CN103628637B - A kind of intelligent construction shading system and method - Google Patents

Abstract

The invention discloses a kind of intelligent construction shading system, comprise Motorized blind blinds (4), driving governor (3), small-sized weather station (1) and master controller (2), it is by the computing to small-sized weather station image data, various working environment residing for each Motorized blind blinds and control overflow are judged in real-time calculating, and according to the duty of the two priority classes Motorized blind blinds preset.The present invention can consider the needs of each change of outside air temperature by sunshade position of building, outdoor wind and rain situation, indoor status of energy consumption and indoor lighting, guaranteeing under safe prerequisite, in effective conditioning chamber, photo-thermal environment, effectively reduces building energy consumption, and improves architecture indoor comfortableness.The invention also discloses a kind of intelligent construction sunshading method.

Description

An intelligent building sunshade system and method

technical field

The invention relates to an intelligent building sunshade system and method.

Background technique

Architectural shading has been widely used, and the important role played by architectural shading in regulating the heat of building solar radiation and the effect of indoor natural lighting has been widely recognized. The "Code for Thermal Design of Civil Buildings" requires that the sun-facing sides of buildings, especially the windows facing east and west, should take effective sun-shading measures; "Design Standards for Energy Conservation of Residential Buildings in Hot Summer and Both Energy-saving Design Standards and Public Building Energy-Saving Design Standards put forward clear requirements for building shading; Green Building Evaluation Standards require effective shading measures, such as adjustable external shading, to adjust the indoor light and heat environment.

At present, fixed external shading and manual curtains are the main building shading products, and electric shading products are gradually becoming popular, but the application of intelligent building shading systems is still relatively small, and the control methods are relatively backward, and the degree of intelligence is not high. Costly. The most commonly used building sunshade intelligent control system on the market now is generally based on one or several groups of sunshade louvers as the basic control unit, and each control unit is equipped with sensors for solar radiation, wind, rain, and sun angle tracking. The number is very large, and the control signals are often transmitted over long distances in the form of switching or analog quantities. The system wiring is complicated, there are many fault points, it is not easy to maintain, and it is easy to be disturbed and the stability is poor. In addition, commonly used intelligent control systems for building shading mainly rely on tracking the trajectory of the sun for adjustment, focusing on energy saving, with little consideration for the comfort of the indoor light and heat environment, and manual intervention is relatively inconvenient.

Contents of the invention

The technical problem to be solved by the present invention is to provide an intelligent building sunshade system, which can effectively reduce building energy consumption and improve building indoor comfort.

Another technical problem to be solved by the present invention is to provide an intelligent building sunshade method.

To solve the problems of the technologies described above, the technical scheme adopted in the present invention is as follows:

An intelligent building sunshade system, comprising:

A plurality of motorized sunshade louvers are respectively installed on various shaded parts of the building;

A drive controller (3), used to drive each electric sunshade louver (4);

It is characterized in that the building sunshade system also includes:

A small weather station, which is generally installed on the roof, is used to collect real-time wind speed, atmospheric temperature and solar radiation intensity at the location of the building;

The main controller is used to respectively control each electric sunshade louver to adjust to the corresponding working state through the drive controller. The main controller is equipped with:

The receiving module receives the wind speed, atmospheric temperature and solar radiation intensity data collected by the small weather station in real time, and collects the air conditioning load data of the building;

The storage module is preset with the longitude and latitude of the location of the building, the safe value of wind speed, the set value of atmospheric temperature, the upper and lower limits of the sum of the horizontal direct solar radiation intensity and the scattered radiation intensity of the sun and sky in the direction of each electric sunshade louver, and the air conditioning load Setting value, the minimum indoor illuminance setting value, the angle of the closed blade as the closed state, and the angle of the optimal lighting blade as the best lighting state;

The basic data calculation module, based on the real-time solar radiation intensity, real-time time and the latitude and longitude of the building location, calculates the solar altitude angle, azimuth angle, and the solar incidence angle, solar horizontal direct radiation intensity, and solar sky scattering in the direction of each electric sunshade louver in real time. radiation intensity;

The optimal sunshade state calculation module calculates the best sunshade blade angles that are closest to the vertical for each electric sunshade louver and the corresponding real-time sun incidence angle, and takes the calculated optimal sunshade blade angle as the best angle of the corresponding electric sunshade louver. shade state;

The indoor illuminance calculation module calculates the indoor illuminance of each electric sunshade louver corresponding to the shading position when it is in the best shading state according to the optimal sunshade blade angle of each electric sunshade louver and the real-time sun and sky scattering radiation intensity in the direction;

The minimum daylighting requirement state calculation module, according to the real-time sun and sky scattering radiation intensity in the direction of each electric sunshade louver, respectively calculates the minimum daylighting blade angle for each electric sunshade louver to meet the minimum indoor illuminance set value, and takes the minimum daylighting blade angle as The minimum daylighting requirements of the corresponding motorized sunshade louvers;

The wind speed control module, when the real-time wind speed is above the wind speed safety value, generates a control command to adjust each electric sunshade louver to the closed state;

Timing control module, when the location of the building is at night time, it generates a control command to adjust each electric sunshade louver to the closed state;

The temperature control module, when the real-time atmospheric temperature is below the set value of the atmospheric temperature, generates a control command to adjust each electric sunshade louver to the best lighting state;

The solar radiation intensity control module, when the sum of the real-time horizontal direct solar radiation intensity and the scattered radiation intensity of the sun and sky in the direction of any electric sunshade louver is below the corresponding lower limit value, it will generate the corresponding electric sunshade louver to adjust to the best lighting state When the sum of the real-time horizontal direct solar radiation intensity and the scattered radiation intensity of the sun and sky in the direction of any electric sunshade louver is above the corresponding upper limit value, a control to adjust the corresponding electric sunshade louver to the best shading state is generated. instruction;

The air-conditioning load control module, when the real-time air-conditioning load is below the set value of the air-conditioning load, generates a control command to adjust each electric sunshade louver to the best lighting state;

Daylighting control module, when any electric sunshade louver is in the best sunshade state and the indoor illuminance of the shaded part is less than the minimum indoor illuminance setting value, it will generate a control command to adjust the corresponding electric sunshade louver to the minimum lighting requirement state, When any electric sunshade louver is in the best sunshade state and the indoor illuminance of the shaded part is above the minimum indoor illuminance setting value, a control command is generated to adjust the electric sunshade louver to the best sunshade state;

Priority control module, setting the priority order of each control module as follows: wind speed control module, timing control module, temperature control module, solar radiation intensity control module, air conditioning load control module and daylighting control module;

The output module receives the control instructions generated by the various control modules, and outputs the simultaneously generated control instructions with the highest priority to the drive controller according to the priority order set by the priority control module.

As an improvement of the present invention, the storage module is also preset with geometric parameters of surrounding buildings, and the optimal sunshade calculation module is also based on the geometric parameters of surrounding buildings and the real-time solar incidence in the direction of each electric sunshade louver. Angle and azimuth angle, judge whether the direct sunlight irradiated on the corresponding electric sunshade louvers is blocked by surrounding buildings, if the judgment result is yes, then take the closed blade angle as the best sunshade state of each electric sunshade louver, if the judgment result is If not, the calculated angle of the sunshade blade is used as the optimal sunshade state of the corresponding electric sunshade louver.

As a preferred embodiment of the present invention, the closing blade angle is 0°, and the optimum daylighting blade angle is 90°.

As an improvement of the present invention, the wind speed control module performs real-time, continuous and uninterrupted calculations, and generates corresponding control instructions when conditions are met, the timing control module, temperature control module, solar radiation intensity control module, The air-conditioning load control module and the daylighting control module synchronously perform calculations at the same time interval, and generate corresponding control instructions when conditions are met, wherein the time interval is 0.25-2 hours.

As an improvement of the present invention, the building sunshade system further includes a remote controller, the drive controller is wirelessly connected to the remote controller, and the remote controller controls the local manual working state of each electric sunshade louver through the drive controller, And the drive controller has the highest priority to execute the control instructions sent by the remote controller.

As an improvement of the present invention, the building sunshade system also includes a mobile phone APP, the main controller is connected to the mobile phone APP through a wireless network, and the mobile phone APP controls the remote manual working state of each electric sunshade louver through the main controller, And the control command sent by the mobile phone APP is second only to the wind speed control module among the priorities set by the priority control module of the main controller.

An intelligent building sunshade method, the steps are as follows:

S1: Install electric sunshade louvers on each shaded part of the building;

S2: The latitude and longitude of the preset building location, wind speed safety value, atmospheric temperature setting value, the upper and lower limit values of the sum of the sun’s horizontal direct radiation intensity and the sun’s and sky’s scattered radiation intensity in the direction of each electric sunshade louver, and air conditioning load setting value, the minimum indoor illuminance setting value, the closed blade angle as the closed state, and the optimal lighting blade angle as the best lighting state;

S3: Collect the air-conditioning load data of the building and the wind speed, atmospheric temperature and solar radiation intensity at the location of the building in real time, and calculate the data used to judge the working environment of each electric sunshade louver in real time, including:

According to the real-time solar radiation intensity, real-time time and the latitude and longitude of the building location, real-time calculation of the solar elevation angle, azimuth angle, and the solar incidence angle, solar horizontal direct radiation intensity, and solar sky scattering radiation intensity in the direction of each electric sunshade louver;

Respectively calculate the optimum sunshade vane angle of each electric sunshade louver and the corresponding real-time sun incidence angle which is closest to the vertical, and use the calculated optimum sunshade vane angle as the best sunshade state of the corresponding electric sunshade louver;

According to the optimal sunshade blade angle of each electric sunshade louver and the real-time sun and sky scattering radiation intensity in the direction, calculate the indoor illuminance of the corresponding shaded parts when each electric sunshade louver is in the best sunshade state;

According to the real-time sun and sky scattering radiation intensity in the direction of each electric sunshade louver, calculate the minimum daylighting blade angle for each electric sunshade louver to meet the minimum indoor illuminance set value, and use the minimum daylighting blade angle as the minimum daylighting of the corresponding electric sunshade louver request status;

S4: Judging the working environment of each electric sunshade louver to realize the control of the working state of the electric sunshade louver, including:

S4-1: Judging the real-time wind speed, when the real-time wind speed is above the wind speed safety value, adjust each electric sunshade louver to the closed state, otherwise, judge the time at the location of the building;

S4-2: When the location of the building is at night time, adjust each electric sunshade louver to the closed state, otherwise, judge the real-time atmospheric temperature;

S4-3: When the real-time atmospheric temperature is below the set value of the atmospheric temperature, adjust each electric sunshade louver to the best lighting state, otherwise, judge the real-time horizontal direct solar radiation intensity and the sun-sky scattered radiation intensity;

S4-4: When the sum of the real-time horizontal direct solar radiation intensity and the scattered radiation intensity of the sun and sky in the direction of any electric sunshade louver is below the corresponding lower limit, adjust the corresponding electric sunshade louver to the best lighting state. When the sum of the real-time horizontal direct solar radiation intensity and the scattered radiation intensity of the sun and sky in the direction of an electric sunshade louver is above the corresponding upper limit, adjust the corresponding electric sunshade louver to the best shading state; otherwise, judge the real-time air conditioning load ;

S4-5: When the real-time air-conditioning load is below the set value of the air-conditioning load, adjust each electric sunshade louver to the best lighting state, otherwise, judge the real-time indoor illuminance;

S4-6: When any electric sunshade louver is in the best shading state and the indoor illuminance of the shaded part is less than the minimum indoor illuminance setting value, the corresponding electric sunshade louver is adjusted to the minimum lighting requirement state, when any one When the electric sunshade louvers are in the best shading state and the indoor illuminance of the shaded parts is above the minimum indoor illuminance setting value, the electric sunshade louvers are adjusted to the best shading state.

As an improvement of the present invention, the geometric parameters of the surrounding buildings are also preset in the step S2, and the geometric parameters of the surrounding buildings and the real-time sun incidence angle and azimuth in the direction of each electric sunshade louver are also used in the step S3. angle, to determine whether the direct sunlight irradiated on the corresponding electric sunshade louvers is blocked by the surrounding buildings, if the judgment result is yes, then take the closed blade angle as the best sunshade state of each electric sunshade louver, if the judgment result is no, then The calculated sunshade blade angle is used as the best sunshade state of the corresponding electric sunshade louvers.

As a preferred embodiment of the present invention, the closing blade angle is 0°, and the optimum daylighting blade angle is 90°.

As an improvement of the present invention, in the step S4, the real-time wind speed is continuously and uninterruptedly judged, and the time of the building location, the real-time atmospheric temperature, the real-time solar horizontal direct radiation intensity and the sun-sky scattered radiation intensity, real-time air conditioning The load and real-time indoor illuminance are judged synchronously at the same time interval, the time interval is 0.25-2h, and the working state of the electric sunshade louvers is controlled accordingly according to the judgment results.

Compared with the prior art, the present invention has the following beneficial effects:

First, the main controller of the present invention judges the working environment of each electric sunshade louver in real time through the calculation of the data collected by the small weather station, and controls the working state of the electric sunshade louver according to the preset priority. Therefore, this The invention can comprehensively consider the changes of outdoor air temperature, outdoor wind and rain conditions, indoor energy consumption conditions and indoor lighting needs of each shaded part of the building, effectively adjust the indoor light and heat environment under the premise of ensuring safety, and effectively reduce building energy consumption. And improve the indoor comfort of the building.

Second, the present invention collects wind speed, atmospheric temperature and solar radiation intensity data at the location of the building through a small weather station. Therefore, compared with the prior art, the number of sensors used in the present invention is greatly reduced, so that the cost of the sunshade system can be effectively reduced. Moreover, the data collected by the small weather station has strong anti-interference ability and high data accuracy, and the reliability of the main controller for the control of electric sunshade louvers is effectively guaranteed;

Description of drawings

Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

Fig. 1 is the system block diagram of intelligent building sunshade system of the present invention;

Fig. 2 is the block flow diagram of the intellectualized building sun-shading method of the present invention.

Detailed ways

As shown in Figure 1, the intelligentized building sunshade system of the present invention comprises:

A plurality of electric sunshade louvers 4 are respectively installed in each sun-shaded part of the building that needs to adopt sunshade louvers;

A drive controller 3, used to drive each electric sunshade shutter 4;

It is characterized in that the building sunshade system also includes:

Small weather station 1, used for real-time collection of wind speed, atmospheric temperature and solar radiation intensity at the location of the building;

The main controller 2 is used to respectively control each electric sunshade louver 4 to adjust to the corresponding working state through the drive controller 3. The main controller 2 is equipped with:

The receiving module receives the wind speed, atmospheric temperature and solar radiation intensity data collected by the small weather station 1 in real time, and collects the air-conditioning load data of the building;

The storage module is preset with the longitude and latitude of the location of the building, the safe value of wind speed, the set value of atmospheric temperature, the upper and lower limits of the sum of the horizontal direct solar radiation intensity and the scattered radiation intensity of the sun and sky in the direction of each electric sunshade louver 4, air conditioner The load setting value, the minimum indoor illuminance setting value, the geometric parameters of the surrounding buildings, the closing blade angle as the closed state, and the optimal lighting blade angle as the optimal lighting state, wherein the above closed state is when the electric sunshade louver 4 is in the Windproof, rainproof and other performance aspects are in the safest state, and the best lighting state is the electric sunshade louver 4, which makes the light transmission area of the sunshade part of the building the largest, that is, the state where the sun scattered light from the sky enters the room most. The present invention adopts the commonly used external sunshade For louvers or inner sunshade louvers, the angle of the above-mentioned closing blades is preferably 0°, so that the louvers remain parallel to the building facade, and the optimal angle of the daylighting blades is 90°, so that the louvers are kept perpendicular to the building facade, while the rest of the above The preset value can be flexibly set according to the sunshade requirements of the building and the surrounding environment.

The basic data calculation module, based on the real-time solar radiation intensity, real-time time and the latitude and longitude of the building location, calculates the solar elevation angle, azimuth angle, and the solar incidence angle in the direction of each electric sunshade louver 4, the solar horizontal direct radiation intensity, and the solar sky Scattered radiation intensity;

The optimal sunshade state calculation module calculates the best sunshade vane angle for each electric sunshade louver 4 and the corresponding real-time sun incident angle which is closest to the vertical, and according to the geometric parameters of the surrounding buildings and the real-time The sun incidence angle and azimuth angle are used to determine whether the direct sunlight irradiated to the corresponding electric sunshade louvers 4 is blocked by surrounding buildings. If the judgment result is yes, then the angle of the closed blades is used as the best sunshade state of each electric sunshade louvers 4, If the judgment result is no, then use the calculated optimal sunshade blade angle as the best sunshade state of the corresponding electric sunshade louver 4; wherein, the best sunshade state is the maximum resistance of the electric sunshade louver 4 to hinder the direct sunlight normal from entering the building room state.

The indoor illuminance calculation module calculates the indoor illuminance of the shaded parts corresponding to each electric sunshade louver 4 when it is in the best sunshade state according to the optimal sunshade blade angle of each electric sunshade louver 4 and the real-time sun and sky scattering radiation intensity in the direction. , where the real-time indoor illuminance is a function of the real-time blade angle and the real-time sun-sky scattered radiation intensity, and the specific function equation can be obtained through on-site testing and fitting;

The minimum daylighting requirement state calculation module, according to the real-time sun and sky scattering radiation intensity in the direction of each electric sunshade louver 4, calculates the minimum daylighting blade angle for each electric sunshade louver 4 to meet the minimum indoor illuminance set value, and uses the minimum daylighting blade angle The angle is used as the minimum lighting requirement state of the corresponding electric sunshade louvers 4; wherein, the minimum lighting requirement state is the state where the electric sunshade louvers 4 make the room meet a certain illuminance standard, and the illuminance standard is determined according to the indoor use of the building, for example, according to "Architectural Lighting Energy-saving Design Standards stipulates that the office illumination standard is 300Lx.

The wind speed control module, when the real-time wind speed is above the wind speed safety value, generates a control command for adjusting each electric sunshade louver 4 to the closed state;

Timing control module, when the location of the building is at night time, it generates a control instruction that adjusts each electric sunshade louver 4 to the closed state;

The temperature control module, when the real-time atmospheric temperature is below the set value of the atmospheric temperature, generates a control command for adjusting each electric sunshade louver 4 to the best lighting state;

The solar radiation intensity control module, when the sum of the real-time horizontal direct solar radiation intensity and the scattered radiation intensity of the sun and the sky in the direction of any electric sunshade louver 4 is below the corresponding lower limit value, the corresponding electric sunshade louver 4 is adjusted to the optimum The control command of the lighting state, when the sum of the real-time horizontal direct solar radiation intensity and the scattered radiation intensity of the sun and sky in the direction of any electric sunshade louver 4 is above the corresponding upper limit value, the corresponding electric sunshade louver 4 is adjusted to the best Control command of sunshade state;

The air-conditioning load control module, when the real-time air-conditioning load is below the set value of the air-conditioning load, generates a control command to adjust each electric sunshade louver 4 to the best lighting state;

Daylighting control module, when any electric sunshade louver 4 is in the best sunshade state and the indoor illuminance of the shaded part is less than the minimum indoor illuminance setting value, it will generate the control to adjust the corresponding electric sunshade louver 4 to the minimum lighting requirement state Instructions, when any one of the electric sunshade louvers 4 is in the best sunshade state and the indoor illuminance of the corresponding sunshade part is above the minimum indoor illuminance setting value, a control instruction for adjusting the electric sunshade louvers 4 to the best sunshade state is generated;

Priority control module, setting the priority order of each control module as follows: wind speed control module, timing control module, temperature control module, solar radiation intensity control module, air conditioning load control module and daylighting control module;

The output module receives the control instructions generated by each control module, and outputs the simultaneously generated control instructions with the highest priority to the drive controller 3 according to the priority order set by the priority control module.

Among them, the wind speed control module performs real-time, continuous and uninterrupted calculations, and generates corresponding control instructions when the conditions are met. The time interval is calculated, and corresponding control instructions are generated when the conditions are met, wherein the time interval is 0.25-2h.

In addition, the present invention can also control the local manual working state of each electric sunshade louver 4 by adding a remote controller 5 and selecting a drive controller 3 with unlimited signal receiving function, and the drive controller 3 has the highest priority. Execute the control instruction sent by the remote controller 5 . In the present invention, the remote control of the electric sunshade louvers 4 can also be realized by sending instructions to the drive controller 3 via the main controller 2 through a network communication method such as a mobile phone APP.

Therefore, the present invention can comprehensively consider the change of outdoor air temperature, outdoor wind and rain conditions, indoor energy consumption conditions and indoor lighting needs of each shaded part of the building, and effectively adjust the indoor light and heat environment under the premise of ensuring safety, such as when it is sunny in summer Realize the best shading, the best lighting when it is cloudy, and the maximum radiant heat indoors in winter, etc., effectively reducing building energy consumption and improving building indoor comfort.

As shown in Figure 2, intelligent building sunshade method of the present invention, the steps are as follows:

S1: Install electric sunshade louvers 4 on each shaded part of the building;

S2: Preset the latitude and longitude of the location of the building, the safe value of wind speed, the setting value of atmospheric temperature, the upper and lower limits of the sum of the horizontal direct solar radiation intensity and the scattered radiation intensity of the sun and sky in the direction of each electric sunshade louver 4, and the air conditioning load setting Fixed value, the minimum indoor illuminance setting value, the geometric parameters of surrounding buildings, the closed blade angle as the closed state, and the optimal lighting blade angle as the best lighting state; among them, the preferred closing blade angle is 0°, the best lighting The blade angle is 90°.

S3: Collect the air-conditioning load data of the building and the wind speed, atmospheric temperature and solar radiation intensity at the location of the building in real time, and calculate the data used to judge the working environment of each electric sunshade louver 4 in real time, including:

According to the real-time solar radiation intensity, real-time time and the latitude and longitude of the location of the building, real-time calculation of the solar elevation angle, azimuth angle, and the solar incidence angle, the solar horizontal direct radiation intensity, and the solar sky scattered radiation intensity in the direction of each electric sunshade louver 4;

Calculate respectively each electric sunshade louver 4 and the corresponding real-time sun incidence angle closest to the optimum sunshade blade angle of vertical, and according to the real-time sun incidence angle and azimuth angle of the surrounding building geometric parameters and the direction of each electric sunshade louver 4, Judging whether the direct sunlight that irradiates the corresponding electric sunshade louvers 4 is blocked by surrounding buildings, if the judgment result is yes, then the closed blade angle is used as the best sunshade state of each electric sunshade shutter 4, if the judgment result is no, then Taking the calculated optimal sunshade blade angle as the best sunshade state of the corresponding electric sunshade shutter 4;

According to the optimal sunshade vane angle of each electric sunshade louver 4 and the real-time sun-sky scattering radiation intensity in its direction, calculate the indoor illuminance of the corresponding shaded parts when each electric sunshade louver 4 is in the best sunshade state;

According to the real-time sun and sky scattering radiation intensity in the direction of each electric sunshade louver 4, calculate the minimum daylighting blade angle for each electric sunshade louver 4 to meet the minimum indoor illuminance set value, and use the minimum daylighting blade angle as the corresponding electric sunshade louver 4 minimum daylighting requirement status;

S4: Judging the working environment of each electric sunshade louver 4, so as to realize the control of the working state of the electric sunshade louver 4, including in turn:

S4-1: Judging the real-time wind speed, when the real-time wind speed is above the wind speed safety value, adjust each electric sunshade louver 4 to the closed state, otherwise, judge the time at the location of the building;

S4-2: When the location of the building is at night time, adjust each electric sunshade louver 4 to the closed state, otherwise, judge the real-time atmospheric temperature;

S4-3: When the real-time atmospheric temperature is below the set value of the atmospheric temperature, adjust each electric sunshade louver 4 to the best lighting state, otherwise, judge the real-time horizontal direct solar radiation intensity and the sun-sky scattered radiation intensity;

S4-4: When the sum of the real-time horizontal direct solar radiation intensity and the scattered radiation intensity of the sun and sky in the direction of any electric sunshade louver 4 is below the corresponding lower limit value, adjust the corresponding electric sunshade louver 4 to the best lighting state, When the sum of the real-time horizontal direct solar radiation intensity and the scattered radiation intensity of the sun and sky in the direction of any electric sunshade louver 4 is above the corresponding upper limit, adjust the corresponding electric sunshade 4 to the best sunshade state; otherwise, the real-time Air conditioning load is judged;

S4-5: When the real-time air-conditioning load is below the set value of the air-conditioning load, adjust each electric sunshade louver 4 to the best lighting state, otherwise, judge the real-time indoor illuminance;

S4-6: When any electric sunshade louver 4 is in the best sunshade state and the indoor illuminance of the shaded part is less than the minimum indoor illuminance setting value, the corresponding electric sunshade louver 4 is adjusted to the minimum lighting requirement state, when When any electric sunshade louver 4 is in the best sunshade state and the indoor illuminance of the shaded part is above the minimum indoor illuminance setting value, the electric sunshade louver 4 is adjusted to the best sunshade state.

Among them, in the above step S4, the real-time wind speed is continuously and uninterruptedly judged, and the time at the location of the building, real-time atmospheric temperature, real-time solar horizontal direct radiation intensity and sun-sky scattered radiation intensity, real-time air-conditioning load and real-time indoor illuminance are synchronized. Judgments are made at the same time interval, and the time interval is 0.25 to 2 hours, and the working state of the electric sunshade louvers 4 is controlled accordingly according to the judgment results.

In addition, the resident can also manually control the working state of each electric sunshade louver 4 through the remote controller 5 .

The present invention is not limited to the above-mentioned specific embodiments. According to the above-mentioned content, according to the common technical knowledge and conventional means in this field, without departing from the above-mentioned basic technical idea of the present invention, the present invention can also make other equivalents in various forms. Amendments, substitutions or alterations all fall within the protection scope of the present invention.

Claims (10)

1. an intelligent construction shading system, comprising:

Multiple Motorized blind blinds (4), each being arranged on building is respectively by sunshade position;

Driving governor (3), for driving each Motorized blind blinds (4) described;

It is characterized in that described architectural shading system also comprises:

Small-sized weather station (1), for the Real-time Collection building wind speed of position, atmospheric temperature and intensity of solar radiation;

Master controller (2), adjust to corresponding duty for being controlled each Motorized blind blinds (4) respectively by described driving governor (3), this master controller (2) is provided with:

Receiver module, the wind speed that the small-sized weather station of real-time reception (1) collects, atmospheric temperature and intensity of solar radiation data, and the air conditioner load data gathering building;

Memory module, be preset with building position longitude and latitude, wind speed safety value, atmospheric temperature setting value, the solar water in each Motorized blind blinds (4) direction, place is straight penetrates the upper limit value and lower limit value of radiation intensity and sun sky radiation intensity sum, air conditioner load setting value, minimum indoor illumination intensity setting value, as the closedown blade angle of closed condition, and as the best daylighting blade angle of best daylighting state;

Basic data computing module, according to real-time intensity of solar radiation, real-time time and building position longitude and latitude, calculate sun altitude, azimuth in real time, and the solar incident angle in each Motorized blind blinds (4) direction, place, solar water is straight penetrates radiation intensity, sun sky radiation intensity;

Best sunshade state computation module, calculate each Motorized blind blinds (4) respectively with corresponding real-time solar incident angle closest to vertical best sunshade blade angle, and the best sunshade state using the best sunshade blade angle calculated as corresponding Motorized blind blinds (4);

Indoor illumination intensity computing module, according to the best sunshade blade angle of each Motorized blind blinds (4) and the real-time sun sky radiation intensity in direction, place, calculate the corresponding indoor illumination intensity by sunshade position when each Motorized blind blinds (4) is in best sunshade state respectively;

Minimum daylighting claimed condition computing module, according to the real-time sun sky radiation intensity in each Motorized blind blinds (4) direction, place, calculate the minimum daylighting blade angle that each Motorized blind blinds (4) meets minimum indoor illumination intensity setting value respectively, and the minimum daylighting claimed condition using this minimum daylighting blade angle as corresponding Motorized blind blinds (4);

Blast velocity control module, when real-time wind speed is more than described wind speed safety value, produces the control instruction each Motorized blind blinds (4) being adjusted to closed condition;

Timing control module, when building position and being in evening hours, produces the control instruction each Motorized blind blinds (4) being adjusted to closed condition;

Temperature control modules, when Real-Time Atmospheric temperature is below described atmospheric temperature setting value, produces the control instruction each Motorized blind blinds (4) being adjusted to best daylighting state;

Intensity of solar radiation control module, when the real-time solar water in any one Motorized blind blinds (4) direction, place is straight penetrate radiation intensity to sun sky radiation intensity sum below corresponding lower limit time, produce the control instruction corresponding Motorized blind blinds (4) being adjusted to best daylighting state, when the real-time solar water in any one Motorized blind blinds (4) direction, place is straight penetrate radiation intensity to sun sky radiation intensity sum more than corresponding higher limit time, produce the control instruction corresponding Motorized blind blinds (4) being adjusted to best sunshade state,

Air conditioner load control module, when real-time air conditioner load is below described air conditioner load setting value, produces the control instruction each Motorized blind blinds (4) being adjusted to best daylighting state;

Daylighting control module, when any one Motorized blind blinds (4) is in best sunshade state to when being less than minimum indoor illumination intensity setting value by the indoor illumination intensity at sunshade position during correspondence, produce the control instruction corresponding Motorized blind blinds (4) being adjusted to minimum daylighting claimed condition, when any one Motorized blind blinds (4) is in best sunshade state to when being subject to the indoor illumination intensity at sunshade position during correspondence more than minimum indoor illumination intensity setting value, produce control instruction Motorized blind blinds (4) being adjusted to best sunshade state;

Priority control module, the priority order of setting each control module described is: blast velocity control module, timing control module, temperature control modules, intensity of solar radiation control module, air conditioner load control module and daylighting control module;

Output module, receive the control instruction that each control module described produces, the priority order arranged according to priority control module, exports to described driving governor (3) by control instruction the highest for the priority produced simultaneously.

2. intelligent construction shading system according to claim 1, it is characterized in that: described memory module is also preset with surrounding building geometric parameter, described best sunshade state computation module is also according to the real-time solar incident angle in surrounding building geometric parameter and each Motorized blind blinds (4) direction, place, azimuth, judge whether the direct sunlight being irradiated to corresponding Motorized blind blinds (4) is subject to blocking of surrounding building, if judged result is yes, then will close the best sunshade state of blade angle as each Motorized blind blinds (4), if judged result is no, best sunshade state then using the described sunshade blade angle calculated as corresponding Motorized blind blinds (4).

3. intelligent construction shading system according to claim 1, is characterized in that: described closedown blade angle is 0 °, and described best daylighting blade angle is 90 °.

4. the intelligent construction shading system according to claims 1 to 3 any one, it is characterized in that: described blast velocity control module calculates in real time, uninterruptedly, corresponding control instruction is produced when reaching condition, described timing control module, temperature control modules, intensity of solar radiation control module, air conditioner load control module and synchronous the calculating at the same time of daylighting control module, and produce corresponding control instruction when reaching condition respectively, wherein, the described time interval is 0.25 ~ 2h.

5. intelligent construction shading system according to claim 4, it is characterized in that: described architectural shading system also comprises remote controller (5), described driving governor (3) is connected with remote controller (5) radio communication, remote controller (5) carries out local manual work state to each Motorized blind blinds (4) respectively by driving governor (3) and controls, and described driving governor (3) override performs the control instruction that remote controller (5) sends.

6. intelligent construction shading system according to claim 5, it is characterized in that: described architectural shading system also comprises mobile phone A PP(6), described master controller (2) and mobile phone A PP(6) be connected by wireless network, mobile phone A PP(6) by master controller (2), remote manual working state control is carried out to each Motorized blind blinds (4), and mobile phone A PP(6) be only second to blast velocity control module in the middle of the control instruction that the sends priority set by priority control module in described master controller (2).

7. an intelligent construction sunshading method, step is as follows:

S1: install Motorized blind blinds (4) respectively by sunshade position at each building;

S2: preset building position longitude and latitude, wind speed safety value, atmospheric temperature setting value, the solar water in each Motorized blind blinds (4) direction, place is straight penetrates the upper limit value and lower limit value of radiation intensity and sun sky radiation intensity sum, air conditioner load setting value, minimum indoor illumination intensity setting value, as the closedown blade angle of closed condition, and as the best daylighting blade angle of best daylighting state;

S3: the air conditioner load data of Real-time Collection building and the wind speed of building position, atmospheric temperature and intensity of solar radiation, and calculate the data for judging each Motorized blind blinds (4) working environment in real time, comprising:

According to real-time intensity of solar radiation, real-time time and building position longitude and latitude, calculate sun altitude, azimuth in real time, and the solar incident angle in each Motorized blind blinds (4) direction, place, solar water is straight penetrates radiation intensity, sun sky radiation intensity;

Calculate each Motorized blind blinds (4) respectively with corresponding real-time solar incident angle closest to vertical best sunshade blade angle, the best sunshade state using the best sunshade blade angle calculated as corresponding Motorized blind blinds (4);

According to the best sunshade blade angle of each Motorized blind blinds (4) and the real-time sun sky radiation intensity in direction, place, calculate the corresponding indoor illumination intensity by sunshade position when each Motorized blind blinds (4) is in best sunshade state respectively;

According to the real-time sun sky radiation intensity in each Motorized blind blinds (4) direction, place, calculate the minimum daylighting blade angle that each Motorized blind blinds (4) meets minimum indoor illumination intensity setting value respectively, and the minimum daylighting claimed condition using this minimum daylighting blade angle as corresponding Motorized blind blinds (4);

S4: the working environment of each Motorized blind blinds (4) is judged, to realize, to the control of Motorized blind blinds (4) duty, comprising successively:

S4-1: judge real-time wind speed, when real-time wind speed is more than described wind speed safety value, adjusts to closed condition by each Motorized blind blinds (4), otherwise, the time of building position is judged;

S4-2: when building position and being in evening hours, each Motorized blind blinds (4) is adjusted to closed condition, otherwise, Real-Time Atmospheric temperature is judged;

S4-3: when Real-Time Atmospheric temperature is below described atmospheric temperature setting value, adjusts to best daylighting state by each Motorized blind blinds (4), otherwise, penetrate radiation intensity and sun sky radiation intensity judges to real-time solar water is straight;

S4-4: when the real-time solar water in any one Motorized blind blinds (4) direction, place is straight penetrate radiation intensity to sun sky radiation intensity sum below corresponding lower limit time, corresponding Motorized blind blinds (4) is adjusted to best daylighting state, when the real-time solar water in any one Motorized blind blinds (4) direction, place is straight penetrate radiation intensity to sun sky radiation intensity sum more than corresponding higher limit time, corresponding Motorized blind blinds (4) is adjusted to best sunshade state, otherwise, real-time air conditioner load is judged;

S4-5: when real-time air conditioner load is below described air conditioner load setting value, adjusts to best daylighting state by each Motorized blind blinds (4), otherwise, real-time indoor illumination intensity is judged;

S4-6: when any one Motorized blind blinds (4) is in best sunshade state to when being less than minimum indoor illumination intensity setting value by the indoor illumination intensity at sunshade position during correspondence, produce and corresponding Motorized blind blinds (4) is adjusted to minimum daylighting claimed condition, when any one Motorized blind blinds (4) is in best sunshade state to when being subject to the indoor illumination intensity at sunshade position during correspondence more than minimum indoor illumination intensity setting value, produces and Motorized blind blinds (4) is adjusted to best sunshade state.

8. intelligent construction sunshading method according to claim 7, it is characterized in that: in described step S2, be also preset with surrounding building geometric parameter, the real-time solar incident angle according to surrounding building geometric parameter and each Motorized blind blinds (4) direction, place is gone back in described step S3, azimuth, judge whether the direct sunlight being irradiated to corresponding Motorized blind blinds (4) is subject to blocking of surrounding building, if judged result is yes, then will close the best sunshade state of blade angle as each Motorized blind blinds (4), if judged result is no, best sunshade state then using the described sunshade blade angle calculated as corresponding Motorized blind blinds (4).

9. intelligent construction sunshading method according to claim 7, is characterized in that: described closedown blade angle is 0 °, and described best daylighting blade angle is 90 °.

10. the intelligent construction sunshading method according to claim 7 to 9 any one, it is characterized in that: in described step S4, continuous continual judgement is carried out to real-time wind speed, to building time of position, Real-Time Atmospheric temperature, in real time solar water are straight penetrates radiation intensity and sun sky radiation intensity, in real time air conditioner load and indoor illumination intensity is then synchronous in real time judges at the same time, this time interval is 0.25 ~ 2h, controls the duty of Motorized blind blinds (4) according to judged result accordingly.