CN105222017A - Mouth lamp - Google Patents

Abstract

The invention discloses a kind of mouth lamp, first LED is arranged on lamp body by metal hose, metal hose one end is electrically connected with the first LED, the other end is connected with the rotating shaft of drive device through lamp body, in radius of curvature and the arc LED of arc LED form, the ratio of radius of a circle is 3: 1, also comprise a SP3T switch, controller and illuminance sensor, first circuit in series of SP3T switch has the first LED, second circuit in series of SP3T switch has the 3rd LED, 3rd circuit in series of SP3T switch has the second LED and the 4th LED, illuminance sensor is arranged on hand on cutter, the input of controller is connected with illuminance sensor, output is connected with motor with SP3T switch.Automatically can carry out the adjustment of brightness of illumination and angle, good heat dissipation effect, colour rendering is high, and detachable use.

Description

Dental light

technical field

The invention relates to the field of medical equipment, in particular to a dental cavity light.

Background technique

A dental light is an auxiliary device commonly used in dental treatment to illuminate the area of a patient's mouth. In order to enable the doctor to observe the patient's teeth clearly and make an accurate judgment, it is necessary to provide sufficient illumination in the patient's oral area. , the illuminance of the patient's eye area should be less than the specified value.

At present, the existing LED dental light does not have the function of adjusting the irradiation range, and can only rotate the light body of the dental light repeatedly to make the lighting area meet the requirements of the operation. At the same time, the adjustment of the lamp position requires manual intervention, which increases the risk of infection in the process. At the same time, the lamp itself is not energy-saving, generates too much heat, and greatly consumes the cooling energy of the air conditioner. After the air under the lamp body is heated, it is easy to convect, resulting in light distortion; It is beneficial to distinguish the color difference between human blood and other tissues; it adopts an overall design and cannot be disassembled for use, which has great limitations.

Contents of the invention

In order to solve the above problems, the present invention provides a dental light, which can automatically adjust the brightness and angle of lighting, has good heat dissipation effect, high color rendering, and can be disassembled for use.

In order to achieve the above object, the technical scheme that the present invention takes is:

The oral light includes a light body and a suspender. The edge of the light body is provided with several first LED lights. The first LED light is divided into ten arc-shaped LED light strips with the center of the light body as the center of the circle. The first LED light strips are evenly distributed. The LED lamp is installed on the lamp body through a metal hose. One end of the metal hose is electrically connected to the first LED lamp, and the other end passes through the lamp body and is connected to a rotating shaft with a power device. The rotating shaft with the power device is installed in the lamp holder. It is connected to the lamp holder through the adjustment rod, and the two ends of the adjustment rod are respectively connected to the front and rear connecting rods in a articulated manner. A motor is installed on one of the joint connections, and the motor is connected to the other joint connection through a belt. The motor drives a joint. While the connection rotates, the belt drives another joint connection to rotate in the same direction and speed. The ratio of the curvature radius of the arc-shaped LED strip to the radius of the inner circle formed by the arc-shaped LED strip is 3:1. The arc-shaped LED light The angle A between the inner circle formed by the belt and the inner circle is 20°-30°, and a ring-shaped second LED lamp is arranged on the outside of each first LED lamp, and the power of the second LED lamp is greater than the power of the first LED lamp; The inner side of the arc-shaped LED light strip is provided with a third LED lamp, and the third LED lamp is evenly distributed with the center of the lamp body as a circle, and the outer side of the third LED lamp is provided with a ring-shaped fourth LED lamp, and the power of the fourth LED lamp Greater than the power of the third LED lamp, the outside of the third LED lamp and the fourth LED lamp is provided with a light-transmitting cover, and the light-transmitting wavelength range of the light-transmitting cover is 510nm to 670nm; it also includes a single-pole three-throw switch, a controller and an illuminance Sensor, the first circuit of the single-pole three-throw switch is connected in series with the first LED light, the second circuit of the single-pole three-throw switch is connected in series with the third LED light, and the third circuit of the single-pole three-throw switch is connected in series with the second LED light and For the fourth LED light, the illuminance sensor is installed on the hand knife, the input end of the controller is connected with the illuminance sensor, the output end is connected with the single-pole three-throw switch and the motor, the first LED light, the second LED light, the third LED light and The tube of the fourth LED lamp is provided with a cylindrical metal cover, and the cylindrical metal cover is short-circuited with an electrode in the tube.

Preferably, the controller is a single-chip microcomputer.

Preferably, heat dissipation fins are provided at the tails of the lamp tubes of the first LED lamp, the second LED lamp, the third LED lamp and the fourth LED lamp.

Preferably, an inductive switch is provided on the rotating shaft of the driving device, and the inductive switch is wirelessly connected to a remote controller.

Preferably, the lamp body is prepared from the following raw materials in parts by weight:

30-80 parts of PC resin, 19-60 parts of ABS resin, 0.5-5 parts of perfluoroalkyl acrylic additives, 5-25 parts of heat-resistant agent, 2-6 parts of nano-silica, tetrabromobisphenol A1- 3 parts, 3-5 parts of decabromodiphenylethane, 5-10 parts of brominated epoxy, 21-49 parts of N-(β, β-dichlorovinyl) salicylamide, 11-23 parts of isophorone , 41-63 parts of polyoxyethylene, 5-10 parts of ethylene, 52-87 parts of alkylbenzenesulfonic acid, 40-60 parts of acetic acid, 20-40 parts of hydrogen peroxide, 0.1-1 part of antioxidant, 0.1 part of lubricant -1 copy

Preferably, the antioxidant is one or a mixture of hindered phenolic compounds and phosphite compounds; the lubricant is silicone oil, white mineral oil, fatty acid amide, stearate, paraffin, polyester One or more mixtures of ethylene wax or ethylene bisstearamide.

Preferably, the inner walls of the first LED lamp, the second LED lamp, the third LED lamp and the fourth LED lamp are all provided with an anti-reflection film, and the thickness of the anti-reflection film gradually becomes thinner from the edge to the center.

Preferably, the heat dissipation fins are all hollow cubic structures, and a low-temperature water cooling circulation device is connected through a water inlet pipe and an outlet pipe. Connected to the water inlet pipe.

The present invention has the following beneficial effects:

Automatically adjust the position according to the detected signal, without manual adjustment by the doctor, so that the operating doctor does not need to send instructions to let the assistant adjust the lamp body or adjust the lamp body by himself, which reduces the operation steps, increases the doctor's operation efficiency, and keeps the doctor's mind calm during the operation , Reduce surgical errors, and also reduce the risk of infection. At the same time, an anti-reflection film is installed on the inner side, which can increase the light transmittance and improve the lighting brightness. The anti-reflection coating is designed to gradually become thinner from the edge to the center, which can produce the effect of a concave lens, scatter the light, increase the luminous angle, and make the luminous angle greater than 270°. The first LED lamp and the lamp body can be used separately. It greatly facilitates the use of doctors. Through the design of the low-temperature water circulation device, the heat dissipation performance of the lamp body is greatly improved. The overall lamp body is made of antibacterial, high-toughness, and flame-retardant materials, which prolongs its service life; the installation position of the first LED lamp and The arrangement can reduce 60% of the lighting blind area, and the light-transmitting cover outside the third LED light only transmits yellow light and red light, and the light is not dazzling. When high-brightness lighting is required, the single-pole three-throw switch is adjusted to the third circuit, so that the high-power second LED lamp and the fourth LED lamp are lit at the same time to provide sufficient illumination.

Description of drawings

FIG. 1 is a schematic diagram of the overall structure of a dental light according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a lamp body in an embodiment of the present invention.

Fig. 3 is a schematic diagram of an LED lamp tube in an embodiment of the present invention.

Fig. 4 is a schematic diagram of the electrical connection in the embodiment of the present invention.

detailed description

In order to make the objects and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

As shown in Figures 1-4, the embodiment of the present invention provides a dental light, which includes a light body 1 and a suspender 17. Several first LED lights 2 are arranged on the edge of the light body 1. The first LED lights 2 Taking the center of the lamp body 1 as the center of the circle, it is divided into ten arc-shaped LED lamp strips, which are evenly distributed. The first LED lamp 2 is installed on the lamp body 1 through a metal hose 11, and one end of the metal hose 11 is electrically connected to the first LED lamp 2. , the other end passes through the lamp body 1 and is connected with a rotating shaft 12 with a power device, the rotating shaft 12 with a power device is installed in the lamp holder 18, the suspender 17 is connected with the lamp holder 18 through the adjusting rod 14, and the two ends of the adjusting rod 14 are connected with the lamp holder 18 respectively. The front and rear connecting rods are connected in joints, and one of the joints is provided with a motor 16, and the motor 16 is connected to the other joint through a belt 15. When driving one joint to rotate, the motor 16 drives the other joint through the belt 15 The connection rotates in the same direction and speed, the ratio of the radius of curvature of the arc-shaped LED strip to the radius of the inner circle formed by the arc-shaped LED strip is 3:1, and the angle A between the arc-shaped LED strip and the inner circle formed by it 20°-30°, a ring-shaped second LED lamp 3 is arranged on the outside of each first LED lamp 2, and the power of the second LED lamp 3 is greater than the power of the first LED lamp 1; The inner side is provided with a third LED lamp 4, and the third LED lamp 4 is evenly distributed with the center of the lamp body 1 as a circle. The outer side of the third LED lamp 4 is provided with a ring-shaped fourth LED lamp 5. The power of the fourth LED lamp 5 Greater than the power of the third LED lamp 4, the outside of the third LED lamp 4 and the fourth LED lamp 5 is provided with a light-transmitting cover 6, and the light-transmitting wavelength range of the light-transmitting cover 6 is 510nm-670nm; a single-pole three-throw switch is also included 7. The controller and the illuminance sensor, the first circuit of the single-pole three-throw switch 7 is connected in series with the first LED light 2, the second circuit of the single-pole three-throw switch 7 is connected in series with the third LED light 4, and the circuit of the single-pole three-throw switch 7 is connected in series. The third circuit has a second LED lamp 3 and a fourth LED lamp 5 in series, the illuminance sensor is installed on the hand knife, the input end of the controller is connected with the illuminance sensor, and the output end is connected with the single-pole three-throw switch 7 and the motor 16, The lamp tubes of the first LED lamp 2, the second LED lamp 3, the third LED lamp 4 and the fourth LED lamp 5 are provided with a cylindrical metal cover 8, and the cylindrical metal cover 8 is connected to an electrode 9 in the lamp tube. Short.

The controller is a single-chip microcomputer.

Radiating fins 10 are provided at the tails of the lamp tubes of the first LED lamp 2 , the second LED lamp 3 , the third LED lamp 4 and the fourth LED lamp 5 .

An inductive switch is arranged on the rotating shaft 12 of the power unit, and the inductive switch is connected with a remote controller wirelessly.

The lamp body 1 is prepared from the following raw materials in parts by weight:

30-80 parts of PC resin, 19-60 parts of ABS resin, 0.5-5 parts of perfluoroalkyl acrylic additives, 5-25 parts of heat-resistant agent, 2-6 parts of nano-silica, tetrabromobisphenol A1- 3 parts, 3-5 parts of decabromodiphenylethane, 5-10 parts of brominated epoxy, 21-49 parts of N-(β, β-dichlorovinyl) salicylamide, 11-23 parts of isophorone , 41-63 parts of polyoxyethylene, 5-10 parts of ethylene, 52-87 parts of alkylbenzenesulfonic acid, 40-60 parts of acetic acid, 20-40 parts of hydrogen peroxide, 0.1-1 part of antioxidant, 0.1 part of lubricant -1 copy

The antioxidant is one or a mixture of hindered phenolic compounds and phosphite compounds; the lubricant is silicone oil, white mineral oil, fatty acid amide, stearate, paraffin wax, polyethylene wax or One or more mixtures of ethylene bis stearamide.

The inner walls of the first LED lamp 2 , the second LED lamp 3 , the third LED lamp 4 and the fourth LED lamp 5 are all provided with an anti-reflection film, and the thickness of the anti-reflection film gradually becomes thinner from the edge to the center.

The radiating fins 10 are all hollow cubic structures, connected with a low-temperature water cooling circulation device through the water inlet pipe and the water outlet pipe, the water inlet end of the low-temperature water cooling circulation device is connected with the water outlet pipe, and the water outlet end of the low-temperature water cooling circulation device is connected with the inlet pipe. Water pipes are connected.

An anti-corrosion layer 13 is coated on the inner wall of the lamp body 1 .

This specific implementation automatically adjusts the position according to the detected signal, without manual adjustment by the doctor, so that the operating doctor does not need to send instructions to let the assistant adjust the lamp body or adjust the lamp body by himself, which reduces the operation steps, increases the doctor's operation efficiency, and keeps the doctor in the operation process. The center is calm, reduces surgical errors, and also reduces the risk of infection. At the same time, an anti-reflection film is installed on the inner side, which can increase light transmittance and improve lighting brightness. The anti-reflection coating is designed to gradually become thinner from the edge to the center, which can produce the effect of a concave lens, scatter the light, increase the luminous angle, and make the luminous angle greater than 270°. The first LED lamp and the lamp body can be used separately. It greatly facilitates the use of doctors. Through the design of the low-temperature water circulation device, the heat dissipation performance of the lamp body is greatly improved. The overall lamp body is made of antibacterial, high-toughness, and flame-retardant materials, which prolongs its service life; the installation position of the first LED lamp and The arrangement can reduce 60% of the lighting blind area, and the light-transmitting cover outside the third LED light only transmits yellow light and red light, and the light is not dazzling. When high-brightness lighting is required, the single-pole three-throw switch is adjusted to the third circuit, so that the high-power second LED lamp and the fourth LED lamp are lit at the same time to provide sufficient illumination.

The above are only preferred embodiments of the present invention, and it should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present invention, some improvements and modifications can also be made, and these improvements and modifications should also be regarded as protection scope of the present invention.

Claims (8)

1. mouth lamp, comprise lamp body (1) and suspension rod (17), it is characterized in that, the edge of described lamp body (1) is provided with several the first LED (2), first LED (2) is that the center of circle is divided into ten arc LED to be uniformly distributed with the center of lamp body (1), first LED (2) is arranged on lamp body (1) by metal hose (11), metal hose (11) one end is electrically connected with the first LED (2), the other end is connected with the rotating shaft (12) of drive device through lamp body (1), drive device rotating shaft (12) is arranged in lamp socket (18), suspension rod (17) is connected with lamp socket (18) by adjusting rod (14), the two ends of adjusting rod (14) are connected with articulated manner with the connecting rod of front and back respectively, a joint connection is wherein provided with motor (16), motor (16) is connected to another joint by belt (15) and connects, motor (16) drives another joint to connect with identical direction and speed rotation by belt (15) while driving joint connects rotation, in radius of curvature and the arc LED of arc LED form, the ratio of radius of a circle is 3: 1, the included angle A of the inner circle of arc LED and its composition is 20 °-30 °, second LED (3) of annular is had in the arranged outside of each first LED (2), the power of the second LED (3) is greater than the power of the first LED (1), the 3rd LED (4) is provided with in the inner side of arc LED, 3rd LED (4) is that circle is uniformly distributed with the center of lamp body (1), the arranged outside of the 3rd LED (4) has the 4th LED (5) of annular, the power of the 4th LED (5) is greater than the power of the 3rd LED (4), the arranged outside of the 3rd LED (4) and the 4th LED (5) has diffuser (6), and the transparent wavelength range of diffuser (6) is 510nm ~ 670nm, also comprise a SP3T switch (7), controller and illuminance sensor, first circuit in series of SP3T switch (7) has the first LED (2), second circuit in series of SP3T switch (7) has the 3rd LED (4), 3rd circuit in series of SP3T switch (7) has the second LED (3) and the 4th LED (5), illuminance sensor is arranged on hand on cutter, the input of controller is connected with illuminance sensor, output is connected with motor (16) with SP3T switch (7), first LED (2), second LED (3), cylindrical metal cover (8) is provided with in the fluorescent tube of the 3rd LED (4) and the 4th LED (5), cylindrical metal cover (8) and electrode (9) short circuit in fluorescent tube.

2. mouth lamp according to claim 1, is characterized in that, described controller is single-chip microcomputer.

3. mouth lamp according to claim 1, it is characterized in that, the fluorescent tube afterbody of described first LED (2), the second LED (3), the 3rd LED (4) and the 4th LED (5) is provided with radiating fin (10).

4. mouth lamp according to claim 1, is characterized in that, described drive device rotating shaft (12) is provided with inductive switch, and inductive switch is by being wirelessly connected with remote controller.

5. mouth lamp according to claim 1, it is characterized in that, described lamp body (1) is prepared from by the raw material of following weight portion: PC resin 30 ~ 80 parts, ABS resin 19 ~ 60 parts, acrylic acid series additive 0.5-5 part of perfluoroalkyl, heat-resistant agent 5-25 part, nano silicon 2-6 part, tetrabromobisphenol A 1-3 part, TDE 3-5 part, brominated epoxy 5-10 part, N-(β, β-dichloroethylene) salicylamide 21 ~ 49 parts, different Buddhist ketone 11 ~ 23 parts, polyoxyethylene 41 ~ 63 parts, ethene 5 ~ 10 parts, alkyl benzene sulphonate 52 ~ 87 parts, acetic acid 40 ~ 60 parts, hydrogen peroxide 20 ~ 40 parts, antioxidant 0.1-1 part, lubricant 0.1-1 part.

6. mouth lamp according to claim 5, is characterized in that, described antioxidant is one or both mixtures in hindered phenol compound, bi-ester of phosphite; Described lubricant is the mixture of one or more in silicone oil, White Mineral Oil, fatty acid amide, stearate, paraffin, Tissuemat E or ethylene bis stearamide.

7. mouth lamp according to claim 1, it is characterized in that, the inwall of described first LED (2), the second LED (3), the 3rd LED (4) and the 4th LED (5) is provided with anti-reflection film, and the thickness of anti-reflection film is thinning gradually from edge to center.

8. mouth lamp according to claim 3, it is characterized in that, described radiating fin (10) is hollow cubic body structure, water at low temperature cooling-cycle device is connected with by water inlet pipe and outlet pipe, the water inlet end of water at low temperature cooling-cycle device is connected with outlet pipe, and the water side of water at low temperature cooling-cycle device is connected with water inlet pipe.