TWI403044B - Extended cable with wireless timer function - Google Patents

Description

Extension cord with wireless timing function

The invention relates to an improved structure of an extension cord socket, in particular to an extension cord socket having a wireless transmission timing function, and can also directly input a timing state by an operation module on an extension cord when the extension cord socket cannot be connected to the remote device. Or restart the extension cord's power switch to restore power.

Generally at home or in an office building, electrical appliances are plugged into a power outlet by plugs. When electrical appliances are not used, the power of electrical appliances is directly turned off. However, many electrical appliances turn off their power, but electrical appliances. In the standby state where the power is off, the internal electronic components will continue to consume power.

In terms of the entire residential building or office building (including public electricity), the overall accumulated power waste is considerable, and the user forgets to turn off the electrical appliances frequently, which also causes unnecessary power waste.

The general socket or extension cord socket design only has the function of plugging in the power cord. When consumers use electrical appliances, if they want to make an appointment to set the time for starting and shutting down the electrical appliances, it is necessary to add another timer. Plug in the socket to make it have the function of timing, then plug in the power cord of the electrical appliance in the timer, which can increase the function of the socket and its scope of use, which can improve its practicability for general household and industrial users. It is very convenient, but it is necessary to add another timer. It is a waste in terms of cost, and it also increases the inconvenience of consumers.

The conventional power control device technology is the Chinese Patent Publication No. M265832, which discloses a wireless power control device including a multi-array sub-machine and a set of parent machines, each having a high-frequency receiving circuit, a CPU control circuit, and a radio module. The CPU control circuit is connected to the power circuit of the switch and the socket, and the base machine has a high frequency receiving circuit, a CPU control circuit, a radio module, a button and a display circuit.

Wherein, the parent machine and the slave machine can mutually transmit and receive signals in two directions, and each button of the parent machine corresponds to different slave machines, and each button is turned on and off to command the radio module to transmit the signal to the phase through the CPU control circuit. The corresponding slave machine receives the signal from the high frequency receiving circuit of the slave machine and transmits it to its CPU control circuit to control the opening and closing state of the corresponding power button of the switch and the socket of the slave machine and the corresponding button of the parent machine.

However, the disadvantage is that the master and the slave are centrally controlled by the master-slave. The power source specified as the shutdown of the parent machine cannot be started individually at the slave, so if the light of an office is turned off by the parent machine. The person who is in the office may explore the darkness, which is easy to form a danger, and is easily vandalized and invaded by the person intent. The electrical appliances belonging to the individual children cannot be used according to local conditions, and it is easy to cause inconvenience in use. Sex.

Another known power control device technology is the Chinese Patent Publication No. M341974, which discloses an extension cord socket having a timing function, the housing is provided with at least one embedded socket, and each socket and a timing circuit in the housing In connection, the timing circuit can control the timing setting of each socket, and an extension wire and a plug are connected to the casing, the frame is provided with a text type liquid crystal display, and the casing is provided with a plurality of buttons on the side of the text type liquid crystal display. The character type liquid crystal display and the button are electrically connected to the timing circuit, and the timing time of the timing circuit can be set by the button, and the electrical appliance can be plugged into the socket, so that the timing circuit starts timing according to the set time, when the timing is up to When the time is set, the timing circuit controls the corresponding socket to be powered off/energized to turn off/start the electrical appliance.

However, the disadvantage is that the extension cord socket is often placed in the corner of the ground, it is difficult to perform manual setting operation, and when the corresponding socket of the timing circuit control is powered off/energized, the timing circuit cannot be released from the outside, and the extension line is easily caused. When the socket is plugged in, the risk of sudden electrical conduction caused by the internal setting of the power supply is pre-set, or it may easily cause a misjudgment of the electrical failure caused by the internal setting of the power failure.

In view of the shortcomings of the prior art, it is based on the experience of manufacturing various sockets and the accumulation of technology. In view of the above-mentioned lack of careful study of various solutions, after continuous research, experiment and improvement, finally developed and designed one of the inventions. An extension of the wireless timing function to eliminate the lack of prior art.

Therefore, the main object of the present invention is to provide an extension cord socket having a wireless transmission timing function, and to provide an extension cord socket through a mutual arrangement of a programmable logic controller, a wireless transmission module, and a control module. The timing power supply status of the individual outlets can be uniformly set and recorded by the remote device.

Another object of the present invention is that the wireless timing function adopts distributed control. When the power switch is off, the AC/DC converter does not provide power to the programmable logic controller on the socket, and the timing setting memory inside the controller Automatically resets and turns the extension cable socket into a closed circuit, and when the power switch is restarted, if the programmable logic controller does not receive the timing setting of the remote device, the extension cable socket will remain closed for the power-on state.

In order to achieve the above, the present invention has an extension cord of a wireless timing function, and a decentralized control wireless timing system, comprising: a socket housing, the socket housing is provided with more than one buried socket, and is internally a normally closed electronic relay corresponding to the number of the embedded sockets, a current converter electrically connected to the electronic relay, and a power switch electrically connected to the current converter, wherein the electronic relay is electrically connected to the above a buried socket; a programmable logic controller electrically connected to the electronic relay in the socket housing for controlling the open and closed state of the embedded socket; and a wireless transmission module located in the socket housing The inside of the body is electrically connected to the programmable logic controller for receiving a wireless transmission signal of a remote device and transmitted to the programmable logic controller; and an extension wire, one end of the extension wire is connected to the socket housing, And electrically connected to the power switch and the programmable logic controller inside the socket housing, and the extension cord is further End is provided with a mating connector plug to the AC power supply; and a control module provided on the surface of the socket housing and connected to said electrically programmable logic controller.

In a preferred embodiment, when the power switch is in an activated state, the programmable logic controller receives the control of the remote device through the wireless transmission module, and controls the electronic relay according to the re-input timing setting to embed the embedded The socket is in a set open and closed state. In another preferred embodiment, when the power switch is in an activated state, the programmable logic controller cannot receive the remote device control through the wireless transmission module, and the buried The input socket directly presents a closed state; in a further preferred embodiment, when the power switch is in an activated state, the programmable logic controller cannot receive the control of the remote device through the wireless transmission module, and the control module is The timing setting is used to control the electronic relay to cause the embedded socket to assume a set open and closed state.

The control module is provided with a display and a plurality of pressing keys, wherein the pressing button is used for manually controlling the timing setting of the programmable logic controller, and the display is configured to display the setting content of the programmable logic controller; and the pressing The key is provided with at least one function key, an input key, a selection key, and a cancel key.

In a preferred embodiment, the programmable logic controller and the radio module are disposed together in a single control crystal; and a fuse switch is connected in series between the power switch and the extension cable; and the buried socket string is Connected to the current sensor, the current sensor is configured to convert the sense current value into a voltage input to the programmable logic controller, thereby returning the power-on state of the buried socket.

The remote device is provided with at least a keyboard, a screen, a central processing unit connected to the screen and the keyboard, a memory unit electrically connected to the central processing unit, and a radio module electrically connected to the central processing unit. The central processing unit cooperates with the keyboard input command of the user, and cooperates with the timing setting data of the individual embedded sockets stored in the memory unit, and wirelessly transmits the setting data to the wireless transmission module by the radio module.

The invention adopts distributed control for its wireless timing function. When the power switch is off, the AC/DC converter does not provide power to the programmable logic controller on the socket, and the timing setting memory inside the controller is automatically reset. And turning the extension cable socket into a closed circuit, and when the power switch is restarted, if the programmable logic controller does not receive the timing setting of the remote device, the extension cable socket is kept in a closed state of the power-on state.

The invention is characterized in that a programmable logic controller, a wireless transmission module and a control module are arranged through the inside of the socket housing, so that the embedded socket of the extension cable can be uniformly set and recorded by a remote device. The power supply status of the individual outlets, in addition, when the wireless transmission module cannot be connected to the remote device, the display of the module and the pressing button can be controlled to input the timing state. If the above control module and the wireless transmission module are not working properly, The default power state of all buried sockets can also be restored by restarting the power switch.

For a better understanding and understanding of the structure, the use and the features of the present invention, the preferred embodiments are described in detail with reference to the drawings as follows: First, please refer to FIG. 1 and FIG. In the preferred embodiment of the present invention, the extension cord having the wireless timing function of the present invention is a socket housing 10, a programmable logic controller 20 disposed inside the socket housing 10, and a socket housing. The wireless transmission module 30 inside the body 10, an extension cord 40 connected to the socket housing 10 side, and a control module 50 disposed on the surface of the socket housing 10 are formed.

The socket housing 10 is provided with one or more embedded sockets 11 and internally provided with a normally closed electronic relay 12 corresponding to the embedded socket 11 , a current converter 13 and a power switch 14; The electronic relay 12 is electrically connected to the embedded socket 11; the current converter 13 is electrically connected to the electronic relay 12 for converting an alternating current into a direct current and supplying power to other internal modules; and the power source The switch 14 is electrically connected to the current converter 13 for turning on or off the energization state of the entire extension line.

In the preferred embodiment of the present invention, the socket housing 10 is provided with six embedded sockets 11 arranged in an elongated shape, but this is for convenience of description and is not limited. That is to say, the above-mentioned buried socket 11 can be arranged in two strips arranged in parallel, and can even be designed into other specially arranged shapes according to the number of different buried sockets 11.

The programmable logic controller 20 is electrically connected to the electronic relay 12, and the programmable logic controller 20 is configured to control the electronic relay 12 to activate the open and closed states of the embedded socket 11.

The wireless transmission module 30 is electrically connected to the programmable logic controller 20 for receiving a wireless transmission signal of a remote device 60, and transmitting the setting content to the programmable logic controller 20 for timing setting. In the preferred embodiment, the wireless transmission module 30 and the programmable logic controller 20 are disposed together inside the single control crystal 70.

The extension cord 40 is electrically connected to the power switch 14 and the programmable logic controller 20 inside the socket housing 10, and the other end of the extension cord 40 is provided with a power plug 41 that is mated to an AC power source.

The control module 50 is electrically connected to the programmable logic controller 20, and is provided with a display 51 and a plurality of pressing keys 52 for manually controlling the timing setting of the programmable logic controller 20, and the display is 51 is used to display the setting content of the programmable logic controller 20. In a preferred embodiment, the pressing button 52 is provided with at least one function key, an input key, a selection key, and a cancel key.

When the power switch 14 is in the activated state, the programmable logic controller 20 receives the control of the remote device 60 through the wireless transmission module 30, and controls the electronic relay 12 according to the re-input timing setting to make the buried socket. 11 presents the set open and closed state.

In addition, when the power switch 14 is in the activated state, the programmable logic controller 20 cannot receive the control of the remote device 60 through the wireless transmission module 30, and the buried socket 11 directly presents a closed state.

Moreover, when the power switch 14 is in the activated state, the programmable logic controller 20 cannot receive the control of the remote device 60 through the wireless transmission module 30, and the timing module is input by the control module 50 to control the electronic relay. 12. The embedded socket 11 is brought into a set open and closed state.

In a preferred embodiment, a fuse switch 15 is connected in series between the power switch 14 and the extension cable 40. The fuse switch 15 is used to protect the circuit from overload. When the circuit exceeds the load, the fuse switch 15 Will be tripped and power off, at this time only need to re-toggle, then can be used again; and the current sensor 16 is further connected in series between the embedded socket 11 and the programmable logic controller 20, the current sensing The device 16 is configured to convert the sense current value into a voltage input to the programmable logic controller 20, thereby returning the power-on state of the buried socket 11.

As shown in FIG. 4, the remote device 60 is provided with at least a keyboard (not shown), a screen 61, a central processing unit 62 connected to the screen 61 and the keyboard, and an electrical connection to the central processing unit. A memory unit (not shown) of 62 and a radio module 63 electrically coupled to the central processing unit 62.

The central processing unit 62 cooperates with the user's keyboard input command to match the timing setting data of the individual embedded sockets 11 stored in the memory unit, and wirelessly transmits the setting data to the wireless transmission module 30 by the radio module 63.

Referring to FIG. 3 and FIG. 4 , in the power-on state of the power switch 14 , the power supply is supplied to the control crystal 70 via the current converter 13 to allow the programmable logic controller 20 and the wireless transmission module 30 . When the programmable logic controller 20 is connected to the remote device 60 through the wireless transmission module 30, the electronic relay 12 is driven immediately after receiving the timing setting, so that the corresponding buried socket 11 starts to supply current. At the same time, the corresponding current sensor 16 connected to the embedded socket 11 will start to record the usage time and the power-on state, and transmit the monitoring data back to the screen 61 of the remote device 60.

If the programmable logic controller 20 cannot be connected to the remote device 60 via the wireless transmission module 30, the user can directly input the timing setting through the display 51 of the control module 50 and the push button 52.

In the present invention, when the power switch 14 is set to the power-off state, the buried socket 11 will stop the supply of any current. Since the programmable logic controller 20 wirelessly uses distributed control, the above-mentioned The program logic controller 20 clears the power-on state set by the original internal memory to achieve the reset effect. At this time, when the power switch 14 is set to the power-on state again, since the programmable logic controller 20 has been in the preset state. All of the electronic relays 12 are driven and all of the buried sockets 11 will resume supplying current. The design is to prevent the power-on state of the embedded socket 11 from being reset when the programmable logic controller 20 cannot obtain the timing command from the remote device 60 or the control module 50, thereby increasing the extension line for use. Convenience.

For example, if the lighting of an office is turned off by a timed setting, the employee who is in the office can turn the power switch off and then start again, and the extension cord socket can be reset to the power-on state to achieve the effect of the respective switch lights. To avoid the danger of darkness, it can also prevent the intentional person from maliciously damaging the remote device, resulting in the extension cable being unusable and increasing the safety of the extension cable socket.

In summary, the extension cord of the wireless timing function of the present invention is internally configured to cooperate with a programmable logic controller, a wireless transmission module and a control module, so that the extension cable socket can be uniformly set by a remote device. And record the timing power supply status of the individual outlets. In addition, when the wireless transmission module cannot be connected to the remote device, the timing state can also be input from the control module on the extension line. If the above control module and the wireless transmission module are not working properly, The default power state of all buried sockets can be restored by restarting the power switch.

The above embodiments are intended to be illustrative only, and are not intended to limit the scope of the present invention. It is included in the scope of the following patent application.

10. . . Socket housing

11. . . Buried socket

12. . . Electronic relay

13. . . Current converter

14. . . switch

15. . . Fuse switch

16. . . Current sensor

20. . . Programmable logic controller

30. . . Wireless transmission module

40. . . Extension cord

41. . . Power plug

50. . . Control module

51. . . monitor

52. . . Press the button

60. . . Remote device

61. . . Screen

62. . . CPU

63. . . Radio module

70. . . Control crystal

1 is a perspective view showing the appearance of a preferred embodiment of the present invention;

Figure 2 is a schematic view showing the internal structure of a preferred embodiment of the present invention;

Figure 3 is a schematic diagram of the internal circuit and signal connection of the extension cord of the present invention;

Figure 4 is a schematic illustration of the use of the present invention in conjunction with a remote device.

10. . . Socket housing

11. . . Buried socket

12. . . Electronic relay

13. . . Current converter

14. . . switch

15. . . Fuse switch

16. . . Current sensor

40. . . Extension cord

41. . . Power plug

50. . . Control module

51. . . monitor

52. . . Press the button

70. . . Control crystal

Claims (7)

An extension cord with wireless timing function, applying a distributed control wireless timing system, comprising: a socket housing, the socket housing is provided with more than one embedded socket, and is internally provided with the corresponding embedded type a normally closed electronic relay having a number of sockets, a current converter electrically connected to the electronic relay, and a power switch electrically connected to the current converter, wherein the electronic relay is electrically connected to the embedded socket; a logic controller is electrically connected to the electronic relay inside the socket housing, and adopts distributed control to change an open and closed state of the embedded socket; a wireless transmission module is located inside the socket housing and the above The programmable logic controller is electrically connected to receive a wireless transmission signal of a remote device and transmitted to the programmable logic controller; and an extension wire, one end of the extension wire is connected to the socket housing, and the socket is The power switch inside the housing and the programmable logic controller are electrically connected, and the other end of the extension cable a power plug that is coupled to the AC power source; and a control module disposed on the surface of the socket housing and electrically connected to the programmable logic controller; wherein, when the power switch is in an activated state, the foregoing The program logic controller receives the control of the remote device through the wireless transmission module, and controls the electronic relay according to the re-input timing setting, so that the embedded socket presents the set open and closed state; When the programmable logic controller is unable to receive the control of the remote device through the wireless transmission module, the embedded socket directly presents a closed state, or alternatively, the control module inputs the timing setting to control the electronic relay. The embedded socket is in the set open and closed state; when the power switch is in the off state, the timing setting memory inside the programmable logic controller is automatically reset, and the individual extension cable socket is turned into a closed circuit, and when After the power switch is restarted, if the programmable logic controller does not receive the timing setting of the remote unit, the extension cord outlet will remain closed for power-on. An extension cord having a wireless timing function according to the first aspect of the invention, wherein the control module is provided with a display and a plurality of pressing keys, wherein the pressing button is used to manually control the timing setting of the programmable logic controller. The above display is used to display the setting contents of the programmable logic controller. An extension cord having a wireless timing function as described in claim 2, wherein the pressing button is provided with at least one function key, an input key, a selection key, and a cancel key. An extension cord having a wireless timing function as described in claim 1, wherein the programmable logic controller and the radio module are disposed together inside a single control crystal. An extension cord having a wireless timing function as described in claim 1, wherein a fuse switch is further connected in series between the power switch and the extension cord. An extension cord having a wireless timing function according to claim 1, wherein the embedded socket further connects a current sensor in series, and the current sensor is configured to convert the sensing current value into a voltage input. The programmable logic controller is configured to return the power-on state of the buried socket. An extension cord having a wireless timing function according to claim 1, wherein the remote device is provided with at least a keyboard, a screen, a central processor connected to the screen and the keyboard, and an electrical connection a memory unit of the central processing unit and a radio module electrically connected to the central processing unit; the central processing unit cooperates with a user's keyboard input command, and cooperates with a timing setting data of an individual embedded socket stored in the memory unit, and The setting data is wirelessly transmitted by the radio module to the wireless transmission module.