CN211580242U - Switch control circuit and single live wire switching system - Google Patents
Switch control circuit and single live wire switching system Download PDFInfo
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- CN211580242U CN211580242U CN201922151006.XU CN201922151006U CN211580242U CN 211580242 U CN211580242 U CN 211580242U CN 201922151006 U CN201922151006 U CN 201922151006U CN 211580242 U CN211580242 U CN 211580242U
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Abstract
The utility model is suitable for an electrical apparatus switch technical field provides a switch control circuit and single live wire switch system, and the circuit includes a plurality of single live wire switches, and each single live wire switch is inside all to include gets electric module, intelligent object, drive module, and button control module; the power taking module and the driving module in each single live wire switch are connected with alternating current; the intelligent module in each single live wire switch is connected with the power taking module, the driving module and the key control module in the single live wire switch; the button control module in each single live wire switch corresponds with the button control module in other single live wire switches through two lines and is connected, and the first end of the button control module in each single live wire switch, and the second end are connected rather than the power supply end of inside intelligent object and communication end respectively. The utility model provides a current not high problem of practicality.
Description
Technical Field
The utility model belongs to the technical field of the electrical apparatus switch, especially, relate to a switch control circuit and single live wire switching system.
Background
The single-live switch system is a wall-in switch which can realize switch control only by entering one live wire, and is widely applied to the market in the traditional mechanical switch stage. The intelligent single live switch is added with the application of the intelligent module on the basis, and the power consumption of the intelligent module is completely provided by a single live wire, so that most of intelligent single live switches in the current market are limited by power taking difficulty and load range.
The traditional mechanical switch controls a lamp through two single-pole double-throw switches, and the same is true of an intelligent double-control switch or a multi-control switch. However, the double switch means that power needs to be supplied to two intelligent modules at the same time, and the requirement on an intelligent single-fire switch which is difficult to get electricity is severer.
Meanwhile, two control modes, namely AB line communication and wireless module communication, are popular in the market at present. The problem of two module double consumptions can't be solved to the former AB line, distinguishes the AB line simultaneously and has improved the use degree of difficulty, connects by mistake very easily, can lead to information transmission to make mistakes if thoughtlessly connect to cause system control disorder, probably introduce commercial power or heavy current signal during wrong connection simultaneously, make the risk of burning out or exploding the machine. The latter wireless communication mode has the limitations of distance and transmission success rate, is complex to operate, cannot completely replace the existing household wiring scheme, and is only an alternative scheme rather than an optimal scheme.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of the utility model is to provide a switch control circuit aims at solving the not high problem of current practicality.
The embodiment of the utility model provides a realize like this, a switch control circuit, including a plurality of single live wire switches, each single live wire switch inside all includes gets electric module, intelligent module, drive module, and button control module;
the power taking module and the driving module in each single live wire switch are connected with a first end of alternating current, one driving module in one single live wire switch for main switch control is connected with one end of an external load, and the other end of the external load is connected with a second end of the alternating current;
the intelligent module in each single-live-wire switch is connected with the power taking module, the driving module and the key control module in the single-live-wire switch;
each button control module in the single live wire switch corresponds through two lines and button control module in other single live wire switches and is connected, and each button control module's in the single live wire switch first end, and second end are connected rather than the intelligent object's of inside power supply end and communication end respectively to make inside single live wire switch through getting the power module and supplying intelligent object work can make the work power supply that provides the intelligent object in other single live wire switches through button control module's connection, and according to each button control module's on-off control in the single live wire switch realizes control the on-off state of external load.
Further, the key control module includes:
a control key;
the driving unit is respectively connected with the control key and the power supply end of the intelligent module and is used for providing power provided by the power supply end of the intelligent module to the intelligent module in other single-live-wire switches or receiving power provided by the intelligent module in other single-live-wire switches for power supply work of the intelligent module connected with the intelligent module;
and the detection unit is respectively connected with the control key and the communication end of the intelligent module and is used for inputting the on-off state of the control key into the communication end of the intelligent module.
Furthermore, the key control module further includes:
and the display unit is connected with the control key and is used for displaying the wiring state of the key control module.
Furthermore, the key control module further includes:
the voltage stabilizing unit is connected between the driving unit and the power supply end of the intelligent module, the driving unit is connected with the output end of the power taking module, and the voltage stabilizing unit is used for stabilizing the voltage input by the driving unit or the output end of the power taking module to the normal working voltage of the power supply end of the intelligent module.
Furthermore, the drive unit is drive resistance, the detecting unit is detection resistance, drive resistance with detection resistance one end with control button one end is connected, the drive resistance other end with the power supply end of intelligent module is connected, the detection resistance other end with the communication end of intelligent module is connected, the other end ground connection of control button.
Furthermore, the display unit comprises a current-limiting resistor and a light-emitting diode, one end of the current-limiting resistor is connected with one end of the control key, one end of the drive unit and one end of the detection unit, the other end of the current-limiting resistor is connected with one end of the light-emitting diode, and the other end of the light-emitting diode is connected with the other end of the control key.
Furthermore, the voltage stabilizing unit is an LDO voltage stabilizer, the input end of the LDO voltage stabilizer is respectively connected with the output end of the power taking module and the driving unit, and the output end of the LDO voltage stabilizer is connected with the power supply end of the intelligent module.
Furthermore, the control key is a mechanical key or a touch key.
Furthermore, the driving module is a relay or silicon controller.
Another embodiment of the utility model provides a single live wire switching system, single live wire switching system includes the aforesaid switch control circuit.
The embodiment of the utility model provides a switch control circuit, can realize getting the electricity of alternating current through the module of getting of setting, can realize the intelligent control to drive module through the intelligent object who sets up, make the on-off state of the external load of realization control, the button control module through setting up makes can provide the power supply that the supply terminal of intelligent object in one of them single live wire switch provided to the intelligent object of other single live wire switches, make the normal work that can realize other intelligent object, the problem of the produced multiple power consumption of intelligent object in a plurality of single live wire switches has been solved again simultaneously, the problem of burning out or exploding the machine can not produce in the condition that two lines connect the mistake simultaneously, make the problem that current practicality is not high solved.
Drawings
Fig. 1 is a block diagram of a switch control circuit according to an embodiment of the present invention;
fig. 2 is a schematic circuit diagram of a switch control circuit according to another embodiment of the present invention, wherein the switch control circuit is connected to a key control module;
fig. 3 is a schematic circuit diagram of a switch control circuit according to another embodiment of the present invention, wherein the switch control circuit is connected to a key control module;
fig. 4 is a schematic circuit diagram of a switch control circuit according to another embodiment of the present invention, wherein the switch control circuit is connected to a key control module.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The utility model discloses the setting is got the electric module and is realized getting the electricity of alternating current, it realizes the intelligent control to drive module to set up intelligent object, make the on-off state who realizes controlling external load, it makes can provide the power supply that intelligent object's feeder ear provided in one of them single live wire switch to the intelligent object of other single live wire switches to set up button control module, make and to realize other intelligent object's normal work, solved the problem of the multiplicable consumption that produces because intelligent object in a plurality of single live wire switches simultaneously again, can not produce the problem of burning out or exploding the machine in the condition that two lines connect the mistake simultaneously, make and solved the not high problem of current practicality.
Example one
Please refer to fig. 1, which is a schematic block diagram of a switch control circuit according to an embodiment of the present invention, the switch control circuit includes a plurality of single live wire switches 20, and each single live wire switch 20 includes a power taking module 21, an intelligent module 22, a driving module 23, and a key control module 24;
the power taking module 21 and the driving module 23 in each single live wire switch 20 are both connected with a first end of alternating current, one driving module 23 in one single live wire switch 20 for main switch control is connected with one end of an external load 30, and the other end of the external load 30 is connected with a second end of the alternating current;
the intelligent module 22 in each single live wire switch 20 is connected with the power taking module 21, the driving module 23 and the key control module 24 inside the intelligent module;
the key control module 24 in each single live wire switch 20 corresponds through two lines and the key control module 24 in other single live wire switches 20 and is connected, and the first end of key control module 24 in each single live wire switch 20, and the second end is connected with the power supply end of intelligent object 22 inside respectively, and communication end TR, so that inside single live wire switch 20 through getting electric module 21 confession intelligent object 22 work can make the work power supply that provides intelligent object 22 in other single live wire switches 20 through key control module 24's connection, and realize controlling the on-off state of external load 30 according to the on-off control of key control module 24 in each single live wire switch 20.
In an embodiment of the present invention, the number of the single live wire switches 20 is two, and the switch control circuit is specifically applied to a single live wire dual-control switch system, and the key control modules 24 in the two single live wire switches 20 are connected to each other. It can be understood that in other embodiments of the utility model, this single live wire switch 20's quantity can also be other, interconnect between the button control module 24 in each single live wire switch 20 this moment, and get among each single live wire switch 20 electric module 21 and drive module 23 all with the alternating current connection, it sets up according to the in-service use demand, does not do the restriction here.
In an embodiment of the present invention, each single live wire switch 20 includes a power taking module 21, an intelligent module 22, a driving module 23, and a key control module 24.
Further, the power taking module 21 is electrically connected to the ac, and is configured to take power from the ac to implement power taking in an on state or power taking in an off state, and provide power for the intelligent module 22.
Further, the intelligent module 22 is connected to the power-taking module 21, the driving module 23, and the key control module 24, and when in use, the intelligent module 22 is a micro control unit (Microcontroller unit mcu) for intelligently controlling the on/off state of the external load 30 connected thereto, and further, when in use, the intelligent module 22 may be a controller integrated with a communication module, the communication module includes but is not limited to any one or more of a WIFI module, a bluetooth module, a ZIGBEE module, an NB-IOT module, and an RF module, and at this time, a user may use an intelligent terminal adapted to the communication module to correspondingly send a control signal to the intelligent module 22, so that the intelligent module 22 controls the operating state of the driving module 23 according to the received control signal, so as to control the on/off state of the external load 30. Wherein, in this embodiment, this intelligent module 22 normal supply voltage is 3.3V, and intelligent module 22's feeder ear is the power supply of 3.3V promptly, can understand, in other embodiments of the utility model, the supply voltage of its intelligent module 22 can also be other, does not limit here.
Further, the driving module 23 is connected to the first end of the alternating current, and further, because the single live wire switch system including a plurality of single live wire switches 20 is applied to in this embodiment, it only has a single live wire switch 20 to be connected to the external load 30, the single live wire switch 20 that it is connected to the external load 30 is the main single live wire switch 20 of main on-off control, and other single live wire switches 20 connected through the key control module 24 are all from the single live wire switch 20. At this time, the driving module 23 in the main single live wire switch 20 is connected to the external load 30, the other end of the external load 30 is connected to the second end of the alternating current, and the driving modules 23 in the other slave single live wire switches 20 are not connected to the external load 30, wherein in this embodiment, the first end of the alternating current is a live wire end, the second end of the alternating current is a zero wire end, and the alternating current is the commercial power.
In this embodiment, in specific implementation, the driving module 23 may be a relay or a thyristor, at this time, when the intelligent module 22 does not output a control signal to the driving module 23, the driving module 23 is in a disconnected state, and therefore cannot be connected to the external load 30 connected thereto, and when a user controls the module 24 through the control key 241 or sends a signal to the intelligent module 22 through the intelligent terminal, the intelligent module 22 outputs a control signal to the driving module 23, so that the driving module 23 is in a connected state, and the external load 30 connected thereto is driven to operate. The external load 30 is a load lamp when in use.
Further, button control module 24 corresponds with intelligent object 22 and button control module 24 in through two lines and other single live wire switches 20 and is connected, the first end of button control module 24 in its each single live wire switch 20 and the power supply end of its inside intelligent object 22 for the power that the power supply accessible button control module 24 that the intelligent object 22 of one of them single live wire switch 20 provided, make and provide to in the intelligent object 22 of other single live wire switches 20, so that intelligent object 22 in other single live wire switches 20 can receive the power supply and carry out normal work, and need not rather than the power supply that the electricity module 21 of being connected provided.
The key control module 24 includes a control key, and the control key is disposed outside the single live wire switch 20, specifically, two ends of the control key in each key control module 24 are sequentially connected correspondingly, in this embodiment, one end of the control key in the key control module 24 is connected to the communication end and the power supply end of the intelligent module 22, and the other end of the control key in the key control module 24 is grounded. The second end of the key control module 24 in each single live wire switch 20 is connected to the communication end of the intelligent module 22 inside the single live wire switch, and at this time, when the user operates the control key 241, the key control module 24 outputs the operated signal to the communication end of the intelligent module 22 through the second end, so that the intelligent module 22 performs the corresponding operation of the control driving module 23 according to the operation of the key control module 24, so as to control the on-off state of the external load 30. And because the key control modules 24 in each single live wire switch 20 are connected to each other, the communication end of the intelligent module 22 in each single live wire switch 20 can receive the operation signal when any key control module 24 is operated. And under the mutual connection of such key control modules 24, the communication ends of the intelligent modules 22 in the two single live wire switches 20 can be used as a signal receiving and transmitting port according to various requirements, so as to realize the intercommunication information of the intelligent modules 22 in the two single live wire switches 20.
During the specific use, main single live wire switch 20 and all be connected with the alternating current from single live wire switch 20, and main single live wire switch 20's drive module 23 is connected with external load 30, when not carrying out the during operation, its main single live wire switch 20 get the electricity module 21 and get the electricity to the alternating current, and export to its inside intelligent object 22, so that intelligent object 22 normally works, its intelligent object 22's power supply end is connected with the button control module 24 from single live wire switch 20 through button control module 24, and finally provide the work power supply to the intelligent object 22 in the single live wire switch 20 from, main single live wire switch 20 all carries out normal power supply this moment with the intelligent object 22 in the single live wire switch 20 from.
When a user operates the key control module 24 of the slave single live wire switch 20 or sends a signal to the intelligent module 22 of the slave single live wire switch 20 through the intelligent terminal, the intelligent module 22 of the master single live wire switch 20 can also receive the operation signal through the mutual connection of the key control modules 24, and after the internal software operation is judged, the conduction of the driving module 23 is correspondingly controlled according to the operation signal, so that the work of the external load 30 is controlled.
When a user operates the key control module 24 of the main single live wire switch 20 or sends a signal to the intelligent module 22 of the main single live wire switch 20 through the intelligent terminal, the intelligent module 22 of the main single live wire switch 20 directly controls the conduction of the driving module 23 according to the operation signal, so that the work of the external load 30 is controlled.
Wherein, because two wiring that each single live wire switch 20 is connected become to set up in the wiring of button control module 24, and the maximum voltage difference that button control module 24 can provide is the supply voltage that intelligent module 22 provided, 3.3V for can not introduce commercial power or heavy current signal, consequently also can not have the problem of burning out or exploding the machine under the condition of two-wire transposition.
In this embodiment, get the electric module through what set up and can realize getting the electricity to the alternating current, intelligent control to drive module can be realized through the intelligent object that sets up, make the on off state of the external load of realization control, make the power supply that can provide intelligent object's in one of them single live wire switch feeder ear provided to the intelligent object of other single live wire switches through the button control module that sets up, make the normal work that can realize other intelligent object, the problem of the many times consumption that produces because intelligent object in a plurality of single live wire switches has been solved again simultaneously, the problem of burning out or exploding the machine can not produce in the condition of two lines misconnection simultaneously, make the problem that current practicality is not high solved.
Example two
Please refer to fig. 2, which is a schematic circuit diagram of a switch control circuit connected to a key control module according to a second embodiment of the present invention, the second embodiment has a structure substantially the same as that of the first embodiment, and the difference is that in this embodiment, the key control module 24 includes:
a control key 241;
the driving unit 242, the driving unit 242 is respectively connected to the control key 241 and the power supply terminal VDD of the intelligent module 22, and is configured to provide the power provided by the power supply terminal VDD of the intelligent module 22 to the intelligent module 22 in another single-live-wire switch 20, or receive the power provided by the intelligent module 22 in another single-live-wire switch 20 for the power supply operation of the intelligent module 22 connected thereto;
the detecting unit 243, the detecting unit 243 is respectively connected with the control key 241 and the communication terminal TR of the intelligent module 22, and is used for inputting the on-off state of the control key 241 into the communication terminal TR of the intelligent module 22;
and the display unit 244 is connected with the control key 241 and is used for displaying the wiring state of the key control module 24.
In the implementation of the key control module 24, referring to fig. 2, in an embodiment of the present invention, the driving unit 242 is a driving resistor, and the detecting unit 243 is a detecting resistor. The driving resistor and the detection resistor are connected with one end of the control key 241, the other end of the driving resistor is connected with a power supply end VDD of the intelligent module 22, the other end of the detection resistor is connected with a communication end TR of the intelligent module 22, and the other end of the control key 241 is grounded. Specifically, the main single live wire switch 20A is connected to the external load 30, and the slave single live wire switch 20B is connected to the main single live wire switch 20A through the key control module 24, at this time, the driving unit 242 in the main single live wire switch 20A is a first driving resistor R1, and the driving unit 242 in the slave single live wire switch 20B is a second driving resistor R2; the detection unit 243 in the master single live wire switch 20A is a first detection resistor R3, and the detection unit 243 in the slave single live wire switch 20B is a second detection resistor R4; the control key 241 in the master single live wire switch 20A is the first control key K1, and the control key 241 in the slave single live wire switch 20B is the second control key K2.
Further, in an embodiment of the present invention, the display unit 244 includes a current-limiting resistor and a light emitting diode, one end of the current-limiting resistor is connected to one end of the control button 241, the driving unit 242 and the detecting unit 243, the other end of the current-limiting resistor is connected to one end of the light emitting diode, and the other end of the light emitting diode is connected to the other end of the control button 241. In addition, in the specific implementation of this embodiment, the cathode of the light emitting diode is connected to the current limiting resistor. Specifically, the display units 244 in the master single live wire switch 20A are the first current limiting resistor R5 and the first light emitting diode LED1, respectively, and the display units 244 in the slave single live wire switch 20B are the second current limiting resistor R6 and the second light emitting diode LED2, respectively.
Wherein, the control key 241 is a mechanical key or a touch key; the driving module 23 is a relay or thyristor. Referring to fig. 2, in this embodiment, two wires that are specifically connected are sequentially connected to two ends of the control button 241 of the master single live wire switch 20A and the slave single live wire switch 20B, respectively.
When a user normally connects the wires according to the connection shown in fig. 2, the intelligent module 22 in the master single live wire switch 20A receives the alternating current power obtained by the power obtaining module 21, and the power is provided to the first driving resistor R1 in the key control module 24 through the power supply terminal VDD, at this time, the mutual connection between the key control modules 24 makes the second driving resistor R2 provided in the key control module 24 in the slave single live wire switch 20B and finally provided to the intelligent module 22 in the slave single live wire switch 20B for power supply, at this time, because the working current of each intelligent module 22 is small, the voltage drop across the first driving resistor R1 and the second driving resistor R2 is not enough to affect the normal operation of the intelligent module 22 in the slave single live wire switch 20B, at this time, the intelligent modules 22 in the two single live wire switches 20 both normally operate, and when the user operates any one of the first control key K1 in the master single live wire switch 20A or any of the second control key K2 in the slave single live wire switch 20B In one case, the intelligent module 22 in the main single-live-wire switch 20A and the intelligent module 22 in the slave single-live-wire switch 20B both receive the control signal, and after the internal software operation judgment, the intelligent module 22 in the main single-live-wire switch 20A outputs the control signal to the driving module 23, so that the driving module 23 controls the working state of the external load 30.
When the user connects the two wires between the master single live wire switch 20A and the slave single live wire switch 20B in the opposite direction, the power supply terminal VDD of the intelligent module 22 in the master single live wire switch 20A is connected to the ground in the slave single live wire switch 20B through the first driving resistor R1, and the ground in the master single live wire switch 20A is connected to the end connected to the second control key K2, the driving unit 242, and the detecting unit 243 of the slave single live wire switch 20B. At this time, the second LED2 will pass through the second current limiting resistor R6 and then be lighted up to indicate the current wiring error. It should be noted that, in other embodiments of the present invention, as shown in fig. 3, the key control module 24 may further connect the anode of the light emitting diode of the display unit 244 with the current limiting resistor, and at this time, during normal operation, the first light emitting diode LED1 and the second light emitting diode LED2 are in an on state; when the wiring is wrong, the first light emitting diode LED1 and the second light emitting diode LED2 are not lighted, so as to prompt the user that the wiring is wrong currently.
Meanwhile, when the user does not change the connection method, the control function can be also played, and when the user operates the first control key K1, the user directly outputs an operation signal to the communication end TR of the intelligent module 22 in the main single live wire switch 20A, so that the intelligent module 22 of the main single live wire switch 20A correspondingly outputs a control signal to the driving module 23. When the user operates the second control key K2, the user still transmits an operation signal to the communication terminal TR of the intelligent module 22 of the main single live wire switch 20A through the connection between the two single live wire switches 20, so that the intelligent module 22 of the main single live wire switch 20A correspondingly outputs a control signal to the driving module 23, thereby still realizing dual control. Meanwhile, when the connection method is used, the maximum voltage difference between the two wires is 3.3V which is the supply voltage of the intelligent module 22, so that commercial power or a large-current signal cannot be introduced, and the problem of burning or explosion of the machine due to reverse connection cannot occur.
In the embodiment, the display unit can display the wiring state of the current key control module, so that a user can be prompted when the wiring is wrong; through the arranged control keys, when the wiring is in a wrong connection, the double control of the two single-live-wire switches can be realized without any adverse effect; meanwhile, the maximum voltage difference introduced by the two connecting wires is only the power supply voltage of the intelligent module, so that the problem of reverse connection burning or machine explosion is avoided.
EXAMPLE III
Please refer to fig. 4, which is a schematic circuit diagram of a switch control circuit connected to a key control module 24 according to a third embodiment of the present invention, the third embodiment has a structure substantially the same as that of the second embodiment, and the difference is that in this embodiment, the key control module 24 further includes:
the voltage stabilizing unit 245 is connected between the driving unit 242 and the power supply terminal VDD of the intelligent module 22, the driving unit 242 is connected to the output terminal of the power taking module 21, and the voltage stabilizing unit 245 is configured to stabilize the voltage input by the output terminal of the power taking module 21 or the driving unit 242 to the normal operating voltage of the power supply terminal VDD of the intelligent module 22.
Further, referring to fig. 4, in an embodiment of the present invention, the voltage stabilizing unit 245 is an LDO voltage stabilizer, an input end of the LDO voltage stabilizer is connected to the output end of the power taking module 21 and the driving unit 242, respectively, and an output end of the LDO voltage stabilizer is connected to the power supply end VDD of the intelligent module 22.
When the intelligent power supply device works, the voltage provided by the power taking module 21 in the main single live wire switch 20A is unstable and is higher than the power supply voltage of the intelligent module 22 by 2-3V, and after the voltage stabilizing unit 245 is arranged, the voltage output by the power taking module 21 in the main single live wire switch 20A is stabilized by the voltage stabilizing unit 245 and then directly stabilized and output to the intelligent simulation power supply end VDD, so that normal power supply is realized.
Further, the drive unit 242 of the main single live wire switch 20A is connected with the power taking module 21, the drive unit 242 of the main single live wire switch 20A is connected and then transmitted to the drive unit 242 of the slave single live wire switch 20B, and is input to the voltage stabilizing unit 245 of the slave single live wire switch 20B, and after voltage stabilization, 3.3V voltage can be stably output to the intelligent module 22 in the slave single live wire switch 20B, and the stability of the working voltage of the intelligent module 22 in the slave single live wire switch 20B is ensured.
Example four
The fourth embodiment of the present invention further provides a single live wire switch system, which includes the switch control circuit described in any one of the first to third embodiments. In the embodiment, the power taking module arranged on each single live wire switch can realize the power taking of the alternating current; the intelligent module can realize intelligent control on the driving module, so that the on-off state of an external load can be controlled; the key control module of its setting makes can provide the power supply that the supply terminal of intelligent object in one of them single live wire switch provided to the intelligent object of other single live wire switches for can realize other intelligent object's normal work, solve the problem because the produced multiple times consumption of intelligent object in a plurality of single live wire switches simultaneously again, the problem of burning out or exploding the machine can not produce in the condition that two lines connect the mistake simultaneously, make to solve the not high problem of current practicality.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A switch control circuit is characterized by comprising a plurality of single live wire switches, wherein each single live wire switch comprises a power taking module, an intelligent module, a driving module and a key control module;
the power taking module and the driving module in each single live wire switch are connected with a first end of alternating current, one driving module in one single live wire switch for main switch control is connected with one end of an external load, and the other end of the external load is connected with a second end of the alternating current;
the intelligent module in each single-live-wire switch is connected with the power taking module, the driving module and the key control module in the single-live-wire switch;
each button control module in the single live wire switch corresponds through two lines and button control module in other single live wire switches and is connected, and each button control module's in the single live wire switch first end, and second end are connected rather than the intelligent object's of inside power supply end and communication end respectively to make inside single live wire switch through getting the power module and supplying intelligent object work can make the work power supply that provides the intelligent object in other single live wire switches through button control module's connection, and according to each button control module's on-off control in the single live wire switch realizes control the on-off state of external load.
2. The switch control circuit of claim 1, wherein the key control module comprises:
a control key;
the driving unit is respectively connected with the control key and the power supply end of the intelligent module and is used for providing power provided by the power supply end of the intelligent module to the intelligent module in other single-live-wire switches or receiving power provided by the intelligent module in other single-live-wire switches for power supply work of the intelligent module connected with the intelligent module;
and the detection unit is respectively connected with the control key and the communication end of the intelligent module and is used for inputting the on-off state of the control key into the communication end of the intelligent module.
3. The switch control circuit of claim 2, wherein the key control module further comprises:
and the display unit is connected with the control key and is used for displaying the wiring state of the key control module.
4. The switch control circuit of claim 2, wherein the key control module further comprises:
the voltage stabilizing unit is connected between the driving unit and the power supply end of the intelligent module, the driving unit is connected with the output end of the power taking module, and the voltage stabilizing unit is used for stabilizing the voltage input by the driving unit or the output end of the power taking module to the normal working voltage of the power supply end of the intelligent module.
5. The switch control circuit according to claim 2, wherein the driving unit is a driving resistor, the detecting unit is a detecting resistor, one end of the driving resistor and one end of the detecting resistor are connected to one end of the control button, the other end of the driving resistor is connected to the power supply end of the intelligent module, the other end of the detecting resistor is connected to the communication end of the intelligent module, and the other end of the control button is grounded.
6. The switch control circuit according to claim 3, wherein the display unit comprises a current limiting resistor and a light emitting diode, one end of the current limiting resistor is connected with one end of the control key, one end of the drive unit and one end of the detection unit, the other end of the current limiting resistor is connected with one end of the light emitting diode, and the other end of the light emitting diode is connected with the other end of the control key.
7. The switch control circuit according to claim 4, wherein the voltage stabilizing unit is an LDO regulator, an input terminal of the LDO regulator is connected to the output terminal of the power taking module and the driving unit, and an output terminal of the LDO regulator is connected to the power supply terminal of the intelligent module.
8. The switch control circuit of claim 2, wherein the control key is a mechanical key or a touch key.
9. The switch control circuit of claim 1, wherein the drive module is a relay or thyristor.
10. A single live wire switching system comprising the switch control circuit of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922151006.XU CN211580242U (en) | 2019-12-04 | 2019-12-04 | Switch control circuit and single live wire switching system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922151006.XU CN211580242U (en) | 2019-12-04 | 2019-12-04 | Switch control circuit and single live wire switching system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113727495A (en) * | 2021-03-25 | 2021-11-30 | 杰华特微电子股份有限公司 | Single-live-wire switching circuit and control method thereof |
| CN114727451A (en) * | 2022-04-29 | 2022-07-08 | 成都市联洲国际技术有限公司 | Duplex dimmer and circuit verification method thereof |
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2019
- 2019-12-04 CN CN201922151006.XU patent/CN211580242U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113727495A (en) * | 2021-03-25 | 2021-11-30 | 杰华特微电子股份有限公司 | Single-live-wire switching circuit and control method thereof |
| CN113727495B (en) * | 2021-03-25 | 2023-07-18 | 杰华特微电子股份有限公司 | Single-live wire switching circuit and control method thereof |
| CN114727451A (en) * | 2022-04-29 | 2022-07-08 | 成都市联洲国际技术有限公司 | Duplex dimmer and circuit verification method thereof |
| WO2023207436A1 (en) * | 2022-04-29 | 2023-11-02 | 联洲集团有限公司 | Dual dimmer and line check method therefor |
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