CN219285616U - Remote switch module - Google Patents
Remote switch module Download PDFInfo
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- CN219285616U CN219285616U CN202320258456.2U CN202320258456U CN219285616U CN 219285616 U CN219285616 U CN 219285616U CN 202320258456 U CN202320258456 U CN 202320258456U CN 219285616 U CN219285616 U CN 219285616U
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Abstract
The present application relates to a remote switch module comprising a first communication device; the second communication device and the first communication device are both used for being in signal connection with the remote terminal and receiving communication signals; the first controller is electrically connected with the first communication device and is used for responding to the communication signal to output a switching signal; the second controller is electrically connected with the second communication device and is used for responding to the communication signal to output a reading state signal; the execution switch is connected to the first controller and is used for connecting equipment and responding to a switch signal to control the equipment to start and stop; and a state detector connected to the second controller for detecting a switching state of the execution switch in response to the read state signal; the second controller is also used for controlling to execute the switching action and sending a prompt signal to the remote terminal when detecting that the switching state is not changed in response to the communication signal. The remote switch response success rate improving method has the effect of improving the response success rate of the remote switch.
Description
Technical Field
The present application relates to the field of control switches, and in particular to a remote switch module.
Background
The remote switch is not limited by distance and space, and can realize signal transmission through a wireless communication module between the mobile device and the switch, so that remote control is realized, the start-stop effect of the control device is realized, one-to-one control can be adopted, and one-to-many control can also be adopted.
Aiming at the related technology, the inventor considers that remote communication comprises Bluetooth, wifi, GPRS, cellular network and the like, although the convenience of switch control is improved, the remote switch is not responded finally possibly due to the influence of the fault of a communication device, and the normal control operation of equipment is influenced.
Disclosure of Invention
In order to improve response success rate of a remote switch, the application provides a remote switch module.
The application provides a remote switch module adopts following technical scheme:
a remote switch module, comprising:
a first communication device;
the second communication device and the first communication device are both used for being in signal connection with the remote terminal and receiving communication signals;
the first controller is electrically connected with the first communication device and is used for responding to the communication signal to output a switching signal;
the second controller is electrically connected with the second communication device and is used for responding to the communication signal to output a reading state signal;
the execution switch is connected to the first controller and is used for connecting equipment and responding to a switch signal to control the equipment to start and stop; a kind of electronic device with high-pressure air-conditioning system
A state detector, connected to the second controller, for detecting a switching state of the execution switch in response to the read state signal;
the second controller is also used for controlling to execute the switching action and sending a prompt signal to the remote terminal when detecting that the switching state is not changed in response to the communication signal.
Through adopting above-mentioned technical scheme, when remote terminal sends the signal, first communication device and second communication device all can receive communication signal, first controller responds communication signal control and carries out the switching action, carry out the start-stop of switch control equipment, and the switch state of state detector detection execution switch, the second controller reads the switch state of execution switch, when switch state does not change, second communication device control carries out the switching action, and send the prompt signal to remote terminal, prompt staff in time maintains this first communication device or first controller, with this response success rate that promotes remote switch.
Preferably, the first communication device and the second communication device adopt at least one communication protocol of wifi, GPRS, loRa, zigBee and a cellular network.
By adopting the technical scheme, wireless control can be realized through wifi, GPRS, loRa, zigBee and a cellular network, and the distance of remote control is improved.
Preferably, a signal delay device is connected between the second controller and the state detector.
By adopting the technical scheme, the delay detection of the state detector is realized through the signal delay device, so that the state detector starts to detect before the execution switch does not respond to the switch signal, and erroneous judgment is avoided.
Preferably, a signal delay device is connected between the second communication device and the second controller.
By adopting the technical scheme, the signal receiving delay of the second controller is realized through the signal delay device, so that the state detector starts to detect before the execution switch does not respond to the switch signal, and erroneous judgment is avoided.
Preferably, the state detector comprises a voltage detection part and a first resistor, wherein the input end of the voltage detection part is connected with one end of the execution switch, the output end of the voltage detection part is connected with the second controller, one end of the first resistor is connected with one end of the execution switch, and the other end of the first resistor is connected with a connection point between one end of the voltage detection part and equipment.
By adopting the technical scheme, the current value on the first resistor is detected through the voltage detection part, when the voltage detected by the voltage detection part is lower than the set value, the switch is opened, and when the voltage detected by the voltage detection part is not lower than the set value, the switch is closed.
Preferably, the first resistor is a variable resistor.
By adopting the technical scheme, the variable resistor can change the voltage amplification of the voltage detection part, so that the variable resistor is adjusted aiming at the switching loops of different devices, the adaptation adjustment can be realized without changing the voltage trigger threshold of the second controller, and the operation is more convenient.
Preferably, the state detector comprises a current transformer connected in series in a loop of the execution switch and the device.
By adopting the technical scheme, the current transformer can sense the change condition of the current value in the alternating current circuit, so that the switching state of the alternating current circuit can be detected.
Preferably, the second communication device corresponds to at least two first communication devices, and each first communication device corresponds to at least one execution switch.
Through adopting above-mentioned technical scheme, communication signal can be directed against a certain or a set of first communication device, controls its corresponding execution switch, and the second controller detects this part and carries out the switch to through the feedback adjustment prompt signal of on-off state, with this first communication device or execution switch or first controller that can point out staff and break down, promote pertinence, reduce the investigation work load.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the remote terminal sends a signal, the first communication device and the second communication device both receive the communication signal, the first controller responds to the communication signal to control the execution of the switching action and the start and stop of the switching control equipment, the state detector detects the switching state of the execution switch, the second controller reads the switching state of the execution switch, and when the switching state is unchanged, the second communication device controls the execution of the switching action and sends a prompt signal to the remote terminal to prompt a worker to maintain the first communication device or the first controller in time so as to improve the response success rate of the remote switch;
2. the delay detection of the state detector is realized through the signal delay device, so that the state detector starts to detect before the execution switch does not respond to the switch signal, and erroneous judgment is avoided;
3. the current transformer can sense the change condition of the current value in the alternating current circuit, so that the switching state of the alternating current circuit can be detected.
Drawings
Fig. 1 is a schematic block diagram of a remote switch module according to a first embodiment of the present application.
Fig. 2 is a schematic circuit diagram of a remote switch module according to a first embodiment of the present application.
Fig. 3 is a schematic circuit diagram of a remote switch module according to a second embodiment of the present application.
Detailed Description
The present application is described in further detail below with reference to the accompanying drawings.
Embodiment one:
an embodiment of the application discloses a remote switch module. Referring to fig. 1 and 2, the remote switch module includes:
a first communication device;
the second communication device and the first communication device are both used for being in signal connection with the remote terminal and receiving communication signals;
the first controller is electrically connected with the first communication device and is used for responding to the communication signal to output a switching signal;
the second controller is electrically connected with the second communication device and is used for responding to the communication signal to output a reading state signal;
the execution switch Q1 is connected to the first controller and is used for connecting equipment and responding to a switch signal to control the equipment to start and stop; and a state detector, connected to the second controller, for detecting the switching state of the execution switch Q1 in response to the read state signal.
The first communication device and the second communication device can adopt at least one communication protocol in wifi, GPRS, loRa, zigBee and cellular networks, for example, a GPRS module of SIM800C type is adopted, remote communication between a remote terminal and the first communication device and between the remote terminal and the second communication device can be realized through wifi, GPRS, loRa, zigBee and the cellular networks, when a plurality of first communication devices exist, communication signals are sent to the appointed first communication devices according to the sending addresses, and misoperation is reduced.
The first controller and the second controller can both adopt a singlechip, the two can receive communication signals, the second communication device corresponds to at least two first communication devices, the second communication devices bound with the first communication devices can synchronously receive all communication signals, the second controller detects the switch state of the execution switch Q1 corresponding to the first communication device sent by the communication signals through the state detector, and when the switch state is detected to be unchanged in response to the communication signals, the execution switch Q1 is controlled to act and a prompt signal is sent to a remote terminal, and the second controller is provided with a pin for outputting the switch signal.
The second controller is provided with a delay program, can trigger delay after the communication signal is input, and outputs a read state signal after a set time, for example, 100ms, for delaying the input signal of the read state detector, delaying the switch state of the read execution switch Q1, and determining whether the switch state of the execution switch Q1 is changed in response to the communication signal, so that the first controller has sufficient time to control the on-off of the execution switch Q1, and erroneous judgment is reduced.
The execution switch Q1 can adopt an MOS tube, can control the on-off of a loop of equipment through the control of a switch signal, and can output the switch signal through the first controller or the second controller for on-off control.
Each first communication device corresponds to at least one execution switch Q1, so that the first controller can control the on-off of the execution switches Q1, the second communication device can monitor the first communication devices, and when the state of one execution switch Q1 is not changed in response to a communication signal, the first communication device or the execution switch Q1 or the first controller with faults can be determined, thereby reducing the troubleshooting workload of maintenance personnel and improving the maintenance efficiency.
Referring to fig. 2, the state detector includes a voltage detecting element and a first resistor RT1, an input end of the voltage detecting element is connected to one end of the executing switch Q1, two ends of the first resistor RT1 are connected in series in a loop of the executing switch Q1, and the voltage detecting element may adopt the characteristics of LN61C, LN 61C: when VIN is higher than VDF, VOUT is output to high level, when VIN is lower than VDF, VOUT is output to low level, therefore LN61C outputs high level when executing switch Q1 is on, the second controller receives high level signal, LN61C outputs low level when executing switch Q1 is off, the second controller receives low level signal, when the second controller receives communication signal of the second communication device, and when voltage signal received by the second controller is unchanged, prompt signal is sent to remote terminal through the second communication device, prompt signal includes number of first communication device and/or first controller and/or executing switch Q1 with abnormality.
Because the power supply loops of different loads have larger difference, the first resistor RT1 adopts a variable resistor, the resistance value of the variable resistor is adjustable, and when the current value in the power supply loop of the load is larger, the resistance value of the variable resistor can be reduced, so that the state detector is prevented from being damaged.
The implementation principle of the remote switch module in the first embodiment of the application is as follows: when the remote terminal sends a signal, the first communication device and the second communication device both receive the communication signal, the first controller responds to the communication signal to control the execution switch Q1 to act, the start and stop of the control equipment of the execution switch Q1 are performed, the state detector detects the switch state of the execution switch Q1, the second controller reads the switch state of the execution switch Q1, when the switch state is unchanged, the second communication device controls the execution switch Q1 to act and sends a prompt signal to the remote terminal, and a worker is prompted to maintain the first communication device or the first controller in time, so that the response success rate of the remote switch is improved.
Embodiment two:
the main difference from the first embodiment is that, referring to fig. 3, the first embodiment is suitable for dc voltage detection, the second embodiment is suitable for ac voltage detection, the state detector includes a current transformer T1, the current transformer T1 is connected in series in a loop for executing the switch Q1 and the device (load), the current transformer T1 is connected with a rectifier VD, an output end of the rectifier VD is connected in series with a second resistor RT2 and a freewheel inductor L1, and an output end of the rectifier VD is connected to an input end of the LN61C, and an output end of the LN61C is connected to a second controller.
The implementation principle of the remote switch module in the second embodiment of the present application is as follows: when the execution switch Q1 is turned on, the LN61C outputs a high level, the second controller receives a high level signal, when the execution switch Q1 is turned off, the LN61C outputs a low level, the second controller receives a low level signal, when the second controller receives a communication signal of the second communication device, and when the voltage signal received by the second controller is unchanged, a prompt signal is sent to the remote terminal through the second communication device, so as to prompt a worker to maintain the first communication device or the first controller or the execution switch Q1.
Embodiment III:
the main difference between the first embodiment and the second embodiment is that the first embodiment adopts the own delay program of the second controller to control, and the signal delay device is connected between the second communication device and the second controller or between the second controller and the state detector, and the signal delay device can adopt a time relay, such as DH48S, or a programmable delay device, such as TPS3840DL30DBVRQ1, to delay triggering the switch state of the read execution switch Q1, so that the first controller has sufficient time to control the on-off of the execution switch Q1, thereby reducing erroneous judgment.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (8)
1. A remote switch module, comprising:
a first communication device;
the second communication device and the first communication device are both used for being in signal connection with the remote terminal and receiving communication signals;
the first controller is electrically connected with the first communication device and is used for responding to the communication signal to output a switching signal;
the second controller is electrically connected with the second communication device and is used for responding to the communication signal to output a reading state signal;
the execution switch is connected to the first controller and is used for connecting equipment and responding to a switch signal to control the equipment to start and stop; a kind of electronic device with high-pressure air-conditioning system
A state detector, connected to the second controller, for detecting a switching state of the execution switch in response to the read state signal;
the second controller is also used for controlling to execute the switching action and sending a prompt signal to the remote terminal when detecting that the switching state is not changed in response to the communication signal.
2. The remote switch module of claim 1, wherein the first and second communication devices employ at least one of wifi, GPRS, loRa, zigBee and cellular networks.
3. The remote switch module as set forth in claim 1, wherein a signal delay is connected between the second controller and the status detector.
4. The remote switch module as set forth in claim 1, wherein a signal delay is connected between the second communication device and the second controller.
5. The remote switch module as claimed in claim 1, wherein the status detector comprises a voltage detecting member and a first resistor, wherein an input end of the voltage detecting member is connected to one end of the executing switch and an output end of the voltage detecting member is connected to the second controller, and one end of the first resistor is connected to one end of the executing switch, and the other end of the first resistor is connected to a connection point between one end of the voltage detecting member and the device.
6. The remote switch module as set forth in claim 5, wherein the first resistor is a variable resistor.
7. The remote switch module of claim 1, wherein the status detector comprises a current transformer in series in a loop of the implement switch and device.
8. The remote switch module of claim 1, wherein the second communication device corresponds to at least two first communication devices, each first communication device corresponding to at least one of the execution switches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320258456.2U CN219285616U (en) | 2023-02-08 | 2023-02-08 | Remote switch module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320258456.2U CN219285616U (en) | 2023-02-08 | 2023-02-08 | Remote switch module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219285616U true CN219285616U (en) | 2023-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320258456.2U Active CN219285616U (en) | 2023-02-08 | 2023-02-08 | Remote switch module |
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| Country | Link |
|---|---|
| CN (1) | CN219285616U (en) |
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- 2023-02-08 CN CN202320258456.2U patent/CN219285616U/en active Active
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