Safety switch device and circuit break control system

Abstract

The invention discloses a safety switch device and a circuit break control system, and relates to the technical field of power supply, and the safety switch device comprises a circuit breaker, a controller and an HPLC module. Through connection of the HPLC module and the northbound network, modulation carrier waves can be transmitted through a power line so that high-speed communication with strong anti-interference capability can be realized between the controller and the northbound network, and a user can quickly and accurately send a control instruction through the northbound network and transmit the control instruction to the controller through the HPLC module. And the controller controls the on-off state of the circuit breaker according to the received control instruction, so that the on-off state of a connection loop between two sections of power transmission cables can be quickly, accurately and remotely switched. The situation that remote wireless control over the circuit breaker fails due to huge electromagnetic interference generated when the power transmission cable transmits high voltage is avoided. The control speed is higher, the control effect is more stable, and the safety of the power transmission cable can be effectively ensured.

Description

Technical Field

[0001] The present application relates to the technical field of power supply, and in particular to a safety switch device and a circuit breaker control system. Background Art

[0002] With the continuous development of science and technology, power grid technology is developing towards intelligence. Circuit breakers are installed at some important power grid nodes to control the on and off of power transmission cables, thereby controlling the transmission of power. Due to the high-voltage characteristics of the power grid, a large electric field will be generated in an environment with excessively high voltage. Excessive electric fields can cause danger to workers on site. Therefore, the controller of the circuit breaker generally needs to be set away from the control center to keep workers away from high-voltage areas as much as possible. However, if the distance between the control center and the circuit breaker is too far, the control speed will be too slow, and even if wireless communication with faster communication speed is used for control, it will fail due to electromagnetic interference generated by the high-voltage electric field, making it difficult to quickly and safely remotely control the on and off status of the circuit breaker. Summary of the invention

[0003] The main purpose of the present application is to provide a safety switch device and a circuit breaker control system, aiming to solve the technical problem of how to remotely control the on and off states of a circuit breaker more stably and quickly.

[0004] To achieve the above-mentioned purpose, an embodiment of the present application provides a safety switch device, the safety switch device comprising: a circuit breaker, a controller and an HPLC module; The controller is connected to the control end of the circuit breaker and the HPLC module respectively through a communication bus, and the HPLC module is also connected to the northbound network through the communication bus. The circuit breaker is arranged between two sections of power transmission cables; The HPLC module is used to transmit the control instructions sent by the northbound network to the controller; The controller is used to control the circuit breaker to switch the switch state based on the control instruction; The circuit breaker is used to open or close the connection loop between the two sections of the power transmission cable based on the switch state.

[0005] In one embodiment, the controller is further used to obtain corresponding switch status information when controlling the circuit breaker to switch the switch state, and transmit the switch status information to the northbound network through the HPLC module.

[0006] In one embodiment, the controller is further connected to a southbound network via a communication bus, and the southbound network is connected to a sub-safety switch device; The controller is further used to receive the sub-switch status information sent by the sub-safety switch device through the southbound network, and transmit the sub-switch status information to the northbound network through the HPLC module.

[0007] In one embodiment, the communication bus is any one of a CAN communication bus and a 645 communication bus.

[0008] In one embodiment, the safety switch device comprises: a detection module; The detection modules are respectively connected to one section of the power transmission cable and the controller; The detection module is used to send a fault signal to the controller when it is detected that the zero-crossing point of the three-phase alternating current transmitted by the power transmission cable is not the theoretical zero-crossing point; The controller is further configured to control the switch state of the circuit breaker to switch to an off state when receiving the fault signal; The circuit breaker is further used to cut off the connection loop between the two sections of the power transmission cable when the switch state is switched to the off state.

[0009] In one embodiment, the safety switch device further comprises: a voltage conversion module; The voltage conversion module is respectively connected to one section of the power transmission cable and the controller; The voltage conversion module is used to convert the three-phase alternating current received from the power transmission cable into low-voltage direct current, and transmit the low-voltage direct current to the controller to supply power to the controller.

[0010] In one embodiment, the safety switch device further comprises: an energy storage module; The energy storage module is respectively connected to the voltage conversion module and the controller; The voltage conversion module is further configured to transmit the corresponding low-voltage direct current to the energy storage module when receiving the three-phase alternating current, so as to charge the energy storage module; The energy storage module is also used to provide the low-voltage direct current to the controller when charging is stopped, thereby temporarily powering the controller.

[0011] In one embodiment, the safety switch device further includes: a Flash memory and a key module; The Flash memory is connected to the controller, and the button module is connected to the controller; The Flash memory is used to store the working mode program and transmit the working mode program to the controller; The button module is used to send a corresponding mode selection signal to the controller when triggered by the user; The controller is further used to select a corresponding working mode based on the working mode program and the mode selection signal, and control the working state of the HPLC module based on the working mode.

[0012] In one embodiment, the safety switch device further comprises: a display module; The display module is connected to the controller and is used to display the current working mode of the controller.

[0013] In addition, to achieve the above-mentioned purpose, the present application also provides a circuit breaker control system, which adopts the safety switch device as described above.

[0014] The embodiment of the present application provides a safety switch device and a circuit breaker control system, the safety switch device includes: a circuit breaker, a controller and an HPLC module; the controller is connected to the control end of the circuit breaker and the HPLC module respectively through a communication bus, the HPLC module is also connected to the northbound network through the communication bus, the circuit breaker is set between two sections of power transmission cables; the HPLC module is used to transmit the control instruction sent by the northbound network to the controller; the controller is used to control the circuit breaker to switch the switch state based on the control instruction; the circuit breaker is used to turn on or off the connection loop between the two sections of the power transmission cables based on the switch state. Through the HPLC module connected to the northbound network, the modulated carrier can be transmitted through the power line to achieve high-speed communication with strong anti-interference ability between the controller and the northbound network. The user can quickly and accurately send control instructions through the northbound network and transmit them to the controller through the HPLC module. The controller controls the on-off state of the circuit breaker according to the received control instructions, so that the on-off state of the connection loop between two sections of power transmission cables can be quickly and accurately switched remotely, avoiding the situation where the remote wireless control of the circuit breaker fails due to the huge electromagnetic interference generated by the transmission of high voltage electricity by the power transmission cable. The control speed is faster and the control effect is more stable, which can effectively ensure the safety of power transmission cables. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and, together with the description, serve to explain the principles of the present application.

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0017] Figure 1 A structural connection diagram provided for the first embodiment of the safety switch device of the present application; Figure 2 A structural connection diagram provided for the second embodiment of the safety switch device of the present application; Figure 3 This is a structural connection diagram provided for Example 3 of the safety switch device of this application.

[0018] The purpose, features and advantages of this application will be further described in conjunction with the embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0019] It should be understood that the specific embodiments described herein are only used to explain the technical solutions of the present application and are not used to limit the present application.

[0020] In order to better understand the technical solution of the present application, a detailed description will be given below in conjunction with the accompanying drawings and specific implementation methods.

[0021] This application proposes a safety switch device of the first embodiment, please refer to Figure 1 , the safety switch device comprises: a circuit breaker 10, a controller 20 and an HPLC module 30; The controller 20 is connected to the control end of the circuit breaker 10 and the HPLC module 30 through a communication bus, and the HPLC module 30 is also connected to the northbound network through a communication bus. The circuit breaker 10 is arranged between two sections of power transmission cables; The HPLC module 30 is used to transmit the control instructions sent by the northbound network to the controller 20; The controller 20 is used to control the circuit breaker 10 to switch the switch state based on the control instruction; The circuit breaker 10 is used to open or close the connection circuit between the two sections of the power transmission cable based on the switch state.

[0022] It should be noted that, in this embodiment, the HPLC module 30 refers to a functional module capable of realizing high-speed power line communication (HPLC), which can utilize power lines to transmit data and information at high speed and stably, can establish a wireless communication relationship with the northbound network through a built-in antenna or an external antenna, and realize two-way information transmission between the controller 20 and the northbound network through wavelength division multiplexing, and the information transmission is fast, stable and efficient.

[0023] It is easy to understand that in this embodiment, a power line is provided between the northbound network and the HPLC module 30. The user can send corresponding control instructions to the northbound network based on his own needs. The northbound network modulates the control instructions into a carrier signal and transmits them to the HPLC module 30 through the power line. When the HPLC module 30 identifies the carrier signal, it demodulates it, restores the control instruction, and transmits the restored control instruction to the controller 20. The controller 20 generates a corresponding switch signal based on the control information contained in the received control instruction, and sends the switch signal to the control end of the circuit breaker 10. When the circuit breaker 10 receives the switch signal, it switches its switch state. Among them, the switch state includes a conducting state and an off state. When the circuit breaker 10 is in the conducting state, the connection loop between the two sections of the power transmission cable can be connected to transmit power; when the circuit breaker 10 is in the off state, the connection loop between the two ends of the power transmission cable can be cut off to stop the power transmission. Through the above method, the connection status of the two sections of power transmission cables can be controlled in a remote area, which is very safe. Since the HPLC communication technology has good noise resistance, it can also perform high-speed, stable and accurate signal transmission in a high-voltage environment with strong electromagnetic interference, thereby improving the control accuracy, control speed and control distance of the circuit breaker 10.

[0024] It is worth noting that in this embodiment, the controller 20 may include a master control unit and a slave control unit. The master control unit may use an ESP32 chip as the control core, and the slave control unit may use an STC8H1K08 chip as the core. The slave control unit mainly provides more GPIO interfaces, serial ports, and communication interfaces for the master control unit, which is convenient for subsequent technical iterations and functional expansion. In addition, the master control unit and the slave control unit may establish a connection relationship using an IIC bus, and the IIC bus may also be connected to a real-time clock module (RTC). The RTC module is used to provide a clock signal for the master control unit and the slave control unit, and can provide an accurate time axis for the working sequence of the master control unit and the slave control unit, thereby ensuring the accuracy and synchronization of the work of the two.

[0025] It should be noted that the HPLC module 30 can actually be independently arranged outside the controller 20 as a separate functional module, or can be integrated into the controller 20 as a functional module. As a preferred example, in this embodiment, the HPLC module 30 can be integrated into the controller 20, specifically arranged in the part connected to the slave control unit, and can be connected to the slave control unit through a corresponding communication bus, so that the main control unit can receive the control instruction sent by the northbound network through the slave control unit and the HPLC module 30 in the corresponding communication protocol, thereby completing the control of the switch state of the circuit breaker 10.

[0026] The embodiment of the present application provides a safety switch device, the safety switch device includes: a circuit breaker, a controller and an HPLC module; the controller is connected to the control end of the circuit breaker and the HPLC module respectively through a communication bus, the HPLC module is also connected to the northbound network through the communication bus, the circuit breaker is set between two sections of power transmission cables; the HPLC module is used to transmit the control instruction sent by the northbound network to the controller; the controller is used to control the circuit breaker to switch the switch state based on the control instruction; the circuit breaker is used to turn on or off the connection loop between the two sections of the power transmission cables based on the switch state. Through the HPLC module connected to the northbound network, the modulated carrier can be transmitted through the power line to achieve high-speed communication with strong anti-interference ability between the controller and the northbound network. The user can quickly and accurately send control instructions through the northbound network and transmit them to the controller through the HPLC module. The controller controls the on-off state of the circuit breaker according to the received control instructions, so that the on-off state of the connection loop between two sections of power transmission cables can be quickly and accurately switched remotely, avoiding the situation where the remote wireless control of the circuit breaker fails due to the huge electromagnetic interference generated by the transmission of high voltage electricity by the power transmission cable. The control speed is faster and the control effect is more stable, which can effectively ensure the safety of power transmission cables.

[0027] Based on the first embodiment of the present application, in the second embodiment of the present application, the same or similar contents as those in the above-mentioned embodiment 1 can refer to the above introduction, and will not be repeated later. Figure 2 The controller 20 is also used to obtain corresponding switch status information when controlling the circuit breaker 10 to switch the switch state, and transmit the switch status information to the northbound network through the HPLC module 30.

[0028] It should be noted that, in this embodiment, when the controller 20 sends a switch signal to the circuit breaker 10, it can determine the current switch state of the circuit breaker 10. If an on signal is sent, it is determined that the circuit breaker 10 is in the on state, and if an off signal is sent, it is determined that the circuit breaker 10 is in the off state. According to the determination result, a corresponding switch state signal can be generated, and the switch state signal is modulated by the HPLC module 30 to obtain a corresponding carrier signal, and is transmitted to the northbound network through the power line, and then transmitted to the communication terminal at the user through the northbound network, so as to inform the user of the current switch state of the circuit breaker 10, that is, the switch state of the safety switch device.

[0029] Furthermore, in this embodiment, the controller 20 is also connected to a southbound network via a communication bus, and the southbound network is connected to a sub-safety switch device 40; The controller 20 is further configured to receive the sub-switch status information sent by the sub-safety switch device 40 through the southbound network, and transmit the sub-switch status information to the northbound network through the HPLC module 30 .

[0030] It should be noted that the sub-safety switch device 40 is used to control the on-off state of the connection loop between other power transmission lines. The sub-switch state information is the relevant information indicating the on-off state of the sub-safety switch device 40. In this embodiment, the controller 20 can be connected to the southbound network through a bus, and the southbound network can also be connected to a number of sub-safety switch devices 40 with the same or similar internal structure as the safety switch device mentioned in this application. The controller 20 in the current safety switch device can communicate with other sub-safety switch devices 40 through the southbound network. Using the master-slave mode, the current safety switch device can be used as an information transmission transfer station to realize information interaction between each sub-safety switch device 40 and the northbound network. For example, the sub-safety switch device 40 can send its own sub-switch state information to the controller 20 through the southbound network, and the controller 20 then transmits the received sub-switch state information to the northbound network through the HPLC module 30, and then transmits it to the communication terminal at the user through the northbound network to inform the user of the switch state of each corresponding sub-safety switch device 40. In this way, the communication addresses of the safety switch device and each sub-safety switch device 40 can be configured more conveniently, thus saving communication resources, and the number of sub-safety switch devices 40 can reach at least 30.

[0031] Furthermore, in this embodiment, the communication bus is any one of a CAN communication bus and a 645 communication bus.

[0032] It should be noted that, in this embodiment, the controller 20 can use the CAN communication bus and the 645 communication bus to communicate with the southbound network, among which the 645 communication bus is preferred. The 645 communication bus adopts the DL / T645 protocol and supports multiple physical communication methods, such as RS-485 bus communication method, infrared communication method and wireless communication method, which is convenient for subsequent technical iteration and function expansion.

[0033] Further, in this embodiment, the safety switch device includes: a detection module 50; The detection module 50 is respectively connected to one section of the power transmission cable and the controller 20; The detection module 50 is used to send a fault signal to the controller 20 when it is detected that the zero-crossing point of the three-phase alternating current transmitted by the power transmission cable is not the theoretical zero-crossing point; The controller 20 is further configured to control the switch state of the circuit breaker 10 to switch to the off state when receiving the fault signal; The circuit breaker 10 is also used to cut off the connection loop between the two sections of the power transmission cable when the switch state is switched to the off state.

[0034] It should be noted that, in the present embodiment, a detection module 50 can also be provided between the power transmission cable and the controller 20, and the detection module 50 is used to collect the three-phase alternating current transmitted in the current circuit transmission cable, obtain the zero crossing points corresponding to the three-phase alternating current, and compare the obtained zero crossing points with the pre-set theoretical zero crossing points, and judge whether the three-phase alternating current transmitted by the current power transmission cable is abnormal. If the obtained zero crossing point differs too much from the theoretical zero crossing point, or the zero crossing point cannot be obtained, it can be determined that the current power transmission cable is abnormal. The inspection module can generate a fault signal correspondingly, and transmit the fault signal to the controller 20, and the controller 20 automatically sends a shutdown signal to the control end of the circuit breaker 10 based on the received fault signal. The circuit breaker 10 automatically switches its switch state to the shutdown state due to receiving the shutdown signal, and then cuts off the power transmission cable connected at both ends, prevents abnormal power from being transmitted to the subsequent circuit, and protects the subsequent circuit.

[0035] It is worth noting that in this embodiment, if the controller 20 controls the circuit breaker 10 to switch to the off state, it will also quickly upload the corresponding switch status signal to the northbound network through the HPLC module 30, and then transmit it to the user's communication terminal through the northbound network to inform that the power transmission cable where the current safety switch device is located may be abnormal and requires manual confirmation and repair.

[0036] Based on the first embodiment and / or the second embodiment of the present application, in the third embodiment of the present application, the same or similar contents as those of the above-mentioned first and second embodiments can refer to the above introduction, and will not be repeated later. Figure 3 , the safety switch device further comprises: a voltage conversion module 60; The voltage conversion module 60 is respectively connected to one section of the power transmission cable and the controller 20; The voltage conversion module 60 is used to convert the three-phase alternating current received from the power transmission cable into low-voltage direct current, and transmit the low-voltage direct current to the controller 20 to supply power to the controller 20 .

[0037] It should be noted that, in this embodiment, a voltage conversion module 60 may also be provided between the power transmission cable and the controller 20. The voltage conversion module 60 contains an AC / DC converter and a DC / DC converter, which can first convert the three-phase AC power transmitted in the power transmission cable into high-voltage DC power, and then convert the high-voltage DC power into low-voltage DC power to provide power for the controller 20.

[0038] Furthermore, in this embodiment, the safety switch device further includes: an energy storage module 70; The energy storage module 70 is respectively connected to the voltage conversion module 60 and the controller 20; The voltage conversion module 60 is further used to transmit the corresponding low-voltage direct current to the energy storage module 70 when receiving the three-phase alternating current, so as to charge the energy storage module 70; The energy storage module 70 is also used to provide the low-voltage direct current to the controller 20 when charging is stopped, so as to temporarily power the controller 20 .

[0039] It should be noted that, in this embodiment, an energy storage module 70 is also provided between the voltage conversion module 60 and the controller 20. When the voltage conversion module 60 is working normally, the low voltage DC power obtained by the conversion will be transmitted to the energy storage module 70 to charge the energy storage module 70 until the energy storage module 70 is fully charged. When the power transmission cable is suddenly powered off, the voltage conversion module 60 stops working and no longer supplies power to the controller 20 and the energy storage module 70. At this time, the energy storage module 70 can use the stored electric energy to temporarily power the controller 20 in a short time, so that the controller 20 can complete a certain work in a short time. For example, the controller 20 can switch the switch state of the circuit breaker 10 to the off state in this short period of time to prevent the danger caused by the excessive sudden change of the voltage on the power transmission cable when a sudden call comes later. In addition, the controller 20 can also transmit the corresponding switch state signal to the northbound network through the HPLC module 30 during this period of time, and then transmit it to the user's communication terminal through the northbound network to inform the user that the power transmission cable at that place suddenly loses power, so that the user can find out the cause of the power outage and narrow the scope of investigation.

[0040] Furthermore, in this embodiment, the safety switch device further includes: a Flash memory 80 and a key module 90; The Flash memory 80 is connected to the controller 20, and the key module 90 is connected to the controller 20; The Flash memory 80 is used to store the working mode program and transmit the working mode program to the controller 20; The button module 90 is used to send a corresponding mode selection signal to the controller 20 when triggered by the user; The controller 20 is further configured to select a corresponding working mode based on the working mode program and the mode selection signal, and control the working state of the HPLC module 30 based on the working mode.

[0041] It should be noted that, in this embodiment, the Flash memory 80 is mainly used to store some control programs, such as the working mode program containing the working mode of the safety switch device that can realize the corresponding function. In addition, the Flash memory 80 can also be used to store some data, such as the zero-crossing data of the three-phase AC power collected in a certain time period and other important data or information.

[0042] It is easy to understand that in this embodiment, the Flash memory 80 can transmit the internally stored working mode program to the controller 20 when powered on, and the controller 20 performs initialization configuration after powering on and receiving the working mode program. After the controller 20 completes the initialization configuration, it can perform specific operations based on some specific signals transmitted externally. For example, when the user triggers the button module 90, the button module 90 can transmit the corresponding mode selection signal to the controller 20. After the controller 20 completes the initialization configuration, it can switch the current working mode of the controller 20 based on the received mode selection signal, or understand it as the current working mode of the safety switch device.

[0043] It should be noted that the controller 20 can also connect to a 4G / 5G wireless network through a built-in antenna or an external antenna. The 4G / 5G network is mainly used for testing. In this embodiment, the working mode may include a debugging mode, a test mode, and a normal working mode. In the test mode, the HPLC module 30 can be suspended, and the controller 20 communicates directly with the user's communication device through the 4G / 5G network. In the normal working mode, the HPLC module 30 needs to be enabled to realize information transmission between the controller 20 and the northbound network.

[0044] Furthermore, in this embodiment, the safety switch device further includes: a display module 100; The display module 100 is connected to the controller 20 and is used to display the current working mode of the controller 20.

[0045] It should be noted that, in this embodiment, the display module 100 may include a display unit and a warning light unit, and the display unit may directly display the working mode of the current controller 20 in the form of text, images, numbers, etc. In addition, the warning light unit may also display the working mode of the current controller 20 or the on / off state of a communication channel in the form of light color, flashing state, etc., so that the user can confirm whether the current safety switch device has a fault on site.

[0046] Furthermore, in this embodiment, the controller 20 also has a hardware version detection interface. The resistance values ​​set inside the controller 20 of different hardware versions are different. Therefore, the current hardware version of the controller 20 can be determined by detecting the resistance value of the hardware version detection interface of the controller 20 to facilitate compatible software and hardware settings.

[0047] In addition, to achieve the above-mentioned purpose, the embodiment of the present application also proposes a circuit breaker control system, which adopts the safety switch device as described above. Since the circuit breaker control system adopts all the embodiments of the safety switch device as described above, the beneficial effects of the circuit breaker control system provided by the embodiment of the present application are the same as the beneficial effects of the safety switch device provided by the above-mentioned embodiments, and the other technical features of the circuit breaker control system are the same as the features disclosed in the above-mentioned embodiments, which will not be repeated here.

[0048] The above are only preferred embodiments of the present application, and are not intended to limit the patent scope of the present application. Any equivalent structure or equivalent process transformation made using the contents of the present application specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent processing scope of the present application.

Claims

1. A safety switch device, characterized in that: The safety switch device comprises: a circuit breaker, a controller and an HPLC module; The controller is connected to the control end of the circuit breaker and the HPLC module respectively through a communication bus, and the HPLC module is also connected to the northbound network through the communication bus. The circuit breaker is arranged between two sections of power transmission cables; The HPLC module is used to transmit the control instructions sent by the northbound network to the controller; The controller is used to control the circuit breaker to switch the switch state based on the control instruction; The circuit breaker is used to open or close the connection loop between the two sections of the power transmission cable based on the switch state.

2. The safety switch device according to claim 1, characterized in that: The controller is also used to obtain corresponding switch status information when controlling the circuit breaker to switch the switch state, and transmit the switch status information to the northbound network through the HPLC module.

3. The safety switch device according to claim 1, characterized in that: The controller is also connected to a southbound network via a communication bus, and the southbound network is connected to a sub-safety switch device; The controller is further used to receive the sub-switch status information sent by the sub-safety switch device through the southbound network, and transmit the sub-switch status information to the northbound network through the HPLC module.

4. The safety switch device according to claim 3, characterized in that: The communication bus is any one of a CAN communication bus and a 645 communication bus.

5. The safety switch device according to claim 1, characterized in that: The safety switch device comprises: a detection module; The detection modules are respectively connected to one section of the power transmission cable and the controller; The detection module is used to send a fault signal to the controller when it is detected that the zero-crossing point of the three-phase alternating current transmitted by the power transmission cable is not the theoretical zero-crossing point; The controller is further configured to control the switch state of the circuit breaker to switch to an off state when receiving the fault signal; The circuit breaker is further used to cut off the connection loop between the two sections of the power transmission cable when the switch state is switched to the off state.

6. The safety switch device according to claim 1, characterized in that: The safety switch device further comprises: a voltage conversion module; The voltage conversion module is respectively connected to one section of the power transmission cable and the controller; The voltage conversion module is used to convert the three-phase alternating current received from the power transmission cable into low-voltage direct current, and transmit the low-voltage direct current to the controller to supply power to the controller.

7. The safety switch device according to claim 6, characterized in that: The safety switch device further comprises: an energy storage module; The energy storage module is respectively connected to the voltage conversion module and the controller; The voltage conversion module is further configured to transmit the corresponding low-voltage direct current to the energy storage module when receiving the three-phase alternating current, so as to charge the energy storage module; The energy storage module is also used to provide the low-voltage direct current to the controller when charging is stopped, thereby temporarily powering the controller.

8. The safety switch device according to claim 1, characterized in that: The safety switch device also includes: a Flash memory and a key module; The Flash memory is connected to the controller, and the button module is connected to the controller; The Flash memory is used to store the working mode program and transmit the working mode program to the controller; The button module is used to send a corresponding mode selection signal to the controller when triggered by the user; The controller is further used to select a corresponding working mode based on the working mode program and the mode selection signal, and control the working state of the HPLC module based on the working mode.

9. The safety switch device according to claim 8, characterized in that: The safety switch device further comprises: a display module; The display module is connected to the controller and is used to display the current working mode of the controller.

10. A circuit breaker control system, characterized in that: The circuit breaker control system adopts the safety switch device as described in any one of claims 1-9.

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