Testing device and method for power distribution equipment

Abstract

The invention discloses a testing device and method for power distribution equipment. The device comprises a main switch module which is used for providing electric energy for an inverter module in the testing device and a main control unit in the testing device; the inverter module is connected with the main switch module and used for controlling output current provided for the first power distribution switch monitoring terminal and the second power distribution switch monitoring terminal; the power supply module of the first power distribution switch monitoring terminal is used for providing electric energy for the first power distribution switch monitoring terminal; the power supply module of the second power distribution switch monitoring terminal is connected with the power supply module of the first power distribution switch monitoring terminal and is used for providing electric energy for the second power distribution switch monitoring terminal; and the main control unit is connected with the inverter module, the power supply module of the first power distribution switch monitoring terminal and the power supply module of the second power distribution switch monitoring terminal. The technical problem that the efficiency of testing the power distribution equipment is low is solved.

Description

Technical Field

[0001] The present application relates to the technical field of power system automation, and in particular to a testing device and method for power distribution equipment. Background Art

[0002] At present, power distribution equipment is a key component of smart grids. It can monitor, protect and control the power grid system in operation, and the condition of the power distribution equipment will affect the safe and stable operation of the power grid system. Since most of the power distribution equipment operates in outdoor environments, it will accelerate the corrosion and aging of the equipment, resulting in problems such as rusty terminals, poor contact, controller circuit board failure, and circuit disconnection. Therefore, it is necessary to perform functional verification of the power distribution equipment regularly.

[0003] In the related art, a relay protection device is usually used to perform a single current and voltage test on the power distribution equipment, and each step of the test requires manual setting of parameters, which results in a technical problem of low efficiency in testing the power distribution equipment.

[0004] To address the above-mentioned problems, no effective solution has been proposed yet. Summary of the invention

[0005] The embodiments of the present application provide a testing device and method for power distribution equipment to at least solve the technical problem of low efficiency in testing power distribution equipment.

[0006] According to one aspect of an embodiment of the present application, a test device for a power distribution device is provided. The device may include: a main switch module, which is used to provide power to an inverter module in the test device and a main control unit in the test device; an inverter module, which is connected to the main switch module, and is used to control the output current provided to a first distribution switch monitoring terminal and a second distribution switch monitoring terminal; a power supply module of the first distribution switch monitoring terminal, which is used to provide power to the first distribution switch monitoring terminal and control the operation state of the first distribution switch monitoring terminal; a power supply module of the second distribution switch monitoring terminal, which is connected to the power supply module of the first distribution switch monitoring terminal, and is used to provide power to the second distribution switch monitoring terminal and control the operation state of the second distribution switch monitoring terminal; a main control unit, which is connected to the inverter module, the power supply module of the first distribution switch monitoring terminal, and the power supply module of the second distribution switch monitoring terminal, and is used to control the on-off state of the inverter module, the on-off state of the power supply module of the first distribution switch monitoring terminal, and the on-off state of the power supply module of the second distribution switch monitoring terminal, and is used to display the current information of the output current.

[0007] Optionally, the inverter module includes: an inverter connected to the main switch module for generating an output current; a current side relay connected to the inverter for controlling the flow of the output current; a rheostat connected to the current side relay for adjusting the magnitude of the output current; a current transformer connected to the rheostat for measuring the magnitude of the output current; and a current detection module connected to the current transformer for collecting the output current and sending the collected output current to the main control unit.

[0008] Optionally, the power module of the first distribution switch monitoring terminal includes: a power relay of the first distribution switch monitoring terminal, which is used to control the electric energy provided to the first distribution switch monitoring terminal.

[0009] Optionally, the power module of the second power distribution switch monitoring terminal includes: a power relay of the second power distribution switch monitoring terminal, which is used to control the power provided to the second power distribution switch monitoring terminal.

[0010] Optionally, the device also includes: a power side module of the first distribution switch monitoring terminal, which is connected to the inverter module and is used to control the power output of the first distribution switch monitoring terminal; a load side module of the first distribution switch monitoring terminal, which is connected to the inverter module and is used to control the load output of the first distribution switch monitoring terminal; a power side module of the second distribution switch monitoring terminal, which is connected to the inverter module and is used to control the power output of the second distribution switch monitoring terminal; and a load side module of the second distribution switch monitoring terminal, which is connected to the inverter module and is used to control the load output of the second distribution switch monitoring terminal.

[0011] Optionally, the power side module of the first distribution switch monitoring terminal includes: a power side relay of the first distribution switch monitoring terminal, connected to the inverter module, and used to control the power energy on the power side of the first distribution switch monitoring terminal; a self-resetting fuse, connected to the power side relay of the first distribution switch monitoring terminal, and used to control the on / off state of the power side circuit of the first distribution switch monitoring terminal.

[0012] Optionally, the load side module of the first distribution switch monitoring terminal includes: a load side relay of the first distribution switch monitoring terminal, connected to the inverter module, and used to control the load side power of the first distribution switch monitoring terminal; a self-resetting fuse, connected to the load side relay of the first distribution switch monitoring terminal, and used to control the on-off state of the load side circuit of the first distribution switch monitoring terminal.

[0013] Optionally, the power side module of the second distribution switch monitoring terminal includes: a power side relay of the second distribution switch monitoring terminal, connected to the inverter module, and used to control the power energy on the power side of the second distribution switch monitoring terminal; a self-resetting fuse, connected to the power side relay of the second distribution switch monitoring terminal, and used to control the on / off state of the power side circuit of the second distribution switch monitoring terminal.

[0014] Optionally, the load side module of the second distribution switch monitoring terminal includes: a load side relay of the second distribution switch monitoring terminal, connected to the inverter module, and used to control the load side power of the second distribution switch monitoring terminal; a self-resetting fuse, connected to the load side relay of the second distribution switch monitoring terminal, and used to control the on / off state of the load side circuit of the second distribution switch monitoring terminal.

[0015] Optionally, according to another aspect of the embodiment of the present application, a method for testing a power distribution device is provided. The method may include: obtaining a switch closing signal quantity sent by a distribution switch monitoring terminal to a main control unit; based on the switch closing signal quantity, controlling the main control unit to close the power supply side relay and the load side relay of the distribution switch monitoring terminal of the distribution switch monitoring terminal, and controlling the main control unit to send a switch closing return quantity to the distribution switch monitoring terminal; in the case where the distribution switch monitoring terminal receives the switch closing return quantity, controlling the distribution switch monitoring terminal to send a switch opening signal quantity to the main control unit; based on the switch opening signal quantity, controlling the main control unit to disconnect the power supply side relay and the load side relay of the distribution switch monitoring terminal of the distribution switch monitoring terminal, and controlling the main control unit to send a switch opening return quantity to the distribution switch monitoring terminal; in response to the distribution switch monitoring terminal receiving the switch opening return quantity, determining that the test result of the distribution switch monitoring terminal is a normal result.

[0016] According to another aspect of an embodiment of the present application, a non-volatile storage medium is also provided, including: the storage medium includes a stored program, wherein when the program is running, the device where the storage medium is located is controlled to execute any test method for power distribution equipment.

[0017] According to another aspect of an embodiment of the present application, there is also provided an electronic device, comprising: a processor; and a memory for storing instructions executable by the processor; wherein the processor is configured to execute instructions to implement any method for testing a power distribution device.

[0018] According to another aspect of the embodiment of the present application, a computer program product is further provided. The computer program product may include a computer program, wherein the computer program is configured to execute any of the above-mentioned testing methods for power distribution equipment when running.

[0019] According to another aspect of the embodiment of the present application, a computer program product is also provided. The computer program product may include a non-volatile computer-readable storage medium, wherein the non-volatile computer-readable storage medium stores a computer program, and the computer program is configured to execute any of the above-mentioned testing methods for power distribution equipment when running.

[0020] According to another aspect of the embodiment of the present application, a computer program is further provided, wherein the computer program is configured to execute any one of the above-mentioned testing methods for power distribution equipment when running.

[0021] In an embodiment of the present application, a main switch module is used to provide power to an inverter module in a test device and a main control unit in the test device; an inverter module is connected to the main switch module and is used to control an output current provided to a first distribution switch monitoring terminal and a second distribution switch monitoring terminal; a power supply module of the first distribution switch monitoring terminal is used to provide power to the first distribution switch monitoring terminal and control an operating state of the first distribution switch monitoring terminal; a power supply module of the second distribution switch monitoring terminal is connected to the power supply module of the first distribution switch monitoring terminal and is used to provide power to the second distribution switch monitoring terminal. Supply power and control the operating status of the second distribution switch monitoring terminal; the main control unit is connected to the inverter module, the power module of the first distribution switch monitoring terminal, and the power module of the second distribution switch monitoring terminal, and is used to control the on-off state of the inverter module, the on-off state of the power module of the first distribution switch monitoring terminal, and the on-off state of the power module of the second distribution switch monitoring terminal, and is used to display the current information of the output current, thereby achieving the technical effect of improving the efficiency of testing the distribution equipment, and then solving the technical problem of low efficiency in testing the distribution equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0023] Figure 1 is a schematic diagram of a testing device for power distribution equipment according to an embodiment of the present application;

[0024] Figure 2 is a flow chart of a method for testing power distribution equipment according to an embodiment of the present application;

[0025] Figure 3 It is a schematic diagram of an interface between a portable live verification device for power distribution automation functions and a FTU or DTU under test according to an embodiment of the present application;

[0026] Figure 4 It is a schematic diagram of an output electrical diagram of a portable live verification device for power distribution automation functions according to an embodiment of the present application;

[0027] Figure 5 It is a schematic diagram of an electrical diagram of an output quantity of another portable live verification device for power distribution automation functions according to an embodiment of the present application;

[0028] Figure 6is a schematic block diagram of an electronic device 600 according to an embodiment of the present application. DETAILED DESCRIPTION

[0029] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0030] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, device, product or equipment comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, products or equipment.

[0031] Figure 1 is a schematic diagram of a testing device for power distribution equipment according to an embodiment of the present application, such as Figure 1 As shown, the testing device 100 of the power distribution equipment may at least include: a main switch module 10, an inverter module 20, a power module 30 of a first distribution switch monitoring terminal, a power module 40 of a second distribution switch monitoring terminal and a main control unit 50.

[0032] The main switch module 10 is used to provide power to the inverter module in the test device and the main control unit in the test device.

[0033] Optionally, the main switch module 10 may include at least a 24V lithium battery and a 24V main switch button. The main switch module 10 may be used to provide power to the inverter module and the main control unit in the test device.

[0034] The inverter module 20 is connected to the main switch module and is used to control the output current provided to the first distribution switch monitoring terminal and the second distribution switch monitoring terminal.

[0035] Optionally, the inverter module 20 may include at least a 24V to 220V inverter, a current side relay, a 220V to 6V transformer, a 1 ohm resistor, a 10 ohm variable resistor, a current transformer, a current detection module, and a 0.5-4.2A (A) DC current output. The inverter module 20 is connected to the main switch module 10 and can be used to control the output current provided to the first distribution switch monitoring terminal and the second distribution switch monitoring terminal. Among them, the first distribution switch monitoring terminal can be a distribution switch monitoring terminal (Feeder Terminal Unit, referred to as FTU). The second distribution switch monitoring terminal can be a distribution switch monitoring terminal (Data Terminal Unit, referred to as DTU).

[0036] Optionally, the test device may further include: a power supply side module of the first distribution switch monitoring terminal, a load side module of the first distribution switch monitoring terminal, a power supply side module of the second distribution switch monitoring terminal, and a load side module of the second distribution switch monitoring terminal. The above-mentioned main switch module 10 may also be used to provide electric energy to the power supply side module of the first distribution switch monitoring terminal, the load side module of the first distribution switch monitoring terminal, the power supply side module of the second distribution switch monitoring terminal, and the load side module of the second distribution switch monitoring terminal in the test device.

[0037] The power supply module 30 of the first power distribution switch monitoring terminal is used to provide power to the first power distribution switch monitoring terminal and control the operating state of the first power distribution switch monitoring terminal.

[0038] Optionally, the power module 30 of the first distribution switch monitoring terminal may include at least an FTU power relay and an FTU 24V direct current (DC) power supply. The power module 30 of the first distribution switch monitoring terminal may be used to provide power to the first distribution switch monitoring terminal and control the operating state of the first distribution switch monitoring terminal.

[0039] The power module 40 of the second power distribution switch monitoring terminal is connected to the power module of the first power distribution switch monitoring terminal, and is used to provide power to the second power distribution switch monitoring terminal and control the operating state of the second power distribution switch monitoring terminal.

[0040] Optionally, the power module 40 of the second power distribution switch monitoring terminal may include at least a 24V to 48V booster, a DTU power relay and a DTU 48V DC power supply. The power module 40 of the second power distribution switch monitoring terminal may be used to provide power to the second power distribution switch monitoring terminal and control the operating state of the second power distribution switch monitoring terminal.

[0041] The main control unit 50 is connected to the inverter module, the power module of the first distribution switch monitoring terminal, and the power module of the second distribution switch monitoring terminal, and is used to control the on-off state of the inverter module, the on-off state of the power module of the first distribution switch monitoring terminal, and the on-off state of the power module of the second distribution switch monitoring terminal, and is used to display the current information of the output current.

[0042] Optionally, the main control unit 50 uses the 485 bus through the embedded industrial computer to control seven output relays, including the FTU power relay, DTU power relay, FTU power side 220V relay, FTU load side 220V relay, DTU power side 100V relay, DTU load side 100V relay, and current side relay, so as to control the power module of the first distribution switch monitoring terminal, the power module of the second distribution switch monitoring terminal, the power side module of the first distribution switch monitoring terminal, the load side module of the first distribution switch monitoring terminal, the power side module of the second distribution switch monitoring terminal, the load side module of the second distribution switch monitoring terminal, and the inverter module.

[0043] Optionally, the embedded industrial computer displays the current value collected by the current detection module on the screen through the 485 bus. The embedded industrial computer controls the output quantity through the 485 bus: the switch closed return quantity and the switch opened return quantity, and receives the input quantity through the 485 bus: the switch open signal quantity and the switch closed signal quantity.

[0044] In an embodiment of the present application, a main switch module is used to provide power to an inverter module in a test device and a main control unit in the test device; an inverter module is connected to the main switch module and is used to control an output current provided to a first distribution switch monitoring terminal and a second distribution switch monitoring terminal; a power supply module of the first distribution switch monitoring terminal is used to provide power to the first distribution switch monitoring terminal and control an operating state of the first distribution switch monitoring terminal; a power supply module of the second distribution switch monitoring terminal is connected to the power supply module of the first distribution switch monitoring terminal and is used to provide power to the second distribution switch monitoring terminal. Supply power and control the operating status of the second distribution switch monitoring terminal; the main control unit is connected to the inverter module, the power module of the first distribution switch monitoring terminal, and the power module of the second distribution switch monitoring terminal, and is used to control the on-off state of the inverter module, the on-off state of the power module of the first distribution switch monitoring terminal, and the on-off state of the power module of the second distribution switch monitoring terminal, and is used to display the current information of the output current, thereby achieving the technical effect of improving the efficiency of testing the distribution equipment, and then solving the technical problem of low efficiency in testing the distribution equipment.

[0045] The above embodiments of the present application are further described below.

[0046] In some embodiments of the present application, the inverter module includes: an inverter, connected to the main switch module, for generating an output current; a current side relay, connected to the inverter, for controlling the flow of the output current; a rheostat, connected to the current side relay, for adjusting the magnitude of the output current; a current transformer, connected to the rheostat, for measuring the magnitude of the output current; and a current detection module, connected to the current transformer, for collecting the output current, and for sending the collected output current to the main control unit.

[0047] In this embodiment, the inverter may be a 24V to 220V inverter. The rheostat may be a 10 ohm rheostat. That is, the inverter module may at least include a 24V to 220V inverter, a current side relay, a 220V to 6V transformer, a 1 ohm large resistor, a 10 ohm rheostat, a current transformer, a current detection module, and a 0.5-4.2A DC current output.

[0048] Optionally, a 24V to 220V inverter is connected to the main switch module and can be used to generate output current. A current side relay is connected to the 24V to 220V inverter and can be used to control the flow of output current. A 220V to 6V transformer is connected to the current side relay, a 1 ohm large resistor is connected to the 220V to 6V transformer, and a 10 ohm variable resistor is connected to the 1 ohm large resistor, which can be used to adjust the output current. A current transformer is connected to a 10 ohm variable resistor and can be used to measure the output current. A current detection module is connected to a current transformer and can be used to collect the output current and send the collected output current to the main control unit.

[0049] This embodiment can output a current of 0.5-4.2A by adjusting the size of the 10-ohm variable resistor, and the current detection module collects the output current size in real time.

[0050] In some embodiments of the present application, the power module of the first distribution switch monitoring terminal includes: a power relay of the first distribution switch monitoring terminal, which is used to control the power provided to the first distribution switch monitoring terminal.

[0051] In this embodiment, the power module of the first distribution switch monitoring terminal may include at least an FTU power relay and an FTU 24V DC power supply. The power relay of the first distribution switch monitoring terminal may be an FTU power relay, which may be used to control the power provided to the FTU.

[0052] In some embodiments of the present application, the power module of the second distribution switch monitoring terminal includes: a power relay of the second distribution switch monitoring terminal, which is used to control the power provided to the second distribution switch monitoring terminal.

[0053] In this embodiment, the power module of the second distribution switch monitoring terminal may include at least a 24V to 48V booster, a DTU power relay and a DTU 48V DC power supply. The power relay of the second distribution switch monitoring terminal may be a DTU power relay, which may be used to control the power provided to the DTU.

[0054] In some embodiments of the present application, the device also includes: a power side module of the first distribution switch monitoring terminal, which is connected to the inverter module and is used to control the power output of the first distribution switch monitoring terminal; a load side module of the first distribution switch monitoring terminal, which is connected to the inverter module and is used to control the load output of the first distribution switch monitoring terminal; a power side module of the second distribution switch monitoring terminal, which is connected to the inverter module and is used to control the power output of the second distribution switch monitoring terminal; and a load side module of the second distribution switch monitoring terminal, which is connected to the inverter module and is used to control the load output of the second distribution switch monitoring terminal.

[0055] In this embodiment, the device may also include a power side module of the first distribution switch monitoring terminal, a load side module of the first distribution switch monitoring terminal, a power side module of the second distribution switch monitoring terminal, and a load side module of the second distribution switch monitoring terminal. The power side module of the first distribution switch monitoring terminal can be used to control the power output of the first distribution switch monitoring terminal. The load side module of the first distribution switch monitoring terminal can be used to control the load output of the first distribution switch monitoring terminal. The power side module of the second distribution switch monitoring terminal can be used to control the power output of the second distribution switch monitoring terminal. The load side module of the second distribution switch monitoring terminal can be used to control the load output of the second distribution switch monitoring terminal.

[0056] In some embodiments of the present application, the power side module of the first distribution switch monitoring terminal includes: a power side relay of the first distribution switch monitoring terminal, connected to the inverter module, and used to control the power energy on the power side of the first distribution switch monitoring terminal; a self-resetting fuse, connected to the power side relay of the first distribution switch monitoring terminal, and used to control the on / off state of the power side circuit of the first distribution switch monitoring terminal.

[0057] In this embodiment, the power supply side module of the first distribution switch monitoring terminal may include at least: a 220V relay on the FTU power supply side, a 3A resettable fuse, and a 220V output on the FTU power supply side. The power supply side relay of the first distribution switch monitoring terminal may be a 220V relay on the FTU power supply side, and the 220V relay on the FTU power supply side may be used to control the power supply side power of the FTU. The resettable fuse may be a 3A resettable fuse, and the 3A resettable fuse may be used to control the on / off state of the power supply side circuit of the FTU.

[0058] In some embodiments of the present application, the load side module of the first distribution switch monitoring terminal includes: a load side relay of the first distribution switch monitoring terminal, connected to the inverter module, and used to control the load side power of the first distribution switch monitoring terminal; a self-resetting fuse, connected to the load side relay of the first distribution switch monitoring terminal, and used to control the on-off state of the load side circuit of the first distribution switch monitoring terminal.

[0059] In this embodiment, the load side module of the first distribution switch monitoring terminal may include at least: a FTU load side 220V relay, a 3A resettable fuse, and a FTU load side output. The load side relay of the first distribution switch monitoring terminal may be a FTU load side 220V relay, which may be used to control the load side power of the FTU. The resettable fuse may be a 3A resettable fuse, which may be used to control the on / off state of the load side circuit of the FTU.

[0060] In some embodiments of the present application, the power side module of the second distribution switch monitoring terminal includes: a power side relay of the second distribution switch monitoring terminal, connected to the inverter module, and used to control the power energy on the power side of the second distribution switch monitoring terminal; a self-resetting fuse, connected to the power side relay of the second distribution switch monitoring terminal, and used to control the on / off state of the power side circuit of the second distribution switch monitoring terminal.

[0061] In this embodiment, the power supply side module of the second power distribution switch monitoring terminal may include at least: a 100V relay on the DTU power supply side, a 3A resettable fuse, a 220V to 100V module, and a 100V output on the DTU power supply side. The power supply side relay of the second power distribution switch monitoring terminal may be a 100V relay on the DTU power supply side, and the 100V relay on the DTU power supply side may be used to control the power supply side power of the DTU. The resettable fuse may be a 3A resettable fuse, and the 3A resettable fuse may be used to control the on / off state of the power supply side circuit of the DTU.

[0062] In some embodiments of the present application, the load side module of the second distribution switch monitoring terminal includes: a load side relay of the second distribution switch monitoring terminal, connected to the inverter module, and used to control the load side power of the second distribution switch monitoring terminal; a self-resetting fuse, connected to the load side relay of the second distribution switch monitoring terminal, and used to control the on-off state of the load side circuit of the second distribution switch monitoring terminal.

[0063] In this embodiment, the load side module of the second distribution switch monitoring terminal may include at least: a DTU load side 100V relay, a 3A resettable fuse, a 220V to 100V module, and a DTU load side 100V output. The load side relay of the second distribution switch monitoring terminal may be a DTU load side 100V relay, which may be used to control the load side power of the DTU. The resettable fuse may be a 3A resettable fuse, which may be used to control the on / off state of the load side circuit of the DTU.

[0064] In an embodiment of the present application, a main switch module is used to provide power to an inverter module in a test device and a main control unit in the test device; an inverter module is connected to the main switch module and is used to control an output current provided to a first distribution switch monitoring terminal and a second distribution switch monitoring terminal; a power supply module of the first distribution switch monitoring terminal is used to provide power to the first distribution switch monitoring terminal and control an operating state of the first distribution switch monitoring terminal; a power supply module of the second distribution switch monitoring terminal is connected to the power supply module of the first distribution switch monitoring terminal and is used to provide power to the second distribution switch monitoring terminal. Supply power and control the operating status of the second distribution switch monitoring terminal; the main control unit is connected to the inverter module, the power module of the first distribution switch monitoring terminal, and the power module of the second distribution switch monitoring terminal, and is used to control the on-off state of the inverter module, the on-off state of the power module of the first distribution switch monitoring terminal, and the on-off state of the power module of the second distribution switch monitoring terminal, and is used to display the current information of the output current, thereby achieving the technical effect of improving the efficiency of testing the distribution equipment, and then solving the technical problem of low efficiency in testing the distribution equipment.

[0065] Figure 2 is a flow chart of a method for testing a power distribution device according to an embodiment of the present application, such as Figure 1 As shown, the process of the test method of the power distribution equipment may include at least the following steps:

[0066] Step S202, obtaining the switch closing signal quantity sent by the distribution switch monitoring terminal to the main control unit.

[0067] In the above steps, the switch closing signal quantity sent by the distribution switch monitoring terminal to the main control unit can be obtained. Among them, the distribution switch monitoring terminal can be FTU, DTU, etc. The switch closing signal quantity can be used to indicate that the FTU or DTU button is in the closed state.

[0068] Optionally, the industrial computer controls the FTU power relay, and the FTU lights up; closes the current measuring relay, and obtains a 4A current by adjusting the 10-ohm variable resistor through debugging, and then disconnects the current measuring relay; the FTU button is pressed, and the industrial computer detects the switch closing signal quantity.

[0069] Step S204, based on the switch closing signal, controls the main control unit to close the power supply side relay and the load side relay of the distribution switch monitoring terminal, and controls the main control unit to send the switch closing return value to the distribution switch monitoring terminal.

[0070] In the above steps, after obtaining the switch closing signal quantity sent by the distribution switch monitoring terminal to the main control unit, based on the obtained switch closing signal quantity, the main control unit can be controlled to close the power side relay of the distribution switch monitoring terminal and the load side relay of the distribution switch monitoring terminal, and the main control unit can be controlled to send the switch closing return quantity to the distribution switch monitoring terminal.

[0071] Optionally, the industrial computer immediately outputs the switch closing return value to the FTU; the industrial computer is powered by closing the 220V relay on the FTU power supply side and the 220v relay on the FTU load side; the industrial computer loses power by disconnecting the 220V relay on the FTU power supply side and the 220v relay on the FTU load side.

[0072] Step S206, when the distribution switch monitoring terminal receives the return value indicating that the switch is closed, the distribution switch monitoring terminal is controlled to send a switch opening signal to the main control unit.

[0073] In the above steps, after the main control unit is controlled to send the switch closed return amount to the distribution switch monitoring terminal, when the distribution switch monitoring terminal receives the switch closed return amount, the distribution switch monitoring terminal is controlled to send the switch open signal amount to the main control unit. Optionally, the industrial computer sends the switch open return amount to the FTU.

[0074] Step S208, based on the switch opening signal, control the main control unit to disconnect the power supply side relay and the load side relay of the distribution switch monitoring terminal, and control the main control unit to send the switch opening return value to the distribution switch monitoring terminal.

[0075] In the above steps, after controlling the distribution switch monitoring terminal to send the switch opening signal to the main control unit, based on the switch opening signal, the main control unit is controlled to disconnect the power side relay of the distribution switch monitoring terminal and the load side relay of the distribution switch monitoring terminal, and the main control unit is controlled to send the switch opening return quantity to the distribution switch monitoring terminal.

[0076] Optionally, the industrial computer is powered by closing the 220V relay on the FTU power supply side; the FTU sends a switch closing signal to the industrial computer; the industrial computer sends a switch closing return to the FTU; within 5 seconds after the FTU sends the switch closing signal to the industrial computer, the current measuring relay is closed to output 4A current to the FTU; the FTU sends a switch opening signal to the industrial computer; the industrial computer sends a switch opening return to the FTU.

[0077] Step S210, in response to the distribution switch monitoring terminal receiving the switch opening return value, determining that the test result of the distribution switch monitoring terminal is a normal result.

[0078] In the above steps, when the distribution switch monitoring terminal receives the return value that the switch has been opened, it can be determined that the test result of the distribution switch monitoring terminal is a normal result.

[0079] Optionally, when the distribution switch monitoring terminal does not receive the return value of the switch being opened, it is determined that the FTU parameter setting is incorrect or the FTU has a functional failure.

[0080] In an embodiment of the present application, a switch closing signal quantity sent by a distribution switch monitoring terminal to a main control unit is obtained; based on the switch closing signal quantity, the main control unit is controlled to close the power side relay and the load side relay of the distribution switch monitoring terminal, and the main control unit is controlled to send a switch closing return quantity to the distribution switch monitoring terminal; when the distribution switch monitoring terminal receives the switch closing return quantity, the distribution switch monitoring terminal is controlled to send a switch opening signal quantity to the main control unit; based on the switch opening signal quantity, the main control unit is controlled to disconnect the power side relay and the load side relay of the distribution switch monitoring terminal, and the main control unit is controlled to send a switch opening return quantity to the distribution switch monitoring terminal; in response to the distribution switch monitoring terminal receiving the switch opening return quantity, it is determined that the test result of the distribution switch monitoring terminal is a normal result, thereby achieving the technical effect of improving the efficiency of testing the distribution equipment, and further solving the technical problem of low efficiency in testing the distribution equipment.

[0081] In order for those skilled in the art to better understand the technical solution of the present application, a specific embodiment is now described.

[0082] Distribution automation equipment is a key component of the smart grid. It can monitor, protect and control the power grid system in operation. Therefore, the health of distribution automation equipment will affect the safe and stable operation of the power grid system. Since some power supply bureaus are located in the southern coastal areas, most of the power supply bureaus' distribution automation equipment operates in outdoor high temperature, high humidity and high salt fog environment, which will further accelerate the corrosion and aging of equipment materials, especially electronic components, and cause problems such as rusty terminals, poor contact, controller circuit board failure, and circuit disconnection, which will affect the correct sampling and operation of the device. Therefore, it is necessary to conduct regular functional verification of distribution automation equipment to detect and deal with problems early. Under the indicator requirement of zero households during pre-arranged power outages, the power supply bureau must explore the functional verification of distribution automation under the premise of normal equipment operation and no power outages, and improve the maintenance and management level of key distribution automation mechanisms and components.

[0083] In the related art, only a single current and voltage test is performed using a relay protection device, which is unable to achieve a continuous test, and each step of the test requires manual parameter setting, resulting in extremely low work efficiency.

[0084] In order to solve the above problems, the present application proposes a portable distribution automation function live verification device, which can achieve the following: automatic output of voltage and current can simulate various distribution automation logics and protection criteria, and output to the secondary circuit of the operating equipment to verify the accuracy of the automation function and the integrity of the secondary circuit; when the equipment is energized, it is connected to the distribution automation terminal through a quick connector to simulate the transmission verification of the secondary switch.

[0085] In this embodiment, the portable distribution automation function live verification device is made of light materials and is made into a shape similar to a handheld device. It has a built-in voltage and current generator, a micro power mechanism and a micro switch. It is small and easy to carry. Through the built-in telemetry circuit, it can independently realize telemetry addition, so as to verify the accuracy of the distribution automation terminal function and the integrity of the secondary circuit. Through the built-in relay combination circuit to simulate the primary signal, control and AC circuit, and rely on the quick connector to connect to the distribution automation terminal, it can complete remote control and on-site separation and combination and other action simulations, as well as remote signaling and various telemetry signal sampling tests. The portable distribution automation function live verification device is convenient for distribution operators to carry, and can quickly and efficiently carry out functional verification and action simulation of on-site distribution automation equipment, so as to facilitate operation and maintenance personnel to troubleshoot secondary problems without affecting normal power supply, improve the quality and efficiency of verification work, and reduce the losses caused by power outages.

[0086] Figure 3 Schematic diagram of a portable live verification device for power distribution automation functions and an interface with a FTU or DTU under test according to an embodiment of the present application, such as Figure 3As shown, the schematic diagram of the interface between the portable distribution automation function live verification device and the FTU or DTU under test may include at least a distribution switch monitoring terminal 301 and a portable distribution automation function live verification device 302. The distribution switch monitoring terminal (FTU / DTU) has remote control, telemetry, telesignaling, and fault detection functions, and communicates with the distribution automation master station to provide the distribution system operation status and various parameters and information required for monitoring and control, including switch status, power parameters, phase-to-phase faults, ground faults, and parameters at the time of faults, and executes commands issued by the distribution master station to adjust and control the distribution equipment, and realize functions such as fault location, fault isolation, and rapid restoration of power supply to non-fault areas.

[0087] The output of the portable power distribution automation function live verification device includes 24 / 48V DC power supply, 0.5-4.2A DC current, switch closed return quantity, switch open return quantity, power supply side 220 / 100V alternating current (AC) voltage and load side 220 / 100V AC voltage. The input includes the switch closing signal quantity and the switch opening signal quantity.

[0088] When testing FTU, the output includes 24V DC power supply, 0.5-4.2A DC current, switch closed return, switch open return, power supply side 220V AC voltage and load side 220V AC voltage. The input includes switch closed signal and switch open signal.

[0089] When testing the DTU, the output quantities include 48DC power supply, 0.5-4.2A DC current, switch closed return quantity, switch open return quantity, 100V AC voltage on the power supply side, and 100V AC voltage on the load side. The input quantities include switch closed signal quantity and switch open signal quantity.

[0090] Figure 4 is a schematic diagram of an output electrical diagram of a portable live verification device for power distribution automation functions according to an embodiment of the present application, such as Figure 4 As shown, the schematic diagram of the output electrical diagram of the portable distribution automation function live verification device may include at least a first module 401, a second module 402, a third module 403, a fourth module 404, a fifth module 405, a sixth module 406, a seventh module 407, and an eighth module 408.

[0091] The first module 401 is composed of a 24V lithium battery and a 24V main switch button. The second module 402 is composed of an FTU power relay and an FTU 24V DC power supply. The third module 403 is composed of a 24V to 48V booster, a DTU power relay and a DTU 48V DC power supply. The fourth module 404 is composed of a 220V relay on the FTU power side, a 3A self-resetting fuse and a 220V output on the FTU power side. The fifth module 405 is composed of a 220V relay on the FTU load side, a 3A self-resetting fuse and a 220V output on the FTU load side.

[0092] The sixth module 406 is composed of a 100V relay on the DTU power supply side, a 3A self-recovery fuse, a 220V to 100V module and a 100V output on the DTU power supply side. The seventh module 407 is composed of a 100V relay on the DTU load side, a 3A self-recovery fuse, a 220V to 100V module and a 100V output on the DTU load side. The eighth module 408 is composed of a 24V to 220V inverter, a current side relay, a 220V to 6V transformer, a 1 ohm large resistor, a 10 ohm variable resistor, a current transformer, a current detection module and a 0.5-4.2A DC current output. By adjusting the size of the 10 ohm variable resistor, a 0.5-4.2A current can be output, and the current detection module collects the output current size in real time.

[0093] Figure 5 is a schematic diagram of an output electrical diagram of another portable live verification device for power distribution automation functions according to an embodiment of the present application, such as Figure 5 As shown, the schematic diagram of the output electrical diagram of the portable power distribution automation function live verification device can also include a ninth module, which includes an embedded industrial computer 501. The main control unit uses the 485 bus to control the FTU power relay, DTU power relay, FTU power side 220V relay, FTU load side 220V relay, DTU power side 100V relay, DTU load side 100V relay, current side relay and other 7 output relays through the embedded industrial computer, thereby controlling Figure 4 The second to eighth modules are turned on and off. The embedded industrial computer collects the current size collected by the current detection module and displays it on the screen through the 485 bus. The embedded industrial computer controls the output quantity switch closed return quantity and switch open return quantity through the 485 bus, and the embedded industrial computer receives the input quantity switch open signal quantity and switch closed signal quantity through the 485 bus.

[0094] FTU forward blocking after closing, automatic unlocking after manual (remote control) closing, automatic unlocking after power on the fault side: set overcurrent protection to accelerate protection. If the fault current is detected within 5s after closing, the protection will accelerate tripping and forward blocking. Automatic unlocking after manual (remote control) closing, automatic unlocking after power on the fault side.

[0095] The industrial computer controls the FTU power relay, and the FTU lights up; the current measuring relay is closed, and a 4A current is obtained by adjusting the 10-ohm variable resistor through debugging. Then the current measuring relay is disconnected; the FTU button is pressed, and the industrial computer detects the switch closing signal; the industrial computer immediately outputs the switch closed return quantity to the FTU; the industrial computer is powered by the 220V relay on the FTU power side and the 220V relay on the FTU load side; the industrial computer loses power by disconnecting the 220V relay on the FTU power side and the 220V relay on the FTU load side; the industrial computer sends the switch open return quantity to the FTU; the industrial computer is powered by the 220V relay on the FTU power side; the FTU sends the switch closing signal quantity to the industrial computer; the industrial computer sends the switch closed return quantity to the FTU; within 5 seconds after the FTU sends the switch closing signal quantity to the industrial computer, the current measuring relay is closed, and a 4A current is output to the FTU; the FTU sends the switch opening signal quantity to the industrial computer; the industrial computer sends the switch open return quantity to the FTU.

[0096] After completing the first two steps in the above case, you only need to click the button on the industrial computer to activate the third step, and then complete the steps one by one to reach the last step. If you fail to reach the last step, it is judged that the FTU parameter settings are incorrect or the FTU has a functional failure.

[0097] The portable power distribution automation function live verification device in this embodiment adopts a modular design, which can reduce most of the cumbersome test wiring in the process of testing FTU / DTU, and adopts automatic testing, which is more accurate and convenient. The automated testing equipment can better detect the FTU / DTU performance indicators through the preset test process, and adopts a modular design, which can switch the FTU / DTU for testing, and has a high degree of integration.

[0098] In an embodiment of the present application, a main switch module is used to provide power to an inverter module in a test device and a main control unit in the test device; an inverter module is connected to the main switch module and is used to control an output current provided to a first distribution switch monitoring terminal and a second distribution switch monitoring terminal; a power supply module of the first distribution switch monitoring terminal is used to provide power to the first distribution switch monitoring terminal and control an operating state of the first distribution switch monitoring terminal; a power supply module of the second distribution switch monitoring terminal is connected to the power supply module of the first distribution switch monitoring terminal and is used to provide power to the second distribution switch monitoring terminal. Supply power and control the operating status of the second distribution switch monitoring terminal; the main control unit is connected to the inverter module, the power module of the first distribution switch monitoring terminal, and the power module of the second distribution switch monitoring terminal, and is used to control the on-off state of the inverter module, the on-off state of the power module of the first distribution switch monitoring terminal, and the on-off state of the power module of the second distribution switch monitoring terminal, and is used to display the current information of the output current, thereby achieving the technical effect of improving the efficiency of testing the distribution equipment, and then solving the technical problem of low efficiency in testing the distribution equipment.

[0099] According to another aspect of an embodiment of the present application, a non-volatile storage medium is further provided, the non-volatile storage medium including a stored program, wherein when the program is running, a device where the non-volatile storage medium is located is controlled to execute any one of the methods.

[0100] Optionally, in this embodiment, the storage medium may include, but is not limited to, electronic, magnetic, optical, electromagnetic, infrared, or semiconductor devices, apparatuses or equipment, or any suitable combination of the above. More specific examples of the storage medium may include electrical connections based on one or more wires, portable computer disks, hard disks, random access memories (RAM), read-only memories (ROM), erasable programmable read-only memories (EPROM or flash memory), optical fibers, portable compact disk read-only memories (CD-ROM), optical storage devices, magnetic storage devices, or any suitable combination of the above.

[0101] According to another aspect of an embodiment of the present invention, a processor is provided. The processor is used to run a program, wherein the method in the embodiment of the present invention is executed when the program is run.

[0102] In an exemplary embodiment of the present application, a computer program product is further provided, including a computer program, and the computer program implements any of the above methods when executed by a processor.

[0103] In an exemplary embodiment of the present application, a computer program product is further provided, including a non-volatile computer-readable storage medium, wherein the non-volatile computer-readable storage medium stores a computer program, and the computer program is configured to execute any one of the above methods when running.

[0104] In an exemplary embodiment of the present application, a computer program is further provided. The computer program is configured to execute any one of the above methods when running.

[0105] According to an embodiment of the present application, an electronic device is provided, which includes: at least one processor; and a memory communicatively connected to the at least one processor; wherein the memory stores instructions executable by the at least one processor, and the instructions are executed by the at least one processor so that the at least one processor can execute any one of the above methods.

[0106] Optionally, the electronic device may further include a transmission device and an input / output device, wherein the transmission device is connected to the processor, and the input / output device is connected to the processor.

[0107] Figure 6 600 is a schematic block diagram of an electronic device according to an embodiment of the present application. The electronic device is intended to represent various forms of digital computers, such as laptop computers, desktop computers, workstations, personal digital assistants, servers, blade servers, mainframe computers, and other suitable computers. The electronic device may also represent various forms of mobile devices, such as personal digital processing, cellular phones, smart phones, wearable devices, and other similar computing devices. The components shown herein, their connections and relationships, and their functions are merely examples and are not intended to limit the implementation of the present application described and / or required herein.

[0108] like Figure 6 As shown, the device 600 includes a computing unit 601, which can perform various appropriate actions and processes according to a computer program stored in a read-only memory (ROM) 602 or a computer program loaded from a storage unit 608 into a random access memory (RAM) 603. In the RAM 603, various programs and data required for the operation of the device 600 can also be stored. The computing unit 601, the ROM 602, and the RAM 603 are connected to each other via a bus 604. An input / output (I / O) interface 605 is also connected to the bus 604.

[0109] A number of components in the device 600 are connected to the I / O interface 605, including: an input unit 606, such as a keyboard, a mouse, etc.; an output unit 607, such as various types of displays, speakers, etc.; a storage unit 608, such as a disk, an optical disk, etc.; and a communication unit 609, such as a network card, a modem, a wireless communication transceiver, etc. The communication unit 609 allows the device 600 to exchange information / data with other devices through a computer network such as the Internet and / or various telecommunication networks.

[0110] The computing unit 601 may be a variety of general and / or special processing components with processing and computing capabilities. Some examples of the computing unit 601 include, but are not limited to, a central processing unit (CPU), a graphics processing unit (GPU), various dedicated artificial intelligence (AI) computing chips, various computing units running machine learning model algorithms, digital signal processors (DSPs), and any appropriate processors, controllers, microcontrollers, etc. The computing unit 601 performs the various processes described above. A computer software program, which is tangibly contained in a machine-readable medium, such as a storage unit 608. In some embodiments, part or all of the computer program may be loaded and / or installed on the device 600 via ROM 602 and / or communication unit 609. When the computer program is loaded into RAM 603 and executed by the computing unit 601, one or more steps may be performed. Alternatively, in other embodiments, the computing unit 601 may be configured to execute in any other appropriate manner (e.g., by means of firmware).

[0111] Various embodiments of the devices and techniques described above herein can be implemented in digital electronic circuit devices, integrated circuit devices, field programmable gate arrays (FPGAs), application specific integrated circuits (ASICs), application specific standard products (ASSPs), devices on a chip (SOCs), load programmable logic devices (CPLDs), computer hardware, firmware, software, and / or combinations thereof. These various embodiments may include: being implemented in one or more computer programs that can be executed and / or interpreted on a programmable device including at least one programmable processor, which can be a special purpose or general purpose programmable processor that can receive data and instructions from a storage device, at least one input device, and at least one output device, and transmit data and instructions to the storage device, the at least one input device, and the at least one output device.

[0112] The program code for implementing the present application may be written in any combination of one or more programming languages. These program codes may be provided to a processor or controller of a general-purpose computer, a special-purpose computer, or other programmable data processing device, so that the program code, when executed by the processor or controller, implements the functions / operations specified in the flow chart and / or block diagram. The program code may be executed entirely on the machine, partially on the machine, partially on the machine and partially on a remote machine as a stand-alone software package, or entirely on a remote machine or server.

[0113] In the context of the present application, a machine-readable medium may be a tangible medium that may contain or store a program for use by or in conjunction with an instruction execution device, device, or equipment. A machine-readable medium may be a machine-readable signal medium or a machine-readable storage medium. A machine-readable medium may include, but is not limited to, electronic, magnetic, optical, electromagnetic, infrared, or semiconductor devices, devices, or equipment, or any suitable combination of the foregoing. A more specific example of a machine-readable storage medium may include an electrical connection based on one or more lines, a portable computer disk, a hard disk, a random access memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disk read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.

[0114] To provide interaction with a user, the devices and techniques described herein can be implemented on a computer having: a display device (e.g., a CRT (cathode ray tube) or LCD (liquid crystal display) monitor) for displaying information to the user; and a keyboard and a pointing device (e.g., a mouse or trackball) through which the user can provide input to the computer. Other types of devices can also be used to provide interaction with the user; for example, the feedback provided to the user can be any form of sensory feedback (e.g., visual feedback, auditory feedback, or tactile feedback); and input from the user can be received in any form (including acoustic input, voice input, or tactile input).

[0115] The apparatus and techniques described herein may be implemented in a computing device that includes backend components (e.g., as a data server), or a computing device that includes middleware components (e.g., an application server), or a computing device that includes frontend components (e.g., a user computer with a graphical user interface or a web browser through which a user can interact with implementations of the apparatus and techniques described herein), or a computing device that includes any combination of such backend components, middleware components, or frontend components. The components of the apparatus may be interconnected by any form or medium of digital data communication (e.g., a communications network). Examples of communications networks include: a local area network (LAN), a wide area network (WAN), and the Internet.

[0116] The computer device may include a client and a server. The client and the server are generally remote from each other and usually interact through a communication network. The relationship between the client and the server is generated by computer programs running on the respective computers and having a client-server relationship with each other. The server may be a cloud server, a server of a distributed device, or a server combined with a blockchain.

[0117] The serial numbers of the above-mentioned embodiments of the present application are for description only and do not represent the advantages or disadvantages of the embodiments.

[0118] In the above embodiments of the present application, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, please refer to the relevant description of other embodiments.

[0119] In the several embodiments provided in this application, it should be understood that the disclosed technical content can be implemented in other ways. Among them, the device embodiments described above are only schematic. For example, the division of units can be a logical function division. There may be other division methods in actual implementation. For example, multiple units or components can be combined or integrated into another device, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, indirect coupling or communication connection of units or modules, which can be electrical or other forms.

[0120] The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed over multiple units. Some or all of the units may be selected according to actual needs to achieve the purpose of the present embodiment.

[0121] In addition, each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The above-mentioned integrated unit may be implemented in the form of hardware or in the form of software functional units.

[0122] If the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present application, or the part that contributes to the prior art or all or part of the technical solution, can be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for a computer device (which can be a personal computer, server or network device, etc.) to execute all or part of the steps of each embodiment of the present application. The aforementioned storage medium includes: U disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), mobile hard disk, disk or optical disk, etc. Various media that can store program codes.

[0123] The above are only preferred implementations of the present application. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present application. These improvements and modifications should also be regarded as the scope of protection of the present application.

Claims

1. A testing device for power distribution equipment, characterized in that: include: A main switch module, used to provide power to the inverter module in the test device and the main control unit in the test device; The inverter module is connected to the main switch module and is used to control the output current provided to the first distribution switch monitoring terminal and the second distribution switch monitoring terminal; A power supply module of the first power distribution switch monitoring terminal, used to provide power to the first power distribution switch monitoring terminal and control the operating state of the first power distribution switch monitoring terminal; The power module of the second power distribution switch monitoring terminal is connected to the power module of the first power distribution switch monitoring terminal, and is used to provide power to the second power distribution switch monitoring terminal and control the operating state of the second power distribution switch monitoring terminal; The main control unit is connected to the inverter module, the power module of the first distribution switch monitoring terminal, and the power module of the second distribution switch monitoring terminal, and is used to control the on-off state of the inverter module, the on-off state of the power module of the first distribution switch monitoring terminal, and the on-off state of the power module of the second distribution switch monitoring terminal, and is used to display the current information of the output current.

2. The device according to claim 1, characterized in that The inverter module comprises: An inverter, connected to the main switch module, and configured to generate the output current; a current-side relay connected to the inverter and used to control the flow of the output current; A variable resistor connected to the current-side relay and used for adjusting the magnitude of the output current; A current transformer, connected to the variable resistor, for measuring the magnitude of the output current; A current detection module is connected to the current transformer, and is used to collect the output current and send the collected output current to the main control unit.

3. The device according to claim 1, characterized in that The power supply module of the first distribution switch monitoring terminal includes: The power relay of the first power distribution switch monitoring terminal is used to control the power supplied to the first power distribution switch monitoring terminal.

4. The device according to claim 3, characterized in that The power supply module of the second power distribution switch monitoring terminal includes: The power relay of the second power distribution switch monitoring terminal is used to control the power supplied to the second power distribution switch monitoring terminal.

5. The device according to claim 1, characterized in that The device also includes: A power supply side module of the first distribution switch monitoring terminal, connected to the inverter module, and used to control the power output of the first distribution switch monitoring terminal; A load side module of the first distribution switch monitoring terminal, connected to the inverter module, and used to control the load output of the first distribution switch monitoring terminal; A power supply side module of the second power distribution switch monitoring terminal, connected to the inverter module, and used to control the power output of the second power distribution switch monitoring terminal; The load side module of the second distribution switch monitoring terminal is connected to the inverter module and is used to control the load output of the second distribution switch monitoring terminal.

6. The device according to claim 5, characterized in that The power supply side module of the first distribution switch monitoring terminal includes: The power supply side relay of the first distribution switch monitoring terminal is connected to the inverter module and is used to control the power supply side power of the first distribution switch monitoring terminal; The resettable fuse is connected to the power supply side relay of the first distribution switch monitoring terminal and is used to control the on / off state of the power supply side circuit of the first distribution switch monitoring terminal.

7. The device according to claim 5, characterized in that The load side module of the first distribution switch monitoring terminal includes: The load-side relay of the first distribution switch monitoring terminal is connected to the inverter module and is used to control the load-side power of the first distribution switch monitoring terminal; The resettable fuse is connected to the load-side relay of the first distribution switch monitoring terminal and is used to control the on / off state of the load-side circuit of the first distribution switch monitoring terminal.

8. The device according to claim 5, characterized in that The power supply side module of the second distribution switch monitoring terminal includes: The power supply side relay of the second power distribution switch monitoring terminal is connected to the inverter module and is used to control the power supply side power of the second power distribution switch monitoring terminal; The resettable fuse is connected to the power supply side relay of the second power distribution switch monitoring terminal and is used to control the on / off state of the power supply side circuit of the second power distribution switch monitoring terminal.

9. The device according to claim 5, characterized in that The load side module of the second distribution switch monitoring terminal includes: The load-side relay of the second distribution switch monitoring terminal is connected to the inverter module and is used to control the load-side power of the second distribution switch monitoring terminal; The resettable fuse is connected to the load side relay of the second distribution switch monitoring terminal and is used to control the on / off state of the load side circuit of the second distribution switch monitoring terminal.

10. A method for testing power distribution equipment, characterized in that: include: Obtain the switch closing signal quantity sent by the distribution switch monitoring terminal to the main control unit; Based on the switch closing signal, control the main control unit to close the power supply side relay of the distribution switch monitoring terminal and the load side relay of the distribution switch monitoring terminal, and control the main control unit to send a switch closing return amount to the distribution switch monitoring terminal; When the distribution switch monitoring terminal receives the return amount of the switch being closed, the distribution switch monitoring terminal is controlled to send a switch opening signal amount to the main control unit; Based on the switch opening signal, control the main control unit to disconnect the power supply side relay of the distribution switch monitoring terminal and the load side relay of the distribution switch monitoring terminal, and control the main control unit to send a switch opening return amount to the distribution switch monitoring terminal; In response to the distribution switch monitoring terminal receiving the switch opening return value, it is determined that the test result of the distribution switch monitoring terminal is a normal result.

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