Multifunctional auxiliary device applied to mechanical characteristic test of high-voltage switch

Abstract

The utility model relates to the technical field of electrical tests, solves the technical problems of low efficiency of unlocking and measuring direct resistance caused by multi-person operation in the prior art, and is easily damaged by high voltage electricity, and particularly relates to a multifunctional auxiliary device applied to a mechanical characteristic test of a high-voltage switch. A functional main body is arranged in the box body, an adapter plug is detachably connected to the functional main body, and the functional main body comprises a direct current conduction button which is arranged on the top surface of the functional main body and is used for avoiding burning loss caused by long-time electrification of a closing latching electromagnet; the left side of the direct current conduction button is provided with a binding post part used for providing different connecting wire columns, and the left side of the binding post part is provided with an aviation plug wiring jack. According to the utility model, extra measuring instruments and equipment are reduced, operators are also reduced, and personnel misoperation and electric shock risks caused by field congestion are avoided; and the working efficiency is improved, and the safety of workers is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to electrical test technical field especially relates to a kind of multifunctional auxiliary device for high-voltage switch mechanical characteristic test. BACKGROUND

[0002] Mechanical characteristic test is the important way to ensure that high-voltage switch can normally run, potential problems can be found in time through mechanical characteristic test, avoid the power accident caused by failure to provide strong guarantee for the stability and security of power system, the method widely used at present is to use special circuit breaker mechanical characteristic tester, after losing control power supply, closing locking function takes effect, need to disassemble panel manually to remove lock to carry out unlocking and further operation, reduce test efficiency, while it is easy to cause damage to switch, and the energy is huge in switch closing moment, it is easy to cause damage to operator. SUMMARY

[0003] In view of the deficiencies of the prior art, the utility model provides a kind of multifunctional auxiliary device for high-voltage switch mechanical characteristic test, solve the technical problem that manual unlocking is inefficient and operator is easy to be injured by high voltage, achieve the purpose of reducing the time of opening panel and back loading, improve test efficiency, and protect the safety of operator.

[0004] To solve the above technical problems, the utility model provides the following technical scheme: a kind of multifunctional auxiliary device for high-voltage switch mechanical characteristic test, including box, the function main body is arranged in the box, and the function main body is detachably connected with adapter plug.

[0005] Preferably, the function main body includes a DC conduction button arranged on the top surface of the function main body for limiting the closing locking electromagnet from being energized for a long time and burning out, a plurality of wiring post parts with different connection posts are arranged on the left side of the DC conduction button, and an aviation plug connection socket for connecting the current output by the high-voltage output end is arranged on the left side of the wiring post part.

[0006] Preferably, the adapter plug includes a plug socket, a connection line is fixedly connected to the side end of the plug socket, an aviation end plug is fixedly connected to the side end of the connection line, and a plurality of female plug sockets are uniformly distributed on the top surface of the plug socket.

[0007] Preferably, when the high-voltage output end needs to be connected, the aviation end plug is connected to the aviation plug connection socket, and the female plug socket is connected to the female plug of the secondary plug of the high-voltage output end switch.

[0008] Preferably, the functional body further comprises an AC power jack arranged on the top surface of the functional body for inputting AC power under standard voltage, a device switch is arranged on the right side of the AC power jack, and a DC low resistance milliohm meter is arranged on the right side of the device switch.

[0009] Preferably, a DC power supply for detecting resistance is arranged inside the functional body.

[0010] Preferably, the terminal post part comprises a closing and opening signal terminal post, an energy storage control terminal post, a DC output terminal post and a grounding terminal post.

[0011] Preferably, the aviation plug terminal socket is in communication with each terminal post of the terminal post part through a wire.

[0012] Preferably, the closing and opening signal terminal post is in communication with a closing loop and an opening loop in the high-voltage output end, the energy storage control terminal post is in communication with an energy storage loop in the high-voltage output end, and the DC output terminal post is in communication with a closing lock loop in the high-voltage output end.

[0013] By means of the above technical scheme, the utility model provides a multifunctional auxiliary device applied to high-voltage switch mechanical characteristic test, and at least has the following beneficial effects:

[0014] 1. The multifunctional auxiliary device for high-voltage switch mechanical characteristic test has a release lock function, and the DC loop is controlled by means of the DC conduction button, so that the DC loop is conducted and the lock is quickly released, the time for opening the panel and reloading is saved, and the test efficiency is improved.

[0015] 2. The utility model has DC output and direct resistance measurement functions, can reduce the use of instruments and equipment for measuring DC direct resistance, reduce the number of operators, reduce labor costs, avoid personnel misoperation and electric shock risk caused by site congestion, improve work efficiency, and ensure the safety of workers. BRIEF DESCRIPTION OF DRAWINGS

[0016] The drawings described herein are used to provide further understanding of the present application, constitute a part of the present application, the illustrative embodiments of the present application and the description thereof are used to explain the present application, and do not constitute improper limitation on the present application. In the drawings:

[0017] Figure 1 It is a front perspective view of the utility model;

[0018] Figure 2 It is a top perspective view of the utility model;

[0019] Figure 3 It is a bottom perspective view of the utility model;

[0020] Figure 4 is a three-dimensional structural view of the functional main body of the utility model;

[0021] Figure 5 is a three-dimensional structural view of the adapter plug of the utility model;

[0022] Figure 6 is a wiring diagram of the wiring post part of the utility model.

[0023] In the figure: 1, functional main body; 101, AC power jack; 102, device switch; 103, DC low resistance milliohm meter; 104, DC conduction button; 105, aviation plug wiring socket; 106, opening and closing signal wiring post; 107, energy storage control wiring post; 108, DC output wiring post; 109, grounding wiring post; 11, wiring post part; 2, adapter plug; 201, plug socket; 202, connecting wire; 203, aviation end plug; 204, female plug socket; 3, box body. DETAILED DESCRIPTION

[0024] In order to make the above-mentioned purpose, features and advantages of the utility model more obvious and easy to understand, the utility model will be further described in detail below in combination with the drawings and specific embodiments. By this, the realization process of how to apply technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.

[0025] Due to the technical problems of low efficiency of manual unlocking and the operation personnel being easily injured by high-voltage electricity, please refer to Figure 1 - Figure 6The embodiment provides a multifunctional auxiliary device for high-voltage switch mechanical characteristic test, which can reduce the time for opening the panel and reloading, improve the test efficiency, and ensure the safety of the operator. The device comprises a box body 3, a function main body 1 is arranged in the box body 3, a conversion plug 2 is detachably connected to the function main body 1, the function main body 1 comprises a direct current conduction button 104 arranged on the top surface of the function main body 1 and used for limiting the long-time power supply of the closing locking electromagnet to prevent burning, a plurality of wiring post parts 11 with different connection posts are arranged at the side end of the direct current conduction button 104, an aviation plug connection port 105 for connecting the current output by the high-voltage output end is arranged at the side end of the wiring post part 11, the function main body 1 further comprises an alternating current power supply jack 101 arranged on the top surface of the function main body 1 and used for inputting alternating current under standard voltage, a device switch 102 is arranged at the right side of the alternating current power supply jack 101, a direct current low-resistance milliohm meter 103 is arranged at the right side of the device switch 102, a direct current power supply for detecting resistance is arranged in the function main body 1, the wiring post part 11 comprises a closing and opening signal wiring post 106, an energy storage control wiring post 107, a direct current output wiring post 108 and a grounding wiring post 109, the aviation plug connection port 105 and the wiring posts of the wiring post part 11 are connected through wires, the closing and opening signal wiring post 106 is connected with the closing loop and the opening loop in the high-voltage output end, the energy storage control wiring post 107 is connected with the energy storage loop in the high-voltage output end, the direct current output wiring post 108 is connected with the closing locking loop in the high-voltage output end, a direct current power supply for detecting resistance is arranged in the function main body 1, and the internal connection circuit of the function main body 1 comprises the closing loop and the opening loop for opening and closing the circuit, the energy storage motor loop for connecting with the energy storage end of the high-voltage output end, the closing locking electromagnet power supply loop for ensuring the safety of the circuit, and the control and excitation unit power supply loop for adjusting the current output.

[0026] It should be noted that, before use, the switch mechanical characteristic tester and the function main body 1 are connected through test lines, wherein the signal line connection hole is connected with the three-phase contact of the high-voltage switch, the closing and opening control power supply connection hole is connected with the closing and opening signal wiring post 106, and the energy storage power supply connection hole is connected with the energy storage control wiring post 107. Taking the VSC type vacuum contactor produced by the ABB company as an example, the closing locking loop is not contained in the vacuum contactor, but the control and excitation loop needs to be powered to complete the closing and opening operation. For such a high-voltage switch, the energy storage control wiring post 107 and the direct current output wiring post 108 need to be connected through test lines. The alternating current power supply jack 101 has 220V alternating current input, the direct current low-resistance milliohm meter 103 can work after the device switch 102 is turned on, and high-precision four-wire method test is adopted, which has a reading retention function. In the closing state of the high-voltage switch, the knob of the direct current low-resistance milliohm meter is operated, and the four-wire measurement method is used to measure the resistance of each phase loop of the high-voltage switch.

[0027] After opening the device switch 102, press the direct current on button 104, then the direct current output terminal 108 will output 220V direct current, and the output will disappear when the button is released, which can effectively avoid the long-time power supply of the closing locking electromagnet and burn it out. The female plug socket 204 of the adapter plug 2 is connected with the secondary plug of the high-voltage switch, and the aviation plug 203 is connected with the aviation plug socket 105 on the control panel of the functional main body 1. The signal line output by the switch mechanical characteristic tester is connected with the high-voltage switch contact, and the opening and closing control socket of the switch mechanical characteristic tester is connected with the opening and closing signal terminal on the control panel of the functional main body 1. The closing voltage output by the switch mechanical characteristic tester is connected with the 106-4-14 / 30-106 loop, and the switch completes the closing action.

[0028] The opening and closing control socket of the switch mechanical characteristic tester is connected with the opening and closing signal terminal on the control panel of the functional main body 1. The closing voltage output by the switch mechanical characteristic tester is connected with the 106-4-14 / 30-106 loop, and the switch completes the closing action.

[0029] When the mechanical characteristic test is performed on the high-voltage switch with closing locking, open the device switch 102, press the direct current on button 104 before closing operation, and the direct current loop is turned on to make the closing locking electromagnet attract and release the locking. The closing voltage output by the switch mechanical characteristic tester is connected with the 106-4-14 / 30-106 loop, and the switch completes the closing action.

[0030] When the mechanical characteristic test is performed on the high-voltage switch with control and excitation power supply, connect the direct current output terminal with the energy storage control terminal, press the direct current on button before closing operation, and the 107-25-35-107 loop is turned on. The closing voltage output by the switch mechanical characteristic tester is connected with the 106-4-14 / 30-106 loop, and the switch completes the closing action.

[0031] Please refer to Figure 2 , Figure 3 and Figure 5 , the female plug of the adapter plug 2 is connected with the secondary plug of the high-voltage output end switch, the adapter plug 2 includes a plug socket 201, the side end of the plug socket 201 is fixedly connected with a connecting line 202, the side end of the connecting line 202 is fixedly connected with an aviation plug 203, and the top surface of the plug socket 201 is uniformly distributed with a plurality of female plug sockets 204.

[0032] It should be noted that the aviation plug 203 at one end of the adapter plug 2 is connected with the aviation plug wiring socket 105, and the female plug socket 204 at the other end is connected with the female plug matched with the secondary plug of the high-voltage switch, and can be replaced according to the different sizes of various types of secondary plugs of high-voltage switches, and the connecting wire 202 can not only be connected to be powered on, but also is wrapped with an insulating material to ensure that the high-voltage electricity does not harm the workers.

[0033] Each of the above-described embodiments is described in a progressive manner, and each embodiment focuses on the difference from other embodiments, and the same or similar parts between the embodiments can be referred to each other. For the above embodiments, since they are basically similar to the method embodiments, they are described relatively simply, and the relevant parts can be referred to the part of the method embodiments.

[0034] The above embodiments are described in detail, and the principle and implementation of the present application are described by applying specific examples, and the above embodiments are only used to help understand the method and core idea of the present application; at the same time, for the general technical personnel in the art, according to the idea of the present application, the specific implementation and application range will be changed, and the above is not understood as the limitation of the present application.

Claims

1. A multifunctional auxiliary device for high-voltage switch mechanical characteristic test, comprising a box body (3), characterized in that, The box (3) is internally provided with a functional body (1), and the functional body (1) is detachably connected with an adapter plug (2); The functional body (1) comprises a DC conduction button (104) arranged on the functional body (1) and used for limiting the long-time power supply of the closing locking electromagnet, a plurality of terminal post portions (11) with different connection terminal posts are arranged on the left side of the DC conduction button (104), and an aviation plug terminal socket (105) for connecting the output current of the high-voltage output end is arranged on the left side of the terminal post portion (11). The adapter plug (2) comprises a plug socket (201), the side end of the plug socket (201) is fixedly connected with a connecting wire (202), the side end of the connecting wire (202) is fixedly connected with an aviation end plug (203), and the top surface of the plug socket (201) is uniformly distributed with a plurality of female plug sockets (204).

2. The multifunctional assist device according to claim 1, characterized by When the high-voltage output end needs to be connected, the aviation end plug (203) is connected with the aviation plug terminal socket (105), and the female plug socket (204) is connected with the female plug of the secondary plug of the high-voltage output end switch.

3. The multi-functional assistive device of claim 1, wherein, The functional body (1) further comprises an AC power supply jack (101) arranged on the top surface of the functional body (1) and used for inputting AC power under standard voltage, a device switch (102) is arranged on the right side of the AC power supply jack (101), and a DC low-resistance milliohm meter (103) is arranged on the right side of the device switch (102).

4. The multi-functional assistive device of claim 1, wherein, The functional body (1) is internally provided with a DC power supply for detecting resistance.

5. The multi-functional assistive device of claim 2, wherein, The terminal post portion (11) comprises a closing and opening signal terminal post (106), an energy storage control terminal post (107), a DC output terminal post (108) and a grounding terminal post (109).

6. The multi-functional assistive device of claim 1, wherein, The aviation plug terminal socket (105) and each terminal post of the terminal post portion (11) are connected through wires.

7. The multi-functional assistive device of claim 5, wherein, The closing and opening signal terminal post (106) is connected with the closing loop and the opening loop in the high-voltage output end, the energy storage control terminal post (107) is connected with the energy storage loop in the high-voltage output end, and the DC output terminal post (108) is connected with the closing locking loop in the high-voltage output end.

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