CN221595043U - Auxiliary wiring device for high-voltage power transformation test equipment - Google Patents

Abstract

The utility model relates to a wiring auxiliary device of a transformer high-voltage test device, which comprises an operation box, wherein the front part of the operation box is provided with a device wiring input end, a signal wire access end, an operation box grounding end, the top part of the operation box is provided with an instrument switching end, a wiring end single-blade single-position short-circuit switch and a short-circuit test end, the short-circuit single-blade single-position grounding switch, the signal wire switching end and the grounding switching end are electrically connected with the signal wire switching end, the wiring switching end, the operation box grounding end and a ground wire are sequentially electrically connected, the device wiring input end is respectively electrically connected with the instrument switching end, and the instrument switching end is electrically connected with the short-circuit test end and the grounding switching end through the wiring end single-blade single-position short-circuit switch and the short-circuit single-blade single-position grounding switch. The utility model ensures that the equipment does not need repeated wiring in the test, only needs to change the wiring mode by closing the switch, avoids the repeated climbing of test personnel, improves the switching efficiency of the wiring mode and the test safety, is convenient for the direct connection of the operation box and the test equipment, and avoids the climbing.

Description

A wiring auxiliary device for transformer high voltage test equipment

Technical Field

The utility model relates to the technical field of wiring devices, in particular to a wiring auxiliary device for transformer high-voltage test equipment.

Background Art

Electrical tests are a series of main means to evaluate the performance of power grid equipment. Each electrical test requires reliable connection of the test instrument and the electrical equipment through test wiring to ensure the smooth implementation of the test work. At present, the high-voltage test of substation equipment includes multiple projects. There are several problems in the process of conducting a series of high-voltage tests on substation equipment: different test projects for the same equipment require the use of respective instruments and their corresponding test wiring, which makes the site messy and the handling workload, but most of the wiring can be used universally; second, when changing the test project, the personnel on and off the equipment need to constantly transfer the equipment test wiring, which increases the workload of the on-site workers, consumes a lot of energy and is easy to fatigue; third, the workers at heights need to constantly change or change the wiring method, and there is a risk of falling from heights when climbing the equipment repeatedly, which is unsafe.

Utility Model Content

In order to solve the technical problems of inconvenience and poor safety in switching test wiring in the prior art, the utility model provides a wiring auxiliary device for transformer high-voltage test equipment.

The utility model adopts the technical solution to achieve the above purpose: a wiring auxiliary device for transformer high-voltage test equipment, including an operation box,

The front of the operation box is equipped with the equipment primary wiring input terminal, equipment secondary wiring input terminal, equipment tertiary wiring input terminal, signal line access terminal, and operation box grounding terminal;

The top of the operation box is equipped with an instrument primary transfer terminal, an instrument secondary transfer terminal, an instrument tertiary transfer terminal, a primary wiring terminal single-pole single-position short-circuit switch, a secondary wiring terminal single-pole single-position short-circuit switch, a tertiary wiring terminal single-pole single-position short-circuit switch, a primary short-circuit test terminal, a secondary short-circuit test terminal, a tertiary short-circuit test terminal, a primary short-circuit single-pole single-position grounding switch, a secondary short-circuit single-pole single-position grounding switch, a tertiary short-circuit single-pole single-position grounding switch, a signal line transfer terminal, and a grounding transfer terminal;

The signal line access terminal is electrically connected to the signal line transfer terminal, the operation box ground terminal is electrically connected to the ground wire, and the ground transfer terminal is electrically connected to the operation box ground terminal;

The primary wiring input terminal of the equipment is electrically connected to the primary transfer terminal of the instrument, the primary transfer terminal of the instrument is electrically connected to the primary short-circuit test terminal through the single-pole single-position short-circuit switch of the primary wiring terminal, the single-pole single-position short-circuit switch of the primary wiring terminal, the single-pole single-position grounding switch of the primary short-circuit, and the grounding transfer terminal are electrically connected in sequence;

The secondary wiring input terminal of the equipment is electrically connected to the secondary transfer terminal of the instrument, and the secondary transfer terminal of the instrument is electrically connected to the secondary short-circuit test terminal through the single-pole single-position short-circuit switch of the secondary wiring terminal, and the single-pole single-position short-circuit switch of the secondary wiring terminal, the single-pole single-position grounding switch of the secondary short-circuit, and the grounding transfer terminal are electrically connected in sequence;

The tertiary wiring input terminal of the equipment is electrically connected to the tertiary transfer terminal of the instrument, and the tertiary transfer terminal of the instrument is electrically connected to the tertiary short-circuit test terminal through the tertiary wiring terminal single-pole single-position short-circuit switch, and the tertiary wiring terminal single-pole single-position short-circuit switch, the tertiary short-circuit single-pole single-position grounding switch, and the grounding transfer terminal are electrically connected in sequence.

Preferably, the primary wiring input terminal of the equipment includes the primary A-phase wiring input terminal of the equipment, the primary B-phase wiring input terminal of the equipment, the primary C-phase wiring input terminal of the equipment, and the primary 0-phase wiring input terminal of the equipment, and the primary adapter terminal of the instrument includes the primary A-phase wiring adapter terminal of the instrument, the primary B-phase wiring adapter terminal of the instrument, the primary C-phase wiring adapter terminal of the instrument, and the primary 0-phase wiring adapter terminal of the instrument; the primary A-phase wiring input terminal of the equipment, the primary B-phase wiring input terminal of the equipment, the primary C-phase wiring input terminal of the equipment, and the primary 0-phase wiring input terminal of the equipment are respectively electrically connected to the primary A-phase wiring adapter terminal of the instrument, the primary B-phase wiring adapter terminal of the instrument, the primary C-phase wiring adapter terminal of the instrument, and the primary 0-phase wiring adapter terminal of the instrument, and the primary A-phase wiring adapter terminal of the instrument, the primary B-phase wiring adapter terminal of the instrument, the primary C-phase wiring adapter terminal of the instrument, and the primary 0-phase wiring adapter terminal of the instrument are respectively electrically connected to the primary short-circuit test terminal through four primary wiring terminal single-pole single-position short-circuit switches arranged therebelow.

Preferably, the equipment secondary wiring input terminal includes the equipment secondary Am phase wiring input terminal, the equipment secondary Bm phase wiring input terminal, the equipment secondary Cm phase wiring input terminal, and the equipment secondary 0m phase wiring input terminal; the instrument secondary transfer terminal includes the instrument secondary Am phase wiring transfer terminal, the instrument secondary Bm phase wiring transfer terminal, the instrument secondary Cm phase wiring transfer terminal, and the instrument secondary 0m phase wiring transfer terminal; the equipment secondary Am phase wiring input terminal, the equipment secondary Bm phase wiring input terminal, the equipment secondary Cm phase wiring input terminal, and the equipment secondary 0m phase wiring input terminal are electrically connected to the instrument secondary Am phase wiring transfer terminal, the instrument secondary Bm phase wiring transfer terminal, the instrument secondary Cm phase wiring transfer terminal, and the instrument secondary 0m phase wiring transfer terminal, respectively, and the instrument secondary Am phase wiring transfer terminal, the instrument secondary Bm phase wiring transfer terminal, the instrument secondary Cm phase wiring transfer terminal, and the instrument secondary 0m phase wiring transfer terminal are electrically connected to the secondary short-circuit test terminal through four secondary wiring terminal single-pole single-position short-circuit switches arranged below them.

Preferably, the equipment tertiary wiring input terminal includes the equipment tertiary a-phase wiring input terminal, the equipment tertiary b-phase wiring input terminal, the equipment tertiary c-phase wiring input terminal, and the equipment tertiary 0-phase wiring input terminal, and the instrument tertiary switching terminal includes the instrument tertiary a-phase wiring switching terminal, the instrument tertiary b-phase wiring switching terminal, the instrument tertiary c-phase wiring switching terminal, and the instrument tertiary 0-phase wiring switching terminal. The equipment tertiary a-phase wiring input terminal, the equipment tertiary b-phase wiring input terminal, the equipment tertiary c-phase wiring input terminal, and the equipment tertiary 0-phase wiring input terminal are respectively electrically connected to the instrument tertiary a-phase wiring switching terminal, the instrument tertiary b-phase wiring switching terminal, the instrument tertiary c-phase wiring switching terminal, and the instrument tertiary 0-phase wiring switching terminal, and the instrument tertiary a-phase wiring switching terminal, the instrument tertiary b-phase wiring switching terminal, the instrument tertiary c-phase wiring switching terminal, and the instrument tertiary 0-phase wiring switching terminal are respectively electrically connected to the tertiary short-circuit test terminal through four tertiary wiring terminal single-pole single-position short-circuit switches arranged therebelow.

Preferably, a power cord input terminal is provided at the front of the operation box, a power cord output terminal and a leakage protector are provided at the top of the operation box, the power cord input terminal is electrically connected to an external power supply, and the power cord input terminal is electrically connected to the power cord output terminal through the leakage protector.

Preferably, the primary wiring input terminal of the device, the secondary wiring input terminal of the device, the tertiary wiring input terminal of the device, and the signal line access terminal are electrically connected to the universal insulated hanging hook through wires, and the universal insulated hanging hook is electrically connected to the tested device.

Preferably, the universal insulating wire hook comprises a first insulating rod, a second insulating rod, a universal joint and a metal hook, the first insulating rod is connected to the second insulating rod through the universal joint, the end of the second insulating rod is connected to the metal hook, and the metal hook is connected to the tested equipment.

Compared with the prior art, the utility model has the beneficial effect that, through the setting of the primary, secondary and tertiary wiring terminals, the equipment does not need to repeat the wiring when conducting the primary, secondary and tertiary tests. It only needs to change the wiring method by closing the switch, thus avoiding multiple climbing by the test personnel, improving the wiring switching efficiency and the test safety, and providing a universal insulated hanging hook, which is convenient for directly connecting the operating box with the test equipment to avoid climbing.

BRIEF DESCRIPTION OF THE DRAWINGS

Fig. 1 is a schematic structural diagram of the utility model.

FIG. 2 is a front view of the operating box of the present invention.

FIG. 3 is a top view 1 of the operation box of the present invention.

FIG. 4 is a top view 2 of the operation box in the present utility model.

FIG. 5 is a top view 3 of the operation box in the present utility model.

FIG. 6 is a front view of the universal insulating wire hook of the present invention.

In the figure: 1: operation box; 2: primary wiring input terminal of the equipment; 201: primary A phase wiring input terminal of the equipment; 202: primary B phase wiring input terminal of the equipment; 203: primary C phase wiring input terminal of the equipment; 204: primary 0 phase wiring input terminal of the equipment; 3: secondary wiring input terminal of the equipment; 301: secondary Am phase wiring input terminal of the equipment; 302: secondary Bm phase wiring input terminal of the equipment; 303: secondary Cm phase wiring input terminal of the equipment; 304: secondary 0m phase wiring input terminal of the equipment; 4: tertiary wiring input terminal of the equipment Terminal; 401: Equipment tertiary a-phase wiring input terminal; 402: Equipment tertiary b-phase wiring input terminal; 403: Equipment tertiary c-phase wiring input terminal; 404: Equipment tertiary 0-phase wiring input terminal; 5: Operation box grounding terminal; 6: Signal line access terminal; 7: Power line input terminal; 8: Instrument primary transfer terminal; 801: Primary A-phase wiring transfer terminal; 802: Instrument primary B-phase wiring transfer terminal; 803: Instrument primary C-phase wiring transfer terminal; 804: Instrument primary 0-phase wiring transfer terminal; 9: Instrument secondary transfer terminal; 901: Instrument secondary Am phase wiring adapter terminal; 902: Instrument secondary Bm phase wiring adapter terminal; 903: Instrument secondary Cm phase wiring adapter terminal; 904: Instrument secondary 0m phase wiring adapter terminal; 10: Instrument tertiary wiring adapter terminal; 1001: Instrument tertiary a phase wiring adapter terminal; 1002: Instrument tertiary b phase wiring adapter terminal; 1003: Instrument tertiary c phase wiring adapter terminal; 1004: Instrument tertiary 0 phase wiring adapter terminal; 11: Primary short circuit test terminal; 12: Secondary short circuit test terminal; 13: Tertiary short circuit test terminal Connect to the test terminal; 14: Single-pole single-position short-circuit switch at the primary terminal; 15: Single-pole single-position short-circuit switch at the secondary terminal; 16: Single-pole single-position short-circuit switch at the tertiary terminal; 17: Single-pole single-position grounding switch for primary short-circuit; 18: Single-pole single-position grounding switch for secondary short-circuit; 19: Single-pole single-position grounding switch for tertiary short-circuit; 20: Grounding transfer terminal; 21: Signal line transfer terminal; 22: Leakage protector; 23: Power output terminal; 24: First insulating rod; 25: Second insulating rod; 26: Universal joint; 27: Metal hook.

DETAILED DESCRIPTION

The specific implementation of the utility model of a wiring auxiliary device for transformer high voltage test equipment is as follows:

A wiring auxiliary device for transformer high voltage test equipment, as shown in FIGS. 1 to 6, comprises an operation box 1,

The front of the operation box 1 is provided with a primary wiring input terminal 2 of the equipment, a secondary wiring input terminal 3 of the equipment, a tertiary wiring input terminal 4 of the equipment, a signal line access terminal 6, and an operation box grounding terminal 5;

The top of the operation box 1 is provided with an instrument primary transfer terminal 8, an instrument secondary transfer terminal 9, an instrument tertiary transfer terminal 10, a primary wiring terminal single-pole single-position shorting switch 14, a secondary wiring terminal single-pole single-position shorting switch 15, a tertiary wiring terminal single-pole single-position shorting switch 16, a primary short-circuit test terminal 11, a secondary short-circuit test terminal 12, a tertiary short-circuit test terminal 13, a primary short-circuit single-pole single-position grounding switch 17, a secondary short-circuit single-pole single-position grounding switch 18, a tertiary short-circuit single-pole single-position grounding switch 19, a signal line transfer terminal 21, and a grounding transfer terminal 20.

The equipment primary wiring input terminal 2 includes the equipment primary A phase wiring input terminal 201, the equipment primary B phase wiring input terminal 202, the equipment primary C phase wiring input terminal 203, and the equipment primary 0 phase wiring input terminal 204. The instrument primary transfer terminal 8 includes the instrument primary A phase wiring transfer terminal 801, the instrument primary B phase wiring transfer terminal 802, the instrument primary C phase wiring transfer terminal 803, and the instrument primary 0 phase wiring transfer terminal 804; the equipment primary A phase wiring input terminal 201, the equipment primary B phase wiring input terminal 202, the equipment primary C phase wiring input terminal 203, and the equipment primary 0 phase wiring input terminal 204 are respectively electrically connected to the instrument primary A phase wiring transfer terminal 801 , instrument primary B phase wiring adapter terminal 802, instrument primary C phase wiring adapter terminal 803, instrument primary 0 phase wiring adapter terminal 804, and instrument primary A phase wiring adapter terminal 801, instrument primary B phase wiring adapter terminal 802, instrument primary C phase wiring adapter terminal 803, instrument primary 0 phase wiring adapter terminal 804 are respectively electrically connected to the primary short-circuit test terminal 11 through four primary wiring terminal single-pole single-position short-circuit switches 14 arranged below them, the primary short-circuit test terminal 11, the primary wiring terminal single-pole single-position short-circuit switch 14, the primary short-circuit single-pole single-position grounding switch 17, and the grounding adapter terminal 20 are electrically connected in sequence, and the grounding adapter terminal 20 is used to connect the grounding terminal of the test instrument;

The equipment secondary wiring input terminal 3 includes an equipment secondary Am phase wiring input terminal 301, an equipment secondary Bm phase wiring input terminal 302, an equipment secondary Cm phase wiring input terminal 303, and an equipment secondary 0m phase wiring input terminal 304; the instrument secondary transfer terminal 9 includes an instrument secondary Am phase wiring transfer terminal 901, an instrument secondary Bm phase wiring transfer terminal 902, an instrument secondary Cm phase wiring transfer terminal 903, and an instrument secondary 0m phase wiring transfer terminal 904; the equipment secondary Am phase wiring input terminal 301, the equipment secondary Bm phase wiring input terminal 302, the equipment secondary Cm phase wiring input terminal 303, and the equipment secondary 0m phase wiring input terminal 304 are electrically connected to the instrument secondary Am phase wiring transfer terminal 901, the instrument secondary Bm phase wiring input terminal 902, the instrument secondary Cm phase wiring input terminal 903, and the instrument secondary 0m phase wiring transfer terminal 904. Terminal 901, instrument secondary Bm phase wiring adapter terminal 902, instrument secondary Cm phase wiring adapter terminal 903, instrument secondary 0m phase wiring adapter terminal 904, and instrument secondary Am phase wiring adapter terminal 901, instrument secondary Bm phase wiring adapter terminal 902, instrument secondary Cm phase wiring adapter terminal 903, instrument secondary 0m phase wiring adapter terminal 904 are respectively electrically connected to the secondary short-circuit test terminal 12 through four secondary wiring terminal single-pole single-position short-circuit switches 15 arranged below them, and the secondary short-circuit test terminal 12, the secondary wiring terminal single-pole single-position short-circuit switch 15, the secondary short-circuit single-pole single-position grounding switch 18, and the grounding adapter terminal 20 are electrically connected, and the grounding adapter terminal 20 is used to connect the grounding terminal of the test instrument;

The equipment tertiary wiring input terminal 4 includes an equipment tertiary a-phase wiring input terminal 401, an equipment tertiary b-phase wiring input terminal 402, an equipment tertiary c-phase wiring input terminal 403, and an equipment tertiary 0-phase wiring input terminal 404; the instrument tertiary transfer terminal 10 includes an instrument tertiary a-phase wiring transfer terminal 1001, an instrument tertiary b-phase wiring transfer terminal 1002, an instrument tertiary c-phase wiring transfer terminal 1003, and an instrument tertiary 0-phase wiring transfer terminal 1004; the equipment tertiary a-phase wiring input terminal 401, the equipment tertiary b-phase wiring input terminal 402, the equipment tertiary c-phase wiring input terminal 403, and the equipment tertiary 0-phase wiring input terminal 404 are respectively electrically connected to the instrument tertiary a-phase wiring transfer terminal 1001 , instrument tertiary b-phase wiring adapter terminal 1002, instrument tertiary c-phase wiring adapter terminal 1003, instrument tertiary 0-phase wiring adapter terminal 1004, and instrument tertiary a-phase wiring adapter terminal 1001, instrument tertiary b-phase wiring adapter terminal 1002, instrument tertiary c-phase wiring adapter terminal 1003, instrument tertiary 0-phase wiring adapter terminal 1004 are respectively electrically connected to the tertiary short-circuit test terminal 13 through four tertiary wiring terminal single-pole single-position short-circuit switches 16 arranged below them, and the tertiary short-circuit test terminal 13, the tertiary wiring terminal single-pole single-position short-circuit switch 16, the tertiary short-circuit single-pole single-position grounding switch 19, and the grounding adapter terminal 20 are electrically connected, and the grounding adapter terminal 20 is used to connect the grounding terminal of the test instrument;

The signal line access terminal 6 is electrically connected to the signal line adapter terminal 21, the operation box ground terminal 5 is electrically connected to the ground wire through a wire, and the ground adapter terminal 20 is electrically connected to the operation box ground terminal 5

A power line input terminal 7 is provided at the front of the operation box 1, and a power line output terminal 23 and a leakage protector 22 are provided at the top of the operation box 1. The power line input terminal 7 is electrically connected to an external power source, and the power line input terminal 7 is electrically connected to the power line output terminal 23 through the leakage protector 22;

The primary A phase wiring input terminal 201 of the equipment, the primary B phase wiring input terminal 202 of the equipment, the primary C phase wiring input terminal 203 of the equipment, the primary 0 phase wiring input terminal 204 of the equipment, the secondary Am phase wiring input terminal 301 of the equipment, the secondary Bm phase wiring input terminal 302 of the equipment, the secondary Cm phase wiring input terminal 303 of the equipment, the secondary 0m phase wiring input terminal 304 of the equipment, the tertiary a phase wiring input terminal 401 of the equipment, the tertiary b phase wiring input terminal 402 of the equipment, the tertiary c phase wiring input terminal 403 of the equipment, the tertiary 0 phase wiring input terminal 404 of the equipment, and the signal line access terminal 6 are respectively electrically connected to the universal insulating hanging hook through wires, and the universal insulating hanging hook is electrically connected to the tested equipment; the universal insulating hanging hook includes a first insulating rod 24, a second insulating rod 25, a universal joint 26 and a metal hook 27, the first insulating rod 24 is connected to the second insulating rod 25 through the universal joint 26, the end of the second insulating rod 25 is connected to the metal hook 27, and the metal hook 27 is connected to the tested equipment.

Workflow: Connect the A, B, C, and 0 phases of the primary, secondary, and tertiary terminals of the transformer to the primary A phase wiring input terminal 201, the primary B phase wiring input terminal 202, the primary C phase wiring input terminal 203, the primary 0 phase wiring input terminal 204, the secondary Am phase wiring input terminal 301, the secondary Bm phase wiring input terminal 302, the secondary Cm phase wiring input terminal 303, the secondary 0m phase wiring input terminal 304, the tertiary a phase wiring input terminal 401, the tertiary b phase wiring input terminal 402, the tertiary c phase wiring input terminal 403, and the tertiary 0 phase wiring input terminal 404 through the universal insulated hanging wire hook. When direct wiring is required During the test, for example, in the DC resistance test, the DC resistance tester is electrically connected to the instrument primary transfer terminal 8, the instrument secondary transfer terminal 9 or the instrument tertiary transfer terminal 10 corresponding to the test end, and the ground transfer terminal 20 is connected to the ground terminal of the test instrument. At this time, the transformer test end is directly connected to the instrument primary transfer terminal 8, the instrument secondary transfer terminal 9 or the instrument tertiary transfer terminal 10 through the equipment primary wiring input terminal 2, the equipment secondary wiring input terminal 3, and the equipment tertiary wiring input terminal 4 to complete the test; when a short-circuit or short-circuit grounding test is required, such as in a dielectric consumption test or a capacitance test, taking the primary end of the transformer as the test end and the secondary and tertiary ends as non-test ends, the test instrument is connected to a short circuit. On the test terminal 11, the ground transfer terminal 20 is connected to the ground terminal of the test instrument, the single-pole single-position shorting switch 14 of the primary terminal is closed, and the single-pole single-position grounding switch 17 of the primary shorting is opened, so that the transformer is short-circuited with the instrument through the single-pole single-position shorting switch 14 of the primary terminal, but not grounded, and then the single-pole single-position shorting switch 15 of the secondary terminal, the single-pole single-position shorting switch 16 of the tertiary terminal, the single-pole single-position grounding switch 18 of the secondary shorting and the single-pole single-position grounding switch 19 of the tertiary shorting are closed to realize the short-circuit and grounding of the non-test terminal, and complete the test. If the tertiary terminal of the transformer is used as the test terminal and the primary and secondary terminals are non-test terminals, the operation method is similar to the above; if the secondary terminal of the transformer is used as the test terminal and the primary and tertiary terminals are non-test terminals, the operation method is similar to the above; if the secondary terminal of the transformer is used as the test terminal and the primary and tertiary terminals are non-test terminals, the operation method is similar to the above; Taking the test end as an example, the test instrument is connected to the secondary short-circuit test end 12, the ground adapter end 20 is connected to the ground end of the test instrument, the secondary terminal single-pole single-position short-circuit switch 15 is closed, and the secondary short-circuit single-pole single-position grounding switch 18 is opened, so that the transformer is short-circuited with the test instrument through the secondary terminal single-pole single-position short-circuit switch 15, but not grounded, and then the primary terminal single-pole single-position short-circuit switch 14, the tertiary terminal single-pole single-position short-circuit switch 16, the primary short-circuit single-pole single-position grounding switch 17 and the tertiary short-circuit single-pole single-position grounding switch 19 are closed to achieve short-circuit and grounding of the non-test end, and the transformer bushing lead-out end is electrically connected to the signal line access end 6, and the signal line adapter end 21 is electrically connected to the test instrument to complete the test.

Claims (7)

1. A wiring auxiliary device for transformer high voltage test equipment, characterized in that it comprises an operation box (1), The front of the operation box (1) is provided with a primary wiring input terminal (2), a secondary wiring input terminal (3), a tertiary wiring input terminal (4), a signal line access terminal (6), and an operation box grounding terminal (5); The top of the operation box (1) is provided with an instrument primary transfer terminal (8), an instrument secondary transfer terminal (9), an instrument tertiary transfer terminal (10), a primary wiring terminal single-pole single-position shorting switch (14), a secondary wiring terminal single-pole single-position shorting switch (15), a tertiary wiring terminal single-pole single-position shorting switch (16), a primary shorting test terminal (11), a secondary shorting test terminal (12), a tertiary shorting test terminal (13), a primary shorting single-pole single-position grounding switch (17), a secondary shorting single-pole single-position grounding switch (18), a tertiary shorting single-pole single-position grounding switch (19), a signal line transfer terminal (21), and a grounding transfer terminal (20); The signal line access terminal (6) is electrically connected to the signal line adapter terminal (21), the operation box ground terminal (5) is electrically connected to the ground wire, and the ground adapter terminal (20) is electrically connected to the operation box ground terminal (5); The primary wiring input terminal (2) of the device is electrically connected to the primary transfer terminal (8) of the instrument, the primary transfer terminal (8) of the instrument is electrically connected to the primary short-circuit test terminal (11) through the primary wiring terminal single-pole single-position short-circuit switch (14), the primary wiring terminal single-pole single-position short-circuit switch (14), the primary short-circuit single-pole single-position grounding switch (17), and the grounding transfer terminal (20) are electrically connected in sequence; The secondary wiring input terminal (3) of the equipment is electrically connected to the secondary transfer terminal (9) of the instrument, and the secondary transfer terminal (9) of the instrument is electrically connected to the secondary short-circuit test terminal (12) through the secondary wiring terminal single-pole single-position short-circuit switch (15), and the secondary wiring terminal single-pole single-position short-circuit switch (15), the secondary short-circuit single-pole single-position grounding switch (18), and the grounding transfer terminal (20) are electrically connected in sequence; The tertiary wiring input terminal (4) of the device is electrically connected to the tertiary switching terminal (10) of the instrument, and the tertiary switching terminal (10) of the instrument is electrically connected to the tertiary short-circuit test terminal (13) through the tertiary wiring terminal single-pole single-position short-circuit switch (16), and the tertiary wiring terminal single-pole single-position short-circuit switch (16), the tertiary short-circuit single-pole single-position grounding switch (19), and the grounding switching terminal (20) are electrically connected in sequence. 2. A substation high-voltage test equipment wiring auxiliary device according to claim 1, characterized in that the equipment primary wiring input terminal (2) includes the equipment primary A-phase wiring input terminal (201), the equipment primary B-phase wiring input terminal (202), the equipment primary C-phase wiring input terminal (203), and the equipment primary 0-phase wiring input terminal (204); the instrument primary transfer terminal (8) includes the instrument primary A-phase wiring transfer terminal (801), the instrument primary B-phase wiring transfer terminal (802), the instrument primary C-phase wiring transfer terminal (803), and the instrument primary 0-phase wiring transfer terminal (804); the equipment primary A-phase wiring input terminal (201), the equipment primary B-phase wiring input terminal (202), the equipment primary C phase wiring input terminal (203), and the equipment primary 0 phase wiring input terminal (204) are respectively electrically connected to the instrument primary A phase wiring adapter terminal (801), the instrument primary B phase wiring adapter terminal (802), the instrument primary C phase wiring adapter terminal (803), and the instrument primary 0 phase wiring adapter terminal (804), and the instrument primary A phase wiring adapter terminal (801), the instrument primary B phase wiring adapter terminal (802), the instrument primary C phase wiring adapter terminal (803), and the instrument primary 0 phase wiring adapter terminal (804) are respectively electrically connected to the primary short-circuit test terminal (11) through four primary terminal single-pole single-position short-circuit switches (14) arranged below them. 3. A substation high-voltage test equipment wiring auxiliary device according to claim 1, characterized in that the equipment secondary wiring input terminal (3) includes an equipment secondary Am phase wiring input terminal (301), an equipment secondary Bm phase wiring input terminal (302), an equipment secondary Cm phase wiring input terminal (303), and an equipment secondary 0m phase wiring input terminal (304); the instrument secondary transfer terminal (9) includes an instrument secondary Am phase wiring transfer terminal (901), an instrument secondary Bm phase wiring transfer terminal (902), an instrument secondary Cm phase wiring transfer terminal (903), and an instrument secondary 0m phase wiring transfer terminal (904); the equipment secondary Am phase wiring input terminal (301), the equipment secondary Bm phase wiring input terminal (302), the equipment secondary Cm phase wiring input terminal (303), and the equipment secondary 0m phase wiring input terminal (304) are respectively electrically connected to the instrument secondary Am phase wiring adapter terminal (901), the instrument secondary Bm phase wiring adapter terminal (902), the instrument secondary Cm phase wiring adapter terminal (903), and the instrument secondary 0m phase wiring adapter terminal (904), and the instrument secondary Am phase wiring adapter terminal (901), the instrument secondary Bm phase wiring adapter terminal (902), the instrument secondary Cm phase wiring adapter terminal (903), and the instrument secondary 0m phase wiring adapter terminal (904) are respectively electrically connected to the secondary short-circuit test terminal (12) through four secondary wiring terminal single-pole single-position short-circuit switches (15) arranged below them. 4. A wiring auxiliary device for transformer high-voltage test equipment according to claim 1, characterized in that the equipment tertiary wiring input terminal (4) includes the equipment tertiary a-phase wiring input terminal (401), the equipment tertiary b-phase wiring input terminal (402), the equipment tertiary c-phase wiring input terminal (403), and the equipment tertiary 0-phase wiring input terminal (404), and the instrument tertiary switching terminal (10) includes the instrument tertiary a-phase wiring switching terminal (1001), the instrument tertiary b-phase wiring switching terminal (1002), the instrument tertiary c-phase wiring switching terminal (1003), and the instrument tertiary 0-phase wiring switching terminal (1004), the equipment tertiary a-phase wiring input terminal (401), the equipment tertiary b-phase wiring input terminal ( 402), the equipment tertiary c phase wiring input terminal (403), and the equipment tertiary 0 phase wiring input terminal (404) are respectively electrically connected to the instrument tertiary a phase wiring adapter terminal (1001), the instrument tertiary b phase wiring adapter terminal (1002), the instrument tertiary c phase wiring adapter terminal (1003), and the instrument tertiary 0 phase wiring adapter terminal (1004), and the instrument tertiary a phase wiring adapter terminal (1001), the instrument tertiary b phase wiring adapter terminal (1002), the instrument tertiary c phase wiring adapter terminal (1003), and the instrument tertiary 0 phase wiring adapter terminal (1004) are respectively electrically connected to the tertiary short-circuit test terminal (13) through four tertiary terminal single-pole single-position short-circuit switches (16) arranged below them. 5. A wiring auxiliary device for transformer high-voltage test equipment according to claim 1, characterized in that a power line input terminal (7) is provided at the front of the operating box (1), a power line output terminal (23) and a leakage protector (22) are provided at the top of the operating box (1), the power line input terminal (7) is electrically connected to an external power supply, and the power line input terminal (7) is electrically connected to the power line output terminal (23) through the leakage protector (22). 6. A wiring auxiliary device for transformer high-voltage test equipment according to claim 1, characterized in that the equipment primary wiring input terminal (2), the equipment secondary wiring input terminal (3), the equipment tertiary wiring input terminal (4), and the signal line access terminal (6) are respectively electrically connected to the universal insulated hanging hook through wires, and the universal insulated hanging hook is electrically connected to the tested equipment. 7. A wiring auxiliary device for transformer high-voltage test equipment according to claim 6, characterized in that the universal insulating wire hook comprises a first insulating rod (24), a second insulating rod (25), a universal joint (26) and a metal hook (27), the first insulating rod (24) is connected to the second insulating rod (25) through the universal joint (26), the end of the second insulating rod (25) is connected to the metal hook (27), and the metal hook (27) is connected to the tested equipment.