CN204989239U - Transformer test multipurpose plant of working a telephone switchboard - Google Patents

Transformer test multipurpose plant of working a telephone switchboard Download PDF

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Publication number
CN204989239U
CN204989239U CN201520561355.8U CN201520561355U CN204989239U CN 204989239 U CN204989239 U CN 204989239U CN 201520561355 U CN201520561355 U CN 201520561355U CN 204989239 U CN204989239 U CN 204989239U
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China
Prior art keywords
line box
transformer
socket
transformer test
plug
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Application number
CN201520561355.8U
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Chinese (zh)
Inventor
鲍巧敏
马涛
徐建文
张雪莉
许杰
陈超
厉律阳
杨帆
李旭东
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State Grid Corp of China SGCC
Hangzhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
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State Grid Corp of China SGCC
Hangzhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
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Priority to CN201520561355.8U priority Critical patent/CN204989239U/en
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Abstract

The utility model discloses a transformer test multipurpose plant of working a telephone switchboard for transformer test, including the experimental cable that is used for feeding through the hook up, the one end of experimental cable sets up wired box of plug (3), and the other end is provided with fastener plug (4), still including fixed fastener and integrated line box, be provided with on the fixed fastener be used for with fastener plug (4) the intercommunication fastener socket (6) and be used for can dismantling clamping device (5) be connected with transformer bushing, be provided with on the integrated line box be used for with the line box socket (1) of line box plug (3) intercommunication and current -voltage terminal (2) that are used for communicateing with conventional detecting instrument, line box socket (1) with current -voltage terminal (2) intercommunication. Can accomplish the disposable wiring of transformer bushing department when transformer test, it ascends a height to reduce changes the number of times of wiring, and then improves work efficiency and eliminate the potential safety hazard.

Description

A kind of transformer test wiring fexible unit
Technical field
The utility model relates to transformer test field, particularly relates to a kind of transformer test wiring fexible unit.
Background technology
Transformer is a kind of electric equipments in electric system, and carrying out regular test and maintenance to it is one of groundwork of substation equipment maintenance and repair.But not being specifically designed to the test cable of transformer test, the cable used in testing ground is the test wire that instrument itself carries.And the test wire of every platform instrument only considers this requirement tested, as thickness, length, whether be with shielding etc., and reckon without the singularity of transformer.
When using existing equipment to carry out transformer test, part test needs repeatedly change wiring at bushing shell for transformer place, and each replacing all needs to use rising ladder arrival transformer top to operate.Frequently to ascend a height replacing cable, can working time of at substantial, reduce work efficiency, and exist and fall and the potential safety hazard such as electric shock.
Therefore, how a kind of transformer test wiring fexible unit is provided, for completing the disposable wiring at bushing shell for transformer place when transformer test, reducing ascends a height changes the number of times of wiring, and then to increase work efficiency and eliminate safe hidden trouble be the current technical issues that need to address of those skilled in the art.
Utility model content
The purpose of this utility model is to provide a kind of transformer test wiring fexible unit, and for completing the disposable wiring at bushing shell for transformer place when transformer test, reducing ascends a height changes the number of times of wiring, and then increases work efficiency and eliminate safe hidden trouble.
For solving the problems of the technologies described above, the utility model provides a kind of transformer test wiring fexible unit, for transformer test, comprise the test cable for connection test circuit, one end of described test cable arranges wired box plug, the other end is provided with wire clamp plug, also comprise fixing clamper and integrated line box, described fixing clamper is provided with wire clamp socket for being communicated with described wire clamp plug and the clamp device for removably connecting with bushing shell for transformer, described integrated line box is provided with the line box socket for being communicated with described line box plug and the current/voltage terminal for being communicated with conventional sense instrument, described line box socket is communicated with described current/voltage terminal.
Preferably, described test wire cable wrap is drawn together the single-core shielding line connected for signal, the silicone insulation layer wrapping up described single-core shielding line, is wrapped up the external shielding layer of described silicone insulation layer and wrap up the rubber sheath of described external shielding layer, and described external shielding layer is connected with the internal shield box of described integrated line box.
Preferably, described line box plug is specially two core aviation plugs, and described line box socket is specially two core aviation sockets, and described wire clamp plug is specially three core aviation plugs, and described wire clamp socket is specially three core aviation sockets.
Preferably, the described clamp device of described fixing clamper is specially crocodile clip, and the head of described crocodile clip can clamp described bushing shell for transformer, described crocodile clip is provided with wire clamp socket.
Preferably, two jig arm of described crocodile clip head are respectively arranged with semicircle aluminium ring, one end of described semicircle aluminium ring is connected with a jig arm of described crocodile clip head, the other end can with the ends contact of the semicircle aluminium ring in another jig arm, the described semicircle aluminium ring in two described jig arm can close and Perfect Ring around described bushing shell for transformer.
Preferably, described wire clamp socket place is provided with fixing bandage for being fixedly connected with described test cable or stay hook.
Preferably, the loaded switch power supply insulcrete face of described integrated line box is provided with for connecting external power source introduces joint and the loaded switch switching push button for controlling gear lifting.
Preferably, the insulating panel of described integrated line box comprises high pressure winding area, middle pressure winding area and low pressure winding area, be arranged at multiple described line box socket on described integrated line box and multiple described current/voltage terminal is distributed in above-mentioned three regions.
Preferably, each region in described high pressure winding area and Liang Ge region, described middle pressure winding area is provided with four described line box sockets and eight described current/voltage terminals, described low pressure winding area is provided with three described line box sockets and six described current/voltage terminals, and each region in above-mentioned three regions is provided with shield terminal and the switch for the described current/voltage terminal of short circuit four.
Preferably, described integrated line box also comprises the control circuit for the mode of connection that automatically switches, and described control circuit is communicated with described line box socket and described current/voltage terminal.
The transformer test wiring fexible unit that the utility model provides, for transformer test, comprise test cable, fixing clamper and integrated line box, the one end of wherein testing cable is connected by fixing clamper and bushing shell for transformer are stable, the other end is communicated with the line box socket on integrated line box, integrated line box is also provided with the current/voltage terminal for being communicated with conventional sense instrument, and line box socket is communicated with the inner structure of current/voltage terminal by integrated line box.During test, complete wiring bushing shell for transformer place is disposable, and current and voltage signals is directly introduced in integrated line box by test cable, pass through the current/voltage terminal mode of communicating different from conventional sense instrument again, multiple test can be carried out, avoid replacing wiring of repeatedly ascending a height, and then increase work efficiency and eliminate safe hidden trouble.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of the integrated line box of transformer test wiring fexible unit provided by the utility model;
Fig. 2 is the structural representation of a kind of embodiment of the test cable of transformer test wiring fexible unit provided by the utility model;
Fig. 3 is the structural representation of a kind of embodiment of the fixing clamper of transformer test wiring fexible unit provided by the utility model;
Fig. 4 is the structural representation of the another kind of embodiment of the fixing clamper of transformer test wiring fexible unit provided by the utility model.
Embodiment
Core of the present utility model is to provide a kind of transformer test wiring fexible unit, and for completing the disposable wiring at bushing shell for transformer place when transformer test, reducing ascends a height changes the number of times of wiring, and then increases work efficiency and eliminate safe hidden trouble.
In order to make those skilled in the art person understand the utility model scheme better, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Please refer to Fig. 1 to Fig. 4, Fig. 1 is the structural representation of a kind of embodiment of the integrated line box of transformer test wiring fexible unit provided by the utility model; Fig. 2 is the structural representation of a kind of embodiment of the test cable of transformer test wiring fexible unit provided by the utility model; Fig. 3 is the structural representation of a kind of embodiment of the fixing clamper of transformer test wiring fexible unit provided by the utility model; Fig. 4 is the structural representation of the another kind of embodiment of the fixing clamper of transformer test wiring fexible unit provided by the utility model.
The transformer test wiring fexible unit that the utility model embodiment provides, for transformer test, comprises test cable, fixing clamper and integrated line box.Wherein, integrated line box arranges wired box socket 1 and current/voltage terminal 2, and line box socket 1 is communicated with current/voltage terminal 2, one end of test cable arranges wired box plug 3, the other end is provided with wire clamp plug 4, and fixing clamper comprises clamp device 5 and wire clamp socket 6.
When preparing test, wire clamp socket 6 is communicated with wire clamp plug 4, the clamp device 5 that can removably connect with bushing shell for transformer is connected with bushing shell for transformer is stable, and the line box plug 3 of the test cable other end is communicated with line box socket 1, and conventional sense instrument is communicated with current/voltage terminal 2.
During test, complete wiring bushing shell for transformer place is disposable, and current and voltage signals is directly introduced in integrated line box by test cable, pass through current/voltage terminal 2 mode of communicating different from conventional sense instrument again, multiple test can be carried out, avoid replacing wiring of repeatedly ascending a height, and then increase work efficiency and eliminate safe hidden trouble.
In the transformer test wiring fexible unit that the utility model embodiment provides, test cable can have various structures form, can comprise single-core shielding line, silicone insulation layer, external shielding layer and rubber sheath.In above-mentioned each structure, single-core shielding line is positioned at penetralia, and each layer wraps up successively, forms the test cable with shielding insulation effect.Wherein single-core shielding line is used for signal connection, and external shielding layer is connected with the internal shield box of integrated line box, shields leakage current when can be used for dielectric loss and insulation resistance test.By arranging sandwich construction; shielded by external shielding layer; guarantee testing result is accurate; insulated by silicone insulation layer; ensure work safety, also can not be set to sandwich construction, or only setting unit structural sheet; also part test can be made to carry out smoothly, all within protection domain of the present utility model.
In the transformer test wiring fexible unit that the utility model embodiment provides, the two ends of test cable need to be connected with fixing clamper and integrated line box, particularly, line box plug 3 can be two core aviation plugs, line box socket 1 can be two core aviation sockets, wire clamp plug 4 can be three core aviation plugs, and wire clamp socket 6 can be three core aviation sockets.Aviation plug is used to coordinate with aviation socket; connect more stable and signal transmission better effects if; also other connected modes can be used; as plug and the socket of other types; or according to actual conditions need adjust the core number of aviation plug; as long as ensure the normal operation of transformer test wiring fexible unit, all within protection domain of the present utility model.
In the transformer test wiring fexible unit that the utility model embodiment provides, clamp device 5 can be specially crocodile clip, and the head of crocodile clip can clamp bushing shell for transformer, and on crocodile clip, be provided with wire clamp socket 6.Adopt crocodile clip conventional in test as clamp device 5, be easy to make, clamping process is convenient and be convenient to dismounting, also can adopt the clamp device 5 of other types, as long as ensure stable connection, all within protection domain of the present utility model.
When using crocodile clip as clamp device 5, semicircle aluminium ring 7 can be set respectively in two jig arm of crocodile clip head, one end of semicircle aluminium ring 7 is connected with a jig arm of crocodile clip head, the other end can with the ends contact of the semicircle aluminium ring 7 in another jig arm, the semicircle aluminium ring 7 in two jig arm can close and Perfect Ring around bushing shell for transformer.By arranging the semicircle aluminium ring 7 of arc, testing the distribution of electric field when improving high pressure, realizing uniform voltage function, and can prevent crocodile clip from dropping, semicircle aluminium ring 7 also can not be set, also within protection domain of the present utility model.
In order to the connection further between firm wire clamp socket 6 and test cable; fixing bandage for being fixedly connected with test cable or stay hook can be set at wire clamp socket 6 place; also other stationary installations can be set; as fixing buckle; as long as ensure stable connection, all within protection domain of the present utility model.
The transformer test wiring fexible unit that another kind of embodiment of the present utility model provides, provides another kind of clamp device 5, comprises voltage pole 10, electric current pole 8, clamping screw 9 and acting clamping wrench 11.Wherein voltage pole 10 comprises crossbeam and is arranged at the side arm at crossbeam two ends, a side arm arranges electric current pole 8 and wire clamp socket 6, another side arm is provided with the threaded hole coordinated with clamping screw 9, the position of threaded hole is corresponding with the position of electric current pole 8, one end of clamping screw 9 is provided with vertically disposed acting clamping wrench 11, and the other end of clamping screw 9 can pass threaded hole and be adjacent to the serrated face of electric current pole 8.During installation, pull acting clamping wrench 11, make clamping screw 9 to inner rotary, away from electric current pole 8, apart from time suitable, oppositely pull acting clamping wrench 11, clamping screw 9 is inwardly rotated, near electric current pole 8, clamping bushing shell for transformer.Wherein voltage pole 10 and electric current pole 8 can be used for providing voltage and current wiring when measuring.In this way, be applicable to the bushing shell for transformer of various different-diameter, and be connected firmly, not easily drop, also can adopt other forms of clamping mode, as long as ensure stable connection, all within protection domain of the present utility model.
In the transformer test wiring fexible unit that the utility model embodiment provides, can arrange on the insulating panel of integrated line box loaded switch power supply for connecting external power source introduce joint 14 and for control gear lifting loaded switch switching push button 15 for carrying out the test of main transformer direct current resistance.Can arrange three loaded switch power supplys and introduce joint 14, centre is negative polarity end, and upper and lower two interfaces control gear by the loaded switch switching push button 15 on side respectively and are elevated.Load ratio bridging switch gear switch is controlled at integrated line box place; gear is switched without the need to arranging special messenger at the control box place of load ratio bridging switch; improve work efficiency; also load switch power supply be can not be provided with and joint 14 and loaded switch switching push button 15 introduced, also within protection domain of the present utility model.
In the transformer test wiring fexible unit that above-mentioned each embodiment provides, in order to can a greater variety of test be carried out, can high pressure winding area, middle pressure winding area and low pressure winding area be set on the insulating panel of integrated line box, and be provided with and be distributed in above-mentioned trizonal multiple line box socket 1 and multiple current/voltage terminal 2.Distinguish different groupings by region, the connection of cable when being convenient to test, the grafting step in short form test, increases work efficiency, and also can not arrange grouping, as long as the accuracy of warranty test result, all within protection domain of the present utility model.
In order to simplify grafting step further, each region in high pressure winding area and Liang Ge region, middle pressure winding area is provided with four line box sockets 1 and eight current/voltage terminals 2, low pressure winding area is provided with three line box sockets 1 and six current/voltage terminals 2, and in each region, all arrange shield terminal 13 and the switch 12 for short circuit four current/voltage terminals.By arranging above-mentioned each device, enabling transformer test wiring fexible unit be applicable to a greater variety of test, above-mentioned each device also can not be set, or part is arranged, or adjust the quantity of each device, all within protection domain of the present utility model.And the word arranged on the insulating panel top of integrated line box, for Region dividing makes mark, the word that nameplate shows plays suggesting effect, is word intrinsic on equipment.
In order to simplify the operation further; control circuit can be set in integrated line box inside; control circuit is communicated with line box socket 1 and current/voltage terminal 2; and the automatic switchover mode of connection can be needed according to actual conditions; directly carry out the test needed; also can not control circuit be set, also within protection domain of the present utility model.
Above transformer test wiring fexible unit provided by the utility model is described in detail.Apply specific case herein to set forth principle of the present utility model and embodiment, the explanation of above embodiment just understands method of the present utility model and core concept thereof for helping.Should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model principle, can also carry out some improvement and modification to the utility model, these improve and modify and also fall in the protection domain of the utility model claim.

Claims (10)

1. a transformer test wiring fexible unit, for transformer test, comprise the test cable for connection test circuit, one end of described test cable arranges wired box plug (3), the other end is provided with wire clamp plug (4), it is characterized in that, also comprise fixing clamper and integrated line box, described fixing clamper is provided with wire clamp socket (6) for being communicated with described wire clamp plug (4) and the clamp device (5) for removably connecting with bushing shell for transformer, described integrated line box is provided with the line box socket (1) for being communicated with described line box plug (3) and the current/voltage terminal (2) for being communicated with conventional sense instrument, described line box socket (1) is communicated with described current/voltage terminal (2).
2. transformer test wiring fexible unit according to claim 1, it is characterized in that, described test wire cable wrap is drawn together the single-core shielding line connected for signal, the silicone insulation layer wrapping up described single-core shielding line, is wrapped up the external shielding layer of described silicone insulation layer and wrap up the rubber sheath of described external shielding layer, and described external shielding layer is connected with the internal shield box of described integrated line box.
3. transformer test wiring fexible unit according to claim 1, it is characterized in that, described line box plug (3) is specially two core aviation plugs, described line box socket (1) is specially two core aviation sockets, described wire clamp plug (4) is specially three core aviation plugs, and described wire clamp socket (6) is specially three core aviation sockets.
4. transformer test wiring fexible unit according to claim 1, it is characterized in that, the described clamp device (5) of described fixing clamper is specially crocodile clip, the head of described crocodile clip can clamp described bushing shell for transformer, described crocodile clip is provided with wire clamp socket (6).
5. transformer test wiring fexible unit according to claim 4, it is characterized in that, two jig arm of described crocodile clip head are respectively arranged with semicircle aluminium ring (7), described one end of semicircle aluminium ring (7) is connected with a jig arm of described crocodile clip head, the other end can with the ends contact of the semicircle aluminium ring (7) in another jig arm, the described semicircle aluminium ring (7) in two described jig arm can close and Perfect Ring around described bushing shell for transformer.
6. transformer test wiring fexible unit according to claim 5, is characterized in that, described wire clamp socket (6) place is provided with fixing bandage for being fixedly connected with described test cable or stay hook.
7. transformer test wiring fexible unit according to claim 1, it is characterized in that, the loaded switch power supply insulcrete face of described integrated line box is provided with for connecting external power source introduces joint (14) and the loaded switch switching push button (15) for controlling gear lifting.
8. the transformer test wiring fexible unit according to claim 1 to 7 any one, it is characterized in that, the insulating panel of described integrated line box comprises high pressure winding area, middle pressure winding area and low pressure winding area, be arranged at multiple described line box socket (1) on described integrated line box and multiple described current/voltage terminal (2) is distributed in above-mentioned three regions.
9. transformer test wiring fexible unit according to claim 8, it is characterized in that, each region in described high pressure winding area and Liang Ge region, described middle pressure winding area is provided with four described line box sockets (1) and eight described current/voltage terminals (2), described low pressure winding area is provided with three described line box sockets (1) and six described current/voltage terminals (2), and each region in above-mentioned three regions is provided with shield terminal (13) and the switch (12) for the described current/voltage terminal (2) of short circuit four.
10. transformer test wiring fexible unit according to claim 9, it is characterized in that, described integrated line box also comprises the control circuit for the mode of connection that automatically switches, and described control circuit is communicated with described line box socket (1) and described current/voltage terminal (2).
CN201520561355.8U 2015-07-29 2015-07-29 Transformer test multipurpose plant of working a telephone switchboard Active CN204989239U (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104991095A (en) * 2015-07-29 2015-10-21 国家电网公司 Transformer test wiring general apparatus
CN107942101A (en) * 2017-11-02 2018-04-20 国网浙江省电力公司嘉兴供电公司 A kind of portable transformer test harness device
CN108107240A (en) * 2018-02-14 2018-06-01 国家电网公司 One kind is suitable for transformer preventive trial and tests mode of connection
CN108414796A (en) * 2018-02-10 2018-08-17 国家电网公司 The general interconnecting device of portable transformer high-potting
CN109596865A (en) * 2018-12-21 2019-04-09 郑州云海信息技术有限公司 A kind of server master board Memory PI test contact pin adapter
CN111220826A (en) * 2019-12-05 2020-06-02 国网河南省电力公司南阳供电公司 Integrated transformer test device for electrical test of transformer
CN115275697A (en) * 2022-09-28 2022-11-01 广东电网有限责任公司东莞供电局 Quick low-voltage emergency access device for generator car

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104991095A (en) * 2015-07-29 2015-10-21 国家电网公司 Transformer test wiring general apparatus
CN104991095B (en) * 2015-07-29 2018-08-10 国家电网公司 A kind of transformer test wiring fexible unit
CN107942101A (en) * 2017-11-02 2018-04-20 国网浙江省电力公司嘉兴供电公司 A kind of portable transformer test harness device
CN108414796A (en) * 2018-02-10 2018-08-17 国家电网公司 The general interconnecting device of portable transformer high-potting
CN108107240A (en) * 2018-02-14 2018-06-01 国家电网公司 One kind is suitable for transformer preventive trial and tests mode of connection
CN109596865A (en) * 2018-12-21 2019-04-09 郑州云海信息技术有限公司 A kind of server master board Memory PI test contact pin adapter
CN109596865B (en) * 2018-12-21 2021-03-09 苏州浪潮智能科技有限公司 Server mainboard Memory PI test contact pin adapter
CN111220826A (en) * 2019-12-05 2020-06-02 国网河南省电力公司南阳供电公司 Integrated transformer test device for electrical test of transformer
CN115275697A (en) * 2022-09-28 2022-11-01 广东电网有限责任公司东莞供电局 Quick low-voltage emergency access device for generator car
CN115275697B (en) * 2022-09-28 2023-02-10 广东电网有限责任公司东莞供电局 Quick low-voltage emergency access device for generator car

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