CN104991095A - Transformer test wiring general apparatus - Google Patents
Transformer test wiring general apparatus Download PDFInfo
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- CN104991095A CN104991095A CN201510456721.8A CN201510456721A CN104991095A CN 104991095 A CN104991095 A CN 104991095A CN 201510456721 A CN201510456721 A CN 201510456721A CN 104991095 A CN104991095 A CN 104991095A
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Abstract
The invention discloses a transformer test wiring general apparatus which is used for transformer tests. The apparatus comprises a test cable for test line communication. One end of the test cable is provided with a cable box plug (3) while the other end is provided with a cable clamp plug (4). The apparatus further comprises a fixing cable clamp and an integrating cable box. A cable clamp socket (6) used for communicating with the cable clamp plug (4) and a clamping device (5) used for being detachably connected with a transformer bushing are arranged on the fixing cable clamp. Cable box sockets (1) used for communicating with the cable box plug (3) and current voltage terminals (2) used for communicating with general detecting instruments are arranged on the integrating cable box. The cable box sockets (1) and the current voltage terminals (2) are communicated. One-time wiring on the transformer bushing part can be achieved during a transformer test. The frequency of climbing high to replace wirings can be reduced. The working efficiency is improved. The safety hazards are eliminated.
Description
Technical field
The present invention relates to transformer test field, particularly relate 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.
Summary of the invention
The object of this invention is to provide a kind of transformer test wiring fexible unit, 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 invention 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.
Transformer test wiring fexible unit provided by the invention, 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 present invention;
Fig. 2 is the structural representation of a kind of embodiment of the test cable of transformer test wiring fexible unit provided by the present invention;
Fig. 3 is the structural representation of a kind of embodiment of the fixing clamper of transformer test wiring fexible unit provided by the present invention;
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 present invention.
Embodiment
Core of the present invention 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 present invention program better, below in conjunction with the drawings and specific embodiments, the present invention 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 present invention; Fig. 2 is the structural representation of a kind of embodiment of the test cable of transformer test wiring fexible unit provided by the present invention; Fig. 3 is the structural representation of a kind of embodiment of the fixing clamper of transformer test wiring fexible unit provided by the present invention; 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 present invention.
The transformer test wiring fexible unit that the specific embodiment of the invention 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 specific embodiment of the invention 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 scope of the present invention.
In the transformer test wiring fexible unit that the specific embodiment of the invention 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 scope of the present invention.
In the transformer test wiring fexible unit that the specific embodiment of the invention 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 scope of the present invention.
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 scope of the present invention.
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 scope of the present invention.
The transformer test wiring fexible unit that another kind of embodiment of the present invention 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 scope of the present invention.
In the transformer test wiring fexible unit that the specific embodiment of the invention 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 can not be provided with load switch power supply and introduce joint 14 and loaded switch switching push button 15, also within protection scope of the present invention.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 scope of the present invention.
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 scope of the present invention.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 scope of the present invention.
Above transformer test wiring fexible unit provided by the present invention is described in detail.Apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.
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).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510456721.8A CN104991095B (en) | 2015-07-29 | 2015-07-29 | A kind of transformer test wiring fexible unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510456721.8A CN104991095B (en) | 2015-07-29 | 2015-07-29 | A kind of transformer test wiring fexible unit |
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| CN104991095A true CN104991095A (en) | 2015-10-21 |
| CN104991095B CN104991095B (en) | 2018-08-10 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105301298A (en) * | 2015-11-30 | 2016-02-03 | 杭州西湖电子研究所 | Branching clamp used for power transformer automatic detection |
| CN106706970A (en) * | 2017-01-16 | 2017-05-24 | 国家电网公司 | Transformer direct-current resistance test connection switching box |
| CN107643426A (en) * | 2016-07-20 | 2018-01-30 | 国网辽宁省电力有限公司丹东供电公司 | Control cabinet for transmission line parameter test lead |
| CN107732574A (en) * | 2017-09-06 | 2018-02-23 | 国网浙江省电力公司嘉兴供电公司 | A kind of transformer test connector |
| CN108508363A (en) * | 2018-05-09 | 2018-09-07 | 上海电机系统节能工程技术研究中心有限公司 | The termination and its working method of producing line on-line checking are manufactured for intelligent motor |
| CN108896787A (en) * | 2018-07-04 | 2018-11-27 | 国网宁夏电力有限公司吴忠供电公司 | A kind of small bus ring connection device of integrated form |
| CN112578199A (en) * | 2020-11-18 | 2021-03-30 | 国网山西省电力公司晋城供电公司 | Integrated electrical testing device |
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| CN107732574A (en) * | 2017-09-06 | 2018-02-23 | 国网浙江省电力公司嘉兴供电公司 | A kind of transformer test connector |
| CN108508363A (en) * | 2018-05-09 | 2018-09-07 | 上海电机系统节能工程技术研究中心有限公司 | The termination and its working method of producing line on-line checking are manufactured for intelligent motor |
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| CN112578199A (en) * | 2020-11-18 | 2021-03-30 | 国网山西省电力公司晋城供电公司 | Integrated electrical testing device |
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