CN107359433A - A kind of three-way connection and its application method suitable for high-power transformer lead connection - Google Patents

A kind of three-way connection and its application method suitable for high-power transformer lead connection Download PDF

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Publication number
CN107359433A
CN107359433A CN201710531524.7A CN201710531524A CN107359433A CN 107359433 A CN107359433 A CN 107359433A CN 201710531524 A CN201710531524 A CN 201710531524A CN 107359433 A CN107359433 A CN 107359433A
Authority
CN
China
Prior art keywords
pipe
way connection
connection
power transformer
transformer lead
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710531524.7A
Other languages
Chinese (zh)
Inventor
魏喜柱
崔玉恒
王伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wolong Electric Drive Group Co Ltd
Wolong Electric Yantai Dongyuan Transformer Co Ltd
Original Assignee
Wolong Electric Group Co Ltd
Wolong Electric Yantai Dongyuan Transformer Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wolong Electric Group Co Ltd, Wolong Electric Yantai Dongyuan Transformer Co Ltd filed Critical Wolong Electric Group Co Ltd
Priority to CN201710531524.7A priority Critical patent/CN107359433A/en
Publication of CN107359433A publication Critical patent/CN107359433A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/01Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the form or arrangement of the conductive interconnection between the connecting locations
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/03Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations
    • H01R11/09Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations the connecting locations being identical
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/02Soldered or welded connections
    • H01R4/029Welded connections
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/10Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • H01R4/20Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping using a crimping sleeve
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/04Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
    • H01R43/048Crimping apparatus or processes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00Connectors or connections adapted for particular applications
    • H01R2201/22Connectors or connections adapted for particular applications for transformers or coils

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)

Abstract

A kind of three-way connection and its application method suitable for high-power transformer lead connection, it is related to field transformer.Traditional leader cable connection use phosphor-copper welding technique, and complex operation, technology difficulty is big, and cost is high, and security is low during welding, if protection is not in place during welding, easy scaling loss insulation and welds debris and falls into device body.The three-way connection of the present invention is cold-pressed joint, first including transverse direction manages and is vertically connected at the second pipe of top in the middle part of the first pipe, the horizontal symmetrical middle part of the first described pipe be provided with before and after 2 to through peep hole, the bottom of the second described pipe adjacent to the junction of the first pipe be provided with before and after 2 to through peep hole.The technical program can be used directly armstrong's patent pressing tongs by being cold-pressed three-way connection, without operation of getting angry and press, and so facilitates lead attended operation, improves the security of operation, save manufacturing cost, peep hole is easy to observe wire or whether cable inserts in place.

Description

A kind of three-way connection and its application method suitable for high-power transformer lead connection
Technical field
The present invention relates to field transformer;Especially a kind of three-way connection suitable for high-power transformer lead connection and Its application method.
Background technology
Traditional leader cable connection use phosphor-copper welding technique, and complex operation, technology difficulty is big, cost height, during welding Security is low, if protection is not in place during welding, easy scaling loss insulation and welding debris fall into device body.
The content of the invention
The technical problem to be solved in the present invention and the technical assignment proposed are prior art to be improved with being improved, A kind of three-way connection and its application method suitable for high-power transformer lead connection is provided, to facilitate operation, lifting safety For the purpose of property.Therefore, the present invention takes following technical scheme.
A kind of three-way connection suitable for high-power transformer lead connection, described three-way connection are cold-pressed joint, bag Include the first horizontal pipe and be vertically connected at the second pipe of top in the middle part of the first pipe, the horizontal symmetrical middle part of the first described pipe Provided with before and after 2 to through peep hole, the bottom of the second described pipe adjacent to the junction of the first pipe be provided with 2 before and after to passing through The peep hole worn.By being cold-pressed three-way connection, armstrong's patent pressing tongs can be used directly without operation of getting angry and press, so facilitate Lead attended operation, the security for improving operation, manufacturing cost is saved, peep hole is easy to observe wire or whether cable inserts In place.
As further improving and supplementing to above-mentioned technical proposal, present invention additionally comprises following additional technical feature.
The first described pipe and the second pipe use copper tube, are welded between the two using brass.Red copper ductility is good, is easy to Cold weld, it is connected firmly by brass welding manner, cost is low.
The first described pipe and the second pipe equal diameter;The second described pipe and the connection upper end of the first pipe are with being connected lower end Vertical distance is between 6 ~ 10mm.It is low using equal diameter pipe manufacturing cost, less vertical spacing, be easy to welding when obtain compared with Good welding quality, it is not easy to rosin joint.
The first described pipe and the internal diameter of the second pipe are more than 1 ~ 2mm of lead external diameter of required connection.Suitable gap makes to draw Easily insertion will not reduce crimp quality to line because gap is too big again.
Described soldered is between 5*5 ~ 6*6mm.Weld size is suitable, is easy to welding to operate.
Tin coating is provided with inside described three-way connection.Tin coating adds electric conductivity, prevents the oxidation of copper, the company of improving The electric property connect.
A kind of application method of three-way connection suitable for high-power transformer lead connection, comprises the following steps:
1)Deburring, surface and inside are carried out to three-way connection to be processed by shot blasting, integrally made annealing treatment, and examine before welding Look into and whether there is dry joint;
2)Wire is inserted in three-way connection, and is inserted into position and is in contact;
3)Pressed using armstrong's patent pressing tongs, press depth and reach the limit,
4)The edges and corners Ricoh of three-way connection is slided after crimping, and carries out shielding processing.
Hole observation according to the observation judges whether wire or cable insert in place.Ensure insertion in place, occur without virtual connection.
Before crimping, if the interior interporal lacuna of wire or cable and three-way connection is larger, after being suitably filled with thin bare copper wire Crimp again.Lift crimp quality, the deflection of three-way connection when reducing crimping.
Described presses two crimping of the crimping using 90 degree of dislocation between point.After a crimping point crimping, pressing tongs edge Pipeline direction is mobile and is rotated by 90 ° progress second point crimping, and crimping is firm, and quality is good.
Beneficial effect:Using cold pressing three-way connection lead crimp, make lead connection accomplish simple to operate, safe material-saving, Profile neat appearance after having shielded makes Electric Field Distribution at this evenly, reduce shelf depreciation, saves manufacturing cost.
Brief description of the drawings
Fig. 1 is positive structure diagram of the present invention.
Fig. 2 is side structure schematic view of the present invention.
In figure:1- first is managed;2- second is managed;3- peep holes;4- connections upper end;5- connections lower end.
Embodiment
Technical scheme is described in further detail below in conjunction with Figure of description.
As shown in Figure 1-2, a kind of three-way connection suitable for high-power transformer lead connection, three-way connection is cold weld Head, including the first horizontal pipe 1 and the second pipe 2 for being vertically connected at the middle part of the first pipe 1 top, the first pipe 1 it is horizontal symmetrical Middle part be provided with before and after 2 to through peep hole 3, the bottom of the second pipe 2 adjacent to the junction of the first pipe 1 be provided with 2 before and after to The peep hole 3 run through.By being cold-pressed three-way connection, armstrong's patent pressing tongs can be used directly without operation of getting angry and press, this sample prescription Lead attended operation, improve the security of operation, save manufacturing cost, peep hole 3 be easy to observe wire or cable be No insertion is in place.
Operated for the ease of cold weld, the first pipe 1 and the second pipe 2 are used copper tube, welded between the two using brass.It is purple Copper ductility is good, is easy to cold weld, is connected firmly by brass welding manner, cost is low.
In order to obtain preferable welding quality, the first pipe 1 and the equal diameter of the second pipe 2;The connection of second pipe 2 and the first pipe 1 Upper end 4 is with being connected the vertical distance of lower end 5 between 6 ~ 10mm.It is low using equal diameter pipe manufacturing cost, it is less it is vertical between Away from, be easy to welding when obtain preferable welding quality, it is not easy to rosin joint.
For the ease of grafting, the internal diameter of the first pipe 1 and the second pipe 2 is more than 1 ~ 2mm of lead external diameter of required connection.Suitably Gap makes lead easily insert and will not reduce crimp quality because gap is too big.
In order to facilitate welding, soldered is between 5*5 ~ 6*6mm.Weld size is suitable, is easy to welding to operate.
In order to lift electric property, the position of three-way connection interconnection cable is provided with tin coating.Tin coating, which adds, leads Electrically, the oxidation of copper is prevented, improves the electric property of connection.
A kind of application method of three-way connection suitable for high-power transformer lead connection, including following process:
1)Deburring, surface and inside are carried out to three-way connection to be processed by shot blasting, integrally made annealing treatment, and examine before welding Look into and whether there is dry joint;
2)Wire is inserted in three-way connection, the observation of hole 3 according to the observation judges whether wire or cable insert in place, ensures insertion In place, virtual connection is occurred without;
3)Before crimping, if when wire and larger interporal lacuna in three-way connection, crimp, lifted again after being suitably filled with thin bare copper wire Crimp quality, the deflection of three-way connection when reducing crimping;
4)Pressed using armstrong's patent pressing tongs, press depth and reach the limit, press two point crimping of the crimping using 90 degree of dislocation between point Method, after a crimping point crimping, pressing tongs, which is moved and is rotated by 90 ° along pipeline direction, carries out second point crimping, and crimping is firm, matter Measure;
The edges and corners Ricoh of three-way connection is slided after crimping, and carries out shielding processing to three-way connection, and the profile after having shielded is neat It is attractive in appearance Electric Field Distribution at this evenly, is reduced shelf depreciation.
A kind of three-way connection and its application method suitable for high-power transformer lead connection shown in figure 1 above -2 be The specific embodiment of the present invention, has embodied substantive distinguishing features of the present invention and progress, can be according to the use needs of reality, at this Under the enlightenment of invention, carry out the equivalent modifications of shape, structure etc. to it, this programme protection domain row.

Claims (10)

  1. A kind of 1. three-way connection suitable for high-power transformer lead connection, it is characterised in that:Described three-way connection is cold Crimp head, including the horizontal first pipe(1)Be vertically connected at the first pipe(1)The second pipe above middle part(2), described first Pipe(1)Horizontal symmetrical middle part be provided with before and after 2 to through peep hole(3), described second pipe(2)Bottom adjacent to One pipe(1)Junction be provided with 2 before and after to through peep hole(3).
  2. A kind of 2. three-way connection suitable for high-power transformer lead connection according to claim 1, it is characterised in that: The first described pipe(1)With the second pipe(2)Using copper tube, welded between the two using brass.
  3. A kind of 3. three-way connection suitable for high-power transformer lead connection according to claim 2, it is characterised in that: The first described pipe(1)With the second pipe(2)Equal diameter;The second described pipe(2)With the first pipe(1)Connection upper end(4)With connecting Connect lower end(5)Vertical distance between 6 ~ 10mm.
  4. A kind of 4. three-way connection suitable for high-power transformer lead connection according to claim 2, it is characterised in that: The first described pipe(1)With the second pipe(2)Internal diameter be more than 1 ~ 2mm of lead external diameter of required connection.
  5. A kind of 5. three-way connection suitable for high-power transformer lead connection according to claim 2, it is characterised in that: Described soldered is between 5*5 ~ 6*6mm.
  6. A kind of 6. three-way connection suitable for high-power transformer lead connection according to claim 1, it is characterised in that: Tin coating is provided with inside described three-way connection.
  7. 7. a kind of application method of three-way connection suitable for high-power transformer lead connection described in claim 1 is used, It is special
    1) deburring, surface and inside are carried out to three-way connection before welding to be processed by shot blasting, is integrally made annealing treatment, and examine Look into and whether there is dry joint;
    2) wire is inserted in three-way connection, and inserted in place;
    3) pressed using armstrong's patent pressing tongs, press depth and reach the limit;
    4) the edges and corners Ricoh of three-way connection is slided after crimping, and carries out shielding processing.
  8. 8. a kind of application method of three-way connection suitable for high-power transformer lead connection according to claim 7, It is characterized in that:Hole according to the observation(3)Observation judges whether wire or cable insert in place.
  9. 9. a kind of application method of three-way connection suitable for high-power transformer lead connection according to claim 7, It is characterized in that:Before crimping, if the interior interporal lacuna of wire or cable and three-way connection is larger, thin bare copper wire is suitably filled with Crimp again afterwards.
  10. 10. a kind of application method of three-way connection suitable for high-power transformer lead connection according to claim 7, It is characterized in that:Described presses two crimping of the crimping using 90 degree of dislocation between point.
CN201710531524.7A 2017-07-03 2017-07-03 A kind of three-way connection and its application method suitable for high-power transformer lead connection Pending CN107359433A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710531524.7A CN107359433A (en) 2017-07-03 2017-07-03 A kind of three-way connection and its application method suitable for high-power transformer lead connection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710531524.7A CN107359433A (en) 2017-07-03 2017-07-03 A kind of three-way connection and its application method suitable for high-power transformer lead connection

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CN107359433A true CN107359433A (en) 2017-11-17

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202454405U (en) * 2012-01-18 2012-09-26 山东达驰电气有限公司 Transformer lead connecting structure
CN203617100U (en) * 2013-12-20 2014-05-28 保定天威保变电气股份有限公司 Extra-high voltage converter transformer lead screening tube adjusting structure
CN104089125A (en) * 2014-07-01 2014-10-08 佛山市日丰企业有限公司 Direct insertion type quickly-connecting pipe fitting
CN204312920U (en) * 2014-11-21 2015-05-06 浙江伟星新型建材股份有限公司 A kind of combined type heavy caliber electric melting reducing tee pipe fitting
CN206194971U (en) * 2016-11-29 2017-05-24 山东中泰阳光电气科技有限公司 Connecting device of tubular busbar branch
CN206820128U (en) * 2017-07-03 2017-12-29 卧龙电气集团股份有限公司 A kind of three-way connection suitable for high-power transformer lead connection

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202454405U (en) * 2012-01-18 2012-09-26 山东达驰电气有限公司 Transformer lead connecting structure
CN203617100U (en) * 2013-12-20 2014-05-28 保定天威保变电气股份有限公司 Extra-high voltage converter transformer lead screening tube adjusting structure
CN104089125A (en) * 2014-07-01 2014-10-08 佛山市日丰企业有限公司 Direct insertion type quickly-connecting pipe fitting
CN204312920U (en) * 2014-11-21 2015-05-06 浙江伟星新型建材股份有限公司 A kind of combined type heavy caliber electric melting reducing tee pipe fitting
CN206194971U (en) * 2016-11-29 2017-05-24 山东中泰阳光电气科技有限公司 Connecting device of tubular busbar branch
CN206820128U (en) * 2017-07-03 2017-12-29 卧龙电气集团股份有限公司 A kind of three-way connection suitable for high-power transformer lead connection

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