CN102522196A - Welding technology of electromagnetic wire of transformer - Google Patents
Welding technology of electromagnetic wire of transformer Download PDFInfo
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- CN102522196A CN102522196A CN2011104287191A CN201110428719A CN102522196A CN 102522196 A CN102522196 A CN 102522196A CN 2011104287191 A CN2011104287191 A CN 2011104287191A CN 201110428719 A CN201110428719 A CN 201110428719A CN 102522196 A CN102522196 A CN 102522196A
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Abstract
The invention relates to the manufacture field of transformers, in particular to welding technology of an electromagnetic wire in a winding process of a transformer coil. An insulation layer at the welding position of the electromagnetic wire is peeled off first, terminals of the electromagnetic wire are trimmed into sections matching with each other through a hydraulic wire cutter, then the terminals of the electromagnetic wire are located and pressed tightly and welded through a middle frequency welder, and welding spots are polished after welding and wrapped up to be insulated. The welding technology adopts the middle frequency welder to weld the electromagnetic wire, welding sections are trimmed according to an electromagnetic type before welding, welding quality is high, the welding spots are small, polishing and cleaning work load is small, pollution to purification workshops and coils is greatly reduced, partial discharge of products is lowered, quality of the transformer and working efficiency of operators are improved.
Description
Technical field
The present invention relates to transformer manufacture technology, relate in particular to the electromagnetic wire welding procedure in the power transformer winding winding process.
Background technology
In coiling transformer coil process, need welding lead, there are a lot of problems in present wire welding process.Generally speaking, the welding between the solid conductor all is to use current lifting device and soldering turret, or overlap welding, or tiltedly joint welding; Use gas welding between transposed conductor and the composite conductor, need shift oxygen and acetylene cylinder onto scene during the gas welding welding, and keep certain distance; Before the welding, need naked light to light welding gun, naked light is handled solder joint; Very big potential safety hazard is arranged like this, and when welding need a large amount of asbestos cords, weld in the cleaning shop; Can produce a large amount of steam and other gases in the welding process, this purification room to constant temperature and humidity is very unfavorable.All more or less there is following problems in these welding methods: because of solder joint causes that greatly coil is radial, axially overproof; Pull-off force because of the big reduction lead of bond pad locations heat affected zone; Pollute coil greatly because of welding back polishing workload, the environment in removing pollutant workshop etc. during welding.
Summary of the invention
For addressing the above problem, the present invention a kind of transformer electromagnetic wire welding procedure that adopts the butt joint welding manner is provided.
The technical scheme that the present invention adopts is following: a kind of transformer electromagnetic wire welding procedure comprises the steps:
(1), cleaning in early stage: the insulating barrier that divests the electromagnetic wire welding position;
(2), prune: prune two electromagnetic wires that will dock with the hydraulic pressure wire nipper, the section configuration of two electromagnetic wires is matched, the shape of section is selected according to the type of the electromagnetic wire that specifically will weld;
(3), location: with two electromagnetic wires of electromagnetic wire positioning tool clamping, with the butt joint of two electromagnetic wires, align until two sections in the adjustment location; Positioning tool can come concrete design according to type, the size of electromagnetic wire, is used for fixing electromagnetic wire and can adjusts the elasticity of electromagnetic wire to the face of weld.
(4), welding: weld two electromagnetic wire interfaces with the intermediate frequency welding machine; Replace original soldering turret welding or gas welding mode with the welding of intermediate frequency welding machine, welding quality is high, and the postwelding solder joint is little, and polishing cleaning work amount is little, has significantly reduced the pollution to cleaning shop and coil.
(5), post-processed: polishing solder joint, wrapping insulation.
When concrete electromagnetic wire is welded, section configuration there is certain requirement, explain below in conjunction with the welding process of two kinds of electromagnetic wires commonly used:
During the welding solid conductor, two wire terminations are had one's hair trimmed and the alignment of two sections, between two pairs of faces of weld, place weld tabs, clamp welding.Adjust the elasticity of lead to the face of weld through adjustment electromagnetic wire positioning tool, use silver-colored phosphorus weld tabs, and weld tabs is trimmed to the lead section configuration consistent, but its size is bigger, and promptly four limit sizes are than all long 1～1.5mm of lead section corresponding sides size.Two ready weld tabs are positioned between the face of weld between two parties, clamp naturally, utilize the intermediate frequency welding machine to weld.The induction coil of used intermediate frequency welding machine is hand-held induction coil, handled easily.
When welding composite conductor and transposed conductor; Had one's hair trimmed in the end of composite conductor; The transposed conductor end is cut into U-shaped, and the end face width of the length of transposed conductor U-shaped recess and composite conductor is consistent, during the location composite conductor end is inserted in the opening of transposed conductor U-shaped end.Also can the end of composite conductor be cut into U-shaped, the transposed conductor end is cut into E shape, and the opening of composite conductor and side wall dimensions and transposed conductor correspondence position match, and during the location U-shaped end of composite conductor is inserted in the E shape end of transposed conductor.Two kinds of trim modes need that all lead is carried out depainting processing relief transposed conductor and encase composite conductor, and position with the electromagnetic wire positioning tool, weld with the intermediate frequency welding machine.The induction coil of said intermediate frequency welding machine is the U-shaped induction coil.Weld with the intermediate frequency welding machine at this, replace original gas welding mode, the welding process non smoke, speed of welding is fast, and soldering tip is little.
The present invention adopts intermediate frequency welding machine welding electromagnetic wire; Prune solder side according to the electromagnetic wire type before the welding, welding quality is high, and the postwelding solder joint is little; Polishing cleaning work amount is little; Significantly reduced the pollution to cleaning shop and coil, the office that has reduced product puts, and has improved the quality of transformer and operator's operating efficiency.
Description of drawings
Below in conjunction with accompanying drawing execution mode of the present invention is described in detail:
Fig. 1 is the structural representation of embodiment 1;
Fig. 2 is the structural representation of embodiment 2;
Fig. 3 is the structural representation of embodiment 3;
Among the figure, 1, lead, 2, weld tabs, 3, composite conductor, 4, transposed conductor, 5, the U-shaped structure side wall of transposed conductor, 6, composite conductor U-shaped structure side wall, 7, transposed conductor E shape structure side wall, 8, transposed conductor E shape mid portion.
Embodiment
Embodiment 1
A kind of transformer electromagnetic wire welding procedure specifically is the welding between the solid conductor, comprises the steps:
(1), cleaning in early stage: the insulating barrier that divests lead 1 welding position;
(2), prune: with the hydraulic pressure wire nipper two leads that will weld are carried out single line and prune, the end face of two leads is had one's hair trimmed and its section is alignd;
(3), location: with two leads of electromagnetic wire positioning tool clamping,, make the alignment of two sections, through the elasticity of adjustment positioning tool adjustment lead to the face of weld with the butt joint of two leads;
(4), welding: between two pairs of faces of weld, put into the two plate shapes silver-colored phosphorus weld tabs 2 consistent with the lead section configuration, weld tabs 2 overall dimensions clamp the back and use the hand-held induction coil of intermediate frequency welding machine to weld than the big 1～1.5mm of cross dimensions;
(5), post-processed: butt welding point is done polishing and wrapping insulation on request slightly.
Embodiment 2
A kind of transformer electromagnetic wire welding procedure specifically is the welding between composite conductor and the transposed conductor, comprises the steps:
(1), cleaning in early stage: the insulating barrier that divests composite conductor 3 and transposed conductor 4 welding positions respectively;
(2), prune: prune composite conductor 3 and transposed conductor 4 with the hydraulic pressure wire nipper; Composite conductor 3 end faces are had one's hair trimmed side by side; Transposed conductor 4 ends are trimmed to U-shaped; And the length of transposed conductor U-shaped recess and the end face width of composite conductor are consistent, the sidewall 5 long 20mm of transposed conductor U-shaped structure;
(3), location: with two leads of electromagnetic wire positioning tool clamping; Composite conductor 3 ends are inserted in the opening of transposed conductor U-shaped end; Make two sections cooperate alignment, transposed conductor 4 encases composite conductor 3, through the elasticity of adjustment positioning tool adjustment lead to the face of weld;
(4), welding: use the intermediate frequency welding machine to weld two lead interfaces, the induction coil of intermediate frequency welding machine is the U-shaped induction coil;
(5), post-processed: butt welding point is done polishing and wrapping insulation on request slightly.
Embodiment 3
A kind of transformer electromagnetic wire welding procedure specifically is the welding between composite conductor and the transposed conductor, comprises the steps:
(1), cleaning in early stage: the insulating barrier that divests composite conductor 3 and transposed conductor 4 welding positions respectively;
(2), prune: prune composite conductor 3 and transposed conductor 4 with the hydraulic pressure wire nipper; Composite conductor 3 ends are cut into U-shaped, and composite conductor U-shaped structure side wall 6 long 20mm are cut into E shape with transposed conductor 4 ends; E shape structure side wall 7 long 40mm; E shape mid portion 8 long 20mm, the opening of composite conductor and side wall dimensions and transposed conductor correspondence position match, and the transposed conductor end can be inserted in assurance composite conductor end;
(3), location: with two leads of electromagnetic wire positioning tool clamping, with the E shape end that transposed conductor is inserted in composite conductor U-shaped end, make two sections cooperate alignment, transposed conductor encases composite conductor, through the elasticity of adjustment positioning tool adjustment lead to the face of weld;
(4), welding: use the intermediate frequency welding machine to weld two lead interfaces, the induction coil of intermediate frequency welding machine is the U-shaped induction coil;
(5), post-processed: butt welding point is done polishing and wrapping insulation on request slightly.
Claims (7)
1. a transformer electromagnetic wire welding procedure is characterized in that comprising the steps:
(1), cleaning in early stage: the insulating barrier that divests the electromagnetic wire welding position;
(2), prune: prune two electromagnetic wires that will dock with the hydraulic pressure wire nipper, the section configuration of two electromagnetic wires is matched;
(3), location: with two electromagnetic wires of electromagnetic wire positioning tool clamping, with the butt joint of two electromagnetic wires, align until two sections in the adjustment location;
(4), welding: weld two electromagnetic wire interfaces with the intermediate frequency welding machine;
(5), post-processed: polishing solder joint, wrapping insulation.
2. transformer electromagnetic wire welding procedure according to claim 1 is characterized in that: during the welding solid conductor, two wire terminations are had one's hair trimmed and the alignment of two sections, between two pairs of faces of weld, place weld tabs, clamp welding.
3. transformer electromagnetic wire welding procedure according to claim 2 is characterized in that: said weld tabs and lead section configuration are consistent, and its four limits size is than all long 1～1.5mm of lead section corresponding sides size.
4. transformer electromagnetic wire welding procedure according to claim 2 is characterized in that: the induction coil of used intermediate frequency welding machine is hand-held induction coil.
5. transformer electromagnetic wire welding procedure according to claim 1; It is characterized in that: when welding composite conductor and transposed conductor; Had one's hair trimmed in the end of composite conductor; The transposed conductor end is cut into U-shaped, and the end face width of the length of transposed conductor U-shaped recess and composite conductor is consistent, during the location composite conductor end is inserted in the opening of transposed conductor U-shaped end.
6. transformer electromagnetic wire welding procedure according to claim 1; It is characterized in that: when welding composite conductor and transposed conductor; The end of composite conductor is cut into U-shaped; The transposed conductor end is cut into E shape, and the opening of composite conductor and side wall dimensions and transposed conductor correspondence position match, and during the location U-shaped end of composite conductor is inserted in the E shape end of transposed conductor.
7. according to claim 5 or 6 described transformer electromagnetic wire welding procedures, it is characterized in that: the induction coil of used intermediate frequency welding machine is the U-shaped induction coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104287191A CN102522196B (en) | 2011-12-20 | 2011-12-20 | Welding technology of electromagnetic wire of transformer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104287191A CN102522196B (en) | 2011-12-20 | 2011-12-20 | Welding technology of electromagnetic wire of transformer |
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| CN102522196A true CN102522196A (en) | 2012-06-27 |
| CN102522196B CN102522196B (en) | 2013-06-05 |
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| CN2011104287191A Active CN102522196B (en) | 2011-12-20 | 2011-12-20 | Welding technology of electromagnetic wire of transformer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109861047A (en) * | 2018-11-20 | 2019-06-07 | 嘉兴市新缆电缆有限公司 | A method of extending cable length |
| CN112388140A (en) * | 2020-11-09 | 2021-02-23 | 保定保菱变压器有限公司 | Be applied to SF6Welding method for position correction of full-entanglement winding of gas-insulated transformer |
| CN112992524A (en) * | 2021-05-19 | 2021-06-18 | 广东电网有限责任公司东莞供电局 | Transformer wire welding set |
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| US3820229A (en) * | 1973-02-05 | 1974-06-28 | E A As | Method of joining wire of compound material |
| CN1379501A (en) * | 2001-03-30 | 2002-11-13 | 日本压着端子制造株式会社 | Electric connecting apparatus using resin welding flux, electric connecting apparatus and wire connecting method |
| CN1467881A (en) * | 2002-07-08 | 2004-01-14 | Connecting device for wire | |
| JP2004235095A (en) * | 2003-01-31 | 2004-08-19 | Riso Kagaku Corp | Wire rod connector |
| CN201904208U (en) * | 2010-12-01 | 2011-07-20 | 刘立忠 | Winding lead welding joint structure of transformer in voltage of 110KV and above |
| CN102255214A (en) * | 2011-05-10 | 2011-11-23 | 江苏宏源电气有限责任公司 | Butt welding and lead lap welding processes of enameled flat copper wires of transformer |
| US20110306949A1 (en) * | 2010-06-11 | 2011-12-15 | Heraeus Medical Components, Llc | Joined dissimilar materials and method |
-
2011
- 2011-12-20 CN CN2011104287191A patent/CN102522196B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3820229A (en) * | 1973-02-05 | 1974-06-28 | E A As | Method of joining wire of compound material |
| CN1379501A (en) * | 2001-03-30 | 2002-11-13 | 日本压着端子制造株式会社 | Electric connecting apparatus using resin welding flux, electric connecting apparatus and wire connecting method |
| CN1467881A (en) * | 2002-07-08 | 2004-01-14 | Connecting device for wire | |
| JP2004235095A (en) * | 2003-01-31 | 2004-08-19 | Riso Kagaku Corp | Wire rod connector |
| US20110306949A1 (en) * | 2010-06-11 | 2011-12-15 | Heraeus Medical Components, Llc | Joined dissimilar materials and method |
| CN201904208U (en) * | 2010-12-01 | 2011-07-20 | 刘立忠 | Winding lead welding joint structure of transformer in voltage of 110KV and above |
| CN102255214A (en) * | 2011-05-10 | 2011-11-23 | 江苏宏源电气有限责任公司 | Butt welding and lead lap welding processes of enameled flat copper wires of transformer |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109861047A (en) * | 2018-11-20 | 2019-06-07 | 嘉兴市新缆电缆有限公司 | A method of extending cable length |
| CN112388140A (en) * | 2020-11-09 | 2021-02-23 | 保定保菱变压器有限公司 | Be applied to SF6Welding method for position correction of full-entanglement winding of gas-insulated transformer |
| CN112992524A (en) * | 2021-05-19 | 2021-06-18 | 广东电网有限责任公司东莞供电局 | Transformer wire welding set |
| CN112992524B (en) * | 2021-05-19 | 2021-07-27 | 广东电网有限责任公司东莞供电局 | Transformer wire welding set |
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| CN102522196B (en) | 2013-06-05 |
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