CN201741821U - Connecting structure of aluminum enameled wire and copper wire - Google Patents
Connecting structure of aluminum enameled wire and copper wire Download PDFInfo
- Publication number
- CN201741821U CN201741821U CN201020136540XU CN201020136540U CN201741821U CN 201741821 U CN201741821 U CN 201741821U CN 201020136540X U CN201020136540X U CN 201020136540XU CN 201020136540 U CN201020136540 U CN 201020136540U CN 201741821 U CN201741821 U CN 201741821U
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- covered wire
- aluminium enamel
- metal sleeve
- copper cash
- copper
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Abstract
The utility model relates to a connecting structure of an aluminum enameled wire and a copper wire, which comprises a metal sleeve. An aluminum enameled wire with a paint film removed is connected with a first end of the metal sleeve in a pressing way, a copper wire is connected with a second end of the metal sleeve in a pressing way, and solder is filled in clearances between the metal sleeve and the aluminum enameled wire with the paint film removed and the copper wire. The connecting method and the connecting structure provided by the utility model can effectively prevent galvanic interaction in the copper and aluminum combining position, and help to reduce the resistance of the connector and improve electrical properties of the connector.
Description
Technical field
The utility model relates to being connected of aluminium enamel-covered wire and copper cash, more particularly, relates to the syndeton of a kind of aluminium enamel-covered wire and copper cash.
Background technology
In order to reduce cost, adopting aluminium enamel-covered wire Alloy instead of Copper lacquer line in the electric device very much, for example in equipment such as transformer, inductance component, motor, adopt aluminium enamel-covered wire winding Alloy instead of Copper enamelled wire winding, but generally still adopt copper cash as the lead-out wire of winding.Because how copper cash and aluminum steel self properties of materials realize that the low resistance of the two reliably connects, be puzzlement people's a difficult problem always.This is because of copper, when aluminum conductor directly connects, because the two activity difference, the effect of meeting aerial moisture, carbon dioxide and other impurity primary cell takes place down reacts, and makes aluminium produce couple corrosion, causes the resistance increase of copper, aluminum conductor junction.In addition, copper, the direct-connected contact resistance of aluminum conductor itself are just bigger, and in the use, especially when big current applications application, the temperature rise of tie point is bigger, can aggravate corrosion oxidation, the generation vicious circle.For improving copper, the connection of aluminum conductor, the syndeton that some improved aluminium enamel-covered wires and copper cash are also arranged, for example, a Chinese patent (ZL200720201492.6) discloses the syndeton of aluminium enamel-covered wire and copper cash in a kind of aluminium core winding motor, have on the connector of tin coating in the end of drawing copper cash and aluminium enamel-covered wire is crimped on simultaneously, simultaneously be with heat-shrinkable T bush in the outside of connector, this structure can suppress the primary cell reaction to a certain extent, but can not avoid the generation of primary cell reaction fully, because the heat-shrinkable T bush sealing effectiveness is limited, can not fully joint and external environment condition be separated, there are some trickle gaps between connector after the compression and its inner copper cash and the aluminium enamel-covered wire, air can enter along these gaps, thereby the primary cell reaction still can take place in copper aluminium junction, in addition, copper cash only depends on crimping to contact with aluminium enamel-covered wire, and the resistance of joint is still bigger.
The utility model content
The purpose of this utility model provides the syndeton of a kind of aluminium enamel-covered wire and copper cash, can effectively keep away the primary cell reaction of aluminium enamel-covered wire and copper cash junction, reduces the resistance of junction.
The technical scheme that its technical problem that solves the utility model adopts is: the syndeton of constructing a kind of aluminium enamel-covered wire and copper cash, comprise a metal sleeve, the aluminium enamel-covered wire of coating removal film is crimped on first end of described metal sleeve, described copper cash is crimped on second end of described metal sleeve, and the aluminium enamel-covered wire of described metal sleeve and described coating removal film and the gap between the copper cash are filled with immersed solder and form scolding tin.
In the syndeton of aluminium enamel-covered wire described in the utility model and copper cash, be wound with the multi-turn fine copper wire on the aluminium enamel-covered wire of described coating removal film.
In the syndeton of aluminium enamel-covered wire described in the utility model and copper cash, described fine copper wire has tin coating.
In the syndeton of aluminium enamel-covered wire described in the utility model and copper cash, be inlaid with line, plate or bar that Cu alloy material is made on the aluminium enamel-covered wire of described coating removal film.
In the syndeton of aluminium enamel-covered wire described in the utility model and copper cash, be inlaid with line, plate or bar that copper becomes on the aluminium enamel-covered wire of described coating removal film.
In the syndeton of aluminium enamel-covered wire described in the utility model and copper cash, the line, plate or the bar that are embedded on the aluminium enamel-covered wire of described coating removal film are provided with tin coating.
In the syndeton of aluminium enamel-covered wire described in the utility model and copper cash, the inwall of first end of described metal sleeve has groove, and described groove embeds the aluminium enamel-covered wire of described coating removal film.
In the syndeton of aluminium enamel-covered wire described in the utility model and copper cash, the inwall of described metal sleeve is provided with tin coating.
In the syndeton of aluminium enamel-covered wire described in the utility model and copper cash, described metal sleeve is the copper conductor tube that is provided with tin coating.
In the syndeton of aluminium enamel-covered wire described in the utility model and copper cash, described metal sleeve is the copper alloy sleeve pipe that is provided with tin coating.
Implement the syndeton of aluminium enamel-covered wire of the present utility model and copper cash, has following beneficial effect: in the method for attachment and syndeton of aluminium enamel-covered wire of the present utility model and copper cash, the metal sleeve crimping is gone into the aluminium enamel-covered wire immersed solder afterwards of copper cash and coating removal film and is crossed tin, make scolding tin be packed into gap between metal catheter and aluminium enamel-covered wire and the copper cash, make the complete and external environment condition isolation in copper aluminium junction, can prevent effectively that copper aluminium junction from the primary cell reaction taking place, help reducing connection resistance simultaneously, improve the electrical property of joint.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 a is the schematic diagram that aluminium enamel-covered wire and copper cash insert metal sleeve among first embodiment of syndeton of aluminium enamel-covered wire of the present utility model and copper cash;
Fig. 1 b is the schematic diagram of joint of first embodiment of the syndeton of aluminium enamel-covered wire of the present utility model and copper cash;
Fig. 2 a is the schematic diagram that aluminium enamel-covered wire and copper cash insert metal sleeve among second embodiment of syndeton of aluminium enamel-covered wire of the present utility model and copper cash;
Fig. 2 b is the second embodiment center tap immersed solder structural representation afterwards of the syndeton of aluminium enamel-covered wire of the present utility model and copper cash;
Fig. 2 c is an A portion enlarged drawing among Fig. 2 b;
Fig. 2 d is the metallographic schematic diagram of the second embodiment center tap of the syndeton of aluminium enamel-covered wire of the present utility model and copper cash;
Fig. 3 a is the schematic diagram that aluminium enamel-covered wire and copper cash insert metal sleeve among the 3rd embodiment of syndeton of aluminium enamel-covered wire of the present utility model and copper cash
Fig. 3 b is the 3rd embodiment center tap immersed solder structural representation afterwards of the syndeton of aluminium enamel-covered wire of the present utility model and copper cash;
Fig. 3 c is a partial enlarged drawing among Fig. 3 b.
Embodiment
Understand for technical characterictic of the present utility model, purpose and effect being had more clearly, now contrast accompanying drawing and describe embodiment of the present utility model in detail.
The embodiment 1 of the syndeton of aluminium enamel-covered wire of the present utility model and copper cash
As shown in Figure 1a, in the present embodiment, the aluminium enamel-covered wire 1 of coating removal film is inserted in the metal sleeve 2 along first end 21 of direction shown in the arrow 41 by metal sleeve 2, copper cash 3 is inserted in the metal sleeve 2 along second end 22 of direction shown in the arrow 42 by metal sleeve 2, the extrusion metal sleeve pipe 2 then, and the aluminium enamel-covered wire 1 of coating removal film and copper cash 3 are crimped in the metal sleeve 2; Contact and the primary cell reaction takes place for fear of aluminium enamel-covered wire 1 and metal sleeve 2 junctions and air outside etc., simultaneously in order to improve the electrical property of joint, promptly reduce the resistance of joint, metal sleeve 2 after the extruding is put in the tin brazing stove and carried out immersed solder, make scolding tin be filled into gap between metal sleeve 2 and aluminium enamel-covered wire 1 and the copper cash 3, because capillarity, metal sleeve 2 after the basic complete filling extruding of scolding tin and the gap between aluminium enamel-covered wire 1 and the copper cash 3, fully metal sleeve 2 and the contact position and the external environment of aluminium enamel-covered wire 1 are isolated, can effectively prevent the generation of primary cell reaction, be used for the gap simultaneously and fill up scolding tin, help improving the conductivity of joint, reduce the resistance of joint.More good in order to weld, during immersed solder, can on metal sleeve 2, add the aluminium scaling powder.Fig. 1 b is for welding the schematic diagram of the joint after finishing.
Second embodiment of the syndeton of aluminium enamel-covered wire of the present utility model and copper cash
Shown in Fig. 2 a, present embodiment is to have done improvement on the basis of first embodiment, for contact resistance between the aluminium enamel-covered wire 1 that reduces metal sleeve 2 and coating removal film, make metal sleeve 2 and coating removal film aluminium enamel-covered wire 2 contact more good, on the aluminium enamel-covered wire 1 of coating removal film, be wound with the zinc-plated fine copper wire 5 of multi-turn, the coating removal film aluminium enamel-covered wire 1 that will be tied with zinc-plated fine copper wire 5 then inserts first end 21 of metal sleeve 2 along direction shown in the arrow 41, copper cash 3 is inserted in the metal sleeve 2 along second end 22 of direction shown in the arrow 42 by metal sleeve 2, the extrusion metal sleeve pipe 2 then, and the aluminium enamel-covered wire 1 of coating removal film and copper cash 3 are crimped in the metal sleeve 2.Referring to Fig. 2 b and Fig. 2 c, because the hardness of copper is greater than the hardness of aluminium, in the time of crimping, zinc-plated fine copper wire 5 can be embedded into the surface of aluminium enamel-covered wire 1, makes copper aluminium in conjunction with more tight, reduces the contact resistance of the two.Metal sleeve 2 is put into after crimping in the tin brazing stove and is carried out immersed solder, make scolding tin be filled into gap between metal sleeve 2 and aluminium enamel-covered wire 1 and the copper cash 3, because capillarity, metal sleeve 2 after the basic complete filling extruding of scolding tin and the gap between aluminium enamel-covered wire 1 and the copper cash 3, fully metal sleeve 2 and the contact position and the external environment of aluminium enamel-covered wire 1 are isolated, can effectively prevent the generation of primary cell reaction, be used for the gap simultaneously and fill up scolding tin, help improving the conductivity of joint, reduce the resistance of joint.More good in order to weld, during immersed solder, can on metal sleeve 2, add the aluminium scaling powder.Fig. 2 d shows the metallograph of metal sleeve 2 and aluminium enamel-covered wire 1 faying face, is combined closely with aluminium enamel-covered wire 1 by zinc-plated fine copper wire 5 as can be seen, and layer does not evenly have the cavity, and the joint good electrical properties has been realized in the gap of scolding tin complete filling junction.Through measuring connection resistance that this kind method obtains 10
-1M ohmage magnitude, albronze connection resistance are more than 1m ohm, and the resistance of mechanical pressure joint is more than number m ohm.Zinc-plated fine copper wire in the present embodiment can be replaced by the tin copper cash that does not have tin coating.
The 3rd embodiment of aluminium enamel-covered wire of the present utility model and copper cash syndeton
Shown in Fig. 3 a, present embodiment is to have done improvement on the basis of first embodiment, for contact resistance between the aluminium enamel-covered wire 1 that reduces metal sleeve 2 and coating removal film, make metal sleeve 2 and coating removal film aluminium enamel-covered wire 2 contact more good, the inwall of first end 21 of metal sleeve 2 is provided with groove 211, coating removal film aluminium enamel-covered wire 1 inserts first end 21 of metal sleeve 2 along direction shown in the arrow 41, copper cash 3 is inserted in the metal sleeve 2 along second end 22 of direction shown in the arrow 42 by metal sleeve 2, the extrusion metal sleeve pipe 2 then, the aluminium enamel-covered wire 1 and the copper cash 3 of coating removal film are crimped in the metal sleeve 2, because metal sleeve 2 adopts the copper harder than aluminium, or Cu alloy material is made, during crimping, groove 211 is embedded into the surface of aluminium enamel-covered wire 1, referring to Fig. 3 b and Fig. 3 c, make copper aluminium in conjunction with more tight, reduce the contact resistance of the two.Metal sleeve 2 is put into after crimping in the tin brazing stove and is carried out immersed solder, make scolding tin be filled into gap between metal sleeve 2 and aluminium enamel-covered wire 1 and the copper cash 3, because capillarity, metal sleeve 2 after the basic complete filling extruding of scolding tin and the gap between aluminium enamel-covered wire 1 and the copper cash 3, fully metal sleeve 2 and the contact position and the external environment of aluminium enamel-covered wire 1 are isolated, can effectively prevent the generation of primary cell reaction, be used for the gap simultaneously and fill up scolding tin, help improving the conductivity of joint, reduce the resistance of joint.More good in order to weld, during immersed solder, can on metal sleeve 2, add the aluminium scaling powder.In the present embodiment, the inwall of metal sleeve 2 can be provided with tin coating, to obtain better to connect effect.
In aluminium enamel-covered wire of the present utility model and copper cash syndeton, can also adopt the method that on the aluminium enamel-covered wire of coating removal film, is inlaid with line, plate or bar that copper or Cu alloy material make to improve the conductivity of the contact-making surface of metal sleeve and aluminium enamel-covered wire, and the welding performance of improving aluminium enamel-covered wire and metal sleeve, make easier welding between metal sleeve and the aluminium enamel-covered wire, these lines, plate or bar can be provided with tin coating.
In the syndeton of aluminium enamel-covered wire of the present utility model and copper cash, the metal sleeve crimping is gone into the aluminium enamel-covered wire immersed solder afterwards of copper cash and coating removal film and is crossed tin, be that scolding tin is packed into the gap between metal catheter and aluminium enamel-covered wire and the copper cash, make the complete and external environment condition isolation in copper aluminium junction, can prevent effectively that copper aluminium junction from the primary cell reaction taking place, help reducing connection resistance simultaneously, improve the electrical property of joint.
Face is described embodiment of the present utility model in conjunction with the accompanying drawings; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment only is schematic; rather than it is restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; not breaking away under the scope situation that the utility model aim and claim protect, also can make a lot of forms, these all belong within the protection of the present utility model.
Claims (10)
1. the syndeton of aluminium enamel-covered wire and copper cash, it is characterized in that, comprise a metal sleeve, the aluminium enamel-covered wire of coating removal film is crimped on first end of described metal sleeve, described copper cash is crimped on second end of described metal sleeve, and the aluminium enamel-covered wire of described metal sleeve and described coating removal film and the gap between the copper cash are filled with immersed solder and form scolding tin.
2. the syndeton of aluminium enamel-covered wire according to claim 1 and copper cash is characterized in that, is wound with the multi-turn fine copper wire on the aluminium enamel-covered wire of described coating removal film.
3. the syndeton of aluminium enamel-covered wire according to claim 2 and copper cash is characterized in that described fine copper wire has tin coating.
4. the syndeton of aluminium enamel-covered wire according to claim 1 and copper cash is characterized in that, is inlaid with line, plate or bar that Cu alloy material is made on the aluminium enamel-covered wire of described coating removal film.
5. the syndeton of aluminium enamel-covered wire according to claim 1 and copper cash is characterized in that, is inlaid with line, plate or bar that copper becomes on the aluminium enamel-covered wire of described coating removal film.
6. according to the syndeton of claim 4 or 5 described aluminium enamel-covered wires and copper cash, it is characterized in that the line, plate or the bar that are embedded on the aluminium enamel-covered wire of described coating removal film are provided with tin coating.
7. the syndeton of aluminium enamel-covered wire according to claim 1 and copper cash is characterized in that, the inwall of first end of described metal sleeve has groove, and described groove embeds the aluminium enamel-covered wire of described coating removal film.
8. the syndeton of aluminium enamel-covered wire according to claim 7 and copper cash is characterized in that the inwall of described metal sleeve is provided with tin coating.
9. according to the syndeton of each described aluminium enamel-covered wire and copper cash in the claim 1 to 5,7,8, it is characterized in that described metal sleeve is the copper conductor tube that is provided with tin coating.
10. according to the syndeton of each described aluminium enamel-covered wire and copper cash in the claim 1 to 5,7,8, it is characterized in that described metal sleeve is the copper alloy sleeve pipe that is provided with tin coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020136540XU CN201741821U (en) | 2010-03-18 | 2010-03-18 | Connecting structure of aluminum enameled wire and copper wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020136540XU CN201741821U (en) | 2010-03-18 | 2010-03-18 | Connecting structure of aluminum enameled wire and copper wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201741821U true CN201741821U (en) | 2011-02-09 |
Family
ID=43557099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020136540XU Expired - Lifetime CN201741821U (en) | 2010-03-18 | 2010-03-18 | Connecting structure of aluminum enameled wire and copper wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201741821U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103296557A (en) * | 2013-06-26 | 2013-09-11 | 湖南工业大学 | Connection processing method of ACSR (aluminum cable steel reinforced) and copper wire |
| CN103811879A (en) * | 2012-11-09 | 2014-05-21 | 镇江宏联电工有限公司（中外合资） | Joint structure for welding aluminum reactor and copper lead wire |
| CN105935824A (en) * | 2016-05-13 | 2016-09-14 | 吕明 | Tin soldering process for aluminum enameled wire stator |
| CN107123866A (en) * | 2017-06-05 | 2017-09-01 | 吉林省中赢高科技有限公司 | A kind of joint and its plasma welding method of copper tip and aluminum conductor |
| CN107123867A (en) * | 2017-06-05 | 2017-09-01 | 吉林省中赢高科技有限公司 | The joint and its magnetic induction welding method of a kind of copper tip and aluminum conductor |
| CN108418001A (en) * | 2018-02-13 | 2018-08-17 | 长春捷翼汽车零部件有限公司 | A kind of connector of copper tip and aluminum conductor |
| CN109604756A (en) * | 2018-12-25 | 2019-04-12 | 京信通信系统（中国）有限公司 | Welding procedure applied to connecting terminal and coaxial cable welding |
| CN110548946A (en) * | 2019-08-20 | 2019-12-10 | 南京钢铁股份有限公司 | cable compression joint tin-stamping process |
| WO2023143451A1 (en) * | 2022-01-28 | 2023-08-03 | 丹佛斯（天津）有限公司 | Motor, scroll compressor and processing method of motor |
-
2010
- 2010-03-18 CN CN201020136540XU patent/CN201741821U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103811879A (en) * | 2012-11-09 | 2014-05-21 | 镇江宏联电工有限公司（中外合资） | Joint structure for welding aluminum reactor and copper lead wire |
| CN103296557A (en) * | 2013-06-26 | 2013-09-11 | 湖南工业大学 | Connection processing method of ACSR (aluminum cable steel reinforced) and copper wire |
| CN105935824A (en) * | 2016-05-13 | 2016-09-14 | 吕明 | Tin soldering process for aluminum enameled wire stator |
| CN105935824B (en) * | 2016-05-13 | 2019-01-25 | 吕明 | A kind of soldering tin technique of aluminium enamel-covered wire stator |
| CN107123866A (en) * | 2017-06-05 | 2017-09-01 | 吉林省中赢高科技有限公司 | A kind of joint and its plasma welding method of copper tip and aluminum conductor |
| CN107123867A (en) * | 2017-06-05 | 2017-09-01 | 吉林省中赢高科技有限公司 | The joint and its magnetic induction welding method of a kind of copper tip and aluminum conductor |
| CN107123866B (en) * | 2017-06-05 | 2019-03-26 | 吉林省中赢高科技有限公司 | A kind of connector and its plasma welding method of copper tip and aluminum conductor |
| CN107123867B (en) * | 2017-06-05 | 2019-05-10 | 吉林省中赢高科技有限公司 | A kind of connector and its magnetic induction welding method of copper tip and aluminum conductor |
| CN108418001A (en) * | 2018-02-13 | 2018-08-17 | 长春捷翼汽车零部件有限公司 | A kind of connector of copper tip and aluminum conductor |
| CN109604756A (en) * | 2018-12-25 | 2019-04-12 | 京信通信系统（中国）有限公司 | Welding procedure applied to connecting terminal and coaxial cable welding |
| CN110548946A (en) * | 2019-08-20 | 2019-12-10 | 南京钢铁股份有限公司 | cable compression joint tin-stamping process |
| WO2023143451A1 (en) * | 2022-01-28 | 2023-08-03 | 丹佛斯（天津）有限公司 | Motor, scroll compressor and processing method of motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Nanshan District Xueyuan Road in Shenzhen city of Guangdong province 518055 No. 1001 Nanshan Chi Park B2 building 1-4 floor, building 6-10 Patentee after: Vitamin Technology Co., Ltd. Address before: 518057 Nanshan District science and Technology Industrial Park, Guangdong, Shenzhen Branch Road, No. Patentee before: Aimosheng Network Energy Source Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110209 |