CN104701706A - Low-impedance automobile wire harness connecting terminal crimping technology - Google Patents
Low-impedance automobile wire harness connecting terminal crimping technology Download PDFInfo
- Publication number
- CN104701706A CN104701706A CN201410240864.0A CN201410240864A CN104701706A CN 104701706 A CN104701706 A CN 104701706A CN 201410240864 A CN201410240864 A CN 201410240864A CN 104701706 A CN104701706 A CN 104701706A
- Authority
- CN
- China
- Prior art keywords
- binding post
- wire harness
- core
- compression joint
- low esr
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- 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.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/04—Apparatus 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
- H01R43/048—Crimping apparatus or processes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/26—Connectors or connections adapted for particular applications for vehicles
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
Abstract
The invention relates to the technical field of automobile wire harness manufacture, in particular to an automobile wire harness crimping technology. A low-impedance automobile wire harness connecting terminal crimping technology is implemented by crimping a connecting terminal and an automobile wire harness body together by stamping equipment, and includes the technological steps of wire harness splitting, die debugging, crimping, tension test and performance detection. By the aid of the technical scheme, the low-impedance automobile wire harness connecting terminal crimping technology has the advantages of easiness in control of equipment input and improvement cost, good generated effects and capability of enabling wire harnesses to have low impedance characteristic and meet more demands of the market.
Description
Technical field
The present invention relates to automotive wire bundle manufacturing technology field, be specifically related to a kind of compression joint technique of automotive wire bundle.
Background technology
Air conditioning for automobiles wire harness is for powering to the air-conditioning be placed on automobile and the special wire harness of one of transmission of control signals.Connection between the two ends of orthodox car air-conditioning wire harness and connected binding post is comparatively loose, cannot reach closely knit effect, not only makes the impedance of wire harness itself higher, but also the impedance after the binding post that can cause plugging into increases.And air conditioning for automobiles wire harness due to installing space narrower, the wire diameter of wire harness is general all less, if on this basis, add the impedance at binding post place, make overall losses during air-conditioning work increase undoubtedly, cause the power consumption of automobile to rise, the burden of wire harness is increased.Narrow accommodation space is unfavorable for heat radiation, and the condition of work of wire harness is poor, if wire rod impedance increases, can produce more heat, brings counter productive not only to the useful life of air-conditioning equipment and wire harness, manufactures potential safety hazard also to the overall operation of automobile.
Summary of the invention
The object of the invention is to, a kind of compression joint technique of Low ESR automotive wire bundle binding post is provided, solves above technical problem.
Technical problem solved by the invention can realize by the following technical solutions:
A compression joint technique for Low ESR automotive wire bundle binding post, uses pressing equipment binding post and automobile wiring harness body to be crimped together, it is characterized in that, comprise following processing step:
1) burst at the seams;
2) die debugging, first uses coarse control rod to adjust overall crimp height, then uses regulating rod to carry out trace adjustment to crimp height;
3) crimp, wire is put in mould stopper slot, open punching press switch and crimp;
4) tensile test, uses electronics tension tester to test the pulling force between wire harness body and binding post;
5) Performance Detection, the metallographic of pair of wire connection terminals, voltage drop, contact impedance detect;
The adjustment altitude range of described coarse control rod is 57.8mm-59.8mm;
The adjustment altitude range of described regulating rod is 0.04mm-0.12mm.
The present invention adopts pressing equipment to carry out after crimping plugs into wire harness body and binding post by above-mentioned processing step, the binding post on wire harness body is made to present hexagon in the core cross section of connection, reach the effect of densification between core in wire harness body, make the fine and close syndeton of formation one of plugging into of wire harness body and binding post.
Described pressing equipment adopts riveter.
Described wire harness body comprises at least seven cores and its outer external sheath layer of parcel of the arrangement in pencil, the external sheath layer that described external sheath layer adopts PE or PVC to make.
In described wire harness body, in pencil, the wire diameter of the core of arrangement is 0.17mm-0.21mm, and preferred wire diameter is 0.19mm.
The global sections of described wire harness body amasss as 0.5mm
2-6mm
2, preferred 0.5mm
2-2.5mm
2.
The cross section of the wire harness core that the present invention produces is hexagon, wire harness body two ends are made to form fine and close wiring harness structure, the complex root cross section of fine and close wiring harness structure is hexagonal core is pencil arrangement, to be embodied between at least seven adjacent cores in hexagonal cross-section in pencil during arrangement, arbitrary avris of the hexagonal cross-section of arbitrary core fits in the corresponding avris of other cores be adjacent.
The fine and close syndeton that the present invention is formed after being crimped with binding post by the fine and close wiring harness structure at wire harness body two ends, make the arrangement between core tightr, decrease the interstitial spaces between core, both the contact area between core had been added, improve current carrying capacities, reduce impedance, need under additionally reducing some occasion to fill the packed layer material buried, reduce production cost, simplify production procedure.
The core cross section of the fine and close wiring harness structure in the present invention is hexagonal structure, compactness when hexagon planar arranges is better than other shapes, not only make the contact between core more closely knit, also make there is excellent contact performance between the binding post after crimping and wire harness core, both reduce the impedance of wire harness itself, also reduce the impedance at crimping position.
Described core is the core that copper or aluminium alloy are made, and is easy to reduce manufacturing cost while guaranteeing signal transmission performance.
Described core, when adopting copper to prepare material as core, preferably adopts H62 copper, H65 copper, H70 copper.
The thickness of described external sheath layer is 0.35mm-0.55mm, external sheath layer can either be played a protective role, be unlikely again and take too many space, hinders installation process.
Beneficial effect: owing to adopting technique scheme, present device drops into and improving cost is easy to control, and tell on, product has low impedance characteristic, meets more demand on the market.
Accompanying drawing explanation
Fig. 1 is process flow diagram of the present invention.
Embodiment
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, setting forth the present invention further below in conjunction with concrete diagram.
With reference to Fig. 1, a kind of compression joint technique of Low ESR automotive wire bundle binding post, uses riveter binding post and automobile wiring harness body to be crimped together, comprises following processing step:
1) burst at the seams;
2) die debugging, first use coarse control rod to adjust overall crimp height, adjustment is highly 57.8mm-59.8mm; Then use regulating rod to carry out trace adjustment to crimp height, adjustment altitude range is 0.04mm-0.12mm;
3) crimp, wire is put in mould stopper slot, open punching press switch and crimp;
4) tensile test, uses electronics tension tester to test the pulling force between wire harness body and binding post;
5) Performance Detection, the metallographic of pair of wire connection terminals, voltage drop, contact impedance detect.
The present invention adopts pressing equipment to carry out after crimping plugs into wire harness body and binding post by above-mentioned processing step, the binding post on wire harness body is made to present hexagon in the core cross section of connection, reach the effect of densification between core in wire harness body, make the fine and close syndeton of formation one of plugging into of wire harness body and binding post.
Wire harness body comprises at least seven cores and its outer external sheath layer of parcel of the arrangement in pencil, and core is the core that copper or aluminium alloy are made, and is easy to reduce manufacturing cost while guaranteeing signal transmission performance.When core adopts copper as when preparing material, preferably adopt H62 copper, H65 copper, H70 copper.The wire diameter of single core is 0.17mm-0.21mm, and at least seven cores are pencil arrangement.The external sheath layer that external sheath layer adopts PE or PVC to make, thickness is 0.35mm-0.55mm.The global sections of wire harness body amasss as 0.5mm
2-6mm
2, preferred 0.5mm
2-2.5mm
2
The cross section of the wire harness core that the present invention produces is hexagon, wire harness body two ends are made to form fine and close wiring harness structure, at least seven cross sections of fine and close wiring harness structure are hexagonal core is pencil arrangement, be embodied between adjacent core in pencil arrangement time, arbitrary avris of the hexagonal cross-section of arbitrary core fits in the corresponding avris of other cores be adjacent.
The fine and close syndeton that the present invention is formed after being crimped with binding post by the fine and close wiring harness structure at wire harness body two ends, make the arrangement between core tightr, decrease the interstitial spaces between core, both the contact area between core had been added, improve current carrying capacities, reduce impedance, need under additionally reducing some occasion to fill the packed layer material buried, reduce production cost, simplify production procedure.
The core cross section of the fine and close wiring harness structure in the present invention is hexagonal structure, compactness when hexagon planar arranges is better than other shapes, not only make the contact between core more closely knit, also make there is excellent contact performance between the binding post after crimping and wire harness core, both reduce the impedance of wire harness itself, also reduce the impedance at crimping position.
According to actual conditions, the present invention can adopt following preferred version implementation and operation:
The sectional area of embodiment 1, wire harness body is 0.5mm
2, core wire diameter is 0.17mm, and coarse control rod adjustment is highly 59.8mm, and regulating rod adjustment is highly 0.12mm, test result: pulling force is for being greater than 90N, and the voltage of binding post reduces to 0.12mv, by electric current: 2A, contact impedance are more than 0.06m Ω;
The sectional area of embodiment 2, wire harness body is 1.0mm
2, core wire diameter is 0.18mm, and coarse control rod adjustment is highly 59.5mm, and regulating rod adjustment is highly 0.10mm, test result: pulling force is for being greater than 170N, and the voltage of binding post reduces to 0.18mv, by electric current: 10A, contact impedance are more than 0.018m Ω;
The sectional area of embodiment 3, wire harness body is 1.5mm
2, core wire diameter is 0.19mm, and coarse control rod adjustment is highly 58.8mm, and regulating rod adjustment is highly 0.11mm, test result: pulling force is for being greater than 210N, and the voltage of binding post reduces to 0.20mv, by electric current: 16A, contact impedance are more than 0.0125m Ω;
The sectional area of embodiment 4, wire harness body is 2.0mm
2, core wire diameter is 0.20mm, and coarse control rod adjustment is highly 58mm, and regulating rod adjustment is highly 0.08mm, test result: pulling force is for being greater than 270N, and the voltage of binding post reduces to 0.23mv, by electric current: 16A, contact impedance are more than 0.0144m Ω;
The sectional area of embodiment 5, wire harness body is 2.5mm
2, core wire diameter is 0.21mm, and coarse control rod adjustment is highly 57.8mm, and regulating rod adjustment is highly 0.04mm, test result: pulling force is for being greater than 280N, and the voltage of binding post reduces to 0.24mv, by electric current: 20A, contact impedance are more than 0.012m Ω;
Pulling force between common binding post with the wire harness be connected on it is generally about 90N, and electric property is also more weak, and pulling force characteristic more of the present invention and electric property all improve Be very effective with it.
More than show and describe general principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection range is defined by appending claims and equivalent thereof.
Claims (8)
1. a compression joint technique for Low ESR automotive wire bundle binding post, uses pressing equipment binding post and automobile wiring harness body to be crimped together, it is characterized in that, comprise following processing step:
1) burst at the seams;
2) die debugging, first uses coarse control rod to adjust overall crimp height, then uses regulating rod to carry out trace adjustment to crimp height;
3) crimp, wire is put in mould stopper slot, open punching press switch and crimp;
4) tensile test, uses electronics tension tester to test the pulling force between wire harness body and binding post;
5) Performance Detection, the metallographic of pair of wire connection terminals, voltage drop, contact impedance detect;
The adjustment altitude range of described coarse control rod is 57.8mm-59.8mm;
The adjustment altitude range of described regulating rod is 0.04mm-0.12mm.
2. the compression joint technique of a kind of Low ESR automotive wire bundle binding post according to claim 1, is characterized in that, described pressing equipment adopts riveter.
3. the compression joint technique of a kind of Low ESR automotive wire bundle binding post according to claim 1, it is characterized in that, described wire harness body comprises at least seven cores and its outer external sheath layer of parcel of the arrangement in pencil, the external sheath layer that described external sheath layer adopts PE or PVC to make.
4. the compression joint technique of a kind of Low ESR automotive wire bundle binding post according to claim 1, is characterized in that, in described wire harness body, in pencil, the wire diameter of the core of arrangement is 0.17mm-0.21mm.
5. the compression joint technique of a kind of Low ESR automotive wire bundle binding post according to any one of claim 1-4, it is characterized in that, the global sections of described wire harness body amasss as 0.5mm
2-6mm
2.
6. the compression joint technique of a kind of Low ESR automotive wire bundle binding post according to claim 5, is characterized in that, described core is the core that copper or aluminium alloy are made.
7. the compression joint technique of a kind of Low ESR automotive wire bundle binding post according to claim 6, is characterized in that, described core, when adopting copper to prepare material as core, adopts H62 copper, H65 copper, H70 copper.
8. the compression joint technique of a kind of Low ESR automotive wire bundle binding post according to claim 3, is characterized in that, the thickness of described external sheath layer is 0.35mm-0.55mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410240864.0A CN104701706A (en) | 2014-05-30 | 2014-05-30 | Low-impedance automobile wire harness connecting terminal crimping technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410240864.0A CN104701706A (en) | 2014-05-30 | 2014-05-30 | Low-impedance automobile wire harness connecting terminal crimping technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104701706A true CN104701706A (en) | 2015-06-10 |
Family
ID=53348581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410240864.0A Pending CN104701706A (en) | 2014-05-30 | 2014-05-30 | Low-impedance automobile wire harness connecting terminal crimping technology |
Country Status (1)
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| CN (1) | CN104701706A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106021658A (en) * | 2016-05-10 | 2016-10-12 | 昆山沪光汽车电器有限公司 | Terminal crimping optimization analysis method for automobile wire harness |
| CN107248684A (en) * | 2017-06-01 | 2017-10-13 | 芜湖侨云友星电气工业有限公司 | A kind of compression joint technique of automotive high voltage line beam |
| CN109088292A (en) * | 2018-07-19 | 2018-12-25 | 比克希汽车科技（合肥）有限公司 | A kind of compression joint technique of automotive wire bundle |
| CN110170808A (en) * | 2019-05-09 | 2019-08-27 | 叶连波 | Terminal removing device for recycling automobile wire harness |
| CN113809612A (en) * | 2021-07-31 | 2021-12-17 | 重庆长安汽车股份有限公司 | Design method of HSD automobile wire harness |
-
2014
- 2014-05-30 CN CN201410240864.0A patent/CN104701706A/en active Pending
Non-Patent Citations (1)
| Title |
|---|
| 付在再等: "压接——汽车线束与插接件连接的一种新工艺", 《汽车电器》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106021658A (en) * | 2016-05-10 | 2016-10-12 | 昆山沪光汽车电器有限公司 | Terminal crimping optimization analysis method for automobile wire harness |
| CN107248684A (en) * | 2017-06-01 | 2017-10-13 | 芜湖侨云友星电气工业有限公司 | A kind of compression joint technique of automotive high voltage line beam |
| CN109088292A (en) * | 2018-07-19 | 2018-12-25 | 比克希汽车科技（合肥）有限公司 | A kind of compression joint technique of automotive wire bundle |
| CN110170808A (en) * | 2019-05-09 | 2019-08-27 | 叶连波 | Terminal removing device for recycling automobile wire harness |
| CN110170808B (en) * | 2019-05-09 | 2020-11-03 | 浙江辛巴达机器人科技有限公司 | Terminal removing device for recycling automobile wire harness |
| CN113809612A (en) * | 2021-07-31 | 2021-12-17 | 重庆长安汽车股份有限公司 | Design method of HSD automobile wire harness |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150610 |
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| RJ01 | Rejection of invention patent application after publication |