CN202042608U - Connecting terminal of electric vehicle - Google Patents
Connecting terminal of electric vehicle Download PDFInfo
- Publication number
- CN202042608U CN202042608U CN2011200783323U CN201120078332U CN202042608U CN 202042608 U CN202042608 U CN 202042608U CN 2011200783323 U CN2011200783323 U CN 2011200783323U CN 201120078332 U CN201120078332 U CN 201120078332U CN 202042608 U CN202042608 U CN 202042608U
- Authority
- CN
- China
- Prior art keywords
- terminal
- hole
- electric automobile
- lead
- binding post
- 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.)
- Expired - Fee Related
Links
- 239000004033 plastic Substances 0.000 claims abstract description 17
- 229920003023 plastic Polymers 0.000 claims abstract description 17
- 230000001681 protective effect Effects 0.000 claims description 15
- 239000004568 cement Substances 0.000 claims description 13
- 238000002788 crimping Methods 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 9
- 229910052802 copper Inorganic materials 0.000 abstract description 8
- 239000010949 copper Substances 0.000 abstract description 8
- 239000004020 conductor Substances 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 3
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 238000001746 injection moulding Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000012795 verification Methods 0.000 description 4
- 235000019994 cava Nutrition 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 238000010200 validation analysis Methods 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Images
Abstract
The utility model discloses a connecting terminal of an electric vehicle, which comprises a terminal and a lead. The lead penetrates through the annular terminal and is in compression joint with the terminal, plastic protecting sleeves are covered at the edge of the outer side of the terminal and the outer wall of the lead, the plastic protecting sleeve on one side of the terminal is annularly sunk, two layers of porous steps are arranged inside a sunk portion of the plastic protecting sleeve, a connecting strip is arranged on the outside of the sunk portion, the tail end of the connecting strip is connected with a terminal cap, one layer, which contacts with the terminal, of the two layers of porous steps is a nut hole, and the outermost layer of the two layers of porous steps is a tool hole. The connecting terminal of the electric vehicle is cheap in price, not only can realize reliable connection, but also reduces copper consumption, greatly reduces consumption of copper materials, is simple and convenient in installation and avoids exposing a conductor after installation is completed, and the protection level of the connecting terminal is comparable to an expensive connector.
Description
Technical field
The utility model relates to the electric automobile field, relates in particular to power cable and closely connects and effective protection question.
Background technology
Electric automobile possesses advantages such as economy, cleaning as the representative of new-energy automobile, and enjoys favor.Along with the continuous maturation of electric vehicle engineering, electric automobile enters the stage of popularization.
Electric automobile is significantly different with the energy supply mode of conventional automobile, and with the fuel supply engine, electric automobile then is to give motor by power cable with power delivery to conventional automobile by fuel pipe.High-tension electricity motor-car power cable battery system electric pressure is usually between 500V-800V, the electrokinetic cell system voltage of low tension electrical automobile is usually below DC100V, but no matter be high-pressure system or low-pressure system, its electric pressure all is higher than the safe voltage of 36V far away.For guaranteeing safety, must carry out sufficient protection to cable.
For the motor of peak power 18KW, the power cable current-carrying is more than 200A, though the cable internal resistance is very little, when being in operating modes such as acceleration, climbing when vehicle, the electric current that flows through on the power cable is very big, according to Joule law Q=I
2Rt when electric current is very big, though resistance is very little, generates heat still clearly as can be known.Therefore, the contact of lead and lead all must connect closely, reduces contact resistance as far as possible.
Traditional connectivity scenario has multiple:
1, common terminal connects: wire harness is connected with terminal by the mode of crimping, and is fastening by bolt and battery electrode column again.Electrical protection difficulty when this connected mode is applied to electric automobile is used special (purpose) rubber to emit usually and is protected, and this method not only degree of protection is low, and assembling difficulty and very easily damage, can't satisfy the beat requirement that streamline is produced.
2, plug-in unit connects: this type of plug-in unit can solve the tight connection and the effective problem of protection, but costs an arm and a leg, after the batch process only connector just take great amount of cost, by the monopolization of external producer, room for price-cut is little substantially for the pricing right of this type of connector at present.
The utility model content
The technical problems to be solved in the utility model is to realize a kind of power cable terminal, and is not only cheap, effectively protection, and simple installation is fit to large-scale pipeline production.
To achieve these goals; the technical solution adopted in the utility model is: a kind of electric automobile binding post; comprise the binding post body that constitutes by terminal and lead-in wire; described binding post body is provided with the plastic cement protective sleeve outward, and the protective sleeve of terminal one side caves in the form of a ring and an end stretches out the terminal cap.
The protective sleeve of described terminal one side concave interior in the form of a ring is provided with rank, two-layer hole, and one deck of described rank, two-layer hole and termination contact is a screw cap hole, and outermost layer is a tooling hole.
Described lead-in wire is provided with many, passes circular terminal and crimping with it respectively.
Described a plurality of leads outer wall is provided with independently plastic cement protective sleeve.
Described terminal is provided with the plastic cement back-up coat with the lead-in wire link.
Described tooling hole and terminal cap outer interference fit.
Described terminal cap is provided with waterproof grommet with the outer that tooling hole assembles the position mutually.
Advantage of the present utility model is that this binding post is cheap, not only can realize reliable connection, and has dwindled the copper consumption of terminal, greatly reduce consumption to copper material, simple installation, it is exposed that the no conductor in complete back is installed, and its degree of protection can match in excellence or beauty with the connector of costliness.
Description of drawings
Below the content of each width of cloth accompanying drawing expression of the utility model specification and the mark among the figure are made brief description:
Fig. 1 is the side sectional view of the utility model binding post;
Fig. 2 has more the linear structure schematic diagram for the utility model binding post;
Mark among the above-mentioned figure is:
1, terminal; 2, lead-in wire; 3, bolt; 4, terminal cap; 5, intercell connector; 6, tooling hole; 7, screw cap hole; 8, bolt hole; 9, back-up coat.
Embodiment
Referring to Fig. 1; 2 as can be known; a kind of electric automobile binding post; comprise terminal 1 and lead-in wire 2; wherein go between and 2 pass circular copper terminal 1 and crimping with it; by the punch forming of big pressure milling train; to go between 2 and the 1 permanent crimping of copper terminal; after the moulding at terminal 1 centre punch bolt hole 8; after punching press is finished; to go between 2 and terminal 1 put into injection mold; die casting plastic cement protective sleeve; protective sleeve is arranged at the outer wall of terminal 1 outer ledge and lead-in wire 2; the terminal 1 wherein plastic cement protective sleeve of a side caves in the form of a ring; and its concave interior is provided with rank, two-layer hole; one deck that rank, two-layer hole contact with terminal 1 is a screw cap hole 7; place nut when being used to wiring is installed; outermost layer is a tooling hole 6; instrument fastening bolt easy to use and placement terminal cap 4; tooling hole 6; screw cap hole 7 and bolt hole 8 are concentric ring; the outside of the protective sleeve sunk part of terminal 1 is provided with intercell connector 5, intercell connector 5 terminal splicing ear caps 4, tooling hole 6 and terminal cap 4 outer interference fit; when needs are done the wiring of water-proofing treatment, can be provided with waterproof grommet with the outer that tooling hole 6 assembles the position mutually at terminal cap 4.
Normal conditions vehicle assembly space is narrow, and wire harness needs via hole (aperture is generally about 40mm) assembling, and this just requires terminal 1 size to dwindle as far as possible, otherwise can't small holes; But terminal 1 undersized meeting causes terminal 1 injection moulding process to be difficult to control, and injection temperature, precision all are difficult to guarantee, therefore, seek the size of a compromise, promptly satisfy matching requirements, are convenient to processing again simultaneously, and this is the advantage place of novel terminal of the present invention just.Through validation trial, be of a size of reasonable size as shown in the figure:
Screw cap hole 7 diameter 17.6mm: because terminal 1 outer wall is thinner, and inner major part is hollow, can't wrap up same conductor fully if plastic cement can appear in the complete terminal 1 that comes out according to tooling hole 8 dimensioned, after bolt 3 is urgent, terminal 1 distortion, even can cause copper conductor from plastic cement, to be deviate from.For guaranteeing fitting tightly of copper conductor and plastic cement, this type terminal is provided with screw cap hole 7, because the maximum gauge of M8 bolt 3 nuts is 15mm, for guaranteeing that bolt can rotate freely, the minimum value warp of screw cap hole 7 must not be less than 17.5mm, the assembling process middle sleeve can't enter this hole, has only nut to embed in this hole.Screw cap hole 7 edge thickness maximums must not surpass 2.5mm, and are dark to prevent that bolt 3 caps from embedding, and break away from sleeve, can't assemble.
In the real vehicle application process, the situation that a plurality of leads 2 is checked card and connected appears through regular meeting, and for the cable of 25 squares of power cables, conventional checking card is unpractical, even can realize on the technology, its protection question also is difficult to solve.Therefore splicing ear of the present utility model can adopt that the method for injection moulding solves this difficult problem after the multi-thread crimping earlier, during crimp type terminal 2, with needing many lead-in wires 2 of crimping to pass copper ring together, by the press crimping; Terminal 2 afterbodys and terminal 1 are provided with plastic cement back-up coat 9 with lead-in wire 2 links, and injection moulding herein need be widened, thickening, and to guarantee that lead 2 can perfectly be wrapped in the injected plastics material, a plurality of leads 2 is provided with independently plastic cement protective sleeve when the injection moulding protective sleeve.Through verification experimental verification, promptly guarantee the as far as possible little of terminal 2, can protect again and put in place, its minimum thickness is not less than 7.5mm, and width is decided with lead, at present the 28mm of this terminal employing.In the practical application, can crimping cable below 4 squares cable below 2 or 2.5 squares 4, can satisfy entrucking substantially and use.
Claims (7)
1. electric automobile binding post; comprise the binding post body that constitutes by terminal (1) and lead-in wire (2); it is characterized in that: described binding post body is provided with the plastic cement protective sleeve outward, and the protective sleeve of terminal (1) one side is recess and stretches out a terminal cap (4) with the clamping of recess protective sleeve.
2. electric automobile binding post according to claim 1; it is characterized in that: the protective sleeve of described terminal (1) one side concave interior in the form of a ring is provided with rank, two-layer hole; one deck that rank, described two-layer hole contact with terminal (1) is screw cap hole (7), and outermost layer is tooling hole (6).
3. electric automobile binding post according to claim 1 is characterized in that: described tooling hole (6) and terminal cap (4) outer edge interference fit.
4. according to claim 2 or 3 described electric automobile binding posts, it is characterized in that: described terminal cap (4) match with tooling hole (6) assembling position the outer be provided with waterproof grommet.
5. electric automobile binding post according to claim 1 is characterized in that: described lead-in wire (2) is provided with many, passes circular terminal (1) and crimping with it respectively.
6. electric automobile binding post according to claim 5 is characterized in that: described a plurality of leads (2) outer wall is provided with independently plastic cement protective sleeve.
7. according to claim 1 or 2 or 3 described electric automobile binding posts, it is characterized in that: described terminal (1) is provided with plastic cement back-up coat (9) with lead-in wire (2) link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200783323U CN202042608U (en) | 2011-03-23 | 2011-03-23 | Connecting terminal of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200783323U CN202042608U (en) | 2011-03-23 | 2011-03-23 | Connecting terminal of electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202042608U true CN202042608U (en) | 2011-11-16 |
Family
ID=44970034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200783323U Expired - Fee Related CN202042608U (en) | 2011-03-23 | 2011-03-23 | Connecting terminal of electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202042608U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103928885A (en) * | 2013-10-10 | 2014-07-16 | 芜湖莫森泰克汽车科技有限公司 | Input and output terminal for automobile-mounted power supply of new-energy automobile |
| CN105680197A (en) * | 2016-03-25 | 2016-06-15 | 惠州市以泰克电线工业有限公司 | Coating cold pressing connection structure for electric vehicle flexible copper strip cable and processing method |
-
2011
- 2011-03-23 CN CN2011200783323U patent/CN202042608U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103928885A (en) * | 2013-10-10 | 2014-07-16 | 芜湖莫森泰克汽车科技有限公司 | Input and output terminal for automobile-mounted power supply of new-energy automobile |
| CN105680197A (en) * | 2016-03-25 | 2016-06-15 | 惠州市以泰克电线工业有限公司 | Coating cold pressing connection structure for electric vehicle flexible copper strip cable and processing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111116 Termination date: 20140323 |