CN203760720U - Electrical connector for electric vehicle quick-changing battery box - Google Patents
Electrical connector for electric vehicle quick-changing battery box Download PDFInfo
- Publication number
- CN203760720U CN203760720U CN201320864527.XU CN201320864527U CN203760720U CN 203760720 U CN203760720 U CN 203760720U CN 201320864527 U CN201320864527 U CN 201320864527U CN 203760720 U CN203760720 U CN 203760720U
- Authority
- CN
- China
- Prior art keywords
- outer container
- electrode contact
- contact
- container electrode
- tip holder
- 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.)
- Withdrawn - After Issue
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The utility model discloses an electrical connector for an electric vehicle quick-changing battery box. The cross section of an external box electrode contact (2) is of a T-shaped step-shaped structure and has a large end, a middle segment and a small end. The end surface of the large end of the external box electrode contact is provided with a groove, and an elastic conductor (1) is fixedly installed in the groove. The external box electrode contact is sleeved by a spring (3) and then stretches to a rear cavity from a front cavity of an external box electrode holder (4). One end of the spring is abutted against the back surface of the large end of the external box electrode contact, and the other end of the spring is abutted against the front cavity in front of an inner hole of the external electrode holder. The small end of the external box electrode contact is sleeved by a stopper (7) and a cable connecting nut (5). The stopper is abutted against a step part of the middle segment. The stopper and the cable connecting nut clamp and fasten a connecting cable (8). An electrode holder rear cover (6) is installed in the rear cavity of the external box electrode holder. The electrical connector enables contact resistance between the external box electrode contact and an internal box electrode contact to be reduced; and the external box electrode contact can swing with the inner box electrode contact, so that the electrode contacts are guaranteed to be in good contact state.
Description
technical field
The utility model relates to a kind of electric vehicle battery case conductive connecting device, relates in particular to a kind of motor vehicle quick change battery box arrangements of electric connection.
Background technology
Chinese patent 200710122367.0 discloses a kind of universal battery case, comprise outer case and internal box, outer case is fixed on it electric bicycle, battery pack is arranged in internal box, internal box is slidably arranged in outer case, form the drawer type handling of battery pack, outer case can form and be electrically connected and mechanical connection with motor vehicle, battery in internal box is connected to outer case by plug-in module, plug-in module mainly comprises interior case electrode contact and electrode tip holder, outer container electrode contact and electrode tip holder, in the electrical connection of battery case, the electrode contact of interior case and outer container is to be all directly fixed on electrode tip holder, after interior case and outer container are in place, electrode contact in interior case and outer container relies on end contact conduction each other, interior outer container is in use because the reason of vibrations is relatively movable, therefore the electrode contact contact plane of interior outer container will inevitably produce parallelism error, thereby the electrode contact that makes face contact becomes line contact or some contact, cause contact resistance to increase, the easily appearance of guiding discharge phenomenon simultaneously.
Chinese patent 201010503329.1 discloses a kind of self-adaptive current bindiny mechanism of battery case, the interior case electrode contact of this mechanism can be followed outer container electrode contact and be swung under the effect of plain radial bearing, ensure that electrode contact, all the time in surface contact state, has automatically reset function simultaneously.But two end contacts or 3 contacts, contact resistance is too high, easily produces high temperature when large current electrifying.
Summary of the invention
The purpose of this utility model is to provide a kind of motor vehicle quick change battery box arrangements of electric connection, this arrangements of electric connection can make the contact resistance between interior outer container electrode contact diminish, outer container electrode contact can swing with interior case electrode contact, thereby ensures that electrode contact is all the time in good contact state.
In order to realize above-mentioned technical purpose, the utility model adopts following technical scheme:
A kind of motor vehicle quick change battery box arrangements of electric connection, comprises outer container electrode contact, outer container electrode tip holder, cable attaching nut, electrode tip holder bonnet, stube cable, and ancillary equipment is interior case electrode tip holder and the interior case electrode contact that is installed on interior case electrode tip holder; Described arrangements of electric connection also comprises: elastic electric conductor, spring, guide vane end stop, described outer container electrode contact cross section is T shape step-like structure, be divided into large end, interlude and small end, the large end end face of outer container electrode contact is conductive contact surfaces, small end is cable link, on the large end end face of outer container electrode contact, groove is set, elastic electric conductor is fixedly housed in groove;
Described outer container electrode tip holder is made up of ante-chamber and back cavity, has endoporus and communicate between ante-chamber and back cavity, and ante-chamber front portion is opening, and electrode tip holder bonnet is equipped with at back cavity rear portion;
After described outer container electrode contact pocketed springs, go deep into back cavity from outer container electrode tip holder ante-chamber, spring one end props up the large end of the outer container electrode contact back side, the other end props up the ante-chamber before outer container electrode tip holder endoporus, outer container electrode contact small end is set with guide vane end stop and cable attaching nut, guide vane end stop props up outer container electrode contact interlude and small end step place, and guide vane end stop and cable attaching nut clamp stube cable fastening.
Described outer container electrode contact outside diameter is less than corresponding outer container electrode tip holder ante-chamber opening part diameter, is greater than outer container electrode tip holder diameter of bore; Described outer container electrode contact interlude diameter is less than corresponding outer container electrode tip holder diameter of bore.
Described elastic electric conductor is helical spring or elastic contact blade.
Described spring is volute spring.
The utility model diminishes the contact resistance between interior outer container electrode contact by being arranged on the elastic conduction physical efficiency of outer container electrode contact end face, outer container electrode contact can be followed interior case electrode contact and be swung under spring and guide vane end stop effect, ensure that electrode contact is all the time in good contact state, outer container electrode contact has automatically reset function simultaneously.
Compared with prior art, its beneficial effect is the utility model:
1, under operating state, it is Multi-contact that elastic electric conductor makes inside and outside case electrode contact end contact, and contact area is large, reduces contact resistance.
2, when operating state, interior case electrode contact compression outer container electrode contact, guide vane end stop no longer contacts with outer container electrode tip holder, outer container electrode contact can float with respect to outer container electrode tip holder, outer container electrode contact end face and interior case electrode contact end face realize between contact plane good fit with contact, overcome the plane virtual connection or the some contact that cause because of the straightness error of electrode contact post.
3, the elasticity of spring utilization itself can make the play of guide vane end stop restriction outer container electrode contact at axial direction, can reset in non operating state.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model motor vehicle quick change battery box arrangements of electric connection;
Fig. 2 is the operation principle schematic diagram of the utility model motor vehicle quick change battery box arrangements of electric connection.
In figure: 1 elastic electric conductor, 2 outer container electrode contacts, 3 springs, 4 outer container electrode tip holders, 5 cable attaching nuts, 6 electrode tip holder bonnets, 7 guide vane end stops, 8 stube cables, 9 interior case electrode contacts.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Referring to Fig. 1 and Fig. 2, a kind of motor vehicle quick change battery box arrangements of electric connection, comprise elastic electric conductor 1, outer container electrode contact 2, spring 3, outer container electrode tip holder 4, cable attaching nut 5, electrode tip holder bonnet 6, guide vane end stop 7, stube cable 8, ancillary equipment is interior case electrode tip holder and the interior case electrode contact 9 that is installed on interior case electrode tip holder.
Described outer container electrode contact 2 cross sections are T shape step-like structure, be divided into large end, interlude and small end, the large end end face of outer container electrode contact 2 is conductive contact surfaces, and small end is cable link, on the large end end face of outer container electrode contact 2, groove is set, elastic electric conductor 1 is fixedly housed in groove; Described elastic electric conductor 1 is helical spring or elastic contact blade.
Described outer container electrode tip holder 4 is made up of ante-chamber and back cavity, has endoporus and communicate between ante-chamber and back cavity, and ante-chamber front portion is opening, and electrode tip holder bonnet 6 is equipped with at back cavity rear portion.
After described outer container electrode contact 2 pocketed springs 3, go deep into back cavity from outer container electrode tip holder 4 ante-chambers, spring 3 one end prop up the large end of outer container electrode contact 2 back side, the other end props up the ante-chamber before outer container electrode tip holder 4 endoporus, outer container electrode contact 2 small ends are set with guide vane end stop 7 and cable attaching nut 5, guide vane end stop 7 props up outer container electrode contact 2 interludes and small end step place, and guide vane end stop 7 and cable attaching nut 5 clamp fastening by stube cable 8.
Described outer container electrode contact 2 outside diameters are less than corresponding outer container electrode tip holder 4 ante-chamber opening part diameters, are greater than outer container electrode tip holder 4 diameter of bores; Described outer container electrode contact 2 interlude diameters are less than corresponding outer container electrode tip holder 4 diameter of bores.Described spring is volute spring.
Under described outer container electrode contact 2 natures because the elastic force effect of spring 3 is in center condition.
The utility model motor vehicle quick change battery box arrangements of electric connection operation principle:
After the outer container of battery case and interior case are in place, outer container electrode contact 2 in outer container electrode tip holder 4 contacts with each other with the end face of the interior case electrode contact 9 that is installed on interior case electrode tip holder, form current path, be arranged on the elastic electric conductor 1 of outer container electrode contact 2 end faces compressed after, can make between interior outer container electrode contact is Multi-contact, contact resistance is little, and guide vane end stop 7 no longer contacts with outer container electrode tip holder 4 back cavity walls simultaneously, and outer container electrode contact 2 can float with respect to outer container electrode tip holder 4.In the situation that there is vibration, can there is beat in interior case electrode contact 9, and due to the floating action of outer container electrode contact 2, outer container electrode contact 2 can be followed interior case electrode contact 9 beat simultaneously, thereby ensures that the surface of conduction remains Multi-contact state.In the time of non operating state, due to the effect of spring 3, outer container electrode contact 2 can automatically revert to horizontal initial position; Spring 3 utilizes the elasticity of self can make guide vane end stop 7 limit the play of outer container electrode contact 2 at axial direction.
These are only preferred embodiment of the present utility model; be not intended to limit protection range of the present utility model; therefore, all any amendments of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model within spirit of the present utility model and principle.
Claims (4)
1. a motor vehicle quick change battery box arrangements of electric connection, comprise outer container electrode contact (2), outer container electrode tip holder (4), cable attaching nut (5), electrode tip holder bonnet (6), stube cable (8), ancillary equipment is interior case electrode tip holder and the interior case electrode contact (9) that is installed on interior case electrode tip holder;
It is characterized in that: described arrangements of electric connection also comprises: elastic electric conductor (1), spring (3), guide vane end stop (7), described outer container electrode contact (2) cross section is T shape step-like structure, be divided into large end, interlude and small end, outer container electrode contact (2) greatly end face is conductive contact surfaces, small end is cable link, outer container electrode contact (2) arranges groove on end face greatly, and elastic electric conductor (1) is fixedly housed in groove;
Described outer container electrode tip holder (4) is made up of ante-chamber and back cavity, has endoporus and communicate between ante-chamber and back cavity, and ante-chamber front portion is opening, and electrode tip holder bonnet (6) is equipped with at back cavity rear portion;
After described outer container electrode contact (2) pocketed springs (3), go deep into back cavity from outer container electrode tip holder (4) ante-chamber, spring (3) one end props up outer container electrode contact (2) and holds greatly the back side, the other end props up the ante-chamber before outer container electrode tip holder (4) endoporus, outer container electrode contact (2) small end is set with guide vane end stop (7) and cable attaching nut (5), guide vane end stop (7) props up outer container electrode contact (2) interlude and small end step place, and guide vane end stop (7) and cable attaching nut (5) clamp fastening by stube cable (8).
2. motor vehicle quick change battery box arrangements of electric connection according to claim 1, it is characterized in that: described outer container electrode contact (2) outside diameter is less than corresponding outer container electrode tip holder (4) ante-chamber opening part diameter, is greater than outer container electrode tip holder (4) diameter of bore; Described outer container electrode contact (2) interlude diameter is less than corresponding outer container electrode tip holder (4) diameter of bore.
3. motor vehicle quick change battery box arrangements of electric connection according to claim 1 and 2, is characterized in that: described elastic electric conductor (1) is helical spring or elastic contact blade.
4. motor vehicle quick change battery box arrangements of electric connection according to claim 1 and 2, is characterized in that: described spring (3) is volute spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320864527.XU CN203760720U (en) | 2013-12-26 | 2013-12-26 | Electrical connector for electric vehicle quick-changing battery box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320864527.XU CN203760720U (en) | 2013-12-26 | 2013-12-26 | Electrical connector for electric vehicle quick-changing battery box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203760720U true CN203760720U (en) | 2014-08-06 |
Family
ID=51255958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320864527.XU Withdrawn - After Issue CN203760720U (en) | 2013-12-26 | 2013-12-26 | Electrical connector for electric vehicle quick-changing battery box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203760720U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103915702A (en) * | 2013-12-26 | 2014-07-09 | 上海汽车集团股份有限公司 | Quick-replacing battery box electric connection device for electric vehicle |
| CN109519430A (en) * | 2018-11-23 | 2019-03-26 | 中国航发北京航科发动机控制***科技有限公司 | A kind of hydraulic pressure difference floating electrode electricity feedback device |
-
2013
- 2013-12-26 CN CN201320864527.XU patent/CN203760720U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103915702A (en) * | 2013-12-26 | 2014-07-09 | 上海汽车集团股份有限公司 | Quick-replacing battery box electric connection device for electric vehicle |
| CN103915702B (en) * | 2013-12-26 | 2016-03-23 | 上海汽车集团股份有限公司 | Motor vehicle quick change battery box arrangements of electric connection |
| CN109519430A (en) * | 2018-11-23 | 2019-03-26 | 中国航发北京航科发动机控制***科技有限公司 | A kind of hydraulic pressure difference floating electrode electricity feedback device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140806 Effective date of abandoning: 20160323 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140806 Effective date of abandoning: 20160323 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |