CN205141059U - Electric joint design between batteries of electric vehicle inter block battery box or battery module - Google Patents
Electric joint design between batteries of electric vehicle inter block battery box or battery module Download PDFInfo
- Publication number
- CN205141059U CN205141059U CN201520886698.1U CN201520886698U CN205141059U CN 205141059 U CN205141059 U CN 205141059U CN 201520886698 U CN201520886698 U CN 201520886698U CN 205141059 U CN205141059 U CN 205141059U
- Authority
- CN
- China
- Prior art keywords
- conducting resinl
- batteries
- battery
- sheath
- electric
- 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- Withdrawn - After Issue
Links
- 239000004020 conductor Substances 0.000 claims abstract description 20
- 239000011810 insulating material Substances 0.000 claims abstract description 4
- 239000000155 melt Substances 0.000 claims abstract description 4
- 230000008018 melting Effects 0.000 claims description 9
- 238000002844 melting Methods 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 3
- 229920005992 thermoplastic resin Polymers 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 abstract description 3
- 239000011347 resin Substances 0.000 abstract 2
- 229920005989 resin Polymers 0.000 abstract 2
- 239000007788 liquid Substances 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 208000032953 Device battery issue Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model discloses an electric joint design between batteries of electric vehicle inter block battery box or battery module, it includes: by the sheath that insulating material made, insert respectively to establish and fix two conductors at sheath both ends, and fill in in the sheath, and will the conducting resins that couple together of two conductors bonding, the conducting resin has certain heat and melts the temperature. The utility model discloses it can reach and reliably and steadily couple together batteries of electric vehicle inter block battery box or battery module electricity to at the battery short circuit takes place, overflow, during the thermal runaway, the electricity that in time breaks off between corresponding battery box or the battery module is connected, plays the safety protection effect.
Description
Technical field
The utility model relates to the electric connection structure between battery case in a kind of batteries of electric automobile group or battery modules, belongs to cell art.
Background technology
In order to ensure the safety of equipment, fuse and circuit breaker are common electric elements.The high-tension battery pack of part, for the needs of protection cell safety, is also provided with fuse, circuit breaker, relay, in the situations such as battery pack overcurrent, short circuit, is cut off by the major loop of battery pack, avoid generation and the expansion of accident.The battery pack that a lot of battery pack is such as used for electric vehicle, voltage is higher, for the consideration of safeguard protection, is designed with the circuit breaker between internal battery pack casing, and internal battery pack being electrically connected disjunction under crisis situations is a few part.Circuit breaker is the thermal strain device that action comes conducting or cut-off current according to variations in temperature.Bimetal leaf is laminated with the plate-shaped metal material that two kinds of coefficient of thermal expansions are different, and temperature difformity and stress can change, and reach the effect disconnecting contact point or the contact point that again closes.Certainly, light has circuit breaker not ensure safety, because time relay and circuit breaker have an inefficacy, fuse ensures that the physics of system safety ensures.The fuse of prior art is certain alloy, has certain fusing point, designs after overcurrent acquires a certain degree, and alloy heat generating temperature raises, and fuses after exceeding fusing point.The fuse of prior art, owing to being current response type, its designing melting point often exceeds much than system safety temperature.The safety of battery system often occurs in thermal runaway again, and therefore this kind of fuse plays a protective role when short circuit overcurrent, does not play a protective role in system overheat situation.
Utility model content
The utility model object is: for the problems referred to above; electric connection structure between battery case in a kind of batteries of electric automobile group or battery modules is proposed; battery case or battery modules in batteries of electric automobile group can either reliably and stably be electrically connected by it; and when battery short circuit, overcurrent, thermal runaway; electrical connection between timely disconnection respective battery case or battery modules, plays safeguard protection effect.
The technical solution of the utility model is: the electric connection structure in a kind of batteries of electric automobile group between battery case or battery modules, and it comprises:
The sheath be made up of insulating material,
Plug two conductors being fixed on described sheath two ends respectively, and
To be filled in described sheath and by described two conducting resinls that conductor bonding connection is got up;
Described conducting resinl has certain heat and melts temperature.
The utility model, on the basis of technique scheme, also comprises following preferred version:
Described sheath is provided with the gum-injecting port between described two conductors.
Described sheath is provided with: for collecting the valve of the conducting resinl collecting chamber of conducting resinl after melting, the conducting resinl runner between described conducting resinl and described conducting resinl collecting chamber and for closing/this conducting resinl runner of conducting.
It is formulated that described conducting resinl adds conducting particles by thermoplastic resin.
Described conductor is connected with the total positive bus-bar on battery pack major loop or total negative busbar.
The utility model has the advantages that: the utility model, under out of control, the thermal runaway of electricity or situation on fire appear in battery, can disconnect electrical connection in time, make out of control the isolation, and be low pressure by high pressure disjunction, enhance the fail safe of batteries of electric automobile group greatly.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of this electric connection structure of the utility model embodiment;
Wherein: 1-sheath, 2-conductor, 3-conducting resinl, 4-conducting resinl collecting chamber, 5-conducting resinl runner.
Embodiment
Fig. 1 shows a specific embodiment of this electric connection structure of the utility model, it is for being electrically connected between battery case or between battery modules in batteries of electric automobile group, this electric connection structure comprises: the sheath 1 be made up of insulating material, plug two conductors 2 being fixed on described sheath 1 two ends respectively, and to be filled in described sheath 1 and the conducting resinl 3 that described two conductor 2 bonding connections are got up.The heat that described conducting resinl has design melts temperature, and described thawing flow temperature designs by the object of demand for safety protection, generally starts the temperature of contraction distortion higher than battery diaphragm, but lower than battery diaphragm closed temperature.Make temperature exceed the hot melting temperature of described conducting resinl 3 when battery failures after, the conducting resinl 3 at corresponding electric connection place just can melt and flow away, thus disconnects the connection of described two conductors 2, ensures cell safety.
This example is provided with the gum-injecting port between described two conductors 2 on described sheath 1, to facilitate the injection of described conducting resinl 3.And be also provided with on described sheath 1: for the valve (not shown in FIG.) of the conducting resinl collecting chamber 4 of conducting resinl after collecting melting, the conducting resinl runner 5 between described conducting resinl 3 and described conducting resinl collecting chamber and for closing/this conducting resinl runner of conducting.
During assembling, first the pre-buried conductor 2 at the two ends of sheath 1, closes described valve, thus blocks described conducting resinl runner 5, is injected in sheath 1 by liquid conducting resinl 3, flow in conducting resinl collecting chamber 4 to prevent liquid conducting resinl 5 by the gum-injecting port on sheath 1.Until the solidification of liquid conducting resinl and after two conductors 2 are linked together; open valve; described conducting resinl runner 5 is made to be in conducting state; if now battery is because electric current is excessive, the factor such as short circuit or thermal runaway and temperature is too high; the conducting resinl 3 of solidification just can melt and flows away and flow in conducting resinl collecting chamber 4 by conducting resinl runner 5; thus disconnect the connection of described two conductors 2, play the safeguard protection effect to battery.The design of conducting resinl runner and conducting resinl collecting chamber, can prevent on the one hand the conducting resinl of melting to run helter-skelter contaminated environment, the conducting resinl of melting can be avoided on the other hand to flow into battery dangerous position and cause short circuit.
In this example, it is formulated that described conducting resinl adds conducting particles by thermoplastic resin, the hot melting temperature can fixed its design, and after temperature exceedes designed hot melting temperature, conducting resinl fusing flows away, and electrical connection disconnects, and this is existing mature technology.
Described conductor 2 is generally connected with the total positive bus-bar on battery pack major loop or total negative busbar, during embody rule, conductor 2 is connected terminal of remaining silent, is received by bus cable and remain silent on terminal.
Certainly, above-described embodiment, only for technical conceive of the present utility model and feature are described, its object is to people can be understood content of the present utility model and implement according to this, can not limit protection range of the present utility model with this.All equivalent transformations of doing according to the Spirit Essence of the utility model main technical schemes or modification, all should be encompassed within protection range of the present utility model.
Claims (5)
1. the electric connection structure in batteries of electric automobile group between battery case or battery modules, is characterized in that it comprises:
The sheath (1) be made up of insulating material,
Plug two conductors (2) being fixed on described sheath (1) two ends respectively, and
To be filled in described sheath (1) and the conducting resinl (3) that the bonding connection of described two conductors (2) is got up;
Described conducting resinl has certain heat and melts temperature.
2. the electric connection structure in batteries of electric automobile group according to claim 1 between battery case or battery modules, is characterized in that, described sheath (1) is provided with the gum-injecting port be positioned between described two conductors (2).
3. the electric connection structure in batteries of electric automobile group according to claim 1 between battery case or battery modules, it is characterized in that, (1) is provided with described sheath: for conducting resinl after collecting melting conducting resinl collecting chamber (4), be positioned at conducting resinl runner (5) between described conducting resinl (3) and described conducting resinl collecting chamber and for closing/valve of this conducting resinl runner of conducting.
4. the electric connection structure in batteries of electric automobile group according to claim 1 between battery case or battery modules, it is characterized in that, it is formulated that described conducting resinl adds conducting particles by thermoplastic resin.
5. the electric connection structure in batteries of electric automobile group according to claim 1 between battery case or battery modules, is characterized in that, described conductor (2) is connected with the total positive bus-bar on battery pack major loop or total negative busbar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520886698.1U CN205141059U (en) | 2015-11-09 | 2015-11-09 | Electric joint design between batteries of electric vehicle inter block battery box or battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520886698.1U CN205141059U (en) | 2015-11-09 | 2015-11-09 | Electric joint design between batteries of electric vehicle inter block battery box or battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205141059U true CN205141059U (en) | 2016-04-06 |
Family
ID=55626820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520886698.1U Withdrawn - After Issue CN205141059U (en) | 2015-11-09 | 2015-11-09 | Electric joint design between batteries of electric vehicle inter block battery box or battery module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205141059U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105336907A (en) * | 2015-11-09 | 2016-02-17 | 金龙联合汽车工业（苏州）有限公司 | Electric contact structure between battery boxes or battery modules in electric automobile battery pack |
-
2015
- 2015-11-09 CN CN201520886698.1U patent/CN205141059U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105336907A (en) * | 2015-11-09 | 2016-02-17 | 金龙联合汽车工业（苏州）有限公司 | Electric contact structure between battery boxes or battery modules in electric automobile battery pack |
| CN105336907B (en) * | 2015-11-09 | 2018-11-27 | 金龙联合汽车工业（苏州）有限公司 | Electric connection structure in batteries of electric automobile group between battery case or battery modules |
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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: 20160406 Effective date of abandoning: 20181127 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20160406 Effective date of abandoning: 20181127 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |