CN208753466U - A kind of battery of electric vehicle module - Google Patents
A kind of battery of electric vehicle module Download PDFInfo
- Publication number
- CN208753466U CN208753466U CN201821513932.6U CN201821513932U CN208753466U CN 208753466 U CN208753466 U CN 208753466U CN 201821513932 U CN201821513932 U CN 201821513932U CN 208753466 U CN208753466 U CN 208753466U
- Authority
- CN
- China
- Prior art keywords
- battery
- battery pack
- terminal
- protection system
- electric vehicle
- 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
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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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- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The utility model belongs to battery technology field, and in particular to a kind of battery of electric vehicle module, including setting is in the intracorporal battery pack of battery case and protection system；The battery pack includes multiple elder generations and the rear battery core gone here and there, and the positive terminal of battery core is corresponding with negative terminal to be welded on the total plus end and total negative terminal of battery pack；Battery pack is connect by cable terminal with protection system port, and each string battery core of cable terminal and battery pack is sequentially connected, and the total negative terminal of battery pack is connect with total negative terminals of protection system, and total plus end of battery pack is connected with the anode of battery；It in the utility model, is attached by way of laser welding between the anode, negative terminal output end and battery pack, the output of whole group battery is pooled on an output terminal and is discharged, guarantee the consistency of battery during discharge；Input/output terminal is combined into one, the consistency during charging and discharging is improved, operation is safer, reliable, and shell mechanism combination installation is reliable and stable.
Description
Technical field
The utility model belongs to battery technology field, and in particular to a kind of battery of electric vehicle module.
Background technique
With the continuous development of vehicle technology, the technology of lithium battery is forced constantly to develop, the quantity promoted the use of
Also it is being continuously improved；As electric vehicle product constantly updates, electric vehicle generallys use single lithium battery and carries out in series and parallel
Mode constitute lithium battery group, be suitable for different course continuation mileages, the demand of different speed per hours and different loads.
However, the connection between the pole of single lithium battery is mainly using nickel sheet welding due to the limitation of manufacturing cost
The phenomenon that mode, electric vehicle inevitably will appear shock and vibration in use, to the connection between single lithium battery pole
Fixed reliability brings very big test, it will have a direct impact on the use state of whole lithium battery group；Have again, lithium battery group
After multiple charge and discharge cycles, the consistency of single lithium battery declines, and security threat is generated when serious.
In the prior art, the discharge prevention of electric vehicle is the battery electricity that entire lithium battery group is controlled by electric machine controller
Pressure, so that single lithium battery is adequately protected, promotes the service performance of entire lithium battery group to prolong its service life.And
The control precision of electric machine controller still has the space further promoted.
Existing lithium battery group is all integrally to be charged with high current when being charged, and is not monitored to single string of batteries
And protection, after repeatedly recycling, the inside single string of batteries capacity of battery changes, and it is relatively small easily to fill bad capacity
Lithium battery, and battery core can also be expanded with the extension in charging time, be finally damaged, and safe thing easily occurs
Therefore.
Utility model content
For the problems of the prior art, the purpose of this utility model is to provide a kind of battery of electric vehicle modules, so that
The composition of battery module is more reasonable, improves the service life and security performance of battery pack.
To achieve the goals above, the utility model is achieved using following technical scheme:
A kind of battery of electric vehicle module, including setting is in the intracorporal battery pack of battery case and protection system；
The battery pack includes multiple elder generations and the rear battery core gone here and there, the upper and lower end of battery core are respectively arranged with bracket；Battery core
Positive terminal is corresponding with negative terminal to be welded on the total plus end and total negative terminal of battery pack；
The battery pack is connect by cable terminal with protection system port, each string battery core of cable terminal and battery pack
It is sequentially connected, the total negative terminal of battery pack is connect with total negative terminals of protection system, and total plus end of battery pack is via nut
It is connected with the anode of battery；
The battery pack is upper layer and lower layer from middle position fold, and six faces of fold plane and leakage of the battery pack are certainly
Setting highland barley paper and epoxy resin board carry out insulating protection from inside to outside.
In further technical solution, the battery module further includes the case lid that Battery case top is arranged in, case
It is tightly sealed between lid and Battery case by sealing joint strip sealing, bolt fastening, ultrasonic bonding；
Binding post places a waterproof gland head from bottom to top on the upside of case lid, places two waterproof Glans on the downside of case lid
Head.
In further technical solution, the side that the epoxy resin board closes on battery pack is placed with temperature probe, temperature
Probe placement is controlled in battery side face contact to battery, the connector of temperature probe accesses protection system.
In further technical solution, the gear of the battery core is identical, and the positive and negative anodes output terminal of battery core welds respectively
It is connected in nickel plate.
In further technical solution, the two-sided placement epoxy resin board of the protection system, and by high temperature gummed tape packet
Dress, it is fixed on the battery pack by double-sided adhesive.
Compared with prior art, the utility model has following technical effect that
In the utility model, protection system between winding displacement and battery pack by being attached, in such a way that winding displacement connects
It detects the voltage of every string battery, and setting value is set within a protection system, including overcharging for setting battery, over-discharge, short circuit
Etc. parameters, play the voltage limit up and down of every group of battery of decentralised control, guarantee the consistency of every section single battery core voltage, to protect
The safety of whole group battery, plays the role of protection.
In the utility model, the anode, negative terminal output end are the total polarity output of battery pack, between battery pack
It is attached by way of laser welding, the output of whole group battery is pooled on an output terminal and is discharged, guaranteed
The consistency of battery during discharge.
In the utility model, input/output terminal is combined into one, realizes the effect of centralized management decentralised control, improves battery
Consistency of group during charging and discharging, operation is safer, reliable, and shell mechanism combination installation is reliable and stable.
Other feature and advantage of the utility model will be described in detail in subsequent specific embodiment.
Detailed description of the invention
Fig. 1 is the schematic diagram of battery of electric vehicle module provided by the utility model；
Figure label explanation: 10- Battery case, 11- case lid, 20- battery pack, 21- battery core, 30- protect system, and 40- is green
Highland barley paper, 50- epoxy resin board.
Specific embodiment
In order to be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, under
Face combines specific accompanying drawings and embodiments, furthers elucidate the utility model.
As shown in connection with fig. 1, the utility model provides a kind of battery of electric vehicle module, including is arranged in Battery case 10
Battery pack 20 and protection system 30；
The battery pack 20 includes multiple elder generations and the rear battery core 21 gone here and there, the upper and lower end of battery core 21 are respectively arranged with bracket；
The positive terminal of battery core 21 is corresponding with negative terminal to be welded on the total plus end and total negative terminal of battery pack 20；Battery core 20 is just
Pole and cathode face pass through nickel plate laser welding；
The battery pack 20 is connect by cable terminal with protection 30 port of system, and cable terminal is each with battery pack 20
String battery core is sequentially connected, and the total negative terminal of battery pack 20 is connect with total negative terminals of protection system 30, battery pack 20 always just
Terminal is connected via nut with the anode of battery；
It is upper layer and lower layer, the fold plane of the battery pack 20 and leakage six that the battery pack 20 is turned down from middle position
Highland barley paper 40 is arranged in face from inside to outside and epoxy resin board 50 carries out insulating protection.
The battery module further includes the case lid 11 that 10 top of Battery case is arranged in, case lid 11 and Battery case 10 it
Between tightly sealed by sealing joint strip sealing, bolt fastening, ultrasonic bonding；
Binding post places a waterproof gland head in 11 upside of case lid from bottom to top, places two waterproof lattice on the downside of case lid 11
Blue head.
The side that the epoxy resin board 50 closes on battery pack 20 is placed with temperature probe, and temperature probe is placed on battery side
For face contact to battery, the connector of temperature probe accesses protection system 30.
The gear of the battery core 21 is identical, and the positive and negative anodes output terminal of battery core 21 is welded in nickel plate.
The two-sided placement epoxy resin board 50 of the protection system 30, and packed by high temperature gummed tape, it is fixed by double-sided adhesive
In battery pack 20.
The assembly process of battery of electric vehicle module described in the utility model are as follows:
S1: battery combo
By identical gear battery core by 10 together 17 be put into battery lower bracket in the way of a string, quantity is 170 in groups
Battery core upper bracket is buckled in the upper surface of battery core by branch/group；
The welding of the face S2:A
Nickel plate and the cooperation of battery core polar surface is smooth, the face battery pack A is welded by stitch welding machine；
The welding of the face S3:B
By nickel plate, terminal nickel plate through sticking double faced adhesive tape in battery core, the total positive and negative placement of cupro-nickel is correct, passes through automatic spot
Machine welds the face battery pack B；
S4: acquisition wire bonding
The winding displacement of system will be protected to correspond, be welded in every a string of battery pack of nickel plate；
S5: packaging
Highland barley paper is attached to six faces of the battery pack being welded, battery modules are put in the middle position doubling of the face B, foldable plane
Epoxy resin board is set, epoxy resin board is placed in six faces of battery pack after doubling, and temperature control is placed between battery pack and epoxy resin board
Probe, is fixed between epoxy resin board and battery modules by high temperature gummed tape, and temperature probe is placed on the contact of battery module side
To battery, expose temperature acquisition line, 90 ° of anode and cathode terminals are folded upward at；
S6: battery cartonning
It will cut after qualified epoxy resin board is bonded in battery case bottom surface with double-sided adhesive, packaged battery pack will be put into
In Battery case, the fixation in battery pack Z-direction is fixed by battery box cover compression；
S7: protection system wiring, installation
Temp probe connector is accessed into protection system, thread plug in battery core is welded on and is connected to protection system receptacle
On；Protection system is fixed on battery by double-sided adhesive, wherein protection system is two-sided to put epoxy resin board, with high temperature gummed tape packet
Dress；
S8: always just, always negative outlet installation
It is always just being directly welded in battery pack, is being carried out on installation output valve twin-core terminal by waterproof gland head, it is total negative logical
Overprotection system is connected in total negative wire road, always just, is always born by waterproof gland head output valve twin-core terminal, that is, completing
Export process.
S9: case lid installation
Pass through four hexagon flange bolt fastenings between case lid and cabinet, wherein pass through sealing joint strip between case lid and cabinet
Sealing, bolt fastening, ultrasonic bonding sealing.
Battery module described in the utility model, composition is structurally reasonable, and each single battery core connection is using laser welding
Mode carries out detection protection using protection system in charge and discharge process, substantially increases service life and the security performance of battery, increases
Battery durable mileage is added.
Battery case described in the utility model is made of fire-retardant ABS material, and intensity is high, good weatherability.
The characteristics of basic principles and main features and the utility model of the utility model have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these changes and improvements are both fallen in the range of claimed invention.This is practical new
The claimed range of type is defined by the appending claims and its equivalent thereof.
Claims (5)
1. a kind of battery of electric vehicle module, it is characterised in that: including setting in the intracorporal battery pack of battery case and protection system；
The battery pack includes multiple elder generations and the rear battery core gone here and there, the upper and lower end of battery core are respectively arranged with bracket；The anode of battery core
Terminal is corresponding with negative terminal to be welded on the total plus end and total negative terminal of battery pack；
The battery pack is connect by cable terminal with protection system port, and each string battery core of cable terminal and battery pack is successively
The total negative terminal of connection, battery pack is connect with total negative terminals of protection system, and total plus end of battery pack is via nut and electricity
The anode in pond is connected；
The battery pack is upper layer and lower layer from middle position fold, and six faces of fold plane and leakage of the battery pack are certainly introversive
Outer setting highland barley paper and epoxy resin board carry out insulating protection.
2. battery of electric vehicle module according to claim 1, it is characterised in that: the battery module further includes that setting exists
The case lid on Battery case top is tight by sealing joint strip sealing, bolt fastening, ultrasonic bonding between case lid and Battery case
Envelope；
Binding post places a waterproof gland head from bottom to top on the upside of case lid, places two waterproof gland heads on the downside of case lid.
3. battery of electric vehicle module according to claim 1, it is characterised in that: the epoxy resin board closes on battery pack
Side is placed with temperature probe, and temperature probe is placed on battery side face contact to battery, and the connector of temperature probe accesses protection
System.
4. battery of electric vehicle module according to claim 1, it is characterised in that: the gear of the battery core is identical, and battery core
Positive and negative anodes output terminal be welded in nickel plate.
5. battery of electric vehicle module according to claim 1, it is characterised in that: the two-sided placement epoxy of the protection system
Resin plate, and packed by high temperature gummed tape, it is fixed on the battery pack by double-sided adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821513932.6U CN208753466U (en) | 2018-09-14 | 2018-09-14 | A kind of battery of electric vehicle module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821513932.6U CN208753466U (en) | 2018-09-14 | 2018-09-14 | A kind of battery of electric vehicle module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208753466U true CN208753466U (en) | 2019-04-16 |
Family
ID=66084506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821513932.6U Expired - Fee Related CN208753466U (en) | 2018-09-14 | 2018-09-14 | A kind of battery of electric vehicle module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208753466U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109216802A (en) * | 2018-09-14 | 2019-01-15 | 合肥众禾动力新能源科技有限公司 | A kind of battery of electric vehicle module |
| CN112397917A (en) * | 2020-10-20 | 2021-02-23 | 速珂智能科技（上海）有限公司 | Electric motor car battery prevents inserting device that hinders |
-
2018
- 2018-09-14 CN CN201821513932.6U patent/CN208753466U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109216802A (en) * | 2018-09-14 | 2019-01-15 | 合肥众禾动力新能源科技有限公司 | A kind of battery of electric vehicle module |
| CN112397917A (en) * | 2020-10-20 | 2021-02-23 | 速珂智能科技（上海）有限公司 | Electric motor car battery prevents inserting device that hinders |
| CN112397917B (en) * | 2020-10-20 | 2024-01-05 | 速珂智能科技（上海）有限公司 | Electric vehicle battery anti-insertion device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190416 Termination date: 20210914 |