CN206441787U - A kind of electric automobile battery box - Google Patents
A kind of electric automobile battery box Download PDFInfo
- Publication number
- CN206441787U CN206441787U CN201621464053.XU CN201621464053U CN206441787U CN 206441787 U CN206441787 U CN 206441787U CN 201621464053 U CN201621464053 U CN 201621464053U CN 206441787 U CN206441787 U CN 206441787U
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- Prior art keywords
- battery
- crossbeam
- electric automobile
- coldplate
- liquids
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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)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
A kind of electric automobile battery box, including Battery case and a Battery pack module, the Battery case are made up of lower box and case lid；Also include integral type support frame, under(-)chassis is constituted by one group of horizontal stroke, longeron, there is the flow channel for liquids of cavity formation in each crossbeam and rail inner and be mutually communicated composition circulation waterway；Enter and delivery port provided with one group on lower box, this enters is connected with the head end of circulation waterway and end respectively with delivery port；A described Battery pack module is uniformly distributed and is separately fixed on longeron, and often arrange a coldplate stood on under(-)chassis crossbeam is provided between two battery modules that are adjacent and setting, the flow channel for liquids moved for cooled liquid stream is carried in each coldplate, the flow channel for liquids is mutually communicated with circulation waterway.It can consider mechanical performance and performance requirements, effectively improve rigidity, reduction weight, and improve the temperature homogeneity of battery system, reduce the structural complexity of liquid cooling system.
Description
Technical field
The utility model belongs to cell art, more particularly to a kind of electric automobile battery box.
Background technology
Increasingly serious with environmental problem and Energy situation, electric automobile is increasingly paid attention to by people, and electrokinetic cell is
The significant energy source of electric automobile, and reliability and security that battery case is on active service to battery play an important role.Battery case
Design need to consider many influence factors, such as mechanical properties, it is light-weighted and meanwhile need enough rigidity and
Intensity；In terms of hot property, to make battery be operated within the scope of suitable temperature, it is necessary to built-in effective heat-conducting circulating system.Cause
How this, design the battery case of a suitable power battery pack, battery pack can effectively be protected and it is reliably worked,
As one of key research projects.
The cold and hot management system of liquid is to take away the heat that power battery pack is produced by circulating for coolant, reaches cooling
Purpose.During way to manage cold and hot using liquid, coldplate is usually provided with casing, coldplate has unit volume radiating efficiency
Greatly, the characteristics of reliability high and good maintainability.Coldplate is typically secured on casing, and liquid flow is left in coldplate
Road, usual multiple coldplates are connected by straight coupling with external water pipe, are collectively formed circulation line, are realized heat transfer.This
In the case of kind, the cold pipeline plug of liquid is more, and sealed reliability can be affected.
Reinforcing rib structure is usually provided with battery case, on the one hand for improving casing rigidity and intensity, on the other hand may be used
With self-contained battery module.The reinforcement and plate structure of cooling of current existing battery case are more complicated, considerably increase box weight.
Therefore, effectively realize that battery case lightweight is safe and reliable with system, be problem to be solved in the utility model.Mainly
Purpose improves temperature homogeneity also for radiating efficiency is improved.
The content of the invention
The purpose of this utility model is to provide a kind of electric automobile battery box, and it can consider mechanical performance and hot property
It is required that, rigidity, reduction weight are effectively improved, and the temperature homogeneity of battery system is improved, the structure of reduction liquid cooling system is answered
Polygamy.
To achieve the above object, the utility model takes following design：
A kind of electric automobile battery box, including Battery case and the Battery pack module that is placed in casing, the battery case
Body is combined by lower box and case lid；It also includes an integral type support frame, is made up of one group of crossbeam and one group of longeron
, there is the flow channel for liquids of cavity formation and mutual in described each crossbeam and rail inner in the under(-)chassis of the integral type support frame
Insertion constitutes circulation waterway；Be provided with one group of water inlet and delivery port on lower box, the water inlet and delivery port respectively with circulation
The head end in water route is connected with end；A described Battery pack module is uniformly distributed and is separately fixed at the vertical of the under(-)chassis
Liang Shang, and often arrange a coldplate stood on the under(-)chassis crossbeam is provided between two battery modules that are adjacent and setting, respectively
The flow channel for liquids moved for cooled liquid stream is carried in coldplate, the flow channel for liquids is mutually communicated with the circulation waterway.
In the electric automobile battery box, the flow channel for liquids in each coldplate is by some branch fluid streams in parallel
Road is constituted；At most there is a runner in each longeron, the head end of circulation waterway and end are each provided on longeron.
In the electric automobile battery box, the lower box is provided with two water inlets and two delivery ports, the water inlet
Mouth and delivery port are all on the same side wall of the lower box.
In the electric automobile battery box, coldplate in the integral type support frame and crossbeam are formed in one structure,
One group of crossbeam and one group of longeron form integral frame structure by welding.
In the electric automobile battery box, the Battery case and integral type support frame are that light alloy material is made.
On the one hand the utility model improves the stiffness and strength of casing, it is contemplated that casing lightweight problem, moreover, in parallel
Circulation line, it is possible to increase with the temperature homogeneity that symmetrical feature battery system is overall.
The utility model has the advantages that：
1) the integral type support frame structure is reasonable in design；
2) coldplate is directly connected to be integrally formed with crossbeam, longeron, and the runner of the connection of cavity formation internally, in longeron
One end of runner is respectively turned on the water inlet and delivery port of casing, and runner is split into the multichannel of parallel connection, Neng Goushi in coldplate
Now preferable uniform cooling effect；
3) original external straight coupling and water pipe are replaced using closed runner, reduces casing gut line quantity, letter
Change installation and repaired, it is to avoid the leakage problem that shuttle belt comes, improve the reliability of the circulatory system.
Brief description of the drawings
Fig. 1 is the utility model electric automobile battery box structural representation.
Fig. 2 is Fig. 1 top view.
Fig. 3 is the integral type support frame structure schematic diagram of this electric automobile battery box.
Fig. 4 is Fig. 3 front view.
Fig. 5 is Fig. 3 profile.
In figure：1- lower boxes；2- case lids；3- battery modules；4- integral type support frames；11- water inlets；12- delivery ports；
41- crossbeams；42- longerons；43- coldplates；44- flow channel for liquids.
Below in conjunction with the accompanying drawings and specific embodiment is described in further details to the utility model.
Embodiment
Referring in Fig. 1~Fig. 3, the utility model electric automobile battery box mainly includes Battery case and is placed in casing
One Battery pack module, also includes an integral type support frame 4.
The Battery case includes lower box 1, case lid 2.One group of water inlet and delivery port are provided with lower box.
The under(-)chassis of the integral type support frame 4 is made up of one group of crossbeam 41 and one group of longeron 42, crossbeam 41 and longeron
42 form integral frame structure by welding.There is the flow channel for liquids and phase of cavity formation in described each crossbeam and rail inner
Mutual insertion composition circulation waterway.
A described Battery pack module 3 is symmetrically distributed in the longeron 42 in casing, being separately fixed at the under(-)chassis
On, and it is spaced between battery modules 3, to insert coldplate.
The coldplate 43 is stood upright on the crossbeam 41 of integral type support frame 4, and both are formed in one structure, each cooling
The flow channel for liquids moved for cooled liquid stream is carried in plate, the flow channel for liquids is mutually communicated with the circulation waterway.
Flow channel for liquids 44 is reserved by machining mode on the crossbeam 41, longeron 42 and coldplate 43, lower box 1 by
Bottom plate and side wall are surrounded, and certain side wall wherein is provided with 2 water inlets 11 and 2 delivery ports 12, referring to Fig. 1.
The present invention integral type support frame longeron 42 and crossbeam 41 be connected with lower box 1, the connected mode or
Person is to paste to be integrated, or is welded as a whole, and pastes and weld using complete viscous, full weldering or point type stickup, spot welding
Form.
The case lid 2 matches somebody with somebody to merge with lower box 1 is attached thereto fixation, battery modules 3 and the longeron 42 of integral type support frame
It is connected, it is described to be connected as bolt fixed mode.
A preferred embodiment of the present utility model is：
There are two water routes in parallel in each coldplate 43, to increase the heat exchange of fluid and coldplate, improve cooling efficiency.
As shown in Fig. 3~Fig. 5, the runner of crossbeam 41 plays the runner that not-go-end is both connected to longeron 42, the stream of middle 2 longerons
Road connects the water inlet 11 and boss reinforcement structure, the delivery port 12 of the flow passage lower box of the longeron of both sides 2 of lower box, takes
Disappeared original joint and water pipe for connecting coldplate, reduces the structure complexity of system, is easy to safeguard.
As shown in Fig. 3~Fig. 5, the runner insertion in some longitudinal beam connecteds 42 of coldplate 43 and crossbeam 41 constitutes circulation pipe
Road, forms the liquid cooling system with the circulation line that goes with each other all the time.Coldplate 43 is located between two battery modules 3, coldplate 43
With the contacts side surfaces of battery modules 3 so that coldplate 43 can carry out heat biography with each cell in battery module 3
Pass.The coldplate of the liquid cooling system is arranged in parallel, it is to avoid coolant temperature, which gradually rises, causes front and rear coldplate temperature difference.
When being radiated to battery modules 3, heat transfer fluid medium enters central longeron stream from 2 water inlets on lower box 1 simultaneously
Road, and then flowed through respectively by the runner of insertion inside each crossbeam 41 and coldplate 43, two side girder runners are then imported into, are led to
The 2 delivery ports outflow crossed on lower box 1, reaches the purpose for taking heat out of.
The utility model battery case reasonable in design, overall structure is simple and reliable, good with lightweight, heat dispersion
Advantage.
The various embodiments described above can be subject to some changes in the case where not departing from scope of the present utility model, therefore the explanation of the above is wrapped
Contain and accompanying drawing shown in structure should be regarded as it is exemplary, and be not used to limit present utility model application patent protection domain.
Claims (5)
1. a kind of electric automobile battery box, including Battery case and the Battery pack module that is placed in casing, the Battery case
Combined by lower box and case lid；Characterized by further comprising there is an integral type support frame, indulged by one group of crossbeam and one group
Beam constitutes the under(-)chassis of the integral type support frame, there is the flow channel for liquids of cavity formation in described each crossbeam and rail inner
And it is mutually communicated composition circulation waterway；One group of water inlet and delivery port, the water inlet and delivery port difference are provided with lower box
It is connected with the head end of circulation waterway and end；A described Battery pack module is uniformly distributed and is separately fixed at the bottom frame
On the longeron of frame, and often arrange a cooling stood on the under(-)chassis crossbeam is provided between two battery modules that are adjacent and setting
The flow channel for liquids moved for cooled liquid stream is carried in plate, each coldplate, the flow channel for liquids is mutually communicated with the circulation waterway.
2. electric automobile battery box as claimed in claim 1, it is characterised in that：If flow channel for liquids in each coldplate by
Dry bar branch fluid runner composition in parallel；At most there is a runner in each longeron, the head end of circulation waterway and end are all provided with
On longeron.
3. electric automobile battery box as claimed in claim 1 or 2, it is characterised in that：The lower box is provided with two water inlets
Mouth and two delivery ports, the water inlet and delivery port are all on the same side wall of the lower box.
4. electric automobile battery box as claimed in claim 2, it is characterised in that：Coldplate in the integral type support frame with
Crossbeam is formed in one structure, and one group of crossbeam and one group of longeron form integral frame structure by welding.
5. electric automobile battery box as claimed in claim 1, it is characterised in that：The Battery case and integral type support frame are equal
It is made up of light alloy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621464053.XU CN206441787U (en) | 2016-12-29 | 2016-12-29 | A kind of electric automobile battery box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621464053.XU CN206441787U (en) | 2016-12-29 | 2016-12-29 | A kind of electric automobile battery box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206441787U true CN206441787U (en) | 2017-08-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621464053.XU Active CN206441787U (en) | 2016-12-29 | 2016-12-29 | A kind of electric automobile battery box |
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| Country | Link |
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| CN (1) | CN206441787U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107453007A (en) * | 2017-09-06 | 2017-12-08 | 南通市阳光节能科技有限公司 | On-vehicle battery heat management device |
| CN107565075A (en) * | 2017-09-13 | 2018-01-09 | 华霆（合肥）动力技术有限公司 | Rectangular cell module and thermal management algorithm |
| CN108091961A (en) * | 2017-12-12 | 2018-05-29 | 桑顿新能源科技有限公司 | A kind of battery drainage samming liquid cooling plate |
| CN108134031A (en) * | 2018-01-30 | 2018-06-08 | 汽-大众汽车有限公司 | A kind of battery pack housing of integrated coolant flow channel |
| CN108539078A (en) * | 2018-05-25 | 2018-09-14 | 铜陵市优车科技有限公司 | Battery case and its electric vehicle |
| CN109802062A (en) * | 2017-11-17 | 2019-05-24 | 丰田自动车株式会社 | Vehicle battery shell and its manufacturing method |
| CN111755637A (en) * | 2019-03-26 | 2020-10-09 | 陈宜云 | Battery box cooling device |
| US20210391609A1 (en) * | 2020-06-12 | 2021-12-16 | Sk Innovation Co., Ltd. | Battery module |
| US11431056B2 (en) | 2019-11-13 | 2022-08-30 | Ford Global Technologies, Llc | Systematic layouts for electrified vehicle traction battery packs |
| CN115692925A (en) * | 2022-11-04 | 2023-02-03 | 江苏奥特帕斯新能源科技有限公司 | Electric automobile heat dissipation type battery box structure, assembly tool and assembly method thereof |
| CN116470214A (en) * | 2023-05-25 | 2023-07-21 | 深圳市玖利源电子技术有限公司 | Power battery pack with anti-impact mounting bracket |
-
2016
- 2016-12-29 CN CN201621464053.XU patent/CN206441787U/en active Active
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107453007A (en) * | 2017-09-06 | 2017-12-08 | 南通市阳光节能科技有限公司 | On-vehicle battery heat management device |
| CN107453007B (en) * | 2017-09-06 | 2023-11-10 | 南通市阳光节能科技有限公司 | Vehicle-mounted battery thermal management device |
| CN107565075A (en) * | 2017-09-13 | 2018-01-09 | 华霆（合肥）动力技术有限公司 | Rectangular cell module and thermal management algorithm |
| CN109802062A (en) * | 2017-11-17 | 2019-05-24 | 丰田自动车株式会社 | Vehicle battery shell and its manufacturing method |
| CN109802062B (en) * | 2017-11-17 | 2021-08-27 | 丰田自动车株式会社 | Battery case for vehicle and method for manufacturing same |
| CN108091961B (en) * | 2017-12-12 | 2021-09-17 | 桑顿新能源科技(长沙)有限公司 | Drainage samming liquid cooling plate for battery |
| CN108091961A (en) * | 2017-12-12 | 2018-05-29 | 桑顿新能源科技有限公司 | A kind of battery drainage samming liquid cooling plate |
| CN108134031A (en) * | 2018-01-30 | 2018-06-08 | 汽-大众汽车有限公司 | A kind of battery pack housing of integrated coolant flow channel |
| CN108539078A (en) * | 2018-05-25 | 2018-09-14 | 铜陵市优车科技有限公司 | Battery case and its electric vehicle |
| CN111755637A (en) * | 2019-03-26 | 2020-10-09 | 陈宜云 | Battery box cooling device |
| US11431056B2 (en) | 2019-11-13 | 2022-08-30 | Ford Global Technologies, Llc | Systematic layouts for electrified vehicle traction battery packs |
| US11876202B2 (en) | 2019-11-13 | 2024-01-16 | Ford Global Technologies, Llc | Systematic layouts for electrified vehicle traction battery packs |
| US20210391609A1 (en) * | 2020-06-12 | 2021-12-16 | Sk Innovation Co., Ltd. | Battery module |
| US11563246B2 (en) * | 2020-06-12 | 2023-01-24 | Sk On Co., Ltd. | Battery module |
| CN115692925A (en) * | 2022-11-04 | 2023-02-03 | 江苏奥特帕斯新能源科技有限公司 | Electric automobile heat dissipation type battery box structure, assembly tool and assembly method thereof |
| CN115692925B (en) * | 2022-11-04 | 2023-11-03 | 江苏奥特帕斯新能源科技有限公司 | Heat dissipation type battery box structure of electric automobile, assembly tool and assembly method of assembly tool |
| CN116470214A (en) * | 2023-05-25 | 2023-07-21 | 深圳市玖利源电子技术有限公司 | Power battery pack with anti-impact mounting bracket |
| CN116470214B (en) * | 2023-05-25 | 2024-05-14 | 深圳市玖利源电子技术有限公司 | Power battery pack with anti-impact mounting bracket |
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