CN109509851A - A kind of battery case outer bottom immersion liquid cooling power battery - Google Patents
A kind of battery case outer bottom immersion liquid cooling power battery Download PDFInfo
- Publication number
- CN109509851A CN109509851A CN201811424082.7A CN201811424082A CN109509851A CN 109509851 A CN109509851 A CN 109509851A CN 201811424082 A CN201811424082 A CN 201811424082A CN 109509851 A CN109509851 A CN 109509851A
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- CN
- China
- Prior art keywords
- battery case
- liquid
- sealing
- battery
- supporting plate
- 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.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The present invention discloses a kind of battery case outer bottom immersion liquid cooling power battery, including liquid inlet joint, liquid outlet connector, seal supporting plate, bolt hole, single battery core, cutoff board, shunt reinforcing rib, reinforcing rib runner, flow blocking plate runner, liquid outlet, liquid inlet, cutoff board sealing bolt hole and battery case sealing bottom surface platform, liquid inlet joint and liquid outlet connector are located at the top of sealing supporting plate, liquid inlet joint is connected with liquid heat management medium entrance pipeline, liquid outlet connector and liquid heat management media outlet piping connection, supporting plate is sealed in conjunction with power battery box bottom, form the cavity of sealing, sealing supporting plate is surrounded by bolt hole, cutoff board is located at battery case bottom, battery case bottom surface fluid is set to be divided into feed liquor and out liquid, shunt reinforcing rib is located at battery case bottom, and it is vertically arranged with cutoff board, reinforcing rib runner is set to shunt On reinforcing rib, flow blocking plate runner is set on cutoff board.Power battery may be implemented with heat pipe and without the flexible configuration of heat management in the present invention.
Description
Technical field:
The present invention relates to power battery thermal management system more particularly to a kind of battery case outer bottom immersion liquid cooling power electrics
Pond.
Background technique:
For power battery as one of electric vehicle core component, performance and battery thermal management are inseparable.Power battery heat
The purpose of management is exactly to take suitable means to make single cell operation in suitable temperature range, and guarantee battery pack temperature point
Cloth is uniform.As one of battery thermal management mode, liquid heat medium way to manage heat exchange efficiency is good, and battery case seals grade height,
The heating and refrigeration that battery may be implemented, are generally affirmed, and obtain extensive use so obtaining everybody.
Power battery liquid medium heat management can be divided into many forms.Conducting liquid heat pipe can be divided by liquid medium
Reason and non-electrically conductive liquid heat management can be divided into battery case heat pipe outside heat management and battery case by heat management system riding position
Reason, can be divided into battery core bottom surface heat management and battery core side heat management according to single battery core heat-transfer surface type.Conductive liquid is situated between
Matter is as main application form, it is necessary to be sealed in liquid cooling plate or the runner of sealing, but be placed in the liquid in battery case
Cold plate or sealing runner will generate serious consequence once conducting medium leakage occurs.Non-conductive liquid medium can be direct
Power battery box is poured into, the component without additionally increasing carrying liqs runner, but this technology is also immature so far,
Seldom see the product of batch application.Heat management is higher with respect to the outer heat management heat exchange efficiency of battery case in battery case, but battery
Safety and energy density can reduce.The outer heat management of battery case, which can be convenient, realizes power battery band heat management and without heat pipe
The flexible configuration of reason, the outer heat management safety of battery case is higher, in the case where improving heat exchange efficiency, the outer heat management tool of battery case
There is apparent advantage.Battery core side heat management belongs to heat management in battery case, and heat management structure is more complicated, runs ring in vehicle
In the case that border is changeable, battery core side and heat-exchange system contact interface thermal resistance can be gradually increased at any time.Battery core bottom surface heat management
Both it can realize, can also realize by heat management outside battery case that there is very strong practicability by heat management in battery case.
Battery case outer bottom immersion liquid cooling power battery of the present invention belongs to the battery core bottom surface heat management battery in the outer heat management of battery case.
Summary of the invention:
-1-
The present invention is to provide a kind of battery case outer bottom immersion liquid to solve the above-mentioned problems of the prior art
Cold power battery.
The technical solution adopted in the present invention has: a kind of battery case outer bottom immersion liquid cooling power battery, including feed liquor
Connector, liquid outlet connector, sealing supporting plate, bolt hole, single battery core, cutoff board, shunt reinforcing rib, reinforcing rib runner, cutoff board
Runner, liquid outlet, liquid inlet, cutoff board sealing bolt hole and battery case sealing bottom surface platform, the liquid inlet joint and go out
Liquid connector is located at the top of sealing supporting plate, and liquid inlet joint is connected with liquid heat management medium entrance pipeline, liquid outlet connector and liquid
Heat management media outlet piping connection, the sealing supporting plate forms the cavity of sealing in conjunction with power battery box bottom, described close
Envelope supporting plate is surrounded by bolt hole, and the cutoff board is located at battery case bottom, and battery case bottom surface fluid is made to be divided into feed liquor and go out
Liquid, the shunt reinforcing rib is located at battery case bottom, and is vertically arranged with cutoff board, and the reinforcing rib runner is set to shunting
On formula reinforcing rib, the flow blocking plate runner is set on cutoff board.
Further, the sealing supporting plate is equipped with liquid and is evenly distributed with runner, cutoff board seal groove, supporting plate seal groove and support
Plate sealing bolt hole is placed with gasket seal, attachment screw and cutoff board in the cutoff board seal groove, makes battery case outer bottom
Feed liquor and liquid is kept apart out places gasket seal in the supporting plate seal groove, cooperate Battery case fixing bolt and battery case bottom
Face sealing station makes seal chamber needed for sealing supporting plate and power battery box bottom formation heat management media flow.
Further, the reinforcing rib runner and cutoff board select high strength steel.
The invention has the following beneficial effects: battery case outer bottom immersion liquid cooling power batteries of the present invention may be implemented to move
Power battery is with heat pipe and without the flexible configuration of heat management.For relatively non-thermal dynamics of management battery, battery case outer bottom of the present invention
Face immersion liquid cooling power battery energy density will not be substantially reduced.Battery case outer bottom immersion liquid cooling power battery of the present invention
Safety is higher.Whether opposite heat tube reason medium is conductive not to require, even if in the case where heat management medium is revealed, also not
It will affect the safety of power battery.The battery case outer bottom immersion liquid cooling power battery thermal efficiency of the present invention is higher.Due to electricity
The reinforcing rib in pond bottom face is placed in outside battery case, then all battery core bottom surfaces in battery case can connect with tank floor completely
Touching.It is influenced by bolt clipping forcee and battery core self gravity, the thermal contact resistance of battery core bottom surface and tank floor is by driving service life shadow
Sound is small.Battery case outer bottom immersion liquid cooling power battery feasibility of the present invention is big, and application is wide, good economy performance.
Detailed description of the invention:
Fig. 1 is the three-dimensional assembly diagram of battery case outer bottom immersion liquid cooling power battery of the present invention.
Fig. 2 is battery case outer bottom immersion liquid cooling power battery stereogram exploded view described in Fig. 1.
Fig. 3 is the structure chart that supporting plate is sealed in Fig. 1.
Fig. 4 is the bottom surface structure figure of battery case outer bottom immersion liquid cooling power battery shown in Fig. 1.
Wherein:
1- liquid inlet joint；2- liquid outlet connector；3- seals supporting plate；4- bolt hole；5- single battery core；6- cutoff board；7- is shunted
Formula reinforcing rib；8- reinforcing rib runner；9- flow blocking plate runner；10- liquid is evenly distributed with runner；11- cutoff board seal groove；12- supporting plate is close
Sealing groove；13- supporting plate sealing bolt hole；14- liquid outlet；The liquid inlet 15-；16- cutoff board sealing bolt hole；17- battery case
Sealing bottom surface platform.
Specific embodiment:
The present invention will be further described below with reference to the drawings.
Battery case outer bottom immersion liquid cooling power battery of the present invention includes liquid inlet joint 1, liquid outlet connector 2, sealing supporting plate
3, bolt hole 4, single battery core 5, cutoff board 6, shunt reinforcing rib 7, reinforcing rib runner 8, flow blocking plate runner 9, liquid outlet 14,
Liquid inlet 15, cutoff board sealing bolt hole 16 and battery case sealing bottom surface platform 17.Wherein liquid inlet joint 1 and liquid outlet connector 2
Positioned at the top of sealing supporting plate 3, liquid inlet joint 1 for connect with liquid heat management medium entrance pipeline, liquid outlet connector 2 for
Liquid heat management media outlet piping connection.Supporting plate 3 is sealed in conjunction with power battery box bottom, forms the cavity of sealing, feed flow
Body heat manages media flow.Sealing supporting plate 3 is surrounded by bolt hole 4, can be fixed power battery bolt by bolt hole 4
On vehicle, sealing supporting plate 3 can also be sealed with battery case bottom surface.Cutoff board 6 is located at battery case bottom, makes battery case
Bottom surface fluid is divided into feed liquor and out liquid, so that entire battery case bottom surface can touch the heat management medium of flowing, improves
Heat exchange efficiency.Shunt reinforcing rib 7 is located at battery case bottom, and is vertically arranged with cutoff board 6, on the one hand provides battery case load-bearing
On the other hand required intensity can increase the disturbance during battery case outer bottom heat management media flow.Reinforcing rib runner 8
It is set on shunt reinforcing rib 7, on the other hand the flowing on the one hand making heat management medium be evenly distributed along battery case bottom surface may be used
To mitigate the weight of reinforcing rib.Flow blocking plate runner 9 is set on cutoff board 6, makes battery case outer bottom feed liquor and liquid connection rises out
Come.
Sealing supporting plate 3 is equipped with liquid and is evenly distributed with runner 10, cutoff board seal groove 11, supporting plate seal groove 12 and supporting plate sealing
Bolt hole 13, liquid, which is evenly distributed with runner 10, makes the flowing for concentrating the liquid passed in and out evenly dispersed along battery case bottom surface.Cutoff board sealing
It is placed with gasket seal, attachment screw and cutoff board 6 in slot 11, makes battery case outer bottom feed liquor and liquid is kept apart out.Supporting plate is close
Gasket seal is placed in sealing groove 12, cooperates Battery case fixing bolt and battery case sealing bottom surface platform 17, makes to seal supporting plate 3 and is moved
Seal chamber needed for heat management media flow is formed on power battery case bottom.
Cutoff board sealing bolt hole 16 and cutoff board 6, cutoff board seal groove 11, supporting plate sealing bolt hole 13 and gasket
Piece is used cooperatively.Battery case sealing bottom surface platform 17 is played with the cooperation of gasket seal, supporting plate seal groove 12, bolt hole 4 and bolt
Sealing function.
Battery case outer bottom immersion liquid cooling power battery of the present invention is made of bending profile butt welding process.Liquid inlet joint
1 and liquid outlet connector 2 by the way of welding with battery case bottom ining conjunction with, when welding, the axis requirement of inlet and liquid outlet is vertical
Straight battery case bottom surface.Liquid inlet joint 1 and liquid outlet connector 2 and push-in VOSS standard plug cooperate.
3 material selection stainless steel materials of supporting plate are sealed, seal groove thereon can mill out.Uniform fluid distribution runner 10, can be with
The aluminium material flow-disturbing boss processed is welded on sealing supporting plate 3 by the way of welding, in conjunction with fluid emulation and lightweight
It is required that the flow-disturbing form at the position can advanced optimize.
Battery case bottom reinforcement runner 8 and cutoff board 6 select high strength steel to play by being welded to battery case bottom
Support and the effect for strengthening Battery case.Gasket seal is placed in the seal groove of sealing supporting plate 3, then will be sealed using screw
Supporting plate 3 is fixed on battery case bottom.The mould group of square electric cell is fixed in battery case using currently used mode, battery core and
Thermal conductive silicon rubber mat or thermally conductive casting glue is selected to be conducted heat and be electrically insulated between battery case inside bottom surface, all battery core bottom surfaces
100% participates in heat exchange.
The battery case outer bottom immersion liquid cooling power battery assembled, is fixed on automobile chassis using high-strength bolt
Meanwhile providing pressing force required for supporting plate seal groove 12, gasket seal, 17 combination sealing of battery case sealing bottom surface platform.
Battery case outer bottom immersion liquid cooling power battery of the present invention may be implemented power battery band heat pipe and without heat pipe
The flexible configuration of reason.For relatively non-thermal dynamics of management battery, battery case outer bottom immersion liquid cooling power battery energy of the present invention
Metric density will not be substantially reduced.Battery case outer bottom immersion liquid cooling power battery safety of the present invention is higher.Opposite heat tube reason is situated between
Whether matter is conductive not to require, even if will not influence the safety of power battery in the case where heat management medium is revealed
Property.The battery case outer bottom immersion liquid cooling power battery thermal efficiency of the present invention is higher.Since the reinforcing rib of battery case bottom surface is placed in
Outside battery case, then all battery core bottom surfaces in battery case can be contacted with tank floor completely.By bolt clipping forcee and battery core
The thermal contact resistance of the influence of self gravity, battery core bottom surface and tank floor is small by driving aging effects.Battery case outer bottom of the present invention
Face immersion liquid cooling power battery feasibility is big, and application is wide, good economy performance.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
It for member, can also make several improvements without departing from the principle of the present invention, these improvement also should be regarded as of the invention
Protection scope.
Claims (3)
1. a kind of battery case outer bottom immersion liquid cooling power battery, it is characterised in that: including liquid inlet joint (1), liquid outlet connector
(2), supporting plate (3), bolt hole (4), single battery core (5), cutoff board (6), shunt reinforcing rib (7), reinforcing rib runner are sealed
(8), flow blocking plate runner (9), liquid outlet (14), liquid inlet (15), cutoff board sealing bolt hole (16) and battery case bottom
Face sealing station (17), the liquid inlet joint (1) and liquid outlet connector (2) be located at sealing supporting plate (3) top, liquid inlet joint (1) and
The connection of liquid heat management medium entrance pipeline, liquid outlet connector (2) and liquid heat management media outlet piping connection, the sealing support
Plate (3) forms the cavity of sealing in conjunction with power battery box bottom, and sealing supporting plate (3) is surrounded by bolt hole (4),
The cutoff board (6) is located at battery case bottom, and battery case bottom surface fluid is made to be divided into feed liquor and out liquid, the shunt reinforcing rib
(7) it is located at battery case bottom, and is vertically arranged with cutoff board (6), the reinforcing rib runner (8) is set to shunt reinforcing rib
(7) on, the flow blocking plate runner (9) is set on cutoff board (6).
2. battery case outer bottom immersion liquid cooling power battery as described in claim 1, it is characterised in that: the sealing supporting plate
(3) it is equipped with liquid and is evenly distributed with runner (10), cutoff board seal groove (11), supporting plate seal groove (12) and supporting plate sealing bolt hole
(13), it is placed with gasket seal, attachment screw and cutoff board (6) in the cutoff board seal groove (11), makes battery case outer bottom
Feed liquor and liquid is kept apart out places gasket seal in the supporting plate seal groove (12), cooperates Battery case fixing bolt and battery
Bottom face sealing station (17) makes seal chamber needed for sealing supporting plate (3) and power battery box bottom formation heat management media flow.
3. battery case outer bottom immersion liquid cooling power battery as claimed in claim 2, it is characterised in that: the reinforcing rib stream
Road (8) and cutoff board (6) select high strength steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811424082.7A CN109509851B (en) | 2018-11-27 | 2018-11-27 | Immersed liquid-cooled power battery on outer bottom surface of battery box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811424082.7A CN109509851B (en) | 2018-11-27 | 2018-11-27 | Immersed liquid-cooled power battery on outer bottom surface of battery box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109509851A true CN109509851A (en) | 2019-03-22 |
| CN109509851B CN109509851B (en) | 2021-09-21 |
Family
ID=65750733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811424082.7A Active CN109509851B (en) | 2018-11-27 | 2018-11-27 | Immersed liquid-cooled power battery on outer bottom surface of battery box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109509851B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111725443A (en) * | 2020-07-01 | 2020-09-29 | 广东工业大学 | Preparation method of silica gel composite material and battery thermal management system |
| CN115016623A (en) * | 2022-08-10 | 2022-09-06 | 兰洋(宁波)科技有限公司 | Liquid cooling box |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014035969A (en) * | 2012-08-10 | 2014-02-24 | Honda Motor Co Ltd | Power storage device |
| CN206259404U (en) * | 2016-11-28 | 2017-06-16 | 北京新能源汽车股份有限公司 | Battery bag lower house and the battery bag with it |
| CN208078065U (en) * | 2018-04-17 | 2018-11-09 | 浙江吉利汽车研究院有限公司 | Integral type liquid cooling battery case and new-energy automobile |
-
2018
- 2018-11-27 CN CN201811424082.7A patent/CN109509851B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014035969A (en) * | 2012-08-10 | 2014-02-24 | Honda Motor Co Ltd | Power storage device |
| CN206259404U (en) * | 2016-11-28 | 2017-06-16 | 北京新能源汽车股份有限公司 | Battery bag lower house and the battery bag with it |
| CN208078065U (en) * | 2018-04-17 | 2018-11-09 | 浙江吉利汽车研究院有限公司 | Integral type liquid cooling battery case and new-energy automobile |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111725443A (en) * | 2020-07-01 | 2020-09-29 | 广东工业大学 | Preparation method of silica gel composite material and battery thermal management system |
| CN115016623A (en) * | 2022-08-10 | 2022-09-06 | 兰洋(宁波)科技有限公司 | Liquid cooling box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109509851B (en) | 2021-09-21 |
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