CN205543154U - Liquid cooling group battery - Google Patents
Liquid cooling group battery Download PDFInfo
- Publication number
- CN205543154U CN205543154U CN201620292002.7U CN201620292002U CN205543154U CN 205543154 U CN205543154 U CN 205543154U CN 201620292002 U CN201620292002 U CN 201620292002U CN 205543154 U CN205543154 U CN 205543154U
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- battery module
- battery
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- cells
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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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Abstract
The utility model provides an utilize liquid to carry out radiating group battery, including two at least battery module, insulating fire -retardant liquid, hold the battery box of battery module and insulating fire -retardant liquid, battery module's anodal utmost point ear and negative pole utmost point ear are in same one side of battery module, battery module's utmost point ear submergence is in insulating fire -retardant liquid, two at least battery module's utmost point ear sets up relatively, sets up cooling device between relative two battery module's that set up of utmost point ear the utmost point ear, cooling device part at least ingresses the fire -retardant liquid of insulation. The technical scheme of the utility model can avoid the temperature to gather inside battery module for temperature evenly distributed in the battery box, and cooling device of several battery module sharing can satisfy the heat dissipation demand, has obviously improved the energy density of battery system.
Description
Technical field
This utility model relates to a kind of utilizing liquid to carry out the set of cells dispelled the heat.
Background technology
Owing to lithium-ion-power cell possesses higher voltage, energy density and good cycle performance, got more and more
The energy-storage system being applied to electric automobile, thus provide driving force, therefore the workability of lithium-ion-power cell for car load
Can greatly affect vehicle performance.
The work efficiency of lithium-ion-power cell is influenced by temperature bigger, it is necessary within the scope of suitable temperature, its property
Just can be in optimum state.Lithium ion battery can produce certain heat in charge and discharge process, and battery is in discharge and recharge
During own temperature can change, mainly show as temperature rise, especially in big electric current, the feelings of high-power operation
Under condition, the rising of temperature can become apparent from.If battery works long hours in the environment of exceeding optimum temperature range, its circulation
Performance will be affected, and the further rising of temperature also can cause the security incident of battery.Therefore, at design lithium ion
The especially needed problem considering heat radiation during battery module.
Electric automobile field mainly uses the air-cooled and cold two kinds of radiating modes of liquid at present.Air cooling way is directly to allow air wear
Crossing set of cells to reach the purpose of heat radiation, the advantage of this radiating mode is that design is simple, safeguard easily, cost is relatively low,
But it is low that shortcoming is radiating efficiency.The cold mode of liquid is the purpose using liquid and set of cells to carry out heat exchange realization heat radiation, one
As need between the cell of set of cells arrange heat transfer pipeline or around cell arrange chuck, heat-conducting medium is permissible
Using water, ethylene glycol etc., its advantage is that radiating efficiency is high, but reduces electricity owing to adding substantial amounts of heat exchange pipeline
The energy density of pond group, and Design and Machining assembling complexity, maintenance cost is the highest.
Application number 2010105871710, the patent of entitled Integral pressed stacked battery module, it includes battery list
The parts such as body, coldplate, lug briquetting, are alternately superimposed on battery cell and coldplate when assembling, make adjacent
The corresponding lug of battery cell is superimposed together, and with end plate and nut check.Have employed polylith coldplate and battery list
After body is alternately superimposed on, reduce the energy density of set of cells.
Application number 2012102654063, the liquid-cooling system of entitled set of cells, it includes coldplate and coolant
Case, coldplate is pressed close to battery, conducts the heat that battery produces, utilizes the cooling media in tank for coolant and coldplate
Carry out heat exchange, thus set of cells is cooled down.Inside is set by this patent with the coldplate of liquid circulation line
Put the bottom at battery module, and coldplate constitutes fluid circulation system with tank for coolant, reduces battery
The energy density of group.
Utility model content
The purpose of this utility model is to provide and a kind of utilizes liquid to carry out the set of cells dispelled the heat, including at least two battery mould
Block, flame-resistant insulation liquid, accommodate battery module and the battery case of flame-resistant insulation liquid, battery module include several mutually
Stacking arrange battery unit so that the positive pole ear of battery module and negative lug in the same side of battery module, institute
The lug stating battery module is immersed in flame-resistant insulation liquid, and the lug of at least two battery module is oppositely arranged, and
Arranging chiller between the lug of said two battery module, described chiller is at least partially immersed flame-resistant insulation
Liquid.
Accommodating at least two battery module and flame-resistant insulation liquid in battery case, all battery modules are all at least partially immersed in
In flame-resistant insulation liquid.Battery module includes the battery unit that several mutual stacking is arranged, the battery list in battery module
Unit is electrically connected by the connected mode of series, parallel or series-parallel connection.Several battery units are stacked and define battery
Module, and the positive pole ear of single battery module and negative lug be arranged on the same side of battery module.
The lug of battery module is immersed in flame-resistant insulation liquid, not battery module entirety is immersed in flame-resistant insulation liquid
In body, the consumption of saving flame-resistant insulation liquid, and alleviate the weight of whole battery case, improve energy density.Just
Pole lug, negative lug are arranged on the battery module of same side operationally, and the heat of generation easily concentrates on positive pole pole
On battery module surface between ear, negative lug and positive pole ear, negative pole pole, the lug for battery module is carried out
Heat dissipation design, utilizes the heat that flame-resistant insulation liquid conductive battery module emphasis heat production position produces.Final by being immersed in
Outside heat is derived battery case by the chiller in flame-resistant insulation liquid.
In battery case, the lug of at least two battery module is oppositely arranged, the pole of two battery modules that lug is oppositely arranged
Chiller is set between ear so that a chiller can be two battery module heat radiations simultaneously, greatly saves
The inner space of battery case, improves energy density；And the lug of this chiller and two battery modules is the most straight
Contact, improves the insulating properties of set of cells；Chiller is for the bigger region of battery module caloric value, heat radiation
Effect is more preferable.Chiller is at least partially immersed flame-resistant insulation liquid.
As preferably, two battery modules that described lug is oppositely arranged include battery module A and battery module B, institute
State the lug top setting towards battery case of battery module A, and battery module B is arranged on the upper of battery module A
Portion, the lug of described battery module B is arranged towards the bottom of battery case so that described battery module B and battery module
The lug of A is towards on the contrary.
The lug of battery module A is arranged towards the top of battery case so that battery module A forward in battery case is placed；
The lug of battery module B is arranged towards the bottom of battery case so that battery module B swings to placement in battery case；And
And battery module B is arranged on the top of battery module A, finally make lug and the battery module A of battery module B
Lug be oppositely arranged, between lug and the lug of battery module B of battery module A formed radiating area.
As preferred another embodiment, the lug of described battery module A is arranged towards the sidewall of battery case, institute
State the lug sidewall setting towards battery case of battery module B so that the pole of described battery module B and battery module A
Ear is towards on the contrary.
Battery module A, the lug of battery module B are arranged, relative to conventional battery module towards the sidewall of battery case
For disposing way, battery module A, battery module B are edge-on in battery case, but battery module B and battery mould
The lug of block A, towards on the contrary, finally makes the lug of battery module B be oppositely arranged with the lug of battery module A, electricity
Radiating area is formed between lug and the lug of battery module B of pond modules A.
Battery module A, battery module B end parallel with the sidewall of battery case, the layout of chiller is convenient,
At utmost save the space in battery case, improve the energy density of set of cells further.
As preferably, heat exchange medium is set in described chiller.
The heat conduction that battery module produces fills to flame-resistant insulation liquid, the cooling being immersed in equally in flame-resistant insulation liquid
Put absorption heat, and outside utilizing the heat exchange medium arranged in chiller to take heat out of battery case.Under duty
Described heat exchange medium can circulate in chiller, is more beneficial for improving radiating efficiency.
As preferably, described chiller is selected from least one in plate type heat exchanger and pipe heat exchanger.
At least one in plate type heat exchanger and pipe heat exchanger of chiller, adjacent (lug is oppositely arranged)
Region between two battery modules is that strip region, plate type heat exchanger and pipe heat exchanger more can save space, carries
High energy density, and the lug position of two battery modules is carried out specific aim heat radiation simultaneously, radiating effect is more preferable.
After have employed the technical scheme that this utility model provides, configurable multiple battery modules in battery case, and by it
It is immersed in flame-resistant insulation liquid, it is to avoid temperature accumulates in inside battery module so that the homogeneous temperature in battery case divides
Cloth；And several battery modules share a chiller can meet radiating requirements, hence it is evident that improve battery system
Energy density.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the cold set of cells of a kind of liquid disclosed in this utility model；
Fig. 2 is the schematic diagram of the another kind of cold set of cells of liquid disclosed in this utility model；
Fig. 3 is the schematic diagram of the another kind of cold set of cells of liquid disclosed in this utility model；
Fig. 4 is the schematic diagram of the another kind of cold set of cells of liquid disclosed in this utility model；
Fig. 5 is the schematic diagram of the another kind of cold set of cells of liquid disclosed in this utility model；
Fig. 6 is the schematic diagram of the another kind of cold set of cells of liquid disclosed in this utility model；
Fig. 7 is the schematic diagram of the another kind of cold set of cells of liquid disclosed in this utility model；
Wherein, 1. battery case, 2. battery module A, 3. battery module B, 4. flame-resistant insulation liquid, 5. chiller.
Detailed description of the invention
This utility model is described in detail by following specific embodiment, but this utility model is not restricted to
Following example.
Embodiment 1
As it is shown in figure 1, the utility model discloses a kind of cold set of cells of liquid, including two battery module (battery modules
A2 and battery module B3), flame-resistant insulation liquid 4, accommodate battery module and the battery case 1 of flame-resistant insulation liquid 4,
Battery module includes the battery unit that several mutual stacking is arranged so that positive pole ear and the negative lug of battery module exist
The same side, the lug of battery module is immersed in flame-resistant insulation liquid 4.
The lug of battery module A2 is arranged towards the top of battery case 1, and the lug of battery module B3 is towards battery case
The bottom of 1 is arranged so that battery module B3 is upside down in battery case 1；And battery module B3 is arranged on
The top of battery module A2, finally makes the lug of battery module B3 be oppositely arranged with the lug of battery module A2.
Between lug and the lug of battery module B3 of battery module A2, chiller 5 is set, and chiller 5 immerses
In flame-resistant insulation liquid 4, chiller 5 is the internal plate type heat exchanger arranging heat exchange medium.
Embodiment 2
As in figure 2 it is shown, the cold set of cells of liquid in the present embodiment includes three battery modules (two as different from Example 1
An individual battery module A2 and battery module B3), the lug of two battery module A2 sets towards the top of battery case 1
Putting, the lug of battery module B3 is arranged towards the bottom of battery case 1 so that battery module B3 is in battery case 1
Upside down；And battery module B3 is arranged on the top of two battery module A2, finally makes battery module
The lug of B3 is oppositely arranged with the lug of battery module A2.A two battery module A2 and battery module B3 share
One chiller 5.
Embodiment 3
As it is shown on figure 3, the cold set of cells of liquid in the present embodiment includes four battery modules (two as different from Example 1
Individual battery module A2 and two battery module B3), the lug of two battery module A2 sets towards the top of battery case 1
Putting, the lug of two battery module B3 is arranged towards the bottom of battery case 1 so that battery module B3 is at battery case 1
Middle upside down；And two battery module B3 are arranged on the top of two battery module A2, battery module B3
With battery module A2 one_to_one corresponding, finally make that the lug of battery module B3 is relative with the lug of battery module A2 to be set
Put.Two battery module A2 and two battery module B3 share a chiller 5.
Embodiment 4
As shown in Figure 4, the cold set of cells of liquid in the present embodiment includes four battery modules (two as different from Example 3
Individual battery module A2 and two battery module B3) in, respectively arrange between two couples of battery module A2 and battery module B3
One chiller 5, uses two chillers 5 altogether.
Embodiment 5
As it is shown in figure 5, the utility model discloses a kind of cold set of cells of liquid, including two battery module (battery modules
A2 and battery module B3), flame-resistant insulation liquid 4, accommodate battery module and the battery case 1 of flame-resistant insulation liquid 4,
Battery module includes the battery unit that several mutual stacking is arranged so that positive pole ear and the negative lug of battery module exist
The same side, the lug of battery module is immersed in flame-resistant insulation liquid 4.
Battery module A2, the lug of battery module B3 are arranged, relative to conventional lug towards the sidewall of battery case 1
For battery module disposing way upward, battery module A2, battery module B3 " lie " and are placed in battery case 1,
But battery module B3 towards contrary, finally makes lug and the electricity of battery module B3 with the lug of battery module A2
The lug of pond modules A 2 is oppositely arranged.Between lug and the lug of battery module B3 of battery module A2, cooling is set
Device 5, and chiller 5 immerses in flame-resistant insulation liquid 4, and chiller 5 arranges heat exchange medium for inside
Plate type heat exchanger.
Embodiment 6
As shown in Figure 6, the cold set of cells of liquid in the present embodiment includes three battery modules (two as different from Example 5
An individual battery module A2 and battery module B3).Battery module A2, battery module B3 lug towards battery case 1
Sidewall arrange, but battery module B3 with the lug of battery module A2 towards contrary, finally make battery module
The lug of B3 is oppositely arranged with the lug of battery module A2.A two battery module A2 and battery module B3 share
One chiller 5.
Embodiment 7
As it is shown in fig. 7, the cold set of cells of liquid in the present embodiment includes four battery modules (two as different from Example 5
An individual battery module A2 and battery module B3).Battery module A2, battery module B3 lug towards battery case 1
Sidewall arrange, but battery module B3 with the lug of battery module A2 towards contrary, battery module B3 and battery
Modules A 2 one_to_one corresponding, finally makes the lug of battery module B3 be oppositely arranged with the lug of battery module A2.Two
Individual battery module A2 and two battery module B3 shares a chiller 5.
Claims (5)
1. the cold set of cells of liquid, including at least two battery module, flame-resistant insulation liquid, accommodate battery module and
The battery case of flame-resistant insulation liquid, described battery module includes the battery unit that several mutual stacking is arranged so that battery
The positive pole ear of module and negative lug are in the same side of battery module, it is characterised in that: the lug of described battery module
Being immersed in flame-resistant insulation liquid, the lug of at least two battery module is oppositely arranged, and at said two battery mould
Arranging chiller between the lug of block, described chiller is at least partially immersed flame-resistant insulation liquid.
The cold set of cells of liquid the most according to claim 1, it is characterised in that: be oppositely arranged two of described lug
Battery module includes that battery module A and battery module B, the lug of described battery module A set towards the top of battery case
Putting, and battery module B is arranged on the top of battery module A, the lug of described battery module B is towards battery case
Bottom arrange so that described battery module B with the lug of battery module A towards contrary.
The cold set of cells of liquid the most according to claim 1, it is characterised in that: be oppositely arranged two of described lug
Battery module includes that battery module A and battery module B, the lug of described battery module A set towards the sidewall of battery case
Putting, the lug of described battery module B is arranged towards the sidewall of battery case so that described battery module B and battery module
The lug of A is towards on the contrary.
The cold set of cells of liquid the most according to claim 1, it is characterised in that: heat exchange matchmaker is set in described chiller
It is situated between.
The cold set of cells of liquid the most according to claim 1, it is characterised in that: described chiller is selected from plate-type heat-exchange
At least one in device and pipe heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620292002.7U CN205543154U (en) | 2016-04-11 | 2016-04-11 | Liquid cooling group battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620292002.7U CN205543154U (en) | 2016-04-11 | 2016-04-11 | Liquid cooling group battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205543154U true CN205543154U (en) | 2016-08-31 |
Family
ID=56790031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620292002.7U Active CN205543154U (en) | 2016-04-11 | 2016-04-11 | Liquid cooling group battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205543154U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108933296A (en) * | 2017-05-25 | 2018-12-04 | 宁德时代新能源科技股份有限公司 | Lithium ion battery pack |
-
2016
- 2016-04-11 CN CN201620292002.7U patent/CN205543154U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108933296A (en) * | 2017-05-25 | 2018-12-04 | 宁德时代新能源科技股份有限公司 | Lithium ion battery pack |
| CN108933296B (en) * | 2017-05-25 | 2020-11-24 | 宁德时代新能源科技股份有限公司 | Lithium ion battery pack |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |