CN104752790A - Battery module - Google Patents
Battery module Download PDFInfo
- Publication number
- CN104752790A CN104752790A CN201310748035.9A CN201310748035A CN104752790A CN 104752790 A CN104752790 A CN 104752790A CN 201310748035 A CN201310748035 A CN 201310748035A CN 104752790 A CN104752790 A CN 104752790A
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- China
- Prior art keywords
- heat
- end wall
- battery
- spatial accommodation
- hole
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- 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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- 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
Abstract
The invention provides a battery module comprising a base, a battery pack unit arranged on the base and a radiating unit used for radiating the battery pack, wherein the radiating unit comprises a cooling seat, and a holding space used for holding cooling liquid is formed in the cooling seat; a first through hole and a second through hole communicated with the holding space are formed in the cooling seat, the first through hole is used for injecting the cooling liquid into the holding space, and the second through hole is used for outputting the cooling liquid in the holding space so that the cooling liquid to circularly flow in the cooling seat. The cooling liquid capable of circulating internally is used for cooling the battery pack unit of the battery module, so that the radiating efficiency is relatively high.
Description
Technical field
The present invention relates to a kind of battery modules, particularly relate to a kind of battery modules combined by multiple battery unit.
Background technology
Battery modules, is especially interconnected the battery modules combined by multiple battery pack, in use can produce amount of heat, if described heat can not effectively leave, will affect life-span of battery modules, stability in use and fail safe.Therefore, generally have the radiator structure for dispelling the heat in battery modules, the radiating effect of existing radiator structure is unsatisfactory.
Summary of the invention
In view of this, be necessary to provide a kind of can the battery modules of efficiently radiates heat.
A kind of battery modules, comprise a base, one be arranged at battery assembly module on described base and a heat-sink unit for dispelling the heat for described battery pack.Described heat-sink unit comprises a refrigerating seat, and described refrigerating seat inside forms one for holding the spatial accommodation of cooling fluid.Described refrigerating seat offers first through hole and second through hole that are communicated with described spatial accommodation, described first through hole is used for injecting cooling fluid to described spatial accommodation, described second through hole for exporting the cooling fluid in described spatial accommodation, to make cooling fluid circulating in described refrigerating seat.
Relative to prior art, described battery modules adopts to be had and can the cooling fluid of inner loop cooling fluid dispel the heat to described battery assembly module, has comparatively high cooling efficiency.
Accompanying drawing explanation
Fig. 1 is the exploded view of the battery modules of embodiment of the present invention.
Fig. 2 is the assembling schematic diagram of the battery modules of Fig. 1.
Fig. 3 is the stereogram after the battery modules of Fig. 1 has been assembled.
Main element symbol description
Following embodiment will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Embodiment
Refer to Fig. 1-3, the battery modules 100 that embodiment of the present invention provides comprises a base 10, battery assembly module 20 and a heat-sink unit 30.
Described base 10 is for fixing, carrying described battery assembly module 20 and described heat-sink unit 30.Described base 10 comprises one for fixing, carrying the first supporting region 11 of described battery assembly module 20 and one for fixing, carrying the second supporting region 12 of described heat-sink unit 30.Described second supporting region 12 is positioned in the middle part of described first supporting region 11, and in present embodiment, described second supporting region 12 is strip and protrudes relative to described first supporting region 11.
Described battery assembly module 20 comprises multiple battery to structure 21, and battery described in each comprises the battery unit 23 of two spacing side by side settings to structure 21.Described multiple battery is stacked successively and form described battery assembly module 20 to structure 21.In present embodiment, described battery is three to the quantity of structure 21, and certainly, according to different demands, described battery can make suitable increase and decrease to structure 21 quantity, is not limited to present embodiment.Battery unit 23 described in each comprises first end face 231, second end face 232, opposing with described first end face 231 and is arranged at the second cover plate 234 that the first cover plate 233 of described first end face 231 side and are arranged at described second end face 232 side.Same battery to the first end face 231 of two of structure 21 battery units 23 towards the same side to structure 21 of described battery, be appreciated that same battery to the second end face 232 of two of structure 21 battery units 23 also towards the same side to structure 21 of described battery.Preferably, described first end face 231 and described second end face 232 adopt Heat Conduction Material to make, effectively to derive the heat that described battery unit 23 inside produces.Described first cover plate 233 and described second cover plate 234 are respectively used to cover described first end face 231 and described second end face 232.
Described heat-sink unit 30 is for dispelling the heat to described battery assembly module 20.Described heat-sink unit 30 comprises multiple heat-conducting part 31, refrigerating seat 32 and multiple connecting portion 33.The heat that described heat-conducting part 31 produces for deriving described battery unit 23, in present embodiment, battery described in each is to corresponding two the described heat-conducting parts 31 of structure 21, and described two heat-conducting parts 31 are arranged at first end face 231 and second end face 232 side of corresponding battery to the battery unit 23 of structure 21 respectively.Heat-conducting part 31 described in each comprises multiple strip heat-conducting piece 311, and described heat-conducting piece 311 is collected state in the middle part of corresponding heat-conducting part 31, is divergent state in the two ends of corresponding heat-conducting part 31.Described heat-conducting piece 311 is made up, as copper, aluminium etc. of the material of high thermal conductivity.In present embodiment, described heat-conducting piece 311, for having the heat pipe of internal heat exchange function, dispels the heat to described battery unit 23 with more effective.Should be appreciated that the quantity of the heat-conducting piece 311 that heat-conducting part 31 described in each comprises can have suitable change according to different demands, be not limited to present embodiment.
Described refrigerating seat 32 is for deriving and the heat that the described heat-conducting part 31 that leaves converges.Described refrigerating seat 32 comprises bottom 321 and a upper cover 322 of a channel-shaped.Described bottom 321 comprises a first end wall 321a, second end wall 321b and two the sidewall 321c that with described first end wall 321a and described second end wall 321b is connected relative with described first end wall 321a, in present embodiment, described first end wall 321a is roughly parallel with described second end wall 321b, and described sidewall 321c is approximately perpendicular to described first end wall 321a and described second end wall 321b.Described first end wall 321a, described second end wall 321b and described sidewall 321c encircle a city a spatial accommodation 323 jointly, and described spatial accommodation 323 is for holding cooling fluid (not shown).Described first end wall 321a offers first through hole 324 and second through hole 325, described first through hole 324 and described second through hole 325 are communicated with the space outside described spatial accommodation 323 and described refrigerating seat 32.Described first through hole 324 place is connected with first pipe fitting joint 326, and described second through hole 325 place is connected with second pipe fitting joint 327.Described first pipe fitting joint 326 and described second pipe fitting joint 327 are respectively used to connect feed tube (not shown) and feed tube (not shown), to realize the persistent loop flowing of cooling fluid in described spatial accommodation 323.Described bottom 321 also comprises a dividing plate 321d be arranged in described spatial accommodation 323, described dividing plate 321d to be connected on described first end wall 321a and to extend certain distance to described second end wall 321b, described dividing plate 321d towards between the end and described second end wall 321b of described second end wall 321b spaced a predetermined distance.Described dividing plate 321d is connected to the position between described first through hole 324 on described first end wall 321a and described second through hole 325.The arranging to increase of described dividing plate 321d makes the flow distance of cooling fluid in described spatial accommodation, the heat being passed to described refrigerating seat 32 can be taken away by cooling fluid more fully, improve the utilance of cooling fluid, ensure that radiating effect and the radiating efficiency of described refrigerating seat 32.
Described upper cover 322 closes described spatial accommodation 323 for coordinating with described bottom 321.Described upper cover 322 comprises a flat lid 322a many fin 322b be connected with described lid 322a.Described fin 322b be arranged at described lid 322a towards described spatial accommodation 323 side on the surface.Described fin 322b is arranged parallel to each other roughly parallel with described sidewall 321c, when described upper cover 322 is covered on described bottom 321, described fin 322b stretches in the cooling fluid in described spatial accommodation 323, and the part in described fin 322b is positioned at described dividing plate 321d side, another part is positioned at the opposing opposite side of described dividing plate 321d.Described lid 322a and described fin 322b all adopts the material of high thermal conductivity to make, and in present embodiment, the material of described lid 322a and described fin 322b is identical and one-body molded.The cooling fluid of flowing in spatial accommodation 323 can be divided into multiple cooling fluid a fluid stream by arranging of described fin 322b, cooling fluid is made can more uniformly to take away the heat conducting to described refrigerating seat 32, improve the utilance of cooling fluid further, ensure that radiating effect and the radiating efficiency of described refrigerating seat 32.
Described connecting portion 33 for connecting described heat-conducting part 31 and described refrigerating seat 32, with by the heat conduction of described heat-conducting part 31 to described refrigerating seat 32.The quantity of described connecting portion 33 corresponds to described battery to the quantity of structure 21.Connecting portion 33 described in each comprises a heat conduction contiguous block 331 and two braces 332.Described contiguous block 331 comprises an a first link 331a and second link 331b opposing with described first link 331a.In present embodiment, described first link 331a and described second has a depressed part 331c in the middle of link 331b, and described contiguous block 331 is roughly taken the shape of the letter U, certainly, described contiguous block 331 can be also other shapes, be not limited to U-shaped.On the end face of described first link 331a, relative Liang Ge edge forms a first lug boss 331d respectively, on the end face of described second link 331b, relative Liang Ge edge forms a second lug boss 331e respectively, and described first lug boss 331d and described second lug boss 331e is parallel to each other and is parallel to the orientation of described battery to two battery units 23 in structure 21.Described two braces 332 are respectively used to connect described first link 331a and described second link 331b.Described brace 332 can adopt the connector such as screw, bolt (not shown) to be connected to described first link 331a and described second link 331b.
Described battery modules 100 also comprises multiple liquid adsorption layer 40 be arranged between described base 10 and described battery assembly module 20, described liquid adsorption layer 40 can adsorb the electrolyte that in described battery assembly module 20, battery unit 23 may be revealed, and prevents electrolyte from leaking to battery modules 100 outside and pollutes.Described liquid adsorption layer 40 adopts macromolecule imbibition material, such as sponge or foam.In present embodiment, described in each, liquid adsorption layer 40 is in strip, and length direction is parallel with the stacked direction of described battery to structure 21.Be appreciated that quantity and the shape of described liquid adsorption layer 40 can do other suitable changes.As correspondence, described first supporting region 11 of described base 10 forms multiple groove 111 for accommodating described liquid adsorption layer 40.
During assembling, described liquid adsorption layer 40 is contained in respectively in the groove 111 of described base 10, the colloid (not shown) that can adopt described liquid adsorption layer 40 is fixed in described groove 111, also can omit described colloid and directly be arranged in described groove 111, be fixedly installed on described second supporting region 12 bottom 321 of described refrigerating seat 32, described upper cover 322 is covered on described bottom 321, makes described fin 322b stretch in described spatial accommodation 323, the contiguous block 331 of a described connecting portion 33 is fixedly installed on described upper cover 322, the described battery of described connecting portion 33 correspondence is arranged on described first supporting region 11 structure 21, and described battery lays respectively at corresponding described contiguous block 331 both sides to the battery unit of two in structure 21 23, described battery is arranged at respectively the first end face 231 and the second end face 232 of described battery unit 23 to two of structure 21 correspondence described heat-conducting parts 31, the interval that described heat-conducting part 31 is crossed between described two battery units 23 connects described battery unit 23, described heat-conducting part 31 crosses over the part in the middle of described two battery units 23 respectively through the first link 331a end face of the connecting portion 33 of correspondence and the second link 331b end face, corresponding heat-conducting part 31 is located in wherein through the part of described first link 331a end face by described first lug boss 331d, corresponding heat-conducting part 31 is located in wherein through the part of described second link 331b end face by described second lug boss 331e, first cover plate 233 of described battery unit 23 and the second cover plate 234 are fixedly connected on described first end face 231 and described second end face 232 respectively, described first cover plate 233 and described second cover plate 234 respectively by the end winding support of corresponding heat-conducting part 31 on described first end face 231 and described second end face 232, the described brace 332 of described connecting portion 33 correspondence is fixedly connected on respectively the first link 331a and the second link 331b of described connecting portion 33.Other battery can adopt similar mode to assemble to structure 21 and corresponding connection parts 33, and the multiple batteries after having assembled form described battery assembly module 20 to structure 21 is mutually stacked.
When described battery modules 100 works, (figure does not show, to pass into cooling fluid and make cooling fluid flow in described spatial accommodation 323 in described spatial accommodation 323 described first pipe fitting joint 326 and described second pipe fitting joint 327 to be connected respectively feed tube (not shown) and feed tube.The heat that battery unit 23 in described battery assembly module 20 produces exports to corresponding described connecting portion 33 by corresponding described heat-conducting part 31, described connecting portion 33 is by described heat conduction extremely described refrigerating seat 32, last described cooling fluid will conduct to described refrigerating seat 32 and take away, to reach the object of dispelling the heat to described battery assembly module 20.
Described battery modules adopts described heat-sink unit to dispel the heat to battery assembly module, the battery of battery assembly module is arranged respectively the both sides of refrigerating seat to two of structure battery units, adopt heat-conducting part and connecting portion are converged the heat of two battery units in structure and conduct to refrigerating seat by battery simultaneously, simplify the heat dissipation path of battery modules, make the structure of heat-sink unit and assemble more simple, ensure that the efficiency of heat radiation simultaneously.
Be understandable that, those skilled in the art also can do other change etc. and be used in design of the present invention, as long as it does not depart from technique effect of the present invention in spirit of the present invention.These changes done according to the present invention's spirit, all should be included within the present invention's scope required for protection.
Claims (9)
1. a battery modules, comprise a base, one is arranged at battery assembly module on described base and one for the heat-sink unit for described battery pack heat radiation, it is characterized in that: described heat-sink unit comprises a refrigerating seat, described refrigerating seat inside forms one for holding the spatial accommodation of cooling fluid, described refrigerating seat offers first through hole and second through hole that are communicated with described spatial accommodation, described first through hole is used for injecting cooling fluid to described spatial accommodation, described second through hole is for exporting the cooling fluid in described spatial accommodation, to make cooling fluid circulating in described refrigerating seat.
2. battery modules as claimed in claim 1, is characterized in that: described refrigerating seat comprises a bottom and a upper cover, and described spatial accommodation is formed in described bottom, and described upper cover is covered on base and also closes described spatial accommodation.
3. battery modules as claimed in claim 2, it is characterized in that: described bottom comprises first end wall, second end wall relative with described first end wall and two sidewalls be connected with described first end wall and described second end wall, and described first end wall, described second end wall and described sidewall surround described spatial accommodation jointly.
4. battery modules as claimed in claim 3, it is characterized in that: described bottom comprises a dividing plate be arranged in described spatial accommodation, described dividing plate to be connected on described first end wall and to extend certain distance to described second end wall, described dividing plate towards between the end and described second end wall of described second end wall spaced a predetermined distance.
5. battery modules as claimed in claim 4, is characterized in that: described first through hole and described second through hole are opened on described first end wall, and described dividing plate is connected to the position between described first through hole on described first end wall and described second through hole.
6. battery modules as claimed in claim 5, it is characterized in that: described upper cover comprises the fin that the multiple and described lid of flat lid is connected, described fin be arranged at described lid towards described spatial accommodation side on the surface and stretch into described spatial accommodation.
7. battery modules as claimed in claim 6, is characterized in that: described fin is arranged parallel to each other and parallel with described dividing plate.
8. battery modules as claimed in claim 6, it is characterized in that: the part in described fin is positioned at described dividing plate side, another part is positioned at the opposing opposite side of described dividing plate.
9. battery modules as claimed in claim 1, it is characterized in that: described heat-sink unit comprises the heat-conducting piece be connected with described battery assembly module and the heat-conductive connection part being connected described heat-conducting piece and described refrigerating seat, described heat-conducting piece for deriving the heat produced of described battery assembly module, described connecting portion for by the heat conduction on described heat-conducting piece to described refrigerating seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310748035.9A CN104752790A (en) | 2013-12-31 | 2013-12-31 | Battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310748035.9A CN104752790A (en) | 2013-12-31 | 2013-12-31 | Battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104752790A true CN104752790A (en) | 2015-07-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310748035.9A Pending CN104752790A (en) | 2013-12-31 | 2013-12-31 | Battery module |
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| CN (1) | CN104752790A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111384464A (en) * | 2018-12-29 | 2020-07-07 | 宁德时代新能源科技股份有限公司 | Battery module and battery pack |
-
2013
- 2013-12-31 CN CN201310748035.9A patent/CN104752790A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111384464A (en) * | 2018-12-29 | 2020-07-07 | 宁德时代新能源科技股份有限公司 | Battery module and battery pack |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150701 |