CN104752787A - Battery module - Google Patents
Battery module Download PDFInfo
- Publication number
- CN104752787A CN104752787A CN201310747955.9A CN201310747955A CN104752787A CN 104752787 A CN104752787 A CN 104752787A CN 201310747955 A CN201310747955 A CN 201310747955A CN 104752787 A CN104752787 A CN 104752787A
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- Prior art keywords
- battery
- heat
- conducting part
- face
- conducting
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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 invention provides a battery module comprising a base, a battery pack unit arranged on the base and a radiating unit arranged on the base and connected with the battery pack unit. The battery pack comprises at least one battery pair structure, and the battery pair structure comprises two battery units which are arranged side by side at intervals. The radiating unit comprises a cooling seat, two heat conduction parts corresponding to the battery pair structure and at least one heat conduction connecting part corresponding to the battery pair structure. The heat conduction parts are respectively connected to two opposite sides of the battery pair structure by spanning the interval of the battery units in the battery pair structure. The connecting part is arranged between the battery units, both ends of the connecting part are respectively connected to the parts spanning the interval of the battery units of the heat conduction parts, and meanwhile the connecting part is arranged on the cooling seat for conducting heat collected by the heat conduction parts onto the cooling seat. The battery module has a simplified radiating path, and is easy to assemble.
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, described radiator structure causes complex structure, the assembling difficulty of battery modules.
Summary of the invention
In view of this, be necessary to provide the battery modules that a kind of structure is simple, be easy to assembling.
A kind of battery modules, comprise a base, one be arranged at battery assembly module on described base and one be arranged at the heat-sink unit be connected on described base and with described battery assembly module.Described battery pack comprises at least one battery to structure, and described battery comprises two to structure and is arranged side by side and spaced battery unit.Described heat-sink unit comprise a refrigerating seat, two correspond to described battery to the heat-conducting part of structure and at least one correspond to described battery to the heat-conductive connection part of structure.Described heat-conducting part is crossed over the interval of described battery to the battery unit in structure respectively and is connected to the opposing both sides of described battery to structure.Described connecting portion is arranged between described battery unit and two ends and is connected to the part that described heat-conducting part crosses over the interval of described battery unit, described connecting portion is arranged on described refrigerating seat simultaneously, for the heat conduction extremely described refrigerating seat converged by described heat-conducting part.
Relative to prior art, 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.
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
| Battery modules | 100 |
| Base | 10 |
| First supporting region | 11 |
| Second supporting region | 12 |
| Groove | 111 |
| Battery assembly module | 20 |
| Battery is to structure | 21 |
| Battery unit | 23 |
| First end face | 231 |
| Second end face | 232 |
| First cover plate | 233 |
| Second cover plate | 234 |
| Heat-sink unit | 30 |
| Heat-conducting part | 31 |
| Heat-conducting piece | 311 |
| Refrigerating seat | 32 |
| Bottom | 321 |
| First end wall | 321a |
| Second end wall | 321b |
| Sidewall | 321c |
| Dividing plate | 321d |
| Upper cover | 322 |
| Lid | 322a |
| Fin | 322b |
| Spatial accommodation | 323 |
| First through hole | 324 |
| Second through hole | 325 |
| First pipe fitting joint | 326 |
| Second pipe fitting joint | 327 |
| Connecting portion | 33 |
| Contiguous block | 331 |
| First link | 331a |
| Second link | 331b |
| Depressed part | 331c |
| First lug boss | 331d |
| Second lug boss | 331e |
| Brace | 332 |
| Liquid adsorption layer | 40 |
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 leak, and prevents electrolyte leakage from polluting to battery modules 100 outside.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 (7)
1. a battery modules, comprise a base, one be arranged at battery assembly module on described base and one be arranged at the heat-sink unit be connected on described base and with described battery assembly module, it is characterized in that: described battery pack comprises at least one battery to structure, described battery comprises two to structure and is arranged side by side and spaced battery unit, described heat-sink unit comprises a refrigerating seat, two correspond to described battery and correspond to described battery to the heat-conductive connection part of structure to the heat-conducting part of structure and at least one, described heat-conducting part is crossed over the interval of described battery to the battery unit in structure respectively and is connected to the opposing both sides of described battery to structure, described connecting portion is arranged between described battery unit and two ends and is connected to the part that described heat-conducting part crosses over the interval of described battery unit, described connecting portion is arranged on described refrigerating seat simultaneously, for the heat conduction extremely described refrigerating seat that described heat-conducting part is converged.
2. battery modules as claimed in claim 1, it is characterized in that: described base comprises first supporting region and second supporting region be positioned in the middle part of described first supporting region, described refrigerating seat is fixedly installed on described second supporting region, and described battery to be arranged on described first supporting region the battery unit of two in structure and to lay respectively at the opposing both sides of described refrigerating seat.
3. battery modules as claimed in claim 1, it is characterized in that: first end face of battery described in each, second end face, first cover plate and second cover plate opposing with described first end face, described battery to the first end of the battery unit of two in structure facing to described battery the same side to structure, the two ends of heat-conducting part described in one of them are fixed on described first end face respectively by described first cover plate, and the two ends of heat-conducting part described in another are fixed on described second end face respectively by described second cover plate.
4. battery modules as claimed in claim 1, it is characterized in that: heat-conducting part described in each comprises multiple strip heat-conducting piece, described heat-conducting piece is collected state in the middle part of described corresponding heat-conducting part, is divergent state in the two ends of corresponding heat-conducting part.
5. battery modules as claimed in claim 4, is characterized in that: described heat-conducting piece is the heat pipe with internal heat exchange function.
6. battery modules as claimed in claim 1, it is characterized in that: described connecting portion comprises a heat conduction contiguous block and two braces, and the two ends of described contiguous block are connected to the part that described heat-conducting part crosses over the interval of described battery unit by described brace.
7. battery modules as claimed in claim 6, it is characterized in that: one end end face of described contiguous block forms two the first lug bosses, other end end face forms two the second lug bosses, the part that the described heat-conducting part of correspondence crosses over the interval of described battery unit is held on wherein by described first lug boss, and the part that the described heat-conducting part of correspondence crosses over the interval of described battery unit is held on wherein by described second lug boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310747955.9A CN104752787A (en) | 2013-12-31 | 2013-12-31 | Battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310747955.9A CN104752787A (en) | 2013-12-31 | 2013-12-31 | Battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104752787A true CN104752787A (en) | 2015-07-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310747955.9A Pending CN104752787A (en) | 2013-12-31 | 2013-12-31 | Battery module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104752787A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109690865A (en) * | 2016-09-16 | 2019-04-26 | 株式会社东芝 | Battery module, secondary battery unit and vehicle electrical storage device |
| CN111697197A (en) * | 2019-03-14 | 2020-09-22 | 三星Sdi株式会社 | Electrode and secondary battery including the same |
| CN112787013A (en) * | 2019-11-01 | 2021-05-11 | Sk新技术株式会社 | Battery cell receiving part and battery module including the same |
-
2013
- 2013-12-31 CN CN201310747955.9A patent/CN104752787A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109690865A (en) * | 2016-09-16 | 2019-04-26 | 株式会社东芝 | Battery module, secondary battery unit and vehicle electrical storage device |
| CN109690865B (en) * | 2016-09-16 | 2022-01-18 | 株式会社东芝 | Battery module, battery unit, and vehicle power storage device |
| CN111697197A (en) * | 2019-03-14 | 2020-09-22 | 三星Sdi株式会社 | Electrode and secondary battery including the same |
| CN111697197B (en) * | 2019-03-14 | 2023-06-20 | 三星Sdi株式会社 | Electrode and secondary battery including the same |
| CN112787013A (en) * | 2019-11-01 | 2021-05-11 | Sk新技术株式会社 | Battery cell receiving part and battery module including the same |
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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 |