CN204333162U - A kind of battery cooling apparatus - Google Patents
A kind of battery cooling apparatus Download PDFInfo
- Publication number
- CN204333162U CN204333162U CN201420764811.4U CN201420764811U CN204333162U CN 204333162 U CN204333162 U CN 204333162U CN 201420764811 U CN201420764811 U CN 201420764811U CN 204333162 U CN204333162 U CN 204333162U
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- China
- Prior art keywords
- battery
- shell
- external insulation
- mainboard
- insulation shell
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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.)
- Expired - Fee Related
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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 utility model relates to a kind of battery cooling apparatus, comprising: battery, and described battery has shell, and the outer surface of described shell is provided with insulating barrier and forms external insulation shell; Outer shell, in order to hold cooling fluid, described outer shell is made up of upper shell, lower house, and described upper shell, lower house surround sheath body cavity, and described outer shell is provided with inlet and liquid outlet; Mainboard, in order to assemble battery, described mainboard offers several installing holes; Described battery top and described mainboard seal to be installed, and the bottom of described external insulation shell is placed in the sheath body cavity of outer shell.External insulation shell of the present utility model to be soaked in cooling fluid or to be cooled by the moving air in sheath body cavity, reaches and keeps battery longitudinal temperature even, and the object of homogeneous temperature between battery.
Description
Technical field
The utility model relates to electric automobile, oil-electric vehicle or fuel cell car power accumulator field of heat exchange equipment, particularly relates to a kind of battery cooling apparatus.
Background technology
Electrokinetic cell is as the power resources of electric automobile, it is key one ring improving vehicle performance and reduce costs, its temperature characterisitic directly affects the performance of automobile, life-span and durability, lithium ion battery because of than can large, have extended cycle life, self-discharge rate is low, the advantage that allows that operating temperature range is wide, cryogenic effect is good etc. as power accumulator first-selected at present, therefore ensure the temperature homogeneity that need maintain while battery each monocell interior is operated within the scope of reasonable temperature between each battery.The battery type of cooling of current employing is primarily of liquid cools and air cooling, and air cooling is that the heat of battery is taken away through air ejector fan by the wind produced by motion, but this type of cooling is not suitable in the running environment of high-discharge-rate and high temperature.
Liquid cooling system as shown in Figure 1, under the driving of water pump D, cooling liquid flows through the battery heat-conducting plate B bottom heat exchanger C and power brick A, the heat of inside battery is derived, but heat is vertically delivered on the battery heat-conducting plate B of battery bottom by the electrode in battery and electrolyte by the caloric requirement of inside battery, heat conduction path is long, causes that heat transfer resistance is large, heat exchange efficiency is low, the temperature difference of vertical direction is comparatively large, require harsher to outside cooling system performance; And the cooling liquid of battery heat-conducting plate B inside flows through bottom each power brick A successively, the chilled liquid temperature flowing through each battery heat-conducting plate B is inconsistent, thus cause the temperature difference between power brick A and power brick A comparatively large, the uniformity of the temperature between battery and battery cannot be ensured.
Utility model content
The technical problems to be solved in the utility model is: overcome the deficiencies in the prior art, provides a kind of battery cooling apparatus, improves the heat exchange efficiency between battery and cooling fluid, reaches and reduces the upper and lower temperature difference of single battery, and the object of the temperature difference between battery.
The utility model solves the technical scheme that its technical problem adopts: a kind of battery cooling apparatus, comprising:
Battery, described battery has shell, and the outer surface of described shell is provided with insulating barrier and forms external insulation shell;
Outer shell, in order to hold cooling fluid, described outer shell is made up of upper shell, lower house, and described upper shell, lower house surround sheath body cavity, and described outer shell is provided with inlet and liquid outlet;
Mainboard, in order to assemble battery, described mainboard offers several installing holes;
Described battery top and described mainboard seal to be installed, and the bottom of described external insulation shell is placed in the sheath body cavity of outer shell, and the bottom of described external insulation shell is unsettled, or the bottom of described external insulation shell contacts with bottom the inwall of lower house.
Further, described insulating barrier adopts spraying or parcel or pyrocondensation technique to make.
Further, described insulating barrier adopts macromolecule polymer material to make.
Further, described insulating barrier adopts ceramic powders or resin or polyimides or Teflon material or insulating tape to make.
Further, described external insulation shell and installing hole are by weld or fast slotting or clamping or seal with elastometic washer or rubber sheet gasketing seals or aqueous fluid sealant or paste fluid sealant is fixed or thread seal is fixed.
Further, described mainboard is aluminium alloy or stainless steel or plastics or resin material, and described external insulation shell is aluminium alloy or stainless steel material or plastics or aluminum plastic film, and described external insulation shell is square or circular.
Further, described battery is a plurality of, a plurality of described battery measure-alike; Or a plurality of battery is equally divided into two classes, the cross-sectional area of first kind battery is two times that Equations of The Second Kind cell cross-section amasss, and first kind battery-arrangements is in the position of contiguous described inlet, and Equations of The Second Kind battery-arrangements is in the position of contiguous described liquid outlet; Or described a plurality of described battery is equally divided into three classes, the cross-sectional area of described first kind battery is Equations of The Second Kind cell cross-section long-pending 3/2nds times, the cross-sectional area of first kind battery is long-pending three times of the 3rd class cell cross-section, from the position of contiguous described inlet, be arranged in sequence with first kind battery, Equations of The Second Kind battery and the 3rd class battery;
The size of each installing hole of described mainboard adapts with the size of the external insulation shell of each corresponding class battery.
Be filled with cooling fluid in the sheath body inner chamber of described outer shell, the bottom of described external insulation shell is unsettled above cooling fluid or be placed in cooling fluid, and described cooling fluid flows to as left and right is to flowing or front and back to flowing.
Several battery proper alignment and described mainboard seal to be installed, or the staggered and described mainboard of several batteries seals to be installed.
The beneficial effects of the utility model are: battery top and described mainboard seal to be installed, the bottom of described external insulation shell is placed in the sheath body cavity of outer shell, external insulation shell is soaked in cooling fluid or by the moving air in sheath body cavity and cools, reach and keep battery longitudinal temperature even, and the object of homogeneous temperature between battery.
Outer shell is provided with inlet and liquid outlet, is conducive to the flowing of cooling liquid, improves the heat exchange efficiency of battery.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further illustrated.
Fig. 1 is the structural representation of existing cooling system;
Fig. 2 is the battery schematic diagram that outer surface is provided with insulating barrier;
Fig. 3 is the structural representation of battery installing sealing ring, insulation cushion;
Fig. 4 is the schematic diagram that battery and mainboard are tightly connected;
Fig. 5 is the structural representation that mainboard installed by battery;
Fig. 6 is the structural representation that each battery is arranged on mainboard;
Fig. 7 is the structural representation of outer shell;
Fig. 8 is a kind of sealing means of battery;
Fig. 9 is the another kind of sealing means of battery;
Wherein, 1, battery, 2, external insulation shell, 3, mainboard, 4, outer shell, 41, upper shell, 42, lower house, 11, sealing ring, 12, electrical insulation pad, 13, exhaust outlet.
Embodiment
By reference to the accompanying drawings the utility model is further described now.The schematic diagram that these accompanying drawings are simplification only illustrates basic structure of the present utility model in a schematic way, and therefore it only shows the formation relevant with the utility model.
As shown in Figures 1 to 7, a kind of battery cooling apparatus, comprising: battery 1, and battery 1 has shell, and the outer surface of shell is provided with insulating barrier and forms external insulation shell 2.Shell can adopt metal shell, non-metal shell or composite material material, and composite material such as can aluminium plastic film.
Outer shell 4, in order to hold cooling fluid, outer shell 4 is made up of upper shell 41, lower house 42, and upper shell 41, lower house 42 surround sheath body cavity, and outer shell 4 is provided with inlet and liquid outlet, also can ventilating air, is cooled by cooling-air.
Mainboard 3, in order to assemble battery 1, mainboard 3 offers several installing holes; Battery 1 top and described mainboard 3 seal to be installed, and the bottom of external insulation shell 2 is placed in the sheath body cavity of outer shell.The bottom of external insulation shell 2 is unsettled, or the bottom of described external insulation shell 2 contacts with bottom the inwall of lower house 42.Installing hole can be formed by punching press, also can be formed through injection moulding or cutting.
In the present embodiment, insulating barrier adopts spraying or parcel or pyrocondensation technique to make, or insulating barrier adopts macromolecule polymer material to make, or insulating barrier adopts ceramic powders or resin or polyimides or Teflon material to make.Insulating barrier also can adopt insulating tape, can also be the combination of these sealed insulation modes.
In the present embodiment, external insulation shell 2 and installing hole seals fixing, and fixing seal fixed form is: external insulation shell 2 and installing hole are by welding or slotting or clamping or seal with elastometic washer or rubber sheet gasketing seals or aqueous fluid sealant or paste fluid sealant is fixed or adopt thread seal as shown in Figure 3 to fix soon.
As shown in Figures 3 to 5, electrode on battery 1 is bolt shape, two electrodes are set with electrical insulation pad 12 and sealing ring 11, and there is in the upper end of battery 1 exhaust outlet 13, then two electrodes of battery 1 are fixed through the installing hole attaching nut on mainboard 3, formed and be sealed and matched between the upper end sealing surface (sealing positive and negative electrode, steam vent) of battery 1 and mainboard 3.
As shown in Figure 8 and Figure 9, the sealing means to the sealing of battery 1: positive and negative electrode, steam vent 13 (or safety valve) are sealed by sealing ring 11, and isolate with cooling fluid; Certainly, sealing means also has a variety of, and this patent comprises various sealing means, is not limited to the sealing means that certain is concrete.
Mainboard 3 is aluminium alloy or stainless steel or plastics or resin material, and described external insulation shell is aluminium alloy or stainless steel material or plastics or aluminum plastic film, and described external insulation shell is square or circular.
Several battery 1 proper alignment and mainboard 3 seal to be installed, or staggered the sealing with mainboard 3 of several batteries 1 is installed.
Be filled with cooling fluid in the sheath body inner chamber of outer shell, the bottom of external insulation shell is unsettled above cooling fluid or be placed in cooling fluid, and described cooling fluid flows to as left and right is to flowing or front and back to flowing.
In the present embodiment, the bottom of external insulation shell is placed in cooling fluid, reduces the heat transfer resistance between battery 1 and cooling fluid, reaches and keeps battery 1 longitudinal temperature even, and the object of homogeneous temperature between battery 1; Inlet on outer shell 4 and liquid outlet, be convenient to the flowing of cooling fluid, improves the heat exchange efficiency of battery 1.
The present embodiment does not derive battery 1 with being only applicable to the heat efficient uniform produced by electrokinetic cell 1, is also applicable to the heat of outside to import battery 1, and is applicable to liquid PTC electric heater.
In a preferred embodiment, battery 1 is a plurality of, a plurality of battery 1 measure-alike; Or a plurality of battery 1 is equally divided into two classes, the cross-sectional area of first kind battery is two times that Equations of The Second Kind cell cross-section amasss, and first kind battery-arrangements is in the position of contiguous inlet, and Equations of The Second Kind battery-arrangements is in the position of contiguous liquid outlet; Or a plurality of battery 1 is equally divided into three classes, the cross-sectional area of first kind battery is Equations of The Second Kind cell cross-section long-pending 3/2nds times, the cross-sectional area of first kind battery is long-pending three times of the 3rd class cell cross-section, from the position of contiguous inlet, be arranged in sequence with first kind battery, Equations of The Second Kind battery and the 3rd class battery.
The cooling of this immersion type not only can be used for rectangular cell, is also applicable to circular batteries.
The size of each installing hole of mainboard 3 adapts with the interior insulation crust of each corresponding class battery or the size of external insulation shell 2.
Minimum according to the chilling temperature around the battery 1 flowing to known first row of cooling liquid, the temperature of battery 1 is minimum, good cooling results, therefore the cross-sectional area of reduction battery 1 in batches, the radial heat transfer resistance of battery 1 can be reduced, reduce the temperature difference between battery 1 core inner and external refrigeration liquid, the central temperature of the inner all batteries 1 of outer shell 4 can be made to balance by the mode reducing cooling liquid downstream battery 1 cross-sectional area, optimum efficiency is reached to keep the performance of battery 1 itself, when actual motion, also by regular (1 hour or 1 day), the inlet of cooling liquid and liquid outlet are switched, to keep battery 1 Temperature Distribution before and after runner evenly.Spacing between battery 1 is uniform, and spacing is between 2mm ~ 5mm, and the distance between the battery 1 of adjacent sidewall and sidewall is between 5mm ~ 7mm; Spacing between battery 1 may also be non-equidistance.
With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this utility model technological thought, can carry out various change and amendment completely.The technical scope of this utility model is not limited to the content on specification, must determine its technical scope according to right.
Claims (9)
1. a battery cooling apparatus, is characterized in that, comprising:
Battery (1), described battery (1) has shell, and the outer surface of described shell is provided with insulating barrier and forms external insulation shell (2);
Outer shell (4), in order to hold cooling fluid, described outer shell (4) is made up of upper shell (41), lower house (42), described upper shell (41), lower house (42) surround sheath body cavity, and described outer shell (4) is provided with inlet and liquid outlet;
Mainboard (3), in order to assemble battery (1), described mainboard (3) offers several installing holes;
Described battery (1) top and described mainboard (3) seal to be installed, the bottom of described external insulation shell (2) is placed in the sheath body cavity of outer shell, the bottom of described external insulation shell (2) is unsettled, or the bottom of described external insulation shell (2) contacts with bottom the inwall of lower house (42).
2. battery cooling apparatus as claimed in claim 1, is characterized in that, described insulating barrier adopts spraying or parcel or pyrocondensation technique to make.
3. battery cooling apparatus as claimed in claim 1, is characterized in that, described insulating barrier adopts macromolecule polymer material to make.
4. battery cooling apparatus as claimed in claim 3, is characterized in that, described insulating barrier adopts ceramic powders or resin or polyimides or Teflon material or insulating tape to make.
5. battery cooling apparatus as claimed in claim 1, it is characterized in that, described external insulation shell (2) and installing hole are by weld or fast slotting or clamping or seal with elastometic washer or rubber sheet gasketing seals or aqueous fluid sealant or paste fluid sealant is fixed or thread seal is fixed.
6. battery cooling apparatus as claimed in claim 1, it is characterized in that, described mainboard (3) is aluminium alloy or stainless steel or plastics or resin material, and described external insulation shell is aluminium alloy or stainless steel material or plastics or aluminum plastic film, and described external insulation shell is square or circular.
7. battery cooling apparatus as claimed in claim 1, is characterized in that, described battery (1) for a plurality of, a plurality of described battery (1) measure-alike; Or a plurality of battery (1) is equally divided into two classes, the cross-sectional area of first kind battery is two times that Equations of The Second Kind cell cross-section amasss, and first kind battery-arrangements is in the position of contiguous described inlet, Equations of The Second Kind battery-arrangements is in the position of contiguous described liquid outlet; Or described a plurality of described battery (1) is equally divided into three classes, the cross-sectional area of described first kind battery is Equations of The Second Kind cell cross-section long-pending 3/2nds times, the cross-sectional area of first kind battery is long-pending three times of the 3rd class cell cross-section, from the position of contiguous described inlet, be arranged in sequence with first kind battery, Equations of The Second Kind battery and the 3rd class battery;
The size of each installing hole of described mainboard (3) adapts with the size of the external insulation shell (2) of each corresponding class battery.
8. battery cooling apparatus as claimed in claim 1, it is characterized in that, be filled with cooling fluid in the sheath body inner chamber of described outer shell, the bottom of described external insulation shell is unsettled above cooling fluid or be placed in cooling fluid, and described cooling fluid flows to as left and right is to flowing or front and back to flowing.
9. battery cooling apparatus as claimed in claim 1, it is characterized in that, several batteries (1) proper alignment and described mainboard (3) seal to be installed, or the staggered and described mainboard (3) of several batteries (1) seals to be installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420764811.4U CN204333162U (en) | 2014-12-08 | 2014-12-08 | A kind of battery cooling apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420764811.4U CN204333162U (en) | 2014-12-08 | 2014-12-08 | A kind of battery cooling apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204333162U true CN204333162U (en) | 2015-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420764811.4U Expired - Fee Related CN204333162U (en) | 2014-12-08 | 2014-12-08 | A kind of battery cooling apparatus |
Country Status (1)
| Country | Link |
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| CN (1) | CN204333162U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104466300A (en) * | 2014-12-08 | 2015-03-25 | 江苏港星方能超声洗净科技有限公司 | Battery cooling device |
| CN105206895A (en) * | 2015-10-20 | 2015-12-30 | 方乐同 | Cooling method of battery pack and battery pack with cooling device |
| WO2016091133A1 (en) * | 2014-12-08 | 2016-06-16 | 宋正贤 | Heat management device of electro-heating component |
| CN109301392A (en) * | 2018-10-25 | 2019-02-01 | 广东合新材料研究院有限公司 | A kind of current sharing liquid body cooled automobile power cell group |
| CN110620282A (en) * | 2018-06-19 | 2019-12-27 | 罗伯特·博世有限公司 | Battery module with a plurality of battery cells |
| CN113067058A (en) * | 2021-03-24 | 2021-07-02 | 安徽相成新能源科技有限公司 | Soft package battery thermal management system and operation method thereof |
-
2014
- 2014-12-08 CN CN201420764811.4U patent/CN204333162U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104466300A (en) * | 2014-12-08 | 2015-03-25 | 江苏港星方能超声洗净科技有限公司 | Battery cooling device |
| WO2016091133A1 (en) * | 2014-12-08 | 2016-06-16 | 宋正贤 | Heat management device of electro-heating component |
| CN105206895A (en) * | 2015-10-20 | 2015-12-30 | 方乐同 | Cooling method of battery pack and battery pack with cooling device |
| CN110620282A (en) * | 2018-06-19 | 2019-12-27 | 罗伯特·博世有限公司 | Battery module with a plurality of battery cells |
| CN109301392A (en) * | 2018-10-25 | 2019-02-01 | 广东合新材料研究院有限公司 | A kind of current sharing liquid body cooled automobile power cell group |
| CN113067058A (en) * | 2021-03-24 | 2021-07-02 | 安徽相成新能源科技有限公司 | Soft package battery thermal management system and operation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 Termination date: 20191208 |