CN204045700U - Heat management device of power battery - Google Patents
Heat management device of power battery Download PDFInfo
- Publication number
- CN204045700U CN204045700U CN201420412755.8U CN201420412755U CN204045700U CN 204045700 U CN204045700 U CN 204045700U CN 201420412755 U CN201420412755 U CN 201420412755U CN 204045700 U CN204045700 U CN 204045700U
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- Prior art keywords
- battery
- sleeve pipe
- main body
- management device
- heat management
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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 discloses heat management device of power battery, the sleeve pipe of heat management device of power battery is in order to hold battery, and the size of sleeve pipe and the size of battery adapt; Main body forms a closed structure by upper cover plate, lower cover and sidewall, in order to hold cooling liquid; What punching hole was paired is formed on upper cover plate and lower cover respectively; Water inlet is arranged at the left upper portion of main body; Delivery port is arranged at the lower right side of main body; The cross section of sleeve pipe and the size of punching hole adapt, and two ends of sleeve pipe are individually fixed in a pair punching hole, to form a confined space, sleeve pipe are soaked in cooling liquid.The utility model keeps battery longitudinal temperature even by being all soaked in cooling fluid by the sleeve pipe carrying battery to reach, and the object of homogeneous temperature between battery; Water inlet is arranged at the top of main body, delivery port is arranged at the bottom of main body, be conducive to the flowing of cooling liquid, improve the heat exchange efficiency of 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 heat management device of power battery.
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.
Summary of the invention
For the problems referred to above that existing liquid cooling system exists, now provide heat management device of power battery, improve the heat exchange efficiency between battery and cooling fluid, reach and reduce the upper and lower temperature difference of single battery, and the object of the temperature difference between battery.
A kind of heat management device of power battery, comprising:
Battery;
Sleeve pipe, in order to hold described battery, the size of described sleeve pipe and the size of described battery adapt;
Main body, described main body forms a closed structure by upper cover plate, lower cover and sidewall, in order to hold cooling liquid;
Punching hole, paired is formed on described upper cover plate and described lower cover respectively;
Water inlet, is arranged at the left upper portion of described main body;
Delivery port, is arranged at the lower right side of described main body;
The cross section of described sleeve pipe and the size of described punching hole adapt, and two ends of described sleeve pipe are individually fixed in punching hole described in a pair, to form a confined space, described sleeve pipe are soaked in described cooling liquid.
Preferably, also comprise: insulating barrier, be arranged between described sleeve pipe and described battery, described insulating barrier adopts heat-conducting insulation material to make.
Preferably, also comprise: heat conductive silica gel, fill between described insulating barrier and described sleeve pipe, or fill between described insulating barrier and described battery.
Preferably, described battery is a plurality of, a plurality of described battery measure-alike, or a plurality of battery cross-sectional area of being equally divided into two class first kind batteries is long-pending two times of Equations of The Second Kind cell cross-section, and first kind battery-arrangements is in the position of contiguous described water inlet, Equations of The Second Kind battery-arrangements is in the position of contiguous described delivery port, or described a plurality of described battery is equally divided into three classes, the cross-sectional area of described first kind battery is 3/2nds times that Equations of The Second Kind cell cross-section amasss, the cross-sectional area of first kind battery is three times that the 3rd class cell cross-section amasss, first kind battery is arranged in sequence with from the position of contiguous described water inlet, Equations of The Second Kind battery and the 3rd class battery,
Each class battery adapts with the size of the described sleeve pipe holding described battery.
Preferably, the number of described sleeve pipe is a plurality of, identical with the logarithm of described punching hole, and a plurality of described sleeve pipe is that matrix type or alternate matrix type are arranged in described main body.
Preferably, described main body is parallelepiped, a pair opposite in described hexahedron is parallelogram, another two pairs of opposites are rectangle, described water inlet and described delivery port are arranged at the both sides of a pair rectangular surfaces respectively, described water inlet is arranged at the left upper portion of a rectangular surfaces, and described delivery port is arranged at the lower right side of another rectangular surfaces.
Preferably, the acute angle scope of described parallelogram is: 60 ° to 90 °.
The beneficial effect of technique scheme:
Keep battery longitudinal temperature even by being all soaked in cooling fluid by the sleeve pipe carrying battery to reach, and the object of homogeneous temperature between battery; Water inlet is arranged at the top of main body, delivery port is arranged at the bottom of main body, be conducive to the flowing of cooling liquid, improve the heat exchange efficiency of battery.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing cooling system;
Fig. 2 is the vertical view of a kind of embodiment of heat management device of power battery described in the utility model;
Fig. 3 is the front view of a kind of embodiment of heat management device of power battery described in the utility model;
Fig. 4 is the flow chart of the method for making heat management device of power battery described in the utility model.
In accompanying drawing: 1. water inlet; 2. main body; 3. battery; 4. delivery port; 5. sleeve pipe; 6. punching hole; A. power brick; B. battery heat-conducting plate; C. heat exchanger; D. water pump.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite of not making creative work, all belongs to the scope of the utility model protection.
It should be noted that, when not conflicting, the embodiment in the utility model and the feature in embodiment can combine mutually.
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, but not as restriction of the present utility model.
As shown in Figures 2 and 3, a kind of heat management device of power battery, comprising: battery 3, sleeve pipe 5, main body 2, punching hole 6, water inlet 1 and delivery port 4;
Sleeve pipe 5 is in order to hold battery 3, and the size of sleeve pipe 5 and the size of battery 3 adapt; Main body 2 forms a closed structure by upper cover plate, lower cover and sidewall, in order to hold cooling liquid; What punching hole 6 was paired is formed on upper cover plate and lower cover respectively; Water inlet 1 is arranged at the left upper portion of main body 2; Delivery port 4 is arranged at the lower right side of main body 2; The cross section of sleeve pipe 5 and the size of punching hole 6 adapt, and two ends of sleeve pipe 5 are individually fixed in a pair punching hole 6, to form a confined space, sleeve pipe 5 are soaked in cooling liquid.
In the present embodiment by being all soaked in cooling fluid by the sleeve pipe 5 carrying battery 3, reduce the heat transfer resistance between battery 3 and cooling liquid, reach and keep battery 3 longitudinal temperature even, and the object of homogeneous temperature between battery 3; Water inlet 1 is arranged at the top of main body 2, delivery port 4 is arranged at the bottom of main body 2, be conducive to the flowing of cooling liquid, improve the heat exchange efficiency of battery 3.Further punching hole 6 can only be formed on upper cover plate or on lower cover, is fixed on one end of sleeve pipe 5 in punching hole 6, and the other end of sleeve pipe 5 is suspended in main body 2, is soaked in fully in cooling liquid to make battery 3.
The present embodiment does not derive battery 3 with being only applicable to the heat efficient uniform produced by electrokinetic cell 3, is also applicable to the heat of outside to import battery 3, and is applicable to liquid PTC electric heater.
In a preferred embodiment, also comprise: insulating barrier, be arranged between sleeve pipe 5 and battery 3; Insulating barrier adopts heat-conducting insulation material to make, to improve the heat conductivility of cooling liquid.Insulating barrier can adopt Teflon or polyimides to make.Further, also comprise: watertight composition, watertight composition is arranged in order to waterproof outside insulating barrier, and sleeve pipe 5 can be replaced to be covered in battery 3 outer surface, reduces production cost.
In a preferred embodiment, also comprise: heat conductive silica gel, heat conductive silica gel fills between insulating barrier and sleeve pipe 5, or fills between insulating barrier and battery 3.The stacked stacking battery 3 of multiple both positive and negative polarity is accommodated in further each sleeve pipe 5, wrapped up by multiple battery 3 by insulating barrier, form single battery 3, heat conductive silica gel is between sleeve pipe 5 and insulating barrier, with the gap between substantial battery 3 and sleeve pipe 5, improve heat conductivility.
In a preferred embodiment, battery 3 is a plurality of, a plurality of battery 3 measure-alike, or a plurality of battery 3 cross-sectional area of being equally divided into two class first kind batteries is long-pending two times (namely the thickness of first kind battery is two times of Equations of The Second Kind cell thickness) of Equations of The Second Kind cell cross-section, and first kind battery-arrangements is in the position of contiguous water inlet 1, Equations of The Second Kind battery-arrangements is in the position of contiguous delivery port 4, or a plurality of battery 3 is equally divided into three classes, the cross-sectional area of first kind battery is 3/2nds times that Equations of The Second Kind cell cross-section amasss, the cross-sectional area of first kind battery is three times that the 3rd class cell cross-section amasss, first kind battery is arranged in sequence with from the position of contiguous water inlet 1, Equations of The Second Kind battery and the 3rd class battery,
Each class battery adapts with the size of the sleeve pipe 5 holding battery.
Minimum according to the chilling temperature around the battery 3 flowing to known first row of cooling liquid, the temperature of battery 3 is minimum, good cooling results, therefore the cross-sectional area of reduction battery 3 in batches, the radial heat transfer resistance of battery 3 can be reduced, reduce the temperature difference between battery 3 core inner and external refrigeration liquid, the central temperature of the inner all batteries 3 of main body 2 can be made to balance by the mode reducing cooling liquid downstream battery 3 cross-sectional area, optimum efficiency is reached to keep the performance of battery 3 itself, when actual motion, also by regular (1 hour or 1 day), the water inlet 1 of cooling liquid and delivery port 4 are switched, to keep battery 3 Temperature Distribution before and after runner evenly.Further, the spacing between battery 3 is uniform, and spacing is between 2mm ~ 5mm, and the distance between the battery 3 of adjacent sidewall and sidewall is between 5mm ~ 7mm; Spacing between battery 3 may also be non-equidistance.
In a preferred embodiment, the number of sleeve pipe 5 is a plurality of, identical with the logarithm of punching hole 6, and a plurality of sleeve pipe 5 is that matrix type or alternate matrix type are arranged in main body 2.The structure of further sleeve pipe 5 can be flat tube shape, tubular or other shapes.Further, between sleeve pipe 5 and sleeve pipe 5, increase fin, to strengthen cooling liquid side exchange capability of heat.
In a preferred embodiment, main body 2 is parallelepiped, a pair opposite in hexahedron is parallelogram, another two pairs of opposites are rectangle, water inlet 1 and delivery port 4 are arranged at the both sides of a pair rectangular surfaces respectively, and water inlet 1 is arranged at the left upper portion of a rectangular surfaces, and delivery port 4 is arranged at the lower right side of another rectangular surfaces, adopt the structure of parallelogram that the horizontal flow of cooling liquid can be made to be uniformly distributed, keep horizontal battery 3 uniformity of temperature profile.
In a preferred embodiment, as shown in Figure 2, the acute angle scope of parallelogram is: 60 ° to 90 °; Further preferred angle is: 80 ° to 85 °, heat-conducting effect is best.
Make a method for heat management device of power battery, heat management device of power battery comprises battery 3, sleeve pipe 5 and main body 2; The size of sleeve pipe 5 and the size of battery 3 adapt;
Main body 2 forms a closed structure by upper cover plate, lower cover and sidewall, in order to hold cooling liquid;
The method making heat management device of power battery comprises the steps (as shown in Figure 4):
Step 1. forms punching hole 6 on upper cover plate and lower cover, the punching hole 6 on upper cover plate and punching hole 6 one_to_one corresponding on lower cover;
Battery 3 is put into sleeve pipe 5 by step 2.;
Heat conductive silica gel pours between sleeve pipe 5 and battery 3 by step 3., or is compressed by sleeve pipe 5, gets rid of the air gap between sleeve pipe 5 and battery 3 or gas, battery 3 is contacted with sleeve pipe 5 inner tight, less heat transfer thermal resistance;
Step 4. adopts the mode (soldering or Laser Welding) of welding to be fixed on one end of sleeve pipe 5 in the punching hole 6 on lower cover, to guarantee water-tight, adopt solder technology assembly technology simple, safe and reliable, compact conformation, save the sheet material of main body 2, cost is low;
Step 5. adopts the mode of welding to be fixed on by the other end of sleeve pipe 5 in the punching hole 6 on upper cover plate;
Step 6. arranges water inlet 1 in the left upper portion of the sidewall of main body 2, sets out the mouth of a river 4 in the lower right side of the sidewall of main body 2.
Adopt the heat management device of power battery good waterproof performance that said method makes, safe and reliable, good heat-transfer, the cooling liquid of employing, without the need to insulating requirements (as: silicon-based oil or mineral oil), only need adopt water base cooling fluid.The thickness of battery 3 also can adjust according to actual needs, keeps the uniformity of temperature.When dangerous situation, this device can be used for the pernicious gas discharging battery 3 generation, improves battery 3 fail safe.
The method of further making heat management device of power battery can also be: on upper cover plate or lower cover, form punching hole 6; Battery 3 is put into sleeve pipe 5; Heat conductive silica gel is poured between sleeve pipe 5 and battery 3, or sleeve pipe 5 is compressed, get rid of the air gap between sleeve pipe 5 and battery 3 or gas, battery 3 is contacted with sleeve pipe 5 inner tight, less heat transfer thermal resistance; Adopt the mode (soldering or Laser Welding) of welding to be fixed on one end of sleeve pipe 5 in the punching hole 6 on upper cover plate or lower cover, make the other end of sleeve pipe 5 be suspended in main body 2, to guarantee water-tight; Water inlet 1 is set in the left upper portion of the sidewall of main body 2, sets out the mouth of a river 4 in the lower right side of the sidewall of main body 2.
In a preferred embodiment, step 1 also comprises, and adopts insulating barrier to be wrapped in battery 3 surface.
In a preferred embodiment, step 1 also comprises, at the plating of sleeve pipe 5 inner surface or spraying one layer insulating.
The foregoing is only the utility model preferred embodiment; not thereby execution mode of the present utility model and protection range is limited; to those skilled in the art; should recognize and all should be included in the scheme that equivalent replacement done by all utilization the utility model specifications and diagramatic content and apparent change obtain in protection range of the present utility model.
Claims (7)
1. a heat management device of power battery, is characterized in that, comprising:
Battery;
Sleeve pipe, in order to hold described battery, the size of described sleeve pipe and the size of described battery adapt;
Main body, described main body forms a closed structure by upper cover plate, lower cover and sidewall, in order to hold cooling liquid;
Punching hole, paired is formed on described upper cover plate and described lower cover respectively;
Water inlet, is arranged at the left upper portion of described main body;
Delivery port, is arranged at the lower right side of described main body;
The cross section of described sleeve pipe and the size of described punching hole adapt, and two ends of described sleeve pipe are individually fixed in punching hole described in a pair, to form a confined space, described sleeve pipe are soaked in described cooling liquid.
2. heat management device of power battery as claimed in claim 1, is characterized in that, also comprise: insulating barrier, be arranged between described sleeve pipe and described battery, and described insulating barrier adopts heat-conducting insulation material to make.
3. heat management device of power battery as claimed in claim 2, is characterized in that, also comprise: heat conductive silica gel, fill between described insulating barrier and described sleeve pipe, or fill between described insulating barrier and described battery.
4. heat management device of power battery as claimed in claim 1, it is characterized in that, described battery is a plurality of, a plurality of described battery measure-alike, or a plurality of battery cross-sectional area of being equally divided into two class first kind batteries is long-pending two times of Equations of The Second Kind cell cross-section, and first kind battery-arrangements is in the position of contiguous described water inlet, Equations of The Second Kind battery-arrangements is in the position of contiguous described delivery port, or described a plurality of described battery is equally divided into three classes, the cross-sectional area of described first kind battery is 3/2nds times that Equations of The Second Kind cell cross-section amasss, the cross-sectional area of first kind battery is three times that the 3rd class cell cross-section amasss, first kind battery is arranged in sequence with from the position of contiguous described water inlet, Equations of The Second Kind battery and the 3rd class battery,
Each class battery adapts with the size of the described sleeve pipe holding described battery.
5. heat management device of power battery as claimed in claim 1, it is characterized in that, the number of described sleeve pipe is a plurality of, identical with the logarithm of described punching hole, and a plurality of described sleeve pipe is that matrix type or alternate matrix type are arranged in described main body.
6. heat management device of power battery as claimed in claim 5, it is characterized in that, described main body is parallelepiped, a pair opposite in described hexahedron is parallelogram, another two pairs of opposites are rectangle, described water inlet and described delivery port are arranged at the both sides of a pair rectangular surfaces respectively, and described water inlet is arranged at the left upper portion of a rectangular surfaces, and described delivery port is arranged at the lower right side of another rectangular surfaces.
7. heat management device of power battery as claimed in claim 6, it is characterized in that, the acute angle scope of described parallelogram is: 60 ° to 90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420412755.8U CN204045700U (en) | 2014-07-24 | 2014-07-24 | Heat management device of power battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420412755.8U CN204045700U (en) | 2014-07-24 | 2014-07-24 | Heat management device of power battery |
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| Publication Number | Publication Date |
|---|---|
| CN204045700U true CN204045700U (en) | 2014-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420412755.8U Expired - Fee Related CN204045700U (en) | 2014-07-24 | 2014-07-24 | Heat management device of power battery |
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| CN (1) | CN204045700U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105428669A (en) * | 2015-12-29 | 2016-03-23 | 苏州科纽普新能源科技有限公司 | New energy battery pack apparatus with air-cooled device |
-
2014
- 2014-07-24 CN CN201420412755.8U patent/CN204045700U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105428669A (en) * | 2015-12-29 | 2016-03-23 | 苏州科纽普新能源科技有限公司 | New energy battery pack apparatus with air-cooled device |
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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: 20141224 Termination date: 20180724 |