CN204230380U - A kind of heat management device of power battery - Google Patents
A kind of heat management device of power battery Download PDFInfo
- Publication number
- CN204230380U CN204230380U CN201420586987.5U CN201420586987U CN204230380U CN 204230380 U CN204230380 U CN 204230380U CN 201420586987 U CN201420586987 U CN 201420586987U CN 204230380 U CN204230380 U CN 204230380U
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- China
- Prior art keywords
- battery
- flat tube
- management device
- heat management
- liquid trap
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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 a kind of heat management device of power battery, comprise battery, flat tube and liquid trap, it is characterized in that, described battery is in row arrangement, and line number is several rows, and often the quantity of capable described battery is several; Described flat tube is located at the two ends of described battery, many one of the line number of battery described in the number ratio of described flat tube, and the thickness of described flat tube is between 1mm ~ 5mm; Described flat tube and described battery are assembled with overlapped way, and described liquid trap is installed in the left and right sides of described flat tube; Form the enclosure space of several transverse directions between the described liquid trap of flat tube described in upper and lower two and left and right, described battery is transversely arranged in enclosure space, and the quantity of enclosure space is identical with the line number of described battery; The utility model is by the use of flat tube, and cooling fluid circulates from flat tube, and from left to right, one direction PARALLEL FLOW, by the heat absorption of battery, lowers the temperature to battery, keeps the uniformity of battery temperature, improves 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, comprises battery, flat tube and liquid trap, it is characterized in that,
Described battery is in row arrangement, and line number is several rows, and often the quantity of capable described battery is several;
Described flat tube is located at the two ends of described battery, many one of the line number of battery described in the number ratio of described flat tube, and the thickness of described flat tube is between 1mm ~ 5mm;
Described flat tube and described battery are assembled with overlapped way, and described liquid trap is installed in the left and right sides of described flat tube;
Form the enclosure space of several transverse directions between the described liquid trap of flat tube described in upper and lower two and left and right, described battery is transversely arranged in enclosure space, and the quantity of enclosure space is identical with the line number of described battery.
Above-mentioned a kind of heat management device of power battery, wherein, the size of described flat tube and the size of described battery match.
Above-mentioned a kind of heat management device of power battery, wherein, also comprises: insulating barrier, is coated on described flat tube outside, and described insulating barrier adopts insulating material to make.
Above-mentioned a kind of heat management device of power battery, wherein, also comprises: heat conductive silica gel, fills between described flat tube and described battery.
Above-mentioned a kind of heat management device of power battery, wherein, described flat tube is hollow structure, and described flat tube inside has microchannel.
Above-mentioned a kind of heat management device of power battery, wherein, described liquid trap offers the mounting groove of shape and described flat tube mating shapes, described flat tube is detachably installed by mounting groove and described liquid trap.
Above-mentioned a kind of heat management device of power battery, wherein, described folded sandwich mode is the frame mode of flat tube-battery-flat tube, and is close to setting between described flat tube and described battery.
The beneficial effect of technique scheme:
The utility model is by the use of flat tube, and cooling fluid circulates from flat tube, and from left to right, one direction PARALLEL FLOW, by the heat absorption of battery, lowers the temperature to battery, keeps the uniformity of battery temperature, improves 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 cross sectional representation of the flat tube of heat management device of power battery described in the utility model;
Fig. 4 ~ Fig. 8 is cooling fluid flow route schematic diagram in flat tube in heat management device of power battery described in the utility model.
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, and 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.
Embodiment
Incorporated by reference to shown in Fig. 2 to Fig. 4, a kind of heat management device of power battery of the present utility model, comprises battery 3, flat tube 2 and liquid trap 1, wherein,
Battery 3 is in row arrangement, and line number is several rows, and often the quantity of row battery 3 is several;
Flat tube 2 is located at the two ends up and down of battery 3, many one of the line number of the number ratio battery 3 of flat tube 2, and the thickness of flat tube 2 is between 1mm ~ 5mm;
Flat tube 2 and battery 3 are assembled with overlapped way, and which is applicable to square duricrust battery, soft-package battery, also can be used for circular batteries, is close to setting between flat tube 2 and battery 3, and liquid trap 1 is installed on the left and right sides of flat tube 2;
Form the enclosure space of several transverse directions between upper and lower two flat tubes 2 and left and right liquid trap 1, battery 3 is transversely arranged in enclosure space, and the quantity of enclosure space is identical with the line number of battery 3.
The utility model also comprises following execution mode on the basis of the above, please continue see shown in Fig. 2 to Fig. 4,
In further embodiment of the present utility model, the size of flat tube 2 and the size of battery 3 match, the radiating surface size coupling that main finger is close to mutually, i.e. the width of the height of battery 3 and the cross section of flat tube 2.
In further embodiment of the present utility model, also comprise: insulating barrier, be arranged between flat tube 2 and battery 3, insulating barrier adopts insulating material to make, to improve the heat conductivility of cooling liquid, the mode of insulation processing can be adopt polyimide film parcel or wrapped on flat tube 2, or directly smooth with on flat tube 2, can also be to plate or spray applied insulation at the outer surface of flat tube 2.
In further embodiment of the present utility model, also comprise: heat conductive silica gel, comprise heat conductive silica gel lotion or thermal conductive silicon rubber cushion, heat conductive silica gel fills between battery 3 and flat tube 2, accommodates the stacked stacking battery 3 of multiple both positive and negative polarity in further each enclosure space, and multiple battery 3 (or to wrap up coated for flat tube 2 by insulating barrier, form single battery 3,) heat conductive silica gel between flat tube 2 and battery 3, with the gap between substantial battery 3 and flat tube 2, improve heat conductivility.
In further embodiment of the present utility model, flat tube 2 is hollow structure, and flat tube 2 inside has single microchannel 4 (or several microchannels 4).
In further embodiment of the present utility model, liquid trap 1 offers the mounting groove (not shown) of shape and flat tube 2 mating shapes, flat tube is detachably installed by mounting groove and liquid trap, also can directly be welded and fixed together.
User can further be familiar with characteristic of the present utility model and function according to following explanation,
As shown in Figure 4, knockout 5 separatory is in liquid trap 1, liquid trap 1 separatory gives each flat tube 2, cooling fluid flows (or from right-hand member to left end) from the left end of flat tube 2 to right-hand member, one direction PARALLEL FLOW (in figure, the direction of arrow is flow direction), the heat absorption of battery 3 is transferred along flow route, central authorities in flat tube 2 can when flat tube 2 bends for cooling fluid circulation with the microchannel 4 of broached-tooth design, be unlikely to cooling fluid blocking, heat conductive silica gel can be coated with between flat tube 2 and battery 3, for reducing heat transfer contact thermal resistance, user also can be suitable flat tube 2 and battery 3 are extruded, make to conduct heat more efficiently between the two, flat tube 2 is close to battery 3, the heat of battery can be made like this to pass to flat tube more efficiently.
As shown in Figure 5 and Figure 6, Fig. 5 is flat tube 2, liquid trap 1 and knockout 5 combine, Fig. 6 be flat tube 2 directly and knockout 5 combine, as shown in Figure 7 and Figure 8, as multiple device works simultaneously, in the same side of multiple device, a knockout can be installed respectively, knockout 5 separatory of side is to liquid trap 1, in the knockout of final inflow opposite side, detailed process is consistent with Fig. 4, is not repeated herein.
In addition, heat management device of power battery of the present utility model can cool and heating of battery for battery simultaneously, when automobile is at travel operation, and battery-heating, battery is lowered the temperature by the cooling fluid in flat tube; When the same day, temperature degree was lower, just started automobile, when battery does not also work, can suitably by heating liquid, inject in flat tube, liquid circulates in flat tube, is tentatively heated by battery, and battery working time is accelerated.
To sum up, the utility model is by the use of flat tube, and cooling fluid circulates from flat tube, and from left to right, one direction PARALLEL FLOW, by the heat absorption of battery, lowers the temperature to battery, keeps the uniformity of battery temperature, improves the heat exchange efficiency of battery.
These are 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 (6)
1. a heat management device of power battery, comprises battery, flat tube and liquid trap, it is characterized in that,
Described battery is in row arrangement, and line number is several rows, and often the quantity of capable described battery is several;
Described flat tube is located at the two ends of described battery, many one of the line number of battery described in the number ratio of described flat tube, and the thickness of described flat tube is between 1mm ~ 5mm;
Described flat tube and described battery are assembled with overlapped way, and described liquid trap is installed in the left and right sides of described flat tube;
Form the enclosure space of several transverse directions between the described liquid trap of flat tube described in upper and lower two and left and right, described battery is transversely arranged in enclosure space, and the quantity of enclosure space is identical with the line number of described battery.
2. heat management device of power battery according to claim 1, it is characterized in that, the size of described flat tube and the size of described battery match.
3. heat management device of power battery according to claim 1, is characterized in that, also comprise: insulating barrier, is coated on described flat tube outside, and described insulating barrier adopts insulating material to make.
4. heat management device of power battery according to claim 1, is characterized in that, also comprise: heat conductive silica gel, fill between described flat tube and described battery.
5. heat management device of power battery according to claim 1, it is characterized in that, described flat tube is hollow structure, and described flat tube inside has microchannel.
6. heat management device of power battery according to claim 1, it is characterized in that, described liquid trap offers the mounting groove of shape and described flat tube mating shapes, described flat tube is detachably installed by mounting groove and described liquid trap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420586987.5U CN204230380U (en) | 2014-10-11 | 2014-10-11 | A kind of heat management device of power battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420586987.5U CN204230380U (en) | 2014-10-11 | 2014-10-11 | A kind of heat management device of power battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204230380U true CN204230380U (en) | 2015-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420586987.5U Expired - Fee Related CN204230380U (en) | 2014-10-11 | 2014-10-11 | A kind of heat management device of power battery |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105406147A (en) * | 2015-11-13 | 2016-03-16 | 湖南南车时代电动汽车股份有限公司 | Battery water-cooling plate water path structure and battery water-cooling radiating method |
| CN107749506A (en) * | 2017-10-13 | 2018-03-02 | 高海燕 | A kind of battery pouring-basket cooling system |
| CN107910616A (en) * | 2017-11-22 | 2018-04-13 | 东莞市硅翔绝缘材料有限公司 | A kind of power battery liquid cooling system and its flexible liquid cooling pipe |
| CN108258367A (en) * | 2018-03-21 | 2018-07-06 | 北京工业大学 | A kind of snakelike flat tube liquid cooling battery module |
| CN108321455A (en) * | 2017-01-18 | 2018-07-24 | 盾安环境技术有限公司 | Power battery heat exchanger and power battery assembly |
| WO2018133278A1 (en) * | 2017-01-19 | 2018-07-26 | 清华大学深圳研究生院 | Electric car, and liquid delivery device and heat dissipation method suitable for electric car |
| CN109994800A (en) * | 2019-04-04 | 2019-07-09 | 上海理工大学 | A kind of device carrying out power battery temperature control using battery magic square system |
| CN112886087A (en) * | 2019-11-29 | 2021-06-01 | 比亚迪股份有限公司 | Cooling and heat transferring structure of power battery and vehicle |
-
2014
- 2014-10-11 CN CN201420586987.5U patent/CN204230380U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105406147A (en) * | 2015-11-13 | 2016-03-16 | 湖南南车时代电动汽车股份有限公司 | Battery water-cooling plate water path structure and battery water-cooling radiating method |
| CN105406147B (en) * | 2015-11-13 | 2018-10-26 | 湖南南车时代电动汽车股份有限公司 | A kind of battery cooled plate waterway structure and cell water cooling heat dissipation method |
| CN108321455A (en) * | 2017-01-18 | 2018-07-24 | 盾安环境技术有限公司 | Power battery heat exchanger and power battery assembly |
| WO2018133278A1 (en) * | 2017-01-19 | 2018-07-26 | 清华大学深圳研究生院 | Electric car, and liquid delivery device and heat dissipation method suitable for electric car |
| CN107749506A (en) * | 2017-10-13 | 2018-03-02 | 高海燕 | A kind of battery pouring-basket cooling system |
| CN107910616A (en) * | 2017-11-22 | 2018-04-13 | 东莞市硅翔绝缘材料有限公司 | A kind of power battery liquid cooling system and its flexible liquid cooling pipe |
| CN108258367A (en) * | 2018-03-21 | 2018-07-06 | 北京工业大学 | A kind of snakelike flat tube liquid cooling battery module |
| CN108258367B (en) * | 2018-03-21 | 2024-03-22 | 北京工业大学 | Snakelike flat tube liquid cooling battery module |
| CN109994800A (en) * | 2019-04-04 | 2019-07-09 | 上海理工大学 | A kind of device carrying out power battery temperature control using battery magic square system |
| CN112886087A (en) * | 2019-11-29 | 2021-06-01 | 比亚迪股份有限公司 | Cooling and heat transferring structure of power battery and vehicle |
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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: 20150325 Termination date: 20171011 |