CN204045697U - A kind of sealing liquid cooling lithium ion battery bag - Google Patents
A kind of sealing liquid cooling lithium ion battery bag Download PDFInfo
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- CN204045697U CN204045697U CN201420496888.8U CN201420496888U CN204045697U CN 204045697 U CN204045697 U CN 204045697U CN 201420496888 U CN201420496888 U CN 201420496888U CN 204045697 U CN204045697 U CN 204045697U
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- upper cover
- lower box
- lithium ion
- ion battery
- battery bag
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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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Abstract
The utility model provides a kind of sealing liquid cooling lithium ion battery bag, and be applied to cell art, sealing liquid cooling lithium ion battery handbag is drawn together: upper cover, cooling pipe, electric interfaces, batteries, lower box; Wherein, upper cover and lower box match, and are closed together on lower box, and the sidewall of upper cover is provided with pipe perforation; Cooling pipe is arranged in upper cover by pipe perforation, and two ends are positioned at outside upper cover; The sidewall of lower box is provided with electric interfaces; Batteries is installed in lower box; One end sealed electrical of electric interfaces connects batteries.Power brick is designed to the structure into being made up of the upper cover, lower box, cooling pipe, electric interfaces, batteries etc. of separable production and processing by the utility model, has the features such as radiating efficiency is high, barrier propterty good, be easy to production and assembly maintenance, cost is low.
Description
Technical field
The utility model relates to cell art, particularly, relates to a kind of sealing liquid cooling lithium ion battery bag.
Background technology
Power brick, as main energy-storage travelling wave tube electric automobile being mounted with battery pack, is the critical component of electric automobile, directly has influence on the performance of electric automobile.Lithium ion battery causes the advantages such as excellent power out-put characteristic and long-life, obtains applications well at present in batteries of electric automobile bag.
Because lithium ion battery generates reaction heat and Joule heat (being caused by the internal resistance of cell etc.) in charge and discharge process, battery own temperature in charge and discharge process can change, main manifestations is that temperature rises, and especially when big current, high-power operation, the rising of temperature can be more obvious.When battery temperature is too high, the performance of battery can decline, and when general battery temperature is for a long time more than 50 DEG C, its cycle performance will be affected, and the further rising of temperature may cause battery generation security incident.Therefore, in design lithium ionic cell module, the heat dissipation problem considering battery is needed.
Current electric automobile field mainly adopts air-cooled and liquid cooling two kinds of radiating modes.Air cooling way directly allows air pass battery pack to reach the object of heat radiation, and the advantage of this radiating mode is simplicity of design, safeguard easily, cost is lower, but shortcoming to be radiating efficiency low, high temperature or ice box inapplicable, be not easy to realize sealing.Liquid cooling mode is the object adopting the air of liquid and battery pack to carry out heat exchange to realize dispelling the heat, general needs are arranged heat transfer pipeline or are arranged chuck around cell between the cell of battery pack, heat transfer medium can adopt water, ethylene glycol etc., its advantage is that radiating efficiency is high, compact conformation, easily sealing, barrier propterty are good, but shortcoming be exist leakage may, design processing assembling is complicated, heat transfer pipeline and chuck etc. change trouble, maintenance cost is high.
Developing rapidly in recent years along with electric automobile market, also more and more higher to the requirement of battery heat dissipation technology, efficient, safety, low cost radiating mode becomes the important research developing direction of battery thermal management.
Utility model content
The main purpose of the utility model embodiment is to provide the lithium ion battery bag that a kind of radiating efficiency is high, barrier propterty good, be easy to production and assemble.
To achieve these goals, the utility model embodiment provides a kind of sealing liquid cooling lithium ion battery bag, comprising: upper cover, cooling pipe, electric interfaces, batteries, lower box; Wherein,
Described upper cover and described lower box match, and be closed together on described lower box, the sidewall of described upper cover is provided with pipe perforation;
Described cooling pipe is arranged in described upper cover by described pipe perforation, and two ends are positioned at outside described upper cover;
The sidewall of described lower box is provided with electric interfaces;
Described batteries is installed in described lower box;
One end sealed electrical of described electric interfaces connects described batteries.
By means of technique scheme, power brick is designed to the structure into being made up of the upper cover, lower box, cooling pipe, electric interfaces, batteries etc. of separable production and processing by the utility model, compared to prior art, the utility model has the features such as radiating efficiency is high, barrier propterty good, be easy to production and assembly maintenance, cost is low.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the generalized section of the sealing liquid cooling lithium ion battery bag that the utility model provides;
Fig. 2 is the flat cooling pipe schematic diagram that the utility model provides;
Fig. 3 is the sealing liquid cooling lithium ion battery bag schematic top plan view with S type cooling pipe that the utility model provides;
Fig. 4 is the sealing liquid cooling lithium ion battery bag schematic top plan view with double cooling pipe that the utility model provides.
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, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
The utility model provides a kind of sealing liquid cooling lithium ion battery bag, be illustrated in figure 1 the generalized section of sealing liquid cooling lithium ion battery bag, sealing liquid cooling lithium ion battery handbag is drawn together: upper cover 1, cooling pipe 2, electric interfaces 3, batteries 4, lower box 5.
Upper cover 1 and lower box 5 match, and be closed together on lower box 5, the sidewall of upper cover 1 is provided with pipe perforation 6; Cooling pipe 2 is arranged in upper cover 1 by pipe perforation 6, and two ends are positioned at outside upper cover 1, for transmitting cooling water or other cooling fluids (as ethylene glycol, oil, cold-producing medium etc.); The sidewall of lower box 5 is provided with electric interfaces 3; Batteries 4 is installed in lower box 5; One end sealed electrical of electric interfaces 3 connects batteries 4.
During concrete enforcement, the two ends of cooling pipe 2 can be connected with the coolant pipe of electric automobile, be respectively used to input and discharge cooling fluid, air in the cooling fluid of circulation input and upper cover 1 and lower box 5 carries out heat exchange, take away the heat that batteries 4 produces, for batteries 4 is lowered the temperature, normally work to maintain it.
In the utility model, the number of pipe perforation 6 and the number of cooling pipe 2 match, and in order to strengthen radiating effect, cooling pipe 2 can be flat cavity body structure as shown in Figure 2.
In addition, cooling pipe 2 it can also be arranged in the S-shaped setting of part of upper cover 1 as Suo Shi Fig. 3 (vertical view).
Except considering reinforcement radiating effect, for overcoming the problem that single cooling pipe reduces along liquid flow path direction radiating efficiency, as shown in Fig. 4 (vertical view), cooling pipe 2 of the present utility model can also be arranged in upper cover 1 in double (or arranging) more, and the liquid feeding end (in figure, IN represents) of adjacent cooling pipe 2, outlet end (in figure, OUT represents) are crisscross arranged, that is, to be adjacent the outlet end of cooling pipe 2 close for the liquid feeding end of each cooling pipe 2.
In order to improve sealing protection effect, ensure the safety of batteries 4, in the utility model, upper cover 1 and lower box 5 design are become the box-like design of seal cover, it specifically can have but be not limited to following several form:
(1) upper cover 1 is connected by buckle with lower box 5, and upper cover 1 is provided with caulking gum pad with the contact-making surface of lower box 5.
(2) upper cover 1 is connected by buckle with lower box 5, and upper cover 1 scribbles sealing colloid with the contact-making surface of lower box 5.
Wherein, upper cover 1 and lower box 5 can opening and fastening the dismounting and encapsulation that realize whole power brick easily by buckle, for the assembling of power brick, maintenance and element replacement provide conveniently.
The utility model is dispelled the heat to batteries by cooling fluid, its radiating efficiency is high, belong to liquid-cooling heat radiation mode, but due to all separable production and processing of structure and assemblings such as upper cover, lower box, cooling pipes, therefore compared to existing liquid-cooled power brick radiator structure, the utility model has structure and simplifies, assembles the advantages such as simple, maintenance cost is low, in addition, upper cover of the present utility model and lower box, for being tightly connected, have good barrier propterty.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiment of the utility model; and be not used in restriction protection range of the present utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (7)
1. seal a liquid cooling lithium ion battery bag, it is characterized in that, comprising: upper cover, cooling pipe, electric interfaces, batteries, lower box; Wherein,
Described upper cover and described lower box match, and be closed together on described lower box, the sidewall of described upper cover is provided with pipe perforation;
Described cooling pipe is arranged in described upper cover by described pipe perforation, and two ends are positioned at outside described upper cover;
The sidewall of described lower box is provided with electric interfaces;
Described batteries is installed in described lower box;
One end sealed electrical of described electric interfaces connects described batteries.
2. sealing liquid cooling lithium ion battery bag according to claim 1, it is characterized in that, described cooling pipe is flat.
3. sealing liquid cooling lithium ion battery bag according to claim 1, is characterized in that, described cooling pipe is arranged in the S-shaped setting of part of described upper cover.
4. sealing liquid cooling lithium ion battery bag according to claim 1, is characterized in that, described cooling pipe is that double or many rows are arranged in described upper cover, and the liquid feeding end of adjacent cooling pipe and outlet end are crisscross arranged.
5. sealing liquid cooling lithium ion battery bag according to claim 1, it is characterized in that, described upper cover is connected by buckle with described lower box.
6. sealing liquid cooling lithium ion battery bag according to claim 5, it is characterized in that, the contact-making surface of described upper cover and described lower box is provided with caulking gum pad.
7. sealing liquid cooling lithium ion battery bag according to claim 5, it is characterized in that, the contact-making surface of described upper cover and described lower box scribbles sealing colloid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420496888.8U CN204045697U (en) | 2014-08-29 | 2014-08-29 | A kind of sealing liquid cooling lithium ion battery bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420496888.8U CN204045697U (en) | 2014-08-29 | 2014-08-29 | A kind of sealing liquid cooling lithium ion battery bag |
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| Publication Number | Publication Date |
|---|---|
| CN204045697U true CN204045697U (en) | 2014-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420496888.8U Active CN204045697U (en) | 2014-08-29 | 2014-08-29 | A kind of sealing liquid cooling lithium ion battery bag |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104201435A (en) * | 2014-08-29 | 2014-12-10 | 普天新能源车辆技术有限公司 | Sealed liquid-cooling lithium ion battery pack |
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2014
- 2014-08-29 CN CN201420496888.8U patent/CN204045697U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104201435A (en) * | 2014-08-29 | 2014-12-10 | 普天新能源车辆技术有限公司 | Sealed liquid-cooling lithium ion battery pack |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |