CN108550751B - Lithium cell electronic box is stored to outdoor electric power - Google Patents
Lithium cell electronic box is stored to outdoor electric power Download PDFInfo
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- CN108550751B CN108550751B CN201810582716.5A CN201810582716A CN108550751B CN 108550751 B CN108550751 B CN 108550751B CN 201810582716 A CN201810582716 A CN 201810582716A CN 108550751 B CN108550751 B CN 108550751B
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- box body
- upper cover
- wire
- fixing frame
- lithium battery
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
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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 invention discloses an outdoor power storage lithium battery electric box which comprises a box body, an upper cover, a cornice, a cooling liquid pipe and a wire pipe, wherein the cornice is arranged on the box body; cooling liquid pipes are arranged on two sides of the box body, an upper cover is arranged above the box body, and a cornice is arranged on one side of the upper cover; a lower fixed frame is arranged on the inner surface of the bottom of the box body, an upper fixed frame and a wire connector are arranged at the bottom of the upper cover, and the wire connector is arranged on one side of the lower surface of the upper cover; a wire pipe is arranged on one side of the bottom of the upper cover; the inner surface of the bottom of the box body is provided with lower positioning holes which are arranged on the inner surface of the box body in a matrix manner; the bottom of one side of the lower fixing frame is provided with a lower lug, the lower lug is provided with an upper screw hole, the upper screw hole and the lower positioning hole are matched with the screw, and the lower lug is used for installing the lower fixing frame on the box body through the screw and the lower positioning hole; the lower fixing frames adjust the distance between the two lower fixing frames through lower positioning holes at different positions. The invention has the advantages of good heat dissipation, firm battery and strong waterproof property.
Description
Technical Field
The invention relates to an outdoor power storage lithium battery box, in particular to an outdoor power storage lithium battery box which has the advantages of good heat dissipation, firm battery and strong waterproofness.
Background
In recent years, green energy is vigorously advocated in the global scope, green batteries such as lithium batteries and super capacitors are put into production in the market in large quantity, the direction selected by various manufacturers is that the external package selects soft packages, and the soft package batteries have the advantages of low cost, randomly changeable external dimension, safety and the like.
The soft package lithium battery is only provided with a polymer shell on the liquid lithium ion battery. Structurally, the aluminum-plastic film is adopted for packaging, and the soft package battery can only blow and crack at most under the condition of potential safety hazard. The soft package lithium battery pack is formed by packaging several lithium batteries with polymer shells by aluminum plastic films side by side, and binding and fixing several groups of aluminum plastic films by using materials such as adhesive tapes and the like. A method for initially fixing a plurality of flexible package lithium batteries.
The soft-packing lithium cell group is binded together by many lithium cell packages, and calorific capacity is great, appears the problem of heat accumulation easily, and soft-packing battery group is put together and is not had external fixing device simultaneously, appears rocking easily. Therefore, it is very important to design a soft-packaged lithium battery pack with good heat dissipation and fixation.
Disclosure of Invention
The invention aims to provide an outdoor power storage lithium battery box which is good in heat dissipation, firm in battery and strong in waterproofness.
The purpose of the invention can be realized by the following technical scheme:
an outdoor power storage lithium battery electric box comprises a box body, an upper cover, a cornice, a cooling liquid pipe and a wire pipe;
cooling liquid pipes are arranged on two sides of the box body, an upper cover is arranged above the box body, and a cornice is arranged on one side of the upper cover; a lower fixed frame is arranged on the inner surface of the bottom of the box body, an upper fixed frame and a wire connector are arranged at the bottom of the upper cover, and the wire connector is arranged on one side of the lower surface of the upper cover; a wire pipe is arranged on one side of the bottom of the upper cover;
the inner surface of the bottom of the box body is provided with lower positioning holes which are arranged on the inner surface of the box body in a matrix manner; the bottom of one side of the lower fixing frame is provided with a lower lug, the lower lug is provided with an upper screw hole, the upper screw hole and the lower positioning hole are matched with the screw, and the lower lug is used for installing the lower fixing frame on the box body through the screw and the lower positioning hole; the lower fixed frames adjust the distance between the two lower fixed frames through lower positioning holes at different positions;
the wire connectors are parallel to two side edges of the box body; an external wire is arranged in the upper cover, one end of the external wire is connected with the wire connector, and the other end of the external wire penetrates out of the upper cover and penetrates into the wire tube; the external connection wire is divided into a discharge wire and a charging wire, and the discharge wire and the charging wire are respectively connected with an external discharge equipment end and a charging equipment end;
the lower surface of the upper cover is provided with upper positioning holes which are arranged in a matrix manner on the lower surface of the upper cover; the top of one side of the upper fixing frame is provided with an upper hanging lug, the upper hanging lug is provided with a lower screw hole, the lower screw hole and the upper positioning hole are matched with a screw, and the upper hanging lug is used for mounting the upper fixing frame at the bottom of the upper cover through the screw and the upper positioning hole; the upper fixing frames adjust the distance between the two upper fixing frames through upper positioning holes at different positions;
the cornice extends obliquely downwards along one side of the upper cover, and an included angle of 90-180 degrees is formed between the cornice and the upper cover;
the cooling liquid pipe comprises a liquid inlet pipe and a liquid outlet pipe, the liquid inlet pipe is positioned on the side wall of the box body on one side of the cornice, the liquid inlet pipe is positioned at the bottom of the side wall of the box body, and the liquid inlet pipe penetrates through the side wall of the box body; the liquid outlet pipe is positioned on the side wall of the other side of the box body, the liquid outlet pipe and the liquid inlet pipe are respectively positioned on the opposite side surfaces of the box body, the liquid outlet pipe is positioned on the top of the side wall of the box body, and the liquid outlet pipe penetrates through the side wall of the box body;
the lower fixing frames and the upper fixing frames are distributed at intervals in a staggered manner, and form a snake-shaped channel in the electric box;
a cavity is arranged in the lower fixing frame and matched with the flexible package lithium battery pack, and the flexible package lithium battery pack is arranged in the cavity of the lower fixing frame; a cavity matched with the flexible package lithium battery pack is arranged in the upper fixing frame, and a connecting wire of the flexible package lithium battery pack is connected to the wire connector;
the top of the wire pipe is arranged at the bottom of the upper cover, and the wire pipe is positioned outside the box body; the line pipe is vertical to the upper cover;
the working mode of the electric box comprises the following steps:
adjusting the distance between a lower fixing frame and an upper fixing frame according to the size and the heat dissipation capacity of the flexible package lithium battery pack through the positions of a lower positioning hole and an upper positioning hole, and respectively installing the lower fixing frame and the upper fixing frame on a box body and an upper cover;
secondly, the flexible package lithium battery pack is installed in the lower fixing frame and the upper fixing frame, a connecting wire of the flexible package lithium battery pack is connected to a wire connector, and an external wire of the wire connector penetrates through the upper cover and the wire pipe in sequence;
step three, covering the upper cover on the box body; the liquid inlet pipe and the liquid outlet pipe are respectively connected with the cooling liquid tank, and a liquid pump is arranged between the liquid inlet pipe and the cooling liquid tank; the liquid pump pumps cooling liquid into the electric box through the liquid inlet pipe, so that the cooling liquid is filled in the electric box through the snake-shaped channel and then returns to the cooling box through the liquid outlet pipe;
and step four, connecting the external wire to the charging equipment end and the discharging equipment end.
The invention provides an outdoor power storage lithium battery box which has the characteristics of good heat dissipation, firm battery and strong waterproof property. According to the invention, the flexible package lithium battery pack is arranged in the cavities of the lower fixing frame and the upper fixing frame, and the lower fixing frame and the upper fixing frame are respectively fixed in the electric box through the screws, the lower lugs, the upper lugs, the lower positioning holes and the upper positioning holes, so that the firmness is strong; the electric box is internally provided with a snake-shaped channel which is formed by a lower fixing frame and an upper fixing frame and a flexible package lithium battery pack which is respectively arranged in the lower fixing frame and the upper fixing frame, so that cooling liquid passes through the snake-shaped channel, the path through which the cooling liquid passes is prolonged, the flow speed is enhanced, the heat generated in the charging and discharging process of the flexible package lithium battery pack in the electric box is timely dissipated, and the environmental temperature required by the work of the flexible package lithium battery pack is ensured; according to the invention, through the design of the cornice and the wire pipe, rainwater is effectively prevented from wetting the electric box and flowing into the electric box through the external wire to cause short circuit of the electric box.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic structural diagram of an outdoor power storage lithium battery box according to the present invention;
FIG. 2 is a schematic cross-sectional view of an outdoor power storage lithium battery case according to the present invention;
fig. 3 is a cross-sectional structural view of an outdoor power storage lithium battery box according to the present invention.
Detailed Description
The purpose of the invention can be realized by the following technical scheme:
an outdoor power storage lithium battery box is shown in figures 1-3 and comprises a box body 1, an upper cover 2, a cornice 3, a cooling liquid pipe 4 and a line pipe 5;
the cooling liquid pipes 4 are arranged on two sides of the box body 1, the upper cover 2 is arranged above the box body 1, and the cornice 3 is arranged on one side of the upper cover 2; the inner surface of the bottom of the box body 1 is provided with a lower fixed frame 11, the bottom of the upper cover 2 is provided with an upper fixed frame 21 and a wire connector 22, and the wire connector 22 is arranged on one side of the lower surface of the upper cover 2; a line pipe 5 is arranged on one side of the bottom of the upper cover 2;
the inner surface of the bottom of the box body 1 is provided with lower positioning holes 13, and the lower positioning holes 13 are arranged on the inner surface of the box body 1 in a matrix manner; the bottom of one side of the lower fixing frame 11 is provided with a lower hanging lug 12, the lower hanging lug 12 is provided with an upper screw hole, the upper screw hole and a lower positioning hole 13 are matched with screws, and the lower hanging lug 12 is used for installing the lower fixing frame 11 on the box body 1 through the screws and the lower positioning hole 13; the lower fixed frames 11 adjust the distance between the two lower fixed frames 11 through lower positioning holes 13 at different positions;
the wire connectors 22 are parallel to two side edges of the box body 1; an external wire is arranged in the upper cover 2, one end of the external wire is connected with the wire connector 22, and the other end of the external wire penetrates out of the upper cover 2 and penetrates into the wire pipe 5; the external connection wire is divided into a discharge wire and a charging wire, and the discharge wire and the charging wire are respectively connected with an external discharge equipment end and a charging equipment end;
the lower surface of the upper cover 2 is provided with upper positioning holes 24, and the upper positioning holes 24 are arranged on the lower surface of the upper cover 2 in a matrix manner; an upper hanging lug 23 is arranged at the top of one side of the upper fixing frame 21, a lower screw hole is formed in the upper hanging lug 23, the lower screw hole and the upper positioning hole 24 are matched with screws, and the upper hanging lug 23 is used for mounting the upper fixing frame 21 at the bottom of the upper cover 2 through the screws and the upper positioning hole 24; the upper fixing frames 21 adjust the distance between the two upper fixing frames 21 through upper positioning holes 24 at different positions;
the cornice 3 extends downwards along one side of the upper cover 2 in an inclined mode, and an included angle of 90-180 degrees is formed between the cornice 3 and the upper cover 2;
the cooling liquid pipe 4 comprises a liquid inlet pipe 41 and a liquid outlet pipe 42, the liquid inlet pipe 41 is positioned on the side wall of the box body 1 on one side of the cornice 3, the liquid inlet pipe 41 is positioned at the bottom of the side wall of the box body 1, and the liquid inlet pipe 41 penetrates through the side wall of the box body 1; the liquid outlet pipe 42 is positioned on the side wall of the other side of the box body 1, the liquid outlet pipe 42 and the liquid inlet pipe 41 are respectively positioned on the opposite side surfaces of the box body 1, the liquid outlet pipe 42 is positioned on the top of the side wall of the box body 1, and the liquid outlet pipe 42 penetrates through the side wall of the box body 1; the cooling liquid is driven by a liquid pump arranged outside the electric box, flows into the electric box from a liquid inlet pipe 41 and flows out from a liquid outlet pipe 42; when the cooling liquid flows through the electric box, the cooling liquid brings heat generated in the charging and discharging process of the lithium battery in the electric box out, the low ambient temperature of the lithium battery in the electric box is kept, and the lithium battery in the electric box is ensured to have high-efficiency charging and discharging;
the lower fixed frames 11 and the upper fixed frames 21 are distributed at intervals in a staggered manner, and the lower fixed frames 11 and the upper fixed frames 21 form a snake-shaped channel inside the electric box;
a cavity is arranged in the lower fixing frame 11 and matched with the flexible package lithium battery pack, and the flexible package lithium battery pack is arranged in the cavity of the lower fixing frame 11; a cavity matched with the flexible package lithium battery pack is arranged in the upper fixing frame 21, and a connecting wire of the flexible package lithium battery pack is connected to the wire connector 22;
the top of the wire pipe 5 is arranged at the bottom of the upper cover, and the wire pipe 5 is positioned outside the box body 1; the line pipe 5 is vertical to the upper cover 2;
the working mode of the electric box comprises the following steps:
firstly, adjusting the distance between a lower fixing frame 11 and an upper fixing frame 21 according to the size and the heat dissipation capacity of the flexible package lithium battery pack through the positions of a lower positioning hole 13 and an upper positioning hole 24, and respectively installing the lower fixing frame 11 and the upper fixing frame 21 on a box body 1 and an upper cover 2;
secondly, the flexible package lithium battery pack is installed in the lower fixing frame 11 and the upper fixing frame 21, a connecting wire of the flexible package lithium battery pack is connected to the wire connector 22, and an external wire of the wire connector 22 penetrates through the upper cover 2 and the wire pipe 5 in sequence;
step three, covering the upper cover 2 on the box body 1; the liquid inlet pipe 41 and the liquid outlet pipe 42 are respectively connected with the cooling liquid tank, and a liquid pump is arranged between the liquid inlet pipe 41 and the cooling liquid tank; the liquid pump pumps cooling liquid into the electric box through the liquid inlet pipe 41, so that the cooling liquid is filled in the electric box through the serpentine channel and then returns to the cooling box through the liquid outlet pipe 42;
and step four, connecting the external wire to the charging equipment end and the discharging equipment end.
The invention provides an outdoor power storage lithium battery box which has the characteristics of good heat dissipation, firm battery and strong waterproof property. According to the invention, the flexible package lithium battery pack is arranged in the cavities of the lower fixing frame and the upper fixing frame, and the lower fixing frame and the upper fixing frame are respectively fixed in the electric box through the screws, the lower lugs, the upper lugs, the lower positioning holes and the upper positioning holes, so that the firmness is strong; the electric box is internally provided with a snake-shaped channel which is formed by a lower fixing frame and an upper fixing frame and a flexible package lithium battery pack which is respectively arranged in the lower fixing frame and the upper fixing frame, so that cooling liquid passes through the snake-shaped channel, the path through which the cooling liquid passes is prolonged, the flow speed is enhanced, the heat generated in the charging and discharging process of the flexible package lithium battery pack in the electric box is timely dissipated, and the environmental temperature required by the work of the flexible package lithium battery pack is ensured; according to the invention, through the design of the cornice and the wire pipe, rainwater is effectively prevented from wetting the electric box and flowing into the electric box through the external wire to cause short circuit of the electric box.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.
Claims (6)
1. The utility model provides an outdoor electric power storage lithium cell electronic box, includes box (1), upper cover (2), eaves mouth (3), coolant liquid pipe (4), spool (5), its characterized in that:
cooling liquid pipes (4) are arranged on two sides of the box body (1), an upper cover (2) is arranged above the box body (1), and a cornice (3) is arranged on one side of the upper cover (2); a lower fixed frame (11) is installed on the inner surface of the bottom of the box body (1), an upper fixed frame (21) and a wire connector (22) are installed at the bottom of the upper cover (2), and the wire connector (22) is arranged on one side of the lower surface of the upper cover (2); a line pipe (5) is arranged on one side of the bottom of the upper cover (2);
the inner surface of the bottom of the box body (1) is provided with lower positioning holes (13), and the lower positioning holes (13) are arranged on the inner surface of the box body (1) in a matrix manner; a lower hanging lug (12) is arranged at the bottom of one side of the lower fixing frame (11), an upper screw hole is formed in the lower hanging lug (12), the upper screw hole and a lower positioning hole (13) are matched with a screw, and the lower hanging lug (12) is used for installing the lower fixing frame (11) on the box body (1) through the screw and the lower positioning hole (13); the lower fixed frames (11) adjust the distance between the two lower fixed frames (11) through lower positioning holes (13) at different positions;
the lower surface of the upper cover (2) is provided with upper positioning holes (24), and the upper positioning holes (24) are arranged on the lower surface of the upper cover (2) in a matrix manner; an upper hanging lug (23) is arranged at the top of one side of the upper fixing frame (21), a lower screw hole is formed in the upper hanging lug (23), the lower screw hole and the upper positioning hole (24) are matched with a screw, and the upper hanging lug (23) is used for installing the upper fixing frame (21) at the bottom of the upper cover (2) through the screw and the upper positioning hole (24); the upper fixing frames (21) adjust the distance between the two upper fixing frames (21) through upper positioning holes (24) at different positions;
the cooling liquid pipe (4) comprises a liquid inlet pipe (41) and a liquid outlet pipe (42), the liquid inlet pipe (41) is positioned on the side wall of the box body (1) on one side of the cornice (3), the liquid inlet pipe (41) is positioned at the bottom of the side wall of the box body (1), and the liquid inlet pipe (41) penetrates through the side wall of the box body (1); the liquid outlet pipe (42) is positioned on the side wall of the other side of the box body (1), the liquid outlet pipe (42) and the liquid inlet pipe (41) are respectively positioned on the opposite side surfaces of the box body (1), the liquid outlet pipe (42) is positioned on the top of the side wall of the box body (1), and the liquid outlet pipe (42) penetrates through the side wall of the box body (1);
the working mode of the electric box comprises the following steps:
firstly, adjusting the distance between a lower fixing frame (11) and an upper fixing frame (21) according to the size and the heat dissipation capacity of the flexible package lithium battery pack through the positions of a lower positioning hole (13) and an upper positioning hole (24), and respectively installing the lower fixing frame (11) and the upper fixing frame (21) on a box body (1) and an upper cover (2);
secondly, the flexible package lithium battery pack is installed in a lower fixing frame (11) and an upper fixing frame (21), a connecting wire of the flexible package lithium battery pack is connected to a wire connector (22), and an external wire of the wire connector (22) penetrates through an upper cover (2) and a wire pipe (5) in sequence;
step three, covering the upper cover (2) on the box body (1); the liquid inlet pipe (41) and the liquid outlet pipe (42) are respectively connected with the cooling liquid tank, and a liquid pump is arranged between the liquid inlet pipe (41) and the cooling liquid tank; the liquid pump pumps cooling liquid into the electric box through a liquid inlet pipe (41), so that the cooling liquid is filled in the electric box through a serpentine channel and then returns to the cooling box through a liquid outlet pipe (42);
and step four, connecting the external wire to the charging equipment end and the discharging equipment end.
2. An outdoor power storage lithium battery box according to claim 1, characterized in that the connectors (22) are parallel to two sides of the box body (1); an external wire is arranged in the upper cover (2), one end of the external wire is connected with the wire connector (22), and the other end of the external wire penetrates out of the upper cover (2) and penetrates into the wire pipe (5); the external connection is divided into a discharge wire and a charging wire, and the discharge wire and the charging wire are respectively connected with an external discharge device end and a charging device end.
3. An outdoor power storage lithium battery box according to claim 1, characterized in that the cornice (3) extends obliquely downward along one side of the upper cover (2), and the cornice (3) forms an angle of 90-180 ° with the upper cover (2).
4. An outdoor power storage lithium battery box according to claim 1, characterized in that the lower fixing frames (11) and the upper fixing frames (21) are distributed in a staggered manner at intervals, and the lower fixing frames (11) and the upper fixing frames (21) form a meandering channel inside the box.
5. An outdoor power storage lithium battery box according to claim 1, characterized in that a cavity is arranged in the lower fixing frame (11), the cavity is matched with a flexible package lithium battery pack, and the flexible package lithium battery pack is arranged in the cavity of the lower fixing frame (11); a cavity matched with the flexible package lithium battery pack is arranged in the upper fixing frame (21), and a connecting wire of the flexible package lithium battery pack is connected to the wire connector (22).
6. An outdoor power storage lithium battery box according to claim 1, characterized in that the top of the wire tube (5) is installed at the bottom of the upper cover, the wire tube (5) is located outside the box body (1); the line pipe (5) is vertical to the upper cover (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810582716.5A CN108550751B (en) | 2018-06-07 | 2018-06-07 | Lithium cell electronic box is stored to outdoor electric power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810582716.5A CN108550751B (en) | 2018-06-07 | 2018-06-07 | Lithium cell electronic box is stored to outdoor electric power |
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| Publication Number | Publication Date |
|---|---|
| CN108550751A CN108550751A (en) | 2018-09-18 |
| CN108550751B true CN108550751B (en) | 2020-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810582716.5A Active CN108550751B (en) | 2018-06-07 | 2018-06-07 | Lithium cell electronic box is stored to outdoor electric power |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110418523A (en) * | 2019-08-05 | 2019-11-05 | 亚萨合莱国强（山东）五金科技有限公司 | A kind of electric window-opening machine control cabinet of dust-proof high temperature-proof |
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|---|---|---|---|---|
| CN102324591A (en) * | 2011-08-12 | 2012-01-18 | 东莞市龙行航空科技有限公司 | Constant temperature control battery pack |
| CN102473884A (en) * | 2009-09-18 | 2012-05-23 | 松下电器产业株式会社 | Battery module |
| CN103811684A (en) * | 2014-02-18 | 2014-05-21 | 安徽江淮汽车股份有限公司 | Battery pack box body |
| CN206524392U (en) * | 2017-03-17 | 2017-09-26 | 辽宁机电职业技术学院 | A kind of electric automobile power battery cooling device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7195840B2 (en) * | 2001-07-13 | 2007-03-27 | Kaun Thomas D | Cell structure for electrochemical devices and method of making same |
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2018
- 2018-06-07 CN CN201810582716.5A patent/CN108550751B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102473884A (en) * | 2009-09-18 | 2012-05-23 | 松下电器产业株式会社 | Battery module |
| CN102324591A (en) * | 2011-08-12 | 2012-01-18 | 东莞市龙行航空科技有限公司 | Constant temperature control battery pack |
| CN103811684A (en) * | 2014-02-18 | 2014-05-21 | 安徽江淮汽车股份有限公司 | Battery pack box body |
| CN206524392U (en) * | 2017-03-17 | 2017-09-26 | 辽宁机电职业技术学院 | A kind of electric automobile power battery cooling device |
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