CN112201887B - External battery package cooling system of liquid cooling pipeline - Google Patents
External battery package cooling system of liquid cooling pipeline Download PDFInfo
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- CN112201887B CN112201887B CN202010941027.6A CN202010941027A CN112201887B CN 112201887 B CN112201887 B CN 112201887B CN 202010941027 A CN202010941027 A CN 202010941027A CN 112201887 B CN112201887 B CN 112201887B
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- liquid
- liquid outlet
- liquid inlet
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6554—Rods or plates
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
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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 relates to a battery pack cooling system with an external liquid cooling pipeline, which belongs to the technical field of power batteries and comprises a shell, a plurality of battery modules, a plurality of liquid cooling plates and a cooling pipeline, wherein the liquid cooling plates are all installed in the shell, each liquid cooling plate is provided with the battery module, the shell is provided with a plurality of first openings, a first liquid inlet and a first liquid outlet on the liquid cooling plates are positioned at the corresponding first openings, the cooling pipeline is installed outside the shell and comprises a liquid inlet pipe and a liquid outlet pipe, the liquid inlet pipe is communicated with the liquid inlet pipe, and the liquid outlet pipe is communicated with the liquid outlet pipe. Through setting up cooling pipeline outside the casing, avoided cooling pipeline to damage the safety problem that leaks and cause the battery module generation circuit short circuit of casing inside, in addition, set up cooling pipeline outside the casing can also increase the inside space of casing, with the inside space that originally installs cooling pipeline occupied of casing be used for increasing battery module to the inside volume energy density of power battery has been improved.
Description
Technical Field
The invention belongs to the technical field of power batteries, and particularly relates to a power battery pack liquid cooling system.
Background
The power battery on the new energy automobile is the power source of the automobile, and the power battery can generate heat in the discharging process and the charging process, so that the power battery needs to be cooled.
Most of the existing cooling systems are provided with liquid cooling plates and liquid cooling pipelines connected with the liquid cooling plates inside a battery pack, the battery pack with the structure needs to reserve a certain space for the liquid cooling pipelines, the battery pack with the structure occupies a certain space inside the battery pack due to the liquid cooling pipelines, the volume energy density inside the battery pack is low, and if the liquid cooling pipelines leak, the internal circuit is easy to be short-circuited, so that the safety problem occurs.
Disclosure of Invention
In view of the above, the present invention aims to overcome the shortcomings of the prior art, and provides a solution to the technical problems in the prior art.
The invention is realized by the following technical scheme:
a battery pack cooling system with an external liquid cooling pipeline, comprising:
a shell, a plurality of first openings are arranged on the shell,
a plurality of battery modules, a plurality of battery modules are all arranged in the shell,
a plurality of liquid cooling plates, a plurality of liquid cooling plates are all installed in the shell, each liquid cooling plate is provided with a battery module, the liquid cooling plates are provided with a first liquid inlet and a first liquid outlet, the first liquid inlet and the first liquid outlet are positioned at the corresponding first opening,
the cooling pipeline comprises a liquid inlet pipe and a liquid outlet pipe, wherein the liquid inlet pipe and the liquid outlet pipe are both arranged outside the shell, a plurality of liquid inlets are communicated with the liquid inlet pipe, and a plurality of liquid outlets are communicated with the liquid outlet pipe.
Optionally, in order to better implement the present invention, the liquid cooling plate is provided with a first pipe joint, and the first pipe joint includes a first bottom plate, and the first liquid inlet and the first liquid outlet are disposed on the bottom plate.
Optionally, in order to better implement the present invention, the cooling pipe is provided with a plurality of second pipe joints, the second pipe joints include a second bottom plate, and a second liquid inlet and a second liquid outlet which are arranged on the second bottom plate, the second liquid inlet is communicated with the liquid inlet pipe, the second liquid outlet is communicated with the liquid outlet pipe, the first liquid inlet is detachably connected with the second liquid inlet, and the first liquid outlet is detachably connected with the second liquid outlet.
Optionally, in order to better realize the invention, the first liquid inlet is spliced with the second liquid inlet and sealed by a first sealing ring, and the first liquid outlet is spliced with the second liquid outlet and sealed by a first sealing ring.
Optionally, in order to better realize the present invention, the first bottom plate is provided with a first threaded hole, the second bottom plate is provided with a first through hole adapted to the first threaded hole, and the first bottom plate and the second bottom plate are fixedly connected by threaded connection of a bolt through the first through hole and the first threaded hole.
Optionally, in order to better realize the present invention, the first bottom plate is provided with a first boss, the first liquid inlet, the first liquid outlet and the first threaded hole are all located on the first boss, the second bottom plate is provided with a first groove matched with the first boss, the second liquid inlet, the second liquid outlet and the first via hole are all located at the bottom of the first groove, and when the first liquid inlet is inserted into the second liquid inlet, and the first liquid outlet is inserted into the second liquid outlet, the first boss is inserted into the first groove.
Optionally, in order to better implement the present invention, a second sealing ring is further included, and the second sealing ring is sleeved on the first boss.
Alternatively, to better implement the invention: still include the protective sheath, the protective sheath includes first end, second end and runs through the protective sheath opening of first end and second end, the first end of protective sheath be equipped with the second recess of second sealing washer looks adaptation, protective sheath opening and second bottom plate looks adaptation, the first end of protective sheath with first bottom plate is connected, the second end of protective sheath with shells inner wall is connected.
Optionally, in order to better implement the present invention, the housing includes a lower housing, a plurality of battery accommodating chambers are provided on the lower housing, the battery module is installed in the battery accommodating chambers and the liquid cooling plate is pressed between the battery module and the bottom of the accommodating chambers, and the first opening is provided on the lower housing.
Optionally, in order to better implement the present invention, an insulation component is disposed at an end of the liquid cooling plate near the bottom of the battery accommodating cavity.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the battery module and the liquid cooling plate are arranged inside the shell, the cooling pipeline is arranged outside the shell, the first opening is formed in the shell, so that the first liquid inlet and the first liquid outlet of the liquid cooling plate are positioned at the first opening, the first liquid inlet on the liquid cooling plate is communicated with the liquid inlet pipe on the cooling pipeline through the first opening, and the first liquid outlet on the liquid cooling plate is communicated with the liquid outlet pipe on the cooling pipeline, so that the safety problem of circuit short circuit of the battery module inside the shell caused by damage and leakage of the cooling pipeline is avoided.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an exploded view of a battery pack liquid cooling system;
FIG. 2 is a schematic diagram of a liquid cooling plate;
FIG. 3 is an enlarged view of a portion of FIG. 2;
FIG. 4 is a schematic view of the structure of the first pipe joint in the liquid cooling plate;
FIG. 5 is a schematic diagram of a second seal ring in the liquid cooling plate;
FIG. 6 is a schematic view of the structure of the protective cover in the liquid cooling plate;
FIG. 7 is a schematic diagram of a cooling circuit configuration;
FIG. 8 is a schematic view of the construction of a second coupling in the cooling circuit;
fig. 9 is a schematic structural view of the lower case;
fig. 10 is a schematic view of the assembly of the cooling circuit with the lower housing.
In the figure: 1-a battery module; 2-liquid cooling plate; 21-a third via; 22-an insulation assembly; 201-a first pipe joint; 202-a second sealing ring; 2021-bump; 2022-second seal ring opening; 203-a protective sleeve; 2031-a second end; 2032-a protective sleeve opening; 2033-a first end; 2011-a first liquid inlet; 2012-a first liquid outlet; 2013-a first bolt hole; 2014-a first backplane; 2015-first boss; 3-a lower housing; 31-a first opening; 32-second screw holes; 310-a fixed point a; 311-fixed point b; 312-fixed point c; 313-a fixed point d; 314-fixed point e; 315-a fixed point f; 316-fixed point g; 317-fixed point h; 4-a cooling pipeline; 41-a second pipe joint; 411-second liquid inlet; 412-a second outlet; 413-a second bottom plate; 42-bolts; 43-first groove; 44-first sealing ring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, based on the examples herein, which are within the scope of the invention as defined by the claims, will be within the scope of the invention as defined by the claims.
Example 1:
as shown in fig. 1, a battery pack cooling system with an external liquid cooling pipeline comprises a shell, a plurality of first openings 31 are formed in the shell, a plurality of liquid cooling plates 2 are arranged in the shell, a group of battery modules 1 are arranged on each liquid cooling plate 2, a first liquid inlet 2011 and a first liquid outlet 2012 are formed in each liquid cooling plate 2, the first liquid inlet 2011 and the first liquid outlet 2012 are close to each other, the first liquid inlet 2011 and the first liquid outlet 2012 on each liquid cooling plate 2 are arranged at one first opening 31, and the number of the liquid cooling plates 2 is the same as that of the first openings 31. Install cooling pipeline 4 on the outer wall of casing, cooling pipeline 4 includes feed liquor pipe, drain pipe, and a plurality of first feed liquor mouthful 2011 communicate with the feed liquor pipe in first opening 31 department, and a plurality of first drain holes 2012 communicate with the drain pipe in first opening 31 department. The shell, the liquid cooling plate 2, the battery module 1 and the cooling pipeline 4 jointly form the power battery, and the cooling pipeline 4 is arranged on the outer wall of the shell, so that the space occupied by the cooling pipeline 4 originally installed inside the shell can be used for increasing the battery module 1, the volume energy density inside the power battery is improved, the cruising ability of a vehicle is improved, and the safety problem that the battery module 1 inside the shell is short-circuited due to the fact that the cooling pipeline 4 is damaged and leaked can be avoided.
The liquid inlet pipe and the liquid outlet pipe are fixed on the surface of the shell through pipe clamps or welding or the mode that welding support legs are connected with the shell through bolts. The liquid inlet pipe and the liquid outlet pipe are arranged along the surface of the shell, and when the shell is provided with a bending part, the liquid inlet pipe and the liquid outlet pipe are correspondingly bent.
As shown in fig. 2 and 3, the liquid cooling plate 2 is provided with a first pipe joint 201, the first pipe joint 201 includes a first bottom plate 2014, a first liquid inlet 2011 and a first liquid outlet 2012 which are disposed on the bottom plate, the first bottom plate 2014 is welded on the liquid cooling plate 2, and the first liquid inlet 2011 and the first liquid outlet 2012 on the first bottom plate 2014 are opposite to the first opening 31. So as to connect the cooling circuit 4 with the first pipe connection 201 outside the housing.
As shown in fig. 8, a plurality of second pipe joints 41 are disposed on the cooling pipeline 4, each second pipe joint 41 includes a second bottom plate 413, a second liquid inlet 411 and a second liquid outlet 412 disposed on the second bottom plate 413, the second liquid inlets 411 on the plurality of second pipe joints 41 are all communicated with the liquid inlet pipe, the second liquid outlets 412 on the plurality of second pipe joints 41 are all communicated with the liquid outlet pipe, the first liquid inlet 2011 is detachably connected with the second liquid inlet 411, and the first liquid outlet 2012 is detachably connected with the second liquid outlet 412. Of course, the first liquid inlet 2011 and the second liquid inlet 411, and the first liquid outlet 2012 and the second liquid outlet 412 may be fixedly connected by welding. The first opening 31 in the housing is adapted to the second floor 413 to facilitate passage of the second pipe joint 41 through the first opening 31.
As shown in fig. 4 and 8, the first liquid inlet 2011 and the first liquid outlet 2012 are protruding on the surface of the first bottom plate 2014 to form a pipe fitting, and the second liquid inlet 411 and the second liquid outlet 412 are recessed on the surface of the second bottom plate 413 to form a hole fitting adapted to the pipe fitting. The distance between the first liquid inlet 2011 and the first liquid outlet 2012 is equal to the distance between the second liquid inlet 411 and the second liquid outlet 412. When the first pipe joint 201 is connected to the second pipe joint 41, the first liquid inlet 2011 and the second liquid inlet 411 are connected to each other, and the first liquid outlet 2012 and the second liquid outlet 412 are connected to each other. The surface of the pipe fitting is provided with a first sealing ring 44 or the inner wall of the hole piece is provided with the first sealing ring 44, so that the first liquid inlet 2011 and the second liquid inlet 411 and the first liquid outlet 2012 and the second liquid outlet 412 can be in sealing connection through the first sealing ring 44 when in plug connection, and the leakage of cooling liquid is prevented.
Of course, in the actual manufacturing process, the first liquid inlet 2011 and the first liquid outlet 2012 may be concavely disposed on the surface of the first bottom plate 2014 to form a hole member, and the second liquid inlet 411 and the second liquid outlet 412 may be convexly disposed on the second bottom plate 413 to form a pipe fitting adapted to the hole member, so as to achieve plugging between the first liquid inlet 2011 and the second liquid inlet 411 and plugging between the first liquid outlet 2012 and the second liquid outlet 412. In addition, the pipe fitting can be a conical pipe or a straight pipe, and correspondingly, when the pipe fitting is a conical pipe, the hole part is a conical hole, and when the pipe fitting is a straight pipe, the hole part is a straight hole. The connection between the first liquid inlet 2011 and the second liquid inlet 411 and the connection between the first liquid outlet 2012 and the second liquid outlet 412 can also be a quick release pipe joint connection.
As shown in fig. 4, a first bolt hole 2013 is formed in the first bottom plate 2014, as shown in fig. 8, a first through hole matched with the first bolt hole 2013 is formed in the second bottom plate 413, and the bolt 42 passes through the first through hole and is in threaded connection with the first bolt hole 2013 to fixedly connect the first bottom plate 2014 with the second bottom plate 413, so that loosening or detachment of connection between the first liquid inlet 2011 and the second liquid inlet 411 and loosening or detachment of connection between the first liquid outlet 2012 and the second liquid outlet 412 are prevented.
As shown in fig. 4, a first boss 2015 is disposed on the first bottom plate 2014, and the first liquid inlet 2011 and the first liquid outlet 2012 are both disposed on the first boss 2015. As shown in fig. 8, the second bottom plate 413 is provided with a first groove 43 adapted to the first boss 2015, and the second liquid inlet 411 and the second liquid outlet 412 are both located at the bottom of the first groove 43. When the first liquid inlet 2011 is plugged with the second liquid inlet 411, and the first liquid outlet 2012 is plugged with the second liquid outlet 412, the first boss 2015 is plugged with the first groove 43, so that the first liquid inlet 2011, the second liquid inlet 411, the first liquid outlet 2012 and the second liquid outlet 412 are sealed in the first groove 43, and deformation caused by external collision is avoided.
As shown in fig. 3, the first bottom plate 2014 is further provided with a second sealing ring 202, as shown in fig. 5, the second sealing ring 202 is sleeved on the first boss 2015 and is attached to the first bottom plate 2014, that is, the second sealing ring opening 2022 is matched with the outline of the outer wall of the first boss 2015, when the first boss 2015 is inserted into the first groove 43, the first bottom plate 2014 and the second bottom plate 413 compress the second sealing ring 202, and the second sealing ring 202 seals the first bottom plate 2014 and the second bottom plate 413, and further or is fixed in the first groove 43.
As shown in fig. 2, the first bottom plate 2014 is further provided with a protective sleeve 203, the structure of the protective sleeve 203 is shown in fig. 6, the protective sleeve 203 includes a first end 2033, a second end 2031, and a protective sleeve opening 2032 penetrating through the first end 2033 and the second end 2031, the first end 2033 of the protective sleeve 203 is provided with a second groove adapted to the second sealing ring 202, and the protective sleeve opening 2032 is adapted to the outline of the outer wall of the second bottom plate 413. When installed, the first end 2033 of the protective sleeve 203 is connected to the first bottom plate 2014 and the second seal ring 202 is positioned in the second groove, so that the protective sleeve 203 protects the second seal ring 202 in the second groove, reduces damage to the second seal ring 202, and connects the second end 2031 of the protective sleeve 203 to the inner wall of the housing. When the first pipe joint 201 is connected with the second pipe joint 41, the second pipe joint 41 sequentially passes through the first opening 31 and the protective sleeve opening 2032 on the shell and then is connected with the first pipe joint 201, and the second sealing ring 202 is pressed and fixed by the second bottom plate 413 of the second pipe joint 41 and the first bottom plate 2014 of the first pipe joint 201.
As shown in fig. 1 and 10, a plurality of battery accommodating cavities are arranged on the lower shell 3, a plurality of second through holes are distributed on the side wall of the battery module 1, a plurality of third through holes 21 matched with the second through holes are arranged on the side wall of the liquid cooling plate 2, a plurality of second bolt holes corresponding to the second through holes are arranged at the bottom of the battery accommodating cavities, the battery module 1 is arranged in the battery accommodating cavities, the liquid cooling plate 2 is pressed between the battery module 1 and the cavity bottom of the accommodating cavities through threaded connection of bolts sequentially penetrating through the second through holes and the third through holes 21 and the second bolt holes, the working end face of the liquid cooling plate 2 is in contact with the bottom surface of the battery module 1, so that the liquid cooling plate 2 can cool the battery module 1, the first opening 31 is arranged on the shell bottom plate, and when the liquid cooling plate 2 is pressed into the battery accommodating cavities, the first pipe joint 201 on the liquid cooling plate 2 is positioned at the first opening 31.
As shown in fig. 7, 9 and 10, the outer side wall of the lower housing 3 is provided with a plurality of fixing points, namely a fixing point a310, a fixing point b311, a fixing point c312, a fixing point d313, a fixing point e314, a fixing point f315, a fixing point g316 and a fixing point h317, wherein the fixing points are respectively provided with a first mounting through hole, the pipe body of the liquid inlet pipe and the pipe body of the liquid outlet pipe are fixedly connected together, the cooling pipeline 4 is provided with a plurality of mounting support plates matched with the fixing points, the mounting support plates are provided with second mounting through holes, and the cooling pipeline 4 is fixed on the housing through the fixing points a310, the fixing point b311, the fixing point c312, the fixing point d313, the fixing point e314, the fixing point f315, the fixing point g316 and the fixing point h317 after sequentially penetrating through the first mounting through holes and the second mounting through holes through bolts.
As shown in fig. 2, the end of the liquid cooling plate 2 near the bottom of the battery accommodating cavity is provided with a heat insulation component 22, the heat insulation component 22 is used for preventing the liquid cooling plate 2 from transferring heat to the shell, the heat insulation component 22 comprises a heat insulation plate and heat insulation foam, the heat insulation foam is adhered to the liquid cooling plate 2, and the heat insulation plate is adhered to the heat insulation foam.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. The utility model provides an external battery package cooling system of liquid cooling pipeline which characterized in that includes:
the shell is provided with a plurality of first openings;
the battery modules are arranged in the shell;
the liquid cooling plates are arranged in the shell, each liquid cooling plate is provided with a first liquid inlet and a first liquid outlet which are close to each other, the first liquid inlet and the first liquid outlet are positioned at the same corresponding first opening, the liquid cooling plates are provided with first pipe joints, each first pipe joint comprises a first bottom plate, the first liquid inlet and the first liquid outlet which are arranged on the bottom plate, and the first bottom plate is provided with first threaded holes;
the cooling pipeline comprises a liquid inlet pipe, a liquid outlet pipe and a plurality of second pipe joints, wherein the liquid inlet pipe and the liquid outlet pipe are arranged outside the shell, the liquid inlet pipes are communicated with the liquid inlet pipe, the liquid outlet pipes are communicated with the liquid outlet pipe, the second pipe joints comprise a second bottom plate, a second liquid inlet and a second liquid outlet which are arranged on the second bottom plate, the second liquid inlet is communicated with the liquid inlet pipe, the second liquid outlet is communicated with the liquid outlet pipe, the first liquid inlet is spliced with the second liquid inlet and is sealed through a first sealing ring, the first liquid outlet is spliced with the second liquid outlet and is sealed through the first sealing ring, a first through hole matched with a first threaded hole is formed in the second bottom plate, and a bolt penetrates through the first through hole and then is in threaded connection with the first threaded hole to fixedly connect the first bottom plate with the second bottom plate;
wherein the pipe bodies of the liquid inlet pipe and the liquid outlet pipe are fixedly connected together; the second pipe joint passes through the first opening and is connected with the first pipe joint.
2. The battery pack cooling system with an external liquid cooling pipeline according to claim 1, wherein: the first base plate is provided with a first boss, the first liquid inlet, the first liquid outlet and the first threaded hole are all located on the first boss, the second base plate is provided with a first groove matched with the first boss, the second liquid inlet, the second liquid outlet and the first through hole are all located at the bottom of the first groove, and when the first liquid inlet is inserted with the second liquid inlet and the first liquid outlet is inserted with the second liquid outlet, the first boss is inserted with the first groove.
3. The battery pack cooling system with an external liquid cooling pipeline as claimed in claim 2, wherein: the sealing device further comprises a second sealing ring, and the second sealing ring is sleeved on the first boss.
4. The battery pack cooling system with an external liquid cooling pipeline according to claim 3, wherein: still include the protective sheath, the protective sheath includes first end, second end and runs through the protective sheath opening of first end and second end, the first end of protective sheath be equipped with the second recess of second sealing washer looks adaptation, protective sheath opening and second bottom plate looks adaptation, the first end of protective sheath with first bottom plate is connected, the second end of protective sheath with shells inner wall is connected.
5. The battery pack cooling system with an external liquid cooling pipeline according to any one of claims 1-4, wherein: the shell comprises a lower shell body, a plurality of battery accommodating cavities are formed in the lower shell body, the battery module is arranged in the battery accommodating cavities and is pressed between the battery module and the bottom of the accommodating cavities, and the first opening is formed in the lower shell body.
6. The battery pack cooling system with an external liquid cooling pipeline according to claim 5, wherein: and one end of the liquid cooling plate, which is close to the bottom of the battery accommodating cavity, is provided with a heat insulation assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010941027.6A CN112201887B (en) | 2020-09-09 | 2020-09-09 | External battery package cooling system of liquid cooling pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010941027.6A CN112201887B (en) | 2020-09-09 | 2020-09-09 | External battery package cooling system of liquid cooling pipeline |
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| Publication Number | Publication Date |
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| CN112201887A CN112201887A (en) | 2021-01-08 |
| CN112201887B true CN112201887B (en) | 2023-05-19 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113422139B (en) * | 2021-06-18 | 2022-05-31 | 中国第一汽车股份有限公司 | Battery assembly, electric vehicle and design method |
| CN217655952U (en) * | 2022-04-07 | 2022-10-25 | 中创新航科技股份有限公司 | Liquid cooling system, battery box and battery package |
| CN115297693A (en) * | 2022-08-24 | 2022-11-04 | 西安易朴通讯技术有限公司 | Liquid cooling plate and electronic device |
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| CN208111625U (en) * | 2018-02-28 | 2018-11-16 | 合肥国轩高科动力能源有限公司 | A kind of integrated form inlet-outlet connector |
| EP3553876A1 (en) * | 2018-04-09 | 2019-10-16 | Samsung SDI Co., Ltd. | Coolant distributor |
| CN208674219U (en) * | 2018-09-05 | 2019-03-29 | 北京车和家信息技术有限公司 | Battery case under casing body, battery case and vehicle |
| CN209282303U (en) * | 2019-01-10 | 2019-08-20 | 东风汽车集团有限公司 | A kind of water-cooled cells frame with eduction valve |
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