CN112178316A - Sealing joint of liquid cooling pipeline and power battery pack and mounting structure thereof - Google Patents
Sealing joint of liquid cooling pipeline and power battery pack and mounting structure thereof Download PDFInfo
- Publication number
- CN112178316A CN112178316A CN202011063219.8A CN202011063219A CN112178316A CN 112178316 A CN112178316 A CN 112178316A CN 202011063219 A CN202011063219 A CN 202011063219A CN 112178316 A CN112178316 A CN 112178316A
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- CN
- China
- Prior art keywords
- interface
- battery pack
- liquid cooling
- power battery
- sealing
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/032—Flanged joints the flanges being connected by members tensioned axially characterised by the shape or composition of the flanges
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
- B60L58/26—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/024—Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/16—Flanged joints characterised by the sealing means
- F16L23/18—Flanged joints characterised by the sealing means the sealing means being rings
- F16L23/22—Flanged joints characterised by the sealing means the sealing means being rings made exclusively of a material other than metal
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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
-
- 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
-
- 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
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
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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
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Secondary Cells (AREA)
Abstract
The invention relates to the technical field of thermal management of new energy automobile power batteries, and discloses a sealing joint of a liquid cooling pipeline and a power battery pack. The invention also discloses a mounting structure of the sealing joint of the liquid cooling pipeline and the power battery pack. The sealing joint of the liquid cooling pipeline and the power battery pack and the mounting structure thereof effectively solve the problem of sealing performance of the liquid inlet and outlet joint of the liquid cooling pipeline and the battery pack box body, and have the advantages of high connection reliability and simple processing.
Description
Technical Field
The invention relates to the technical field of thermal management of power batteries of new energy vehicles, in particular to a sealing joint of a liquid cooling pipeline and a power battery pack and an installation structure thereof.
Background
The cooling modes of the power battery pack are various, such as air-cooled natural cooling, cooling liquid circulation cooling and refrigerant cooling, and the liquid-cooled battery pack cooling technology is the most mainstream at present and is also applied most. This involves problems with sealing and connection of water connections through the battery compartment, as the coolant needs to circulate in the tubes inside and outside the battery compartment. At present, the connecting joints in the industry have various forms, such as plastic injection molding connecting joints and machining aluminum joints, and due to factors of design or materials, defects such as poor sealing performance or insufficient durability and reliability can be generated more or less. Meanwhile, there are also the following problems:
1. the connection problem of the liquid cooling pipeline and the battery pack box body is mainly that the liquid cooling pipeline is connected with the inside and the outside of the battery pack box body;
2. the liquid cooling pipeline and the battery pack box body are fixed;
3. the production and installation of the client are difficult to install and the industrial production is difficult to realize.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a sealing joint of a liquid cooling pipeline and a power battery pack and a mounting structure thereof, effectively solves the problem of sealing performance between a liquid inlet and outlet joint of the liquid cooling pipeline and a battery pack box body, and has the advantages of high connection reliability and simple processing.
In order to achieve the purpose, the sealing joint of the liquid cooling pipeline and the power battery pack comprises an integrated joint body, wherein a first interface and a second interface are respectively arranged at two ends of the integrated joint body, the integrated joint body is hollow, so that the first interface and the second interface are communicated, a third interface communicated with the inside is arranged in the middle of the integrated joint body, and a temperature sensor is arranged on the third interface.
Preferably, the integrated joint body is sleeved with a flange sealing disc.
Preferably, the flange sealing disk is provided with at least two fastening bolts, and the nut sides of the fastening bolts are injected into the flange sealing disk.
Preferably, the inner diameter of the first connector is 12-14 mm, the inner diameter of the second connector is the same as that of the first connector, and the inner diameter of the third connector is 15 mm.
Preferably, the integrated joint body, the flange sealing disc and the fastening bolts are formed as an integral part by an injection molding process.
Preferably, the outer side surface of the flange sealing disc is provided with a circle of oval-shaped groove, and the oval-shaped groove is provided with a rubber sealing gasket.
Preferably, the oval groove is 3mm wide and 3mm deep.
The utility model provides a liquid cooling pipeline and power battery package's sealing joint's mounting structure, the inside coolant liquid main line of battery box is connected through standard plastics fast to first interface, the outside coolant liquid main line of battery box is connected through standard plastics fast to the second interface, the third interface through screw up the mode with temperature sensor's threaded rod fastening connection.
Preferably, the integrated joint body is sleeved with a flange sealing disc, the flange sealing disc is provided with at least two fastening bolts, and the integrated joint body is fastened on the battery box body through the fastening bolts on the flange sealing disc.
Preferably, the lateral surface of the flange sealing disc is provided with a circle of oval-shaped groove, the oval-shaped groove is provided with a rubber sealing gasket, and the rubber sealing gasket is attached to the inner surface of the battery box body.
Compared with the prior art, the invention has the following advantages:
1. the problem of the sealing performance between the liquid inlet and outlet joints of the liquid cooling pipeline and the battery pack box body is effectively solved;
2. the reliability problem of the connection between the liquid inlet and outlet joints of the liquid cooling pipeline and the battery pack box body is improved;
3. simple and easy processing and manufacturing process, easy installation and convenient realization of industrial production.
Drawings
FIG. 1 is a schematic structural view of a sealing joint between a liquid cooling pipeline and a power battery pack according to the present invention;
fig. 2 is an exploded view of fig. 1.
The components in the figures are numbered as follows:
the integrated joint comprises an integrated joint body 1, a first interface 2, a second interface 3, a third interface 4, a temperature sensor 5, a flange sealing disc 6, a fastening bolt 7, an oval-shaped groove 8 and a rubber sealing gasket 9.
Detailed Description
The invention is described in further detail below with reference to the figures and the specific embodiments.
As shown in fig. 1 and 2, the sealing joint for a liquid cooling pipeline and a power battery pack of the invention comprises an integrated joint body 1, wherein a first interface 2 and a second interface 3 are respectively arranged at two ends of the integrated joint body 1, the integrated joint body 1 is hollow so that the first interface 2 is communicated with the second interface 3, a third interface 4 communicated with the inside is arranged in the middle of the integrated joint body 1, and a temperature sensor 5 is arranged on the third interface 4.
In addition, in this embodiment, the integrated joint body 1 is sleeved with a flange sealing disk 6, two fastening bolts 7 are arranged on the flange sealing disk 6, the nut sides of the fastening bolts 7 are injected into the flange sealing disk 6, the outer side surface of the flange sealing disk 6 is provided with a circle of oval-shaped groove 8, and the oval-shaped groove 8 is provided with a rubber sealing gasket 9.
In this embodiment, the inner diameter of the first port 2 is 13mm, the inner diameter of the second port 3 is the same as the inner diameter of the first port 2, and the inner diameter of the third port 4 is 15 mm. The oval groove 8 is 3mm wide and 3mm deep. The integrated joint body 1, the flange sealing disc 6 and the fastening bolts 7 are formed into an integrated part through an injection molding process.
When this embodiment liquid cooling pipeline and the sealing joint installation of power battery package, the inside coolant liquid main line of battery box is connected through standard plastics fast to first interface 2, and the outside coolant liquid main line of battery box is connected through standard plastics fast to second interface 3, and third interface 4 is through screwing up mode and temperature sensor 5's threaded rod fastening connection. In addition, the integrated joint body 1 is fastened on the battery box body through the fastening bolt 7 on the flange sealing disc 6, and the rubber sealing washer 9 is attached to the inner surface of the battery box body, so that the sealing, connecting and integrating design is completed, the liquid cooling pipelines inside and outside the battery box body are connected through the sealing joints, and the closed-loop connection is completed while the sealing performance is ensured.
The sealing joint of the liquid cooling pipeline and the power battery pack and the mounting structure thereof effectively solve the problem of the sealing performance between the liquid inlet and outlet joint of the liquid cooling pipeline and the battery pack box body; the reliability of the connection between the liquid inlet and outlet joints of the liquid cooling pipeline and the battery pack box body is improved; in addition, the method is easy to install and convenient to realize industrial production through a simple and easy machining and manufacturing process.
Claims (10)
1. The utility model provides a sealing joint of liquid cooling pipeline and power battery package, includes integrated joint body (1), its characterized in that: the integrated connector comprises an integrated connector body (1), wherein a first interface (2) and a second interface (3) are respectively arranged at two ends of the integrated connector body (1), the integrated connector body (1) is internally hollow, so that the first interface (2) is communicated with the second interface (3), a third interface (4) communicated with the inside is arranged in the middle of the integrated connector body (1), and a temperature sensor (5) is arranged on the third interface (4).
2. The liquid cooling line and power battery pack sealing joint of claim 1, wherein: the integrated joint body (1) is sleeved with a flange sealing disc (6).
3. The liquid cooling pipeline and power battery pack sealing joint as claimed in claim 2, wherein: the flange sealing disk is characterized in that at least two fastening bolts (7) are arranged on the flange sealing disk (6), and the nut sides of the fastening bolts (7) are injected and molded in the flange sealing disk (6).
4. The liquid cooling line and power battery pack sealing joint of claim 1, wherein: the internal diameter of first interface (2) is 12 ~ 14mm, the internal diameter of second interface (3) with the internal diameter of first interface (2) is the same, the internal diameter of third interface (4) is 15 mm.
5. The liquid cooling pipeline and power battery pack sealing joint as claimed in claim 3, wherein: the integrated joint body (1), the flange sealing disc (6) and the fastening bolt (7) form an integrated part through an injection molding process.
6. The liquid cooling pipeline and power battery pack sealing joint as claimed in claim 2, wherein: the lateral surface of the flange sealing disk (6) is provided with a circle of oval-shaped groove (8), and a rubber sealing gasket (9) is assembled on the oval-shaped groove (8).
7. The liquid cooling pipeline and power battery pack sealing joint as claimed in claim 6, wherein: the width of the oval groove (8) is 3mm, and the depth of the oval groove is 3 mm.
8. The mounting structure for the sealing joint between the liquid cooling pipeline and the power battery pack as claimed in claim 1, wherein: the first interface (2) is connected with a cooling liquid main pipeline inside the battery box body through standard plastic quick insertion, the second interface (3) is connected with the cooling liquid main pipeline outside the battery box body through standard plastic quick insertion, and the third interface (4) is fixedly connected with a threaded rod of the temperature sensor (5) through a screwing mode.
9. The liquid cooling line-to-power battery pack sealing joint of claim 8, wherein: the integrated joint body (1) is sleeved with a flange sealing disc (6), the flange sealing disc (6) is provided with at least two fastening bolts (7), and the integrated joint body (1) is fastened on the battery box body through the fastening bolts (7) on the flange sealing disc (6).
10. The liquid cooling line-to-power battery pack sealing joint of claim 9, wherein: the lateral surface of the flange sealing disk (6) is provided with a circle of oval-shaped groove (8), a rubber sealing gasket (9) is assembled on the oval-shaped groove (8), and the rubber sealing gasket (9) is attached to the inner surface of the battery box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011063219.8A CN112178316A (en) | 2020-09-30 | 2020-09-30 | Sealing joint of liquid cooling pipeline and power battery pack and mounting structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011063219.8A CN112178316A (en) | 2020-09-30 | 2020-09-30 | Sealing joint of liquid cooling pipeline and power battery pack and mounting structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112178316A true CN112178316A (en) | 2021-01-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011063219.8A Pending CN112178316A (en) | 2020-09-30 | 2020-09-30 | Sealing joint of liquid cooling pipeline and power battery pack and mounting structure thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112178316A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113054292A (en) * | 2021-03-19 | 2021-06-29 | 安徽江淮汽车集团股份有限公司 | Joint, liquid cooling pipe group and processing joint device |
| CN116045109A (en) * | 2023-04-03 | 2023-05-02 | 宁德时代新能源科技股份有限公司 | Integrated multi-way flange, battery and electric equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2015028375A (en) * | 2013-07-05 | 2015-02-12 | 株式会社潤工社 | Pipe joint |
| CN205882124U (en) * | 2016-08-03 | 2017-01-11 | 弗兰科希管件系统（上海）有限公司 | Integrated pipeline of battery package coolant liquid |
| EP3217466A1 (en) * | 2014-11-07 | 2017-09-13 | Valeo Japan Co., Ltd. | Battery temperature control unit, and battery pack using same |
| CN207195851U (en) * | 2017-09-30 | 2018-04-06 | 惠州市亿能电子有限公司 | A kind of cooling water pipe crossover sub with temperature detecting function |
| CN109540394A (en) * | 2018-12-12 | 2019-03-29 | 东风马勒热系统有限公司 | Connect the tooling of plastic piping part and detection system air-tightness |
| CN110212133A (en) * | 2019-06-25 | 2019-09-06 | 奇瑞汽车股份有限公司 | A kind of sealing fixed structure of automobile batteries lodge body and cooling water pipe pipe fitting |
| WO2020135883A1 (en) * | 2018-12-29 | 2020-07-02 | 奥动新能源汽车科技有限公司 | Liquid cooling plug-in assembly, liquid cooling plug-in apparatus, and battery pack assembly |
| CN211475098U (en) * | 2019-11-14 | 2020-09-11 | 东软睿驰汽车技术（沈阳）有限公司 | Battery pack and pipeline connecting piece thereof |
-
2020
- 2020-09-30 CN CN202011063219.8A patent/CN112178316A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015028375A (en) * | 2013-07-05 | 2015-02-12 | 株式会社潤工社 | Pipe joint |
| EP3217466A1 (en) * | 2014-11-07 | 2017-09-13 | Valeo Japan Co., Ltd. | Battery temperature control unit, and battery pack using same |
| CN205882124U (en) * | 2016-08-03 | 2017-01-11 | 弗兰科希管件系统（上海）有限公司 | Integrated pipeline of battery package coolant liquid |
| CN207195851U (en) * | 2017-09-30 | 2018-04-06 | 惠州市亿能电子有限公司 | A kind of cooling water pipe crossover sub with temperature detecting function |
| CN109540394A (en) * | 2018-12-12 | 2019-03-29 | 东风马勒热系统有限公司 | Connect the tooling of plastic piping part and detection system air-tightness |
| WO2020135883A1 (en) * | 2018-12-29 | 2020-07-02 | 奥动新能源汽车科技有限公司 | Liquid cooling plug-in assembly, liquid cooling plug-in apparatus, and battery pack assembly |
| CN110212133A (en) * | 2019-06-25 | 2019-09-06 | 奇瑞汽车股份有限公司 | A kind of sealing fixed structure of automobile batteries lodge body and cooling water pipe pipe fitting |
| CN211475098U (en) * | 2019-11-14 | 2020-09-11 | 东软睿驰汽车技术（沈阳）有限公司 | Battery pack and pipeline connecting piece thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113054292A (en) * | 2021-03-19 | 2021-06-29 | 安徽江淮汽车集团股份有限公司 | Joint, liquid cooling pipe group and processing joint device |
| CN116045109A (en) * | 2023-04-03 | 2023-05-02 | 宁德时代新能源科技股份有限公司 | Integrated multi-way flange, battery and electric equipment |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210105 |
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| RJ01 | Rejection of invention patent application after publication |