CN112201877A - Electric automobile PACK is with double-deck water-cooling board - Google Patents

Electric automobile PACK is with double-deck water-cooling board Download PDF

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Publication number
CN112201877A
CN112201877A CN202010932669.XA CN202010932669A CN112201877A CN 112201877 A CN112201877 A CN 112201877A CN 202010932669 A CN202010932669 A CN 202010932669A CN 112201877 A CN112201877 A CN 112201877A
Authority
CN
China
Prior art keywords
water
layer
cooling plate
plate
cooling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202010932669.XA
Other languages
Chinese (zh)
Inventor
阮鹏飞
邱林
黄志年
王明盛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Hongtron New Energy Power Co ltd
Original Assignee
Anhui Hongtron New Energy Power Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Anhui Hongtron New Energy Power Co ltd filed Critical Anhui Hongtron New Energy Power Co ltd
Priority to CN202010932669.XA priority Critical patent/CN112201877A/en
Publication of CN112201877A publication Critical patent/CN112201877A/en
Withdrawn legal-status Critical Current

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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
    • H01M10/61—Types of temperature control
    • H01M10/617—Types of temperature control for achieving uniformity or desired distribution of temperature
    • 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
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6554—Rods or plates
    • 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
    • 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
    • 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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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Battery Mounting, Suspending (AREA)
  • Secondary Cells (AREA)

Abstract

The invention discloses a double-layer water cooling plate for an electric automobile PACK, which comprises an upper water cooling plate and a lower water cooling plate, wherein a transition water layer plate is arranged between the upper water cooling plate and the lower water cooling plate, a cavity formed by the upper water cooling plate and the lower water cooling plate is divided into an upper cavity and a lower cavity by the transition water layer plate, the upper cavity is communicated with the lower cavity, a water inlet and a water outlet are arranged on one side of the upper water cooling plate, one end of the water inlet is communicated with the upper cavity, and one end of the water outlet is communicated with the lower cavity. This kind of electric automobile PACK is with double-deck water-cooling board further reduces the temperature difference of coolant liquid in the water-cooling board, ensures that the inside electric core difference in temperature of battery is littleer, and the temperature tends to unanimity more for the stable work of battery long period.

Description

Electric automobile PACK is with double-deck water-cooling board
Technical Field
The invention relates to the technical field of battery heat dissipation, in particular to a double-layer water cooling plate for an electric vehicle PACK.
Background
The new energy automobile adopts unconventional automobile fuel as a power source (or adopts conventional automobile fuel and a novel vehicle-mounted power device), integrates advanced technologies in the aspects of power control and driving of the automobile, and forms an automobile with advanced technical principle, new technology and new structure.
The electric vehicle PACK refers to a battery PACK of a new energy vehicle, provides energy for the running of the whole vehicle, is powered by a power battery in the running process of the electric vehicle, and the power battery generates complex chemical reactions in the charging and discharging processes, so that the battery can release a large amount of heat to cause the working temperature of the battery to rise. At present, a water cooling plate is generally adopted to cool a battery pack in the market, but in order to ensure the long-period stable work of the battery, how to ensure that the temperature difference of an electric core in the battery is smaller and the temperature tends to be more consistent is particularly important.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the double-layer water cooling plate for the PACK of the electric automobile, which further reduces the temperature difference of cooling liquid in the water cooling plate to ensure that the temperature difference of an electric core in the battery is smaller and the temperature is more consistent, so that the battery works stably for a long period.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides an electric automobile PACK is with double-deck water-cooling board, includes upper water-cooling board and lower floor's water-cooling board, be provided with excessive water layer board between upper water-cooling board and the lower floor's water-cooling board, excessive water layer board divide into upper cavity and lower cavity with the cavity that upper water-cooling board and lower floor's water-cooling board are constituteed, upper cavity and lower cavity intercommunication, one side of upper water-cooling board is provided with water inlet and delivery port, the one end and the upper cavity intercommunication of water inlet, the one end and the lower cavity intercommunication of delivery port.
Preferably, one side of the transition water layer plate close to the upper water cooling plate is provided with an upper water channel, one side of the transition water layer plate close to the lower water cooling plate is provided with a lower water channel, and the upper water channel and the lower water channel are S-shaped.
Preferably, the upper layer water channel and the lower layer water channel are internally provided with flow guide strips.
Preferably, the transition water layer plate is obliquely arranged, a flanging is arranged at the edge of the transition water layer plate, and the flanging is respectively connected with the surfaces of the upper-layer water cooling plate and the lower-layer water cooling plate.
Preferably, one side of the water passing plate is provided with an inclined plate.
Preferably, the surface of the upper water-cooling plate is in contact with the battery module.
Preferably, the upper water cooling plate, the lower water cooling plate and the transition water layer plate are extruded profiles, and the upper water cooling plate, the lower water cooling plate and the transition water layer plate are fixed through welding.
Preferably, the upper water channel and the lower water channel are symmetrically arranged and have the same flow direction.
(III) advantageous effects
The invention provides a double-layer water cooling plate for an electric automobile PACK, which has the following beneficial effects: through the surface and the battery module contact of upper water-cooling board, the one end and the upper cavity intercommunication of water inlet, coolant liquid temperature can rise gradually from water inlet position to upper water course exit position, get into down behind the cavity because the excessive water layer board of accessible carries out cold and hot exchange, the temperature reduces gradually when flowing to the delivery port position, reach the effect that further reduces water-cooling board inlet outlet and upper water course coolant liquid difference in temperature, it is littleer to make the inside electric core difference in temperature of battery, the purpose that the temperature tends to unanimity more.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the upper water channel structure of the present invention;
FIG. 3 is a schematic view of the connection structure of the transition water layer plate and the lower water cooling plate according to the present invention;
FIG. 4 is a schematic view of the lower waterway structure of the present invention;
FIG. 5 is a cross-sectional view of a structure of the present invention;
FIG. 6 is a schematic diagram of a transition water layer structure according to the present invention.
In the figure: 1-upper layer water cooling plate, 2-lower layer water cooling plate, 3-water inlet, 4-water outlet, 5-transition water layer plate, 51-upper layer water channel, 52-inclined plate, 53-lower layer water channel, 54-flanging and 55-flow guide strip.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides an electric automobile PACK is with double-deck water-cooling board, including upper water-cooling board 1 and lower floor's water-cooling board 2, be provided with excessive water plywood 5 between upper water-cooling board 1 and the lower floor's water-cooling board 2, excessive water plywood 5 divide into upper cavity and lower cavity with the cavity that upper water-cooling board 1 and lower floor's water-cooling board 2 are constituteed, upper cavity and lower cavity intercommunication, one side of upper water-cooling board 1 is provided with water inlet 3 and delivery port 4, the one end and the upper cavity intercommunication of water inlet 3, the one end and the lower cavity intercommunication of delivery port 4.
One side that excessive water layer board 5 is close to upper water-cooling board 1 is provided with upper water course 51, one side that excessive water layer board 5 is close to lower floor ' S water-cooling board 2 is provided with lower floor ' S water course 53, upper water course 51 and lower floor ' S water course 53 are the S type, upper water course 51 and the symmetry setting of lower floor ' S water course 53 and flow direction are the same, be provided with water conservancy diversion strip 55 in upper water course 51 and the lower floor ' S water course 53, the symmetry setting can reduce the difference in temperature through the heat exchange, water conservancy diversion strip 55 has guaranteed the stability of flow direction.
The excessive water layer plate 5 is obliquely arranged, a flange 54 is arranged at the edge of the excessive water layer plate 5, and the flange 54 is respectively connected with the surfaces of the upper water cooling plate 1 and the lower water cooling plate 2, so that sealing is realized.
An inclined plate 52 is arranged on one side of the transition water layer plate 5, so that cooling liquid can flow from the upper cavity to the lower cavity conveniently.
The surface of the upper water-cooling plate 1 is in contact with the battery module for absorbing heat of the battery module.
The upper water cooling plate 1, the lower water cooling plate 2 and the transition water layer plate 5 are extruded sections, and the upper water cooling plate 1, the lower water cooling plate 2 and the transition water layer plate 5 are fixed through welding.
The during operation, double-deck water-cooling plate upper surface is module cooling contact surface, the coolant liquid gets into upper water course 51 from water inlet 3, coolant liquid temperature can rise gradually from upper water course 51 entry position to upper water course exit position, the coolant liquid passes through swash plate 52 and gets into lower floor's water course 53 afterwards, because upper water course 51 sets up and the flow direction is the same with lower floor's water course 53 symmetry, the coolant liquid can carry out a cold and hot exchange from lower floor's water course 53 entry position to lower floor's water course 53 exit position, thereby reach the effect of further reducing the coolant liquid difference in temperature, it is littleer to make the inside electric core difference in temperature of battery, the temperature more tends to unanimous.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The term "comprising", without further limitation, means that the element so defined is not excluded from the group consisting of additional identical elements in the process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides an electric automobile PACK is with double-deck water-cooling board which characterized in that: including upper water-cooling board (1) and lower floor's water-cooling board (2), be provided with excessive water plywood (5) between upper water-cooling board (1) and lower floor's water-cooling board (2), cavity that excessive water plywood (5) become upper water-cooling board (1) and lower floor's water-cooling board (2) divide into upper plenum and lower cavity, upper plenum and lower cavity intercommunication, one side of upper water-cooling board (1) is provided with water inlet (3) and delivery port (4), the one end and the upper plenum intercommunication of water inlet (3), the one end and the lower cavity intercommunication of delivery port (4).
2. The double-layer water-cooling plate for the PACK of the electric automobile according to claim 1, is characterized in that: one side of the transition water layer plate (5) close to the upper water cooling plate (1) is provided with an upper water channel (51), one side of the transition water layer plate (5) close to the lower water cooling plate (2) is provided with a lower water channel (53), and the upper water channel (51) and the lower water channel (53) are S-shaped.
3. The double-layer water-cooling plate for the PACK of the electric automobile according to claim 2, is characterized in that: and flow guide strips (55) are arranged in the upper layer water channel (51) and the lower layer water channel (53).
4. The double-layer water-cooling plate for the PACK of the electric automobile according to claim 1, is characterized in that: the transition water layer plate (5) is obliquely arranged, a flanging (54) is arranged at the edge of the transition water layer plate (5), and the flanging (54) is respectively connected with the surfaces of the upper-layer water cooling plate (1) and the lower-layer water cooling plate (2).
5. The double-layer water-cooling plate for the PACK of the electric automobile according to claim 1, is characterized in that: an inclined plate (52) is arranged on one side of the water transition layer plate (5).
6. The double-layer water-cooling plate for the PACK of the electric automobile according to claim 1, is characterized in that: the surface of the upper water-cooling plate (1) is in contact with the battery module.
7. The double-layer water-cooling plate for the PACK of the electric automobile according to claim 1, is characterized in that: the upper water cooling plate (1), the lower water cooling plate (2) and the transition water layer plate (5) are extruded sections, and the upper water cooling plate (1), the lower water cooling plate (2) and the transition water layer plate (5) are fixed through welding.
8. The double-layer water-cooling plate for the PACK of the electric automobile according to claim 2, is characterized in that: the upper layer water channel (51) and the lower layer water channel (53) are symmetrically arranged and have the same flow direction.
CN202010932669.XA 2020-09-08 2020-09-08 Electric automobile PACK is with double-deck water-cooling board Withdrawn CN112201877A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010932669.XA CN112201877A (en) 2020-09-08 2020-09-08 Electric automobile PACK is with double-deck water-cooling board

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010932669.XA CN112201877A (en) 2020-09-08 2020-09-08 Electric automobile PACK is with double-deck water-cooling board

Publications (1)

Publication Number Publication Date
CN112201877A true CN112201877A (en) 2021-01-08

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010932669.XA Withdrawn CN112201877A (en) 2020-09-08 2020-09-08 Electric automobile PACK is with double-deck water-cooling board

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113795114A (en) * 2021-06-23 2021-12-14 上海市富力达科技股份有限公司 High-heat-dissipation weather-resistant water cooling plate and application thereof
CN116487765A (en) * 2023-06-20 2023-07-25 宁波齐云新材料技术有限公司 High-integration multi-layer lithium battery pack water-cooling packaging plate and processing method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113795114A (en) * 2021-06-23 2021-12-14 上海市富力达科技股份有限公司 High-heat-dissipation weather-resistant water cooling plate and application thereof
CN116487765A (en) * 2023-06-20 2023-07-25 宁波齐云新材料技术有限公司 High-integration multi-layer lithium battery pack water-cooling packaging plate and processing method thereof
CN116487765B (en) * 2023-06-20 2023-09-26 宁波齐云新材料技术有限公司 High-integration multi-layer lithium battery pack water-cooling packaging plate and processing method thereof

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Application publication date: 20210108