CN114976350A - New forms of energy battery package is with directly cold directly hot heat exchanger stamping plate structure - Google Patents

New forms of energy battery package is with directly cold directly hot heat exchanger stamping plate structure Download PDF

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Publication number
CN114976350A
CN114976350A CN202210554163.9A CN202210554163A CN114976350A CN 114976350 A CN114976350 A CN 114976350A CN 202210554163 A CN202210554163 A CN 202210554163A CN 114976350 A CN114976350 A CN 114976350A
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CN
China
Prior art keywords
plate
heat exchanger
temperature
cooling
direct
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.)
Pending
Application number
CN202210554163.9A
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Chinese (zh)
Inventor
周文兵
朱俊明
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.)
Yibin Zongguanxian Technology Co ltd
Original Assignee
Yibin Zongguanxian Technology 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 Yibin Zongguanxian Technology Co ltd filed Critical Yibin Zongguanxian Technology Co ltd
Priority to CN202210554163.9A priority Critical patent/CN114976350A/en
Publication of CN114976350A publication Critical patent/CN114976350A/en
Priority to CN202222906099.4U priority patent/CN219180599U/en
Priority to CN202211352187.2A priority patent/CN117134019A/en
Priority to CN202211352186.8A priority patent/CN117134018A/en
Priority to CN202222917211.4U priority patent/CN218827406U/en
Priority to CN202211366536.6A priority patent/CN117096490A/en
Priority to CN202211352160.3A priority patent/CN117134017A/en
Priority to CN202211352157.1A priority patent/CN117134016A/en
Priority to CN202211352573.1A priority patent/CN117096489A/en
Priority to CN202222892882.XU priority patent/CN219329297U/en
Priority to CN202222887685.9U priority patent/CN218827404U/en
Priority to CN202222893863.9U priority patent/CN219180598U/en
Pending 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
    • H01M10/615—Heating or keeping warm
    • 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
    • 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
    • H01M10/6569—Fluids undergoing a liquid-gas phase change or transition, e.g. evaporation or condensation
    • 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)
  • Secondary Cells (AREA)

Abstract

The invention discloses a direct-cooling direct-heating heat exchanger stamping plate structure for a new energy battery pack, which comprises a heat exchanger consisting of a runner plate, a temperature-equalizing plate, an installation block and a water-cooling joint, wherein the water-cooling joint is arranged at one end of the runner plate and one end of the temperature-equalizing plate, the temperature-equalizing plate is arranged between the water-cooling joint and the runner plate, and the runner plate is arranged above the temperature-equalizing plate far away from the battery pack. The invention has the beneficial effects that: the water cooling joint inputs a refrigerant into the heat exchanger through an internal inlet and outlet pipeline, the main structure of the heat exchanger is formed by brazing a temperature equalizing plate and a flow channel plate, a through flow channel is formed in the middle, the flow channel is a refrigerant flowing path, the heat exchange and temperature equalizing effect of the battery pack is realized through the temperature equalizing plate after the refrigerant passes through the flow channel, the heat exchange capacity and the temperature equalizing performance (the temperature difference is less than 10 ℃) of the heat exchanger are ensured, the flow channel plate is subjected to flow distribution design and simulation calculation, and the flow of each flow channel is ensured to be uniform; the heat exchanger meets the pressure-resistant blasting requirement (pressure resistance 4MPa blasting 9 MPa).

Description

New forms of energy battery package is with directly cold heat exchanger stamping plate structure directly
Technical Field
The invention relates to the technical field of new energy automobile heat exchangers, in particular to a direct-cooling direct-heating heat exchanger stamping plate structure for a new energy battery pack.
Background
In the new energy battery industry, a heat exchanger is an indispensable part of the new energy battery industry, and the heat exchanger for the existing new energy battery pack in the market mainly adopts liquid cooling (cooling by cooling liquid, water and the like) and direct cooling (cooling by cooling medium R134a and the like), but both have certain technical defects, namely 1. the liquid cooling plate has the technical defects: the cooling efficiency of the direct cooling plate is lower than that of a direct cooling plate, the cooling efficiency of the direct cooling plate is 3-4 times higher than that of a liquid cooling plate, the structure is not as compact as that of the direct cooling plate, the weight is heavier, more space is occupied, and compared with the liquid cooling plate, the direct cooling plate can meet the requirement of quick charging; 2. the prior art of the direct cooling plate has the following defects: the cooling function of the battery pack can be satisfied, and the heating function is not provided.
Disclosure of Invention
The invention aims to provide a direct-cooling direct-heating heat exchanger stamping plate structure for a new energy battery pack, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a new forms of energy battery package is with directly cold and directly hot heat exchanger stamping plate structure, includes the heat exchanger that comprises runner plate, temperature-uniforming plate, installation piece and water-cooling joint, the water-cooling joint set up in the runner plate with temperature-uniforming plate one end, the temperature-uniforming plate set up in the water-cooling connect with between the runner plate, the runner plate set up in the top that the battery package was kept away from to the temperature-uniforming plate.
Further optimizing, the water-cooling joint with the temperature-uniforming plate is connected through furnace brazing after being pressed and riveted and pre-fixed, the water-cooling joint and the temperature-uniforming plate are better in sealing performance, and leakage is avoided.
Further optimizing, the welding surface of the temperature-equalizing plate is connected with the runner plate in a furnace brazing mode after being attached and pre-fixed, so that the cooling medium in the runner cannot seep out, and the sealing performance is better.
Further optimize, the runner plate is single face composite aluminum plate, and through single face stamping forming, integrated into one piece's panel, processing is simple, and not fragile and deformation.
Further preferably, the runner plate and the temperature equalizing plate are connected through furnace brazing, a through runner is formed in the middle of the runner plate, and the runner is used for flowing of a cooling medium so as to reduce the temperature of the battery pack.
And further optimizing, wherein the water-cooling joint medium inlet/outlet is connected with the through flow channel.
Further preferably, the mounting blocks can be arranged in each area of the heat exchanger, the mounting blocks are connected with the heat exchanger through furnace brazing, the mounting blocks are used for being connected with the whole frame of the battery pack, the mounting blocks can be mounted at each position of the frame of the battery pack according to the actual requirement of the frame of the battery pack, and the mounting blocks are not limited to one mounting block.
Advantageous effects
According to the direct-cooling direct-heating heat exchanger stamping plate structure for the new energy battery pack, a water-cooling connector inputs a refrigerant into the heat exchanger through an internal inlet and outlet pipeline, the main structure of the heat exchanger is formed by brazing a temperature equalizing plate and a runner plate, a through runner is formed in the middle, the runner is a refrigerant flowing path, after the refrigerant passes through the runner, the heat exchange and temperature equalizing effects of the battery pack are realized through the temperature equalizing plate, the heat exchange capacity and the temperature equalizing performance of the heat exchanger are ensured (the temperature difference is less than 10 ℃), the flow dividing design and the simulation calculation are carried out on the runner plate, and the uniform flow of each flow path is ensured; the heat exchanger meets the pressure-resistant blasting requirement (pressure resistance 4MPa blasting 9 MPa).
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the present invention for simulating the distribution of compressive stress at 3.2 MPa;
FIG. 3 is a schematic diagram of the distribution of the invention simulating 3.2MPa pressure-resistant deformation;
FIG. 4 is a schematic diagram of the simulation of compressive plastic strain at 3.2 MPa.
Reference numerals
1-flow channel plate, 2-temperature equalizing plate, 3-mounting block and 4-water cooling joint.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
Examples
As shown in fig. 1, a direct-cooling direct-heating heat exchanger stamping plate structure for a new energy battery pack comprises a heat exchanger consisting of a runner plate 1, a temperature-equalizing plate 2, an installation block 3 and a water-cooling joint 4, wherein the water-cooling joint 4 is arranged at one end of the runner plate 1 and one end of the temperature-equalizing plate 2, the temperature-equalizing plate 2 is arranged between the water-cooling joint 4 and the runner plate 1, and the runner plate 1 is arranged above the temperature-equalizing plate 2 away from the battery pack.
In this embodiment, water-cooling joint 4 is connected through pressing and riveting after the stove is brazed with uniform temperature plate 2 in advance, water-cooling joint is located the coolant import and export position of heat exchanger, be coolant's input/output device, pass the stove brazing with uniform temperature plate after pressing and riveting after the advance fixed and be connected, the stove brazing is connected after uniform temperature plate 2 face of weld and runner plate 1 laminating is in advance fixed, uniform temperature plate 2 is located water-cooling joint 4 and runner plate 1 intermediate position, non-face of weld and battery package direct contact play the effect that the battery package traded heat samming, the face of weld is connected with runner plate 1 laminating after the advance fixed stove brazing.
The runner plate 1 is a single-face composite aluminum plate and is formed by single-face punch forming, the runner plate 1 is located in the direction, away from the battery pack, of the temperature equalizing plate 2 and is formed by single-face composite aluminum plate punch forming, cooling medium circulation paths are distributed on the surface of the runner plate, and the runner plate 1 and the temperature equalizing plate 2 are connected through furnace brazing.
The runner plate 1 is connected with the temperature-uniforming plate 2 through furnace brazing, a through runner is formed in the middle of the runner plate, a medium inlet/outlet of the water-cooling connector 4 is connected with the through runner, the installation block 3 can be arranged in each area of the heat exchanger, the installation block 3 is connected with the heat exchanger through furnace brazing, the installation block 3 is used for being connected with the whole frame of the battery pack, the installation block 3 can be located in each area of the heat exchanger and used for being connected with the main frame of the battery pack, and furnace brazing connection is adopted for the heat exchanger.
Blasting test data:
the cold plate is pressurized at 3.2MPa for 5min, and the deformation of the runner is measured;
performing a pressure resistance test on the cold plate at 3.5MPa, maintaining the pressure for 5min, and measuring the deformation of the flow channel;
pressurizing at the rate of 1MPa/min until the cold plate is broken, and recording the breaking position and the bursting pressure of the cold plate;
test limit value: the assembly burst pressure is greater than 90 bar;
burst pressure: 108.7 (bar).
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the content of the present invention within the scope of the protection of the present invention.

Claims (7)

1. The utility model provides a new forms of energy battery package is with directly cold heat exchanger stamping plate structure directly, its characterized in that: include by runner plate (1), temperature-uniforming plate (2), installation piece (3) and water-cooling joint (4) the heat exchanger of constituteing, water-cooling joint (4) set up in runner plate (1) with temperature-uniforming plate (2) one end, temperature-uniforming plate (2) set up in water-cooling joint (4) with between runner plate (1), runner plate (1) set up in the top that battery package was kept away from in temperature-uniforming plate (2).
2. The direct-cooling direct-heating heat exchanger stamping plate structure for the new energy battery pack according to claim 1, characterized in that: the water-cooling joint (4) is connected with the temperature equalizing plate (2) through pressure riveting and furnace brazing after being pre-fixed.
3. The direct-cooling direct-heating heat exchanger stamping plate structure for the new energy battery pack according to claim 1, characterized in that: the welding surface of the temperature equalizing plate (2) is jointed with the runner plate (1) and is connected with the runner plate through furnace brazing after being pre-fixed.
4. The direct-cooling direct-heating heat exchanger stamping plate structure for the new energy battery pack according to claim 1, characterized in that: the runner plate (1) is a single-face composite aluminum plate and is formed by single-face punch forming.
5. The direct-cooling direct-heating heat exchanger stamping plate structure for the new energy battery pack as claimed in claim 1, wherein: the runner plate (1) is connected with the temperature equalizing plate (2) through furnace brazing, and a through runner is formed in the middle of the runner plate.
6. The direct-cooling direct-heating heat exchanger stamping plate structure for the new energy battery pack according to claim 5, characterized in that: and the medium inlet/outlet of the water-cooling joint (4) is connected with the through flow channel.
7. The direct-cooling direct-heating heat exchanger stamping plate structure for the new energy battery pack according to claim 1, characterized in that: the mounting blocks (3) can be arranged in each area of the heat exchanger, the mounting blocks (3) are connected with the heat exchanger through furnace brazing, and the mounting blocks (3) are used for being connected with the whole frame of the battery pack.
CN202210554163.9A 2022-05-20 2022-05-20 New forms of energy battery package is with directly cold directly hot heat exchanger stamping plate structure Pending CN114976350A (en)

Priority Applications (12)

Application Number Priority Date Filing Date Title
CN202210554163.9A CN114976350A (en) 2022-05-20 2022-05-20 New forms of energy battery package is with directly cold directly hot heat exchanger stamping plate structure
CN202222893863.9U CN219180598U (en) 2022-05-20 2022-10-31 Heat exchange plate, battery pack and vehicle
CN202222917211.4U CN218827406U (en) 2022-05-20 2022-10-31 Heat exchange plate, battery pack and vehicle
CN202211352187.2A CN117134019A (en) 2022-05-20 2022-10-31 Heat exchange plate, battery pack and vehicle
CN202211352186.8A CN117134018A (en) 2022-05-20 2022-10-31 Heat exchange plate, battery pack and vehicle
CN202222906099.4U CN219180599U (en) 2022-05-20 2022-10-31 Heat exchange plate, battery pack and vehicle
CN202211366536.6A CN117096490A (en) 2022-05-20 2022-10-31 Heat exchange plate, battery pack and vehicle
CN202211352160.3A CN117134017A (en) 2022-05-20 2022-10-31 Heat exchange plate, battery pack and vehicle
CN202211352157.1A CN117134016A (en) 2022-05-20 2022-10-31 Heat exchange plate, battery pack and vehicle
CN202211352573.1A CN117096489A (en) 2022-05-20 2022-10-31 Heat exchange plate, battery pack and vehicle
CN202222892882.XU CN219329297U (en) 2022-05-20 2022-10-31 Heat exchange plate, battery pack and vehicle
CN202222887685.9U CN218827404U (en) 2022-05-20 2022-10-31 Heat exchange plate, battery package and vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210554163.9A CN114976350A (en) 2022-05-20 2022-05-20 New forms of energy battery package is with directly cold directly hot heat exchanger stamping plate structure

Publications (1)

Publication Number Publication Date
CN114976350A true CN114976350A (en) 2022-08-30

Family

ID=82985526

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210554163.9A Pending CN114976350A (en) 2022-05-20 2022-05-20 New forms of energy battery package is with directly cold directly hot heat exchanger stamping plate structure

Country Status (1)

Country Link
CN (1) CN114976350A (en)

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Application publication date: 20220830

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