CN111889875A - Processing technology of battery cooling plate - Google Patents
Processing technology of battery cooling plate Download PDFInfo
- Publication number
- CN111889875A CN111889875A CN202010770366.2A CN202010770366A CN111889875A CN 111889875 A CN111889875 A CN 111889875A CN 202010770366 A CN202010770366 A CN 202010770366A CN 111889875 A CN111889875 A CN 111889875A
- Authority
- CN
- China
- Prior art keywords
- welding
- cooling
- plate
- battery cooling
- cooling plate
- 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
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/129—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding specially adapted for particular articles or workpieces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
-
- 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
- H01M10/655—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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention discloses a processing technology of a battery cooling plate, wherein the battery cooling plate comprises a cooling upper plate and a cooling lower plate, the cooling upper plate and the cooling lower plate are welded together, and the welding mode adopts friction stir welding or laser welding; be equipped with the cooling channel that meanders spirals on the cooling upper plate, the welding region of battery cooling plate includes the peripheral round of battery cooling plate and the position between the adjacent cooling channel, and the peripheral welding of battery cooling plate prevents that the outside from revealing, and the position welding prevents that the cooling channel bypass from revealing between the adjacent cooling channel. By the mode, the pollution can be reduced, the welding success rate is high, the production beat is short, and the product cost is obviously reduced; the cleanliness of the welded product is obviously improved, and the service life of the heat management system is prolonged; the energy consumption of processing equipment is low.
Description
Technical Field
The invention relates to the technical field of battery cooling plate processing, in particular to a processing technology of a battery cooling plate.
Background
In a battery system of an electric automobile in the current market, a battery cooling plate is used as a main element of a thermal management system; the cooling plate is welded to the integrally formed cooling channel by adopting a brazing process. Because the large-size cooling plate (generally 1.5mx1 m) uses the brazing process, the brazing equipment has large size, high energy consumption requirement, large required production field and low yield; meanwhile, soldering flux is required to be added in the brazing process, so that the brazing process has high pollution and can pollute cooling liquid.
Disclosure of Invention
The invention mainly solves the technical problem of providing a processing technology of a battery cooling plate, which can reduce pollution by a welding mode of melting and combining plates into a whole, has higher welding success rate and short production cycle, and obviously reduces the product cost; the cleanliness of the welded product is obviously improved, and the service life of the heat management system is prolonged; the energy consumption of processing equipment is low.
In order to solve the technical problems, the invention adopts a technical scheme that: providing a processing technology of a battery cooling plate, wherein the battery cooling plate comprises a cooling upper plate and a cooling lower plate, and the cooling upper plate and the cooling lower plate are welded together in a stirring friction welding or laser welding mode; be equipped with the cooling channel that meanders spirals on the cooling upper plate, the welding region of battery cooling plate includes the peripheral round of battery cooling plate and the position between the adjacent cooling channel, and the peripheral welding of battery cooling plate prevents that the outside from revealing, and the position welding prevents that the cooling channel bypass from revealing between the adjacent cooling channel.
Further, when a friction stir welding mode is adopted, a mechanical arm is used for welding, a welding head for friction stir welding is installed on a flange plate of the mechanical arm, and meanwhile, the force feedback, the stress and the rotating speed of the welding head and the welding posture and the welding track of the robot are integrated.
Further, the welding process comprises the following steps: clamping a workpiece, rotating a friction stir welding head to prick the workpiece, rotating and melting, welding a track, and ending the welding.
Furthermore, welding parameters need to be monitored in the welding process, and the welding parameters comprise the rotating speed of a shaft tip, the inclination angle of a welding head, the moving speed of the welding head, the pressing amount of a shaft and the pressing force of the shaft.
Further, a cooling channel on the cooling upper plate is processed by adopting a hydraulic forming process, and an aluminum plate is extruded into a die for forming by using air of 30-100 bar; the pressure of the machine pressing the workpiece is about 500T, and the air pressure of extrusion molding is 100 bar.
Furthermore, when the hydraulic forming process is carried out, a machine needs to be protected, except for the operation surface which uses the grating, the rest non-operation surfaces use the grid fence, and the machine is provided with an electric control safety bolt switch.
The beneficial effects of the invention include the following:
1. brazing materials do not need to be added on the welding body, so that the pollution to the environment is reduced; meanwhile, the welding success rate is high, the production beat is short, and the product cost is obviously reduced;
2. the cleanliness of the welded product is obviously improved, and the service life of the heat management system is prolonged;
3. the processing equipment has smaller size than the brazing equipment, is simple and easy to manufacture, has low energy consumption, compact production line and obvious energy-saving and consumption-reducing effects.
Drawings
FIG. 1 is a schematic top view of a battery cooling plate according to a preferred embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view A-A of the battery cooling plate of FIG. 1;
FIG. 3 is a partially enlarged schematic view of the battery cooling plate of FIG. 2;
the parts in the drawings are numbered as follows: 1. cooling the upper plate; 2. cooling the lower plate; 3. a cooling channel; 4. a welding area.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the invention.
Referring to fig. 1 to 3, an embodiment of the present invention includes:
a battery cooling plate processing technology comprises an upper cooling plate 1 and a lower cooling plate 2, wherein the upper cooling plate and the lower cooling plate are welded together in a friction stir welding or laser welding mode; be equipped with the cooling channel 3 that meanders spirals on the cooling upper plate, the welding region 4 of battery cooling plate includes the peripheral round of battery cooling plate and the position between the adjacent cooling channel, and the peripheral welding of battery cooling plate prevents that the outside from revealing, and the position welding prevents that the cooling channel bypass from revealing between the adjacent cooling channel.
When the friction stir welding mode is adopted, the mechanical arm is used for welding, the welding head for friction stir welding is arranged on the flange plate of the mechanical arm, and meanwhile, the force on the welding head is fed back, the stress and the rotating speed of the welding head are integrated with the welding posture and the track of the robot, so that the welding mode is more flexible, and the welding effect is more ideal.
The welding process comprises the following steps: clamping a workpiece, rotating a friction stir welding head to prick the workpiece, rotating and melting, welding a track, and ending the welding. The welding parameters include the rotating speed of the shaft tip, the inclination angle of the welding head, the moving speed of the welding head, the pressing amount of the shaft and the pressing force of the shaft.
The cooling channel on the cooling upper plate is processed by adopting a hydraulic forming process, and an aluminum plate is extruded into a die for forming by using air of 30-100 bar; the pressure of the machine pressing the workpiece is about 500T, and the air pressure of extrusion molding is 100 bar. When the hydraulic forming process is carried out, a machine needs to be protected, except for an operation surface, a grating is used, other non-operation surfaces use a grid fence, and the machine is provided with an electric control safety bolt switch.
The invention does not need to add brazing materials on the welding body, thereby reducing the pollution to the environment; meanwhile, the welding success rate is high, the production beat is short, and the product cost is obviously reduced; the cleanliness of the welded product is obviously improved, and the service life of the heat management system is prolonged; the processing equipment has smaller size than the brazing equipment, is simple and easy to manufacture, has low energy consumption, compact production line and obvious energy-saving and consumption-reducing effects.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. The processing technology of the battery cooling plate is characterized in that the battery cooling plate comprises a cooling upper plate and a cooling lower plate, the cooling upper plate and the cooling lower plate are welded together, and the welding mode adopts friction stir welding or laser welding; be equipped with the cooling channel that meanders spirals on the cooling upper plate, the welding region of battery cooling plate includes the peripheral round of battery cooling plate and the position between the adjacent cooling channel, and the peripheral welding of battery cooling plate prevents that the outside from revealing, and the position welding prevents that the cooling channel bypass from revealing between the adjacent cooling channel.
2. The process for manufacturing a battery cooling plate according to claim 1, wherein: when the friction stir welding mode is adopted, the mechanical arm is used for welding, a welding head for friction stir welding is arranged on a flange plate of the mechanical arm, and meanwhile, the force feedback, the stress and the rotating speed of the welding head and the welding posture and the welding track of the robot are integrated together.
3. The process for manufacturing a battery cooling plate according to claim 2, wherein: the welding process comprises the following steps: clamping a workpiece, rotating a friction stir welding head to prick the workpiece, rotating and melting, welding a track, and ending the welding.
4. The process for manufacturing a battery cooling plate according to claim 3, wherein: welding parameters need to be monitored in the welding process, and the welding parameters comprise the rotating speed of a shaft tip, the inclination angle of a welding head, the moving speed of the welding head, the pressing amount of a shaft and the pressing force of the shaft.
5. The process for manufacturing a battery cooling plate according to claim 1, wherein: the cooling channel on the cooling upper plate is processed by adopting a hydraulic forming process, and an aluminum plate is extruded into a die to be formed by using air of 30-100 bar; the pressure of the machine pressing the workpiece is about 500T, and the air pressure of extrusion molding is 100 bar.
6. The process for manufacturing a battery cooling plate according to claim 5, wherein: when the hydraulic forming process is carried out, a machine needs to be protected, except for an operation surface, a grating is used, other non-operation surfaces use a grid fence, and the machine is provided with an electric control safety bolt switch.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010770366.2A CN111889875A (en) | 2020-08-04 | 2020-08-04 | Processing technology of battery cooling plate |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010770366.2A CN111889875A (en) | 2020-08-04 | 2020-08-04 | Processing technology of battery cooling plate |
Publications (1)
Publication Number | Publication Date |
---|---|
CN111889875A true CN111889875A (en) | 2020-11-06 |
Family
ID=73183219
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202010770366.2A Pending CN111889875A (en) | 2020-08-04 | 2020-08-04 | Processing technology of battery cooling plate |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN111889875A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112975109A (en) * | 2021-03-15 | 2021-06-18 | 杭州祥博传热科技股份有限公司 | Welding process applying friction stir welding radiator and radiator |
WO2023207209A1 (en) * | 2022-12-23 | 2023-11-02 | 湖北亿纬动力有限公司 | Battery module and electronic device |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105789728A (en) * | 2014-12-23 | 2016-07-20 | 比亚迪股份有限公司 | Liquid-cooled plate for battery, preparation method of liquid-cooled plate, battery module, battery pack and electric vehicle |
CN207765589U (en) * | 2017-12-29 | 2018-08-24 | 开沃新能源汽车集团有限公司 | A kind of electric automobile power battery gradual shrinkage dual channel liquid cooling plate |
CN109921144A (en) * | 2019-03-29 | 2019-06-21 | 潍柴动力股份有限公司 | The coldplate and electric car of battery |
CN110094985A (en) * | 2019-05-22 | 2019-08-06 | 汕头华兴冶金设备股份有限公司 | A kind of novel copper cooling plate and its manufacturing method |
CN111430835A (en) * | 2019-01-10 | 2020-07-17 | 通用汽车环球科技运作有限责任公司 | Bonded cooling plate |
-
2020
- 2020-08-04 CN CN202010770366.2A patent/CN111889875A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105789728A (en) * | 2014-12-23 | 2016-07-20 | 比亚迪股份有限公司 | Liquid-cooled plate for battery, preparation method of liquid-cooled plate, battery module, battery pack and electric vehicle |
CN207765589U (en) * | 2017-12-29 | 2018-08-24 | 开沃新能源汽车集团有限公司 | A kind of electric automobile power battery gradual shrinkage dual channel liquid cooling plate |
CN111430835A (en) * | 2019-01-10 | 2020-07-17 | 通用汽车环球科技运作有限责任公司 | Bonded cooling plate |
CN109921144A (en) * | 2019-03-29 | 2019-06-21 | 潍柴动力股份有限公司 | The coldplate and electric car of battery |
CN110094985A (en) * | 2019-05-22 | 2019-08-06 | 汕头华兴冶金设备股份有限公司 | A kind of novel copper cooling plate and its manufacturing method |
Non-Patent Citations (2)
Title |
---|
戴凤智等: "《工业机器人技术基础及其应用》", 31 January 2020, 机械工业出版社 * |
谢水生等: "《简明铝合金加工手册》", 31 December 2016, 冶金工业出版社 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112975109A (en) * | 2021-03-15 | 2021-06-18 | 杭州祥博传热科技股份有限公司 | Welding process applying friction stir welding radiator and radiator |
WO2023207209A1 (en) * | 2022-12-23 | 2023-11-02 | 湖北亿纬动力有限公司 | Battery module and electronic device |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN111889875A (en) | Processing technology of battery cooling plate | |
CN202147089U (en) | Copper-aluminum dissimilar metal pressure deposition welding machine | |
CN110911600A (en) | Shell, manufacturing method thereof and battery pack | |
CN102825372A (en) | Copper-aluminum column resistance welder and welding control method thereof | |
CN201283474Y (en) | Welder special for compressor copper pipe | |
CN210125824U (en) | Stripping jacking device for welding part machining | |
CN212311114U (en) | Special welding machine system for rapid metal forming by arc method | |
CN210209031U (en) | Spot welding equipment for assembling parts of white body of electric vehicle | |
CN2406766Y (en) | Strand copper wire welder | |
CN210848772U (en) | Polymer diffusion welding machine | |
CN106077931A (en) | A kind of extraordinary mash welder | |
CN202162489U (en) | Copper-aluminum column resistance welding machine | |
CN206084108U (en) | Special type spot welder | |
CN205888410U (en) | Stretchable automatically's novel numerical control welding machine | |
CN219093912U (en) | Welding head for tin adding welding and welding device | |
CN112872037A (en) | Device and method for compositely manufacturing three-layer composite metal plate strip by laser rolling | |
CN215787407U (en) | Electrode mould and have its resistance spot welding system | |
CN109967634A (en) | Sheet metal component TOX riveting equipment | |
CN210436636U (en) | Riveting set based on heat-conduction | |
CN209141240U (en) | A kind of novel wear resistant low-alloy steel mold | |
CN212552411U (en) | Welding structure for outer covering part of vehicle body | |
CN214392773U (en) | Spot welding pen and spot welding equipment | |
CN210649149U (en) | Welding part | |
CN220313992U (en) | Multidirectional operation manipulator | |
CN213618401U (en) | Die mounting workbench mechanism of vibration friction welding machine |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201106 |