CN111889875A - Processing technology of battery cooling plate - Google Patents

Processing technology of battery cooling plate Download PDF

Info

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
Application number
CN202010770366.2A
Other languages
Chinese (zh)
Inventor
徐海锋
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.)
Sogefi Suzhou Auto Parts Co Ltd
Original Assignee
Sogefi Suzhou Auto Parts 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 Sogefi Suzhou Auto Parts Co Ltd filed Critical Sogefi Suzhou Auto Parts Co Ltd
Priority to CN202010770366.2A priority Critical patent/CN111889875A/en
Publication of CN111889875A publication Critical patent/CN111889875A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K20/00Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
    • B23K20/12Non-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
    • B23K20/122Non-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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K20/00Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
    • B23K20/12Non-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
    • B23K20/129Non-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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/20Bonding
    • B23K26/21Bonding by welding
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/61Types of temperature control
    • H01M10/613Cooling or keeping cold
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/62Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625Vehicles
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/655Solid structures for heat exchange or heat conduction
    • H01M10/6554Rods or plates
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/655Solid structures for heat exchange or heat conduction
    • H01M10/6556Solid parts with flow channel passages or pipes for heat exchange
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy 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

Processing technology of battery cooling plate
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.
CN202010770366.2A 2020-08-04 2020-08-04 Processing technology of battery cooling plate Pending CN111889875A (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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