CN115395165A - New energy battery box and liquid cooling plate integrated structure and manufacturing process - Google Patents
New energy battery box and liquid cooling plate integrated structure and manufacturing process Download PDFInfo
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- CN115395165A CN115395165A CN202211158679.8A CN202211158679A CN115395165A CN 115395165 A CN115395165 A CN 115395165A CN 202211158679 A CN202211158679 A CN 202211158679A CN 115395165 A CN115395165 A CN 115395165A
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- Prior art keywords
- plate
- temperature
- runner
- runner plate
- inlet pipe
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- 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
- H01M10/65—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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a new energy battery box and liquid cooling plate integrated structure and a manufacturing process, wherein the new energy battery box and liquid cooling plate integrated structure comprises a temperature-equalizing plate, a runner plate, a refrigerant outlet pipe and a refrigerant inlet pipe, wherein the runner plate is fixedly arranged on the back surface of the temperature-equalizing plate and is connected with the temperature-equalizing plate through furnace brazing; the uniform temperature plate and the runner plate are subjected to punch forming and degreasing treatment through a high-temperature degreasing furnace; then, the mixture passes through a brazing flux spraying furnace; riveting the temperature equalizing plate and the outlet/inlet pipe, performing boiler brazing and drying, then cutting, and bending according to the bending groove; and welding and fixing the bent box body through argon arc welding. The invention has the beneficial effects that: the battery package bottom temperature-uniforming plate directly forms the runner plate with the runner plate brazing together, and coolant gets into from the water inlet, discharges from the delivery port and forms the passageway, through the cavity of runner plate and the dull and stereotyped formation of battery bottom, takes away the heat that the battery produced, has practiced thrift the material, has reduced the process, subtracts battery package weight to the production yield of enterprise has been increased by a wide margin.
Description
Technical Field
The invention relates to the technical field of new energy battery boxes, in particular to a new energy battery box and liquid cooling plate integrated structure and a manufacturing process.
Background
In the prior art, in the new energy battery industry, the battery package is its indispensable partly, and the current new energy battery of market wraps liquid cold drawing and battery package separately processing, then through bolt or welding assembly together, this kind of assembly methods cost is higher, and the structure is relatively complicated, as shown in fig. 4, by a plurality of screw fixed connection, and through welded connection, the problem of seepage can appear after using a period in this kind of connection methods, and the heat transfer effect of battery is also relatively unstable, and the yield of product is lower.
Disclosure of Invention
The invention aims to provide a new energy battery box and liquid cooling plate integrated structure and a manufacturing process thereof, 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 box and liquid cooling plate integral structure, includes temperature-uniforming plate, runner plate, refrigerant outlet pipe and refrigerant inlet tube, the temperature-uniforming plate is equipped with the first groove of bending that is used for bending respectively all around, the runner plate fixed set up in the temperature-uniforming plate back, and through stove brazing connection.
Preferably, the runner plate is a single-sided composite aluminum plate, and refrigerant circulation pipelines are distributed on the surface of the runner plate and integrally formed by punching.
Preferably, the first bending grooves are a plurality of and are symmetrical around the temperature-equalizing plate, and a plurality of second bending grooves are formed around the other end, far away from the runner plate, of the temperature-equalizing plate.
Further preferably, the temperature equalizing plate is of an integrally formed structure, and the first bending grooves and the second bending grooves are formed in a plurality of modes and are cut through laser.
Preferably, through holes for installing the refrigerant outlet pipe and the refrigerant inlet pipe are respectively formed at one end of the temperature equalizing plate.
Further preferably, soldering lugs are arranged between the refrigerant outlet pipe and the refrigerant inlet pipe and between the refrigerant outlet pipe and the temperature-equalizing plate, and are fixedly connected with the refrigerant inlet pipe and the temperature-equalizing plate through riveting and brazing.
Further optimized, the first bending groove and the two adjacent sides of the second bending groove are fixedly welded and connected through argon arc welding.
The integrated manufacturing process of the new energy battery box and the liquid cooling plate comprises the following steps:
the method comprises the following steps: punching and forming the temperature-equalizing plate and the runner plate, and then degreasing the temperature-equalizing plate and the runner plate at 290 ℃ in a high-temperature degreasing furnace;
step two: then, the runner plate and the temperature-equalizing plate pass through a brazing flux spraying furnace, and when the runner plate passes through the brazing flux spraying furnace, mist brazing flux is sprayed out by spraying equipment;
step three: riveting the temperature-uniforming plate, the refrigerant outlet pipe and the refrigerant inlet pipe, sleeving a soldering lug on the refrigerant outlet pipe and the refrigerant inlet pipe, inserting the refrigerant outlet pipe and the refrigerant inlet pipe into the hole of the temperature-uniforming plate, exposing one section of the refrigerant outlet pipe and the refrigerant inlet pipe at the bottom, expanding the section of the refrigerant outlet pipe and the section of the refrigerant inlet pipe exposed out of the temperature-uniforming plate at the bottom through expansion riveting equipment, and riveting the refrigerant outlet pipe, the refrigerant inlet pipe, the soldering lug and the temperature-uniforming plate together;
step four: positioning the temperature-equalizing plate and the runner plate through a boss arranged on the temperature-equalizing plate and an opening arranged on the runner plate, and then putting the temperature-equalizing plate and the runner plate which are riveted and positioned on a conveying belt of a brazing furnace for boiler brazing;
step five: after welding is finished, a refrigerant outlet pipe is sealed, then the refrigerant inlet pipe is inflated to 205KPa, whether the whole liquid cooling plate leaks air or not is checked, and drying is carried out after checking is finished;
step six: correcting and shaping the dried uniform temperature plate and the dried runner plate, then placing the dried uniform temperature plate and the dried runner plate on a laser cutting machine, inputting a plane diagram of the box body into the laser cutting machine to generate a cutting program, then carrying out laser cutting on the liquid cooling plate, and bending the cut model according to the bending size;
step seven: the box body after being bent is welded and fixed through argon arc welding to form an open box body, the weld crater is polished and then subjected to IP67 airtight detection, the opening of the box body is placed on an airtight pad of an airtight detector downwards, 50S is filled into the box body, the pressure is maintained at 4KPa for 10S, 60S is balanced, 60S is tested, 10S is deflated, and electrophoresis and powder spraying protection processes are performed on the box body after the airtightness is completed to complete the manufacture of the battery box and the runner plate.
Advantageous effects
According to the new energy battery box and liquid cooling plate integrated structure and the manufacturing process, the temperature equalizing plate at the bottom of the battery pack is directly brazed with the runner plate to form the runner plate, the cooling medium enters from the water inlet and is discharged from the water outlet to form a passage, and the heat generated by the battery is taken away through a cavity formed by the runner plate and the flat plate at the bottom of the battery. Compared with the structure and the manufacturing process of the traditional battery pack, the structure and the manufacturing process of the battery pack save materials, reduce working procedures, reduce the weight of the battery pack, and greatly increase the production yield of enterprises.
Drawings
FIG. 1 is a schematic front view of the overall structure of the present invention;
FIG. 2 is a bottom view of the overall structure of the present invention;
FIG. 3 is an expanded view of the overall structure of the present invention;
FIG. 4 is a schematic view of a prior art overall structure;
fig. 5 is another angle diagram of the overall structure of the prior art.
Reference numerals
The device comprises a temperature equalizing plate 1, a flow channel plate 2, a refrigerant outlet pipe 3, a refrigerant inlet pipe 4, a first bending groove 5 and a second bending groove 6.
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. 1-3, an integrated structure of a new energy battery box and a liquid cooling plate comprises a temperature-uniforming plate 1, a runner plate 2, a refrigerant outlet pipe 3 and a refrigerant inlet pipe 4, wherein first bending grooves 5 for bending are respectively arranged around the temperature-uniforming plate 1, and the runner plate 2 is fixedly arranged on the back of the temperature-uniforming plate 1 and is connected with the same through furnace brazing.
In this embodiment, the flow channel plate 2 is a single-sided composite aluminum plate, and the refrigerant circulation pipes are distributed on the surface thereof, and the flow channel plate 2 is integrally formed by stamping, so that the sealing performance thereof is ensured. First groove 5 of bending is a plurality of, all is symmetrical around the samming board 1, and the other end that the flow channel board 2 was kept away from to samming board 1 all is equipped with a plurality of second grooves 6 of bending all around, bends into battery box with samming board 1 through two sets of grooves of bending that set up, guarantees its wholeness, and samming board 1 is the integrated into one piece structure, and a plurality of first grooves 5 of bending and a plurality of second grooves 6 of bending all pass through laser cutting. Through holes for arranging a refrigerant outlet pipe 3 and a refrigerant inlet pipe 4 are respectively arranged at one end of the temperature equalizing plate 1. And welding sheets are arranged between the refrigerant outlet pipe 3 and the refrigerant inlet pipe 4 and the temperature-equalizing plate 1 and are fixedly connected with the refrigerant outlet pipe through riveting and brazing, and the two adjacent sides of the first bending groove 5 and the second bending groove 6 are fixedly welded and connected through argon arc welding.
The integrated manufacturing process of the new energy battery box and the liquid cooling plate comprises the following steps:
the method comprises the following steps: punching and forming the uniform temperature plate 1 and the runner plate 2, and then degreasing the uniform temperature plate 1 and the runner plate 2 at 290 ℃ in a high-temperature degreasing furnace;
step two: then the runner plate 2 and the temperature-equalizing plate 1 pass through a brazing flux spraying furnace, and when the runner plate passes through the brazing flux spraying furnace, mist brazing flux is sprayed out by spraying equipment;
step three: riveting a temperature-uniforming plate 1, a refrigerant outlet pipe 3 and a refrigerant inlet pipe 4, sleeving a soldering lug on the refrigerant outlet pipe 3 and the refrigerant inlet pipe 4, inserting the refrigerant outlet pipe 3 and the refrigerant inlet pipe 4 into a hole of the temperature-uniforming plate 1, exposing a section of the refrigerant outlet pipe 3 and the refrigerant inlet pipe 4 at the bottom, expanding the section of the refrigerant outlet pipe 3 and the section of the refrigerant inlet pipe 4 exposed out of the temperature-uniforming plate 1 at the bottom through expansion riveting equipment, and riveting the refrigerant outlet pipe 3, the refrigerant inlet pipe 4, the soldering lug and the temperature-uniforming plate 1 together;
step four: positioning the temperature-equalizing plate 1 and the runner plate 2 through a boss arranged on the temperature-equalizing plate 1 and an opening arranged on the runner plate 2, and then placing the temperature-equalizing plate 1 and the runner plate 2 which are positioned and riveted on a conveying belt of a brazing furnace for boiler brazing;
step five: after welding is finished, a refrigerant outlet pipe 3 is sealed, then a refrigerant inlet pipe 4 is inflated to 205KPa, whether the whole liquid cooling plate leaks air or not is checked, and drying is carried out after checking is finished;
step six: correcting and shaping the dried uniform temperature plate 1 and the dried runner plate 2, then putting the dried uniform temperature plate 1 and the dried runner plate 2 on a laser cutting machine, inputting a plane diagram of the unfolded box body into the laser cutting machine to generate a cutting program, then carrying out laser cutting on the liquid cooling plate, and bending the cut shape according to the bending size;
step seven: the bent box body is welded and fixed through argon arc welding to form an open box body, the weld crater is polished and then subjected to IP67 airtight detection, the opening of the box body is placed downwards on an airtight pad of an airtight detector, the box body is inflated for 50S, the pressure is maintained for 10S under the pressure of 4KPa, the box body is balanced for 60S, the box body is tested for 60S, the box body is deflated for 10S, and after the airtight detection is finished, electrophoresis and powder spraying protection processes are performed on the box body to finish the manufacture of the battery box and the runner plate.
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 without departing from the spirit and principle of the present invention shall fall within the scope of the present invention.
Claims (8)
1. The utility model provides a new forms of energy battery box and liquid cooling plate integral structure which characterized in that: the device comprises a temperature-uniforming plate (1), a runner plate (2), a refrigerant outlet pipe (3) and a refrigerant inlet pipe (4), wherein first bending grooves (5) for bending are formed in the periphery of the temperature-uniforming plate (1) respectively, and the runner plate (2) is fixedly arranged on the back of the temperature-uniforming plate (1) and is connected through furnace brazing.
2. The new forms of energy battery box and liquid cold plate integral structure of claim 1, its characterized in that: the runner plate (2) is a single-side composite aluminum plate, refrigerant circulation pipelines are distributed on the surface of the runner plate, and the runner plate is integrally formed by punching.
3. The new forms of energy battery box and liquid cooling plate integral structure of claim 1, characterized in that: the first bending grooves (5) are multiple and symmetrical to the periphery of the temperature-uniforming plate (1), and a plurality of second bending grooves (6) are arranged at the periphery of the other end of the runner plate (2) and far away from the temperature-uniforming plate (1).
4. The new forms of energy battery box and liquid cold plate integral structure of claim 1, its characterized in that: the temperature equalizing plate (1) is of an integrally formed structure and is provided with a plurality of first bending grooves (5) and a plurality of second bending grooves (6) which are cut by laser.
5. The new forms of energy battery box and liquid cold plate integral structure of claim 1, its characterized in that: and one end of the temperature equalizing plate (1) is respectively provided with a through hole for arranging the refrigerant outlet pipe (3) and the refrigerant inlet pipe (4).
6. The new forms of energy battery box and liquid cold plate integral structure of claim 1, its characterized in that: and soldering lugs are arranged between the refrigerant outlet pipe (3) and the refrigerant inlet pipe (4) and the temperature-uniforming plate (1) and are fixedly connected with the temperature-uniforming plate through riveting and brazing.
7. The new forms of energy battery box and liquid cold plate integral structure of claim 1, its characterized in that: the first bending groove (5) and the two adjacent sides of the second bending groove (6) are fixedly welded and connected through argon arc welding.
8. The integrated manufacturing process of the new energy battery box and the liquid cooling plate is characterized by comprising the following steps of:
the method comprises the following steps: punching and forming the temperature-equalizing plate (1) and the runner plate (2), and then degreasing the temperature-equalizing plate (1) and the runner plate (2) at a high temperature of 290 DEG in a high-temperature degreasing furnace;
step two: then, the runner plate (2) and the temperature-equalizing plate (1) pass through a brazing flux spraying furnace, and when the runner plate passes through the brazing flux spraying furnace, spraying equipment sprays vaporous brazing flux;
step three: riveting the temperature-uniforming plate (1), the refrigerant outlet pipe (3) and the refrigerant inlet pipe (4), sleeving a soldering lug on the refrigerant outlet pipe (3) and the refrigerant inlet pipe (4), inserting the refrigerant outlet pipe (3) and the refrigerant inlet pipe (4) into a hole of the temperature-uniforming plate (1), exposing one section of the refrigerant outlet pipe (3) and the refrigerant inlet pipe (4) at the bottom, expanding one section of the refrigerant outlet pipe (3) and the refrigerant inlet pipe (4) exposed out of the temperature-uniforming plate (1) at the bottom through expanding and riveting equipment, and riveting the soldering lug and the temperature-uniforming plate (1) together;
step four: positioning the temperature-equalizing plate (1) and the runner plate (2) through a boss arranged on the temperature-equalizing plate (1) and an opening arranged on the runner plate (2), and then placing the temperature-equalizing plate (1) and the runner plate (2) which are positioned and riveted on a conveying belt of a brazing furnace for boiler brazing;
step five: after welding is finished, a refrigerant outlet pipe (3) is sealed, then a refrigerant inlet pipe (4) is inflated to 205KPa, whether the whole liquid cooling plate leaks air or not is checked, and drying is carried out after checking is finished;
step six: correcting and shaping the dried uniform temperature plate (1) and the dried runner plate (2), then putting the dried uniform temperature plate (1) and the dried runner plate (2) on a laser cutting machine, inputting a plane diagram of the unfolded box body into the laser cutting machine to generate a cutting program, then carrying out laser cutting on the liquid cooling plate, and bending the cut shape according to the bending size;
step seven: the bent box body is welded and fixed through argon arc welding to form an open box body, the weld crater is polished and then subjected to IP67 airtight detection, the opening of the box body is placed downwards on an airtight pad of an airtight detector, the box body is inflated for 50S, the pressure is maintained for 10S under the pressure of 4KPa, the box body is balanced for 60S, the box body is tested for 60S, the box body is deflated for 10S, and after the airtight detection is finished, electrophoresis and powder spraying protection processes are performed on the box body to finish the manufacture of the battery box and the runner plate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202211158679.8A CN115395165A (en) | 2022-09-22 | 2022-09-22 | New energy battery box and liquid cooling plate integrated structure and manufacturing process |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202211158679.8A CN115395165A (en) | 2022-09-22 | 2022-09-22 | New energy battery box and liquid cooling plate integrated structure and manufacturing process |
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CN115395165A true CN115395165A (en) | 2022-11-25 |
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CN202211158679.8A Pending CN115395165A (en) | 2022-09-22 | 2022-09-22 | New energy battery box and liquid cooling plate integrated structure and manufacturing process |
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CN (1) | CN115395165A (en) |
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2022
- 2022-09-22 CN CN202211158679.8A patent/CN115395165A/en active Pending
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