CN113634842A - High-frequency induction automatic welding device and process for battery pack cooling pipe - Google Patents
High-frequency induction automatic welding device and process for battery pack cooling pipe Download PDFInfo
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- CN113634842A CN113634842A CN202111014740.7A CN202111014740A CN113634842A CN 113634842 A CN113634842 A CN 113634842A CN 202111014740 A CN202111014740 A CN 202111014740A CN 113634842 A CN113634842 A CN 113634842A
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- welding
- cooling pipe
- frequency
- battery pack
- frequency induction
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- 238000003466 welding Methods 0.000 title claims abstract description 105
- 238000001816 cooling Methods 0.000 title claims abstract description 50
- 230000006698 induction Effects 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000008569 process Effects 0.000 title claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 32
- 238000005219 brazing Methods 0.000 claims abstract description 27
- 230000000694 effects Effects 0.000 claims abstract description 12
- 238000003384 imaging method Methods 0.000 claims abstract description 12
- 238000001514 detection method Methods 0.000 claims abstract description 9
- 230000000007 visual effect Effects 0.000 claims abstract description 9
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 230000004907 flux Effects 0.000 claims description 3
- 230000003584 silencer Effects 0.000 claims description 2
- 238000001179 sorption measurement Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 230000002500 effect on skin Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/002—Soldering by means of induction heating
-
- 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
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
-
- 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
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
- B23K3/087—Soldering or brazing jigs, fixtures or clamping means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention provides a high-frequency induction automatic welding device and a high-frequency induction automatic welding process for a cooling pipe of a battery pack, wherein the high-frequency induction automatic welding device comprises a high-frequency brazing mechanism, a cooling pipe fixing mechanism and a visual detection mechanism, the welding device comprises a high-frequency generator and a feed module, and the feed module comprises an electrode contact, an induction coil and an impedor; the fixing mechanism comprises a vacuum suction base which is arranged under the induction coil and used for fixing the cooling pipe joint and a fixing support which is connected with the high-frequency brazing mechanism and used for fixing the cooling pipe body; the visual detection mechanism comprises a brazing imaging acquisition device and an image processing device. According to the invention, the cooling pipe is welded through the automatic brazing device, and the joint is fixed in an adsorption manner through the vacuum suction base, so that the consistency and stability of the pipe fitting are ensured, the influence of local welding temperature on the welding effect due to position deviation is avoided, the welding condition is detected based on the visual detection mechanism, the device can be automatically closed after the welding is finished, and the welding quality and efficiency of the cooling pipe are improved.
Description
Technical Field
The invention relates to the technical field of welding of a battery pack cooling pipe of a new energy automobile, in particular to a high-frequency induction automatic welding device and process for the battery pack cooling pipe.
Background
In the prior art, the welding forming processes commonly used for the battery cooling system mainly include laser welding, friction welding, argon arc welding, explosion welding, high-frequency induction brazing, atmosphere tunnel furnace welding and the like, wherein the high-frequency induction welding (with the frequency of 300-450 kHz) is widely applied due to the advantages of high heating speed, small heat affected zone, capability of avoiding or reducing the formation of brittle compounds on the welding surface and the like.
The high-frequency welding is a novel welding process for butting steel plates and other metal materials by utilizing a skin effect and an adjacent effect generated by high-frequency current, the high-frequency welding technology is one of key processes of straight welded pipe production, the quality of welding quality directly influences the overall strength, quality and production efficiency of welded pipe products, and in order to meet the requirements of the welding industry on high-quality and high-efficiency production, the welding flexibility, intelligence and automation become the development trend of the welding industry.
Disclosure of Invention
The invention aims to provide a high-frequency induction automatic welding device and a high-frequency induction automatic welding process for a battery pack cooling pipe, and aims to solve the problems in the background art.
In order to achieve the purpose, the invention adopts the following technical scheme:
a high-frequency induction automatic welding device for a battery pack cooling pipe comprises:
the high-frequency brazing mechanism comprises a high-frequency generator and a feeding module, wherein the feeding module comprises an electrode contact, an induction coil and an impedor;
the cooling pipe fixing mechanism comprises a vacuum suction base arranged right below the induction coil and used for fixing a cooling pipe joint, and a fixing support which is positioned right above the vacuum suction base and connected with the high-frequency brazing mechanism and used for fixing a cooling pipe body; and
the visual detection mechanism comprises a brazing imaging acquisition device and an image processing device.
Preferably, the high frequency generator is provided with a circuit which is connected with a power supply and converts low frequency alternating current input by the power supply into high frequency alternating current.
Furthermore, the vacuum air suction base comprises a base with a cavity arranged inside and two positioning protrusions arranged at the upper end of the base side by side, the center of each protrusion is provided with an air hole communicated with the cavity of the base downwards, the lower end of each air hole is horizontally provided with a group of air inlet nozzles and silencers, the air inlet nozzles are communicated with the cavity, and the air outlet ends of the air inlet nozzles and the compressed air high-speed injection device are connected.
Preferably, the lower end face of the base is provided with a sliding block and is connected with the high-frequency brazing mechanism through a sliding rail, and the sliding rail is further provided with a bolt for adjusting the distance between the base and the high-frequency brazing mechanism.
Preferably, the brazing imaging acquisition device comprises a light source and a camera for acquiring images of the welding area in real time.
A high-frequency induction automatic welding process for a battery pack cooling pipe is realized based on the high-frequency induction automatic welding device for the battery pack cooling pipe, and comprises the following steps:
fixing and clamping a joint of a cooling pipe to be welded and a pipe body, and prefabricating welding flux on a welding surface;
step two, starting a high-frequency brazing mechanism for welding, and simultaneously starting a light source to acquire images of a welding area in real time through a camera and transmit the images to an image processing system;
and step three, the image processing system analyzes and processes the received image until the image processing system judges that the welding is finished and then automatically closes the welding device.
Further, the first step is specifically realized by the following method:
placing a cooling pipe joint to be welded on a vacuum air suction base, clamping a protrusion on the vacuum air suction base with a groove of the joint, and simultaneously starting a compressed air high-speed injection device;
clamping a cooling pipe body to be welded on a fixed support;
and adjusting the base to align the welding surfaces of the joint and the pipe body, and prefabricating welding wires on the welding surfaces.
Further, the third step is specifically realized by the following method:
prefabricating an image of a standard welding surface in an image processing system;
and the image processing system compares the welding surface image acquired by the camera in real time with the image of the standard welding surface, and the welding is finished when the imaging effect of the standard welding surface is achieved.
According to the invention, the cooling pipe is welded through the automatic brazing device, and the joint is fixed in an adsorption manner through the vacuum suction base, so that the consistency and stability of the pipe fitting are ensured, the influence of local welding temperature on the welding effect due to position deviation is avoided, the welding condition is detected based on the visual detection mechanism, the device can be automatically closed after the welding is finished, and the welding quality and efficiency of the cooling pipe are improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the vacuum suction base according to the present invention;
FIG. 3 is a schematic flow chart of the steps of the present invention;
in the figure: 1. a high frequency generator; 2. an induction coil; 3. a vacuum suction base; 31. a base; 32. positioning the projection; 33. air holes; 34. an air inlet nozzle; 35. a muffler; 36. a slider; 37. a slide rail; 38. a bolt; 4. fixing a bracket; 5. a light source; 6. a camera.
Detailed Description
A preferred embodiment of the present invention will be described in detail below with reference to the accompanying drawings.
The high-frequency induction automatic welding device for the cooling pipe of the battery pack, which is shown in figure 1, comprises a high-frequency brazing mechanism, a cooling pipe fixing mechanism and a visual detection mechanism, and comprises a high-frequency generator and a feed module, wherein the feed module comprises an electrode contact, an induction coil and an impedor; the fixing mechanism comprises a vacuum suction base which is arranged under the induction coil and used for fixing the cooling pipe joint and a fixing support which is connected with the high-frequency brazing mechanism and used for fixing the cooling pipe body; the visual detection mechanism comprises a brazing imaging acquisition device and an image processing device.
The high-frequency generator of the preferred embodiment is internally provided with a circuit which is connected with a power supply and converts low-frequency alternating current input by the power supply into high-frequency alternating current, the high-frequency current is converted into a high-frequency magnetic field by using the electromagnetic induction principle after being added to an inductance coil, and the high-frequency magnetic field acts on welding materials in the magnetic field to generate an eddy current effect, namely, induced current which is in direct proportion to the magnetic field intensity is generated in a cooling pipe fitting, the eddy current is influenced by the skin effect, and the higher the frequency is, the more concentrated the surface layer of the pipe body is; meanwhile, when the eddy flows in the pipe body, heat is generated by utilizing the current heat effect principle by means of the inherent resistance value inside; the heat is directly generated in the object, and the heating speed and the efficiency are high.
As shown in fig. 2, in order to ensure the consistency and stability of the pipe fittings and avoid the influence of the local welding temperature due to the position deviation on the welding effect, the vacuum suction base in the preferred embodiment comprises a base with a cavity inside and two positioning protrusions arranged side by side at the upper end of the base, the center of each protrusion is provided with an air hole communicated with the cavity of the base downwards, the lower end of each air hole is horizontally provided with a group of air inlet nozzles and silencers communicated with the cavity, and the air inlet nozzles are connected with the air outlet end of the compressed air high-speed injection device; the lower end face of the base is provided with a sliding block and is connected with the high-frequency brazing mechanism through a sliding rail, and the sliding rail is further provided with a bolt used for adjusting the distance between the base and the high-frequency brazing mechanism, so that the joint and the welding surface of the pipe body can be conveniently adjusted to be aligned before welding.
In specific use, the joint of the pipe fitting is limited through the positioning protrusion, then compressed gas sprayed at a high speed is introduced from the air inlet nozzle and flows out of the silencer, so that downward negative pressure is continuously generated in the cavity of the base, the cooling pipe joint is attracted towards the right lower part, the deformation caused by extruding the joint is avoided, meanwhile, the consistency and the stability of pipe fitting processing can be ensured, and the welding effect caused by the influence of local welding temperature due to position deviation is avoided; meanwhile, hot air in the cavity can be extracted, and the temperature in the air hole is rapidly reduced to achieve the effect of rapid cooling.
The visual detection mechanism mainly aims to collect the reflection point imaging of the welding surface, the welding surface is imaged with good welding effect and almost has no reflection point, and in order to obtain clear imaging data, the brazing imaging collection device of the preferred embodiment comprises a light source and a camera for collecting the image of the welding area in real time.
The high-frequency induction automatic welding process for the cooling pipe of the battery pack, which is realized based on the high-frequency induction automatic welding device for the cooling pipe of the battery pack, as shown in fig. 3, comprises the following steps:
s1, fixing and clamping the joint of the cooling pipe to be welded and the pipe body, and prefabricating welding flux on a welding surface; specifically, a cooling pipe joint to be welded is placed on a vacuum air suction base, a protrusion on the vacuum air suction base is clamped with a groove of the joint, and meanwhile, a compressed air high-speed injection device is started; clamping the cooling pipe body to be welded on the fixed support; then the base is adjusted to align the welding surfaces of the joint and the pipe body, and welding wires are prefabricated on the welding surfaces.
S2, starting a high-frequency brazing mechanism for welding, and simultaneously starting a light source to acquire images of a welding area in real time through a camera and transmit the images to an image processing system;
s3, the image processing system analyzes and processes the received image, and automatically closes the welding device after the image processing system judges that the welding is finished; in the specific operation, an image of a standard welding surface is prefabricated in an image processing system; in the welding process, the image processing system compares the welding surface image acquired by the camera in real time with the image of the standard welding surface, and the welding is completed when the imaging effect of the standard welding surface is achieved.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.
Claims (8)
1. The utility model provides a battery package cooling tube high frequency induction automatic welder which characterized in that includes:
the high-frequency brazing mechanism comprises a high-frequency generator and a feeding module, wherein the feeding module comprises an electrode contact, an induction coil and an impedor;
the cooling pipe fixing mechanism comprises a vacuum suction base arranged right below the induction coil and used for fixing a cooling pipe joint, and a fixing support which is positioned right above the vacuum suction base and connected with the high-frequency brazing mechanism and used for fixing a cooling pipe body; and
the visual detection mechanism comprises a brazing imaging acquisition device and an image processing device.
2. The high-frequency induction automatic welding device for the battery pack cooling pipe according to claim 1, wherein the high-frequency generator is internally provided with a circuit which is connected with a power supply and converts low-frequency alternating current input by the power supply into high-frequency alternating current.
3. The high-frequency induction automatic welding device for the battery pack cooling pipe according to claim 1, wherein the vacuum suction base comprises a base with a cavity formed therein and two positioning protrusions arranged side by side at the upper end of the base, the center of each protrusion is provided with a downward air hole communicated with the cavity of the base, the lower end of each air hole is horizontally provided with a group of air inlet nozzles and a silencer communicated with the cavity, and the air inlet nozzles are connected with the air outlet end of the compressed air high-speed injection device.
4. The high-frequency induction automatic welding device for the battery pack cooling pipe as claimed in claim 3, wherein a sliding block is arranged on the lower end face of the base and is connected with the high-frequency brazing mechanism through a sliding rail, and a bolt for adjusting the distance between the base and the high-frequency brazing mechanism is further arranged on the sliding rail.
5. The high-frequency induction automatic welding device for the battery pack cooling pipe as claimed in claim 1, wherein the brazing imaging acquisition device comprises a light source and a camera for acquiring images of a welding area in real time.
6. A high-frequency induction automatic welding process for a battery pack cooling pipe, which is realized based on the high-frequency induction automatic welding device for the battery pack cooling pipe of any one of claims 1 to 5, and is characterized by comprising the following steps:
fixing and clamping a joint of a cooling pipe to be welded and a pipe body, and prefabricating welding flux on a welding surface;
step two, starting a high-frequency brazing mechanism for welding, and simultaneously starting a light source to acquire images of a welding area in real time through a camera and transmit the images to an image processing system;
and step three, the image processing system analyzes and processes the received image until the image processing system judges that the welding is finished and then automatically closes the welding device.
7. The high-frequency induction automatic welding process for the battery pack cooling pipe as claimed in claim 6, wherein the step one is realized by the following method:
placing a cooling pipe joint to be welded on a vacuum air suction base, clamping a protrusion on the vacuum air suction base with a groove of the joint, and simultaneously starting a compressed air high-speed injection device;
clamping a cooling pipe body to be welded on a fixed support;
and adjusting the base to align the welding surfaces of the joint and the pipe body, and prefabricating welding wires on the welding surfaces.
8. The high-frequency induction automatic welding process for the battery pack cooling pipe as claimed in claim 6, wherein the third step is realized by the following specific method:
prefabricating an image of a standard welding surface in an image processing system;
and the image processing system compares the welding surface image acquired by the camera in real time with the image of the standard welding surface, and the welding is finished when the imaging effect of the standard welding surface is achieved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111014740.7A CN113634842A (en) | 2021-08-31 | 2021-08-31 | High-frequency induction automatic welding device and process for battery pack cooling pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111014740.7A CN113634842A (en) | 2021-08-31 | 2021-08-31 | High-frequency induction automatic welding device and process for battery pack cooling pipe |
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| Publication Number | Publication Date |
|---|---|
| CN113634842A true CN113634842A (en) | 2021-11-12 |
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| CN202111014740.7A Pending CN113634842A (en) | 2021-08-31 | 2021-08-31 | High-frequency induction automatic welding device and process for battery pack cooling pipe |
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| CN211438572U (en) * | 2019-12-31 | 2020-09-08 | 苏州光韵达光电科技有限公司 | Laser welding equipment with vacuum adsorption function |
| CN113275688A (en) * | 2021-05-13 | 2021-08-20 | 常州腾龙汽车零部件股份有限公司 | Induction heating aluminum brazing method with infrared temperature and image vision dual detection control |
-
2021
- 2021-08-31 CN CN202111014740.7A patent/CN113634842A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62128536A (en) * | 1985-11-29 | 1987-06-10 | Sony Corp | Solder welder for solid-state image sensor |
| JPH0966358A (en) * | 1995-09-04 | 1997-03-11 | Sharp Corp | Automatic brazing device |
| CN201064847Y (en) * | 2007-08-07 | 2008-05-28 | 天津市机电工业控股集团公司 | Special-purpose high frequency induced brazing machine for heavy current electrode contactor bridge-shape contact |
| CN206084056U (en) * | 2016-10-19 | 2017-04-12 | 珠海格力电器股份有限公司 | Induction brazing system |
| CN107790879A (en) * | 2017-11-29 | 2018-03-13 | 东莞市力星激光科技有限公司 | A kind of double cover plate of power battery laser-beam welding machine and welding method |
| CN208195892U (en) * | 2018-04-30 | 2018-12-07 | 温州市华邦电子有限公司 | A kind of board production spot welding device |
| CN208437820U (en) * | 2018-07-09 | 2019-01-29 | 深圳市奥华激光科技有限公司 | A kind of battery cover automatic laser welding machine |
| CN211438572U (en) * | 2019-12-31 | 2020-09-08 | 苏州光韵达光电科技有限公司 | Laser welding equipment with vacuum adsorption function |
| CN113275688A (en) * | 2021-05-13 | 2021-08-20 | 常州腾龙汽车零部件股份有限公司 | Induction heating aluminum brazing method with infrared temperature and image vision dual detection control |
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Address after: 246000 zone 16, Yingbin Avenue, development zone, Anqing City, Anhui Province Applicant after: Anhui Xinfu New Energy Technology Co.,Ltd. Applicant after: Anhui Huanxin Group Co.,Ltd. Address before: 246000 zone 16, Yingbin Avenue, development zone, Anqing City, Anhui Province Applicant before: ANHUI XINFU NEW ENERGY TECHNOLOGY Co.,Ltd. Applicant before: Anhui Huanxin Group Co.,Ltd. |
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Effective date of registration: 20220906 Address after: 246699 No. 17 Fangxing Road, Laofeng Town, Economic and Technological Development Zone, Anqing City, Anhui Province Applicant after: Anhui Xinfu New Energy Technology Co.,Ltd. Address before: 246000 zone 16, Yingbin Avenue, development zone, Anqing City, Anhui Province Applicant before: Anhui Xinfu New Energy Technology Co.,Ltd. Applicant before: Anhui Huanxin Group Co.,Ltd. |
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Application publication date: 20211112 |