CN212910542U - Electric vehicle controller heat abstractor - Google Patents
Electric vehicle controller heat abstractor Download PDFInfo
- Publication number
- CN212910542U CN212910542U CN202021711024.5U CN202021711024U CN212910542U CN 212910542 U CN212910542 U CN 212910542U CN 202021711024 U CN202021711024 U CN 202021711024U CN 212910542 U CN212910542 U CN 212910542U
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- China
- Prior art keywords
- heat dissipation
- mounting
- electric vehicle
- fan
- vehicle controller
- Prior art date
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 94
- 229910052751 metal Inorganic materials 0.000 claims abstract description 30
- 239000002184 metal Substances 0.000 claims abstract description 30
- 238000009434 installation Methods 0.000 claims abstract description 19
- 238000001816 cooling Methods 0.000 claims abstract description 18
- 238000009423 ventilation Methods 0.000 claims description 23
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 230000006641 stabilisation Effects 0.000 abstract description 4
- 238000011105 stabilization Methods 0.000 abstract description 4
- 239000011324 bead Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 235000006506 Brasenia schreberi Nutrition 0.000 description 1
- 244000267222 Brasenia schreberi Species 0.000 description 1
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K11/00—Arrangement in connection with cooling of propulsion units
- B60K11/06—Arrangement in connection with cooling of propulsion units with air cooling
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The utility model relates to an electric motor car technical field discloses an electric vehicle controller heat abstractor. Electric vehicle controller heat abstractor includes: the heat dissipation base is used for placing the controller, metal heat dissipation teeth are arranged on the heat dissipation base, and the metal heat dissipation teeth are abutted to the controller; and the air cooling assembly comprises an installation shell and a fan, the fan is arranged in the installation shell, the installation shell is installed on the heat dissipation base and located on the outer side of the metal heat dissipation teeth, and an air inlet and an air outlet are formed between the air cooling assembly and the heat dissipation base. The utility model provides an electric vehicle controller heat abstractor can improve the radiating efficiency, guarantees the work efficiency of controller, avoids electrical components to damage because of overheated, improves job stabilization nature and life.
Description
Technical Field
The utility model relates to an electric motor car technical field especially relates to an electric vehicle controller heat abstractor.
Background
An electric vehicle, namely an electric drive vehicle, has become one of the main choices of transportation tools for residents in China due to the characteristics of convenience in use, low cost and the like.
The electric vehicle controller is a core control device used for controlling the starting, running, advancing and retreating, speed and stopping of a motor of an electric vehicle and other electronic devices of the electric vehicle, is like the brain of the electric vehicle, and is an important part on the electric vehicle.
When the electric vehicle is under heavy load, long-time climbing and other severe working conditions, the heat productivity is very large, if the heat can not be dissipated from the electric vehicle controller in time, the controller is overheated, the working efficiency of the controller is reduced, the controller overheating protection can be triggered or an electrical element is burnt out, the working stability and the service life of the electric vehicle controller are seriously affected, and certain safety risk is brought to a driver.
SUMMERY OF THE UTILITY MODEL
Based on above, an object of the utility model is to provide an electric vehicle controller heat abstractor can improve the radiating efficiency, guarantees the work efficiency of controller, avoids electrical components to damage because of overheated, improves job stabilization nature and life.
In order to achieve the purpose, the utility model adopts the following technical proposal:
provided is a heat dissipation device for an electric vehicle controller, including:
the heat dissipation base is used for placing a controller, metal heat dissipation teeth are arranged on the heat dissipation base, and the metal heat dissipation teeth are abutted to the controller; and
the air cooling assembly comprises an installation shell and a fan, the fan is arranged in the installation shell, the installation shell is installed on the heat dissipation base and located on the outer side of the metal heat dissipation teeth, and an air inlet and an air outlet are formed between the air cooling assembly and the heat dissipation base.
As an alternative of the heat dissipation device of the electric vehicle controller, the mounting shell is provided with a mounting seat for mounting the fan, and the mounting seat is provided with a plurality of vent holes.
As an alternative of the heat dissipation device of the electric vehicle controller, two ends of the mounting shell are respectively provided with a vent hole, the vent holes are communicated with the vent holes through gaps between the mounting shell and the metal heat dissipation teeth to form a heat dissipation channel, and the fan is arranged in the heat dissipation channel.
As an alternative of the heat dissipation device of the electric vehicle controller, the air cooling assembly further comprises:
the wind shield is detachably connected with the mounting shell and used for blocking wind blown out by the fan from leaking out of the upper end of the mounting shell so as to keep the complete air channel complete, the mounting seat is provided with a guide groove, and the wind shield is provided with a guide sheet capable of being inserted into the guide groove.
As an alternative of the heat sink of the electric vehicle controller, a side surface of the mounting seat is provided with a mounting hole, and the fan can be mounted in the mounting seat through the mounting hole.
As an alternative of the heat dissipation device of the electric vehicle controller, a first limiting buckle is arranged in the mounting seat, and the fan is fixed in the mounting seat through the first limiting buckle.
As an alternative of the heat dissipation device of the electric vehicle controller, an installation groove is formed in the installation shell and used for installing the fan, and the air cooling assembly further comprises:
the draft hood, with the mounting groove can be dismantled the connection, is located the outside of installation shell, be equipped with a plurality of through-holes on the draft hood, the draft hood can restrict the fan is in position in the mounting groove.
As an alternative of the heat dissipation device of the electric vehicle controller, the ventilation hood is connected with the mounting groove through a buckle.
As an alternative of the heat dissipation device of the electric vehicle controller, the air cooling assembly further comprises:
the waterproof cover is arranged on the mounting shell and located on the outer side of the mounting position of the fan, and a labyrinth waterproof structure is arranged on the waterproof cover.
As an alternative of the heat dissipation device of the electric vehicle controller, the mounting shell is detachably connected with the heat dissipation base through a fastening buckle, two ends of the mounting shell in the length direction are respectively provided with a second limiting buckle, and the second limiting buckles are used for limiting the displacement of the mounting shell along the length direction.
The utility model has the advantages that:
the utility model provides an electric vehicle controller heat abstractor passes through the good metal heat dissipation tooth of heat conductivity and controller butt, conduct the heat of controller outside to the heat dissipation base, accelerate the air flow on metal heat dissipation tooth surface by the forced air cooling subassembly again, take away the heat that the metal heat dissipation tooth gived off fast, thereby the cooling efficiency of metal heat dissipation tooth has been accelerated, the radiating efficiency of simultaneous control ware also obtains promoting, guarantee the work efficiency of controller, electrical components damages because of overheated in having avoided the controller, the job stabilization nature and the life of improvement controller.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
Fig. 1 is a schematic structural view of a heat dissipation device of an electric vehicle controller according to a first embodiment of the present invention;
fig. 2 is an exploded schematic view of a heat dissipation device of an electric vehicle controller according to a first embodiment of the present invention;
fig. 3 is a cross-sectional view of a heat dissipation device of an electric vehicle controller according to a first embodiment of the present invention;
fig. 4 is a schematic structural diagram of a mounting housing according to an embodiment of the present invention;
fig. 5 is a schematic partial structural view of an air cooling assembly according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a heat dissipation device of an electric vehicle controller according to an embodiment of the present invention;
fig. 7 is an exploded schematic view of a heat dissipation device of an electric vehicle controller according to an embodiment of the present invention.
In the figure:
100. a controller;
1. a heat dissipation base; 101. a metal heat dissipation tooth;
2. an air-cooled assembly; 21. mounting a shell; 211. a mounting seat; 212. a vent hole; 213. a guide groove; 214. a vent; 215. a first limit buckle; 216. fastening a buckle; 217. a second limit buckle; 218. mounting grooves; 22. a fan; 23. a wind deflector; 231. a guide piece; 24. a ventilation hood; 25. a water shield.
Detailed Description
In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
Example one
As shown in fig. 1-5, the present embodiment provides a heat dissipation device for an electric vehicle controller 100, which is used for cooling the electric vehicle controller 100 and ensuring that the controller 100 can work at a normal temperature, the heat dissipation device for an electric vehicle controller includes a heat dissipation base 1 and an air cooling component 2, the heat dissipation base 1 is used for placing the controller 100, a metal heat dissipation tooth 101 is disposed on the heat dissipation base 1, the metal heat dissipation tooth 101 abuts against the controller 100, the air cooling component 2 includes an installation shell 21 and a fan 22, the fan 22 is disposed in the installation shell 21, the installation shell 21 is installed on the heat dissipation base 1 and is located outside the metal heat dissipation tooth 101, and an air inlet and an air outlet are disposed between the air cooling component 2 and the heat dissipation base.
Particularly, the electric vehicle controller heat abstractor that this embodiment provided passes through the good metal heat dissipation tooth 101 of heat conductivity and the butt of controller 100, conduct the heat of controller 100 outside heat dissipation base 1, accelerate the air flow on metal heat dissipation tooth 101 surface by air-cooled subassembly 2 again, take away the heat that metal heat dissipation tooth 101 gived off fast, thereby the cooling efficiency of metal heat dissipation tooth 101 has been accelerated, the radiating efficiency of controller 100 also obtains promoting simultaneously, guarantee controller 100's work efficiency, electrical components damages because of overheated in having avoided controller 100, the job stabilization nature and the life of improvement controller 100.
Optionally, the heat dissipation base 1 is provided with metal heat dissipation teeth 101 on two opposite sides, the metal heat dissipation teeth 101 are made of iron or aluminum alloy, and the contact area between the metal heat dissipation teeth and air is increased by arranging the tooth-shaped structures, so that the heat dissipation efficiency is improved.
Optionally, as shown in fig. 2 to 4, a mounting seat 211 is provided on the mounting shell 21 for mounting the fan 22, and a plurality of ventilation holes 212 are provided on the mounting seat 211. Further, both ends of the mounting case 21 are provided with vents 214, the vents 212 communicate with the vents 214 through gaps between the mounting case 21 and the metal heat dissipation teeth 101 to form a heat dissipation channel, and the fan 22 is disposed in the heat dissipation channel. Specifically, in the present embodiment, the ventilation holes 212 are air inlets, and the ventilation holes 214 are air outlets, that is, the fan 22 blows air toward the metal heat dissipation teeth 101, so as to suck normal temperature air from the ventilation holes 212, and the air absorbs heat from the metal heat dissipation teeth 101 during flowing along the heat dissipation channel, and finally flows out from the ventilation holes 214 to take away heat.
Optionally, as shown in fig. 2, the air-cooled assembly 2 further includes a wind deflector 23, the wind deflector 23 is detachably connected to the mounting shell 21, and is configured to prevent wind blown by the fan 22 from leaking out of the upper end of the mounting shell 21, so as to keep the complete air duct complete, the mounting seat 211 is provided with a guide groove 213, and the wind deflector 23 is provided with a guide tab 231 that can be inserted into the guide groove 213.
Optionally, a first limit buckle 215 is disposed in the mounting seat 211, and the fan 22 is fixed in the mounting seat 211 through the first limit buckle 215.
Specifically, the both ends of deep bead 23 are equipped with the buckle, and when the air-cooled subassembly 2 of installation, pack into the mount pad 211 with fan 22 earlier in, make first spacing buckle 215 block fan 22, then insert guide slot 213 with the guide vane 231 on the deep bead 23 for the buckle and the mount pad 211 joint at deep bead 23 both ends.
Preferably, a side surface of the mounting seat 211 is provided with a mounting hole, and the fan 22 can be mounted in the mounting seat 211 through the mounting hole. When the fan 22 needs to be maintained, the fan 22 can be directly disassembled and assembled through the mounting hole without disassembling and assembling the mounting shell 21, and the efficiency of disassembling, assembling and maintaining the fan 22 is improved.
Optionally, as shown in fig. 5, the air-cooled assembly 2 further includes a waterproof cover 25, the waterproof cover 25 is mounted on the mounting case 21 and located outside the mounting position of the fan 22, and a labyrinth waterproof structure is provided on the waterproof cover 25. Specifically, the arrangement of the labyrinth waterproof structure prevents water from being splashed into the mounting seat 211 along a straight line or a circular arc curve, and simultaneously does not affect the suction of air into the heat dissipation channel by the fan 22, thereby improving the waterproof performance of the air cooling assembly 2.
Alternatively, the waterproof cover 25 and the mounting case 21 are connected by a snap fit.
Optionally, the mounting shell 21 is detachably connected to the heat dissipation base 1 through a fastening buckle 216, both ends of the mounting shell 21 in the length direction are provided with a second limiting buckle 217, and the second limiting buckle 217 is used for limiting the displacement of the mounting shell 21 along the length direction.
Optionally, the mounting shell 21 is made of plastic, and has the advantages of simple molding, low manufacturing cost, good corrosion resistance, good insulating property and the like.
Example two
As shown in fig. 6 to 7, on the basis of the heat dissipation apparatus for an electric vehicle controller provided in the first embodiment, the present embodiment provides another heat dissipation apparatus for an electric vehicle controller, which is different from the heat dissipation apparatus for an electric vehicle controller provided in the first embodiment in that the mounting housing 21 is not provided with the mounting seat 211, but is provided with a mounting groove 218 for mounting the fan 22, the air-cooling assembly 2 further includes a ventilation hood 24, the ventilation hood 24 is detachably connected to the mounting groove 218 and is located outside the mounting housing 21, the ventilation hood 24 is provided with a plurality of through holes, and the ventilation hood 24 can limit the position of the fan 22 in the mounting groove 218. Specifically, the fan 22 sucks in the outside air through the through hole in the ventilation hood 24, the air absorbs heat from the metal heat dissipation teeth 101 in the process of flowing along the heat dissipation channel, and finally flows out from the ventilation opening 214 to take away the heat, when the fan 22 needs to be maintained, the ventilation hood 24 can be directly detached to disassemble and assemble the fan 22, the fan mounting shell 21 does not need to be disassembled and assembled, and the efficiency of disassembling, assembling and maintaining the fan 22 is improved.
Optionally, the ventilation hood 24 is snap-fit connected to the mounting slot 218.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (10)
1. An electric vehicle controller heat dissipation device, comprising:
the heat dissipation device comprises a heat dissipation base (1) used for placing a controller (100), wherein metal heat dissipation teeth (101) are arranged on the heat dissipation base (1), and the metal heat dissipation teeth (101) are abutted to the controller (100); and
air-cooled subassembly (2), including installation shell (21) and fan (22), fan (22) are located in installation shell (21), installation shell (21) install in on heat dissipation base (1), be located the outside of metal heat dissipation tooth (101), air-cooled subassembly (2) with be equipped with air intake and air outlet between heat dissipation base (1).
2. The heat dissipation device of the electric vehicle controller according to claim 1, wherein a mounting seat (211) is disposed on the mounting housing (21) for mounting the fan (22), and a plurality of ventilation holes (212) are disposed on the mounting seat (211).
3. The electric vehicle controller heat dissipation device according to claim 2, wherein both ends of the mounting case (21) are provided with ventilation openings (214), the ventilation openings (212) are communicated with the ventilation openings (214) through gaps between the mounting case (21) and the metal heat dissipation teeth (101) to form a heat dissipation channel, and the fan (22) is disposed in the heat dissipation channel.
4. The electric vehicle controller heat dissipation device according to claim 3, wherein the air-cooled assembly (2) further comprises:
wind shield (23), wind shield (23) with installation shell (21) can be dismantled and be connected for block wind that fan (22) blow off is followed the upper end of installation shell (21) leaks to it is complete to keep complete wind channel, be equipped with guide way (213) on mount pad (211), be equipped with on wind shield (23) and insert and locate guide plate (231) in guide way (213).
5. The electric vehicle controller heat dissipation apparatus according to claim 2, wherein a side surface of the mounting seat (211) is provided with a mounting hole through which the fan (22) can be fitted into the mounting seat (211).
6. The heat dissipation device of the electric vehicle controller according to claim 2, wherein a first limit buckle (215) is disposed in the mounting seat (211), and the fan (22) is fixed in the mounting seat (211) through the first limit buckle (215).
7. The electric vehicle controller heat dissipation apparatus of claim 1, wherein the mounting housing (21) is provided with a mounting groove (218) for mounting the fan (22), and the air-cooling assembly (2) further comprises:
ventilation hood (24), with mounting groove (218) can be dismantled and be connected, be located the outside of installation shell (21), be equipped with a plurality of through-holes on ventilation hood (24), ventilation hood (24) can restrict fan (22) is in position in mounting groove (218).
8. The electric vehicle controller heat dissipation device according to claim 7, wherein the ventilation hood (24) is connected with the mounting groove (218) by a snap fit.
9. The electric vehicle controller heat dissipation device according to any one of claims 1-8, wherein the air-cooled assembly (2) further comprises:
and the waterproof cover (25) is arranged on the mounting shell (21) and positioned on the outer side of the mounting position of the fan (22), and a labyrinth waterproof structure is arranged on the waterproof cover (25).
10. The heat dissipation device of the electric vehicle controller as claimed in any one of claims 1 to 8, wherein the mounting shell (21) is detachably connected to the heat dissipation base (1) through a fastening buckle (216), both ends of the mounting shell (21) in the length direction are provided with second limit buckles (217), and the second limit buckles (217) are used for limiting the displacement of the mounting shell (21) in the length direction.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021711024.5U CN212910542U (en) | 2020-08-17 | 2020-08-17 | Electric vehicle controller heat abstractor |
| PCT/CN2021/077566 WO2022037030A1 (en) | 2020-08-17 | 2021-02-24 | Heat dissipation device for electric vehicle controller |
| TW110202239U TWM616728U (en) | 2020-08-17 | 2021-03-02 | Heat dissipating device for electric vehicle controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021711024.5U CN212910542U (en) | 2020-08-17 | 2020-08-17 | Electric vehicle controller heat abstractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212910542U true CN212910542U (en) | 2021-04-06 |
Family
ID=75243162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021711024.5U Active CN212910542U (en) | 2020-08-17 | 2020-08-17 | Electric vehicle controller heat abstractor |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN212910542U (en) |
| TW (1) | TWM616728U (en) |
| WO (1) | WO2022037030A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115103578B (en) * | 2022-07-27 | 2022-11-11 | 深圳市德兰明海科技有限公司 | External internal circulation air duct assembly and inverter using same |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7136286B2 (en) * | 2005-01-10 | 2006-11-14 | Aaeon Technology Inc. | Industrial computer with aluminum case having fins as radiating device |
| CN201947595U (en) * | 2011-03-01 | 2011-08-24 | 中山大洋电机制造有限公司 | Forced air cooling motor controller structure |
| CN203457481U (en) * | 2013-08-27 | 2014-02-26 | 浙江尤奈特电机有限公司 | Air-cooling controller |
| CN204259345U (en) * | 2014-12-09 | 2015-04-08 | 安徽合力股份有限公司 | A kind of electric machine controller assembly apparatus of the electri forklift with tooth-like heat radiation |
| CN211959903U (en) * | 2020-04-29 | 2020-11-17 | 江苏协昌电子科技股份有限公司 | Electric vehicle controller structure with external fan |
| CN211831656U (en) * | 2020-04-29 | 2020-10-30 | 江苏协昌电子科技股份有限公司 | Electric vehicle controller structure with external fan |
-
2020
- 2020-08-17 CN CN202021711024.5U patent/CN212910542U/en active Active
-
2021
- 2021-02-24 WO PCT/CN2021/077566 patent/WO2022037030A1/en active Application Filing
- 2021-03-02 TW TW110202239U patent/TWM616728U/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022037030A1 (en) | 2022-02-24 |
| TWM616728U (en) | 2021-09-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 3 Gongye West Road, Songshan Lake Park, Dongguan City, Guangdong Province, 523000 Patentee after: Guangdong Gaobiao Intelligent Technology Co.,Ltd. Address before: No.3, Gongye West Road, Songshanhu high tech Industrial Development Zone, Dongguan City, Guangdong Province Patentee before: SHENZHEN GOBAO ELECTRONIC TECHNOLOGY Co.,Ltd. |
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| CP03 | Change of name, title or address |