CN106440894B - A kind of intracavitary soaking plate and its method with continuous spray cooling function - Google Patents
A kind of intracavitary soaking plate and its method with continuous spray cooling function Download PDFInfo
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- CN106440894B CN106440894B CN201610874939.XA CN201610874939A CN106440894B CN 106440894 B CN106440894 B CN 106440894B CN 201610874939 A CN201610874939 A CN 201610874939A CN 106440894 B CN106440894 B CN 106440894B
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- flow channel
- cover plate
- spray cooling
- cooling chamber
- plate
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- 238000001816 cooling Methods 0.000 title claims abstract description 104
- 239000007921 spray Substances 0.000 title claims abstract description 67
- 238000002791 soaking Methods 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000009834 vaporization Methods 0.000 claims abstract description 10
- 230000008016 vaporization Effects 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims abstract description 9
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 2
- 238000009833 condensation Methods 0.000 claims description 2
- 230000005494 condensation Effects 0.000 claims description 2
- 238000005260 corrosion Methods 0.000 claims description 2
- 230000007797 corrosion Effects 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- 238000005245 sintering Methods 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 238000005507 spraying Methods 0.000 claims 1
- 230000017525 heat dissipation Effects 0.000 description 7
- 239000002826 coolant Substances 0.000 description 4
- 238000009835 boiling Methods 0.000 description 3
- 230000009514 concussion Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Abstract
The invention discloses a kind of intracavitary soaking plates and its method with continuous spray cooling function, soaking plate is made of upper cover plate, lower cover plate and inter panel first, in upper cover plate, flow channel is set, flow channel and cooling nozzles are set on inter panel, flow channel and spray cooling chamber are set on lower cover plate, flow channel one end and cooling nozzles when all cover boards weld together on cover board penetrate through, the cooling nozzles are connected to spray cooling chamber, the other end of the flow channel is connected to spray cooling chamber, forming circuit；Spray cooling chamber adjoins with heat source region, and medium is ejected into heat source region again and again in flow channel, to have medium vaporization always in this region surface, prevents heat source region temperature excessively high.The present invention can be effectively reduced the thickness of evaporator section liquid film, strengthen Local Heat Transfer；Even if heat flow density reaches 106W/m2, effectively inhibit evaporator section and dryout, realize the region that continuous spray cooling needs to radiate.
Description
Technical field
The invention belongs to information products to strengthen heat dissipation technology, especially a kind of intracavitary to have the function of continuous spray cooling soaking
Plate and its method.
Background technique
As the heat dissipation problem of electronics miniaturization, the development of circuit integration, various information product is more and more prominent.
In order to solve the heat dissipation problem of information products, people take various measures, and wherein soaking plate technique can preferably solve to believe
Cease the heat dissipation problem of product exothermic temperature.
Soaking plate is the vacuum cavity that an inner wall has fine structure, when the heat at heat source passes to soaking plate, cavity
Interior Absorption of Medium heat and each place for being evaporated to cavity, steam touch colder region condensation, and condensate liquid is by chamber
Intracorporal fine structure flows back at heat source, this process will carry out ground operation in cycles in the cavity.
As people are more and more to the understanding of soaking plate heat, the use scope of soaking plate is also increasingly wider, use environment
Also increasingly harsher, the heat flow density of some electronic devices has had reached 106W/m2Magnitude.It is close in face of electronic device hot-fluid
The continuous of degree is risen, and the soaking plate (CN201520017214.X, CN201510072638.0) of traditional structure also occurs can not
Heat is dissipated in time, locally dryouies the phenomenon for causing temperature excessively high.Traditional soaking plate internal structure is broadly divided into capillary structure
The circular flow of internal cooling medium is realized with micro-channel structure: the capillary force that first kind soaking plate relies primarily on capillary structure；
Second class relies primarily on the surface tension of cooling medium and concussion randomness realizes soaking plate operation.Above-mentioned two classes soaking plate faces
When high heat flux density heat source, it may appear that capillary force conveys cooling medium volume or concussion conveying cooling medium volume is less than evaporation capacity
Phenomenon causes heat source region that can dryout, and local temperature is excessively high.In addition, boiling after soaking plate local temperature is excessively high from nucleate boiling
Develop into transition boiling, steam convergence is covered in heating surface, and steam excludes difficulty, and final heating surface constant temperature is increased, led
Emission and ionization electronic device failure.Therefore, one kind can solve heat flow density and meets or exceeds 106The cooling measure of W/ ㎡ magnitude seems ten
Divide urgent.
Summary of the invention
The purpose of the present invention is to provide a kind of intracavitary soaking plates and its method with special internal structure, make soaking plate
Internal flow quickly flows, and continuously spray cooling can need the region radiated.
The technical solution for realizing the aim of the invention is as follows: a kind of intracavitary soaking plate with continuous spray cooling function and
Flow channel, inter panel is arranged in upper cover plate firstly, soaking plate is made of upper cover plate, lower cover plate and inter panel in its method
Flow channel and spray cooling chamber are arranged on lower cover plate, is welded in all cover boards for upper setting flow channel and cooling nozzles
Flow channel one end and cooling nozzles when together on cover board penetrate through, which is connected to spray cooling chamber, the flowing
The other end of conduit is connected to spray cooling chamber, forming circuit；Spray cooling chamber adjoins with heat source region.
Secondly, medium in the flow channel in upper cover plate, lower cover plate and inter panel is arranged in not when soaking plate is run
It shakes back and forth with stopping, the flow direction of medium in stable rear flow channel can reach unanimity；When media flow is tied to injection
It when structure, is sprayed from cooling nozzles, after the medium of ejection is spread by spray cooling chamber, is ejected into the heat source that soaking plate needs to radiate
Region；It is ejected into the medium of heat source region and causes local pressure to increase in the medium of heat source region vaporization, and then by vapour
The medium of change is pressed again by the flow channel in the circuit formed with spray cooling chamber；The medium of vaporization one side in flow channel
Movement condenses on one side, finally moves to cooling nozzles mouth with liquid or gas-liquid mixed state and is ejected again, so just
Form a loop；Medium is ejected into heat source region again and again in flow channel, to have always in this region surface
Medium vaporization, prevents heat source region temperature excessively high.
Compared with prior art, the present invention its remarkable advantage: (1) good cooling results.The evaporator section of traditional soaking plate plate is more
It is cooled down for submergence, and evaporator section of the present invention is spray cooling, can be effectively reduced the thickness of evaporator section liquid film, strengthens part and changes
Heat.(2) use scope is wide.Current soaking plate due to internal structure limitation, when heat flow density is excessive in soaking plate or even reaches
To 106W/m2When, the medium in soaking plate moves to evaporator section not yet and has just dryouied, and soaking plate local temperature rises violently at this time,
Soaking plate failure.The present invention is since evaporator section is sprayed continuously cooling, even if heat flow density reaches 106W/m2, in soaking plate
Medium can also continuously be ejected into evaporator section, effectively inhibit evaporator section and dryout, and prevent local temperature excessively high, realize continuous injection
The region of cooling requirement heat dissipation.
Present invention is further described in detail with reference to the accompanying drawing.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the intracavitary soaking plate with continuous spray cooling function of the present invention.
Specific embodiment
Embodiment 1
In conjunction with Fig. 1, the intracavitary soaking plate with continuous spray cooling function of the present invention, including at least three cover boards are outermost
The cover board at end is respectively upper cover plate, lower cover plate, and flow channel 1 is arranged in upper cover plate at least one cover board of inter panel, intermediate
Cover board top and bottom are respectively provided with flow channel and cooling nozzles 2 as upper cover plate quantity, setting and cover plate on lower cover plate
The same flow channel of quantity and spray cooling chamber 3, flow channel one end when all cover boards weld together on cover board with
Cooling nozzles 2 penetrate through, which is connected to spray cooling chamber 3, the other end and spray cooling chamber 3 of the flow channel
Connection, forming circuit；Spray cooling chamber 3 adjoins with heat source region 4.The outlet of cooling nozzles 2 and heat source region 4 are corresponding, heat source
Region-runner conduit-cooling nozzles just form a loop.Medium shuttling movement in the loop.
Embodiment 2
In conjunction with Fig. 1, the intracavitary soaking plate with continuous spray cooling function of the present invention, including at least three cover boards are outermost
The cover board at end is respectively upper cover plate, lower cover plate, and flow channel 1 is arranged in upper cover plate at least one cover board of inter panel, intermediate
Cooling nozzles 2 and the flow channel as upper cover plate number of flow channels are set above cover board；Cover plate following settings stream
Spray cooling chamber 3 is arranged and as number of flow channels below inter panel in dynamic conduit and cooling nozzles on lower cover plate
Flow channel, when all cover boards weld together, the flow channel and the flowing that is arranged above of cover plate of upper cover plate setting
Conduit is connected to, and the flow channel being arranged on lower cover plate is connected to the flow channel of cover plate following settings, each flow channel one end
It is penetrated through with cooling nozzles 2, cooling nozzles 2 are connected to spray cooling chamber 3；The other end and spray cooling chamber 3 of each flow channel connect
It is logical, forming circuit；Spray cooling chamber 3 adjoins with heat source region 4.
1 section of flow channel of the above-mentioned intracavitary soaking plate with continuous spray cooling function can be circle or rectangular,
Equivalent aera is not more than 25mm2, spacing is not less than 0.5mm between each flow channel 1.In upper cover plate, lower cover plate, inter panel
The arrangement of 1 parallel uniform of each flow channel, quantity is arranged according to specific dissipating-heat environment.Cooling nozzles 2 are spray cooling knot
Structure is arranged in 3 junction of flow channel 1 and spray cooling chamber.One end connects flow channel 1, and one end corresponds to spray cooling chamber 3.
3 bottom of spray cooling chamber is heat source area 4, and spray cooling chamber 3 is the chamber that an equivalent aera is not more than 4 times of heating source area.Spray
2.0mm can be highly not less than to be round or rectangular by penetrating cooling chamber 3.In addition, in order to strengthen the heat dissipation effect of heat source region, also
Can in the corresponding heat source region 4 in 3 bottom of spray cooling chamber using the measure of increasing heat radiation area, such as setting radiating fin,
Surface sintering metal powder or surface corrosion etc..Heat source region 4 is soaking plate heat dissipation region, and through hole, hole is arranged in heat source region 4
It communicates and corresponds with flow channel 1, the through hole and 2 center line of cooling nozzles of the heat source region are not point-blank.
In conjunction with Fig. 1, the intracavitary method with continuous spray cooling function of soaking plate of the present invention realizes process are as follows: firstly,
Hot plate is made of upper cover plate, lower cover plate and inter panel, and flow channel is arranged in upper cover plate, flow channel is arranged on inter panel
And cooling nozzles, flow channel and spray cooling chamber are set on lower cover plate, when all cover boards weld together on cover board
Flow channel one end and cooling nozzles penetrate through, which is connected to spray cooling chamber, the other end of the flow channel and
The connection of spray cooling chamber, forming circuit；Spray cooling chamber adjoins with heat source region；
Secondly, the medium in the flow channel 1 in upper cover plate, lower cover plate and inter panel is arranged in when soaking plate is run
It ceaselessly shakes back and forth, the flow direction of medium in stable rear flow channel 1 can reach unanimity；When media flow to injection
It when structure, is sprayed from cooling nozzles 2, after the medium of ejection is spread by spray cooling chamber 3, is ejected into what soaking plate needed to radiate
Heat source region 4；It is ejected into the medium of heat source region 4 and causes local pressure to increase in the medium that heat source region 4 vaporizes, into
And the medium of vaporization is pressed again by the flow channel 1 in the circuit formed with spray cooling chamber 3；The medium of vaporization is in flowing groove
It condenses while moving in road 1,2 mouthfuls of cooling nozzles are finally moved to liquid or gas-liquid mixed state and is ejected again
It goes, just forms a loop in this way；Medium is ejected into heat source region 4 again and again in flow channel 1, thus in this area
Field surface has medium vaporization always, prevents 4 temperature of heat source region excessively high.
Claims (8)
1. a kind of intracavitary soaking plate with continuous spray cooling function, it is characterised in that including at least three cover boards, outermost end
Cover board be respectively upper cover plate, lower cover plate, flow channel (1) is arranged in upper cover plate at least one cover board of inter panel, intermediate
Cover board top and bottom are respectively provided with cooling nozzles (2) and the flow channel as upper cover plate quantity, and injection is arranged on lower cover plate
Cooling chamber (3) and the flow channel as inter panel quantity, upper cover plate, lower cover when all cover boards weld together
All flow channel one end and cooling nozzles (2) penetrate through on plate, inter panel, the cooling nozzles (2) and spray cooling chamber (3)
Connection, the upper cover plate, lower cover plate, the other end of all flow channels is connected to spray cooling chamber (3) on inter panel, formation
Circuit；Spray cooling chamber (3) adjoins with heat source region (4).
2. a kind of intracavitary soaking plate with continuous spray cooling function, it is characterised in that including at least three cover boards, outermost end
Cover board be respectively upper cover plate, lower cover plate, flow channel (1) is arranged in upper cover plate at least one cover board of inter panel, intermediate
Cooling nozzles (2) and the flow channel as upper cover plate number of flow channels are set above cover board；It is set below inter panel
Set flow channel and cooling nozzles, on lower cover plate be arranged spray cooling chamber (3) and with flow channel number below inter panel
The same flow channel of amount is set above the flow channel and inter panel of upper cover plate setting when all cover boards weld together
The flow channel set is connected to, and the flow channel being arranged on lower cover plate is connected to the flow channel of inter panel following settings, each to flow
Dynamic conduit one end and cooling nozzles (2) penetrate through, and cooling nozzles (2) are connected to spray cooling chamber (3)；The other end of each flow channel
It is connected to, is formed into a loop with spray cooling chamber (3)；Spray cooling chamber (3) adjoins with heat source region (4).
3. the intracavitary soaking plate with continuous spray cooling function according to claim 1 or 2, it is characterised in that flowing groove
Road (1) section is circle or rectangular, and equivalent aera is not more than 25mm2, spacing is not less than 0.5mm between each flow channel (1).
4. the intracavitary soaking plate with continuous spray cooling function according to claim 1 or 2, it is characterised in that each flowing
Conduit (1) parallel uniform in cover board is arranged.
5. the intracavitary soaking plate with continuous spray cooling function according to claim 1 or 2, it is characterised in that injection is cold
But chamber (3) bottom is heat source region (4), and spray cooling chamber (3) is the chamber that an equivalent aera is not more than 4 times of heating source area.
6. the intracavitary soaking plate with continuous spray cooling function according to claim 1 or 2, it is characterised in that injection is cold
But chamber (3) is round or rectangular, is highly not less than 2.0mm.
7. the intracavitary soaking plate with continuous spray cooling function according to claim 1 or 2, it is characterised in that spraying
Radiating fin, surface sintering metal powder or surface corrosion is arranged to increase the radiating surface of heat source region (4) in cooling chamber (3) bottom
Product.
8. a kind of intracavitary method with continuous spray cooling function of soaking plate, it is characterised in that: firstly, soaking plate is by upper cover
Flow channel is arranged in upper cover plate, setting flow channel and cooling spray on inter panel in plate, lower cover plate and inter panel composition
Flow channel and spray cooling chamber is arranged in mouth on lower cover plate, when all cover boards weld together upper cover plate, lower cover plate, in
Between flow channel one end and cooling nozzles all on cover board penetrate through, which is connected to spray cooling chamber, the upper cover
Plate, lower cover plate, the other end of all flow channels is connected to spray cooling chamber on inter panel, is formed into a loop；Spray cooling chamber
Adjoin with heat source region；
Secondly, medium in the flow channel in upper cover plate, lower cover plate and inter panel is arranged in ceaselessly when soaking plate is run
It shakes back and forth, the flow direction of medium in stable rear flow channel can reach unanimity；When media flow is to injection structure,
It is sprayed from cooling nozzles, after the medium of ejection is spread by spray cooling chamber, is ejected into the heat source region that soaking plate needs to radiate；
It is ejected into the medium of heat source region and causes local pressure to increase in the medium of heat source region vaporization, and then by Jie of vaporization
Matter is pressed again by the flow channel in the circuit formed with spray cooling chamber；The medium of vaporization moves one on one side in flow channel
Side condensation, finally moves to cooling nozzles mouth with liquid or gas-liquid mixed state and is ejected again, just form one in this way
A loop；Medium is ejected into heat source region again and again in flow channel, to have medium vapour always in this region surface
Change, prevents heat source region temperature excessively high.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610874939.XA CN106440894B (en) | 2016-10-07 | 2016-10-07 | A kind of intracavitary soaking plate and its method with continuous spray cooling function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610874939.XA CN106440894B (en) | 2016-10-07 | 2016-10-07 | A kind of intracavitary soaking plate and its method with continuous spray cooling function |
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| Publication Number | Publication Date |
|---|---|
| CN106440894A CN106440894A (en) | 2017-02-22 |
| CN106440894B true CN106440894B (en) | 2019-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610874939.XA Active CN106440894B (en) | 2016-10-07 | 2016-10-07 | A kind of intracavitary soaking plate and its method with continuous spray cooling function |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106455431B (en) * | 2016-10-12 | 2018-06-08 | 上海交通大学 | Board-like loop thermal siphon temperature-uniforming plate |
| CN108712852B (en) * | 2018-07-12 | 2019-07-30 | 厦门大学 | A kind of microchannel heat sink of gas-liquid two-phase mixing jetting |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5959351A (en) * | 1992-09-04 | 1999-09-28 | Hitachi, Ltd. | Liquid-cooled electronic device |
| CN1471159A (en) * | 2003-07-11 | 2004-01-28 | 北京工业大学 | Microjet array cooling heat sink |
| US20080236789A1 (en) * | 2007-03-30 | 2008-10-02 | Mohinder Singh Bhatti | High performance compact thermosiphon with integrated boiler plate |
| CN101566331A (en) * | 2009-06-05 | 2009-10-28 | 南京工业大学 | Pulse thermal fin plate type radiator |
| CN102338581A (en) * | 2010-07-23 | 2012-02-01 | 奇鋐科技股份有限公司 | Thermo-siphon plate structure |
| EP2876400A1 (en) * | 2013-11-20 | 2015-05-27 | ABB Oy | Cooling element |
| CN206177106U (en) * | 2016-10-07 | 2017-05-17 | 南京艾科美热能科技有限公司 | Intracavity has continuous injection cooling function's uniformly heated plate |
-
2016
- 2016-10-07 CN CN201610874939.XA patent/CN106440894B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5959351A (en) * | 1992-09-04 | 1999-09-28 | Hitachi, Ltd. | Liquid-cooled electronic device |
| CN1471159A (en) * | 2003-07-11 | 2004-01-28 | 北京工业大学 | Microjet array cooling heat sink |
| US20080236789A1 (en) * | 2007-03-30 | 2008-10-02 | Mohinder Singh Bhatti | High performance compact thermosiphon with integrated boiler plate |
| CN101566331A (en) * | 2009-06-05 | 2009-10-28 | 南京工业大学 | Pulse thermal fin plate type radiator |
| CN102338581A (en) * | 2010-07-23 | 2012-02-01 | 奇鋐科技股份有限公司 | Thermo-siphon plate structure |
| EP2876400A1 (en) * | 2013-11-20 | 2015-05-27 | ABB Oy | Cooling element |
| CN206177106U (en) * | 2016-10-07 | 2017-05-17 | 南京艾科美热能科技有限公司 | Intracavity has continuous injection cooling function's uniformly heated plate |
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Denomination of invention: Heat equalizing plate with cavity internally having continuous jetting cooling function and method of heat equalizing plate Effective date of registration: 20191213 Granted publication date: 20190111 Pledgee: Bank of China Limited by Share Ltd. Nanjing Jiangning branch Pledgor: NANJING ACME THERMAL ENERGY TECHNOLOGY CO.,LTD. Registration number: Y2019320000356 |
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Denomination of invention: A soaking plate with continuous jet cooling function in cavity and its method Effective date of registration: 20210202 Granted publication date: 20190111 Pledgee: Bank of China Limited by Share Ltd. Nanjing Jiangning branch Pledgor: NANJING ACME THERMAL ENERGY TECHNOLOGY Co.,Ltd. Registration number: Y2021980000932 |
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Denomination of invention: Soaking plate with continuous jet cooling function in cavity and method thereof Effective date of registration: 20211227 Granted publication date: 20190111 Pledgee: Bank of China Limited by Share Ltd. Nanjing Jiangning branch Pledgor: NANJING ACME THERMAL ENERGY TECHNOLOGY CO.,LTD. Registration number: Y2021980016567 |
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