CN112074171A - Heat dissipation device for power electronics - Google Patents
Heat dissipation device for power electronics Download PDFInfo
- Publication number
- CN112074171A CN112074171A CN202011004825.2A CN202011004825A CN112074171A CN 112074171 A CN112074171 A CN 112074171A CN 202011004825 A CN202011004825 A CN 202011004825A CN 112074171 A CN112074171 A CN 112074171A
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- CN
- China
- Prior art keywords
- dust
- heat dissipation
- wall
- shell
- power electronics
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 230000017525 heat dissipation Effects 0.000 title claims abstract description 35
- 239000000428 dust Substances 0.000 claims abstract description 95
- 238000007790 scraping Methods 0.000 claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims description 15
- 238000004140 cleaning Methods 0.000 claims description 11
- 230000000694 effects Effects 0.000 abstract description 6
- 238000009434 installation Methods 0.000 description 13
- 238000010521 absorption reaction Methods 0.000 description 12
- 241001233242 Lontra Species 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Images
Classifications
-
- 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
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/16—Rigid blades, e.g. scrapers; Flexible blades, e.g. wipers
- B08B1/165—Scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
- B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a heat dissipation device for power electronics, which comprises a shell, wherein mounting holes are formed in two sides of the top of the shell, the inner walls of the two mounting holes are connected with heat conduction pads through fastening bolts, the bottoms of the two heat conduction pads are inserted with uniformly distributed radiating fins with arc structures, heat dissipation holes are formed in two sides of the outer wall of the bottom of the shell, the middle position of the inner wall of the circumference of the shell is connected with a dustproof screen plate through the fastening bolts, and the outer wall of the bottom of the shell is connected with a rotating motor through the fastening bolts. According to the invention, the power electronic device is arranged on the outer wall of the top of the shell, the heat conducting pad conducts and dissipates the temperature of the bottom of the power electronic device, the radiating fins conduct and dissipate the temperature of the heat conducting pad, meanwhile, the dustproof screen plate prevents dust for the radiating fins, and the rotating shaft and the second mounting rod can be driven to rotate by the rotating motor, so that the dust scraping sheet is driven to scrape and remove dust for the bottom of the radiating fins and the bottom of the heat conducting pad, and the heat dissipation effect is ensured.
Description
Technical Field
The invention relates to the technical field of power electronics, in particular to a heat dissipation device for power electronics.
Background
At present, power electronic devices are being developed in the direction of high power, high frequency, and integration. Meanwhile, a lot of heat can be generated when the power electronic device works, and if the heat dissipation problem cannot be solved in time, equipment of some electronic components can be damaged, and the cost can be increased.
Through search, chinese patent publication No. CN108882623B discloses a heat sink for power electronics, which includes a heat dissipating plate, a plurality of first heat dissipating fins and a plurality of second heat dissipating fins; the heat dissipation plate is of a circular structure, and the circular structure comprises an inner ring and an outer ring; the first cooling fins are uniformly distributed on the inner ring, and the second cooling fins are uniformly distributed on the outer ring; and the first radiating fins and the second radiating fins are installed in a staggered mode. The heat sink for power electronics in the above patent has the following disadvantages: when in use, the problem of inconvenient dust removal of the radiating fins is solved, and the radiating effect is not good.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a heat dissipation device for power electronics.
In order to achieve the purpose, the invention adopts the following technical scheme:
a heat dissipation device for power electronics comprises a shell, wherein mounting holes are formed in both sides of the top of the shell, the inner walls of the two mounting holes are connected with heat conducting pads through fastening bolts, the bottoms of the two heat conducting pads are inserted with radiating fins with uniformly distributed arc structures, the two sides of the outer wall of the bottom of the shell are both provided with radiating holes, the middle position of the circumferential inner wall of the shell is connected with a dustproof screen plate through a fastening bolt, the outer wall of the bottom of the shell is connected with a rotating motor through a fastening bolt, an output shaft of the rotating motor is connected with a rotating shaft through a fastening bolt, one end of the rotating shaft extending to the top of the dustproof screen plate is connected with a second mounting rod through the fastening bolt, and the two sides of the top of the second mounting rod are connected with ash scraping sheets which are uniformly distributed through fastening bolts, and the positions of the ash scraping sheets correspond to the positions of gaps between every two adjacent radiating fins.
Preferably, both sides of the inner wall of the top of the shell are connected with a dust collection mechanism through fastening bolts, and the dust collection mechanism comprises a dust collection cavity, a groove and a dust collection hole.
Preferably, the bottom of the dust collection mechanism is provided with uniformly distributed grooves in an arc shape, and the inner diameter of each groove is matched with the outer diameter of each dust scraping sheet.
Preferably, the dust suction mechanism is internally provided with a dust suction cavity, and the dust suction cavity and the groove are arranged at intervals.
Preferably, dust absorption holes which are uniformly distributed are formed in the inner wall of one side, close to the groove, of the dust absorption cavity, and the outer wall of one side of the shell is connected with a dust collector through a fastening bolt.
Preferably, the two sides of the rotating shaft, which are positioned at the bottom of the dustproof screen plate, are connected with first installation rods through fastening bolts, the tops of the two first installation rods are connected with cleaning brushes through the fastening bolts, and the tops of the cleaning brushes are attached to the bottom of the dustproof screen plate.
Preferably, the limiting groove is formed in the bottom of the inner wall of the circumference of the shell, the end, away from the rotating shaft, of each first installation rod is connected with a limiting block through a fastening bolt, and the outer diameter of each limiting block is matched with the inner diameter of the corresponding limiting groove.
Preferably, the circumference of the inner wall of the top of the shell is connected with rotating rods distributed in an annular mode through bearings, and two sides of the circumference of each rotating rod are connected with side wings through fastening bolts.
Preferably, the positions of the two ends of the second mounting rod correspond to the positions of the side wings.
The invention has the beneficial effects that:
1. according to the heat dissipation device for the power electronics, the power electronic device is arranged on the outer wall of the top of the shell through the dust prevention screen plate, the rotating motor and the dust scraping plate, the heat conduction pad conducts and conducts out the temperature of the bottom of the power electronic device, the heat dissipation sheet conducts and dissipates the temperature of the heat conduction pad, meanwhile, the dust prevention screen plate prevents dust for the heat dissipation sheet, the rotating shaft and the second installation rod can be driven to rotate through the rotating motor, the dust scraping plate is driven to scrape and remove the dust of the bottom of the heat dissipation sheet and the bottom of the heat conduction pad, and the heat dissipation effect is guaranteed.
2. According to the heat dissipation device for the power electronics, the dust collection mechanism, the groove, the dust collector and the dust collection hole are arranged, when the dust scraping sheet is driven to rotate through the rotating shaft, when the dust scraping sheet rotates into the groove, negative pressure is pumped inside the dust collection cavity through the dust collector, dust is collected and absorbed by the groove and the dust scraping plate through the dust collection hole, dust on the dust scraping plate is cleaned in time, and heat in the dust scraping plate and the shell is pumped away.
3. According to the heat dissipation device for the power electronics, the first mounting rod and the cleaning brush are arranged, the first mounting rod can be driven to rotate through the rotating motor, and the cleaning brush brushes and removes dust at the bottom of the dustproof screen plate.
Drawings
Fig. 1 is a schematic structural diagram of a heat dissipation device for power electronics in embodiment 1;
fig. 2 is a top sectional view of the heat conducting pad and the dust suction mechanism of the heat dissipating device for power electronics in accordance with embodiment 1;
fig. 3 is a schematic view of an overall structure of a heat dissipation device for power electronics according to embodiment 1;
fig. 4 is a cross-sectional view of the entire side structure of a heat sink for power electronics in accordance with embodiment 2.
In the figure: the dust collector comprises a shell 1, heat dissipation holes 2, a first mounting rod 3, a rotating shaft 4, a rotating motor 5, a cleaning brush 6, a limiting groove 7, a dustproof screen plate 8, a second mounting rod 9, a dust scraping sheet 10, a heat conduction pad 11, heat dissipation sheets 12, a dust collection mechanism 13, a rotating rod 14, a side wing 15, a dust collection cavity 16, a groove 17, a dust collection hole 18 and a dust collector 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1
Referring to fig. 1-3, a heat dissipation device for power electronics comprises a housing 1, wherein mounting holes are respectively formed in both sides of the top of the housing 1, the inner walls of the two mounting holes are respectively connected with a heat conduction pad 11 through a fastening bolt, the bottoms of the two heat conduction pads 11 are respectively inserted with heat dissipation fins 12 of an arc structure which are uniformly distributed, heat dissipation holes 2 are respectively formed in both sides of the outer wall of the bottom of the housing 1, a dustproof mesh plate 8 is connected to the middle position of the inner wall of the circumference of the housing 1 through a fastening bolt, the outer wall of the bottom of the housing 1 is connected with a rotating motor 5 through a fastening bolt, the output shaft of the rotating motor 5 is connected with a rotating shaft 4 through a fastening bolt, one end of the rotating shaft 4 extending to the top of the dustproof mesh plate 8 is connected with a second mounting rod 9 through a fastening bolt, both sides of the top of the second mounting rod 9 are respectively connected with, install power electronic device at the top outer wall of casing 1, heat conduction pad 11 is derived the temperature conduction of power electronic device bottom, fin 12 conducts the heat dissipation to the temperature of heat conduction pad 11, dustproof otter board 8 prevents dust to fin 12 simultaneously, accessible rotating electrical machines 5 drives axis of rotation 4 and second installation pole 9 and rotates to the dust removal is scraped to the bottom of driving the bottom of scraping grey piece 10 to fin 12 and heat conduction pad 11, guarantees the radiating effect.
In the invention, two sides of the inner wall of the top of the shell 1 are both connected with a dust suction mechanism 13 through fastening bolts, and the dust suction mechanism 13 comprises a dust suction cavity 16, a groove 17 and a dust suction hole 18.
Wherein, the bottom of the dust absorption mechanism 13 is provided with evenly distributed arc-shaped grooves 17, and the inner diameter of the groove 17 is matched with the outer diameter of the dust scraping sheet 10.
Wherein, the inside of dust absorption mechanism 13 is seted up dust absorption chamber 16, and dust absorption chamber 16 and recess 17 interval set up.
Wherein, dust absorption hole 18 that evenly distributed was seted up to the one side inner wall that dust absorption chamber 16 is close to recess 17, and one side outer wall of casing 1 has dust catcher 19 through fastening bolt connection, when driving dust scraper 10 through axis of rotation 4 and rotating, when dust scraper 10 rotates to recess 17 in, accessible dust catcher 19 is to the inside negative pressure of taking out in dust absorption chamber 16, and carry out the dust absorption heat absorption to recess 17 and dust scraper 10 through dust absorption hole 18, in time clear up the dust on the dust scraper 10, and take away the heat in dust scraper 10 and the casing 1.
Wherein, the both sides that axis of rotation 4 is located 8 bottoms of dustproof mesh plate all are connected with first installation pole 3 through fastening bolt, and the top of two first installation poles 3 all is connected with cleaning brush 6 through fastening bolt, the top of cleaning brush 6 and the bottom laminating of dustproof mesh plate 8.
Wherein, spacing groove 7 has been seted up to the bottom of 1 circumference inner wall of casing, and two first installation poles 3 keep away from the one end of axis of rotation 4 and all be connected with the stopper through fastening bolt, the external diameter of stopper and the internal diameter looks adaptation of spacing groove 7, accessible rotating electrical machines 5 drives first installation pole 3 and rotates, and cleaning brush 6 brushes the dust removal to the bottom of dustproof mesh plate 8.
The working principle is as follows: the power electronic device is arranged on the outer wall of the top of the shell 1, the heat conducting pad 11 conducts the temperature at the bottom of the power electronic device out, the heat radiating fins 12 conduct and radiate the temperature of the heat conducting pad 11, meanwhile, the dustproof screen 8 can prevent dust on the radiating fins 12, the rotating shaft 4 and the second mounting rod 9 can be driven to rotate by the rotating motor 5, thereby driving the dust scraping sheet 10 to scrape and remove dust on the bottom of the radiating fin 12 and the bottom of the heat conducting pad 11, ensuring the heat radiating effect, when the ash scraping sheet 10 is driven to rotate by the rotating shaft 4, when the ash scraping sheet 10 rotates into the groove 17, the inside of the dust suction cavity 16 can be sucked with negative pressure by the dust suction device 19, and the groove 17 and the dust scraping plate 10 can be sucked with dust suction through the dust suction hole 18, so as to clean the dust on the dust scraping plate 10 in time, and the heat in the dust scraping plate 10 and the shell 1 can be pumped away, accessible rotating electrical machines 5 drives first installation pole 3 and rotates, and cleaning brush 6 brushes the dust removal to the bottom of dustproof mesh plate 8.
Example 2
Referring to fig. 4, in this embodiment, compared with embodiment 1, the circumference of the inner wall of the top of the housing 1 is connected to the rotating rods 14 distributed annularly through the bearings, the two sides of the circumference of the rotating rods 14 are connected to the side wings 15 through the fastening bolts, and the positions of the two ends of the second mounting rod 9 correspond to the positions of the side wings 15.
The working principle is as follows: install power electronic device at casing 1's top outer wall, heat conduction pad 11 exports the temperature conduction of power electronic device bottom, fin 12 conducts the heat dissipation to heat conduction pad 11's temperature, dustproof otter board 8 prevents dust to fin 12 simultaneously, accessible rotating electrical machines 5 drives axis of rotation 4 and second installation pole 9 and rotates, thereby it scrapes the bottom of fin 12 and heat conduction pad 11 to drive scrapes grey piece 10 and scrapes clean the dust removal, guarantee the radiating effect, when rotating electrical machines 5 drives second installation pole 9 and rotates, flank 15 is stirred at the both ends of second installation pole 9, thereby drive flank 15 and rotate and stir the air in the casing 1, and the heat dissipation efficiency is improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. A heat dissipation device for power electronics comprises a shell (1) and is characterized in that mounting holes are formed in both sides of the top of the shell (1), heat conducting pads (11) are arranged on the inner walls of the two mounting holes, radiating fins (12) with uniformly distributed arc structures are inserted at the bottoms of the two heat conducting pads (11), radiating holes (2) are formed in the two sides of the outer wall of the bottom of the shell (1), a dustproof screen plate (8) is arranged in the middle of the circumferential inner wall of the shell (1), a rotating motor (5) is arranged on the outer wall of the bottom of the shell (1), an output shaft of the rotating motor (5) is provided with a rotating shaft (4), one end of the rotating shaft (4) extending to the top of the dustproof screen plate (8) is provided with a second mounting rod (9), and both sides of the top of the second mounting rod (9) are provided with ash scraping sheets (10) which are uniformly distributed, the position of the dust scraping sheet (10) corresponds to the position of a gap between two adjacent radiating fins (12).
2. The heat dissipation device for power electronics as claimed in claim 1, wherein dust suction mechanisms (13) are arranged on both sides of the top inner wall of the housing (1), and each dust suction mechanism (13) comprises a dust suction cavity (16), a groove (17) and a dust suction hole (18).
3. The heat dissipation device for power electronics as claimed in claim 2, wherein the bottom of the dust suction mechanism (13) is provided with evenly distributed grooves (17) arranged in an arc shape, and the inner diameter of each groove (17) is matched with the outer diameter of the dust scraper (10).
4. The heat dissipation device for power electronics as claimed in claim 3, wherein a dust suction chamber (16) is formed inside the dust suction mechanism (13), and the dust suction chamber (16) and the groove (17) are arranged at intervals.
5. The heat dissipation device for power electronics as claimed in claim 4, wherein dust collection holes (18) are uniformly distributed on the inner wall of the dust collection cavity (16) near the groove (17), and a dust collector (19) is arranged on the outer wall of one side of the housing (1).
6. The heat dissipation device for power electronics as claimed in claim 5, wherein the first mounting rods (3) are arranged on both sides of the rotation shaft (4) at the bottom of the dustproof screen (8), the cleaning brushes (6) are arranged on the tops of the two first mounting rods (3), and the tops of the cleaning brushes (6) are attached to the bottom of the dustproof screen (8).
7. The heat dissipation device for power electronics as claimed in claim 6, wherein a limiting groove (7) is formed in the bottom of the circumferential inner wall of the housing (1), limiting blocks are arranged at the ends, away from the rotating shaft (4), of the two first mounting rods (3), and the outer diameters of the limiting blocks are matched with the inner diameter of the limiting groove (7).
8. The heat dissipation device for power electronics according to claim 7, wherein the circumference of the inner wall of the top of the housing (1) is connected with rotating rods (14) distributed annularly through bearings, and two sides of the circumference of each rotating rod (14) are provided with side wings (15).
9. A heat sink for power electronics according to claim 8, characterised in that the positions of the two ends of the second mounting rod (9) correspond to the positions of the side wings (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011004825.2A CN112074171A (en) | 2020-09-22 | 2020-09-22 | Heat dissipation device for power electronics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011004825.2A CN112074171A (en) | 2020-09-22 | 2020-09-22 | Heat dissipation device for power electronics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112074171A true CN112074171A (en) | 2020-12-11 |
Family
ID=73681923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011004825.2A Withdrawn CN112074171A (en) | 2020-09-22 | 2020-09-22 | Heat dissipation device for power electronics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112074171A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112835436A (en) * | 2021-02-19 | 2021-05-25 | 南通理工学院 | Computer heat abstractor |
| CN113194685A (en) * | 2021-04-29 | 2021-07-30 | 常州大学 | Spray cooling surface enhanced heat exchange fluid director |
| CN114302592A (en) * | 2021-12-27 | 2022-04-08 | 上海宝创网络科技有限公司 | Network acceleration card for IPv6 software defined forwarding |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107493681A (en) * | 2017-09-27 | 2017-12-19 | 张家港市金邦铝业股份有限公司 | A kind of radiator with cleaning function |
| CN208258271U (en) * | 2018-04-23 | 2018-12-18 | 深圳市三烨科技有限公司 | A kind of telecommunication apparatus exposed conveying appliance heat-pipe radiator |
| CN110719486A (en) * | 2019-10-22 | 2020-01-21 | 深圳市优立信科技有限公司 | Video decoding equipment based on self-adaptive video decoding method |
-
2020
- 2020-09-22 CN CN202011004825.2A patent/CN112074171A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107493681A (en) * | 2017-09-27 | 2017-12-19 | 张家港市金邦铝业股份有限公司 | A kind of radiator with cleaning function |
| CN208258271U (en) * | 2018-04-23 | 2018-12-18 | 深圳市三烨科技有限公司 | A kind of telecommunication apparatus exposed conveying appliance heat-pipe radiator |
| CN110719486A (en) * | 2019-10-22 | 2020-01-21 | 深圳市优立信科技有限公司 | Video decoding equipment based on self-adaptive video decoding method |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112835436A (en) * | 2021-02-19 | 2021-05-25 | 南通理工学院 | Computer heat abstractor |
| CN112835436B (en) * | 2021-02-19 | 2022-04-08 | 南通理工学院 | Computer heat abstractor |
| CN113194685A (en) * | 2021-04-29 | 2021-07-30 | 常州大学 | Spray cooling surface enhanced heat exchange fluid director |
| CN114302592A (en) * | 2021-12-27 | 2022-04-08 | 上海宝创网络科技有限公司 | Network acceleration card for IPv6 software defined forwarding |
| CN114302592B (en) * | 2021-12-27 | 2024-05-03 | 上海宝创网络科技有限公司 | Network acceleration card for IPv6 software defined forwarding |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201211 |
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| WW01 | Invention patent application withdrawn after publication |