CN213126936U - Switch heat abstractor for information engineering - Google Patents
Switch heat abstractor for information engineering Download PDFInfo
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- CN213126936U CN213126936U CN202022282629.3U CN202022282629U CN213126936U CN 213126936 U CN213126936 U CN 213126936U CN 202022282629 U CN202022282629 U CN 202022282629U CN 213126936 U CN213126936 U CN 213126936U
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- dust screen
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Abstract
The utility model discloses a switch heat abstractor for information engineering, including the switch casing, set up venthole and the first dust screen of fixed mounting in the venthole on the inner wall of switch casing left side, the right side intercommunication of switch casing is fixed with the installation pipe, and the right side of installation pipe is established to the slope structure, and the movable sleeve is equipped with the sleeve pipe on the installation pipe, and the cover is fixed to overlap in the sleeve pipe to be equipped with the second dust screen that the slope set up, the left side of second dust screen and the right side movable contact of installation pipe. The utility model relates to a rationally, cooling fan's setting has accelerated the inside gas flow speed of exchanger shell, improves the radiating efficiency, and at radiating in-process, is convenient for last circulation to strike and shakes the second dust screen, strikes the slope setting mode of power of shaking cooperation second dust screen, can effectively shake the dust granule of adhesion on the second dust screen and fall down, alleviates dust adhesion blocking phenomenon, guarantees the normal stable entering of air, satisfies the user demand.
Description
Technical Field
The utility model relates to a switch cooling device technical field especially relates to a switch heat abstractor for information engineering.
Background
The network switch, it is a apparatus to expand the network, can offer more connection ports for the subnetwork, in order to connect more computers, with the development of the communication industry and the promotion of the national economy informatization, the network switch market is in the steady rising situation, it has high performance-price ratio, highly flexible, relatively simple, easy characteristic such as being realized, so, the Ethernet technology has become a most important LAN networking technology at present, the network switch also becomes the most popular switch, the network switch used for information engineering generally loads greatly, will produce a lot of heats while working;
most of the existing switches are used for heat dissipation by means of heat dissipation holes in a switch shell, heat dissipation is performed by simply flowing hot air only through the heat dissipation holes, heat dissipation efficiency is low, and in order to avoid dust entering, most of the existing switches are provided with dustproof nets at the heat dissipation holes so as to achieve the dustproof purpose; but its dust screen does not possess the function that the ash was fallen in time vibrations, and inside the dust screen that in use was in air inlet department can avoid the dust to get into the switch, but the easy adhesion of dust is piled up and is blockked up on the dust screen, causes the ventilation efficiency of air inlet department to reduce the radiating efficiency, can not satisfy the user demand to consequently we have provided a switch heat abstractor for information engineering and have been used for solving above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the switch heat abstractor for information engineering who proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a switch heat abstractor for information engineering, includes the switch casing, sets up venthole and the first dust screen of fixed mounting in the venthole on the inner wall of switch casing left side, the right side intercommunication of switch casing is fixed with the installation pipe, and the right side of installation pipe is established to the slope structure, and movable sleeve is equipped with the sleeve pipe on the installation pipe, and the intraductal fixed sleeve of sleeve is equipped with the second dust screen that the slope set up, and the left side of second dust screen and the right side movable contact of installation pipe, the right side fixed mounting of switch casing has two dead levers, and the installation pipe is located between two dead levers, and sleeve pipe movable sleeve is established on two dead levers, and sleeve pipe screw thread fixes on a dead lever that is located the top in two dead levers, and the intraductal fixed mounting of installation has cooling fan, cooling fan includes the, And a plurality of fan blades which are fixedly arranged outside the output shaft of the driving motor in an annular shape, the right end of the output shaft of the driving motor is fixedly provided with an eccentric wheel, an L-shaped extrusion rod is rotatably arranged between the front inner wall and the rear inner wall of the installation pipe, the bottom end of the L-shaped extrusion rod is fixedly provided with a collision block, the right side of the collision block is movably contacted with the left side of the second dust screen, an installation rod is fixedly arranged between the front inner wall and the rear inner wall of the installation pipe, a tension spring is fixedly arranged between the bottom of the installation rod and the right side of the L-shaped extrusion rod, an L-shaped rod is fixedly arranged on the top inner wall of the installation pipe, a U-shaped rod is arranged below the L-shaped extrusion rod, a positioning rod is fixedly arranged between the top inner wall and the bottom inner wall of the U-shaped rod, the right end of the L-shaped rod extends into the U-shaped rod, the spring movable sleeve is arranged on the positioning rod, balls are embedded in the top and the bottom of the U-shaped rod, the balls located above are in rolling contact with the inner wall of the top of the L-shaped extrusion rod, the balls located below are in rolling contact with the top of the outer side of the eccentric wheel, and a limiting block located on the left side of the U-shaped rod is fixedly mounted on the inner wall of the top of the L-shaped extrusion rod.
Preferably, the installation thin rods are fixedly installed on the inner wall of the top of the installation pipe and the inner wall of the bottom of the installation pipe, and one ends, close to each other, of the two installation thin rods are fixedly connected with the top and the bottom of the driving motor respectively.
Preferably, a rectangular hole is formed in the inner wall of the bottom of the L-shaped rod, and the inner wall of the rectangular hole is in sliding connection with the outer side of the positioning rod.
Preferably, a round shaft is fixedly installed between the front inner wall and the rear inner wall of the installation pipe, a round hole is formed in the front side of the L-shaped extrusion rod, a bearing is fixedly sleeved in the round hole, and the inner side of an inner ring of the bearing is fixedly connected with the outer side of the round shaft.
Preferably, the rectangular channel has all been seted up to sheathed tube left side top and left side bottom, and the inner wall of rectangular channel and the outside sliding connection of the dead lever that corresponds have been located the top of the dead lever of top and have been seted up first thread groove, and the thread bush is equipped with the quick solid bolt of T shape in the first thread groove, locates to set up threaded hole on the top inner wall of the rectangular channel of top in two rectangular channels, and the top through thread hole of the quick solid bolt of T shape extends to sheathed tube top, screw hole and the quick solid bolt threaded connection of T shape.
Preferably, a distance between the front side and the rear side of the second dust screen is greater than a distance between the front side inner wall and the rear side inner wall of the installation pipe.
Preferably, the equal fixed mounting in left side top and the left side bottom of first dust screen has the installation piece, and two second thread grooves have been seted up to the left side in close contact with of the right side of installation piece and the exchanger housing in the left side of exchanger housing, and the thread bush is equipped with T shape bolt in the second thread groove, and installation piece thread bush is established on the T shape bolt that corresponds.
Compared with the prior art, the beneficial effects of the utility model are that:
through the matching of the exchanger shell, the air outlet hole, the first dustproof net, the mounting pipe, the sleeve, the second dustproof net, the driving motor, the fan blades, the eccentric wheel, the fixed rod, the L-shaped extrusion rod, the collision block, the L-shaped rod, the U-shaped rod, the spring and the positioning rod with the tension spring, when the exchanger works, the output shaft of the driving motor drives the plurality of fan blades to rotate and extract the external air, the extracted air passes through the second dustproof net to enter the exchanger shell, the entered air blows the inside of the exchanger shell to accelerate the flow speed of heat inside the exchanger shell, the heat dissipation efficiency is improved, meanwhile, the second dustproof net filters dust in the entered air, when the output shaft of the driving motor rotates, the eccentric wheel is driven to rotate the front half circle, the balls below balls are extruded, the extrusion force moves upwards through the balls to drive the U-shaped rod to move upwards and compress the spring, the U-shaped rod drives the balls above to move upwards to extrude the L-shaped extrusion rod, so that the L-shaped extrusion rod drives the collision block to rotate leftwards to be separated from the second dustproof net, the L-shaped extrusion rod rotates and simultaneously stretches the tension spring, when the eccentric wheel rotates for the second half turn, the extrusion force on the balls below is gradually released, at the moment, the elastic force of the spring in a compression state drives the balls above to downwards release the extrusion force on the L-shaped extrusion rod through the U-shaped rod, at the moment, the elastic force of the tension spring in a stretching state drives the collision block to collide with the second dustproof net rightwards through the L-shaped extrusion rod, under the collision force, the inclined arrangement of the second dustproof net is matched, so that the dust on the second dustproof net is gradually shaken off, the eccentric wheel continuously rotates, the collision block continuously and circularly collides with the second dustproof net, and the purpose of automatically circularly shaking off the dust is achieved, when the second dust screen needs to be detached for thorough cleaning, the T-shaped quick-fixing bolt is rotated in the forward direction, the quick-fixing bolt is gradually moved out of the first thread groove, and then the sleeve is pulled rightwards to drive the second dust screen to move rightwards and be taken down from the installation pipe, so that the second dust screen can be thoroughly cleaned.
The utility model relates to a rationally, cooling fan's setting has accelerated the inside gas flow speed of exchanger shell, improves the radiating efficiency, and at radiating in-process, is convenient for last circulation to strike and shakes the second dust screen, strikes the slope setting mode of power of shaking cooperation second dust screen, can effectively shake the dust granule of adhesion on the second dust screen and fall down, alleviates dust adhesion blocking phenomenon, guarantees the normal stable entering of air, satisfies the user demand.
Drawings
Fig. 1 is a schematic structural diagram of a heat dissipation device of an information engineering switch according to the present invention;
FIG. 2 is a schematic cross-sectional view of FIG. 1;
FIG. 3 is an enlarged schematic view of portion A of FIG. 2;
fig. 4 is an enlarged structural view of a portion B in fig. 3.
In the figure: the device comprises an exchanger shell 1, an air outlet hole 2, a first dust screen 3, a mounting pipe 4, a sleeve 5, a second dust screen 6, a driving motor 7, fan blades 8, an eccentric wheel 9, a fixing rod 10, an L-shaped extrusion rod 11, a collision block 12, an L-shaped rod 13, a U-shaped rod 14, a spring 15, a positioning rod 16 and a tension spring 17.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-4, a heat dissipating device of a switch for information engineering, comprising a housing 1 of the switch, an air outlet 2 formed on the inner wall of the left side of the housing 1 of the switch and a first dust screen 3 fixedly installed in the air outlet 2, the right side of the housing 1 of the switch is communicated and fixed with a mounting tube 4, the right side of the mounting tube 4 is provided with an inclined structure, a sleeve 5 is movably sleeved on the mounting tube 4, a second dust screen 6 which is obliquely arranged is fixedly sleeved in the sleeve 5, the left side of the second dust screen 6 is movably contacted with the right side of the mounting tube 4, two fixing rods 10 are fixedly installed on the right side of the housing 1 of the switch, the mounting tube 4 is positioned between the two fixing rods 10, the sleeve 5 is movably sleeved on the two fixing rods 10, the sleeve 5 is screwed on one fixing rod 10 positioned above the two fixing rods 10, the cooling fan comprises a driving motor 7 fixedly installed between the top inner wall and the bottom inner wall of the installation pipe 4 and a plurality of fan blades 8 fixedly installed on the outer side of an output shaft of the driving motor 7 in an annular shape, an eccentric wheel 9 is fixedly installed at the right end of the output shaft of the driving motor 7, an L-shaped extrusion rod 11 is rotatably installed between the front inner wall and the rear inner wall of the installation pipe 4, a collision block 12 is fixedly installed at the bottom end of the L-shaped extrusion rod 11, the right side of the collision block 12 is movably contacted with the left side of the second dust screen 6, an installation rod is fixedly installed between the front inner wall and the rear inner wall of the installation pipe 4, a tension spring 17 is fixedly installed between the bottom of the installation rod and the right side of the L-shaped extrusion rod 11, an L-shaped rod 13 is fixedly installed on the top inner wall of the installation pipe 4, a U-shaped rod 14 is installed below the L-shaped, the right end of the L-shaped rod 13 extends into the U-shaped rod 14, the L-shaped rod 13 is slidably sleeved on the positioning rod 16, a spring 15 is fixedly arranged between the bottom of the L-shaped rod 13 and the inner wall of the bottom of the U-shaped rod 14, the spring 15 is movably sleeved on the positioning rod 16, balls are embedded in the top and the bottom of the U-shaped rod 14, the ball positioned above is in rolling contact with the inner wall of the top of the L-shaped extrusion rod 11, the ball positioned below is in rolling contact with the top of the outer side of the eccentric wheel 9, and a limiting block positioned on the left side of the U-shaped rod 14 is fixedly arranged on the inner wall of the top of the L-shaped extrusion rod 11. the utility model has the advantages that the design is reasonable, the arrangement of a heat dissipation fan accelerates the gas flowing speed in the exchanger shell 1, improves the heat dissipation efficiency, and in the heat dissipation process, the continuous and the cyclic vibration of the second dust screen 6 is convenient, the vibration force is matched with the, alleviate dust adhesion blocking phenomenon, guarantee the normal stable entering of air, satisfy the user demand.
In the utility model, the inner wall of the top and the inner wall of the bottom of the installation tube 4 are both fixedly provided with installation thin rods, the mutually adjacent ends of the two installation thin rods are respectively fixedly connected with the top and the bottom of the driving motor 7, the inner wall of the bottom of the L-shaped rod 13 is provided with a rectangular hole, the inner wall of the rectangular hole is in sliding connection with the outer side of the positioning rod 16, a round shaft is fixedly arranged between the inner wall of the front side and the inner wall of the rear side of the installation tube 4, the front side of the L-shaped extrusion rod 11 is provided with a round hole, the inner side of the inner ring of the bearing is fixedly sleeved with a bearing, the inner side of the inner ring of the bearing is fixedly connected with the outer side of the round shaft, the left top and the left bottom of the sleeve 5 are both provided with rectangular grooves, the inner wall of the rectangular groove is in sliding connection with the outer side of the corresponding fixing rod 10, the top of the fixing rod 10 positioned, the top of the T-shaped quick-fixing bolt penetrates through the threaded hole and extends to the upper part of the sleeve 5, the threaded hole is in threaded connection with the T-shaped quick-fixing bolt, the distance between the front side and the rear side of the second dustproof net 6 is larger than the distance between the front side inner wall and the rear side inner wall of the mounting pipe 4, the left side top and the left side bottom of the first dustproof net 3 are both fixedly provided with mounting pieces, the right side of the mounting pieces are in close contact with the left side of the exchanger shell 1, the left side of the exchanger shell 1 is provided with two second threaded grooves, the T-shaped bolts are sleeved in the second threaded grooves, and the mounting pieces are sleeved on the corresponding T-shaped bolts in a threaded manner, can effectively shake the dust particle of adhesion downwards on the second dust screen 6 and fall, alleviate dust adhesion blocking phenomenon, guarantee the normal stable entering of air, satisfy the user demand.
The working principle is as follows: when the heat dissipation device is used, in the working process of the switch, the driving motor 7 is started to perform heat dissipation operation, the output shaft of the driving motor 7 drives the plurality of fan blades 8 to rotate, the fan blades 8 extract external air while rotating, the extracted gas passes through the second dust screen 6 and enters the switch shell 1, the entering gas blows the inside of the switch shell 1, the flowing speed of heat inside the switch shell 1 is accelerated under the blowing force, the heat inside the switch shell 1 flows out to the outside through the air outlet holes 2 along with the entering of the gas inside the switch shell 1, and the heat dissipation device is matched with a mode that a heat dissipation fan extracts the gas to blow the inside of the switch shell 1, so that the heat dissipation efficiency is improved;
meanwhile, the second dust screen 6 filters dust in the entering air, the filtered dust is attached to and accumulated on the right side of the second dust screen 6, the output shaft of the driving motor 7 drives the eccentric wheel 9 to rotate when rotating, the eccentric wheel 9 extrudes the balls positioned below when rotating for the first half circle, the extruding force drives the balls to move upwards, the balls drive the U-shaped rod 14 to move upwards, the U-shaped rod 14 drives the positioning rod 16 to move upwards, the U-shaped rod 14 compresses the spring 15 while moving upwards, the U-shaped rod 14 drives the balls positioned above to move upwards to extrude the L-shaped extrusion rod 11, the extruding force drives the L-shaped extrusion rod 11 to rotate upwards, the L-shaped extrusion rod 11 drives the collision block 12 to rotate left to separate from the second dust screen 6 while rotating, the L-shaped extrusion rod 11 stretches the tension spring 17 while rotating, when the eccentric wheel 9 rotates for the second half circle, gradually relaxing the extrusion force on the balls positioned below, driving the U-shaped rod 14 to move downwards by the elasticity of the spring 15 in a compressed state, driving the balls positioned above to move downwards by the U-shaped rod 14 and relaxing the extrusion force on the L-shaped extrusion rod 11, driving the L-shaped extrusion rod 11 to rotate rightwards by the elasticity of the tension spring 17 in a stretched state, driving the collision block 12 to rotate rightwards and collide and shake the second dust screen 6, and under the collision and shake force, matching with the inclined arrangement of the second dust screen 6, gradually shaking off the dust on the second dust screen 6, continuously rotating the eccentric wheel 9, continuously circulating the collision block 12 to collide and shake the second dust screen 6, so that the purpose of automatically and circularly shaking off the dust is achieved, the adhesion blocking phenomenon is relieved, and the frequency of dismounting and cleaning by workers can be effectively reduced;
when the second dust screen 6 needs to be detached for thorough cleaning, the T-shaped quick-fixing bolt is rotated in the forward direction, the T-shaped quick-fixing bolt gradually moves out of the first thread groove while rotating, the sleeve 5 is pulled rightwards to drive the second dust screen 6 to move rightwards, the sleeve 5 is gradually taken down from the installation pipe 4 while moving, and the second dust screen 6 can be thoroughly cleaned.
In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a switch heat abstractor for information engineering, includes switch casing (1), set up venthole (2) and fixed mounting first dust screen (3) in venthole (2) on switch casing (1) left side inner wall, a serial communication port, the right side intercommunication of switch casing (1) is fixed with installation pipe (4), the right side of installation pipe (4) is established to the slope structure, the movable sleeve is equipped with sleeve pipe (5) on installation pipe (4), fixed cover is equipped with second dust screen (6) that the slope set up in sleeve pipe (5), the left side of second dust screen (6) and the right side movable contact of installation pipe (4), the right side fixed mounting of switch casing (1) has two dead levers (10), installation pipe (4) are located between two dead levers (10), sleeve pipe (5) movable sleeve cover is established on two dead levers (10), sleeve pipe (5) threaded fixation is on dead lever (10) that lie in the top in two dead levers (10) The inner side of the installation pipe (4) is fixedly provided with a cooling fan, the cooling fan comprises a driving motor (7) fixedly installed between the inner wall of the top part of the installation pipe (4) and the inner wall of the bottom part of the installation pipe (4) and a plurality of fan blades (8) which are in an annular shape and fixedly installed on the outer side of an output shaft of the driving motor (7), the right end of the output shaft of the driving motor (7) is fixedly provided with an eccentric wheel (9), an L-shaped extrusion rod (11) is rotatably installed between the inner wall of the front side and the inner wall of the rear side of the installation pipe (4), a collision block (12) is fixedly installed at the bottom end of the L-shaped extrusion rod (11), the right side of the collision block (12) is in movable contact with the left side of a second dust screen (6), an installation rod is fixedly installed between the inner wall of the front side and the inner wall of the rear side of the installation pipe (4), a tension spring (17, the lower part of the L-shaped extrusion rod (11) is provided with a U-shaped rod (14), a positioning rod (16) is fixedly installed between the top inner wall and the bottom inner wall of the U-shaped rod (14), the right end of the L-shaped rod (13) extends into the U-shaped rod (14), the L-shaped rod (13) is slidably sleeved on the positioning rod (16), a spring (15) is fixedly installed between the bottom of the L-shaped rod (13) and the bottom inner wall of the U-shaped rod (14), the spring (15) is movably sleeved on the positioning rod (16), balls are embedded in the top and the bottom of the U-shaped rod (14), the balls located above are in rolling contact with the top inner wall of the L-shaped extrusion rod (11), the balls located below are in rolling contact with the outer top of the eccentric wheel (9), and a limiting block located on the left side of the U-shaped rod (14) is fixedly installed on the.
2. The heat dissipation device of the switch for information engineering according to claim 1, wherein the top inner wall and the bottom inner wall of the installation tube (4) are both fixedly provided with installation thin rods, and the ends of the two installation thin rods close to each other are respectively fixedly connected with the top and the bottom of the driving motor (7).
3. The heat dissipation device of the switch for information engineering according to claim 1, wherein a rectangular hole is formed in the inner wall of the bottom of the L-shaped rod (13), and the inner wall of the rectangular hole is slidably connected with the outer side of the positioning rod (16).
4. The switch heat dissipation device for information engineering according to claim 1, wherein a circular shaft is fixedly installed between the front inner wall and the rear inner wall of the installation pipe (4), a circular hole is formed in the front side of the L-shaped extrusion rod (11), a bearing is fixedly sleeved in the circular hole, and the inner side of an inner ring of the bearing is fixedly connected with the outer side of the circular shaft.
5. The switch heat dissipation device for information engineering, according to claim 1, wherein rectangular grooves are formed in the top of the left side and the bottom of the left side of the sleeve (5), the inner walls of the rectangular grooves are slidably connected with the outer sides of the corresponding fixing rods (10), a first thread groove is formed in the top of the fixing rod (10) located above the fixing rod, a T-shaped quick-fixing bolt is sleeved in the first thread groove in a threaded manner, a threaded hole is formed in the inner wall of the top of the rectangular groove located above the two rectangular grooves, the top of the T-shaped quick-fixing bolt penetrates through the threaded hole and extends to the position above the sleeve (5), and the threaded hole is in threaded connection with the T-shaped quick-fixing bolt.
6. The heat sink for information engineering switch according to claim 1, wherein the distance between the front side and the rear side of the second dust-proof screen (6) is larger than the distance between the front side inner wall and the rear side inner wall of the mounting pipe (4).
7. The heat dissipation device of the switch for the information engineering as claimed in claim 1, wherein the top and the bottom of the left side of the first dust screen (3) are both fixedly provided with mounting pieces, the right side of the mounting pieces is in close contact with the left side of the switch housing (1), the left side of the switch housing (1) is provided with two second thread grooves, the second thread grooves are internally threaded with T-shaped bolts, and the mounting pieces are threaded on the corresponding T-shaped bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022282629.3U CN213126936U (en) | 2020-10-14 | 2020-10-14 | Switch heat abstractor for information engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022282629.3U CN213126936U (en) | 2020-10-14 | 2020-10-14 | Switch heat abstractor for information engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213126936U true CN213126936U (en) | 2021-05-04 |
Family
ID=75666454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022282629.3U Expired - Fee Related CN213126936U (en) | 2020-10-14 | 2020-10-14 | Switch heat abstractor for information engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213126936U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116915728A (en) * | 2023-08-09 | 2023-10-20 | 南京奥通智能科技有限公司 | Communication switch for long-distance industrial Ethernet transmission |
-
2020
- 2020-10-14 CN CN202022282629.3U patent/CN213126936U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116915728A (en) * | 2023-08-09 | 2023-10-20 | 南京奥通智能科技有限公司 | Communication switch for long-distance industrial Ethernet transmission |
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| CF01 | Termination of patent right due to non-payment of annual fee |