CN112558723A - Protection device of server for industrial Internet of things - Google Patents
Protection device of server for industrial Internet of things Download PDFInfo
- Publication number
- CN112558723A CN112558723A CN202011567807.5A CN202011567807A CN112558723A CN 112558723 A CN112558723 A CN 112558723A CN 202011567807 A CN202011567807 A CN 202011567807A CN 112558723 A CN112558723 A CN 112558723A
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- server
- fixedly connected
- main part
- main body
- protection device
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/18—Packaging or power distribution
- G06F1/181—Enclosures
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M29/00—Scaring or repelling devices, e.g. bird-scaring apparatus
- A01M29/06—Scaring or repelling devices, e.g. bird-scaring apparatus using visual means, e.g. scarecrows, moving elements, specific shapes, patterns or the like
- A01M29/10—Scaring or repelling devices, e.g. bird-scaring apparatus using visual means, e.g. scarecrows, moving elements, specific shapes, patterns or the like using light sources, e.g. lasers or flashing lights
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/20—Cooling means
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/3058—Monitoring arrangements for monitoring environmental properties or parameters of the computing system or of the computing system component, e.g. monitoring of power, currents, temperature, humidity, position, vibrations
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Birds (AREA)
- Pest Control & Pesticides (AREA)
- Insects & Arthropods (AREA)
- Optics & Photonics (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Computing Systems (AREA)
- Quality & Reliability (AREA)
Abstract
The invention provides a protection device of a server for an industrial Internet of things, and relates to the technical field of server protection equipment. This protector of server for industry thing networking, comprising a main body, the inner wall of main part is provided with the fixed slot, the inboard of fixed slot and the both ends fixed connection who places the board are in the same place, the top of placing the board is provided with the sliding tray, the inboard of sliding tray is provided with the fixed plate, be provided with the swivel bearing frame in the middle of the side of fixed plate, the one end that the fixed plate was kept away from to the swivel bearing frame is in the same place with the one end fixed connection of a rotatory section of thick bamboo, the inboard of a rotatory section of thick bamboo is in the same place with the outside threaded connection of threaded rod, the one end that a rotatory section of thick. Through rotatory barrel and threaded rod carry out rotary fit, drive the fixed plate and remove in the inboard of sliding tray, make it can adapt to the server of various sizes.
Description
Technical Field
The invention relates to the technical field of server protection equipment, in particular to a protection device of a server for an industrial Internet of things.
Background
The server is one of computers, which is faster than a common computer in operation, higher in load and more expensive, provides calculation or application services for other clients (such as terminals like a PC, a smart phone, an ATM and the like, even large-scale equipment like a train system and the like) in a network, has high-speed CPU calculation capacity, long-time reliable operation, strong I/O external data throughput capacity and better expansibility, and generally has the capacity of bearing response service requests, bearing services and guaranteeing services according to the services provided by the server.
Protective casings are used for protection when the servers are used, a plurality of types of protective casings are available in the market, but most of protective casings are small in size and poor in stability when the servers are fixed, heat dissipation performance of the protective casings is low, when the protective casings are used in southern areas, the interior of the protective casings is easy to wet, damage to the servers is caused, and intelligence degree of the protective casings is low.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a protection device for a server for an industrial Internet of things, which solves the problems that the size of the adaptable server is small, the stability during fixing is poor, the heat dissipation performance is low, the interior is easy to be wet when the protection device is used in southern areas, the server is damaged, and the intelligent degree is low.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the protection device of the server for the industrial Internet of things comprises a main body, wherein fixing grooves are formed in the inner wall of the main body, six fixing grooves are symmetrically distributed in the inner wall of the main body, the inner sides of the fixing grooves are fixedly connected with two ends of a placing plate, a sliding groove is formed in the top end of the placing plate, a fixing plate is arranged on the inner side of the sliding groove, two fixing plates are symmetrically distributed in the inner side of the sliding groove, a rotary bearing frame is arranged in the middle of the side face of each fixing plate, one end, far away from the fixing plate, of the rotary bearing frame is fixedly connected with one end of a rotary cylinder, the inner side of the rotary cylinder is in threaded connection with the outer side of a threaded rod, and one end, far away;
the bottom end of the placing plate is fixedly connected with the outer wall of the distribution pipe, connecting pipes are arranged at two ends of the distribution pipe, the two connecting pipes are symmetrically distributed at two ends of the distribution pipe, the other end of each connecting pipe is fixedly connected with the inner side of the circulating pump, and the bottom end of the circulating pump is fixedly connected with the bottom end of the inner side of the water tank;
the lower end of the inner wall of the main body is provided with a partition plate, a protective net is arranged in the middle of the inner side of the partition plate, fixing frames are arranged on the bottom surface of the partition plate, the two fixing frames are symmetrically distributed on the bottom surface of the partition plate, the inner side of each fixing frame is fixedly connected with two ends of the heating pipe, the bottom end of the inner side of the main body is provided with a locking groove, the inner side of the locking groove is fixedly connected with the outer side of the driving motor, and the extension shaft of the driving motor is fixedly connected with;
the inner wall upper end of main part is provided with the backup pad, be provided with the expelling parasite lamp in the middle of the bottom surface of backup pad, the right-hand member of expelling parasite lamp is provided with moisture detector, the left end of expelling parasite lamp is provided with thermodetector.
Preferably, the top surface of the main body is fixedly connected with the bottom end of the water tank, and a water inlet hole is formed in the middle of the top surface of the water tank.
Preferably, the locating ring is arranged at the top end of the inner side of the main body, the two locating rings are symmetrically distributed at the top end of the inner side of the main body, the inner side of the locating ring is fixedly connected with the top end of the damping spring rod, and the bottom end of the damping spring rod is fixedly connected with the top surface of the supporting plate.
Preferably, limiting plates are arranged at two ends of the sliding groove, and the two limiting plates are symmetrically distributed at two ends of the sliding groove.
Preferably, the front of the main body is provided with hinges, the two hinges are symmetrically distributed on the front of the main body, and the other ends of the hinges are fixedly connected with the front of the box door.
Preferably, an observation window is arranged in the middle of the front face of the box door, and a handle is arranged on the right side of the observation window.
Preferably, a heat dissipation window is arranged in the middle of the side face of the main body, and the two heat dissipation windows are symmetrically distributed on the outer side of the main body.
Preferably, the bottom surface of main part is provided with the fixed cylinder, and four fixed cylinders evenly distributed are in the bottom surface of main part, the inboard of fixed cylinder and the outside threaded connection of swivel mount are in the same place.
The working principle is as follows: firstly, placing a server on a placing plate, rotating a rotary drum to drive a fixed plate to move, and mutually matching with a sliding groove to fix the server; secondly, turning on a pest expelling lamp to irradiate the inside of the main body to expel pests, and simultaneously turning on a temperature detector and a humidity detector to be matched with each other to monitor the inside of the main body; then, when the humidity detector detects that the humidity is too high, the heating pipe at the bottom end of the partition plate is opened, the driving motor drives the fan blades to rotate, and hot air on the outer side of the heating pipe is driven to move upwards to dehumidify; and finally, when the temperature detector detects that the interior of the water tank is too high, the heating pipe is closed, the driving motor is started to drive the fan blades to rotate, the air flow in the main body is driven to flow, and meanwhile, the circulating pump drives the water body connecting pipe in the water tank to be matched with the distribution pipe, so that water cooling is carried out, and heat dissipation in the main body is carried out.
(III) advantageous effects
The invention provides a protection device of a server for an industrial Internet of things. The method has the following beneficial effects:
1. this protection device of server for industry thing networking, install the fixed slot through the inner wall in the main part, the inboard of fixed slot and the both ends fixed connection who places the board are in the same place, place the top of board and install the sliding tray, the fixed plate is installed to the inboard of sliding tray, install the swivel bearing frame in the middle of the side of fixed plate, the one end that the fixed plate was kept away from to the swivel bearing frame is in the same place with the one end fixed connection of a rotatory section of thick bamboo, the inboard of a rotatory section of thick bamboo is in the same place with the outside threaded connection of threaded rod, the threaded rod is kept away from the one end of a rotatory section of thick bamboo and is in the same place with the inner wall fixed connection of main part, utilize a rotatory section of thick bamboo and threaded rod to.
2. This protector of server for industry thing networking, the outer wall fixed connection through the bottom of placing the board and distributing pipe is in the same place, the connecting pipe is installed at the both ends of distributing pipe, the other end of connecting pipe is in the same place with the inboard fixed connection of circulating pump, the bottom of circulating pump is in the same place with the inboard bottom fixed connection of water tank, utilize the circulating pump to drive the water body in the water tank and circulate at connecting pipe and distributing pipe inboard and flow, cool down for the server to guarantee the heat dispersion of main part.
3. This protector of server for industry thing networking, install the mount through the bottom surface at the baffle, the inboard both ends fixed connection with the heating pipe of mount is in the same place, the locking groove is installed to the inboard bottom of main part, the inboard outside fixed connection with driving motor of locking groove is in the same place, driving motor's extension axle is in the same place with the inboard fixed connection of flabellum, it rotates to utilize driving motor to drive the flabellum, upwards drive the hot-air around the heating pipe, dehumidify for the inside of main part, thereby prevent that the inside of main part is too moist, cause the damage of internal plant.
4. This protector of server for industry thing networking, install the backup pad through the inner wall upper end in the main part, install the expelling parasite lamp in the middle of the bottom surface of backup pad, moisture detector is installed to the right-hand member of expelling parasite lamp, thermodetector is installed to the left end of expelling parasite lamp, utilize the expelling parasite lamp to carry out the expelling parasite for the inside of main part, prevent that the insect from disturbing the inside equipment of main part, use thermodetector and moisture detector to mutually support simultaneously, come to monitor for the inside of main part, make it realize intelligent operation.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a side schematic view of the present invention;
FIG. 4 is a schematic top view of the present invention;
fig. 5 is a perspective view of the present invention.
Wherein, 1, a main body; 2. a support plate; 3. a temperature detector; 4. fixing grooves; 5. placing the plate; 6. a rotating bearing frame; 7. a sliding groove; 8. a protective net; 9. heating a tube; 10. a fan blade; 11. a drive motor; 12. a fixed mount; 13. a fixed cylinder; 14. a rotating frame; 15. a partition plate; 16. a rotary drum; 17. a connecting pipe; 18. a limiting plate; 19. a distribution pipe; 20. a fixing plate; 21. a moisture detector; 22. a positioning ring; 23. a shock absorbing spring rod; 24. a pest expelling lamp; 25. a water tank; 26. a circulation pump; 27. a water inlet hole; 28. a hinge; 29. an observation window; 30. a box door; 31. a handle; 32. and a heat dissipation window.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b):
as shown in fig. 1 to 5, an embodiment of the present invention provides a protection device for a server for an industrial internet of things, which includes a main body 1, wherein the inner wall of the main body 1 is provided with fixing grooves 4, six fixing grooves 4 are symmetrically distributed on the inner wall of the main body 1, the inner sides of the fixing grooves 4 are fixedly connected to both ends of a placing plate 5, the top end of the placing plate 5 is provided with a sliding groove 7, the inner side of the sliding groove 7 is provided with a fixing plate 20, two fixing plates 20 are symmetrically distributed on the inner side of the sliding groove 7, a rotating bearing frame 6 is arranged in the middle of the side surface of the fixing plate 20, one end of the rotating bearing frame 6 away from the fixing plate 20 is fixedly connected to one end of a rotating cylinder 16, the inner side of the rotating cylinder 16 is in threaded connection with the outer side of a threaded rod, one end of the threaded rod, the fixing plate 20 is driven to move at the inner side of the sliding groove 7, so that the server is conveniently fixed, and the stability of the whole structure is improved;
the bottom end of the placing plate 5 is fixedly connected with the outer wall of the distribution pipe 19, the two ends of the distribution pipe 19 are provided with connecting pipes 17, the two connecting pipes 17 are symmetrically distributed at the two ends of the distribution pipe 19, the other end of the connecting pipe 17 is fixedly connected with the inner side of the circulating pump 26, the bottom end of the circulating pump 26 is fixedly connected with the inner side bottom end of the water tank 25, the circulating pump 26 is used for driving the water body in the water tank 25 to circulate and flow on the inner sides of the connecting pipe 17 and the distribution pipe 19, and therefore the heat dissipation performance of the main body 1;
a partition plate 15 is arranged at the lower end of the inner wall of the main body 1, a protective net 8 is arranged in the middle of the inner side of the partition plate 15, fixing frames 12 are arranged on the bottom surface of the partition plate 15, the two fixing frames 12 are symmetrically distributed on the bottom surface of the partition plate 15, the inner sides of the fixing frames 12 are fixedly connected with the two ends of the heating pipe 9, a locking groove is arranged at the bottom end of the inner side of the main body 1, the inner side of the locking groove is fixedly connected with the outer side of the driving motor 11, an extending shaft of the driving motor 11 is fixedly connected with the inner sides of the fan blades 10, the heating pipe 9 is started, the driving motor 11 is used for driving the fan blades;
the inner wall upper end of main part 1 is provided with backup pad 2, is provided with expelling parasite lamp 24 in the middle of the bottom surface of backup pad 2, and the right-hand member of expelling parasite lamp 24 is provided with moisture detector 21, and the left end of expelling parasite lamp 24 is provided with thermodetector 3, uses expelling parasite lamp 24 to carry out the expelling parasite for the inside of main part 1, uses thermodetector 3 and moisture detector 21 to mutually support simultaneously, comes to monitor for the inside of main part 1.
The top surface of the main body 1 is fixedly connected with the bottom end of the water tank 25, a water inlet 27 is arranged in the middle of the top surface of the water tank 25 so as to conveniently add water to the inner wall of the water tank 25, the top end of the inner side of the main body 1 is provided with a positioning ring 22, the two positioning rings 22 are symmetrically distributed at the top end of the inner side of the main body 1, the inner sides of the positioning rings 22 are fixedly connected with the top end of a damping spring rod 23, the bottom end of the damping spring rod 23 is fixedly connected with the top surface of the support plate 2 so as to damp the support plate 2, two ends of the sliding groove 7 are provided with limiting plates 18, the two limiting plates 18 are symmetrically distributed at two ends of the sliding groove 7 so as to limit the sliding range of the fixing plate 20, the front surface of the main body 1 is provided with hinges 28, the two hinges 28 are symmetrically distributed at the front surface, the right side of observation window 29 is provided with handle 31, is provided with heat dissipation window 32 in the middle of the side of main part 1, and two heat dissipation window 32 symmetric distribution are in the outside of main part 1, dispel the heat for the inboard of main part 1, and the bottom surface of main part 1 is provided with solid fixed cylinder 13, and four solid fixed cylinder 13 evenly distributed are in the bottom surface of main part 1, and the inboard of solid fixed cylinder 13 is in the same place with the outside threaded connection of swivel mount 14, is convenient for adjust the height of main part 1, guarantees the stability of main part 1.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a protector of server for industry thing networking, includes main part (1), its characterized in that: the inner wall of the main body (1) is provided with fixing grooves (4), and six fixing grooves (4) are symmetrically distributed on the inner wall of the main body (1), the inner side of the fixing groove (4) is fixedly connected with the two ends of the placing plate (5), the top end of the placing plate (5) is provided with a sliding groove (7), the inner side of the sliding groove (7) is provided with a fixing plate (20), the two fixed plates (20) are symmetrically distributed on the inner side of the sliding groove (7), the middle of the side surface of each fixed plate (20) is provided with a rotary bearing frame (6), one end of the rotating bearing frame (6) far away from the fixed plate (20) is fixedly connected with one end of the rotating cylinder (16), the inner side of the rotary cylinder (16) is in threaded connection with the outer side of a threaded rod, and one end of the threaded rod, which is far away from the rotary cylinder (16), is fixedly connected with the inner wall of the main body (1);
the bottom end of the placing plate (5) is fixedly connected with the outer wall of the distribution pipe (19), connecting pipes (17) are arranged at two ends of the distribution pipe (19), the two connecting pipes (17) are symmetrically distributed at two ends of the distribution pipe (19), the other end of each connecting pipe (17) is fixedly connected with the inner side of the circulating pump (26), and the bottom end of the circulating pump (26) is fixedly connected with the bottom end of the inner side of the water tank (25);
a partition plate (15) is arranged at the lower end of the inner wall of the main body (1), a protective net (8) is arranged in the middle of the inner side of the partition plate (15), fixing frames (12) are arranged on the bottom surface of the partition plate (15), the two fixing frames (12) are symmetrically distributed on the bottom surface of the partition plate (15), the inner sides of the fixing frames (12) are fixedly connected with the two ends of the heating pipe (9), a locking groove is arranged at the bottom end of the inner side of the main body (1), the inner side of the locking groove is fixedly connected with the outer side of the driving motor (11), and an extension shaft of the driving motor (11) is fixedly connected with the inner sides of the fan;
the inner wall upper end of main part (1) is provided with backup pad (2), be provided with expelling parasite lamp (24) in the middle of the bottom surface of backup pad (2), the right-hand member of expelling parasite lamp (24) is provided with moisture detector (21), the left end of expelling parasite lamp (24) is provided with thermodetector (3).
2. The protection device of the server for the industrial internet of things according to claim 1, characterized in that: the top surface of main part (1) and the bottom fixed connection of water tank (25) are in the same place, be provided with inlet opening (27) in the middle of the top surface of water tank (25).
3. The protection device of the server for the industrial internet of things according to claim 1, characterized in that: the inboard top of main part (1) is provided with holding ring (22), and two holding rings (22) symmetric distribution are on the inboard top of main part (1), the inboard top fixed connection with damping spring pole (23) of holding ring (22) is in the same place, the bottom of damping spring pole (23) is in the same place with the top surface fixed connection of backup pad (2).
4. The protection device of the server for the industrial internet of things according to claim 1, characterized in that: limiting plates (18) are arranged at two ends of the sliding groove (7), and the two limiting plates (18) are symmetrically distributed at two ends of the sliding groove (7).
5. The protection device of the server for the industrial internet of things according to claim 1, characterized in that: the front of main part (1) is provided with hinge (28), and two hinges (28) symmetric distribution are in the front of main part (1), the other end of hinge (28) and the front fixed connection of chamber door (30) are in the same place.
6. The protection device of the server for the industrial Internet of things according to claim 5, characterized in that: an observation window (29) is arranged in the middle of the front surface of the box door (30), and a handle (31) is arranged on the right side of the observation window (29).
7. The protection device of the server for the industrial internet of things according to claim 1, characterized in that: the heat dissipation window (32) is arranged in the middle of the side face of the main body (1), and the two heat dissipation windows (32) are symmetrically distributed on the outer side of the main body (1).
8. The protection device of the server for the industrial internet of things according to claim 1, characterized in that: the bottom surface of main part (1) is provided with solid fixed cylinder (13), and four solid fixed cylinder (13) evenly distributed are in the bottom surface of main part (1), the inboard of solid fixed cylinder (13) and the outside threaded connection of swivel mount (14) are in the same place.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202011567807.5A CN112558723A (en) | 2020-12-25 | 2020-12-25 | Protection device of server for industrial Internet of things |
Applications Claiming Priority (1)
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CN202011567807.5A CN112558723A (en) | 2020-12-25 | 2020-12-25 | Protection device of server for industrial Internet of things |
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CN112558723A true CN112558723A (en) | 2021-03-26 |
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CN202011567807.5A Pending CN112558723A (en) | 2020-12-25 | 2020-12-25 | Protection device of server for industrial Internet of things |
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
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US8625288B1 (en) * | 2012-08-30 | 2014-01-07 | Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd. | Server cabinet |
CN206821143U (en) * | 2017-06-20 | 2017-12-29 | 深圳市正方云科技有限公司 | A kind of cloud storage service device apparatus for placing |
CN108598895A (en) * | 2018-04-10 | 2018-09-28 | 于法周 | A kind of low-tension switch cabinet for computer room |
CN208782941U (en) * | 2018-09-26 | 2019-04-23 | 广州大眼界文化传播有限公司 | A kind of transcoding plate of cut bank |
CN210577300U (en) * | 2019-10-18 | 2020-05-19 | 江苏信旺电气有限公司 | Safe and fireproof power distribution cabinet |
CN211349183U (en) * | 2019-12-01 | 2020-08-25 | 深圳市智微智能科技股份有限公司 | Storage server with unitized configuration |
CN211378625U (en) * | 2020-02-11 | 2020-08-28 | 天津海富鑫科技有限公司 | Computer cloud ware deposits heat abstractor for computer lab |
CN211457298U (en) * | 2020-04-16 | 2020-09-08 | 宁夏交投科技发展有限公司 | Multi-frequency control transceiver of digital switch |
-
2020
- 2020-12-25 CN CN202011567807.5A patent/CN112558723A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8625288B1 (en) * | 2012-08-30 | 2014-01-07 | Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd. | Server cabinet |
CN206821143U (en) * | 2017-06-20 | 2017-12-29 | 深圳市正方云科技有限公司 | A kind of cloud storage service device apparatus for placing |
CN108598895A (en) * | 2018-04-10 | 2018-09-28 | 于法周 | A kind of low-tension switch cabinet for computer room |
CN208782941U (en) * | 2018-09-26 | 2019-04-23 | 广州大眼界文化传播有限公司 | A kind of transcoding plate of cut bank |
CN210577300U (en) * | 2019-10-18 | 2020-05-19 | 江苏信旺电气有限公司 | Safe and fireproof power distribution cabinet |
CN211349183U (en) * | 2019-12-01 | 2020-08-25 | 深圳市智微智能科技股份有限公司 | Storage server with unitized configuration |
CN211378625U (en) * | 2020-02-11 | 2020-08-28 | 天津海富鑫科技有限公司 | Computer cloud ware deposits heat abstractor for computer lab |
CN211457298U (en) * | 2020-04-16 | 2020-09-08 | 宁夏交投科技发展有限公司 | Multi-frequency control transceiver of digital switch |
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Application publication date: 20210326 |