CN112135490A - Computer network safety guarantee device - Google Patents

Computer network safety guarantee device Download PDF

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Publication number
CN112135490A
CN112135490A CN202011027633.3A CN202011027633A CN112135490A CN 112135490 A CN112135490 A CN 112135490A CN 202011027633 A CN202011027633 A CN 202011027633A CN 112135490 A CN112135490 A CN 112135490A
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CN
China
Prior art keywords
heat dissipation
device body
plate
computer network
fixed
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.)
Granted
Application number
CN202011027633.3A
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Chinese (zh)
Other versions
CN112135490B (en
Inventor
张亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Institute of Economic and Trade Technology
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Jiangsu Institute of Economic and Trade Technology
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Application filed by Jiangsu Institute of Economic and Trade Technology filed Critical Jiangsu Institute of Economic and Trade Technology
Priority to CN202011027633.3A priority Critical patent/CN112135490B/en
Publication of CN112135490A publication Critical patent/CN112135490A/en
Application granted granted Critical
Publication of CN112135490B publication Critical patent/CN112135490B/en
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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136—Forced ventilation, e.g. by fans
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5202—Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings
    • 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
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0204—Mounting supporting structures on the outside of casings
    • 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
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0247—Electrical details of casings, e.g. terminals, passages for cables or wiring
    • 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
    • H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136—Forced ventilation, e.g. by fans
    • H05K7/20181—Filters; Louvers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

The invention discloses a computer network safety guarantee device which comprises two bottom plates, wherein the top ends of the two bottom plates are connected with lifting devices, a fixed heat dissipation device is connected between opposite surfaces of the two lifting devices, a device body is placed in the middle of the fixed heat dissipation device, four heat dissipation holes distributed in a rectangular array are formed in the top end of the device body, dust screens are installed on the outer surfaces of the heat dissipation holes, one end of the device body is connected with a control switch, a plurality of USB interfaces are arranged at the front end of the device body, and a sealing device is connected to the front end of the device body. The device body can be firmly fixed through the arranged fixed heat dissipation device, the device body is prevented from being damaged in use, and meanwhile, the device body can be effectively dissipated under the action of the heat dissipation box, so that the practicability and the service life of the whole device are higher.

Description

Computer network safety guarantee device
Technical Field
The invention relates to the technical field of computer networks, in particular to a computer network safety guarantee device.
Background
Computer network safety not only includes networking hardware, software of management control network, but also includes shared resources, fast network service, in order to ensure computer network safety, a computer network safety guarantee device is often needed, the structure of the computer network safety guarantee device used at present is too simple, the device can not fix the device body with poor effect when in use, the device body is easy to be damaged when in use, meanwhile, the device has poor heat dissipation effect on the device body, the device body is easy to break down when in use, the practicability and the service life of the whole device are reduced, and the device body in the devices can not adjust the height position, so that the adaptability of the whole device when in connecting equipment is not high, the dustproof effect at the USB interface in the devices is not good, and dust can easily fall into the device body, the dustproof performance of the whole device is reduced, and therefore a computer network safety guarantee device is provided for solving the problems.
Disclosure of Invention
The present invention is directed to a computer network security device, which solves the problems set forth in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a computer network safety guarantee device comprises bottom plates, wherein two bottom plates are arranged, the top ends of the two bottom plates are connected with lifting devices, a fixed heat dissipation device is connected between the opposite surfaces of the two lifting devices, the fixed heat dissipation device comprises a fixed plate, the two sides of the top end of the fixed plate are connected with vertical rods in an inserting mode, a pressure plate is connected between the upper portions of the opposite surfaces of the two vertical rods, the lower end of the pressure plate is connected with a cushion, a plurality of positioning holes are formed in one end of each vertical rod, positioning pins matched with the positioning holes are arranged on the two sides of one end of the fixed plate, a ventilation net is installed in the middle of the top end of the fixed plate, a heat dissipation box is connected to the lower end of the fixed plate, a device body is placed in the middle of the fixed heat dissipation device, four heat, one end of the device body is connected with a control switch, the front end of the device body is provided with a plurality of USB interfaces, and the front end of the device body is connected with a sealing device.
As a preferred technical scheme of the invention, the lower inner wall of the heat dissipation box is provided with the heat dissipation fan, the top end of the heat dissipation box is provided with the air outlet net, and one end of the heat dissipation box is movably connected with the cover plate.
According to a preferable technical scheme, the lifting device comprises a lifting box, the lower end of the lifting box is fixedly connected with the bottom plate, one end of the lifting box is rotatably connected with a knob, one end of the knob extends into the lifting box and is connected with a gear, one side of the lower box wall of the lifting box is connected with a support frame, the outer surface of the support frame is sleeved with a lifting rod, one end of the lifting rod is provided with a plurality of tooth sockets, one end of the lifting rod is meshed with the gear through the tooth sockets, the top end of the lifting rod penetrates through the lifting box and is connected with a connecting plate, and two sides of one end of the connecting plate are connected with mounting buckles.
According to a preferable technical scheme of the invention, the sealing device comprises a sealing plate, a plurality of sealing blocks matched with the USB interface for use are installed at one end of the sealing plate, clamping blocks are connected to two sides of one end of the sealing plate, and clamping grooves matched with the clamping blocks for use are formed in two sides of one end of the device body.
As a preferred technical scheme of the invention, the air outlet net is positioned right above the heat dissipation fan, and the air outlet net corresponds to the ventilation net in position and has the same size.
As a preferred technical scheme of the invention, both ends of the fixing plate are provided with mounting grooves matched with the mounting buckles for use, and the device body is placed at the top end of the fixing plate.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the fixed heat dissipation device is arranged, the pressing plate and the soft cushion can firmly fix the device body under the action of the vertical rod, so that the device body is prevented from being damaged in use, meanwhile, the device body can be effectively dissipated under the action of the heat dissipation fan in the heat dissipation box, the condition that the device body breaks down in use is also reduced, and the practicability and the service life of the whole device are improved.
2. Through setting up elevating gear, knob wherein can drive the gear and rotate to make the lifter can reciprocate in order to adjust the high position of whole device, make the adaptability of device when connecting equipment higher.
3. Through setting up sealing device, sealed piece wherein can seal the USB interface when the device body does not use, avoids the dust to enter into the device body from USB interface position, causes the injury to the device body, has improved the dirt proofness of whole device.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a fixed heat sink and a cross-sectional view of a heat sink box according to the present invention;
FIG. 3 is a schematic view and a cross-sectional view of a lifting device of the present invention;
FIG. 4 is a schematic view of the sealing device of the present invention connected to one end of the device body.
In the figure: 1. a base plate; 2. fixing the heat sink; 3. a lifting device; 4. a sealing device; 5. a dust screen; 6. heat dissipation holes; 7. a device body; 8. a control switch; 9. a card slot; 10. a USB interface; 21. a fixing plate; 22. pressing a plate; 23. a ventilation net; 24. a soft cushion; 25. a heat dissipation box; 26. positioning holes; 27. a vertical rod; 251. a heat radiation fan; 252. an air outlet net; 31. a lifting box; 32. a knob; 33. a lifting rod; 34. installing a buckle; 35. a connecting plate; 311. a support frame; 312. a tooth socket; 313. a gear; 41. a sealing plate; 42. a clamping block; 43. and (6) sealing the block.
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.
Referring to fig. 1-4, the present invention provides a technical solution: a computer network safety guarantee device comprises a bottom plate 1, wherein two bottom plates 1 are arranged, the top ends of the two bottom plates 1 are respectively connected with a lifting device 3, a fixed heat dissipation device 2 is connected between opposite surfaces of the two lifting devices 3, the fixed heat dissipation device 2 comprises a fixed plate 21, both sides of the top end of the fixed plate 21 are respectively and alternately connected with a vertical rod 27, a pressing plate 22 is connected between the upper parts of the opposite surfaces of the two vertical rods 27, the lower end of the pressing plate 22 is connected with a cushion 24, one end of the vertical rod 27 is respectively provided with a plurality of positioning holes 26, both sides of one end of the fixed plate 21 are respectively provided with a positioning pin matched with the positioning holes 26, the middle part of the top end of the fixed plate 21 is provided with a ventilation net 23, the lower end of the fixed plate 21 is connected with a heat dissipation box 25, and the outer surface of the heat dissipation hole 6 is all provided with the dust screen 5, one end of the device body 7 is connected with the control switch 8, the front end of the device body 7 is provided with a plurality of USB interfaces 10, the front end of the device body 7 is connected with the sealing device 4, when in use, the whole device is placed in a designated working area through the bottom plate 1, then the device body 7 is placed on the fixing plate 21 in the fixed heat dissipation device 2, the lower end of the device body 7 is attached to the ventilation net 23, at the moment, two positioning pins at one end of the fixing plate 21 are pulled out, then the two vertical rods 27 are moved downwards, the pressing plate 22 and the cushion 24 can firmly fix the device body 7 in an extrusion mode, after the fixing position is determined, the positioning pins penetrate into the fixing plate 21 and penetrate into the corresponding positioning holes 26 on the vertical rods 27, after the fixing is completed, the sealing device 4 is removed, then the device body 7 is started through the control switch 8, and equipment needing to be protected is connected into the device body And (4) finishing.
Referring to fig. 1-4, a heat dissipation fan 251 is installed on the lower inner wall of the heat dissipation box 25, an air outlet net 252 is installed on the top end of the heat dissipation box 25, and a cover plate is movably connected to one end of the heat dissipation box 25, when the device body 7 needs to be cooled, the cover plate at one end of the heat dissipation box 25 can be opened first, and the heat dissipation fan 251 in the heat dissipation box is started, so that the heat dissipation fan 251 starts to blow air and the blown air reaches the device body 7 through the air outlet net 252 and the ventilation net 23, and then the device body 7 can be effectively cooled by matching with the heat dissipation holes 6.
Referring to fig. 1-4, the lifting device 3 includes a lifting box 31, the lower end of the lifting box 31 is fixedly connected to the bottom plate 1, one end of the lifting box 31 is rotatably connected to a knob 32, one end of the knob 32 extends into the lifting box 31 and is connected to a gear 313, one side of the lower wall of the lifting box 31 is connected to a support frame 311, the outer surface of the support frame 311 is sleeved with a lifting rod 33, one end of the lifting rod 33 is provided with a plurality of tooth sockets 312, one end of the lifting rod 33 is engaged with the gear 313 through the tooth sockets 312, the top end of the lifting rod 33 penetrates through the lifting box 31 and is connected to a connection plate 35, both sides of one end of the connection plate 35 are connected to a mounting buckle 34, when the height position of the whole device needs to be adjusted, the knob 32 in the lifting device 3 can be rotated to rotate the gear 313, the lifting rod 33 can start to move up and down along the support, therefore, the height position of the whole device is adjusted, and when the lifting device 3 needs to be detached from the whole device, the connecting plate 35 can be directly pulled, so that the mounting buckle 34 at one end of the connecting plate is separated from the fixing plate 21, and the lifting device 3 can be detached from the whole device.
Referring to fig. 1-4, the sealing device 4 includes a sealing plate 41, a plurality of sealing blocks 43 are mounted at one end of the sealing plate 41 for cooperating with the USB interfaces 10, clamping blocks 42 are connected to both sides of one end of the sealing plate 41, and clamping grooves 9 are formed at both sides of one end of the device body 7 for cooperating with the clamping blocks 42, when the device body 7 is not used, the sealing blocks 43 at one end of the sealing plate 41 can be sequentially clamped into the plurality of USB interfaces 10, and the clamping blocks 42 can be clamped into the clamping grooves 9 to fix the sealing plate 41 to the device body 7.
Referring to fig. 1-4, the air outlet net 252 is located right above the heat dissipation fan 251, and the air outlet net 252 and the ventilation net 23 are located at the same position and have the same size, so that the heat dissipation effect of the heat dissipation fan 251 on the device body 7 is better.
Referring to fig. 1-4, the two ends of the fixing plate 21 are respectively provided with a mounting slot for cooperating with the mounting buckle 34, so that the lifting device 3 can be conveniently detached from the whole device, and the device body 7 is placed at the top end of the fixing plate 21.
The working principle is as follows: when the device is used, the whole device is placed in a designated working area through the bottom plate 1, then the device body 7 is placed on the fixing plate 21 in the fixed heat dissipation device 2, the lower end of the device body 7 is attached to the ventilation net 23, at this time, two positioning pins at one end of the fixing plate 21 are pulled out, two vertical rods 27 are moved downwards, the pressing plate 22 and the cushion 24 can firmly fix the device body 7 in an extrusion mode, after the fixing position is determined, the positioning pins penetrate into the fixing plate 21 and penetrate into corresponding positioning holes 26 on the vertical rods 27, after the fixing is completed, the sealing device 4 is taken off, then the device body 7 is started through the control switch 8, equipment needing to be protected is connected into the device body 7 through the USB interface 10, when the device body 7 needs to be dissipated heat, the cover plate at one end of the heat dissipation box 25 can be opened firstly, and the heat dissipation fan 251 in the device body is started, the heat dissipation fan 251 starts to blow air and the blown air reaches the device body 7 through the air outlet net 252 and the ventilation net 23, at this time, the device body 7 can be effectively dissipated heat under the coordination of the heat dissipation holes 6, when the height position of the whole device needs to be adjusted, the knob 32 in the lifting device 3 can be rotated, the gear 313 can be rotated, the lifting rod 33 can start to move up and down along the support frame 311 under the coordination of the gear 313 and the tooth groove 312, thereby the height position of the whole device can be adjusted, when the lifting device 3 needs to be detached from the whole device, the connecting plate 35 can be directly pulled, the mounting buckle 34 at one end of the connecting plate is separated from the fixing plate 21, the lifting device 3 can be detached from the whole device, when the device body 7 is not used, the sealing blocks 43 at one end of the sealing plate 41 can be sequentially clamped into a plurality of USB interfaces 10, and the latch 42 is latched into the latch groove 9 to complete the fixing of the sealing plate 41 to the device body 7.
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 (6)

1. The utility model provides a computer network safety guarantee device, includes bottom plate (1), its characterized in that: two bottom plates (1) are arranged, the top ends of the two bottom plates (1) are connected with lifting devices (3), and a fixed heat dissipation device (2) is connected between the opposite surfaces of the two lifting devices (3);
the fixed heat dissipation device (2) comprises a fixed plate (21), vertical rods (27) are respectively inserted and connected to two sides of the top end of the fixed plate (21), a pressing plate (22) is connected between the upper portions of opposite surfaces of the two vertical rods (27), a cushion (24) is connected to the lower end of the pressing plate (22), a plurality of positioning holes (26) are formed in one end of each vertical rod (27), positioning pins matched with the positioning holes (26) are arranged on two sides of one end of the fixed plate (21), a ventilation net (23) is installed in the middle of the top end of the fixed plate (21), and a heat dissipation box (25) is connected to the lower end of the fixed plate (;
the device comprises a fixed heat dissipation device (2) and is characterized in that a device body (7) is placed in the middle of the fixed heat dissipation device (2), four heat dissipation holes (6) distributed in a rectangular array are formed in the top end of the device body (7), dust screens (5) are mounted on the outer surfaces of the heat dissipation holes (6), one end of the device body (7) is connected with a control switch (8), a plurality of USB interfaces (10) are arranged at the front end of the device body (7), and a sealing device (4) is connected with the front end of the device body (7).
2. The computer network security and security device of claim 1, wherein: install cooling fan (251) on the lower inner wall of heat dissipation case (25), air-out net (252) is installed on the top of heat dissipation case (25), and the one end swing joint of heat dissipation case (25) has the apron.
3. The computer network security and security device of claim 1, wherein: elevating gear (3) are including lift box (31), and the lower extreme and bottom plate (1) fixed connection of lift box (31), the one end of lift box (31) is rotated and is connected with knob (32), the one end of knob (32) extends to in lift box (31) and is connected with gear (313), the lower case wall one side of lift box (31) is connected with support frame (311), lifter (33) has been cup jointed to the surface of support frame (311), the one end of lifter (33) is opened has a plurality of tooth's socket (312), and the one end of lifter (33) passes through tooth's socket (312) and meshes mutually with gear (313), lift box (31) is run through on the top of lifter (33) and is connected with connecting plate (35), the one end both sides of connecting plate (35) all are connected with installation knot (34).
4. The computer network security and security device of claim 1, wherein: the sealing device (4) comprises a sealing plate (41), a plurality of sealing blocks (43) matched with the USB interface (10) for use are installed at one end of the sealing plate (41), clamping blocks (42) are connected to two sides of one end of the sealing plate (41), and clamping grooves (9) matched with the clamping blocks (42) for use are formed in two sides of one end of the device body (7).
5. The computer network security and security device of claim 2, wherein: the air outlet net (252) is located right above the heat dissipation fan (251), and the air outlet net (252) corresponds to the ventilation net (23) in position and is the same in size.
6. The computer network security and security device of claim 1, wherein: both ends of the fixing plate (21) are provided with mounting grooves matched with the mounting buckles (34) for use, and the device body (7) is placed at the top end of the fixing plate (21).
CN202011027633.3A 2020-09-25 2020-09-25 Computer network safety guarantee device Active CN112135490B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011027633.3A CN112135490B (en) 2020-09-25 2020-09-25 Computer network safety guarantee device

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Application Number Priority Date Filing Date Title
CN202011027633.3A CN112135490B (en) 2020-09-25 2020-09-25 Computer network safety guarantee device

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CN112135490A true CN112135490A (en) 2020-12-25
CN112135490B CN112135490B (en) 2022-08-09

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207938321U (en) * 2017-12-01 2018-10-02 江苏中软智能系统有限公司 A kind of device of Strengthens network safety
CN109757083A (en) * 2019-01-16 2019-05-14 黑龙江省网络空间研究中心 A kind of network security router radiator and heat dissipating method
CN209861444U (en) * 2019-03-22 2019-12-27 江苏财经职业技术学院 Network security is with control rack convenient to use
CN210898594U (en) * 2019-12-13 2020-06-30 九江赛特睿新能源科技有限公司 Battery pack parallel output controller
CN211047656U (en) * 2019-07-25 2020-07-17 福建中信网安信息科技有限公司 Network safety monitoring device for electric power monitoring system
CN211127843U (en) * 2020-01-09 2020-07-28 北京汇丰网达科技有限公司 Network security isolation device
CN211152556U (en) * 2019-11-14 2020-07-31 重庆七彩虹数码科技有限公司 Dustproof efficient heat dissipation type network security device
CN211210308U (en) * 2019-12-18 2020-08-07 陈雪婷 Network security equipment protector
CN211265885U (en) * 2019-12-17 2020-08-14 广州敦临智能科技有限公司 Computer network tapping device

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207938321U (en) * 2017-12-01 2018-10-02 江苏中软智能系统有限公司 A kind of device of Strengthens network safety
CN109757083A (en) * 2019-01-16 2019-05-14 黑龙江省网络空间研究中心 A kind of network security router radiator and heat dissipating method
CN209861444U (en) * 2019-03-22 2019-12-27 江苏财经职业技术学院 Network security is with control rack convenient to use
CN211047656U (en) * 2019-07-25 2020-07-17 福建中信网安信息科技有限公司 Network safety monitoring device for electric power monitoring system
CN211152556U (en) * 2019-11-14 2020-07-31 重庆七彩虹数码科技有限公司 Dustproof efficient heat dissipation type network security device
CN210898594U (en) * 2019-12-13 2020-06-30 九江赛特睿新能源科技有限公司 Battery pack parallel output controller
CN211265885U (en) * 2019-12-17 2020-08-14 广州敦临智能科技有限公司 Computer network tapping device
CN211210308U (en) * 2019-12-18 2020-08-07 陈雪婷 Network security equipment protector
CN211127843U (en) * 2020-01-09 2020-07-28 北京汇丰网达科技有限公司 Network security isolation device

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