CN114667012B - Safety management device for communication network node - Google Patents

Safety management device for communication network node Download PDF

Info

Publication number
CN114667012B
CN114667012B CN202210222615.3A CN202210222615A CN114667012B CN 114667012 B CN114667012 B CN 114667012B CN 202210222615 A CN202210222615 A CN 202210222615A CN 114667012 B CN114667012 B CN 114667012B
Authority
CN
China
Prior art keywords
panel
rod
opening
side wall
communication network
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.)
Active
Application number
CN202210222615.3A
Other languages
Chinese (zh)
Other versions
CN114667012A (en
Inventor
周晓东
魏薇
姚文杰
张昊
陈其泽
倪文书
陈思颖
钟紫荆
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.)
State Grid Fujian Electric Power Co Ltd
Information and Telecommunication Branch of State Grid Fujian Electric Power Co Ltd
Original Assignee
State Grid Fujian Electric Power Co Ltd
Information and Telecommunication Branch of State Grid Fujian Electric Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by State Grid Fujian Electric Power Co Ltd, Information and Telecommunication Branch of State Grid Fujian Electric Power Co Ltd filed Critical State Grid Fujian Electric Power Co Ltd
Priority to CN202210222615.3A priority Critical patent/CN114667012B/en
Publication of CN114667012A publication Critical patent/CN114667012A/en
Application granted granted Critical
Publication of CN114667012B publication Critical patent/CN114667012B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00Casings, cabinets or drawers for electric apparatus
    • H05K5/0004Casings, cabinets or drawers for electric apparatus comprising several parts forming a closed casing
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00Casings, cabinets or drawers for electric apparatus
    • H05K5/02Details
    • H05K5/0217Mechanical details of casings

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Casings For Electric Apparatus (AREA)

Abstract

The invention relates to a safety management device for a communication network node, which comprises a case shell, wherein the front side of the case shell is provided with an opening, a panel for opening and closing the opening is arranged at the opening, the panel is hinged with the case shell, the front side inside the case shell is provided with an indicator light and a plurality of cable interfaces, the panel is correspondingly provided with a yielding hole for yielding each indicator light and each cable interface, the panel comprises an upper panel and a lower panel which are arranged in an up-down symmetrical way, the left side and the right side of the upper end of the upper panel and the left side and the right side of the lower end of the lower panel are both rotationally connected with the side wall of the case shell through hinge shafts.

Description

Safety management device for communication network node
Technical Field
The invention relates to the technical field of power grid security guarantee and defense of smart power grid industry, in particular to a communication network node security management device.
Background
The communication network node safety management device consists of two parts of software and hardware, wherein the software layer is generally provided with threat detection, analysis and management products. The software can be used for detecting the threats such as viruses, worms, trojans, DDos, scanning, SQL injection, XSS, buffer overflow, deception hijacking and the like and network resource abuse such as P2P uploading and downloading, network games, video and audio, network stock frying and the like with high precision, and has very accurate and effective discovery capability on the abnormal conditions of network traffic. Compared with a representative intrusion detection system, such as a large enterprise with a large number of branch institutions like a national power grid, a power bureau and the like, the security management device capable of analyzing the whole network information and supervising the network security condition is needed. And the hardware level integrates an indicator light, a USB interface, a serial port configuration port, a management interface, an Ethernet electric port, an Ethernet optical fiber interface and the like on a panel of the case. Because the various interfaces of the panel are plugged with various cables, the device needs to be opened from the back plate when the interior of the device is opened, and the back plate of the device after installation often does not face a maintainer, so that the device needs to be carried out entirely.
Disclosure of Invention
The invention aims to overcome the defects, and provides a communication network node safety management device.
The invention solves the technical problem by adopting a scheme that the communication network node safety management device comprises a case shell, wherein the front side of the case shell is provided with an opening, a panel for opening and closing the opening is arranged at the opening, the panel is hinged with the case shell, the front side inside the case shell is provided with an indicator light and a plurality of cable interfaces, and the panel is correspondingly provided with a yielding hole for yielding each indicator light and each cable interface.
Further, the indicator light and the cable interfaces are arranged in the middle of the panel and are arranged in a straight line at intervals in the transverse direction, the panel comprises an upper panel and a lower panel which are respectively connected to the upper side and the lower side of the indicator light and the cable interfaces in a turnover way through a hinge shaft, a protective sleeve which is arranged along the transverse central line of an opening and is abutted between the upper panel and the lower panel when the upper panel and the lower panel are closed is sleeved outside the indicator light and the cable interfaces, two ends of the protective sleeve are connected to sliding blocks which are longitudinally and slidably connected to the left inner side wall and the right inner side wall of the case body, two sides of the sliding blocks are respectively provided with an upper sliding rod which extends vertically upwards and is slidably connected with the inner side wall of the case body and a lower sliding rod which extends vertically and is slidably connected with the inner side wall of the case body, the two ends of the sliding block are respectively connected with an upper connecting rod and a lower connecting rod, the two ends of the upper connecting rod are respectively hinged with the sliding block and the lower end of the upper sliding rod, the two ends of the lower connecting rod are respectively hinged with the upper ends of the sliding block and the lower sliding rod, the inner side wall of the case shell is also transversely and slidably connected with an upper push rod positioned below a hinge shaft of the upper panel, the upper end part of the upper sliding rod is provided with an upper contact block for pushing the upper push rod to longitudinally push the upper panel outwards in the ascending process, the upper push rod pushes the upper panel to open an opening when being pushed outwards, the inner side wall of the case shell is also transversely and slidably connected with a lower push rod positioned above the hinge shaft of the lower panel, the lower end part of the lower sliding rod is provided with a lower contact block for pushing the lower push rod to longitudinally push the lower panel outwards in the descending process, and the two outer side walls of the case shell are provided with push buttons for connecting the sliding blocks on the same side;
when the slide block is pushed out, the upper push rod and the lower push rod of the protective sleeve are pushed out outwards.
Further, the sliding block is arranged in the middle of the front side of the side wall of the case body, and the upper push rod and the lower push rod are respectively matched with the upper contact block and the lower contact block through inclined planes.
Further, the upper end of the upper push rod is provided with an upper push block facing the upper contact block, the upper contact block is matched with the upper push block through an inclined plane, the lower end of the lower push rod is provided with a lower push block facing the lower contact block, and the lower contact block is matched with the lower push block through an inclined plane.
Further, the push button extends out after penetrating through the side wall of the case body, and a longitudinal strip hole for the push button to penetrate through is formed in the side wall of the case body.
Further, the inner side wall of the case shell is provided with a longitudinal chute, a vertical upper chute, a vertical lower chute, an upper longitudinal chute and a lower longitudinal chute which are respectively in sliding fit with the sliding block, the upper sliding rod, the lower sliding rod, the upper pushing rod and the lower pushing rod.
Further, the upper slide bar and the lower slide bar are arranged in parallel at intervals from front to back.
Further, the cable interface comprises a serial port configuration port, a plurality of management interfaces, a plurality of Ethernet electric ports, a plurality of Ethernet optical fiber interfaces and a USB interface which are sequentially arranged at intervals.
Furthermore, three management interfaces, an Ethernet electrical port and an Ethernet optical fiber interface are arranged.
Furthermore, the case shell and the panel are both made of metal materials.
Compared with the prior art, the invention has the following beneficial effects: the device is simple in structure and reasonable in design, the front face of the case body is provided with the turnover panel, the whole device is not required to be carried out, and the inside of the device is opened after the panel is turned over.
Drawings
The patent of the invention is further described below with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of the device.
Fig. 2 is a schematic diagram of the structure of the device.
Fig. 3 is an enlarged view of a portion a in fig. 2.
In the figure: 1-a case housing; 2-panels; 201-upper panel; 202-a lower panel; 3-a hinge shaft; 4-indicator lights; 5-cable interface; 501-serial port configuration port; 502-management interface; 503-ethernet electrical port; 504-an ethernet fiber optic interface; 505-USB interface; 6-protecting sleeve; 7-a slide block; 8-upper slide bar; 9-a lower slide bar; 10-upper connecting rod; 11-lower connecting rod; 12-pushing up the rod; 13-upper contact block; 14-pushing down the rod; 15-lower contact block; 16-push button; 17-a longitudinal chute; 18-a vertical upper chute; 19-a vertical lower chute; 20-pushing up the block; 21-push down block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1-3, a communication network node safety management device includes a chassis housing 1 with an opening at the front side, a panel 2 for opening and closing the opening is provided at the opening, the panel is hinged with the chassis housing, an indicator light 4 and a plurality of cable interfaces 5 are provided at the front side inside the chassis housing, and a yielding hole for yielding each indicator light and each cable interface is correspondingly provided on the panel.
Further, the indicator light and the plurality of cable interfaces are arranged in the middle of the panel and are arranged in a line shape at intervals along the transverse direction, the panel comprises an upper panel 201 and a lower panel 202 which are respectively connected to the upper side and the lower side of the indicator light and the cable interfaces in a turnover way through a hinge shaft 3, the left side and the right side of the upper end of the upper panel and the left side and the right side of the lower panel are respectively connected with the side wall of the case shell in a rotating way through the hinge shaft, the outer side of the indicator light and the cable interfaces is sleeved with a protective sleeve 6 which is arranged along the transverse midline of the opening and is abutted between the upper panel and the lower panel when the upper panel and the lower panel are closed, two ends of the protective sleeve are connected on a sliding block 7 which is longitudinally and slidably connected to the left side wall and the right side wall of the case shell, two sides of the sliding block are respectively provided with an upper sliding rod 8 which extends vertically upwards and is slidably connected with the inner side wall of the case shell and a lower sliding rod 9 which extends vertically downwards and is slidably connected with the inner side wall of the case shell, the two ends of the slide block are respectively provided with an upper connecting rod 10 and a lower connecting rod 11 which are connected with an upper slide bar and a lower slide bar, the two ends of the upper connecting rod are respectively hinged with the lower ends of the slide block and the upper slide bar, the two ends of the lower connecting rod are respectively hinged with the upper ends of the slide block and the lower slide bar, the inner side wall of the case shell is also transversely and slidingly connected with an upper push rod 12 positioned below the hinge shaft of the upper panel, the upper end part of the upper slide bar is provided with an upper contact block 13 used for pushing the upper push rod longitudinally outwards in the ascending process, the upper panel is pushed to open the opening when the upper push rod is pushed outwards, the inner side wall of the case shell is also transversely and slidingly connected with a lower push rod 14 positioned above the hinge shaft of the lower panel, the lower end part of the lower slide bar is provided with a lower contact block 15 used for pushing the lower push rod longitudinally outwards in the descending process, the lower panel is pushed outwards to open the opening when the lower push rod is pushed outwards, push buttons 16 connected with the sliding blocks on the same side are arranged on the two outer side walls of the case body;
when the sliding block is pushed out, the upper push rod and the lower push rod of the protective sleeve are pushed out outwards, and because of the existence of the upper connecting rod and the lower connecting rod, the displacement of the upper sliding rod and the lower sliding rod in the vertical direction is not large at the stage that the sliding block is just pushed out outwards, and the protective sleeve is reflected outside the case shell and is pushed out outwards along with the sliding block, so that the protective sleeve is separated from the space between the upper panel and the lower panel;
because the cable is connected to the cable interface, the outline of the protective sleeve is consistent with the outline of the indicator light and the outline of the cable interface, and the protective sleeve is pushed outwards firstly, the small section of the cable connected with the cable interface (namely between the pushed protective sleeve and the cable interface) is vertical to the panel, and then the cable is not scratched and protected when the upper panel is turned up and the lower panel is turned down;
when the sliding block passes between the upper sliding rod and the lower sliding rod, namely, when the upper connecting rod and the lower connecting rod are in a vertical state, the upper contact block pushes the upper push rod outwards in the ascending process so as to turn the upper panel upwards, and meanwhile, the lower contact block pushes the lower push rod outwards in the descending process so as to turn the lower panel downwards; through the complete action, namely in the process of pushing out the push button once, the cable is protected to open the upper panel and the lower panel, and the inside of the case shell can be directly opened from the front under the condition that the cable is connected.
In this embodiment, the slider is installed in the middle of the front side of the side wall of the chassis housing, the upper end of the upper push rod is provided with an upper push block 20 facing the upper contact block, the upper contact block and the upper push block are matched through an inclined plane, the lower end of the lower push rod is provided with a lower push block 21 facing the lower contact block, and the lower contact block and the lower push block are matched through an inclined plane. The upper push block is extruded to push the upper push rod outwards in the ascending process of the upper contact block, the upper push rod pushes the upper panel, the upper panel is opened upwards, the lower push rod is pushed outwards in the descending process of the lower contact block, and the lower push rod pushes the lower panel, so that the lower panel is opened downwards.
In this embodiment, the push button extends out after penetrating through a side wall of the chassis housing, and a longitudinal strip hole through which the push button passes is formed in the side wall of the chassis housing.
In this embodiment, the inner side wall of the casing of the chassis is provided with a longitudinal chute 17, a vertical upper chute 18, a vertical lower chute 19, an upper longitudinal chute and a lower longitudinal chute, which are respectively in sliding fit with the slide block, the upper slide bar, the lower slide bar, the upper push bar and the lower push bar.
In this embodiment, the upper slide bar and the lower slide bar are parallel to each other and are arranged at intervals in front and back.
In this embodiment, the cable interface includes a serial port configuration port 501, a plurality of management interfaces 502, a plurality of ethernet ports 503, a plurality of ethernet fiber interfaces 504, and a USB interface 505 that are sequentially arranged at intervals.
In this embodiment, three management interfaces, an ethernet electrical port, and an ethernet optical fiber interface are all provided.
In this embodiment, the chassis housing and the panel are both made of metal.
If this patent discloses or relates to components or structures that are fixedly connected to each other, then unless otherwise stated, the fixed connection is understood as: detachably fixed connection (e.g. using bolts or screws) can also be understood as: the non-detachable fixed connection (e.g. riveting, welding), of course, the mutual fixed connection may also be replaced by an integral structure (e.g. integrally formed using a casting process) (except for obviously being unable to use an integral forming process).
In the description of this patent, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate describing the patent, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the patent.
While the foregoing is directed to the preferred embodiment, other and further embodiments of the invention will be apparent to those skilled in the art from the following description, wherein the invention is described, by way of illustration and example only, and it is intended that the invention not be limited to the specific embodiments illustrated and described, but that the invention is to be limited to the specific embodiments illustrated and described.

Claims (9)

1. A communication network node security management apparatus, characterized in that: the box comprises a box shell with an opening at the front side, wherein a panel for opening and closing the opening is arranged at the opening, the panel is hinged with the box shell, an indicator lamp and a plurality of cable interfaces are arranged at the front side inside the box shell, and yielding holes for yielding the indicator lamps and the cable interfaces are correspondingly arranged on the panel;
the indicator lamp and the cable interfaces are arranged in the middle of the panel and are arranged in a straight line at intervals in the transverse direction, the panel comprises an upper panel and a lower panel which are respectively connected to the upper side and the lower side of the indicator lamp and the cable interfaces in a turnover way through a hinge shaft, a protective sleeve which is arranged along the transverse central line of an opening and is abutted against the upper panel and the lower panel when the upper panel and the lower panel are closed is sleeved outside the indicator lamp and the cable interfaces, two ends of the protective sleeve are connected to sliding blocks which are longitudinally and slidably connected to the left inner side wall and the right inner side wall of the case shell, two sides of the sliding blocks are respectively provided with an upper sliding rod which vertically extends upwards and is slidably connected with the inner side wall of the case shell and a lower sliding rod which vertically extends downwards and is slidably connected with the inner side wall of the case shell, two ends of the sliding rods are respectively connected with an upper connecting rod and a lower connecting rod, two ends of the upper connecting rod are respectively hinged with the lower end of the sliding rod, the lower connecting rod are respectively hinged with the sliding rod and the lower upper end, the inner side wall of the case shell is also transversely and slidably connected with an upper pushing rod positioned below the hinge shaft of the upper panel when the upper pushing rod is longitudinally and the upper pushing rod, the upper pushing rod is in a lower opening, and the lower pushing rod is also connected with the lower pushing rod which is arranged in the opening of the upper side of the case shell, and the upper opening is horizontally and the lower opening and is connected with the lower opening and the lower pushing rod.
When the sliding block is pushed out, the upper push rod and the lower push rod are pushed out by the protective sleeve.
2. The communication network node security management apparatus according to claim 1, wherein: the sliding block is arranged in the middle of the front side of the side wall of the case shell, and the upper push rod and the lower push rod are respectively matched with the upper contact block and the lower contact block through inclined planes.
3. The communication network node security management apparatus according to claim 2, wherein: the upper push rod upper end is equipped with the last ejector pad of orientation upper contact piece, goes up the contact piece and goes up the ejector pad through the inclined plane cooperation, the lower push rod lower extreme is equipped with the lower ejector pad of orientation lower contact piece, and lower contact piece and lower ejector pad are through the inclined plane cooperation.
4. The communication network node security management apparatus according to claim 1, wherein: the push button extends out after penetrating through the side wall of the case body, and a longitudinal strip hole for the push button to pass through is formed in the side wall of the case body.
5. The communication network node security management apparatus according to claim 1, wherein: the inner side wall of the case shell is provided with a longitudinal chute, a vertical upper chute, a vertical lower chute, an upper longitudinal chute and a lower longitudinal chute which are respectively in sliding fit with the sliding block, the upper sliding rod, the lower sliding rod.
6. The communication network node security management apparatus according to claim 1, wherein: the upper slide bar and the lower slide bar are arranged in parallel at intervals from front to back.
7. The communication network node security management apparatus according to claim 1, wherein: the cable interface comprises a serial port configuration port, a plurality of management interfaces, a plurality of Ethernet electrical ports, a plurality of Ethernet optical fiber interfaces and a USB interface which are sequentially arranged at intervals.
8. The communication network node security management apparatus according to claim 7, wherein: the management interface, the Ethernet electrical port and the Ethernet optical fiber interface are all three.
9. The communication network node security management apparatus according to claim 1, wherein: the case shell and the panel are both made of metal materials.
CN202210222615.3A 2022-03-09 2022-03-09 Safety management device for communication network node Active CN114667012B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210222615.3A CN114667012B (en) 2022-03-09 2022-03-09 Safety management device for communication network node

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210222615.3A CN114667012B (en) 2022-03-09 2022-03-09 Safety management device for communication network node

Publications (2)

Publication Number Publication Date
CN114667012A CN114667012A (en) 2022-06-24
CN114667012B true CN114667012B (en) 2023-08-01

Family

ID=82029083

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210222615.3A Active CN114667012B (en) 2022-03-09 2022-03-09 Safety management device for communication network node

Country Status (1)

Country Link
CN (1) CN114667012B (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203734949U (en) * 2014-01-09 2014-07-23 曙光信息产业(北京)有限公司 Improved machine box
CN104254222A (en) * 2014-09-24 2014-12-31 南京国电南自电网自动化有限公司 Front wiring case with front panel capable of overturning up and down
CN208581324U (en) * 2018-07-18 2019-03-05 河南铭视科技股份有限公司 Anticollision interchanger
CN111163020A (en) * 2018-11-07 2020-05-15 黄石禾呈电子商务有限公司 Switch with shelter from function
US10701819B1 (en) * 2019-11-11 2020-06-30 Litemax Electronics Inc. Housing structure of information display unit
CN211297401U (en) * 2019-07-02 2020-08-18 威尔创新(天津)科技发展有限公司 Novel server case
CN212696351U (en) * 2020-09-16 2021-03-12 苏州利霖安全科技有限公司 Fire emergency evacuation residual pressure control box
CN215011013U (en) * 2021-05-27 2021-12-03 山东鑫诚信电子科技有限公司 Monitoring data display terminal integration box that barrier propterty is high
CN215582465U (en) * 2021-08-30 2022-01-18 国网福建省电力有限公司漳州供电公司 Network security device convenient to maintenance

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203734949U (en) * 2014-01-09 2014-07-23 曙光信息产业(北京)有限公司 Improved machine box
CN104254222A (en) * 2014-09-24 2014-12-31 南京国电南自电网自动化有限公司 Front wiring case with front panel capable of overturning up and down
CN208581324U (en) * 2018-07-18 2019-03-05 河南铭视科技股份有限公司 Anticollision interchanger
CN111163020A (en) * 2018-11-07 2020-05-15 黄石禾呈电子商务有限公司 Switch with shelter from function
CN211297401U (en) * 2019-07-02 2020-08-18 威尔创新(天津)科技发展有限公司 Novel server case
US10701819B1 (en) * 2019-11-11 2020-06-30 Litemax Electronics Inc. Housing structure of information display unit
CN212696351U (en) * 2020-09-16 2021-03-12 苏州利霖安全科技有限公司 Fire emergency evacuation residual pressure control box
CN215011013U (en) * 2021-05-27 2021-12-03 山东鑫诚信电子科技有限公司 Monitoring data display terminal integration box that barrier propterty is high
CN215582465U (en) * 2021-08-30 2022-01-18 国网福建省电力有限公司漳州供电公司 Network security device convenient to maintenance

Also Published As

Publication number Publication date
CN114667012A (en) 2022-06-24

Similar Documents

Publication Publication Date Title
CN112291232B (en) Safety capability and safety service chain management platform based on tenants
EP2619865B1 (en) Cable consolidation boxes and systems
US8894438B2 (en) Receptacle assembly having angled receptacle guide frames
WO2015129934A1 (en) Command control channel detection device and method
CN114667012B (en) Safety management device for communication network node
CN104244249A (en) Techniques for providing security protection in wireless network by switching modes
CN109635283A (en) It is a kind of based on the occurred events of public safety method for early warning in advance for excavating citizen and complaining text
CN110135171A (en) A kind of Internet of Things information security situation system
CN114124450A (en) Network security system and method for remote storage battery capacity checking
CN211859565U (en) Railway signal cable terminating connection cabinet
CN112953975B (en) Network security situation awareness system and method
CN116248352A (en) Network security system and protection method
CN206879260U (en) Environmental protection tests control device
CN214618556U (en) Video monitoring equipment board card dismouting structure
CN214369634U (en) Safety warning lamp for coal mine
Paś et al. Reliability and operational analysis of an electronic security system taking into account the impact of strong electromagnetic pulses
CN219552672U (en) Fireproof door opening and closing state acquisition sensing device
CN214278939U (en) Intelligent security application device for computer informatization
CN214428971U (en) Power distribution cabinet of monitoring center
CN216355768U (en) Novel flame-retardant wiring groove
CN109658551A (en) A kind of power high voltage laboratory safety protection control device
CN209325303U (en) A kind of video monitoring protective housing
US11955789B2 (en) Supply unit for electromagnetically shielded and burglarproof rooms
CN217182679U (en) Intelligent low-voltage switch cabinet with automatic fire alarm function
CN210983407U (en) Computer network information safety device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant