CN111600228A - Hidden switch board - Google Patents

Hidden switch board Download PDF

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Publication number
CN111600228A
CN111600228A CN202010434682.2A CN202010434682A CN111600228A CN 111600228 A CN111600228 A CN 111600228A CN 202010434682 A CN202010434682 A CN 202010434682A CN 111600228 A CN111600228 A CN 111600228A
Authority
CN
China
Prior art keywords
cover body
power distribution
distribution cabinet
screw rod
cover
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.)
Pending
Application number
CN202010434682.2A
Other languages
Chinese (zh)
Inventor
陈剑超
魏春良
蒋晓东
钟斌燚
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.)
Jiaxing Zhenghui Electric Power Equipment Co ltd
Original Assignee
Jiaxing Zhenghui Electric Power Equipment 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 Jiaxing Zhenghui Electric Power Equipment Co ltd filed Critical Jiaxing Zhenghui Electric Power Equipment Co ltd
Priority to CN202010434682.2A priority Critical patent/CN111600228A/en
Publication of CN111600228A publication Critical patent/CN111600228A/en
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/56—Cooling; Ventilation
    • H02B1/565—Cooling; Ventilation for cabinets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/043—Allowing translations
    • F16M11/046—Allowing translations adapted to upward-downward translation movement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/20—Undercarriages with or without wheels
    • F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
    • F16M11/26—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by telescoping, with or without folding
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
    • H02B1/202—Cable lay-outs
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26—Casings; Parts thereof or accessories therefor
    • H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26—Casings; Parts thereof or accessories therefor
    • H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
    • H02B1/306—Accessories, e.g. windows
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26—Casings; Parts thereof or accessories therefor
    • H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
    • H02B1/32—Mounting of devices therein
    • H02B1/34—Racks
    • H02B1/36—Racks with withdrawable units

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Patch Boards (AREA)

Abstract

The invention discloses a hidden power distribution cabinet which comprises a ground part and an underground part, wherein the underground part comprises a base, a cover body arranged on the base, a mounting bracket positioned in the cover body and a lifting device for driving the mounting bracket to extend out of or retract into the cover body, the lower end of the cover body is fixed on the base, the upper end of the cover body is exposed out of the ground and is provided with an opening for the mounting bracket to extend out of, the mounting bracket is used for mounting an electric element, the ground part comprises a top cover fixed on the mounting bracket, the top cover covers the opening when the mounting bracket retracts into the cover body, the top cover is provided with a switch for controlling the lifting device to lift, the base is provided with a wire inlet and a wire outlet which are communicated with the interior of. The hidden power distribution cabinet is suitable for being arranged in public places such as roadsides, parks and the like, can hide the power distribution cabinet, reduces the influence of the power distribution cabinet on the environment, and is not easy to damage.

Description

Hidden switch board
Technical Field
The invention belongs to the technical field of power distribution cabinets, and particularly relates to a hidden power distribution cabinet.
Background
The distribution cabinet is a final-stage device of a distribution system, and is divided into a power distribution cabinet (box), a lighting distribution cabinet (box) and a metering cabinet (box). The power distribution cabinet is a general name of a motor control center. The power distribution cabinet is used in the occasions with dispersed loads and less loops; the motor control center is used for occasions with concentrated loads and more loops. They distribute the power of a certain circuit of the upper-level distribution equipment to the nearby loads. This level of equipment should provide protection, monitoring and control of the load. When the conventional power distribution cabinet is arranged in public places such as a roadside and a park, the conventional power distribution cabinet looks very eye-ward, is difficult to be fused with the surrounding environment, damages the coordination and beauty of the environment, is easy to be damaged by animals or children, and has certain potential safety hazards.
Disclosure of Invention
In order to solve the technical problems, the invention adopts the technical scheme that: the utility model provides a hidden switch board, is including ground part and underground part, underground part is including the base, install the cover body on the base, be located the lifting device that cover body inside installing support, drive installing support stretch out or the withdrawal cover body, the lower extreme of the cover body is fixed on the base, and the upper end of the cover body exposes ground and has the opening that supplies the installing support to stretch out, and the installing support is used for installing electrical component, ground part is including fixing the top cap on the installing support, and the top cap covers the opening when the installing support withdrawal cover body is inside, is equipped with the switch that control lifting device goes up and down on the top cap, is equipped with the inside inlet wire and the outlet of the intercommunication cover body on the base, be equipped with plant cultivation.
Preferably, the mounting bracket comprises a lifting plate, the lifting plate is fixedly connected with a plurality of support columns, the upper ends of the support columns are fixedly connected with a top cover, the lifting plate is fixedly provided with a vertically-arranged electric mounting plate, the lifting plate is provided with a wire inlet hole and a wire outlet hole, the wire inlet hole corresponds to the wire inlet, and the wire outlet hole corresponds to the wire outlet.
Preferably, the lifting device comprises a motor and a screw rod, the motor and the screw rod are both arranged in the cover body, the motor drives the screw rod to rotate, a screw rod pair matched with the screw rod is arranged on the screw rod, and the screw rod pair is fixedly connected with the lifting plate.
Preferably, the number of the screw rods is two, the screw rod pairs on the two screw rods are respectively and fixedly connected with the lifting plate, the two screw rod pairs are oppositely arranged, and the motor drives the two screw rods to rotate simultaneously through the synchronous belt.
Preferably, the cover body is internally provided with a plurality of guide rods, and the lifting plate is provided with guide holes for the guide rods to movably penetrate through.
As the optimization of the technical scheme, a baffle is arranged between the adjacent support columns, two sides of the baffle are respectively and fixedly connected to the upper ends of the support columns, and a plurality of air holes are formed in the baffle.
Preferably, the air holes are obliquely arranged, the highest ends of the air holes are communicated with the inner side of the mounting bracket, and the lowest ends of the air holes are communicated with the outer side of the mounting bracket.
Preferably as above-mentioned technical scheme, the side of top cap is equipped with the mounting groove, install temperature and humidity controller in the mounting groove, temperature and humidity controller is including installing the temperature sensor on the lifter plate and installing the humidity transducer on the top cap, temperature and humidity controller makes the baffle stretch out the cover body or retract the cover body from the opening part according to the temperature information that temperature sensor provided and the humidity information control motor that humidity transducer provided start, and the switch is established in the mounting groove, and the start-up of on-off control motor makes the installing support stretch out the cover body or retract the cover body from the opening part in, mounting groove department is stamped the capping, and one side of capping articulates on the top cap, and the opposite side passes through the tool to lock.
Preferably, the cover is internally provided with a fan, the base is provided with a fan mounting groove for mounting the fan, the fan is mounted in the fan mounting groove, and the temperature and humidity controller controls the fan to rotate.
Preferably, the lower surface of the top cover is provided with a slot for inserting the part of the upper end of the cover body exposed out of the ground, and a waterproof sealing strip is arranged in the slot.
The invention has the beneficial effects that: the hidden power distribution cabinet is suitable for being arranged in public places such as roadsides, parks and the like, can hide the power distribution cabinet, reduces the influence of the power distribution cabinet on the environment, and is not easy to damage.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic cross-sectional view of the baffle of the present invention when exposed;
FIG. 4 is a schematic cross-sectional view of the baffle of the present invention when not exposed;
fig. 5 is a schematic view of the mounting bracket of the present invention shown extended from the housing.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element 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 present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-5, a hidden power distribution cabinet comprises a ground part and an underground part, wherein the underground part comprises a base 1, a cover body 2 installed on the base 1, a mounting bracket 3 located inside the cover body 2, and a lifting device for driving the mounting bracket 3 to extend out of or retract into the cover body 2, the lower end of the cover body 2 is fixed on the base 1, the upper end of the cover body 2 is exposed out of the ground 4 and is provided with an opening 5 for the mounting bracket 3 to extend out of, the mounting bracket is used for mounting an electrical component, the ground part comprises a top cover 6 fixed on the mounting bracket 3, the top cover 6 covers the opening 5 when the mounting bracket 3 retracts into the cover body 2, a switch for controlling the lifting device to lift is arranged on the top cover 6, a wire inlet 7 and a wire outlet 8 which are communicated with the inside of the cover body 2 are arranged on. When the installation is carried out, the base 1 and the cover body 2 are buried under the ground, and the upper end part of the cover body 2 is exposed out of the ground 4. Make the installing support stretch out from the cover body 2 through on-off control when needing to maintain to look over the switch board, maintain to look over and make the installing support retract cover body 2 in through on-off control after the completion in, top cap 6 covers opening 5, including cultivates the plant in plant cultivation groove 9 to hide the switch board completely.
Further, installing support 3 is including lifter plate 10, a plurality of support columns 11 of fixedly connected with on the lifter plate 10, and the upper end fixed connection top cap 6 of support column 11 is fixed with the electric mounting panel 12 of vertical setting on the lifter plate 10, is equipped with entrance hole and wire outlet on the lifter plate 10, and the entrance hole is corresponding with inlet 7, and the wire outlet is corresponding with outlet 8.
Further, the lifting device comprises a motor 13 and a screw rod 14, the motor 13 and the screw rod 14 are both installed inside the cover body 2, the motor 13 drives the screw rod 14 to rotate, a screw rod pair 15 matched with the screw rod 14 is installed on the screw rod 14, and the screw rod pair 15 is fixedly connected with the lifting plate 10.
Furthermore, the number of the screw rods 14 is two, the screw rod pairs 15 on the two screw rods 14 are respectively and fixedly connected with the lifting plate 10, the two screw rod pairs 15 are arranged oppositely, and the motor 13 drives the two screw rods 14 to rotate through the synchronous belt 16.
Furthermore, a plurality of guide rods 17 are installed inside the cover body 2, and guide holes 18 for the guide rods 17 to movably pass through are formed in the lifting plate 10.
Further, a baffle plate 19 is arranged between the adjacent support columns 11, two sides of the baffle plate 19 are respectively and fixedly connected to the upper ends of the support columns 11, and a plurality of air holes 20 are formed in the baffle plate 19. The motor 13 drives the screw rod 14 to rotate to drive the lifting plate 10 to ascend to a certain height, so that the baffle plate 19 is exposed out of the ground 4, and hot air in the power distribution cabinet dissipates heat through the air holes 20.
Further, the air holes 20 are obliquely arranged, the highest ends of the air holes 20 are communicated with the inner side of the mounting bracket 3, and the lowest ends of the air holes 20 are communicated with the outer side of the mounting bracket 3. The bleeder vent 20 that the slope set up can prevent that the rainwater from entering into inside the switch board from bleeder vent 20.
Further, the side of top cap 6 is equipped with mounting groove 21, installs temperature and humidity controller 22 in the mounting groove 21, and temperature and humidity controller 22 is including installing the temperature sensor on lifter plate 10 and installing the humidity transducer on the top cap, and temperature and humidity controller 22 makes baffle 19 stretch out the cover body 2 or retract cover body 2 from the opening part according to the temperature information that temperature sensor provided and humidity information control motor 13 that humidity sensor provided start, and the switch is established in mounting groove 21, and on-off control motor 13 starts and makes installing support 3 stretch out the cover body 2 or retract cover body 2 from opening 5 department, mounting groove 21 department is covered with slot cover 22, and one side of slot cover 22 articulates on top cap 6, and the opposite side passes through tool to lock 23 and connects top cap 6.
Further, a fan 24 is arranged in the cover body 2, a fan mounting groove for mounting the fan 24 is formed in the base 1, the fan 24 is mounted in the fan mounting groove, and the temperature and humidity controller 22 controls the fan 24 to rotate. When the temperature in the power distribution cabinet exceeds a set threshold value, the temperature and humidity controller 22 controls the motor 13 to rotate, so that the baffle plate 19 is exposed out of the ground 4, the fan 24 rotates, and heat dissipation is performed through the air holes 20. When the temperature in the power distribution cabinet is lower than a set threshold value or the humidity sensor senses that the outside is rainy, the temperature and humidity controller 22 controls the motor 13 to rotate, so that the baffle 19 retracts into the cover body 2.
Furthermore, the lower surface of the top cover 6 is provided with a slot 25 for inserting the part of the upper end of the cover body 2 exposed out of the ground, and a waterproof sealing strip is arranged in the slot 25.
It should be noted that the technical features of the temperature and humidity controller, the humidity sensor, the temperature sensor, the motor 13, the lead screw 14, the fan 24, the electrical components of the power distribution cabinet, and the like, which are referred to in the present patent application, should be regarded as the prior art, and the specific structure, the operation principle, the control mode and the spatial arrangement mode of the technical features may be conventional choices in the field, and should not be regarded as the invention point of the present patent, and the present patent is not further specifically described in detail.
Having described preferred embodiments of the present invention in detail, it is to be understood that modifications and variations may be resorted to without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. The utility model provides a hidden switch board, its characterized in that, is including ground part and underground part, the underground part is including the base, install the cover body on the base, be located the inside installing support of the cover body, drive the elevating gear that the installing support stretches out or the cover body of withdrawal, the lower extreme of the cover body is fixed on the base, and the upper end of the cover body exposes ground and has the opening that supplies the installing support to stretch out, and the installing support is used for installing electrical component, ground part is including fixing the top cap on the installing support, and the top cap covers the opening when the installing support withdrawal covers the body inside, is equipped with the switch that control elevating gear goes up and down on the top cap, is equipped with the inside inlet wire and the outlet of the intercommunication cover body on the.
2. The hidden power distribution cabinet as claimed in claim 1, wherein the mounting bracket includes a lifting plate, a plurality of support pillars are fixedly connected to the lifting plate, a top cover is fixedly connected to upper ends of the support pillars, a vertically disposed electrical mounting plate is fixed to the lifting plate, a wire inlet hole and a wire outlet hole are formed in the lifting plate, the wire inlet hole corresponds to the wire inlet, and the wire outlet hole corresponds to the wire outlet.
3. The hidden power distribution cabinet according to claim 2, wherein the elevating device comprises a motor and a screw rod, the motor and the screw rod are both installed inside the cover body, the motor drives the screw rod to rotate, a screw rod pair matched with the screw rod is installed on the screw rod, and the screw rod pair is fixedly connected with the elevating plate.
4. The concealed power distribution cabinet according to claim 3, wherein the number of the screw rods is two, the screw rod pairs on the two screw rods are fixedly connected to the lifting plate respectively, the two screw rod pairs are arranged oppositely, and the motor drives the two screw rods to rotate simultaneously through the synchronous belt.
5. The concealed power distribution cabinet according to claim 4, wherein a plurality of guide rods are installed inside the cover body, and guide holes for the guide rods to movably pass through are formed in the lifting plate.
6. The concealed power distribution cabinet according to claim 5, wherein a baffle is disposed between adjacent support columns, two sides of the baffle are respectively and fixedly connected to the upper ends of the support columns, and the baffle is provided with a plurality of air holes.
7. The hidden power distribution cabinet of claim 6, wherein the air holes are arranged obliquely, the highest ends of the air holes are communicated with the inner side of the mounting bracket, and the lowest ends of the air holes are communicated with the outer side of the mounting bracket.
8. The hidden power distribution cabinet according to claim 7, wherein a mounting groove is formed in a side surface of the top cover, a temperature and humidity controller is installed in the mounting groove, the temperature and humidity controller includes a temperature sensor installed on the lifting plate and a humidity sensor installed on the top cover, the temperature and humidity controller controls the motor to be started according to temperature information provided by the temperature sensor and humidity information provided by the humidity sensor, so that the baffle extends out of the cover body or retracts into the cover body from the opening, the switch is installed in the mounting groove, the switch controls the motor to be started, so that the mounting bracket extends out of the cover body or retracts into the cover body from the opening, a slot cover covers the mounting groove, one side of the slot cover is hinged to the top cover, and.
9. The concealed power distribution cabinet according to claim 8, wherein the cover is internally provided with a fan, the base is provided with a fan mounting groove for mounting the fan, the fan is mounted in the fan mounting groove, and the temperature and humidity controller controls the fan to rotate.
10. The concealed power distribution cabinet according to claim 9, wherein the lower surface of the top cover is provided with a slot for inserting the part of the upper end of the cover body exposed out of the ground, and a waterproof sealing strip is arranged in the slot.
CN202010434682.2A 2020-05-21 2020-05-21 Hidden switch board Pending CN111600228A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010434682.2A CN111600228A (en) 2020-05-21 2020-05-21 Hidden switch board

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010434682.2A CN111600228A (en) 2020-05-21 2020-05-21 Hidden switch board

Publications (1)

Publication Number Publication Date
CN111600228A true CN111600228A (en) 2020-08-28

Family

ID=72187615

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010434682.2A Pending CN111600228A (en) 2020-05-21 2020-05-21 Hidden switch board

Country Status (1)

Country Link
CN (1) CN111600228A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112863345A (en) * 2021-01-13 2021-05-28 山西卓安物资贸易有限公司 Construction site safety work demonstration equipment based on VR technique
CN113097885A (en) * 2020-12-14 2021-07-09 安徽建筑大学 Fixed mounting mechanism of outdoor power distribution cabinet

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113097885A (en) * 2020-12-14 2021-07-09 安徽建筑大学 Fixed mounting mechanism of outdoor power distribution cabinet
CN113097885B (en) * 2020-12-14 2022-06-07 安徽建筑大学 Fixed mounting mechanism of outdoor power distribution cabinet
CN112863345A (en) * 2021-01-13 2021-05-28 山西卓安物资贸易有限公司 Construction site safety work demonstration equipment based on VR technique

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