CN214852519U - Cabinet and waterproof ventilation structure - Google Patents

Cabinet and waterproof ventilation structure Download PDF

Info

Publication number
CN214852519U
CN214852519U CN202121394147.5U CN202121394147U CN214852519U CN 214852519 U CN214852519 U CN 214852519U CN 202121394147 U CN202121394147 U CN 202121394147U CN 214852519 U CN214852519 U CN 214852519U
Authority
CN
China
Prior art keywords
waterproof
ventilation
fan
partition
cabinet door
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
CN202121394147.5U
Other languages
Chinese (zh)
Inventor
吴霄
刘明星
李华桥
代俊安
李发强
陈伟
龚卫芳
秦官学
杨有维
严浩
陈智
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.)
Nuclear Power Institute of China
Original Assignee
Nuclear Power Institute of China
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 Nuclear Power Institute of China filed Critical Nuclear Power Institute of China
Priority to CN202121394147.5U priority Critical patent/CN214852519U/en
Application granted granted Critical
Publication of CN214852519U publication Critical patent/CN214852519U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

The technical problem that the wind channel makes the serious reduction of ventilation efficiency stop up easily for the waterproof filter screen that solves nuclear level instrument control system's rack existence, the embodiment of the utility model provides a rack and waterproof ventilation structure, include: a partition plate and a waterproof flow guide device; the baffle is equipped with the baffle ventilation hole, the baffle ventilation hole is connected with waterproof guiding device or blind plate through shielding silk screen. Comprises a cabinet door and a waterproof and ventilating structure; the partition board of the waterproof ventilation structure is connected with the cabinet door to form a separate cavity structure. The embodiment of the utility model improves the heat dissipation efficiency by using the baffle plate, the shielding silk screen, the waterproof flow guiding device and the blind plate; meanwhile, the modular splicing is adopted, and flexible configuration can be realized according to requirements.

Description

Cabinet and waterproof ventilation structure
Technical Field
The utility model relates to a rack and waterproof ventilation structure.
Background
For the rack of nuclear level instrument control system, because service environment's particularity, the rack will satisfy waterproof dustproof requirement and the EMC electromagnetic compatibility requirement of certain grade, and traditional fan filter can satisfy the requirement of certain protection grade, but waterproof filter screen air volume is very little, needs the periodic replacement, can block up the wind channel after being soaked, makes ventilation efficiency seriously reduce.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a waterproof ventilation structure is provided to rack and waterproof filter screen for solving the rack existence of nuclear level instrument control system and blockking up the technical problem that the wind channel made ventilation efficiency seriously reduce easily.
The embodiment of the utility model provides a realize through following technical scheme:
in a first aspect, an embodiment of the present invention provides a waterproof ventilation structure, including: a partition plate and a waterproof flow guide device;
the baffle is equipped with the baffle ventilation hole, the baffle ventilation hole is connected with waterproof guiding device or blind plate through shielding silk screen.
Optionally, the partition plate is provided with a plurality of partition plate vent holes; each partition plate ventilation hole is provided with a shielding wire mesh and is used for being connected with a blind plate or a waterproof flow guide device.
Optionally, the waterproof diversion device is provided with a first vent and a second vent; the first ventilation opening and the second ventilation opening are connected through an inclined channel, and a drain hole is formed in the inclined channel.
Optionally, the waterproof diversion device comprises a vertical plate and an inclined groove; the vertical plate is provided with a first ventilation opening, the inclined groove is provided with a second ventilation opening, the first ventilation opening is communicated with the second ventilation opening through an inclined structure of the inclined groove, and a drain hole is formed in an inclined surface of the inclined structure.
Optionally, the second ventilation opening is connected with a fan device; the fan device includes: the axial flow fan is detachably connected with the fan mounting rack; the fan mounting rack is detachably connected with the second ventilation opening; when the axial flow fan is positively arranged on the fan mounting frame, wind enters the second ventilation opening from the outside through the axial flow fan; when the axial flow fan is reversely installed on the fan installation frame, the wind blows to the outside through the axial flow fan from the second ventilation opening.
Optionally, the partition plate is further provided with a sealing ring; each partition plate vent hole is connected with a shielding wire mesh, a waterproof flow guide device or a blind plate through a mounting stud; the baffle is connected with the blind plate or the waterproof flow guide device through the sealing ring.
Optionally, the shielding wire mesh comprises a frame and a wire mesh, and the frame is connected with the wire mesh; the vertical plate is a sheet metal part; the sheet metal part, the frame, the partition board and the shielding wire mesh are electrically connected.
Optionally, the waterproof ventilation structure fan device, the waterproof flow guide device and the blind plate are modular splicing parts.
In a second aspect, an embodiment of the present invention provides a cabinet, including a cabinet door and the waterproof and ventilating structure; the partition board of the waterproof ventilation structure is connected with the cabinet door to form a separate cavity structure.
Optionally, the shielding wire mesh is electrically connected with the cabinet door; the cabinet door is provided with a plurality of ventilation holes distributed in a rectangular array; the height of the setting area of the vent hole of the cabinet door is slightly lower than that of the cabinet door.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
the cabinet and the waterproof ventilation structure of the utility model improve the heat dissipation efficiency by using the partition plate, the shielding wire mesh, the waterproof flow guide device and the blind plate; meanwhile, the modular splicing is adopted, and flexible configuration can be realized according to requirements.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is an overall schematic view of a waterproof and ventilating structure.
Fig. 2 is an exploded view of the waterproof and venting structure.
Fig. 3 is a schematic view of a cabinet door of the cabinet.
Fig. 4 is a schematic structural view of the separator.
Fig. 5 is a schematic view of a shielding screen.
Fig. 6 is a schematic structural diagram of the fan device.
Fig. 7 is a schematic structural view of the waterproof flow-guiding device.
Fig. 8 is a schematic view of the waterproof principle of the waterproof deflector.
Fig. 9 is a schematic structural diagram of a blind plate.
Fig. 10 is a schematic view of the outward air-out principle of the waterproof deflector with fan device.
Fig. 11 is a schematic view of the inward air suction principle of the waterproof deflector equipped with the fan unit.
Reference numbers and corresponding part names in the drawings:
1-cabinet door, 101-door panel, 102-cabinet door vent hole, 2-partition plate, 201-partition plate frame, 202-first sealing ring, 203-partition plate vent hole, 204-mounting stud, 3-shielding wire net, 301-frame, 302-wire net, 303-shielding wire net mounting hole, 304-second sealing ring, 4-fan device, 401-fan mounting frame, 402-axial fan, 403-air outlet, 404-fan mounting hole, 405-mounting frame fixing hole, 5-waterproof flow guide device, 501-sheet metal part, 502-side vent hole, 503-top vent hole, 504-waterproof flow guide device mounting hole, 505-intake air flow direction, 506-first outlet gas flow direction, 507-first liquid flow direction; 6-blind plate, 601-blind plate mounting hole, 7-second outlet gas flow direction, 8-second liquid flow direction, 9-second inlet gas flow direction, and 10-third liquid flow direction.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
Example 1
The technical problem that the wind channel makes the serious reduction of ventilation efficiency stop up easily for the waterproof filter screen that solves the rack existence of nuclear level instrument control system, the embodiment of the utility model provides a waterproof ventilation structure, include: a partition plate and a waterproof flow guide device; the baffle is equipped with the baffle ventilation hole, the baffle ventilation hole is connected with waterproof guiding device or blind plate through shielding silk screen.
Referring to fig. 1 to 11, the waterproof and ventilating structure includes a partition 2 and a waterproof deflector; the partition board 2 is provided with a partition board vent hole 203 which is connected with a waterproof flow guiding device or a blind plate 6 through a shielding wire mesh.
Optionally, the partition plate is further provided with a sealing ring; each partition plate vent hole is connected with a shielding wire mesh, a waterproof flow guide device or a blind plate through a mounting stud; the baffle is connected with the blind plate or the waterproof flow guide device through the sealing ring.
Referring to fig. 4, the separator 2 includes a separator frame 201; be equipped with first sealing washer 202 on the partition frame 201, be equipped with baffle ventilation hole 203 on the partition frame 201, the baffle ventilation hole passes through the cabinet door connection of installation double-screw bolt 204 with the rack.
Optionally, the shielding wire mesh comprises a frame and a wire mesh, and the frame is connected with the wire mesh; the vertical plate is a sheet metal part; the sheet metal part, the frame, the partition board and the shielding wire mesh are electrically connected.
Referring to fig. 5, the shielding wire mesh includes a frame 301 and a wire mesh 302, the wire mesh is disposed in the frame, and the vertical plate is a sheet metal part 501; the sheet metal part 501, the partition plate 2 and the shielding wire mesh are electrically connected.
In order to meet the EMC electromagnetic compatibility requirement, the sheet metal part 501, the partition plate 2 and the shielding silk screen are designed to be electrically continuous, and the function of electric continuity among all the parts is realized.
Specifically, the shielding wire mesh 3 is shown in fig. 5 and includes a frame 301, a shielding wire mesh 302 and a second sealing ring 304, wherein the shielding wire mesh mounting hole 303 on the frame 301 is used for limiting the shielding wire mesh; the waterproof flow guide device 5 compresses and fixes the shielding wire mesh 3 under the action of the nut, compresses the second sealing ring 304 and the first sealing ring 202, prevents water from flowing into the cabinet, and achieves the waterproof purpose. The frame 301 can also be reliably electrically connected with the partition 201 and the sheet metal part 501, and the shielding wire mesh 302 is matched to realize an EMC electromagnetic shielding function, and meanwhile, the shielding wire mesh 302 can maximally meet the protection grade requirement of IP 50.
Therefore, the waterproof ventilation structure overcomes the problem that the existing waterproof filter screen is easy to block an air channel to reduce the ventilation efficiency through the connection of the shielding wire mesh and the waterproof flow guide device, and can be connected with the blind plate through the shielding wire mesh through the partition plate ventilation hole, so that the blind plate can be used for blocking the partition plate ventilation hole when the ventilation efficiency is higher than expected, and the purposes of energy conservation and noise reduction are achieved.
The blind plate 6 is of a sheet metal part opening structure, the blind plate mounting hole 601 is a through hole, the blind plate 6 is fixed on the partition plate 2 in a threaded connection mode by matching with the mounting stud 204 of the partition plate 2, and the sealing ring 202 is compressed to achieve the purpose of sealing. When the usage amount of the waterproof flow guide device and the fan device 4 is less, the blind plate 6 can be directly installed on the partition plate 2 to block the redundant partition plate ventilation holes 203, so that the air channel is reasonably planned, the ventilation efficiency is improved, and energy conservation and noise reduction are realized.
Optionally, the periphery of the waterproof deflector 5 is provided with waterproof deflector mounting holes 504, which are designed as through holes, and the waterproof deflector 5 is fixed on the partition board 2 under the action of the nuts and the mounting studs 204, and the shielding wire mesh 3 can be pressed and fixed at the same time.
Optionally, the partition plate is provided with a plurality of partition plate vent holes; each partition plate ventilation hole is provided with a shielding wire mesh and is used for being connected with a blind plate or a waterproof flow guide device.
Referring to fig. 4, a plurality of partition vents 203 are formed on the partition, each partition vent is provided with a shielding wire mesh 3, and each partition can be connected with one of a blind plate and a waterproof flow guide device. Thus, the use or non-use of a particular baffle vent may be selected based on the circumstances. Furthermore, at least one partition board is connected with the waterproof flow guide device.
In order to better realize the diversion and waterproof functions of the waterproof diversion device, optionally, the waterproof diversion device is provided with a first ventilation opening and a second ventilation opening; the first ventilation opening and the second ventilation opening are connected through an inclined channel, and a drain hole is formed in the inclined channel.
Specifically, the waterproof flow guide device comprises a vertical plate and an inclined groove; the vertical plate is provided with a first ventilation opening, the inclined groove is provided with a second ventilation opening, the first ventilation opening is communicated with the second ventilation opening through an inclined structure of the inclined groove, and a drain hole is formed in an inclined surface of the inclined structure.
Referring to fig. 7, the vertical plate is a sheet metal part 501, and the inclined groove has a triangular cross section; the vertical plate is provided with a first ventilation opening, namely a side ventilation opening 502, the inclined groove is provided with a second ventilation opening, namely a top ventilation opening 503, and the center line of the side ventilation opening 502 and the center line of the top ventilation opening 503 are not on the same straight line. The side vents 502 communicate with the top vents 503 through the slopes of the sloping structure of the sloping grooves.
In order to meet the waterproof requirement, the inclined plate of the inclined groove adopts the structural design of an opening, when the cabinet inclines for 60 degrees, liquid intruding into the waterproof flow guide device is guided to the outside of the cabinet under the action of gravity, and the requirement of IP03 protection grade is met.
During the use, make the sheet metal component 501 and the contained angle of vertical direction of inclined groove keep being 60, side vent 502 and top vent 503 are not in the coplanar, through the structural design of slope, when the rack slope 60, can be outside the liquid water conservancy diversion that falls vertically under the action of gravity to the rack, and gas does not receive its structural influence, can freely pass in and out to realize the reposition of redundant personnel of liquid and gas, satisfy IP 03's protection level requirement. When the inside of the cabinet is negative pressure, air flows into the cabinet and sucks in cold air; when the pressure in the cabinet is positive, the air flows outwards to exhaust the hot air.
Referring to fig. 8, air may enter the partition plate according to the inlet gas flow direction 505, or may flow out of the partition plate according to the first outlet gas flow direction 506, at this time, the water flow inside the waterproof guiding device flows into the inclined plane of the inclined groove inclined structure along the first liquid flow direction 507, and then is discharged along the drainage hole on the inclined plane, thereby playing a role of waterproofing.
When the heat dissipation requirement of the cabinet is large, the fan device 4 can be installed on the waterproof flow guide device 5, and the heat dissipation mode of the cabinet is changed from natural convection heat dissipation to forced air cooling heat dissipation. Optionally, the second ventilation opening is connected with a fan device; the fan device includes: the axial flow fan is detachably connected with the fan mounting rack; the fan mounting frame is detachably connected with the second ventilation opening.
The fan device 4 includes a fan mount 401, an axial flow fan 402, an air outlet 403, a fan mount hole 404, and a mount fixing hole 405 as shown in fig. 6; the fan mount 401 has an air outlet 403, a fan mounting hole 404, and a mount fixing hole 405. The air outlet 403 facilitates ventilation of the fan; the fan mounting holes 404 function to fix the axial flow fan 402 to the fan mounting bracket 401; the mounting bracket fixing hole 405 is used for mounting the fan unit, and the fan unit 4 is mounted on the waterproof deflector 5.
When the axial flow fan is positively arranged on the fan mounting frame, wind enters the second ventilation opening from the outside through the axial flow fan; when the axial flow fan is reversely installed on the fan installation frame, the wind blows to the outside through the axial flow fan from the second ventilation opening.
Because the fan is detachable and modularized, and the fan device 4 can be installed on each waterproof flow guide device 5, the number of the fan devices 4 can be selected according to the heat dissipation requirement, and the configuration is flexible. Because the installation direction of the axial fan 402 is changeable, the forced air cooling heat dissipation has two modes of inward blowing and inward air suction, the waterproof principle when the air is blown outward is shown in fig. 10, and the waterproof principle when the air is sucked inward is shown in fig. 11.
Specifically, when the axial flow fan is mounted positively on the fan mount, reference is made to FIG. 11. The water backflow prevention device 5 is inclined by 60 degrees, under the action of the axial flow fan, external air enters the cabinet along the second air inlet flow direction 9, and at the moment, liquid in the cabinet flows to the water discharge hole on the inclined plane of the inclined groove according to the third liquid flow direction 10 until the liquid flows out of the inclined groove.
When the axial flow fan is reversely mounted on the fan mount, refer to fig. 10. The water backflow prevention device 5 is inclined by 60 degrees, air in the cabinet is discharged to the outside along the second gas outlet flow direction 7 under the action of the axial flow fan, and at the moment, the liquid in the cabinet flows to the water discharge hole on the inclined plane of the inclined groove according to the second liquid flow direction 8 until the liquid flows out of the inclined groove.
Optionally, the waterproof ventilation structure fan device, the waterproof flow guide device and the blind plate are modular splicing parts.
Based on the flexible collocation of the modular concept fan device 4, the waterproof flow guide device 5 and the blind plate 6, various protection grades and various air channel plans can be realized.
Only the shielding wire mesh 3 is arranged on the partition board 2, and at the moment, the cabinet is subjected to natural convection heat dissipation of IP50 protection grade;
a shielding wire mesh 3 and a waterproof flow guide device 5 are arranged on the partition board 2, and at the moment, the cabinet is subjected to natural convection heat dissipation of IP53 protection grade;
a fan device 4 is arranged on the waterproof flow guide device 5, and the cabinet is subjected to forced air cooling heat dissipation of IP53 protection level;
when the heat dissipation demand is not large, based on the modularized design concept, a certain number of waterproof flow guide devices 5 and fan devices 4 can be cancelled on the partition plate 2, and the blind plates 6 are installed at corresponding positions, so that the purposes of energy conservation, noise reduction and the like are achieved.
Example 2
On the basis of the embodiment 1, the embodiment of the utility model provides a cabinet, which comprises a cabinet door and the waterproof and ventilating structure; the partition board of the waterproof ventilation structure is connected with the cabinet door to form a separate cavity structure.
Referring to fig. 1-11, the partitions can increase the structural strength of the cabinet door and form a compartment structure for guiding the buffer airflow; the mounting interface can be provided for the waterproof flow guide device and the blind plate; the waterproof flow guide device compresses the shielding wire mesh on the partition plate, so that the dustproof requirement and the EMC electromagnetic compatibility requirement of a certain grade are met.
Referring to fig. 1 to 11, the cabinet of the embodiment of the present invention includes a cabinet door 1 and a waterproof and ventilating structure; the partition board 2 of the waterproof ventilation structure is connected with the cabinet door 1 in a full-welding mode; the partition board 2 is provided with an installation stud for installing a waterproof flow guide device 5 or a blind plate 6, and the shielding wire mesh 3 is fixed between the waterproof flow guide device 5 and the partition board 2 in an extrusion mode; the mounting stud between the partition board 2 and the waterproof diversion device 5 limits the shielding wire mesh 3; meanwhile, the waterproof flow guide device 5 is provided with an installation interface of the fan device 4, and the fan device 4 can be installed according to requirements.
Cabinet door 1 refers to fig. 3 and shows, and cabinet door 1 includes door plant 101, has arranged cabinet door ventilation hole 102 on door plant 101, and for realizing good ventilation effect, cabinet door ventilation hole 102 distribution face height is close with door plant 101's height.
Therefore, the cabinet of the embodiment overcomes the problem that the existing waterproof filter screen is easy to block the air channel to reduce the ventilation efficiency through the connection of the shielding wire mesh of the waterproof ventilation structure and the waterproof flow guide device, and can be connected with the blind plate through the shielding wire mesh through the partition ventilation hole, so that the blind plate can be used for blocking the partition ventilation hole when the ventilation efficiency is higher than expected, and the purposes of energy conservation and noise reduction are achieved.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (10)

1. A waterproof and ventilated structure, comprising: a partition plate and a waterproof flow guide device;
the baffle is equipped with the baffle ventilation hole, the baffle ventilation hole is connected with waterproof guiding device or blind plate through shielding silk screen.
2. The waterproof vent structure of claim 1, wherein said partition is provided with a plurality of partition vents; each partition plate ventilation hole is provided with a shielding wire mesh and is used for being connected with a blind plate or a waterproof flow guide device.
3. The waterproof ventilating structure as described in claim 1 or 2, wherein said waterproof deflector is provided with a first ventilating opening and a second ventilating opening; the first ventilation opening and the second ventilation opening are connected through an inclined channel, and a drain hole is formed in the inclined channel.
4. The waterproof and ventilated structure according to claim 3, wherein the waterproof and ventilated means comprises a vertical plate and an inclined groove; the vertical plate is provided with a first ventilation opening, the inclined groove is provided with a second ventilation opening, the first ventilation opening is communicated with the second ventilation opening through an inclined structure of the inclined groove, and a drain hole is formed in an inclined surface of the inclined structure.
5. The waterproof ventilating structure as described in claim 4, wherein said second ventilating opening is connected to a fan unit; the fan device includes: the axial flow fan is detachably connected with the fan mounting rack; the fan mounting rack is detachably connected with the second ventilation opening; when the axial flow fan is positively arranged on the fan mounting frame, wind enters the second ventilation opening from the outside through the axial flow fan; when the axial flow fan is reversely installed on the fan installation frame, the wind blows to the outside through the axial flow fan from the second ventilation opening.
6. The waterproof and ventilated structure according to claim 2, wherein the partition is further provided with a sealing ring; each partition plate vent hole is connected with a shielding wire mesh, a waterproof flow guide device or a blind plate through a mounting stud; the baffle is connected with the blind plate or the waterproof flow guide device through the sealing ring.
7. The waterproof ventilating structure of claim 4 or 5, wherein the shielding wire net comprises a frame and a wire net, the frame being connected to the wire net; the vertical plate is a sheet metal part; the sheet metal part, the frame, the partition board and the shielding wire mesh are electrically connected.
8. The waterproof ventilation structure according to claim 4 or 5, wherein the fan unit, the waterproof deflector and the blind are modular splicing members.
9. A cabinet comprising a cabinet door and the waterproof and ventilating structure according to any one of claims 1 to 7; the partition board of the waterproof ventilation structure is connected with the cabinet door to form a separate cavity structure.
10. The cabinet of claim 9, wherein the shielding mesh is electrically connected to the cabinet door; the cabinet door is provided with a plurality of ventilation holes distributed in a rectangular array; the height of the setting area of the vent hole of the cabinet door is slightly lower than that of the cabinet door.
CN202121394147.5U 2021-06-22 2021-06-22 Cabinet and waterproof ventilation structure Active CN214852519U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121394147.5U CN214852519U (en) 2021-06-22 2021-06-22 Cabinet and waterproof ventilation structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121394147.5U CN214852519U (en) 2021-06-22 2021-06-22 Cabinet and waterproof ventilation structure

Publications (1)

Publication Number Publication Date
CN214852519U true CN214852519U (en) 2021-11-23

Family

ID=78809165

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121394147.5U Active CN214852519U (en) 2021-06-22 2021-06-22 Cabinet and waterproof ventilation structure

Country Status (1)

Country Link
CN (1) CN214852519U (en)

Similar Documents

Publication Publication Date Title
US8663354B2 (en) Air filter
CN214852519U (en) Cabinet and waterproof ventilation structure
CN210379796U (en) Outdoor waterproof electric control cabinet with high-efficiency heat dissipation
CN215299015U (en) Transformer heat abstractor
CN112968376B (en) Electric power cabinet with heat dissipation function
CN200973206Y (en) Water-froof device for outdoor cabinet
CN209550947U (en) Welding machine case
CN207427678U (en) A kind of dust-proof cabinet
CN221103906U (en) Air-cooled heat dissipation system and charging equipment with same
CN220798846U (en) Outdoor air cooling equipment air intake waterproof construction
CN217642226U (en) Waterproof dustproof shutter structure
CN205355605U (en) Ventilation cooling structure of container of integrated electrical equipment cabinet
CN221176963U (en) Outdoor low-voltage power distribution cabinet
CN221282687U (en) Heat dissipation system of charging stack
CN211605845U (en) Dustproof power distribution cabinet for construction site
CN212809093U (en) Heat dissipation type server machine case
CN213093647U (en) Low-voltage draw-out type complete switch cabinet
CN219477418U (en) Heat radiation structure of high-voltage power distribution cabinet
CN218387759U (en) Multimedia distribution case convenient to drainage
CN219960213U (en) Platform district fuses terminal with dustproof heat dissipation function
CN217656904U (en) Novel outdoor lamp box
CN212376552U (en) Drainage structure of outdoor cabinet shutter
CN210005753U (en) optical fiber exchange box for communication engineering
CN215222870U (en) Integrated cabinet
CN221010576U (en) Outdoor cabinet and charging pile

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant