CN115064955B - High-low voltage switch cabinet with waterproof and dustproof functions - Google Patents
High-low voltage switch cabinet with waterproof and dustproof functions Download PDFInfo
- Publication number
- CN115064955B CN115064955B CN202210789985.5A CN202210789985A CN115064955B CN 115064955 B CN115064955 B CN 115064955B CN 202210789985 A CN202210789985 A CN 202210789985A CN 115064955 B CN115064955 B CN 115064955B
- Authority
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- China
- Prior art keywords
- driven
- cabinet
- cabinet body
- waterproof
- low voltage
- Prior art date
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Links
- 238000009423 ventilation Methods 0.000 claims abstract description 15
- 244000309464 bull Species 0.000 claims description 13
- 239000000428 dust Substances 0.000 claims description 10
- 238000004140 cleaning Methods 0.000 claims description 9
- 238000007790 scraping Methods 0.000 claims description 7
- 238000010408 sweeping Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims 1
- 230000017525 heat dissipation Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000000739 chaotic effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
-
- 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
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Patch Boards (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention belongs to the field of switch cabinets, in particular to a high-low voltage switch cabinet with waterproof and dustproof functions, which aims at the problem that the existing ventilation net and filter screen are easy to be blocked and heat dissipation is affected.
Description
Technical Field
The invention relates to the technical field of switch cabinets, in particular to a high-low voltage switch cabinet with waterproof and dustproof functions.
Background
The high-low voltage switch cabinet is the equipment for connecting high-voltage or low-voltage cables, the high-voltage cabinet is used for power supply offices and power substations, then the voltage is reduced by a transformer and then the low-voltage cabinet is connected to each power distribution box, and the protection devices such as switch breakers and the like are not assembled into integrated electrical equipment.
The application publication number CN113224664A discloses a high-low voltage switch cabinet with waterproof and dustproof functions, which comprises a high-low voltage switch cabinet box and a wire harness mechanism; the high-low voltage switch cabinet is characterized in that the air dispersing mechanism matched with the high-low voltage switch cabinet is arranged above the outer wall of the high-low voltage switch cabinet, the fixing block matched with the high-low voltage switch cabinet is fixedly arranged on one side of the inner wall of the high-low voltage switch cabinet, the positioning frame matched with the first threaded rod is arranged on the outer wall of the first threaded rod, the waterproof box matched with the positioning frame is fixedly arranged on the outer wall of the positioning frame, the high-low voltage switch cabinet with the waterproof and dustproof functions is correspondingly penetrated out through the threading mechanism, so that the thread end generated inside the waterproof box can be well penetrated out, meanwhile, the relative tightness of the waterproof box is well guaranteed, the switch cabinet can be waterproof and dustproof after being used for a long time, particularly in a region with poor environment, a ventilation net and a filter screen are easy to be blocked, the heat dissipation effect is poor, and even heat dissipation cannot be achieved is avoided.
Disclosure of Invention
The invention aims to solve the defects that a ventilation net and a filter screen are easy to be blocked and heat dissipation is affected in the prior art, and provides a high-low voltage switch cabinet with waterproof and dustproof functions.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a high-low voltage switchgear with waterproof dustproof function, includes the cabinet body, be provided with the apron on the cabinet body, internal waterproof case and the fan of being provided with of cabinet, the top of fan is provided with the ventilation net, be provided with the motor in the apron, be provided with cleaning mechanism in the apron, cleaning mechanism includes the bull stick, the output shaft fixed connection of bull stick and motor, fixed mounting has sector gear on the bull stick, slidable mounting has the tooth frame on the apron, tooth frame and sector gear mesh, fixed mounting has two brushes on the tooth frame, the internal pipe that draws in that is provided with of cabinet, be provided with the filter screen in the pipe that draws in, the internal sweep of being provided with of cabinet scrapes the mechanism, sweep and scrape the mechanism and include first band pulley, first band pulley and bull stick fixed connection, rotate on the cabinet body and install the dwang, fixed mounting has the second band pulley on the dwang, the same belt is installed to the transmission on the dwang, fixed mounting has the circular shaft on the disc, slidable mounting has the grooved plate on the circular shaft on the disc, slidable mounting has the grooved plate and the L-shaped connection board on the L-shaped scraper blade.
Preferably, the folding pipe is rotatably provided with two baffles, the two baffles are fixedly connected with tension springs, one ends of the two tension springs are fixedly connected with the folding pipe, and an ash collecting groove is formed in the cabinet body.
Preferably, the bottom of the cabinet body is provided with an air outlet, the air outlet is communicated with the folding pipe, two cabinet doors are arranged on the cabinet body and are matched with each other, a door lock is arranged on the two cabinet doors, and sealing gaskets are arranged on the inner sides of the two cabinet doors.
Preferably, a sliding rail is arranged on the cover plate and is in sliding connection with the gear frame.
Preferably, a second bearing is arranged on the cabinet body, and an inner ring of the second bearing is fixedly connected with the rotary rod.
Preferably, the cabinet body is internally provided with a groove rail which is in sliding connection with the groove plate.
Preferably, be provided with first bearing on the apron, the inner circle and the bull stick fixed connection of first bearing, one side of waterproof case is provided with threading mechanism, and threading mechanism can prevent that water from getting into waterproof case when the cable wears out, and one side of waterproof case is provided with cable mechanism, and cable mechanism can arrange the cable in order, avoids the cable to cross in chaotic, influences subsequent maintenance, and orderly winding displacement also makes things convenient for the installation of cable, avoids the cable chaotic, leads to the installation error.
In the invention, the high-low voltage switch cabinet with the waterproof and dustproof functions has the beneficial effects that: the setting of fan can blow the cubical switchboard, for the cubical switchboard cooling, can drive the intraductal drawing in of the entering below of a small amount of dust in the cubical switchboard simultaneously, the convenience is to the dust clearance of a small amount of entering in the cubical switchboard, the cooperation setting of bull stick, sector gear and tooth frame in the mechanism of cleaning can drive two brushes and make a round trip to slide, can clean the ventilation net, avoid the ventilation net to block up, influence ventilation and heat dissipation, the cooperation setting of dwang in the mechanism of sweeping, the disc, the circle axle, frid and L shape connecting plate can drive scraper blade round trip movement, sweep the dust on the filter screen in the receipts ash chute of both sides, avoid the filter screen to block up, improve the radiating effect.
The invention can clean the ventilation net and the filter screen, avoid the blockage of the ventilation net and the filter screen, improve the heat dissipation effect, and has simple use and convenient operation.
Drawings
Fig. 1 is a schematic perspective view of a high-low voltage switch cabinet with waterproof and dustproof functions according to the present invention;
fig. 2 is a schematic diagram of a cross-sectional structure of a high-low voltage switch cabinet with waterproof and dustproof functions according to the present invention;
fig. 3 is a schematic diagram of a left-hand structure of a portion of fig. 2 of a high-low voltage switch cabinet with waterproof and dustproof functions according to the present invention;
fig. 4 is a schematic diagram of a connection structure of a sector gear, a tooth frame and a brush of a high-low voltage switch cabinet with waterproof and dustproof functions;
fig. 5 is a schematic structural diagram of a sweeping mechanism of a high-low voltage switch cabinet with waterproof and dustproof functions;
fig. 6 is an enlarged schematic structural diagram of a portion a in fig. 2 of a high-low voltage switch cabinet with waterproof and dustproof functions according to the present invention.
In the figure: 1 cabinet body, 2 apron, 3 waterproof case, 4 fans, 5 ventilation net, 6 motors, 7 bull sticks, 8 sector gear, 9 tooth frames, 10 brushes, 11 draw-in pipe, 12 filter screens, 13 first pulleys, 14 second pulleys, 15 belts, 16 revolving poles, 17 discs, 18 round shafts, 19 grooved plates, 20L-shaped connecting plates, 21 scraping plates, 22 baffle plates, 23 tension springs, 24 ash collecting grooves.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Example 1
Referring to fig. 1-4, a high-low voltage switch cabinet with waterproof and dustproof functions comprises a cabinet body 1, wherein a cover plate 2 is arranged on the cabinet body 1, a waterproof box 3 and a fan 4 are arranged in the cabinet body 1, a ventilation net 5 is arranged above the fan 4, a motor 6 is arranged in the cover plate 2, a cleaning mechanism is arranged in the cover plate 2 and comprises a rotating rod 7, the rotating rod 7 is fixedly connected with an output shaft of the motor 6, a sector gear 8 is fixedly arranged on the rotating rod 7, a toothed frame 9 is slidably arranged on the cover plate 2 and meshed with the sector gear 8, two brushes 10 are fixedly arranged on the toothed frame 9, a collecting pipe 11 is arranged in the cabinet body 1, a filter screen 12 is arranged in the collecting pipe 11, and a cleaning mechanism is arranged in the cabinet body 1.
Referring to fig. 3-6, the sweeping and scraping mechanism comprises a first belt wheel 13, the first belt wheel 13 is fixedly connected with a rotating rod 7, a rotating rod 16 is rotatably installed on the cabinet body 1, a second belt wheel 14 is fixedly installed on the rotating rod 16, the same belt 15 is installed on the first belt wheel 13 and the second belt wheel 14 in a transmission mode, a disc 17 is fixedly installed on the rotating rod 16, a circular shaft 18 is fixedly installed on the disc 17, a groove plate 19 is slidably installed in the cabinet body 1, the circular shaft 18 is slidably connected with the inner wall of the groove plate 19, an L-shaped connecting plate 20 is fixedly installed on the groove plate 19, a scraping plate 21 is fixedly connected on the L-shaped connecting plate 20, and the scraping plate 21 is matched with the filter screen 12.
Referring to fig. 2, two baffles 22 are rotatably installed on the collecting tube 11, tension springs 23 are fixedly connected to the two baffles 22, one ends of the two tension springs 23 are fixedly connected with the collecting tube 11, and an ash collecting groove 24 is formed in the cabinet body 1.
Referring to fig. 2, a slide rail is provided on the cover plate 2, and the slide rail is slidably connected with the gear frame 9, and the slide rail can enable the gear frame 9 to slide at a fixed position.
Referring to fig. 3, a slot rail is provided in the cabinet 1, and is slidably connected to the slot plate 19, and the slot rail enables the slot plate 19 to slide at a fixed position.
Referring to fig. 2, a first bearing is provided on the cover plate 2, an inner ring of the first bearing is fixedly connected with the rotating rod 7, and the first bearing can enable the rotating rod 7 to rotate at a fixed position.
Referring to fig. 3, the cabinet 1 is provided with a second bearing, an inner ring of which is fixedly connected with the rotary rod 16, and the second bearing can rotate the rotary rod 16 at a fixed position.
Referring to fig. 3, an air outlet is provided at the bottom of the cabinet body 1, the air outlet is communicated with the folding pipe 11, two cabinet doors are provided on the cabinet body 1, the two cabinet doors are matched with each other, a door lock is provided on the two cabinet doors, and sealing gaskets are provided on the inner sides of the two cabinet doors.
In this embodiment, after the switch cabinet is used for a period of time, open motor 6, and then drive bull stick 7 and rotate, bull stick 7 rotates, and then drive sector gear 8 and rotate, sector gear 8 rotates, and then drive tooth frame 9 and make a round trip to slide, tooth frame 9 and then drive two brushes 10 and make a round trip to slide, clean ventilation net 5, avoid blockking up, bull stick 7 rotates, and then drive first band pulley 13 and rotate, under the cooperation of belt 15, first band pulley 13 rotates, and then drive second band pulley 14 rotates, and then drive dwang 16 rotates, and then drive disc 17 rotates, and then drive circle axle 18 rotates, and then drive frid 19 and make a round trip to slide, and then drive L shape connecting plate 20 and make a round trip to move, and then drive scraper blade 21 and make a round trip to move, clean filter screen 12, and sweep dust on filter screen 12 into the receipts ash chute 24 of both sides, scraper blade 21 makes a round trip to move, can jack up baffle 22 of both sides, when scraper blade 21 under the elasticity effect of extension spring 23, sweep 22, and then reset baffle 24, conveniently take out ash chute 24 and regularly open and clean up the ash chute.
Example two
The difference between this embodiment and the first embodiment is that: the cover plate 2 is internally provided with a timer, one side of the timer is provided with a controller, the controller is in telecommunication connection with the timer, the controller is in telecommunication connection with the motor 6, the controller and the timer are elements in the prior art, the timer is used for timing according to environmental conditions, how many days can be selected for timing, after the timing time arrives, the timer alarms and sends a signal to the controller, the controller controls the motor 6 to be opened, and then the rotating rod 7 is driven to rotate, and then the sector gear 8 is driven to rotate, and then the toothed frame 9 slides back and forth, and then the two brushes 10 slide back and forth, the cleaning ventilation net 5 is avoided, the rotating rod 7 is driven to rotate, and then the first belt pulley 13 is driven to rotate, the second belt pulley 14 is driven to rotate, and then the rotating rod 16 is driven to rotate, and then the round shaft 18 is driven to rotate, and then the trough plate 19 slides back and forth, and then the L-shaped scraper plate 20 is driven to slide back and forth, and then the ash is driven to move back and forth in the filter screen 21 is driven to take back and forth in the upper end of the dust bin 22, and then the dust is cleaned up and then in the two sides of the ash bin 22 is required to be cleaned.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (6)
1. The utility model provides a high-low voltage switch cabinet with waterproof dustproof function, includes cabinet body (1), its characterized in that is provided with apron (2) on cabinet body (1), be provided with waterproof case (3) and fan (4) in cabinet body (1), the top of fan (4) is provided with ventilation network (5), be provided with motor (6) in apron (2), be provided with cleaning mechanism in apron (2), cleaning mechanism includes bull stick (7), output shaft fixed connection of bull stick (7) and motor (6), fixed mounting has sector gear (8) on bull stick (7), slidable mounting has toothed frame (9) on apron (2), toothed frame (9) mesh with sector gear (8), fixed mounting has two brushes (10) on toothed frame (9), be provided with in cabinet body (1) and draw in pipe (11), be provided with filter screen (12) in drawing in pipe (11), be provided with in cabinet body (1) and scrape mechanism.
The sweeping and scraping mechanism comprises a first belt wheel (13), the first belt wheel (13) is fixedly connected with a rotating rod (7), a rotating rod (16) is rotatably arranged on a cabinet body (1), a second belt wheel (14) is fixedly arranged on the rotating rod (16), the same belt (15) is arranged on the first belt wheel (13) and the second belt wheel (14) in a transmission mode, a disc (17) is fixedly arranged on the rotating rod (16), a circular shaft (18) is fixedly arranged on the disc (17), a groove plate (19) is slidably arranged in the cabinet body (1), the circular shaft (18) is slidably connected with the inner wall of the groove plate (19), an L-shaped connecting plate (20) is fixedly arranged on the groove plate (19), a scraping plate (21) is fixedly connected with the L-shaped connecting plate (20), and the scraping plate (21) is matched with a filter screen (12);
two baffles (22) are rotatably arranged on the folding pipe (11), tension springs (23) are fixedly connected to the two baffles (22), one ends of the two tension springs (23) are fixedly connected with the folding pipe (11), and an ash collecting groove (24) is formed in the cabinet body (1);
after the switch cabinet is used for a period of time, the motor (6) is opened, the rotating rod (7) is driven to rotate, the sector gear (8) is driven to rotate, the toothed frame (9) is driven to slide back and forth, the two brushes (10) are driven to slide back and forth, the ventilation net (5) is cleaned, blocking is avoided, the rotating rod (7) is driven to rotate, the first belt wheel (13) is driven to rotate, the second belt wheel (14) is driven to rotate, the rotating rod (16) is driven to rotate, the disc (17) is driven to rotate, the circular shaft (18) is driven to rotate, the groove plate (19) is driven to slide back and forth, the L-shaped connecting plate (20) is driven to move back and forth, the scraper blade (21) is driven to move back and forth, the scraper blade (12) is driven to clean the upper side of the scraper blade (12) and the dust in the two sides of the filter screen (21) are recovered when the scraper blade (21) is driven to retract under the action of the elastic force of the two side of the scraper blade (21), the baffle (22) is reset, so that dust can be conveniently swept into the dust collecting groove (24), the cabinet door is regularly opened, and the dust collecting groove (24) is taken out for uniform cleaning.
2. The high-low voltage switch cabinet with the waterproof and dustproof functions according to claim 1, wherein a sliding rail is arranged on the cover plate (2) and is in sliding connection with the tooth frame (9).
3. The high-low voltage switch cabinet with the waterproof and dustproof functions according to claim 1, wherein a groove rail is arranged in the cabinet body (1) and is in sliding connection with the groove plate (19).
4. The high-low voltage switch cabinet with the waterproof and dustproof functions according to claim 1, wherein a first bearing is arranged on the cover plate (2), and an inner ring of the first bearing is fixedly connected with the rotating rod (7).
5. The high-low voltage switch cabinet with the waterproof and dustproof functions according to claim 1, wherein a second bearing is arranged on the cabinet body (1), and an inner ring of the second bearing is fixedly connected with a rotary rod (16).
6. The high-low voltage switch cabinet with the waterproof and dustproof functions according to claim 1, wherein an air outlet is formed in the bottom of the cabinet body (1), the air outlet is communicated with the folding pipe (11), two cabinet doors are arranged on the cabinet body (1) and are matched with each other, a door lock is arranged on the two cabinet doors, and sealing gaskets are arranged on the inner sides of the two cabinet doors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210789985.5A CN115064955B (en) | 2022-07-05 | 2022-07-05 | High-low voltage switch cabinet with waterproof and dustproof functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210789985.5A CN115064955B (en) | 2022-07-05 | 2022-07-05 | High-low voltage switch cabinet with waterproof and dustproof functions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115064955A CN115064955A (en) | 2022-09-16 |
| CN115064955B true CN115064955B (en) | 2023-11-10 |
Family
ID=83204964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210789985.5A Active CN115064955B (en) | 2022-07-05 | 2022-07-05 | High-low voltage switch cabinet with waterproof and dustproof functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115064955B (en) |
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| GB246279A (en) * | 1924-12-19 | 1926-01-28 | Daniel Hall | Improvements in or relating to dust and like collectors and extractors |
| JPH091985A (en) * | 1995-06-20 | 1997-01-07 | Nec Eng Ltd | Electronic white board device |
| CN208385964U (en) * | 2018-06-14 | 2019-01-15 | 湖南工程学院 | A kind of heat dissipation type cabinet |
| CN208723402U (en) * | 2018-09-26 | 2019-04-09 | 襄阳市建盛工业控制有限公司 | Stainless steel outdoor comprehensive distribution box |
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