CN220440239U - External dedusting and heat dissipating device of electric cabinet ventilation opening - Google Patents
External dedusting and heat dissipating device of electric cabinet ventilation opening Download PDFInfo
- Publication number
- CN220440239U CN220440239U CN202321797155.3U CN202321797155U CN220440239U CN 220440239 U CN220440239 U CN 220440239U CN 202321797155 U CN202321797155 U CN 202321797155U CN 220440239 U CN220440239 U CN 220440239U
- Authority
- CN
- China
- Prior art keywords
- box body
- fan
- ventilation opening
- electrical cabinet
- box
- 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
Links
- 238000009423 ventilation Methods 0.000 title claims abstract description 40
- 239000000428 dust Substances 0.000 claims abstract description 55
- 210000001503 joint Anatomy 0.000 claims abstract description 4
- 238000007599 discharging Methods 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 235000019504 cigarettes Nutrition 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000000779 smoke Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009413 insulation Methods 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
- 238000010926 purge Methods 0.000 description 1
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model relates to the technical field of electrical cabinets, in particular to an external dedusting and heat dissipating device of an electrical cabinet ventilation opening, which comprises a fan and a box body, wherein the front end of the box body is provided with a dedusting opening along the airflow direction, the rear end of the box body is provided with a dust discharging opening, the dedusting opening is communicated with the dust discharging opening, the fan is positioned in the box body, the box body can be detachably connected to the outer wall of the electrical cabinet, and the dedusting opening is in butt joint with the ventilation opening of the electrical cabinet. The fan motor rotates to drive the blades of the fan to rotate so as to absorb dust at the front ventilation opening and heat exhausted by the electrical cabinet, and the dust and the heat are carried into the box body through air flow generated by rotation of the fan and are exhausted through the dust removing opening. This application is in time discharged the dust in the regulator cubicle through outside dust removal heat abstractor, and the dust is difficult for stopping up in vent department, when the clearance, only need to tear down the box body clear up the box body can, need not to open the regulator cubicle, need not to shut down the clearance, does not influence the work of regulator cubicle and external equipment thereof.
Description
Technical Field
The utility model relates to the technical field of electrical cabinets, in particular to an external dedusting and heat dissipating device of an electrical cabinet ventilation opening.
Background
An electrical cabinet is a common electrical cabinet, and is mainly used for installing various circuit boards, switches, various meters and the like to control external equipment. For example, the temperature and humidity of the external environment are required to be higher in the cigarette smoke detection process, so that the temperature and humidity of the cigarette smoke inspection chamber needs to be controlled by a constant temperature and humidity unit, and the operation and control of all equipment in the constant temperature and humidity unit are mainly realized by components in an electric cabinet.
The electrical cabinet can generate a large amount of heat in the use process, and if the electrical cabinet is not discharged in time, the components can be aged and damaged, the insulation strength is reduced, and even fire disasters can be caused. In order to ensure safe operation of the electrical cabinet, ventilation openings are usually formed in the top, bottom or side walls of the electrical cabinet, an internal air suction fan is installed in the electrical cabinet, and the internal fan is arranged at the ventilation openings so that dust and heat can be discharged through the ventilation openings.
However, the mode of adopting built-in fan and seting up the vent on top, bottom or lateral wall removes dust and dispels the heat, easily forms the laying dust and blocks up outside the vent, difficult clearance and installation, and all need shut down, open the cabinet door of regulator cubicle when clearing up each time, long-time, the repeated shut down clearance is easy to influence the work of regulator cubicle and external equipment thereof, reduces work efficiency, for example when cigarette flue gas detects, easily causes the influence to the work of flue gas inspection room, reduces flue gas inspection efficiency.
Disclosure of Invention
The utility model provides an external dedusting and heat dissipating apparatus of an electric cabinet ventilation opening, which aims to solve the technical problem that a cabinet door needs to be opened to clean dust accumulation in the electric cabinet in the prior art.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides an outside dust removal heat abstractor of regulator cubicle vent, includes fan and box body, along the air current direction, and open the front end of box body has the dust removal mouth, and open the rear end has the dust exhaust mouth, and the dust removal mouth is linked together with the dust exhaust mouth, and the fan is located the inside of box body, and the box body can be dismantled and connect in the outer wall of regulator cubicle, and the vent butt joint of dust removal mouth and regulator cubicle.
By adopting the above structure scheme, the fan motor rotates to drive the blades of the fan to rotate so as to absorb dust at the front ventilation opening and heat exhausted by the electrical cabinet, and the dust and the heat are carried into the box body through air flow generated by the rotation of the fan and then are exhausted through the dust removing opening. With this, this application can be through the dust in the timely exhaust regulator cubicle of outside dust removal heat abstractor, and the dust is difficult for stopping up in vent department to when the clearance, only need tear the box body open the box body can, need not to open the regulator cubicle, need not to shut down the clearance, can not cause the influence to the work of regulator cubicle and external equipment, does not influence work efficiency.
As an alternative implementation mode of the external dedusting and heat dissipating device of the ventilation opening of the electrical cabinet, a hairbrush is arranged at the dedusting opening of the box body and positioned in front of the fan.
By adopting the above structural scheme, the brush can clean the ventilation opening of the electrical cabinet when rotating, and then the air flow generated by the rotation of the fan is discharged to the rear, so that the dust blocked in the ventilation opening is effectively reduced.
As an alternative implementation mode of the external dedusting and heat dissipating apparatus of the electrical cabinet ventilation opening, the external dedusting and heat dissipating apparatus further comprises a brush motor, the brush motor can drive the brush to rotate, a through hole is formed in the side wall of the box body, a motor shaft of the brush motor extends into the box body through the through hole, and the motor shaft is connected with the brush.
By adopting the above structure scheme, the brush motor stretches into the inside of the box body through the outside of the box body, so that the brush motor does not occupy the internal space, and only a through hole is required to be formed in the box body, so that the brush motor is simple in structure and convenient to process and install.
As an optional implementation mode of the external dedusting and heat dissipating device of the electric cabinet ventilation opening, the external dedusting and heat dissipating device further comprises an air grid which is of a hollow frame structure, wherein the air grid is arranged at the rear end of the box body, a plurality of guide plates are arranged in the air grid, and the guide plates are parallel to each other and are arranged at intervals.
By adopting the above structural scheme, when dust and heat are discharged through the dust removal port, the air flow can be smoothly discharged by using the guide plate.
As an alternative implementation mode of the external dedusting and heat dissipating apparatus of the electrical cabinet ventilation opening, the front end of the box body is magnetically connected with the outer wall of the electrical cabinet.
By adopting the above structural scheme, the box body is convenient and fast to be connected with the electric cabinet, and the box body is not easy to deform and fail after repeated disassembly.
As an alternative implementation mode of the external dedusting and heat dissipating device of the electric cabinet ventilation opening, the end face of the front end of the box body is provided with a plurality of mounting holes, and magnetic nails are arranged in the mounting holes.
By adopting the structural scheme, the magnetic nail is simple in structure, convenient to install and convenient and fast to replace.
As an alternative implementation mode of the external dedusting and heat dissipating device of the electric cabinet ventilation opening, the rotating surface of the fan is arranged in parallel with the ventilation opening, the box body is at least divided into two box components along the direction perpendicular to the rotating surface of the fan, the box components are detachably connected, the rear end of the box body is provided with a first box component and a second box component in sequence, the dust exhaust opening is formed in the rear end of the first box component, and the fan is located in the second box component.
By adopting the above structural scheme, the box body is split, and each function area is divided and arranged, so that the box is convenient to install and overhaul.
As an alternative implementation mode of the external dedusting and heat dissipating apparatus of the electrical cabinet ventilation opening, the external dedusting and heat dissipating apparatus further comprises a mounting frame and a fan motor, wherein the mounting frame is connected with the end face of the rear end of the second box assembly, the fan motor can drive the fan to rotate, and the fan motor is mounted on the mounting frame.
By adopting the above structural scheme, the fan motor is small in size, is installed in the second box assembly, does not occupy too much space, and is arranged behind the fan, so that the air flow cannot be greatly influenced, and the fan is conveniently driven.
As an alternative implementation mode of the external dedusting and heat dissipating device of the electric cabinet ventilation opening, the box body further comprises a third box assembly, the third box assembly is positioned in front of the second box assembly, the third box assembly is detachably connected with the second box assembly, and the hairbrush is positioned in the third box assembly.
By adopting the above structural scheme, the hairbrush responsible for dust removal is independently arranged in the third box body assembly, and the installation and the maintenance are convenient.
As an alternative implementation mode of the external dedusting and radiating device of the electric cabinet ventilation opening, a first connecting frame is arranged outside the rear end of the third box body component, a second connecting frame is arranged outside the front end of the second box body component, a third connecting frame is arranged outside the rear end of the second box body component, a fourth connecting frame is arranged outside the front end of the first box body component, the first connecting frame is detachably connected with the second connecting frame, and the third connecting frame is detachably connected with the fourth connecting frame.
By adopting the structural scheme, the detachable connection between the box body components is convenient.
The beneficial effects of the utility model include:
the fan motor rotates to drive the blades of the fan to rotate so as to absorb dust at the front ventilation opening and heat exhausted by the electrical cabinet, and the dust and the heat are carried into the box body through air flow generated by rotation of the fan and then exhausted through the dust removal opening. With this, this application can be through the dust in the timely exhaust regulator cubicle of outside dust removal heat abstractor, and the dust is difficult for stopping up in vent department to when the clearance, only need tear the box body open the box body can, need not to open the regulator cubicle, need not to shut down the clearance, can not cause the influence to the work of regulator cubicle and external equipment, does not influence work efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the description will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic cross-sectional view of an embodiment of the present utility model;
FIG. 2 is a schematic side view of a third housing assembly according to an embodiment of the present utility model;
FIG. 3 is a schematic side view of a second housing assembly according to an embodiment of the present utility model;
fig. 4 is a schematic side view of a first case assembly according to an embodiment of the present utility model.
Reference numerals illustrate:
1. magnetic nails; 2. a sealing gasket; 3. a screw; 4. a brush motor frame; 5. a brush motor; 6. a brush; 7. a third housing assembly; 7-1, mounting holes; 7-2, a first connecting frame; 8. a second housing assembly; 8-1, a second connecting frame; 8-2, a third connecting frame; 9. a fan; 10. a fan motor; 11. a mounting frame; 12. a first housing assembly; 12-1, a fourth connecting frame; 13. a hinge; 14. a wind grid; 14-1, a deflector; 15. a filter screen; 16. a sealing strip; 17. a nut; 18. a bolt;
the arrows in fig. 1 indicate the direction of the air flow in the case body.
Detailed Description
In order to make the objects, features and advantages of the present utility model more obvious and understandable, the technical solutions of the present utility model will be clearly and completely described below with reference to the drawings in this specific embodiment, and it is apparent that the embodiments described below are only some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, based on the embodiments in this patent, which would be within the purview of one of ordinary skill in the art without the particular effort to make the utility model are intended to be within the scope of the patent protection.
Referring to fig. 1-4, the embodiment provides an external dedusting and heat dissipating apparatus for an electrical cabinet ventilation opening, which comprises a box body, wherein a fan 9 and a brush 6 are arranged in the box body, the fan 9 is driven by a fan motor 10, the brush 6 is driven by a brush motor 5, the outer wall of the electrical cabinet is provided with the ventilation opening, the box body can be detachably connected to the outer wall of the electrical cabinet, the rotation surface of the fan 9 is parallel to the ventilation opening, and the box body is sequentially divided into a third box assembly 7, a second box assembly 8 and a first box assembly 12 along the direction of air flow from the ventilation opening of the electrical cabinet along the direction perpendicular to the rotation surface of the fan 9. The arrows in fig. 1 indicate the direction of the air flow in the case body.
The third box body assembly 7 is a dust removal module, the third box body assembly 7 is positioned in front of the second box body assembly 8, a dust removal opening is formed in the front end of the third box body along the air flow direction, the dust removal opening can be in butt joint with a ventilation opening of the electrical cabinet, a sealing gasket 2 is bonded to the end face of the front end of the third box body assembly 7, a plurality of mounting holes 7-1 are formed in the end face of the front end of the third box body assembly 7, a magnetic nail 1 is arranged in the mounting holes 7-1, the magnetic nail 1 penetrates through the sealing gasket 2, so that the front end of the third box body assembly 7 can be in magnetic attraction connection with the outer wall of the electrical cabinet, and tightness is achieved between the end face of the front end of the third box body assembly 7 and the outer wall of the electrical cabinet; the brush 6 is positioned in the third box body assembly 7, the installation position of the brush 6 is close to the dust removal opening, a through hole is formed in the side wall of the third box body assembly 7, a motor shaft of the brush motor 5 extends into the third box body assembly 7 through the through hole, the motor shaft is connected with the brush 6, the whole brush 6 is a square frame, bristles are arranged on two sides of the frame, the motor shaft of the brush motor 5 can drive the brush 6 to rotate so as to clean a vent, in particular, the brush motor 5 is arranged in the brush motor frame 4, and the brush motor 5 and the brush motor frame 4 are integrally fixed above the third box body assembly 7 through the screw 3; the outside of the rear end of the third box assembly 7 is provided with a first connecting frame 7-2, the outside of the front end of the second box assembly 8 is provided with a second connecting frame 8-1, the first connecting frame 7-2 and the second connecting frame 8-1 are provided with connecting holes, the first connecting frame 7-2 and the second connecting frame 8-1 can be connected through bolts 18 and nuts 17 so that the third box assembly 7 and the second box assembly 8 can be detachably connected, specifically, the first connecting frame 7-2 can be a part with holes protruding at four corners of the third box assembly 7, and the second connecting frame 8-1 can be a part with holes protruding at four corners of the second box assembly 8.
The second box assembly 8 is a dust collection module, the fan 9 is positioned in the second box assembly 8, a fan motor 10 is connected to the rear of the fan 9, the fan motor 10 is arranged in a fan motor 10 frame, the fan motor 10 frame is connected with the end face of the rear end of the second box assembly 8 through a mounting frame 11, and specifically, the mounting frame 11 can be of a plate-shaped structure; the outside of the rear end of the second box assembly 8 is provided with a third connecting frame 8-2, the outside of the front end of the first box assembly 12 is provided with a fourth connecting frame 12-1, the third connecting frame 8-2 and the fourth connecting frame 12-1 are provided with connecting holes, the third connecting frame 8-2 and the fourth connecting frame 12-1 can be connected through bolts 18 and nuts 17 so that the second box assembly 8 can be detachably connected with the first box assembly 12, specifically, the third connecting frame 8-2 can be a part with holes protruding at four corners of the second box assembly 8, and the fourth connecting frame 12-1 can be a part with holes protruding at four corners of the first box assembly 12.
The first box body assembly 12 is a dust removal module, the first box body assembly 12 is located at the rear of the second box body assembly 8, the first box body assembly 12 and the second box body assembly 8 are detachably connected, a dust discharge opening is formed in the rear end of the first box body, the dust discharge opening is communicated with a dust removal opening, an air grid 14 is arranged at the dust discharge opening, the air grid 14 is of a hollow frame structure, the air grid 14 is connected with the rear end of the box body through a hinge 13 at the top, a plurality of guide plates 14-1 are mounted in the air grid 14, the guide plates 14-1 are parallel to each other and are arranged at intervals, the front end faces of the guide plates 14-1 are flush with the outer end faces of the air grid 14, and hot air in the first box body assembly 12 can be smoothly discharged through the use of the guide plates 14-1. Specifically, the inner side of the air grid 14 is provided with a groove, a filter screen 15 and a sealing strip 16 are arranged in the groove, the sealing strip 16 is arranged at the gap between the frame of the filter screen 15 and the groove, the filter screen 15 is effectively fixed, sealing is formed, and air flow is prevented from being split from the gap between the frame of the filter screen 15 and the groove in the middle.
The working process of the embodiment is as follows: the motor shaft of the brush motor 5 rotates to drive the brush 6 to rotate to clean the ventilation opening of the electrical cabinet, the fan motor 10 rotates to drive the blades of the fan 9 to rotate so as to absorb dust cleaned by the front brush 6 and heat discharged by the electrical cabinet, the dust and the heat are brought into the first box assembly 12 through air flow generated by the rotation of the fan 9 and are discharged through a dust removing opening, and the air flow in the first box assembly 12 can be smoothly discharged through the use of the guide plate 14-1 during discharging. When the dust on the filter screen 15 needs to be cleaned, the air grid 14 is lifted to take off the filter screen 15 for purging, and the cleaning is convenient and quick.
In this embodiment, the end face of the front end of the third box assembly 7 is adhered with the gasket 2, and in other embodiments, the end face of the front end of the third box assembly 7 and the gasket 2 may be connected in other manners, such as clamping.
In the present embodiment, the first connecting frame 7-2 is connected with the second connecting frame 8-1, the third connecting frame 8-2 is connected with the fourth connecting frame 12-1 by bolts, and in other embodiments, other manners, such as clamping connection, pin connection, etc. may be adopted.
In this embodiment, the terms "front", "rear", "upper", "lower", and the like are all directions with reference to the view direction, and the actual protection scope of this embodiment cannot be limited.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An external dedusting and heat dissipating device of an electric cabinet ventilation opening comprises a fan (9), and is characterized in that,
still include the box body, along the air current direction, open the front end of box body has the dust removal mouth, and the rear end is opened there is the dust exhaust mouth, and the dust removal mouth is linked together with the dust exhaust mouth, and fan (9) are located the inside of box body, and the box body can be dismantled and connect in the outer wall of regulator cubicle, and the vent butt joint of dust removal mouth and regulator cubicle.
2. The external dedusting and heat dissipating apparatus of an electrical cabinet ventilation opening according to claim 1, wherein the dedusting opening of the box body is provided with a brush (6), and the brush (6) is positioned in front of the fan (9).
3. The external dedusting and heat dissipating apparatus of an electrical cabinet ventilation opening according to claim 2, further comprising a brush motor (5), wherein the brush motor (5) can drive the brush (6) to rotate, a through hole is formed in the side wall of the box body, a motor shaft of the brush motor (5) extends into the box body through the through hole, and the motor shaft is connected with the brush (6).
4. The external dedusting and heat dissipating apparatus of an electrical cabinet ventilation opening according to claim 1, further comprising an air grid (14), wherein the air grid (14) is of a hollow frame structure, the air grid (14) is mounted at the rear end of the box body, a plurality of guide plates (14-1) are mounted inside the air grid (14), and the plurality of guide plates (14-1) are parallel to each other and are arranged at intervals.
5. The external dedusting and heat dissipating apparatus of an electrical cabinet vent of claim 1, wherein the front end of the housing body is magnetically connected to the outer wall of the electrical cabinet.
6. The external dedusting and heat dissipating apparatus of the electrical cabinet ventilation opening according to claim 5, wherein the end face of the front end of the box body is provided with a plurality of mounting holes (7-1), and the mounting holes (7-1) are internally provided with magnetic nails (1).
7. The external dedusting and heat dissipating apparatus of an electrical cabinet ventilation opening according to any one of claims 1 to 6, wherein the rotation surface of the fan (9) is arranged in parallel with the ventilation opening, the box body is divided into at least two box components along the direction perpendicular to the rotation surface of the fan (9), the box components are detachably connected, the rear end of the box body is provided with a first box component (12) and a second box component (8) in sequence, the dust exhaust opening is formed at the rear end of the first box component (12), and the fan (9) is located inside the second box component (8).
8. The external dedusting and heat dissipating apparatus of an electrical cabinet ventilation opening according to claim 7, further comprising a mounting frame (11) and a fan motor (10), wherein the mounting frame (11) is connected to an end face of the rear end of the second housing assembly (8), the fan motor (10) is capable of driving the fan (9) to rotate, and the fan motor (10) is mounted on the mounting frame (11).
9. The external dedusting and heat dissipating apparatus of an electrical cabinet ventilation opening according to claim 7, wherein the case body further comprises a third case assembly (7), the third case assembly (7) is located in front of the second case assembly (8), the third case assembly (7) is detachably connected to the second case assembly (8), and the brush (6) is located inside the third case assembly (7).
10. The external dedusting and heat dissipating apparatus of an electrical cabinet ventilation opening according to claim 9, wherein the outside of the rear end of the third box assembly (7) is provided with a first connecting frame (7-2), the outside of the front end of the second box assembly (8) is provided with a second connecting frame (8-1), the outside of the rear end of the second box assembly (8) is provided with a third connecting frame (8-2), the outside of the front end of the first box assembly (12) is provided with a fourth connecting frame (12-1), the first connecting frame (7-2) is detachably connected with the second connecting frame (8-1), and the third connecting frame (8-2) is detachably connected with the fourth connecting frame (12-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321797155.3U CN220440239U (en) | 2023-07-10 | 2023-07-10 | External dedusting and heat dissipating device of electric cabinet ventilation opening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321797155.3U CN220440239U (en) | 2023-07-10 | 2023-07-10 | External dedusting and heat dissipating device of electric cabinet ventilation opening |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220440239U true CN220440239U (en) | 2024-02-02 |
Family
ID=89688034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321797155.3U Active CN220440239U (en) | 2023-07-10 | 2023-07-10 | External dedusting and heat dissipating device of electric cabinet ventilation opening |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220440239U (en) |
-
2023
- 2023-07-10 CN CN202321797155.3U patent/CN220440239U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210468539U (en) | Indoor ventilation system of transformer substation | |
| CN108418128A (en) | A kind of electric distribution cabinet | |
| CN211959055U (en) | Novel dustproof and ventilated frequency converter | |
| CN216313635U (en) | Dampproofing dustproof regulator cubicle | |
| CN220440239U (en) | External dedusting and heat dissipating device of electric cabinet ventilation opening | |
| CN219248400U (en) | Heat dissipation type control cabinet | |
| CN110883013A (en) | Cleaning mechanism for cooling net of computer | |
| CN208489543U (en) | A kind of power supply cabinet for filtering system of having chance with | |
| CN212114392U (en) | Combined power distribution cabinet convenient for heat dissipation | |
| CN210577307U (en) | UPS uninterrupted power source control installation machine case that radiating effect is good | |
| CN110880695A (en) | Cubical switchboard dehumidification cooling structure | |
| CN210008146U (en) | Outdoor electric appliance cabinet with dehumidification, moisture-proof, heat dissipation and dust prevention functions | |
| CN114487489A (en) | Safety monitoring device that electrical engineering used | |
| CN216366441U (en) | Wisdom fire control thing allies oneself with switch board | |
| CN215890523U (en) | Frequency conversion direct current scavenger fan | |
| CN219612431U (en) | Control cabinet with good heat dissipation effect | |
| CN219042364U (en) | Fire control smoke exhaust fan control box | |
| CN210959083U (en) | Permanent magnet synchronous motor control device | |
| KR100220730B1 (en) | Electric dust collect device of airconditioner | |
| CN217522430U (en) | Positive pressure type ventilation device for electric power room | |
| CN216620132U (en) | Exhaust fan with purification performance | |
| CN111725716B (en) | Electric power cabinet | |
| CN109539449A (en) | A kind of new blower | |
| CN211629706U (en) | Control cabinet for power generation equipment | |
| CN218953644U (en) | Pipeline fan convenient to dismantle abluent |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |