CN214590136U - Heat radiation structure of electric power cabinet - Google Patents
Heat radiation structure of electric power cabinet Download PDFInfo
- Publication number
- CN214590136U CN214590136U CN202121078759.3U CN202121078759U CN214590136U CN 214590136 U CN214590136 U CN 214590136U CN 202121078759 U CN202121078759 U CN 202121078759U CN 214590136 U CN214590136 U CN 214590136U
- Authority
- CN
- China
- Prior art keywords
- air
- dust
- filter screen
- plate
- guide
- 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
Images
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses a heat radiation structure of electric power cabinet, be provided with scattered aerofoil and aviation baffle on the one side wind-guiding opening inner wall respectively, the intercommunication is provided with scattered wind return bend on the scattered aerofoil, scattered wind return bend air intake end is provided with the filter screen section of thick bamboo, and filter screen bobbin base end is provided with the filter screen panel, and be equipped with the air inlet bevel connection on the aviation baffle outer wall, air inlet bevel connection outside upper end is provided with dash board, inboard upper and lower extreme is provided with water conservancy diversion piece and leads the dirt swash plate respectively, the intercommunication has the wind-guiding arc way on water conservancy diversion piece roof and the lateral wall, the filter screen section of thick bamboo is inserted and is established in the wind-guiding arc way, and be provided with the dust collecting pipe on the aviation baffle inside wall, it is linked together with the dust collecting pipe to lead dirt swash plate bottom. The filter screen cylinder and the filter screen cover at the air outlet end of the air guide arc channel filter sand and dust from natural wind, and the filtered sand and dust are discharged into the dust collection box through the dust guide inclined plate and the dust collection pipe to be collected, so that the accumulation amount of the sand and dust on the filter screen cylinder and the filter screen cover is reduced, and the heat dissipation effect on the power distribution cabinet body is improved.
Description
Technical Field
The utility model belongs to the technical field of the power distribution cabinet, concretely relates to heat radiation structure of electric power cabinet.
Background
The power distribution cabinet, the lighting distribution cabinet and the metering cabinet are power distribution cabinet and power distribution system final-stage equipment, and the power distribution cabinet is used in the occasions with dispersed loads and less loops.
Inside a large amount of electric power or communication equipment of all depositing of our switch board, but these equipment can hardly be avoided appearing the inside temperature of switch board and rise in long-time course of operation, and the inside high temperature of switch board will seriously influence the normal work of equipment, and the current heat dissipation mode to power distribution cabinet mainly is: the natural ventilation type is a convection structure of air outside the cabinet and air inside the cabinet equipment compartment, and natural wind is used for heat exchange of equipment in the cabinet, the mode is mostly used for regions with large natural wind in the external environment, partial regions in northwest China belong to regions with large natural wind, natural wind is introduced into the power distribution cabinet to achieve a good heat dissipation effect and is environment-friendly, although natural wind is large year round in northwest China, the content of wind and sand in the air is large, if a dustproof measure is not made for the power distribution cabinet, sand and dust can easily enter the power distribution cabinet, when electric elements in the power distribution cabinet work, electrostatic adsorption can be carried out on fine sand and dust, and normal operation of the electric elements is not facilitated, therefore, in order to solve the problems, a dust filter screen plate is usually placed in a wind guide port of the power distribution cabinet, the dust filter screen plate can block most of dust in the air, and has the following defects: although set up the dust filter otter board in two wind-guiding mouths and can solve the problem that the sand and dust got into in the switch board, but the sand and dust that gets off by the separation of dust filter otter board most all piles up on its surface, and at the in-process of using for a long time, the mesh in the dust filter otter board can dwindle gradually under the piling up of sand and dust, is unfavorable for the circulation of external natural air to the radiating effect to electrical equipment in the switch board has been reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a heat radiation structure of electric power cabinet to the switch board dust filter otter board that adopts the natural draft type that exists among the solution prior art can take place to block up along with live time, leads to the problem that the radiating effect progressively reduces.
In order to achieve the above object, the utility model provides a following technical scheme: a heat dissipation structure of an electric power cabinet comprises a distribution cabinet body and air guide openings arranged on two side walls of the distribution cabinet body, wherein an air dispersing plate and an air guide plate are respectively arranged on the inner wall of the air guide opening, a plurality of air dispersing bent pipes are arranged on the air dispersing plate in a communicated mode, a filter screen cylinder is arranged at the air inlet end of each air dispersing bent pipe, a filter screen cover is arranged at the bottom end of each filter screen cylinder, an installation and disassembly assembly is arranged between the air guide plate and the distribution cabinet body, a plurality of air inlet inclined openings are formed in the outer wall of the air guide plate, a rain shielding plate is arranged at the upper end of the outer side of each air inlet inclined opening, a flow guide block and a dust guide inclined plate are respectively arranged at the upper end and the lower end of the inner side of each air inlet inclined pipe, an air guide arc channel is communicated with one side wall of each flow guide block, the filter screen cylinder is inserted into the air guide arc channel, a dust collection pipe is arranged on the inner side wall of the air guide plate, and the bottom end of each dust guide inclined plate is communicated with the dust collection pipe.
Preferably, a heat dissipation hole screen plate is arranged in the air guide opening on the other side, the air guide plate is located on the outer side of the air dissipation plate, the cross section of the air dissipation bent pipe is of an inverted L-shaped structure, the air outlet end of the air dissipation bent pipe is horn-shaped, the air outlet end of the air dissipation bent pipe is located in the power distribution cabinet body, and the outer portion of the filter screen cylinder is of an isosceles trapezoid structure.
Preferably, the mounting and dismounting assembly comprises a connecting block arranged on the bottom end face of the air deflector, a slot and a step opening are respectively arranged on the inner walls of the upper end and the lower end of the air guide opening on one side, two ends of the air deflector are respectively inserted into the slot and the step opening, a threaded hole is arranged on the inner side wall of the slot, a locking bolt is connected in the threaded hole in a threaded manner, a clamping plate is arranged on the top wall of the step surface on the inner side of the step opening, a clamping groove is formed in the upper end face of the connecting block corresponding to the clamping plate, and the clamping plate is inserted into the clamping groove.
Preferably, the included angle between the central line direction of the rain shielding plate and the horizontal line direction of the air deflector is 20-50 degrees, the cross section of the dust guide sloping plate is of an L-shaped structure, the side wall of the dust guide sloping plate is connected with the bottom end face of the flow guide block, and the air inlet end of the air guide arc channel is positioned on one side of the air outlet end of the air inlet sloping port.
Preferably, a plurality of dust inlet openings are formed in the outer wall of the dust collecting pipe, the bottom end of the dust guide inclined plate is arranged on the outer end face of the dust inlet opening, a through hole is formed in the outer wall of the air deflector, the bottom end of the dust collecting pipe is in a bent pipe shape, the bottom end of the dust collecting pipe penetrates through the through hole, a dust collecting box is arranged outside the power distribution cabinet body, a dust inlet pipe is arranged above the side wall of the dust collecting box, the bottom end of the dust collecting pipe stretches out of the end penetrating through the dust inlet pipe, the outer side of the bottom end of the dust collecting pipe is located in the dust collecting box, a cleaning opening is formed in the side wall of the bottom end of the dust collecting box, and the cleaning opening is sealed through a sealing cover rotatably connected with the dust collecting box.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a with the aviation baffle through ann tear fixture block in the subassembly open and lock the bolt dead and fix, when needs are ann to tear open the aviation baffle, only need to lock the bolt dead and twist out from threaded hole, move the aviation baffle downwards again, make the cardboard shift out from the draw-in groove, alright convenient ann tears open the aviation baffle, made things convenient for the later stage to scattered aviation baffle and the maintenance of aviation baffle to wash.
The utility model discloses a set up louvre otter board and scattered aerofoil and aviation baffle in the wind-guiding mouth of the switch board body both sides respectively, natural air flows into the wind-guiding arc in through the air inlet bevel connection in the aviation baffle, the filter screen section of thick bamboo and the filter screen panel of the end of giving vent to anger of wind-guiding arc carry out the dust filtration to natural wind, the dust after the filtration is collected in discharging the dust collection box through the dust-guiding swash plate and dust collecting pipe, the accumulation volume of dust on filter screen section of thick bamboo and the filter screen panel has been reduced, and then the radiating effect to the switch board body has been improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic cross-sectional view of the present invention;
fig. 3 is an isometric view of the diffuser plate of the present invention;
fig. 4 is an isometric view of the air deflector of the present invention;
FIG. 5 is a schematic view of the back-facing structure of FIG. 4;
FIG. 6 is an isometric view of the louver mask of the present invention;
fig. 7 is an exploded view of the air-diffusing bent pipe, the filter screen cylinder and the filter screen cover of the present invention;
FIG. 8 is a left side view partially cut-away view of the air deflection plate of FIG. 2;
FIG. 9 is a front partially cut-away schematic view of the dust bin and dust tube of FIG. 2;
FIG. 10 is an enlarged view of a portion a of FIG. 2;
FIG. 11 is an enlarged view of FIG. 2 at b;
FIG. 12 is an enlarged view of FIG. 2 at c;
FIG. 13 is an enlarged view of FIG. 4 at d;
fig. 14 is an enlarged schematic view at e of fig. 8.
In the figure: 1 power distribution cabinet body, 2 wind-guiding mouths, 3 wind-dispersing plates, 4 wind-guiding plates, 5 wind-dispersing bent pipes, 6 filter screen cylinders, 7 filter screen covers, 8 air inlet oblique mouths, 9 rain-shielding plates, 10 flow-guiding blocks, 11 dust-guiding inclined plates, 12 wind-guiding arc channels, 13 dust-collecting pipes, 14 heat-radiating hole screen plates, 15 connecting blocks, 16 slots, 17 step mouths, 18 threaded holes, 19 locking bolts, 20 clamping plates, 21 clamping grooves, 22 dust inlet mouths, 23 through holes, 24 dust-collecting boxes, 25 dust inlet pipes and 26 cleaning mouths.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1-14, the present invention provides a technical solution: a heat dissipation structure of an electric power cabinet comprises a power distribution cabinet body 1 and air guide openings 2 arranged on two side walls of the power distribution cabinet body, wherein air diffuser plates 3 and air guide plates 4 are respectively arranged on the inner walls of the air guide openings 2 on the right side;
the air deflector 4 is positioned at the outer side of the air diffuser 3;
eight air-diffusing bent pipes 5 are communicated with the air-diffusing plate 3, the air inlet ends of the air-diffusing bent pipes 5 are welded or bolted with a filter screen cylinder 6, and the bottom end of the filter screen cylinder 6 is welded or bolted with a filter screen 7;
the left side be provided with louvre otter board 14 in the wind-guiding mouth 2, constitute by the net gape of eight slopes forms in the louvre otter board 14, it avoids external sand and dust to enter into the distribution cabinet body 1, 5 cross-sections of wind return bend that looses are invertd L type structure, the end of giving vent to anger of wind return bend 5 is the loudspeaker form, and the wind return bend 5 that looses gives vent to anger the end and is located the distribution cabinet body 1, and the wind return bend 5 that looses arranges external natural wind into in the distribution cabinet body 1 and carries out the heat dissipation processing, the outside isosceles trapezoid structure that is of filter screen section of thick bamboo 6.
An installing and detaching assembly is arranged between the air deflector 4 and the power distribution cabinet body 1;
the assembling and disassembling component comprises a connecting block 15 arranged on the bottom end face of the air deflector 4, the inner walls of the upper end and the lower end of the air deflector 2 on the right side are respectively provided with an inserting groove 16 and a step opening 17, two ends of the air deflector 4 are respectively inserted into the inserting groove 16 and the step opening 17, the inner side wall of the inserting groove 16 is provided with a threaded hole 18, the threaded hole 18 is internally threaded with a locking bolt 19, the inserting end of the locking bolt 19 is in contact connection with the outer surface of the inserting end of the air deflector 4 so as to be convenient for locking and fixing the air deflector 4, the top wall of the step surface on the inner side of the step opening 17 is bonded with or screwed with a clamping plate 20, the upper end face of the connecting block 15 is provided with a clamping groove 21 corresponding to the clamping plate 20, the clamping plate 20 is inserted into the clamping groove 21, the clamping plate 20 is matched with the clamping groove 21 to clamp the air deflector 4, the air deflector 4 is prevented from shaking in the using process, and the assembling and disassembling component is convenient for disassembling and cleaning the air deflector 4, and the later maintenance is convenient.
Eight inclined air inlets 8 are formed in the outer wall of the air deflector 4, the upper ends of the outer sides of the inclined air inlets 8 are welded with a rain shielding plate 9 or connected with screws, and the upper ends and the lower ends of the inner sides of the inclined air inlets are respectively welded with a flow guide block 10 and a dust guide inclined plate 11 or connected with screws;
the included angle between the central line direction of the rain shielding plate 9 and the 4 horizontal line direction of the air deflector is 20-50 degrees, the cross section of the dust guide sloping plate 11 is of an L-shaped structure, the inclined design of the dust guide sloping plate 11 is convenient for guiding falling sand and dust, and the side wall of the dust guide sloping plate 11 is connected with the bottom end face of the flow guide block 10, so that the gap between the dust guide sloping plate 11 and the flow guide block 10 is sealed, the falling sand and dust is prevented from sliding outwards, and the air inlet end of the air guide arc channel 12 is positioned on the left side of the air outlet end of the air inlet oblique port 8.
The top wall and the right side wall of the flow guide block 10 are communicated with air guide arc channels 12, the air guide arc channels 12 are designed in an arc shape, the arrangement is convenient for guiding the direction of discharged natural wind and sliding filtered sand and dust onto the dust guide inclined plates 11 through the arc surfaces of the air guide arc channels, the filter screen cylinder 6 is inserted into the air guide arc channels 12, the filter screen cylinder 6 designed in an isosceles trapezoid is convenient for temporarily sealing the air outlet end of the air guide arc channels 12, the discharged natural wind is prevented from flowing out from the gap between the filter screen cylinder 6 and the air guide arc channels 12, the dustproof effect is improved, the inner side wall of the air guide plate 4 is welded or bolted with a dust collecting pipe 13, as shown in fig. 8 and 14, the bottom end of the dust guide inclined plates 11 is communicated with the dust collecting pipe 13, and the dust collecting pipe 13 discharges the guided and slid sand and dust into the dust collecting pipe 13 for collection;
eight dust inlets 22 are arranged on the outer wall of the dust collecting pipe 13, the bottom end of the dust guide sloping plate 11 is arranged on the outer end face of the dust inlet 22, so that sand and dust can slide into the dust collecting pipe 13 through the dust inlet 22, a through hole 23 is arranged on the outer wall of the air deflector 4, the bottom end of the dust collecting pipe 13 is in a bent pipe shape, the bottom end of the dust collecting pipe 13 penetrates through the through hole 23, a dust collecting box 24 is welded or bolted to the outside of the power distribution cabinet body 1, a dust inlet pipe 25 is arranged above the side wall of the dust collecting box 24, the extending end of the bottom end of the dust collecting pipe 13 penetrates through the dust inlet pipe 25, the outer side of the bottom end of the dust collecting pipe 13 is positioned in the dust collecting box 24, the arrangement is convenient for the dust collecting pipe 13 to discharge collected sand and dust into the dust collecting box 24 for centralized storage, a cleaning port 26 is arranged on the side wall of the bottom end of the dust collecting box 24, the cleaning port 26 is sealed by a sealing cover which is rotatably connected with the dust collecting box 24, and the outer end face of the sealing cover is hinged, the collected dust is convenient for maintenance personnel to uniformly treat through the cleaning port 26.
The working principle of the embodiment is as follows: when the power distribution cabinet body 1 adopts a natural wind heat dissipation mode, a constructor fixes a wind diffusing plate 3 and a heat dissipation hole screen plate 14 in a bolt connection mode in wind guide ports 2 at two sides of the power distribution cabinet body 1, then fixes a filter screen cylinder 6 at a wind diffusing elbow 5 air inlet end in a bolt connection mode, connects a filter screen cover 7 with a bolt at the bottom end face of the pre-filter screen cylinder 6, further inserts the lower end of the wind guiding plate 4 and a connecting block 15 into a step port 17, enables a clamping plate 20 on the step port 17 to correspond to a clamping groove 21 on the connecting block 15, enables the upper end of the wind guiding plate 4 to correspond to a slot 16, vertically inserts the wind guiding plate 4 into the slot 16, simultaneously enables the clamping plate 20 to be inserted into the clamping groove 21 so as to finish primary fixing of the wind guiding plate 4, in the step, the filter screen cover 7 and the filter screen cylinder 6 are inserted into a wind guiding arc channel 12 end on a guide block 10, and enables the air outlet of the filter screen cylinder 6 to be temporarily sealed with the wind guiding arc channel 12, the locking bolt 19 is inserted into the threaded hole 18 in a threaded manner, so that the extending end of the locking bolt 19 is tightly attached to the outer surface of the inserting end of the air deflector 4, the air deflector 4 is fixed, and finally the dust collection box 24 is connected to the outside of the power distribution cabinet body 1 in a bolted manner, so that the bottom end of the dust collection pipe 13 is inserted into the dust inlet pipe 25, and the heat dissipation structure is installed, so that the installation and the disassembly are convenient, and the later maintenance is convenient;
in the daily use process, external natural wind enters the wind guide arc channel 12 in the wind guide block 10 through the wind inlet bevel opening 8 on the wind guide plate 4, the wind guide arc channel 12 guides the wind direction of the entered natural wind, so that the natural wind is discharged into the wind dispersion elbow pipe 5 through the filter screen cover 7 and the filter screen cylinder 6 respectively and finally discharged into the power distribution cabinet body 1 for heat dissipation treatment, the filter screen cover 7 and the filter screen cylinder 6 carry out double-layer filtration treatment on sand and dust in the natural wind, the filtered sand and dust slide down to the dust guide sloping plate 11 under the action of gravity and the wind guide arc channel 12 of an arc structure, the dust guide sloping plate 11 discharges the fallen sand and dust into the dust collection pipe 13 through the dust inlet 22, the dust collection pipe 13 discharges the collected sand and dust into the dust collection box 24 for storage through the dust inlet 25, and a maintainer only needs to open the sealing cover on the cleaning opening 26 regularly to clean the stored sand and dust, have and guide the storage with filterable sand and dust, reduced filter screen section of thick bamboo 6 and filter screen panel 7 and piled up the volume of sand and dust, and then improved the radiating efficiency to the distribution cabinet body 1.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.
Claims (5)
1. The utility model provides a heat radiation structure of electric power cabinet, includes the switch board body (1) and sets up wind-guiding mouth (2) on its both sides wall, its characterized in that: an air diffuser (3) and an air deflector (4) are respectively arranged on the inner wall of the air guide opening (2) on one side, a plurality of air diffuser bent pipes (5) are communicated on the air diffuser (3), a filter screen cylinder (6) is arranged at the air inlet end of each air diffuser bent pipe (5), a filter screen cover (7) is arranged at the bottom end of each filter screen cylinder (6), an assembling and disassembling component is arranged between the air deflector (4) and the distribution cabinet body (1), a plurality of air inlet inclined openings (8) are arranged on the outer wall of the air deflector (4), a rain shield (9) is arranged at the upper end of the outer side of each air inlet inclined opening (8), a flow guide block (10) and a dust guide inclined plate (11) are respectively arranged at the upper end and the lower end of the inner side of each flow guide block (10), an air guide arc channel (12) is communicated on the top wall and one side wall of each air guide block (10), the filter screen cylinder (6) is inserted in the air guide arc channel (12), and a dust collection pipe (13) is arranged on the inner side wall of the air deflector (4), the bottom end of the dust guide sloping plate (11) is communicated with the dust collecting pipe (13).
2. The heat dissipation structure of an electric power cabinet according to claim 1, wherein: a heat dissipation hole screen plate (14) is arranged in the air guide opening (2) on the other side, the air guide plate (4) is located on the outer side of the air dissipation plate (3), the cross section of the air dissipation bent pipe (5) is of an inverted L-shaped structure, the air outlet end of the air dissipation bent pipe (5) is horn-shaped, the air outlet end of the air dissipation bent pipe (5) is located in the power distribution cabinet body (1), and the outer portion of the filter screen cylinder (6) is of an isosceles trapezoid structure.
3. The heat dissipation structure of an electric power cabinet according to claim 1, wherein: the mounting and dismounting assembly comprises a connecting block (15) arranged on the bottom end face of the air guide plate (4), a slot (16) and a step opening (17) are respectively arranged on the inner walls of the upper end and the lower end of the air guide opening (2) on one side, two ends of the air guide plate (4) are respectively inserted into the slot (16) and the step opening (17), a threaded hole (18) is formed in the inner side wall of the slot (16), a locking bolt (19) is connected to the threaded hole (18) in an internal thread manner, a clamping plate (20) is arranged on the top wall of the step surface on the inner side of the step opening (17), a clamping groove (21) is formed in the upper end face of the connecting block (15) corresponding to the clamping plate (20), and the clamping plate (20) is inserted into the clamping groove (21).
4. The heat dissipation structure of an electric power cabinet according to claim 1, wherein: the included angle between the central line direction of the rain shielding plate (9) and the horizontal line direction of the air deflector (4) is 20-50 degrees, the cross section of the dust guide sloping plate (11) is of an L-shaped structure, the side wall of the dust guide sloping plate (11) is connected with the bottom end face of the flow guide block (10), and the air inlet end of the air guide arc channel (12) is positioned on one side of the air outlet end of the air inlet sloping port (8).
5. The heat dissipation structure of an electric power cabinet according to claim 1, wherein: the dust collection cabinet is characterized in that a plurality of dust inlet openings (22) are formed in the outer wall of the dust collection pipe (13), the bottom end of the dust guide inclined plate (11) is arranged on the outer end face of the dust inlet opening (22), through holes (23) are formed in the outer wall of the air deflector (4), the bottom end of the dust collection pipe (13) is in a bent pipe shape, the bottom end of the dust collection pipe (13) penetrates through the through holes (23), a dust collection box (24) is arranged outside the power distribution cabinet body (1), a dust inlet pipe (25) is arranged above the side wall of the dust collection box (24), the extending end of the bottom end of the dust collection pipe (13) penetrates through the dust inlet pipe (25), the outer side of the bottom end of the dust collection pipe (13) is located in the dust collection box (24), a cleaning opening (26) is formed in the side wall of the bottom end of the dust collection box (24), and the cleaning opening (26) is sealed through a sealing cover rotatably connected with the dust collection box (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121078759.3U CN214590136U (en) | 2021-05-20 | 2021-05-20 | Heat radiation structure of electric power cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121078759.3U CN214590136U (en) | 2021-05-20 | 2021-05-20 | Heat radiation structure of electric power cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214590136U true CN214590136U (en) | 2021-11-02 |
Family
ID=78362606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121078759.3U Active CN214590136U (en) | 2021-05-20 | 2021-05-20 | Heat radiation structure of electric power cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214590136U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024199602A1 (en) | 2023-03-28 | 2024-10-03 | Kk Wind Solutions A/S | An electrical conductor with integrated air guides |
-
2021
- 2021-05-20 CN CN202121078759.3U patent/CN214590136U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024199602A1 (en) | 2023-03-28 | 2024-10-03 | Kk Wind Solutions A/S | An electrical conductor with integrated air guides |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214590136U (en) | Heat radiation structure of electric power cabinet | |
| CN218296095U (en) | Purification module of tilting filter screen | |
| CN216897716U (en) | Lifting laminar flow hood | |
| CN209829269U (en) | Electrostatic industrial oil fume purifying equipment | |
| CN210866860U (en) | Energy-conserving dustproof electric power cabinet of low pressure | |
| CN212618852U (en) | Heating device for indoor dehumidification | |
| CN217037768U (en) | Inverter air inlet device and inverter | |
| CN210345586U (en) | Air duct system of integrated stove | |
| CN207493388U (en) | A kind of self-cleaning air filter | |
| CN112710029A (en) | Air conditioner air cabinet with air inlet flow guide structure | |
| CN220250737U (en) | Sand-proof dust grid mesh for closed cooling tower | |
| CN220649215U (en) | Impurity removal grating plate of air conditioner cooling water tower | |
| CN213362601U (en) | Intelligent frequency conversion oil fume removing hood | |
| CN212166792U (en) | Oil gas filtering device for marine oil mist box | |
| CN216600557U (en) | Protection device convenient to install for electronic engineering external power supply | |
| CN217428601U (en) | Data center modularization computer lab engineering machine room cooling device | |
| CN215284427U (en) | Fill electric pile with ventilation unit | |
| CN216905670U (en) | Communication mode conversion board for elevator intelligent gateway | |
| CN219333558U (en) | Oil smoke separation structure, lampblack absorber and integrated kitchen | |
| CN214852519U (en) | Cabinet and waterproof ventilation structure | |
| CN212618686U (en) | Fresh air conditioner | |
| CN219733512U (en) | Environment-friendly diesel generator set | |
| CN221614494U (en) | Outlet cabinet with dustproof function | |
| CN214809198U (en) | Cabinet type filtering oil tank | |
| CN219741115U (en) | Industrial control cabinet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |