CN220475231U - Dustproof low-voltage power distribution cabinet of cooling - Google Patents
Dustproof low-voltage power distribution cabinet of cooling Download PDFInfo
- Publication number
- CN220475231U CN220475231U CN202320466493.2U CN202320466493U CN220475231U CN 220475231 U CN220475231 U CN 220475231U CN 202320466493 U CN202320466493 U CN 202320466493U CN 220475231 U CN220475231 U CN 220475231U
- Authority
- CN
- China
- Prior art keywords
- dust
- cooling
- dustproof
- electric telescopic
- power distribution
- 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
- 238000001816 cooling Methods 0.000 title claims abstract description 50
- 239000000428 dust Substances 0.000 claims abstract description 115
- 238000004140 cleaning Methods 0.000 claims abstract description 71
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 230000010405 clearance mechanism Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 19
- 238000007599 discharging Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000005286 illumination 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
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model relates to the technical field of power distribution cabinets and discloses a cooling and dustproof low-voltage power distribution cabinet which comprises a cooling and dustproof mechanism, wherein a cleaning mechanism is arranged outside the cooling and dustproof mechanism, the cooling and dustproof mechanism comprises a power distribution cabinet body, an exhaust fan is arranged on the back surface of the power distribution cabinet body, a dustproof frame is arranged on the back surface of the exhaust fan, one end of the dustproof frame is fixedly communicated with a closing shell, a first electric telescopic rod is fixedly connected inside the closing shell, one end of the first electric telescopic rod is provided with a baffle, sealing base plates are fixedly connected on the left side and the right side of the baffle, and a first dustproof net is arranged on the back surface of the dustproof frame; when too much needs of first dust screen dust clear up, separate first dust screen and exhaust fan, through sealed backing plate for seal effect is better, reaches when avoiding the first dust screen of clearance, and the dust directly gets into the effect in the switch board.
Description
Technical Field
The utility model discloses a cooling and dust-proof low-voltage power distribution cabinet, and relates to the technical field of power distribution cabinets.
Background
The rated current of the low-voltage power distribution cabinet is 50Hz, and a power distribution system with the rated voltage of 380v is used as power, and the power conversion and control of illumination and power distribution are realized. The product has the characteristics of strong breaking capacity, good dynamic and thermal stability, flexible electric scheme, convenient combination, strong seriality and practicability, novel structure and the like,
according to the dustproof low-voltage power distribution cabinet of cooling disclosed in China patent publication No. CN217589940U, the device is provided with the movable plate on the outer wall of the installation base, and dustproof treatment is carried out on the installation base through the filter plate on the movable plate, so that a large amount of dust is prevented from being carried out in the main body of the low-voltage power distribution cabinet, and the detachable design movable plate is convenient for cleaning the filter plate, so that the normal use of the exhaust fan is ensured.
But the device is when using, needs often change and clearance filter, when changing and clearance, and the filter is taken away, and exhaust fan department does not protect, and in the switch board was got into from exhaust fan department very easily to the dust when the switch board was operated for in the switch board fallen the ash.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the low-voltage power distribution cabinet which is cooled and dustproof, when the first dust screen is too much to clean, the first dust screen is separated from the exhaust fan, and the sealing effect is better through the sealing backing plate, so that the effect that dust directly enters the power distribution cabinet when the first dust screen is cleaned is avoided.
The purpose of the utility model is realized in the following way:
a dustproof low voltage power distribution cabinet of cooling, includes: the device comprises a cooling dustproof mechanism and a cleaning mechanism, wherein the cleaning mechanism is arranged outside the cooling dustproof mechanism;
when the cooling is dustproof, the cooling dustproof mechanism is used for cooling the power distribution cabinet body at the moment, and the cleaning mechanism is used for cleaning dust conveniently, so that the cooling dustproof and dust cleaning operation is completed.
The cooling dustproof mechanism includes: the power distribution cabinet comprises a power distribution cabinet body, an exhaust fan, a dustproof frame, a closing shell, a first electric telescopic rod, a baffle, sealing backing plates, a first dustproof net, radiating pipes and a second dustproof net, wherein the exhaust fan is arranged on the back surface of the power distribution cabinet body, the dustproof frame is arranged on the back surface of the exhaust fan, one end of the dustproof frame is fixedly communicated with the closing shell, the first electric telescopic rod is fixedly connected with the inside of the closing shell, the baffle is arranged at one end of the first electric telescopic rod, the sealing backing plates are fixedly connected to the left side and the right side of the baffle, the first dustproof net is arranged on the back surface of the dustproof frame, the radiating pipes are fixedly communicated with the bottom of the dustproof frame, and the second dustproof net is arranged at one end of each radiating pipe;
when the dustproof time of needs cooling, this internal heat of switch board is dissipated through the exhaust fan this moment, the positive first dust screen of rethread dust-proof frame is dustproof, avoid the dust to get into, when the too much needs clearance of first dust screen dust, at this moment, promote sealed backing plate through starting the first electric telescopic handle that closes in the shell, and then drive the baffle and move towards the inside of dust-proof frame, thereby separate first dust screen and exhaust fan, through sealed backing plate, make and seal the effect better, the dust drops and get into the exhaust fan when avoiding first dust screen clearance, the rethread is opened the control valve and is link up the cooling tube, hot gas can be discharged from the cooling tube when making first dust screen clearance, prevent that the dust from getting into from the cooling tube through the second dust screen, rethread clearance mechanism is to first dust screen clearance dust, improve the radiating effect of exhaust fan, thereby accomplish the dustproof operation of cooling, the effect in the direct entering cabinet of dust is avoided clearing up first dust screen.
The cleaning mechanism includes: the cleaning device comprises a cleaning groove, a cleaning shell, a second electric telescopic rod, a cleaning block, a cleaning brush, a blower, an air suction pipe, an ash discharge pipe, a third electric telescopic rod and a collecting box, wherein the second electric telescopic rod is fixedly connected to the interior of the cleaning groove, the cleaning block is fixedly connected to the bottom of the second electric telescopic rod, the cleaning brush is arranged on the back of the cleaning block, the third electric telescopic rod is fixedly connected to the interior of the cleaning shell, the collecting box is fixedly connected to the bottom of the third electric telescopic rod, the blower is mounted at the top of the collecting box, the air suction pipe is fixedly communicated with the front face of the blower, and the ash discharge pipe is fixedly communicated with the bottom of the blower;
when needing to clear up the dust, drive the clearance piece through the second electric telescopic handle that starts the clearance inslot this moment and descend, and then drive the clearance brush and descend and carry out the dust clearance to first dust screen, start the third electric telescopic handle simultaneously and drive and collect the box decline, the rethread starts the air-blower and drives the aspiration channel and suck the dust that the brush falls, the rethread goes out the ash pipe and discharges the dust into collect in the box to accomplish the operation of clearance dust, reach the convenient effect of clearance.
Preferably, two exhaust fans are arranged, and the two exhaust fans are respectively arranged on the left side and the right side of the back of the power distribution cabinet body.
Preferably, the first electric telescopic rod is provided with a plurality of first electric telescopic rods, and one end of each first electric telescopic rod is fixedly connected with one end of the sealing base plate.
Preferably, the height of the baffle is matched with the height of the inside of the dustproof frame, and a control valve is arranged outside the radiating pipe.
Preferably, the cleaning groove is formed in the top of the inside of the dustproof frame, and the cleaning shell is fixedly connected to the back of the dustproof frame.
Preferably, the length of the cleaning block is matched with the length of the first dust screen, and the back of the cleaning brush is attached to the back of the first dust screen.
Preferably, the air suction pipe is in a fork shape, an air suction nozzle is fixedly communicated with the front surface of the air suction pipe, and the ash outlet pipe penetrates through the collecting box and extends to the inside of the collecting box.
The beneficial effects are that:
the first, the utility model is through the heat dissipation in the switch board body of exhaust fan, the dust-proof of the first dust screen of the front of the dustproof frame of rethread avoids the dust to get into, when the dust of first dust screen is too much to need to clear up, through starting to close the first electric telescopic link in the shell and promote the sealed backing plate at this moment, and then drive the baffle to move towards the inside of dustproof frame, thus separate first dust screen and exhaust fan, through the sealed backing plate, make the sealed effect better, avoid the dust to drop and get into the exhaust fan when the first dust screen is cleared up, the rethread opens the control valve and link up the cooling tube, make the steam can be discharged from the cooling tube when the first dust screen is cleared up, prevent the dust from getting into from the cooling tube through the second dust screen, rethread cleaning mechanism clear up the dust to the first dust screen, thereby accomplish the operation of cooling dustproof, the effect that the dust directly gets into the switch board when avoiding clearing up first dust screen.
The second electric telescopic rod in the cleaning groove is started to drive the cleaning block to descend, so that the cleaning brush is driven to descend to clean dust on the first dust screen, the third electric telescopic rod is started to drive the collecting box to descend, the blower is started to drive the air suction pipe to suck the brushed dust, and the dust is discharged into the collecting box through the ash discharge pipe, so that dust cleaning operation is completed, and the effect of convenience in cleaning is achieved.
Drawings
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a perspective view of a cleaning housing of the present utility model;
FIG. 3 is a cross-sectional view of a cooling and dust-proof mechanism of the present utility model;
FIG. 4 is a cross-sectional view of a cleaning mechanism of the present utility model;
FIG. 5 is a cross-sectional view of a purge housing of the present utility model.
Wherein: 1. a cooling and dust-proof mechanism; 2. a cleaning mechanism; 11. a power distribution cabinet body; 12. an exhaust fan; 13. a dust-proof frame; 14. closing the shell; 15. a first electric telescopic rod; 16. a baffle; 17. a sealing backing plate; 18. a first dust screen; 19. a heat radiating pipe; 101. a second dust screen; 102. a control valve; 21. cleaning the groove; 22. cleaning the shell; 23. a second electric telescopic rod; 24. cleaning the block; 25. cleaning brushes; 26. a blower; 27. an air suction pipe; 28. an ash discharging pipe; 29. a third electric telescopic rod; 201. an air suction nozzle; 202. and a collection box.
Detailed Description
The following detailed description of the utility model will be given with reference to the accompanying drawings.
The embodiment mode is lower in temperature and dust reducing low-voltage power distribution cabinet, as shown in figures 1-5, and comprises: the cooling dustproof mechanism 1 and the cleaning mechanism 2 are arranged outside the cooling dustproof mechanism 1;
when the cooling is dustproof, cooling dustproof mechanism 1 is used for cooling dustproof power distribution cabinet body 11, and cleaning mechanism 2 is used for cleaning dust conveniently, so that cooling dustproof and dust cleaning operation is completed.
The cooling dustproof mechanism 1 includes: the power distribution cabinet comprises a power distribution cabinet body 11, an exhaust fan 12, a dustproof frame 13, a closing shell 14, a first electric telescopic rod 15, a baffle 16, a sealing backing plate 17, a first dustproof net 18, a radiating pipe 19 and a second dustproof net 101, wherein the exhaust fan 12 is arranged on the back of the power distribution cabinet body 11, the dustproof frame 13 is arranged on the back of the exhaust fan 12, one end of the dustproof frame 13 is fixedly communicated with the closing shell 14, the first electric telescopic rod 15 is fixedly connected to the interior of the closing shell 14, one end of the first electric telescopic rod 15 is provided with the baffle 16, the sealing backing plate 17 is fixedly connected to the left side and the right side of the baffle 16, the first dustproof net 18 is arranged on the back of the dustproof frame 13, the radiating pipe 19 is fixedly communicated with the bottom of the dustproof frame 13, and the second dustproof net 101 is arranged at one end of the radiating pipe 19;
when the cooling and dust prevention are needed, heat in the power distribution cabinet body 11 is dissipated through the exhaust fan 12, the first dust screen 18 on the front face of the dust screen 13 is dustproof, dust is prevented from entering, when excessive dust of the first dust screen 18 needs to be cleaned, the sealing backing plate 17 is pushed through the first electric telescopic rod 15 in the starting closing shell 14, the baffle 16 is driven to move towards the inside of the dust screen 13, the first dust screen 18 and the exhaust fan 12 are separated, the sealing backing plate 17 is used for achieving better sealing effect, dust falls into the exhaust fan 12 when the first dust screen 18 is cleaned, the control valve 102 is opened to penetrate through the radiating pipe 19, hot air can be exhausted from the radiating pipe 19 when the first dust screen 18 is cleaned, dust is prevented from entering from the radiating pipe 19 through the second dust screen 101, the dust is cleaned through the cleaning mechanism 2, the radiating effect of the fan 12 is improved, the cooling and dust prevention operation is completed, and the effect of directly entering the power distribution cabinet when the first dust screen 18 is cleaned is avoided.
The cleaning mechanism 2 includes: the cleaning device comprises a cleaning groove 21, a cleaning shell 22, a second electric telescopic rod 23, a cleaning block 24, a cleaning brush 25, a blower 26, an air suction pipe 27, an ash discharge pipe 28, a third electric telescopic rod 29 and a collecting box 202, wherein the second electric telescopic rod 23 is fixedly connected to the inside of the cleaning groove 21, the cleaning block 24 is fixedly connected to the bottom of the second electric telescopic rod 23, the cleaning brush 25 is arranged on the back surface of the cleaning block 24, the third electric telescopic rod 29 is fixedly connected to the inside of the cleaning shell 22, the collecting box 202 is fixedly connected to the bottom of the third electric telescopic rod 29, the blower 26 is installed at the top of the collecting box 202, the air suction pipe 27 is fixedly communicated with the front surface of the blower 26, and the ash discharge pipe 28 is fixedly communicated with the bottom of the blower 26;
when the dust needs to be cleaned, the second electric telescopic rod 23 in the cleaning groove 21 is started to drive the cleaning block 24 to descend, the cleaning brush 25 is driven to descend to clean the dust on the first dust screen 18, the third electric telescopic rod 29 is started to drive the collecting box 202 to descend, the air blower 26 is started to drive the air suction pipe 27 to suck the brushed dust, and the ash discharge pipe 28 is used for discharging the dust into the collecting box 202, so that the dust cleaning operation is completed, and the effect of cleaning convenience is achieved.
Specifically, two exhaust fans 12 are provided, and the two exhaust fans 12 are respectively disposed on the left and right sides of the back surface of the power distribution cabinet body 11.
Through above-mentioned technical scheme for two exhaust fans 12 improve the radiating effect, make the radiating effect of switch board body 11 better.
Specifically, the first electric telescopic rods 15 are provided in plurality, and one ends of the first electric telescopic rods 15 are fixedly connected with one ends of the sealing backing plates 17.
Through the technical scheme, the first electric telescopic rod 15 can push the sealing base plate 17 and further push the baffle 16 to separate the dustproof frame 13.
Specifically, the height of the baffle 16 is adapted to the height of the inside of the dust-proof frame 13, and the control valve 102 is provided outside the radiating pipe 19.
Through the above technical scheme, the baffle 16 can fully separate the dustproof frame 13, and the radiating pipe 19 is controlled by the control valve 102, so that the radiating pipe 19 can be closed when the radiating pipe 19 is not used, and dust is prevented from entering.
Specifically, the cleaning groove 21 is formed in the top of the dust-proof frame 13, and the cleaning shell 22 is fixedly connected to the back of the dust-proof frame 13.
Through above-mentioned technical scheme for cleaning brush 25 in the clearance groove 21 can be followed inside and cleared up first dust screen 18, and the aspiration channel 27 in the clearance shell 22 can be followed outside and absorb the dust, makes the dust brush just be absorbed when falling, avoids the dust to scatter around.
Specifically, the length of the cleaning block 24 is adapted to the length of the first dust screen 18, and the back surface of the cleaning brush 25 is attached to the back surface of the first dust screen 18.
Through above-mentioned technical scheme for cleaning brush 25 can clear up the dust to first dust screen 18 comprehensively.
Specifically, the air suction pipe 27 is configured in a split shape, the front surface of the air suction pipe 27 is fixedly connected with an air suction nozzle 201, and the ash discharge pipe 28 penetrates through the collecting box 202 and extends to the inside of the collecting box 202.
Through the above technical scheme, a plurality of air suction nozzles 201 can be arranged to improve the dust suction range, and dust can be input into the collecting box 202 through the dust outlet pipe 28.
When the novel power distribution cabinet is used, heat in the power distribution cabinet body 11 is dissipated through the exhaust fan 12, the first dust screen 18 on the front face of the dust screen 13 is dustproof, dust is prevented from entering, when the dust on the first dust screen 18 is too much to be cleaned, the first electric telescopic rod 15 in the closing shell 14 is started to push the sealing base plate 17, the baffle 16 is driven to move towards the inside of the dust screen 13, the first dust screen 18 and the exhaust fan 12 are separated, the sealing base plate 17 is used for achieving a better sealing effect, dust is prevented from falling into the exhaust fan 12 when the first dust screen 18 is cleaned, the control valve 102 is opened to penetrate through the radiating pipe 19, hot air can be exhausted from the radiating pipe 19 when the first dust screen 18 is cleaned, dust is prevented from entering from the radiating pipe 19 through the second dust screen 101, the cleaning mechanism 2 is used for cleaning the dust on the first dust screen 18, the radiating effect of the exhaust fan 12 is improved, and therefore the cooling and dust is prevented from directly entering the power distribution cabinet when the first dust screen 18 is cleaned.
Although particular embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations may be made therein without departing from the principles and spirit thereof, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A dustproof low voltage power distribution cabinet of cooling, includes: dustproof mechanism (1) and clearance mechanism (2) of cooling, its characterized in that: the cleaning mechanism (2) is arranged outside the cooling and dustproof mechanism (1);
the cooling dustproof mechanism (1) comprises: switch board body (11), exhaust fan (12), dustproof frame (13), close shell (14), first electric telescopic handle (15), baffle (16), sealed backing plate (17), first dust screen (18), cooling tube (19) and second dust screen (101), the back side mounting of switch board body (11) has exhaust fan (12), the back side mounting of exhaust fan (12) has dustproof frame (13), the fixed intercommunication of one end of dustproof frame (13) has closes shell (14), the inside fixedly connected with first electric telescopic handle (15) of closing shell (14), the one end of first electric telescopic handle (15) is provided with baffle (16), the equal fixedly connected with sealed backing plate (17) in the left and right sides of baffle (16), the back of dustproof frame (13) is provided with first dust screen (18), the fixed intercommunication in bottom of dustproof frame (13) has cooling tube (19), second dust screen (101) are installed to the one end of cooling tube (19).
The cleaning mechanism (2) comprises: cleaning tank (21), clearance shell (22), second electric telescopic handle (23), clearance piece (24), clearance brush (25), air-blower (26), aspiration channel (27), play ash pipe (28), third electric telescopic handle (29) and collection box (202), the inside fixedly connected with second electric telescopic handle (23) of clearance groove (21), the bottom fixedly connected with clearance piece (24) of second electric telescopic handle (23), the back of clearance piece (24) is provided with clearance brush (25), the inside fixedly connected with third electric telescopic handle (29) of clearance shell (22), the bottom fixedly connected with collection box (202) of third electric telescopic handle (29), air-blower (26) are installed at the top of collection box (202), the front fixedly connected with aspiration channel (27) of air-blower (26), the bottom fixedly connected with ash pipe (28) of air-blower (26).
2. The cooling and dust-proof low-voltage power distribution cabinet according to claim 1, wherein: two exhaust fans (12) are arranged, and the two exhaust fans (12) are respectively arranged on the left side and the right side of the back of the power distribution cabinet body (11).
3. The cooling and dust-proof low-voltage power distribution cabinet according to claim 1, wherein: the electric telescopic device is characterized in that a plurality of first electric telescopic rods (15) are arranged, and one ends of the first electric telescopic rods (15) are fixedly connected with one ends of sealing base plates (17).
4. The cooling and dust-proof low-voltage power distribution cabinet according to claim 1, wherein: the height of the baffle (16) is matched with the height of the inside of the dustproof frame (13), and a control valve (102) is arranged outside the radiating pipe (19).
5. The cooling and dust-proof low-voltage power distribution cabinet according to claim 1, wherein: the cleaning groove (21) is formed in the top of the inside of the dustproof frame (13), and the cleaning shell (22) is fixedly connected to the back of the dustproof frame (13).
6. The cooling and dust-proof low-voltage power distribution cabinet according to claim 1, wherein: the length of the cleaning block (24) is matched with the length of the first dust screen (18), and the back of the cleaning brush (25) is attached to the back of the first dust screen (18).
7. The cooling and dust-proof low-voltage power distribution cabinet according to claim 1, wherein: the suction pipe (27) is in a forked shape, the suction nozzle (201) is fixedly communicated with the front surface of the suction pipe (27), and the ash outlet pipe (28) penetrates through the collecting box (202) and extends to the inside of the collecting box (202).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202320466493.2U CN220475231U (en) | 2023-03-13 | 2023-03-13 | Dustproof low-voltage power distribution cabinet of cooling |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202320466493.2U CN220475231U (en) | 2023-03-13 | 2023-03-13 | Dustproof low-voltage power distribution cabinet of cooling |
Publications (1)
Publication Number | Publication Date |
---|---|
CN220475231U true CN220475231U (en) | 2024-02-09 |
Family
ID=89799714
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202320466493.2U Active CN220475231U (en) | 2023-03-13 | 2023-03-13 | Dustproof low-voltage power distribution cabinet of cooling |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN220475231U (en) |
-
2023
- 2023-03-13 CN CN202320466493.2U patent/CN220475231U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN108054906A (en) | A kind of frequency converter dust-proof radiating structure | |
CN108401198B (en) | Special converter case of large-scale stereo set | |
CN112448294B (en) | Operation safety protection device for power equipment | |
CN106000999A (en) | Self-dust-removing computer | |
CN109861096A (en) | A kind of dust control by ventilation power distribution cabinet | |
CN114725783A (en) | Intelligent digital display type power control switch cabinet based on PLC platform | |
CN115425530A (en) | Indoor heat dissipation dust collector of high voltage substation | |
CN115275806A (en) | High-efficient heat dissipation type regulator cubicle | |
CN220475231U (en) | Dustproof low-voltage power distribution cabinet of cooling | |
CN215528212U (en) | Network engineering electric power cabinet with cleaning device | |
CN220461697U (en) | Automatic dust removal structure of electromechanical cabinet | |
CN220090955U (en) | Air purifying mechanism of hot air dryer | |
CN208628005U (en) | A kind of pharmaceutical factory's electrical engineering equipment dust-extraction unit | |
CN212916711U (en) | Cleaning device for power equipment | |
CN210430583U (en) | Distribution box | |
CN211090374U (en) | Pulse control cabinet convenient for dust removal | |
CN210801321U (en) | Anti-collision head range hood | |
CN212210072U (en) | Intelligent electric control cabinet | |
CN219086504U (en) | Dust type block terminal | |
CN214852551U (en) | Self-service payment machine heat abstractor of hospital | |
CN216085930U (en) | Indoor high-voltage alternating-current metal armored movable switch equipment | |
CN221226942U (en) | Cooling and heat dissipation mechanism of high-voltage cabinet | |
CN219513535U (en) | Ventilated low-voltage power cabinet | |
CN218161411U (en) | Heat dissipation protection device of coal mine electromechanical device | |
CN215951526U (en) | High-efficient intelligent collection petticoat pipe |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |