CN210298252U - Electrical cabinet with waterproof, moistureproof and dedusting functions - Google Patents

Electrical cabinet with waterproof, moistureproof and dedusting functions Download PDF

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Publication number
CN210298252U
CN210298252U CN201920292376.2U CN201920292376U CN210298252U CN 210298252 U CN210298252 U CN 210298252U CN 201920292376 U CN201920292376 U CN 201920292376U CN 210298252 U CN210298252 U CN 210298252U
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China
Prior art keywords
cabinet
frame
extreme
waterproof
air
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CN201920292376.2U
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Chinese (zh)
Inventor
刘美华
何雪冰
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Hunan Institute of Engineering
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Hunan Institute of Engineering
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Priority to CN201920292376.2U priority Critical patent/CN210298252U/en
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Abstract

The utility model discloses a regulator cubicle with dampproofing and waterproofing dust removal function, including the cabinet body, linking frame, fixed cover, stay tube, aspiration pump, outlet duct, lid and fixed block, cabinet body lower extreme all is equipped with buffer base all around, cabinet body left and right sides symmetry is equipped with a plurality of air vents. The utility model has reasonable structural design, is provided with the buffer base, is beneficial to the whole device to carry out buffer protection, and avoids the whole device from being vibrated too much to influence the whole stability of the device; the heating plate and the third exhaust fan are arranged, so that the damp-proof drying treatment of the interior of the cabinet body is facilitated, and moisture is prevented from entering the interior of the cabinet body and then decaying the internal equipment; the dust removal mechanism is arranged, so that dust is prevented from being attached to the electrical equipment to influence ventilation and heat dissipation of the heating element, and the service life of the electrical equipment is shortened; set up sealed lid and cylinder, be favorable to avoiding rainy weather rainwater from the internal portion of connecting frame inboard infiltration cabinet, when avoiding weather clear simultaneously, the unable normal dampproofing use of ventilating of third air exhauster.

Description

Electrical cabinet with waterproof, moistureproof and dedusting functions
Technical Field
The utility model relates to an electrical cabinet specifically is an electrical cabinet with dampproofing and waterproofing dust removal function.
Background
The electrical cabinet is a cabinet which is processed by steel materials and used for protecting components from working normally. The electrical cabinet manufacturing materials are generally divided into hot rolled steel plates and cold rolled steel plates. The cold-rolled steel sheet is softer than hot-rolled steel sheet, more is fit for the preparation of regulator cubicle. The electric cabinet is widely used in chemical industry, environmental protection industry, electric power system, metallurgical system, industry, nuclear power industry, fire safety monitoring, traffic industry and the like.
The inside a large amount of dusts that can gather after current regulator cubicle uses for a long time, after the dust got into the regulator cubicle, the dust was attached to electrical equipment easily, influence heating element's ventilation cooling, when serious, can cause electrical equipment to appear trouble such as short circuit, ground connection even, reduce electrical equipment's life, current regulator cubicle dampproofing effect is relatively poor moreover, meet the condition in rainy day, rainwater or moisture can get into the interior corruption equipment of cubical switchboard through air inlet department.
Therefore, a person skilled in the art provides an electrical cabinet with waterproof, moistureproof and dust removal functions to solve the problems in the background art.
Disclosure of Invention
An object of the utility model is to provide an regulator cubicle with dampproofing and waterproofing dust removal function to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
an electric cabinet with waterproof, moistureproof and dedusting functions comprises a cabinet body, a connecting frame, a fixing sleeve, a supporting tube, an air extracting pump, an air outlet tube, a cover body and a fixing block, wherein a buffering base is arranged on the periphery of the lower end of the cabinet body, a plurality of vent holes are symmetrically formed in the left side and the right side of the cabinet body, air guide tubes are arranged on the side walls of the cabinet body at the vent holes, the vent holes are communicated with the air guide tubes, a fixing cover is arranged at the lower end of the air guide tubes, a first exhaust fan is arranged at the lower portion of the inner side of each air guide tube, a humidity sensor is arranged at the upper portion of the right side wall of the cabinet body, a dedusting mechanism is arranged at the upper portion of the left side wall of the cabinet body, a visible window is arranged at the upper portion of the front side, the utility model discloses a solar air conditioner, including lid, sealed lid, fixed frame, air pump, air outlet pipe, sealing cover lower extreme middle part and sealing washer, lid lower extreme middle part is equipped with sealed lid, sealed lid lower extreme middle part is equipped with the hot plate, sealed lid lower extreme edge is equipped with the sealing washer, cabinet body upper end middle part is equipped with the carriage, the carriage inboard is equipped with the connection box, the inboard upper portion of carriage is equipped with fixed frame, fixed frame lower extreme middle part is equipped with the third air exhauster, the inboard lower part of cabinet is equipped with the baffle, baffle upper end middle part is equipped with the dust cage, the one end of stay tube is connected through fixed cover to the dust cage lower extreme, the air inlet of aspiration pump is.
As a further aspect of the present invention: the fixed frame comprises a frame body, a supporting rod, a first filter screen and a fixed ring frame, the frame body is arranged on the upper portion of the inner side of the connecting frame, the inner side of the frame body is connected with the fixed ring frame through the supporting rod, a third exhaust fan is arranged in the middle of the fixed ring frame, and the first filter screen is arranged between the fixed ring frame and the frame body.
As a further aspect of the present invention: the dust removal mechanism comprises a shell, a motor frame, a circulating pipe, a rotating shaft, a chain and a flow dividing pipe, wherein the shell is arranged on the upper part of the left side wall of the cabinet body, an air inlet pipe is arranged on the left side of the upper end of the shell, a second filter screen is arranged on the upper part of the inner side of the shell, a second exhaust fan is arranged on the lower part of the inner side of the shell, one end of the second exhaust fan is close to the second filter screen, and the other end of the second exhaust fan is connected; the motor frame symmetry sets up at the fixed block lower extreme, motor frame inboard is equipped with the motor, the motor shaft of motor passes motor frame and cover and is equipped with the driving gear, the pivot sets up in cabinet internal side lower part, lateral wall symmetrical cover is equipped with driven gear about the pivot, the driving gear passes through chain interconnect with driven gear, is located about the chain lateral wall all overlaps and is equipped with the mounting, is located about be equipped with the shunt tubes between the mounting, the equidistant a plurality of shower nozzles that are equipped with of shunt tubes lower extreme, the other end of runner pipe is connected to the shunt tubes upper end.
As a further aspect of the present invention: and a second electromagnetic valve is arranged in the middle of the circulating pipe.
As a further aspect of the present invention: the buffer base comprises a bottom column, a limiting plate, an outer shell and a spring, wherein the bottom column is arranged around the lower end of the cabinet body, the limiting plate is arranged at the lower end of the bottom column, the outer shell is sleeved on the lower portion of the side wall of the bottom column, and the spring is arranged between the lower end of the inner side of the outer shell and the limiting plate.
As a further aspect of the present invention: the middle of the vent hole is provided with a filter screen, and the middle of the inner side of the fixed sleeve is provided with the filter screen.
As a further aspect of the present invention: the surface of the cabinet body is provided with an anti-corrosion zinc coating.
As a further aspect of the present invention: the model of the humidity sensor is CL-M53R, the models of the first exhaust fan, the second exhaust fan and the third exhaust fan are Y5-47, the models of the first electromagnetic valve and the second electromagnetic valve are ZCB-1/200Hz, the model of the motor is YD160L-4/2, and the model of the air pump is DA45 EEDC.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model has reasonable structural design, is provided with the buffer base, is beneficial to the whole device to carry out buffer protection, and avoids the whole device from being vibrated too much to influence the whole stability of the device; the heating plate and the third exhaust fan are arranged, so that the damp-proof drying treatment of the interior of the cabinet body is facilitated, and moisture is prevented from entering the interior of the cabinet body and then decaying the internal equipment; the dust removal mechanism is arranged, so that dust is prevented from being attached to the electrical equipment to influence ventilation and heat dissipation of the heating element, and the service life of the electrical equipment is shortened; set up sealed lid and cylinder, be favorable to avoiding rainy weather rainwater from the internal portion of connecting frame inboard infiltration cabinet, when avoiding weather clear simultaneously, the unable normal dampproofing use of ventilating of third air exhauster.
Drawings
Fig. 1 is a schematic structural diagram of an electrical cabinet with waterproof, moistureproof and dedusting functions.
Fig. 2 is a front view of an electrical cabinet with waterproof, moisture-proof and dust-removing functions.
Fig. 3 is a schematic structural diagram of a component in an electrical cabinet with waterproof, moistureproof and dust removal functions.
Fig. 4 is a schematic structural diagram of a cabinet B with waterproof, moistureproof and dedusting functions.
Fig. 5 is a schematic view of a bottom view structure of a fixing frame in an electrical cabinet with waterproof, moistureproof and dedusting functions.
Fig. 6 is a schematic bottom view of a sealing cover in an electrical cabinet with waterproof, moisture-proof and dust-removing functions.
Fig. 7 is a schematic structural diagram of a buffer base in an electrical cabinet with waterproof, moistureproof and dust removal functions.
In the figure: the cabinet body 1, the vent hole 2, the first exhaust fan 3, the visible window 4, the humidity sensor 5, the fixed block 6, the cylinder 7, the cover body 8, the connecting frame 9, the sealing cover 10, the fixed frame 11, the frame 1101, the support rod 1102, the first filter screen 1103, the fixed ring 1104, the support frame 12, the dust removal mechanism 13, the flow pipe 1301, the motor frame 1302, the fixing part 1303, the flow dividing pipe 1304, the chain 1305, the spray head 1306, the rotating shaft 1307 and the driven gear 1308, the device comprises a driving gear 1309, a shell 1310, an air inlet pipe 1311, a second filter screen 1312, a second exhaust fan 1313, a motor 1314, a dust collection cover 14, a third filter screen 15, a buffer base 16, a bottom column 1601, a limit plate 1602, a shell 1603, a spring 1604, a partition plate 17, a filter screen replacement port 18, a fixed cover 19, an air guide pipe 20, a heating plate 21, a sealing ring 22, a fixed sleeve 23, a first electromagnetic valve 24, an air outlet pipe 25, an air suction pump 26, a third exhaust fan 27 and a support pipe 28.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 7, in the embodiment of the present invention, an electrical cabinet with waterproof, moistureproof and dedusting functions includes a cabinet body 1, a connecting frame 9, a fixing sleeve 23, a supporting tube 28, an air pump 26, an air outlet pipe 25, a cover body 8 and a fixing block 6, wherein a buffering base 16 is disposed around the lower end of the cabinet body 1, a plurality of vent holes 2 are symmetrically disposed on the left and right sides of the cabinet body 1, air guide pipes 20 are disposed on the side walls of the cabinet body 1 at the vent holes 2, the vent holes 2 are communicated with the air guide pipes 20, a fixing cover 19 is disposed at the lower end of the air guide pipes 20, a first exhaust fan 3 is disposed at the lower portion of the inner side of the air guide pipes 20, a humidity sensor 5 is disposed at the upper portion of the right side wall of the cabinet body 1, a dedusting mechanism 13 is disposed at the upper portion of the left side wall, the improved multifunctional cabinet is characterized in that fixed blocks 6 are symmetrically arranged on the upper portion of the inner wall of the cabinet body 1 in a left-right mode, the upper ends of the fixed blocks 6 are respectively provided with an air cylinder 7, the end portion of a telescopic rod of each air cylinder 7 is connected with the lower end of a cover body 8, the middle portion of the lower end of each cover body 8 is provided with a sealing cover 10, the middle portion of the lower end of each sealing cover 10 is provided with a heating plate 21, the edge of the lower end of each sealing cover 10 is provided with a sealing ring 22, the middle portion of the upper end of each cabinet body 1 is provided with a supporting frame 12, the inner side of each supporting frame 12 is provided with a connecting frame 9, the upper portion of the inner side of each connecting frame 9 is provided with a fixed frame 11, the middle portion of the lower end of each fixed frame 11 is provided with a third exhaust, the other end of the air outlet pipe 25 penetrates through the lower end of the cabinet body 1 and extends to the outside, and a first electromagnetic valve 24 is arranged in the middle of the air outlet pipe 25.
Fixed frame 11 includes framework 1101, branch 1102, first filter screen 1103 and fixed ring frame 1104, framework 1101 sets up in the inboard upper portion of connection frame 9, the inboard fixed ring frame 1104 of connecting through branch 1102 that passes through of framework 1101, fixed ring frame 1104 middle part is equipped with third air exhauster 27, be equipped with first filter screen 1103 between fixed ring frame 1104 and the framework 1101.
The dust removing mechanism 13 comprises a housing 1310, a motor frame 1302, a flow pipe 1301, a rotating shaft 1307, a chain 1305 and a flow dividing pipe 1304, wherein the housing 1310 is arranged at the upper part of the left side wall of the cabinet 1, an air inlet pipe 1311 is arranged at the left side of the upper end of the housing 1310, a second filter screen 1312 is arranged at the upper part of the inner side of the housing 1310, a second exhaust fan 1313 is arranged at the lower part of the inner side of the housing 1310, one end of the second exhaust fan 1313 is close to the second filter screen 1312, and the other end of the second exhaust fan 1313 is connected with; the motor frame 1302 is symmetrically arranged at the lower end of the fixing block 6, a motor 1314 is arranged on the inner side of the motor frame 1302, a motor shaft of the motor 1314 penetrates through the motor frame 1302 and is sleeved with a driving gear 1309, a rotating shaft 1307 is arranged at the lower part of the inner side of the cabinet body 1, driven gears 1308 are symmetrically sleeved on the left side wall and the right side wall of the rotating shaft 1307, the driving gear 1309 and the driven gears 1308 are connected with each other through a chain 1305, fixing parts 1303 are respectively sleeved on the side walls of the left side chain 1305 and the right side chain 1305, a flow dividing pipe 1304 is arranged between the left side fixing part and the right side fixing part 1303, a plurality of spray.
And a second electromagnetic valve is arranged in the middle of the circulating pipe 1301.
Buffer base 16 includes sill 1601, limiting plate 1602, shell 1603 and spring 1604, sill 1601 sets up around cabinet body 1 lower extreme, sill 1601 lower extreme is equipped with limiting plate 1602, sill 1601 lateral wall lower part cover is equipped with shell 1603, be equipped with spring 1604 between inboard lower extreme of shell 1603 and limiting plate 1602.
The middle of the vent hole 2 is provided with a filter screen, and the middle of the inner side of the fixed sleeve 23 is provided with a filter screen.
The surface of the cabinet body 1 is provided with an anti-corrosion zinc coating.
The model of the humidity sensor 5 is CL-M53R, the models of the first exhaust fan 3, the second exhaust fan 1313 and the third exhaust fan 27 are Y5-47, the models of the first electromagnetic valve 24 and the second electromagnetic valve are ZCB-1/200Hz, the model of the motor 1314 is YD160L-4/2, and the model of the air suction pump 26 is DA45 EEDC.
The utility model discloses a theory of operation is:
the utility model relates to an electrical cabinet with dampproofing and waterproofing dust removal function, place the device in outdoor suitable position, humidity transducer 5 carries out automated inspection to outdoor humidity afterwards, when humidity transducer 5 perception external humidity is too high probably will rain, send the signal to the controller, then the controller sends the signal to cylinder 7, the telescopic link of cylinder 7 retracts, interconnect between sealed lid 10 and the link frame 9, avoid the rainwater to get into cabinet body 1 inside, carry out water-proof protection to the electrical cabinet inside; when the humidity sensor 5 senses that the external humidity is not high, the air cylinder 7 extends out after receiving a signal sent by the controller, so that the sealing cover 10 is opened, the third exhaust fan 27 and the first exhaust fan 3 are started, the inside of the cabinet body 1 is kept ventilated, and meanwhile, the heating plate 21 is started, and the drying and moisture-proof treatment is performed on the inside; after a period of time, the interior of the cabinet body 1 needs to be dedusted, the second exhaust fan 1313, the air pump 26 and the first electromagnetic valve 24 of the dedusting mechanism 13 are started, outside air is filtered through the second filter screen 1312, the second exhaust fan 1313 extracts the filtered air to be sprayed out from the spray head 1306, dust in the interior of the cabinet body 1 is blown and dedusted, dust attached to the surface of equipment in the interior of the cabinet body 1 is blown away, then the dust is collected through the action of the dust collection cover 14 and the air pump 26, the dust is intercepted and filtered through the filter screen on the inner side of the fixed sleeve 23, the dust is prevented from being diffused to the exterior, when the filter screen on the inner side of the fixed sleeve 23 needs to be replaced, the filter screen replacing port 18 is opened, the air pump 26 is closed; when large-area dust removal operation is needed, the motor 1314 is started, and the motor 1314 drives the chain 1305 to rotate, so that the flow dividing pipe 1304 reciprocates up and down, the spray head 1306 is driven to move, and dust removal is performed on the electric equipment with different heights in the cabinet body 1.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (8)

1. The utility model provides an regulator cubicle with dampproofing and waterproofing dust removal function, includes the cabinet body (1), carriage (9), fixed cover (23), stay tube (28), aspiration pump (26), outlet duct (25), lid (8) and fixed block (6), its characterized in that: the improved multifunctional wardrobe is characterized in that buffering bases (16) are arranged on the periphery of the lower end of the wardrobe body (1), a plurality of vent holes (2) are symmetrically arranged on the left side and the right side of the wardrobe body (1), air guide pipes (20) are arranged on the side walls of the wardrobe body (1) at the positions of the vent holes (2), the vent holes (2) are communicated with the air guide pipes (20), a fixed cover (19) is arranged at the lower end of the air guide pipes (20), first exhaust fans (3) are arranged on the lower portions of the inner sides of the air guide pipes (20), humidity sensors (5) are arranged on the upper portions of the right side walls of the wardrobe body (1), a dust removal mechanism (13) is arranged on the upper portion of the left side wall of the wardrobe body (1), a visible window (4) is arranged on the upper portion of the front side wall of the wardrobe body (1), filter screen replacing ports (18) are arranged on the lower, the telescopic link end connection lid (8) lower extreme of cylinder (7), lid (8) lower extreme middle part is equipped with sealed lid (10), sealed lid (10) lower extreme middle part is equipped with hot plate (21), sealed lid (10) lower extreme edge is equipped with sealing washer (22), the cabinet body (1) upper end middle part is equipped with carriage (12), carriage (12) inboard is equipped with linking frame (9), linking frame (9) inboard upper portion is equipped with fixed frame (11), fixed frame (11) lower extreme middle part is equipped with third air exhauster (27), the cabinet body (1) inboard lower part is equipped with baffle (17), baffle (17) upper end middle part is equipped with dust cage (14), the one end of stay tube (28) is connected through fixed cover (23) to dust cage (14) lower extreme, the air inlet of aspiration pump (26) is connected to the other end of stay tube (28), the air outlet of the air pump (26) is connected with one end of an air outlet pipe (25), the other end of the air outlet pipe (25) penetrates through the lower end of the cabinet body (1) and extends to the outside, and a first electromagnetic valve (24) is arranged in the middle of the air outlet pipe (25).
2. The electrical cabinet with waterproof, dampproof and dedusting functions as claimed in claim 1, characterized in that: fixed frame (11) include framework (1101), branch (1102), first filter screen (1103) and fixed ring frame (1104), framework (1101) set up in the inboard upper portion of connection frame (9), fixed ring frame (1104) is connected through branch (1102) to framework (1101) inboard, fixed ring frame (1104) middle part is equipped with third air exhauster (27), be equipped with first filter screen (1103) between fixed ring frame (1104) and framework (1101).
3. The electrical cabinet with waterproof, dampproof and dedusting functions as claimed in claim 1, characterized in that: the dust removal mechanism (13) comprises a shell (1310), a motor frame (1302), a circulating pipe (1301), a rotating shaft (1307), a chain (1305) and a flow dividing pipe (1304), wherein the shell (1310) is arranged on the upper portion of the left side wall of the cabinet body (1), an air inlet pipe (1311) is arranged on the left side of the upper end of the shell (1310), a second filter screen (1312) is arranged on the upper portion of the inner side of the shell (1310), a second exhaust fan (1313) is arranged on the lower portion of the inner side of the shell (1310), one end of the second exhaust fan (1313) is close to the second filter screen (1312), and the other end of the second exhaust fan (1313) is connected with one end; the motor frame (1302) is symmetrically arranged at the lower end of the fixing block (6), a motor (1314) is arranged on the inner side of the motor frame (1302), a motor shaft of the motor (1314) penetrates through the motor frame (1302) and is sleeved with a driving gear (1309), a rotating shaft (1307) is arranged at the lower part of the inner side of the cabinet body (1), driven gears (1308) are symmetrically sleeved on the left side wall and the right side wall of the rotating shaft (1307), the driving gear (1309) and the driven gears (1308) are connected with each other through chains (1305), fixing pieces (1303) are respectively sleeved on the side walls of the left chain and the right chain (1305), a flow dividing pipe (1304) is arranged between the left fixing piece and the right fixing piece (1303), a plurality of spray heads (1306) are arranged at equal intervals at the lower end of the flow.
4. The electrical cabinet with waterproof, dampproof and dedusting functions as claimed in claim 3, characterized in that: and a second electromagnetic valve is arranged in the middle of the circulating pipe (1301).
5. The electrical cabinet with waterproof, dampproof and dedusting functions as claimed in claim 1, characterized in that: buffer base (16) include sill pillar (1601), limiting plate (1602), shell (1603) and spring (1604), sill pillar (1601) set up around cabinet body (1) lower extreme, sill pillar (1601) lower extreme is equipped with limiting plate (1602), sill pillar (1601) lateral wall lower part cover is equipped with shell (1603), be equipped with spring (1604) between inboard lower extreme of shell (1603) and limiting plate (1602).
6. The electrical cabinet with waterproof, dampproof and dedusting functions as claimed in claim 1, characterized in that: the middle of the vent hole (2) is provided with a filter screen, and the middle of the inner side of the fixed sleeve (23) is provided with the filter screen.
7. The electrical cabinet with waterproof, dampproof and dedusting functions as claimed in claim 1, characterized in that: the surface of the cabinet body (1) is provided with an anti-corrosion zinc coating.
8. The electrical cabinet with waterproof, dampproof and dedusting functions as claimed in claim 1, characterized in that: the model of the humidity sensor (5) is CL-M53R, the models of the first exhaust fan (3), the second exhaust fan (1313) and the third exhaust fan (27) are Y5-47, the models of the first electromagnetic valve (24) and the second electromagnetic valve are ZCB-1/200Hz, the model of the motor (1314) is YD160L-4/2, and the model of the air suction pump (26) is DA45 EEDC.
CN201920292376.2U 2019-03-04 2019-03-04 Electrical cabinet with waterproof, moistureproof and dedusting functions Active CN210298252U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920292376.2U CN210298252U (en) 2019-03-04 2019-03-04 Electrical cabinet with waterproof, moistureproof and dedusting functions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920292376.2U CN210298252U (en) 2019-03-04 2019-03-04 Electrical cabinet with waterproof, moistureproof and dedusting functions

Publications (1)

Publication Number Publication Date
CN210298252U true CN210298252U (en) 2020-04-10

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ID=70059299

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920292376.2U Active CN210298252U (en) 2019-03-04 2019-03-04 Electrical cabinet with waterproof, moistureproof and dedusting functions

Country Status (1)

Country Link
CN (1) CN210298252U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111342375A (en) * 2020-04-21 2020-06-26 衢州柯城幕布电子有限公司 Switch board cooling dust fall protector

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111342375A (en) * 2020-04-21 2020-06-26 衢州柯城幕布电子有限公司 Switch board cooling dust fall protector

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