CN110685943A - Cubical switchboard radiator fan - Google Patents

Cubical switchboard radiator fan Download PDF

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Publication number
CN110685943A
CN110685943A CN201911121172.3A CN201911121172A CN110685943A CN 110685943 A CN110685943 A CN 110685943A CN 201911121172 A CN201911121172 A CN 201911121172A CN 110685943 A CN110685943 A CN 110685943A
Authority
CN
China
Prior art keywords
fan
frame body
fixed frame
supporting legs
cooling fan
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.)
Pending
Application number
CN201911121172.3A
Other languages
Chinese (zh)
Inventor
李新海
孟晨旭
曾庆祝
梁伟杰
闫超
梁景明
林蔚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Power Grid Co Ltd
Zhongshan Power Supply Bureau of Guangdong Power Grid Co Ltd
Original Assignee
Guangdong Power Grid Co Ltd
Zhongshan Power Supply Bureau of Guangdong Power Grid Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangdong Power Grid Co Ltd, Zhongshan Power Supply Bureau of Guangdong Power Grid Co Ltd filed Critical Guangdong Power Grid Co Ltd
Priority to CN201911121172.3A priority Critical patent/CN110685943A/en
Publication of CN110685943A publication Critical patent/CN110685943A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/522—Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/64—Mounting; Assembling; Disassembling of axial pumps
    • F04D29/644—Mounting; Assembling; Disassembling of axial pumps especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/663—Sound attenuation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
    • F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
    • F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/56—Cooling; Ventilation
    • H02B1/565—Cooling; Ventilation for cabinets

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Patch Boards (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

The invention provides a switch cabinet cooling fan which comprises a fan, a fixed frame body and supporting legs, wherein the fixed frame body is provided with a hollow hole, the air outlet end of the fan is matched with the hollow hole, and the periphery of the fan is fixedly connected with the fixed frame body by screws and nuts; the supporting legs are arranged below the fixed frame body. In the use, earlier fan and fixed framework adopt screw and nut to be connected fixedly, then through being connected of supporting legs and fixed framework, realize radiator fan's console mode installation, place radiator fan whole under the cubical switchboard in the cabinet room again, and the air outlet of fan upwards sets up, makes the leading-in circuit breaker room of the cold air of fan output, realizes the heat dissipation function. When the fan in the radiator fan needs to be replaced, the fan can be taken out for maintenance or replacement only by taking the radiator fan out of the lower cabinet chamber of the switch cabinet and screwing out the screw and the nut which are used for connecting and fixing the fan and the fixed frame body.

Description

Cubical switchboard radiator fan
Technical Field
The invention relates to the technical field of heat dissipation devices, in particular to a switch cabinet heat dissipation fan.
Background
A radiating fan of a breaker chamber of a 10kV switch cabinet of a transformer substation is installed in a lower cabinet chamber of the switch cabinet by adopting a ceiling type. However, when the heat dissipation fan is replaced, the space of the front lower cabinet chamber of the switch cabinet is narrow, and two persons are required to cooperate with the front lower cabinet chamber and the breaker chamber, so that the problem of low working efficiency exists. In addition, the cooling fan blows air into the breaker chamber from the lower cabinet, but does not take dustproof measures, so that dust is easily brought into the breaker chamber, and the safe and stable operation of equipment is influenced.
Disclosure of Invention
The invention provides a switch cabinet cooling fan, aiming at overcoming the defect of low efficiency of cooling fan replacement operation in the prior art.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a switch cabinet cooling fan comprises a fan, a fixed frame body and supporting legs, wherein the fixed frame body is provided with a hollow hole, the air outlet end of the fan is matched with the hollow hole, and the periphery of the fan is fixedly connected with the fixed frame body by screws and nuts; the supporting legs are arranged below the fixed frame body.
Among this technical scheme, realize falling to the ground through the supporting legs and install radiator fan in the cabinet room under the circuit breaker room cubical switchboard, in the use, earlier adopt screw and nut with fan and fixed framework to be connected fixedly, then set up the supporting legs installation in the below of fixed framework, make radiator fan wholly adopt the console mode installation, keep good stability in fan operation in-process, then place radiator fan wholly under the cubical switchboard in the cabinet room, and the air outlet of fan upwards sets up, make the cold air of fan output upwards export and leading-in circuit breaker room, realize the heat dissipation function. When the fan in the radiator fan needs to be replaced, the fan can be taken out for maintenance or replacement only by taking the radiator fan out of the lower cabinet chamber of the switch cabinet and screwing out the screw and the nut which are used for connecting and fixing the fan and the fixed frame body. Because the speed of fan change is faster than traditional radiator fan's change speed, consequently need not cut off the power supply to the circuit breaker room to can effectively guarantee the power supply of transformer substation reliable and stable.
Preferably, the supporting legs comprise an adjusting screw rod, an inner threaded rod and a base, wherein the inner threaded rod is arranged above the base, one end of the adjusting screw rod is connected with the lower portion of the fixed frame body, and the other end of the adjusting screw rod is in threaded connection with the inner threaded rod. The supporting legs are connected with the inner threaded rods through the adjusting screw rods in a threaded mode, height adjustment of the supporting legs is achieved, and the whole installation of the cooling fan keeps good stability.
Preferably, the base comprises a universal adjustment chassis.
Preferably, a vibration-proof pad is arranged below the base and used for buffering vibration generated when the fan operates and reducing noise generated between the vibration of the base and the bottom plate of the lower cabinet chamber.
Preferably, a steering joint is arranged below the fixing frame, one end of the steering joint is fixedly arranged below the fixing frame, and the other end of the steering joint is connected with one end of the adjusting screw rod. The adjusting screw rod is connected and fixed with the fixed frame body through the steering joint, foldable setting of the supporting legs is achieved, and when the supporting legs are required to be folded, the supporting legs can be folded along the rotating shaft direction of the steering joint.
Preferably, the clamping piece used for clamping with the adjusting screw rod is arranged below the fixing frame body, and after the supporting legs are arranged in a folded mode, the clamping piece is clamped with the adjusting screw rod, so that the supporting legs can be prevented from loosening.
Preferably, the supporting leg further comprises a clamping sleeve, the clamping sleeve is sleeved on the periphery of the adjusting screw rod in a sliding mode, and the shape of an inner hole of the clamping sleeve is matched with that of a steering joint in a vertical state. When the supporting legs are in a landing state, the clamping sleeve slides to the connecting position of the steering joint and the adjusting screw rod, so that the clamping sleeve is kept in an upright state; when the supporting legs are required to be folded, the clamping sleeve slides downwards, the steering joint breaks away from the clamping effect of the clamping sleeve, and the supporting legs can be folded along the rotating shaft direction of the steering joint.
Preferably, the air inlet of the fan is provided with a filtering device for preventing the fan from sucking air with dust and bringing the air into the breaker chamber.
Preferably, a filter screen is arranged at a hollow hole formed in the fixed frame body and used for further filtering dust in the air.
Preferably, the fixing frame is provided with a vibration-proof strip above for buffering vibration generated during operation of the fan and reducing noise.
Compared with the prior art, the technical scheme of the invention has the beneficial effects that: by adopting the supporting legs, the fixed frame and the fan to form the cooling fan assembly, the cooling fan is installed in a floor type mode and is arranged in a lower cabinet chamber of a switch cabinet, when the cooling fan is replaced, the cooling fan can be replaced only by taking out the cooling fan, the replacement efficiency of the cooling fan is effectively improved, the circuit breaker chamber is prevented from being matched with a power failure, and the power supply stability of a transformer substation is effectively ensured.
Drawings
Fig. 1 is an exploded view of a heat dissipation fan of a switchgear of embodiment 1.
Fig. 2 is a schematic structural diagram of a switch cabinet cooling fan in embodiment 2.
Fig. 3 is a schematic folded state diagram of the heat dissipation fan of the switch cabinet of embodiment 2.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent;
for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product;
it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The technical solution of the present invention is further described below with reference to the accompanying drawings and examples.
Example 1
Fig. 1 is an exploded view of the heat dissipation fan of the switch cabinet of this embodiment.
In the embodiment, the heat dissipation fan for the switch cabinet comprises a fan 1, a fixed frame 2 and supporting legs 3, wherein the fixed frame 2 is provided with a hollow hole 21, an air outlet end of the fan 1 is matched with the hollow hole 21, and the periphery of the fan 1 is fixedly connected with the fixed frame 2 by screws and nuts; the support legs 3 are provided below the fixed frame 2.
In this embodiment, fixed framework 2 adopts the triangle-shaped design, adopts 3 supporting legss 3 to set up respectively in the apex angle position of fixed framework 2, utilizes triangle-shaped stability, keeps good stability at fan 1 operation in-process.
In this embodiment, the supporting legs 3 are height-adjustable, and include an adjusting screw rod 31, an internal screw rod 32, and a base 33, wherein the internal screw rod 32 is disposed above the base 33, one end of the adjusting screw rod 31 is connected to the lower portion of the fixing frame 2, and the other end of the adjusting screw rod 31 is in threaded connection with the internal screw rod 32.
In this embodiment, the base 33 is a universal adjusting chassis, and a shock pad is disposed below the base 33.
In this embodiment, a steering joint 34 is provided below the fixed frame 2, one end of the steering joint 34 is fixedly provided below the fixed frame 2, and the other end of the steering joint 34 is connected to one end of the adjustment screw 31. The adjusting screw 31 is connected and fixed with the fixed frame 2 through a steering joint 34, so that the supporting leg 3 can be folded.
In this embodiment, the clamping member 22 for clamping with the adjusting screw rod 31 is arranged below the fixing frame body 2, and after the supporting legs 3 are folded, the clamping member 22 is clamped with the adjusting screw rod 31, so that the supporting legs 3 can be prevented from loosening.
In this embodiment, the supporting leg 3 further includes a sleeve 35, the sleeve 35 is slidably sleeved on the periphery of the adjusting screw rod 31, and the shape of the inner hole of the sleeve 35 is matched with the steering joint 34 in a vertical state.
In the specific implementation process, the fan 1 and the fixed frame body 2 are connected and fixed by screws and nuts, and then the supporting legs 3 are arranged below the fixed frame body 2, so that the whole radiating fan is installed in a floor type, and good stability is kept in the operation process of the fan. The height of the supporting leg 3 can be adjusted through the adjusting screw rod 31 and the internal threaded rod 32 in the supporting leg 3, and the height of the supporting leg 3 needs to be adjusted by rotating the internal threaded rod 32 in the using process, so that the whole radiating fan is in a stable floor type installation state. Then place radiator fan wholly under the cubical switchboard in the cabinet room, and the air outlet of fan 1 upwards sets up, makes the cold air output of fan 1 output and leading-in circuit breaker room in, realizes the heat dissipation function.
When fan 1 among the radiator fan needs to be changed, only need take out the whole cabinet room under the cubical switchboard of radiator fan, will be used for being connected the screw and the nut of fixing fan 1 and fixed framework 2 and unscrew, can take out the fan, overhauls or changes. Because the speed of fan change is faster than traditional radiator fan's change speed, consequently need not cut off the power supply to the circuit breaker room to can effectively guarantee the power supply of transformer substation reliable and stable.
When the supporting legs 3 are kept in the upright state, the volume of the cooling fan is larger than that of the lower cabinet chamber of the switch cabinet, so that the cooling fan is inconvenient to take out or put in and install. When the supporting foot 3 keeps the upright state, the clamping sleeve 35 slides upwards or rotates along the adjusting screw rod 31, the clamping sleeve 35 clamps the steering joint 34 and the adjusting screw rod 31, so that the upright state of the supporting foot 3 is kept, when the supporting foot 3 needs to be folded, the clamping sleeve 35 slides downwards or rotates along the adjusting screw rod 31, the clamping sleeve 35 loosens the clamping function on the connecting position of the steering joint 34 and the adjusting screw rod 31, and the supporting foot 3 can be folded.
The cubical switchboard radiator fan in this embodiment can establish fan 1 as the radiator fan device of console mode installation, and the radiator fan's of being convenient for dismouting can reduce the time that radiator fan changed the operation, effectively improves radiator fan's change efficiency to avoid the cooperation outage of circuit breaker room, effectively ensure the power supply stability of transformer substation.
Example 2
Fig. 2 is a schematic structural diagram of the heat dissipation fan of the switch cabinet of this embodiment.
In the embodiment, the heat dissipation fan for the switch cabinet comprises a fan 1, a fixed frame 2 and supporting legs 3, wherein the fixed frame 2 is provided with a hollow hole 21, an air outlet end of the fan 1 is matched with the hollow hole 21, and the periphery of the fan 1 is fixedly connected with the fixed frame 2 by screws and nuts; the support legs 3 are provided below the fixed frame 2. The supporting legs 3 are height-adjustable and comprise an adjusting screw rod 31, an internal thread rod 32 and a base 33, wherein the internal thread rod 32 is arranged above the base 33, one end of the adjusting screw rod 31 is connected with the lower part of the fixed frame body 2, and the other end of the adjusting screw rod 31 is in threaded connection with the internal thread rod 32. The base 33 adopts a universal adjusting chassis, and a shock pad is arranged below the base 33.
In this embodiment, fixed framework 2 adopts the triangle-shaped design, adopts 3 supporting legss 3 to set up respectively in the apex angle position of fixed framework 2, utilizes triangle-shaped stability, keeps good stability at fan 1 operation in-process.
In this embodiment, a steering joint 34 is provided below the fixed frame 2, one end of the steering joint 34 is fixedly provided below the fixed frame 2, and the other end of the steering joint 34 is connected to one end of the adjustment screw 31. The adjusting screw 31 is connected and fixed with the fixed frame 2 through a steering joint 34, so that the supporting leg 3 can be folded. The clamping piece 22 used for being clamped with the adjusting screw rod 31 is arranged below the fixing frame body 2, and after the supporting legs 3 are arranged in a folded mode, the clamping piece 22 is connected with the adjusting screw rod 31 in a clamped mode, and the supporting legs 3 can be prevented from loosening. The supporting leg 3 further comprises a clamping sleeve 35, the clamping sleeve 35 is sleeved on the periphery of the adjusting screw rod 31 in a sliding mode, and the shape of an inner hole of the clamping sleeve 35 is matched with that of the steering joint 34 in a vertical state.
In this embodiment, a filtering device 4 is further added, the filtering device 4 is arranged at the air inlet of the fan 1, and the filtering device 4 is fixedly welded to the lower portion of the frame body 2. The additional filter device 4 serves to prevent the fan 1 from sucking in dust-laden air and being entrained into the circuit breaker chamber.
In this embodiment, a filter screen is disposed at the position of the hollow hole 21 formed in the fixed frame 2 for further filtering dust in the air.
In this embodiment, the fixing frame 2 is provided with a vibration-proof strip 5 above for buffering the vibration generated during the operation of the fan 1 and reducing the noise.
In the specific implementation process, the fan 1 and the fixed frame body 2 are connected and fixed by screws and nuts, and then the supporting legs 3 are arranged below the fixed frame body 2, so that the whole radiating fan is installed in a floor type, and good stability is kept in the operation process of the fan. The height of the supporting leg 3 can be adjusted through the adjusting screw rod 31 and the internal threaded rod 32 in the supporting leg 3, and the height of the supporting leg 3 needs to be adjusted by rotating the internal threaded rod 32 in the using process, so that the whole radiating fan is in a stable floor type installation state. Then place radiator fan wholly under the cubical switchboard in the cabinet room, realize the cold air with fan 1 output leading-in circuit breaker room, realize the heat dissipation function. Specifically, in the operation process of the fan 1, the filter device 4 arranged at the air inlet of the fan 1 filters sucked air firstly, so that excessive dust is prevented from being involved, cold air is sent out from the air outlet of the fan, and the cold air is further filtered through the filter screen arranged at the position of the hollow hole 21 arranged on the fixed frame body 2 and then sent out to the circuit breaker chamber, so that the heat dissipation function is realized.
When fan 1 among the radiator fan needs to be changed, only need take out the whole cabinet room under the cubical switchboard of radiator fan, will be used for being connected the screw and the nut of fixing fan 1 and fixed framework 2 and unscrew, can take out the fan, overhauls or changes. Because the speed of fan change is faster than traditional radiator fan's change speed, consequently need not cut off the power supply to the circuit breaker room to can effectively guarantee the power supply of transformer substation reliable and stable.
Fig. 3 is a schematic diagram of a folded state of the heat dissipation fan of the switch cabinet of the present embodiment.
When the supporting foot 3 keeps the upright state, the clamping sleeve 35 slides upwards or rotates along the adjusting screw rod 31, the clamping sleeve 35 clamps the steering joint 34 and the adjusting screw rod 31, so that the upright state of the supporting foot 3 is kept, when the supporting foot 3 needs to be folded, the clamping sleeve 35 slides downwards or rotates along the adjusting screw rod 31, the clamping sleeve 35 loosens the clamping function on the connecting position of the steering joint 34 and the adjusting screw rod 31, and the supporting foot 3 can be folded.
In this embodiment, through filter equipment 4, the filter screen that adds, carry out secondary filter to the air of inhaling, seeing off, avoid leading-in circuit breaker room's air to have too much dust, debris, lead to influencing equipment safety and stability operation.
The same or similar reference numerals correspond to the same or similar parts;
the terms describing positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the patent;
it should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A radiating fan of a switch cabinet is characterized by comprising a fan, a fixed frame body and supporting legs, wherein the fixed frame body is provided with a hollow hole, the air outlet end of the fan is matched with the hollow hole, and the periphery of the fan is fixedly connected with the fixed frame body by screws and nuts; the supporting legs are arranged below the fixed frame body.
2. The switchgear cooling fan of claim 1, wherein: the supporting legs include accommodate the lead screw, internal thread pole, base, wherein, internal thread pole sets up in the base top, accommodate the lead screw's one end is connected with the below of fixed framework, accommodate the lead screw's the other end and internal thread pole threaded connection.
3. The switchgear cooling fan of claim 2, wherein: the base comprises a universal adjusting chassis.
4. The switchgear cooling fan of claim 3, wherein: and a shockproof pad is arranged below the base.
5. The switchgear cooling fan of claim 2, wherein: the steering joint is arranged below the fixing frame body, one end of the steering joint is fixedly arranged below the fixing frame body, and the other end of the steering joint is connected with one end of the adjusting screw rod.
6. The switchgear cabinet cooling fan of claim 5, wherein: and a clamping piece used for clamping with the adjusting screw rod is arranged below the fixed frame body.
7. The switchgear cabinet cooling fan of claim 5, wherein: the supporting legs further comprise a clamping sleeve, the clamping sleeve is sleeved on the periphery of the adjusting screw rod in a sliding mode, and the shape of an inner hole of the clamping sleeve is matched with the steering joint in a vertical state.
8. The heat dissipation fan for switch cabinets of any one of claims 1 to 7, wherein: and a filter device is arranged at the air inlet of the fan.
9. The switchgear cabinet cooling fan of claim 8, wherein: and a filter screen is arranged at the position of a hollow hole formed in the fixed frame body.
10. The switchgear cabinet cooling fan of claim 8, wherein: and a shockproof strip is arranged above the fixed frame body.
CN201911121172.3A 2019-11-15 2019-11-15 Cubical switchboard radiator fan Pending CN110685943A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911121172.3A CN110685943A (en) 2019-11-15 2019-11-15 Cubical switchboard radiator fan

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911121172.3A CN110685943A (en) 2019-11-15 2019-11-15 Cubical switchboard radiator fan

Publications (1)

Publication Number Publication Date
CN110685943A true CN110685943A (en) 2020-01-14

Family

ID=69116855

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911121172.3A Pending CN110685943A (en) 2019-11-15 2019-11-15 Cubical switchboard radiator fan

Country Status (1)

Country Link
CN (1) CN110685943A (en)

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