CN115425791A - Efficient dustproof heat dissipation motor and dustproof heat dissipation method thereof - Google Patents

Efficient dustproof heat dissipation motor and dustproof heat dissipation method thereof Download PDF

Info

Publication number
CN115425791A
CN115425791A CN202211084550.7A CN202211084550A CN115425791A CN 115425791 A CN115425791 A CN 115425791A CN 202211084550 A CN202211084550 A CN 202211084550A CN 115425791 A CN115425791 A CN 115425791A
Authority
CN
China
Prior art keywords
dust
rear end
heat dissipation
end cover
casing
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.)
Withdrawn
Application number
CN202211084550.7A
Other languages
Chinese (zh)
Inventor
汪伟
王晓春
刘田奇
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.)
Jiangsu University of Technology
Original Assignee
Jiangsu University of Technology
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 Jiangsu University of Technology filed Critical Jiangsu University of Technology
Priority to CN202211084550.7A priority Critical patent/CN115425791A/en
Publication of CN115425791A publication Critical patent/CN115425791A/en
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/02—Plant or installations having external electricity supply
    • B03C3/04—Plant or installations having external electricity supply dry type
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
    • H02K5/207—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium with openings in the casing specially adapted for ambient air
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
    • H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
    • H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft

Landscapes

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

Abstract

The invention provides a high-efficiency dustproof heat dissipation motor and a dustproof heat dissipation method thereof, and relates to the field of motors. This high-efficient dustproof heat dissipation motor, which comprises a housin, the fixed front end housing that is provided with in casing one side, the fixed rear end cap that is provided with of casing opposite side, a plurality of dust removal louvres have all been seted up to the one end that the casing was kept away from to front end housing and rear end cap inside, the dust removal louvre inner wall is kept away from the one side of casing and is gone up the lower extreme and all fixedly is provided with the electrode slice, double-phase to the electrode slice switch-on with the positive negative pole of power respectively, the inside one end of being close to the casing of dust removal louvre all is provided with a plurality of dust collecting tanks, the inside center of rear end cap rotates and is provided with the fan axle, the fixed flabellum that has cup jointed in the fan axle outside. Carry out the ionization to the dust through high-voltage electrostatic field to make it electrified, and adsorbed by the electrode slice, reach the effect of removing dust to tiny dust, flow through inside from the motor through clean air current, thereby reach the purpose of the inside heat exchange of acceleration motor.

Description

Efficient dustproof heat dissipation motor and dustproof heat dissipation method thereof
Technical Field
The invention relates to the technical field of motors, in particular to a high-efficiency dustproof heat dissipation motor and a dustproof heat dissipation method thereof.
Background
At present, a motor is widely applied to the automatic equipment industry, a large amount of heat can be generated in the working process of the motor, so that the heat inside the motor is continuously increased, the performance of the motor is influenced, and the service life of the motor is shortened.
Meanwhile, due to the diversity of the working environments of the motors, part of the motors work in a dust environment, dust can affect the rotation of the fan, so that heat dissipation is affected, motor abrasion is increased, the service life of the motors is shortened, the existing dustproof cover is generally added for dustproof, the dustproof effect is limited when tiny dust is treated, and the tiny dust cannot be completely removed.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a high-efficiency dustproof heat dissipation motor and a dustproof heat dissipation method thereof, and solves the problems that the existing motor can only dissipate heat from the outer surface, the heat dissipation effect is poor, dust is not thoroughly prevented, and fine dust cannot be treated.
(II) technical scheme
In order to realize the purpose, the invention is realized by the following technical scheme: the utility model provides a high-efficient dustproof heat dissipation motor, includes the casing, the fixed front end housing that is provided with in casing one side, the fixed rear end housing that is provided with of casing opposite side, a plurality of dust removal louvres have all been seted up to the one end that casing was kept away from to front end housing and rear end cap, the dust removal louvre inner wall is kept away from one side of casing and is gone up the lower extreme and all fixedly is provided with the electrode slice, and is double-phase relative the electrode slice is put through with positive negative pole of power respectively, the inside one end of being close to the casing of dust removal louvre all is provided with a plurality of dust collecting tank, the inside center of rear end housing rotates and is provided with the fan axle, the fixed flabellum that has cup jointed in the fan axle outside, the inside lower extreme of rear end housing is provided with the controller.
Preferably, the air vents are formed in two side ends of the shell, the center of the shell is rotatably provided with a rotating shaft, one end of the rotating shaft penetrates through the front end cover, the other end of the rotating shaft is arranged inside the rear end cover, the rotating shaft transmits torque to the fan shaft through a transmission device, and the fan shaft can rotate in two directions.
Preferably, the pivot sets up the fixed cover in the inside one end of rear end cap and has connect a gear, the fixed cover in one end that the fan axle is close to a gear has connect step gear, no. one gear and step gear upside slide and be provided with the transmission shaft, the fixed bracing piece that is provided with No. two in the inside upper end of rear end cap, the transmission shaft both ends set up respectively in inside two bracing piece lower extremes.
Preferably, the transmission shaft comprises a shaft rod, a third gear is fixedly arranged at a position, opposite to the first gear, outside the shaft rod, and is meshed with the first gear, two fourth gears are fixedly arranged at a position, opposite to the stepped gear, outside the shaft rod, and a second support rod is fixedly arranged on the side wall inside the rear end cover, the other end of the second support rod is rotatably provided with a transmission gear, and the transmission gear is meshed with the small end of the stepped gear.
Preferably, a small motor is fixedly arranged at the upper end inside the rear end cover, a shifting rod is fixedly arranged at the output end of the small motor, and the other end of the shifting rod extends to a position between the two fourth gears.
Preferably, a stator is fixedly arranged on the inner wall of the shell, and a rotor is fixedly arranged on the outer side of the middle end of the rotating shaft.
A dustproof heat dissipation method of a high-efficiency dustproof heat dissipation motor comprises the following steps:
s1, the electrode plates in the front end cover are controlled to stop working through a controller, and the electrode plates in the rear end cover are electrified, so that a high-voltage electric field is generated.
S2, the rotating shaft rotates to enable the fan shaft to rotate through the transmission device, the fan blades are driven to rotate, air flow is generated, and the direction of the air flow is from the rear end cover to the front end cover.
And S3, the dust in the airflow is ionized when passing through the high-voltage electric field, moves to an electrode plate on one side and is adsorbed by the electrode plate or is blocked by the dust collecting groove, so that the dust is prevented from entering the shell, a dust removing effect is achieved, and clean airflow is generated.
S4, clean air flow can directly enter the motor through the air vent and is emitted from the dust removal heat dissipation holes of the front end cover, so that the heat dissipation effect is achieved, and the duration is one minute.
S5, changing the state of the transmission device through the control of the controller, enabling the fan blades to rotate reversely, simultaneously controlling the electrode plates inside the front end cover to work, stopping the electrode plates inside the rear end cover, enabling the air flow direction to reach the rear end cover from the front end cover, enabling the dust removing heat dissipation holes inside the front end cover to achieve a dust removing effect, generating clean air flows, blowing out the air flows from the rear end cover and taking out dust accumulated inside the dust removing heat dissipation holes of the rear end cover in the step 3, repeating the step 1 after one minute, and circulating the steps.
Preferably, the duration of step 4 and step 5 can be adjusted according to the amount of dust in the working environment.
The working principle is as follows: the device is at the during operation, the electrode slice circular telegram produces the high voltage electrostatic field, carry out the ionization to the dust through the high voltage electrostatic field, thereby make it electrified, and be adsorbed by the electrode slice, reach the effect of removing dust to tiny dust, because the air current of handling is clean air current, the traditional heat dissipation method who accelerates the surface heat exchange of relative ratio, can directly adopt the heat dissipation method who accelerates inside heat exchange, directly take away the heat through the motor inside with clean air current and reach better cooling purpose, after working a period, through changing flabellum rotation direction, thereby change the air current direction, make the inlet port before become the venthole, the operating condition of simultaneous control electrode slice, make before collect the dust in the dust collecting tank discharge, and keep the radiating effect, so that the device's continuation work.
(III) advantageous effects
The invention provides a high-efficiency dustproof heat dissipation motor and a dustproof heat dissipation method thereof. The method has the following beneficial effects:
1. the device is at the during operation, carries out the ionization to the dust through high-voltage electrostatic field to make it electrified, and adsorbed by the electrode slice, reach the effect of removing dust to tiny dust, the dustproof method that only sets up the dust cover of contrast has better dustproof effect.
2. When the device works, clean airflow flows through the motor, so that heat exchange in the motor is accelerated.
Drawings
FIG. 1 is a schematic view of a fan blade in a forward rotation state with a front exploded structure;
FIG. 2 is a schematic view of a fan blade in a reversed state and showing a front exploded structure;
FIG. 3 is an enlarged view of a portion of the dust removal louvers of FIG. 1;
FIG. 4 is a side view of the rear end cap of the present invention;
FIG. 5 is a schematic side exploded view of the rear end cap of the present invention;
fig. 6 is a schematic axial side structure of the propeller shaft of the present invention.
Wherein, 1, dust removal and heat dissipation holes; 2. a front end cover; 3. a housing; 4. a stator; 5. a rotor; 6. a vent hole; 7. a rear end cap; 8. a small-sized motor; 9. a deflector rod; 10. a drive shaft; 11. a first support rod; 12. a transmission gear; 13. a second support rod; 16. a rotating shaft; 17. a first gear; 18. a controller; 19. a stepped gear; 20. a fan shaft; 21. a fan blade; 23. an electrode sheet; 24. a dust collecting groove; 101. a shaft lever; 102. a third gear; 103. and a fourth gear.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b):
as shown in fig. 1-6, an embodiment of the present invention provides a high-efficiency dustproof heat dissipation motor, which includes a housing 3, a front end cover 2 is fixedly disposed on one side of the housing 3, a rear end cover 7 is fixedly disposed on the other side of the housing 3, a plurality of dust removal heat dissipation holes 1 are disposed inside ends of the front end cover 2 and the rear end cover 7, which are far away from the housing 3, electrode plates 23 are fixedly disposed at upper and lower ends of one side of inner walls of the dust removal heat dissipation holes 1, the two opposite electrode plates 23 are respectively connected with a positive electrode and a negative electrode of a power supply, and can generate a high-voltage electrostatic field, so that dust is ionized to be convenient for adsorption, a plurality of dust collection grooves 24 are disposed at ends of the dust removal heat dissipation holes 1, which are close to the housing 3, so as to prevent excessive dust from entering the interior of the motor, a fan shaft 20 is rotatably disposed at a center inside the rear end cover 7, fan blades 21 are fixedly sleeved outside the fan shaft 20, and a controller 18 is disposed at a lower end inside the rear end cover 7, so as to control the electrode plates 23.
The air vent 6 has all been seted up to 3 both sides of casing, and the air current of being convenient for gets into inside the motor, and 3 center rotations of casing are provided with pivot 16, and front end housing 2 is run through to pivot 16 one end, and the pivot 16 other end sets up inside rear end cap 7, and pivot 16 passes through transmission with torque transmission to fan shaft 20 on, but fan shaft 20 two-way rotation can produce two-way air current.
The end of the rotating shaft 16 arranged inside the rear end cover 7 is fixedly sleeved with a first gear 17, the end of the fan shaft 20 close to the first gear 17 is fixedly sleeved with a stepped gear 19, the upper sides of the first gear 17 and the stepped gear 19 are slidably provided with a transmission shaft 10, the upper end inside the rear end cover 7 is fixedly provided with two first supporting rods 11, and the two ends of the transmission shaft 10 are respectively arranged inside the lower ends of the two first supporting rods 11 and transmit torque through gear transmission.
The transmission shaft 10 comprises a shaft lever 101, a third gear 102 is fixedly arranged at the position, opposite to the first gear 17, of the outer side of the shaft lever 101, the third gear 102 is meshed with the first gear 17, two fourth gears 103 are fixedly arranged at the position, opposite to the stepped gear 19, of the outer side of the shaft lever 101, a second supporting rod 13 is fixedly arranged on the side wall inside the rear end cover 7, the other end of the second supporting rod 13 rotates to be provided with a transmission gear 12, the transmission gear 12 is meshed with the small end of the stepped gear 19, the transmission shaft 10 can slide, the transmission state can be switched, and the purpose that the rotation direction of the fan blades 21 can be changed is achieved.
The small motor 8 is fixedly arranged at the upper end inside the rear end cover 7, the shifting lever 9 is fixedly arranged at the output end of the small motor 8, the other end of the shifting lever 9 extends to a position between the two fourth gears 103, and the shifting lever 9 is enabled to change the position of the transmission shaft 10 by controlling the small motor 8 to work so as to switch the transmission state.
The inner wall of the shell 3 is fixedly provided with a stator 4, and the outer side of the middle end of the rotating shaft 16 is fixedly provided with a rotor 5.
A dustproof heat dissipation method of a high-efficiency dustproof heat dissipation motor comprises the following steps:
s1, the controller 18 controls the electrode plates 23 in the front end cover 2 to stop working, and the electrode plates 23 in the rear end cover 7 are electrified, so that a high-voltage electric field is generated.
S2, the rotating shaft 16 rotates to enable the fan shaft 20 to rotate through the transmission device, so that the fan blades 21 are driven to rotate and generate air flow, and the direction of the air flow is from the rear end cover 7 to the front end cover 2.
And S3, ionizing dust in the airflow when passing through a high-voltage electric field, moving to an electrode plate 23 on one side and being adsorbed by the electrode plate 23 or being blocked by a dust collecting groove 24, preventing the dust from entering the inside of the shell 3, achieving a dust removal effect and generating clean airflow.
S4, clean air flow can directly enter the motor through the vent hole 6 and is emitted out of the dust removal radiating holes 1 of the front end cover 2, so that the radiating effect is achieved, and the duration is one minute.
S5, the state of the transmission device is changed through the control of the controller 18, so that the fan blades 21 rotate reversely, meanwhile, the electrode plates 23 inside the front end cover 2 are controlled to work, the electrode plates 23 inside the rear end cover 7 stop working, the airflow direction is from the front end cover 2 to the rear end cover 7, the dust removing and radiating holes 1 inside the front end cover 2 have the dust removing effect, clean airflow is generated, the airflow is blown out from the rear end cover 7 and carries out dust accumulated inside the dust removing and radiating holes 1 of the rear end cover 7 in the step 3, and the steps are repeated to the step 1 and circulated after the airflow lasts for one minute.
The duration time in the step 4 and the step 5 can be adjusted according to the amount of dust in the working environment, so that excessive dust accumulation is prevented from entering the interior of the motor.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The utility model provides a high-efficient dustproof heat dissipation motor, includes casing (3), its characterized in that: the utility model discloses a dust removal device, including casing (3), rear end cap (7), front end housing (2), rear end cap (7), a plurality of dust removal louvres (1) have all been seted up to casing (3) one end is fixed to casing (3) opposite side, the lower extreme all is fixed and is provided with electrode slice (23) on casing (3) was kept away from to front end housing (2) and rear end cap (7) one end inside, it is double-phase right electrode slice (23) switch-on with the positive negative pole of power respectively, the inside one end of being close to casing (3) of dust removal louvre (1) all is provided with a plurality of dust collecting tank (24), the inside center of rear end cap (7) is rotated and is provided with fan axle (20), fan axle (20) outside fixed the cup joint has flabellum (21), the inside lower extreme of rear end cap (7) is provided with controller (18).
2. The efficient dustproof heat dissipation motor of claim 1, characterized in that: the novel fan is characterized in that air vents (6) are formed in two side ends of the shell (3), a rotating shaft (16) is arranged at the center of the shell (3) in a rotating mode, one end of the rotating shaft (16) penetrates through the front end cover (2), the other end of the rotating shaft (16) is arranged inside the rear end cover (7), the rotating shaft (16) transmits torque to the fan shaft (20) through a transmission device, and the fan shaft (20) can rotate in two directions.
3. The utility model provides a dustproof heat dissipation method of high-efficient dustproof heat dissipation motor which characterized in that: the method comprises the following steps:
s1, controlling an electrode plate (23) in a front end cover (2) to stop working through a controller (18), and electrifying the electrode plate (23) in a rear end cover (7) so as to generate a high-voltage electric field;
s2, the rotating shaft (16) rotates to enable the fan shaft (20) to rotate through the transmission device, so that the fan blades (21) are driven to rotate and generate air flow, and the air flow direction is from the rear end cover (7) to the front end cover (2);
s3, dust in the air flow is ionized when passing through a high-voltage electric field, moves to an electrode plate (23) on one side and is adsorbed by the electrode plate (23) or is blocked by a dust collecting groove (24), so that the dust is prevented from entering the shell (3), a dust removing effect is achieved, and clean air flow is generated;
s4, clean air flow can directly enter the motor through the vent hole (6) and is emitted out of the dust removal radiating hole (1) of the front end cover (2), so that the radiating effect is achieved, and the duration is one minute;
s5, the state of the transmission device is changed through the control of the controller (18), the fan blades (21) are enabled to rotate reversely, meanwhile, the electrode plates (23) inside the front end cover (2) are controlled to work, the electrode plates (23) inside the rear end cover (7) stop working, the airflow direction is from the front end cover (2) to the rear end cover (7), the dust removal heat dissipation holes (1) inside the front end cover (2) play a dust removal effect and generate clean airflow, the airflow is blown out from the rear end cover (7) and brings out dust accumulated inside the dust removal heat dissipation holes (1) of the rear end cover (7) in the step 3, and the steps are repeated to the step 1 after the airflow lasts for one minute and are circulated.
4. The dustproof heat dissipation method of the efficient dustproof heat dissipation motor according to claim 3, characterized in that: the duration of the steps 4 and 5 can be adjusted according to the amount of dust in the working environment.
CN202211084550.7A 2022-09-06 2022-09-06 Efficient dustproof heat dissipation motor and dustproof heat dissipation method thereof Withdrawn CN115425791A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211084550.7A CN115425791A (en) 2022-09-06 2022-09-06 Efficient dustproof heat dissipation motor and dustproof heat dissipation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211084550.7A CN115425791A (en) 2022-09-06 2022-09-06 Efficient dustproof heat dissipation motor and dustproof heat dissipation method thereof

Publications (1)

Publication Number Publication Date
CN115425791A true CN115425791A (en) 2022-12-02

Family

ID=84202264

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211084550.7A Withdrawn CN115425791A (en) 2022-09-06 2022-09-06 Efficient dustproof heat dissipation motor and dustproof heat dissipation method thereof

Country Status (1)

Country Link
CN (1) CN115425791A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115802192A (en) * 2023-01-06 2023-03-14 福建宝锋电子有限公司 Heat dissipation shell of wireless interphone and heat dissipation structure thereof
CN116101217A (en) * 2022-12-05 2023-05-12 均胜汽车安全***(湖州)有限公司 Variable-volume cavity gas generator for gas curtain

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116101217A (en) * 2022-12-05 2023-05-12 均胜汽车安全***(湖州)有限公司 Variable-volume cavity gas generator for gas curtain
CN115802192A (en) * 2023-01-06 2023-03-14 福建宝锋电子有限公司 Heat dissipation shell of wireless interphone and heat dissipation structure thereof
CN115802192B (en) * 2023-01-06 2023-04-14 福建宝锋电子有限公司 Heat dissipation shell of wireless interphone and heat dissipation structure thereof

Similar Documents

Publication Publication Date Title
CN115425791A (en) Efficient dustproof heat dissipation motor and dustproof heat dissipation method thereof
CN110685939B (en) Neck-mounted fan with multiple air outlet modes
CN210838493U (en) Dustproof high-voltage switch cabinet
CN203704168U (en) Air conditioning device provided with rotating disc type humidifying-filtering carrier
CN210723882U (en) Dustproof heat dissipation power distribution box
CN215419096U (en) High-voltage board with dampproofing function ventilates
CN212164036U (en) PLC control cabinet with cooling mechanism
CN212511463U (en) Fresh air module and air conditioner
CN211151271U (en) Switch board with safeguard function
CN211321882U (en) Environment-friendly metal cabinet capable of quickly dissipating heat
CN217825782U (en) Constant voltage control high voltage power supply
CN210900190U (en) Be used for communication base station computer lab ventilation dust collecting equipment
CN114110779B (en) Cross-flow fan assembly and air conditioner indoor unit
CN210014442U (en) Air conditioner air outlet structure and air conditioner
CN210265227U (en) Tower fan
CN208581110U (en) A kind of brshless DC motor accelerating air velocity and radiating
CN218430930U (en) Electricity changing cabinet with good heat dissipation effect
CN220233792U (en) Switch board with dampproofing structure
CN210485936U (en) Air purification device assisting in blowing and heating
CN216121351U (en) Low-voltage power distribution cabinet utilizing air exchange to reduce heat
CN217748445U (en) Air supply type screen dust removal device
CN215221494U (en) Heat radiator for high voltage distribution cabinet
CN220554245U (en) High-efficient radiating electrical control cabinet
CN214381892U (en) Heat abstractor for switch
CN216312843U (en) New energy automobile motor that has clean function convenient to heat dissipation

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication

Application publication date: 20221202