Cooling fan for power equipment

Abstract

The utility model discloses a cooling fan for electrical equipment, and relates to the technical field of cooling fans, the cooling fan comprises a fan outer frame, a rotating shaft rotatably arranged in the fan outer frame and a plurality of groups of fan blades fixed outside the rotating shaft, the top of the fan outer frame is fixedly provided with an upper ring frame, and the upper ring frame is provided with a cleaning mechanism; through the designed cleaning mechanism, the rotating shaft and the fan blades are driven by the driving motor to rotate slowly, the high-pressure nozzle blows high-pressure gas to the outer surfaces of the fan blades to sweep dust attached to the surfaces of the fan blades, and the dust on the surfaces of the fan blades is cleaned; and meanwhile, the first electric push rod drives the multiple sets of high-pressure nozzles to reciprocate in the left-right direction, so that the blowing effect on dust on the surfaces of the fan blades is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of radiating fan, specifically a kind of radiating fan for electric power equipment. BACKGROUND

[0002] With the rapid development and extensive application of electric power equipment, the power density and integration of equipment are continuously improved, which leads to the significant increase of heat generated inside the equipment, in order to guarantee the normal operation of electric power equipment and prolong its service life, the heat dissipation problem becomes particularly critical. The traditional radiating fan is widely used in electric power equipment, and its main function is to take away the heat inside the equipment through air flow, thereby achieving heat dissipation.

[0003] In the prior art, the fan blades inside the radiating fan will be attached with a lot of dust after long time use, and the dust will increase the energy consumption and noise of the radiating fan, so personnel need to regularly disassemble the fan blades in the radiating fan to clean the dust, which will increase the workload of the operators, and it is also inconvenient to clean the dust on the surface of the fan blades. Therefore, we propose a radiating fan for electric power equipment. SUMMARY

[0004] The utility model aims at providing a radiating fan for electric power equipment to solve the technical problems raised in the background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a radiating fan for electric power equipment, comprising a fan outer frame, a rotating shaft rotatingly arranged inside the fan outer frame and a plurality of fan blades fixed to the outside of the rotating shaft, an upper ring frame is fixedly arranged on the top of the fan outer frame, a cleaning mechanism is arranged on the upper ring frame, and the cleaning mechanism comprises:

[0006] A blowing assembly is arranged on the upper ring frame for cleaning the dust attached to the surface of the fan blades.

[0007] A driving rotating assembly is arranged on the blowing assembly for driving the rotating shaft to rotate slowly.

[0008] Preferably, the blowing assembly comprises a mounting ring fixed to the bottom of the upper ring frame and a moving pipe slidingly arranged inside the mounting ring, an L-shaped pipe is fixedly arranged at the bottom of one end of the moving pipe, and two groups of high-pressure nozzles are fixedly arranged on the surface of the L-shaped pipe and the moving pipe.

[0009] Preferably, an L-shaped bracket is fixedly arranged on the outer wall of the mounting ring, and a supporting ring is fixedly arranged on the end of the L-shaped bracket.

[0010] Preferably, an extension hose is fixedly arranged on the other end of the moving pipe, and a connector is fixedly arranged on the end of the extension hose.

[0011] Preferably, the top of the mounting ring is fixedly provided with a first electric push rod, and a connecting rod is fixedly arranged between the working end of the first electric push rod and the moving pipe.

[0012] Preferably, the driving rotating assembly comprises a second electric push rod fixed in the interior of the mounting ring and an upper column fixed at the top of the rotating shaft, the working end of the second electric push rod is fixedly provided with a driving motor, and the working end of the driving motor is sleeved with a rubber ring.

[0013] Preferably, the high-pressure nozzle is provided with a sweeping piece, the sweeping piece comprises a plurality of cleaning brushes, the cleaning brushes are fixedly provided with mounting plates, the outer wall of the high-pressure nozzle is fixedly provided with a vertical plate, and the mounting plates and the vertical plate are fixedly connected through bolts.

[0014] Preferably, mounting holes are formed at the corners of the upper surface of the fan outer frame, ventilation side holes are arranged on the surface of the fan outer frame, and a brushless motor is fixedly arranged in the interior of the fan outer frame.

[0015] Compared with the prior art, the cleaning device has the advantages that:

[0016] (1) The cleaning mechanism is driven by the driving motor to slowly rotate the rotating shaft and the fan blade, the high-pressure nozzle blows high-pressure gas to the outer surface of the fan blade to blow off the dust attached to the surface of the fan blade, and the dust on the surface of the fan blade is cleaned, and the first electric push rod drives the plurality of high-pressure nozzles to reciprocate in the left-right direction to increase the blowing effect on the dust on the surface of the fan blade.

[0017] (2) The sweeping piece is designed, and the cleaning brush is moved when the high-pressure nozzle reciprocates, the dust on the surface of the fan blade is cleaned by the cleaning brush when the high-pressure nozzle blows out high-pressure gas, and the cleaning effect on the dust on the surface of the fan blade is further increased. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a structural schematic view of the utility model;

[0019] Figure 2 is a structural schematic view of the cleaning mechanism of the utility model;

[0020] Figure 3 is a structural schematic view of the Figure 2 amplification of A part of the utility model;

[0021] Figure 4 is a structural schematic view of the heat dissipation fan of the utility model;

[0022] In the figure: 100, fan outer frame; 101, ventilation side hole; 102, upper ring frame; 103, rotating shaft; 104, fan blade; 105, mounting hole; 200, moving pipe; 201, first electric push rod; 202, upper column; 203, driving motor; 204, rubber ring; 205, second electric push rod; 206, mounting ring; 207, joint; 208, flexible hose; 209, supporting ring; 210, L-shaped frame; 211, L-shaped pipe; 212, high-pressure nozzle; 300, cleaning brush; 301, vertical plate; 302, mounting plate. DETAILED DESCRIPTION

[0023] The technical solutions of the utility model will be described clearly and completely in combination with the embodiments below, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without making creative labor belong to the protection scope of the utility model.

[0024] Embodiment one

[0025] Please refer to Figures 1-4 The utility model provides a technical scheme: a heat dissipation fan for power equipment, including fan outer frame 100, rotating shaft 103 is rotationally arranged in the inside of fan outer frame 100 and the multiple sets of fan blade 104 of fixed in rotating shaft 103 outside, fan blade 104 adopts aerodynamic optimization design, promotes the air flow and the wind pressure of heat dissipation fan, improves the heat dissipation efficiency, fan outer frame 100 adopts aluminium alloy material, the surface is treated with anodic oxidation, has good anticorrosive performance, the top of fan outer frame 100 is fixedly set up with upper ring frame 102, is set up with cleaning mechanism on upper ring frame 102, and the cleaning mechanism includes blowing and sweeping subassembly and drive rotating assembly,

[0026] Blowing and sweeping subassembly includes the mounting ring 206 of fixed in the bottom of upper ring frame 102 and the moving pipe 200 of slidingly set up in the inside of mounting ring 206, and the bottom of one end of moving pipe 200 is fixedly set up with L-shaped pipe 211, and the surface of L-shaped pipe 211, moving pipe 200 is fixedly set up with two groups of high-pressure nozzles 212, and high-pressure nozzle 212 blows out high-pressure gas to the surface of fan blade 104 and sweeps the dust adhered to the surface of fan blade 104;

[0027] The outer wall of mounting ring 206 is fixedly set up with L-shaped frame 210, and the end of L-shaped frame 210 is fixedly set up with supporting ring 209, and supporting ring 209 can increase the stability of moving pipe 200 when moving, and the other end of moving pipe 200 passes through the inside of supporting ring 209;

[0028] The other end of the moving pipe 200 is fixedly provided with a telescopic hose 208, through which the moving pipe 200 can be connected with external high-pressure fan equipment, and the end of the telescopic hose 208 is fixedly provided with a connector 207.

[0029] The top of the mounting ring 206 is fixedly provided with a first electric push rod 201, which can drive the moving pipe 200 to move back and forth left and right, and a connecting rod is fixedly arranged between the working end of the first electric push rod 201 and the moving pipe 200.

[0030] Embodiment two

[0031] Based on the embodiment one, refer to Figure 1 The driving rotating assembly comprises a second electric push rod 205 fixed in the inside of the mounting ring 206 and an upper column 202 fixed at the top of the rotating shaft 103, the working end of the second electric push rod 205 is fixedly provided with a driving motor 203, the working end of the driving motor 203 is fixedly sleeved with a rubber ring 204, the driving motor 203 can drive the upper column 202, the fan blade 104 and other structures to slowly rotate, when cleaning is completed, the working end of the second electric push rod 205 is retracted to drive the driving motor 203 to move to the original position, and the outer wall of the rubber ring 204 is in contact with the outer wall of the upper column 202.

[0032] The cleaning mechanism is designed, the rotating shaft 103 and the fan blade 104 are driven to slowly rotate by the driving motor 203, the high-pressure nozzle 212 blows out high-pressure gas to the outer surface of the fan blade 104 to blow off the dust attached to the surface of the fan blade 104, the dust on the surface of the fan blade 104 is cleaned, and the first electric push rod 201 drives a plurality of high-pressure nozzles 212 to reciprocate in the left and right directions, thereby increasing the blowing effect of the dust on the surface of the fan blade 104.

[0033] Embodiment three

[0034] Based on the embodiment two, refer to Figures 1-4 The high-pressure nozzle 212 is provided with a sweeping piece, the sweeping piece comprises a plurality of cleaning brushes 300, the cleaning brush 300 is fixedly provided with a mounting plate 302, the outer wall of the high-pressure nozzle 212 is fixedly provided with a vertical plate 301, the mounting plate 302 and the vertical plate 301 are fixedly connected through bolts, and the cleaning brush 300 which is worn out after long use can be disassembled and replaced through the bolts.

[0035] The sweeping piece is designed, the cleaning brush 300 is moved when the high-pressure nozzle 212 reciprocates, the dust on the surface of the fan blade 104 is swept by the cleaning brush 300 when the high-pressure nozzle 212 blows out high-pressure gas, and the cleaning effect of the dust on the surface of the fan blade 104 is further increased.

[0036] In this embodiment, the upper surface of the fan outer frame 100 is provided with mounting holes 105 at the corners, and the peripheral surface of the fan outer frame 100 is provided with ventilation side holes 101. A brushless motor is fixedly arranged in the fan outer frame 100, and the working end of the brushless motor is fixedly connected with the bottom of the rotating shaft 103. A temperature control device is arranged in the heat dissipation fan, which is composed of a thermistor, a microcontroller and a driving circuit. When the thermistor detects that the equipment temperature exceeds the set threshold, the microcontroller increases the fan speed through the driving circuit. When the temperature is lower than the set threshold, the microcontroller reduces the fan speed to save energy. The brushless motor adopts a double-ball bearing design to reduce friction and noise and prolong the service life. The design power of the brushless motor is 50W, and the rotating speed range is 500-3000RPM, which is automatically adjusted by the temperature control device. Compared with the brush motor, the brushless motor has higher efficiency and longer service life.

[0037] The working principle and use process of the utility model are as follows:

[0038] In use, the joint 207 is connected with the external high-pressure fan equipment, and then when the surface of the fan blade 104 is attached with a lot of dust, the heat dissipation fan is stopped first, and then the first electric push rod 201 is started. At this time, the working end of the first electric push rod 201 moves towards the fan blade 104, drives the moving pipe 200, the L-shaped pipe 211 and the plurality of high-pressure nozzles 212 to move, at this time, the moving pipe 200 slides in the inside of the supporting ring 209, and then stops moving when it moves to the appropriate position. At this time, the high-pressure fan equipment is started, and then the high-pressure gas generated in the high-pressure fan equipment enters the inside of the high-pressure nozzle 212 through the flexible hose 208, the moving pipe 200 and the L-shaped pipe 211, blows out the high-pressure gas to the surface of the fan blade 104 through the high-pressure nozzle 212, and blows off the dust on the surface of the fan blade 104 through the high-pressure gas. At this time, the working end of the first electric push rod 201 extends and retracts outwardly, drives the moving pipe 200 and the L-shaped pipe 211 to reciprocate in the left and right directions, and then drives the high-pressure nozzle 212 to move. The reciprocating high-pressure nozzle 212 blows off the dust on the surface of the fan blade 104, and the working end of the second electric push rod 205 extends outwardly to drive the driving motor 203 to move. Then, the outer wall of the rubber ring 204 on the working end of the driving motor 203 contacts with the outer wall of the upper column 202, and then the driving motor 203 is started to drive the rubber ring 204 to rotate, thereby driving the upper column 202, the rotating shaft 103 and the fan blade 104 to rotate slowly. At this time, the dust on the plurality of fan blades 104 can be blown off through the high-pressure nozzle 212.

[0039] When the high-pressure nozzle 212 reciprocates in the left-right direction, the cleaning brush 300 will follow the movement, and the cleaning brush 300 will clean the dust on the surface of the fan blade 104. When the high-pressure nozzle 212 blows high-pressure gas, the cleaning brush 300 cleans the dust on the surface of the fan blade 104, further increasing the cleaning effect of the dust on the surface of the fan blade 104.

[0040] The above embodiments are only used to illustrate the technical method of the utility model and are not limited. Although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical method of the utility model can be modified or replaced equivalently without departing from the spirit and scope of the technical method of the utility model.

Claims

1. A heat dissipation fan for electric power equipment, comprising a fan outer frame (100), a rotating shaft (103) arranged inside the fan outer frame (100) and a plurality of groups of fan blades (104) fixed outside the rotating shaft (103), wherein a top of the fan outer frame (100) is fixedly provided with an upper ring stand (102), characterized in that, The upper ring stand (102) is provided with a cleaning mechanism, the cleaning mechanism comprises: A blowing assembly is arranged on the upper ring stand (102) and is used for cleaning dust attached to the surface of the fan blade (104); A driving rotating assembly is arranged on the blowing assembly and is used for driving the rotating shaft (103) to rotate slowly.

2. The heat dissipation fan for power equipment according to claim 1, characterized in that: The blowing assembly comprises a mounting ring (206) fixed at the bottom of the upper ring stand (102) and a moving pipe (200) slidingly arranged in the mounting ring (206), one end of the moving pipe (200) is fixedly provided with an L-shaped pipe (211), the surfaces of the L-shaped pipe (211) and the moving pipe (200) are fixedly provided with two groups of high-pressure nozzles (212).

3. A heat dissipation fan for electric power equipment according to claim 2, wherein: The outer wall of the mounting ring (206) is fixedly provided with an L-shaped frame (210), and the end of the L-shaped frame (210) is fixedly provided with a supporting ring (209).

4. The heat dissipation fan for electric power equipment according to claim 3, characterized in that: The other end of the moving pipe (200) is fixedly provided with a telescopic hose (208), and the end of the telescopic hose (208) is fixedly provided with a connector (207).

5. The heat dissipation fan for electric power equipment according to claim 2, characterized in that: The top of the mounting ring (206) is fixedly provided with a first electric push rod (201), and a connecting rod is fixedly arranged between the working end of the first electric push rod (201) and the moving pipe (200).

6. The heat dissipation fan for electric power equipment according to claim 2, characterized in that: The driving rotating assembly comprises a second electric push rod (205) fixed in the mounting ring (206) and an upper column (202) fixed at the top of the rotating shaft (103), the working end of the second electric push rod (205) is fixedly provided with a driving motor (203), and the working end of the driving motor (203) is fixedly sleeved with a rubber ring (204).

7. The heat dissipation fan for power equipment according to claim 2, characterized in that: The high-pressure nozzle (212) is provided with a cleaning piece, the cleaning piece comprises a plurality of cleaning brushes (300), the cleaning brush (300) is fixedly provided with a mounting plate (302), the outer wall of the high-pressure nozzle (212) is fixedly provided with a vertical plate (301), and the mounting plate (302) and the vertical plate (301) are fixedly connected through bolts.

8. The heat dissipation fan for power equipment according to claim 1, characterized in that: The upper surface of the fan outer frame (100) is provided with mounting holes (105) at the corners, the periphery of the fan outer frame (100) is provided with ventilation side holes (101), and the inside of the fan outer frame (100) is fixedly provided with a brushless motor.

Images