Dust cleaning device for air conditioner outdoor unit

Abstract

The utility model relates to the technical field of air conditioner maintenance devices, in particular to an air conditioner outdoor unit dust removal device which comprises a dust screen, a driving motor, a winding assembly, a brush assembly and an automatic take-up device. The side face, corresponding to the position where the cooling fins are located, of the dustproof net is arranged on the air conditioner outdoor unit shell. The driving motor is arranged at the left end of the dustproof net, the winding assembly is arranged on the dustproof net on the lower side of the driving motor, the brush assembly comprises a supporting rod, a brush strip and a roller, and the automatic take-up device is arranged on the outdoor unit shell at the right end of the dustproof net. Under the condition that an original air conditioner outdoor unit structure is not changed, assembly and disassembly are convenient, the structure is simple, cost is low, through cooperation of the winding assembly and the automatic take-up device, the brush assembly can be tightly attached to the dustproof net to move, dust on the dustproof net is removed, the matching degree of all parts is high, various dust removal work requirements can be met, and the dust removal efficiency is improved. Dust accumulation of the air conditioner outdoor unit radiator is effectively prevented, and the service life is prolonged.

Description

Technical Field

[0001] This utility model relates to the technical field of air conditioner maintenance devices, and in particular to an air conditioner outdoor unit dust removal device. Background Technology

[0002] To ensure effective heat dissipation, outdoor air conditioning units, such as those from Gree air conditioners, often have exposed radiators on the rear side, with the right side only encased in a grille-like outer shell. During use, dust easily accumulates on the radiator fins, making cleaning difficult and resulting in poor dust resistance. Over time, dust adheres to the radiator, affecting cooling or heating efficiency if not cleaned promptly. Furthermore, dust blockage can shorten the lifespan of the air conditioner. Existing technologies, such as the storage structure for automatic dust removal from outdoor air conditioning units (patent number CN2021209198329), present a complex structure with numerous intricate components, limited installation space, and difficulties in replacement due to damage. Furthermore, the risk of falling from heights poses a safety hazard. Other solutions require altering the existing outdoor unit structure, increasing production costs. Summary of the Invention

[0003] The purpose of this utility model is to overcome the shortcomings of the existing technology and provide an air conditioner outdoor unit dust removal device that is simple in structure, easy to use, and has a good dust prevention effect.

[0004] The technical solution adopted in this utility model is:

[0005] An air conditioner outdoor unit dust removal device includes a dust filter, a drive motor, a cord reel assembly, a brush assembly, and an automatic cord retractor;

[0006] The dustproof net is installed on the side of the air conditioner outdoor unit housing corresponding to the location of the heat dissipation fins; the drive motor is installed on the left end of the dustproof net, the wiring of the drive motor is connected to the wiring terminal of the air conditioner outdoor unit power supply, and the drive motor is connected to a timer, which controls the working time of the drive motor.

[0007] The winding assembly is set on the dustproof net below the drive motor. The winding assembly includes a mounting box, a shaft seat, and a winding spool. The shaft seat is set at the upper and lower ends of the mounting box, and the winding spool is set in the mounting box through the shaft seat. The upper end of the winding spool is connected to the output shaft of the drive motor. Two steel wire ropes are wound on the winding spool near both ends.

[0008] The brush assembly includes a support rod, brush strips, and rollers. A groove is provided on the inner side of the support rod, and the brush strips are placed in the groove of the support rod. The rollers are respectively placed on the upper and lower ends of the support rod and are in contact with the dustproof net. The outer ends of the two steel wire ropes on the winding spool extend out of the opening of the mounting box and are fixed on the left side of the support rod.

[0009] The automatic retractor is installed on the outer casing at the right end of the dustproof net. The lead-out end of the automatic retractor is fixed to the right side of the support rod, and the lead-out of the automatic retractor is located in the middle between the two plastic-coated steel wire ropes on the winding shaft.

[0010] Specifically, the dustproof net is fixed to the air conditioner outdoor unit casing with screws or tied around the air conditioner outdoor unit with steel wire rope and locking device.

[0011] Specifically, the wire rope on the winding spool and the lead wire of the automatic take-up device are both plastic-coated wire ropes.

[0012] Specifically, the support rod is made of aluminum alloy.

[0013] Specifically, the dustproof net is made of steel wire mesh.

[0014] Specifically, the rollers are made of nylon bearings.

[0015] Due to the adoption of the technical solution described above, this utility model has the following advantages:

[0016] This utility model of an air conditioner outdoor unit dust removal device is easy to install and disassemble, has a simple structure, and low cost without changing the original structure of the air conditioner outdoor unit. Through the cooperation of the cord winding assembly and the automatic cord retractor, the brush assembly can closely follow the dustproof net and move to remove dust from the dustproof net. The high degree of cooperation between the components can meet various dust removal needs, effectively prevent dust accumulation on the air conditioner outdoor unit radiator, and improve its service life. Attached Figure Description

[0017] Figure 1 This is an overall drawing of this utility model.

[0018] Figure 2 This is a perspective view of the mounting slot and winding spool of this utility model.

[0019] In the diagram: 1-Dustproof net, 2-Drive motor, 3-Cable winding assembly, 31-Mounting slot box, 32-Shaft seat, 33-Cable winding shaft, 4-Brush assembly, 41-Support rod, 42-Brush strip, 43-Roller, 5-Automatic cable retractor. Detailed Implementation

[0020] The present invention will be further explained below with reference to the accompanying drawings and embodiments. However, this explanation should not be construed as limiting the scope of protection of the present invention. The purpose of disclosing the present invention is to protect all technical improvements within the scope of the present invention.

[0021] Combined with appendix Figure 1-2 The air conditioner outdoor unit cleaning device shown includes a dustproof net 1, a drive motor 2, a cord winding assembly 3, a brush assembly 4, and an automatic cord retractor 5.

[0022] The dustproof net 1 is made of steel wire mesh. Taking an air conditioner outdoor unit with an exposed rear radiator and a grid shell on the right side as an example, the dustproof net 1 is L-shaped and is fixed to the air conditioner outdoor unit shell with screws or tied and fixed to the outdoor unit shell outside the radiator with steel wire rope and locking device. The drive motor 2 is located on the left end of the dustproof net 1. The drive motor 2 is an AC synchronous motor. The wiring of the drive motor 2 is connected to the wiring terminal of the air conditioner outdoor unit power supply, and the drive motor 2 is connected to a timer. The timer controls the working time of the drive motor 2.

[0023] The winding assembly 3 is mounted on the dustproof net 1 on the lower side of the drive motor 2. The winding assembly 3 includes a mounting box 31, a shaft seat 32, and a winding shaft 33. The shaft seat 32 is respectively mounted on the upper and lower ends of the mounting box 31. The winding shaft 33 is mounted in the mounting box 31 through the shaft seat 32. The upper end of the winding shaft 33 is connected to the output shaft of the drive motor 2. Two plastic-coated steel wire ropes are wound on the winding shaft 33 near both ends.

[0024] The brush assembly 4 includes a support rod 41, a brush strip 42, and rollers 43. The support rod 41 has a groove on its inner side and is made of aluminum alloy. The brush strip 42 is set in the groove of the support rod 41. The rollers 43 are nylon bearings and are respectively set on the upper and lower ends of the support rod 41. The rollers 43 are in contact with the dustproof net 1. The outer ends of the two steel wire ropes on the winding spool 33 extend out of the opening of the mounting box 31 and are fixed on the left side of the support rod 41.

[0025] The automatic retractor 5 is installed on the outer casing at the right end of the dustproof net 1. The outlet end of the automatic retractor 5 is fixed to the right side of the support rod 41. The outlet of the automatic retractor 5 is located in the middle between the two plastic-coated steel wire ropes on the reel 33.

[0026] The air conditioner outdoor unit cleaning device of this utility model has a complete stroke consisting of the brush assembly 4 moving from the position of the winding assembly 3 to the position of the automatic retractor 5 and then returning. Depending on the frequency of air conditioner use, the working time of the drive motor 2 can be set to the duration of a complete stroke, a single stroke, or less than a single stroke. In cases where the air conditioner is used frequently and there is not much dust accumulation, the working time of the drive motor 2 can be set to be less than the single stroke duration for better energy saving.

[0027] When the set duration is the duration of a complete stroke, the brush assembly 4 is located on one side of the winding assembly 3, and the automatic retractor 5 is in the unwinding and stretching state. During operation, when the outdoor unit of the air conditioner is powered on and started, the drive motor 2 starts and drives the winding shaft 33 to rotate to unwind the wire. The force on the automatic retractor 5 decreases, the torsion spring retracts and retracts the wire, pulling the brush assembly 4 to the right along the dustproof net 1 to clean the dust on the dustproof net 1. When the automatic retractor 5 finishes rewinding the wire, the steel wire rope on the winding shaft 33 of the winding assembly 3 is also unwound. Since the inner end of the steel wire rope is fixed on the winding shaft 33, the drive motor 2 continues to rotate, and the steel wire rope winds in the opposite direction on the winding shaft 33 to rewind the wire, and then pulls the dustproof net 1 of the brush assembly 4 back. When the brush assembly 4 moves to the position of the mounting box 31, the timer reaches the set duration and controls the drive motor 2 to be powered off and stop rotating.

[0028] When the timer is set to a single-trip duration, the timer controls the drive motor 2 to stop when the brush assembly 4 reaches the side of the automatic retractor 5. When the outdoor unit of the air conditioner is powered on again, the drive motor 2 drives the brush assembly 4 back to the side of the winding assembly 3 and stops.

[0029] When the set time is less than the time for a single trip, based on the stop position of the brush assembly 4 when the set working time was last reached, if the winding assembly 3 is in the return winding state, the drive motor 2 starts to drive the winding shaft 33 to continue winding. When the brush assembly returns to the position of the mounting slot box 31, due to the limit of the support rod 41, the drive motor 2 reverses and enters the unwinding state again, and stops moving after the set time is reached again.

[0030] The parts of this utility model not described in detail are existing technologies.

[0031] The embodiments selected herein for the purpose of disclosing the inventive objectives of this utility model are currently considered appropriate; however, it should be understood that this utility model is intended to include all variations and modifications of the embodiments that fall within the scope of this concept and utility model.

Claims

1. A dust removal device for an air conditioner outdoor unit, characterized in that, Includes dustproof net, drive motor, winding assembly, brush assembly and automatic retractor; The dustproof net is installed on the side of the air conditioner outdoor unit housing corresponding to the location of the heat dissipation fins; the drive motor is installed on the left end of the dustproof net, the wiring of the drive motor is connected to the wiring terminal of the air conditioner outdoor unit power supply, and the drive motor is connected to a timer, which controls the working time of the drive motor. The winding assembly is set on the dustproof net below the drive motor. The winding assembly includes a mounting box, a shaft seat, and a winding spool. The shaft seat is set at the upper and lower ends of the mounting box, and the winding spool is set in the mounting box through the shaft seat. The upper end of the winding spool is connected to the output shaft of the drive motor. Two steel wire ropes are wound on the winding spool near both ends. The brush assembly includes a support rod, brush strips, and rollers. A groove is provided on the inner side of the support rod, and the brush strips are placed in the groove of the support rod. The rollers are respectively placed on the upper and lower ends of the support rod and are in contact with the dustproof net. The outer ends of the two steel wire ropes on the winding spool extend out of the opening of the mounting box and are fixed on the left side of the support rod. The automatic retractor is installed on the outer casing at the right end of the dustproof net. The lead-out end of the automatic retractor is fixed to the right side of the support rod, and the lead-out of the automatic retractor is located in the middle between the two plastic-coated steel wire ropes on the winding shaft.

2. The air conditioner outdoor unit dust removal device according to claim 1, characterized in that: The dustproof net is fixed to the air conditioner outdoor unit casing with screws or tied around the air conditioner outdoor unit with steel wire rope and locking device.

3. The air conditioner outdoor unit dust removal device according to claim 1, characterized in that: The wire rope on the winding spool and the lead wire of the automatic take-up device are both plastic-coated wire ropes.

4. The air conditioner outdoor unit dust removal device according to claim 1, characterized in that: The support rod is made of aluminum alloy.

5. The air conditioner outdoor unit dust removal device according to claim 1, characterized in that: The dustproof netting is made of steel wire mesh.

6. The air conditioner outdoor unit dust removal device according to claim 1, characterized in that: The rollers are made of nylon bearings.

Images