Self-cleaning device for power cabinet

Abstract

The invention relates to a self-cleaning device for a power cabinet. The self-cleaning device comprises a cabinet body, a cooling fan, a cleaning mechanism and a driving mechanism, an air outlet is formed in the cabinet body; one end of a shell of the cooling fan is fixed on the cabinet body so as to define an air inlet cavity with the cabinet body; a main shaft of the cooling fan extends into the cabinet body; the cleaning mechanism comprises a nozzle and a hose; the nozzle is communicated with the air inlet cavity through a hose; the nozzle is installed in the cabinet body through a driving mechanism, and the rotation of the cooling fan main shaft controls the nozzle to swing back and forth through the driving mechanism. The heat dissipation fan rotates, so that air enters the cabinet body, and heat dissipation in the cabinet body is realized; the main shaft of the cooling fan controls the spray head to swing back and forth through the driving mechanism, so that dust with relatively strong adhesive force on power equipment such as a switch in the cabinet body can be automatically cleaned; therefore, through the arrangement of the cleaning mechanism and the driving mechanism, heat dissipation in the cabinet body can be realized, and meanwhile, self-cleaning of dust with relatively high adhesive force in the cabinet body can be realized.

Description

Technical Field

[0001] The present invention relates to the technical field of power equipment, and particularly to a self-cleaning device for a power cabinet. Background Art

[0002] Power cabinets include distribution cabinets, metering boxes, etc., which are devices for storing power control-related equipment. When placed on the ground for a long time, dust is likely to accumulate inside. Therefore, it is urgent to clean the dust inside the power cabinet regularly.

[0003] For example, the patent with the publication number CN116053944A discloses a self-cleaning device for a power cabinet. This device can seal the entire power cabinet, and the circulating air flow can send the dust deposited inside the power cabinet into the dust collection tank. During the cleaning process, the dust will not escape outside the power cabinet to pollute the environment. Through regular cleaning, the self-cleaning of the power cabinet can be completed, and the staff only needs to empty the dust in the dust collection tank regularly.

[0004] However, due to the setting of this self-cleaning device for the power cabinet, the power cabinet is completely enclosed. When using this power cabinet, a large amount of heat is often generated inside the power cabinet. Therefore, the heat dissipation ability of this power cabinet is poor; and some dust adheres to the outer surfaces of power equipment such as switches inside the power cabinet, and the adhesion is strong. The cleaning effect of this device on the dust with strong adhesion is poor. Summary of the Invention

[0005] Aiming at the above problems existing in the prior art, the technical problem to be solved by the present invention is that due to the setting of this self-cleaning device, the heat dissipation ability of the power cabinet is poor, and the cleaning effect of this self-cleaning device on the dust with strong adhesion is poor.

[0006] To solve the above technical problems, the present invention adopts the following technical solutions: A self-cleaning device for a power cabinet, comprising: A cabinet body, on which an air outlet is provided; A cooling fan, one end of the housing of which is fixed on the cabinet body to form an air intake cavity with the cabinet body; and the main shaft of the cooling fan extends into the cabinet body; A cleaning mechanism, which includes: a spray head and a hose; the spray head is communicated with the air intake cavity through the hose; and A driving mechanism, the spray head is installed in the cabinet body through the driving mechanism, and the rotation of the main shaft of the cooling fan controls the reciprocating swing of the spray head through the driving mechanism.

[0007] Preferably, the spray head includes: a mounting frame, a sliding seat, a sleeve, an elastic member, a connecting pipe, a nozzle, a gear and a rack; the mounting frame is installed in the cabinet; one end of the sliding seat is hinged to the mounting frame; the other end of the sliding seat is slidably inserted in the sleeve; and the end of the sleeve away from the sliding seat is slidably abutted against the cabinet; the driving mechanism controls the reciprocating swing of the sleeve; the elastic member applies an elastic force to the sliding seat to slide toward the outside of the sleeve; the connecting pipe is connected to the air inlet cavity through a hose; one end of the connecting pipe is connected to the nozzle, and the other end of the connecting pipe is hinged to the sliding seat, and the hinge axis of the connecting pipe and the hinge axis of the sliding seat are arranged to intersect with each other; the gear is fixedly connected to the connecting pipe, and the gear and the hinge axis of the connecting pipe are arranged coaxially; the rack is arranged along the length direction of the sliding seat sleeve, and the rack is fixedly connected to the sleeve, and the rack is meshed with the gear.

[0008] Preferably, the air outlet of the nozzle is arranged in a flat shape, and the air outlet of the nozzle is arranged to intersect with the hinge axis of the connecting pipe and the hinge axis of the sliding seat.

[0009] Preferably, the spray head further comprises: a roller; and one end of the sleeve away from the sliding seat is in sliding contact with the cabinet through the roller.

[0010] Preferably, the driving mechanism includes: a worm wheel, a worm, a spline shaft, a reciprocating screw, a nut seat and a toggle plate; the worm is coaxially fixed to the main shaft of the cooling fan; the worm wheel is rotatably mounted on the cabinet, and the worm wheel is meshing with the worm; the spline shaft is coaxially slidably plugged with the worm wheel; the reciprocating screw is coaxially fixed to the spline shaft; the nut seat is connected to the reciprocating screw through a ball screw nut pair; and the nut seat is fixedly mounted in the cabinet; the toggle plate is fixedly connected to the reciprocating screw to toggle the nozzle to swing back and forth.

[0011] Preferably, both ends of the spline shaft are provided with a reciprocating screw and a nut seat.

[0012] Preferably, the cleaning mechanism is provided in plurality, and the plurality of nozzles are arranged at intervals along the length direction of the toggle plate.

[0013] Preferably, the positions of the plurality of nozzles in the length direction of the toggle plate are adjustable.

[0014] Preferably, a plurality of the toggle plates are arranged in the length direction of the reciprocating screw, and a nozzle is respectively arranged between two adjacent toggle plates.

[0015] Preferably, it further comprises: an exhaust fan, wherein the exhaust fan is installed on the cabinet to exhaust the gas in the cabinet.

[0016] Compared with the prior art, the present invention has at least the following advantages: 1. Through the setting of the cleaning mechanism and the driving mechanism, it is possible to dissipate heat in the cabinet while also achieving self-cleaning of dust with strong adhesion in the cabinet. In the present invention, the cooling fan is controlled to move, and the main shaft of the cooling fan drives the fan blades to rotate, so that air enters the air inlet cavity, the hose and the nozzle in sequence, enters the cabinet through the nozzle, and is then discharged through the air outlet, so that heat dissipation of electrical equipment such as switches in the cabinet can be achieved; and the outlet end of the nozzle faces the switches and other electrical equipment in the cabinet; the main shaft of the cooling fan controls the nozzle to swing back and forth through the driving mechanism, so that self-cleaning of dust with strong adhesion on electrical equipment such as switches in the cabinet can be achieved.

[0017] 2. The nozzle can swing back and forth in two mutually intersecting directions, so that the gas ejected from the nozzle acts on the dust in multiple directions, thereby improving the removal rate of dust with strong adhesion in the cabinet. In the present invention, air enters the air inlet cavity, the hose, the connecting pipe and the nozzle in sequence to achieve heat dissipation in the cabinet; the main shaft of the cooling fan controls the sleeve to swing back and forth through the driving mechanism, the sleeve drives the sliding seat to swing back and forth on the mounting frame, and the sliding seat drives the nozzle to swing back and forth through the connecting pipe, so that the nozzle can be controlled to swing back and forth in the first direction; and in the process of the sleeve swinging, due to the action of the elastic member, the sleeve and the cabinet are always in sliding contact; for this reason, when the sleeve swings, it slides back and forth on the sliding seat, the sleeve drives the rack to slide back and forth, the rack drives the gear to rotate back and forth, and the gear drives the nozzle to swing back and forth in the second direction through the connecting pipe.

[0018] 3. In the present invention, by setting the air outlet of the nozzle to be flat, it is possible to increase the air pressure while also increasing the area acting on electrical equipment such as switches in the cabinet; and by intersecting the nozzle air outlet with the hinge axis of the connecting pipe and the nozzle air outlet with the hinge axis of the sliding seat, the cleaning effect on electrical equipment such as switches in the cabinet is further improved.

[0019] 4. In the present invention, the main shaft of the cooling fan rotates, the main shaft of the cooling fan drives the worm to rotate, the worm drives the worm wheel to rotate, and thereby reduces the rotation speed, the worm wheel drives the spline shaft to rotate, the spline shaft drives the reciprocating screw to rotate, and under the action of the nut seat, the spline shaft moves back and forth, thereby driving the toggle plate to move back and forth, and then the nozzle can be toggled to swing back and forth. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the specific implementation of the present invention, the following will briefly introduce the drawings required for use in the specific implementation. In all the drawings, each element or part is not necessarily drawn according to the actual scale.

[0021] Figure 1This is a structural diagram of a power cabinet self-cleaning device provided in an embodiment of the present invention.

[0022] Figure 2 This is a diagram of the internal structure of a cabinet provided in an embodiment of the present invention.

[0023] Figure 3 This is a structural diagram of a cleaning mechanism provided in an embodiment of the present invention.

[0024] Figure 4 This is a structural diagram of a driving mechanism provided in an embodiment of the present invention.

[0025] Figure numerals: 1. cabinet; 2. cooling fan; 3. cleaning mechanism; 31. mounting frame; 32. sliding seat; 33. sleeve; 34. elastic member; 35. connecting pipe; 36. nozzle; 37. gear; 38. rack; 39. roller; 4. driving mechanism; 41. worm gear; 42. worm; 43. spline shaft; 44. reciprocating screw; 45. nut seat; 46. toggle plate; 5. exhaust fan; 6. hose. DETAILED DESCRIPTION

[0026] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined invention purpose, the specific implementation mode, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0027] See also Figures 1 - 4 The embodiment of the present invention is as follows: a self-cleaning device for a power cabinet, characterized in that it comprises: a cabinet 1, a cooling fan 2, a cleaning mechanism 3 and a driving mechanism 4; an air outlet is provided on the cabinet 1; one end of the shell of the cooling fan 2 is fixed on the cabinet 1 to form an air inlet cavity with the cabinet 1; and the main axis of the cooling fan 2 extends into the cabinet 1; the cleaning mechanism 3 comprises: a nozzle and a hose 6; the nozzle is connected to the air inlet cavity through the hose 6; the nozzle is installed in the cabinet 1 through the driving mechanism 4, and the rotation of the main axis of the cooling fan 2 controls the reciprocating swing of the nozzle through the driving mechanism 4.

[0028] During specific implementation, the cooling fan 2 is controlled to operate, and the main shaft of the cooling fan 2 drives the fan blades to rotate, so that air enters the air inlet cavity, the hose 6 and the nozzle in sequence, enters the cabinet 1 through the nozzle, and is then discharged through the air outlet, thereby achieving heat dissipation of electrical equipment such as switches in the cabinet 1; and the outlet end of the nozzle is directed toward the switches and other electrical equipment in the cabinet 1; the main shaft of the cooling fan 2 controls the nozzle to swing back and forth through the driving mechanism 4, thereby achieving self-cleaning of dust with strong adhesion on electrical equipment such as switches in the cabinet 1; for this reason, through the setting of the cleaning mechanism 3 and the driving mechanism 4, it is possible to achieve self-cleaning of dust with strong adhesion in the cabinet 1 while dissipating the heat in the cabinet 1.

[0029] See Figures 1 - 4 In other embodiments, the nozzle includes: a mounting bracket 31, a sliding seat 32, a sleeve 33, an elastic member 34, a connecting pipe 35, a nozzle 36, a gear 37, and a rack 38; the mounting bracket 31 is installed in the cabinet 1; one end of the sliding seat 32 is hinged to the mounting bracket 31; the other end of the sliding seat 32 is slidably inserted into the sleeve 33; and one end of the sleeve 33 away from the sliding seat 32 is slidably abutted against the cabinet 1; the driving mechanism 4 controls the reciprocating swing of the sleeve 33; the elastic member 34 applies an elastic force to the sliding seat 32 to slide outward toward the sleeve 33; the connecting pipe 35 is communicated with the air inlet cavity through the hose 6; one end of the connecting pipe 35 is communicated with the nozzle 36, the other end of the connecting pipe 35 is hinged to the sliding seat 32, and the hinge axis of the connecting pipe 35 and the hinge axis of the sliding seat 32 are arranged to intersect with each other; the gear 37 is fixedly connected to the connecting pipe 35, and the gear 37 is coaxially arranged with the hinge axis of the connecting pipe 35; the rack 38 is arranged along the length direction of the sliding seat 32 and the sleeve 33, and the rack 38 is fixedly connected to the sleeve 33, and the rack 38 meshes with the gear 37. Further, the nozzle further includes: a roller 39; one end of the sleeve 33 away from the sliding seat 32 is slidably abutted against the cabinet 1 through the roller 39. Through the arrangement of the roller 39, the sliding friction between the sleeve 33 and the cabinet 1 is replaced by the rolling friction between the cabinet 1 and the roller 39; thus, the friction between the sleeve 33 and the cabinet 1 can be effectively reduced, and the service life of the sleeve 33 can be extended.

[0030] During specific implementation, the elastic member 34 is a spring; air sequentially enters the air inlet cavity, the hose 6, the connecting pipe 35, and the nozzle 36 to realize heat dissipation in the cabinet 1; the main shaft of the cooling fan 2 controls the reciprocating swing of the sleeve 33 through the driving mechanism 4, the sleeve 33 drives the sliding seat 32 to reciprocate on the mounting bracket 31, and the sliding seat 32 drives the nozzle 36 to reciprocate through the connecting pipe 35, so that the nozzle 36 can be controlled to reciprocate in the first direction; and during the swing of the sleeve 33, due to the action of the elastic member 34, the sleeve 33 is always slidably abutted against the cabinet 1; for this reason, when the sleeve 33 swings, it reciprocates on the sliding seat 32, the sleeve 33 drives the rack 38 to reciprocate, the rack 38 drives the gear 37 to rotate reciprocally, and the gear 37 drives the nozzle 36 to reciprocate in the second direction through the connecting pipe 35; thus, the nozzle 36 can reciprocate in two intersecting directions, so that the gas ejected from the nozzle 36 acts on the dust in multiple directions reciprocally, thereby improving the removal rate of dust with strong adhesion in the cabinet 1.

[0031] See Figures 1 - 4, in other embodiments, the air outlet of the nozzle 36 is flat, and the air outlet of the nozzle 36 intersects both the hinge axis of the connecting pipe 35 and the hinge axis of the sliding seat 32. By setting the air outlet of the nozzle 36 to be flat, it is possible to increase the air pressure while also increasing the area of action on electrical equipment such as switches inside the cabinet 1; and by setting the air outlet of the nozzle 36 to intersect the hinge axis of the connecting pipe 35 and the air outlet of the nozzle 36 to intersect the hinge axis of the sliding seat 32, the cleaning effect on electrical equipment such as switches inside the cabinet 1 is further improved.

[0032] See Figures 1 - 4 , in other embodiments, the drive mechanism 4 includes: a worm gear 41, a worm 42, a spline shaft 43, a reciprocating lead screw 44, a nut seat 45, and a toggle plate 46; the worm 42 is coaxially fixed to the main shaft of the cooling fan 2; the worm gear 41 is rotatably mounted on the cabinet 1, and the worm gear 41 meshes with the worm 42; the spline shaft 43 is coaxially and slidably inserted into the worm gear 41; the reciprocating lead screw 44 is coaxially fixed to the spline shaft 43; the nut seat 45 is connected to the reciprocating lead screw 44 through a ball screw nut pair; and the nut seat 45 is fixedly installed inside the cabinet 1; the toggle plate 46 is fixedly connected to the reciprocating lead screw 44 to toggle the spray head to swing reciprocally; further, reciprocating lead screws 44 and nut seats 45 are provided at both ends of the spline shaft 43; thereby improving the stability of the movement of the reciprocating lead screw 44 and the spline shaft 43.

[0033] During specific implementation, the main shaft of the cooling fan 2 rotates, the main shaft of the cooling fan 2 drives the worm 42 to rotate, the worm 42 drives the worm gear 41 to rotate and thereby reduces the speed, the worm gear 41 drives the spline shaft 43 to rotate, the spline shaft 43 drives the reciprocating lead screw 44 to rotate, and under the action of the nut seat 45, the spline shaft 43 reciprocates, thus driving the toggle plate 46 to reciprocate, and further being able to toggle the spray head to swing reciprocally.

[0034] See Figures 1 - 4 , in other embodiments, multiple cleaning mechanisms 3 are provided, and multiple spray heads are spaced along the length direction of the toggle plate 46; by providing multiple spray heads along the length direction of the toggle plate 46, one toggle plate 46 can toggle multiple spray heads to swing reciprocally; further, the positions of the multiple spray heads in the length direction of the toggle plate 46 are adjustable; by adjusting the positions of the spray heads, it is possible to perform self-cleaning on specific positions specifically. Further, multiple toggle plates 46 are provided in the length direction of the reciprocating lead screw 44, and spray heads are respectively provided between adjacent two toggle plates 46; thereby being able to toggle multiple spray heads to swing reciprocally simultaneously, increasing the area for removing dust inside the cabinet 1, so as to improve the cleaning effect inside the cabinet 1.

[0035] See Figures 1 - 4, in other embodiments, it further includes: an exhaust fan 5, which is installed on the cabinet 1 to discharge the gas inside the cabinet 1. Through the arrangement of the exhaust fan 5 and in cooperation with the cooling fan 2, the rapid circulation of the gas inside the cabinet 1 can be realized, so as to further enhance the heat dissipation inside the cabinet 1.

[0036] The above are only the preferred embodiments of the present invention, and do not impose any form of limitation on the present invention. Although the present invention has been disclosed above with the preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make some changes or modifications to equivalent embodiments by using the disclosed technical content within the scope of the technical solution of the present invention. However, as long as it does not depart from the content of the technical solution of the present invention, any brief modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A self-cleaning device for a power cabinet, characterized in that: include: A cabinet body, wherein an air outlet is provided on the cabinet body; A cooling fan, wherein one end of the housing of the cooling fan is fixed to the cabinet to form an air intake cavity with the cabinet; and the main shaft of the cooling fan extends into the cabinet; A cleaning mechanism, the cleaning mechanism comprising: a nozzle and a hose; the nozzle is connected to the air inlet cavity through a hose; the nozzle comprises: a mounting frame, a sliding seat, a sleeve, an elastic member, a connecting pipe, a nozzle, a gear and a rack; the mounting frame is installed in the cabinet; one end of the sliding seat is hinged to the mounting frame; the other end of the sliding seat is slidably inserted in the sleeve; and the end of the sleeve away from the sliding seat is slidably abutted against the cabinet; the driving mechanism controls the reciprocating swing of the sleeve; the elastic member applies an elastic force to the sliding seat to slide out of the sleeve; the connecting pipe is connected to the air inlet cavity through a hose; one end of the connecting pipe is connected to the nozzle, the other end of the connecting pipe is hinged to the sliding seat, and the hinge axis of the connecting pipe and the hinge axis of the sliding seat are arranged crosswise; the gear is fixedly connected to the connecting pipe, and the gear and the hinge axis of the connecting pipe are arranged coaxially; the rack is arranged along the length direction of the sliding seat sleeve, and the rack is fixedly connected to the sleeve, and the rack is meshed with the gear; and The nozzle is installed in the cabinet through the driving mechanism, and the rotation of the main shaft of the cooling fan controls the reciprocating swing of the nozzle through the driving mechanism.

2. A self-cleaning device for a power cabinet according to claim 1, characterized in that: The air outlet of the nozzle is arranged in a flat shape, and the air outlet of the nozzle is arranged to intersect with the hinge axis of the connecting pipe and the hinge axis of the sliding seat.

3. The self-cleaning device for a power cabinet according to claim 1, characterized in that: The spray head further comprises: a roller; and one end of the sleeve away from the sliding seat is slidably abutted against the cabinet through the roller.

4. The self-cleaning device for a power cabinet according to claim 1, characterized in that: The driving mechanism includes: a worm wheel, a worm, a spline shaft, a reciprocating screw, a nut seat and a toggle plate; the worm is coaxially fixed to the main shaft of the cooling fan; the worm wheel is rotatably mounted on the cabinet, and the worm wheel is meshing with the worm; the spline shaft is coaxially slidably plugged with the worm wheel; the reciprocating screw is coaxially fixed to the spline shaft; the nut seat is connected to the reciprocating screw through a ball screw nut pair; and the nut seat is fixedly mounted in the cabinet; the toggle plate is fixedly connected to the reciprocating screw to toggle the nozzle to swing back and forth.

5. A self-cleaning device for a power cabinet according to claim 4, characterized in that: Both ends of the spline shaft are provided with a reciprocating screw and a nut seat.

6. A self-cleaning device for a power cabinet according to claim 4, characterized in that: The cleaning mechanism is provided in plurality, and the plurality of nozzles are arranged at intervals along the length direction of the toggle plate.

7. A self-cleaning device for a power cabinet according to claim 6, characterized in that: The positions of the plurality of nozzles in the length direction of the toggle plate are adjustable.

8. The self-cleaning device for a power cabinet according to claim 4, characterized in that: A plurality of the toggle plates are arranged in the length direction of the reciprocating screw, and a nozzle is respectively arranged between two adjacent toggle plates.

9. The self-cleaning device for a power cabinet according to claim 1, characterized in that: Also includes: An exhaust fan is installed on the cabinet to exhaust the gas in the cabinet.

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