CN110935243A - Air cooler with automatic cleaning device - Google Patents
Air cooler with automatic cleaning device Download PDFInfo
- Publication number
- CN110935243A CN110935243A CN201911290371.7A CN201911290371A CN110935243A CN 110935243 A CN110935243 A CN 110935243A CN 201911290371 A CN201911290371 A CN 201911290371A CN 110935243 A CN110935243 A CN 110935243A
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- China
- Prior art keywords
- oil
- filter screen
- lateral wall
- air
- rigid coupling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/70—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
- B01D46/72—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter with backwash arms, shoes or nozzles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/74—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element
- B01D46/76—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element involving vibrations
Abstract
The invention provides an air cooler with an automatic cleaning device, and relates to the technical field of automatic cleaning of coolers. It includes the oil crust, set up respectively in last oil box and the lower oil box of oil crust both sides wall, locate oil crust inner chamber and the intercommunication and locate the cooling tube between last oil box and the lower oil box, it is equipped with the oil inlet with the transformer intercommunication to go up the oil box lateral wall, the oil box lateral wall is equipped with the oil-out with the transformer intercommunication down, air intake and air outlet have been seted up to the oil crust lateral wall, all be equipped with the fan in each air outlet, the oil crust lateral wall is equipped with the filter screen in air intake department, be provided with clean subassembly on the filter screen, clean subassembly includes along the flow direction sliding connection of perpendicular to air in the filter screen activity strip of keeping away from a fan lateral wall, set up on the activity strip and can with the brush of filter screen contact, a driving piece for driving the motion of activity strip. The invention has the beneficial effect of facilitating the cleaning of the filter screen.
Description
Technical Field
The invention relates to the technical field of automatic cleaning of coolers, in particular to an air cooler with an automatic cleaning device.
Background
The transformer oil is generally needed to be used in the transformer, the transformer oil in the transformer can generate heat after the transformer is used for a long time, the transformer oil is required to be led out from the transformer to the cooling pipe at the moment, the transformer oil in the cooling pipe is cooled and then flows back to the transformer, the cooling device is needed to be used when the transformer oil is cooled, dust can continuously enter the cooling device and is attached to the cooling pipe in the application process of the cooling device, when the attached dust on the cooling pipe is too much, the heat dissipation effect of the cooling pipe can be influenced, and therefore the dust-proof device is needed to be used to reduce the dust and is attached to the cooling pipe, and the cooling effect of the transformer oil is guaranteed.
Chinese patent with publication number CN202660967U discloses a dust keeper of air cooler, including the filter screen that covers the outside of the cooling tube bank exposed surface of air cooler and the fixed frame of filter screen that is used for fixed filter screen, the quantity of the fixed frame of filter screen is two, and a frame of the fixed frame of filter screen is fixed respectively on the left side board and the right side board of the cooling tube bank exposed surface of air cooler, and the same couple type elongated slot has all been opened along length direction to another frame, the filter screen has last horizontal pole and sheer pole, and last horizontal pole and sheer pole are arranged in the couple type elongated slot of the fixed frame of filter screen. When the air cooler is used, firstly, a plurality of filter screens are arranged on the left side plate, the right side plate, the upper end plate and the lower end plate or the reinforcing ribs of the exposed surface of the cooling tube bundle of the air cooler to form a plurality of rectangular frame outer parts, and then, the filter screen fixing frame is fixed on the left side plate and the right side plate by screws so that the filter screens are fixed outside the exposed surface of the cooling tube bundle, namely, the installation process is completed; after the filter screen cleaning device is used for a period of time and needs cleaning, the filter screen fixing frame is firstly detached, and then the filter screen can be cleaned after being taken down.
The above prior art solutions have the following drawbacks: when the dust accumulated on the filter screen is too much and needs to be cleaned, the filter screen needs to be detached and then cleaned, and the operation process is complex.
Disclosure of Invention
The invention aims to provide an air cooler with an automatic cleaning device, which has the effect of conveniently cleaning a filter screen.
The above object of the present invention is achieved by the following technical solutions:
an air cooler with an automatic cleaning device comprises an oil shell, an oil feeding box, an oil discharging box and a plurality of cooling pipes, wherein the oil feeding box and the oil discharging box are arranged on two side walls of the oil shell, the oil shell inner cavity and the oil feeding box are arranged in a communicated mode, the plurality of cooling pipes are arranged between the oil feeding box and the oil discharging box, the oil feeding box side wall is provided with an oil inlet communicated with a transformer, the oil discharging box side wall is provided with an oil outlet communicated with the transformer, at least one air inlet is formed in the oil shell side wall, the oil shell side wall is right opposite to one side wall of the air inlet, the air flowing direction is towards one side of the air outlet from one side of the air inlet, a fan is arranged in each air outlet, a filter screen is arranged at the position, on the air inlet, of the oil shell side wall, a cleaning assembly is arranged on the filter screen and comprises a movable strip, The hair brush is arranged on the movable strip and can be in contact with the filter screen, the first driving piece is used for driving the movable strip to move, and the control assembly is communicated with the first driving piece.
By adopting the technical scheme, when the transformer works, the transformer oil in the transformer flows into the upper oil box from the oil inlet, then flows into the plurality of cooling pipes from the upper oil box, then enters the lower oil box from the cooling pipes, and then flows back into the transformer from the oil outlet, and the oil shell is arranged to prevent dust in air from attaching to the surface of the cooling pipes; when the transformer oil flows along the cooling pipe, the fan rotates, and when the fan rotates, the air in the oil shell is accelerated to flow, so that the heat dissipation on the surface of the cooling pipe can be accelerated, and the transformer oil is cooled. When the cooler is used for a long time, the dust and dirt are isolated by the filter screen, so that the dust and dirt are difficult to enter the cooler to pollute a cooling material; when the dust on the filter screen is too much, the control assembly drives the operation of the first driving piece to clean, when clean, the first driving piece drives the movable strip to move along the side wall of the filter screen, the movable strip drives the synchronous movement of the hairbrush when moving, alright sweep the dust on the filter screen, thereby the dust on the filter screen is cleaned after the filter screen is dismounted when the dust attached to the surface of the filter screen is too much without waiting, the dust on the filter screen can be swept when a small amount of dust is attached to the filter screen, so that the filter screen can be kept in a relatively clean state, the dustproof effect of the filter screen can be improved, and the filter screen can be cleaned conveniently.
The invention is further configured to: the material of filter screen is flexible material, activity strip lateral wall rigid coupling has the scraper blade, scraper blade lateral wall rigid coupling has a plurality of one end and can stretches into scrape the material piece in the filter screen mesh, it keeps away from to scrape the material one side of scraper blade is the button head.
Through adopting above-mentioned technical scheme, the flitch motion is scraped in the drive of through driving the scraper blade motion during activity strip motion, scrapes the material piece and can make the filter screen take place to shake in order to shake the dust on the filter screen down along the filter screen motion time to can further clean the filter screen cleaner.
The invention is further configured to: the oil crust outer wall in air intake periphery rigid coupling has the windshield frame of rectangle frame form, the filter screen rigid coupling in the windshield frame is kept away from a lateral wall of oil crust, be provided with on the windshield frame with the direction of motion subassembly that the activity strip is connected, first driving piece include the axis with the direction of motion of activity strip is parallel and rotate connect in the screw rod of windshield frame lateral wall, with screw rod threaded connection and with the screw nut of activity strip rigid coupling and be used for the drive screw rod pivoted first motor.
By adopting the technical scheme, when the movable strip moves, namely the first motor drives the screw rod to rotate, the guide assembly has a guide effect on the movable strip and the movable strip is fixedly connected with the screw nut, so the guide assembly has a guide effect on the screw nut, the screw rod can drive the screw nut to rotate relative to the screw nut when rotating, and the screw nut can drive the movable strip to move along the axis direction parallel to the screw rod when rotating. The driving mode has simple structure, can drive the movable strip to do reciprocating motion, can fix the movable strip at any position, and has higher adjustability.
The invention is further configured to: the control assembly comprises a wind pressure and wind volume sensor arranged at the air inlet, a temperature sensor arranged in the oil casing, and a controller communicated with the first motor, wherein the wind pressure and wind volume sensor is arranged at the air inlet.
By adopting the technical scheme, when dust and dirt accumulate day and month, the filter screen is blocked, after the filter screen is blocked, the air pressure at the air inlet is reduced, and when the partial pressure air quantity sensor detects that the air pressure is reduced, a signal is transmitted to the controller, so that the controller can control the cleaning assembly to clean the filter screen; meanwhile, if the filter screen is blocked and the temperature in the oil shell rises, the ventilation effect of the filter screen is poor, so that when the temperature sensor detects that the air temperature rises, a signal is transmitted to the controller, and the controller can control the cleaning assembly to clean the filter screen; when the wind pressure and wind quantity sensor detects that the wind quantity at the wind inlet reaches a normal value or the temperature sensor detects that the temperature in the oil shell reaches a normal value, the controller can control the first motor to stop running. Multiple monitoring is carried out by arranging the wind pressure and wind quantity sensor and the temperature sensor, so that the cleaning effect on the filter screen can be improved.
The invention is further configured to: the inner wall of the wind-shielding frame is fixedly connected with a plurality of atomizing nozzles communicated with a water source, the nozzles of the atomizing nozzles face towards one side of the filter screen, and the side wall of the movable strip is fixedly connected with at least one piece of first water absorption cotton which can be contacted with the filter screen.
Through adopting above-mentioned technical scheme, when first driving piece drove the motion of activity strip, atomizer sprays water smoke on towards the filter screen, and water smoke is attached to the filter screen, drives first cotton synchronous motion that absorbs water during the motion of activity strip, can absorb the water smoke that is attached to on the filter screen during the motion of first cotton that absorbs water, also can further clean the filter screen totally. Through setting up atomizer and first cotton that absorbs water can be with not being dropped by the vibrations and the dust that is not brushed by the brush and falls further clean up, can improve the clean effect to the filter screen.
The invention is further configured to: the wind shield is characterized in that a flexible waterproof curtain is arranged in the wind shield frame, one end of the flexible waterproof curtain is fixedly connected with any inner wall of the wind shield frame, the other end of the waterproof curtain is connected to the inner wall of the wind shield frame in a sliding mode along the direction perpendicular to the air flowing direction, the waterproof curtain is arranged in the middle position of the fan and the atomizing nozzle, and a second driving piece used for driving the free end of the waterproof curtain to move is arranged on the wind shield frame.
Through adopting above-mentioned technical scheme, before the atomizer water spray, the free end that the second driving piece drove waterproof curtain moves to the stiff end one side of keeping away from waterproof curtain, until the free end and the contact of windshield frame inner wall of waterproof curtain, alright prevent that the water smoke from passing through the air intake gets into in the oil jacket, can prevent that the water smoke from leading to the rusty condition of cooling tube to take place when attaching to the cooling tube surface.
The invention is further configured to: and a second absorbent cotton is arranged on one side of the waterproof curtain close to the atomizing spray head.
Through adopting above-mentioned technical scheme, when atomizer jetted water smoke towards filter screen one side, have partial water smoke and move towards waterproof curtain one side, the cotton absorption of absorbing by the second when water smoke moves to waterproof curtain department. Through setting up the second cotton that absorbs water can prevent that water smoke from gathering into the water droplet on waterproof curtain surface and dropping after.
The invention is further configured to: the second driving piece includes two rotation connect in the synchronizing wheel of windshield frame outer wall, connect in hold-in range between the synchronizing wheel, be used for the drive arbitrary synchronizing wheel pivoted second motor and one end with the hold-in range rigid coupling other end with the free end rigid coupling of waterproof curtain just passes the second switching piece of windshield frame lateral wall, the hold-in range is on a parallel with the direction of motion of waterproof curtain free end, the windshield frame lateral wall runs through and has seted up and dodge the groove, dodge the groove along being on a parallel with the direction of motion setting of second switching piece, second switching piece sliding connection in dodge the inslot.
Through adopting above-mentioned technical scheme, when the second driving piece drove the free end motion of waterproof curtain, the second motor drove the synchronizing wheel motion, drove hold-in range and another round of motion during the synchronizing wheel motion, drove the second switching piece during the hold-in range motion along dodging the groove motion, during the motion of second switching piece alright drive the free end motion of waterproof curtain. The driving mode has simple structure and easy maintenance, and can drive the waterproof curtain to move back and forth.
The invention is further configured to: two inner walls of the avoidance groove parallel to the moving direction of the second switching block are oppositely provided with flexible protection sheets, and one sides of the avoidance groove opposite to the protection sheets are in mutual contact.
Through adopting above-mentioned technical scheme, when the second switching piece moved, with the corresponding position orientation one side separation that deviates from mutually of two protection pieces, two protection pieces recovered to the original state after the second switching piece left. Through setting up the protection piece can prevent that water smoke from dodging in the groove gets into the oil casing.
In conclusion, the beneficial technical effects of the invention are as follows:
1. the dust on the filter screen is automatically removed by arranging the cleaning component, so that the dust can be removed when the dust on the filter screen is less, and the filter screen does not need to be detached for cleaning when the dust accumulated on the filter screen is excessive, so that the workload of operators is reduced, and the filter screen can be cleaned more cleanly;
2. the scraper block generates vibration when moving along the filter screen, so that dust on the filter screen can be shaken off, and the filter screen can be cleaned more cleanly;
3. through setting up atomizer and first cotton that absorbs water can be further clean with the shake-down dust that is not brushed and scrapes the material piece by the brush, can be with cleaner of filter screen clearance.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic sectional view taken along the line A-A in FIG. 1;
FIG. 3 is a schematic cross-sectional view taken along line B-B of FIG. 1;
FIG. 4 is a schematic view of the cleaning assembly of the present invention;
FIG. 5 is a schematic structural diagram of the first driving member of the present invention, which is intended to show the connection manner of the first driving member and the movable bar;
fig. 6 is a schematic structural diagram of the second driving member of the present invention, and is intended to show the connection manner of the second driving member and the waterproof curtain.
In the figure, 1, oil shell; 11. an oil feeding box; 12. an oil feeding box; 13. a cooling tube; 14. an oil inlet; 15. an oil outlet; 16. an air inlet; 17. a fan; 18. an air outlet; 2. a wind-shielding frame; 21. an atomizing spray head; 22. a waterproof curtain; 221. second absorbent cotton; 23. an avoidance groove; 24. a protective sheet; 3. a filter screen; 4. a cleaning assembly; 41. a movable bar; 42. a brush; 421. a connecting plate; 43. a squeegee; 44. a scraper block; 45. first absorbent cotton; 5. a first driving member; 51. a screw; 52. a lead screw nut; 53. a first motor; 54. a first transfer block; 55. a rotating seat; 6. a guide assembly; 61. a first linear slide rail; 62. a first linear slide; 71. a second linear slide rail; 72. a second linear slide; 8. a second driving member; 81. a synchronizing wheel; 82. a synchronous belt; 83. a second motor; 84. a second transfer block; 85. a mounting seat; 91. a wind pressure and wind volume sensor; 92. a controller; 93. a temperature sensor.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, the air cooler with an automatic cleaning device disclosed by the invention comprises a rectangular oil shell 1 which is arranged in a hollow manner, an upper oil box 11 and a lower oil box 12 which are respectively welded on two opposite side walls of the oil shell 1, and a plurality of cooling pipes 13 which are arranged in an inner cavity of the oil shell 1 and are communicated between the upper oil box 11 and the lower oil box 12, wherein an oil inlet 14 communicated with a transformer is arranged on the side wall of the upper oil box 11, and an oil outlet 15 communicated with the transformer is arranged on the side wall of the lower oil box 12.
Referring to fig. 1 and 3, in this embodiment, the oil casing 1 is a rectangular closed structure, any side wall of the oil casing 1 is provided with at least one air inlet 16, in this embodiment, the number of the air inlets 16 is two, one side wall of the oil casing 1, which faces the air inlet 16, is provided with an air outlet 18, a fan 17 is fixedly connected in each air outlet 18 through a screw, and the air flow direction is from one side of the air inlet 16 to one side of the air outlet 18, and the air supply direction of the fan 17 is along the horizontal direction; the outer wall of the oil casing 1 is welded with the wind-blocking frame 2 in the periphery of the air inlet 16, the side wall of the oil casing 1 is provided with the filter screen 3 along the vertical direction on one side of the wind-blocking frame 2 close to the outside of the oil casing 1, the edge of the filter screen 3 is fixed on the inner wall of one end of the wind-blocking frame 2 far away from the oil casing 1 through screws, the material of the filter screen 3 is flexible, and the material of the filter screen 3 is polyethylene plastic in the embodiment.
Referring to fig. 3 and 4, the filter screen 3 is provided with a cleaning assembly 4, the cleaning assembly 4 includes a movable bar 41 slidably connected to a side wall of the filter screen 3 away from the fan 17 along a direction perpendicular to the air flow direction, a brush 42 disposed on the movable bar 41 and capable of contacting with the filter screen 3, a first driving member 5 for driving the movable bar 41 to move, and a control assembly communicated with the first driving member 5; a connecting plate 421 is fixed on one side of the movable strip 41 close to the filter screen 3 through screws, and the brush 42 is fixedly connected with the connecting plate 421 through glue; a scraping plate 43 is welded on the side wall of the movable strip 41 close to the filter screen 3, a plurality of scraping blocks 44 with one ends capable of extending into the meshes of the filter screen 3 are welded on the side wall of the scraping plate 43 close to the filter screen 3, and the side of each scraping block 44 far away from the scraping plate 43 is a round head; the inner wall rigid coupling of windshield frame 2 has a plurality of atomizer 21 with the water source intercommunication, the equal rigid coupling of each inner wall of windshield frame 2 has two atomizer 21 in this embodiment, communicate through the raceway between a plurality of atomizer 21, atomizer 21's nozzle is towards filter screen 3 lopsidedness, activity strip 41 is close one side of filter screen 3 and has an at least first cotton 45 that absorbs water that can contact with filter screen 3 through the glue rigid coupling, the material of first cotton 45 that absorbs water is the sponge that absorbs water in this embodiment, the number of first cotton 45 that absorbs water is two, and be located the one side that scraper blade 43 and brush 42 deviate from mutually respectively.
Referring to fig. 3 and 5, the wind-break frame 2 is provided with a guide assembly 6 connected with the movable bar 41, and the guide assembly 6 includes a first linear sliding rail 61 fixed to the outer wall of the wind-break frame 2 by screws along a moving direction parallel to the movable bar 41, and a first linear sliding block 62 slidably connected to the first linear sliding block 62 along the moving direction parallel to the movable bar 41. The first driving member 5 includes a screw 51 whose axis is parallel to the moving direction of the movable bar 41 and is rotatably connected to the outer wall of the wind-blocking frame 2, a screw nut 52 which is in threaded connection with the screw 51 and is fixedly connected with the movable bar 41 and the first linear slide rail 61, and a first motor 53 for driving the screw 51 to rotate, the screw nut 52 is fixedly connected with a first adapter 54 which is fixedly connected with the first linear slider 62 and the movable bar 41, the outer wall of the wind-blocking frame 2 is welded with rotating seats 55 at two ends of the screw 51, two ends of the screw 51 are rotatably connected with the rotating seats 55, the first motor 53 is a servo motor and is fixedly connected with any one of the rotating seats 55 through a screw, and an output shaft of the first motor 53 is coaxially fixedly connected with the screw 51. The control assembly comprises a wind pressure and wind volume sensor 91 fixedly connected with the air inlet 16 through screws, a temperature sensor 93 fixedly connected with the inner wall of the oil casing 1 through screws, and a controller 92 electrically communicated with the wind pressure and wind volume sensor 91, the temperature sensor 93 and the first motor 53, wherein the controller 92 is fixedly connected with the outer wall of the wind shielding frame 2 through screws.
Referring to fig. 6, a flexible waterproof curtain 22 is arranged in the windshield frame 2, one end of the flexible waterproof curtain is fixedly connected with any inner wall of the windshield frame 2 through glue, the other end of the waterproof curtain 22 is connected to the inner wall of the windshield frame 2 in a sliding manner along a direction perpendicular to the air flow direction, the waterproof curtain 22 is made of oilcloth, a second absorbent cotton 221 is fixedly connected to one side, close to the atomizing nozzle 21, of the waterproof curtain 22 through glue, the second absorbent cotton 221 is made of absorbent sponge, and the waterproof curtain 22 is arranged in the middle position between the fan 17 and the atomizing nozzle 21; two inner walls of the wind-blocking frame 2 parallel to the free end movement direction of the waterproof curtain 22 are fixedly connected with a second linear slide rail 71 through screws, the second linear slide rail 71 is arranged along the movement direction parallel to the free end of the waterproof curtain 22, a second linear slide block 72 is connected on the second linear slide rail 71 along the movement direction parallel to the free end of the waterproof curtain 22 in a sliding manner, and the two sides of the waterproof curtain 22 are in contact with the side wall of the second linear slide rail 71 in a stretching state.
Referring to fig. 6, a second driving member 8 for driving the free end of the waterproof curtain 22 to move is arranged on the windshield frame 2, the second driving member 8 includes two synchronizing wheels 81 rotatably connected to the outer wall of the windshield frame 2, a synchronizing belt 82 connected between the synchronizing wheels 81, a second motor 83 for driving any one of the synchronizing wheels 81 to rotate, and a second transfer block 84, one end of which is fixedly connected to the synchronizing belt 82 and the other end of which is fixedly connected to the free end of the waterproof curtain 22 and penetrates through the side wall of the windshield frame 2, the synchronizing belt 82 is parallel to the moving direction of the free end of the waterproof curtain 22, a mounting seat 85 is welded on the side wall of the windshield frame 2, the second motor 83 is a servo motor and is fixedly connected to the mounting seat 85 through a screw, and the output shaft of the second motor 83 is coaxially connected; an avoiding groove 23 penetrates through the side wall of the wind-shielding frame 2, the avoiding groove 23 is arranged along the moving direction parallel to the second transfer block 84, and the second transfer block 84 is connected in the avoiding groove 23 in a sliding manner; dodge two inner walls of groove 23 and be on a parallel with second switching piece 84 direction of motion and be provided with flexible protection piece 24 relatively, two just right one sides of protection piece 24 contact each other, and the material of protection piece 24 is the rubber piece in this embodiment and through glue adhesion in dodging groove 23 inner wall.
The implementation principle of the embodiment is as follows: in the using process of the transformer, the transformer oil enters the upper oil box 11 through the oil inlet 14, flows into the lower oil box 12 through the plurality of cooling pipes 13 communicated with the upper oil box 11, and then flows back to the transformer from the lower oil box 12 through the oil outlet 15. When the transformer oil passes through the cooling pipe 13, the fan 17 rotates to accelerate the air flow in the oil shell 1, so that the heat dissipation of the cooling pipe 13 is accelerated, and the cooling effect of the transformer oil is achieved.
When more dust is accumulated on the filter screen 3, the air volume at the air inlet 16 is reduced, at this time, the air volume is reduced by the air pressure and air volume sensor 91, and then a signal is transmitted to the controller 92, and the controller 92 receives the signal to control the first motor 53 to start rotating; or, when more dust is deposited on the filter screen 3, the ventilation and heat dissipation effect of the oil casing 1 is deteriorated, the temperature in the oil casing 1 rises, the temperature sensor 93 detects the temperature rise in the oil casing 1 and transmits a signal to the controller 92, and the controller 92 receives the signal and controls the first motor 53 to start rotating; the first motor 53 drives the screw rod 51 to rotate, the screw rod 51 drives the screw rod nut 52 to rotate relative to the screw rod nut 51 when rotating, the screw rod nut 52 drives the movable strip 41 to move while rotating, the movable strip 41 drives the brush 42, the scraping block 44 and the first absorbent cotton 45 to move synchronously when moving, the brush 42 can sweep dust on the surface of the filter screen 3 when moving, and the scraping block 44 stirs the filter screen 3 when moving, so that the filter screen 3 vibrates, and the dust on the filter screen 3 is shaken off; after the dust is shaken off, when the wind pressure and wind quantity sensor 91 detects that the wind quantity is recovered to a normal value, a signal is transmitted to the controller 92, and the controller 92 can control the first motor 53 to stop running.
When dust on the filter screen 3 is difficult to be brushed off or shaken off by the brush 42, the second motor 83 drives the synchronous belt 82 to move by driving the synchronous wheel 81 to rotate, the synchronous belt 82 moves by driving the second switching block 84 to move until the free end of the waterproof curtain 22 moves to contact with the inner wall of the windshield frame 2, the waterproof curtain 22 is stretched and then sprayed with water by the atomizing nozzle 21 towards the filter screen 3, the first motor 53 drives the first absorbent cotton 45 to move along the filter screen 3 to absorb water drops on the filter screen 3 while the atomizing nozzle 21 sprays water, so that the filter screen 3 can be cleaned up, and the second motor 83 drives the free end of the waterproof curtain 22 to move towards one side of the fixed section of the waterproof curtain 22 to fold the waterproof curtain 22 after the filter screen 3 is cleaned up.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (9)
1. The utility model provides an air cooler with self-cleaning device, including oil casing (1) that cavity set up, set up respectively in last oil box (11) and lower oil box (12) of oil casing (1) both sides wall and locate oil casing (1) inner chamber and intercommunication are located go up many cooling tubes (13) between oil box (11) and lower oil box (12), it is equipped with oil inlet (14) with the transformer intercommunication to go up oil box (11) lateral wall, and lower oil box (12) lateral wall is equipped with oil-out (15) with the transformer intercommunication, its characterized in that: at least one air inlet (16) has been seted up to oil shell (1) lateral wall, oil shell (1) lateral wall is just right a lateral wall of air inlet (16) is equipped with air outlet (18), the flow direction of air be by air inlet (16) one side orientation air outlet (18) one side, each all be equipped with fan (17) in air outlet (18), oil shell (1) lateral wall in air inlet (16) department is equipped with filter screen (3), be provided with clean subassembly (4) on filter screen (3), clean subassembly (4) including along the flow direction sliding connection of perpendicular to air in filter screen (3) are kept away from movable strip (41) of a lateral wall of fan (17), set up in on movable strip (41) and can with brush (42), the drive of filter screen (3) contact first driving piece (5) of activity strip (41) motion, A control assembly in communication with the first drive member (5).
2. A wind cooler with automatic cleaning device according to claim 1, characterized in that: the material of filter screen (3) is flexible material, activity strip (41) lateral wall rigid coupling has scraper blade (43), scraper blade (43) lateral wall rigid coupling has a plurality of one end and can stretches into scraper block (44) in filter screen (3) mesh, scraper block (44) are kept away from one side of scraper blade (43) is the button head.
3. A wind cooler with automatic cleaning device according to claim 1, characterized in that: oil casing (1) outer wall in air intake (16) periphery rigid coupling has windshield frame (2) of rectangle frame form, filter screen (3) rigid coupling in windshield frame (2) are kept away from a lateral wall of oil casing (1), be provided with on windshield frame (2) with direction subassembly (6) that activity strip (41) are connected, first driving piece (5) include the axis with the parallel and rotation of the direction of motion of activity strip (41) connect in the screw rod (51) of windshield frame (2) lateral wall, with screw rod (51) threaded connection and with screw nut (52) of activity strip (41) rigid coupling and be used for the drive screw rod (51) pivoted first motor (53).
4. A wind cooler with automatic cleaning device according to claim 3, characterized in that: the control assembly comprises a wind pressure and air volume sensor (91) arranged at the air inlet (16), a temperature sensor (93) arranged in the oil casing (1), and a controller (92) communicated with the wind pressure and air volume sensor (91), the temperature sensor (93) and the first motor (53).
5. A wind cooler with automatic cleaning device according to claim 3, characterized in that: windshield frame (2) inner wall rigid coupling has atomizer (21) a plurality of and water source intercommunication, the nozzle orientation of atomizer (21) filter screen (3) one side slope, activity strip (41) lateral wall rigid coupling have can with at least one first cotton (45) of absorbing water of filter screen (3) contact.
6. The air cooler with automatic cleaning device according to claim 5, characterized in that: be provided with one end in windshield frame (2) with flexible waterproof curtain (22) of the arbitrary inner wall rigid coupling of windshield frame (2), waterproof curtain (22) other end along perpendicular to air flow direction sliding connection in windshield frame (2) inner wall, waterproof curtain (22) set up in fan (17) with the intermediate position department of atomizer (21), be equipped with on windshield frame (2) and be used for the drive the second driving piece (8) of the free end motion of waterproof curtain (22).
7. The air cooler with automatic cleaning device according to claim 6, characterized in that: one side of the waterproof curtain (22) close to the atomizing nozzle (21) is provided with second absorbent cotton (221).
8. The air cooler with automatic cleaning device according to claim 6, characterized in that: second driving piece (8) include two rotate connect in synchronizing wheel (81), connect in hold-in range (82) between synchronizing wheel (81), be used for the drive arbitrary synchronizing wheel (81) pivoted second motor (83) and one end with hold-in range (82) rigid coupling other end with the free end rigid coupling of waterproof curtain (22) just passes the second switching piece (84) of windshield frame (2) lateral wall, hold-in range (82) are on a parallel with the direction of motion of waterproof curtain (22) free end, windshield frame (2) lateral wall runs through and has seted up and dodge groove (23), dodge groove (23) along being on a parallel with the direction of motion of second switching piece (84) sets up, second switching piece (84) sliding connection in dodge in groove (23).
9. A wind cooler with automatic cleaning apparatus according to claim 8, wherein: two inner walls of the avoidance groove (23) parallel to the movement direction of the second transfer block (84) are provided with flexible protection sheets (24) oppositely, and one sides of the avoidance groove (23) opposite to the protection sheets (24) are in contact with each other.
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| CN201911290371.7A CN110935243A (en) | 2019-12-13 | 2019-12-13 | Air cooler with automatic cleaning device |
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| CN201911290371.7A CN110935243A (en) | 2019-12-13 | 2019-12-13 | Air cooler with automatic cleaning device |
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| CN110935243A true CN110935243A (en) | 2020-03-31 |
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| CN113654166A (en) * | 2021-10-20 | 2021-11-16 | 南通华信中央空调有限公司 | Air conditioner filter screen with clean warning function |
| CN114712960A (en) * | 2022-03-23 | 2022-07-08 | 安徽新智创节能科技有限公司 | Oil smoke purifying equipment inside pipeline |
| CN115318025A (en) * | 2022-10-17 | 2022-11-11 | 南通海阳节能环保科技有限公司 | Self-cleaning air filtering device for atmosphere pollution prevention and control |
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