CN111828211A - Self-cleaning air filter device - Google Patents

Self-cleaning air filter device Download PDF

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Publication number
CN111828211A
CN111828211A CN202010658382.2A CN202010658382A CN111828211A CN 111828211 A CN111828211 A CN 111828211A CN 202010658382 A CN202010658382 A CN 202010658382A CN 111828211 A CN111828211 A CN 111828211A
Authority
CN
China
Prior art keywords
rotating shaft
filter screen
self
driving mechanism
water tank
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010658382.2A
Other languages
Chinese (zh)
Inventor
胡坤强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DONGFENG SPECIAL VEHICLE (SHIYAN) BUS CO LTD
Original Assignee
DONGFENG SPECIAL VEHICLE (SHIYAN) BUS CO LTD
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by DONGFENG SPECIAL VEHICLE (SHIYAN) BUS CO LTD filed Critical DONGFENG SPECIAL VEHICLE (SHIYAN) BUS CO LTD
Priority to CN202010658382.2A priority Critical patent/CN111828211A/en
Publication of CN111828211A publication Critical patent/CN111828211A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/02—Air cleaners
    • F02M35/024—Air cleaners using filters, e.g. moistened
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • F01P11/06—Cleaning; Combating corrosion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • F01P11/12—Filtering, cooling, or silencing cooling-air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • F01P11/14—Indicating devices; Other safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/02—Air cleaners
    • F02M35/08—Air cleaners with means for removing dust, particles or liquids from cleaners; with means for indicating clogging; with by-pass means; Regeneration of cleaners
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/02—Air cleaners
    • F02M35/08—Air cleaners with means for removing dust, particles or liquids from cleaners; with means for indicating clogging; with by-pass means; Regeneration of cleaners
    • F02M35/086—Dust removal by flushing, blasting, pulsating or aspirating flow, washing or the like; Mechanical dust removal, e.g. by using scrapers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/02—Air cleaners
    • F02M35/08—Air cleaners with means for removing dust, particles or liquids from cleaners; with means for indicating clogging; with by-pass means; Regeneration of cleaners
    • F02M35/09—Clogging indicators ; Diagnosis or testing of air cleaners
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • F01P11/06—Cleaning; Combating corrosion
    • F01P2011/063—Cleaning

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

The invention relates to a self-cleaning air filtering device, which comprises a driving mechanism, a filter screen and a control mechanism for controlling the driving mechanism; the filter screen is of an annular barrel-shaped structure, is driven by a driving mechanism and rotates around a closed ring formed by a main driving shaft and a rotating shaft of the driving mechanism. The annular barrel-shaped filter screen achieves the self-cleaning effect in the process of annular movement around the closed ring; the operating efficiency of engineering machine tool and agricultural machine when work under adverse circumstances has greatly been improved, and it is higher that it promotes efficiency more abominable that the operational environment is located, is applied to various devices that need carry out air filter.

Description

Self-cleaning air filter device
Technical Field
The invention belongs to the technical field of agricultural machinery and special automobiles, and relates to a self-cleaning air filtering device.
Background
Because engine water tank cooling system and combustion system during operation need consume a large amount of air, in order to guarantee that the engine normally works, engine air intake system is provided with air filter, and water tank cooling system's air inlet face can be provided with the filter screen, filters dust impurity through the filter screen and blocks up with air filter in order to prevent water tank air inlet check and air filter.
The method is used in a conventional working environment and can really play a role in ensuring the normal work of a heat dissipation system and an air intake system. However, due to the severe working environment of the engineering machinery and the agricultural machinery, the filter screen and the air filter element of the water tank heat dissipation system are often blocked, and frequent shutdown is needed to clean and maintain the air inlet filter screen and the filter element. This seriously affects the working efficiency.
Disclosure of Invention
The invention provides a self-cleaning air filtering device for solving the problem that a filter screen and an air filter element of a water tank heat dissipation system are frequently blocked in the prior art, and aims to solve the problem that the filter screen of the filter element needs to be frequently cleaned and maintained when a vehicle works in a severe environment in the prior art.
The invention is realized by the following technical scheme:
the self-cleaning air filtering device comprises a driving mechanism, a filter screen and a control mechanism; the driving mechanism comprises a main driving shaft and a rotating shaft which are driven by a motor; the filter screen is of an annular barrel-shaped structure and is sleeved on the main driving shaft and the rotating shaft; driven by the driving mechanism and rotates around a closed ring formed by the main driving shaft and the rotating shaft; the control mechanism is connected with the driving mechanism and comprises an ECU (electronic control unit) and a differential pressure sensor; the ECU is connected with the motor and is in signal connection with the differential pressure sensor; the differential pressure sensor outputs a signal to the ECU, and the ECU controls the motor to act.
The self-cleaning air filter device, wherein: the device further comprises a scraper; the scraper blade with the rotation direction of filter screen sets up perpendicularly, fixes through the scraper blade fixed bolster the filter screen outside, with filter screen surface contact is connected.
The self-cleaning air filter device, wherein: the rotating shafts comprise a first rotating shaft, a second rotating shaft and a third rotating shaft; the main driving shaft, the first rotating shaft, the second rotating shaft and the third rotating shaft are arranged at four corners of the heat dissipation water tank in parallel and are vertically arranged along the height direction of the heat dissipation water tank; the filter screen rotates around the circumferential direction of the heat dissipation water tank along a closed ring formed by the main driving shaft, the first rotating shaft, the second rotating shaft and the third rotating shaft; the scraper fixing supports are a pair and are respectively fixed on the upper end face and the lower end face of the heat dissipation water tank, and the two ends of the scraper are respectively fixed on the scraper fixing supports through fasteners. The scraper blade is located the back of heat dissipation water tank.
The self-cleaning air filter device, wherein: the device is provided with a bracket; the bracket is of a square frame structure, is arranged outside the cleaning fan of the air inlet system and accommodates the opening end of the air inlet pipe; the motor of the driving mechanism is arranged on the bracket, and the main driving shaft, the first rotating shaft, the second rotating shaft and the third rotating shaft are arranged in parallel and are respectively fixed at four corners of the bracket; the filter screen is sleeved on the support, and the open end of the air inlet pipe is located in the middle of the filter screen.
Has the advantages that:
the self-cleaning air filtering device changes the shape of the filter screen into an annular barrel, the filter screen is entirely sleeved outside a heat dissipation water tank and the like needing to be subjected to air filtering, the motor worm drives the main driving shaft to rotate, the main driving shaft drives the filter screen to rotate along a closed ring formed by the first rotating shaft, the second rotating shaft and the third rotating shaft, the filter screen is subjected to mechanical forces such as stretching and extruding in the rotating process to generate a rubbing effect, a part of pollutants are loosened and dropped, and the pollutants which do not drop are cleaned by the scraper and blown and cleaned by strong wind of the fan when rotating to the back. Thereby achieving the self-cleaning effect. Can guarantee that engineering machine tool and agricultural machine keep unanimous clean maintenance cycle when work under adverse circumstances and when normal environment work to promote the product use impression of operating efficiency promotion driver.
Drawings
FIG. 1 is a front view of an embodiment of a self-cleaning air filtration device of the present invention;
FIG. 2 is a top view of an embodiment of the self-cleaning air filtration device of the present invention;
FIG. 3 is a front view of a second embodiment of the self-cleaning air filtration device of the present invention;
FIG. 4 is a top view of a second embodiment of the self-cleaning air filtration device of the present invention.
Detailed Description
As shown in fig. 1 to 4, the self-cleaning air filter device of the present invention comprises a driving mechanism 1, a filter screen 2, a control mechanism 3, and a scraper 4.
The drive mechanism 1 comprises a main drive shaft 12 driven by a motor 11, a first shaft 13, a second shaft 14 and a third shaft 15.
The filter screen 2 is driven by the driving mechanism 1, is of an annular barrel-shaped structure, and is sleeved outside the main driving shaft 12, the first rotating shaft 13, the second rotating shaft 14 and the third rotating shaft 15; the motor 11 drives the main driving shaft 12 to rotate, and drives the filter screen 2 to rotate around a closed ring formed by the first rotating shaft 13, the second rotating shaft 14 and the third rotating shaft 15.
The control mechanism 3 is connected with the driving mechanism 1 and comprises an ECU electronic control unit 31 and a differential pressure sensor 32; the ECU (electronic control Unit) 31 is connected with the motor 11 and is in signal connection with a differential pressure sensor 32; the differential pressure sensor 32 outputs a signal to the ECU electronic control unit 31, and the ECU electronic control unit 31 controls the motor 11 to work, so as to drive the main driving shaft 12 to drive the filter screen to rotate.
The scraper 4 is arranged perpendicular to the rotation direction of the filter screen 2 and is fixed on the outer side of the filter screen 2 through a scraper fixing support 31; the scraper fixing brackets 41 are a pair, and both ends of the scraper 4 are fixed to the pair of scraper fixing brackets 41 by fasteners, respectively, and are in contact connection with the screen surface of the filter screen 2.
Example 1 takes the heat dissipation and ventilation of the engine heat dissipation water tank as an example
As shown in fig. 1 and 2, a motor 11 of the driving mechanism 1 is arranged at the upper part of the outer side of the heat-dissipating water tank 5, and a main driving shaft 12 is fixed at one corner part of the upper part of the heat-dissipating water tank 5, is vertically arranged along the height direction of the heat-dissipating water tank 5, and is matched with the position of the motor 11; the first rotating shaft 13, the second rotating shaft 14 and the third rotating shaft 15 are respectively fixed at the other three corners of the upper part of the heat dissipation water tank 5 and are arranged at the four corners of the heat dissipation water tank 5 in parallel with the driving shaft;
the filter screen 2 is sleeved outside the heat dissipation water tank 5, and four corners are respectively in pressure joint with the main driving shaft 12, the first rotating shaft 13, the second rotating shaft 14 and the third rotating shaft 15; the motor 11 drives the main driving shaft 12 to rotate, and drives the filter screen 2 to rotate around the circumferential direction of the heat dissipation water tank 5 along a closed ring formed by a first rotating shaft 13, a second rotating shaft 14 and a third rotating shaft 15;
the control mechanism 3 is connected with the driving mechanism 1;
the scraper fixing brackets 41 are respectively fixed on the upper end surface and the lower end surface of the heat dissipation water tank 5, the scraper 4 is positioned on the back surface of the heat dissipation water tank, and the two ends are respectively fixed on the pair of scraper fixing brackets 41 through fasteners and are in contact connection with the screen surface of the filter screen 2.
The working principle of the device is as follows:
change filter screen 2 shape into annular barreled, whole cover is outside at heat dissipation water tank 5, motor 11 worm drives main drive axle 12 rotatoryly, main drive axle 12 drives filter screen 2 along first pivot 13, the closed loop that second pivot 14 and third pivot 15 are constituteed rotates, filter screen 2 receives the drawing around the rotatory in-process of heat dissipation water tank 5, mechanical force such as extrusion, make partly lime-ash not become flexible and drop, the lime-ash that does not drop is when rotatory 5 backs at heat dissipation water tank, drag through scraper blade 4, the extruded effect is not hard up, drop through radiator fan back-blowing clearance at last.
The working state of the device is as follows:
when the heat dissipation system is working normally, the differential pressure sensor 32 outputs no signal, and the motor 11 does not operate. When the filter screen 2 is partially blocked, the differential pressure sensor 32 outputs a signal to the ECU, and the ECU controls the motor 11 to work to drive the filter screen 2 to be clean; after the motor 11 is operated, the ECU detects the output signal of the differential pressure sensor 32 with a delay of 60 seconds: if the differential pressure signal disappears, the motor 11 is shut down; if the pressure difference signal is continuously output for more than three minutes, a fault signal of the heat dissipation cleaning system is reported to a driver;
the device can also be set to work at regular time or run synchronously with the cooling fan to achieve the self-cleaning effect.
Example 2 taking an Engine intake System as an example
As shown in fig. 3 and 4, the self-cleaning air filter device is provided with a bracket 6; the bracket 6 is a square frame structure, is arranged outside the cleaning fan 71 of the air intake system 7, and accommodates the opening end of the air intake pipe 72 therein;
a motor 11 of the driving mechanism 1 is arranged on the bracket 6, and a main driving shaft 12, a first rotating shaft 13, a second rotating shaft 14 and a third rotating shaft 15 are arranged in parallel and respectively fixed at four corners of the bracket 6;
the filter screen 2 is sleeved outside the bracket 6, and four corners are respectively in pressure joint with the main driving shaft 12, the first rotating shaft 13, the second rotating shaft 14 and the third rotating shaft 15; the motor 11 drives the main driving shaft 12 to rotate, and drives the filter screen 2 to rotate around a closed ring formed by the main driving shaft 12, the first rotating shaft 13, the second rotating shaft 14 and the third rotating shaft 15; the open end of the air inlet pipe 72 is positioned in the middle of the filter screen 2;
the control mechanism 3 is connected with the driving mechanism 1 and comprises an ECU electronic control unit 31 and a differential pressure sensor 32; the ECU (electronic control Unit) 31 is connected with the motor 11 and is in signal connection with a differential pressure sensor 32; the differential pressure sensor 32 outputs a signal to the ECU electronic control unit 31, and the ECU electronic control unit 31 controls the motor 11 to work, so as to drive the main driving shaft 12 to drive the filter screen to rotate.
The scraper 4 has a pair of scraper fixing brackets 41 fixed to the upper and lower ends of the bracket 6, respectively, and both ends of the scraper 4 are fixed to the pair of scraper fixing brackets 41 by fasteners, respectively, and are in contact connection with the screen surface of the filter screen 2.
In the embodiment, the air inlet directly extends to the middle of the barrel-shaped filter screen to take air, and the self-cleaning function is easier to realize due to the fact that the periphery of the filter screen is an open space, so that the defect that the periphery of the traditional air inlet filter is closed and cannot realize self-cleaning is overcome
The annular barrel-shaped filter screen 2 is stretched, extruded and the like in the process of annular movement around a radiator, so that a part of ash slag is loosened and falls automatically; in addition, when ash and slag which do not fall off pass through the scraper 4, the part of pollutants are loosened and fall off under the action of scraping and extruding of the scraper 4; finally, the ash which does not fall off is removed under the action of back blowing of the fan in the rotation process. The polluted filter screen device is cleaned through three procedures, so that the self-cleaning effect is achieved.
The invention greatly improves the working efficiency of the engineering machinery and the agricultural machinery when working in severe environment, and the more severe the working environment, the higher the improved efficiency. Taking a cotton harvester as an example: when the cotton harvester is used for harvesting cotton, the cotton is seriously polluted by ash and slag, the machine is stopped to clean the air inlet filter screen once every 20 minutes on average, the cleaning time is 5 minutes every time, the time spent on cleaning the filter screen reaches 108 minutes every day according to 9 hours of working every day. After the self-cleaning system of the heat dissipation system is installed on the cotton harvester, the operation efficiency can be improved by 20% every day, and the efficiency is obviously improved.
The device of the present invention can be applied to various devices requiring air filtration, including but not limited to the above-described heat dissipation system and air intake system.

Claims (5)

1. A self-cleaning air filtration device characterized by: the device comprises a driving mechanism, a filter screen and a control mechanism;
the driving mechanism comprises a main driving shaft and a rotating shaft which are driven by a motor;
the filter screen is of an annular barrel-shaped structure and is sleeved on the main driving shaft and the rotating shaft; driven by the driving mechanism and rotates around a closed ring formed by the main driving shaft and the rotating shaft;
the control mechanism is connected with the driving mechanism and comprises an ECU (electronic control unit) and a differential pressure sensor; the ECU is connected with the motor and is in signal connection with the differential pressure sensor; the differential pressure sensor outputs a signal to the ECU, and the ECU controls the motor to act.
2. A self-cleaning air filtration device as recited in claim 1, wherein: the device further comprises a scraper; the scraper blade with the rotation direction of filter screen sets up perpendicularly, fixes through the scraper blade fixed bolster the filter screen outside, with filter screen surface contact is connected.
3. A self-cleaning air filtration device as recited in claim 2, wherein: the rotating shafts comprise a first rotating shaft, a second rotating shaft and a third rotating shaft; the main driving shaft, the first rotating shaft, the second rotating shaft and the third rotating shaft are arranged at four corners of the heat dissipation water tank in parallel and are vertically arranged along the height direction of the heat dissipation water tank;
the filter screen rotates around the circumferential direction of the heat dissipation water tank along a closed ring formed by the main driving shaft, the first rotating shaft, the second rotating shaft and the third rotating shaft;
the scraper fixing supports are a pair and are respectively fixed on the upper end face and the lower end face of the heat dissipation water tank, and the two ends of the scraper are respectively fixed on the scraper fixing supports through fasteners.
4. A self-cleaning air filtration device as recited in claim 3, wherein: the scraper blade is located the back of heat dissipation water tank.
5. A self-cleaning air filtration device as recited in claim 2, wherein: the device is provided with a bracket; the bracket is of a square frame structure, is arranged outside the cleaning fan of the air inlet system and accommodates the opening end of the air inlet pipe;
the motor of the driving mechanism is arranged on the bracket, and the main driving shaft, the first rotating shaft, the second rotating shaft and the third rotating shaft are arranged in parallel and are respectively fixed at four corners of the bracket;
the filter screen is sleeved on the support, and the open end of the air inlet pipe is located in the middle of the filter screen.
CN202010658382.2A 2020-07-09 2020-07-09 Self-cleaning air filter device Pending CN111828211A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010658382.2A CN111828211A (en) 2020-07-09 2020-07-09 Self-cleaning air filter device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010658382.2A CN111828211A (en) 2020-07-09 2020-07-09 Self-cleaning air filter device

Publications (1)

Publication Number Publication Date
CN111828211A true CN111828211A (en) 2020-10-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010658382.2A Pending CN111828211A (en) 2020-07-09 2020-07-09 Self-cleaning air filter device

Country Status (1)

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CN (1) CN111828211A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113368624A (en) * 2021-06-08 2021-09-10 广东韶钢松山股份有限公司 Automatic cleaning device of radiator
CN114392621A (en) * 2021-12-29 2022-04-26 西安中车永电捷力风能有限公司 Self-cleaning cooling device of direct-cooling wind driven generator

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100091734A (en) * 2009-02-11 2010-08-19 이은관 Air cleaner
CN103961941A (en) * 2014-04-24 2014-08-06 郑文涛 Self-cleaning air filtration device and cleaning method thereof
CN107185314A (en) * 2017-06-21 2017-09-22 利辛县飞达网业有限公司 A kind of self-cleaning, air cleaning device
CN108983914A (en) * 2018-09-13 2018-12-11 郑州赫恩电子信息技术有限公司 A kind of automatically cleaning computer cabinet
CN109745793A (en) * 2019-02-21 2019-05-14 广州市中潭空气净化科技有限公司 A kind of air cleaning facility with dedusting function
CN110743261A (en) * 2019-10-11 2020-02-04 吴文广 Filter structure for outdoor wind driven generator
CN212508596U (en) * 2020-07-09 2021-02-09 东风特汽(十堰)客车有限公司 Self-cleaning air filter device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100091734A (en) * 2009-02-11 2010-08-19 이은관 Air cleaner
CN103961941A (en) * 2014-04-24 2014-08-06 郑文涛 Self-cleaning air filtration device and cleaning method thereof
CN107185314A (en) * 2017-06-21 2017-09-22 利辛县飞达网业有限公司 A kind of self-cleaning, air cleaning device
CN108983914A (en) * 2018-09-13 2018-12-11 郑州赫恩电子信息技术有限公司 A kind of automatically cleaning computer cabinet
CN109745793A (en) * 2019-02-21 2019-05-14 广州市中潭空气净化科技有限公司 A kind of air cleaning facility with dedusting function
CN110743261A (en) * 2019-10-11 2020-02-04 吴文广 Filter structure for outdoor wind driven generator
CN212508596U (en) * 2020-07-09 2021-02-09 东风特汽(十堰)客车有限公司 Self-cleaning air filter device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113368624A (en) * 2021-06-08 2021-09-10 广东韶钢松山股份有限公司 Automatic cleaning device of radiator
CN114392621A (en) * 2021-12-29 2022-04-26 西安中车永电捷力风能有限公司 Self-cleaning cooling device of direct-cooling wind driven generator

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