CN116146388A - Air filter with air inlet compensation and active purging ash removal structure - Google Patents

Air filter with air inlet compensation and active purging ash removal structure Download PDF

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Publication number
CN116146388A
CN116146388A CN202211716492.5A CN202211716492A CN116146388A CN 116146388 A CN116146388 A CN 116146388A CN 202211716492 A CN202211716492 A CN 202211716492A CN 116146388 A CN116146388 A CN 116146388A
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CN
China
Prior art keywords
air
bypass
main
air intake
air inlet
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
CN202211716492.5A
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Chinese (zh)
Inventor
李伟
黄永仲
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Guangxi Yuchai Marine and Genset Power Co Ltd
Original Assignee
Guangxi Yuchai Marine and Genset Power 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.)
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Application filed by Guangxi Yuchai Marine and Genset Power Co Ltd filed Critical Guangxi Yuchai Marine and Genset Power Co Ltd
Priority to CN202211716492.5A priority Critical patent/CN116146388A/en
Publication of CN116146388A publication Critical patent/CN116146388A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/02Air cleaners
    • F02M35/08Air cleaners with means for removing dust, particles or liquids from cleaners; with means for indicating clogging; with by-pass means; Regeneration of cleaners
    • F02M35/086Dust removal by flushing, blasting, pulsating or aspirating flow, washing or the like; Mechanical dust removal, e.g. by using scrapers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/02Air cleaners
    • F02M35/024Air cleaners using filters, e.g. moistened
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10Air intakes; Induction systems
    • F02M35/10006Air intakes; Induction systems characterised by the position of elements of the air intake system in direction of the air intake flow, i.e. between ambient air inlet and supply to the combustion chamber
    • F02M35/10013Means upstream of the air filter; Connection to the ambient air
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • Y02A50/2351Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust

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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 discloses an air filter with an air inlet compensation and active purging ash removal structure, belongs to the technical field of air filters, and solves the problem that air cannot be inlet due to blockage after the conventional air filter is used for a long time. The air filter comprises a main air filter body, wherein the main air filter body comprises a main air inlet cavity, a main filter body and a main air outlet, the main air outlet is arranged at one end of the main air filter body, the other end of the main air filter body is provided with a bypass air filter body, and the bypass air filter body is provided with a bypass air inlet valve for controlling the air inlet of the bypass air filter body. The air filter with the air inlet compensation and active purging ash removal structure provided by the invention ensures that the engine has enough air inlet, effectively improves the safety and reliability of the engine, and has the characteristics of wide application range and strong practicability.

Description

Air filter with air inlet compensation and active purging ash removal structure
Technical Field
The invention relates to the technical field of air filters, in particular to an air filter with an air inlet compensation and active purging ash removing structure.
Background
Conventionally, an air cleaner for an internal combustion engine is used for filtering intake air of the internal combustion engine, and the air cleaner can adsorb dirt such as dust and oil mist in the sucked air on a filter medium or separate dust, particles, oil dirt and the like in the intake air by a cyclone centrifugation method. The cleanliness of the air inlet is ensured, and the problems of piston cylinder pulling, abnormal abrasion of a valve seat ring sealing belt and the like caused by poor air inlet cleanliness are avoided; and ensuring enough air inflow to avoid the problems of power reduction, combustion deterioration and the like caused by insufficient air inflow of the engine. Common filter materials of the air filter comprise filter paper, non-woven fabrics and steel wire meshes, and for desert air filtration, the air inlet is adsorbed and separated by using a cyclone centrifugal structure oil bath, filter paper and other modes.
The existing air filter, especially the filter core adopts the air filter of paper or wire net, after using for a long time, dust, granule, dirt such as oil stain glue the filter core surface back, the filtration resistance of air filter can obviously increase, if not in time change, can lead to the engine air input not enough, the performance worsens, under extreme circumstances, the air filter can be by great engine suction or booster's compressor suction that admits air is inhaled to the flat, if the inner structure after the air filter is inhaled flat is destroyed and is produced and drop, the foreign matter that drops will get into the air intake system of engine until getting into in the cylinder, the moving parts such as piston, the valve of engine will cause the damage, seriously influence the operational safety and the reliability of engine.
Disclosure of Invention
The invention aims to solve the technical problems of the prior art, and provides the air filter with the air inlet compensation and active purging ash removal structure, which ensures that the engine has enough air inlet, effectively improves the safety and reliability of the engine and has the characteristics of wide application range and strong practicability.
The technical scheme adopted by the invention is as follows: the utility model provides an air cleaner with compensation of admitting air and initiative purge ash removal structure, includes main air cleaner body, main air cleaner body include main air inlet chamber, main filter body and main gas outlet, main gas outlet arrange in main air cleaner body one end, main air cleaner body other end be equipped with bypass air cleaner body, bypass air cleaner body on be equipped with the bypass admission valve that is used for controlling bypass air cleaner body air inlet, keep away from main air cleaner body one end of main gas outlet on be equipped with the air supplement unit with main air inlet chamber intercommunication, bypass air cleaner body on be equipped with position switch, position switch's contact probe and bypass admission valve contact, position switch and air supplement unit electric connection.
As a further improvement, the bypass air filter body comprises a bypass air inlet cavity cover plate, a bypass filter body and a bypass air inlet cavity, wherein the bypass air inlet cavity cover plate is arranged on the opening end of the bypass filter body, a bypass air inlet channel is formed in the bypass air inlet cavity cover plate, the bypass air inlet channel is communicated with the bypass air inlet cavity, and the bypass air inlet valve is arranged on the bypass air inlet channel.
Further, the bypass air inlet valve include support guide bar and valve, support guide bar one end fixed connection on the bypass air cleaner body, support on the guide bar fixedly connected with spring holder, the valve slip cap establish on supporting the guide bar, valve one side and spring holder between be equipped with reset spring, the valve opposite side laminate with bypass inlet chamber apron.
Further, a spring guide sleeve is arranged on the valve, and the return spring is arranged in the spring guide sleeve.
Further, the other end of the supporting guide rod is connected with a limit bolt for limiting the position of the valve in a threaded manner.
Further, the air supplementing device comprises an air storage tank and an electronic control unit, compressed air is arranged in the air storage tank, the output end of the air storage tank is connected with an air source air outlet pipeline, an air path switch is arranged on the air source air outlet pipeline, the output end of the air path switch is communicated with a main air inlet cavity through an air inlet compensation pipeline, and the electronic control unit is electrically connected with the position switch and the air path switch through signal control wiring harnesses respectively.
Further, the air inlet compensation pipeline is communicated with the main air inlet cavity through an air inlet nozzle, and the air inlet nozzle is arranged on the main air filter body.
Further, the bypass air inlet cavity cover plate is connected with the main air filter body through a connecting bolt.
Further, the ratio of the diameter of the bypass air inlet channel to the inner diameter of the main air inlet cavity is 0.25-0.45, the ratio of the diameter of the bypass air inlet channel to the inner diameter of the bypass air inlet cavity is 0.65-0.75, and the ratio of the diameter of the bypass air inlet channel to the inner diameter of the main air outlet is 0.45-0.65.
Advantageous effects
Compared with the prior art, the invention has the following advantages:
the invention relates to an air filter with an air inlet compensation and active purging ash removal structure, under the normal use condition, only a filter body of a main air filter works, when the main filter body is blocked to reach a certain amount of negative pressure, a bypass air inlet valve is opened, the filter body of the bypass air filter starts to work and directly enters an air inlet pipe of an engine, when the bypass air inlet valve is opened, a position switch synchronously senses the opening action of the bypass air inlet valve, a voltage signal is returned to an electronic control unit, the electronic control unit outputs a control signal to an air circuit switch, and the air circuit switch can open a compensation air circuit channel of an air source leading to the main air filter. The compensation air path nozzle in the main air filter can jet high-pressure air, and can be used for blowing the filtering bodies of the main air filter and the bypass air filter when being used for supplementing air, so that after the traditional air filter is blocked, the traditional air filter is opened through the bypass air inlet structure, fresh air can enter the engine through the bypass air inlet structure, the engine is ensured to have enough air inflow and the engine is not greatly reduced in power or even extinguished because of insufficient air inflow, and the air supplementing device is arranged to compensate the engine because the air filter is blocked, so that the bypass air inlet structure is difficult to supplement enough fresh air for the engine in a short time, and the problem of engine transient performance deterioration caused by the blockage is solved.
Drawings
FIG. 1 is a schematic diagram of a front view of the present invention;
FIG. 2 is a left side view of the present invention;
FIG. 3 is a right side view of the present invention;
FIG. 4 is a schematic cross-sectional view of the bypass intake valve of the present invention closed;
fig. 5 is a schematic cross-sectional view of the bypass intake valve of the present invention when open.
Wherein: 1-main air outlet, 2-main air filter body, 3-main air inlet cavity, 4-main filter body, 5-bypass air filter body, 6-bypass air inlet cavity, 7-bypass filter body, 8-support guide rod, 9-spring seat, 10-return spring, 11-spring guide sleeve, 12-air inlet nozzle, 13-bypass air inlet cavity cover plate, 14-valve, 15-position switch, 16-contact probe, 17-bypass air inlet channel, 18-limit bolt, 19-connecting bolt, 20-air circuit switch, 21-air source air outlet pipeline, 22-air storage tank, 23-signal control wire harness, 24-electronic control unit, 25-negative pressure indicator, 26-air inlet compensation pipeline.
Detailed Description
The invention will be further described with reference to specific embodiments in the drawings.
Referring to fig. 1-5, the air cleaner with the air intake compensation and active purging ash removal structure comprises a main air cleaner body 2, wherein the main air cleaner body 2 comprises a main air intake cavity 3, a main filter body 4 and a main air outlet 1, the main air outlet 1 is arranged at one end of the main air cleaner body 2, a bypass air cleaner body 5 is arranged at the other end of the main air cleaner body 2, a bypass air intake valve for controlling the air intake of the bypass air cleaner body 5 is arranged on the bypass air cleaner body 5, an air supplementing device communicated with the main air intake cavity 3 is arranged at one end of the main air cleaner body 2 far away from the main air outlet 1, a position switch 15 is arranged on the bypass air cleaner body 5, a contact probe 16 of the position switch 15 is contacted with the bypass air intake valve, the position switch 15 is electrically connected with the air supplementing device, when the main filter body 4 of the main air filter body 2 is not severely blocked, fresh air enters the main air inlet cavity 3 through the main filter body 4 and enters an air inlet of a booster compressor of an engine through the main air outlet 1, or directly enters an air inlet pipe of the engine for a non-booster type, the opening pressure of a bypass air inlet valve is set to be less than or equal to minus 6kPa, when the main filter body 4 of the main air filter body 2 is severely blocked, the air inlet resistance of the engine is increased, when the air inlet pressure of the engine is higher than minus 6kPa, a valve 14 of the bypass air inlet valve starts to compress a reset spring 10, the bypass air inlet valve starts to open, the fresh air enters the bypass air inlet cavity 6 through a bypass air inlet channel 17, enters the main air inlet cavity 3 through the bypass filter body 7 and the bypass air filter body 5, finally enters the air inlet of the booster compressor of the engine through the main air outlet 1, or for non-supercharged versions, directly into the intake of the engine. Meanwhile, after the valve 14 of the bypass air inlet valve starts to compress the return spring 10, the position switch contact probe 16 in the position switch 15 is abutted against the valve 14 and moves synchronously, the position switch 15 outputs a voltage signal to the electronic control unit 24, the electronic control unit 24 outputs a control signal to the air path switch 20, the air path switch 20 is opened, high-pressure air in the air storage tank 22 enters the main air inlet cavity 3 through the air inlet nozzle 12 through the air inlet compensation pipeline 26, so that a large amount of air required by the instant can be supplemented for the engine, and the main filter 4 and the bypass filter 7 can be purged through the entering high-pressure air inlet, and the purging time lasts for 60+/-5 seconds through program setting. Thereby blowing dust, foreign matter, etc. attached to the surface of the filter body away from the surface of the filter body, thereby reducing the internal resistance of the main filter body 4 and the bypass filter body 7, improving the filtering capacity and improving the passing property of fresh intake air. After the trafficability and filtering capability of the main filter body 4 and the bypass filter body 7 are improved, the valve 14 is rebounded by the compression reset spring 10 and is compressed and reset together with the contact probe 16 in the position switch 15, the position switch 15 outputs a reset signal to the electronic control unit 24, the electronic control unit 24 outputs a control signal to the air path switch 20, the air path switch 20 cuts off the air path, the air filter continuously provides filtered clean fresh air for the engine by means of self filtering capability, the main air filter body 2 is provided with the negative pressure indicator 25, the detection end of the negative pressure indicator 25 extends into the main air inlet cavity 3, the negative pressure indicator 25 is a mechanical negative pressure indicator 25, such as a piston type negative pressure indicator, and is used for detecting the pressure in the main air filter body 2, when the negative pressure value reaches-6 kPa through setting, a slide valve with warning color or warning text is sucked out by the negative pressure and presented to an operator, and the operator needs to maintain the air filter as soon as possible after finding the prompt.
Specifically, the bypass air filter body 5 comprises a bypass air inlet cavity cover plate 13, a bypass filter body 7 and a bypass air inlet cavity 6, wherein the bypass air inlet cavity cover plate 13 is arranged on the opening end of the bypass filter body 7, a bypass air inlet channel 17 is formed in the bypass air inlet cavity cover plate 13, the bypass air inlet channel 17 is communicated with the bypass air inlet cavity 6, a bypass air inlet valve is arranged on the bypass air inlet channel 17, when the air inlet pressure of the engine is higher than minus 6kPa, a valve 14 of the bypass air inlet valve is opened, and fresh air enters the bypass air inlet cavity 6 through the bypass air inlet channel 17 so as to supplement air.
Preferably, the bypass intake valve comprises a support guide rod 8 and a valve 14, one end of the support guide rod 8 is fixedly connected to the bypass air filter body 5, a spring seat 9 is fixedly connected to the support guide rod 8, the valve 14 is slidably sleeved on the support guide rod 8, a reset spring 10 is arranged between one side of the valve 14 and the spring seat 9, the other side of the valve 14 is attached to a bypass intake cavity cover plate 13, and the negative pressure of opening of the valve 14 is controlled through the selection of the reset spring 10 so as to ensure that when the intake negative pressure of an engine is higher than minus 6kPa, the valve 14 of the bypass intake valve can be smoothly opened.
Further, the valve 14 is provided with a spring guide sleeve 11, and the return spring 10 is arranged in the spring guide sleeve 11 to play a role in positioning and guiding, so that the return spring 10 is firmer in the compression process.
Further, the other end of the supporting guide rod 8 is connected with a limit bolt 18 for limiting the position of the valve 14 in a threaded manner, so that the valve 14 and the bypass air inlet cavity cover plate 13 can be attached and sealed in normal operation.
Further, the air supplementing device comprises an air storage tank 22 and an electronic control unit 24, compressed air is arranged in the air storage tank 22, an air source air outlet pipeline 21 is connected to the output end of the air storage tank 22, an air path switch 20 is arranged on the air source air outlet pipeline 21, the output end of the air path switch 20 is communicated with the main air inlet cavity 3 through an air inlet compensation pipeline 26, the electronic control unit 24 is respectively electrically connected with the position switch 15 and the air path switch 20 through a signal control wiring harness 23, and the air path switch 20 is controlled through the electronic control unit 24 so as to realize that high-pressure air in the air storage tank 22 enters the main air inlet cavity 3 through the air inlet compensation pipeline 26 and through the air inlet nozzle 12, so that a large amount of air required by the engine can be supplemented at the moment on one hand, and the main filter 4 and the bypass filter 7 can be purged through the high-pressure air inlet which enters on the other hand, so as to play a role in cleaning.
Further, the air inlet compensation pipeline 26 is communicated with the main air inlet cavity 3 through the air inlet nozzle 12, and the air inlet nozzle 12 is arranged on the main air filter body 2, so that high-pressure gas in the gas storage tank 22 can sweep the main filter body 4 and the bypass filter body 7 at the same time, and a cleaning effect is achieved.
Further, the bypass air inlet cavity cover plate 13 is connected with the main air filter body 2 through the connecting bolts 19, and the bypass filter body 7 is convenient to replace by using a detachable mounting mode.
Further, the ratio of the diameter of the bypass air inlet channel 17 to the inner diameter of the main air inlet cavity 3 is 0.25-0.45, the ratio of the diameter of the bypass air inlet channel 17 to the inner diameter of the bypass air inlet cavity 6 is 0.65-0.75, the ratio of the diameter of the bypass air inlet channel 17 to the inner diameter of the main air outlet 1 is 0.45-0.65, and the gas entering the bypass air inlet channel 17 can meet the use requirement of an engine.
When the air filter with the air intake compensation and active purging ash removal structure is used, fresh air enters the main air inlet cavity 3 through the main filter body 4 and enters an air inlet of a booster compressor of an engine through the main air outlet 1 when the main filter body 4 of the main air filter body 2 is not severely blocked, or enters an air inlet pipe of the engine directly through a non-booster type, the opening pressure of a bypass air inlet valve is set to be less than or equal to minus 6kPa, when the main filter body 4 of the main air filter body 2 is severely blocked, the air inlet resistance of the engine is increased, when the air inlet pressure of the engine is higher than minus 6kPa, the valve 14 of the bypass air inlet valve starts to compress the reset spring 10, the bypass air inlet valve starts to open, fresh air enters the bypass air inlet cavity 6 through the bypass air inlet channel 17, enters the main air inlet cavity 3 through the bypass filter body 7 and the bypass air filter body 5, and finally enters the air inlet of the booster compressor of the engine through the main air outlet 1, or directly enters the air inlet pipe of the engine for the non-booster type. Meanwhile, after the valve 14 of the bypass air inlet valve starts to compress the return spring 10, the position switch contact probe 16 in the position switch 15 is abutted against the valve 14 and moves synchronously, the position switch 15 outputs a voltage signal to the electronic control unit 24, the electronic control unit 24 outputs a control signal to the air path switch 20, the air path switch 20 is opened, high-pressure air in the air storage tank 22 enters the main air inlet cavity 3 through the air inlet nozzle 12 through the air inlet compensation pipeline 26, so that a large amount of air required by the instant can be supplemented for the engine, and the main filter 4 and the bypass filter 7 can be purged through the entering high-pressure air inlet, and the purging time lasts for 60+/-5 seconds through program setting. Thereby blowing dust, foreign matter, etc. attached to the surface of the filter body away from the surface of the filter body, thereby reducing the internal resistance of the main filter body 4 and the bypass filter body 7, improving the filtering capacity and improving the passing property of fresh intake air. After the trafficability and filtering capability of the main filtering body 4 and the bypass filtering body 7 are improved, the valve 14 is rebounded by the compression reset spring 10 and is compressed and reset together with the contact probe 16 in the position switch 15, the position switch 15 outputs a reset signal to the electronic control unit 24, the electronic control unit 24 outputs a control signal to the air circuit switch 20, the air circuit switch 20 cuts off the air circuit, and the air filter continuously provides filtered clean fresh air for the engine by means of self filtering capability. According to the air filter with the air inlet compensation and active purging ash removal structure, by arranging the bypass air inlet structure, when the main air filter body is blocked, fresh air can enter the engine through the bypass air inlet structure, so that the engine is ensured to have enough air inflow and cannot be greatly reduced in power or even flameout due to insufficient air inflow, and meanwhile, the air filter has the active purging ash removal function, and has the characteristics of wide application range and strong practicability.
While only the preferred embodiments of the present invention have been described above, it should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present invention, and these do not affect the effect of the implementation of the present invention and the utility of the patent.

Claims (9)

1. The utility model provides an air cleaner with air intake compensation and initiative sweep ash removal structure, its characterized in that, including main air cleaner body (2), main air cleaner body (2) including main air inlet chamber (3), main filter body (4) and main gas outlet (1), main gas outlet (1) arrange in main air cleaner body (2) one end, main air cleaner body (2) other end be equipped with bypass air cleaner body (5), bypass air cleaner body (5) on be equipped with the bypass admission valve that is used for controlling bypass air cleaner body (5) to admit air, keep away from be equipped with the air supplement unit with main air inlet chamber (3) intercommunication on main air cleaner body (2) one end of main gas outlet (1), bypass air cleaner body (5) on be equipped with position switch (15), contact probe (16) and bypass admission valve contact of position switch (15), position switch (15) and air supplement unit electric connection.
2. The air filter with the air intake compensation and active purging ash removal structure according to claim 1, characterized in that the bypass air filter body (5) comprises a bypass air intake cavity cover plate (13), a bypass filter body (7) and a bypass air intake cavity (6), the bypass air intake cavity cover plate (13) is arranged at the opening end of the bypass filter body (7), a bypass air intake channel (17) is formed in the bypass air intake cavity cover plate (13), the bypass air intake channel (17) is communicated with the bypass air intake cavity (6), and the bypass air intake valve is arranged on the bypass air intake channel (17).
3. The air cleaner with the air intake compensation and active purging ash removal structure according to claim 2, characterized in that the bypass air intake valve comprises a support guide rod (8) and a valve (14), one end of the support guide rod (8) is fixedly connected to the bypass air cleaner body (5), a spring seat (9) is fixedly connected to the support guide rod (8), the valve (14) is slidably sleeved on the support guide rod (8), a reset spring (10) is arranged between one side of the valve (14) and the spring seat (9), and the other side of the valve (14) is attached to the bypass air intake cavity cover plate (13).
4. An air cleaner with air intake compensation and active purging ash removal structure according to claim 3, characterized in that the valve (14) is provided with a spring guide sleeve (11), and the return spring (10) is installed in the spring guide sleeve (11).
5. An air cleaner with air intake compensation and active purging and dust removing structure according to claim 3, wherein the other end of the supporting guide rod (8) is connected with a limit bolt (18) for limiting the position of the valve (14) in a threaded manner.
6. An air cleaner with air inlet compensation and active purging ash removal structure according to claim 3, characterized in that, the air supplementing device comprises an air storage tank (22) and an electronic control unit (24), wherein compressed air is arranged in the air storage tank (22), the output end of the air storage tank (22) is connected with an air source air outlet pipeline (21), the air source air outlet pipeline (21) is provided with an air passage switch (20), the output end of the air passage switch (20) is communicated with the main air inlet cavity (3) through an air inlet compensation pipeline (26), and the electronic control unit (24) is electrically connected with a position switch (15) and the air passage switch (20) through signal control wire harnesses (23) respectively.
7. The air cleaner with the air intake compensation and active purging ash removal structure according to claim 6, wherein the air intake compensation pipeline (26) is communicated with the main air intake cavity (3) through an air intake nozzle (12), and the air intake nozzle (12) is mounted on the main air cleaner body (2).
8. An air cleaner with air intake compensation and active purging and ash removing structure according to claim 2, characterized in that the bypass air intake cavity cover plate (13) is connected with the main air cleaner body (2) through a connecting bolt (19).
9. The air filter with the air intake compensation and active purging ash removal structure according to claim 2, wherein the ratio of the diameter of the bypass air intake channel (17) to the inner diameter of the main air intake cavity (3) is 0.25-0.45, the ratio of the diameter of the bypass air intake channel (17) to the inner diameter of the bypass air intake cavity (6) is 0.65-0.75, and the ratio of the diameter of the bypass air intake channel (17) to the inner diameter of the main air outlet (1) is 0.45-0.65.
CN202211716492.5A 2022-12-29 2022-12-29 Air filter with air inlet compensation and active purging ash removal structure Pending CN116146388A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211716492.5A CN116146388A (en) 2022-12-29 2022-12-29 Air filter with air inlet compensation and active purging ash removal structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211716492.5A CN116146388A (en) 2022-12-29 2022-12-29 Air filter with air inlet compensation and active purging ash removal structure

Publications (1)

Publication Number Publication Date
CN116146388A true CN116146388A (en) 2023-05-23

Family

ID=86338256

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211716492.5A Pending CN116146388A (en) 2022-12-29 2022-12-29 Air filter with air inlet compensation and active purging ash removal structure

Country Status (1)

Country Link
CN (1) CN116146388A (en)

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