CN212154989U - Self-cleaning air filter capable of pumping dust - Google Patents
Self-cleaning air filter capable of pumping dust Download PDFInfo
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- CN212154989U CN212154989U CN202020244477.5U CN202020244477U CN212154989U CN 212154989 U CN212154989 U CN 212154989U CN 202020244477 U CN202020244477 U CN 202020244477U CN 212154989 U CN212154989 U CN 212154989U
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
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Abstract
The utility model discloses a self-cleaning air filter capable of pumping dust, which comprises a shell body, wherein the shell body is a cylindrical barrel body with openings at two ends, one end of the shell body is provided with an air filter outlet, the other end of the shell body is provided with an end cover, and the outer annular surface of the shell body is provided with an air filter inlet; the end cover is provided with an ash discharge hole; the main filter element is an annular filter element and is arranged in the shell and is abutted against one end face of the closed air chamber to form sealing connection; the safety filter element is arranged on the inner side of the main filter element; a space between the outer wall of the outlet of the air filter and the inner wall of the shell is an air channel, and the outlet of the air channel is positioned on the inner side of the main filter element; one end of the pulse valve is connected with the closed air chamber, the other end of the pulse valve is communicated with the air channel, and the pulse valve is electrically connected to the controller; the dust extractor is further provided with a dust extractor which is powered by a vehicle-mounted storage battery or a generator. The utility model discloses can be full-automatic and thoroughly clear up the deposition on the filter core, outside discharging the deposition equipment, improve equipment's rate of attendance and life-span.
Description
Technical Field
The utility model relates to a but self-cleaning air cleaner of dust extraction especially relates to a but self-cleaning air cleaner of raise dust in the effective discharge filter casing of dust extraction motor. Belongs to the technical field of air filters.
Background
The air filter is mainly used for filtering dust and impurities in air and providing clean air for an internal combustion engine so as to reduce the abrasion of the engine. And engineering machinery, construction machinery and the like often work in areas with serious dust, such as building sites, mines and the like, a filter element in an air filter can be blocked by dust deposition in a short time, the air inlet resistance and the oil consumption of an engine are increased, and the power output of the engine is influenced. Air cleaner generally installs in engineering machine's cabin body the inside, and automatic clearance exhaust dust will fall into the under-deck in following air cleaner, if clearance under-deck dust, will increase mechanical equipment maintenance personnel's man-hour and working strength, if do not clear up under-deck dust, the long-term deposition of month will lead to the under-deck dirty, and the oil absorption of easily absorbing water accelerates the ageing corrosion of other equipment in the cabin body, increases the equipment and rolls over the damage.
The pulse valve is a pneumatic element, and can release compressed air with a closed volume in a short time suddenly under the control of a controller, and the generated pressure impact and vibration can clean dust in the air filter. The time for maintaining the filter element during shutdown can be effectively reduced, the attendance rate of the equipment is improved, the replacement period of the filter element of the air filter is prolonged, and the cost is saved. For example, chinese utility model application with publication number CN109578181A discloses a self-cleaning air cleaner and a control system thereof, which utilizes a high-speed airflow formed by suddenly releasing air pressure to clean the outer surface of an air filter element, so as to blow off accumulated dust.
However, the above patent application and similar filter with self-cleaning function still have the problem of incomplete ash removal. The pulse valve suddenly releases pressure impact and vibration formed by compressed air, dust on the filter element of the air filter can be blown off from inside to outside, part of dust is discharged out of the shell of the air filter through the one-way valve on the shell, but part of the raised dust is still filled in a cavity space formed by the filter element and the shell of the air filter, the raised dust without being discharged out of the shell can fall on the filter element again, and the automatic dust cleaning effect is not particularly ideal.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a but self-cleaning air cleaner of dust extraction to solve present self-cleaning air cleaner and can't effectively discharge and be full of the raise dust in the cavity space that is formed by filter core and air cleaner shell body and lead to the raise dust to fall back the problem on the filter core again, the utility model discloses a dust extraction device is taken out in the increase, with the better deashing effect of realization.
A self-cleaning air filter capable of pumping dust comprises a shell, a closed air chamber, a main filter element, a safety filter element, a pulse valve and a controller, wherein the shell is a cylindrical barrel with openings at two ends, one end of the shell is provided with an air filter outlet, the other end of the shell is provided with an end cover, and the outer annular surface of the shell is provided with an air filter inlet; the end cover is provided with an ash discharge hole; the main filter element is an annular filter element and is arranged in the shell and is abutted against one end face of the closed air chamber to form sealing connection; the safety filter element is arranged on the inner side of the main filter element; a space between the outer wall of the outlet of the air filter and the inner wall of the shell is an air channel, and the outlet of the air channel is positioned on the inner side of the main filter element; one end of the pulse valve is connected with the closed air chamber, and the other end of the pulse valve is communicated with the air channel, so that compressed air in the closed air chamber enters the air channel after passing through the pulse valve and then is blown to the main filter element; the pulse valve is electrically connected to the controller; the method is characterized in that: the air filter further comprises a dust extraction device, and the dust extraction device is powered by a vehicle-mounted storage battery or a generator.
Preferably, the dust extraction device is provided with an air suction port and an air exhaust port, and the air suction port is connected to a cavity between the air filter shell and the main filter element; the air outlet is communicated to the outside of the cabin of the engineering vehicle equipment and is communicated with the outside atmosphere.
Preferably, the exhaust outlet is positioned at the bottom or the side of the cabin.
Preferably, the air suction opening of the dust suction device is connected in a cavity between the air filter shell and the main filter element and is close to the bottom of the air filter shell.
Preferably, the dust extraction device is further connected with the controller through a relay, and the controller controls the dust extraction device to be started or stopped by controlling the on/off of the relay.
Preferably, the dust extraction device is further connected with an overcurrent fuse breaker.
Preferably, the dust extraction device is a dust extraction motor and a fan blade connected with an output shaft of the dust extraction motor, the dust extraction motor can drive the fan blade to rotate at a high speed when running at a high speed, and the fan blade rotating at a high speed can form a pressure difference between the upstream and the downstream in the pipeline, so that air flows in the pipeline and dust in a cavity between the air filter shell and the filter element is exhausted.
Preferably, the rotation speed of the dust extraction motor ranges from 1000 to 30000 r/min, and the formed pressure difference ranges from 500 Pa to 3000 Pa.
Preferably, the air outlet of the air filter and the air chamber are further provided with pressure sensors, and the pressure sensors are connected to the controller so that the controller can monitor various states of the air filter.
Preferably, the air cleaner further comprises an air pumping device and a check valve.
A method for dust extraction by using a self-cleaning air filter capable of dust extraction is to enable a pulse valve and a dust extraction motor to work cooperatively under the control of a controller, specifically, the dust extraction motor is started before the pulse valve is opened, the dust extraction motor is started typically 0.5 seconds to 6000 seconds ahead, and preferably 2 seconds to 10 seconds ahead; the dust extraction motor is shut down after the pulse valve has been closed, typically with a delay of 0.5 to 6000 seconds, preferably 5 to 60 seconds.
The utility model relates to a but automatically cleaning air cleaner of dust extraction can be full-automatic and thoroughly clear up the deposition on the filter core to outside discharging the deposition to equipment, improve equipment's the rate of attendance, the cycle that the extension air cleaner filter core was changed and practice thrift the cost, inhale the risk that the dust influences occupational health when can effectively reducing artifical clearance filter core, can effectively reduce the dust in the equipment cabin, keep the equipment cabin clean.
Drawings
Fig. 1 is a perspective view of the overall structure of the embodiment of the present invention.
Fig. 2 shows a partial cross-sectional view of fig. 1.
Fig. 3 is a side view of the overall structure of the embodiment of the present invention.
Fig. 4 shows a cross-sectional view a-a of fig. 3.
Fig. 5 is a diagram illustrating electrical and control connections according to an embodiment of the present invention.
Fig. 6 is a perspective view of the overall structure of the embodiment of the present invention.
Fig. 7 is a block diagram of an electrical connection according to an embodiment of the present invention.
The symbols in the figure are as follows:
1. casing 2, airtight air chamber 3, main filter core 4, safe filter core
5. Pulse valve 6, controller 7, air filter inlet 8 and air filter outlet
9. End cover 10, dust discharging hole 101, water discharging hole 11 and gas channel
12. Dust extraction motor 13, fan blades 14, air suction inlet 15 and air outlet
16. Relay 17, inflating pump 18, check valve 19 and air outlet
20. Air suction inlet
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments.
Example 1
As shown in fig. 1, 2, 3 and 4, a self-cleaning air filter capable of pumping dust comprises a shell 1, a closed air chamber 2, a main filter element 3, a safety filter element 4, a pulse valve 4 and a controller 6, wherein the shell 1 is a cylindrical barrel with two open ends, one end of the shell is provided with an air filter outlet 8, the other end of the shell is provided with an end cover 9, and the outer annular surface of the shell is provided with an air filter inlet 7; the end cover 9 is provided with an ash discharge hole 10, and the bottom of the shell 1 is provided with a water outlet 101; the main filter element 3 is an annular filter element, is arranged in the shell 1 and is abutted against one end face of the closed air chamber 2 to form sealing connection; compressed air can be provided for the closed air chamber 2 through a vehicle-mounted air source of the engineering mechanical equipment, or compressed air can be provided for the closed air chamber 2 through a separate inflating device; the safety filter element 4 is arranged at the inner side of the main filter element 3; the space between the outer wall of the air filter outlet 8 and the inner wall of the shell 1 is an air channel 11, and the outlet of the air channel 11 is positioned at the inner side of the main filter element 3; one end of the pulse valve 5 is connected with the closed air chamber 2, and the other end is communicated with the air channel 11, so that compressed air in the closed air chamber enters the air channel after passing through the pulse valve and then is blown to the main filter element; the pulse valve 5 is electrically connected to a controller 6; the air filter further comprises a dust extraction device which is connected to a vehicle-mounted storage battery or a generator to supply power to the vehicle-mounted storage battery or the generator.
The dust extraction device is provided with an air suction opening 14 and an air exhaust opening 15, and the air suction opening 14 is connected to a cavity between the shell 1 and the main filter element 3; the air outlet 15 is connected to the outside of the cabin of the engineering vehicle equipment, and is generally positioned at the bottom or side of the cabin and is communicated with the outside atmosphere, preferably the bottom of the cabin is exhausted.
The dust extraction device is further connected with the controller 6 through a relay 16, and the controller controls the on-off of the dust extraction device by controlling the on-off of the relay. The electrical and control connections are shown in figure 5.
Example 2
A self-cleaning air filter capable of pumping dust, the air inlet 14 of the dust pumping device is connected in the cavity between the shell 1 and the main filter element 3, and is close to the bottom of the shell 1; mainly because the dust is under the action of gravity, make it fall into the inlet scoop 14 as much as possible, make the dust absorption maximize. As shown in fig. 3.
Example 3
A self-cleaning air filter able to pump dust features that its dust pump is further connected with an overcurrent fuse. The dust extraction device is connected with the storage battery or the generator in series through the overcurrent fuse breaker (as shown in figure 7).
Example 4
A dust-pumping device of a self-cleaning air filter comprises a dust-pumping motor 12 and fan blades 13 (shown in figure 3) connected with an output shaft of the dust-pumping motor, wherein the fan blades 13 can be driven to rotate at a high speed by the high-speed operation of the dust-pumping motor 12, and the fan blades rotating at the high speed can form a pressure difference between the upstream and the downstream in a pipeline, so that air flows in the pipeline, and dust in a cavity between a shell of the air filter and a filter element is discharged.
The rotation speed of the dust-pumping motor 12 is 1000 to 30000 r/min, and the formed pressure difference is 500 Pa to 3000 Pa.
Example 5
As shown in FIG. 6, the self-cleaning air cleaner capable of exhausting dust further comprises an air pumping device 17 and a check valve 18; the electric inflating device is connected to a vehicle-mounted storage battery or a generator to supply power to the vehicle-mounted storage battery or the generator, and an air outlet 19 of the inflating device is connected to the closed air chamber through a guide pipe; a conduit connecting the air outlet of the inflating device and the closed air chamber is provided with a check valve 18 which has the function of one-way conduction and only allows compressed air to enter the closed air chamber from the inflating device but not allows the compressed air to flow back to the inflating device from the closed air chamber; the intake port 20 of the pump is connected downstream of the air cleaner by a duct.
Example 6
A method for dust extraction by using a self-cleaning air filter capable of dust extraction is to enable a pulse valve and a dust extraction motor to work cooperatively under the control of a controller, specifically, the dust extraction motor is started before the pulse valve is opened, the dust extraction motor is started typically 0.5 seconds to 6000 seconds ahead, and preferably 2 seconds to 10 seconds ahead; the dust extraction motor is shut down after the pulse valve has been closed, typically with a delay of 0.5 to 6000 seconds, preferably 5 to 60 seconds.
The pulse valve and the dust extraction motor work in coordination, and the ash removal effect to the maximum extent can be achieved: the pulse valve can control the compressed air in the closed air chamber to be released at a set time point and within a set time period under the control of the controller (the opening time period of the control valve is 10 milliseconds to 5 seconds, typically 80 milliseconds to 500 milliseconds each time), so that an air pressure shock wave is formed, and the shock wave is used for blowing off dust collected on the filter element of the air filter from inside to outside so as to fill the air in the cavity space between the air filter shell and the main filter element with high-concentration dust. The high-speed operation of the dust-pumping motor can drive the fan blades to rotate at a high speed, the fan blades rotating at the high speed can form a pressure difference (the rotating speed of the motor is 1000-30000 r/min, the formed pressure difference is 500 Pa-3000 Pa) between the upstream and the downstream in the pipeline, the air flows in the pipeline by the pressure difference, the air suction port of the pipeline of the dust-pumping motor is connected to a cavity between the air filter shell and the filter element, and the air outlet of the pipeline of the dust-pumping motor is communicated to the atmosphere outside the equipment. Under the control of the controller, the pulse valve and the dust extraction motor work cooperatively, once the pulse valve is opened to blow dust collected on the filter element of the air filter into a cavity between the air filter shell and the main filter element, the dust extraction motor runs at a high speed to suck out the dust in the cavity and discharge the dust out of the equipment, and therefore the cleaning effect of the self-cleaning air filter is guaranteed to be maximized.
Claims (10)
1. A self-cleaning air filter capable of pumping dust comprises a shell, a closed air chamber, a main filter element, a safety filter element, a pulse valve and a controller, wherein the shell is a cylindrical barrel with openings at two ends, one end of the shell is provided with an air filter outlet, the other end of the shell is provided with an end cover, and the outer annular surface of the shell is provided with an air filter inlet; the end cover is provided with an ash discharge hole; the main filter element is an annular filter element and is arranged in the shell and is abutted against one end face of the closed air chamber to form sealing connection; the safety filter element is arranged on the inner side of the main filter element; a space between the outer wall of the outlet of the air filter and the inner wall of the shell is an air channel, and the outlet of the air channel is positioned on the inner side of the main filter element; one end of the pulse valve is connected with the closed air chamber, and the other end of the pulse valve is communicated with the air channel, so that compressed air in the closed air chamber enters the air channel after passing through the pulse valve and then is blown to the main filter element; the pulse valve is electrically connected to the controller; the method is characterized in that: the air filter further comprises a dust extraction device, and the dust extraction device is powered by a vehicle-mounted storage battery or a generator.
2. A cleanable dust exhausting, self cleaning air cleaner as recited in claim 1, wherein: the dust extraction device is provided with an air suction opening and an air outlet, and the air suction opening is connected to a cavity between the air filter shell and the main filter element; the air outlet is communicated to the outside of the cabin of the engineering vehicle equipment and is communicated with the outside atmosphere.
3. A cleanable dust exhausting, self-cleaning air cleaner as recited in claim 2, wherein: the air outlet is positioned at the bottom or the side of the cabin.
4. A cleanable dust exhausting, self-cleaning air cleaner as recited in claim 2, wherein: the air suction opening of the dust suction device is connected in a cavity between the air filter shell and the main filter element and is close to the bottom of the air filter shell.
5. A cleanable dust exhausting, self cleaning air cleaner as recited in claim 1, wherein: the dust extraction device is further connected with the controller through a relay, and the controller controls the on-off of the dust extraction device through controlling the on-off of the relay.
6. A cleanable dust exhausting, self cleaning air cleaner as recited in claim 1, wherein: the dust extraction device is further connected with an overcurrent fuse breaker.
7. A cleanable dust exhausting, self cleaning air cleaner as recited in claim 1, wherein: the dust extraction device is a dust extraction motor and a fan blade connected with an output shaft of the dust extraction motor.
8. A cleanable dust exhausting, self-cleaning air cleaner as recited in claim 7, wherein: the rotating speed of the dust extraction motor ranges from 1000 to 30000 revolutions per minute.
9. A cleanable dust exhausting, self cleaning air cleaner as recited in claim 1, wherein: and pressure sensors are further arranged on the air outlet of the air filter and the air chamber and are connected to the controller.
10. A cleanable dust exhausting, self cleaning air cleaner as recited in claim 1, wherein: the air filter further comprises an air inflating device and a check valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020244477.5U CN212154989U (en) | 2020-03-03 | 2020-03-03 | Self-cleaning air filter capable of pumping dust |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020244477.5U CN212154989U (en) | 2020-03-03 | 2020-03-03 | Self-cleaning air filter capable of pumping dust |
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| CN212154989U true CN212154989U (en) | 2020-12-15 |
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| CN202020244477.5U Active CN212154989U (en) | 2020-03-03 | 2020-03-03 | Self-cleaning air filter capable of pumping dust |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114607538A (en) * | 2022-03-02 | 2022-06-10 | 安徽工业大学 | Self-cleaning air filter |
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- 2020-03-03 CN CN202020244477.5U patent/CN212154989U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114607538A (en) * | 2022-03-02 | 2022-06-10 | 安徽工业大学 | Self-cleaning air filter |
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