CN219220603U

CN219220603U - Back-blowing dust-removing device for air filter

Info

Publication number: CN219220603U
Application number: CN202222555978.7U
Authority: CN
Inventors: 王波; 张鹏; 李涛; 黎才武
Original assignee: Auto Sergeant School Of Military Transportation College Of Pla Army
Current assignee: Auto Sergeant School Of Military Transportation College Of Pla Army
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2023-06-20
Anticipated expiration: 2032-09-26

Abstract

The application provides an air cleaner blowback dust collector, the inboard of air filter core sets up inboard blowback spray tube mechanism in air cleaner, inboard blowback spray tube mechanism passes through communicating pipe and gas holder intercommunication, when needs are removed dust, the compressed air in the gas holder of letting out makes inboard blowback spray tube mechanism utilize compressed air to wash clean air filter core from inside to outside, outside blowback spray tube mechanism sets up in filter shell and filter intake duct intercommunication department simultaneously, and through communicating pipe and gas holder intercommunication, when inboard blowback spray tube mechanism cleans air filter core, outside blowback spray tube mechanism also spouts compressed air and prevents that the dust from getting into the filter intake duct, and make the dust finally fall into the dust collector, and inhale the exhaust dust mouth through magnetism and discharge, use the air cleaner blowback dust collector that this application provided carries out blowback dust removal to air filter core, the dust removal is effectual, the frequency is changed to the air filter core can effectively be reduced, vehicle maintenance cost is reduced, the availability factor of vehicle is improved.

Description

Back-blowing dust-removing device for air filter

Technical Field

The utility model relates to the technical field of automobile parts, in particular to a back-blowing dust removing device of an air filter.

Background

At present, the air filter needs to be cleaned regularly or is replaced in a fixed mileage, but for long-term work in an environment with more dust, the cleaning and replacing period of the air filter is greatly shortened, if the air filter is not replaced timely, the air inlet of an engine is insufficient, so that the power of a vehicle is insufficient, black smoke is generated due to insufficient combustion, dust particles are seriously introduced into a cylinder, the piston and the cylinder wall of the engine are worn out in an accelerating way, carbon deposition is generated in the cylinder, the engine oil is accelerated to deteriorate, and the like, so that the service efficiency of the vehicle is seriously influenced, and the cost of the vehicle is also increased.

Disclosure of Invention

In view of the above, the present utility model is directed to a back-blowing dust-removing device for an air filter, which solves the related problems mentioned in the background art.

Based on the above object, the present utility model provides a back-blowing dust-removing device for an air cleaner, comprising:

the air filter is communicated with the engine air inlet and comprises a filter shell, a filter air inlet, an air filter element and a safety filter element, wherein the air filter element and the safety filter element are both positioned inside the filter shell, the air filter element is sleeved outside the safety filter element, and the filter air inlet is communicated with the filter shell;

the blowback device comprises an inner blowback spray pipe mechanism, an outer blowback spray pipe mechanism, an air storage tank and a communicating pipe, wherein the inner blowback spray pipe mechanism and the outer blowback spray pipe mechanism are communicated with the air storage tank through the communicating pipe, the inner blowback spray pipe mechanism is sleeved outside the safety filter element and is positioned on the inner side of the air filter element, and the outer blowback spray pipe mechanism is arranged at the communicating position of the filter shell and the filter air inlet channel.

Optionally, the inside blowback nozzle mechanism includes:

the distributing pipe is annular and sleeved outside the safety filter element, and is communicated with the communicating pipe;

the inner side spray pipe is communicated with the distributing pipe at one end and fixedly connected with the filter shell at the other end, and is arranged along the length direction of the air filter;

the inner side nozzle is arranged on the inner side nozzle, a plurality of inner side nozzles are arranged along the length direction of the inner side nozzle, and the inner side nozzle faces to the radial direction outwards along the air filter.

Optionally, the outside blowback nozzle mechanism includes:

the outer spray pipe is arranged along the length direction of the air filter and is communicated with the communicating pipe;

the outside spout, outside spout set up in on the outside spray tube, outside spout sets up a plurality ofly along outside spray tube length direction, outside spout orientation outwards sets up along the horizontal direction.

Optionally, a dust collector is further arranged at the lower part of the filter shell.

Optionally, a magnetic dust suction and discharge port is arranged at the lower end of the dust collector.

Optionally, a waterproof cover is arranged at the top end of the air inlet channel of the filter, and the lower end surface of the waterproof cover is fixedly connected with the outer wall of the air inlet channel of the filter.

Optionally, a plurality of air inlets are arranged on the lower end surface of the waterproof cover.

Optionally, a drain valve is arranged at the bottom of the air storage tank.

Optionally, the inner nozzle is provided with a plurality of nozzles along the circumference of the distribution pipe.

Optionally, two outside spray pipes are provided, and the outside spray nozzles on the two outside spray pipes face opposite directions.

According to the air filter blowback dust collector provided by the utility model, the inner side of the air filter core is provided with the inner side blowback spray pipe mechanism, the inner side blowback spray pipe mechanism is communicated with the air storage tank through the communicating pipe, when dust removal is needed, compressed air in the air storage tank is discharged to enable the inner side blowback spray pipe mechanism to flush and clean the air filter core from inside to outside by utilizing the compressed air, meanwhile, the outer side blowback spray pipe mechanism is arranged at the communicating position of the filter shell and the air inlet channel of the filter and is communicated with the air storage tank through the communicating pipe, when the inner side blowback spray pipe mechanism cleans the air filter core, the outer side blowback spray pipe mechanism also sprays the compressed air to prevent dust from entering the air inlet channel of the filter, and finally the dust falls into the dust collector and is discharged through the magnetic dust suction and discharge port.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a back-blowing dust-removing device of an air cleaner according to an embodiment of the present utility model;

FIG. 2 is a right side cross-sectional view of an air cleaner according to an embodiment of the present utility model;

FIG. 3 is a schematic view of an embodiment of an inboard blowback nozzle mechanism;

FIG. 4 is a schematic view of an embodiment of the present utility model with an external blow-back nozzle mechanism;

FIG. 5 is a schematic flow diagram of a working gas stream according to an embodiment of the present utility model.

Reference numerals: 1. a filter housing; 2. an air inlet channel of the filter; 3. an air inlet hole; 4. a waterproof cover; 5. a dust collector; 6. a magnetic dust exhaust port; 7. an air filter element; 8. a safety filter element; 9. a dispensing tube; 10. an inner side nozzle; 11. an inner side spout; 12. an outer nozzle; 13. an outer spout; 14. a communicating pipe; 15. a gas storage tank; 16. a drain valve; 17. an electronic air valve; 18. an engine intake duct; 19. an air quality sensor.

Detailed Description

The present utility model will be further described in detail below with reference to specific embodiments and with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the present utility model more apparent.

It should be noted that unless otherwise defined, technical or scientific terms used in the embodiments of the present utility model should be given the ordinary meaning as understood by one of ordinary skill in the art to which the present disclosure pertains. The terms "first," "second," and the like, as used in this disclosure, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.

As described in the background art, the working environment of the engineering vehicle is bad, and the dust is more, so that the air filter element 7 needs to be cleaned or replaced frequently in order to protect the engine, the use efficiency of the vehicle is affected by the frequent cleaning and replacement of the air filter element 7, and the use cost of the vehicle is increased.

The use this application provides an air cleaner blowback dust collector, through the inboard blowback spray tube mechanism that sets up of air filter 7 in air cleaner, inboard blowback spray tube mechanism communicates with gas holder 15 through communicating pipe 14, when needing to remove dust, the compressed air in letting out gas holder 15 makes inboard blowback spray tube mechanism utilize compressed air to wash clean air filter 7 from inside to outside, outside blowback spray tube mechanism sets up in filter shell 1 and filter intake duct 2 intercommunication department simultaneously, and communicate with gas holder 15 through communicating pipe 14, when inboard blowback spray tube mechanism cleans air filter 7, outside blowback spray tube mechanism also spouts compressed air prevents that the dust from getting into filter intake duct 2, and make the dust finally fall into dust collector 5, and inhale dust discharge mouth 6 through magnetism and discharge, use the air cleaner blowback dust collector that this application provided to air filter 7 to carry out blowback dust collector, dust removal effect is good, the simple operation, can effectively reduce air filter 7 and change frequency, the vehicle maintenance cost is reduced, the use efficiency of vehicle is improved.

The following describes the technical solution of the present application in detail by means of specific embodiments in combination with fig. 1 to 5.

The application provides an air cleaner blowback dust collector, refer to fig. 1, fig. 2 and fig. 5, include: the air filter is communicated with the engine air inlet channel 18 and comprises a filter shell 1, a filter air inlet channel 2, an air filter element 7 and a safety filter element 8, wherein the air filter element 7 and the safety filter element 8 are both positioned inside the filter shell 1, the air filter element 7 is sleeved outside the safety filter element 8, and the filter air inlet channel 2 is communicated with the filter shell 1; the blowback device comprises an inner blowback spray pipe mechanism, an outer blowback spray pipe mechanism, an air storage tank 15 and a communicating pipe 14, wherein the inner blowback spray pipe mechanism and the outer blowback spray pipe mechanism are communicated with the air storage tank 15 through the communicating pipe 14, the inner blowback spray pipe mechanism is sleeved outside the safety filter element 8 and located inside the air filter element 7, and the outer blowback spray pipe mechanism is arranged at the communicating part of the filter shell 1 and the filter air inlet channel 2.

The air filter 7 of the air filter is generally made of microporous filter paper treated by resin, the filter paper is porous, loose and folded, the filter has larger filtering area, the filtering efficiency is extremely high, when the engine works, the engine burns a large amount of air, the internal air pressure is reduced, the outside air sequentially passes through the filter air inlet 2, the air filter 7 and the safety filter 8 and finally enters the engine through the engine air inlet 18, wherein the air filter 7 can filter most dust, the safety filter 8 filters the filtered air again to ensure that the air entering the engine is clean enough, the air filter 7 isolates most dust, the replacement frequency of the air filter 7 is far higher than that of the safety filter 8, an inner side blowback nozzle mechanism can be arranged inside the air filter 7, the inner side blowback nozzle mechanism is communicated with the air storage tank 15 through a communicating pipe 14, the compressed air in the air storage tank 15 is washed out of the air filter 7 from inside to outside through the inner side blowback nozzle mechanism, so that the dust attached to the outer surface of the air filter 7 is separated from the outer surface of the air filter 7, and simultaneously the compressed air in the air storage tank 15 can only be sprayed out through the outside blowback nozzle mechanism arranged at the connecting position of the air filter housing 1 and the air filter 2 to the air inlet mechanism, and the air filter 7 can only be sprayed out to the outside the filter air inlet mechanism to clean the dust.

Optionally, an air quality sensor 19 may be disposed on the engine air inlet 18, the air quality sensor 19 may detect air in the engine air inlet 18, if the air quality is lower than a preset threshold, the air quality sensor 19 may transmit a cleaning application of the air filter element 7 to the controller through a signal wire of the air quality sensor 19, the controller receives the cleaning application transmitted by the air quality sensor 19, and makes a judgment in combination with a working condition, if the working condition meets a dust removal condition of the air filter element 7, the controller sends an opening instruction to an electronic air valve 17 installed inside the communicating pipe 14 through a signal wire of the electronic air valve 17, and removes dust from the air filter element 7.

In some embodiments, referring to fig. 1 and 3, the inboard blowback nozzle mechanism includes: the distributing pipe 9 is annular, is sleeved on the outer side of the safety filter element 8, and the distributing pipe 9 is communicated with the communicating pipe 14; an inner spray pipe 10, wherein one end of the inner spray pipe 10 is communicated with the distributing pipe 9, the other end of the inner spray pipe is fixedly connected with the filter shell 1, and the inner spray pipe 10 is arranged along the length direction of the air filter; the inner side nozzle 11, inner side nozzle 11 sets up on inboard spray tube 10, and inboard nozzle 11 sets up a plurality ofly along inboard spray tube 10 length direction, and inboard nozzle 11 orientation is along the radial outside setting of air cleaner.

Compressed air enters the inside blowback spray pipe mechanism through the communicating pipe 14, firstly enters the distributing pipe 9, distributes the compressed air to the inside spray pipes 10 arranged on the distributing pipe 9 through the distributing pipe 9, a plurality of inside spray pipes 11 are uniformly arranged on the inside spray pipes 10, gas sprayed out from the inside spray pipes 11 gradually diffuses to the periphery due to the change of air pressure, dust can be removed from an area far larger than the area of the spray pipes until reaching the air filter element 7, and the total dust removing area of all spray pipes can cover the surface of the whole air filter element 7, so that the air filter element 7 is completely cleaned.

In some embodiments, referring to fig. 1 and 4, the outboard blowback nozzle mechanism includes: an outer nozzle 12, the outer nozzle 12 being disposed along a length direction of the air cleaner and communicating with the communicating pipe 14; the outside spout 13, outside spout 13 set up on outside spray tube 12, outside spout 13 sets up a plurality ofly along outside spray tube 12 length direction, outside spout 13 outwards sets up along the horizontal direction.

The outside blowback spray pipe mechanism is arranged to prevent dust which is separated from the outer surface of the air filter element 7 from entering the air inlet channel 2 of the filter, so that the dust which enters the air inlet channel 2 of the filter is prevented from settling to the outer surface of the air filter element 7 again after dust removal, and meanwhile, the compressed air blown out by the outside nozzle 13 on the outside blowback spray pipe mechanism can enable the dust which is separated from the air filter element 7 to flow downwards along the inner wall of the filter shell 1 along with the dust and settle at the lower part of the air filter.

In some embodiments, referring to fig. 1, the filter housing 1 is also provided at a lower portion thereof with a dust collector 5.

The dust collector 5 is arranged on the lower surface of the filter, so that naturally settled dust and dust falling off from the surface of the air filter in the running process of the vehicle can be collected, and centralized cleaning is facilitated.

In some embodiments, referring to fig. 1 and 5, the dust collector 5 is provided at a lower end thereof with a magnetic dust suction and discharge port 6.

When not removing dust, the lower end of the magnetic dust suction and discharge port 6 is in a closed state under the action of magnetic force, so that the sealing effect is achieved, and when the back blowing dust removal is performed, the lower end of the magnetic dust suction and discharge port 6 is opened under the action of high pressure because the air pressure of compressed air is far higher than the atmospheric pressure, so that dust can be discharged out of an air filter, and dust accumulation is avoided.

In some embodiments, referring to fig. 1, a waterproof cover 4 is disposed at the top end of the filter air inlet 2, and the lower end surface of the waterproof cover 4 is fixedly connected with the outer wall of the filter air inlet 2.

The waterproof cover 4 is arranged at the top end of the filter air inlet channel 2, so that rainwater can be effectively prevented from entering the air filter when the rainwater is raining, and the water can enter the air filter and possibly be combined with dust on the outer surface of the air filter element 7, so that the air inlet area of the air filter element 7 is reduced, the air can enter the engine air inlet channel 18, the power of the engine is influenced, and the influence of special working conditions on the air filter and the engine can be effectively avoided through the waterproof cover 4.

In some embodiments, referring to fig. 1, a plurality of air intake holes 3 are provided on the lower end surface of the waterproof cover 4.

The air inlet hole 3 is arranged on the lower end surface of the waterproof cover 4, the air inlet hole 3 is under the shielding of the waterproof cover 4, rainwater can be effectively prevented from entering, meanwhile, air is sucked into the air inlet channel 2 of the filter from bottom to top, and in the air suction process, some larger dust can be separated from the air.

In some embodiments, referring to fig. 1, a drain valve 16 is provided at the bottom of the air reservoir 15.

The compressed gas in the gas storage tank 15 comes from the air compressor, the outside air can rise through the thermometer pressure after the air compressor compresses, in the gas storage tank 15 storage compressed gas process, the temperature gradually reduces, the saturated water content in the air reduces thereupon, partial water is separated out and deposited in the gas storage tank 15 bottom, on the one hand, make gas storage tank 15 gas storage volume decline, also easily cause the jar body corrosion simultaneously, so set up drain valve 16 in the gas storage tank 15 bottom in order to discharge and deposit in gas storage tank 15 water, guarantee that gas storage tank 15 can store the compressed air of sufficient and carry out the blowback, and protect the jar body.

In some embodiments, referring to fig. 1 and 3, the inner nozzles 10 are arranged in plurality circumferentially along the distribution pipe 9.

The inner side spray pipes 10 are circumferentially arranged along the distributing pipe 9, so that compressed air can be sprayed out along the inner side spray holes 11 of the inner side spray pipes 10 and then the inner surfaces of the air filter elements 7 can be completely washed, and a good dust removing effect is achieved.

In some embodiments, referring to fig. 1 and 4, the outer nozzles 12 are provided in two, and the outer nozzles 13 on the two outer nozzles 12 are oppositely facing.

The outside spray pipe 12 is located the filter shell 1 and the filter intake duct 2 intercommunication department, only need set up two outside spouts 13 towards opposite outside spray pipe 12, can prevent the dust to spread upwards, and two outside spray pipe 12 spun compressed air carry the dust to move downwards along filter shell 1 left and right sides respectively simultaneously until from the magnetism inhale dust discharge mouth 6 discharge.

The application provides an air cleaner blowback dust collector, its course of working is as follows, includes:

in response to the dust removal start signal, the air storage tank 15 conveys compressed air to the communicating pipe 14, wherein the dust removal start signal can be an operation of a driver, or can be an instruction issued by a controller according to air quality data acquired by a corresponding sensor, the compressed air is divided into two paths by the communicating pipe 14 and respectively enters the inner blowback nozzle mechanism and the outer blowback nozzle mechanism, the compressed air is sprayed out from the inner nozzle 11 and the outer nozzle 13, the compressed air sprayed out from the inner nozzle 11 passes through the filtering holes of the air filter element 7 from inside to outside, in the process, dust attached to the outer surface of the air filter element 7 is separated from the outer surface of the air filter element 7 due to the impact of air flow, enters the area between the outer surface of the air filter element 7 and the filter shell 1, at the moment, the compressed air sprayed out from the outer nozzle 13 can flow downwards along the inner wall of the filter shell 1, the dust can be carried downwards until the magnetic dust suction and discharge port 6 is opened under high air pressure, the dust is continuously discharged until the compressed air in the air storage tank 15 is completely released, the air valve on the air storage tank 14 is closed, in the process, dust attached to the outer surface of the air filter is completely discharged, and the air suction and the air discharge port 6 is sealed by the air storage tank 15, and the air storage tank is simultaneously conveyed for the air filter to be filtered.

Those of ordinary skill in the art will appreciate that: the discussion of any of the embodiments above is merely exemplary and is not intended to suggest that the scope of the disclosure, including the claims, is limited to these examples; the technical features of the above embodiments or in the different embodiments may also be combined within the idea of the utility model, the steps may be implemented in any order and there are many other variations of the different aspects of the utility model as described above, which are not provided in detail for the sake of brevity.

The embodiments of the utility model are intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. of the present utility model should be included in the scope of the present utility model.

Claims

1. An air cleaner blowback dust collector, characterized by, include:

2. The air cleaner blowback dust collector of claim 1, wherein said inside blowback nozzle mechanism comprises:

3. The air cleaner blowback dust collector of claim 1, wherein said outboard blowback nozzle mechanism comprises:

4. The back-blowing dust collector of claim 1, wherein the dust collector is further provided at the lower part of the filter housing.

5. The back-blowing dust collector of claim 4, wherein the dust collector has a magnetic dust-sucking and exhausting port at its lower end.

6. The back-blowing dust removal device of an air filter according to claim 1, wherein a waterproof cover is arranged at the top end of the air inlet channel of the filter, and the lower end face of the waterproof cover is fixedly connected with the outer wall of the air inlet channel of the filter.

7. The back-blowing dust collector of claim 6, wherein a plurality of air inlets are formed in the lower end surface of the waterproof cover.

8. The back-blowing dust collector of claim 1, wherein the bottom of the air tank is provided with a drain valve.

9. The back-blowing dust collector of claim 2, wherein said inner nozzles are circumferentially disposed about said distribution pipe.

10. A back-blowing dust collector for an air cleaner according to claim 3 wherein there are two said outer nozzles and the outer nozzles on said two outer nozzles face opposite directions.