CN112922751A - Self-cleaning air filter and control method - Google Patents
Self-cleaning air filter and control method Download PDFInfo
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- CN112922751A CN112922751A CN202110165597.5A CN202110165597A CN112922751A CN 112922751 A CN112922751 A CN 112922751A CN 202110165597 A CN202110165597 A CN 202110165597A CN 112922751 A CN112922751 A CN 112922751A
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- Prior art keywords
- air filter
- filter element
- shell
- air
- electromagnetic valve
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Classifications
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- 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
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- 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
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- 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
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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 a self-cleaning air filter and a control method, which comprises a shell, wherein the lower end of the shell is provided with a bracket, an air filter element is arranged in the shell, a cylinder is sleeved on the air filter element, the upper end in the air filter element is provided with a chip, the outer side of the upper end of the air filter element is provided with a rear cover and an identification module, the lower end of the air filter element is provided with an annular air passage, one side of the shell is provided with an air storage tank and an electromagnetic valve, the electromagnetic valve is provided with a vent pipe communicated with the annular air passage, and the shell and the air storage tank are provided with control components. The filter element damage risk and the secondary pollution risk caused by manual maintenance are reduced, and the use is facilitated.
Description
Technical Field
The invention relates to the technical field of air intake of internal combustion engines, in particular to a self-cleaning air filter and a control method.
Background
In the air filter applied to the severe air environment in the market, the desert air filter is common, namely a rotary prefilter or a cyclone tube coarse filter and a fine filter, or the desert air filter is formed by combining the rotary prefilter or the cyclone tube coarse filter and the fine filter together. The air filter has good overall use effect under severe air environment, and various filter manufacturers basically improve the performance of products with the structure, but have other disadvantages. The air filter applied to the high-dust-content working condition has shorter filter element maintenance time interval than that of the common road working condition, and is frequent and high in maintenance cost.
Current air cleaner, especially be applied to the air cleaner in high dusty area, need artifical frequent maintenance, need tear the back lid open, take out the filter core, pat the filter core and blow outward from the filter core is inside with the air gun, clear up filter core surface dust, then will install the come back again, this process is more spend time, and complex operation, the filter core whole life-span gets off and needs frequent dismouting operation, maintenance cost is high, and the fragile filter core, cause the pipeline secondary easily and advance grey risk. Meanwhile, when part of end users replace the air filter element, the air filter element is low in quality awareness, the filter element with poor quality and poor adaptability can be selected for assembly, and finally, the air filter element has the defects of low air filter efficiency, short service life, early wear of an engine and the like. In addition, because vehicle installation air cleaner in high dust-laden area (like mining area) is generally open-air, in case meet rainwater weather, the rain-proof effect of conventional air cleaner is relatively poor to lead to air cleaner performance to reduce.
In order to solve the problems, a self-cleaning air filter and a control method are designed.
SUMMARY OF THE PATENT FOR INVENTION
The invention aims to provide a self-cleaning air filter and a control method thereof, which aim to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a self-cleaning formula air cleaner, includes the casing, the lower extreme of casing is equipped with the support, be equipped with air cleaner in the casing, air cleaner goes up the cover and is equipped with the barrel that is arranged in the casing, air cleaner's inside upper end is equipped with the chip, air cleaner's upper end outside is equipped with the back lid, be equipped with the identification module corresponding with the chip in the back lid, air cleaner's lower extreme is equipped with annular air flue, one side of casing is equipped with the gas holder, one side of gas holder is equipped with the solenoid valve, be equipped with the communicating breather pipe of intercommunication casing and annular air flue on the solenoid valve, be equipped with on casing and the gas holder and make the device carry out clear control.
As a still further scheme of the invention patent: the control assembly comprises a control module arranged on one side, close to the electromagnetic valve, of the gas storage tank, and the electromagnetic valve and the identification module are both electrically connected with the control module.
As a still further scheme of the invention patent: the identification module is arranged at a position which is not more than 100mm away from the chip, and the identification module corresponds to the chip.
As a still further scheme of the invention patent: the periphery of the outer side of the shell is provided with a protective plate for preventing rainwater from entering the shell.
As a still further scheme of the invention patent: and the control module is provided with a button for switching an automatic mode and a manual mode.
As a further scheme of the patent of the invention, an indicator light for indicating the working state is arranged on the control module.
A control method for automatically cleaning a self-cleaning air filter comprises the following steps:
the method comprises the following steps: the identification module acquires information of the chip;
the control module acquires the information read by the identification module and judges whether the acquired information meets a preset condition or not;
if the preset condition is met, the electromagnetic valve is opened and closed after the control module transmits a switching signal to the electromagnetic valve.
The identification module acquires chip information in a wireless communication mode.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the control component can control the gas in the gas storage tank to be instantly released into the air filter element, so that dust on the surface of the air filter element falls off and is discharged under the instant air flow back blowing, thereby achieving the function of automatically removing the dust by the air filter element, reducing the manual maintenance cost, and reducing the filter element damage risk and the secondary pollution risk caused by manual maintenance;
2. the identification module identifies the information of the chip in the air filter element, and the function of automatically clearing dust in the air filter element can be executed after the information is judged to be correct, so that the authenticity of the air filter element can be effectively identified, a user is prompted to correctly use the genuine air filter element, and an engine can be effectively protected;
3. according to the invention, the guard plate for preventing rainwater from entering the shell is arranged on the periphery of the outer side of the shell, so that the performance of the air filter element can be protected from being influenced by the rainwater.
Drawings
FIG. 1 is a schematic three-dimensional structure of a self-cleaning air cleaner.
Fig. 2 is a three-dimensional structural diagram of a housing of a self-cleaning air cleaner.
FIG. 3 is a schematic three-dimensional view of the interior of a self-cleaning air cleaner.
Fig. 4 is a three-dimensional structural diagram of a housing of a self-cleaning air cleaner.
FIG. 5 is a front view of a self-cleaning air cleaner cartridge.
FIG. 6 is a schematic sectional view of a self-cleaning air cleaner cartridge in elevation.
FIG. 7 is a schematic diagram of a control assembly in a self-cleaning air cleaner.
Wherein: 1. a housing; 2. an air filter element; 3. a barrel; 4. a rear cover; 5. an annular air passage; 6. a gas storage tank; 7. an electromagnetic valve; 8. a breather pipe; 9. a control module; 10. a chip; 11. and identifying the module.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by a person skilled in the art based on the embodiments in the patent of the invention without any inventive work belong to the protection scope of the patent of the invention.
Referring to fig. 1-7, in the embodiment of the present invention, a self-cleaning air cleaner includes a housing 1, a bracket is disposed at a lower end of the housing 1, an air filter element 2 is disposed in the housing 1, a cylinder 3 located in the housing 1 is sleeved on the air filter element 2, a plurality of through holes are disposed on the cylinder 3, a chip 10 is disposed at an upper end inside the air filter element 2, a rear cover 4 is disposed at an outer side of an upper end of the air filter element 2, an identification module 11 corresponding to the chip 10 is disposed in the rear cover 4, the identification module 11 is disposed at a position away from the chip 10 by no more than 100mm, the identification module 11 corresponds to the chip 10, the identification module 11 reads information of the chip 10 in a wireless communication manner, an effective distance of the identification module 11 for detecting the chip 10 is no more than 100mm, and the rear cover 4 is detachably connected to the housing 1, the lower end of the air filter element 2 is provided with an annular air passage 5, one side of the shell 1 is provided with an air storage tank 6, the air pressure stored in the air storage tank 6 is not less than 0.5MP, the working pressure of the air storage tank 6 is 0.6-1.0MPa, one side of the air storage tank 6 is provided with an electromagnetic valve 7, the electromagnetic valve 7 is provided with a vent pipe 8 for communicating the shell 1 with the annular air passage 5, and the shell 1 and the air storage tank 6 are provided with control components for automatically cleaning the air filter element 2;
the control assembly comprises a control module 9 arranged on one side, close to the electromagnetic valve 7, of the gas storage tank 6, an indicator lamp for indicating the working state is arranged on the control module 9, and the electromagnetic valve 7 and the identification module 11 are both electrically connected with the control module 9. When using the device, earlier be full of gas for gas holder 6 through outside air supply, identification module 11 surveys chip 10 through the wireless communication mode, and transmit for control module 9 after reading chip 10 information, control module 9 identification information is correct after, control solenoid valve 7 opens the valve, because the gas pressure in the gas holder 6 is great, gas passes through solenoid valve 7 in the twinkling of an eye, the breather pipe 8 of flowing through, it is inside and be full of whole annular air flue 5 to enter into annular air flue 5, then inside releasing air filter 2, inside and outside differential pressure is under the effect, the inside gas of air filter 2 is released from inside to outside, form a blowback air current in the twinkling of an eye from inside to outside, thereby make the dust of air filter 2 surface drop, the dust that drops is discharged through a plurality of through-holes on the barrel 3 again. Just so can make the device reach the function to air filter 2 self-cleaning dust, reduce the manual maintenance cost, also reduce air filter 2 that manual maintenance caused and damaged risk and secondary pollution risk etc. like. Meanwhile, by identifying the information of the chip 10 in the air filter element 2, the function of automatically clearing dust from the air filter element 2 can be executed after the information is judged to be correct, so that the authenticity of the air filter element 2 can be effectively identified, a user is prompted to correctly use the genuine air filter element 2, and an engine can be effectively protected;
a button for switching an automatic mode and a manual mode is arranged on the control module 9, the control assembly has an automatic working mode and a manual working mode, and in the automatic working mode, after the control module 9 receives an action signal, the information of the chip 10 is automatically read, and after the information is judged to be correct, the opening and closing of the electromagnetic valve 7 are controlled; in the manual working mode, after an action signal is provided manually, the information of the chip 10 is automatically read, and after the information is judged to be correct, the opening and closing of the electromagnetic valve 7 are controlled;
the periphery of the outer side of the shell 1 is provided with a protective plate for preventing rainwater from entering the shell 1, so that the performance of the air filter element 2 can be protected from being influenced by the rainwater.
The working principle of the invention patent is as follows: when the air filter is used, the air storage tank 6 is filled with air through an external air source, the identification module 11 detects the chip 10 in a wireless communication mode, reads information of the chip 10 and transmits the information to the control module 9. After the control module 9 identifies that the information is correct, the electromagnetic valve 7 is controlled to open the valve; because the gas pressure in the gas storage tank 6 is higher, the gas instantly passes through the electromagnetic valve 7 and the vent pipe 8, enters the annular gas passage 5, fills the whole annular gas passage 5, and is released into the air filter element 2; under the effect of the internal and external pressure difference, the gas inside the air filter element 2 is released from inside to outside to form instant back-blowing airflow from inside to outside, so that the dust on the outer surface of the air filter element 2 falls off, and the falling dust is discharged through a plurality of through holes in the cylinder body 3, so that the device can achieve the function of automatically clearing the dust from the air filter element 2. Meanwhile, by identifying the information of the chip 10 in the air filter element 2, the function of automatically cleaning dust in the air filter element 2 can be executed only after the information is judged to be correct; therefore, the authenticity of the air filter element 2 can be effectively identified, a user is prompted to correctly use the genuine air filter element 2, and the engine can be effectively protected.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. A self-cleaning air cleaner, includes casing (1), its characterized in that: the lower end of the shell (1) is provided with a bracket, an air filter element (2) is arranged in the shell (1), the air filter element (2) is sleeved with a cylinder body (3) positioned in the shell (1), the upper end of the interior of the air filter element (2) is provided with a chip (10), the outer side of the upper end of the air filter element (2) is provided with a rear cover (4), an identification module (11) corresponding to the chip (10) is arranged in the rear cover (4), the lower end of the air filter element (2) is provided with an annular air passage (5), one side of the shell (1) is provided with an air storage tank (6), an electromagnetic valve (7) is arranged on one side of the gas storage tank (6), a vent pipe (8) communicated with the shell (1) and the annular gas passage (5) is arranged on the electromagnetic valve (7), and the shell (1) and the air storage tank (6) are provided with control components which enable the device to automatically clean the air filter element (2).
2. A self cleaning air cleaner according to claim 1 wherein: the control assembly comprises a control module (9) arranged on one side, close to the electromagnetic valve (7), of the gas storage tank (6), and the electromagnetic valve (7) and the identification module (11) are both electrically connected with the control module (9).
3. A self cleaning air cleaner according to claim 1 wherein: the identification module (11) is arranged at a position which is not more than 100mm away from the chip (10), and the identification module (11) corresponds to the chip (10).
4. A self cleaning air cleaner according to claim 1 wherein: the periphery of the outer side of the shell (1) is provided with a protective plate for preventing rainwater from entering the shell (1).
5. A self cleaning air cleaner according to claim 2 wherein: and the control module (9) is provided with a button for switching an automatic mode and a manual mode.
6. A self cleaning air cleaner according to claim 2 wherein: and an indicator lamp for indicating the working state is arranged on the control module (9).
7. A method of controlling automatic cleaning of a self-cleaning air cleaner as claimed in any one of claims 1 to 6, wherein: the method comprises the following steps:
the identification module (11) acquires information of the chip (10);
the control module (9) acquires the information read by the identification module (11) and judges whether the acquired information meets a preset condition or not;
if the preset condition is met, the opening and closing actions of the electromagnetic valve (7) are controlled.
8. The automatic cleaning control method according to claim 7, characterized in that: the identification module (11) acquires information of the chip (10) in a wireless communication mode.
9. The automatic cleaning control method according to claim 7, characterized in that: after the control module (9) transmits a switching signal to the electromagnetic valve (7), the electromagnetic valve (7) is opened and closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110165597.5A CN112922751A (en) | 2021-02-06 | 2021-02-06 | Self-cleaning air filter and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110165597.5A CN112922751A (en) | 2021-02-06 | 2021-02-06 | Self-cleaning air filter and control method |
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| Publication Number | Publication Date |
|---|---|
| CN112922751A true CN112922751A (en) | 2021-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110165597.5A Pending CN112922751A (en) | 2021-02-06 | 2021-02-06 | Self-cleaning air filter and control method |
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| Country | Link |
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| CN (1) | CN112922751A (en) |
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 |
-
2021
- 2021-02-06 CN CN202110165597.5A patent/CN112922751A/en active Pending
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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