CN114017214A - Intake prefilter and vehicle - Google Patents
Intake prefilter and vehicle Download PDFInfo
- Publication number
- CN114017214A CN114017214A CN202111178034.6A CN202111178034A CN114017214A CN 114017214 A CN114017214 A CN 114017214A CN 202111178034 A CN202111178034 A CN 202111178034A CN 114017214 A CN114017214 A CN 114017214A
- Authority
- CN
- China
- Prior art keywords
- air inlet
- inlet pipe
- air
- negative pressure
- intake
- 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
Links
- 238000011045 prefiltration Methods 0.000 title claims abstract description 10
- 239000000428 dust Substances 0.000 claims abstract description 43
- 238000001914 filtration Methods 0.000 claims abstract description 23
- 238000000926 separation method Methods 0.000 claims abstract description 19
- 238000002347 injection Methods 0.000 claims abstract description 11
- 239000007924 injection Substances 0.000 claims abstract description 11
- 238000004891 communication Methods 0.000 claims description 2
- 230000007704 transition Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 230000005484 gravity Effects 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Images
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
-
- 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
- F02M35/022—Air cleaners acting by gravity, by centrifugal, or by other inertial forces, e.g. with moistened walls
- F02M35/0223—Air cleaners acting by gravity, by centrifugal, or by other inertial forces, e.g. with moistened walls by centrifugal forces, e.g. cyclones
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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
- F02M35/04—Air cleaners specially arranged with respect to engine, to intake system or specially adapted to vehicle; Mounting thereon ; Combinations with other devices
- F02M35/048—Arranging or mounting on or with respect to engines or vehicle bodies
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/02—Air cleaners
- F02M35/08—Air cleaners with means for removing dust, particles or liquids from cleaners; with means for indicating clogging; with by-pass means; Regeneration of cleaners
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/02—Air cleaners
- F02M35/08—Air cleaners with means for removing dust, particles or liquids from cleaners; with means for indicating clogging; with by-pass means; Regeneration of cleaners
- F02M35/086—Dust removal by flushing, blasting, pulsating or aspirating flow, washing or the like; Mechanical dust removal, e.g. by using scrapers
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cyclones (AREA)
- Separating Particles In Gases By Inertia (AREA)
Abstract
The invention discloses an intake prefilter device and a vehicle, comprising an intake pipe; one end of the air inlet pipe is provided with an air inlet, the other end of the air inlet pipe is connected with an air filter, and an outlet of the air filter is connected with an engine; a cyclone separation structure is arranged in the air inlet pipe, and an injection pipe is connected to the lower side of the air inlet pipe opposite to the cyclone separation structure; the lower part of the air inlet pipe is sequentially provided with a negative pressure forming structure, a wind protection cover and a dust exhaust structure from left to right, and the wind protection cover is communicated with the negative pressure forming structure and the dust exhaust structure; the injection pipe extends to the outside of the air inlet pipe and is communicated with the negative pressure forming structure and the negative pressure space formed by the air protection cover. The air inlet pre-filtering device and the vehicle can reduce air inlet resistance and improve filtering efficiency.
Description
Technical Field
The invention relates to the technical field of automobiles, in particular to an air inlet pre-filtering device and a vehicle.
Background
The intake system functions to provide clean, dry, and temperature-appropriate air to the engine for combustion to minimize engine wear and maintain optimal engine performance, and therefore requires a high filtering efficiency for removing dust and moisture from the air.
The working environment of the heavy truck is severe, the environment is complex, the heavy truck is easily polluted by rainwater and dust, particularly the dust, the concentration of the dust is related to the height of the ground, the higher the ground is, the lower the concentration of the dust is, in order to obtain clean air, an air intake port of an air intake system of the heavy truck is arranged higher, the air intake port is generally arranged behind a cab, and a multi-stage filtering system is arranged. Heavy truck's prefilter structure is shown in fig. 1, and rain drops and the dust of big granule in the air are behind shutter A and breakwater B, utilize the viscous force and the action of gravity of rain drops or large granule impurity to be discharged by outlet D, and the air current flows through high-speed rotation behind whirl fan E, and under centrifugal action, the great impurity of density is got rid of to the wall, and rethread dust exhaust G discharges, and clear air passes through double-layer tube F and gets into air intake system. The dust discharging port is mainly used for discharging rainwater or dust under the action of gravity and shaking in the moving process of the vehicle. The heavy truck pre-filtering structure is high in dust removal and water removal efficiency, but the air flow direction is changed rapidly due to the forced flow guide effect of the shutter, the internal water baffle and the cyclone fan of the air intake, so that the loss of aerodynamic performance is large, the air intake resistance is very large, the pre-filtering structure is complex, the pipeline is long, the resistance is high, and the cost is high.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides an air inlet pre-filtering device capable of reducing air inlet resistance and improving filtering efficiency, and also aims to provide a vehicle.
In order to achieve the above object, the present invention provides an intake prefilter device, which is disposed in an engine compartment, and includes an intake pipe;
one end of the air inlet pipe is provided with an air inlet, the other end of the air inlet pipe is connected with an air filter, and an outlet of the air filter is connected with an engine;
a cyclone separation structure is arranged in the air inlet pipe, and an injection pipe is connected to the lower side of the air inlet pipe opposite to the cyclone separation structure;
the lower part of the air inlet pipe is sequentially provided with a negative pressure forming structure, a wind protection cover and a dust exhaust structure from left to right, and the wind protection cover is communicated with the negative pressure forming structure and the dust exhaust structure;
the injection pipe extends to the outside of the air inlet pipe and is communicated with the negative pressure forming structure and the negative pressure space formed by the air protection cover.
Preferably, the negative pressure forming structure is a radiator, and one end of the wind shield is connected to an air inlet of the radiator.
Preferably, the dust exhaust structure is a fan, and an air inlet of the fan is connected with the other end of the wind shield.
Preferably, the cyclone separation structure is a cyclone fan, and the edge of the cyclone fan is matched with the inner wall of the air inlet pipe.
Preferably, the fan cover is an air communication channel which is connected with the square radiator and transits to the fan which makes circular motion.
A vehicle comprises the intake pre-filtering device.
Compared with the prior art, the invention has the beneficial effects that:
the invention relates to an air inlet pre-filtering device, which comprises an air inlet pipe; one end of the air inlet pipe is provided with an air inlet, the other end of the air inlet pipe is connected with an air filter, and the outlet of the air filter is connected with an engine; a cyclone separation structure is arranged in the air inlet pipe, an injection pipe is connected to the lower side of the air inlet pipe opposite to the cyclone separation structure, the cyclone separation structure performs cyclone separation on air entering from the air inlet, and water vapor and dust with high density are thrown to the side wall of the air inlet pipe and enter the injection pipe under the centrifugal action; the lower part of the air inlet pipe is sequentially provided with a negative pressure forming structure, a wind protection cover and a dust exhaust structure from left to right, and the wind protection cover is simultaneously communicated with the negative pressure forming structure and the dust exhaust structure; the air inlet pre-filtering device comprises an air inlet pipe, an air inlet cover, an air inlet pipe, a negative pressure forming structure, a dust exhaust structure, an air inlet pre-filtering device and a fan cover, wherein the air inlet pipe extends to the outside of the air inlet pipe and is communicated with the negative pressure forming structure and the negative pressure space formed by the air protection cover; the pre-filtering structure is simple, only a cyclone separation structure needs to be arranged in the air inlet pipe, the required pipeline is short, the resistance is small, the cost is low, and the price is reduced by about 70 percent compared with that of the air inlet pre-filtering device in the prior art; owing to have and draw and penetrate the structure, can realize automatic dust exhaust, dewatering through the fan suction, lean on gravity shake form dust exhaust on year-on-year basis, automatic dust exhaust efficiency is higher, compares prior art dust exhaust impurity and increases about 50%, reduces the customer and changes filter core use charge.
Drawings
FIG. 1 is a schematic diagram of an intake pre-filtering device in the prior art;
FIG. 2 is a schematic structural diagram of an intake pre-filtering device according to an embodiment of the present invention;
FIG. 3 is a rear view of the structure of FIG. 1;
FIG. 4 is a schematic front view of the structure of FIG. 1;
fig. 5 is a partial structural view of fig. 3.
In the figure, A, a louver; B. a water baffle; C. an air inlet pipe; D. a water outlet; E. a swirl fan; F. a double-layer tube; G. a dust exhaust port;
1. an air filter; 2. a cyclonic separating structure; 3. an injection pipe; 4. a negative pressure forming structure; 5. a wind protection cover; 6. dust exhaust structure.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, which are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.
The intake pre-filtering device and the preferred embodiment thereof, referring to fig. 2-5, comprise an intake pipe C; one end of the air inlet pipe C is provided with an air inlet, the other end of the air inlet pipe C is connected with an air filter 1, and an outlet of the air filter 1 is connected with an engine; a cyclone separation structure 2 is arranged in the air inlet pipe C, an injection pipe 3 is connected to the lower side of the air inlet pipe C opposite to the cyclone separation structure 2, the cyclone separation structure 2 carries out cyclone separation on air entering from the air inlet, and water vapor and dust with high density are thrown to the side wall of the air inlet pipe C under the centrifugal action and enter the injection pipe 3; a negative pressure forming structure 4, a wind protection cover 5 and a dust exhaust structure 6 are sequentially arranged at the lower part of the air inlet pipe C from left to right, and the wind protection cover 5 is simultaneously communicated with the negative pressure forming structure 4 and the dust exhaust structure 6; the ejection pipe 3 extends to the outside of the air inlet pipe C and is communicated with a negative pressure space formed by the negative pressure forming structure 4 and the air protection cover 5, water vapor and dust in the ejection pipe 3 are absorbed into the negative pressure space by utilizing negative pressure in the negative pressure space, and then the water vapor and the dust are discharged by utilizing the dust exhaust structure 6; the air inlet pipe C path is shorter, the structure is simpler, and the price is reduced by about 70 percent compared with that of the air inlet pre-filtering device in the prior art; because there is cyclone isolating construction 2 and draws and penetrate pipe 3, can realize automatic dust exhaust, dewatering through the fan suction, rely on gravity shake form dust exhaust on the same year, automatic dust exhaust efficiency is higher, compares prior art and increases about 50%, reduces customer's renew cartridge service charge.
Wherein, in the embodiment of this application, negative pressure forms structure 4 and is the radiator, and the one end of protecting fan housing 5 is connected in the department of giving vent to anger of radiator, utilizes the radiator to form negative pressure environment to will draw the steam and the dust in penetrating pipe 3 and inhale in the negative pressure space.
Further, the dust exhaust structure 6 in the embodiment of the present application is a fan, an air inlet of the fan is connected to the other end of the air protection cover 5, and the suction force of the fan is utilized to discharge the water vapor and dust in the negative pressure space to the air through the fan blades.
Exemplarily, cyclone separation structure 2 is the whirl fan, and the whirl fan edge is arranged with intake pipe C's inner wall matching to the cyclone that makes the air that enters into in the intake pipe C can all pass through the whirl fan is used, makes steam and dust can be by the complete separation, further improves dust exhaust efficiency.
The wind shield 5 in the present application is specifically a tubular structure with a fan-shaped upper and lower section; because the fan housing 5 is specifically used for communicating the negative pressure forming structure 4 and the dust exhaust structure 6, in other embodiments of the present application, the fan housing 5 is an air communicating channel that connects the square heat sink to the fan that makes circular motion, and may be a cavity or a straight tubular structure.
An embodiment of a vehicle comprises an air intake pre-filtering device, and the structure of the air intake pre-filtering device in the embodiment is the same as that of the air intake pre-filtering device.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (6)
1. An air inlet pre-filtering device is arranged in an engine compartment and is characterized by comprising an air inlet pipe;
one end of the air inlet pipe is provided with an air inlet, the other end of the air inlet pipe is connected with an air filter, and an outlet of the air filter is connected with an engine;
a cyclone separation structure is arranged in the air inlet pipe, and an injection pipe is connected to the lower side of the air inlet pipe opposite to the cyclone separation structure;
the lower part of the air inlet pipe is sequentially provided with a negative pressure forming structure, a wind protection cover and a dust exhaust structure from left to right, and the wind protection cover is communicated with the negative pressure forming structure and the dust exhaust structure;
the injection pipe extends to the outside of the air inlet pipe and is communicated with the negative pressure forming structure and the negative pressure space formed by the air protection cover.
2. The intake prefilter apparatus of claim 1 wherein said negative pressure producing structure is a radiator and said cowl is connected at one end to an outlet of said radiator.
3. The intake pre-filter device as claimed in claim 2, wherein the dust exhaust structure is a fan, and an air inlet of the fan is connected to the other end of the fan housing.
4. The intake pre-filter apparatus of claim 1, wherein the cyclonic separation structure is a swirl fan, and wherein the edge of the swirl fan is matingly disposed with the inner wall of the intake duct.
5. The intake pre-filter apparatus of claim 1, wherein the cowl is an air communication duct that transitions a square radiator to a circular fan.
6. A vehicle comprising an intake pre-filter device as claimed in any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111178034.6A CN114017214A (en) | 2021-10-09 | 2021-10-09 | Intake prefilter and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111178034.6A CN114017214A (en) | 2021-10-09 | 2021-10-09 | Intake prefilter and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114017214A true CN114017214A (en) | 2022-02-08 |
Family
ID=80055700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111178034.6A Pending CN114017214A (en) | 2021-10-09 | 2021-10-09 | Intake prefilter and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114017214A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116272186A (en) * | 2023-03-09 | 2023-06-23 | 上海捷氢科技股份有限公司 | Air filtering device for hydrogen fuel cell automobile and hydrogen fuel cell automobile |
| CN117738272A (en) * | 2024-01-29 | 2024-03-22 | 徐工集团工程机械股份有限公司科技分公司 | Cabin cooling dust pelletizing system and loader |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202832884U (en) * | 2012-09-26 | 2013-03-27 | 东风汽车股份有限公司 | Prefilter type diesel engine air filter |
| CN206111393U (en) * | 2016-08-30 | 2017-04-19 | 第一拖拉机股份有限公司 | Empty automatic dust collector of negative pressure that strains of tractor |
| CN109072828A (en) * | 2016-05-13 | 2018-12-21 | 康明斯过滤Ip公司 | Inertial prefilter with variable suction flow control via ambient dust concentration sensor input |
| CN209100171U (en) * | 2018-10-15 | 2019-07-12 | 第一拖拉机股份有限公司 | A kind of engine air filter negative pressure dust removing device |
| CN209687627U (en) * | 2019-03-20 | 2019-11-26 | 山推工程机械股份有限公司 | A kind of New engineering machinery air filter dust-exbaust system |
| CN113027643A (en) * | 2021-03-04 | 2021-06-25 | 四川百纳科技有限责任公司 | Double-section crawler type all-terrain armored vehicle air inlet system |
| CN214092089U (en) * | 2020-12-09 | 2021-08-31 | 济南临工矿山设备科技有限公司 | Guiding and jetting dust removal device of scraper |
-
2021
- 2021-10-09 CN CN202111178034.6A patent/CN114017214A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202832884U (en) * | 2012-09-26 | 2013-03-27 | 东风汽车股份有限公司 | Prefilter type diesel engine air filter |
| CN109072828A (en) * | 2016-05-13 | 2018-12-21 | 康明斯过滤Ip公司 | Inertial prefilter with variable suction flow control via ambient dust concentration sensor input |
| CN206111393U (en) * | 2016-08-30 | 2017-04-19 | 第一拖拉机股份有限公司 | Empty automatic dust collector of negative pressure that strains of tractor |
| CN209100171U (en) * | 2018-10-15 | 2019-07-12 | 第一拖拉机股份有限公司 | A kind of engine air filter negative pressure dust removing device |
| CN209687627U (en) * | 2019-03-20 | 2019-11-26 | 山推工程机械股份有限公司 | A kind of New engineering machinery air filter dust-exbaust system |
| CN214092089U (en) * | 2020-12-09 | 2021-08-31 | 济南临工矿山设备科技有限公司 | Guiding and jetting dust removal device of scraper |
| CN113027643A (en) * | 2021-03-04 | 2021-06-25 | 四川百纳科技有限责任公司 | Double-section crawler type all-terrain armored vehicle air inlet system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116272186A (en) * | 2023-03-09 | 2023-06-23 | 上海捷氢科技股份有限公司 | Air filtering device for hydrogen fuel cell automobile and hydrogen fuel cell automobile |
| CN117738272A (en) * | 2024-01-29 | 2024-03-22 | 徐工集团工程机械股份有限公司科技分公司 | Cabin cooling dust pelletizing system and loader |
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| PB01 | Publication | ||
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Application publication date: 20220208 |