CN106194672B - Cavity volume type variable air filter shell and its air filter - Google Patents
Cavity volume type variable air filter shell and its air filter Download PDFInfo
- Publication number
- CN106194672B CN106194672B CN201610738403.5A CN201610738403A CN106194672B CN 106194672 B CN106194672 B CN 106194672B CN 201610738403 A CN201610738403 A CN 201610738403A CN 106194672 B CN106194672 B CN 106194672B
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- CN
- China
- Prior art keywords
- shell
- air filter
- engine
- cavity volume
- cavity
- 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.)
- Expired - Fee Related
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/16—Filtration; Moisture separation
-
- 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
- F02M35/0201—Housings; Casings; Frame constructions; Lids; Manufacturing or assembling thereof
- F02M35/0204—Housings; Casings; Frame constructions; Lids; Manufacturing or assembling thereof for connecting or joining to other devices, e.g. pipes
Abstract
The invention discloses a kind of cavity volume type variable air filter shell and its air filter, the cavity volume of shell is variable；Different air filter volumes can be generated under Different Work Condition of Engine, and the engine charge generation under engine different rotating speeds is taken into account, generates charge pulsation effect in the full speed stage of engine to realize, engine is improved and carries out efficiency, improve the performance of engine.
Description
Technical field
The present invention relates to reciprocating machine field of air filtration, in particular to a kind of cavity volume type variable air filter shell
And its air filter.
Background technique
Air filter is the abbreviation of air cleaner, when reciprocating machine (internal combustion engine, reciprocating compressor etc.) works, if inhaled
Enter just to aggravate in air containing impurity such as dusts the abrasion of components, so air cleaner must be equipped with.Air filter is general
Including shell, air inlet pipe and an air outlet pipe, filter core is provided in shell, the inlet manifold connection of escape pipe and engine, filter core will
The housing cavity of air filter is separated into ante-chamber and back cavity, and outside air enters ante-chamber, enters back cavity outlet by the filtering of filter core,
Enter back into carburetor.One of ordinary skill in the art know that the intake efficiency of air filter and engine is closely bound up, and engine
Intake efficiency is the basic reasons for restricting engine performance, the ante-chamber of air filter and the volume size of back cavity and charge pulsation frequency
Rate, which matches, can play the role of increasing air inflow, but in the prior art, and the ante-chamber of air filter and the volume of back cavity are fixed, only
Charge pulsation effect can be generated in a certain range of speeds, cannot be considered in terms of the engine charge under other revolving speeds, to influence to send out
The intake efficiency of motivation, and then influence the performance of engine.
Therefore, it is necessary to improve to existing air filter shell, make it can be to the engine under engine different rotating speeds
Air inlet generation takes into account, and charge pulsation effect can be generated in full speed stage, so that improving engine carries out efficiency.
Summary of the invention
It, can be to starting in view of this, the present invention provides a kind of cavity volume type variable air filter shell and its air filter
Engine charge generation under machine different rotating speeds takes into account, and charge pulsation effect can be generated in full speed stage, is started to improve
Machine carries out efficiency.
The cavity volume of cavity volume type variable air filter shell of the invention, shell is variable；Wherein, air filter includes sky
In the intracorporal filter core of air filter shell, the cavity volume of shell is variable to refer to that the cavity volume of shell can become larger for filter shell and setting
Become smaller, inner cavity is on-fixed volume, can be adapted to required air inflow under engine different rotating speeds by the way that vome of shell is variable
It sexually revises, even if air filter can produce charge pulsation effect within the scope of different rotating speeds, reaches and take into account engine speed and issue
The demand of motivation air inflow, to improve engine charging efficiency；Certainly, the cavity volume of air filter shell is variable can be by can
Stretching structure or airbag structure are realized, change cavity volume as long as can achieve the purpose that realize.
Further, shell has retractable structure on air-flow direction, and realizes shell by the retractable structure
Cavity volume is variable；That is the cavity volume of shell is variable to be realized by retractable structure, and retractable structure is formed on shell, and
Can be elastic on air-flow direction, air-flow direction refers to that air enters the direction of air throttle, air from air filter
Enter from the air intake of air filter shell, flows out and enter from the air outlet slit of air filter shell after the filter element filtering of air filter
Air throttle finally enters combustion chamber；Retractable structure connection structure is simple, realizes and is easy, is needing to change housing cavity volume
When, the change for easily and fast realizing housing cavity volume can be driven by external device (ED).
Further, retractable structure can be accomplished in several ways, specifically, a kind of implementation of retractable structure
Are as follows: shell includes inner housing and outer housing, and the outer housing is covered in the inner housing and the two is sealable opposite reciprocatingly slides
Form the retractable structure；I.e. shell is made of inner housing and outer housing two parts, and outer housing covers on inner housing, and shell
It opposite can be slided between body and inner housing and realize retractable structure, and the place of being slidably matched of retractable structure is provided with sealing element；
Not only there is preferable structural strength, and there can be better guiding performance when flexible, the change of cavity volume is easier
It is controlled；Wherein, sealing element is the ring structure conformal with inner housing and shell shape, including mounting means can pass through
Sealing ring mounting groove realization is arranged in the place of being slidably matched of shell or outer housing or sealing element is packing seal element, i.e., in inner housing
Or the place of being slidably matched of outer housing carries out filler and forms packing seal, preferably to adapt to the sealing to opposite sliding；
Another implementation of retractable structure is that retractable structure is bellows structure；I.e. retractable structure be can
Flexible bellows structure has globality structure good, can fast implement to the mode for changing volume, and cost is relatively low；On
It states two ways and the flexible volume for changing housing cavity can be achieved.
Further, when retractable structure is bellows structure, the ontology of bellows structure and shell is integrally formed；That is ripple
Pipe is made into integration as the ontology of retractable structure and shell, has preferable globality, and can guarantee sealing；And use wave
The retractable structure of line pipe structure can be such that pressure fluctuation when air inlet is buffered, and reduce noise.
Further, the inner cavity of shell is divided into ante-chamber and back cavity along air-flow direction, and retractable structure is correspondingly arranged
In the back cavity of the shell；Filter core is set in the inner cavity of shell, and the inner cavity of shell is separated into ante-chamber and back cavity, ante-chamber by filter core
Referred to as inlet chamber, back cavity are also referred to as outlet chamber, since preceding intracavity gas is also filtered, and air filter back cavity and engine throttle
Door directly connection is used for air inlet, and the volume size of back cavity has direct influence to the intake efficiency of engine；By retractable structure
It is arranged at back cavity, i.e., the back cavity volume of shell is varistructure, can be carried out to the engine charge demand under different rotating speeds fast
Speed reaction, makes engine charge generate charge pulsation effect in full speed section, full speed section refers in whole velocity intervals.
The invention also discloses a kind of air filter using chamber variable volume air filter shell, air filter is equipped with this
Cavity volume type variable air filter shell；I.e. air filter further includes the filter core being arranged in air filter housing cavity, and filter core will be empty
The inner cavity of filter shell is divided into ante-chamber and back cavity, and the cavity volume of air filter shell is variable.
Beneficial effects of the present invention: cavity volume type variable air filter shell of the invention and its air filter, shell it is interior
Chamber variable volume can generate different air filter volumes, to the hair under engine different rotating speeds under Different Work Condition of Engine
Motivation air inlet generation takes into account, and generates charge pulsation effect in the full speed stage of engine to realize, improves engine air efficiency,
Improve the performance of engine.
Detailed description of the invention
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is cavity volume type variable air filter shell use state diagram of the invention；
Fig. 2 is the control system flow chart of the cavity volume type variable air filter shell and its air filter in the present invention.
Specific embodiment
Fig. 1 is cavity volume type variable air filter shell use state diagram of the invention, and Fig. 2 is the chamber in the present invention
The control system flow chart of room variable volume air filter shell and its air filter, as shown in the figure: the cavity volume of the present embodiment
The cavity volume of type variable air filter shell, shell 1 is variable；Wherein, air filter includes air filter shell 1 and is arranged in air filter
Filter core 2 in shell 1, the cavity volume of shell 1 is variable to be referred to that the cavity volume of shell 1 can become larger and becomes smaller, and inner cavity is on-fixed
Volume can carry out adaptive change to air inflow required under engine different rotating speeds by 1 variable volume of shell, even if air filter
It can produce charge pulsation effect within the scope of different rotating speeds, reach the demand for taking into account air input of engine by air under engine speed,
To improve engine charging efficiency；Certainly, the cavity volume of air filter shell 1 is variable can pass through retractable structure or air bag knot
Structure is realized, changes cavity volume as long as can achieve the purpose that realize.
In the present embodiment, shell 1 has retractable structure on air-flow direction, and realizes shell by the retractable structure
The cavity volume of body is variable；That is the cavity volume of shell 1 is variable to be realized by retractable structure, and retractable structure is formed in shell
On 1, and can be elastic on air-flow direction, air-flow direction refers to that air enters the side of air throttle from air filter
To air enters from the air intake of air filter shell 1, goes out after the filter core 2 of air filter filters from the air of air filter shell 1
Mouth outflow enters air throttle 5, finally enters combustion chamber 6；Retractable structure connection structure is simple, realizes and is easy, is needing to change
When 1 cavity volume of shell, the change for easily and fast realizing 1 cavity volume of shell can be driven by external device (ED).
In the present embodiment, specifically, retractable structure can be realized by two ways, a kind of realization side of retractable structure
Formula are as follows: shell 1 includes inner housing and outer housing, and the outer housing is covered in the inner housing and the sealable relatively reciprocal cunning of the two
It is dynamic to form the retractable structure；I.e. shell 1 is made of inner housing and outer housing two parts, and outer housing covers on inner housing, and
It opposite can be slided between outer housing and inner housing and realize retractable structure, which is being not shown in the figure；Not only have preferable
Structural strength, and can have better guiding performance when flexible, it is more easily controlled to the change of cavity volume；Wherein, it can stretch
The place of being slidably matched of shrinking structure is provided with sealing element, and sealing element is the sealing loop knot conformal with inner housing and shell shape
Structure, mounting means can be by being arranged sealing ring mounting groove realization or sealing element at the place of being slidably matched of inner housing or outer housing
For packing seal element, i.e., filler is carried out at the place of being slidably matched of inner housing or outer housing and form packing seal, preferably to adapt to
Sealing to opposite sliding；
Another implementation of retractable structure is, as shown, retractable structure is bellows structure 1-2；?
Stretching structure is telescopic bellows structure 1-2, has globality structure good, can be quickly real to the mode for changing volume
It is existing, and cost is relatively low；The flexible volume for changing 1 inner cavity of shell can be achieved in above two mode.
In the present embodiment, when retractable structure is bellows structure 1-2, the ontology 1-1 of bellows structure 1-2 and shell 1
It is integrally formed；I.e. bellows is made into integration as the ontology 1-1 of retractable structure and shell 1, has preferable globality, and can
Guarantee sealing；And pressure fluctuation when air inlet can be made to be buffered using the retractable structure of bellows structure 1-2, reduction is made an uproar
Sound.
In the present embodiment, the inner cavity of shell 1 is divided into ante-chamber 3 and back cavity 4, retractable structure pair along air-flow direction
The back cavity 4 of the shell 1 should be set to；Filter core 2 is set in the inner cavity of shell 1, and the inner cavity of shell 1 is separated into ante-chamber 3 by filter core 2
With back cavity 4, ante-chamber 3 is also referred to as inlet chamber, and back cavity 4 is also referred to as outlet chamber, since gas is also filtered in ante-chamber 3, and air filter
Device back cavity 4 is directly connected to for air inlet with engine air throttle 5, and the volume size of back cavity 4 has directly the intake efficiency of engine
The influence connect；Retractable structure is arranged at back cavity 4, i.e., 4 volume of back cavity of shell 1 is varistructure, can be to different rotating speeds
Under engine charge demand carry out fast reaction, so that engine charge is generated charge pulsation effect, full speed section in full speed section
Refer in whole velocity intervals.
The invention also discloses a kind of air filter using chamber variable volume air filter shell 1, air filter is equipped with
The cavity volume type variable air filter shell 1；I.e. air filter further includes the filter core 2 being arranged in 1 inner cavity of air filter shell, filter core
The inner cavity of air filter shell 1 is divided into ante-chamber 3 and back cavity 4 by 2, and the cavity volume of air filter shell 1 is variable.
The variable volume of cavity volume type variable air filter shell and its air filter of the invention can by control system into
Row regulation, control system regulate and control the cavity volume of air filter according to engine operation condition, and control system includes: detection unit 8,
For obtaining engine operation condition；Unit 7 is adjusted, for adjusting air filter volume；Controller 9, for receiving detection unit 8
Engine condition signal and according to the signal to adjust unit 7 issue adjustment air filter volume control command；I.e. detection is single
The operating parameter of first 8 pairs of engines is detected and is exported detection signal, can be to engine speed, engine throttle opening, hair
One or more of motivation torque or engine throttle unit time change rate are detected, and according to detected
It detects signal to export to controller 9, detection unit 8 and adjusting unit 7 are electrically connected with controller 9, and controller 9 can be controlled for ECU
Device processed judges the operating condition of engine that judgement is former after controller 9 receives the transmission signal that detection unit 8 detects
Reason is to carry out conversion to detection signal and compared with operating condition judgment threshold range pre-set in controller 9, when detection is believed
Number conversion after numerical value it is corresponding with a certain operating condition threshold range when, controller 9 determine belong to corresponding operating condition at this time, and
The control command of air filter volume is adjusted to the sending of unit 7 is adjusted according to air input of engine by air needed for current operating condition, and is controlled
System adjusts the variable quantity of the adjustment volume variation of unit 7；Different air filter volumes can be generated under Different Work Condition of Engine,
Engine charge generation under engine different rotating speeds is taken into account, generates charge pulsation in the full speed stage of engine to realize
Effect improves engine and carries out efficiency, improves the performance of engine.
In addition, detection unit 8 therein includes at least speed probe；Detection unit 8 can be speed probe, certainly
It can be combined for speed probe with one or both of throttle position switch or torque sensor, since air filter volume can
The difference of air inlet frequency needed for becoming the rotation speed change mainly to adapt to engine, therefore at least the revolving speed of engine is examined
It surveys；Speed probe refers to the sensor that the revolving speed of rotating object is converted to electricity output.Adjusting unit 7 is and air filter
The linear motor that shell 1 is equipped with and retractable structure can be driven flexible；Linear motor is that linear stepping motor or straight line are watched
Take motor；Linear motor refers to that output is the motor of linear movement, wherein linear stepping motor refers to inside motor rotation
Conversion of motion is linear movement, and linear servo-actuator is one kind of servo motor, and same output is linear motion；Certainly, it adjusts
Unit can equally realize by rotating electric machine and transmission device, and transmission device and rotating electric machine are sequentially connected and by rotating electric machines
Rotational motion becomes moving along a straight line, and in transmission device, can be realized by leadscrew-nut mechanism.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the scope of the claims of invention.
Claims (2)
1. a kind of cavity volume type variable air filter shell, it is characterised in that: the cavity volume of the shell is variable；The shell
There is retractable structure on air-flow direction, and realize that the cavity volume of shell can be changed by the retractable structure；It is described can
Stretching structure is bellows structure；The ontology of the bellows structure and the shell is integrally formed；It is arranged in the inner cavity of shell
The inner cavity of shell is separated into ante-chamber and back cavity by filter core, filter core, and the retractable structure is correspondingly arranged in the back cavity of the shell；
The variable volume of the cavity volume type variable air filter shell is regulated and controled by control system, and control system is according to engine
Operating condition regulates and controls the cavity volume of air filter, and control system includes: detection unit, for obtaining engine operation condition；It adjusts
Unit is saved, for adjusting air filter volume；Controller, for receiving the engine condition signal of detection unit and according to the signal
To the control command for adjusting unit sending adjustment air filter volume；Adjusting unit is to be equipped with and can drive with the shell of air filter
The flexible linear motor of dynamic retractable structure.
2. a kind of air filter using cavity volume type variable air filter shell described in claim 1, it is characterised in that: described
Air filter is equipped with the cavity volume type variable air filter shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610738403.5A CN106194672B (en) | 2016-08-26 | 2016-08-26 | Cavity volume type variable air filter shell and its air filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610738403.5A CN106194672B (en) | 2016-08-26 | 2016-08-26 | Cavity volume type variable air filter shell and its air filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106194672A CN106194672A (en) | 2016-12-07 |
| CN106194672B true CN106194672B (en) | 2019-07-26 |
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ID=57527013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610738403.5A Expired - Fee Related CN106194672B (en) | 2016-08-26 | 2016-08-26 | Cavity volume type variable air filter shell and its air filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106194672B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107654320B (en) * | 2017-10-31 | 2024-02-20 | 聊城锦鸿汽车销售服务有限公司 | Air filter with adjustable inner cavity volume |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2413039Y (en) * | 2000-04-11 | 2001-01-03 | 张玉金 | Air cleaner for adjustable-speed motorcycle |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19926135A1 (en) * | 1999-06-09 | 2000-12-14 | Volkswagen Ag | Air intake system for an internal combustion engine |
| CN101571073B (en) * | 2008-04-30 | 2011-10-12 | 比亚迪股份有限公司 | Variable air intake pipe and variable air intake system including same |
| CN101782033A (en) * | 2010-03-18 | 2010-07-21 | 山东大学 | Volume-variable pressure-stabilizing air filter of motor |
| CN103742317A (en) * | 2013-12-23 | 2014-04-23 | 广西科技大学 | Length variable intake manifold |
| CN206017104U (en) * | 2016-08-26 | 2017-03-15 | 重庆隆鑫机车有限公司 | Air filter housing and its air filter |
-
2016
- 2016-08-26 CN CN201610738403.5A patent/CN106194672B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2413039Y (en) * | 2000-04-11 | 2001-01-03 | 张玉金 | Air cleaner for adjustable-speed motorcycle |
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| Publication number | Publication date |
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| CN106194672A (en) | 2016-12-07 |
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