CN106337722A - Air inlet pressure wave adjusting device - Google Patents
Air inlet pressure wave adjusting device Download PDFInfo
- Publication number
- CN106337722A CN106337722A CN201610757305.6A CN201610757305A CN106337722A CN 106337722 A CN106337722 A CN 106337722A CN 201610757305 A CN201610757305 A CN 201610757305A CN 106337722 A CN106337722 A CN 106337722A
- Authority
- CN
- China
- Prior art keywords
- centrifugal
- air inlet
- arc plate
- chamber
- control volume
- 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
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B27/00—Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues
- F02B27/02—Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues the systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume, or like variable means
- F02B27/0205—Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues the systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume, or like variable means characterised by the charging effect
- F02B27/0215—Oscillating pipe charging, i.e. variable intake pipe length charging
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B27/00—Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues
- F02B27/02—Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues the systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume, or like variable means
- F02B27/0226—Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues the systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume, or like variable means characterised by the means generating the charging effect
- F02B27/0231—Movable ducts, walls or the like
- F02B27/0236—Movable ducts, walls or the like with continuously variable adjustment of a length or width
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Abstract
The invention discloses an air inlet pressure wave adjusting device in the technical field of mechanical design. The air inlet pressure wave adjusting device comprises an adjusting cavity, a movable body, a control body, a centrifugal shaft, a centrifugal cavity, a centrifugal body, a centrifugal spring, an arc plate, an elastic band and an air pipe, wherein the centrifugal cavity, the centrifugal body, the centrifugal spring, the arc plate and the elastic band are arranged in the control body, and one end of the centrifugal body is arranged in the centrifugal cavity and connected with the centrifugal shaft through the centrifugal spring. The other end of the centrifugal body is of an arc structure, the other end of the centrifugal body is in sealed contact with the arc plate, and the elastic band is arranged on the outer surface of the arc plate. When the rotating speed of an engine is high, the movable plate ascends, and the volume of an air inlet pipeline becomes small; and when the rotating speed of the engine is low, the movable plate descends, and the volume of the air inlet pipeline becomes large. The air inlet pressure wave adjusting device is reasonable in design, simple in structure and suitable for optimization design of a variable air inlet pipe system.
Description
Technical field
The present invention relates to a kind of intake pressure wave adjusting means of technical field of mechanical design, particularly a kind of applicable
Intake pressure wave adjusting means in air inlet pipeline variable volume system.
Background technology
Present electromotor can be divided into naturally aspirated and booster-type, and wherein booster-type can be divided into engine driven supercharging, turbine again
Supercharging and up-to-date complex supercharge.Naturally aspirated does not have supercharger, refers to air merely through air filter, solar term
Door, inlet manifold reach cylinder, and gasoline is to be injected directly in inlet manifold by atomizer.Taking four cylinder engine as a example,
One piston makees a work(four strokes: descending (inlet valve is opened, and there is pressure differential, the gaseous mixture of air and fuel oil is in pressure
Cylinder is entered in the presence of power difference), up (IC Intake Valve Closes, compress gaseous mixture, and piston stroking upward is lighted a fire to during peak), and under
Row (mixture combustion expands, and promotes piston externally to do work, exports power), and up (exhaust valve is opened, aerofluxuss).Natural aspiration
Formula just refers in above first stroke, and gaseous mixture is that the pressure differential by self-assembling formation carries out air-breathing, and booster-type just refers to elder generation
Gas compression, improve pressure and the density of gas, depended on pressure difference and the high pressure of gas itself to increase when valve is opened
Add tolerance, improve power.For naturally aspirated engine, variable intake manifold technology is more universal.Variable air inlet discrimination
Gutron is crossed and is changed the length of air inlet pipe and sectional area, improves efficiency of combustion, make electromotor in the slow-speed of revolution more steadily, moment of torsion more fills
Foot, more smooth during high rotating speed, power is more powerful.In ideal conditions, in speed operation, inlet manifold volume is the bigger the better,
In high-speed working condition, inlet manifold volume is the smaller the better, and so in every speed, the charging efficiency of electromotor is all higher, and performance is all
Preferably.
Through existing document retrieval, find that number of patent application is 20142022823.6, entitled small displacement engine is variable
A kind of patented technology of inlet manifold, there is provided technology of exhaust pipe volume two-stage variable, but it is unable to air inlet pipe volume now
Real continuous variable.
Content of the invention
The present invention is directed to above-mentioned the deficiencies in the prior art, there is provided a kind of intake pressure wave adjusting means, can make to start
Machine air inlet pipeline volume carries out self regulation according to engine speed.
The present invention is achieved through the following technical solutions, and the present invention includes front end airflow pipe, rear end air inlet pipe, sky
Filter, air throttle, electromotor, exhaustor, catalyst converter, deafener, regulation chamber, movable plate, control volume, tensile axis, stretch, centrifugation
Axle, centrifugal chamber, centrifugation body, centrifugation spring, arc plate, elastic cord, trachea, the two ends of air throttle respectively with front end airflow pipe, after
End air inlet pipe is connected, and the air intake duct of electromotor is connected with rear end air inlet pipe, and the exhaust duct of electromotor is connected with exhaustor,
Air filter is arranged on front end airflow pipe, and catalyst converter, deafener are sequentially arranged on exhaustor, adjusts chamber and is arranged in rear end air inlet pipe
Lower wall surface, movable plate is arranged in and adjusts intracavity in sealing contact with the internal face adjusting chamber, and the cross section of movable plate is rectangular
Shape structure, one end of stretch is consolidated with movable plate through after the upper wall surface of front end airflow pipe, the other end of stretch
It is consolidated with one end of tensile axis, the other end of tensile axis is consolidated with the upper end arc plate within control volume, from
One end of heart axle pass through control volume antetheca center after be embedded on the rear wall of control volume, centrifugal chamber, centrifugation body, centrifugation spring,
Arc plate, elastic cord are arranged in control in vivo, and centrifugal chamber is consolidated with centrifugal shaft, and one end of centrifugation body is arranged in centrifugation
Intracavity is simultaneously connected with centrifugal shaft by being centrifuged spring, and the other end of centrifugation body is arc structure, is centrifuged the other end and the circle of body
Arc plate is in sealing contact, and elastic cord is arranged in the outer surface of arc plate, and the other end of centrifugal shaft passes through the bent axle of chain and electromotor
It is connected, the two ends of trachea are connected with the lower end cavity of the exhaustor before catalyst converter, regulation chamber respectively.
Further, the cross section of control volume internal cavity is circle in the present invention, and centrifugal chamber, arc plate are in control volume
Inside it is array arrangement, the number of arc plate is more than or equal to the number of centrifugal chamber, the gap width between arc plate is less than
The cross-sectional width of centrifugation body, carries elastic wire structure inside elastic cord.
Compared with prior art, the present invention have the advantages that for: the present invention is reasonable in design, and structure is simple；Air inlet
Pipe volume can carry out continuously adjustabe according to engine speed, thus taking into account the various operating conditions of electromotor.
Brief description
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the profilograph of air intake branch in the present invention；
Fig. 3 is the structural representation of a-a section in Fig. 2；
Fig. 4 is the profile of control volume in the present invention；
Fig. 5 is the structural representation of b-b section in Fig. 4；
Fig. 6 is the structural representation of c-c section in Fig. 5；
Wherein: 1, engine air inlet tube, 2, air filter, 3, air throttle, 4, inlet manifold, 5, air intake branch, 6, electromotor, 7,
The exhaust pipe of engine, 8, catalysis bag, 9, deafener, 10, adjust chamber, 11, control volume, 12, tensile axis, 13, stretch, 14, from
Heart axle, 15, centrifugal chamber, 16, centrifugation body, 17, centrifugation spring, 18, arc plate, 19, elastic cord, 20, trachea.
Specific embodiment
Below in conjunction with the accompanying drawings embodiments of the invention are elaborated, the present embodiment is front with technical solution of the present invention
Carry, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to following embodiments.
Embodiment
As shown in Figures 1 to 6, the present invention includes front end airflow pipe 1, rear end air inlet pipe 2, air filter 3, air throttle 4, electromotor
5th, exhaustor 6, catalyst converter 7, deafener 8, regulation chamber 9, movable plate 10, control volume 11, tensile axis 12, stretch 13, centrifugal shaft
14th, centrifugal chamber 15, centrifugation body 16, centrifugation spring 17, arc plate 18, elastic cord 19, trachea 20, the two ends of air throttle 4 respectively with
Front end airflow pipe 1, rear end air inlet pipe 2 are connected, and the air intake duct of electromotor 5 is connected with rear end air inlet pipe 2, the row of electromotor 5
Air flue is connected with exhaustor 6, and air filter 3 is arranged on front end airflow pipe 1, and catalyst converter 7, deafener 8 are sequentially arranged in exhaustor 6
On, adjust the lower wall surface that chamber 9 is arranged in rear end air inlet pipe 2, movable plate 10 is arranged in the inwall adjusting in chamber 9 and with regulation chamber 9
Face seal contacts, and the cross section of movable plate 10 is rectangle structure, and one end of stretch 13 passes through the upper wall surface of front end airflow pipe 1
It is consolidated with movable plate 10 afterwards, the other end of stretch 13 is consolidated with one end of tensile axis 12, tensile axis 12
The other end is consolidated with the upper end arc plate 18 within control volume 11, and one end of centrifugal shaft 14 passes through the antetheca of control volume 11
It is embedded in behind center on the rear wall of control volume 11, centrifugal chamber 15, centrifugation body 16, centrifugation spring 17, arc plate 18, elastic cord 19 are equal
It is arranged in control volume 11, centrifugal chamber 15 is consolidated with centrifugal shaft 14, one end of centrifugation body 16 is arranged in centrifugal chamber 15
And be connected with centrifugal shaft 14 by being centrifuged spring 17, the other end of centrifugation body 16 is arc structure, the other end of centrifugation body 16
In sealing contact with arc plate 18, elastic cord 19 is arranged in the outer surface of arc plate 18, the other end of centrifugal shaft 14 pass through chain with
The bent axle of electromotor 4 is connected, the two ends of trachea 20 respectively with catalyst converter 7 before exhaustor 6, adjust the lower end cavity phase in chamber 9
Connection；The cross section of control volume 11 internal cavity is circle, and centrifugal chamber 15, arc plate 18 are array cloth in control volume 11
Put, the number of arc plate 18 is more than or equal to the number of centrifugal chamber 15, the gap width between arc plate 18 is less than centrifugation body 16
Cross-sectional width, elastic cord 19 is internal to carry elastic wire structure.
In the work process of the present invention, when the engine rotational speed is increased, the rotating speed of centrifugal shaft 14 also increases, be arranged in from
Centrifugation body 16 in the chambers of the heart 15 centrifugal force in rotary course increases, and centrifugation body 16 is synchronous to be displaced outwardly and stretch centrifugation spring
17, the upper end arc plate 18 being arranged in control volume 11 moves up after the effect of centrifugal force by centrifugation body 16, tensile axis
12 also move in synchronization, and tensile axis 12 drive and move in stretch 13, so that stretch 13 pulls moving on movable plate 10, air inlet pipeline
Volume diminishes；When engine speed is relatively low, the rotating speed of centrifugal shaft 14 is relatively low, in the presence of centrifugation spring 17, elastic cord 19
Centrifugation body 16 is synchronous to be moved inward, and the upper end arc plate 18 being arranged in control volume 11 moves down, and tensile axis 12 are also under synchronization
Move, tensile axis 12 drive stretch 13 to move down, so that stretch 13 drives moving body 10 to move down, air inlet pipeline volume becomes big,
Electromotor charging efficiency is larger.In the presence of trachea 20, engine exhaust can be mobile with the lower end cavity in air inlet adjustment chamber 9
Plate 10 is more stable when moving up and down.
Claims (2)
1. a kind of intake pressure wave adjusting means, including front end airflow pipe (1), rear end air inlet pipe (2), air filter (3), air throttle
(4), electromotor (5), exhaustor (6), catalyst converter (7), deafener (8), the two ends of air throttle (4) respectively with front end airflow pipe
(1), rear end air inlet pipe (2) is connected, and the air intake duct of electromotor (5) is connected with rear end air inlet pipe (2), the row of electromotor (5)
Air flue is connected with exhaustor (6), and air filter (3) is arranged on front end airflow pipe (1), catalyst converter (7), deafener (8) cloth successively
Put exhaustor (6) upper it is characterised in that also include adjusting chamber (9), movable plate (10), control volume (11), tensile axis (12),
Stretch (13), centrifugal shaft (14), centrifugal chamber (15), centrifugation body (16), centrifugation spring (17), arc plate (18), elastic cord
(19), trachea (20), adjust the lower wall surface that chamber (9) is arranged in rear end air inlet pipe (2), and movable plate (10) is arranged in regulation chamber (9)
Interior and in sealing contact with the internal face adjusting chamber (9), the cross section of movable plate (10) is rectangle structure, the one of stretch (13)
End is consolidated with movable plate (10) through after the upper wall surface of front end airflow pipe (1), the other end of stretch (13) and stretching
One end of axle (12) is consolidated, the other end of tensile axis (12) upper end arc plate (18) consolidation internal with control volume (11)
Together, one end of centrifugal shaft (14) is embedded on the rear wall of control volume (11) through after the antetheca center of control volume (11), from
The chambers of the heart (15), centrifugation body (16), centrifugation spring (17), arc plate (18), elastic cord (19) are arranged in control volume (11), from
The chambers of the heart (15) is consolidated with centrifugal shaft (14), and one end of centrifugation body (16) is arranged in centrifugal chamber (15) and by being centrifuged bullet
Spring (17) is connected with centrifugal shaft (14), and the other end of centrifugation body (16) is arc structure, is centrifuged the other end and the circle of body (16)
Arc plate (18) is in sealing contact, and elastic cord (19) is arranged in the outer surface of arc plate (18), and the other end of centrifugal shaft (14) passes through chain
Bar is connected with the bent axle of electromotor (4), the two ends of trachea (20) respectively with catalyst converter (7) before exhaustor (6), adjust chamber
(9) lower end cavity is connected.
2. intake pressure wave adjusting means according to claim 1 is it is characterised in that the horizontal stroke of control volume (11) internal cavity
Section is circle, and centrifugal chamber (15), arc plate (18) are array arrangement, the number of arc plate (18) in control volume (11)
More than or equal to the number of centrifugal chamber (15), the gap width between arc plate (18) is less than the cross section width of centrifugation body (16)
Degree, carries elastic wire structure inside elastic cord (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610757305.6A CN106337722A (en) | 2016-08-29 | 2016-08-29 | Air inlet pressure wave adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610757305.6A CN106337722A (en) | 2016-08-29 | 2016-08-29 | Air inlet pressure wave adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106337722A true CN106337722A (en) | 2017-01-18 |
Family
ID=57822693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610757305.6A Pending CN106337722A (en) | 2016-08-29 | 2016-08-29 | Air inlet pressure wave adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106337722A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105508030A (en) * | 2015-12-31 | 2016-04-20 | 上海交通大学 | Mechanical pipe reduced mouth adjusting device |
-
2016
- 2016-08-29 CN CN201610757305.6A patent/CN106337722A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105508030A (en) * | 2015-12-31 | 2016-04-20 | 上海交通大学 | Mechanical pipe reduced mouth adjusting device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170118 |
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| RJ01 | Rejection of invention patent application after publication |