CN207960766U - A kind of resonant pulse energy sustained release turbo charge system of spring oscillator - Google Patents
A kind of resonant pulse energy sustained release turbo charge system of spring oscillator Download PDFInfo
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- CN207960766U CN207960766U CN201721339318.8U CN201721339318U CN207960766U CN 207960766 U CN207960766 U CN 207960766U CN 201721339318 U CN201721339318 U CN 201721339318U CN 207960766 U CN207960766 U CN 207960766U
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- spring
- connection
- support base
- impulse piston
- cylinder
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- 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 utility model discloses a kind of resonant pulse energy sustained release turbo charge systems of spring oscillator, wherein including cylinder, exhaust manifold, exhaust main, turbine, turbine rear exhaust pipe, pulse cylinder and impulse piston；Exhaust main is connected to by exhaust manifold with corresponding cylinder, and the air inlet of turbine is connected to exhaust main, and the gas outlet of turbine is connected to turbine rear exhaust pipe；One end of pulse cylinder is connected to the first end of exhaust main, and impulse piston is slidably mounted in pulse cylinder, and pulse cylinder is separated into the first cavity and the second cavity by impulse piston, and the first cavity is connected to exhaust main；Flexible adjustment mechanism is equipped in second cavity, the first end of flexible adjustment mechanism is connect with impulse piston, and the second end of flexible adjustment mechanism is connect with the inner wall of pulse cylinder.The utility model is compact-sized, occupies little space, can producing in serial form, it is convenient for disassembly and assembly, be suitable for various variable boost systems.
Description
Technical field
The utility model is related to pressurization system of internal combustion engine, especially a kind of resonant pulse energy sustained release of spring oscillator
Turbo charge system belongs to technical field of internal combustion engines.
Background technology
In order to alleviate booster and the matched height operating mode contradiction of diesel engine, researcher has developed sequential pressurizing, two level
The variable turbines pressure charging system such as adjustable supercharging or variable geometry turbocharger, in the diesel engine slow-speed of revolution, equivalent nozzle anchor ring product
It is smaller, improve turbine output, when the high rotating speed of diesel engine, equivalent nozzle anchor ring product is big, prevents supercharging, reduces diesel engine scavenging
Work(.However, in diesel engine low speed, turbine nozzle ring equivalent aera is small, to the very strong reflex of pressure at expulsion pulse shaping,
Keep pressure at expulsion pulse excessively high, increases piston and exhaust gas is released to the energy consumed required for cylinder, also increase pulse energy
Loss makes diesel engine fuel oil consumption increase.
Patent of invention 200810203054.2, patent of invention 200810203055.7 and patent of invention 200920210502.1
The variable exhaust pipe system schema of proposition, makes turbo charge system in pulse pressure-charging and constant pressure supercharging by control valve（Or it is accurate
Constant pressure supercharging）Between switch, the requirement of height operating mode can be taken into account, principle is increased with small volume exhaust pipe in speed operation
Flash acts on, and big volume exhaust pipe is applied when high rotating speed, reduces flow resistance, and this system and control strategy are suitable for fixing
The turbocharger in section or turbocharger with by-passing valve, and in sequential pressurizing, two level adjustable supercharging or variable cross section
In turbo charge system, this system can significantly improve the pressure at expulsion wave amplitude when slow-speed of revolution, increase engine energy consumption, do not have
Give full play of the energy-saving potential of diesel engine.
Invention content
The purpose of this utility model is to provide a kind of resonant pulse energy sustained release turbo charge system of spring oscillator,
Under the excitation of diesel exhaust gas pressure pulse, makes spring, adjusts quality and the plasmon resonance of damper piston composition, to make arteries and veins
Diesel exhaust gas resistance, and energy can either be reduced by the amplitude reduction of diesel engine pressure oscillation by rushing piston generation pulsating nature displacement
The stability for improving turbine inlet pressure makes turbine have higher working efficiency.
The utility model provides a kind of resonant pulse energy sustained release turbo charge system of spring oscillator, wherein
Including cylinder, exhaust manifold, exhaust main, turbine, turbine rear exhaust pipe, pulse cylinder and impulse piston；
The exhaust main is connected to by the exhaust manifold with corresponding cylinder, the air inlet of the turbine with
The exhaust main connection, the gas outlet of the turbine is connected to the turbine rear exhaust pipe；
One end of the pulse cylinder is connected to the exhaust main, and the impulse piston is slidably mounted in the arteries and veins
In qi of chong channel ascending adversely cylinder, and the pulse cylinder is separated into the first cavity and the second cavity by the impulse piston, first cavity with
The exhaust main connection；
Flexible adjustment mechanism, first end and the impulse piston of the flexible adjustment mechanism are equipped in second cavity
Connection, the second end of the flexible adjustment mechanism are connect with the inner wall of the pulse cylinder.
The resonant pulse energy sustained release turbo charge system of spring oscillator as described above, wherein preferably, also
Including control valve, the control valve is mounted on the pulse cylinder and the exhaust main connectivity part.
The resonant pulse energy sustained release turbo charge system of spring oscillator as described above, wherein preferably, also
Including gas leakage conduit, one end of the gas leakage conduit is connected to the turbine rear exhaust pipe, and the other end connects with second cavity
It is logical.
The resonant pulse energy sustained release turbo charge system of spring oscillator as described above, wherein preferably, institute
It includes impulse piston spring, frequency adjusting block, controlled spring, frequency adjustment spring, the first support base, to state flexible adjustment mechanism
Two support bases, control pin, control-rod and sliding guide；
First support base and second support base are fixed on the side wall of second cavity, and described
One support base is located at the side of second support base far from the impulse piston；
The sliding guide is slidably disposed through second support base, and one end is connect with the impulse piston；Institute
Frequency adjusting block is stated to be slidably mounted on the sliding guide, and the frequency adjusting block be located at second support base with
Between the impulse piston；
The control-rod is slidably disposed through first support base and second support base；
The first end of the impulse piston spring is fixedly connected with the impulse piston, and the second of the impulse piston spring
End is connect with the frequency adjusting block；The first end of the frequency adjustment spring is connect with the frequency adjusting block, the frequency
The second end of adjustment spring is connect with second support base；The first end of the controlled spring is connect with the control-rod, institute
The second end for stating controlled spring is connect with the frequency adjusting block；
The control pin is arranged on first support base, and the control-rod is equipped with the pin coordinated with the control pin
Hole or groove.
The resonant pulse energy sustained release turbo charge system of spring oscillator as described above, wherein preferably, institute
It states control pin and is equipped with electromagnet, the control pin is connect by control pin spring with the inner wall of the pulse cylinder, the electricity
Magnet is used to generate magnetic field force and compression control pin spring when being powered.
Compared with prior art, it is connected to exhaust main due to pulse cylinder, impulse piston is formed with flexible adjustment mechanism
Forced Vibration System, under low engine speed steady working condition, impulse piston generates resonance under exhaust pulses effect, keeps exhaust total
Pipe rate of volumetric change is consistent with exhaust pulses, reduces maximum impulse amplitude, reduces pumping work loss.It can effectively inhibit exhaust total
Pressure oscillation in pipe, makes pressure fluctuations amplitude be maintained in reasonable level.The utility model is compact-sized, occupies little space,
Can producing in serial form, it is convenient for disassembly and assembly, be suitable for various variable boost systems.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the enlarged drawing at A in Fig. 1.
Reference sign：
1- cylinders, 2- exhaust manifolds, 3- exhaust mains, 4- turbines, 5- turbine rear exhaust pipes, 6- pulse cylinders,
7- impulse pistons, the first cavitys of 8-, the second cavitys of 9-, 10- control valves, 11- gas leakage conduits, 12- impulse piston springs, 13- frequencies
Rate adjusting block, the controlled springs of 14-, 15- frequency adjustment springs, the first support bases of 16-, the second support bases of 17-, 18- control pins,
19- control-rods, 20- sliding guides, 21- electromagnet, 22- control pin springs.
Specific implementation mode
The embodiments described below with reference to the accompanying drawings are exemplary, is only used for explaining the utility model, and cannot solve
It is interpreted as limitations of the present invention.
Fig. 1 is please referred to, Fig. 1 is the structural schematic diagram of the utility model；Specific embodiment of the present invention proposes one
Kind of the resonant pulse energy sustained release turbo charge system of spring oscillator, wherein including cylinder 1, exhaust manifold 2,
Exhaust main 3, turbine 4, turbine rear exhaust pipe 5, pulse cylinder 6 and impulse piston 7；
The exhaust main 3 is connected to by the exhaust manifold 2 with corresponding cylinder 1, the air inlet of the turbine 4
Mouth is connected to the exhaust main 3, and the gas outlet of the turbine 4 is connected to the turbine rear exhaust pipe 5；
One end of the pulse cylinder 6 is connected to the exhaust main 3, and the impulse piston 7 is slidably mounted in institute
It states in pulse cylinder 6, and the pulse cylinder 6 is separated into the first cavity 8 and the second cavity 9 by the impulse piston 7, described
One cavity 8 is connected to the exhaust main 3；
Flexible adjustment mechanism is equipped in second cavity 9, first end and the pulse of the flexible adjustment mechanism are lived
7 connection of plug, the second end of the flexible adjustment mechanism are connect with the inner wall of the pulse cylinder 6.
When it is implemented, since pulse cylinder 6 is connected to exhaust main 3, impulse piston 7 and flexible adjustment mechanism formed by
Compel vibrational system, under low engine speed steady working condition, impulse piston 7 generates resonance under exhaust pulses effect, keeps exhaust total
3 rate of volumetric change of pipe is consistent with exhaust pulses, reduces maximum impulse amplitude, reduces pumping work loss.It can effectively inhibit to be vented
Pressure oscillation in manifold 3, makes pressure fluctuations amplitude be maintained in reasonable level.
Control valve 10 is still further comprised as a preferred method, and the control valve 10 is mounted on the pulse cylinder 6
With 3 connectivity part of the exhaust main.Specifically, when engine is in low-speed stable operating mode, control valve 10 is opened, the first chamber is made
Body 8 is connected to exhaust main 3, and when the pressure in exhaust main 3 changes, impulse piston 7 generates forced vibration, makes exhaust
3 rate of volumetric changes of manifold are consistent with exhaust pulses.It so, it is possible to be accurately controlled for the operating mode of engine.
Gas leakage conduit 11, one end and the whirlpool of the gas leakage conduit 11 are still further comprised as a preferred method,
It takes turns heel row tracheae 5 to be connected to, the other end is connected to second cavity 9.In this way, the gas being flowed into the second cavity 9 can lead to
It crosses gas leakage conduit 11 and is discharged to turbine rear exhaust pipe 5.
As a preferred method, the flexible adjustment mechanism include impulse piston spring 12, it is frequency adjusting block 13, controlled
Spring 14, frequency adjustment spring 15, the first support base 16, the second support base 17, control pin 18, control-rod 19 and sliding guide
20；
First support base 16 and second support base 17 are fixed on the side wall of second cavity 9,
First support base 16 is located at second support base, 17 side far from the impulse piston 7；
The sliding guide 20 is slidably disposed through second support base 17, and one end connects with the impulse piston 7
It connects；The frequency adjusting block 13 is slidably mounted in the connection of the sliding guide 20, and the frequency adjusting block 13 is located at institute
It states between the second support base 17 and the impulse piston 7；
The control-rod 19 is slidably disposed through first support base 16 and second support base 17；The sliding is led
Bar 20 is parallel with the control-rod 19.
The first end of the impulse piston spring 12 is fixedly connected with the impulse piston 7, the impulse piston spring 12
Second end connect with the frequency adjusting block 13；The first end of the frequency adjustment spring 15 connects with the frequency adjusting block 13
It connects, the second end of the frequency adjustment spring 15 is connect with second support base 17；The first end of the controlled spring 14 with
The control-rod 19 connects, and the second end of the controlled spring 14 is connect with the frequency adjusting block 13；
The control pin 18 is arranged on first support base 16, and the control-rod 19 is equipped with and the control pin 18
The pin hole or groove of cooperation.
Further, Fig. 2 is please referred to, Fig. 2 is the enlarged drawing at A in Fig. 1.The control pin 18 is equipped with electromagnet 21,
The control pin 18 is connect by control pin spring 22 with the inner wall of the pulse cylinder 6, and the electromagnet 21 is for being powered
When generate magnetic field force and compression control pin spring 22.In this way, when engine is under low-speed stable operating mode, control valve 10 is opened,
It controls electromagnet 21 to be powered, control pin 18 is detached from control-rod 19, impulse piston 7, frequency adjusting block 13, frequency adjustment spring
15, the Forced Vibration System intrinsic frequency that impulse piston spring 12 and controlled spring 14 form is minimum, and impulse piston 7 is in exhaust arteries and veins
Punching effect is lower to generate resonance, keeps 3 rate of volumetric change of exhaust main consistent with exhaust pulses, reduces maximum impulse amplitude, reduces pump
The qigong is lost.
In 3/4+1/4 maximum speed of minimum speed of engine, in Forced Vibration System the high frequency modal frequency of oscillator with
Exhaust pulses excitation resonance, impulse piston 7 generates larger forced vibration amplitude, to inhibit the pressure wave in exhaust main 3
Dynamic amplitude.
In 3/4+2/4 maximum speed of minimum speed of engine, control electromagnet 21 powers off, control pin 18 and control-rod 19
Contact, makes 19 stop motion of control-rod, and 13 left end of frequency adjusting block is by frequency adjustment spring 15 and controlled spring 14 at this time
Collective effect, system stiffness increase, and intrinsic frequency increases, and impulse piston 7 generates resonance with exhaust pulses excitation, effectively inhibits row
Pressure fluctuations amplitude in gas manifold 3.
When engine speed further rises to 3/4+3/4 maximum speed of minimum speed, control valve 10 is closed, due to can
The 4 effective flow area of turbine for becoming turbocharger increases, and has larger weakening ability to pressure wave, is not in pressure wave amplitude
High situation is spent, exhaust manifold 2, exhaust main 3 and turbine 4 form normal pulsed pressure charging system air outlet duct system at this time, make
Pressure wave amplitude in exhaust pipe is maintained at rational level.
When it is implemented, 4-8 times of 3 diameter of a diameter of exhaust main of impulse piston 7, preferably 6 times.Gas leakage conduit 11
0.5-1 times of a diameter of exhaust main 3, in this way, convenient for can be in exhaust main 3 by the reciprocating motion of impulse piston 7
Pressure is adjusted, and is conducive to adjust pressure fluctuations amplitude.Meanwhile being conducive to keep structure compacter, reduce occupied space.
The structure, feature and effect of the utility model are described in detail based on the embodiments shown in the drawings, with
Upper described is only the preferred embodiment of the utility model, but the utility model is to limit practical range shown in drawing, it is every according to
Change made by conception according to the utility model, or be revised as the equivalent embodiment of equivalent variations, still without departing from specification and figure
When showing covered spirit, it should be within the protection scope of the present utility model.
Claims (5)
1. a kind of resonant pulse energy sustained release turbo charge system of spring oscillator, which is characterized in that including engine air
Cylinder（1）, exhaust manifold（2）, exhaust main（3）, turbine（4）, turbine rear exhaust pipe（5）, pulse cylinder（6）And impulse piston
（7）；
The exhaust main（3）Pass through the exhaust manifold（2）With corresponding cylinder（1）Connection, the turbine（4）'s
Air inlet and the exhaust main（3）Connection, the turbine（4）Gas outlet and the turbine rear exhaust pipe（5）Connection；
The pulse cylinder（6）One end and the exhaust main（3）Connection, the impulse piston（7）It is slidably mounted in
The pulse cylinder（6）It is interior, and the impulse piston（7）By the pulse cylinder（6）It is separated into the first cavity（8）With the second chamber
Body（9）, first cavity（8）With the exhaust main（3）Connection；
Second cavity（9）It is interior to be equipped with flexible adjustment mechanism, first end and the impulse piston of the flexible adjustment mechanism
（7）Connection, the second end of the flexible adjustment mechanism and the pulse cylinder（6）Inner wall connection.
2. the resonant pulse energy sustained release turbo charge system of spring oscillator according to claim 1, feature exist
In further including control valve（10）, the control valve（10）Mounted on the pulse cylinder（6）With the exhaust main（3）Connection
Place.
3. the resonant pulse energy sustained release turbo charge system of spring oscillator according to claim 1, feature exist
In further including gas leakage conduit（11）, the gas leakage conduit（11）One end and the turbine rear exhaust pipe（5）Connection, the other end
With second cavity（9）Connection.
4. the resonant pulse energy sustained release turbo charge system of spring oscillator according to claim 1, feature exist
In the flexible adjustment mechanism includes impulse piston spring（12）, frequency adjusting block（13）, controlled spring（14）, frequency adjust
Spring（15）, the first support base（16）, the second support base（17）, control pin（18）, control-rod（19）And sliding guide（20）；
First support base（16）With second support base（17）It is fixed at second cavity（9）Side wall
On, first support base（16）Positioned at second support base（17）Far from the impulse piston（7）Side；
The sliding guide（20）Be slidably disposed through second support base（17）, one end and the impulse piston（7）
Connection；The frequency adjusting block（13）It is slidably mounted in the sliding guide（20）On, and the frequency adjusting block（13）
Positioned at second support base（17）With the impulse piston（7）Between；
The control-rod（19）It is slidably disposed through first support base（16）With second support base（17）；
The impulse piston spring（12）First end and the impulse piston（7）It is fixedly connected, the impulse piston spring
（12）Second end and the frequency adjusting block（13）Connection；The frequency adjustment spring（15）First end and the frequency tune
Locking nub（13）Connection, the frequency adjustment spring（15）Second end and second support base（17）Connection；The controlled bullet
Spring（14）First end and the control-rod（19）Connection, the controlled spring（14）Second end and the frequency adjusting block
（13）Connection；
The control pin（18）It is arranged in first support base（16）On, the control-rod（19）It is equipped with and the control pin
（18）The pin hole or groove of cooperation.
5. the resonant pulse energy sustained release turbo charge system of spring oscillator according to claim 4, feature exist
In the control pin（18）It is equipped with electromagnet（21）, the control pin（18）Pass through control pin spring（22）With the pulse
Cylinder（6）Inner wall connection, the electromagnet（21）For generating magnetic field force and compression control pin spring when being powered（22）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721339318.8U CN207960766U (en) | 2017-10-18 | 2017-10-18 | A kind of resonant pulse energy sustained release turbo charge system of spring oscillator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721339318.8U CN207960766U (en) | 2017-10-18 | 2017-10-18 | A kind of resonant pulse energy sustained release turbo charge system of spring oscillator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207960766U true CN207960766U (en) | 2018-10-12 |
Family
ID=63723633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721339318.8U Expired - Fee Related CN207960766U (en) | 2017-10-18 | 2017-10-18 | A kind of resonant pulse energy sustained release turbo charge system of spring oscillator |
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|---|---|
| CN (1) | CN207960766U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107725175A (en) * | 2017-10-18 | 2018-02-23 | 山东交通学院 | A kind of resonant pulse energy sustained release turbo charge system of spring oscillator |
-
2017
- 2017-10-18 CN CN201721339318.8U patent/CN207960766U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107725175A (en) * | 2017-10-18 | 2018-02-23 | 山东交通学院 | A kind of resonant pulse energy sustained release turbo charge system of spring oscillator |
| CN107725175B (en) * | 2017-10-18 | 2024-03-26 | 山东交通学院 | Spring vibrator resonance type pulse energy delayed release turbocharging system |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181012 Termination date: 20211018 |
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| CF01 | Termination of patent right due to non-payment of annual fee |