CN105351085A - High-temperature exhaust volume-variable device - Google Patents
High-temperature exhaust volume-variable device Download PDFInfo
- Publication number
- CN105351085A CN105351085A CN201510964637.7A CN201510964637A CN105351085A CN 105351085 A CN105351085 A CN 105351085A CN 201510964637 A CN201510964637 A CN 201510964637A CN 105351085 A CN105351085 A CN 105351085A
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- Prior art keywords
- centrifugal
- chamber
- arc plate
- circular arc
- exhaust
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/12—Control of the pumps
- F02B37/22—Control of the pumps by varying cross-section of exhaust passages or air passages, e.g. by throttling turbine inlets or outlets or by varying effective number of guide conduits
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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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to a high-temperature exhaust volume-variable device, which belongs to the technical field of mechanical design. The high-temperature exhaust volume-variable device comprises a regulating cavity, a rotary plate, a control body, a centrifugal shaft, a centrifugal cavity, a centrifugal body, a centrifugal spring, an arc plate and an elastic band, wherein the centrifugal cavity, the centrifugal body, the centrifugal spring, the arc plate and the elastic band are arranged in the control body, one end of the centrifugal body is arranged in the centrifugal cavity and is connected with the centrifugal shaft by virtue of the centrifugal spring, the other end of the centrifugal body is of an arc structure and makes sealing contact with the arc plate, and the elastic band is arranged on the outer surface of the arc plate. When the engine speed is relatively high, the rotary plate rotates counterclockwise, and the volume of an exhaust main pipe is increased; when the engine speed is relatively low, the rotary plate rotates clockwise, and the volume of the exhaust main pipe is reduced. The high-temperature exhaust volume-variable device has the advantages of reasonable design and simple structure and is suitable for optimal design of a variable inlet pipe system.
Description
Technical field
What the present invention relates to is a kind of high-temperature exhaust air variable capacity device, particularly a kind of high-temperature exhaust air variable capacity device being applicable to Engine exhaust pipeline total measurement (volume) variable system of technical field of mechanical design.
Background technique
Two kinds of basic patterns of turbo charge system are constant pressure charging system and impulse pressure charging system.Constant pressure charging system, each cylinder shares the larger outlet pipe of a volume, and exhaust piping is relatively simple for structure, and outlet pipe internal pressure keeps constant substantially, pressure size is only relevant with rotating speed with the load of motor, and the pressurization system of different cylinder number diesel engine can be designed for uniformity.Constant pressure charging system is when high-speed working condition, and pumping loss is less, and turbine efficiency is higher, and performance is more excellent; But when speed operation, can not exhaust pulse energy be made full use of.Impulse pressure charging system, according to each cylinder firing order, exhaust is not occurred in interference two cylinders or three cylinders are connected with same outlet pipe, and exhaust piping caliber is less, and exhaust pulse energy can make full use of, speed operation and instantaneous conditions better performances; But when high-speed working condition, pumping loss is larger.As can be seen here, if a waste pipe volume can change along with the conversion of operating mode, make exhaust pipe volume become large during high-speed working condition, make exhaust pipe volume diminish during speed operation, this is ideal.Under the prerequisite that exhaust pipe volume is constant, by changing the area of turbine inlet, also can realize taking into account of motor high and low rotating speed operating mode.When speed operation, turbine inlet area is diminished, before turbine, available energy is more; Make turbine inlet area become large when high-speed working condition, motor pumping loss is less, and this is also ideal.
Through finding the retrieval of prior art document, China Patent No. ZL201020532937.0, patent name: the turbo charging installation of air exhaust pipe outlet area variable, this patented technology provides a kind of device of turbine inlet area continuous variable, can take into account the high and low rotating speed operating mode of motor preferably; But the change of its turbine inlet area is realized by the rotation of rotating handles, this increases a set of special control mechanism to control the rotation of rotating handles with regard to needing, thus the more complicated that boosting system arrangement is become.
Summary of the invention
The present invention is directed to above-mentioned the deficiencies in the prior art, provide a kind of high-temperature exhaust air variable capacity device, Engine exhaust pipeline total measurement (volume) can be made to carry out self-control according to engine speed.
The present invention is achieved through the following technical solutions, the present invention includes compressor air inlet machine pipe, gas compressor, engine air inlet tube, motor, exhaust branch pipe, exhaust manifold, turbine, turbine exhaust pipe, regulate chamber, swivel plate, control volume, tensile axis, stretching bar, centrifugal shaft, centrifugal chamber, centrifugal body, centrifugal spring, circular arc plate, elastic ribbon, swingle, running shaft, the air inlet/outlet of gas compressor respectively with compressor air inlet machine pipe, engine air inlet tube is connected, the intake duct of motor is connected with engine air inlet tube, the air outlet flue of motor is connected with the suction port of exhaust branch pipe respectively, the air outlet of exhaust branch pipe is all connected with exhaust manifold, the suction port of turbine is connected with the air outlet of exhaust manifold, the air outlet of turbine is connected with turbine exhaust pipe, chamber is regulated to be arranged on the rear end upper wall surface of exhaust manifold, the internal cavity longitudinal section regulating chamber is arc-shaped, running shaft is embedded on the wall in adjustment chamber, swivel plate is arranged in and regulates in chamber and be consolidated with running shaft, the wall of swivel plate seals with adjustment cavity wall face and contacts, the external part of running shaft and one end of swingle are consolidated, one end of the swingle the other end and stretching bar is hinged, the other end of stretching bar and one end of tensile axis are consolidated, the other end of tensile axis and the upper end circular arc plate of control volume inside are consolidated, one end of centrifugal shaft is through being embedded on the rear wall of control volume behind the antetheca center of control volume, centrifugal chamber, centrifugal body, centrifugal spring, circular arc plate, elastic ribbon is arranged in control volume, centrifugal chamber and centrifugal shaft are consolidated, one end of centrifugal body to be arranged in centrifugal chamber and to be connected with centrifugal shaft by centrifugal spring, the other end of centrifugal body is arc structure, the other end of centrifugal body seals with circular arc plate and contacts, elastic ribbon is arranged in the outer surface of circular arc plate, and the other end of centrifugal shaft is connected with the bent axle of motor by chain.
Further, the cross section of control volume internal cavity is circular in the present invention, centrifugal chamber, circular arc plate are array-type and arrange in control volume, the number of circular arc plate is more than or equal to the number of centrifugal chamber, gap width between circular arc plate is less than the cross-sectional width of centrifugal body, the flexible structure of steel wire of elastic ribbon inner band.
Compared with prior art, the present invention has following beneficial effect and is: the present invention is reasonable in design, and structure is simple; Gas exhaust piping total measurement (volume) can carry out continuously adjustabe according to engine speed, thus takes into account the various operating conditionss of motor.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the sectional arrangement drawing of exhaust manifold in the present invention;
Fig. 3 is the structural representation of A-A section in Fig. 2;
Fig. 4 is the sectional drawing 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, compressor air inlet machine pipe, 2, gas compressor, 3, engine air inlet tube, 4, motor, 5, exhaust branch pipe, 6, exhaust manifold, 7, turbine, 8, turbine exhaust pipe, 9, chamber is regulated, 10, swivel plate, 11, control volume, 12, tensile axis, 13, stretching bar, 14, centrifugal shaft, 15, centrifugal chamber, 16, centrifugal body, 17, centrifugal spring, 18, circular arc plate, 19, elastic ribbon, 20, swingle, 21, running shaft.
Embodiment
Elaborate to embodiments of the invention below in conjunction with accompanying drawing, the present embodiment, premised on technical solution of the present invention, give detailed mode of execution and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
embodiment
As shown in Figures 1 to 6, the present invention includes compressor air inlet machine pipe 1, gas compressor 2, engine air inlet tube 3, motor 4, exhaust branch pipe 5, exhaust manifold 6, turbine 7, turbine exhaust pipe 8, regulate chamber 9, swivel plate 10, control volume 11, tensile axis 12, stretching bar 13, centrifugal shaft 14, centrifugal chamber 15, centrifugal body 16, centrifugal spring 17, circular arc plate 18, elastic ribbon 19, swingle 20, running shaft 21, the air inlet/outlet of gas compressor 2 respectively with compressor air inlet machine pipe 1, engine air inlet tube 3 is connected, the intake duct of motor 4 is connected with engine air inlet tube 3, the air outlet flue of motor 4 is connected with the suction port of exhaust branch pipe 5 respectively, the air outlet of exhaust branch pipe 5 is all connected with exhaust manifold 6, the suction port of turbine 7 is connected with the air outlet of exhaust manifold 6, the air outlet of turbine 7 is connected with turbine exhaust pipe 8, chamber 9 is regulated to be arranged on the rear end upper wall surface of exhaust manifold 6, the internal cavity longitudinal section regulating chamber 9 is arc-shaped, running shaft 21 is embedded on the wall in adjustment chamber 9, swivel plate 10 is arranged in and regulates in chamber 9 and be consolidated with running shaft 21, the wall of swivel plate 10 seals with adjustment chamber 9 internal face and contacts, the external part of running shaft 21 and one end of swingle 20 are consolidated, one end of swingle 20 the other end and stretching bar 13 is hinged, the other end of stretching bar 13 and one end of tensile axis 12 are consolidated, the other end of tensile axis 12 and the upper end circular arc plate 18 of control volume 11 inside are consolidated, one end of centrifugal shaft 14 is through being embedded on the rear wall of control volume 11 behind the antetheca center of control volume 11, centrifugal chamber 15, centrifugal body 16, centrifugal spring 17, circular arc plate 18, elastic ribbon 19 is arranged in control volume 11, centrifugal chamber 15 and centrifugal shaft 14 are consolidated, one end of centrifugal body 16 to be arranged in centrifugal chamber 15 and to be connected with centrifugal shaft 14 by centrifugal spring 17, the other end of centrifugal body 16 is arc structure, the other end of centrifugal body 16 seals with circular arc plate 18 and contacts, elastic ribbon 19 is arranged in the outer surface of circular arc plate 18, and the other end of centrifugal shaft 14 is connected by the bent axle of chain with motor 4, the cross section of control volume 11 internal cavity is circular, centrifugal chamber 15, circular arc plate 18 are array-type and arrange in control volume 11, the number of circular arc plate 18 is more than or equal to the number of centrifugal chamber 15, gap width between circular arc plate 18 is less than the cross-sectional width of centrifugal body 16, the flexible structure of steel wire of elastic ribbon 19 inner band.
In working procedure of the present invention, when the engine rotational speed is increased, the rotating speed of centrifugal shaft 14 also increases, centrifugal body 16 centrifugal force in rotary course be arranged in centrifugal chamber 15 increases, centrifugal body 16 synchronously outwards moves and the centrifugal spring 17 that stretches, the upper end circular arc plate 18 be arranged in control volume 11 moves up after being subject to the effect of the centrifugal force of centrifugal body 16, move on tensile axis 12 is also synchronous, tensile axis 12 drives on stretching bar 13 and moves, thus make swingle 20, running shaft 21, swivel plate 10 is rotated counterclockwise together, gas exhaust piping total measurement (volume) becomes large, motor pumping loss is less, when engine speed is lower, the rotating speed of centrifugal shaft 14 is also lower, under the effect of centrifugal spring 17, elastic ribbon 19, centrifugal body 16 synchronously moves inward, the upper end circular arc plate 18 be arranged in control volume 11 moves down, tensile axis 12 also synchronously moves down, and tensile axis 12 drives stretching bar 13 to move down, thus swingle 20, running shaft 21, swivel plate 10 are turned clockwise together, gas exhaust piping total measurement (volume) diminishes, and turbosupercharger can make full use of exhaust pulse energy.
Claims (2)
1. a high-temperature exhaust air variable capacity device, comprise compressor air inlet machine pipe (1), gas compressor (2), engine air inlet tube (3), motor (4), exhaust branch pipe (5), exhaust manifold (6), turbine (7), turbine exhaust pipe (8), the air inlet/outlet of gas compressor (2) respectively with compressor air inlet machine pipe (1), engine air inlet tube (3) is connected, the intake duct of motor (4) is connected with engine air inlet tube (3), the air outlet flue of motor (4) is connected with the suction port of exhaust branch pipe (5) respectively, the air outlet of exhaust branch pipe (5) is all connected with exhaust manifold (6), the suction port of turbine (7) is connected with the air outlet of exhaust manifold (6), the air outlet of turbine (7) is connected with turbine exhaust pipe (8), it is characterized in that, also comprise and regulate chamber (9), swivel plate (10), control volume (11), tensile axis (12), stretching bar (13), centrifugal shaft (14), centrifugal chamber (15), centrifugal body (16), centrifugal spring (17), circular arc plate (18), elastic ribbon (19), swingle (20), running shaft (21), chamber (9) is regulated to be arranged on the rear end upper wall surface of exhaust manifold (6), the internal cavity longitudinal section regulating chamber (9) is arc-shaped, running shaft (21) is embedded on the wall of adjustment chamber (9), swivel plate (10) is arranged in and regulates in chamber (9) and be consolidated with running shaft (21), the wall of swivel plate (10) seals with adjustment chamber (9) internal face and contacts, the external part of running shaft (21) and one end of swingle (20) are consolidated, one end of swingle (20) the other end and stretching bar (13) is hinged, the other end of stretching bar (13) and one end of tensile axis (12) are consolidated, the upper end circular arc plate (18) of the other end of tensile axis (12) and control volume (11) inside is consolidated, one end of centrifugal shaft (14) is through being embedded on the rear wall of control volume (11) behind the antetheca center of control volume (11), centrifugal chamber (15), centrifugal body (16), centrifugal spring (17), circular arc plate (18), elastic ribbon (19) is arranged in control volume (11), centrifugal chamber (15) and centrifugal shaft (14) are consolidated, one end of centrifugal body (16) is arranged in centrifugal chamber (15) and is also connected with centrifugal shaft (14) by centrifugal spring (17), the other end of centrifugal body (16) is arc structure, the other end of centrifugal body (16) seals with circular arc plate (18) and contacts, elastic ribbon (19) is arranged in the outer surface of circular arc plate (18), the other end of centrifugal shaft (14) is connected by the bent axle of chain with motor (4).
2. high-temperature exhaust air variable capacity device according to claim 1, it is characterized in that the cross section of control volume (11) internal cavity is for circular, centrifugal chamber (15), circular arc plate (18) are array-type and arrange in control volume (11), the number of circular arc plate (18) is more than or equal to the number of centrifugal chamber (15), gap width between circular arc plate (18) is less than the cross-sectional width of centrifugal body (16), the flexible structure of steel wire of elastic ribbon (19) inner band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510964637.7A CN105351085A (en) | 2015-12-19 | 2015-12-19 | High-temperature exhaust volume-variable device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510964637.7A CN105351085A (en) | 2015-12-19 | 2015-12-19 | High-temperature exhaust volume-variable device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105351085A true CN105351085A (en) | 2016-02-24 |
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ID=55327128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510964637.7A Pending CN105351085A (en) | 2015-12-19 | 2015-12-19 | High-temperature exhaust volume-variable device |
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| CN (1) | CN105351085A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781719A (en) * | 2016-03-30 | 2016-07-20 | 上海交通大学 | Stable control system for gas guiding-in type system |
| CN106948929A (en) * | 2017-03-30 | 2017-07-14 | 上海交通大学 | Rotary exhaust main capacity control |
-
2015
- 2015-12-19 CN CN201510964637.7A patent/CN105351085A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781719A (en) * | 2016-03-30 | 2016-07-20 | 上海交通大学 | Stable control system for gas guiding-in type system |
| CN106948929A (en) * | 2017-03-30 | 2017-07-14 | 上海交通大学 | Rotary exhaust main capacity control |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160224 |
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| WD01 | Invention patent application deemed withdrawn after publication |