CN104847478A - Air inlet leading out pipeline system - Google Patents

Air inlet leading out pipeline system Download PDF

Info

Publication number
CN104847478A
CN104847478A CN201510144620.7A CN201510144620A CN104847478A CN 104847478 A CN104847478 A CN 104847478A CN 201510144620 A CN201510144620 A CN 201510144620A CN 104847478 A CN104847478 A CN 104847478A
Authority
CN
China
Prior art keywords
moving body
control volume
spring
turbine
diesel engine
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
Application number
CN201510144620.7A
Other languages
Chinese (zh)
Inventor
苗瑞
王宁
米雷雨
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Jiaotong University
Original Assignee
Shanghai Jiaotong University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shanghai Jiaotong University filed Critical Shanghai Jiaotong University
Priority to CN201510144620.7A priority Critical patent/CN104847478A/en
Publication of CN104847478A publication Critical patent/CN104847478A/en
Pending legal-status Critical Current

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies

Landscapes

  • Supercharger (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

A gas inlet leading out pipeline system belongs to the technical field of internal combustion machines and comprises a rotating shaft, a rotating plate, a telescopic rod, a control body, springs, moving bodies and connection rods. The rotating shaft is embedded on a gas discharging pipe in front of a turbine, one end of the rotating plate is fixedly connected with the rotating shaft, the longitudinal sections of the first moving body, the second moving body and the third moving body are all provided with slope structures matched with each other, one end of the corresponding connection pipe penetrates through the upper wall face of the control body to be communicated with a cavity between the first moving body and the second moving body, the other end of the corresponding connection pipe is communicated with a gas inlet pipe between a gas compressor and a diesel engine. In the gas inlet leading out pipeline system, when the load of an engine is large load, the area of a throat opening of the gas discharging pipe in front of the turbine is large; when the load of the engine is small, the area of the throat opening of the gas discharging pipe in front of the turbine is small. The gas inlet leading out pipeline system is reasonable in design, simple in structure and suitable for design of a turbocharging system of the diesel engine.

Description

Pipe-line system is drawn in air inlet
Technical field
The invention belongs to internal combustion (IC) Engine Design technical field, specifically, is that one can realize turbine front exhaust pipe throat area self-regulating air inlet extraction pipe-line system.
Background technique
Along with the development of society and the raising of environmental requirement, the application of engine booster technology is more and more extensive, in powerful motor mostly adopt turbocharging technology, to improve power and to reduce fuel consumption rate.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 discharge area of outlet pipe, also can realize taking into account of motor high and low rotating speed operating mode.Diminish at speed operation exhaust outlet area, before turbine, available energy is more; Become large at high-speed working condition exhaust outlet area, pumping loss is less, and this is also ideal.
Through finding the retrieval of prior art document, China Patent No. ZL201020532937.0, patent name is the turbo charging installation of air exhaust pipe outlet area variable, this patented technology provides a kind of device of exhaust outlet area continuous variable, can take into account the high and low rotating speed operating mode of motor preferably; But the change of its exhaust outlet 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 deficiency, provide a kind of air inlet to draw pipe-line system, the self-regulation of turbine front exhaust pipe throat area can be realized.
The present invention is achieved through the following technical solutions, the present invention includes suction tude, air filter, gas compressor, diesel engine, outlet pipe, turbine, baffler, running shaft, swivel plate, flexible rod, control volume, first spring, second spring, first moving body, second moving body, 3rd moving body, 3rd spring, connecting tube, the suction port of diesel engine is connected with the air outlet of suction tude, and the relief opening of diesel engine is connected with the suction port of outlet pipe, air filter, gas compressor is connected in turn in suction tude, turbine, baffler is connected in turn on outlet pipe, and running shaft is embedded on the outlet pipe before turbine, and one end and the running shaft of swivel plate are consolidated, the first moving body, second moving body, 3rd moving body is arranged in control volume, and the internal cavity cross section of control volume is rectangular, the first moving body, second moving body, the cross section of the 3rd moving body is rectangular, the first moving body, second moving body, the longitudinal section of the 3rd moving body all cooperatively interacts with ramp structure, one end of flexible rod and the other end of swivel plate hinged, the other end of flexible rod is through hinged with the lower wall surface of the 3rd moving body after the lower wall surface of control volume, the lower wall surface of the 3rd moving body is linked together by the lower wall surface of the 3rd spring and control volume, the right wall of the first moving body is linked together by the right wall of the first spring and control volume, the left wall of the second moving body is linked together by the left wall of the second spring and control volume, one end of connecting tube through after the upper wall surface of control volume with the first moving body, cavity between second moving body is connected, the other end of connecting tube and gas compressor, suction tude between diesel engine is connected.
The invention has the beneficial effects as follows: the present invention is reasonable in design, structure is simple, can realize the self-control of turbine front exhaust pipe throat area.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the partial enlarged drawing of Fig. 1;
Fig. 3 is the structural representation of A-A section in Fig. 1;
Fig. 4 is the structural representation of B-B section in Fig. 1;
Fig. 5 is the structural representation of C-C section in Fig. 1;
Label in accompanying drawing is respectively: 1, suction tude, and 2, air filter, 3, gas compressor, 4, diesel engine, 5, outlet pipe, 6, turbine, 7, baffler, 8, running shaft, 9, swivel plate, 10, flexible rod, 11, control volume, the 12, first spring, 13, the second spring, the 14, first moving body, the 15, second moving body, 16, the 3rd moving body, the 17, the 3rd spring, 18, connecting tube.
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
Embodiments of the invention as shown in Figures 1 to 5, the present invention includes suction tude 1, air filter 2, gas compressor 3, diesel engine 4, outlet pipe 5, turbine 6, baffler 7, running shaft 8, swivel plate 9, flexible rod 10, control volume 11, first spring 12, second spring 13, first moving body 14, second moving body 15, 3rd moving body 16, 3rd spring 17, connecting tube 18, the suction port of diesel engine 4 is connected with the air outlet of suction tude 1, and the relief opening of diesel engine 4 is connected with the suction port of outlet pipe 5, air filter 2, gas compressor 3 is connected in turn in suction tude 1, turbine 6, baffler 7 is connected in turn on outlet pipe 5, and running shaft 8 is embedded on the outlet pipe 5 before turbine 6, and one end and the running shaft 8 of swivel plate 9 are consolidated, the first moving body 14, second moving body 15, 3rd moving body 16 is arranged in control volume 11, and the internal cavity cross section of control volume 11 is rectangular, the first moving body 14, second moving body 15, the cross section of the 3rd moving body 16 is rectangular, the first moving body 14, second moving body 15, the longitudinal section of the 3rd moving body 16 all cooperatively interacts with ramp structure, one end of flexible rod 10 and the other end of swivel plate 9 hinged, the other end of flexible rod 10 is through hinged with the lower wall surface of the 3rd moving body 16 after the lower wall surface of control volume 11, the lower wall surface of the 3rd moving body 16 is linked together with the lower wall surface of control volume 11 by the 3rd spring 17, the right wall of the first moving body 14 is linked together with the right wall of control volume 11 by the first spring 12, the left wall of the second moving body 15 is linked together with the left wall of control volume 11 by the second spring 13, one end of connecting tube 18 through after the upper wall surface of control volume 11 with the first moving body 14, cavity between second moving body 15 is connected, the other end of connecting tube 18 and gas compressor 3, suction tude 1 between diesel engine 4 is connected.
In implementation process of the present invention, the first moving body 14, second moving body 15 can move left and right in control volume 11, and the 3rd moving body 16 can move up and down in control volume.When diesel engine 4 load is larger, after gas compressor 3, suction tude 1 internal pressure is larger, first moving body 14 moves right and compresses the first spring 12, second moving body 15 is moved to the left and compresses the second spring 13, under the elastic reaction of the 3rd spring 17, the 3rd moving body 16 moves up, thus making flexible rod 10 pull swivel plate 9 to be rotated counterclockwise, the throat area of turbine 6 front exhaust pipe 5 becomes large, and diesel engine 4 pumping loss is less; When diesel engine 4 load is less, after gas compressor 3, suction tude 1 internal pressure is less, under the elastic reaction of the first spring 12, second spring 13, first moving body 14 is moved to the left, second moving body 15 moves right, and the 3rd moving body 16 moves down and compresses the 3rd spring 17, thus makes flexible rod 10 pull swivel plate 9 to turn clockwise, the throat area of turbine 6 front exhaust pipe 5 diminishes, and diesel engine 4 can make full use of pulse energy.

Claims (2)

1. a pipe-line system is drawn in air inlet, comprises suction tude (1), air filter (2), gas compressor (3), diesel engine (4), outlet pipe (5), turbine (6), baffler (7), the suction port of diesel engine (4) is connected with the air outlet of suction tude (1), and the relief opening of diesel engine (4) is connected with the suction port of outlet pipe (5), air filter (2), gas compressor (3) is connected in turn in suction tude (1), turbine (6), baffler (7) is connected in turn on outlet pipe (5), it is characterized in that, also comprises running shaft (8), swivel plate (9), flexible rod (10), control volume (11), first spring (12), second spring (13), first moving body (14), second moving body (15), 3rd moving body (16), 3rd spring (17), connecting tube (18), running shaft (8) is embedded on the front outlet pipe (5) of turbine (6), one end and the running shaft (8) of swivel plate (9) are consolidated, the first moving body (14), second moving body (15), 3rd moving body (16) is arranged in control volume (11), and the internal cavity cross section of control volume (11) is rectangular, the first moving body (14), second moving body (15), the cross section of the 3rd moving body (16) is rectangular, the first moving body (14), second moving body (15), the longitudinal section of the 3rd moving body (16) all cooperatively interacts with ramp structure, one end of flexible rod (10) and the other end of swivel plate (9) hinged, the other end of flexible rod (10) is through hinged with the lower wall surface of the 3rd moving body (16) after the lower wall surface of control volume (11), the lower wall surface of the 3rd moving body (16) is linked together by the lower wall surface of the 3rd spring (17) with control volume (11), the right wall of the first moving body (14) is linked together by the right wall of the first spring (12) with control volume (11), the left wall of the second moving body (15) is linked together by the left wall of the second spring (13) with control volume (11), one end of connecting tube (18) through after the upper wall surface of control volume (11) with the first moving body (14), cavity between second moving body (15) is connected, the other end of connecting tube (18) and gas compressor (3), suction tude (1) between diesel engine (4) is connected.
2. pipe-line system is drawn in air inlet according to claim 1, it is characterized in that described first moving body (14), the second moving body (15), the 3rd moving body (16) are stupalith.
CN201510144620.7A 2015-03-30 2015-03-30 Air inlet leading out pipeline system Pending CN104847478A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510144620.7A CN104847478A (en) 2015-03-30 2015-03-30 Air inlet leading out pipeline system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510144620.7A CN104847478A (en) 2015-03-30 2015-03-30 Air inlet leading out pipeline system

Publications (1)

Publication Number Publication Date
CN104847478A true CN104847478A (en) 2015-08-19

Family

ID=53847395

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510144620.7A Pending CN104847478A (en) 2015-03-30 2015-03-30 Air inlet leading out pipeline system

Country Status (1)

Country Link
CN (1) CN104847478A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6295814B1 (en) * 1997-04-23 2001-10-02 Daimlerchrysler Ag Internal-combustion engine with an exhaust gas turbocharger
CN102536433A (en) * 2012-01-11 2012-07-04 康跃科技股份有限公司 Staged flow-adjustable turbine shell
CN102562271A (en) * 2012-02-07 2012-07-11 上海交通大学 Turbocharging system with two rotating plates in front of turbine inlet
CN102817703A (en) * 2012-08-21 2012-12-12 上海交通大学 Adjustment system with post-pressure of air compressor as control pressure
CN103573389A (en) * 2013-10-12 2014-02-12 上海交通大学 Square tube device with chain
CN104358612A (en) * 2014-12-07 2015-02-18 王春海 Pipeline expansion mechanism

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6295814B1 (en) * 1997-04-23 2001-10-02 Daimlerchrysler Ag Internal-combustion engine with an exhaust gas turbocharger
CN102536433A (en) * 2012-01-11 2012-07-04 康跃科技股份有限公司 Staged flow-adjustable turbine shell
CN102562271A (en) * 2012-02-07 2012-07-11 上海交通大学 Turbocharging system with two rotating plates in front of turbine inlet
CN102817703A (en) * 2012-08-21 2012-12-12 上海交通大学 Adjustment system with post-pressure of air compressor as control pressure
CN103573389A (en) * 2013-10-12 2014-02-12 上海交通大学 Square tube device with chain
CN104358612A (en) * 2014-12-07 2015-02-18 王春海 Pipeline expansion mechanism

Similar Documents

Publication Publication Date Title
CN103089409B (en) Variable air exhaust through flow area air inlet pressure control type adjusting device for turbocharged engine
CN103089410B (en) Rotation control type pipeline reducing rate variable device
CN103573389B (en) With the square tube device of chain
CN103089411B (en) Variable air exhaust through flow area air exhaust pressure control type adjusting mechanism for turbocharged engine
CN103089412B (en) Rotation control type air exhaust pipe outlet area variable device
CN103382886B (en) Twoly run through pipe type rotation mechanism
CN103382887B (en) With the chain transmission system of bicircular arcs structure
CN103452644B (en) With the exhaust pipe pressure control device of chain
CN102767419A (en) Volume cavity device internally provided with spring
CN102877933B (en) Pipeline system capable of controlling intake pressure and exhaust pressure synchronously and mainly
CN103573392A (en) Inlaid type pipeline connecting system
CN103573394B (en) Multi-part synchronous rotating mechanism
CN202718750U (en) Volume changing device in telescopic pipe
CN104791082A (en) Exhaust leading-out pipe system
CN104847482A (en) Spring type throat adjusting device
CN102720581A (en) Mechanically telescopic device with three connection pipes
CN103573390B (en) Differential two running shaft synchronous rotation systems
CN103452646B (en) Exhaust manifold circulation area self-regulation type engine system
CN103470363B (en) The pressurization system that rotary exhaust manifold throat area is variable
CN103452649B (en) Mechanical exhaust pipe pressure regulating system
CN104847477A (en) Mechanical throat adjustment device
CN103452647A (en) Circulation area self-adaption system of exhaust manifold
CN104847478A (en) Air inlet leading out pipeline system
CN103470368B (en) With the turbo charge system of synchronous rotating mechanism
CN103452645B (en) With the engine system of Double rotation axle

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
EXSB Decision made by sipo to initiate substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20150819