CN105370391A - Pipeline gas circulation adjustment device - Google Patents
Pipeline gas circulation adjustment device Download PDFInfo
- Publication number
- CN105370391A CN105370391A CN201510930119.3A CN201510930119A CN105370391A CN 105370391 A CN105370391 A CN 105370391A CN 201510930119 A CN201510930119 A CN 201510930119A CN 105370391 A CN105370391 A CN 105370391A
- Authority
- CN
- China
- Prior art keywords
- centrifugal
- arc plate
- circular arc
- shaft
- 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
Links
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
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/12—Control of the pumps
- F02B37/18—Control of the pumps by bypassing exhaust from the inlet to the outlet of turbine or to the atmosphere
-
- 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
- F02B37/16—Control of the pumps by bypassing charging air
- F02B37/162—Control of the pumps by bypassing charging air by bypassing, e.g. partially, intake air from pump inlet to pump outlet
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/02—Surge control
- F04D27/0207—Surge control by bleeding, bypassing or recycling fluids
- F04D27/0215—Arrangements therefor, e.g. bleed or by-pass valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2270/00—Control
- F05D2270/30—Control parameters, e.g. input parameters
- F05D2270/304—Spool rotational speed
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a pipeline gas circulation adjustment device, and belongs to the technical field of mechanical design. The pipeline gas circulation adjustment device comprises a control body, a centrifugal shaft, a centrifugal cavity, a centrifugal body, a centrifugal spring, an arc plate, an elastic band, a gas release pipe and a rotating plate; the centrifugal cavity, the centrifugal body, the centrifugal spring, the arc plate and the elastic band are all arranged in the control body; one end of the centrifugal body is arranged in the centrifugal cavity, and is connected with the centrifugal shaft through the centrifugal spring; the other end of the centrifugal body is an arc structure; the other end of the centrifugal body is in seal 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 higher, the rotating plate anticlockwise rotates, the gas release pipe is cut off, and a gas compressor normally supplies gas to the engine; and when the rotating speed of the engine is lower, the rotating plate clockwise rotates, one part of gas flows from the front part of the gas compressor to the rear part of the gas compressor, and the gas compressor is relatively higher in flow without generating surges. The pipeline gas circulation adjustment device is reasonable in design, simple in structure and suitable for optimal design of a gas compressor surge prevention system.
Description
Technical field
What the present invention relates to is a kind of compressor surge regulating system of technical field of mechanical design, particularly a kind of pipeline gas circulation controlling device being applicable to supercharged engine.
Background technique
Gas compressor is all design by given inlet air conditions, rotating speed, pressure ratio and air mass flow, but its working state (temperature of working environment, pressure, rotating speed and air mass flow etc.) is actually change, and the performance of gas compressor under various working state is called compressor characteristics.Under certain rotating speed, when the pressure ratio of gas compressor increases to a certain numerical value, gas compressor will enter unstable working state, is easy to surge occurs, make whole system produce the air-flow axial pulse of low frequency large amplitude, the phenomenon that instant airflow flows backwards even can occur.Compressor surge may cause leaf destruction, structural failure, firing chamber overtemperature and engine dies.Following measures can be taked: by the established angle of what straightener(stator) blade of rotational speed regulation, make the air-flow of inflow have the suitable angle of attack, avoid airflow breakaway and cause surge for avoiding that surge occurs; Multistage compressor is divided into the rotor of 2 different rotating speeds, respectively by high and low pressure turbine drives.Some motor adopts 3 rotor structures; Multiatage axial flow compressor is exitted from intergrade, to increase the air mass flow of previous stages, avoids the angle of attack of air-flow excessive, produces and is separated, occur surge; Multiatage axial flow compressor is slotted on the casing of first order gas compressor, and make the air-flow of first order runner vane tip part produce backflow by the conduit on casing, reduce the angle of attack of air-flow, this method is called treated casing.Compressor surge is the low frequency that air-flow occurs along gas compressor axial direction, the reforming phenomena of high amplitude.The air-flow vibration of this low frequency high amplitude is a kind of very large excitation force source, he can cause intense mechanical vibration and the hot junction overtemperature of motor parts, and cause the badly damaged of parts in a short period of time, so under any state, gas compressor is not allowed to enter surge area work.The sound of motor changes into overcast by the sharp whistle; The vibration of motor strengthens; Blower outlet stagnation pressure and flow significantly fluctuate; Rotary speed unstabilization is fixed, and thrust declines suddenly and has and significantly fluctuates; The delivery temperature of motor raises, and causes overtemperature; Can blow out time serious, gas flow interruption and flame-out parking occurs.Therefore, once there is above-mentioned phenomenon, must take immediate steps, make gas compressor exit surge working state.
In the prior art, the technology also not utilizing centrifugal principle to control compressor surge.
Summary of the invention
The present invention is directed to above-mentioned the deficiencies in the prior art, provide a kind of pipeline gas circulation controlling device, the bent axle of motor can be utilized to drive centrfugal stretching device to control the surge of gas compressor.
The present invention is achieved through the following technical solutions, the present invention includes suction tude, air filter, gas compressor, motor, outlet pipe, turbine, catalyst converter, exhaust tube, swingle, running shaft, control volume, tensile axis, stretching bar, centrifugal shaft, centrifugal chamber, centrifugal body, centrifugal spring, circular arc plate, elastic ribbon, swivel plate, the air outlet of suction tude is connected with the intake duct of motor, and the suction port of outlet pipe is connected with the air outlet flue of motor, air filter, gas compressor is connected in turn in suction tude, turbine, catalyst converter is connected in turn on outlet pipe, the two ends of exhaust tube are connected with the suction tude before and after gas compressor respectively, running shaft is embedded on the lower wall surface of exhaust tube, running shaft is exposed to be consolidated in one end of exhaust tube outside and one end of swingle, swivel plate to be arranged in exhaust tube and to be consolidated with running shaft, the other end of swingle and one end of stretching bar 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 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, and centrfugal stretching device can be utilized to occur surge to prevent gas compressor.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the sectional drawing of exhaust tube in the present invention;
Fig. 3 is the structural representation of A-A section in Fig. 1;
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, suction tude, 2, air filter, 3, gas compressor, 4, motor, 5, outlet pipe, 6, turbine, 7, catalyst converter, 8, exhaust tube, 9, swingle, 10, running shaft, 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, swivel plate.
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 suction tude 1, air filter 2, gas compressor 3, motor 4, outlet pipe 5, turbine 6, catalyst converter 7, exhaust tube 8, swingle 9, running shaft 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, swivel plate 20, the air outlet of suction tude 1 is connected with the intake duct of motor 4, and the suction port of outlet pipe 5 is connected with the air outlet flue of motor 4, air filter 2, gas compressor 3 is connected in turn in suction tude 1, turbine 6, catalyst converter 7 is connected in turn on outlet pipe 5, the two ends of exhaust tube 8 are connected with the suction tude 1 before and after gas compressor 3 respectively, running shaft 10 is embedded on the lower wall surface of exhaust tube 8, running shaft 10 is exposed to be consolidated in one end of exhaust tube 8 outside and one end of swingle 9, swivel plate 20 to be arranged in exhaust tube 8 and to be consolidated with running shaft 10, the other end of swingle 9 and one end of stretching bar 13 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 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 stretching bar 13 pull swingle 9, running shaft 10, swivel plate 20 is rotated counterclockwise together, exhaust tube 8 is cut off, the gas of gas compressor 3 air outlet all enters motor, 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, tensile axis 12 drives stretching bar 13 to move down, thus stretching bar 13 is driven move and pull swingle 9, running shaft 10, swivel plate 20 to turn clockwise together, after some gas flows to gas compressor 3 by exhaust tube 8 before gas compressor 3, thus make gas compressor 3 relative discharge comparatively large, prevent surge from occurring.
Claims (2)
1. a pipeline gas circulation controlling device, comprise suction tude (1), air filter (2), gas compressor (3), motor (4), outlet pipe (5), turbine (6), catalyst converter (7), the air outlet of suction tude (1) is connected with the intake duct of motor (4), the suction port of outlet pipe (5) is connected with the air outlet flue of motor (4), air filter (2), gas compressor (3) is connected in turn in suction tude (1), turbine (6), catalyst converter (7) is connected in turn on outlet pipe (5), it is characterized in that, also comprise exhaust tube (8), swingle (9), running shaft (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), swivel plate (20), the two ends of exhaust tube (8) are connected with the suction tude (1) before and after gas compressor (3) respectively, running shaft (10) is embedded on the lower wall surface of exhaust tube (8), one end of the exposed one end outside at exhaust tube (8) of running shaft (10) and swingle (9) is consolidated, swivel plate (20) to be arranged in exhaust tube (8) and to be consolidated with running shaft (10), the other end of swingle (9) and one end of stretching bar (13) 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. pipeline gas circulation controlling 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 |
|---|---|---|---|
| CN201510930119.3A CN105370391A (en) | 2015-12-13 | 2015-12-13 | Pipeline gas circulation adjustment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510930119.3A CN105370391A (en) | 2015-12-13 | 2015-12-13 | Pipeline gas circulation adjustment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105370391A true CN105370391A (en) | 2016-03-02 |
Family
ID=55372935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510930119.3A Pending CN105370391A (en) | 2015-12-13 | 2015-12-13 | Pipeline gas circulation adjustment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105370391A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109715914A (en) * | 2016-09-23 | 2019-05-03 | Mtu 腓特烈港有限责任公司 | Internal combustion engine |
-
2015
- 2015-12-13 CN CN201510930119.3A patent/CN105370391A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109715914A (en) * | 2016-09-23 | 2019-05-03 | Mtu 腓特烈港有限责任公司 | Internal combustion engine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6468414B2 (en) | Compressor vane, axial compressor, and gas turbine | |
| JP2019163727A (en) | Pipe diffuser of centrifugal compressor | |
| US10221858B2 (en) | Impeller blade morphology | |
| CN104895839A (en) | Axial-flow compressor stator blade system with adjustable first and second half of segments and working method thereof | |
| JP2013019385A (en) | Centrifugal compressor | |
| CN201062585Y (en) | Mining explosion-proof press-in type dual-speed counter-rotating axial-flow auxiliary fan | |
| JP2020535342A (en) | Exhaust gas turbine diffuser | |
| US20170045270A1 (en) | Device and method for converting thermal energy | |
| CN105508081A (en) | Coaxial turbo-shaft engine | |
| JP2009068372A (en) | Centrifugal compressor | |
| CN104564752A (en) | Method and system for controlling compressor forward leakage | |
| CN105370391A (en) | Pipeline gas circulation adjustment device | |
| CN105422269A (en) | Surge adjustment device for gas compressor | |
| CN105090122A (en) | Centrifugal fan and vaneless diffuser thereof | |
| CN105464788A (en) | Self-circulation drive system for gas | |
| CN105351080A (en) | Multi-rod linked type rotating mechanism | |
| CN105351081A (en) | Device for driving fixed connection and articulation of two ends of rotating rod | |
| CN105332954A (en) | Bulk movable body regulation mechanism with through hole | |
| CN105351082A (en) | Relative air intake flow variable device | |
| CN105317535A (en) | External air compressor surge control system | |
| CN105332955A (en) | Double-layer spring movable body regulation device | |
| CN105507960A (en) | Spring and gas-pressure balance control system | |
| CN103047049B (en) | Turbojet engine | |
| JP2008530433A5 (en) | ||
| CN106837822B (en) | Pulse jet vacuum pump with horizontal water outlet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160302 |
|
| WD01 | Invention patent application deemed withdrawn after publication |