CN105332955A - Double-layer spring movable body regulation device - Google Patents
Double-layer spring movable body regulation device Download PDFInfo
- Publication number
- CN105332955A CN105332955A CN201510925395.0A CN201510925395A CN105332955A CN 105332955 A CN105332955 A CN 105332955A CN 201510925395 A CN201510925395 A CN 201510925395A CN 105332955 A CN105332955 A CN 105332955A
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- Prior art keywords
- centrifugal
- arc plate
- spring
- circular arc
- moving body
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
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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
- F02B39/00—Component parts, details, or accessories relating to, driven charging or scavenging pumps, not provided for in groups F02B33/00 - F02B37/00
- F02B39/16—Other safety measures for, or other control of, pumps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a double-layer spring movable body regulation device in the technical field of mechanical design. The double-layer spring movable body regulation device comprises a control body, a centrifugal shaft, a centrifugal cavity, a centrifugal body, a centrifugal spring, an arc plate, an elastic cord, an air discharging pipe, a regulation body, a movable body, a through hole and a tension spring, wherein the centrifugal cavity, the centrifugal body, the centrifugal spring, the arc plate and the elastic cord are all arranged in the control body; one end of the centrifugal body is arranged in the centrifugal cavity and connected with the centrifugal shaft through the centrifugal spring, and the other end of the centrifugal body is of an arc structure and makes sealed contact with the arc plate; the elastic cord is arranged on the outer surface of the arc plate. When the rotation speed of an engine is high, the movable body moves upwards, the air discharging pipe is isolated, and an air compressor normally supplies air to the engine. When the rotation speed of the engine is low, the movable body moves downwards, part of the air flows from the front of the air compressor to the back of the air compressor, the relative flow of the air compressor is large, and occurrence of surge is avoided. The double-layer spring movable body regulation device is reasonable in design, simple in structure and suitable for the optimal design of an anti-surge system of the air compressor.
Description
Technical field
What the present invention relates to is a kind of compressor surge regulating system, particularly a kind of double-layer spring moving body regulating controller being applicable to supercharged engine of technical field of mechanical design.
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 double-layer spring moving body regulating controller, 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, control agent, moving body, control volume, tensile axis, stretching bar, centrifugal shaft, centrifugal chamber, centrifugal body, centrifugal spring, circular arc plate, elastic ribbon, through hole, extension spring, 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, control agent is arranged on exhaust tube, moving body to be arranged in control agent and to seal with the internal face of control agent and contacts, the cross section of moving body is rectangular, one end of stretching bar is consolidated with moving body through after the upper wall surface of control agent, 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, via arrangement is on moving body, and through hole is circular hole and internal diameter is less than the internal diameter of exhaust tube, the both ends of the surface up and down of moving body are all connected with the internal face of control agent by extension spring.
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 partial enlarged drawing of Fig. 1;
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, control agent, 10, moving body, 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, through hole, 21, extension spring.
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, control agent 9, moving body 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, through hole 20, extension spring 21, 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, control agent 9 is arranged on exhaust tube 8, moving body 10 to be arranged in control agent 9 and to seal with the internal face of control agent 9 and contacts, the cross section of moving body 10 is rectangular, one end of stretching bar 13 is consolidated with moving body 10 through after the upper wall surface of control agent 9, 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, through hole 20 is arranged on moving body 10, and through hole 20 is circular hole and internal diameter is less than the internal diameter of exhaust tube 8, the both ends of the surface up and down of moving body 10 are all connected by the internal face of extension spring 21 with control agent 9, 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 stretching bar 13 is pulled on moving body 10 move, exhaust tube 8 is cut off, and 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, and tensile axis 12 also synchronously moves down, and tensile axis 12 drives stretching bar 13 to move down, thus make stretching bar 13 drive moving body 10 to move down, 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.Under the effect of extension spring 21, the movement of moving body 10 is more smooth-going.
Claims (2)
1. a double-layer spring moving body regulating controller, comprises 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), 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), it is characterized in that, also comprises exhaust tube (8), control agent (9), moving body (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), through hole (20), extension spring (21), the two ends of exhaust tube (8) are connected with the suction tude (1) before and after gas compressor (3) respectively, control agent (9) is arranged on exhaust tube (8), moving body (10) to be arranged in control agent (9) and to seal with the internal face of control agent (9) and contacts, the cross section of moving body (10) is rectangular, one end of stretching bar (13) is consolidated with moving body (10) through after the upper wall surface of control agent (9), 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), and the other end of centrifugal shaft (14) is connected by the bent axle of chain with motor (4), through hole (20) is arranged on moving body (10), and through hole (20) is for circular hole and internal diameter is less than the internal diameter of exhaust tube (8), the both ends of the surface up and down of moving body (10) are all connected by the internal face of extension spring (21) with control agent (9).
2. double-layer spring moving body regulating controller 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 |
|---|---|---|---|
| CN201510925395.0A CN105332955A (en) | 2015-12-13 | 2015-12-13 | Double-layer spring movable body regulation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510925395.0A CN105332955A (en) | 2015-12-13 | 2015-12-13 | Double-layer spring movable body regulation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105332955A true CN105332955A (en) | 2016-02-17 |
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ID=55283674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510925395.0A Pending CN105332955A (en) | 2015-12-13 | 2015-12-13 | Double-layer spring movable body regulation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105332955A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005214095A (en) * | 2004-01-30 | 2005-08-11 | Ishikawajima Harima Heavy Ind Co Ltd | Supercharger and supercharging method |
| CN104775943A (en) * | 2014-01-14 | 2015-07-15 | 爱三工业株式会社 | Control device of engine with supercharger |
| CN104895668A (en) * | 2015-06-28 | 2015-09-09 | 钱蔚鑫 | Through hole flow type waste gas bypass system |
| CN104912654A (en) * | 2015-06-28 | 2015-09-16 | 钱蔚鑫 | External control system for gas bypass flow |
-
2015
- 2015-12-13 CN CN201510925395.0A patent/CN105332955A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005214095A (en) * | 2004-01-30 | 2005-08-11 | Ishikawajima Harima Heavy Ind Co Ltd | Supercharger and supercharging method |
| CN104775943A (en) * | 2014-01-14 | 2015-07-15 | 爱三工业株式会社 | Control device of engine with supercharger |
| CN104895668A (en) * | 2015-06-28 | 2015-09-09 | 钱蔚鑫 | Through hole flow type waste gas bypass system |
| CN104912654A (en) * | 2015-06-28 | 2015-09-16 | 钱蔚鑫 | External control system for gas bypass flow |
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| C06 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20160217 |