CN104594999A - Mechanical back pressure control system - Google Patents
Mechanical back pressure control system Download PDFInfo
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- CN104594999A CN104594999A CN201410740426.0A CN201410740426A CN104594999A CN 104594999 A CN104594999 A CN 104594999A CN 201410740426 A CN201410740426 A CN 201410740426A CN 104594999 A CN104594999 A CN 104594999A
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Abstract
The invention belongs to the technical field of internal combustion engines, and relates to a mechanical back pressure control system. The mechanical back pressure control system comprises an engine intake pipe, a supercharger, an engine, an engine exhaust pipe, a turbine, connecting pipes, a regulating cavity, a rotating shaft, a rotating board, a control cavity, internal pipes, a spring and a rotating body. The regulating cavity is coaxially connected with the control cavity through the rotating shaft, one end of a second connecting pipe is communicated with an internal cavity of the control cavity, and the other end of the second connecting pipe is connected with the engine intake pipe between a compressor and an intercooler. According to the mechanical back pressure control system, when the engine operates under high speed working condition, the volume of exhaust gas before the turbine is larger, the pumping loss is smaller, and the oil consumption is lower; when the engine operates under low speed working condition, the volume of the exhaust gas before the turbine is smaller, the oil consumption can be fully utilized, and the oil consumption is lower. The mechanical back pressure control system has the advantages that the design is reasonable, the structure is simple, and the optimal design of turbo charged engine exhaust system is applicable.
Description
Technical field
The invention belongs to technical field of internal combustion engines, specifically, is a kind of mechanical type backpressure control system that can realize the self-control of supercharged engine exhaust pipe volume.
Background technique
Turbo charge system mainly contains impulse pressure charging system and constant 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, and pressure size is only relevant with rotating speed with the load of motor.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 if a motor is equipped with constant pressure charging system and impulse pressure charging system simultaneously, adopt constant pressure charging system during high-speed working condition, adopt impulse pressure charging system when low speed or instantaneous conditions, this is ideal
Through existing literature search, find that number of patent application is 200810203032.6, name is called the patented technology utilizing dividing plate rotation to regulate the turbo charging installation of exhaust pipe volume, provide a kind of swivel plate that utilizes to realize the technology of exhaust pipe volume continuous variable, but its rotation needs, with manually, can not to rotate by teaching display stand.
Summary of the invention
The present invention is directed to above-mentioned deficiency, provide a kind of mechanical type backpressure control system, the Automatic continuous that can realize exhaust pipe volume is variable.
The present invention is achieved through the following technical solutions, the present invention includes engine air inlet tube, air filter, gas compressor, intercooler, closure, motor, engine exhaust pipe, turbine, catalysis bag, baffler, first connecting tube, regulate chamber, running shaft, swivel plate, fixed plate, control chamber, fixed body, first inner tube, second inner tube, spring, dividing plate, solid of rotation, connecting plate, second connecting tube, 3rd connecting tube, the air outlet of engine air inlet tube is connected with the intake duct of motor, and the air outlet of engine exhaust pipe is connected with the air outlet flue of motor, air filter, gas compressor, intercooler, closure is arranged on engine air inlet tube successively, turbine, catalysis bag, baffler is arranged on engine exhaust pipe successively, and one end of running shaft is embedded on the left wall in adjustment chamber, and the other end of running shaft is successively through regulating the right wall in chamber, be embedded in after the left wall of control chamber on the right wall of control chamber, regulate chamber, control chamber is connected by rotating shaft coaxle, and fixed plate is arranged in and regulates in chamber and be consolidated with adjustment cavity wall face, and swivel plate is arranged in and regulates in chamber and be consolidated with running shaft, and the longitudinal section of control chamber internal cavity is circular, fixed body, the longitudinal section of solid of rotation is arc-shaped, and fixed body to be arranged in control chamber and to be consolidated with the internal face of control chamber, the first inner tube, second inner tube is arranged in fixed body, the first inner tube, second inner tube links together, the cross sectional area of the second inner tube is greater than the cross sectional area of the first inner tube, dividing plate to be arranged in the second inner tube and to seal with the wall of the second inner tube and contacts, one end of solid of rotation to be stretched in the first inner tube and is sealed with the wall of the first inner tube and contacts, the other end and the dividing plate of solid of rotation are consolidated, solid of rotation, connecting plate, running shaft is consolidated, the upper wall surface of the second inner tube is linked together by spring and dividing plate, one end of first connecting tube is connected with regulating the internal cavity in chamber, the other end of the first connecting tube is connected with the engine exhaust pipe before turbine, one end of second connecting tube is connected with the internal cavity of control chamber, the other end of the second connecting tube and gas compressor, engine air inlet tube between intercooler is connected, one end of the 3rd connecting tube and catalysis bag, engine exhaust pipe between baffler is connected, and the other end of the 3rd connecting tube is connected with the first inner tube.
The invention has the beneficial effects as follows: the present invention is reasonable in design, structure is simple, and exhaust pipe volume can continuous variable, and motor is all better at every speed performance of operating condition.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of A-A section in Fig. 1;
Fig. 3 is the structural representation of B-B section in Fig. 1;
Fig. 4 is the structural representation of C-C section in Fig. 3;
Fig. 5 is the structural representation of D-D section in Fig. 3;
Label in accompanying drawing is respectively: 1, machine suction tude, and 2, air filter, 3, gas compressor, 4, intercooler, 5, closure, 6, motor, 7, engine exhaust pipe, 8, turbine, 9, catalysis bag, 10, baffler, the 11, first connecting tube, 12, regulate chamber, 13, running shaft, 14, swivel plate, 15, fixed plate, 16, control chamber, 17, fixed body, the 18, first inner tube, the 19, second inner tube, 20, spring, 21, dividing plate, 22, solid of rotation, 23, connecting plate, 24, the second connecting tube, the 25, the 3rd 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 engine air inlet tube 1, air filter 2, gas compressor 3, intercooler 4, closure 5, motor 6, engine exhaust pipe 7, turbine 8, catalysis bag 9, baffler 10, first connecting tube 11, regulate chamber 12, running shaft 13, swivel plate 14, fixed plate 15, control chamber 16, fixed body 17, first inner tube 18, second inner tube 19, spring 20, dividing plate 21, solid of rotation 22, connecting plate 23, second connecting tube 24, 3rd connecting tube 25, the air outlet of engine air inlet tube 1 is connected with the intake duct of motor 6, and the air outlet of engine exhaust pipe 7 is connected with the air outlet flue of motor 6, air filter 2, gas compressor 3, intercooler 4, closure 5 is arranged on engine air inlet tube 1 successively, turbine 8, catalysis bag 9, baffler 10 is arranged on engine exhaust pipe 7 successively, the first connecting tube 11, regulate chamber 12, running shaft 13, swivel plate 14, fixed plate 15, control chamber 16, fixed body 17, first inner tube 18, second inner tube 19, spring 20, dividing plate 21, solid of rotation 22, connecting plate 23, second connecting tube 24, one end of running shaft 13 is embedded on the left wall in adjustment chamber 12, and the other end of running shaft 13 is successively through regulating the right wall in chamber 12, be embedded in after the left wall of control chamber 16 on the right wall of control chamber 16, regulate chamber 12, control chamber 16 is coaxially connected by running shaft 13, fixed plate 15 is arranged in and regulates in chamber 12 and be consolidated with adjustment chamber 12 internal face, swivel plate 14 is arranged in and regulates in chamber 12 and be consolidated with running shaft 13, and the longitudinal section of control chamber 16 internal cavity is circular, fixed body 17, the longitudinal section of solid of rotation 22 is arc-shaped, and fixed body 17 to be arranged in control chamber 16 and to be consolidated with the internal face of control chamber 16, the first inner tube 18, second inner tube 19 is arranged in fixed body 17, the first inner tube 18, second inner tube 19 links together, the cross sectional area of the second inner tube 19 is greater than the cross sectional area of the first inner tube 18, dividing plate 21 to be arranged in the second inner tube 19 and to seal with the wall of the second inner tube 19 and contacts, one end of solid of rotation 22 to be stretched in the first inner tube 18 and is sealed with the wall of the first inner tube 18 and contacts, the other end and the dividing plate 21 of solid of rotation 22 are consolidated, solid of rotation 22, connecting plate 23, running shaft 13 is consolidated, the upper wall surface of the second inner tube 19 is linked together by spring 20 and dividing plate 2, one end of first connecting tube 11 is connected with regulating the internal cavity in chamber 12, the other end of the first connecting tube 11 is connected with the engine exhaust pipe 7 before turbine 8, one end of second connecting tube 24 is connected with the internal cavity of control chamber 16, the other end of the second connecting tube 24 and gas compressor 3, engine air inlet tube 1 between intercooler 4 is connected, one end of the 3rd connecting tube 25 and catalysis bag 9, engine exhaust pipe 7 between baffler 10 is connected, and the other end of the 3rd connecting tube 25 is connected with the first inner tube 18.
In implementation process of the present invention, swivel plate 14, dividing plate 21, solid of rotation 22, connecting plate 23 can pass through running shaft 13 coaxial rotating.When motor 6 runs at high-speed working condition, in engine air inlet tube 1 between gas compressor 3, intercooler 4, suction pressure is larger, the pressure reduction at dividing plate 21 two ends is also larger, thus dividing plate 21, solid of rotation 22, connecting plate 23, swivel plate 14 are all rotated counterclockwise and Compress Spring 20, gas exhaust piping volume before turbine 8 becomes large, the pumping loss of motor 6 is less, and oil consumption is lower; When motor 6 runs at speed operation, in engine air inlet tube 1 between gas compressor 3, intercooler 4, suction pressure is less, the pressure reduction at dividing plate 21 two ends is also less, under the elastic reaction of spring 20, make dividing plate 21, solid of rotation 22, connecting plate 23, swivel plate 14 all turn clockwise, gas exhaust piping volume before turbine 8 diminishes, motor 6 can make full use of exhaust pulse energy, and oil consumption is lower.
Claims (1)
1. a mechanical type backpressure control system, comprises engine air inlet tube (1), air filter (2), gas compressor (3), intercooler (4), closure (5), motor (6), engine exhaust pipe (7), turbine (8), catalysis bag (9), baffler (10), the air outlet of engine air inlet tube (1) is connected with the intake duct of motor (6), the air outlet of engine exhaust pipe (7) is connected with the air outlet flue of motor (6), air filter (2), gas compressor (3), intercooler (4), closure (5) is arranged on engine air inlet tube (1) successively, turbine (8), catalysis bag (9), baffler (10) is arranged on engine exhaust pipe (7) successively, it is characterized in that, also comprises the first connecting tube (11), regulate chamber (12), running shaft (13), swivel plate (14), fixed plate (15), control chamber (16), fixed body (17), first inner tube (18), second inner tube (19), spring (20), dividing plate (21), solid of rotation (22), connecting plate (23), second connecting tube (24), 3rd connecting tube (25), one end of running shaft (13) is embedded on the left wall of adjustment chamber (12), and the other end of running shaft (13) is successively through regulating chamber (12) right wall, be embedded on the right wall of control chamber (16) after control chamber (16) left wall, regulate chamber (12), control chamber (16) is coaxially connected by running shaft (13), fixed plate (15) is arranged in and regulates in chamber (12) and be consolidated with adjustment chamber (12) internal face, swivel plate (14) is arranged in and regulates in chamber (12) and be consolidated with running shaft (13), the longitudinal section of control chamber (16) internal cavity is circular, fixed body (17), the longitudinal section of solid of rotation (22) is arc-shaped, and fixed body (17) to be arranged in control chamber (16) and to be consolidated with the internal face of control chamber (16), the first inner tube (18), second inner tube (19) is arranged in fixed body (17), the first inner tube (18), second inner tube (19) links together, the cross sectional area of the second inner tube (19) is greater than the cross sectional area of the first inner tube (18), dividing plate (21) to be arranged in the second inner tube (19) and to seal with the wall of the second inner tube (19) and contacts, one end of solid of rotation (22) to be stretched in the first inner tube (18) and is sealed with the wall of the first inner tube (18) and contacts, the other end and the dividing plate (21) of solid of rotation (22) are consolidated, solid of rotation (22), connecting plate (23), running shaft (13) is consolidated, the upper wall surface of the second inner tube (19) is linked together by spring (20) and dividing plate (21), one end of first connecting tube (11) is connected with regulating the internal cavity in chamber (12), the engine exhaust pipe (7) that the other end of the first connecting tube (11) is front with turbine (8) is connected, one end of second connecting tube (24) is connected with the internal cavity of control chamber (16), the other end of the second connecting tube (24) and gas compressor (3), engine air inlet tube (1) between intercooler (4) is connected, one end of the 3rd connecting tube (25) and catalysis bag (9), engine exhaust pipe (7) between baffler (10) is connected, and the other end of the 3rd connecting tube (25) is connected with the first inner tube (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410740426.0A CN104594999A (en) | 2014-12-07 | 2014-12-07 | Mechanical back pressure control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410740426.0A CN104594999A (en) | 2014-12-07 | 2014-12-07 | Mechanical back pressure control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104594999A true CN104594999A (en) | 2015-05-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410740426.0A Pending CN104594999A (en) | 2014-12-07 | 2014-12-07 | Mechanical back pressure control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104594999A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105863905A (en) * | 2016-05-31 | 2016-08-17 | 上海交通大学 | Air pressure compensation device of air feeding system |
-
2014
- 2014-12-07 CN CN201410740426.0A patent/CN104594999A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105863905A (en) * | 2016-05-31 | 2016-08-17 | 上海交通大学 | Air pressure compensation device of air feeding system |
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| C06 | Publication | ||
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Application publication date: 20150506 |