CN208122958U - Turbo charge system - Google Patents

Turbo charge system Download PDF

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Publication number
CN208122958U
CN208122958U CN201820254303.XU CN201820254303U CN208122958U CN 208122958 U CN208122958 U CN 208122958U CN 201820254303 U CN201820254303 U CN 201820254303U CN 208122958 U CN208122958 U CN 208122958U
Authority
CN
China
Prior art keywords
cylinder
air inlet
pipe
bypass line
bypass
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.)
Expired - Fee Related
Application number
CN201820254303.XU
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Chinese (zh)
Inventor
晁鑫
高跃
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.)
SAIC General Motors Corp Ltd
Pan Asia Technical Automotive Center Co Ltd
Original Assignee
SAIC General Motors Corp Ltd
Pan Asia Technical Automotive Center Co Ltd
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 SAIC General Motors Corp Ltd, Pan Asia Technical Automotive Center Co Ltd filed Critical SAIC General Motors Corp Ltd
Priority to CN201820254303.XU priority Critical patent/CN208122958U/en
Application granted granted Critical
Publication of CN208122958U publication Critical patent/CN208122958U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • 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

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  • Supercharger (AREA)

Abstract

The utility model discloses a kind of turbo charge systems, including air inlet pipe, turbocharger, cylinder and ternary catalyzing unit;It include compressor and turbine in turbocharger, the air inlet of compressor is connected to air inlet pipe, and the air outlet of turbine is connected to the air inlet of ternary catalyzing unit;Cylinder includes cylinder air inlet and cylinder exhaust port;It is connected with cylinder intake pipe between the air outlet and cylinder air inlet of compressor, cylinder exhaust pipe is connected between cylinder exhaust port and the air inlet of turbine, exhaust vent valve door is provided on cylinder exhaust pipe;It is connected with bypass line between cylinder exhaust pipe and the air inlet of ternary catalyzing unit, the bypass line control valve for controlling bypass line switch is provided on bypass line;The air inlet of bypass line is connect with cylinder exhaust pipe, and between cylinder exhaust port and exhaust vent valve door.It solves the problems, such as noise and failure, improves the stability of system operation, and simplifies structure.

Description

Turbo charge system
Technical field
The present invention relates to turbo-charger technical field more particularly to a kind of turbo charge systems.
Background technique
Studies have shown that 15-30% can be improved in fuel economy using after turbocharger on diesel engine or gasoline engine, Discharged nitrous oxides are reduced more than 80%.With increasingly stringent fuel-economizing standard and discharge standard, turbocharger increasingly at For society urgent need, and about the technology of booster improve also just it is particularly important.
In traditional conventional turbocharger, by the control of turbine size and pressure ratio, in low speed, supercharging level is lower.For Solve the problems, such as this, bypass type booster controls supercharging level by bypassed turbine stream, so as to improve the low-speed performance of engine. However, the turbocharger problematic generation of frequency in practical applications of this built-in exhaust gas by-pass valve.Due to rotating speed of gas compressor Fluctuation in turn results in exhaust gas deflation push rod and exhaust vent valve generates certain frequency to will cause the fluctuation of admission pressure It swings, generates noise.When especially generating resonance, vibration aggravation be easy to cause push rod to be broken, booster exhaust gas bypass is caused to lose Effect, makes booster lose Stability and dependability at work.
Utility model content
The purpose of this utility model is to provide a kind of turbo charge systems that stable, structure simplifies.
Technical solutions of the utility model provide a kind of turbo charge system, including air inlet pipe, turbocharger, cylinder and three First catalyst converter;
It include compressor and turbine in the turbocharger, the compressor and the turbine pass through rotation axis Connection, the air inlet of the compressor are connected to the air inlet pipe, the air outlet of the turbine and the ternary catalyzing unit Air inlet connection;
The cylinder includes cylinder air inlet and cylinder exhaust port;
Cylinder intake pipe is connected between the air outlet of the compressor and the cylinder air inlet, in the cylinder exhaust It is connected with cylinder exhaust pipe between mouth and the air inlet of the turbine, is provided with exhaust vent valve on the cylinder exhaust pipe Door;
It is connected with bypass line between the cylinder exhaust pipe and the air inlet of the ternary catalyzing unit, in the bypass The bypass line control valve for controlling the bypass line switch is provided on pipeline;
The air inlet of the bypass line is connect with the cylinder exhaust pipe, and is located at the cylinder exhaust port and is given up with described Between gas deflation valve.
Further, the bypass line is placed outside the outside of the turbocharger.
Further, the bypass line includes the first bypass pipe connecting with the cylinder exhaust pipe and the ternary Second bypass pipe of the air inlet connection of catalyst converter and the control being connected between first bypass pipe and second bypass pipe Chamber processed;
The bypass line control valve is located in the control chamber.
Further, the bypass line control valve includes for controlling the stifled of the unlatching size of first bypass line Head and electromagnetic drive part for driving the plug mobile;
The plug is slidably disposed in the electromagnetic drive part, and the front end of the plug is bypassed towards described first The gas outlet of pipe extends.
Further, the front end of the plug has point.
Further, the bypass line control valve is exhaust gas recirculation valve, is also connected in the exhaust gas recirculation valve There is the control unit of the aperture for controlling the exhaust gas recirculation valve.
Further, intercooler is provided on the cylinder intake pipe.
Further, air throttle is provided on the cylinder intake pipe.
By adopting the above technical scheme, it has the advantages that:
The utility model between cylinder exhaust pipe and the air inlet of ternary catalyzing unit using bypass line is connected with, then It is logical instead of existing built-in exhaust vent valve, push rod and exhaust gas bypass in the mode of bypass line setting bypass line control valve Road eliminates vibrating elements, solves the problems, such as noise and failure, improves the stability of system operation, and simplifies Structure.
Detailed description of the invention
Fig. 1 is the system schematic for the turbo charge system that an embodiment of the present invention provides.
Specific embodiment
Further illustrate specific embodiment of the present utility model with reference to the accompanying drawing.Wherein identical components phase Same appended drawing reference indicates.It should be noted that word "front", "rear" used in the following description, "left", "right", "upper" and "lower" refers to that the direction in attached drawing, word "inner" and "outside" refer respectively to the side towards or away from geometric center of specific component To.
As shown in Figure 1, the turbo charge system that an embodiment of the present invention provides, including air inlet pipe 1, turbocharger 2, cylinder 3 and ternary catalyzing unit 4.
It include compressor 22 and turbine 23 in turbocharger 2, compressor 22 and turbine 23 pass through rotation axis 24 Connection, the air inlet 221 of compressor 22 are connected to air inlet pipe 1, the air inlet of the air outlet 232 and ternary catalyzing unit 4 of turbine 23 Mouth 41 is connected to.
Cylinder 3 includes cylinder air inlet 31 and cylinder exhaust port 32.
It is connected with cylinder intake pipe 5 between the air outlet 222 and cylinder air inlet 31 of compressor 22, in cylinder exhaust port 32 It is connected with cylinder exhaust pipe 6 between the air inlet 231 of turbine 23, exhaust vent valve door is provided on cylinder exhaust pipe 6 61。
Wherein, it is connected with bypass line 7 between cylinder exhaust pipe 6 and the air inlet 41 of ternary catalyzing unit 4, in bypass pipe The bypass line control valve 8 for controlling the switch of bypass line 7 is provided on road 7.
The air inlet of bypass line 7 is connect with cylinder exhaust pipe 6, and is located at cylinder exhaust port 32 and exhaust vent valve door 61 Between.
Turbocharger 2 has shell 21, and compressor 22 and turbine 23 are arranged in shell 21, and the two passes through rotation axis 24 connections, can rotate coaxially.
When ambient atmos through air inlet pipe 1 enter compressor 22 in after, be pressurized by compressor 22, after through cylinder intake pipe 5 Into in cylinder 3.
Piston 33 in cylinder 3 is pushed by crank link mechanism 34 to do work, and exhaust gas enters turbine through cylinder exhaust pipe 6 23, and the revolving speed of turbine 23 can be controlled by controlling the exhaust gas inlet entered in turbine 23, and then control and calm the anger The revolving speed of machine 22.
Exhaust gas is most discharged after the purification of ternary catalyzing unit 4 afterwards.
It such as needs to reduce the exhausted air quantity into turbine 23, and then reduces the revolving speed of turbine 23, finally realizing reduces The revolving speed and air inflow of compressor 22, then open bypass line 7.
Bypass line control valve 8 is used to control the switch of bypass line 7 and the size of opening angle.
The air inlet of bypass line 7 is opening bypass line between cylinder exhaust port 32 and exhaust vent valve door 61 When control valve 8, a part of exhaust gas enters ternary catalyzing unit 4 through bypass line 7, and a part of exhaust gas enters through exhaust vent valve door 61 Ternary catalyzing unit 4 is entered back into after turbine 22, then is reduced into the exhausted air quantity in turbine 23, may be implemented to reduce air inlet Amount.
The utility model uses the connecting bypass pipeline 7 between cylinder exhaust pipe 6 and the air inlet 41 of ternary catalyzing unit 4, Then the mode of bypass line control valve 8 is set in bypass line 7, instead of existing built-in exhaust vent valve, push rod and exhaust gas Bypass passageways eliminate vibrating elements, solve the problems, such as noise and failure, improve the stability of system operation, and Simplify structure.
Preferably, simplifying turbocharger 2 as shown in Figure 1, bypass line 7 is placed outside the outside of turbocharger 2 Internal structure reduces manufacture, installation cost.
Preferably, as shown in Figure 1, bypass line 7 includes the first bypass pipe 71 connecting with cylinder exhaust pipe 6 and ternary The second bypass pipe 72 and the control being connected between the first bypass pipe 71 and the second bypass pipe 72 that the air inlet 41 of catalyst converter 4 connects Chamber 73 processed.
Bypass line control valve 8 is located in control chamber 73.
Bypass line control valve 8 can control the switch of the first bypass pipe 71, also can choose the second bypass pipe 72 of control Switch, facilitate control operation and installation.
Preferably, as shown in Figure 1, bypass line control valve 8 includes the unlatching size for controlling the first bypass line 71 Plug 81 and electromagnetic drive part 82 for driving plug 81 mobile.
Plug 81 is slidably disposed in electromagnetic drive part 82, the outlet of front end the first bypass pipe 71 of direction of plug 81 Mouth extends.
Plug 81 can be mobile towards the gas outlet of the first bypass pipe 71 under the driving of electromagnetic drive part 82, with part or The gas outlet of the first bypass pipe 71 is all blocked, and then controls the switch of the first bypass pipe 71 and opens size.
Plug 81 can also be under the driving of electromagnetic drive part 82 far from the gas outlet of the first bypass pipe 71, to fully open First bypass pipe 71.
Preferably, as shown in Figure 1, the front end of plug 81 facilitates the outlet of the first bypass pipe 71 of insertion with point 811 In mouthful, the unlatching size of gas outlet is controlled.
Preferably, bypass line control valve 8 is exhaust gas recirculation valve (EGR valve), it is also connected in exhaust gas recirculation valve For controlling the control unit (ECM) of the aperture of exhaust gas recirculation valve.
Exhaust gas flow is controlled by exhaust gas recirculation valve (EGR valve) in bypass line 7, and the aperture of exhaust gas recirculation valve is by controlling Unit (ECM) determines, avoids the problem of exhaust vent valve shake and the push rod caused by shaking are broken in existing mechanism, greatly The Stability and dependability for reducing noise greatly, improving booster work.
Preferably, as shown in Figure 1, intercooler 51 is provided on cylinder intake pipe 5, for dropping to pressurized gas Temperature.
Preferably, as shown in Figure 1, air throttle 52 is provided on cylinder intake pipe 5, for adjusting charge flow rate.
In conclusion turbo charge system provided by the utility model, by using in cylinder exhaust pipe and three-element catalytic Bypass line is connected between the air inlet of device, it, will be original then in the mode of bypass line setting bypass line control valve PWM valve, exhaust gas deflation actuator, exhaust vent valve are cancelled with corresponding pipeline, so that original vibrating elements is eliminated, from source On solve the problems, such as noise and failure.
As needed, above-mentioned each technical solution can be combined, to reach best-of-breed technology effect.
Above-described is only the principles of the present invention and preferred embodiment.It should be pointed out that for the general of this field For logical technical staff, on the basis of the utility model principle, several other modifications can also be made, also should be regarded as practical Novel protection scope.

Claims (8)

1. a kind of turbo charge system, including air inlet pipe, turbocharger, cylinder and ternary catalyzing unit;
It include compressor and turbine in the turbocharger, the compressor and the turbine are connected by rotation axis Connect, the air inlet of the compressor is connected to the air inlet pipe, the air outlet of the turbine and the ternary catalyzing unit into Port connection;
The cylinder includes cylinder air inlet and cylinder exhaust port;
Cylinder intake pipe is connected between the air outlet of the compressor and the cylinder air inlet, the cylinder exhaust port with It is connected with cylinder exhaust pipe between the air inlet of the turbine, exhaust vent valve door is provided on the cylinder exhaust pipe;
It is characterized in that, it is connected with bypass line between the cylinder exhaust pipe and the air inlet of the ternary catalyzing unit, The bypass line control valve for controlling the bypass line switch is provided on the bypass line;
The air inlet of the bypass line is connect with the cylinder exhaust pipe, and is located at the cylinder exhaust port and is put with the exhaust gas Between air valve.
2. turbo charge system according to claim 1, which is characterized in that the bypass line is placed outside the turbine and increases The outside of depressor.
3. turbo charge system according to claim 1, which is characterized in that the bypass line includes and the inblock cylinder First bypass pipe of tracheae connection, the second bypass pipe connecting with the air inlet of the ternary catalyzing unit and connection are described first Control chamber between bypass pipe and second bypass pipe;
The bypass line control valve is located in the control chamber.
4. turbo charge system according to claim 3, which is characterized in that
The bypass line control valve includes plug for controlling the unlatching size of first bypass pipe and for driving State the mobile electromagnetic drive part of plug;
The plug is slidably disposed in the electromagnetic drive part, and the front end of the plug is towards first bypass pipe Gas outlet extends.
5. turbo charge system according to claim 4, which is characterized in that the front end of the plug has point.
6. turbo charge system according to any one of claims 1-5, which is characterized in that the bypass line control valve For exhaust gas recirculation valve, the control of the aperture for controlling the exhaust gas recirculation valve is also connected in the exhaust gas recirculation valve Unit processed.
7. turbo charge system according to claim 1, which is characterized in that cold in being provided on the cylinder intake pipe Device.
8. turbo charge system according to claim 1, which is characterized in that be provided with solar term on the cylinder intake pipe Door.
CN201820254303.XU 2018-02-12 2018-02-12 Turbo charge system Expired - Fee Related CN208122958U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820254303.XU CN208122958U (en) 2018-02-12 2018-02-12 Turbo charge system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820254303.XU CN208122958U (en) 2018-02-12 2018-02-12 Turbo charge system

Publications (1)

Publication Number Publication Date
CN208122958U true CN208122958U (en) 2018-11-20

Family

ID=64204097

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820254303.XU Expired - Fee Related CN208122958U (en) 2018-02-12 2018-02-12 Turbo charge system

Country Status (1)

Country Link
CN (1) CN208122958U (en)

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20181120

CF01 Termination of patent right due to non-payment of annual fee