CN104265446A - Automobile turbocharger pressure relief device and pressure relief control method thereof - Google Patents
Automobile turbocharger pressure relief device and pressure relief control method thereof Download PDFInfo
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- CN104265446A CN104265446A CN201410447207.3A CN201410447207A CN104265446A CN 104265446 A CN104265446 A CN 104265446A CN 201410447207 A CN201410447207 A CN 201410447207A CN 104265446 A CN104265446 A CN 104265446A
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- pressure
- air inlet
- valve
- inlet bypass
- bypass valve
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- 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
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Abstract
The invention discloses an automobile turbocharger pressure relief device and a pressure relief control method thereof. The automobile turbocharger pressure relief device comprises a supercharge pipeline and an air inlet bypass valve, and the air inlet bypass valve is arranged on a pressure relief pipeline of the supercharge pipeline. A three-way electromagnetic valve is further included, three valve openings of the three-way electromagnetic valve are connected with the supercharge pipeline, a vacuum pipeline of a brake system and a control port of the air inlet bypass valve through three connecting pipes respectively. The pressure relief control method comprises the following steps that a pressure sensor in the supercharge pipeline senses the pressure in the supercharge pipeline; when the pressure in the supercharge pipeline does not reach a set valve value, an ECU of an automobile controls the three-way electromagnetic valve, the control port of the air inlet bypass valve is communicated with the supercharge pipeline, and the pressure in the supercharge pipeline prevents the air inlet bypass valve from being opened; when the pressure in the supercharge pipeline reaches the set valve value, the ECU of the automobile controls the three-way electromagnetic valve, the control port of the air inlet bypass valve is communicated with the vacuum pipeline of the brake system, and vacuum pressure enables the air inlet bypass valve to be opened quickly. The pressure relief airflow sound of a supercharged engine can be effectively reduced.
Description
Technical field
The present invention relates to vehicle turbine supercharging technology field, especially relate to a kind of automobile booster pressure relief device and pressure release controlling method thereof.
Background technique
Turbo charged petrol engine, when unexpected accelerator releasing, closure quick closedown, boost pressure is comparatively large, in order to protect associated components, needs, by air inlet bypass valve, the pressurized air in closure leading portion pipeline is discharged a part, to reduce pressure.
Existing generally adopt utilize closed throttle after degree of vacuum in intake manifold to open air inlet bypass valve, it is slower that this control mode causes air inlet bypass valve to be opened, can airflow noise be produced in the process of Exhaust Gas, can be heard by the passenger filling this motor; A kind of mode is also had to be directly use electromagnetic valve type air inlet bypass valve, opening speed is fast, airflow noise is produced little during accelerator releasing, but adopt the shortcoming of this scheme to be because the return spring power of this valve can not be done too large, otherwise the electromagnetic force of solenoid valve is not easy Open valve, so in boost phase poor sealing, airflow noise can be produced.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of automobile booster pressure relief device and pressure release controlling method thereof, to reach the object reducing supercharged engine pressure release airflow noise.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is:
A kind of automobile booster pressure relief device, comprise pressure piping and air inlet bypass valve, described air inlet bypass valve is located on the pressure relief pipe of pressure piping, also comprise three-way magnetic valve, three valve ports of described three-way magnetic valve are connected respectively by the control port of three connecting tubes with pressure piping, braking system vacuum line, air inlet bypass valve.
Described three-way magnetic valve is electrically connected with the ECU of automobile.
Described three-way magnetic valve is fixed on the tube wall of pressure piping.
Be provided with pressure transducer in described pressure piping, described pressure transducer is electrically connected with the ECU of automobile.
A pressure release controlling method for automobile booster pressure relief device, described pressure release controlling method comprises the following steps:
1) pressure in the pressure transducer induction pressure piping in pressure piping;
2) when the pressure in pressure piping does not reach setting threshold values, the ECU of automobile controls three-way magnetic valve, and the control port of air inlet bypass valve is connected with pressure piping, and the pressure in pressure piping stops air inlet bypass valve to be opened;
3) when the pressure in pressure piping reaches setting threshold values, the ECU of automobile controls three-way magnetic valve, and the control port of air inlet bypass valve is connected with braking system vacuum line, and vacuum pressure makes air inlet bypass valve open rapidly.
The present invention compared with prior art, has the following advantages: during automobile boost phase, leads to the pressure after supercharging to the control port of air inlet bypass valve, stops air inlet bypass valve to be opened, and avoids producing gas leakage sound at boost phase; Automobile is when quick accelerator releasing, and ECU controls the rapid switching channel of three-way magnetic valve, and lead to vacuum pressure to the control port of air inlet bypass valve, make air inlet bypass valve open pressure release rapidly, the airflow noise of generation is less, improves the quality of automobile.
Accompanying drawing explanation
Below the content expressed by each width accompanying drawing of this specification and the mark in figure are briefly described:
Fig. 1 is pressurized machine pressure relief device structural representation of the present invention.
Fig. 2 is three-way magnetic valve mounting point of the present invention schematic diagram.
In figure: 1. air-strainer, 2. gas compressor, 3. turbo machine, 4. intercooler, 41. pressure pipings, 5. closure, 6. exhaust by-pass valve, 7. air inlet bypass valve, 8. three-way magnetic valve, 81. first valve port connecting tubes, 82. second valve port connecting tubes, 83. the 3rd valve port connecting tubes.
Embodiment
Contrast accompanying drawing below, by the description to embodiment, the specific embodiment of the present invention is described in further detail.
As depicted in figs. 1 and 2, turbo charged petrol engine, the gas handling system of motor comprises air-strainer 1, gas compressor 2, intercooler 4, closure 5, and wherein, air-strainer 1, gas compressor 2, intercooler 4, closure 5 are successively set in air inlet pipeline; The vent systems of motor comprises turbo machine 3 and exhaust by-pass valve 6, wherein, turbo machine 3 is located in gas exhaust piping, gas exhaust piping is communicated with the other pipe of exhaust, the other pipe one end of exhaust is connected with the gas exhaust piping before turbo machine, the other pipe the other end of exhaust is connected with the gas exhaust piping after turbo machine, and exhaust by-pass valve 6 is located in the other pipe of exhaust; Turbo machine 3 and gas compressor 2 are arranged side by side formation pressurized machine, drive gas compressor work, realize air intake pressurized by turbo machine.
Pipeline between gas compressor 2 and closure 5 is pressure piping 41, and the air inlet pipeline between air-strainer 1 and gas compressor 2 is connected by pressure relief pipe with pressure piping 41, and on pressure relief pipe, be provided with air inlet bypass valve 7.When closure quick closedown, the pressure in pressure piping 41 is comparatively large, and air inlet bypass valve 7 is opened and made pressure relief pipe conducting Exhaust Gas, reduces the pressure in pressure piping, protects the parts be connected with pressure piping.
Be provided with boss in the tube wall outside of pressure piping 41, three-way magnetic valve 8 is fixed on boss, and three-way magnetic valve 8 is electrically connected with the ECU of automobile, controls three-way magnetic valve work by ECU.In pressure piping, be provided with pressure transducer, pressure transducer is electrically connected with the ECU of automobile.
Three-way magnetic valve 8 has three valve ports, be respectively the first valve port, the second valve port, the 3rd valve port, first valve port is connected with pressure piping 41 by the first valve port connecting tube 81, second valve port is connected with the control port of air inlet bypass valve by the second valve port connecting tube 82, and the 3rd valve port is connected with braking system vacuum line by the 3rd valve port connecting tube 83.
Automobile is when boost phase, closure 5 is opened, the pressure of pressure piping 41 is not very large, by the pressure in the pressure transducer induction pressure piping in pressure piping, pressure in pressure piping does not reach setting threshold values, and the ECU of automobile controls three-way magnetic valve 8, and the control port of air inlet bypass valve is connected with pressure piping, pressure in pressure piping stops air inlet bypass valve to be opened, and avoids producing gas leakage sound at boost phase.
Automobile is when quick accelerator releasing, closure 5 quick closedown, the pressure of pressure piping 41 is larger, by the pressure in the pressure transducer induction pressure piping in pressure piping, the pressure in pressure piping reaches setting threshold values, and the ECU of automobile controls three-way magnetic valve 8 switching channel rapidly, the control port of air inlet bypass valve is connected with braking system vacuum line, vacuum pressure makes air inlet bypass valve open pressure release rapidly, and the airflow noise of generation is less, improves the quality of automobile.
Above by reference to the accompanying drawings to invention has been exemplary description; obvious specific implementation of the present invention is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that design of the present invention and technological scheme are carried out; or design of the present invention and technological scheme directly applied to other occasion, all within protection scope of the present invention without to improve.
Claims (5)
1. an automobile booster pressure relief device, comprise pressure piping and air inlet bypass valve, described air inlet bypass valve is located on the pressure relief pipe of pressure piping, it is characterized in that: also comprise three-way magnetic valve, three valve ports of described three-way magnetic valve are connected respectively by the control port of three connecting tubes with pressure piping, braking system vacuum line, air inlet bypass valve.
2. automobile booster pressure relief device as claimed in claim 1, is characterized in that: described three-way magnetic valve is electrically connected with the ECU of automobile.
3. automobile booster pressure relief device as claimed in claim 1, is characterized in that: described three-way magnetic valve is fixed on the tube wall of pressure piping.
4. automobile booster pressure relief device as claimed in claim 2, it is characterized in that: be provided with pressure transducer in described pressure piping, described pressure transducer is electrically connected with the ECU of automobile.
5. a pressure release controlling method for automobile booster pressure relief device as claimed in claim 1, is characterized in that: described pressure release controlling method comprises the following steps:
1) pressure in the pressure transducer induction pressure piping in pressure piping;
2) when the pressure in pressure piping does not reach setting threshold values, the ECU of automobile controls three-way magnetic valve, and the control port of air inlet bypass valve is connected with pressure piping, and the pressure in pressure piping stops air inlet bypass valve to be opened;
3) when the pressure in pressure piping reaches setting threshold values, the ECU of automobile controls three-way magnetic valve, and the control port of air inlet bypass valve is connected with braking system vacuum line, and vacuum pressure makes air inlet bypass valve open rapidly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410447207.3A CN104265446A (en) | 2014-09-03 | 2014-09-03 | Automobile turbocharger pressure relief device and pressure relief control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410447207.3A CN104265446A (en) | 2014-09-03 | 2014-09-03 | Automobile turbocharger pressure relief device and pressure relief control method thereof |
Publications (1)
| Publication Number | Publication Date |
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| CN104265446A true CN104265446A (en) | 2015-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410447207.3A Pending CN104265446A (en) | 2014-09-03 | 2014-09-03 | Automobile turbocharger pressure relief device and pressure relief control method thereof |
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| Country | Link |
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| CN (1) | CN104265446A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106582282A (en) * | 2015-10-14 | 2017-04-26 | 安徽华尔泰化工股份有限公司 | Pressure releasing apparatus for reduction reaction with ammonia |
| CN112012834A (en) * | 2020-09-07 | 2020-12-01 | 潍柴动力股份有限公司 | Gas engine control method and device for power generation, ECU and gas engine for power generation |
| CN112240728A (en) * | 2020-10-28 | 2021-01-19 | 长江存储科技有限责任公司 | Method for improving false alarm of cooling system water flow and semiconductor processing equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5823489B2 (en) * | 1978-04-18 | 1983-05-16 | 日産自動車株式会社 | Exhaust turbocharger output control device for internal combustion engine |
| CN201187344Y (en) * | 2008-04-30 | 2009-01-28 | 滁州悦达实业有限公司 | Gasoline passenger car turbocharger with pressure relief protection |
| CN201786446U (en) * | 2010-08-17 | 2011-04-06 | 芜湖杰锋汽车动力系统有限公司 | Gasoline engine turbocharger provided with pressure relief device |
| CN102748123A (en) * | 2012-06-27 | 2012-10-24 | 北京航空航天大学 | Anti-surge control device of turbocharger of aviation piston engine |
-
2014
- 2014-09-03 CN CN201410447207.3A patent/CN104265446A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5823489B2 (en) * | 1978-04-18 | 1983-05-16 | 日産自動車株式会社 | Exhaust turbocharger output control device for internal combustion engine |
| CN201187344Y (en) * | 2008-04-30 | 2009-01-28 | 滁州悦达实业有限公司 | Gasoline passenger car turbocharger with pressure relief protection |
| CN201786446U (en) * | 2010-08-17 | 2011-04-06 | 芜湖杰锋汽车动力系统有限公司 | Gasoline engine turbocharger provided with pressure relief device |
| CN102748123A (en) * | 2012-06-27 | 2012-10-24 | 北京航空航天大学 | Anti-surge control device of turbocharger of aviation piston engine |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106582282A (en) * | 2015-10-14 | 2017-04-26 | 安徽华尔泰化工股份有限公司 | Pressure releasing apparatus for reduction reaction with ammonia |
| CN112012834A (en) * | 2020-09-07 | 2020-12-01 | 潍柴动力股份有限公司 | Gas engine control method and device for power generation, ECU and gas engine for power generation |
| CN112240728A (en) * | 2020-10-28 | 2021-01-19 | 长江存储科技有限责任公司 | Method for improving false alarm of cooling system water flow and semiconductor processing equipment |
| CN112240728B (en) * | 2020-10-28 | 2022-04-19 | 长江存储科技有限责任公司 | Method for improving false alarm of water flow of cooling system of panel and semiconductor processing equipment |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150107 |
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| RJ01 | Rejection of invention patent application after publication |