CN205977395U - Supercharged engine's pressure release system and car - Google Patents
Supercharged engine's pressure release system and car Download PDFInfo
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- CN205977395U CN205977395U CN201621039808.1U CN201621039808U CN205977395U CN 205977395 U CN205977395 U CN 205977395U CN 201621039808 U CN201621039808 U CN 201621039808U CN 205977395 U CN205977395 U CN 205977395U
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- air
- air inlet
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- relief valve
- engine
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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 utility model provides a supercharged engine's pressure release system and car relates to automobile engine technical field. This system includes: the engine, the booster, air cleaner, the intercooler, the air throttle, the air throttle includes: first air throttle part of being connected with the air intake manifold of engine and the second air throttle part of being connected with the first air inlet pipeline of engine, the relief valve that admits air, second air throttle subtotal intercooler is connected respectively through first air inlet pipeline to the relief valve that admits air, connects air cleaner through the second air inlet pipeline of engine, be provided with pressure sensor on the first air inlet pipeline, an open or closed control valve for controlling the relief valve that admits air, it has default distance to admit air between relief valve and the second air throttle part, exceed when predetermineeing the threshold value when pressure sensor's pressure value, the relief valve that admits air is opened, gaseously enters into air cleaner through the second air inlet pipeline. The utility model discloses pipeline simple structure can reduce the pressure release noise that produces at the pressure release in -process.
Description
Technical field
This utility model is related to technical field of automobile engine, more particularly to a kind of pressure relief system of engine with supercharger and
Automobile.
Background technology
Along with the fast development of auto industry, automobile annual growth rate more and more higher, people are to safety, reliability
Property, low oil consumption requirement simultaneously to NVH (Noise, Vibration, Harshness, noise, vibration and sound vibration roughness) will
Ask and also increasingly pay close attention to.Supercharging h type engine h directly influences client as the main noise vibration source of automobile, its NVH quality
Satisfaction to car load, so must pay attention to being pressurized the NVH performance of h type engine h.
For boosting type engine vehicle in normally travel, air is entered into after supercharger by air filter
Combustor is entered into after charge air cooler cooling.During normal vehicle operation, unexpected accelerator releasing, that is, air throttle close immediately, and
Supercharger keeps original state that runs up so that the air inlet pipeline pressure before air throttle continues to increase, in order to ensure to increase
Depressor pressure side impeller is not destroyed, and needs to process into pressure release.When relief valve is opened, because relief valve two ends have very big pressure
Power is poor, cause to exist in pressure leak process significantly " sound of ripping, tittering, frying, burning, etc " sound, form the disappointing noise of engine with supercharger.
Typically adopt Pneumatic mechanical type relief valve or electronic relief valve in prior art, but all can when relief valve works
There is different degrees of disappointing dry sound.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of pressure relief system of engine with supercharger and automobile, thus
The noise producing during the gas handling system pressure release that can solve the problems, such as engine with supercharger in prior art.
In order to solve above-mentioned technical problem, this utility model embodiment adopts the following technical scheme that:
A kind of pressure relief system of engine with supercharger, including:
Electromotor;
The supercharger being connected with the exhaust manifold of described electromotor;
The air filter being connected by the first pipeline with described supercharger;
The charge air cooler being connected by the second pipeline with described supercharger;
Air throttle, described air throttle includes:The first air throttle part of being connected with the inlet manifold of described electromotor and
The second air throttle part being connected with the first air inlet pipeline of described electromotor;
Air inlet relief valve, described air inlet relief valve connects described second throttle valve section respectively by described first air inlet pipeline
Divide and described charge air cooler, described air filter is connected by the second air inlet pipeline of described electromotor;
It is provided with pressure transducer on described first air inlet pipeline;And
For controlling the control valve opened or close of described air inlet relief valve;
Wherein, between described air inlet relief valve and described second air throttle part, there is a predeterminable range;
When the pressure value of described pressure transducer exceedes predetermined threshold value, described air inlet relief valve is opened, and gas passes through institute
State the second air inlet pipeline to enter in described air filter;When the pressure value of described pressure transducer is without departing from described default threshold
During value, described air inlet relief valve closure, gas is entered in described electromotor by described first air inlet pipeline.
Wherein, also include:
For controlling described control valve to open or close the ECU of air inlet relief valve, described ECU and control according to described pressure value
Valve processed connects.
Wherein, described predeterminable range is not more than 5cm.
Wherein, described control valve be automatically controlled three-way control valve, described automatically controlled three-way control valve respectively with described first solar term
Door section, described second air throttle part and described air inlet relief valve connect.
Wherein, described control valve is arranged on described electromotor.
Wherein, when the pressure value of described pressure transducer exceedes predetermined threshold value, described first air throttle part with described
Air inlet relief valve connects, and so that described air inlet relief valve is opened, gas enters into described air filter by described second air inlet pipeline
In clear device.
Wherein, when the pressure value of described pressure transducer is without departing from predetermined threshold value, described second air throttle part and institute
State the connection of air inlet relief valve, make described air inlet relief valve closure, gas by described first air inlet pipeline enter into described in start
In machine.
This utility model also provides a kind of automobile, including the pressure relief system of engine with supercharger as described above.
The having the beneficial effect that of technique scheme of the present utility model:
In such scheme of the present utility model, by by air inlet relief valve near air throttle setting so that air inlet relief valve
The gas releasing is entered into by pipeline in the expansion cavity of the air filter above air throttle, plays good soundproof effect,
And this system pipeline structure is simple, can substantially reduce the pressure release noise producing in pressure leak process.
Brief description
Fig. 1 is the composition structured flowchart of the pressure relief system of engine with supercharger of this utility model embodiment.
Description of reference numerals:
1- electromotor;2- exhaust manifold;3- supercharger;4- first pipeline;5- air filter;6- second pipeline;In 7-
Cooler;8- inlet manifold;9- the first air throttle part;10- first air inlet pipeline;11- the second air throttle part;12- enters diarrhea due to stagnation of QI
Pressure valve;13- second air inlet pipeline;14- control valve;15- pressure transducer.
Specific embodiment
For making the technical problems to be solved in the utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing
And specific embodiment is described in detail.
A kind of the utility model discloses pressure relief system of engine with supercharger, as shown in figure 1, the pressure release of this engine with supercharger
System includes:Electromotor 1;The supercharger 3 being connected with the exhaust manifold 2 of electromotor 1;It is connected by the first pipeline 4 with supercharger 3
Air filter 5;The charge air cooler 7 being connected by the second pipeline 6 with supercharger 3;
Air throttle, air throttle includes:The first air throttle part 9 of being connected with the inlet manifold 8 of electromotor 1 and with start
The second air throttle part 11 that first air inlet pipeline 10 of machine 1 connects;
Air inlet relief valve 12, this air inlet relief valve 12 connects the second air throttle part 11 respectively by the first air inlet pipeline 10
With charge air cooler 7, air filter 5 is connected by second air inlet pipeline 13 of electromotor 1;
It is provided with pressure transducer 15 on this first air inlet pipeline 10;And
For controlling the control valve 14 opened or close of described air inlet relief valve 12;
Wherein, between air inlet relief valve 12 and the second air throttle part 11, there is a predeterminable range;
When the pressure value of described pressure transducer 15 exceedes predetermined threshold value, air inlet relief valve 12 is opened, and gas passes through the
Two air inlet pipelines 13 enter in air filter 5;
When the pressure value of pressure transducer 15 is without departing from described predetermined threshold value, air inlet relief valve 12 closes, and gas passes through
First air inlet pipeline 10 enters in electromotor 1.
It should be noted that the gas in the first pipeline 4 is the gas of non-intensified device 3 supercharging;Gas in second pipeline 6
Body is the gas after intensified device 3 supercharging;Gas in first air inlet pipeline 10 is the gas after charge air cooler 7 cooling.
Here, the pressure transducer 15 being arranged on the first air inlet pipeline 10 is located at relative with the second air throttle part 11
One end of air inlet relief valve 12, for gathering the gas pressure value in the first air inlet pipeline 10.
Specifically, the pressure relief system of the engine with supercharger in this utility model embodiment, also includes:
For controlling described control valve 14 to open or close the ECU of air inlet relief valve 12, described ECU according to described pressure value
It is connected with control valve 14.
Here, ECU is the electronic control unit of automobile.ECU can read the pressure transducer 15 on the first air inlet pipeline 10
Pressure value.
Specifically, described predeterminable range is not more than 5cm.
That is, the distance between air inlet relief valve 12 and the second air throttle part 11 are not more than 5cm, air inlet relief valve
12 install close proximity to air throttle.
Preferably, in the present embodiment, the predeterminable range between air inlet relief valve 12 and the second air throttle part 11 is 5cm.
Preferably, in the present embodiment, control valve 14 is automatically controlled three-way control valve, and this automatically controlled three-way control valve is respectively with first
Air throttle part 9, the second air throttle part 11 and air inlet relief valve 12 connect.
It should be noted that automatically controlled three-way control valve can by flexible pipe respectively with the first air throttle part 9, the second air throttle
Part 11 and air inlet relief valve 12 connect.
Specifically, control valve 14 is arranged on electromotor 1.
It is, automatically controlled three-way control valve is arranged on electromotor 1.Here, can be by installing on the screw of electromotor 1
One support, by control valve 14, that is, automatically controlled three-way control valve is rack-mount.
Specifically, in this utility model embodiment, when the pressure value of pressure transducer 15 exceedes predetermined threshold value, first segment
Valve part 9 is connected with air inlet relief valve 12, so that air inlet relief valve 12 is opened, and gas enters into sky by the second air inlet pipeline 13
In air cleaner 5.
It should be noted that when unclamping throttle in Vehicle Accelerating Period, that is, closed throttle, with control valve 14 even
The ECU connecing reads the pressure value of the pressure transducer 15 on the first air inlet pipeline 10, when described pressure value exceedes predetermined threshold value,
Control valve 14 makes the first air throttle part 9 be connected with air inlet relief valve 12 under control of the ecu, the first air throttle part 9 by
Form negative pressure in burning so that air inlet relief valve 12 is opened, the gas releasing enters into air-filtering by the second air inlet pipeline
In the expansion cavity of device 5.
Here, because the expansion cavity volume of air filter is big, there is good soundproof effect.And, air inlet relief valve
12 install near air throttle, because the negative pressure position that air inlet relief valve 12 is opened and formed will not produce disappointing noise, can be
Bigization ground reduces the disappointing noise producing in pressure leak process.
Specifically, in this utility model embodiment, when the pressure value of pressure transducer 15 is without departing from predetermined threshold value, second
Air throttle part 11 is connected with described air inlet relief valve 12, so that air inlet relief valve 12 is closed, and gas passes through the first air inlet pipeline 10
Enter in electromotor 1.
It should be noted that in automobile normal running, control valve 14, that is, automatically controlled three-way control valve is in the control of ECU
So that the second air throttle part 11 is connected with air inlet relief valve 12 under system so that the pressure at air inlet relief valve 12 two ends is equal, enter
Diarrhea due to stagnation of QI pressure valve 12 closes, and gas enters into normal combustion in described electromotor 1 by described first air inlet pipeline 10.
Here, the pressure relief system of the engine with supercharger that this utility model provides, electronic component installation number is few, pipeline structure
Simply, ECU control strategy is few, can substantially reduce the disappointing noise producing in pressure leak process, and effective protection increases simultaneously
The supercharger of hydraulic motor and pipeline are not damaged.
This utility model also provides a kind of automobile, including the pressure relief system of the engine with supercharger as described in above-described embodiment.
The above is preferred implementation of the present utility model it is noted that ordinary skill for the art
For personnel, on the premise of without departing from principle described in the utility model, some improvements and modifications can also be made, these improvement
Also should be regarded as protection domain of the present utility model with retouching.
Claims (8)
1. a kind of pressure relief system of engine with supercharger is it is characterised in that include:
Electromotor (1);
The supercharger (3) being connected with the exhaust manifold (2) of described electromotor (1);
The air filter (5) being connected by the first pipeline (4) with described supercharger (3);
The charge air cooler (7) being connected by the second pipeline (6) with described supercharger (3);
Air throttle, described air throttle includes:The first air throttle part (9) being connected with the inlet manifold (8) of described electromotor (1)
And the second air throttle part (11) being connected with first air inlet pipeline (10) of described electromotor (1);
Air inlet relief valve (12), described air inlet relief valve (12) connects described second respectively by described first air inlet pipeline (10)
Air throttle part (11) and described charge air cooler (7), connect described air by second air inlet pipeline (13) of described electromotor (1)
Cleaner (5);
It is provided with pressure transducer (15) on described first air inlet pipeline (10);And
For controlling the control valve (14) opened or close of described air inlet relief valve (12);
Wherein, between described air inlet relief valve (12) and described second air throttle part (11), there is a predeterminable range;
When the pressure value of described pressure transducer (15) exceedes predetermined threshold value, described air inlet relief valve (12) is opened, and gas leads to
Cross described second air inlet pipeline (13) to enter in described air filter (5);Pressure value when described pressure transducer (15)
During without departing from described predetermined threshold value, described air inlet relief valve (12) closure, gas passes through described first air inlet pipeline (10) and enters
To in described electromotor (1).
2. the pressure relief system of engine with supercharger according to claim 1 is it is characterised in that also include:
For controlling described control valve (14) to open or close the ECU of air inlet relief valve (12), described ECU according to described pressure value
It is connected with control valve (14).
3. the pressure relief system of engine with supercharger according to claim 1 is it is characterised in that described predeterminable range is not more than
5cm.
4. the pressure relief system of engine with supercharger according to claim 1 is it is characterised in that described control valve (14) is automatically controlled
Three-way control valve, described automatically controlled three-way control valve respectively with described first air throttle part (9), described second air throttle part
(11) and described air inlet relief valve (12) connect.
5. the pressure relief system of engine with supercharger according to claim 4 is it is characterised in that described control valve (14) is arranged at
On described electromotor (1).
6. the pressure relief system of engine with supercharger according to claim 1 is it is characterised in that work as described pressure transducer (15)
Pressure value when exceeding predetermined threshold value, described first air throttle part (9) is connected with described air inlet relief valve (12), make described in enter
Diarrhea due to stagnation of QI pressure valve (12) is opened, and gas is entered in described air filter (5) by described second air inlet pipeline (13).
7. the pressure relief system of engine with supercharger according to claim 1 is it is characterised in that work as described pressure transducer (15)
Pressure value without departing from predetermined threshold value when, described second air throttle part (11) is connected with described air inlet relief valve (12), makes institute
State air inlet relief valve (12) closure, gas is entered in described electromotor (1) by described first air inlet pipeline (10).
8. a kind of automobile is it is characterised in that include the pressure relief system of the engine with supercharger as described in any one of claim 1~7.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621039808.1U CN205977395U (en) | 2016-09-06 | 2016-09-06 | Supercharged engine's pressure release system and car |
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CN201621039808.1U CN205977395U (en) | 2016-09-06 | 2016-09-06 | Supercharged engine's pressure release system and car |
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CN205977395U true CN205977395U (en) | 2017-02-22 |
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CN201621039808.1U Active CN205977395U (en) | 2016-09-06 | 2016-09-06 | Supercharged engine's pressure release system and car |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109026362A (en) * | 2018-08-22 | 2018-12-18 | 浙江吉利控股集团有限公司 | Booster pressure relief system and automobile |
CN109441619A (en) * | 2018-10-24 | 2019-03-08 | 江苏三能动力总成有限公司 | A kind of turbocharged engine ICS intercooler system |
CN109681316A (en) * | 2018-12-28 | 2019-04-26 | 重庆长安汽车股份有限公司 | A kind of air intake structure of turbocharging automobile |
CN113847173A (en) * | 2021-09-16 | 2021-12-28 | 奇瑞汽车股份有限公司 | Supercharged engine air inlet system and supercharged engine |
CN113944553A (en) * | 2021-09-02 | 2022-01-18 | 东风汽车集团股份有限公司 | Method for eliminating air leakage sound |
CN114592974A (en) * | 2021-02-23 | 2022-06-07 | 长城汽车股份有限公司 | Pressure relief method and device for engine pressurization system, storage medium and vehicle |
-
2016
- 2016-09-06 CN CN201621039808.1U patent/CN205977395U/en active Active
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109026362A (en) * | 2018-08-22 | 2018-12-18 | 浙江吉利控股集团有限公司 | Booster pressure relief system and automobile |
CN109441619A (en) * | 2018-10-24 | 2019-03-08 | 江苏三能动力总成有限公司 | A kind of turbocharged engine ICS intercooler system |
CN109681316A (en) * | 2018-12-28 | 2019-04-26 | 重庆长安汽车股份有限公司 | A kind of air intake structure of turbocharging automobile |
CN114592974A (en) * | 2021-02-23 | 2022-06-07 | 长城汽车股份有限公司 | Pressure relief method and device for engine pressurization system, storage medium and vehicle |
CN113944553A (en) * | 2021-09-02 | 2022-01-18 | 东风汽车集团股份有限公司 | Method for eliminating air leakage sound |
CN113944553B (en) * | 2021-09-02 | 2023-04-14 | 东风汽车集团股份有限公司 | Method for eliminating air leakage sound |
CN113847173A (en) * | 2021-09-16 | 2021-12-28 | 奇瑞汽车股份有限公司 | Supercharged engine air inlet system and supercharged engine |
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