CN202391614U - Air intake system of turbocharged engine - Google Patents
Air intake system of turbocharged engine Download PDFInfo
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- CN202391614U CN202391614U CN2011204800879U CN201120480087U CN202391614U CN 202391614 U CN202391614 U CN 202391614U CN 2011204800879 U CN2011204800879 U CN 2011204800879U CN 201120480087 U CN201120480087 U CN 201120480087U CN 202391614 U CN202391614 U CN 202391614U
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- stored tank
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Abstract
The utility model relates to an air intake system of a turbocharged engine, belonging to the field of manufacturing machines, and solving a problem that an engine increases delay or reduces output power because response on sudden change of an accelerator is slow due to the inertia function of an impeller in the prior art. The air intake system comprises a throttle valve air channel, a turbocharged gas channel and a pressure storage tank, wherein a control valve is arranged between the throttle valve air channel and the pressure storage tank and can enable the throttle valve air channel and the pressure storage channel in a communication state or a stop state; and the throttle valve air channel is connected with a natural gas inlet pipe capable of enabling air directly to enter the throttle valve air channel. The air intake system of the turbocharged engine, disclosed by the utility model, has the advantages of reducing time difference of turbocharging, improving economical efficiency of fuel of an engine and the like.
Description
Technical field
The utility model belongs to mechanical manufacturing field, relates to the gas handling system of a kind of gas handling system of motor, particularly a kind of turbosupercharged engine.
Background technique
Automobile in the market adopts turbosupercharged engine mostly; Adopting turbo charged main effect is in order to improve the air inflow of motor; Thereby improve the power and the moment of torsion of motor; Let car energeticallyer, and be exactly to improve fuel economy and reduce exhaust emissions on the another one aspect.
The turbosupercharged engine of present stage has only a gas-entered passageway, and promptly air gets into cylinder through air-strainer, turbosupercharger, intercooler, intake manifold.No matter which kind of working state motor is under, and air inlet all must be through pressurized machine, intercooler and long many curved pipelines.The shortcoming of turbogenerator is to lag behind, promptly since the effect of inertia of impeller to throttle when rapid reacting condition slow, make motor postpone to increase or reduce output power.After turbosupercharged engine carries car load; In the time need thereby more air being compressed into motor and obtains bigger power; Because making, the effect of inertia of impeller has a time difference about 2 to 4 seconds; This is for the automobile that will quicken suddenly or overtake other vehicles, and moment can be put forward not sensation energetically a little.
Like one Chinese patent application (notification number: CN201486644U) announced a kind of gas handling system of turbosupercharged engine; It is specifically related to a kind of gas handling system of turbosupercharged engine; Comprise air-strainer, closure, intercooler, gas exhaust manifold, catalytic converter and turbosupercharger; Be provided with bypass line between air-strainer and the intake manifold, bypass line is connected with the control valve of control opening and closing.The problem of its existence is to reduce the time difference that the effect of inertia owing to impeller causes, and can only reduce the loss of pump gas accordingly.
Summary of the invention
The purpose of the utility model is the problems referred to above that exist to existing technology; A kind of gas handling system of turbosupercharged engine has been proposed; This system can effectively reduce the time difference that the effect of inertia owing to impeller causes, and with this power output that changes motor, improves intake efficiency.
The purpose of the utility model can realize through following technical proposal: a kind of gas handling system of turbosupercharged engine; Comprise closure gas channel and turbosupercharging gas channel; It is characterized in that; Be provided with the pressure-stored tank with import and outlet between described closure gas channel and the turbosupercharging gas channel, the import of described pressure-stored tank is connected with the turbosupercharging gas channel, and the outlet of described pressure-stored tank is connected with the closure gas channel; Be provided with between the outlet of described pressure-stored tank and the closure gas channel and can control the above-mentioned control valve that is in connected state between the two or is in cut-off state; Be connected with on the described closure gas channel and can make air directly get into the natural inflow pipeline in the closure gas channel.
Pressure-stored tank can store pressurized gas, when the big power of the instantaneous needs of motor is exported, opens control valve, makes the outlet of pressure-stored tank and closure gas channel be in connected state, and the pressurized gas in the pressure-stored tank directly get into the closure gas channel; And motor is not when needing the output of too much power, closed control valve, and air can directly get into the closure gas channel by the natural inflow pipeline.For example when the car load starting was quickened, motor was directly taken the pressurized gas in the pressure-stored tank, so just can reduce needed 2 to the 4 seconds time difference of general turbosupercharging, and such design can improve the power output of motor, promoted the efficient of air inlet.
In the gas handling system of above-mentioned turbosupercharged engine, described control valve is a solenoid valve one.
In the gas handling system of above-mentioned turbosupercharged engine, described natural inflow pipeline comprises the natural inflow passage that is connected with the closure gas channel and is arranged on the solenoid valve two that can make the natural inflow passage be in connected state on the natural inflow passage or be in cut-off state.When solenoid valve two was in connected state, air directly got into the closure gas channel through behind the air-strainer by the natural inflow passage, had guaranteed the smooth running of motor when not needing too much power to export.
In the gas handling system of above-mentioned turbosupercharged engine, described solenoid valve one all electrically connects with ECU with solenoid valve two; Also electrically connect on the described ECU can the detection of engine bearing load respective sensor.Solenoid valve one and solenoid valve two all with the ECU Electricity Federation, guaranteed that in the same period solenoid valve one and solenoid valve two have only a valve to be in connected state, another valve is in closed state.For example need carry bigger load and not reach when load expection when ECU detects motor, solenoid valve one is opened, and solenoid valve two cuts out, and pressurized gas directly get into the closure gas channel from pressure-stored tank; And when ECU detected motor and need not to carry bigger load, solenoid valve one cut out, and solenoid valve two is opened, and air is by natural inflow passage entering closure gas channel.
In the gas handling system of above-mentioned turbosupercharged engine, described pressure-stored tank is provided with the safety protection mechanism that makes its safe operation.
In the gas handling system of above-mentioned turbosupercharged engine, described safety protection mechanism comprises that the inlet that is arranged on pressure-stored tank is used to prevent that the pressurized gas in the pressure-stored tank are back to the one-way valve in the turbosupercharging gas channel.Turbosupercharging gas channel inlet end is provided with a turbosupercharger; Turbosupercharger and ECU electrically connect; ECU controls turbocharger operation; When the gas pressure of turbosupercharging gas channel inlet end during greater than the gas pressure in the pressure-stored tank, one-way valve opens, pressurized gas get into pressure-stored tank by the turbosupercharging gas channel.And when the gas pressure of turbosupercharging gas channel inlet end was less than or equal to the gas pressure in the pressure-stored tank, one-way valve was closed.The setting of one-way valve has guaranteed that pressurized gas can only get into pressure-stored tank in the turbosupercharging passage, can not be back in the turbosupercharging gas channel.
In the gas handling system of above-mentioned turbosupercharged engine, described safety protection mechanism also comprises the Decompression valves on the tank skin that is arranged on pressure-stored tank.When the gas pressure in the pressure-stored tank surpasses the pressure that pressure-stored tank can bear, the Decompression valves releasing pressure automatically.Decompression valves is set has guaranteed that the gas pressure in the pressure-stored tank in the scope that pressure-stored tank can bear, has guaranteed the safety of pressure-stored tank.
In the gas handling system of above-mentioned turbosupercharged engine, described safety protection mechanism comprises also and is arranged on the gas pressure sensor that the pressure-stored tank outlet port is used to detect the outlet port force value that described gas pressure sensor and ECU electrically connect.Pressure transducer can detect the size of pressure-stored tank outlet pressure, and when pressure transducer detects the pressure in pressure-stored tank outlet port when too small, ECU controls turbocharger operation, and the pressurized gas of generation can be stored in the pressure-stored tank.When pressure transducer detects the pressure in pressure-stored tank outlet port when excessive, the Decompression valves releasing pressure automatically is got rid of excessive pressure.
Compared with prior art; The gas handling system of this turbosupercharged engine is provided with pressure-stored tank; Can store pressurized gas, and pressurized gas can directly get into the closure gas channel, in the car load starting and when quickening; Motor is directly taken the pressurized gas in the pressure-stored tank, has reduced the needed time difference under the general turbosupercharging.
Description of drawings
Fig. 1 is the gas handling system schematic representation of this turbosupercharged engine.
Among the figure, 1, the closure gas channel; 2, turbosupercharging gas channel; 3, pressure-stored tank; 4, natural inflow passage; 5, solenoid valve one; 6, solenoid valve two; 7, one-way valve; 8, pressure transducer; 9, Decompression valves.
Embodiment
Below be the specific embodiment of the utility model and combine accompanying drawing, the technological scheme of the utility model is done further to describe, but the utility model is not limited to these embodiments.
As shown in Figure 1, the gas handling system of this turbosupercharged engine comprises closure gas channel 1, turbosupercharging gas channel 2, has the pressure-stored tank 3 and the natural inflow pipeline of import and outlet.The import of described pressure-stored tank 3 is connected with turbosupercharging gas channel 2; The outlet of pressure-stored tank 3 is connected with closure gas channel 1; Be provided with between the outlet of pressure-stored tank 3 and the closure gas channel 1 and can control the above-mentioned control valve that is in connected state between the two or is in cut-off state, be connected with on the closure gas channel 1 and can make air directly get into the natural inflow pipeline in the closure gas channel 1.
In the present embodiment, control valve is a solenoid valve 1, and solenoid valve 1 is controlled by the ECU Electricity Federation.The natural inflow pipeline comprises the natural inflow passage 4 that is connected with closure gas channel 1 and is arranged on the solenoid valve 26 that can make natural inflow passage 4 be in connected state on the natural inflow passage 4 or be in cut-off state that solenoid valve 26 is also controlled by the ECU Electricity Federation.In practical application; For guaranteeing the Security of pressure-stored tank 3; Pressure-stored tank 3 is provided with safety protection mechanism, and safety protection mechanism comprises that the inlet that is arranged on pressure-stored tank 3 is used to prevent that pressurized gas in the pressure-stored tank 3 are back to one-way valve 7 in the turbosupercharging gas channel 2, are arranged on the Decompression valves 9 on the tank skin of pressure-stored tank 3 and are arranged on the gas pressure sensor 8 that pressure-stored tank 3 outlet ports are used to detect the outlet port force value.The inlet end of turbosupercharging gas channel 2 is connected with turbosupercharger; The outlet side of turbosupercharger is connected with turbosupercharging gas channel 2; The inlet end of turbosupercharger is connected with air-strainer; Natural inflow passage 4 inlet ends can be connected with air-strainer, and air-strainer can be removed airborne objectionable impurities, prevent the wearing and tearing to equipment.Pressure transducer 8 all electrically connects with ECU with turbosupercharger, ECU also electrically connect can the detection of engine bearing load respective sensor.
Behind this system loading car load, one-way valve 7, solenoid valve 1, solenoid valve 26 all are in closed state.When the car load starting is quickened; ECU detects motor needs bigger load; Be badly in need of bigger power output, ECU control electromagnetic valve 1 is opened, and the pressurized gas in the pressure-stored tank 3 directly enter into closure gas channel 1; Quicken the power output of motor, shortened 2 to 4 seconds time than general turbosupercharging.And when ECU detects motor and need not to carry bigger load; ECU control electromagnetic valve one 5 closures; Solenoid valve 26 is opened, and air is directly entered in the closure gas channel 1 by natural inflow passage 4 through behind the air-strainer, can improve the fuel economy of motor like this.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from the spirit of the utility model or surmount the defined scope of appended claims.
Claims (8)
1. the gas handling system of a turbosupercharged engine; Comprise closure gas channel (1) and turbosupercharging gas channel (2); It is characterized in that; Be provided with the pressure-stored tank (3) with import and outlet between described closure gas channel (1) and the turbosupercharging gas channel (2), the import of described pressure-stored tank (3) is connected with turbosupercharging gas channel (2), and the outlet of described pressure-stored tank (3) is connected with closure gas channel (1); Be provided with between the outlet of described pressure-stored tank (3) and the closure gas channel (1) and can control the above-mentioned control valve that is in connected state between the two or is in cut-off state; Be connected with on the described closure gas channel (1) and can make air directly get into the natural inflow pipeline in the closure gas channel (1).
2. the gas handling system of a kind of turbosupercharged engine according to claim 1 is characterized in that, described control valve is a solenoid valve one (5).
3. the gas handling system of a kind of turbosupercharged engine according to claim 2; It is characterized in that described natural inflow pipeline comprises the natural inflow passage (4) that is connected with closure gas channel (1) and is arranged on the solenoid valve two (6) that can make natural inflow passage (4) be in connected state on the natural inflow passage (4) or be in cut-off state.
4. the gas handling system of a kind of turbosupercharged engine according to claim 3 is characterized in that, described solenoid valve one (5) and solenoid valve two (6) all electrically connect with ECU; Also electrically connect on the described ECU can the detection of engine bearing load respective sensor.
5. according to the gas handling system of any described a kind of turbosupercharged engine in the claim 1 to 4, it is characterized in that described pressure-stored tank (3) is provided with the safety protection mechanism that makes its safe operation.
6. the gas handling system of a kind of turbosupercharged engine according to claim 5; It is characterized in that described safety protection mechanism comprises that the inlet that is arranged on pressure-stored tank (3) is used to prevent that the pressurized gas in the pressure-stored tank (3) are back to the one-way valve (7) in the turbosupercharging gas channel (2).
7. the gas handling system of a kind of turbosupercharged engine according to claim 5 is characterized in that, described safety protection mechanism also comprises the Decompression valves (9) on the tank skin that is arranged on pressure-stored tank (3).
8. the gas handling system of a kind of turbosupercharged engine according to claim 5; It is characterized in that; Described safety protection mechanism comprises also and is arranged on the gas pressure sensor (8) that pressure-stored tank (3) outlet port is used to detect the outlet port force value that described gas pressure sensor (8) electrically connects with ECU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204800879U CN202391614U (en) | 2011-11-28 | 2011-11-28 | Air intake system of turbocharged engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204800879U CN202391614U (en) | 2011-11-28 | 2011-11-28 | Air intake system of turbocharged engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202391614U true CN202391614U (en) | 2012-08-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204800879U Expired - Fee Related CN202391614U (en) | 2011-11-28 | 2011-11-28 | Air intake system of turbocharged engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202391614U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109915253A (en) * | 2017-12-12 | 2019-06-21 | 中电科特种飞机系统工程有限公司 | An aircraft and its aero-engine |
-
2011
- 2011-11-28 CN CN2011204800879U patent/CN202391614U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109915253A (en) * | 2017-12-12 | 2019-06-21 | 中电科特种飞机系统工程有限公司 | An aircraft and its aero-engine |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120822 Termination date: 20201128 |