CN203098040U - Compound supercharging system of engine - Google Patents
Compound supercharging system of engine Download PDFInfo
- Publication number
- CN203098040U CN203098040U CN2013200091181U CN201320009118U CN203098040U CN 203098040 U CN203098040 U CN 203098040U CN 2013200091181 U CN2013200091181 U CN 2013200091181U CN 201320009118 U CN201320009118 U CN 201320009118U CN 203098040 U CN203098040 U CN 203098040U
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- Prior art keywords
- motor
- engine
- gas compressor
- supercharger
- driven
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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 discloses a compound supercharging system of an engine. The compound supercharging system of the engine comprises a turbine supercharger and a motor-driven supercharger, wherein the turbine supercharger and the motor-driven supercharger are connected in parallel. The motor-driven supercharger comprises a first gas compressor, a motor and an electrically controlled unit, wherein the first gas compressor is driven by the motor, the motor is controlled by the electrically controlled unit which is connected with an electronic control unit (ECU) of the engine, and the motor is controlled to work by reading parameters of the engine. The motor-driven supercharger further comprises a one-way valve which is arranged at a gas exhaust end of the gas compressor. According to the compound supercharging system of the engine, on the basic of an original turbine supercharger, the shunt-wound motor-driven supercharger is additionally arranged, when a diesel engine operates in an accelerating mode or in a low-speed mode, the motor-driven supercharger can rapidly start to operate, high-pressure air pressurized by the motor-drive supercharger pushes away the one-way valve and enters an air inlet system of the engine so as to assist the turbine supercharger to increase an air inflow when the diesel engine is in an accelerating initial stage or in a low speed, and the problems that the turbine supercharger is lagging in response and the low-speed torque of the diesel engine is insufficient are solved.
Description
Technical field
The utility model relates to engine art, particularly a kind of motor combined supercharging system.
Background technique
Turbosupercharger on the dynamic power machine utilizes the dynamic power machine exhaust energy to drive turbine exactly, drives the device that gas compressor improves the dynamic power machine suction pressure.After using turbosupercharger, can utilize a part of exhaust energy, thus better economy, and can increase air inflow after the dynamic power machine use turbosupercharger, and improve burning, can promote engine power.
But compare with the dynamic power machine that does not use turbosupercharger, when motor quickens, because exhaust energy drives turbine and drives the gas compressor compress inlet air there is a lag time, the driver rear engine rotating speed 3-5 that will lag behind that steps on the throttle just can get on more than second, can feel that acceleration is unable, motor booster response is slow.
In addition, during the low engine speed operation, pressurized machine promotes limited to suction pressure, moment of torsion deficiency when causing low engine speed.
The model utility content
The utility model is in order to overcome defective in the above-mentioned prior art, to provide a kind of simple and reasonable, make the motor acceleration responsiveness good, and low speed torque promotes significantly, improves the motor combined supercharging system of low engine speed discharging.
For achieving the above object, provide a kind of motor combined supercharging system according to the utility model, comprise: turbosupercharger parallel with one another and electric booster, electric booster comprises: first gas compressor, motor and ECU (Electrical Control Unit), first gas compressor is by motor driving, the ECU (Electrical Control Unit) that motor then is subjected to be connected with Engine ECU is controlled, and controls the work of described motor by reading engine parameter; Electric booster also comprises: the one-way valve that is arranged on the gas compressor outlet side.
In the technique scheme, turbosupercharger comprises: the turbine and second gas compressor.
In the technique scheme, be connected in series into engine aspirating system after first gas compressor and the second gas compressor parallel connection.
In the technique scheme, after cooling off through intercooler, the inlet air after first gas compressor and the second gas compressor supercharging enters combustion system of engine and fuel mix burning.
Compared with prior art, the utlity model has following beneficial effect: this motor combined supercharging system sets up electric booster in parallel on the basis of original turbosupercharger, when diesel engine acceleration or low cruise, electric booster can start rapidly starts working, push one-way valve open through the high-pressure air of electric booster pressurization and enter engine aspirating system, air inflow when assisting turbosupercharger to increase diesel engine acceleration initial stage and low speed is improved problems such as turbosupercharger response lag, diesel engine low speed torque deficiency.
Description of drawings
Fig. 1 is the schematic representation of motor combined supercharging of the present utility model system;
Description of reference numerals:
The 11-turbine, 12-gas compressor, 2-motor, 31-gas compressor, 32-motor, 33-ECU (Electrical Control Unit), 34-one-way valve, 4-intercooler.
Embodiment
Below in conjunction with accompanying drawing, an embodiment of the present utility model is described in detail, but is to be understood that protection domain of the present utility model is not subjected to the restriction of embodiment.It will be appreciated that, mentioned in the following mode of execution of the present utility model " on ", D score, " left side ", " right side ", " front " and " reverse side " be benchmark with the direction shown in each figure all, these words that are used for limiting direction only are for convenience of explanation, do not represent the restriction to the concrete technological scheme of the utility model.
Motor combined supercharging of the present utility model system sets up electric booster in parallel on the basis of original turbosupercharger, when diesel engine acceleration or low cruise, electric booster can start rapidly starts working, push one-way valve open through the high-pressure air of electric booster pressurization and enter engine aspirating system, air inflow when assisting turbosupercharger to increase diesel engine acceleration initial stage and low speed is improved problems such as turbosupercharger response lag, diesel engine low speed torque deficiency.When electric booster is not worked, one-way valve has separated being connected of electric booster and engine aspirating system, prevent to let out by the electric booster air inlet pipeline through the turbosupercharger air pressurized, make the motor acceleration responsiveness good, low speed torque promotes significantly, improves the low engine speed discharging.
As shown in Figure 1, the concrete structure of this motor combined supercharging system comprises: turbosupercharger parallel with one another and electric booster, turbosupercharger is an existing system, mainly comprise: turbine 11 and gas compressor 12, exhaust energy by motor 2 drives turbine 11, drive the suction pressure that gas compressor 12 improves motor, enter combustion system of engine and fuel mix burning after the air after the supercharging cools off through intercooler.
Electric booster mainly comprises: gas compressor 31, motor 32 and ECU (Electrical Control Unit) 33.Wherein, gas compressor 31 is connected with motor 32, is driven by motor 32; 32 in motor is subjected to ECU (Electrical Control Unit) 33 controls; This ECU (Electrical Control Unit) 33 is connected with the ECU or the sensor of motor 2, by reading the work of engine parameter control motor 32.Electric booster also comprises: the one-way valve 34 that is arranged on gas compressor 31 outlet sides, make the pressurized air pressure have only electric booster just open during greater than the engine aspirating system air pressure, that is to say: it allows air-flow from electric booster gas compressor flow direction engine gas handling system, and does not allow the air inlet pipeline of air by electric booster in the engine aspirating system to let out.
The gas compressor 12 of electric booster composes in parallel the combined supercharging system with the gas compressor 31 of turbosupercharger, and this combined supercharging system connects with engine aspirating system, is the engine aspirating system air feed.
During charge inter cooling motor proper functioning, the turbine 11 that the waste gas that motor 2 is discharged can promote turbosupercharger rotates, drive the inlet air of gas compressor 12 compression engines, inlet air enters combustion system of engine and fuel mix burning after cooling off through intercooler 4.
When motor acceleration or low cruise, the motor 32 of electric booster can start (starting time was less than 1 second) rapidly and start working under the control of ECU (Electrical Control Unit) 33, push one-way valve 34 open through gas compressor 31 air pressurized of electric booster and enter engine aspirating system, air inflow when assisting turbosupercharger to increase diesel engine acceleration initial stage and low speed is improved problems such as turbosupercharger response lag, diesel engine low speed torque deficiency.When electric booster is not worked, the pressure of electric booster air pipe line is lower, closed check valve has separated being connected of electric booster and engine aspirating system, prevents to let out by the electric booster air inlet pipeline through the turbosupercharger air pressurized.
This motor combined supercharging system sets up electric booster in parallel on the basis of original turbosupercharger, when diesel engine acceleration or low cruise, electric booster can start rapidly starts working, push one-way valve open through the high-pressure air of electric booster pressurization and enter engine aspirating system, air inflow when assisting turbosupercharger to increase diesel engine acceleration initial stage and low speed is improved problems such as turbosupercharger response lag, diesel engine low speed torque deficiency.
More than disclosed only be several specific embodiment of the present utility model, still, the utility model is not limited thereto, any those skilled in the art can think variation all should fall into protection domain of the present utility model.
Claims (4)
1. motor combined supercharging system, it is characterized in that, comprise: turbosupercharger parallel with one another and electric booster, described electric booster comprises: first gas compressor, motor and ECU (Electrical Control Unit), described first gas compressor is by motor driving, the ECU (Electrical Control Unit) that described motor then is subjected to be connected with Engine ECU is controlled, and controls the work of described motor by reading engine parameter; Described electric booster also comprises: the one-way valve that is arranged on the gas compressor outlet side.
2. motor combined supercharging according to claim 1 system, it is characterized in that: described turbosupercharger comprises: the turbine and second gas compressor.
3. motor combined supercharging according to claim 2 system is characterized in that: be connected in series into engine aspirating system after described first gas compressor and the second gas compressor parallel connection.
4. according to each described motor combined supercharging system in the claim 1 to 3, it is characterized in that: the inlet air after described first gas compressor and the second gas compressor supercharging enters combustion system of engine after through the intercooler cooling and burns with fuel mix.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200091181U CN203098040U (en) | 2013-01-09 | 2013-01-09 | Compound supercharging system of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200091181U CN203098040U (en) | 2013-01-09 | 2013-01-09 | Compound supercharging system of engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203098040U true CN203098040U (en) | 2013-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013200091181U Expired - Fee Related CN203098040U (en) | 2013-01-09 | 2013-01-09 | Compound supercharging system of engine |
Country Status (1)
| Country | Link |
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| CN (1) | CN203098040U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103912368A (en) * | 2013-01-09 | 2014-07-09 | 广西玉柴机器股份有限公司 | Combined supercharging system for engine |
| CN104832275A (en) * | 2014-12-20 | 2015-08-12 | 北汽福田汽车股份有限公司 | Torque compensation method, device and system of turbosuperchager |
| CN105240114A (en) * | 2015-11-06 | 2016-01-13 | 安徽江淮汽车股份有限公司 | Double supercharged air intake system |
| CN105804896A (en) * | 2014-12-31 | 2016-07-27 | 上海擎掣汽车电子有限公司 | Engine and air inlet system thereof |
| FR3062685A1 (en) * | 2017-02-07 | 2018-08-10 | Valeo Systemes Thermiques | INTAKE AIR MANAGEMENT SYSTEM FOR A THERMAL MOTOR OF A MOTOR VEHICLE |
| US11098682B2 (en) | 2014-12-31 | 2021-08-24 | Shanghai Qingche Automotive Engineering Co., Ltd | Engine and intake system thereof |
-
2013
- 2013-01-09 CN CN2013200091181U patent/CN203098040U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103912368A (en) * | 2013-01-09 | 2014-07-09 | 广西玉柴机器股份有限公司 | Combined supercharging system for engine |
| WO2014107999A1 (en) * | 2013-01-09 | 2014-07-17 | 广西玉柴机器股份有限公司 | Compound supercharging system for engine |
| CN104832275A (en) * | 2014-12-20 | 2015-08-12 | 北汽福田汽车股份有限公司 | Torque compensation method, device and system of turbosuperchager |
| CN105804896A (en) * | 2014-12-31 | 2016-07-27 | 上海擎掣汽车电子有限公司 | Engine and air inlet system thereof |
| CN105804896B (en) * | 2014-12-31 | 2019-02-01 | 上海擎掣汽车电子有限公司 | Engine and its gas handling system |
| US11098682B2 (en) | 2014-12-31 | 2021-08-24 | Shanghai Qingche Automotive Engineering Co., Ltd | Engine and intake system thereof |
| CN105240114A (en) * | 2015-11-06 | 2016-01-13 | 安徽江淮汽车股份有限公司 | Double supercharged air intake system |
| FR3062685A1 (en) * | 2017-02-07 | 2018-08-10 | Valeo Systemes Thermiques | INTAKE AIR MANAGEMENT SYSTEM FOR A THERMAL MOTOR OF A MOTOR VEHICLE |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20170109 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |