CN104763520B - Engine booster method - Google Patents
Engine booster method Download PDFInfo
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- CN104763520B CN104763520B CN201510074190.6A CN201510074190A CN104763520B CN 104763520 B CN104763520 B CN 104763520B CN 201510074190 A CN201510074190 A CN 201510074190A CN 104763520 B CN104763520 B CN 104763520B
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- pressure
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- booster
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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 a kind of engine booster method, it is to increase the electric booster being made up of motor, compressor, transmission mechanism, controller, motor speed sensor, gas pressure sensor etc. before engine air filter, the initial speed of motor is set according to required pressure and compressor characteristics, the outlet pressure of Real-time Collection compressor in the process of running, and according to outlet pressure real-time adjustment motor speed, closed-loop control is formed, outlet pressure stabilization is kept.The present invention is by way of increasing electric booster, solve in the case of plateau low pressure, the problem of motor/generator group power drop and shock load the ability reduction caused by entering unsaturated vapor, motor does not receive effects of air pressure, power output can be recovered to Plain level, be that other machinery supercharging mode cannot surmount.
Description
Technical field
The present invention relates to a kind of engine booster technology, and in particular to a kind of engine booster method and supercharging device.
Background technology
Motor/generator group relies on burning fuel, and chemical energy is converted into mechanical/electrical energy.In high altitude low air pressure
In the case of, due to entering unsaturated vapor, oxygen is not enough and working media is not enough when causing to burn so that combustion conditions deteriorate so that send out
Motivation/generating set power output declines a lot, and influence is normally used.
The booster that current engine is used mainly has mechanical supercharger and exhaust-driven turbo-charger exhaust-gas turbo charger.Mechanical supercharger by
Engine drives compressor by transmission mechanism, improves admission pressure.Exhaust-driven turbo-charger exhaust-gas turbo charger is using the energy of engine exhaust
Amount, drives turbine and its rotation acting of coaxial mounted compressor, the atmospheric density for entering engine chamber is improved, so as to increase
Plus engine power.In addition with types such as wave pressure supercharger, resonance air inlet pipe, but do not use independently generally.Engine driven supercharging
The shortcoming of device is：1 and engine fixed drive ratio connection, pressurized effect with engine speed change, it is impossible to adjust as needed
So that engine performance and compressor are all in optimum state, after height above sea level is raised, admission pressure is with atmospheric pressure reduction for pressure ratio
Reduce；2nd, when not needed, it is impossible to will connect and disengage to reduce the power attenuation of engine；3rd, need to take certain engine
Power output interface simultaneously receives output interface power limit；4 and engine the connection of transmission mechanism and gas circuit it is complicated.
The shortcoming of exhaust-driven turbo-charger exhaust-gas turbo charger is：1st, only in big load, just have enough exhaust energies for drive pressure
Mechanism of qi does work；2nd, the power drop that cannot completely overcome High aititude to bring；3rd, rotate used because exhaust gas turbine-compressor is present
Amount, in addition, there is operating lag in the rate limitation of intake and exhaust flowing for shock load.
The content of the invention
The technical problem to be solved in the invention is to provide one kind in the case of plateau low pressure, recovers engine/generating
Unit power output is to normal level, engine booster method and supercharging device that power output is not reduced.
In order to solve the above technical problems, the technical solution adopted in the present invention is：
A kind of engine booster method, is to increase electric booster before engine air filter, and the electric booster is by motor
Drive, the compressor characteristics configured according to required pressure and the electric booster set the initial speed of motor, in fortune
The outlet pressure of Real-time Collection electric booster compressor during row, and according to outlet pressure real-time adjustment motor speed, shape
Into closed-loop control, outlet pressure stabilization is kept；The electric booster includes motor, compressor, transmission mechanism, controller, electricity
Machine speed probe, gas pressure sensor, the gas pressure sensor include that barometric pressure sensor, compressor go out air pressure
Force snesor, wherein motor connect compressor, blower outlet connection engine air inlet tube, controller output end through transmission mechanism
Connection motor, controller input connection gas pressure sensor and motor speed sensor, controller uses Single-chip Controlling
Circuit, gathers the pressure signal of each gas pressure sensor and the tach signal of motor speed sensor, by control program,
The driving control signal of output control motor.Motor rotation drives compressor to be pressurized through transmission mechanism, and single-chip microcomputer is according to anti-
The compressor outlet pressure of feedback, adjusts motor speed, keeps outlet pressure stabilization.
Further, required pressure is the difference for setting pressure and the real atmosphere pressure of detection, when engine is common
Engine, when not having other boosters, the setting pressure is normal atmospheric pressure, when having other boosters, sets pressure
It is the real-time differential pressure for calculating, the differential pressure is normal atmospheric pressure and the difference of other booster outlet pressures.
Observing electric booster boost conditions in order to directly perceived, and prevent controller, sensor, motor etc. from breaking down causes
Hypertonia, on engine air inlet tube install pressure gauge and relief valve.
When engine configuration during other boosters, also to increase other booster outlet pressure sensors, the sensor
The input of controller is connected, control is participated in.
By adopting the above-described technical solution, the technological progress that the present invention is obtained is：
The present invention is solved in the case of plateau low pressure, by entering unsaturated vapor institute by way of increasing electric booster
Caused motor/generator group power drop and the problem of shock load ability reduction, motor do not receive effects of air pressure, can be by
Power output is recovered to Plain level, is that other machinery supercharging mode cannot surmount.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is present procedure flow chart；
Fig. 3 is detection control flow chart of the present invention for non-supercharged engine；
Fig. 4 is detection control flow chart of the present invention for engine with supercharger；
Wherein：1st, pressure gauge, 2, relief valve, 3, compressor outlet pressure sensor, 4, air inlet pipe, 5, compressor, 6, electricity
Machine, 7, controller, 8, transmission mechanism.
Specific embodiment
The present invention is described in further details with reference to embodiment：
The present invention for solve in the case of plateau low pressure, entering unsaturated vapor caused by motor/generator group
Power drop and the problem of shock load ability reduction.
The present invention provides a kind of solution motor/generator group power drop and shock load in the case of plateau low pressure
Ability reduction method, the method is to increase electric booster before motor/generator group air filter, the electric booster by
Motor drives, and drives compressor, the atmospheric density for entering engine is returned into Plain level or a certain median, so as to improve
The combustion process of engine, reduces oil consumption and row's temperature, and recover the power output of engine.The electric booster is pressed according to needed for
The compressor characteristics that power and the electric booster are configured set the initial speed of motor, in the process of running Real-time Collection
The outlet pressure of electric booster compressor, and according to outlet pressure real-time adjustment motor speed, closed-loop control is formed, keep out
Atmospheric pressure stabilization.Pressure needed for above-mentioned is the difference of the setting pressure in controller and the real atmosphere pressure of detection, for non-
Engine with supercharger, by electric booster at engine air inlet tube, Plain water is returned to by the atmospheric density for entering engine
It is flat（Standard atmospheric pressure）, it is described setting pressure be normal atmospheric pressure.For engine with supercharger, by electric booster mounted in hair
Between motivation air filter and other boosters, the atmospheric density for entering engine is returned into a certain median, the setting pressure
Power is the real-time differential pressure for calculating, and the differential pressure is normal atmospheric pressure and the difference of other booster outlet pressures.
Engine booster method of the invention needs electric booster to realize, based on the above method and prior art,
Inventor devises a kind of enginer supercharging device, as shown in figure 1, the device includes motor 6, compressor 5, transmission mechanism 8, control
Device processed 7, motor speed sensor（On motor shaft, using encoder, do not marked in figure）, gas pressure sensor,
Described gas pressure sensor includes barometric pressure sensor（Input controller, does not mark in figure）, compressor outlet pressure
Sensor 3, wherein motor 6 is through transmission mechanism 8（Can be the transmission of belt transmission, chain drive, or change gear box,
The present invention is using change gear box transmission）Connection compressor 5, the outlet connection engine air inlet tube 4 of compressor 5, controller 7 is exported
End connection motor 6, controller input connection gas pressure sensor and motor speed sensor, controller uses single-chip microcomputer control
Circuit processed, gathers the pressure signal of each gas pressure sensor and the tach signal of motor speed sensor, by controlling journey
Sequence, the driving control signal of output control motor, motor rotation through transmission mechanism drive compressor be pressurized, single-chip microcomputer according to
The compressor outlet pressure of feedback, adjusts motor speed, keeps outlet pressure stabilization.
Observing electric booster boost conditions in order to directly perceived, and prevent controller, sensor, motor etc. from breaking down causes
Hypertonia, on engine air inlet tube install pressure gauge 1 and relief valve 2, the releasing pressure automatically when outlet pressure is too high；Operation
Person can also in time have found the too high or too low failure of outlet pressure by pressure gauge.
When engine configuration during other boosters, also to increase other booster outlet pressure sensors, the sensor
The input of controller is connected, control is participated in.
Operation principle：
Fig. 2 show control program flow chart of the present invention, and in normal work, controller reads atmospheric pressure, according to pressure
Mechanism of qi performance data selects corresponding speed curves as the setting value of motor speed.In operation in real time read outlet pressure and
Motor speed, adjustment motor speed makes outlet pressure stabilization in time, and recognizes failure, takes corresponding safeguard measure.
By taking turbocharged engine as an example, in zero load, compressor outlet pressure is disposed proximate in Plain air pressure（Mark
Quasi- atmospheric pressure, sets according to non-supercharged engine, and detection control flow is as shown in Figure 2）, it is ensured that engine combustion is good and prominent
Margin of power during loading.During band heavy load stable state, because the exhaust-driven turbo-charger exhaust-gas turbo charger that engine is carried has compensation plateau
The ability that air pressure declines, therefore on the premise of air mass flow is ensured, suitably reduce compressor delivery pressure（Pressure is set as real
When the normal atmospheric pressure that calculates and turbocharger outlet pressure difference, detection control flow is as shown in Figure 3）.So can
Reduce the power consumption of generator, moreover it is possible to prevent from causing engine charge pressure too high due to the secondary booster of turbocharger.
The releasing pressure automatically when outlet pressure is too high.Operator can also in time have found the too high or too low event of outlet pressure by pressure gauge
Barrier.
Application example effect：
By taking BF8M1015C supercharged diesel engines as an example, on Plain power for 400kW engine, to height above sea level 3500m after work(
Rate loses 22.5%, i.e. 90kW.And unloaded admission pressure is returned into Plain level, the power of compressor acting is 4kW.Press
Compressor efficiency 60%, motor efficiency 90%, transmission mechanism efficiency 95% are calculated, and electric booster only needs to consume the power of 8kW
Engine charge pressure to Plain level can be recovered.
Claims (2)
1. a kind of engine booster method, it is characterised in that：Increase electric booster before engine air filter, the electric booster
According to required pressure and electric booster compressor characteristics setting motor initial speed, the electronic increasing of Real-time Collection in running
Depressor compressor outlet pressure, motor speed is adjusted according to outlet pressure, forms closed-loop control；The electric booster includes electricity
Machine（6）, compressor（5）, transmission mechanism（8）, controller（7）, motor speed sensor, gas pressure sensor, the gas
Pressure sensor includes barometric pressure sensor, compressor outlet pressure sensor（3）, wherein motor（6）Through transmission mechanism（8）
Connection compressor（5）, compressor（5）Outlet connection engine air inlet tube（4）, controller（7）Output end connects motor（6）, control
Device input processed connects gas pressure sensor and motor speed sensor, and controller uses single chip machine controlling circuit, and collection is each
The pressure signal of gas pressure sensor and the tach signal of motor speed sensor, by control program, output control electricity
The driving control signal of machine, required pressure is the difference for setting pressure and the real atmosphere pressure of detection, when engine is without other
During booster, pressure as normal atmospheric pressure is set, when there are other boosters, set pressure as the real-time standard atmospheric pressure for calculating
The difference of power and other booster outlet pressures.
2. engine booster method according to claim 1, it is characterised in that：Also include pressure gauge（1）, relief valve（2）,
Described pressure gauge（1）And relief valve（2）Installed in engine air inlet tube（4）On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510074190.6A CN104763520B (en) | 2015-02-12 | 2015-02-12 | Engine booster method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510074190.6A CN104763520B (en) | 2015-02-12 | 2015-02-12 | Engine booster method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104763520A CN104763520A (en) | 2015-07-08 |
| CN104763520B true CN104763520B (en) | 2017-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510074190.6A Active CN104763520B (en) | 2015-02-12 | 2015-02-12 | Engine booster method |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113250810B (en) * | 2021-06-29 | 2021-10-01 | 四川迅联达智能科技有限公司 | Method and system for stabilizing intake pressure of two-stroke engine |
| CN114352402B (en) * | 2022-01-17 | 2024-05-28 | 中船重工(重庆)西南装备研究院有限公司 | Supercharger self-adaptive control system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1528613A (en) * | 2003-10-01 | 2004-09-15 | 时国庆 | Car petrol engine computer-controlled electric intake supercharging system |
| JP4124143B2 (en) * | 2004-03-04 | 2008-07-23 | トヨタ自動車株式会社 | Control device for supercharger with electric motor |
| JP2007321687A (en) * | 2006-06-02 | 2007-12-13 | Denso Corp | Control device for internal combustion engine with turbocharger |
| CN201041073Y (en) * | 2007-03-19 | 2008-03-26 | 刘忠保 | Electronic control injection gasoline engine air inlet system |
| JP2010116896A (en) * | 2008-11-14 | 2010-05-27 | Mitsubishi Electric Corp | Control device for internal combustion engine |
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| CN104763520A (en) | 2015-07-08 |
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