CN208982165U - A kind of electric engine additional mechanical supercharging control system - Google Patents
A kind of electric engine additional mechanical supercharging control system Download PDFInfo
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- CN208982165U CN208982165U CN201821832216.4U CN201821832216U CN208982165U CN 208982165 U CN208982165 U CN 208982165U CN 201821832216 U CN201821832216 U CN 201821832216U CN 208982165 U CN208982165 U CN 208982165U
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- compressor
- motor
- exhaust
- auxiliary compressor
- 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
Abstract
The utility model discloses a kind of electric engine additional mechanical supercharging control systems, including exhaust gas compressor, exhaust turbine, exhaust gas compressor connects the inlet manifold of engine by intake channel, exhaust turbine connects the exhaust manifold of engine by exhaust channel, check valve is respectively equipped on intake channel between the exhaust gas compressor and inlet manifold, with the check valve and the air inlet branch road that connects, the air inlet branch road is equipped with auxiliary compressor and drives the motor of the auxiliary compressor, it is to be fixedly connected between the output shaft of motor and the drive shaft of auxiliary compressor, the control terminal of motor connects ECU.The utility model is avoided that compressed air pushes the wheel rotation of auxiliary compressor, the design and use cost for reducing auxiliary compressor, improves auxiliary compressor job stability, guarantees function of the engine.
Description
Technical field
The utility model relates to engine booster control technology fields, more specifically, it relates to a kind of electric engine
Additional mechanical supercharging control system.
Background technique
Traditional turbocharger pushes turbine using the exhaust energy of engine discharge, and turbine drives coaxial compressor
Impeller, impeller will be compressed by the air of air cleaner, and compressed air is sent into cylinder.When starting
When machine revolving speed is promoted, the exhaust gas of engine discharge accelerates to push the operating of turbine, at this point, compressor impeller also sync plus white, with
It compresses more air and enters cylinder.It is bigger into the air pressure in cylinder, it is meant that the atmospheric density in cylinder is bigger, oxygen
Content is consequently increased, and so as to so that more fuel is adequately burnt, and more burning capacity can increase and start
The output power of machine.But when engine is in speed operation, since the energy of exhaust gas is lower, can not push turbine carry out and
When be pressurized, so that driver be made to have a kind of feeling of throttle response not in time, here it is conventional exhaust turbocharger is distinctive
Low speed segment responds braking problems.
Common method is to increase electronic hydraulic booster between exhaust-driven turbo-charger exhaust-gas turbo charger and engine at present, electronic auxiliary
The exhaust gas compressor of the auxiliary compressor and exhaust-driven turbo-charger exhaust-gas turbo charger that help booster is on same intake channel, in addition, auxiliary
The drive shaft of compressor is to be connected by electromagnetic clutch with the output end of electric motor, and Engine ECU controls electric motor
Driving auxiliary compressor operating.This method has the disadvantage that: the compressor due to assisting compressor and exhaust-driven turbo-charger exhaust-gas turbo charger
On same intake channel, the compressed air of exhaust-driven turbo-charger exhaust-gas turbo charger will push impeller when passing through the impeller of auxiliary compressor and turn
It is dynamic, therefore the design service life of compressor is assisted to need, design consistent with the design service life of exhaust-driven turbo-charger exhaust-gas turbo charger
With use cost height；When needing electric motor to export biggish revolving speed or torque in a short time, electromagnetic clutch can not and
When the torque of electric motor passed into auxiliary compressor, in some instances it may even be possible to the phenomenon that will appear skidding.
Utility model content
The technical problems to be solved in the utility model is the above-mentioned deficiency for the prior art, and the utility model provides one kind
It is avoided that compressed air pushes the wheel rotation, the design and use cost for reducing auxiliary compressor, raising of auxiliary compressor auxiliary
Pressing aid mechanism of qi job stability, the electric engine additional mechanical supercharging control system for guaranteeing function of the engine.
Technical scheme of the utility model is as follows: a kind of electric engine additional mechanical supercharging control system, including exhaust gas
Compressor, exhaust turbine, exhaust gas compressor connect the inlet manifold of engine by intake channel, and exhaust turbine passes through row
Gas access connects the exhaust manifold of engine, is respectively equipped with list on the intake channel between the exhaust gas compressor and inlet manifold
To valve, with the check valve and the air inlet branch road that connects, the air inlet branch road is equipped with auxiliary compressor and drives the auxiliary
The motor of compressor, to be fixedly connected between the output shaft of the motor and the drive shaft of the auxiliary compressor, the motor
Control terminal connect ECU.
As a further improvement, further including the rotation speed detection unit being connect respectively with the ECU, distributive value detection list
Member, coolant temperature detection unit, admission pressure detection unit.
Further, the drive shaft of the output shaft of the motor and the auxiliary compressor is same axis.
Further, the motor is 24V direct current generator, and the power end of the motor can connect with the 24V power supply of automobile
It connects.
Further, the admission pressure detection unit is located in the inlet manifold of the engine.
Beneficial effect
The utility model compared with prior art, has the advantage that are as follows:
1, by the way that compressor will be assisted to be arranged in air inlet branch road, when exhaust gas compressor replaces auxiliary compressor to carry out completely
After pressurization, compressed air all passes through check valve and enters inlet manifold, and auxiliary compressor stops completely, is avoided that compressed air pushes away
The wheel rotation of dynamic auxiliary compressor, can according to the actual situation appropriate adjustment auxiliary compressor design service life, reduce it is auxiliary
The design and use cost of pressing aid mechanism of qi；
2, between the output shaft of motor and the drive shaft of electronic auxiliary compressor to be fixedly connected, when need motor in short-term
When the biggish revolving speed of interior output or torque, it is effective to ensure that the real-time responsiveness of electronic auxiliary compressor, overcomes tradition
The shortcomings that torque transmitting can be gone out not in time using electromagnetic clutch in technical solution, the risk of electromagnetic clutch skidding is eliminated,
It improves auxiliary compressor job stability, guarantee function of the engine.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Wherein, 1- exhaust gas compressor, 2- inlet manifold, 3- intake channel, 4- check valve, 5- air inlet branch road, 6- auxiliary pressure
Mechanism of qi, 7- exhaust turbine, 8- engine, 9- exhaust channel, 10- exhaust manifold, 11- motor, 12-ECU, 13- Rotating speed measring
Unit, 14- oil spout amount detection unit, 15- coolant temperature detection unit, 16- admission pressure detection unit, 17-24V power supply,
18- air cleaner, 19- after-treatment device.
Specific embodiment
Specific embodiment in reference to the accompanying drawing is described further the utility model.
Refering to fig. 1, a kind of electric engine additional mechanical supercharging control system, including exhaust gas compressor 1, exhaust turbine 7 are given up
Air pressure mechanism of qi 1 connects the inlet manifold 2 of engine 8 by intake channel 3, and exhaust turbine 7 is started by the connection of exhaust channel 9
The exhaust manifold 10 of machine 8, be respectively equipped on the intake channel 3 between exhaust gas compressor 1 and inlet manifold 2 check valve 4, with it is unidirectional
Valve 4 and the air inlet branch road 5 connect, air inlet branch road 5 are equipped with the motor 11 of auxiliary compressor 6 and driving auxiliary compressor 6, motor 11
Output shaft and assist compressor 6 drive shaft between to be fixedly connected, the control terminal of motor 11 connects ECU12, for controlling
The driving auxiliary compressor 6 of motor 11 works；It further include the rotation speed detection unit 13 being connect respectively with ECU12, distributive value detection list
First 14, coolant temperature detection unit 15, admission pressure detection unit 16 are respectively used to revolving speed, the oil spout of detection engine 8
Amount, coolant temperature, admission pressure；By the way that compressor 6 will be assisted to be arranged in air inlet branch road 5, when exhaust gas compressor 1 takes completely
After generation auxiliary compressor 6 is pressurized, compressed air all passes through check valve 4 and enters inlet manifold 2, and auxiliary compressor 6 is complete
Stop, being avoided that compressed air pushes the wheel rotation of auxiliary compressor 6, appropriate adjustment can assist compressor according to the actual situation
6 design service life reduces the design and use cost of auxiliary compressor 6.
Preferably, the output shaft of motor 11 and auxiliary compressor 6 drive shaft be same axis, when need motor 11 short
When exporting biggish revolving speed or torque in the time, it is effective to ensure that the real-time responsiveness of auxiliary compressor 6, overcomes traditional skill
The shortcomings that will appear torque transmitting not in time using electromagnetic clutch in art scheme, the risk of electromagnetic clutch skidding is eliminated,
Structure is simple, easy for installation, at low cost；Motor 11 is 24V direct current generator, and the power end of motor 11 can be with the 24V power supply of automobile
17 connections, realize the generalization of motor 11, also reduce the design and use cost of battery；Admission pressure detection unit 16
In the inlet manifold 2 of engine 8, the pressure into the compressed air of cylinder is best embodied, guarantees the accuracy of control.
It assists being respectively equipped with the first solenoid valve connecting with ECU12, the second electromagnetism in the air inlet branch road 5 of 6 two sides of compressor
Valve (does not mark) in figure, and when assisting compressor 6 to run, the first solenoid valve, second solenoid valve are opened, when electronic auxiliary compressor
6 it is out of service when, the first solenoid valve, second solenoid valve close, prevent exhaust gas compressor 1 compress air will assist compressor 6
Impeller propelled.
This system structure is simple, high reliablity, more direct to the moment of torsion control of auxiliary compressor 6, and work efficiency is high, can mention
High auxiliary compressor job stability guarantees function of the engine.
The specific plenum of this system and exhaust process it is as follows:
1, fresh air first passes around air cleaner 18, then passes through exhaust gas compressor 1；
2, when the revolving speed of engine 8 is less than preset additional mechanical supercharging revolving speed, the ECU12 control driving auxiliary of motor 11 is calmed the anger
Machine 6 is run, and exhaust gas compressor 1 also rotates together, and due to exhaust energy deficiency, compressed air will mainly pass through auxiliary
Compressor 6 enters the inlet manifold 2 of engine 8, meanwhile, because the both ends of check valve 4 can generate pressure difference, check valve 4
State in closing；
3, when the revolving speed of engine 8 is greater than preset additional mechanical supercharging revolving speed, exhaust energy is gradually increased, and can be pushed useless
Gas turbine 7 runs at high speed, at this point, exhaust gas compressor 1 intervenes the compression process of air inlet, check valve 4 is by exhaust gas compressor 1
The air of compression is washed open, and auxiliary compressor 6 is out of service, and exhaust gas compressor 1 replaces auxiliary compressor 6, the air of compression completely
All enter the inlet manifold 2 of engine 8 by check valve 4；
4, the exhaust gas generated after burning will reach exhaust turbine 7 by the exhaust manifold 10 of engine 8, and push
Exhaust turbine 7 works, and final exhaust gas is discharged into atmosphere after being handled by after-treatment device 19.
Above-described is only preferred embodiments of the present invention, it should be pointed out that is come for those skilled in the art
It says, under the premise of not departing from the utility model structure, several modifications and improvements can also be made, these all will not influence this reality
With the effect and patent practicability of novel implementation.
Claims (5)
1. a kind of electric engine additional mechanical supercharging control system, including exhaust gas compressor (1), exhaust turbine (7), exhaust gas is calmed the anger
Machine (1) connects the inlet manifold (2) of engine (8) by intake channel (3), and exhaust turbine (7) is connected by exhaust channel (9)
The exhaust manifold (10) of sending and receiving motivation (8), it is characterised in that: the air inlet between the exhaust gas compressor (1) and inlet manifold (2)
The air inlet branch road (5) for being respectively equipped with check valve (4) and the check valve (4) on access (3) and connecing, the air inlet branch road (5)
It is equipped with the motor (11) of auxiliary compressor (6) and driving auxiliary compressor (6), the output shaft of the motor (11) and institute
It states to be fixedly connected between the drive shaft of auxiliary compressor (6), the control terminal of the motor (11) connects ECU (12).
2. a kind of electric engine additional mechanical supercharging control system according to claim 1, it is characterised in that: further include difference
The rotation speed detection unit (13) that is connect with the ECU (12), oil spout amount detection unit (14), coolant temperature detection unit
(15), admission pressure detection unit (16).
3. a kind of electric engine additional mechanical supercharging control system according to claim 1, it is characterised in that: the motor
(11) drive shaft of output shaft and auxiliary compressor (6) is same axis.
4. a kind of electric engine additional mechanical supercharging control system according to claim 1, it is characterised in that: the motor
It (11) is 24V direct current generator, the power end of the motor (11) can be connect with the 24V power supply (17) of automobile.
5. a kind of electric engine additional mechanical supercharging control system according to claim 2, it is characterised in that: the air inlet
Pressure sensing cell (16) is located in the inlet manifold (2) of the engine (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821832216.4U CN208982165U (en) | 2018-11-08 | 2018-11-08 | A kind of electric engine additional mechanical supercharging control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821832216.4U CN208982165U (en) | 2018-11-08 | 2018-11-08 | A kind of electric engine additional mechanical supercharging control system |
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| CN208982165U true CN208982165U (en) | 2019-06-14 |
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| CN201821832216.4U Active CN208982165U (en) | 2018-11-08 | 2018-11-08 | A kind of electric engine additional mechanical supercharging control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109252942A (en) * | 2018-11-08 | 2019-01-22 | 广西玉柴机器股份有限公司 | A kind of electric engine additional mechanical supercharging control method and system |
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2018
- 2018-11-08 CN CN201821832216.4U patent/CN208982165U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109252942A (en) * | 2018-11-08 | 2019-01-22 | 广西玉柴机器股份有限公司 | A kind of electric engine additional mechanical supercharging control method and system |
| CN109252942B (en) * | 2018-11-08 | 2023-06-06 | 广西玉柴机器股份有限公司 | Electric auxiliary boost control method and system for engine |
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