CN101956613A - Electronic accelerator control method - Google Patents

Electronic accelerator control method Download PDF

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Publication number
CN101956613A
CN101956613A CN2010102967552A CN201010296755A CN101956613A CN 101956613 A CN101956613 A CN 101956613A CN 2010102967552 A CN2010102967552 A CN 2010102967552A CN 201010296755 A CN201010296755 A CN 201010296755A CN 101956613 A CN101956613 A CN 101956613A
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motor
throttle
angle transducer
controller
shaft
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CN2010102967552A
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CN101956613B (en
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曾卫东
潘亚敏
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Shanxi Guoli Information Technology Co Ltd
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Shanxi Guoli Information Technology Co Ltd
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  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)

Abstract

The invention relates to restrictor control technology, in particular to an electronic accelerator control method. The electronic accelerator control method is characterized in that: a restrictor control shaft of a throttle valve is connected with a shaft sleeve by a shaft, the shaft sleeve is connected with a motor shaft sleeve through a stay wire, a motor and a controller are fixed in a shell, a differential capacitance angle transducer is arranged between the motor shaft sleeve and the output shaft of the motor, two fixed electrode plates of the differential capacitance angle transducer are fixed with the shell, and one dynamic electrode plate of the differential capacitance angle transducer is fixed with the output shaft of the motor; after receiving an accelerator control command, the controller controls the rotation of the motor according to the command of the controller and the capacitance of the differential capacitance angle transducer; and the output shaft of the motor drives the motor shaft sleeve to rotate, the motor shaft sleeve drives the shaft sleeve to rotate through the stay wire, and the shaft sleeve drives the restrictor control shaft to rotate. The invention provides the electronic accelerator control method with long service life, safety and reliability.

Description

A kind of E-Gas controlling method
Technical field
The present invention relates to the closure control technique, particularly a kind of E-Gas controlling method.
Background technique
Because for a variety of causes such as environmental protection, economy, reliabilities, newer vehicle generally adopts E-Gas now, so-called E-Gas is at former backguy throttle, traditional backguy throttle directly links to each other gas pedal with thin steel rope with solar term, gas pedal to step on the depth directly big or small corresponding with the folding of solar term.
The characteristics of traditional backguy throttle are that system is simple, and control is direct, and gas pedal and solar term aperture are 1: 1; Only characterize driver's operation purpose and the characteristics of E-Gas are gas pedals, and final closure control has been given controller.
By controller control throttle opening, be to detect throttle position sensor by controller, gather throttle opening in real time, position feedback is carried out in closed loop control, throttle position sensor is the only Detecting element of closure state.Throttle position sensor has good linear relationship.Therefore, the voltage signal according to throttle position sensor provides can detect the continuous angle of swing of closure exactly.
Existing throttle position sensor adopts the resistance detection mode of potentiometer structure more, adopts the throttle position sensor of potentiometer structure to exist working life short, and flimsy problem affects the reliability and the Security of E-Gas control system.
Summary of the invention
The purpose of this invention is to provide a kind of long service life, safe and reliable a kind of E-Gas controlling method.
The object of the present invention is achieved like this, a kind of E-Gas controlling method, it comprises: motor, angle transducer, return spring, controller, the throttle control shaft of air throttle and air throttle, it is characterized in that: the throttle control shaft of air throttle is connected with the axle sleeve axle, axle sleeve is connected with motor shaft sleeve by backguy, motor, controller is fixed in the housing, the differential capacitance type angle transducer is arranged between the output shaft of motor shaft sleeve and motor, two fixed electrode films and the housing of differential capacitance type angle transducer are fixed, the moving electrode sheet of differential capacitance type angle transducer and the output shaft of motor are fixed, controller is after receiving the Throttle Opening Control order, rotate according to the order of controller and the Capacity control motor of differential capacitance type angle transducer, the output shaft of motor drives motor shaft sleeve and rotates, motor shaft sleeve drives axle sleeve by backguy and rotates, axle sleeve drives throttle control shaft and rotates, and makes the opening degree of air throttle controlled.
Described motor is stepper motor or servo direct current motor.
The throttle control shaft of described air throttle is connected with return spring, and when the motor dead electricity, return spring is closed air throttle.
Described motor, differential capacitance type angle transducer, controller are fixed in the housing, seal in the environment that closes so that protection differential capacitance type angle transducer and controller are operated in.
Advantage of the present invention is: be made up of angle transducer, controller, servomotor and throttle execution mechanism.Angle transducer is installed in the servomotor output shaft, at any time monitor throttle closure opening degree, change when monitoring the throttle opening degree, understand moment with this direct information controller, controller carries out calculation process to this information and the data information that other system transmits, calculate a control signal, deliver to servomotor by circuit, servomotor drives throttle execution mechanism.Because the E-Gas system adjusts closure by ECU, therefore the E-Gas system can be provided with Security and the travelling comfort that various functions are improved driving, and wherein modal is exactly the ASR(traction control system) and speed control system (Ruiss Controll).
E-Gas is adjusted the best aperture of closure according to sensor feedback information automatically by engine ECU, guarantees optimum mixture ratio, and maximum characteristics are exactly sufficient combustion, and environmental protection is fuel-efficient.And that span wire system is exactly your pedal is big more, and throttle opening is just big more, and air that advances and gasoline are just many more, and characteristics: it is insufficient to burn, not environmental protection, excessive fuel consumption.
Description of drawings
The invention will be further described below in conjunction with embodiment's accompanying drawing:
Fig. 1 is the zero aperture phase diagram of embodiment of the invention structural representation closure;
Fig. 2 is that embodiment of the invention structural representation closure has the aperture phase diagram;
Fig. 3 is the capacitive angular sensor structural representation;
Fig. 4 is closure and position transducer calibration maps;
Fig. 5 is the graph of a relation of throttle opening and pwm control signal.
Among the figure: 1, motor; 2, differential capacitance type angle transducer; 3, return spring; 4, controller; 5, housing; 6, air throttle; 7, throttle control shaft; 8, moving electrode sheet; 9, fixed electrode film; 10, output shaft; 11, backguy; 12, axle sleeve; 13, motor shaft sleeve; 14, axle sleeve fixing frame.
Embodiment
As depicted in figs. 1 and 2, a kind of E-Gas controlling method, which comprises at least: motor 1, angle transducer, return spring 3, controller 4, the throttle control shaft 7 of air throttle 6 and air throttle 6, it is characterized in that: the throttle control shaft 7 of air throttle 6 is connected with 12 on axle sleeve, axle sleeve 12 is connected with motor shaft sleeve 13 by backguy 11, motor 1, controller 4 is fixed in the housing 5, between the output shaft 10 of motor shaft sleeve 13 and motor 1, differential capacitance type angle transducer 2 is arranged, two fixed electrode films 9 of differential capacitance type angle transducer 2 are fixing with housing 5, a moving electrode sheet 8 of differential capacitance type angle transducer 2 is fixing with the output shaft of motor 1 10, controller 4 is after receiving the Throttle Opening Control order, rotate according to the order of controller 4 and the Capacity control motor 1 of differential capacitance type angle transducer 2, the output shaft 10 of motor 1 drives motor shaft sleeve 13 and rotates, motor shaft sleeve 13 drives axle sleeve 12 by backguy 11 and rotates, axle sleeve 12 drives throttle control shaft 7 and rotates, and makes the opening degree of air throttle 6 controlled.
The throttle control shaft 7 of air throttle 6 is connected with return spring 3, and the axle sleeve fixing frame 14 in return spring 3 the other ends and air throttle 6 outsides is fixing, and when motor 1 dead electricity, return spring 3 resets air throttle 6 and closes.
As shown in Figure 3 and Figure 4, differential capacitance type angle transducer 2 comprises two fixed electrode films 9 and a moving electrode sheet 8, fixed electrode film 9 is fixing with housing 5, a moving electrode sheet 8 of differential capacitance type angle transducer 2 is fixing with the output shaft of motor 1 10, controller 4 is after receiving the Throttle Opening Control order, according to the order of controller 4 and the Capacity control motor 1 of differential capacitance type angle transducer 2 throttle control shaft 7 is rotated, when moving electrode sheet 8 rotates, just motor 1 is rotating throttle control shaft 7, differential capacitance type angle transducer 2 output voltages and throttle control shaft rotational angle need be demarcated, as shown in Figure 4.
Motor 1 is stepper motor or servo direct current motor.During work, the output torque of motor 1 is directly proportional with the drive signal dutycycle.When dutycycle increased, motor driving moment was greater than return spring 3 resisting moment, and throttle opening increases; When dutycycle reduced, motor driving moment was less than the Returnning spring resisting moment, and throttle opening reduces.
The throttle control shaft 7 of air throttle 6 is connected with return spring 3, and when motor 1 dead electricity, return spring 3 is closed air throttle 6.
In order to make system's reliably working, motor 1, differential capacitance type angle transducer 2, controller 4 are fixed in the housing 5, seal in the environment that closes so that protection differential capacitance type angle transducer 2 and controller 4 are operated in.
Controller of the present invention adopts single-chip microcomputer, and the frequency of the adjustable pwm signal output of single-chip microcomputer is 10kHz, and EDM Generator of Adjustable Duty Ratio drives direct current generator through after the power amplification.
By rating test, throttle opening and pwm signal dutycycle relation are as shown in Figure 5.Because the influence of non-linear factors such as return spring 3 hysteresis, throttle opening becomes approximate linear with the pwm control signal dutycycle.

Claims (4)

1. E-Gas controlling method, it comprises: motor (1), angle transducer, return spring (3), controller (4), the throttle control shaft (7) of air throttle (6) and air throttle (6), it is characterized in that: the throttle control shaft (7) of air throttle (6) is connected with axle sleeve (12) axle, axle sleeve (12) is connected with motor shaft sleeve (13) by backguy (11), motor (1), controller (4) is fixed in the housing (5), between the output shaft (10) of motor shaft sleeve (13) and motor (1), differential capacitance type angle transducer (2) is arranged, two fixed electrode films (9) of differential capacitance type angle transducer (2) are fixing with housing (5), a moving electrode sheet (8) of differential capacitance type angle transducer (2) is fixed with the output shaft of motor (1), controller (4) is after receiving the Throttle Opening Control order, rotate according to the order of controller (4) and the Capacity control motor (1) of differential capacitance type angle transducer (2), the output shaft (10) of motor (1) drives motor shaft sleeve (13) and rotates, motor shaft sleeve (13) drives axle sleeve (12) by backguy (11) and rotates, axle sleeve (12) drives throttle control shaft (7) and rotates, and makes the opening degree of air throttle (6) controlled.
2. a kind of E-Gas controlling method according to claim 1 is characterized in that: described motor (1) is stepper motor or servo direct current motor.
3. a kind of E-Gas controlling method according to claim 1 is characterized in that: the throttle control shaft (7) of described air throttle (6) is connected with return spring (3), and when motor (1) dead electricity, return spring (3) is closed air throttle (6).
4. a kind of E-Gas controlling method according to claim 1; it is characterized in that: described motor (1), differential capacitance type angle transducer (2), return spring (3), controller (4) are fixed in the housing, seal in the environment that closes so that protection differential capacitance type angle transducer (2) and controller (4) are operated in.
CN201010296755.2A 2010-09-29 2010-09-29 A kind of electronic accelerator control method Active CN101956613B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201010296755.2A CN101956613B (en) 2010-09-29 2010-09-29 A kind of electronic accelerator control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201010296755.2A CN101956613B (en) 2010-09-29 2010-09-29 A kind of electronic accelerator control method

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CN101956613A true CN101956613A (en) 2011-01-26
CN101956613B CN101956613B (en) 2016-06-15

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102705085A (en) * 2012-06-27 2012-10-03 潍柴动力股份有限公司 Accelerator control device and engineering plant
CN107181360A (en) * 2017-05-17 2017-09-19 广州联真电子科技有限公司 A kind of multi-functional pump-control-motor

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4856476A (en) * 1987-07-27 1989-08-15 Mitsubishi Denki Kabushiki Kaisha Apparatus for controlling throttle valve
JPH02275030A (en) * 1989-04-17 1990-11-09 Mitsubishi Electric Corp Throttle valve controller for engine
US6154351A (en) * 1998-02-26 2000-11-28 Denso Corporation Apparatus for detecting abnormality in direct current motor driving system
CN2581941Y (en) * 2002-11-17 2003-10-22 迟路祥 Differential capacitance type angle sensor
CN1541860A (en) * 2003-11-07 2004-11-03 清华大学 Electronic air control shutter drive mechanism
CN2858960Y (en) * 2005-12-05 2007-01-17 比亚迪股份有限公司 Electronic throttle gate driving device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4856476A (en) * 1987-07-27 1989-08-15 Mitsubishi Denki Kabushiki Kaisha Apparatus for controlling throttle valve
JPH02275030A (en) * 1989-04-17 1990-11-09 Mitsubishi Electric Corp Throttle valve controller for engine
US6154351A (en) * 1998-02-26 2000-11-28 Denso Corporation Apparatus for detecting abnormality in direct current motor driving system
CN2581941Y (en) * 2002-11-17 2003-10-22 迟路祥 Differential capacitance type angle sensor
CN1541860A (en) * 2003-11-07 2004-11-03 清华大学 Electronic air control shutter drive mechanism
CN2858960Y (en) * 2005-12-05 2007-01-17 比亚迪股份有限公司 Electronic throttle gate driving device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102705085A (en) * 2012-06-27 2012-10-03 潍柴动力股份有限公司 Accelerator control device and engineering plant
CN102705085B (en) * 2012-06-27 2015-11-18 潍柴动力股份有限公司 A kind of accelerator control device and engineering machinery
CN107181360A (en) * 2017-05-17 2017-09-19 广州联真电子科技有限公司 A kind of multi-functional pump-control-motor
CN107181360B (en) * 2017-05-17 2023-10-31 广州联真电子科技有限公司 Multifunctional pump control motor

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