CN102562332A - Device for controlling fuel amount of engine and openness of throttle valve - Google Patents
Device for controlling fuel amount of engine and openness of throttle valve Download PDFInfo
- Publication number
- CN102562332A CN102562332A CN2012100631758A CN201210063175A CN102562332A CN 102562332 A CN102562332 A CN 102562332A CN 2012100631758 A CN2012100631758 A CN 2012100631758A CN 201210063175 A CN201210063175 A CN 201210063175A CN 102562332 A CN102562332 A CN 102562332A
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- stepper motor
- control mechanism
- gear
- motor gear
- tooth bar
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- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
The invention discloses a device for controlling the fuel amount of an engine and the openness of a throttle valve. The existing device is difficult to realize force amplification and is less in stroke. The device comprises a stepping motor, a stepping motor gear, sector gears with unequal radiuses, a controller, a control mechanism and a connecting device, wherein the stepping motor drives the stepping motor gear by an output shaft of the stepping motor; the stepping motor gear is meshed with long-radius positions of the sector gears with the unequal radiuses; the controller is connected with a rotating speed sensor and the stepping motor respectively by wire bundles; and the control mechanism is connected with the sector gears with the unequal radiuses, and the connecting device is connected with the control mechanism. The device has the advantages that the requirements for large torque and large stroke of various application occasions can be met, the transmission ratio of a transmission gear can be reasonably adjusted, and the fast and accurate control on the control mechanism is realized. Simultaneously, the device is simple in structure and low in cost and is beneficial to large-batch production and promotion.
Description
Technical field
The invention belongs to the electromechanical equipment technical field, relate in particular to a kind of motor fuel amount and FIPOT Fast Idle Dashpot.
Background technique
In motor fuel control, adopt proportion electro-magnet or rotary magnet as final controlling element usually; The driving fuel control gear; This final controlling element output torque is bigger; Adopt the principle control controlled device of the two feedbacks of position and rotating speed, the cost of final controlling element and sensor is mainly used in the bigger motor of power all than higher.And adopt stepper motor to carry out the motor fuel control gear of positioning control, and cancelled position transducer, the final controlling element output current does not change with the position aperture, be difficult for heating to damage, and the cost of final controlling element and sensor is all lower.
But adopt stepper motor to carry out precision, stroke and speed of response that motor fuel control needs to solve control gear: precision refers in this motor fuel amount control procedure; The minimum change of fuel quantity will reach certain standard, and this just requires the position minimum change of driving output block in this motor fuel control gear enough little; Stroke refers to the gamut of fuel quantity from zero to greatest amount of fuel that the position of driving output block in this motor fuel control gear answers the covering engine fuel supplying device to be supplied with, and makes and starts function to reach nominal power and shutdown, and leave certain surplus.Speed of response is meant when engine operating condition changes, and through the control of this motor fuel control gear, the stabilization of speed that makes motor will enough be lacked to the time of rotating speed of target, also should satisfy the requirement of overshoot simultaneously.
When addressing the above problem, also require control system can make the controlling object power-off restoration.In the work of the controlled device positioning control relevant with the absolute position of stepper motor, stepper motor cuts off the power supply not that return will cause and can not control accurately controlled device.In motor fuel control occasion, stepper motor not return possibly also can cause and can not shut down serious problems such as driving.
The patent No. is that 200810059540.1 control system addresses the above problem basically, but still exists a little not enough.Because it is direct transmission, force transmission ratio is 1:1, and amplification that can not realizable force is difficult to driving torque and requires bigger occasion: such as the tooth bar control of P type pump in upright arrangement, the gas engine closure control that flow-rate ratio is bigger etc.; Because the patent No. is the influence that 200810059540.1 control system receive the kind of drive, rocking bar can reduce by transmitting torque in rotation angle big time institute, and range also is restricted.
Summary of the invention
The objective of the invention is deficiency, proposed a kind of motor fuel amount and FIPOT Fast Idle Dashpot to existing technology.
The present invention realizes through following scheme:
The present invention includes stepper motor, stepper motor gear, radius unequal tooth sector, controller, control mechanism and connection set.Stepper motor drives the stepper motor gear through the stepper motor output shaft, stepper motor gear and the engagement of radius unequal tooth sector semi major axis place, and controller is connected with speed probe, stepper motor respectively through wire harness; Control mechanism is connected with the radius unequal tooth sector, and connection set is connected with control mechanism.
When described control gear was a pump tooth bar in upright arrangement, the present invention also comprised fuel cut-off handle; Described connection set comprises block, positioning screwn, positioning baffle, return spring; Fuel cut-off handle is arranged on the body periphery, the tooth bar of pump tooth bar in upright arrangement and the engagement of radius unequal tooth sector short radius place; Block, positioning baffle all are fixedly connected with pump tooth bar in upright arrangement; Return spring one end is fixed in body, and the other end is fixedly connected with pump tooth bar in upright arrangement; Positioning screwn is arranged on the body; Stepper motor drives the stepper motor gear through the stepper motor output shaft, stepper motor gear and the engagement of radius unequal tooth sector semi major axis place, pump tooth bar in upright arrangement and the engagement of radius unequal tooth sector short radius place.
Described control gear is the closure rotary valve, and described connection set comprises positioning baffle, transmission shaft, torsion spring, rocking arm; Gearwheel is connected with transmission shaft, and torsion spring one end is fixed in body, and the other end links to each other with rocking arm, and positioning baffle is fixed on the body, and the closure rotary valve passes through screw on transmission shaft; Stepper motor drives the stepper motor gear through the stepper motor output shaft, stepper motor gear and gearwheel engagement.
Described closure rotary valve is oval; When it is closed, the closure rotary valve in air flue, become with the air flue axis 45
60 °.
Beneficial effect of the present invention is following:
Characteristics such as the invention belongs to digital and electronic controlling type device, digital electrical minor device compares the mechanical device controlling type and simulation electronic device controlling type has the control accuracy height, regulates simply, and adaptive capacity is strong; Improvement to driving mechanism; Make the present invention have output torque and the big characteristics of stroke, can satisfy big moment, the requirement of big stroke in various applications; And can rationally regulate the velocity ratio of stepper motor parameter and driving gear; Realization is quick to control mechanism, and accurately control can realize the requirement to various motor fuel amounts controls application institute; The present invention adopts the power-off restoration function, and after outage or fault, stepper motor is got back to certain preposition under external force, has realized the control to control gear better.
Description of drawings
Fig. 1 is the apparatus for controlling engine fuel quantity schematic representation of the embodiment of the invention 1,
Fig. 2 is the apparatus for controlling engine fuel quantity schematic representation of the embodiment of the invention 2,
Fig. 3 is that the A of Fig. 2 view is to view.
Among the figure; Fuel cut-off handle 1, block 2, pump tooth bar in upright arrangement 3, radius unequal tooth sector 4, stepper motor 5, stepper motor gear 6, stepper motor output shaft 7, speed probe 8, controller 9, camshaft gear wheel 10, camshaft 11, positioning baffle 12, positioning screwn 13, return spring 14, rocking arm 15, bearing 16, torsion spring 17, gearwheel 18, closure rotary valve 19, transmission shaft 20, screw 21.
Embodiment
Below in conjunction with accompanying drawing the present invention is described further.
The present invention includes stepper motor 5, stepper motor gear 6, tooth sector 4, controller 9, control mechanism and connection set.Stepper motor 5 drives stepper motor gear 6 through stepper motor output shaft 7, stepper motor gear 6 and the engagement of radius unequal tooth sector 4 semi major axis places, and controller 9 is connected with speed probe 8, stepper motor 5 respectively through wire harness; Control mechanism is connected with radius unequal tooth sector 4, and connection set is connected with control mechanism;
Control mode of the present invention is following:
Satisfy at stepper motor 5 and to have under the certain rated speed and output torque; Controller is according to input information; Judge the current operating mode of motor, the certain control algorithm of process obtains the stepping amount of stepper motor, and controller forwards predetermined angle to through certain range of excitation mode activated stepper motor then; Stepper motor 5 drives the motion of motor fuel amount control mechanism through driving mechanism, realizes the control to engine operating condition.
The present invention is when following electricity, and stepper motor is positioned certain through positioning baffle and confirms the position under the effect of return spring pretightening force; After powering on; Controller is confirmed the present engine operating mode according to each sensor signal; Obtain the oil mass that present engine should be supplied with through certain algorithm; Convert the target location of stepper motor then to, the driving mode drive stepping motor that is provided with controller by the output driver module of controller at last is to the target location.
As shown in Figure 1, comprise fuel cut-off handle 1 with pump tooth bar 3 in upright arrangement as the apparatus for controlling engine fuel quantity of control gear, connection set comprises block 2, positioning screwn 13, positioning baffle 12, return spring 14; Fuel cut-off handle 1 is arranged on the body periphery, the tooth bar of pump tooth bar 3 in upright arrangement and the engagement of radius unequal tooth sector 4 short radius places; Block 2, positioning baffle 12 all are fixedly connected with pump tooth bar 3 in upright arrangement; Return spring 14 1 ends are fixed in body, and the other end is fixedly connected with pump tooth bar 3 in upright arrangement; Positioning screwn 13 is arranged on the body; Stepper motor 5 drives stepper motor gear 6 through stepper motor output shaft 7, stepper motor gear 6 and the engagement of radius unequal tooth sector 4 semi major axis places, pump tooth bar 3 in upright arrangement and the engagement of radius unequal tooth sector 4 short radius places.
Under the motor fuel control gear; Or controller 9 cuts off the electric current of stepper motor 5; Or when abnormal conditions stepper motor 5 outage occurring; Under the effect of return spring 14, return spring 14 drives pump tooth bar in upright arrangement 3, radius unequal tooth sector 4, stepper motor gear 6 and stepper motor output shaft 7 returns, and fuel delivery is zero.Under the effect of positioning screwn 13 and positioning baffle 12, above-mentioned positioning parts is in position as shown in Figure 1.
Like Fig. 2, shown in Figure 3, with the apparatus for controlling engine fuel quantity bag of closure rotary valve 17 as control gear.Said connection set comprises positioning baffle 12, transmission shaft 20, torsion spring 17, rocking arm 15; Gearwheel 18 is connected with transmission shaft 20; Torsion spring 17 1 ends are fixed in body, and the other end links to each other with rocking arm 15, and positioning baffle 12 is fixed on the body; Transmission shaft 20 is fixed on the body through bearing 16, and closure rotary valve 19 is fixed on the transmission shaft 20 through screw 21; Stepper motor 5 drives stepper motor gear 6 through stepper motor output shaft 7, stepper motor gear 6 and gearwheel 18 engagements.
Under the motor fuel control gear; Or controller 9 cuts off stepper motor 5 electric currents; Or when abnormal conditions stepper motor 5 outage occurring; Under return spring 17 effects, return spring 17 drives transmission shaft 20, gearwheel 18, stepper motor gear 6 and stepper motor output shaft 7 returns, and closure rotary valve 17 cuts out at this moment.Its reset position is by positioning baffle 12 and the rocking arm 15 interaction decisions of being fixed on the transmission shaft 20.
As shown in Figure 3, be the mounting type of closure rotary valve 19 in the closure passage.In order to form quick control to the closure flow; Closure rotary valve 19 is oval; When it is closed, closure rotary valve 19 in air flue, become with the air flue axis 45
60 °.
Claims (2)
1. motor fuel amount and FIPOT Fast Idle Dashpot is characterized in that: comprise stepper motor (5), stepper motor gear (6), radius unequal tooth sector (4), controller (9), control mechanism and connection set; Stepper motor (5) drives stepper motor gear (6) through stepper motor output shaft (7); Stepper motor gear (6) and the engagement of radius unequal tooth sector (4) semi major axis place, controller (9) is connected with speed probe (8), stepper motor (5) respectively through wire harness; Control mechanism is connected with radius unequal tooth sector (4), and connection set is connected with control mechanism;
Said control mechanism is a pump tooth bar in upright arrangement (3), and described motor fuel amount and FIPOT Fast Idle Dashpot also comprise fuel cut-off handle (1); Described connection set comprises block (2), positioning screwn (13), positioning baffle (12), return spring (14); Fuel cut-off handle (1) is arranged on the body periphery, the tooth bar of pump tooth bar in upright arrangement (3) and the engagement of radius unequal tooth sector (4) short radius place; Block (2), positioning baffle (12) all are fixedly connected with pump tooth bar in upright arrangement (3); Return spring (14) one ends are fixed in body, and the other end is fixedly connected with pump tooth bar in upright arrangement (3); Positioning screwn (13) is arranged on the body; Stepper motor (5) drives stepper motor gear (6) through stepper motor output shaft (7); Stepper motor gear (6) and the engagement of radius unequal tooth sector (4) semi major axis place, pump tooth bar in upright arrangement (3) and the engagement of radius unequal tooth sector (4) short radius place;
Described control mechanism is closure rotary valve (19), and described connection set comprises positioning baffle (12), transmission shaft (20), torsion spring (17), rocking arm (15); Gearwheel (18) is connected with transmission shaft (20), and torsion spring (17) one ends are fixed in body, and the other end links to each other with rocking arm (15), and positioning baffle (12) is fixed on the body, and closure rotary valve (19) passes through screw on transmission shaft (20); Stepper motor (5) drives stepper motor gear (6) through stepper motor output shaft (7), stepper motor gear (6) and gearwheel (18) engagement.
2. motor fuel amount according to claim 1 and FIPOT Fast Idle Dashpot; It is characterized in that: closure rotary valve (19) is for oval; When it is closed, closure rotary valve (19) in air flue, become with the air flue axis 45
60 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100631758A CN102562332A (en) | 2012-03-12 | 2012-03-12 | Device for controlling fuel amount of engine and openness of throttle valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100631758A CN102562332A (en) | 2012-03-12 | 2012-03-12 | Device for controlling fuel amount of engine and openness of throttle valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102562332A true CN102562332A (en) | 2012-07-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100631758A Pending CN102562332A (en) | 2012-03-12 | 2012-03-12 | Device for controlling fuel amount of engine and openness of throttle valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102562332A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103590908A (en) * | 2012-08-15 | 2014-02-19 | 李嘉军 | Electronic throttle assembly for Mazda cars |
| CN108266085A (en) * | 2017-12-21 | 2018-07-10 | 重庆长安汽车股份有限公司 | A kind of side window glass slide-open mechanism |
| CN111305955A (en) * | 2020-02-24 | 2020-06-19 | 重庆红江机械有限责任公司 | Speed regulator actuator |
| CN114671286A (en) * | 2022-03-29 | 2022-06-28 | 南通人民彩印有限公司 | Rubber coating machine for printed matter |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2229893Y (en) * | 1995-07-18 | 1996-06-26 | 李扬荣 | Device for automatically controlling vehicle speed, operated by accelerator pedal |
| CN1405439A (en) * | 2002-10-31 | 2003-03-26 | 重庆大学 | Automatic control device of throttle valve for engine |
| US6575427B1 (en) * | 1999-11-10 | 2003-06-10 | Visteon Global Technologies, Inc. | Electronic throttle control mechanism with reduced friction and wear |
| CN101070790A (en) * | 2006-05-10 | 2007-11-14 | 陈文英 | Automobile electronic gas-saving valve system |
| CN102359417A (en) * | 2011-09-21 | 2012-02-22 | 东风汽车有限公司 | Electronic throttle system with idle speed bypass stepping motor |
-
2012
- 2012-03-12 CN CN2012100631758A patent/CN102562332A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2229893Y (en) * | 1995-07-18 | 1996-06-26 | 李扬荣 | Device for automatically controlling vehicle speed, operated by accelerator pedal |
| US6575427B1 (en) * | 1999-11-10 | 2003-06-10 | Visteon Global Technologies, Inc. | Electronic throttle control mechanism with reduced friction and wear |
| CN1405439A (en) * | 2002-10-31 | 2003-03-26 | 重庆大学 | Automatic control device of throttle valve for engine |
| CN101070790A (en) * | 2006-05-10 | 2007-11-14 | 陈文英 | Automobile electronic gas-saving valve system |
| CN102359417A (en) * | 2011-09-21 | 2012-02-22 | 东风汽车有限公司 | Electronic throttle system with idle speed bypass stepping motor |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103590908A (en) * | 2012-08-15 | 2014-02-19 | 李嘉军 | Electronic throttle assembly for Mazda cars |
| CN108266085A (en) * | 2017-12-21 | 2018-07-10 | 重庆长安汽车股份有限公司 | A kind of side window glass slide-open mechanism |
| CN111305955A (en) * | 2020-02-24 | 2020-06-19 | 重庆红江机械有限责任公司 | Speed regulator actuator |
| CN114671286A (en) * | 2022-03-29 | 2022-06-28 | 南通人民彩印有限公司 | Rubber coating machine for printed matter |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120711 |