CN101634249A - Engine throttle - Google Patents
Engine throttle Download PDFInfo
- Publication number
- CN101634249A CN101634249A CN200910305614A CN200910305614A CN101634249A CN 101634249 A CN101634249 A CN 101634249A CN 200910305614 A CN200910305614 A CN 200910305614A CN 200910305614 A CN200910305614 A CN 200910305614A CN 101634249 A CN101634249 A CN 101634249A
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- valve
- gear
- hall device
- throttle
- control unit
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- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Abstract
The invention discloses a non-contact electronic engine throttle comprising a throttle valve, a drive motor and a control unit, wherein the throttle valve comprises a valve body and a valve plate, the valve plate is arranged on the valve body by a valve plate shaft, the drive motor is controlled by the control unit to drive the valve plate through the valve plate shaft, the circumferential direction of the valve plate shaft is fixedly provided with magnet steel, a Hall device which is used for collecting a rotating angle of the valve plate shaft is axially and relatively fixed with the magnet steel on the throttle, and the signal output end of the Hall device is connected with the control unit. The engine throttle adopts a programmable Hall chip, improves the contact potential output form of the traditional resistance type electronic throttle, controls and outputs non-contact potential changes, has no mechanical wear when used, has no loose contact phenomenon, greatly prolongs the service life of the electronic throttle valve, saves the cost and increases the control accuracy.
Description
Technical field
The present invention relates to a kind of engine components, specifically be meant the engine air throttle that relates to a kind of contactless electron formula.
Background technique
Electronic fuel injection engine is to adopt electric control device, replaces the fuel feeding process that traditional mechanical system (as Carburetor) is controlled motor.Closure is the device that electronic fuel injection engine provides combustion-supporting air, be provided with jaw opening sensor, aperture numerical value and opening speed are passed to controller, this controller can be independent setting, also can directly adopt ECU, determine the operation conditions that Motor Vehicle is in good time by controller.
When Motor Vehicle need quicken, the pilot control accelerator pedal, accelerator pedal sensor produces correspondent voltage signal input throttle controller, controller is resolved driver intention according to current mode of operation, pedal amount of movement and variance ratio, signal to input is handled, export corresponding closure angular control signal, directly drive the direct current generator rotation through lead socket, driven by motor the two poles of the earth reducing gear, drive the rotation of valve body valve block, mixed gas is opened and is entered combusted cylinder along with the closure valve block.Meanwhile, closure corner testing signal input controller, work information that the controller basis is obtained and various sensor signal such as engine speed, gear, throttle position, energy consumption etc., calculate the required all torsion torque of car load thus, by closure corner expected value is compensated, engine load sensor is then given throttle controller the aperture signal feed back of closure, and the correspondent voltage signal sent to the drive circuit module of controller, the drive controlling motor makes closure form the positioning control of closed loop.
In the prior art, adopt manual drag-line or variable-resistance detection mode usually for the detection of EFI car engine throttle opening.Because drag-line or variable-resistance mechanical connection manner cause the throttle opening precision not high, can not realize accurate location, variable resistor belongs to the contact form, has mechanical wear, long-time wearing and tearing to cause bad connection easily, and the life-span is short; Particularly idling and when refueling solar term aperture control accuracy be difficult to grasp, cause that engine fuel do not match for oil mass and power character, cause the fuel oil waste.
Therefore, need a kind of engine air throttle of contactless electron formula, do not have the machinery wearing and tearing during use, the phenomenon that does not have bad connection exists, and has prolonged the electronic throttle life-span greatly, when saving cost, improves the accuracy of control.
Summary of the invention
Based on above problem, the invention provides a kind of engine air throttle of contactless electron formula, there are not the machinery wearing and tearing during use, the phenomenon that does not have bad connection exists, and has prolonged the electronic throttle life-span greatly, when saving cost, improves the accuracy of control.
The engine air throttle of contactless electron formula of the present invention, comprise throttler valve, drive motor and control unit, described throttler valve comprises valve body and valve block, described valve block is installed on the valve body by valve shaft, described control unit controlling and driving motor drives valve block by valve shaft, in the circumferencial direction secure fit magnet steel is set on the described valve shaft, be provided with the hall device that is used to gather the valve shaft rotation angle with the axial relative fixed of magnet steel on the closure, the signal output part of described hall device connects control unit.
Advantage according to this structural design is to make the closure control of motor adopt contactless control, thereby realize contactless potential change control output, there are not the machinery wearing and tearing during use, the phenomenon that does not have bad connection exists, prolonged the electronic throttle life-span greatly, when saving cost, improve the accuracy of control.
Further, described drive motor is by gear drive actuating valve bobbin, described gear drive comprises driving gear, intermediate gear and driven gear, driving gear is enclosed within on the pto of drive motor in the circumferencial direction secure fit, driven gear and valve shaft are in the circumferencial direction secure fit, driven gear and driving gear slow down by intermediate gear and mesh, and described magnet steel is fixedly installed on the driven gear by magnet steel seat; By such effect that generation is set be can the expanded motor rotating speed range of choice, save motor cost, and can be according to the needs reasonable Arrangement of mounting structure; Simultaneously, the firm compactness of magnet steel installation is beneficial to hall device and accurately catches magnetic signal, thereby accurately obtains the aperture signal of valve block.
Further, described closure axial end portion is provided with cover plate, and described hall device fixedly installs on the cover board; Certainly such is simple and compact for structure, easy installation and removal.
Further, also comprise circuit board, the signal conveys line of described hall device and the electrode wire of drive motor all are provided with in the circuit board, and described circuit board is fixedly installed on the cover plate inboard; Its advantage is and can effectively protects circuit, when line failure, takes cover plate apart and can accurately judge also on-call maintenance, increases work efficiency.
Further, described hall device fixedly installs on the cover board by circuit board; The advantage of She Zhiing is to have easy installation and removal like this, and rate of fault is low, and signal transmits advantage smoothly.
Further, described intermediate gear by the intermediate gear shaft setting on the cover board.Same reason on the cover board has the setting of intermediate gear week simple and compact for structure, removes and installs conveniently.
Beneficial effect of the present invention in a word: the engine air throttle of contactless electron formula of the present invention, adopted the programmable hall chip, change traditional resistance type closure the contact potential output form is arranged, realize contactless potential change control output, do not have the machinery wearing and tearing during use, the phenomenon that does not have bad connection exists, and has prolonged the electronic throttle life-span greatly, when saving cost, improve the accuracy of control.
Description of drawings
Below in conjunction with drawings and Examples the present invention is further described.
Accompanying drawing is a structural representation of the present invention.
Embodiment
Accompanying drawing is a structural representation of the present invention, as shown in the figure: the engine air throttle of the contactless electron formula of present embodiment, comprise throttler valve, drive motor 1 and control unit, described throttler valve comprises valve body 11 and valve block 13, described valve block 11 is installed on the valve body 13 by valve shaft 12, described control unit controlling and driving motor 1 drives valve block 11 by valve shaft 12, in the circumferencial direction secure fit magnet steel 9 is set on the described valve shaft 12, be provided with the hall device 8 that is used to gather valve shaft 12 rotation angles with magnet steel 9 axial relative fixed on the closure, the signal output part of described hall device 8 connects control unit.
In the present embodiment, described drive motor 1 is by gear drive actuating valve bobbin 12, described gear drive comprises driving gear 2, intermediate gear 6 and driven gear 10, driving gear 2 is enclosed within on the pto of drive motor 1 in the circumferencial direction secure fit, driven gear 10 and valve shaft 12 are in the circumferencial direction secure fit, driven gear 10 slows down by intermediate gear 6 with driving gear 2 and meshes, and described magnet steel 9 is fixedly installed on the driven gear 10 by magnet steel seat 7; Range of choice that can the expanded motor rotating speed is saved motor cost, and can be according to the needs reasonable Arrangement of mounting structure; Simultaneously, the firm compactness of magnet steel installation is beneficial to hall device and accurately catches magnetic signal, thereby accurately obtains the aperture signal of valve block.
In the present embodiment, described closure axial end portion is provided with cover plate 5, and described hall device 8 fixedly installs on the cover board; Simple and compact for structure, easy installation and removal.
In the present embodiment, also comprise circuit board 3, the signal conveys line of described hall device 8 and the electrode wire of drive motor 1 all are arranged on the circuit board 3, and described circuit board 3 is fixedly installed on cover plate 5 inboards; This structure is effectively protected by 5 pairs of circuits of cover plate, when line failure, takes cover plate apart and can accurately judge also on-call maintenance, increases work efficiency.
In the present embodiment, described hall device 8 is fixedly installed on the cover plate 5 by circuit board 3; Have easy installation and removal, rate of fault is low, and signal transmits advantage smoothly.
In the present embodiment, described intermediate gear 6 is arranged on the cover plate 5 by intermediate gear shaft 4, and is simple and compact for structure, removes and installs conveniently.
The present invention in use, when motor need quicken, the pilot control electronic accelerator pedal, accelerator pedal sensor produces correspondent voltage signal input throttle valve control unit, control unit is resolved driver intention according to current mode of operation, pedal amount of movement and variance ratio, signal to input is handled, export corresponding closure angular control signal, directly drive motor rotation, drive the valve shaft rotation by reduction gears mechanism, make valve block open an initial angle, make motor obtain an air introducing amount; Air is opened and is entered the combustion-supporting gas fuel burning of cylinder along with the closure valve block;
Driven gear drives the magnet steel rotation simultaneously, hall device is gathered the magnet steel corner, instant angle corresponding voltage signal is inputed to control unit, control unit is according to engine operating condition information and the various sensor signal obtained at that time, as engine speed, the speed of a motor vehicle, engine temperature, moment of torsion, energy consumption etc., in conjunction with closure valve block opening value at that time, calculate the required all torsion torque of car load by control unit, in time closure valve block opening value is revised, the best throttle opening position signal of control unit output, drive motor makes the closure valve block reach desirable aperture, form the positioning control of closed loop, reach the best perfect condition of air input of engine by air.
Explanation is at last, above embodiment is only unrestricted in order to technological scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technological scheme of the present invention, and not breaking away from the aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (6)
1. engine air throttle, comprise throttler valve, drive motor and control unit, described throttler valve comprises valve body and valve block, described valve block is installed on the valve body by valve shaft, described control unit controlling and driving motor drives valve block by valve shaft, it is characterized in that: in the circumferencial direction secure fit magnet steel is set on the described valve shaft, be provided with the hall device that is used to gather the valve shaft rotation angle with the axial relative fixed of magnet steel on the closure, the signal output part of described hall device connects control unit.
2. engine air throttle according to claim 1, it is characterized in that: described drive motor is by gear drive actuating valve bobbin, described gear drive comprises driving gear, intermediate gear and driven gear, driving gear is enclosed within on the pto of drive motor in the circumferencial direction secure fit, driven gear and valve shaft are in the circumferencial direction secure fit, driven gear and driving gear slow down by intermediate gear and mesh, and described magnet steel is fixedly installed on the driven gear by magnet steel seat.
3. engine air throttle according to claim 2 is characterized in that: described closure axial end portion is provided with cover plate, and described hall device fixedly installs on the cover board.
4. engine air throttle according to claim 3 is characterized in that: also comprise circuit board, the signal conveys line of described hall device and the electrode wire of drive motor all are provided with in the circuit board, and described circuit board is fixedly installed on the cover plate inboard.
5. engine air throttle according to claim 4 is characterized in that: described hall device fixedly installs on the cover board by circuit board.
6. engine air throttle according to claim 5 is characterized in that: described intermediate gear by the intermediate gear shaft setting on the cover board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910305614A CN101634249A (en) | 2009-08-14 | 2009-08-14 | Engine throttle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910305614A CN101634249A (en) | 2009-08-14 | 2009-08-14 | Engine throttle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101634249A true CN101634249A (en) | 2010-01-27 |
Family
ID=41593557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910305614A Pending CN101634249A (en) | 2009-08-14 | 2009-08-14 | Engine throttle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101634249A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107905901A (en) * | 2017-09-27 | 2018-04-13 | 银弗（北京）科技有限公司 | A kind of electronics section door gas |
| CN108468852A (en) * | 2018-06-16 | 2018-08-31 | 无锡隆盛科技股份有限公司 | A kind of intelligent butterfly valve of brushless motor driving |
| CN109751422A (en) * | 2017-11-07 | 2019-05-14 | 北京慨尔康科技发展有限公司 | A kind of dynamical system and its control method |
| CN109751443A (en) * | 2017-11-07 | 2019-05-14 | 北京慨尔康科技发展有限公司 | A kind of throttler valve and its control method |
| CN109751132A (en) * | 2017-11-07 | 2019-05-14 | 北京慨尔康科技发展有限公司 | A kind of throttle-valve body |
| CN112358559A (en) * | 2020-10-20 | 2021-02-12 | 山东朗晖石油化学股份有限公司 | Novel PVC polymerization is retrieved and is adjusted device |
-
2009
- 2009-08-14 CN CN200910305614A patent/CN101634249A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107905901A (en) * | 2017-09-27 | 2018-04-13 | 银弗（北京）科技有限公司 | A kind of electronics section door gas |
| CN109751422A (en) * | 2017-11-07 | 2019-05-14 | 北京慨尔康科技发展有限公司 | A kind of dynamical system and its control method |
| CN109751443A (en) * | 2017-11-07 | 2019-05-14 | 北京慨尔康科技发展有限公司 | A kind of throttler valve and its control method |
| CN109751132A (en) * | 2017-11-07 | 2019-05-14 | 北京慨尔康科技发展有限公司 | A kind of throttle-valve body |
| CN109751422B (en) * | 2017-11-07 | 2024-02-20 | 北京慨尔康科技发展有限公司 | Control method of power system |
| CN108468852A (en) * | 2018-06-16 | 2018-08-31 | 无锡隆盛科技股份有限公司 | A kind of intelligent butterfly valve of brushless motor driving |
| CN112358559A (en) * | 2020-10-20 | 2021-02-12 | 山东朗晖石油化学股份有限公司 | Novel PVC polymerization is retrieved and is adjusted device |
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Open date: 20100127 |