CN201502439U - Contactless electronic throttle of engine - Google Patents
Contactless electronic throttle of engine Download PDFInfo
- Publication number
- CN201502439U CN201502439U CN2009201284679U CN200920128467U CN201502439U CN 201502439 U CN201502439 U CN 201502439U CN 2009201284679 U CN2009201284679 U CN 2009201284679U CN 200920128467 U CN200920128467 U CN 200920128467U CN 201502439 U CN201502439 U CN 201502439U
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- China
- Prior art keywords
- valve
- motor
- gear
- control unit
- hall device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 17
- 239000010959 steel Substances 0.000 claims abstract description 17
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 238000005299 abrasion Methods 0.000 abstract 1
- 239000000446 fuel Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Abstract
The utility model discloses a contactless electronic throttle of an engine. The contactless electronic throttle comprises a throttle valve, a driving motor and a control unit, wherein the throttle valve comprises a valve body and a valve piece, and the valve piece is mounted on the valve body through a valve piece shaft; the control unit controls the driving motor to drive the valve piece through the valve piece shaft; a steel magnet is fixedly arranged on the valve piece shaft in the circumferential direction in a matching way; a Hall device for collecting rotating angles of the valve piece shaft is fixed on the throttle relative to the axial direction of the steel magnet; and the signal output terminal of the hall device is connected with the control unit. The contactless electronic throttle adopts a programmable Hall chip, changes the contact potential output mode in the traditional resistance type electronic throttle, and realizes contactless potential variable control output. When the contactless electronic throttle is in use, no mechanical abrasion is caused, no loose contact phenomenon is generated, the service life of the electronic throttle is greatly prolonged, the cost is saved, and at the same time, the control precision is improved.
Description
Technical field
The utility model relates to a kind of engine components, particularly a kind of motor contactless electron closure.
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 motor contactless electron closure, 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.
The model utility content
In view of this, the utility model provides a kind of motor contactless electron closure, does not have the machinery wearing and tearing during use, and 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.
Motor contactless electron closure of the present utility model, 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.
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;
Further, described closure axial end portion is provided with cover plate, and described hall device fixedly installs on the cover board;
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;
Further, described hall device fixedly installs on the cover board by circuit board;
Further, described intermediate gear by the intermediate gear shaft setting on the cover board.
The beneficial effects of the utility model: motor contactless electron closure of the present utility model, 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 utility model is further described.
Accompanying drawing is a structural representation of the present utility model.
Embodiment
Accompanying drawing is a structural representation of the present utility model, as shown in the figure: the motor contactless electron closure 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 utility model 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 the explanation the technical solution of the utility model, although the utility model 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 the technical solution of the utility model, and not breaking away from the aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (6)
1. motor contactless electron closure, 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. motor contactless electron closure 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. motor contactless electron closure 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. motor contactless electron closure 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. motor contactless electron closure according to claim 4, it is characterized in that: described hall device fixedly installs on the cover board by circuit board.
6. motor contactless electron closure 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 |
|---|---|---|---|
| CN2009201284679U CN201502439U (en) | 2009-08-14 | 2009-08-14 | Contactless electronic throttle of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201284679U CN201502439U (en) | 2009-08-14 | 2009-08-14 | Contactless electronic throttle of engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201502439U true CN201502439U (en) | 2010-06-09 |
Family
ID=42453375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201284679U Expired - Fee Related CN201502439U (en) | 2009-08-14 | 2009-08-14 | Contactless electronic throttle of engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201502439U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102400791A (en) * | 2010-09-17 | 2012-04-04 | 瑞安市博威机车部件有限公司 | Automobile throttle valve provided with non-contact type throttle valve opening sensor |
| CN105370415A (en) * | 2014-08-19 | 2016-03-02 | 重庆渝辉机械有限公司 | Electronic throttle valve |
-
2009
- 2009-08-14 CN CN2009201284679U patent/CN201502439U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102400791A (en) * | 2010-09-17 | 2012-04-04 | 瑞安市博威机车部件有限公司 | Automobile throttle valve provided with non-contact type throttle valve opening sensor |
| CN105370415A (en) * | 2014-08-19 | 2016-03-02 | 重庆渝辉机械有限公司 | Electronic throttle valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100609 Termination date: 20120814 |