CN101440749B - Electric air throttle - Google Patents
Electric air throttle Download PDFInfo
- Publication number
- CN101440749B CN101440749B CN 200810156210 CN200810156210A CN101440749B CN 101440749 B CN101440749 B CN 101440749B CN 200810156210 CN200810156210 CN 200810156210 CN 200810156210 A CN200810156210 A CN 200810156210A CN 101440749 B CN101440749 B CN 101440749B
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- rotor
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- straightway
- valve
- valve rod
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Abstract
The invention discloses a controllable throttling device for controlling air input of an automobile engine to reduce discharge. The controllable throttling device adopts a technical proposal that an electronic throttle valve comprises a valve body, a valve rod, a valve plate connected to the valve rod, and an electric motor, wherein a rotor of the electric motor is connected with the valve rod, the valve rod and a rotating shaft of the rotor are combined integrally, a stator of the electric motor is connected with the valve body which is also provided with a torsion spring, one end of the torsion spring is connected with the valve body, the other end of the torsion spring is connected with the valve rod, and the shape of a rotor vane of the rotor comprises two sections of involutes by taking a central line of the rotor vane as a symmetrical line, namely a first involute and a second involute; and a starting point of the first involute is also connected with a first straight-line segment, a starting point of the second involute is connected with a second straight-line segment, an end point of the first straight-line segment is connected with a third straight-line segment, an end point of the second straight-line segment is connected with a fourth straight-line segment, an end point of the third straight-line segment is connected with a first arc, an end point of the fourth straight-line segment is connected with a second arc, and the edge of the valve plate can be a bevel face. Power supply voltage of the electric motor is adjusted to make the rotor balanced at any position,and the rotor, the valve rod and the valve plate are combined integrally, so that the electronic throttle valve can achieve control at any opening, namely linear control.
Description
Technical field
The present invention relates to a kind of Control of Automobile air input of engine by air to reduce the controlled restriction of discharging.
Background technique
Electronic throttle has been widely used on the motor of all kinds of carrier machines such as automobile, boats and ships as a kind of independently throttling arrangement, and main effect is that Under Different Work Condition of Engine is carried out air inlet restriction to reduce the engine exhaust pollutant.Present electronic throttle adopts driving mechanisms such as stepper motor driven gear or turbine and worm to control throttler valve stem valve sheet more, has shortcomings such as control accuracy is not high, complex structure, cost height.
Summary of the invention
The present invention is directed to existing closure technical deficiency, provide a kind of reasonable in design, simple in structure, can also be in the electronic throttle that linearity control is carried out in the different opening position to it.
Technological scheme of the present invention is: a kind of electronic throttle, comprise valve body, valve rod, be connected valve block, connecting plate, motor on the valve rod, the rotor of motor is connected on the valve rod, the rotating shaft of valve rod and rotor is integrated, the stator of motor is connected on the valve body, also be provided with torsion spring on the valve body, an end of torsion spring is connected on the valve body, and the other end is connected on the valve rod.
The rotor sheet of rotor is shaped as to comprise with the rotor sheet center being two sections involutes of symmetry, first involute and second involute, crow flight distance between the terminal point of the terminal point of described first involute and described second involute is greater than the crow flight distance between the starting point of the starting point of first involute and second involute, the starting point of first involute also is connected with first straightway, second straightway that the starting point of second involute connects, first straightway serves as symmetrical distribution and parallel with second straightway with the rotor sheet center, the terminal point of described first straightway is connected with the 3rd straightway, the terminal point of described second straightway is connected with the 4th straightway, the 3rd straightway serves as symmetrical distribution and parallel with the 4th straightway with the rotor sheet center, the terminal point of described the 3rd straightway is connected with first circular arc, the terminal point of first circular arc overlaps with the terminal point of second involute, the terminal point of described the 4th straightway is connected with second circular arc, the terminal point of second circular arc overlaps with the terminal point of first involute, and first circular arc and second circular arc are symmetrical distribution with the rotor sheet center.
The edge of described valve block can be the oblique angle face.
Described valve rod is provided with connecting plate, and an end of torsion spring is connected on the valve rod by connecting plate.
Beneficial effect: rotor is directly installed on the closure valve rod, and motor stator is connected on the valve body, also is provided with torsion spring on the valve body, and an end of torsion spring is connected on the valve body, and the other end is connected on the connecting plate, and connecting plate is connected on the valve rod.When motor was not switched on as yet, whole motor did not have magnetic field, and rotor is pulled to wide-open throttling position by initial tension of spring, when motor is switched at the beginning, motor just produces the twisted magnetic field force, this moment rotor the torsional moment maximum, the torsional moment minimum of spring, so rotor begins to rotate, along with the deflection of rotor, the motor torsional moment is more and more littler, the torsional moment of spring is increasing, when two moment equal and opposite in directions, the stressed balance that reaches of rotor is no longer rotated.Regulate the motor power supply voltage, can make rotor reach balance in arbitrary position, rotor and valve rod and valve block are combined as a whole, then electronic throttle can realize that arbitrary aperture is controlled, i.e. linearity control.
Description of drawings
Fig. 1 is the structural representation of electronic throttle of the present invention.
Fig. 2 is that the A of Fig. 1 is to partial view.
Fig. 3 is the outline drawing of valve block 5.
Fig. 4 be the B-B of Fig. 1 motor to sectional view, rotor-position schematic representation when motor is not switched on.
Rotor-position schematic representation when Fig. 5 is electrical power.
Fig. 6 is electrical power voltage rotor-position schematic representation when the highest.
Among the figure, the 1-motor (comprises rotor, stator and coil), the 2-rotor, the 3-valve body, 4-valve rod, 5-valve block, groove on the 6-valve body 3,7-torsion spring, 8-connecting plate, hole on the 9-connecting plate, 10-stator, 11-coil, the terminal point of 12-first involute, the starting point of 13-first involute, the terminal point of 14-first straightway, the terminal point of 15-the 3rd straightway, the terminal point of 16-second involute, the starting point of 17-second involute, the terminal point of 18-second straightway, the terminal point of 19-the 4th straightway, first point on the 20-stator profile, second point on the 21-stator profile, on the 22-stator profile thirdly, the 4th point on the 23-stator profile, 24-first involute, 25-second involute, 26-first straightway, 27-second straightway, 28-the 3rd straightway, 29-the 4th straightway, 30-first circular arc, 31-second circular arc.
Embodiment
The invention will be further described below in conjunction with accompanying drawing.
A kind of electronic throttle, comprise valve body 3, valve rod 4, be connected valve block 5, motor 1 on the valve rod 4, the rotor 2 of described motor 1 is connected on the valve rod 4, valve rod 4 is integrated with the rotating shaft of rotor 2, the stator 10 of motor 1 is connected on the valve body 3, also is provided with torsion spring 7 on the valve body 3, and an end of torsion spring 7 is installed in the groove 6 on the valve body 3, the other end is connected in the hole 9 on the connecting plate 8, and connecting plate 8 is connected on the valve rod 4.
Described rotor 2 usefulness thin silicon steel plates stack compacting forms, as Fig. 4, shown in Figure 5, its rotor sheet is shaped as to comprise with the rotor sheet center being two sections involutes of symmetry, first involute 24 and second involute 25, crow flight distance between the terminal point 12 of described first involute 24 and the terminal point 16 of described second involute 25 is greater than the crow flight distance between the starting point 17 of the starting point 13 of first involute 24 and second involute 25, the starting point 13 of first involute 24 also is connected with first straightway 26, second straightway 27 that the starting point 17 of second involute 25 connects, first straightway 26 serves as symmetrical distribution and parallel with second straightway 27 with the rotor sheet center, the terminal point 14 of described first straightway 26 is connected with the 3rd straightway 28, the terminal point 18 of described second straightway 27 is connected with the 4th straightway 29, the 3rd straightway 28 serves as symmetrical distribution and parallel with the 4th straightway 29 with the rotor sheet center, the terminal point 15 of described the 3rd straightway 28 is connected with first circular arc 30, the terminal point of first circular arc 30 overlaps with the terminal point 16 of second involute 25, the terminal point 19 of described the 4th straightway 29 is connected with second circular arc 31, the terminal point of second circular arc 31 overlaps with the terminal point 12 of first involute 24, and first circular arc 30 and second circular arc 31 are symmetrical distribution with the rotor sheet center.
The edge of described valve block 5 is the oblique angle face.
Stator 7 usefulness thin silicon steel plates stack compacting forms, and its shape such as Fig. 4 are shown in Figure 5.On the stator profile 1: 20, on line between on the stator profile 1: 21 and the stator profile thirdly 22, line between the 0 4th: 23 two on the stator profile is the circular arc line segment of concentric, and arc length is identical, and its slightly larger in diameter is in rotor profile.
As shown in Figure 1 and Figure 2, electronic throttle valve rod 4, valve block 5, connecting plate 8 and rotor 2 are connected as a single entity, rotor 2 rotations can drive valve rod 4, valve block 5 and connecting plate 8 and rotate simultaneously, stator 10 is connected as a single entity with coil 11 and is installed on the valve body 3, torsion spring 7 one ends are installed in the groove 6 on the valve body 3, the other end is installed in the hole 9 on the connecting plate 8, and connecting plate 8 links to each other with valve rod 3, and valve block 5 can be pulled to fully open position by torsion spring 7 return pulling force.
When not giving 11 power supplies of electronic throttle coil, rotor 2 is pulled to the position as Fig. 4 by spring 7 pretightening forces, and this moment, valve block 5 was in fully open position.
When motor 1 has just begun to switch on, as shown in Figure 4,1: 20 spacing on the rotor profile on the starting point 13 of first involute 24 and the stator profile, be all recently with the starting point 17 of second involute 25 on the rotor profile and 1: 22 spacing on the stator profile, magnetic resistance minimum around here, the magnetic line of force that motor produces is in a large number by around here, so torsional moment maximum that motor 1 produces, and the torsional moment minimum that torsion spring 7 produces, so rotor 2 begins deflection with valve rod 4, valve block 5 and connecting plate 8, as shown in Figure 5.
Deflection along with rotor 2, as shown in Figure 5, circular arc line spacing between on the rotor profile on first involute 24 and the stator profile 1: 20, the stator profile 1: 21 is more and more littler, so magnetic resistance is more and more littler, magnetic field by two camber lines is increasing, so the torsional moment that motor 1 produces is more and more littler, the torsional moment that spring 7 produces is increasing, when two moment variations when equal, rotor 2 stops operating with valve rod 4, valve block 5 and connecting plate 8.
Give motor 1 for different big small voltages, 5 of rotor 2 and valve rod 4 and valve blocks stop operating at arbitrary diverse location, can realize linearity control.
As shown in Figure 3, be the oblique angle face with the edge designs of valve block 5, just seal fully when making valve block 5 rotations with valve body 3 air flues less than 90 °.I.e. valve block 5 and the sealing of valve body 3 air flues when rotor 2 changes from position as shown in Figure 6, the torsional moment that the moment that this moment, motor 1 produced is produced greater than torsion spring 7 can make electronic throttle be in the steady state of contract fully.
Claims (3)
1. electronic throttle, comprise valve body (3), valve rod (4), be connected the valve block (5) on the valve rod (4), motor (1), it is characterized in that: the rotor (2) of described motor (1) is connected on the valve rod (4), valve rod (4) is integrated with the rotating shaft of rotor (2), the stator (10) of motor (1) is connected on the valve body (3), also be provided with torsion spring (7) on the valve body (3), one end of torsion spring (7) is connected on the valve body (3), the other end is connected on the valve rod (4), the rotor sheet of described rotor (2) is shaped as to comprise with the rotor sheet center being two sections involutes of symmetry, first involute (24) and second involute (25), crow flight distance between the terminal point (12) of described first involute (24) and the terminal point (16) of described second involute (25) is greater than the crow flight distance between the starting point (17) of the starting point (13) of first involute (24) and second involute (25), the starting point (13) of first involute (24) also is connected with first straightway (26), second straightway (27) that the starting point (17) of second involute (25) connects, first straightway (26) serves as symmetrical distribution and parallel with second straightway (27) with the rotor sheet center, the terminal point (14) of described first straightway (26) is connected with the 3rd straightway (28), the terminal point (18) of described second straightway (27) is connected with the 4th straightway (29), the 3rd straightway (28) serves as symmetrical distribution and parallel with the 4th straightway (29) with the rotor sheet center, the terminal point (15) of described the 3rd straightway (28) is connected with first circular arc (30), the terminal point of first circular arc (30) overlaps with the terminal point (16) of second involute (25), the terminal point (19) of described the 4th straightway (29) is connected with second circular arc (31), the terminal point of second circular arc (31) overlaps with the terminal point (12) of first involute (24), and first circular arc (30) is symmetrical distribution with second circular arc (31) with the rotor sheet center.
2. electronic throttle according to claim 1 is characterized in that: the edge of described valve block (5) is the oblique angle face.
3. electronic throttle according to claim 1 is characterized in that: described valve rod (4) is provided with connecting plate (8), and an end of torsion spring (7) is connected on the valve rod (4) by connecting plate (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810156210 CN101440749B (en) | 2008-09-25 | 2008-09-25 | Electric air throttle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810156210 CN101440749B (en) | 2008-09-25 | 2008-09-25 | Electric air throttle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101440749A CN101440749A (en) | 2009-05-27 |
| CN101440749B true CN101440749B (en) | 2010-04-21 |
Family
ID=40725326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200810156210 Expired - Fee Related CN101440749B (en) | 2008-09-25 | 2008-09-25 | Electric air throttle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101440749B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104775917A (en) * | 2015-04-25 | 2015-07-15 | 无锡隆盛科技股份有限公司 | Magnetic-resistance electronic throttle valve |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103016173A (en) * | 2012-12-21 | 2013-04-03 | 重庆磐达机械有限公司 | Rotating speed control actuator |
| CN104775945B (en) * | 2015-04-25 | 2018-01-19 | 无锡隆盛科技股份有限公司 | Automobile engine EGR valve integrating device |
| CN106089450A (en) * | 2016-08-23 | 2016-11-09 | 无锡隆盛科技股份有限公司 | A kind of resetting-mechanism of electronic throttle |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1548708A (en) * | 2003-05-06 | 2004-11-24 | 峰 汪 | Electronic air throttling flap body |
| CN1710267A (en) * | 2005-07-05 | 2005-12-21 | 四川红光汽车机电有限公司 | Electronic throttle body |
| CN2841983Y (en) * | 2005-11-24 | 2006-11-29 | 方林焱 | The air fuel ratio regulator |
| CN201258790Y (en) * | 2008-09-25 | 2009-06-17 | 无锡隆盛科技有限公司 | Electronic air throttle |
-
2008
- 2008-09-25 CN CN 200810156210 patent/CN101440749B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1548708A (en) * | 2003-05-06 | 2004-11-24 | 峰 汪 | Electronic air throttling flap body |
| CN1710267A (en) * | 2005-07-05 | 2005-12-21 | 四川红光汽车机电有限公司 | Electronic throttle body |
| CN2841983Y (en) * | 2005-11-24 | 2006-11-29 | 方林焱 | The air fuel ratio regulator |
| CN201258790Y (en) * | 2008-09-25 | 2009-06-17 | 无锡隆盛科技有限公司 | Electronic air throttle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104775917A (en) * | 2015-04-25 | 2015-07-15 | 无锡隆盛科技股份有限公司 | Magnetic-resistance electronic throttle valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101440749A (en) | 2009-05-27 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 214028 South Road, New District, Jiangsu, Wuxi, No. 231-3 Patentee after: Wuxi Longsheng Technology Co., Ltd. Address before: 214028 South Road, New District, Jiangsu, Wuxi, No. 231-3 Patentee before: Wuxi Longsheng Technology Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100421 Termination date: 20200925 |