CN106382162A - Electronic throttle body - Google Patents
Electronic throttle body Download PDFInfo
- Publication number
- CN106382162A CN106382162A CN201510459382.9A CN201510459382A CN106382162A CN 106382162 A CN106382162 A CN 106382162A CN 201510459382 A CN201510459382 A CN 201510459382A CN 106382162 A CN106382162 A CN 106382162A
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- CN
- China
- Prior art keywords
- valve block
- inner chamber
- valve
- axis body
- air throttle
- 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.)
- Pending
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- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Abstract
The invention discloses an electronic throttle body comprising a valve body, a shaft body, a valve sheet and an electrical control driving assembly. The shaft body passes through the valve body to be fixed with the valve sheet in a cavity of the valve body; the shaft body is connected with a motor of the electrical control driving assembly via a transmission device; the valve sheet is in a round sheet shape and tightly matched with a cross section of the cavity; an included angle of 45 to 65 degrees is formed between the shaft body and an axis of the cavity; the shaft body passes through the center of the valve sheet to be fixed with the valve sheet; the electronic throttle body further comprises an elastic element; and the element is fixed with the shaft body outside the cavity. The shaft body is slantwise inserted into the valve sheet to drive the valve sheet to spirally rotate to seal and open the cavity of the valve body; further, the shaft body can be reset via the elastic element, so the electronic throttle body can be better sealed; and clamping and blocking can be avoided and the electronic throttle body can self clean and oil contamination accumulation can be prevented.
Description
Technical field
The present invention relates to a kind of electronic air throttle body.
Background technology
Industrialization with automobile industry new forms of energy power it is desirable to electromotor energy consumption reduces, the advocating of zero-emission
View, new engine designs consider non-oil plant power or battery power, and new energy engine requires to electronics section
Stream body of laws assembly sealing improves very high requirement.For adapting to the demand of new work engine, close in engine
When closing, electronic throttle bodies also can completely close, that is, completely cut through air flow, so that engine is thoroughly stopped.
At present, Chinese patent (publication number CN 104131902A) discloses a kind of electric spray type motorcycle section
Valve valve body assembly, including throttle valve body, throttle valve body is provided with air inlet hole body, in air inlet body
It is provided with butterfly valve through butterfly valve axle, butterfly valve axle one end is connected with helical spring, and the other end is connected with throttle butterfly
Driver, throttle butterfly driver is provided with circuit board, and throttle valve body includes valve body pedestal and setting
Valve body location hole at valve body pedestal two ends.
The defect of technique scheme is, butterfly valve type valve body, throttle blade and the inner chamber being adopted due to it
There is gap during cooperation, cause poorly sealed, it is desirable to close when engine stops especially in fuel cells applications
Close air flow.As shown in Fig. 3 in above-mentioned patent documentation, the disc of valve block needs to cut with the inner chamber of valve body
Face coordinates, and produces gap unavoidably when closed, and valve block may be stuck in inner chamber.On the other hand, butterfly
The design of valve product is that valve block passes through in the medial launder of throttle plate pin and is locked on axle, by axle rotational band
When the inner chamber cooperation of moving valve plate and housing is closed, air can be leaked with piece, inner chamber junction by axle.
That is, axle is perpendicular to the axial line of valve block, inner chamber, axle has to pass through joining of valve block and inner chamber
At conjunction, such axle, valve block can be contacted with inner chamber on a point, cause easily to produce gap herein and lead to
Leakage or receiving dirt.
Content of the invention
The technical problem to be solved in the present invention be in order to overcome throttle valve body be easily caused leakage, blocking with
And the easy defect accumulating dirt, provide a kind of sealing more preferably, be difficult blocking and be easy to the electronics section cleaning
Valve body.
The present invention is to solve above-mentioned technical problem by following technical proposals：
A kind of electronic air throttle body, it includes a valve body body, an axis body, a valve block and an electric-controlled
Drive component processed, described axis body passes through described valve body body solid with the valve block of the inner chamber of described valve body body
Fixed, described axis body is connected by actuating device with the motor of described electrical control drive component, and its feature exists
In described valve block is the disk shape with the section close fit of described inner chamber, and described axis body is interior with described
The axial line in chamber intersects and is in 45 °～65 ° angles；
Described axis body is passed through described valve block center and is fixed with described valve block, and described axis body is used for rotation institute
The rotation stating valve block in described inner chamber internal coiling makes described inner chamber closing or connection；
Described electronic air throttle body also includes a flexible member, described flexible member described inner chamber outer with
Described axis body is fixed, and described flexible member is used for putting aside elastic potential energy when described axis body rotates, and in institute
State and rotate described axis body when motor does not provide power and make described valve block close described inner chamber.
That is, axis body passes through the midpoint of valve block and rotarily drives the rotation in inner chamber internal coiling for the valve block,
Valve block can be with the section close fit of inner chamber with closing inner chamber in rotary course, and this spinning movement is acceptable
The greasy dirt that the internal intracavity of valve block is piled up is made automatically to be cleared up.
When valve block is by becoming open mode with the closed state of inner chamber close fit with the rotation of axis body,
The fixing flexible member savings elastic potential energy with axis body phase.At this moment, if desired inner chamber is closed, Ke Yiyou
Two kinds of approach, one is to rotate by the motor of electrical control drive component to carry moving valve plate to be back in closing
The state in chamber, another kind of approach is exactly (for example to break down) in the state of motor is not charged, bullet
Property element using the elastic potential energy put aside, drive axis body toward back rotation, inner chamber to be closed.
In addition, why valve block adopts the mode of spiral to rotate to open, to close inner chamber, it is because so
Mode can avoid the convergence part of the side in valve block for the build up of dirt such as dust and valve block, axis body etc.
Position.On the other hand it is thus also avoided that axis body, valve block and inner chamber same position contact so that sealing more
Good.
Preferably, described axis body is fixed with a reseting gear described inner chamber is outer, described reseting gear and institute
State flexible member to fix and be snapped at the gear with the transmission of described motor.
That is, when motor is not charged, flexible member can drive axis body back to rotate, on axis body
Reseting gear with rotating up to valve block also and then rotation close inner chamber.Can in reseting gear or
On valve body body, this function preferably realized by setting stopping means.
Preferably, being provided with a boss on described reseting gear, described valve body body is extended one
Confined planes, described boss be used for described reseting gear drive described axis body turn to described valve block open described
During inner chamber, conflict with described confined planes to stop described axis body from being rotated further.
That is, when needing to open inner chamber, allowing Motor drive reseting gear to rotate and then drive valve block
After opening, boss conflict confined planes prevent valve block from rotating forward again.
Preferably, electrical control drive component also includes a control board, described control board with
Described motor electrical connection；
It is provided with a radome being used for shielding electromagnetic interference outside described control board.
Preferably, described valve block is provided with a circle groove along cylindrical, fills out in described groove and be provided with a sealing ring.
Preferably, the position that described valve block passes through in described axis body is embedded with a metallic sheath, described metallic sheath
With the welding of described axis body.
Preferably, described valve block is made up of engineering plastics.
Herein, engineering plastics can be valve block by injection mo(u)lding, and being advantageous in that using engineering plastics can
To embed above-mentioned metallic sheath during injection mo(u)lding.
The positive effect of the present invention is：By arranging the insertion valve block band moving valve plate spiral shell that axis body tilts
Rotation rotation is to close, to open the inner chamber of valve body body, further, multiple to axis body by arranging flexible member
Position is so that the sealing of electronic air throttle body is more preferable, be difficult blocking and can prevent greasy dirt from piling up with self-cleaning.
Brief description
Fig. 1 is the structural representation of the section of electronic air throttle body of present pre-ferred embodiments.
Fig. 2 is the structural representation of the drive mechanism of electronic air throttle body of present pre-ferred embodiments.
Fig. 3 is the sectional view along C-C for the Fig. 2.
Fig. 4 is the axonometric chart of the electronic air throttle body of present pre-ferred embodiments.
Fig. 5 is the structural representation of the reseting gear assembly of present pre-ferred embodiments.
Fig. 6 is the valve block modular construction schematic diagram of present pre-ferred embodiments.
Specific embodiment
Mode below by embodiment further illustrates the present invention, but does not therefore limit the present invention to
Among described scope of embodiments.
Fig. 1 is the structural representation of the section of electronic air throttle body of the present embodiment, and Fig. 2 is the present embodiment
The drive mechanism of electronic air throttle body structural representation, Fig. 3 be Fig. 2 along C-C sectional view, figure
4 is the axonometric chart of the electronic air throttle body of the present embodiment, the electronics that the present embodiment is related to as shown in figures 1-4
Throttle body includes：
Valve body body 1, the printed circuit board (PCB) 16 of control circuit, valve block assembly 2, limited block 34, bearing
35th, throttle plate pin 5, Magnet 30, stop screw 32, socket 14, reseting gear 6, idler gear
11st, direct current generator 23, back-moving spring 8, electric machine support 26 and screening cover 15.
Wherein, the printed circuit board (PCB) 16 of control circuit, socket 14, screening cover 15 pass through screw 19 phase
Fixing.Valve block assembly 2 includes a valve block, and valve block is provided with a circle groove along cylindrical, fills out and set in groove
There is sealing ring 4 (as shown in Figure 6), in addition, the interior bearing of trend in groove of groove is provided with a circle and is used for
Projection to sealing ring 4 positioning.
Throttle plate pin 5 passes through valve body body 1 and the valve block of the inner chamber of valve body body 1 to fix, throttle plate pin
5 are connected by actuating device with direct current generator 23, and direct current generator 23 is electrically connected with printed circuit board (PCB) 16.
Valve block is the disk shape with the section close fit of inner chamber, and throttle plate pin 5 is intersected with the axial line of inner chamber
And be in 45 °～65 ° angles.Throttle plate pin 5 is passed through valve block center and is fixed with valve block, throttle plate pin 5
For rotation, simultaneously valve block makes inner chamber closing or connection in the rotation of inner chamber internal coiling.Wherein, valve block is by work
Engineering plastics are molded, and in injection, inlay the stainless steel sleeve for wearing throttle plate pin 5 in valve block
3.Throttle plate pin 5 is welded together with the stainless steel sleeve 3 in embedded valve block.
Electronic air throttle body also includes a back-moving spring 8, and back-moving spring 8 is inner chamber is outer and throttle plate pin
5 is fixing, and back-moving spring 8 is used for putting aside elastic potential energy when throttle plate pin 5 rotates, and in direct current generator
23 do not provide rotation throttle plate pin 5 during power to make valve block closing inner chamber.
In addition, throttle plate pin 5 is outer fixing with reseting gear 32 in inner chamber, reseting gear 32 and reset bullet
Spring 8 is fixing and is snapped at the gear with direct current generator 23 transmission.
Additionally, as shown in figure 5, arranging sealing ring 21, reseting gear between socket 14 and screening cover 15
It is connected with 6 bearings 35 and welds on throttle plate pin 5, Magnet 30 is pressed into reseting gear 6 and reserves in the hole.
Throttle plate pin passes through in the intrinsic bearings of valve body, realizes rolling connection, reduces throttle plate pin and is turning
Frictional force when dynamic.Limited block 34 is located between valve body body 1 and bearing 35, direct current generator 23 with
In electric machine support 26 cooperation fixed valve body body 1.One torque arm of back-moving spring 8 is suspended to reset tooth
In the groove of wheel 6, another torque arm is suspended in the preformed groove on valve body body 1.Reseting gear 6 is silent
When recognizing position, the head contact of inserts on reseting gear 67 and stop screw 32, throttle valve valve
The inner chamber of body is closed；When needing to open, direct current generator 23 passes through idler gear 11 grade drive mechanism and drives
Dynamic reseting gear 6 overcomes the counteracting force of back-moving spring 8 to fully open position, now on reseting gear 6
Boss 41 is contacted with the confined planes 42 on valve body body, and stop operating (as shown in Figure 6)；Work as direct current
When motor or control circuit break down, air throttle can automatically return in the presence of the torsion of back-moving spring
Default location.
After the assembling of controlling organization is complete, in order to prevent external environment to the interference of controlling organization and damage
Evil, has added screening cover 15, screening cover 15 is connected by screw with valve body body, and between
It is also filled with encapsulant.Because the material of screening cover uses metal material, that is, avoid the external world
The electronic unit within Electromagnetic Interference, improve control circuit operation stability.
The printed circuit board (PCB) of control circuit is mainly by single-chip microcomputer, metal-oxide-semiconductor (Metal-oxide-semicondutor type
Field effect transistor) form H-bridge circuit, resistance, electric capacity, power supply, inductance, the composition such as audion.
ECU (Electronic Control Unit, electronic control unit) signal input to after single-chip microcomputer, according to
The signal feedback of position sensor, through PID (Proportional Integral Derivative, ratio-long-pending
Point-differential) adjust after send execution signal to H bridge, the operating of H bridge controlled motor needs reaching ECU
Ask angle position, whole circuit is closed loop control.
The work process of the present embodiment is as follows：
Diesel engine electronic throttle body carries drive control circuit, the PWM that can be given according to ECU
(Pulse Width Modulation, pulsewidth modulation) signal, to control throttle angle degree, works as ECU
Send a signal to throttle body, when the control circuit in throttle body receives signal, and passed according to position
The feedback signal of sensor, is compared analysis through process chip, then sends execution signal electric to driving
Driving direct current generator, direct current generator is slowed down by idler gear on road, drives reseting gear to rotate.Solar term
When door piece follows throttle plate pin rotation, the area of change throttle body passage, that is, change the air of air inlet
Flow.
The usual default conditions of throttle body are fully closed, make reseting gear 7 under the twisting force of back-moving spring
On inserts 7 and stop screw 32 head contact.Reseting gear and throttle plate pin pass through to be welded into
One entirety, when reseting gear rotates, throttle plate pin also follows rotation.If air throttle (i.e. valve body basis
Intracoelomic cavity) need open when, control circuit controlled motor turns to fully open position, makes on reseting gear
One boss 41 is contacted with the confined planes 42 on valve body body.Break down in throttle body electronic circuit
When, reseting gear under the force of a spring, can Anywhere return to acquiescence from leave fully open position
Position is it is ensured that engine health.
Although the foregoing describing the specific embodiment of the present invention, those skilled in the art should manage
Solution, this is merely illustrative of, and protection scope of the present invention is defined by the appended claims.Ability
The technical staff in domain, can be to these embodiments on the premise of the principle without departing substantially from the present invention and essence
Make various changes or modifications, these changes and modification each fall within protection scope of the present invention.
Claims (7)
1. a kind of electronic air throttle body, it includes a valve body body, an axis body, a valve block and an electricity
Gas control drive component, described axis body passes through the valve block of described valve body body and the inner chamber of described valve body body
Fixing, described axis body is connected by actuating device with the motor of described electrical control drive component, its feature
Be, described valve block is the disk shape with the section close fit of described inner chamber, described axis body with described
The axial line of inner chamber intersects and is in 45 °～65 ° angles；
Described axis body is passed through described valve block center and is fixed with described valve block, and described axis body is used for rotation institute
The rotation stating valve block in described inner chamber internal coiling makes described inner chamber closing or connection；
Described electronic air throttle body also includes a flexible member, described flexible member described inner chamber outer with
Described axis body is fixed, and described flexible member is used for putting aside elastic potential energy when described axis body rotates, and in institute
State and rotate described axis body when motor does not provide power and make described valve block close described inner chamber.
2. electronic air throttle body as claimed in claim 1 is it is characterised in that described axis body is described
Inner chamber is outer to be fixed with a reseting gear, and described reseting gear and described flexible member are fixed and be snapped at and institute
State the gear of motor transmission.
3. electronic air throttle body as claimed in claim 2 is it is characterised in that on described reseting gear
It is provided with a boss, described valve body body is extended confined planes, described boss is used for described multiple
When axis body described in the gear driven of position turns to described valve block and opens described inner chamber, with described confined planes conflict with
Described axis body is stoped to be rotated further.
4. electronic air throttle body as claimed in claim 3 is it is characterised in that electrical control driving group
Part also includes a control board, and described control board is electrically connected with described motor；
It is provided with a radome being used for shielding electromagnetic interference outside described control board.
5. electronic air throttle body as claimed in claim 3 is it is characterised in that described valve block is along cylindrical
It is provided with a circle groove, fill out in described groove and be provided with a sealing ring.
6. electronic air throttle body as claimed in claim 5 is it is characterised in that described valve block is described
The position that axis body passes through is embedded with a metallic sheath, described metallic sheath and described axis body welding.
7. electronic air throttle body as claimed in claim 6 is it is characterised in that described valve block is by engineering
Plastics are made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510459382.9A CN106382162A (en) | 2015-07-30 | 2015-07-30 | Electronic throttle body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510459382.9A CN106382162A (en) | 2015-07-30 | 2015-07-30 | Electronic throttle body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106382162A true CN106382162A (en) | 2017-02-08 |
Family
ID=57916291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510459382.9A Pending CN106382162A (en) | 2015-07-30 | 2015-07-30 | Electronic throttle body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106382162A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106917678A (en) * | 2017-03-10 | 2017-07-04 | 成都亨通兆业精密机械有限公司 | A kind of portable cleaning device for air throttle |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3627261A (en) * | 1969-09-17 | 1971-12-14 | Andrews Ind Inc | Balanced rotary plate valve and method of making |
| CN1185195A (en) * | 1995-03-31 | 1998-06-17 | 西门子电气有限公司 | Butterfly valve for EGR |
| JP2001173465A (en) * | 1999-12-15 | 2001-06-26 | Denso Corp | Throttle device |
| WO2003019052A1 (en) * | 2001-08-24 | 2003-03-06 | Robert Bosch Gmbh | Flap valve |
| EP1606539A1 (en) * | 2003-03-10 | 2005-12-21 | Siemens Aktiengesellschaft | Dividing unit of a throttle valve housing |
| CN102562325A (en) * | 2011-11-21 | 2012-07-11 | 上海奥众汽车部件制造有限公司 | Electronic throttle valve body of diesel engine |
| CN102705556A (en) * | 2011-03-28 | 2012-10-03 | 株式会社电装 | Valve apparatus |
| CN204827683U (en) * | 2015-07-30 | 2015-12-02 | 上海奥众汽车部件制造有限公司 | Electronic air throttling flap body |
-
2015
- 2015-07-30 CN CN201510459382.9A patent/CN106382162A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3627261A (en) * | 1969-09-17 | 1971-12-14 | Andrews Ind Inc | Balanced rotary plate valve and method of making |
| GB1319332A (en) * | 1969-09-17 | 1973-06-06 | Andrews Ind | Balanced rotary plate valve |
| CN1185195A (en) * | 1995-03-31 | 1998-06-17 | 西门子电气有限公司 | Butterfly valve for EGR |
| JP2001173465A (en) * | 1999-12-15 | 2001-06-26 | Denso Corp | Throttle device |
| WO2003019052A1 (en) * | 2001-08-24 | 2003-03-06 | Robert Bosch Gmbh | Flap valve |
| EP1606539A1 (en) * | 2003-03-10 | 2005-12-21 | Siemens Aktiengesellschaft | Dividing unit of a throttle valve housing |
| US20060027210A1 (en) * | 2003-03-10 | 2006-02-09 | Siemens Aktiengesellschaft | Subunit of a throttle valve housing |
| CN102705556A (en) * | 2011-03-28 | 2012-10-03 | 株式会社电装 | Valve apparatus |
| CN102562325A (en) * | 2011-11-21 | 2012-07-11 | 上海奥众汽车部件制造有限公司 | Electronic throttle valve body of diesel engine |
| CN204827683U (en) * | 2015-07-30 | 2015-12-02 | 上海奥众汽车部件制造有限公司 | Electronic air throttling flap body |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106917678A (en) * | 2017-03-10 | 2017-07-04 | 成都亨通兆业精密机械有限公司 | A kind of portable cleaning device for air throttle |
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