CN210087489U - Aperture type electronic throttle device - Google Patents
Aperture type electronic throttle device Download PDFInfo
- Publication number
- CN210087489U CN210087489U CN201920999487.7U CN201920999487U CN210087489U CN 210087489 U CN210087489 U CN 210087489U CN 201920999487 U CN201920999487 U CN 201920999487U CN 210087489 U CN210087489 U CN 210087489U
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- gear
- aperture
- throttle body
- ring
- angle sensor
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- 230000033001 locomotion Effects 0.000 claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims description 23
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- 239000003638 chemical reducing agent Substances 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 10
- 230000009467 reduction Effects 0.000 abstract description 7
- 230000001133 acceleration Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000000670 limiting effect Effects 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
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- 238000004364 calculation method Methods 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model provides an aperture formula electron throttle valve device, including the throttle body, servo actuator gear, the main reduction pinion, the main reduction gear wheel, the fixed ring of light ring, the aperture gear, 8 at least aperture movable wing pieces, angle sensor, throttle body upper cover, servo actuator drives servo actuator gear rotatory certain angle, transmit to angle sensor, angle sensor exports angle signal to the control unit on the one hand, on the other hand drives the aperture gear anticlockwise rotation who meshes with angle sensor excircle gear mutually, thereby drive the rotary motion of a plurality of aperture movable wing pieces in the throttle body and realize opening and closing of throttle valve; the throttle valve channel can be guaranteed to be a full circle under any opening degree at any time, and the more the number of the movable blades of the diaphragm is, the closer the throttle valve opening degree is to the circular shape, and the throttle valve has the advantages of stable airflow, small generated vortex, high air intake efficiency and the like.
Description
Technical Field
The utility model belongs to automotive electronics Throttle technology (Electronic Throttle Control, ETC), be a new light ring formula Electronic Throttle device, its best torque output that can realize the engine full range can realize the accurate Control to the engine air input, improves the emission of car, improves reliability and security that the vehicle travel.
Background
The automobile electronic throttle valve technology is based on an automobile electronic driving concept, and a derived new automobile electronic product is called ETC for short by people in the industry, has very high technical advantages, changes the direct mechanical connection mode of a traditional accelerator pedal and an engine throttle valve by adopting a steel wire rope or a lever mechanism, and greatly improves the accelerator control precision. At present, ETC technology is applied to cruise control, vehicle stability control, automatic transmission control, and drive slip control of automobiles. In practical application, the electronic throttle valve device mainly realizes the accurate control of the opening of the automobile throttle valve by adding a corresponding sensor and an electric control unit. At present, because the butterfly valve type throttle valve has compact structure, simple performance and high efficiency, the butterfly valve type throttle valve is widely applied to a system of an automobile, and the economy of the automobile is greatly improved; however, because the rotating shaft of the butterfly valve type throttle mechanism is positioned in the center of the air inlet, an air inlet channel formed by the butterfly valve plate and the inner wall of the air inlet is easy to form vortex, obvious interception phenomenon occurs, and the butterfly valve type throttle mechanism has the defect that the butterfly valve type throttle mechanism cannot be completely closed, the air inlet efficiency of an engine can be influenced, and oil drop atomization phenomenon can be formed.
Disclosure of Invention
In order to solve the adverse effect of the rotating shaft and the air inlet channel of the existing butterfly valve type throttle valve on air inlet and eliminate the defect that the butterfly valve type throttle valve cannot be completely closed, the utility model provides an aperture type electronic throttle valve device, which is improved and innovated on the premise of not damaging the overall performance of the throttle valve device, not only retains the advantages of the butterfly valve type throttle valve, but also ensures that the throttle valve channel is round under any opening degree, reduces air inlet eddy current, eliminates the cutoff phenomenon, improves the stability of air inlet and improves the atomization effect of air flow; meanwhile, the opening degree of the throttle valve channel is guaranteed to be a full circle all the time, and the accuracy and precision of control of the electronic throttle valve device are greatly improved.
The utility model discloses a technical scheme who solves technical problem adoption as follows: the utility model provides an iris type electron throttle device, includes the throttle body, is equipped with central exhaust passage on the throttle body, its characterized in that: also comprises a servo executing motor, a gear of the servo executing motor, a main reducing pinion, a main reducing gear wheel, an aperture fixing ring, an aperture gear, at least 8 aperture movable vanes, an angle sensor and an upper cover of a throttle body,
a transmission mechanism installation cavity is formed in the side edge of the throttle body, a servo execution motor gear is located in the transmission mechanism installation cavity, the servo execution motor is installed on the transmission mechanism installation cavity, and the servo execution motor gear is connected with a rotating shaft of the servo execution motor;
the main reducing pinion and the main reducing gearwheel are coaxially arranged in the transmission mechanism mounting cavity through a first rotating shaft, the angle sensor is supported in the transmission mechanism mounting cavity through a second rotating shaft, the main reducing gearwheel is meshed with a servo executing motor gear, the main reducing pinion is meshed with the angle sensor, and the angle sensor is meshed with an aperture gear; the transmission mechanism mounting cavity is provided with an angle sensor return spring;
the ring-shaped built-in groove on the lower surface of the aperture gear is directly matched and contacted with the ring-shaped boss on the throttle body, the aperture fixing ring is arranged on the aperture gear, the upper surface of the aperture fixing ring is contacted with the inner surface of the upper cover of the throttle body, and the aperture fixing ring is fixed on the upper cover of the throttle body; the upper cover of the throttle body is arranged on the throttle body and is fixed by bolts; the light ring movable wing panel is arranged between the light ring fixed ring and the light ring gear, the light ring movable wing panel is uniformly distributed in the circumferential direction, the rear end of the light ring movable wing panel is hinged to the light ring gear through a hinge pin, a motion clamping groove is formed in the light ring fixed ring, a wing panel motion clamping groove fixing pin is fixed on the light ring movable wing panel and is embedded in the respective motion clamping groove, the motion clamping groove is formed in the light ring fixed ring, and the wing panel motion clamping groove fixing pin drives the light ring wing panel to move in the motion clamping groove along with the rotation of the light ring gear.
In order to facilitate the matching movement of the fin motion clamping groove and the fin motion clamping groove fixing pin, two ends of the fin motion clamping groove are designed into circular arcs.
The shape of the throttle body can be designed into various types and is determined by the fixed position of each gear; the gear fixing shafts can be not on the same straight line and can form a certain angle; the aperture gear may be of non-full tooth construction.
The fixing mode of the servo actuating motor gear, the main reducer big and small gear and the angle sensor is as follows: in order to fix the servo execution motor gear, the main reducer big and small gear and the angle sensor, bearings are installed on the throttle body and the throttle body upper cover, and the servo execution motor gear, the main reducer big and small gear and each gear fixing shaft of the angle sensor are respectively supported by the throttle body and the corresponding bearings on the throttle body upper cover, so that the servo execution motor gear, the main reducer big and small gear and the angle sensor are fixed, and the three can rotate smoothly.
The requirement of sealing performance: the ring-shaped boss is arranged in the upper surface of the throttle body, and the sealing effect on the aperture gear is realized together with the inner surface of the upper cover of the throttle body.
The fixing and supporting requirements of the aperture gear are as follows: the ring-shaped built-in groove on the lower surface of the aperture gear is directly matched and contacted with the ring-shaped boss on the upper surface of the throttle body, the aperture fixing ring covers the upper surface of the aperture gear, the upper surface of the aperture fixing ring is contacted with the inner surface of the upper cover of the throttle body, and the ring-shaped boss built in the upper surface of the throttle body and the inner surface of the upper cover of the throttle body jointly realize the fixing and supporting functions on the aperture gear; meanwhile, the fin motion clamping groove fixing pin drives the diaphragm fin to move only in the motion clamping groove in the upper surface of the diaphragm fixing ring, and a certain fixing effect on the position of the diaphragm gear can be achieved.
The utility model has the advantages that: the throttle valve channel can be guaranteed to be round under any opening degree at any time, and the more the number of the movable vanes of the diaphragm is, the more the throttle valve opening degree is close to the round shape, so that the throttle valve has the advantages of stable airflow, small generated vortex, high air intake efficiency and the like, gasoline can be fully atomized and combusted, and the performance of the whole engine can be further improved.
Drawings
Fig. 1 is a front view of an aperture type electronic throttle device according to the present invention.
Fig. 2 is a plan view (cross-sectional view) of an aperture type electronic throttle device according to the present invention.
Fig. 3 is a schematic perspective view of the connection relationship between the aperture gear and the aperture movable wing of the present invention.
Fig. 4 is a schematic plane view of the connection relationship between the middle aperture gear and the aperture movable wing of the present invention.
Fig. 5 is a schematic plane view of the connection relationship between the aperture gear, the aperture movable wing and the aperture fixing ring of the present invention.
Fig. 6 is a diagram showing an opening/closing operation state of the diaphragm type electronic throttle device.
Shown in the figure: 1-servo actuator, 2-servo actuator gear, 3-main reduction gear wheel, 4-main reduction pinion, 5-angle sensor, 6-transmission mechanism installation cavity, 7-aperture gear, 8-aperture movable wing, 9-air throttle body, 10-reset spring, 11-aperture fixed ring, 12-air throttle body upper cover, 7-1-ring built-in groove, 8-1-hinge pin, 8-2-wing moving clamping groove fixed pin, 9-1-air throttle channel, 11-1-moving clamping groove and 12-air throttle body upper cover.
Detailed Description
The present invention will be further described with reference to fig. 1 to 5: an aperture type electronic throttle valve device comprises a throttle valve body 9, a servo execution motor 1, a servo execution motor gear 2, a main speed reduction gearwheel 3, a main speed reduction pinion 4, an aperture fixing ring 10, an aperture gear 7, 8 aperture movable vanes 8, an angle sensor 5 and a throttle valve body upper cover 12, wherein a throttle valve channel 9-1 is arranged on the throttle valve body 9;
a transmission mechanism installation cavity is formed in the side edge of the throttle body 13, the servo execution motor gear 1 is located in the transmission mechanism installation cavity, the servo execution motor 1 is installed on the transmission mechanism installation cavity 6, and the servo execution motor gear 2 is connected with a rotating shaft of the servo execution motor 1;
the main reducing pinion 4 and the main reducing gearwheel 3 are coaxially arranged in a transmission mechanism mounting cavity, the angle sensor 5 is supported in the transmission mechanism mounting cavity through a rotating shaft, the main reducing gearwheel 3 is meshed with the servo actuator gear 2, the main reducing pinion 4 is meshed with the angle sensor 5, and the angle sensor 5 is meshed with the aperture gear 7; the transmission mechanism mounting cavity is provided with a return spring 10 of the angle sensor;
an annular built-in groove 7-1 on the lower surface of the aperture gear 7 is directly matched and contacted with an annular boss on the upper surface of the throttle body 9, an aperture fixing ring 11 covers the upper surface of the aperture gear 7, and the upper surface of the aperture fixing ring 11 is contacted with the inner surface of an upper cover 12 of the throttle body; the aperture fixing ring 11 is fixed on the throttle body upper cover 12; the throttle body upper cover 12 covers the throttle body 9 and is fixed by bolts;
the connection relation between the aperture movable wing and the movable aperture and the aperture fixed ring is shown in figure 4 (only the connection relation between four aperture movable wings is shown in figure 4), the aperture movable wing 8 is arranged between the aperture fixed ring 11 and the aperture gear 7, the aperture movable wing 8 is arranged in the circumferential direction in an evenly distributed way, the rear end of the aperture movable wing 8 is hinged with the aperture gear 7 through a hinge pin 8-1, the aperture fixed ring 11 is provided with a motion clamping groove 11-1, a wing motion clamping groove fixing pin 8-2 is fixed on the aperture movable wing 8 and is embedded in the respective motion clamping groove 11-1, because the motion clamping groove is formed on the aperture fixing circular ring 11, the fin motion clamping groove fixing pin 8-2 drives the aperture movable fin 8 to move in the motion clamping groove along with the rotation of the aperture gear 7, and the motion clamping groove 8-2 plays a role in limiting the motion track of the aperture movable fin 8 and stabilizing the aperture movable fin;
in order to fix the servo execution motor gear, the main reducer big and small gear and the angle sensor, bearings are installed on the throttle body 9 and the throttle body upper cover 12, and the servo execution motor gear, the main reducer big and small gear and each intermediate shaft of the angle sensor are respectively supported by the throttle body and the corresponding bearings on the throttle body upper cover, so that the servo execution motor gear, the main reducer big and small gear and the angle sensor are fixed, and the three can rotate smoothly.
In practical structure, the diaphragm movable fins can be designed to be a multi-piece structure with more than 8 pieces, and the more the diaphragm movable fins are, the better the device performance is.
As shown in FIG. 5, in order to facilitate the cooperation between the fin motion slot 11-1 and the fin motion slot fixing pin 8-2, both ends of the fin motion slot 11-1 are designed to be circular arcs.
The shape of the throttle body can be designed into various types and is determined by the fixed position of each gear; the gear fixing shafts can be not on the same straight line and can form a certain angle; the aperture gear 7 may be a non-full tooth configuration (as shown in fig. 4, 5).
Referring to fig. 6, in which (a) the full open state of the diaphragm movable vane 8 (the entire throttle channel 9-1 is exposed), (b) the partial open state of the diaphragm movable vane 8 (the partial exposure of the throttle channel 9-1), (c) the partial close state of the diaphragm movable vane 8 (the closed throttle channel 9-1) is expressed, the operation principle of the present invention will be described based on 3 states shown in fig. 6:
when the vehicle is not started, the aperture position of the throttle valve is in a fully closed state as shown in fig. 6 (c); the method comprises the steps that an acceleration pedal position sensor receives an acceleration signal, then the acceleration signal is transmitted to a control unit for comprehensive analysis, after comprehensive analysis and calculation, the control unit calculates an expected throttle opening value, compares and analyzes the opening value and a throttle opening value fed back by a throttle position sensor, and then outputs a final throttle opening value signal to a servo execution motor, and optimal control of different throttle opening values is realized through starting of the servo execution motor; the utility model discloses an innovation point mainly lies in whole electron throttle device's brand-new revolution, promptly: after the servo executing motor receives the signal, the servo executing motor 1 drives the gear 2 of the servo executing motor to rotate clockwise by a certain angle and transmits the angle signal to the angle sensor 5, and the angle sensor 5 outputs an angle signal to the control unit on one hand and drives the aperture gear 7 meshed with the angle sensor to rotate anticlockwise on the other hand, so that the rotary motion of 8 aperture movable fins 8 in the throttle valve body 9 is driven to realize the opening and closing of the throttle valve;
wherein, as follows:
acceleration condition:
the pedal position sensor transmits an acceleration signal to the control unit, the servo actuator motor 1 moves after receiving the acceleration signal of the control unit, the servo actuator motor gear 2 rotates clockwise according to the instruction of the acceleration signal, the main reducer gearwheel 3 and the main reducer pinion 4 rotate coaxially and anticlockwise, simultaneously, the torque and the rotation angle are transmitted to the excircle gear of the angle sensor 5, the angle sensor 5 rotates clockwise under the action of the pulling force of the reset spring 10, the angle sensor 9 outputs an angle signal to the control unit on one hand, and drives the aperture gear 7 meshed with the angle sensor 9 to rotate anticlockwise on the other hand, 8 hinge pins 8-1 on the aperture gear 7 also rotate anticlockwise along with the aperture gear 7, as the rear ends of 8 aperture movable fins 8 are always hinged with 8 hinge pins 8-1, when the aperture gear 7 rotates, the 8 aperture movable wing pieces 8 realize anticlockwise rotation around respective hinge pins 8-1, and simultaneously, due to the limiting effect of the wing piece moving clamping groove fixing pin 8-2 on the aperture movable wing pieces 8, the aperture movable wing pieces 8 can only move in the moving clamping grooves 11-1 on the aperture fixing circular ring 11, so that the 8 aperture movable wing pieces 8 realize regular anticlockwise rotation around the respective hinge pins 8-1, the change of the throttle valve from a closed state to an open state is realized,
and (3) deceleration working condition:
when an accelerator pedal position sensor transmits a deceleration signal to a control unit, a servo actuator motor 1 moves after receiving the deceleration signal of the control unit, a servo actuator motor gear 2 rotates anticlockwise by a certain angle according to a deceleration signal instruction, a main reducer large gear 3 and a main reducer small gear 4 rotate coaxially and anticlockwise and simultaneously transmit to an angle sensor 5, the angle sensor 5 rotates clockwise, the angle sensor 5 outputs an angle signal to the control unit on one hand and drives an aperture gear 7 meshed with the outside of the angle sensor 5 to rotate clockwise on the other hand, 8 hinge pins 8-1 positioned on the aperture gear 7 also rotate clockwise along with the aperture gear 7, and as the rear ends of 8 aperture movable fins 8 are always hinged with the 8 hinge pins 8-1, when the aperture gear 7 rotates, the 8 aperture movable fins 8 are driven by the 8 hinge pins 8-1, clockwise rotation is achieved around the respective hinge pin 8-1, meanwhile, due to the limiting effect of the fin moving clamping groove fixing pin 8-2 on the diaphragm moving clamping groove 8, the diaphragm moving fin 8 can only move in the moving clamping groove 11-1 on the diaphragm fixing ring 11, regular clockwise rotation is achieved for the 8 diaphragm moving fins 8 around the respective hinge pin 8-1, the process that the throttle valve is reduced from a large opening degree to a corresponding small opening degree is achieved, and therefore the speed reduction purpose of the automobile is achieved.
In the present invention, the proposed technical features of the accessory can be combined as far as the skilled person understands and can carry out.
It will be clear to a person skilled in the art that the present invention is not limited to the details disclosed above, but that simple combinations, equivalent alterations and further modifications without departing from the technical idea of the invention are intended to be included within the scope of the invention.
Claims (5)
1. The utility model provides an iris type electron throttle device, includes the throttle body, is equipped with central exhaust passage on the throttle body, its characterized in that: also comprises a servo executing motor, a gear of the servo executing motor, a main reducing pinion, a main reducing gear wheel, an aperture fixing ring, an aperture gear, at least 8 aperture movable vanes, an angle sensor and an upper cover of a throttle body,
a transmission mechanism installation cavity is formed in the side edge of the throttle body, a servo execution motor gear is located in the transmission mechanism installation cavity, the servo execution motor is installed on the transmission mechanism installation cavity, and the servo execution motor gear is connected with a rotating shaft of the servo execution motor;
the main reducing pinion and the main reducing gearwheel are coaxially arranged in the transmission mechanism mounting cavity through a first rotating shaft, the angle sensor is supported in the transmission mechanism mounting cavity through a second rotating shaft, the main reducing gearwheel is meshed with a servo executing motor gear, the main reducing pinion is meshed with the angle sensor, and the angle sensor is meshed with an aperture gear; the transmission mechanism mounting cavity is provided with an angle sensor return spring;
the ring-shaped built-in groove on the lower surface of the aperture gear is directly matched and contacted with the ring-shaped boss on the throttle body, the aperture fixing ring is arranged on the aperture gear, the upper surface of the aperture fixing ring is contacted with the inner surface of the upper cover of the throttle body, and the aperture fixing ring is fixed on the upper cover of the throttle body; the upper cover of the throttle body is arranged on the throttle body and is fixed by bolts; the light ring movable wing panel is arranged between the light ring fixed ring and the light ring gear, the light ring movable wing panel is uniformly distributed in the circumferential direction, the rear end of the light ring movable wing panel is hinged to the light ring gear through a hinge pin, a motion clamping groove is formed in the light ring fixed ring, a wing panel motion clamping groove fixing pin is fixed on the light ring movable wing panel and is embedded in the respective motion clamping groove, the motion clamping groove is formed in the light ring fixed ring, and the wing panel motion clamping groove fixing pin drives the light ring wing panel to move in the motion clamping groove along with the rotation of the light ring gear.
2. An iris-type electronic throttle device as claimed in claim 1, wherein: the number of the aperture movable wings is 8.
3. An aperture type electronic throttle device according to claim 1 or 2, characterized in that: the two ends of the wing piece motion clamping groove are designed into circular arcs.
4. An aperture type electronic throttle device according to claim 1 or 2, characterized in that: the shape of the throttle body can be designed into various types and is determined by the fixed position of each gear; the gear fixing shafts can be not on the same straight line and can form a certain angle; the aperture gear is of a non-full-tooth structure.
5. An aperture type electronic throttle device according to claim 1 or 2, characterized in that: the fixing mode of the servo actuating motor gear, the main reducer big and small gear and the angle sensor is as follows: bearings are arranged on the throttle body and the throttle body upper cover, and the servo execution motor gear, the main reducer large and small gear and each gear fixing shaft of the angle sensor are respectively supported by the throttle body and the corresponding bearings on the throttle body upper cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920999487.7U CN210087489U (en) | 2019-06-30 | 2019-06-30 | Aperture type electronic throttle device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920999487.7U CN210087489U (en) | 2019-06-30 | 2019-06-30 | Aperture type electronic throttle device |
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| Publication Number | Publication Date |
|---|---|
| CN210087489U true CN210087489U (en) | 2020-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920999487.7U Withdrawn - After Issue CN210087489U (en) | 2019-06-30 | 2019-06-30 | Aperture type electronic throttle device |
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| Country | Link |
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| CN (1) | CN210087489U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206649A (en) * | 2019-06-30 | 2019-09-06 | 湖北汽车工业学院 | A kind of aperture-type electronic throttle valve device |
-
2019
- 2019-06-30 CN CN201920999487.7U patent/CN210087489U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206649A (en) * | 2019-06-30 | 2019-09-06 | 湖北汽车工业学院 | A kind of aperture-type electronic throttle valve device |
| CN110206649B (en) * | 2019-06-30 | 2023-11-24 | 湖北汽车工业学院 | Aperture type electronic throttle valve device |
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Granted publication date: 20200218 Effective date of abandoning: 20231124 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200218 Effective date of abandoning: 20231124 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |