WO2017088625A1 - Dispositif de pédale d'accélérateur électronique - Google Patents

Dispositif de pédale d'accélérateur électronique Download PDF

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Publication number
WO2017088625A1
WO2017088625A1 PCT/CN2016/103581 CN2016103581W WO2017088625A1 WO 2017088625 A1 WO2017088625 A1 WO 2017088625A1 CN 2016103581 W CN2016103581 W CN 2016103581W WO 2017088625 A1 WO2017088625 A1 WO 2017088625A1
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WO
WIPO (PCT)
Prior art keywords
accelerator pedal
spring
rotating shaft
electronic accelerator
friction
Prior art date
Application number
PCT/CN2016/103581
Other languages
English (en)
Chinese (zh)
Inventor
汪澎
薛辉
彭彦
张雷
张福庆
刘行尚
尹彦斌
汪植亮
Original Assignee
联合汽车电子有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 联合汽车电子有限公司 filed Critical 联合汽车电子有限公司
Publication of WO2017088625A1 publication Critical patent/WO2017088625A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K26/00—Arrangements or mounting of propulsion unit control devices in vehicles
    • B60K26/02—Arrangements or mounting of propulsion unit control devices in vehicles of initiating means or elements

Definitions

  • the present invention relates to an engine system for an automobile, and more particularly to an electronic accelerator pedal device.
  • an electronic accelerator pedal device is commonly used in automotive engine systems.
  • the electronic accelerator pedal device using the swing arm brush contact angle sensor mostly adopts a design in which the spring is placed on the rotating shaft, that is, the distance between the spring and the accelerator pedal is greater than the distance between the rotating shaft and the accelerator pedal.
  • the patent publication CN 101508243A discloses an electronic accelerator pedal for a vehicle, which includes a housing 1, a pedal arm 5, a rotating shaft 6 and a sensor module 7, the pedal arm 5 passing through
  • the rotating shaft 6 is mounted on the casing 1 and can rotate the rotating shaft synchronously.
  • the sensor module 7 is connected to the rotating shaft 6. When the rotating shaft rotates, the brush arm of the sensor module is synchronously rotated.
  • the accelerator pedal further includes a force lag generating mechanism disposed at a tail portion of the pedal arm, the force lag generating mechanism including a base, two friction members 4, a spring support 3, and a spring 2, the hollow base being located at the pedal arm 5 a rear end of the base, a friction element supporting groove is formed on each side of the base, the friction elements 4 are respectively disposed in a friction element supporting groove, and the exposed outer end surface is a friction surface; the upper end surface of the base is provided There is an open slot, the spring support 3 is disposed in the open slot, the upper end surface of the spring support 3 is provided with a spring positioning, and the spring 2 is positioned between the spring-loaded spring positioning and another spring positioning on the housing The lower end of the spring support 3 is wider at the wedge, the wedge abutting surface of the lower end two inclined surfaces of the friction element 4.
  • the spring 2 and the force lag generating mechanism are arranged in front of the rotating shaft 6, that is, the rotating shaft 6 Located between the force generating mechanism and the accelerator pedal, such a design causes the spring 2 and the force generating mechanism to be superimposed with the sensor module 7 in the width direction due to
  • the maximum diameter of the spring 2 is limited, that is, the spring 2 generally adopts a double spring that is sleeved together, and the diameter of the small spring is not to be too small, and the large spring sleeved outside the small spring does not contact the small spring, so
  • the diameter of the large spring is generally not less than 16 mm, that is, the maximum diameter of the spring 2 is generally not less than 16 mm, and the swing arm contact angle sensor must have a certain minimum thickness in the width direction to ensure the function, thereby
  • the width of the base of the electronic accelerator pedal device is too wide, which is not conduc
  • the lengths of the bases of the electronic accelerator pedal device are equal, the lengths of the inner mechanical stop point and the distance rotating shaft are relatively short, that is, the arm is short, and the principle of the lever is that the smaller the arm, the inside The greater the mechanical stop and the rotation of the shaft, the lower the strength, and the future application in the increasingly compact models of various spaces.
  • the relatively short internal mechanical stop point and the distance from the rotating shaft also make the distance between the forced downshift switch and the rotating shaft too short, so that the switch pressing stroke is amplified at the pedal arm, resulting in a bad sense of the forced downshift switch. The operation speed is slower.
  • an electronic accelerator pedal device including: a base, a pedal arm, a rotating shaft, an accelerator pedal, a sensor module, a spring, and a force lag device, wherein the pedal arm is coupled with the accelerator pedal and passes through a rotating shaft mounted on the base, the spring and a force stagnation device being mounted in a cavity of the pedal arm, the cavity being located between the rotating shaft and an accelerator pedal, the spring being mounted on the pedal arm And the force stagnation device; the sensor module includes a non-contact sensor for sensing the rotation of the rotating shaft.
  • the force stagnant device comprises: a spring support base and two friction elements, and a friction element support groove is respectively formed on both side walls of the cavity of the pedal arm The two friction elements are respectively disposed in the two friction element support grooves.
  • the spring support seat is fixed to the step In the cavity of the plate arm, and the upper end thereof is an upper narrow and a lower width wedge shape, and the two inclined surfaces of the upper end of the wedge shape are in contact with the corresponding end faces of the two friction elements.
  • the lower end surface of the spring support seat is provided with a spring position, and the spring is positioned between the spring position and another spring position on the pedal arm.
  • the force stagnation device converts the pressure of the spring to the spring support seat into a lateral urging force to the friction member, and the lateral urging force of the friction member
  • the center position of the pedal member varies depending on the position of the pedal arm, and the outer end surface of the friction member rubs against the inner wall of the base to generate a variable friction torque; the magnitude of the variable friction torque is changed by changing the spring support
  • the angle of the bevel of the upper end of the wedge is adjusted.
  • the friction element is a columnar hexahedron, and an end surface that is in contact with the inclined surfaces of the wedge-shaped upper end of the spring support seat is a curved surface or a sloped surface.
  • the cross section of the frictional element in the horizontal plane is wedge-shaped such that the frictional element obtains rotational freedom in the horizontal direction.
  • a magnet is disposed on the rotating shaft, and the sensor module is configured to sense a magnetic field of the magnet and convert an angular change of the magnetic field into an electrical signal.
  • the magnet is located on a central axis of the rotating shaft.
  • the rotating shaft is a stepped shaft.
  • the rotation of the rotating shaft is measured using a non-contact type sensor, and the non-contact type sensor is small in size, so that the length of the sensor module is small, so that the spring and the force lag device can be disposed in the
  • the cavity of the pedal arm located between the rotating shaft and the accelerator pedal fully utilizes the space inside the pedal arm while shortening the length of the rotating shaft, so that the parallel thickness of the rotating shaft and the sensor module is reduced, thereby The width of the base is greatly reduced to accommodate future applications in increasingly compact spaces.
  • FIG. 1 is a structural exploded view of an electronic accelerator pedal device in the prior art
  • FIG. 2 is an exploded view showing the structure of an electronic accelerator pedal device according to an embodiment of the present invention
  • FIG. 3 is a first cross-sectional view of an electronic accelerator pedal device in accordance with an embodiment of the present invention.
  • FIG. 4 is a second cross-sectional view of an electronic accelerator pedal device in accordance with an embodiment of the present invention.
  • Figure 5 is a third cross-sectional view of the electronic accelerator pedal device in accordance with an embodiment of the present invention.
  • Figure 6 is a cross-sectional view of a friction center in accordance with an embodiment of the present invention.
  • An embodiment of the present invention provides an electronic accelerator pedal device, as shown in FIG. 2, comprising: a base 101, a pedal arm 102, a rotating shaft 103, a sensor module 104, a spring 105, an accelerator pedal 120, and a force lag device;
  • the arm 102 is interlocked with the accelerator pedal 120 and mounted on the base 101 through the rotating shaft 103;
  • the base 101 supports the pedal arm 102 to enable it to surround between the rest position and the maximum step down position
  • the rotating shaft 103 rotates; the spring 105 returns the pedal arm 102 to the rest position.
  • the sensor module 104 includes a non-contact sensor for sensing the rotation of the rotating shaft 103. move. Compared with the brush contact angle sensor, the size of the non-contact sensor is small, so that the length of the sensor module 104 is reduced, so that the spring 105 and the force lag device can be mounted on the pedal arm.
  • the cavity of 102 the cavity is located between the rotating shaft 103 and the accelerator pedal 120, that is, the spring 105 and the force lag device may be located between the rotating shaft 103 and the accelerator pedal 120, making full use of the
  • the space inside the pedal arm 102 is such that the width of the base 101 is small.
  • the length of the rotating shaft 103 is shortened, and the length of the rotating shaft 103 is shortened to 30 mm, so that the parallel width of the rotating shaft 103 and the sensor module 104 is greatly reduced, thereby making the base 101
  • the width is further reduced to accommodate future applications in increasingly compact vehicles in a variety of spaces.
  • the force stagnant device includes a spring support base 106 and two friction elements 107, and a friction element support groove is defined on each of the two side walls of the cavity of the pedal arm 102, Two friction elements 107 are respectively disposed in the two friction element supporting grooves;
  • the spring supporting seat 106 is fixed in the cavity of the pedal arm 102, and the upper end thereof is a narrow upper and lower wide wedge shape, and the upper end of the wedge shape
  • Two inclined faces are in contact with the end faces of the two friction elements 107
  • the lower end face of the spring support seat 106 is provided with a spring positioning
  • the spring 105 is positioned at the spring positioning and another spring positioning on the pedal arm 102 between.
  • the force lag device converts the pressure of the spring 105 against the spring support seat 106 into a lateral urging force against the friction member 107, the pressure varying with the position of the pedal arm 102, the friction member
  • the outer end surface of the 107 is rubbed against the inner wall of the base 101 to generate a variable frictional force; the magnitude of the frictional force is adjusted by changing the angle of the inclined surface of the wedge-shaped upper end of the spring support base 103.
  • the force lag device converts the pressure of the spring 105 against the spring support seat 106 into a lateral urging force to the friction element 107, and the spring compression force center is caused by the difference in the amount of compression of the front and rear of the spring by different pedal arm positions.
  • the position of the pedal arm is changed back and forth, and due to the wedge-shaped structure of the spring support seat 106, it is possible to obtain a range of rotational degrees of freedom in the plane of symmetry, so that the lateral thrust center position of the friction element 107 can follow
  • the position of the pedal arm varies, the friction element
  • the outer end surface of the member rubs against the inner wall of the base to generate a variable friction torque; the magnitude of the variable friction is adjusted by changing the angle of the slope of the upper end of the wedge-shaped end of the spring support.
  • the friction element 107 is a cylindrical hexahedron whose end surface that is in contact with the two inclined faces of the wedge-shaped upper end of the spring support seat 106 is a curved surface or a sloped surface. It will be understood that the invention does not limit the specific shape of the friction element 107, it may also be other columnar structures.
  • Friction fit surface As shown in FIG. 4 and FIG. 5, during the process of rubbing the outer end surface of the friction member 107 against the inner wall of the base 101, an outer end surface of the friction member 107 and an inner wall of the base 101 are formed. Friction fit surface.
  • the cross section of the friction element 107 is wedge-shaped, and the friction element 107 forms a first slope 108 on the mating surface with the pedal arm 102, so that the friction element 107 obtains a degree of freedom of rotation in the horizontal direction.
  • the spring support base 106 forms a second inclined surface 109 on the mating surface of the pedal arm 102, so that the spring support base 106 obtains a rotational freedom in a vertical plane, thereby enabling the The angle of inclination of the frictional engagement surface in the horizontal plane can be adaptively adjusted with the angle of the inner wall of the base 101, avoiding the extra internal friction force of the friction element 107 that cannot be tilted in the horizontal plane, so that the spring 105 The spring force is closer to the design ratio to transmit pressure to the inner wall of the base, thereby improving the stability of the force lag.
  • the force lag of the force lag device increases as the pedaling depth of the accelerator pedal 120 increases, which improves the stability of the control when the accelerator pedal 120 is deeply stepped on.
  • the friction torque Tf1 is:
  • the friction torque Tf2 is:
  • a non-contact type sensor is used, and therefore, a magnet is disposed on the rotating shaft 103, and the non-contact type sensor is used to sense a magnetic field of the magnet and convert the angular change of the magnetic field into electricity. signal.
  • the magnet is located on a central axis of the rotating shaft 103, and the rotating shaft is a stepped shaft.
  • the rotation of the rotating shaft is measured by using a non-contact type sensor, and the non-contact type sensor is small in size, so that the length of the sensor module is small, thereby causing the spring and the force lag device.
  • the space between the rotating shaft and the accelerator pedal, which is located in the pedal arm, fully utilizes the space inside the pedal arm while shortening the length of the rotating shaft, thereby reducing the parallel thickness of the rotating shaft and the sensor module
  • the small size further reduces the width of the pedestal to accommodate future applications in increasingly compact spaces.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)
  • Mechanical Control Devices (AREA)

Abstract

L'invention concerne un dispositif de pédale d'accélérateur électronique comprenant une base (101), un bras de pédale (102), un arbre rotatif (103), une pédale d'accélérateur (120), un module de capteur (104), un ressort (105) et un retardateur de force, le bras de pédale (102) étant relié à la pédale d'accélérateur (120) et monté sur la base (101) par le biais de l'arbre rotatif (103), le ressort (105) et le retardateur de force étant montés dans la cavité du bras de pédale (102), la cavité étant située entre l'arbre rotatif (103) et la pédale d'accélérateur (120) et le ressort (105) étant monté entre le bras de pédale (102) et le retardateur de force; et le module de capteur (104) comprend un capteur sans contact et est utilisé pour détecter la rotation de l'arbre rotatif (103). Étant donné que la dimension du capteur sans contact est réduite, la longueur du module de capteur (104) est faible, le ressort (105) et le retardateur de force peuvent par conséquent être placés dans la cavité du bras de pédale (102), et l'espace interne du bras de pédale est par conséquent complètement utilisé. De plus, étant donné que la longueur de l'arbre rotatif (103) est réduite, l'épaisseur de l'arbre rotatif juxtaposé (103) et du module de capteur (104) est réduite, la largeur de la base (101) est considérablement réduite, le dispositif de pédale d'accélérateur électronique est adapté à être utilisé dans divers modèles de véhicules présentant des agencements spatiaux compact.
PCT/CN2016/103581 2015-11-24 2016-10-27 Dispositif de pédale d'accélérateur électronique WO2017088625A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201510824718.7 2015-11-24
CN201510824718.7A CN106740099B (zh) 2015-11-24 2015-11-24 电子油门踏板装置

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Publication Number Publication Date
WO2017088625A1 true WO2017088625A1 (fr) 2017-06-01

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WO (1) WO2017088625A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
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CN113260171A (zh) * 2021-04-30 2021-08-13 宁波汽车软轴软管有限公司 电子油门踏板电刷臂的压装装置

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CN108674181B (zh) * 2018-07-23 2024-01-26 安徽省锦瑞汽车部件有限公司 一种电子踏板结构

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WO2004108465A1 (fr) * 2003-06-05 2004-12-16 Mikuni Corporation Dispositif de pedale d'accelerateur
CN101508243A (zh) * 2008-12-25 2009-08-19 联合汽车电子有限公司 车用电子油门踏板
CN102180095A (zh) * 2011-04-14 2011-09-14 南京奥联汽车电子电器有限公司 电子油门踏板
CN203318169U (zh) * 2013-06-05 2013-12-04 上海凯众聚氨酯有限公司 电子油门踏板
CN104228573A (zh) * 2013-06-17 2014-12-24 上海海拉电子有限公司 一种迟滞产生机构及带有该迟滞产生机构的车辆踏板
CN205185872U (zh) * 2015-11-24 2016-04-27 联合汽车电子有限公司 电子油门踏板装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113260171A (zh) * 2021-04-30 2021-08-13 宁波汽车软轴软管有限公司 电子油门踏板电刷臂的压装装置
CN113260171B (zh) * 2021-04-30 2022-05-24 宁波汽车软轴软管有限公司 电子油门踏板电刷臂的压装装置

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CN106740099A (zh) 2017-05-31
CN106740099B (zh) 2024-02-23

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