CN1702427A - Apparatus for carrying out pedal travel detection - Google Patents
Apparatus for carrying out pedal travel detection Download PDFInfo
- Publication number
- CN1702427A CN1702427A CN 200510021178 CN200510021178A CN1702427A CN 1702427 A CN1702427 A CN 1702427A CN 200510021178 CN200510021178 CN 200510021178 CN 200510021178 A CN200510021178 A CN 200510021178A CN 1702427 A CN1702427 A CN 1702427A
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- pedal
- stroke sensor
- rotation
- foot pedal
- sensor
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Abstract
A checkout and execute device of pedal stroke comprises a stroke sensor connected with pedal arm through connecting structure, wherein, said pedal arm with pedal structure in one side is fixed to the basement through the middle hinging supporting point, and is connected with driven structure for driving stroke sensor in another side through hinge-type driving rod structure. The device can achieve the rotation of drive stroke sensor with a small gyroradius meeting the need through adjusting the length proportion of individual bar in rod structure.
Description
Technical field
But what the present invention relates to is the actuating unit that a kind of particularly suitable but be not limited only to detects the angular displacement path increment testing agency of auto pedal.
Background technology
By the realization of trampling to pedal structure the change of startup, braking or the running status of equipment being controlled, is a kind of usual way in many fields such as industry, traffic.Handling with well-known car steering is example, standing being equipped with in automobile as multiple functional control pedals such as acceleration, braking, clutches, after human pilot is trampled different pedals, carry out the rotational travel online in real time detection of pedal when foot-operated by corresponding electronic sensing device, change the variation in angular displacement amount of corresponding pedal again through the electric parameter of different qualities, to realize manipulation and control to the corresponding driving intention of vehicle.
Publication number is that the Chinese patent literature of CN1120660A discloses a kind of paddle device for detecting distance of travel, be provided with the swinging stroke sensor that has with the rotation of the axis of pedal rotation almost parallel in its device, the link of installing on the rod member top ends on stroke sensor is inserted in the guide of the foot pedal lever side that is fixed on revolution fulcrum one side, uses the angle that the bindiny mechanism of stroke sensor is rotated than the little radius of foot pedal lever revolution to obtain amplifying.Though this device is simple and practical, has certain specific aim, a kind of version of can yet be regarded as is the electric mechanical pick-up unit preferably, but the length as the bar hole of its guide chute defines the pedal rotational angle, therefore when using the radius littler to make the stroke sensor rotation, on the installation site, there is certain limitation than the pedal turning radius.Simultaneously, the rotating shaft of this sensor and the rotational angle between the pedal are fixed than relation, can not satisfy driver's steering vehicle manipulation custom, travelling requires and drives comfort, appropriate to the occasion mild strong as vehicle launch, overtake other vehicles should raise speed again when quickening rapidly etc.The accelerator open degree Cheng Ding of pedal aperture and control is than relation, then starts, process such as acceleration will very stiff all, the steady comfort of shortage driving process.
Set forth a kind of in the Chinese patent of Granted publication CN2612928Y in order to detect the sensor of pedal-displacement, this sensor is made up of pivot arm, potentiometer and pressure plate, be connected on potentiometer, the pedal with contact respectively and the angle displacement between two pivot arms of same fulcrum rotation is the corresponding potential difference (PD) variable quantity of linear scaling by detecting, and then be converted into the displacement of pedal.Though it is it is feasible as a kind of mode of measuring application,, relatively poor in the practical application to the adaptability of vehicle because of taking than large space.
Other also has some use hydraulic pressure, the pneumatic mechanism of report to reach the mechanism that stroke amplifies, and because of all having the hysteresis of carrying out response, easily there is certain hidden danger in the gear train relative complex to reliability.
Summary of the invention
At the problems referred to above, though the present invention will provide a kind of actuating unit that can particularly suitable be not limited only to detect the angular displacement path increment testing agency of auto pedal, what this device adopted is a kind of simple mechanical structure form.
Pedal travel of the present invention detects the structure of actuating unit, and its stroke sensor is connected with foot pedal lever through syndeton equally.Wherein, the hinged support point of foot pedal lever through its middle part that at one end is provided with pedal structure is fixed on the pedestal, and the foot pedal lever of hinged support point opposite side is connected with the driven structure that drives stroke sensor through the kinematic link structure of articulated form.Said this pedestal that is used to be provided with foot pedal lever hinged support point can be fixed in the corresponding site of car body in motor vehicle, for other application apparatus, then can be fixed in the corresponding site place of matrix or frame.
Particularly, when the trip sensor in the above-mentioned pedal travel detection actuating unit is the swinging angular displacement sensor, the driven structure of said its rotation of drive that is connected with the kinematic link structure of articulated form can be adopted as a kind of structure of rotation rocking arm, runner or other the corresponding form that is connected with it through rotation axis.Make corresponding sensor can produce the transducing signal that a corresponding angular amount is rotated by the bar linkage structure driven rotary rocking arm that plays gearing.
In above-mentioned structure, said the trip sensor can be provided with in different ways according to practical situations or needs.The mode of its setting and/or position difference also can have different accordingly as it with the corresponding form of this bar linkage structure of drive mechanism between foot pedal lever.For example, in a application example that is arranged on the motor vehicle that can be for reference, what this swinging angular displacement stroke sensor adopted is the form that parallels setting with its rotation axis with the direction of the hinged pivot center of foot pedal lever, corresponding this articulated con-rod structure can adopt the simplest kinematic link form of structure, by its two ends are connected through the rotation rocker-arm of articulated structure with foot pedal lever and stroke sensor respectively, promptly may realize pedal travel is detected the purpose and the requirement of sensing with the structure that minimum takes up space.
On the said structure basis, if change stroke sensor position and/or direction be set, then the kinematic link structure of said this articulated form can realize by the form of two or more kinematic links of being hinged successively with head and the tail.
Be appreciated that the articulated form bar linkage structure that acts on gear train in apparatus of the present invention by basic mechanical principle, the reliable in action in its course of work is higher to be big characteristics.In addition, by the relation of the length ratio between each rod member in the aforementioned link mechanism is adjusted and is made up, can also obtain to make stroke sensor produce the stroke enlarging function that corresponds to actual needs or wish with the radius littler than the pedal turning radius, it is little to take up room, and the installation site is also more flexible.Simultaneously, another distinguishing feature of said apparatus of the present invention, be that foot pedal lever is in the quilt turning course of trampling, can make the sensor rotating shaft obtain the tarnsition velocity of a variation, and obtain the relation of nonlinear curve correspondence, this relation more meets the stroke detection of pedal or the actual conditions of control characteristic, driving custom and the driving in the driving process that meets the driver requires (the vehicle launch process and the accelerator etc. of overtaking other vehicles as the aforementioned), and makes the aperture correspondence of throttle in the pedal depression process meet the angle that the stroke sensor rotating shaft is rotated.
Also be appreciated that thus, said apparatus of the present invention removes can be especially and preferentially be used for the various functional pedal of motor vehicle, outside various pedal rotational travel detections such as accelerator pedal, clutch pedal, brake pedal, equally also can be applied to the stroke detection of other equipment of controlling and handling by pedal.
Below, foregoing of the present invention is described in further detail again by embodiment by the accompanying drawing illustrated embodiment.
Description of drawings
Fig. 1 is a kind of structural representation that pedal travel of the present invention detects actuating unit.
Fig. 2 is the synoptic diagram of a kind of structure of A-A revolved section among Fig. 1.
Fig. 3 is the synoptic diagram of the another kind of structure of A-A revolved section among Fig. 1.
Fig. 4 is that Fig. 1 structure motion concerns synoptic diagram.
Fig. 5 is the synoptic diagram that concerns by the foot pedal lever of Fig. 1 structure acquisition and sensor rotating shaft angle.
Embodiment
Illustrated in figures 1 and 2 be a kind of stroke detection actuating unit that is applied to motor vehicle pedal.In its structure, the hinged support axle 12 of the foot pedal lever 5 that an end is provided with pedal 1 through being provided with in the middle is fixed on the hinged-support 2 of car body, is connected with a connecting rod 7 through hinge 4 at the suitable position place of hinged support axle 12 opposite sides 3 of foot pedal lever 5.Swinging angular displacement stroke sensor 10 is installed in (not shown) on the car body frame with its rotation axis 9 with the mode that the hinged support axle 12 of foot pedal lever 5 parallels, and is fixed with a driven structure 8 of rotation rocker-arm that can drive its rotation through rotation axis 9 on it.The other end of connecting rod 7 is connected in the drive end of the driven structure 8 of this rotation rocker-arm through another hinge 11.Wherein, the length ratio relation of each the transmission arm of force that is linked in sequence successively with 9 of its rotation axiss by pedal hinged support axle 12 to swinging angular displacement stroke sensor 10 can design according to the actual needs.Said articulated hinges 4,11 grades that are used for also can adopt cambered surface articulated type articulated structure in the structure except that can using common pin type hinge arrangement; Connecting rod 7, rotation rocker-arm driven structure 8 etc. can adopt metal sheet commonly used, or have the nonmetal drip molding etc. of sufficient intensity.
Jam on pedal 1 and make foot pedal lever 5 when the bolster 12 of hinged-support rotates, the driven structure 8 of rotation rocker-arm that can drive stroke sensor 10 with the radius littler than the pedal turning radius by linkage assembly 7 rotate around it axle 9 and rotate.
Shown in Figure 3 is the sectional structure form of the another kind of A-A among above-mentioned Fig. 1, is with the difference of Fig. 2: the hinge 4 of suitable position place through having the oscillating bearing structure of hinged support axle 12 opposite sides 3 of foot pedal lever 5 wherein is connected with a connecting rod 7; The other end of connecting rod 7 is connected in the drive end of the driven structure 8 of this rotation rocker-arm through another hinge 11 that also has the oscillating bearing structure.From the machine construction principle of oscillating bearing as can be known because the oscillating bearing that above-mentioned connecting rod bindiny mechanism two-end part is distributed with, connecting rod 7 and foot pedal lever 5 with rotate the driven structure 8 of rocker-arm and can be implemented under the mutual uneven state and be connected transferring power.So, swinging angular displacement stroke sensor 10 promptly can be according to the actual installation needs, its rotation axis 9 are paralleled or nonparallel mode is installed on the car body frame with the hinged support axle 12 of foot pedal lever 5.
Shown in Figure 4 is with structure shown in Figure 1 in foot pedal lever 5 drive the transmission kinematic relation that the rotating shaft 9 of stroke sensors 10 is rotated with the gyration that is the center of its hinged support axle 12 through connecting rod 7.Foot pedal lever 5 rotates along radii fixus around hinged support axle 12; Can the detour rotating shaft 9 of journey sensor 10 of rotation rocker-arm driven structure 8 is rotated.By the principle of connecting rod transmission as can be known, contain adjustment, can realize the enlarging function of diagonal displacement stroke by change to each the rod member length proportion relation in the linkage assembly that comprises connecting rod 7.Therefore, above-mentioned structure setting can make the driven structure 8 of rotation rocker-arm of stroke sensor 10 obtain necessary revolution stroke by the pedal rotation amplitude, reaches stroke sensor 10 with respect to the little purpose of 5 installation site limitation that is subjected to foot pedal lever.
Shown in Figure 5 is makes the angle of rotation of the foot pedal lever 5 that stroke sensor 10 obtains and the corresponding curve map of angle of rotation of sensor rotating shaft 9 with Fig. 3 kinematic relation and principle.Depressing pedal, making foot pedal lever 5 is that rotate at the center with hinged support axle 12, and the transmission by connecting rod 7 makes in the processes of the driven structure 8 of rotation rocker-arm 9 rotations around the shaft, the position relation of the driven structure 8 of rotation rocker-arm is changed from small to big by the linear velocity tangential component at the initial stage of rotation, rotating distance increases gradually, shown in the figure curve, the driven structure 8 of rotation rocker-arm can obtain the mild big angle amount aperture that becomes; Continuous depress pedal during in, the velocity of rotation of the driven structure 8 of rotation rocker-arm is accelerated, and obtains bigger angle amount aperture fast; In the latter stage that depresses the pedal process, the linear velocity tangential component of the driven structure 8 of rotation rocker-arm reduces again, and rotating distance reduces gradually, and its angle amount aperture tends towards stability again gradually.So can reach the maximum opening of realizing the restricting vehicle air throttle in control, promptly the F-Zero of motor vehicles is guaranteed the purpose of safety of driving.
Can clearer understanding be arranged to the present invention by the above embodiments, but these embodiment should be interpreted as it is restriction subject area of the present invention.Do not breaking away from and changing under the above-mentioned technological thought situation of the present invention, replacement or the change that can also make other various ways according to the ordinary skill knowledge and/or the customary means of this area, and all should comprise within the scope of the present invention.
Claims (4)
1. the detection actuating unit of pedal travel, stroke sensor is connected with foot pedal lever through syndeton, it is characterized in that an end is provided with the hinged support point (12) of the foot pedal lever of pedal structure (5) through its middle part and is fixed on the pedestal, the foot pedal lever (5) of hinged support point (12) opposite side is connected with the driven structure (8) that drives stroke sensor (10) rotation axis (9) through the kinematic link structure (7) of articulated form.
2. the detection actuating unit of pedal travel as claimed in claim 1, it is characterized in that said stroke sensor (10) is the swinging angular displacement sensor, the rotation rocking arm of this driven structure (8) that is connected with the kinematic link structure of articulated form for being connected through rotation axis (9) and this sensor.
3. the detection actuating unit of pedal travel as claimed in claim 2, it is characterized in that said stroke sensor (10) parallels setting with its rotation axis (9) with the direction of the hinged pivot center of foot pedal lever (5), the kinematic link structure (7) of articulated form is the kinematic link that two ends are connected with the driven structure of rotation rocker-arm (8) of foot pedal lever (5) and stroke sensor (10) through articulated structure (4,11) respectively.
4. the detection actuating unit of pedal travel as claimed in claim 1 or 2 is characterized in that in the kinematic link structure (7) of said articulated form at least two kinematic links that are hinged successively with head and the tail being arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510021178 CN1702427A (en) | 2005-06-27 | 2005-06-27 | Apparatus for carrying out pedal travel detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510021178 CN1702427A (en) | 2005-06-27 | 2005-06-27 | Apparatus for carrying out pedal travel detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1702427A true CN1702427A (en) | 2005-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510021178 Pending CN1702427A (en) | 2005-06-27 | 2005-06-27 | Apparatus for carrying out pedal travel detection |
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| CN (1) | CN1702427A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101920659A (en) * | 2009-06-16 | 2010-12-22 | 三菱自动车工业株式会社 | The mounting structure of pedal stroke sensor |
| CN102958766A (en) * | 2010-07-07 | 2013-03-06 | 罗伯特·博世有限公司 | Sensor arrangement for a pedal and method for preparing information concerning actuation of a pedal |
| CN103286632A (en) * | 2013-05-08 | 2013-09-11 | 宁波海天精工股份有限公司 | State detector for accessory-head pulling oil cylinder |
| CN103308023A (en) * | 2013-01-05 | 2013-09-18 | 中国航空工业集团公司西安飞机设计研究所 | Angle displacement measurement device and method |
| CN103386914A (en) * | 2013-08-12 | 2013-11-13 | 三一矿机有限公司 | Lifting stationarity control system and mining dump truck |
| CN107097771A (en) * | 2017-05-11 | 2017-08-29 | 清华大学 | A kind of braking pedal displacement transducer |
| CN108674181A (en) * | 2018-07-23 | 2018-10-19 | 安徽省锦瑞汽车部件有限公司 | A kind of electronic pedal structure |
| CN108801106A (en) * | 2018-07-28 | 2018-11-13 | 国营芜湖机械厂 | A kind of interlocking mechanism is without stop stroke measuring device and measurement method |
| CN110044233A (en) * | 2019-05-16 | 2019-07-23 | 沈阳飞机工业（集团）有限公司 | Contactless arm parts free travel checks measuring instrument and its application method |
-
2005
- 2005-06-27 CN CN 200510021178 patent/CN1702427A/en active Pending
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101920659A (en) * | 2009-06-16 | 2010-12-22 | 三菱自动车工业株式会社 | The mounting structure of pedal stroke sensor |
| US9631918B2 (en) | 2010-07-07 | 2017-04-25 | Robert Bosch Gmbh | Sensor device for a pedal, and a method for providing information regarding an operation of a pedal |
| CN102958766A (en) * | 2010-07-07 | 2013-03-06 | 罗伯特·博世有限公司 | Sensor arrangement for a pedal and method for preparing information concerning actuation of a pedal |
| CN102958766B (en) * | 2010-07-07 | 2015-11-25 | 罗伯特·博世有限公司 | For the sensor device of pedal with for providing the method for the information about controlled pedal |
| CN103308023A (en) * | 2013-01-05 | 2013-09-18 | 中国航空工业集团公司西安飞机设计研究所 | Angle displacement measurement device and method |
| CN103308023B (en) * | 2013-01-05 | 2016-03-30 | 中国航空工业集团公司西安飞机设计研究所 | A kind of angle displacement measuring device and measuring method |
| CN103286632A (en) * | 2013-05-08 | 2013-09-11 | 宁波海天精工股份有限公司 | State detector for accessory-head pulling oil cylinder |
| CN103286632B (en) * | 2013-05-08 | 2015-11-11 | 宁波海天精工股份有限公司 | A kind of condition checkout gear of pull head oil cylinder |
| CN103386914A (en) * | 2013-08-12 | 2013-11-13 | 三一矿机有限公司 | Lifting stationarity control system and mining dump truck |
| CN107097771A (en) * | 2017-05-11 | 2017-08-29 | 清华大学 | A kind of braking pedal displacement transducer |
| CN107097771B (en) * | 2017-05-11 | 2023-09-12 | 清华大学 | Novel brake pedal displacement sensor |
| CN108674181A (en) * | 2018-07-23 | 2018-10-19 | 安徽省锦瑞汽车部件有限公司 | A kind of electronic pedal structure |
| CN108674181B (en) * | 2018-07-23 | 2024-01-26 | 安徽省锦瑞汽车部件有限公司 | Electronic pedal structure |
| CN108801106A (en) * | 2018-07-28 | 2018-11-13 | 国营芜湖机械厂 | A kind of interlocking mechanism is without stop stroke measuring device and measurement method |
| CN108801106B (en) * | 2018-07-28 | 2020-07-03 | 国营芜湖机械厂 | Device and method for measuring dead-point-free stroke of interlocking mechanism |
| CN110044233A (en) * | 2019-05-16 | 2019-07-23 | 沈阳飞机工业（集团）有限公司 | Contactless arm parts free travel checks measuring instrument and its application method |
| CN110044233B (en) * | 2019-05-16 | 2024-03-08 | 沈阳飞机工业（集团）有限公司 | Non-contact rocker arm part free travel checking measuring instrument and use method thereof |
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