CN101698419B

CN101698419B - Automobile steering sensor

Info

Publication number: CN101698419B
Application number: CN2009102234845A
Authority: CN
Inventors: 王大槐; 徐保定; 王娴雅; 白俊奇; 顾国华; 陈钱
Original assignee: Shenzhen Ger Automobile Intelligent Equipment Co ltd
Current assignee: Shenzhen Keludun Auto Intelligent Equipment Co ltd
Priority date: 2009-11-17
Filing date: 2009-11-17
Publication date: 2012-05-23
Anticipated expiration: 2029-11-17
Also published as: CN101698419A

Abstract

The invention discloses an automobile steering sensor, which is a signal parameter providing component of an intelligent safety system for automobile active anti-collision, and consists of a transmission component [1-1], a transition component [1-2] and a limiting component [1-3 ]; the automobile steering sensor can accurately provide state information (direction straight or turning, turning degree, left turning or right turning) of an automobile steering wheel at any moment to a computer of an intelligent automobile active anti-collision safety system, and provides important calculation parameters for judging whether a target appearing in front of the advancing automobile forms collision danger or not; the automobile steering sensor is very important for preventing collision and eliminating false alarms in the automobile active safety technology, and can provide powerful technical support for realizing the active safety and the intellectualization of the automobile.

Description

Automobile steering sensor

Technical field:

The present invention relates to a kind of sensor, especially relate to a kind of rotation direction sensor that is used for the automobile active safety technology.

Background technology:

Can initiatively prevent and crash-avoidance, guarantee traffic safety and pedestrains safety effectively, become market active demand as the automobile of traffic and transportation means.Now, the active safety technology of automobile has become the focus that automobile industry is upgraded, technical development is chased unexpectedly mutually in developed country; Degree in that China is much accounted of is also extraordinary, has been put into the 2006-2020 National Program for Medium-to Long-term Scientific and Technological Development.

Summary of the invention:

The purpose of this invention is to provide a kind of initiatively rotation direction sensor of anticollision intelligent safety system of automobile that is used for; The objective of the invention is to realize through following technical scheme:

A kind of automobile steering sensor comprises transmission component 1-1, transition assembly 1-2, limit assembly 1-3;

Described transmission component 1-1 comprises fixed cover 2-7, pivoted housing 2-4, and described fixed cover 2-7 is fastened on by fastener on the steering shaft of automobile and rotates in company with the steering shaft of automobile; Pivoted housing 2-4 can produce upper and lower displacement at the axis direction of fixed cover 2-7 during with respect to the positive and negative rotation of fixed cover 2-7; Pinion rack 2-1 is arranged on pivoted housing 2-4 and upward and in company with pivoted housing 2-4 carries out axial upper and lower displacement; On pivoted housing 2-4, be provided with and be used for spacing groove one; Also be provided with bearing 2-6 on fixed cover 2-7 top;

Described transition assembly 1-2 comprises fastener, miniature gears 3-2, rotating detector 3-5, supporting two 3-9; Transition assembly 1-2 is through on the bearing 2-6 that supports two 3-9 and fit closely over transmission component 1-1; Support rotating detector 3-5 is installed on two 3-9; On the S. A. of rotating detector 3-5 by the fastening miniature gears 3-2 that is equipped with of fastener; The pinion rack 2-1 of described miniature gears 3-2 and transmission component 1-1 engagement, pivoted housing 2-4 moves up and down the conversion through pinion rack 2-1 and miniature gears 3-2, on rotating detector 3-5, obtains cooresponding signal parameter; On supporting two 3-9, be provided with and be used for spacing groove two;

Described limit assembly 1-3 comprises fastener, briquetting 4-4, supporting one 4-5, directed pin 4-7, steel ball 4-8; Supporting a 4-5 is supported by the fastening steering shaft that is assemblied in automobile of fastener; Directed pin 4-7 is assemblied on supporting one 4-5, and by fastener and implement fasteningly through briquetting 4-4, directed pin 4-7 lower end is slidingly fitted in the groove one of groove two and pivoted housing 2-4 of supporting two 3-9.

In the integral structure of rotation direction sensor; Limit assembly 1-3 is assemblied in the steering shaft supporting of automobile and goes up fixed; Transition assembly 1-2 and transmission component 1-1 attach together to one and are assemblied in jointly on the steering shaft of automobile; Be slidingly fitted in because of orientation pin 4-7 lower end in the groove one of groove two and pivoted housing 2-4 of supporting two 3-9, limited and supported rotatablely moving of two 3-9 and pivoted housing 2-4, so only there is fixed cover 2-7 to rotate with the rotation of steering axles; Fixed cover 2-7 drives pivoted housing 2-4 and moves up or down at the axis direction of fixed cover 2-7 along with the steering shaft of automobile rotates to the left or to the right; Pinion rack 2-1 and miniature gears 3-2 engagement, pivoted housing 2-4 moves up and down the conversion through pinion rack 2-1 and miniature gears 3-2, on rotating detector 3-5, obtains cooresponding signal parameter; Three steel ball 4-8 are positioned on three wear-resisting nail 3-10 accordingly.

The present invention has following beneficial effect: the automobile steering sensor compact conformation; Practicality is good; In " automobile is the anticollision intelligent safety system initiatively "; It can offer computing machine to the residing at any one time status information of vehicle steering (the number of degrees, left-hand rotation or right-hand rotation that direction is kept straight on or turned, turns) exactly, for the automobile in advancing judges whether the place ahead object appearing constitutes collision risk important calculating parameter is provided; Automobile steering sensor for preventing collision and to eliminate false-alarm very important, can provide strong technical support with intelligent for the active safety of realizing automobile in the automobile active safety technology.

Description of drawings:

Fig. 1-1 and Fig. 1-2 are assembly structure figures of the present invention;

Fig. 2-1 and Fig. 2-the 2nd, the constructional drawing of transmission component;

Fig. 3-1 and Fig. 3-the 2nd, the constructional drawing of transition assembly;

Fig. 4-1 and Fig. 4-the 2nd, the constructional drawing of limit assembly;

Among Fig. 1: 1-1 transmission component, 1-2 transition assembly, 1-3 limit assembly.

The specific embodiment:

Like Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, the invention discloses a kind of automobile steering sensor, it comprises following examples:

Embodiment 1: a kind of automobile steering sensor comprises transmission component 1-1, transition assembly 1-2, limit assembly 1-3;

Embodiment 2: on the basis of previous embodiment, described pivoted housing 2-4 and fixed cover 2-7 are the screw thread drive mechanism.All the other are identical with previous embodiment.

Embodiment 3: on the basis of previous embodiment, described groove one is located on the boss of pivoted housing 2-4 circumferential outer edge, its line of centers and pivoted housing 2-4 axis parallel; Groove two is located on the boss of supporting two 3-9 circumferential outer edge, its line of centers and supporting two 3-9 axis parallels.All the other are identical with previous embodiment.

Embodiment 4: on the basis of previous embodiment, described pinion rack 2-1 is assemblied on the installation projection on the pivoted housing 2-4 circumferential outer edge by screw one 2-2.All the other are identical with previous embodiment.

Embodiment 5: on the basis of previous embodiment, support two 3-9 and go up by screw five 3-6, the fastening corner supporting 3-8 that is equipped with of screw six 3-7.All the other are identical with previous embodiment.

Embodiment 6: on the basis of previous embodiment, rotating detector 3-5 is supported on the 3-8 by nut 3-3, the fastening corner that is assemblied in of cushion 3-4.All the other are identical with previous embodiment.

Embodiment 7: on the basis of previous embodiment, support between a 4-5, supporting two 3-9 adjustable damping piece is installed.All the other are identical with previous embodiment.

Embodiment 8: on the basis of previous embodiment, described damping piece has following structure: two 3-9 tighten the wear-resisting nail 3-10 that is furnished with circumference uniform distribution in supporting; The adjustment that the size that movable steel ball 4-8, the steel ball 4-8 that circumference uniform distribution is housed protrudes supporting one 4-5 baseplane on supporting one 4-5 is assembled the screw 4-6 on it; Steel ball 4-8 is positioned on the wear-resisting nail 3-10 accordingly.All the other are identical with previous embodiment.

Embodiment 9: on the basis of previous embodiment, circumferential outer edge is laid with lug respectively on supporting one 4-5, supporting two 3-9, and steel ball 4-8, screw 4-6, wear-resisting nail 3-10 are located on the lug respectively.All the other are identical with previous embodiment.

Embodiment 10: on the basis of previous embodiment, the quantity of described wear-resisting nail 3-10, steel ball 4-8 is preferably three.All the other are identical with previous embodiment.

Embodiment 11: on the basis of previous embodiment, automobile steering sensor is to take the straight line mobile message that the circumference rotation information of vehicle steering is converted into pivoted housing 2-4, thereby realizes the simplified design of automobile steering sensor structure; Automobile steering sensor turns to, unspecified angle, can both take information for vehicle steering arbitrary.All the other are identical with previous embodiment.

Embodiment 12: on the basis of previous embodiment, described automobile steering sensor also comprises dustproof, antifouling, water repellant outer cover.All the other are identical with previous embodiment.

On the basis of above-mentioned each embodiment, the present invention also can adopt following most preferred embodiment, and wherein fastener all adopts screw:

1, transmission component 1-1 (seeing Fig. 2-1, Fig. 2-2) is made up of pinion rack 2-1, screw one 2-2, screw two 2-3, pivoted housing 2-4, screw three 2-5, bearing 2-6, fixed cover 2-7; Fixed cover 2-7 is fastened on (seeing Fig. 2-1, Fig. 1-2) on the steering shaft of automobile and rotates in company with the steering shaft of automobile by screw two 2-3, screw three 2-5; Pivoted housing 2-4 and fixed cover 2-7 are the screw thread drive mechanism, and pivoted housing 2-4 can produce upper and lower displacement at its axis direction during with respect to the positive and negative rotation of fixed cover 2-7; Pinion rack 2-1 is assemblied on the installation projection on the pivoted housing 2-4 circumferential outer edge by screw one 2-2, and carries out axial upper and lower displacement in company with pivoted housing 2-4; The boss of pivoted housing 2-4 circumferential outer edge is provided with the groove one that is used to locate, its line of centers and pivoted housing 2-4 axis parallel;

2, transition assembly 1-2 (seeing Fig. 3-1, Fig. 3-2) is made up of screw four 3-1, miniature gears 3-2, nut 3-3, cushion 3-4, rotating detector 3-5, screw five 3-6, screw six 3-7, corner supporting 3-8, supporting two 3-9, wear-resisting nail 3-10; Support and be equipped with corner supporting 3-8 on two 3-9, implement fastening by screw five 3-6, screw six 3-7; Rotating detector 3-5 is assemblied on the corner supporting 3-8, implements fastening by nut 3-3, cushion 3-4; Be equipped with miniature gears 3-2 on the S. A. of rotating detector 3-5, implement fastening by screw four 3-1; Circumferential outer edge at supporting two 3-9 is laid with lug respectively, and the wear-resisting nail 3-10 of three circumference uniform distributions is located on the lug respectively; Support two 3-9 and fit closely over bearing 2-6 upward (seeing Fig. 1-2, Fig. 2-1); On the boss of supporting two 3-9 circumferential outer edge, be provided with groove two, its line of centers and supporting two 3-9 axis parallels.

3, limit assembly 1-3 (seeing Fig. 4-1, Fig. 4-2) is made up of screw seven 4-1, screw eight 4-2, screw nine 4-3, briquetting 4-4, supporting one 4-5, screw ten 4-6, directed pin 4-7, steel ball 4-8; Support the steering shaft supporting that a 4-5 is assemblied in automobile and go up (seeing Fig. 4-2, Fig. 1-2), implement fastening by screw seven 4-1; Directed pin 4-7 is assemblied on supporting one 4-5, also implements fastening through briquetting 4-4 by screw eight 4-2, screw nine 4-3; The adjustment that the size that movable steel ball 4-8, the steel ball 4-8 that circumference uniform distribution is housed protrudes supporting one 4-5 baseplane on supporting one 4-5 is assembled the screw 4-6 on it; Circumferential outer edge at supporting one 4-5 is laid with three lugs respectively, and three groups of steel ball 4-8, screw 4-6 are located at respectively on three lugs; Steel ball 4-8 is positioned on the wear-resisting nail 3-10 accordingly; Directed pin 4-7 lower end is slidingly fitted in the groove one of groove two and pivoted housing 2-4 of supporting two 3-9.

In the integral structure of rotation direction sensor; Limit assembly 1-3 is assemblied in the steering shaft supporting of automobile and goes up fixed (seeing Fig. 1-1, Fig. 1-2); Transition assembly 1-2 and transmission component 1-1 attach together to one and are assemblied in jointly on the steering shaft of automobile; Be slidingly fitted in because of orientation pin 4-7 lower end in the groove one of groove two and pivoted housing 2-4 of supporting two 3-9, limited and supported rotatablely moving of two 3-9 and pivoted housing 2-4, so only there is fixed cover 2-7 to rotate with the rotation of the steering shaft of automobile; Fixed cover 2-7 drives pivoted housing 2-4 and moves up or down at the axis direction of fixed cover 2-7 along with the steering shaft of automobile rotates to the left or to the right; Pinion rack 2-1 and miniature gears 3-2 engagement, pivoted housing 2-4 moves up and down the conversion through pinion rack 2-1 and miniature gears 3-2, on rotating detector 3-5, obtains cooresponding signal parameter; Under the mode of operation,, can know clearly the corner size and the rotation direction in arbitrary moment of vehicle steering through receiving the transmission signals of rotating detector 3-5; Three steel ball 4-8 are positioned on three wear-resisting nail 3-10 accordingly, and under the mode of operation, the relative steel ball 4-8 of wear-resisting nail 3-10 has moving about of trace.

Claims

1. An automobile steering sensor, comprising a transmission assembly [1-1], a transition assembly [1-2], and a limit assembly [1-3]; it is characterized in that,

The transmission assembly [1-1] includes a fixed sleeve [2-7] and a rotating sleeve [2-4]. The fixed sleeve [2-7] is fastened on the steering shaft of the automobile by fasteners and Rotate with the steering shaft of the car; when the rotating sleeve [2-4] rotates positively and negatively relative to the fixed sleeve [2-7], it can produce up and down displacement in the axial direction of the fixed sleeve [2-7]; the small rack [ 2-1] is set on the rotary sleeve [2-4] and moves up and down axially with the rotary sleeve [2-4]; there is a slot 1 for limiting on the rotary sleeve [2-4]; Cover [2-7] top is also provided with bearing [2-6];

The transition assembly [1-2] includes fasteners, pinion [3-2], rotary sensor [3-5], support two [3-9]; the transition assembly [1-2] passes through the support two [3-9] is tightly assembled on the bearing [2-6] of the transmission assembly [1-1]; the rotary sensor [3-5] is installed on the support two [3-9]; the rotary sensor [3-5] ] is fastened with a pinion [3-2] on the rotating shaft by a fastener; the pinion [3-2] meshes with the pinion [2-1] of the transmission assembly [1-1], The up and down movement of the rotary sleeve [2-4] obtains the corresponding signal parameters on the rotary sensor [3-5] through the conversion of the pinion rack [2-1] and the pinion [3-2]; 3-9] is provided with slot two for limiting;

The limiting assembly [1-3] includes a fastener, a pressure block [4-4], a support [4-5], an orientation pin [4-7], and a steel ball [4-8]; a support [ 4-5] is fastened and assembled on the steering shaft support of the automobile by fasteners; the orientation pin [4-7] is assembled on the support one [4-5], and is connected by the fasteners and through the pressing block [4-4] Implement fastening, orienting pin [4-7] lower end slides and fits in the groove two of bearing two [3-9] and the groove one of rotary sleeve [2-4].

2. The automobile steering sensor according to claim 1, characterized in that, the rotary sleeve [2-4] and the fixed sleeve [2-7] are threaded transmission structures.

3. The automobile steering sensor according to claim 1 or 2, characterized in that, the first groove is arranged on the boss on the outer edge of the rotary sleeve [2-4], and its centerline is in line with the rotary sleeve [2-4]. 4] axis line is parallel; Groove two is located on the boss of support two [3-9] circumference outer edge, and its center line is parallel with support two [3-9] axis line.

4. The automobile steering sensor according to claim 3, characterized in that, the pinion rack [2-1] is assembled on the outer edge of the rotary sleeve [2-4] by a screw [2-2]. Mount on bumps.

5. The automobile steering sensor according to claim 1 or 4, characterized in that the support two [3-9] is fastened with a corner support [ 3-8].

6. The automobile steering sensor according to claim 5, characterized in that the rotary sensor [3-5] is fastened and assembled on the corner support [3-8] by a nut [3-3] and an elastic pad [3-4]. ]superior.

7. The automobile steering sensor according to claim 1 or 2 or 4 or 6, characterized in that an adjustable damper is installed between the first support [4-5] and the second support [3-9].

8. The automobile steering sensor according to claim 7, characterized in that, the damping member has the following structure: steel balls [4-8] uniformly distributed around the circumference are movable on the support one [4-5], steel balls [4-8] The size of the bottom plane of the protruding support one [4-5] is adjusted by the screw [4-6] assembled on it; the support two [3-9] is tightened with wear-resistant Nail [3-10]; steel ball [4-8] is correspondingly positioned on the wear-resistant nail [3-10].

9. The automobile steering sensor according to claim 8, characterized in that lugs are evenly distributed on the outer edges of the support one [4-5] and support two [3-9] respectively, and the steel balls [4-8] , screws [4-6], and wear-resistant nails [3-10] are respectively located on the lugs.

10. The automobile steering sensor according to claim 8 or 9, characterized in that the number of the steel balls [4-8], screws [4-6] and wear-resistant nails [3-10] is preferably three .

11. The automobile steering sensor according to claim 1, characterized in that, the automobile steering sensor can obtain information for any steering and any angle of the steering wheel of the automobile.

12. The automobile steering sensor according to claim 1, characterized in that, the automobile steering sensor further comprises a dust-proof, dirt-proof and waterproof outer cover.