CN217085008U

CN217085008U - Dual-channel redundant wheel speed sensor

Info

Publication number: CN217085008U
Application number: CN202221050023.XU
Authority: CN
Inventors: 汪振; 唐全忠; 徐继林; 胡卫明
Original assignee: Anhui Nanke Electronic Holding Group Co ltd; Huangshan Xinxian Automotive Electronics Co ltd
Current assignee: Anhui Nanke Electronic Holding Group Co ltd; Huangshan Xinxian Automotive Electronics Co ltd
Priority date: 2022-05-05
Filing date: 2022-05-05
Publication date: 2022-07-29
Anticipated expiration: 2032-05-05

Abstract

The utility model discloses a redundant fast sensor of wheel of binary channels, including the sensor frame, the protection head is installed to sensor frame front end, sensor frame mid-mounting has the bush, install the bolt in the bush, the inside two sensor chip that are provided with of protection head, the connection piece that is located sensor frame inside is installed to sensor chip one side, the one end that sensor chip was kept away from to the connection piece is connected with the pin. This device is through setting up two sensor chip, and another sensor chip can play when damage appears in one of them sensor chip and continue to take notes data to redundant backup function in the cooperation, two sensor chip can accomplish complementary effect to data, reduces vehicle fault probability, and the friction leather sheath and the spring that set up simultaneously can play the effect of restriction to the data transmission line, and the not hard up condition of effectual prevention data line guarantees that the sensor body is long-term to be operated.

Description

Dual-channel redundant wheel speed sensor

Technical Field

The utility model belongs to the technical field of the fast sensor of wheel and specifically relates to a fast sensor of redundant wheel of binary channels.

Background

The wheel speed sensor is a sensor for measuring the rotating speed of the wheels of the automobile. Wheel speed information is essential for modern automobiles, and is required for automobile dynamic control systems, automobile electronic stability programs, anti-lock brake systems, control systems of automatic transmissions, and the like. Wheel speed sensors are one of the most critical sensors in modern automobiles.

At present, active wheel speed sensors are single chips, the sensors are damaged or malfunction alarm can cause functional failure, the development requirements of intelligent and automatic driving technologies cannot be met, meanwhile, the wheel speed sensors can cause the problems that a data transmission line is loosened or falls off and the like in the process of long-term running of a vehicle, and the vehicle is caused to lose rotating speed information.

To this end, we propose a dual-channel redundant wheel speed sensor to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a redundant fast sensor of binary channels to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a quick sensor of redundant wheel of binary channels, includes the sensor frame, the protection head is installed to sensor frame front end, sensor frame mid-mounting has the bush, install the bolt in the bush, the inside two sensor chip that is provided with of protection head, the connection piece that is located sensor frame inside is installed to sensor chip one side, the one end that sensor chip was kept away from to the connection piece is connected with the pin, both sides fixedly connected with prevents moving the piece about the sensor frame, two the sensor chip is parallelly connected.

In a further embodiment, a slot is formed in one side, close to the pins, of the sensor outer frame, a friction leather sheath is sleeved on the outer wall of the sensor outer frame, a clamping interface which is movably connected with the anti-moving block is formed in the surface of the friction leather sheath, and a threading sleeve is fixedly connected to one end of the friction leather sheath.

In a further embodiment, the top of the friction leather sleeve is connected with a waterproof leather sleeve through a rubber block, and the waterproof leather sleeve and the lining correspond to each other.

In a further embodiment, the left and right sides of the protection head are provided with inclined planes.

In a further embodiment, a spring sleeved outside the outer frame of the sensor is arranged on the inner side of the friction leather sheath.

Compared with the prior art, the beneficial effects of the utility model are that:

this device is through setting up two sensor chip, and another sensor chip can play when damage appears in one of them sensor chip and continue to take notes data to redundant backup function in the cooperation, two sensor chip can accomplish complementary effect to data, reduces vehicle fault probability, and the friction leather sheath and the spring that set up simultaneously can play the effect of restriction to the data transmission line, and the not hard up condition of effectual prevention data line guarantees that the sensor body is long-term to be operated.

Drawings

Fig. 1 is a schematic front view of a dual-channel redundant wheel speed sensor.

FIG. 2 is a schematic diagram of a rear view of a dual-channel redundant wheel speed sensor.

FIG. 3 is a schematic diagram of a sensor chip and a connecting pad in a dual-channel redundant wheel speed sensor.

Fig. 4 is a schematic structural diagram of a pin in a dual-channel redundant wheel speed sensor.

FIG. 5 is a schematic diagram of the relative mounting positions of corresponding magnetic encoders of the dual channel redundant wheel speed sensor.

In the figure: 1. a sensor outer frame; 2. a sensor chip; 3. connecting sheets; 4. a pin; 5. a bushing; 6. rubbing the leather sheath; 601. a card interface; 602. threading a sleeve; 7. a waterproof leather sheath; 8. a protective head; 801. a bevel; 9. a movement prevention block; 10. a spring.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-5, in the utility model, a quick sensor of redundant wheel of binary channels, including sensor frame 1, protection head 8 is installed to 1 front end of sensor frame, and 1 mid-mounting of sensor frame has bush 5, installs the bolt in the bush 5, and protection head 8 is inside to be provided with two sensor chip 2, and sensor chip 2 installs the connection piece 3 that is located 1 inside of sensor frame in one side, and the one end that sensor chip 2 was kept away from to connection piece 3 is connected with pin 4, and both sides fixedly connected with prevents moving piece 9 about sensor frame 1, and two sensor chip 2 are parallelly connected.

This device is through setting up two sensor chip 2, and when one of them sensor chip 2 appeared damaging, another sensor chip 2 can play the replacement effect, still possesses the redundant backup function in this device simultaneously, and when one of them sensor chip 2 damaged through the mode of backing up more, another sensor chip 2 can also arbitrary acquire data, and the backup is many times.

Example 1

Please refer to fig. 1-5, in an embodiment of the present invention, a dual-channel redundant wheel speed sensor, a slot is opened on one side of the sensor frame 1 near the pin 4, a friction leather sheath 6 is sleeved on the outer wall of the sensor frame 1, a joint interface 601 for preventing the mutual movable connection of the moving block 9 is opened on the surface of the friction leather sheath 6, a threading sleeve 602 is fixedly connected to one end of the friction leather sheath 6, the friction leather sheath 6 can be fixed on the moving block 9 through the joint interface 601, the inside of the friction leather sheath 6 is a joint portion of the data transmission line, the joint of the data transmission line needs to be connected with the slot of the sensor frame 1, and the wire part passes through the threading sleeve 602, so that the effective fixation of the joint portion of the data transmission line is formed.

6 tops of friction leather sheath are connected with waterproof leather sheath 7 through the rubber piece, and waterproof leather sheath 7 corresponds each other with bush 5, and waterproof leather sheath 7 can carry out waterproof and abrasionproof damage protection to the bolt in the bush 5, and the automobile often can meet the condition that vehicle chassis met water in the in-process of operation, and the condition of corruption can appear in bolt long-term contact water, dismantles comparatively difficultly when leading to overhauing.

6 inboards of friction leather sheath are provided with the spring 10 of cup jointing in the sensor frame 1 outside, because the automobile body can shake at the in-process of running, although friction leather sheath 6 can prevent that the joint of data line from droing, but shake for a long time and probably cause the condition of contact failure, so come to carry out further restriction to the joint department of data line through setting up spring 10, spring 10 wraps up joint department, when the automobile body shakes, vibrations can be offset to spring 10 like this, guarantee the compactness of articulate.

Example 2

Referring to fig. 1-5, the difference from embodiment 1 is: the protection head 8 left and right sides is provided with inclined plane 801, and sensor chip 2 is being deposited to protection head 8 inside, and protection head 8 is through setting up the effectual self volume that has reduced of inclined plane 801 for self is more fine and thin, more is fit for inside narrow automobile body, and the condition that the grit blocked can be avoided appearing in narrow and small automobile body to fine volume simultaneously, if the grit has magnetism then more can seriously influence sensor chip 2's sensitivity.

The utility model discloses a theory of operation is:

the friction leather sheath 6 can be sleeved on the anti-moving block 9 through the clamping interface 601 to be fixed, the inside of the friction leather sheath 6 is a joint part of the data transmission line, the joint of the data transmission line needs to be connected with a slot of the sensor outer frame 1, and a lead part passes through the threading sleeve 602, so that the joint part of the data transmission line is effectively fixed, the waterproof leather sheath 7 can carry out waterproof and anti-abrasion protection on the bolt in the lining 5, an automobile often meets the water condition of an automobile chassis in the running process, the bolt is possibly corroded in long-term contact with water, so that the disassembly is difficult during maintenance, the sensor chip 2 is stored in the protection head 8, the protection head 8 effectively reduces the self volume by arranging the inclined plane 801, so that the self volume is thinner and more suitable for being in a narrow automobile body, and meanwhile, the situation that sand is clamped in the narrow automobile body can be avoided by the thin volume, if grit has magnetism then can seriously influence sensor chip 2's sensitivity, because the automobile body can shake at the in-process that runs, although friction leather sheath 6 can prevent that the joint of data line from droing, long-term vibrations probably cause the condition of contact failure, so through setting up spring 10 and come to carry out further restriction to the joint department of data line, spring 10 wraps up joint department, and when the automobile body shakes, vibrations can be offset by spring 10 like this, guarantees the compactness of articulate.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A dual-channel redundant wheel speed sensor is characterized in that: including sensor frame (1), protection head (8) are installed to sensor frame (1) front end, sensor frame (1) mid-mounting has bush (5), install the bolt in bush (5), protection head (8) inside is provided with two sensor chip (2), sensor chip (2) one side is installed and is located inside connection piece (3) of sensor frame (1), the one end that sensor chip (2) were kept away from in connection piece (3) is connected with pin (4), both sides fixedly connected with prevents moving piece (9), two about sensor frame (1) sensor chip (2) are parallelly connected.

2. The dual channel redundant wheel speed sensor of claim 1, wherein: the utility model discloses a sensor, including sensor frame (1), friction leather sheath (6), the mutual swing joint's of piece (9) joint interface (601) that move is offered and is prevented on the surface of friction leather sheath (6), friction leather sheath (6) one end fixedly connected with threading sleeve pipe (602).

3. The dual channel redundant wheel speed sensor of claim 2, wherein: the top of the friction leather sheath (6) is connected with a waterproof leather sheath (7) through a rubber block, and the waterproof leather sheath (7) corresponds to the lining (5).

4. The dual channel redundant wheel speed sensor of claim 1, wherein: inclined planes (801) are arranged on the left side and the right side of the protection head (8).

5. The dual channel redundant wheel speed sensor of claim 2, wherein: and a spring (10) sleeved outside the outer frame (1) of the sensor is arranged on the inner side of the friction leather sleeve (6).