CN215706117U

CN215706117U - Non-contact sensor

Info

Publication number: CN215706117U
Application number: CN202121778910.4U
Authority: CN
Inventors: 陈建华; 李贵林
Original assignee: Dongguan Tianche Automobile Technology Co ltd
Current assignee: Dongguan Tianche Automobile Technology Co ltd
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2022-02-01
Anticipated expiration: 2031-08-02

Abstract

The utility model relates to the field of sensors, in particular to a non-contact sensor, which adopts a Hall sensor, a connecting plate and a magnetic element, wherein the connecting plate can displace in a single direction in an active area when a pedal is stepped on, the magnetic element can rotate for half a circle by the displacement, and the Hall sensor outputs corresponding data to a sound box, so that the problem that a part of a disassembly area in the prior art is connected with an ECU (electronic control unit) is solved.

Description

Non-contact sensor

Technical Field

The utility model relates to the field of sensors, in particular to a non-contact sensor.

Background

The existing equipment for simulating the sound wave test aims to embody the sound wave of a sports car on an electric automobile, prevent surrounding pedestrians from being frightened by adopting a whistling mode, and remind the surrounding pedestrians to pay attention to a coming car from the rear by slight sound wave.

According to the existing sound wave simulation test equipment, sound waves with corresponding volume are output through a sound device according to the displacement generated by deep stepping of a pedal through an ECU (electronic control unit) system connected to an automobile. In this case, it is necessary to disassemble a partial region of the electric vehicle, but this step causes the following problems:

1. the installation efficiency is low;

2. the user intervenes to disassemble the electric automobile for the staff.

Disclosure of Invention

In order to solve the above problems, the present invention provides a non-contact sensor, which is not connected to an electric vehicle through a connection line.

In order to achieve the purpose, the utility model adopts the technical scheme that: a non-contact sensor, dispose the connecting plate with active area on its terminal surface, the connecting plate offsets each other with accelerator pedal, its characterized in that, the sensor body includes:

the rotating part is connected with the connecting plate, and the rotating part drives the connecting plate to turn over in the moving area;

the circuit board is provided with a Hall sensor, the Hall sensor corresponds to a magnetic element, the polarity of the magnetic element is alternated in the detection range of the Hall sensor along with the rotation of the rotating part, and the magnetic element is the end part of the rotating part close to the Hall sensor.

Furthermore, the rotating part comprises a rotating part, a mounting hole is formed in the side wall of the rotating part corresponding to the moving area, and the connecting plate is fixedly connected with the mounting hole in an inserting mode.

Further, the magnetic element is embedded in the rotating piece.

Furthermore, the rotating part also comprises a torsion spring, and any arm of the torsion spring is connected with the rotating part.

Furthermore, a bearing is sleeved on the rotating part.

Further, the device also comprises a shell, and a fixing part which defines the other arm of the torsion spring is arranged in the shell.

Furthermore, the magnetic element is a magnet with N-level and S-level on the same end face.

The utility model has the beneficial effects that:

the utility model adopts the Hall sensor, the connecting plate and the magnetic element, the connecting plate can displace in a single direction in an active area when a pedal is stepped on, the magnetic element can rotate for half a circle by the displacement, and the Hall sensor outputs corresponding data to a sound box, so that the problem that a part of a disassembly area in the prior art is connected with an ECU (electronic control Unit) is solved.

Drawings

FIG. 1 is a block diagram of the present invention.

Fig. 2 is a cross-sectional view of the present invention.

Fig. 3 is an internal structural view of the housing.

The reference numbers illustrate: 1-a housing; 2-an active area; 3-a circuit board; 4-a hall sensor; 5-a magnetic element; 6-a rotating member; 7-mounting holes; 8-torsion spring; 9-a bearing; 10-card hole.

Detailed Description

The existing sound wave system is basically additionally provided with a terminal and an external loudspeaker, and the terminal is directly and electrically connected with the ECU system, so that the defects are recorded in the above and are not easy to accept in the installation aspect;

in order to solve the technical problem, the utility model relates to a non-contact sensor, and in order to express the technical scheme of the application more clearly and clearly, the following description is specifically provided in combination with the description:

referring to fig. 1, a connecting plate with an active area 2 is arranged on the end surface of the non-contact sensor, and the connecting plate and the accelerator pedal are mutually abutted, so that the sensor outputs a corresponding electric signal by the penetration of the accelerator pedal, and replaces a signal intersection mode of a connecting wire and an ECU system in the prior art;

the sensor body includes:

the rotating part is connected with the connecting plate, the rotating part drives the connecting plate to turn back and forth in the active area 2, and the active area 2 is an opening part which is arranged on the shell 1 of the sensor body and used for limiting the active displacement;

the circuit board 3 is provided with a Hall sensor 4, the Hall sensor 4 corresponds to a magnetic element 5, the polarity of the magnetic element 5 is alternated in the detection range of the Hall sensor 4 along with the rotation of a rotating part, wherein the magnetic element 5 is the end part of the rotating part close to the Hall sensor 4;

the magnetic element 5 is a magnet with N-level and S-level on the same end surface, and it can be known that, when the rotating part is in a rotating state, the hall sensor 4 outputs a high level or a low level under the influence of the direction of the magnetic field.

The rotating part comprises a rotating part 6, a mounting hole 7 is arranged on the side wall of the rotating part corresponding to the movable area 2, the connecting plate is fixedly connected with the mounting hole 7 in an inserting mode, the above is one of the specific embodiments, and it needs to be noted that the number of rotating turns of the rotating part is half of a circle, so that a complex structure is not needed for the fixing mode, and the inserting mode is the most cost-saving mode and is also the optimal embodiment mode.

Since most electric vehicles have a limited cabin, the size of the cabin is the first consideration of the user, and in order to achieve the above purpose, the magnetic element 5 is embedded in the rotating member 6 to further improve the utilization rate of space and optimize the structure of the sensor, and the embedded position is the end of the rotating member 6 close to the hall sensor 4.

The rotating part also comprises a torsion spring 8, any force arm of the torsion spring 8 is connected with the rotating part 6, the torsion spring 8 is used for pulling the rotating part 6 back to the initial position to correspond to the initial position of the accelerator pedal, and the sound volume of the sound waves is consistent with the position of the accelerator pedal;

it should be noted that, in order not to affect the normal utility of the torsion spring 8, a limiting part is further disposed in the housing 1 for limiting another force arm of the torsion spring 8, so that the torsion spring 8 can normally generate elasticity, the limiting part is an inner edge extending from the inner edge of the housing 1, and the inner edge is provided with a clamping hole 10 corresponding to the force arm.

In order to reduce the friction generated by the rotation of the rotating element 6 in the housing 1, the rotating element 6 is sleeved with a plurality of bearings 9, and in this embodiment, the bearings 9 are respectively sleeved on the end of the rotating element 6 facing away from the magnet and the middle area of the rotating element itself.

The above embodiments are merely illustrative of the preferred embodiments of the present invention, and not restrictive, and various changes and modifications to the technical solutions of the present invention may be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are intended to fall within the scope of the present invention defined by the appended claims.

Claims

1. A non-contact sensor, dispose the connecting plate with active area on its terminal surface, the connecting plate offsets each other with accelerator pedal, its characterized in that, the sensor body includes:

and the circuit board is provided with a Hall sensor, the Hall sensor corresponds to a magnetic element, the polarity of the magnetic element is periodically alternated in the detection range of the Hall sensor along with the rotation of the rotating part, and the magnetic element is the end part of the rotating part close to the Hall sensor.

2. A non-contact sensor according to claim 1, wherein: the rotating part comprises a rotating part, a mounting hole is formed in the side wall of the rotating part corresponding to the moving area, and the connecting plate is fixedly connected with the mounting hole in an inserting mode.

3. A non-contact sensor according to claim 2, wherein: the magnetic element is embedded in the rotating piece.

4. A non-contact sensor according to claim 2, wherein: the rotating part also comprises a torsion spring, and any arm of force of the torsion spring is connected with the rotating part.

5. A non-contact sensor according to claim 2, wherein: the rotating part is sleeved with a bearing.

6. A non-contact sensor according to claim 4, wherein: also includes a housing having a fixed portion therein defining another arm of the torsion spring.

7. A non-contact sensor according to any one of claims 1 to 6, wherein: the magnetic element is a magnet with N-level and S-level on the same end face.