CN211348314U

CN211348314U - Simple detection equipment for speed sensor

Info

Publication number: CN211348314U
Application number: CN202020289112.4U
Authority: CN
Inventors: 曹平洪; 武会会; 石光娟
Original assignee: Ningbo University
Current assignee: Ningbo University
Priority date: 2020-03-10
Filing date: 2020-03-10
Publication date: 2020-08-25
Anticipated expiration: 2030-03-10

Abstract

A simple detection device for a speed sensor comprises a shell, a sliding plate, a handle, a rotary table, a tachometer, a motor, a display screen and a host; the lower end of the shell is provided with a supporting leg and a first fixing plate, and the lower end surface of the shell is provided with an opening; the first fixing plate is upwards provided with two groups of second fixing plates which are rotatably connected with threaded rods; the threaded rod is connected with the handle and is in threaded fit connection with the sliding plate; the sliding plate is connected with the first fixing plate in a sliding manner and is provided with a clamp used for clamping the speed sensor to be detected; the motor is in transmission connection with the tachometer, the motor is arranged at the upper end of the shell, and an output shaft of the motor is connected with the rotary table in the shell; the end face of the turntable facing the plurality of groups of clamps is provided with a plurality of magnetic stripes; the display screen and the host are both arranged on the shell; the host is provided with a key module, and a circuit board, a signal collection module, a converter, an information processing module and a central processing unit are arranged in the host. The utility model discloses convenient to use, can high-efficient accurate detect speedtransmitter.

Description

Simple detection equipment for speed sensor

Technical Field

The utility model relates to a sensor detection area especially relates to a simple and easy check out test set of speedtransmitter.

Background

The vehicle speed sensor is an analog ac signal generator that generates an alternating current signal, typically consisting of a magnetic core and coil with two terminals. Vehicle speed sensors are one of the important accessories of automobiles. After the speed sensor is produced, the performance of the speed sensor needs to be detected so as to avoid the unqualified product from being installed on an automobile and avoid the potential safety hazard of the automobile; the existing detection modes of the speed sensor are that a sensor to be detected is manually held by a person to align a magnet, the two objects vertically shake up and down, and whether the problem exists is detected from data reflected on the sensor; however, the detection accuracy of the speed sensor is poor, and the use performance of the produced speed sensor cannot be strictly judged to meet the use requirement of the automobile; therefore, the application provides a simple speed sensor detection device.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem that exists among the background art, the utility model provides a simple and easy check out test set of speedtransmitter, the utility model provides a speedtransmitter check out test set easy operation convenient to use can high-efficient accurate detect speedtransmitter.

(II) technical scheme

In order to solve the problems, the utility model provides a simple speed sensor detection device, which comprises a shell, a first fixed plate, a sliding plate, a handle, a threaded rod, a turntable, a tachometer, a motor, a display screen and a host;

the lower end surface of the shell is provided with a plurality of groups of supporting legs, and the lower end surface of the shell is provided with an opening; the multiple groups of first fixing plates are vertically arranged on the lower end surface of the shell, and two groups of second fixing plates are arranged on the end surface, facing the opening, of each group of first fixing plates; the two groups of second fixing plates are distributed side by side along the central axis direction of the opening; two ends of each group of threaded rods are respectively and rotatably connected with two groups of second fixing plates, and the lower end of each group of threaded rods penetrates through the second fixing plate on the lower side and is connected with the handle; each group of sliding plates is in threaded fit connection with each group of threaded rods, one end, facing the first fixed plate, of each group of sliding plates is in sliding connection with the first fixed plate, and the other end of each group of sliding plates is provided with a clamp for clamping a speed sensor to be detected;

the motor is in transmission connection with the tachometer, the motor is arranged at the upper end of the shell, and an output shaft of the motor is connected with the turntable; the turntable is positioned in the shell and is positioned right above the plurality of groups of clamps, and the end face of the turntable, facing the plurality of groups of clamps, is provided with a plurality of magnetic stripes; each magnetic stripe is distributed along the radius direction of the turntable, and the plurality of magnetic stripes are uniformly distributed in a circumference manner by taking the central axis direction of the turntable as the center;

the display screen and the host are both arranged on the side end face of the shell; the host is provided with a key module, and a circuit board is arranged in the host; the circuit board is provided with a signal collection module, a converter, an information processing module and a central processing unit which are used for being in communication connection with the speed sensor to be detected; the central processing unit is in control connection with the motor and is respectively in communication connection with the tachometer, the display screen, the key module and the information processing module; the information processing module is in communication connection with the converter; the converter is in communication connection with the signal collection module.

Preferably, a plurality of shock absorbing plates are included; the plurality of damping plates are respectively arranged on the lower end surfaces of the plurality of supporting legs.

Preferably, a protective cover is included; the protective cover covers the outer sides of the motor and the tachometer and is connected with the shell.

Preferably, the multiple groups of first fixing plates are circumferentially and uniformly distributed by taking the central axis of the opening as a center.

Preferably, each group of clamps comprises an installation block, a clamping plate, a fastening rod and a hand wheel;

the mounting block is connected with the sliding plate, a placing hole for placing the speed sensor to be detected is formed in the mounting block along the central axis direction of the opening, and a threaded hole is formed in the mounting block; the threaded hole is communicated with the placing hole, and the central axis of the threaded hole is vertical to the central axis of the placing hole;

one end of the fastening rod is connected with the hand wheel, and the other end of the fastening rod is screwed into the threaded hole and is rotatably connected with the clamping plate in the placing hole.

Preferably, one end of the clamping plate, which is far away from the fastening rod, is provided with a second elastic pad; the inner wall of the placing hole is provided with a first elastic cushion.

Preferably, a memory module is included; the storage module is arranged on the circuit board and is in communication connection with the central processing unit.

Preferably, a plurality of groups of warning lamps are included; the plurality of groups of warning lamps are respectively arranged on the plurality of groups of first fixing plates and are all in control connection with the central processing unit.

The above technical scheme of the utility model has following profitable technological effect:

in the utility model, the speed sensor to be detected is installed through the clamp, the detection end of the speed sensor faces the rotary table, the rotary handle drives the threaded rod to rotate, and the sliding plate moves up and down along the length direction of the threaded rod, so that the distance between the detection end of the speed sensor to be detected and the rotary table can be conveniently adjusted to ensure the accuracy of measurement; setting program parameters through a key module; when the magnetic stripe speed sensor is used, the motor is started to drive the turntable and the magnetic stripe to rotate, and the amplitude (peak-to-peak voltage) of an output signal of the speed sensor is in direct proportion to the rotating speed of the magnetic stripe; the speed sensor sends the detected signal to a signal collection module; the signals are sent to an information processing module through a converter for processing; the central processing unit receives the rotating speed of the motor detected by the tachometer, namely the rotating speed of the magnetic stripe; the information processing module carries out comparison processing analysis on the collected parameter information so as to judge whether the speed sensor to be detected is qualified or not, the detection result can be visually checked through the display screen, and the operation is simple and the use is convenient;

in addition, the device can simultaneously detect a plurality of speed sensors in the same batch; the turntable is arranged in the shell, so that the injury to operators can be effectively avoided; the clamp that is equipped with can the big or small speedtransmitter of different models carry out the centre gripping fixed, and is more convenient.

Drawings

Fig. 1 is the utility model provides a simple and easy check out test set's of speedtransmitter schematic structure sketch map.

Fig. 2 is the utility model provides a local enlarged schematic structure of a department in the simple and easy check out test set of speedtransmitter.

Fig. 3 is a front view of the simple speed sensor detection device provided by the present invention.

Fig. 4 is a schematic block diagram of the simple speed sensor detection device provided by the present invention.

Reference numerals: 1. a housing; 2. supporting legs; 3. a first fixing plate; 4. a sliding plate; 5. a second fixing plate; 6. a handle; 7. a threaded rod; 8. mounting blocks; 9. a first elastic pad; 10. a clamping plate; 11. a second elastic pad; 12. a tightening rod; 13. a hand wheel; 14. a turntable; 15. a magnetic strip; 16. a protective cover; 17. a tachometer; 18. a motor; 19. a display screen; 20. a host; 21. a speed sensor; 22. a signal collection module; 23. a converter; 24. an information processing module; 25. a central processing unit; 26. a key module; 27. a storage module; 28. a warning light; 29. and (4) opening.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-4, the utility model provides a simple and easy check out test set of speedtransmitter, including shell 1, first fixed plate 3, sliding plate 4, handle 6, threaded rod 7, carousel 14, tachometer 17, motor 18, display screen 19 and host computer 20;

the lower end surface of the shell 1 is provided with a plurality of groups of supporting legs 2, and the lower end surface of the shell 1 is provided with an opening 29; opening 29 is a circular opening; the diameter value of the circular opening is greater than the outer diameter value of the turntable 14;

a plurality of groups of first fixing plates 3 are vertically arranged on the lower end surface of the shell 1, and two groups of second fixing plates 5 are arranged on the end surface, facing the opening, of each group of first fixing plates 3; the two groups of second fixing plates 5 are distributed side by side along the central axis direction of the opening 29;

two ends of each group of threaded rods 7 are respectively and rotatably connected with two groups of second fixing plates 5, and the lower end of each group of threaded rods 7 penetrates through the second fixing plate 5 on the lower side and is connected with a handle 6; each group of sliding plates 4 is in threaded fit connection with each group of threaded rods 7, one end, facing the first fixed plate 3, of each group of sliding plates 4 is in sliding connection with the first fixed plate 3, and the other end of each group of sliding plates 4 is provided with a clamp for clamping a speed sensor 21 to be detected;

the motor 18 is in transmission connection with the tachometer 17, the motor 18 is arranged at the upper end of the shell 1, and an output shaft of the motor 18 is connected with the turntable 14; the rotary table 14 is positioned in the shell 1 and right above the plurality of groups of clamps, the central axis of the rotary table 14 is superposed with the central axis of the opening 29, and the end face of the rotary table 14 facing the plurality of groups of clamps is provided with a plurality of magnetic strips 15; each magnetic stripe 15 is distributed along the radius direction of the turntable 14, and the plurality of magnetic stripes 15 are uniformly distributed in a circumference manner by taking the central axis direction of the turntable 14 as the center; the speed sensor 21 can generate a series of pulses corresponding to each other according to the rotation of the magnetic stripe 15 on the turntable 14, the amplitude (peak-to-peak voltage) of the output signal of the speed sensor 21 is in direct proportion to the rotation speed of the magnetic stripe 15, and the frequency of the signal reflects the rotation speed of the magnetic stripe 15;

the display screen 19 and the host 20 are arranged on the side end face of the shell 1; the host 20 is provided with a key module 26, and a circuit board is arranged in the host 20; the circuit board is provided with a signal collection module 22, a converter 23, an information processing module 24 and a central processing unit 25 which are used for being in communication connection with the speed sensor 21 to be detected; the central processing unit 25 is connected with the motor 18 in a control mode, and the central processing unit 25 is respectively connected with the tachometer 17, the display screen 19, the key module 26 and the information processing module 24 in a communication mode; the information processing module 24 is in communication connection with the converter 23; the converter 23 is in communication connection with the signal collection module 22; the signal collection module 22 selects an oscilloscope; the oscilloscope is used for collecting data of the sensor performance reflected by the frequency, the waveform, the rise time, the fall time, the maximum value, the minimum value, the power consumption and the duty ratio of the output signal of the sensor.

In the utility model, the speed sensor 21 to be detected is installed through the clamp, the detection end of the speed sensor 21 faces the rotary table 14, the rotary handle 6 drives the threaded rod 7 to rotate, and the sliding plate 4 moves up and down along the length direction of the threaded rod 7, so that the distance between the detection end of the speed sensor 21 to be detected and the rotary table 14 can be conveniently adjusted to ensure the accuracy of measurement; setting program parameters through the key module 26; when the magnetic stripe rotating speed sensor is used, the starting motor 18 drives the rotating disc 14 and the magnetic stripe 15 to rotate, and the amplitude (peak-to-peak voltage) of the output signal of the speed sensor 21 is in direct proportion to the rotating speed of the magnetic stripe 15; the speed sensor 21 sends the detected signal to the signal collection module 22; the signals are sent to the information processing module 24 through the converter 23 for processing; the central processing unit 25 receives the rotating speed of the motor 18 detected by the tachometer 17, namely the rotating speed of the magnetic stripe 15; the information processing module 24 performs comparison processing and analysis on the collected parameter information to judge whether the speed sensor 21 to be detected is qualified or not, the detection result can be visually checked through the display screen 19, and the operation is simple and the use is convenient; in addition, the device can simultaneously detect a plurality of speed sensors 21 in the same batch; the turntable 14 can be arranged in the shell 1 to effectively avoid injury to operators.

In an alternative embodiment, a plurality of shock absorbing plates are included; a plurality of shock attenuation boards set up respectively at the lower terminal surface of a plurality of supporting legss 2, and the shock attenuation board that is equipped with is in order to improve the stability when the device detects.

In an alternative embodiment, a protective cover 16 is included; the protective cover 16 covers the outer sides of the motor 18 and the tachometer 17 and is connected with the shell 1, and the protective cover 16 is arranged to protect the motor 18 and prevent the motor 18 and the tachometer 17 from being damaged.

In an alternative embodiment, the plurality of sets of first fixing plates 3 are uniformly distributed circumferentially around the central axis of the opening 29.

In an alternative embodiment, each set of clamps comprises a mounting block 8, a clamping plate 10, a tightening rod 12 and a hand wheel 13;

the mounting block 8 is connected with the sliding plate 4, a placing hole for placing the speed sensor to be detected is formed in the mounting block 8 along the central axis direction of the opening 29, and a threaded hole is formed in the mounting block 8; the threaded hole is communicated with the placing hole, and the central axis of the threaded hole is vertical to the central axis of the placing hole;

one end of the fastening rod 12 is connected with a hand wheel 13, and the other end of the fastening rod 12 is screwed into the threaded hole and is rotatably connected with the clamping plate 10 positioned in the placing hole; insert the speed sensor 21 who treats the detection and place downtheholely, rotatory hand wheel 13 drives tight pole 12 rotatory until grip block 10 compresses tightly speed sensor 21 and places downtheholely, and easy operation just can carry out quick centre gripping to the speed sensor 21 of different models size fixedly.

In an alternative embodiment, the end of the clamping plate 10 remote from the fastening rod 12 is provided with a second elastic pad 11; the inner wall of the placing hole is provided with a first elastic pad 9; the first elastic pad 9 and the second elastic pad 11 are arranged to protect the speed sensor 21 from being damaged due to over-pressure.

In an alternative embodiment, a memory module 27 is included; the storage module 27 is disposed on the circuit board, the storage module 27 is in communication connection with the central processing unit 25, and the storage module 27 is configured to store the record information generated by the detection result for facilitating subsequent checking.

In an alternative embodiment, multiple sets of warning lights 28 are included; the plurality of groups of warning lamps 28 are respectively arranged on the plurality of groups of first fixing plates 3, and the plurality of groups of warning lamps 28 are all in control connection with the central processing unit 25; when the speed sensor 21 is unqualified, the corresponding warning lamp 28 warns and reminds, and whether the speed sensor 21 to be detected is qualified or not can be known more visually.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. The simple speed sensor detection device is characterized by comprising a shell (1), a first fixing plate (3), a sliding plate (4), a handle (6), a threaded rod (7), a rotary table (14), a tachometer (17), a motor (18), a display screen (19) and a host (20);

the lower end surface of the shell (1) is provided with a plurality of groups of supporting legs (2), and the lower end surface of the shell (1) is provided with an opening (29); a plurality of groups of first fixing plates (3) are vertically arranged on the lower end surface of the shell (1), and two groups of second fixing plates (5) are arranged on the end surface of each group of first fixing plates (3) facing the opening; the two groups of second fixing plates (5) are distributed side by side along the central axis direction of the opening (29); two ends of each group of threaded rods (7) are respectively and rotatably connected with two groups of second fixing plates (5), and the lower end of each group of threaded rods (7) penetrates through the second fixing plate (5) on the lower side and is connected with the handle (6); each group of sliding plates (4) is in threaded fit connection with each group of threaded rods (7), one end, facing the first fixed plate (3), of each group of sliding plates (4) is in sliding connection with the first fixed plate (3), and the other end of each group of sliding plates (4) is provided with a clamp used for clamping a speed sensor (21) to be detected;

the motor (18) is in transmission connection with the tachometer (17), the motor (18) is arranged at the upper end of the shell (1), and an output shaft of the motor (18) is connected with the turntable (14); the rotary table (14) is positioned in the shell (1) and right above the plurality of groups of clamps, and a plurality of magnetic stripes (15) are arranged on the end face, facing the plurality of groups of clamps, of the rotary table (14); each magnetic stripe (15) is distributed along the radius direction of the turntable (14), and the plurality of magnetic stripes (15) are uniformly distributed in a circumference manner by taking the central axis direction of the turntable (14) as the center;

the display screen (19) and the host (20) are both arranged on the end face of the side of the shell (1); the host (20) is provided with a key module (26), and a circuit board is arranged in the host (20); the circuit board is provided with a signal collection module (22) for being in communication connection with the speed sensor (21) to be detected, a converter (23), an information processing module (24) and a central processing unit (25); the central processing unit (25) is connected with the motor (18) in a control mode, and the central processing unit (25) is respectively in communication connection with the tachometer (17), the display screen, the key module and the information processing module (24); an information processing module (24) communication connection converter (23); the converter (23) is in communication connection with the signal collection module (22).

2. The simplified speed sensor detection device according to claim 1, comprising a plurality of shock absorbing plates; the plurality of damping plates are respectively arranged on the lower end surfaces of the plurality of supporting legs (2).

3. The speed sensor SIMPLE DETECTION APPARATUS as claimed in claim 1, comprising a protective cover (16); the protective cover (16) covers the outer sides of the motor (18) and the tachometer (17) and is connected with the shell (1).

4. The simple speed sensor detection device as claimed in claim 1, wherein the plurality of first fixing plates (3) are circumferentially and uniformly distributed around the central axis of the opening (29).

5. The simple speed sensor detection device according to claim 1, wherein each group of clamps comprises a mounting block (8), a clamping plate (10), a fastening rod (12) and a hand wheel (13);

the mounting block (8) is connected with the sliding plate (4), a placing hole for placing the speed sensor to be detected is formed in the mounting block (8) along the central axis direction of the opening (29), and a threaded hole is formed in the mounting block (8); the threaded hole is communicated with the placing hole, and the central axis of the threaded hole is vertical to the central axis of the placing hole;

one end of the fastening rod (12) is connected with a hand wheel (13), and the other end of the fastening rod (12) is screwed into the threaded hole and is rotatably connected with a clamping plate (10) positioned in the placing hole.

6. The simple speed sensor detection device as claimed in claim 5, wherein a second elastic pad (11) is arranged at one end of the clamping plate (10) far away from the fastening rod (12); the inner wall of the placing hole is provided with a first elastic pad (9).

7. A speed sensor simple detection device according to claim 1, characterized by comprising a memory module (27); the storage module (27) is arranged on the circuit board, and the storage module (27) is in communication connection with the central processing unit (25).

8. The simplified speed sensor detection device according to claim 1, characterized by comprising a plurality of groups of warning lights (28); the plurality of groups of warning lamps (28) are respectively arranged on the plurality of groups of first fixing plates (3), and the plurality of groups of warning lamps (28) are all in control connection with the central processing unit (25).