CN220525851U - Wheel speed sensor test board - Google Patents
Wheel speed sensor test board Download PDFInfo
- Publication number
- CN220525851U CN220525851U CN202321862893.1U CN202321862893U CN220525851U CN 220525851 U CN220525851 U CN 220525851U CN 202321862893 U CN202321862893 U CN 202321862893U CN 220525851 U CN220525851 U CN 220525851U
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- speed sensor
- wheel speed
- module
- processor
- sensor test
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- 230000006698 induction Effects 0.000 claims abstract description 4
- 230000000007 visual effect Effects 0.000 claims description 10
- 238000001514 detection method Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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Abstract
The utility model relates to a wheel speed sensor testboard, including power module, switch input module, a processor, motor drive module, direct current motor and LCD display module, for treater and direct current motor power supply by power module, the speed signal drive motor drive module that the treater given according to switch input module, motor drive module drive direct current motor has the ring gear on the direct current motor, one side of ring gear sets up the wheel speed sensor test article with ring gear magnetic induction complex, wheel speed sensor test article has standard output interface, PWM output interface or AK output interface, interface connection has between treater and the wheel speed sensor test article, the treater is according to the signal flow in the interface connection, the interface protocol type signal of output wheel speed sensor test article is to LCD display module. The processor can be combined with the wheel speed sensor test sample to form a wheel speed sensor test board with a simplified structure, and in addition, the processor faces to hardware, so that the wheel speed sensor test sample with an AK output interface can be automatically screened.
Description
Technical Field
The utility model relates to a wheel speed sensor test board.
Background
The traditional wheel speed sensor test board generally adopts a structure of a PLC control system and an industrial control screen, the detection of a wheel speed sensor test product is realized by an analog quantity acquisition input module of the PLC, and finally, a detection waveform is displayed by an oscilloscope or the industrial control screen. And the other is to convert the electric signal of the wheel speed sensor into data by using an A/D analog-to-digital acquisition card, transmit the data to an industrial personal computer, and finally judge whether the wheel speed sensor is qualified or not by the internal operation of the industrial personal computer. The two wheel speed sensor test tables are complex and huge in structure, a test platform of the wheel speed sensor cannot be conveniently built, and in addition, the wheel speed sensor with an AK output interface cannot be conveniently detected.
Disclosure of Invention
Therefore, the utility model aims to provide the wheel speed sensor test board which has a simple structure, can conveniently build a test platform and is convenient for detecting the AK output interface.
In order to achieve the above purpose, the wheel speed sensor test board comprises a power module, a switch input module, a processor, a motor driving module, a direct current motor and an LCD display module, wherein the power module supplies power to the processor and the direct current motor, the processor drives the motor driving module according to a speed signal given by the switch input module, the motor driving module drives the direct current motor, a gear ring is arranged on the direct current motor, one side of the gear ring is provided with a wheel speed sensor test article which is matched with the gear ring in a magnetic induction way, the wheel speed sensor test article is provided with a standard output interface, a PWM output interface or an AK output interface, the processor is connected with the wheel speed sensor test article through an interface, and the processor outputs an interface protocol type signal of the wheel speed sensor test article to the LCD display module according to a signal flow in the interface connection.
Compared with the prior art, the utility model has the beneficial technical effects that: the processor has a small structure, can be combined with a wheel speed sensor sample to form a wheel speed sensor test board with a simplified structure, and has flexible display function expansion. In addition, the processor is oriented to hardware, and even if a wheel speed sensor sample with an AK output interface is adopted, the wheel speed sensor sample can be automatically screened out, and the detection is more intelligent.
Particularly, the LCD display module is also used for displaying the waveform of the output signal of the current wheel speed sensor sample in real time, and the processor compares the signal in the interface connection with the speed signal given by the switch input module and outputs the qualified or unqualified signal of the wheel speed sensor sample to the LCD display module. Through the setting of display module, the testing result of the wheel speed sensor sample is intuitively clear, and the convenience is provided for product detection.
Particularly, the wheel speed sensor test board also comprises an audible and visual alarm module, wherein the audible and visual alarm module comprises a buzzer and a display lamp, the buzzer and the display lamp are connected to an output port of the processor, and the processor outputs a disqualification signal of a wheel speed sensor sample to the audible and visual alarm module. Through the setting of audible and visual alarm module, the detection staff is convenient to identify unqualified wheel speed sensor test products.
Drawings
FIG. 1 is a schematic block diagram of an embodiment of the present utility model.
Detailed Description
As shown in FIG. 1, the wheel speed sensor test board comprises a power supply module, a switch input module, a processor, a motor driving module, a direct current motor and an LCD display module, wherein the power supply module supplies power for the processor and the direct current motor, the processor drives the motor driving module according to a speed signal given by the switch input module, the motor driving module drives the direct current motor, a gear ring is arranged on the direct current motor, one side of the gear ring is provided with a wheel speed sensor test article which is matched with the gear ring in a magnetic induction way, the wheel speed sensor test article is provided with a standard output interface, a PWM output interface or an AK output interface, an interface connection is arranged between the processor and the wheel speed sensor test article, and the processor outputs an interface protocol type signal of the wheel speed sensor test article to the LCD display module according to a signal flow in the interface connection.
The LCD display module is also used for displaying the waveform of the output signal of the current wheel speed sensor sample in real time, and the processor compares the signal in the interface connection with the speed signal given by the switch input module and outputs the qualified or unqualified signal of the wheel speed sensor sample to the LCD display module.
The wheel speed sensor test board also comprises an audible and visual alarm module, wherein the audible and visual alarm module comprises a buzzer and a display lamp, the buzzer and the display lamp are connected to an output port of the processor, and the processor outputs an unqualified signal of a wheel speed sensor test product to the audible and visual alarm module.
Claims (3)
1. The utility model provides a wheel speed sensor testboard which characterized in that: the device comprises a power supply module, a switch input module, a processor, a motor driving module, a direct current motor and an LCD display module, wherein the power supply module supplies power for the processor and the direct current motor, the processor drives the motor driving module according to a speed signal given by the switch input module, the motor driving module drives the direct current motor, a gear ring is arranged on the direct current motor, one side of the gear ring is provided with a wheel speed sensor sample matched with the gear ring in a magnetic induction way, the wheel speed sensor sample is provided with a standard output interface, a PWM output interface or an AK output interface, the processor is connected with the wheel speed sensor sample through an interface, and the processor outputs an interface protocol type signal of the wheel speed sensor sample to the LCD display module according to a signal flow in the interface connection.
2. The wheel speed sensor test stand of claim 1, wherein: the LCD display module is also used for displaying the waveform of the output signal of the current wheel speed sensor sample in real time, and the processor compares the signal in the interface connection with the speed signal given by the switch input module and outputs the qualified or unqualified signal of the wheel speed sensor sample to the LCD display module.
3. The wheel speed sensor test stand of claim 2, wherein: the wheel speed sensor test board also comprises an audible and visual alarm module, wherein the audible and visual alarm module comprises a buzzer and a display lamp, the buzzer and the display lamp are connected to an output port of the processor, and the processor outputs a disqualification signal of a wheel speed sensor test product to the audible and visual alarm module.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222833654 | 2022-10-26 | ||
| CN2022228336545 | 2022-10-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220525851U true CN220525851U (en) | 2024-02-23 |
Family
ID=89932068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321862893.1U Active CN220525851U (en) | 2022-10-26 | 2023-07-15 | Wheel speed sensor test board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220525851U (en) |
-
2023
- 2023-07-15 CN CN202321862893.1U patent/CN220525851U/en active Active
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