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Fully automatic pointer adjustment method

An adjustment method, fully automatic technology, applied in the direction of automatic recalibration, measuring devices, instruments, etc., can solve problems such as pointer deviation

Inactive Publication Date: 2018-10-16
AEROSPACE HI TECH HLDG GROUP
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  • Abstract
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Problems solved by technology

[0003] The present invention is to solve the problem that the manual assembly of the pointer easily leads to the deviation of the pointer, and now provides a fully automatic pointer adjustment method

Method used

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Embodiment Construction

[0020] In actual operation, the instrument pointer is assembled manually. However, in application, due to the existence of manual assembly errors, after the pointer receives the instruction, the position it points to will often have a deviation angle from the scale on the meter, which makes the value that can be read on the meter deviate. In order to solve the above problems, the present invention realizes the automatic adjustment of the pointer through the following specific implementation methods.

[0021] A fully automatic pointer adjustment method described in this embodiment takes the ZB2202A instrument as an example, and adjusts the pointing of the 0 scale on the instrument panel, as follows:

[0022] Step 1: Send a command to the pointer of the meter through the CAN signal source, so that the pointer of the meter points to the 0 scale, and the meter enters the meter adjustment mode.

[0023] Step 2: Collect the current image of the meter, and use the Cognex (IN–Sight E...

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Abstract

A fully automatic pointer adjustment method relates to the field of automobile instrument debugging technology. The invention is to solve the problem that the manual assembly of pointers is prone to deviation of the pointers. The fully automatic pointer adjustment method of the invention sends a command to a meter pointer through a CAN signal source, so that the meter pointer points to a designated scale; an instrument image is collected, and the instrument image is linearly processed to obtain an angle difference X between a pointer center line and a scale center line; the number of microsteps required to move the pointer center line to the scale center line is calculated according to the angle difference X; the number of microsteps Y is written into an instrument controller, and the number of microsteps required to point a motor to the designated scale is updated to Y, so as to adjust the pointer to point the designated scale. The method can perform some work of meter adjustment anddetection.

Description

technical field [0001] The invention belongs to the technical field of automobile instrument debugging. Background technique [0002] In the automobile combination instrument industry, due to factors such as many product types, large structural changes, and fast update speed, manual assembly of pointers often occurs during the assembly process of instrument dial pointers. However, the manual assembly operation often cannot guarantee that the indication of each pointer is consistent and correct after the assembly is completed. At the same time, the reasons for the existence of equipment and pointers may also cause certain deviations after the pointer is assembled. Therefore, in actual operation, once the incorrect situation of exceeding the pointer indication range occurs, the pointer needs to be removed, which wastes manpower and material resources, and requires a certain amount of operating time. Contents of the invention [0003] The present invention aims to solve the...

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Application Information

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IPC IPC(8): G01D18/00
CPCG01D18/002
Inventor 卜家洛李占双金佳鑫李艾莉
Owner AEROSPACE HI TECH HLDG GROUP
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