Device for detecting blocking of automobile meter pointer
A technology of instrument pointers and testing equipment, which is applied in the direction of instruments, etc., can solve the problems of high quality risk, high misjudgment rate, slow speed, etc., and achieve the effect of reducing quality risk, improving efficiency, and fast speed
Inactive Publication Date: 2015-05-06
YANFENG VISTEON AUTOMOTIVE ELECTRONICS
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AI Technical Summary
Problems solved by technology
It is difficult to prevent pointer sticking from the source. It is necessary to detect stuck products on the production line, so as to avoid stuck products from being left at the client. Visual inspection
It is characterized by low detection accuracy, difficult to identify slight stuck phenomena, slow speed, easy fatigue of artificial vision, inability to operate for a long time, high subjective judgment factors, and high misjudgment rate
Therefore, manual visual inspection is not suitable for batch production lines, and there is a high quality risk for product production
Method used
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Embodiment 1
[0017] Embodiment 1: as figure 1 As shown, a kind of automobile meter pointer sticking detection equipment, it includes
[0018] A computer 1 , at least one industrial camera 2 , and a system control module 3 .
[0019] The computer 1 is provided with an image development processing module 11 and a pointer stuck detection module 12 . The operating system of computer 1 is Windows XP operating system.
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The invention discloses a device for detecting the blocking of an automobile meter pointer. The device comprises a computer, at least one industrial camera which is connected to the computer to acquire image or video information of the movement of the meter point, and a system control module which is connected with the computer to send an instruction of moving at the set angular speed to the meter pointer; the computer is used for analyzing the blocking of the angular speed of the meter pointer in metering through the pointer blocking detection software; the allowance between the movement angular speed of the meter pointer and the set angular speed is + / -5 degrees per second; when the movement angular speed of the meter pointer exceeds the allowance of the set angular speed, the meter pointer is blocked.
Description
technical field [0001] The invention relates to the field of stuck detection of pointers of automobile meters, in particular to a stuck detection device of pointers of automobile meters. Background technique [0002] Jittering and stagnation are one of the most common defects of automobile instrument pointers. The main causes are defects, impurities, and bad teeth in the stepping motor gears. It is difficult to prevent pointer sticking from the source. It is necessary to detect stuck products on the production line, so as to avoid stuck products from being left at the client. Visual inspection. It is characterized by low detection accuracy, difficulty in identifying slight stuck phenomena, slow speed, fatigue of artificial vision, inability to operate for a long time, high subjective judgment factors, and high misjudgment rate. Therefore, manual visual inspection is not suitable for mass production lines, and there is a high quality risk for product production. Conte...
Claims
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IPC IPC(8): G01D18/00
Inventor 黄中
Owner YANFENG VISTEON AUTOMOTIVE ELECTRONICS