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Detection method and device of duty ratio generator for vehicle

A technology of duty cycle detection and detection method, which is applied in the direction of measuring devices, instruments, measuring electricity, etc., to achieve the effects of ensuring reliability, testing workers easily, and improving speed

Inactive Publication Date: 2015-03-11
GUIZHOU GUIHANG AUTOMOTIVE COMPONENTS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The technical problem to be solved by the present invention is: aiming at the problem that the existing detection method relies on people to judge whether it is qualified or not, it provides an automatic judgment method through the comparison of numerical values

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  • Detection method and device of duty ratio generator for vehicle

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Embodiment Construction

[0014] Detection method: step 1, connect the duty cycle generator to the duty cycle detection device, adjust the duty cycle generator from the minimum value to the maximum value, and the duty cycle detection device records all the actual output during this process Duty cycle data; step 2, divide the rated adjustment range of the duty cycle generator into multiple numerical areas, and the number of specific divided areas is determined according to the detection accuracy; step 3, divide the actual output data of step 1 and the divided For comparison, if the actual output data can cover all the numerical areas, it is qualified, otherwise it is unqualified.

[0015] After the above process is completed, adjust the duty cycle generator from the maximum value to the minimum value, and the duty cycle detection device records all the actual output duty cycle data during this process, and repeats step 3.

[0016] The duty cycle detection device used in step 1 includes an input unit, a ...

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Abstract

The invention discloses detection method and device of a duty ratio generator for a vehicle. The method is characterized by comprising the steps of 1, connecting the duty ratio generator with a duty ratio detection device, adjusting the duty ratio generator from the minimum value to the maximum value, and recording all actually output duty ratio data in the process by the duty ratio detection device; 2, dividing a rated adjusting range of the duty ratio generator into a plurality of number areas, wherein the specific area dividing number is to be determined by the detection precision; and 3, comparing the actually output data obtained in step I with the divided number area, determining that the duty ratio generator is qualified in case that the actually output data cover all number areas, and otherwise, determining unqualified. The detection method can be conducted by programming that the man-made mistakes can be avoided.

Description

technical field [0001] The invention relates to a method for detecting whether a duty cycle generator is qualified. Background technique [0002] Adjusting the brightness of the light by adjusting the duty cycle has been widely used in real life. Adjusting the brightness of the light through the duty cycle will make the brightness change uniformly to meet the brightness requirements of different people. The larger the adjustment range of the duty cycle, the brightness The greater the change. The common faults of the duty cycle generator are: the linearity is not good when adjusting, which leads to drastic changes in brightness, and it is not easy to adjust to the brightness you like. Perhaps the potentiometer is unqualified, causing flashes or bouncing during the adjustment process, resulting in The light is suddenly the brightest, and suddenly the darkest. Flashing refers to the momentary disconnection phenomenon in the sliding area of ​​the potentiometer resistance. Bounc...

Claims

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Application Information

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IPC IPC(8): G01R31/00
Inventor 杨木方李忠祥胡小龙
Owner GUIZHOU GUIHANG AUTOMOTIVE COMPONENTS