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System and method for realizing synchronous control of led indicator light and stepper motor

A technology of LED indicator light and stepping motor, applied in the field of automotive electronic control and automotive combination instrument, can solve the problem of limitation, usually 2 seconds to 3 seconds, etc., to achieve the effect of solving the problem for too long.

Active Publication Date: 2021-11-09
DONGFENG ELECTRONICS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

And customers have a strict time limit for instrument power-on self-test, generally 2 seconds to 3 seconds

Method used

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  • System and method for realizing synchronous control of led indicator light and stepper motor
  • System and method for realizing synchronous control of led indicator light and stepper motor
  • System and method for realizing synchronous control of led indicator light and stepper motor

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Experimental program
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specific Embodiment

[0051] The present invention is based on a specific implementation of a 7-inch screen car combination meter, such as:

[0052] 1. Customer Requirements Instruments Complete 18 Table Diatic LEDs and 2 220 ° Step Motors during the 2 second self-test process;

[0053] 2, the instrument self-test system, timing interrupt service subsystem and step motor control module of the transplanted scheme.

[0054] 3. Configure stepper motor plus deceleration curve according to 2 seconds and 220 ° dial angles.

[0055] 4. Design to implement the LED indicator control module that matches 18 table disc scale LED indicators.

[0056] Another implementation of a 7-inch screen car combination meter of the present invention, such as:

[0057] 1. Customer Requirements Instruments Complete 22 table disc scale LEDs and 2 202 ° stepping motors during 3 seconds;

[0058] 2. Transplant the above scheme of the meter self-test control system, timing interrupt service subsystem and step motor control module;

...

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Abstract

The invention relates to a system for realizing synchronous control of LED indicator lights and stepping motors, comprising an LED indicator rising control unit and an LED indicator falling control unit, and the instrument self-check subsystem cyclically calls the LED indicator rising Control unit and LED indicator light drop control unit; Timing interrupt service subsystem, including stepping motor rising control unit and stepping motor descending control unit, described timing interrupt service subsystem calls described stepping motor rising control unit and Stepper motor down control unit. The invention also relates to a method for realizing synchronous control of the LED indicator light and the stepping motor. Adopting the system and method for realizing synchronous control of LED indicator light and stepping motor of the present invention, the indication scale of the current stepping motor can be judged according to the micro-step value of the stepping motor, and it can be lit or extinguished completely synchronously; the instrument is improved During the self-inspection process, only the self-inspection function of the stepping motor is available, which meets the current industry trend and most of the customer needs.

Description

Technical field [0001] The present invention relates to the field of automotive electronic controls, and more particularly to the field of automotive combination meter, specifically a system that implements synchronous control of the LED indicator and step motor. Background technique [0002] In recent years, with the booming of the automotive industry, the functions of automotive combination instruments are increasingly rich. In some automotive combination of automotive combination, due to the practicality and aesthetic requirements of the customer, in addition to ensuring the self-test function of the traditional stepping motor, it is necessary to make a specific LED indication of the dial scale during the boot self-test. Synchronous control of the lamp self-test, so that the visual sensory effect of the entire instrument boot self-test is coordinated. The LED indicator and the synchronous control key of the stepper motor is "synchronization", that is, during the entire stepper...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02P8/14H05B33/08B60K37/06B60K35/10H05B44/00
CPCH02P8/14B60K35/10
Inventor 朱鸣岐刘金花侯斐杜川川李洋许峰
Owner DONGFENG ELECTRONICS TECH