Assembled instrument step motor controller of vehicle and control mode thereof

A technology for stepping motors and combined instruments, applied in the direction of motor generator control, control systems, electrical components, etc., can solve problems such as complex structure, unstable performance, and unsightly appearance

Inactive Publication Date: 2004-04-21
车秀玉
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional mechanical structure instrument has disadvantages such as high cost, unstable performance, complex structure, and unattractive appearance; while some domestic electronic instruments using the cross coil method have low indication accuracy, easy to accumulate errors, and easy Deficiencies such as damage

Method used

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  • Assembled instrument step motor controller of vehicle and control mode thereof
  • Assembled instrument step motor controller of vehicle and control mode thereof
  • Assembled instrument step motor controller of vehicle and control mode thereof

Examples

Experimental program
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Embodiment Construction

[0016] Refer to attached figure 1 , 2 , the car combination meter stepper motor controller structure has a controller shell 1, the controller shell is provided with a panel 2, and the panel 2 is equipped with a voltmeter 3, a water temperature gauge 4, an air pressure gauge A5, an air pressure gauge B6, an oil pressure gauge 7, and a fuel pressure gauge 7. Table 8, tachometer 9, speedometer 10, alarm indicator light 11. Voltmeter 3, water temperature gauge 4, barometer A5, barometer B6, engine oil pressure gauge 7, fuel gauge 8, tachometer 9, speedometer 10 pointers are respectively driven by 8 stepping motors P1-P8.

[0017] A printed circuit board, an electronic circuit, and electronic components are installed in the controller shell. The electronic circuit includes two main control chips (microprocessor) MCU IC1, IC2, memory IC3, several stepper motors, buzzers, several (light-emitting diode) LED warning lights, liquid crystal display LCD, asynchronous serial row bus UAR...

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Abstract

A step motor controller and its control method for the combined meter panel of car feature that the microcontroller is used for acquiring and processing the signals about water temp, fuel oil, voltage, machine oil pressure, air pressure, speed, etc and the step motors are directly controlled to point the working state of car. Said controller is composed of two main control chips, a memory chip, several step motors, buzzer, several alarm LEDs, LCD and UART.

Description

technical field [0001] The stepping motor controller and the control mode of the automobile combination meter of the present invention are a combination meter that uses a microcontroller to collect and process signals and directly controls the stepping motor to indicate the working state of the car. Its structure is suitable for trucks, passenger cars, cars, Motor vehicles, etc., are technically applicable to various types of vehicles. Background technique [0002] At present, domestic automobile instruments mainly adopt traditional mechanical structures, and in a small number of electronic instruments, cross coils are mainly used to drive pointers to indicate the working status of automobiles. The traditional mechanical structure instrument has disadvantages such as high cost, unstable performance, complex structure, and unattractive appearance; while some domestic electronic instruments using the cross coil method have low indication accuracy, easy to accumulate errors, an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60K35/00H02P8/00
Inventor 袁光辉冷云恒陈宇李劲松
Owner 车秀玉
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