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Vehicle-mounted central controller

A central controller and control circuit technology, applied in the direction of comprehensive factory control, electrical program control, vehicle components, etc., can solve the problems of not being widely popularized and applied, not targeting secondary development, restricting development and improvement, etc., and shortening the development cycle , Reduce the difficulty of development and save the cost of purchase

Inactive Publication Date: 2011-10-12
吴天文
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, because the current vehicle-mounted central controller and the instrument have a single interface system and are not aimed at secondary development, this not only restricts the development and improvement of my country's auto companies in terms of body electronics, but also cannot be widely used.

Method used

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Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0026] Such as figure 1 As shown, the vehicle-mounted central controller includes a general-purpose microprocessor, SRAM memory, FLASH memory storing application software, CAN1 bus interface circuit, CAN2 bus interface circuit, K bus interface circuit, USB bus interface circuit, digital signal acquisition circuit, analog signal acquisition circuit, output signal control circuit, address latch and auxiliary circuit, wherein, the processor is connected with SRAM memory, FLASH memory, CAN1 bus interface circuit, CAN2 bus interface circuit, K bus interface circuit, USB The bus interface circuit, the digital signal acquisition circuit, the analog signal acquisition circuit, the output signal control circuit, the address latch and the auxiliary circuit are connected; the address latch is connected with the processor and the SRAM memory respectively; the auxiliary circuit is at least It includes a power circuit, a power reset circuit and a power wake-up circuit; the output signal con...

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Abstract

The invention relates to a vehicle-mounted central controller which comprises a processor, a memory, an address latch, a bus interface circuit, an external input signal acquisition circuit, an output signal control circuit and an auxiliary circuit. A high-power electric appliance is directly driven by a power switching element instead of a relay, so as to realize a function of diagnosing the related electric appliance. A special diagnosis device can be replaced by a notebook computer which is configured with special diagnosis software. The functions, such as downloading on-line programming application software, setting vehicle parameters, on-line diagnosis, and the like, can be realized by utilizing a USB (universal serial bus) interface. A vehicle control system application platform is formed by the vehicle-mounted central controller, an external signal acquisition part, an external controlled part and a touch screen. An application program can be specifically developed for the second time according to different vehicles or requirements, so as to solve the existing problem of vehicle that different controllers are needed to be developed independently and different control software are needed to be configured when different vehicles are configured, thereby avoiding a large amount of labor and financial waste.

Description

technical field [0001] The invention relates to a vehicle control device, in particular to a vehicle central controller. Background technique [0002] With the continuous development of the production technology of my country's automobile industry, automotive electronics is considered to be a revolution in the development of automotive technology. It is the most important technical measure to develop new models and improve automotive performance. The degree of automotive electronics is regarded It is an important symbol to measure the level of modern cars. Automakers believe that increasing the number of automotive electronic devices and promoting automotive electronics is an important and effective means to capture the future automotive market. According to statistics, in recent years, the average cost of electronic devices in each car has gradually increased the proportion of the entire car manufacturing cost, and even the cost of electronic products on some high-end model...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60R16/02G05B19/418
Inventor 吴天文
Owner 吴天文
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