Controller local network bus and electronic assembled instrument set of vehicle and data processing mode

A technology of local area network bus and combination instrument, applied in vehicle components, circuits or fluid pipelines, transportation and packaging, etc., can solve the problems of inability to satisfy car buyers, high power consumption, low control accuracy, etc., and achieve convenient fault inspection. Fast and accurate, improved data transmission, strong anti-interference effect
CN1490192AInactive Publication Date: 2004-04-21南京金陵紫光系统工程有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
南京金陵紫光系统工程有限公司
Publication Date
2004-04-21
Estimated Expiration
Not applicable · inactive patent

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Abstract

A combined electronic meter panel for car is composed of panel and electronic circuits which include main controller chip, shift register, CAN transceiver, memory chip, LCD, step motors, and controller area network and its bus. Its method for processing information includes such steps as self-testing the contents in memory, receiving the bus message, converting the bus signals to the differential signals of main controller, and storing and analyzing the signals to generate relative signals for controlling the display units.
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Description

technical field

[0001] The present invention relates to a controller local area network bus automotive electronic combination instrument and its information processing method, which relates to an instrument with controller local area network CAN (Controler Area Net) data transmission and control functions applied to automobiles, and is used to control various state. Background technique

[0002] The current instrument display technology uses level signal data collection and level signal to directly control LEDs. The disadvantage is that there are too many wiring harnesses and complicated interfaces. When a fault occurs, the detection is extremely cumbersome and cannot meet the current requirements for miniaturization and home furnishing of automobiles. Moreover, most of the current display instruments use cross-coils and ordinary LEDs to display, which consume a lot of power and have low control accuracy, which has gradually failed to meet the needs of car buyers. Contents...

Claims

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