Car fault diagnosis remote alarming system and method
A remote alarm and vehicle failure technology, applied in alarms, transmission systems, instruments, etc., can solve the problems of increased vehicle failures, difficulty in judging the cause of failures, and impossibility of collecting data every day, so as to prevent related equipment from being damaged and reduce The probability of breaking down halfway and the effect of reducing vehicle maintenance costs
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[0040] Embodiment 1: A vehicle-mounted fault diagnosis and alarm device 1 of this embodiment is as figure 2 As shown in the figure, it includes a processor module 11, a CAN bus communication module 13, a voltage comparison module 14, a wireless communication module 15 and a display module 16. Among them, the CAN bus communication module 13, the voltage comparison module 14, the wireless communication module 15, the display module 16 and the processor module 11 are respectively connected.
[0041] The voltage comparison module 14 is used to compare and judge the fault signals in the form of switching values output by the vehicle equipment, and its output terminal is connected to the input terminal of the processor module 11. At present, the fault signals in the form of switches output by vehicle equipment include brake shoe wear signals and air filter blockage fault signals.
[0042] Other equipment failure signals are sent to the CAN bus by the vehicle equipment. The CAN bus co...
Example Embodiment
[0059] Embodiment 2: For a vehicle fault diagnosis remote alarm system with many on-board fault diagnosis and alarm devices, it is far from enough to communicate directly between the on-board fault diagnosis and alarm device and the remote server. There are several acquisition and control gateways 8, such as Figure 4 Shown. The acquisition and control gateway 8 refers to a gateway that collects data from the on-board fault diagnosis and alarm device and transmits the data to the server side, or transmits control instructions from the server side to the on-board fault diagnosis and alarm device. Since each acquisition and control gateway can be connected to a limited number of on-board fault diagnosis and alarm devices, it must be managed in a distributed manner. The vehicle fault diagnosis and alarm device first communicates with the acquisition and control gateway in real time. At present, each acquisition and control gateway supports communication with 3000 vehicle fault di...
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