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Static current monitoring system based on automobile fire prediction

A static current and monitoring system technology, applied in the direction of measuring electricity, measuring electrical variables, circuits or fluid pipelines, etc., can solve problems such as inability to prevent fires, and achieve mass production, accurate prediction, and reduced investment in hardware precision.

Active Publication Date: 2018-03-20
CHONGQING CHANGAN AUTOMOBILE CO LTD
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Problems solved by technology

[0003] Detection based on temperature, smoke, and flame has common limitations, all of which require the vehicle to be on fire with smoke and fire, and the fire cannot be prevented, and the loss has already been constituted

Method used

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  • Static current monitoring system based on automobile fire prediction
  • Static current monitoring system based on automobile fire prediction
  • Static current monitoring system based on automobile fire prediction

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Embodiment Construction

[0026] The present invention will be further described below in conjunction with accompanying drawing.

[0027] Such as figure 1 , as shown in 2 and 3, the static current monitoring system based on automobile fire prediction includes battery 1, current sensor 2, vehicle controller 4 and alarm 5; current sensor 2 is connected to the electrical circuit of the battery, and the vehicle controller passes the vehicle The network 3 monitors the current value of the battery from the current sensor 2 and judges whether a vehicle is in a short-circuit fault, and if there is a fault, the vehicle controller 4 controls the alarm 5 to alarm;

[0028] Vehicle controller 4 includes: static current variable frequency sampling module 41 and warning threshold judgment module 42, and its operating mechanism is as follows:

[0029] Step 1, after the vehicle is turned off or locked, the quiescent current frequency conversion sampling module 41 maintains the first sampling frequency to monitor the ...

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Abstract

The invention discloses a static current monitoring system based on automobile fire prediction. In an automobile static current data normal range, a system maintains a low sampling frequency for continuous monitoring so that the energy consumption can be reduced; if current data exceeds a warning threshold and the rising accelerated speed is increased and exceeds a set safe range, the system improves the sampling frequency so that the probability that static current abnormity is instantaneously detected in advance can be increased. Meanwhile, hardware resources of an automobile electronic controller are reasonably utilized, the energy consumption and hardware cost input of a fire monitoring circuit on an automobile are reduced, and the mass production is easy to achieve.

Description

technical field [0001] The invention relates to the technical field of vehicle fire early warning, in particular to a static current monitoring system based on vehicle fire prediction. Background technique [0002] For vehicle fires, existing prevention and suppression technologies are usually based on the monitoring of temperature or smoke, by monitoring the temperature of a specific location in the vehicle through temperature sensors, such as infrared detectors, or ] The smoke concentration in the car is monitored by the smoke sensor. [0003] Detection based on temperature, smoke, and flame has common limitations. All of them require that the vehicle is already on fire with smoke and fire, and the fire cannot be prevented, and the loss has already been formed. Therefore need to adopt a kind of method, can just can detect that vehicle has reached the state that fire breaks out before fire breaks out. [0004] In the experiments of automobile fires, it was found that most...

Claims

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Application Information

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IPC IPC(8): B60R16/02B60Q9/00G01R31/36
CPCB60Q9/00B60R16/02G01R31/382
Inventor 关鹏辉蒋少毅王晓伟刘泉镇毛叶平蔡恒何举刚向华
Owner CHONGQING CHANGAN AUTOMOBILE CO LTD
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