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Monitoring method and device with early warning for power supply on vehicle

A technology for monitoring, early warning, and power supply. It is applied to electrical devices, measuring devices, measuring electricity, etc., and can solve problems such as insufficient battery power and battery consumption.

Inactive Publication Date: 2008-03-05
黄永松
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Now, when people use a vehicle, they need to supply enough starting electric energy through the battery to make the starter motor run and start the vehicle; Only when it is not going well, will you know that the battery power is insufficient, or although you can still start the motor smoothly this time, when you start it next time, the battery has already been exhausted

Method used

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  • Monitoring method and device with early warning for power supply on vehicle
  • Monitoring method and device with early warning for power supply on vehicle
  • Monitoring method and device with early warning for power supply on vehicle

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Embodiment Construction

[0033] As shown in Figures 1 to 7, in a preferred embodiment, the method of the present invention connects a monitoring and early warning device 20 in parallel with the battery to be tested B2 and the starting device (represented by the starting motor in the following description) S1, with a single circuit In this way, the starter motor S1 is used as a load to form an external loop sampling circuit. When the starter motor starts the vehicle, the sampling time is taken at an interval of 1 / t second, and the sampled voltage value is measured instantaneously, and the voltage curve is drawn at intervals, and Compare the lowest voltage value on the voltage curve with the warning value set by the system to judge the battery status and provide timely warning display.

[0034] As shown in Figure 1, it is a block diagram of the steps of the method of the present invention; wherein, it can be seen that the monitoring and early warning method comprises the following steps:

[0035] Step 1...

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Abstract

A method and device for monitoring and prewarning the power supply system of vehicle feature that a monitoring and prewarning device is parallelly connected with the battery unit to be tested and the start motor used as load to form an external loop type sampling circuit. The voltage is sampled at intervals to form a voltage curve. The lowest value of said start voltage curve is compared with a predefined threshold to determine that if the battery unit can provide sufficient start current. If it can not, a prewarning signal is provided.

Description

technical field [0001] The invention relates to a monitoring and early warning method and device for a vehicle power supply. Background technique [0002] Now, when people use a vehicle, they need to supply enough starting electric energy through the battery to make the starter motor run and start the vehicle; When it is not going well, it will be known that the power of the battery is insufficient, or although the motor can still be started smoothly this time, when it is restarted next time, the battery has already been consumed. [0003] Furthermore, the service life of a vehicle battery often depends on the ambient temperature, charging conditions, charging time, and load discharge. The relationship between "Characteristics" and "Storage Characteristics" is shown in Figures 12 to 14; therefore, under the influence of many factors, if you want to avoid the dilemma of being unable to start the vehicle temporarily, it is necessary to monitor the battery for a long time. C...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60L3/00G01R31/36
Inventor 黄永升
Owner 黄永松