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Ferric phosphate lithium battery detection processing method and device

A technology of lithium iron phosphate battery and processing method, which is applied in the direction of measuring device, measuring electricity, measuring electric variables, etc., to achieve high safety and protect the effect of the battery

Inactive Publication Date: 2011-08-10
SHANGHAI CHIYUAN NEW MATERIAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, there is still no mature product for the lithium iron phosphate battery management system at present, because there is a lack of collection of each battery and overcharge, overdischarge, and overtemperature protection for the entire battery pack.

Method used

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  • Ferric phosphate lithium battery detection processing method and device
  • Ferric phosphate lithium battery detection processing method and device
  • Ferric phosphate lithium battery detection processing method and device

Examples

Experimental program
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Embodiment

[0042] Such as figure 1 , figure 2 Shown, a kind of lithium iron phosphate battery detection treatment method, this method comprises the following steps

[0043] Step 101, system initialization;

[0044] Step 102, the leakage detection circuit 34 detects whether there is leakage;

[0045] Step 103, if yes, the failure alarm device 5 will alarm; if no, execute step 104;

[0046] Step 104, the host computer 3 sends a collection command to the data collection module 1;

[0047] Step 105, the data acquisition module 1 receives the command to collect the data of the battery, and the collected data is transmitted to the host computer 3 through the RS485 bus;

[0048] Step 106, the host computer 3 receives the collected data, and collects the current on the manganin shunt 9;

[0049] Step 107, the host 3 judges whether the battery is overcharged, overdischarged, or overheated according to the collected voltages of each node and ambient temperature;

[0050] Step 108, if any on...

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Abstract

The invention relates to a ferric phosphate lithium battery detection processing method. The method comprises the following steps of: (1) performing system initialization; (2) judging whether electric leakage exists by an electric leakage detecting circuit; (3) if so, giving alarm by a fault alarm device; if not, executing a step 4; (4) sending a data collecting command to a data collecting module by a host; (5) after the data collecting module receives the command, collecting data of a battery and transmitting the collected data to the host through an RS485 bus; (6) receiving the collected data and reading the current of a manganin diverter by the host; (7) judging whether the battery is overcharged, over-discharged and overheated by the host according to all collected voltages and environmental temperatures: (8) if the battery is overcharged, or over-discharged or overheated, giving alarm by the fault alarm device and turning off a charge / discharge control switch under the control of a charge / discharge control circuit; otherwise, executing a step 9 and the like. Compared with the prior art, the ferric phosphate lithium battery detection processing method has the advantages of high precision, good safety and the like.

Description

technical field [0001] The invention relates to a battery detection and processing method and device, in particular to a lithium iron phosphate battery detection and processing method and device. Background technique [0002] With the shortage of energy, rising oil prices, and increasingly serious urban environmental pollution, the development and utilization of new energy alternatives to oil has been paid more and more attention by governments of all countries. In the new energy system, the battery system is an indispensable and important part. [0003] Lithium batteries have been widely used in portable handheld devices such as mobile phones, notebook computers, and electric tools due to their high energy density, high number of repeated cycles, light weight, and environmental protection, and have begun to enter large-scale applications such as electric vehicles and electric vehicles. In the application of power, it has become a hot spot in the development of electric veh...

Claims

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Application Information

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IPC IPC(8): G01R31/36
Inventor 赵兵傅振李纯徐寅辰
Owner SHANGHAI CHIYUAN NEW MATERIAL TECH
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