Storage battery overload performance detection apparatus
A detection device and storage battery technology, applied in the direction of measuring devices, measuring electricity, measuring electrical variables, etc., can solve the problems of shortening battery life, battery heating, and low battery efficiency, so as to prevent the reduction of life, prevent overload, and simple structure Effect
Inactive Publication Date: 2015-04-08
STATE GRID CORP OF CHINA +1
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[0003] As we all know, the actual discharge capacity of the battery is closely related to the discharge current. In the case of a certain end voltage, the greater the discharge current, the smaller the actual output capacity of the battery, and the lower the efficiency of the battery. For example: for a 12V / 100Ah battery, The termination voltage is 1.8V / single battery. When the discharge current is 5A, the discharge capacity can reach 100Ah. When the discharge current is 10A, the discharge capacity of the battery is 90Ah; Discharging will cause the actual discharge capacity of the battery to exceed its rated capacity, resulting in deep discharge of the battery, resulting in a reduction in the number of battery cycles, which in turn will cause the battery to heat up, expand, fail, etc., and shorten the service life of the battery; therefore, understand the battery after overloading Performance, reasonable use of batteries, is particularly important for improving battery life
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[0016] like figure 1 As shown in the battery overload performance detection device, a microprocessor controller 1, an internal resistance detection circuit 2, a voltage detection circuit 3, a temperature detection unit 4, a communication unit 5, a power supply unit 6 and a display unit 7, the microprocessor controller 1 They are respectively connected to the internal resistance detection circuit 2, the voltage detection circuit 3, the temperature detection unit 4, the communication unit 5, the power supply unit 6 and the display unit 7, and the model of the microprocessor controller is MSP430F423.
[0017] like figure 2 , image 3 As shown, the internal resistance detection circuit 2 includes a current transformer CT, an acquisition card U1 and a resistance box R, and the current transformer CT is connected to the acquisition card U1; the positive input terminal A0 of the storage battery is connected in parallel with a DC contact One end of the switch K1 is connected to one...
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The invention belongs to the technical field of a storage battery overload performance detection apparatus, for solving the technical problem of providing a storage battery overload performance detection apparatus which is simple in structure, can detect multiple parameters of a storage battery and can comprehensively analyze the parameters of the overload storage battery. The technical scheme employed by the invention is as follows: the apparatus comprises a microprocessing controller, an internal resistance detection circuit, a voltage detection circuit, a temperature detection unit, a communication unit, a power unit and a display unit, wherein the microprocessing controller is respectively connected with the internal resistance detection circuit, the voltage detection circuit, the temperature detection unit, the communication unit, the power unit and the display unit. The storage battery overload performance detection apparatus is applied to the field of detection of a storage battery.
Description
technical field [0001] The invention belongs to the technical field of storage battery overload performance detection devices. Background technique [0002] The storage battery is a device that converts electrical energy into chemical energy and stores it. When using electricity, it converts chemical energy into electrical energy. It can be used repeatedly for charging and discharging cycles. It is usually used in UPS systems as a backup power supply for the system. In the main power supply or power generation Emergency use in case of equipment failure has been widely used in industrial production, transportation, communication and other industries. The battery is an important part of the UPS system. The service life and efficiency of the battery are directly related to the reliability of the entire UPS system. [0003] As we all know, the actual discharge capacity of the battery is closely related to the discharge current. In the case of a certain end voltage, the greater t...
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IPC IPC(8): G01R31/36
Inventor 王新彦郭庆薛小东薛继安段海龙李志昱
Owner STATE GRID CORP OF CHINA