AD7982 based single-battery voltage measuring device for storage battery pack
A technology of AD7982 and storage battery packs, which is applied in the field of voltage measurement devices for battery packs, can solve problems such as low measurement accuracy, common-mode voltage, and accumulation of measurement errors, and achieve the effect of isolating external interference and high measurement accuracy
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[0007] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0008] like figure 1 As mentioned above, the voltage measurement device for battery cells based on AD7982 includes 12 sets of differential conversion single-ended signal circuit measurement units, A / D conversion units and display units. The differential conversion single-ended signal measurement unit includes a differential amplifier circuit and a voltage follower, and the differential amplifier circuit uses AD7982 as a control chip. The display unit includes...
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