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Voltage measuring method and voltage measuring device

A voltage measurement and voltage technology, applied in the field of communication, can solve the problem of large battery voltage measurement error, and achieve the effect of improving measurement accuracy, reducing measurement error, and reducing charging time

Inactive Publication Date: 2017-01-11
ZTE CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0011] The present invention provides a voltage measurement method and device to at least solve the problem of large battery voltage measurement errors in the related art

Method used

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  • Voltage measuring method and voltage measuring device
  • Voltage measuring method and voltage measuring device
  • Voltage measuring method and voltage measuring device

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Embodiment Construction

[0032] Hereinafter, the present invention will be described in detail with reference to the drawings and examples. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.

[0033] It should be noted that the terms "first" and "second" in the description and claims of the present invention and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence.

[0034] In this embodiment, a voltage measurement method is provided, figure 2 is a flowchart of a voltage measurement method according to an embodiment of the present invention, such as figure 2 As shown, the process includes the following steps:

[0035] Step S202 , measuring the voltage between the electrodes of the battery cell by using two detection signal lines provided on the battery side connector, wherein the two detection signal lines are ...

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Abstract

The invention provides a voltage measuring method and a voltage measuring device. According to the method, the voltage between the electrodes of a battery cell is measured by two detection signal lines arranged on a battery-side connector, wherein the two detection signal lines are respectively connected to the electrode lead ends of the battery cell. Through the voltage measuring method and the voltage measuring device of the invention, the problem of large battery voltage measurement error in the related technology is solved, and furthermore, the battery voltage measurement error is reduced, the measurement precision is improved, and the charging time is reduced.

Description

technical field [0001] The present invention relates to the communication field, in particular to a voltage measurement method and device. Background technique [0002] Current terminals use external batteries and built-in batteries. Due to the inevitable additional resistance on the battery path, the resistance is about 80-200mΩ. The additional resistance mainly includes: cell lead resistance, internal resistance of the battery protection circuit, battery lead resistance, contact resistance between the battery side connector and the motherboard side connector. These additional resistors cause inaccurate fuel gauge measurements and inaccurate sampling of the charging voltage. [0003] figure 1 is a schematic diagram of voltage measurement in the related art, figure 1 What is shown is a solution generally adopted by current terminals, and the battery voltage sampling point is set near the battery connector (7). This solution can only reduce the influence of the additiona...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R19/00H02J7/00G01R11/17
CPCG01R31/36
Inventor 刘昭元
Owner ZTE CORP
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