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Mobile terminal equipment

A technology of mobile terminals and equipment, which is applied in the field of computer communication and can solve problems such as shutdown and power failure of mobile terminals

Active Publication Date: 2012-09-19
SHANDONG SHENGRUN AUTOMOBILE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] It can be seen that when the battery connector of the mobile terminal is severely worn and the resistance value is too high, it is easy to cause the mobile terminal to suddenly lose power or shut down when answering calls or other operations.

Method used

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Examples

Experimental program
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Embodiment Construction

[0027] Below, refer to Figure 1 to Figure 2 The mobile terminal equipment of the present invention is described in detail.

[0028] see figure 1 , the circuit of the mobile terminal equipment in this embodiment includes:

[0029] A battery 104, the battery 104 includes a positive plate VOUT+ and a first battery pin and a second battery pin connected to the positive plate VOUT+;

[0030] Connector 106, the connector 106 includes a first connector pin VBAT1 connected to the first battery pin and a second connector pin VBAT2 connected to the second battery pin;

[0031] A power management module 103, the power management module 103 is connected to the positive plate VOUT+ via the first connector pin VBAT1 and the first battery pin;

[0032] The electronic load module 102, the electronic load module 102 includes a first resistor R1, the first end of the first resistor R1 is connected to the positive plate VOUT+ through the first connector pin VBAT1 and the first battery pin, a...

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Abstract

The embodiment of the invention discloses a mobile terminal. According to the mobile terminal, a first voltage is acquired by a first analog-to-digital conversion unit, connected between a first end of a first resistor and a first connector pin, in a baseband chip, a second voltage of a positive plate relative to a horizontal plane is acquired by connecting a second connector pin and a second battery pin with a second analog-to-digital conversion unit of the positive plate, the resistances of the first connector pin and the first battery pin are calculated according to the first voltage, the second voltage and the resistance of the first resistor, the resistance of a power supply path of the mobile terminal is further calculated by acquiring the resistances of the first connector pin and the first battery pin, if the resistance of the power supply path exceeds a certain threshold value, conditions such as sudden power failure or sudden power off can be easily generated in the mobile terminal during telephone answering or other operation, a user is required to be reminded of timely replacing a battery, so that the user experience can be enhanced.

Description

technical field [0001] The invention relates to the field of computer communication, in particular to a mobile terminal device. Background technique [0002] After the battery of the mobile terminal is plugged and unplugged for a long time, the gold-plated layer on the surface of the battery connector joint will fall off, so that the resistance between the battery and the mobile terminal will increase. When the resistance between the battery and the mobile terminal increases to a certain level, the system will suddenly lose power or automatically shut down when the mobile terminal is talking or broadcasting video. [0003] A specific example: when the resistance between the battery and the mobile terminal reaches 0.35 ohms, the voltage of the battery cell is 3.8 volts. Under normal standby conditions, the system consumes only tens of milliamps, so the resistance of the connector at this time The voltage drop caused is almost negligible, and the voltage on the mobile termina...

Claims

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Application Information

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IPC IPC(8): H04M1/02
Inventor 张帆
Owner SHANDONG SHENGRUN AUTOMOBILE
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