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Low-current alarming circuit and intelligent mobile communication equipment with same

A technology of electric alarm and circuit, which is applied in the direction of telephone communication, branch office equipment, energy consumption reduction, etc., can solve the problems of system hardware cost increase, achieve the effect of saving battery energy, reducing power consumption loss, and avoiding the increase of hardware cost

Active Publication Date: 2013-03-13
QINGDAO HISENSE MOBILE COMM TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Its disadvantages are: when the application processor is in sleep state, it needs to start from time to time, open the ADC detection channel, and read the battery voltage
But the disadvantage is that a part of the hardware circuit is added, resulting in an increase in the cost of the system hardware

Method used

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  • Low-current alarming circuit and intelligent mobile communication equipment with same
  • Low-current alarming circuit and intelligent mobile communication equipment with same
  • Low-current alarming circuit and intelligent mobile communication equipment with same

Examples

Experimental program
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Effect test

Embodiment 1

[0025] Embodiment one, see figure 2 As shown, the low battery alarm circuit of this embodiment uses the existing communication module and application processor inside the mobile phone to carry out circuit design, and uses the communication module to detect the output voltage of the battery inside the mobile phone, and compares it with the set low battery alarm voltage If the battery voltage drops to the low power warning voltage, the communication module outputs a low power wake-up signal to the application processor, so as to notify the application processor to output a warning prompt to the user.

[0026] In this embodiment, the reception and detection of the battery voltage can be specifically completed by using the analog-to-digital converter ADC in the communication module. For the vast majority of communication modules currently on the market, such as Qualcomm, Spreadtrum, MTK, etc., ADC circuits are integrated inside them. Use the interface of the ADC circuit to conne...

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Abstract

The invention discloses a low-current alarming circuit and intelligent mobile communication equipment with the same, which respectively comprise an application processor and a communication module for receiving and transmitting radio-frequency signals; the communication modules are connected with a battery, receive the voltage output by the battery and detect the battery voltage; and the communication modules output low-current waking signals to the application servers for generating an alarm prompt when the battery voltage is reduced to the low-current alarm voltage. The invention finishes the tasks of detecting the battery voltage and alarming low current by using the traditional communication module and application server in the intelligent mobile communication equipment, thereby being free from adding a hardware circuit structure of the system and avoiding the increase of the hardware cost. Meanwhile, by means of the inherent work mode that the communication module still needs starting at regular time in the hibernation state of the system so as to carry out information interaction with a base station, detection at regular time and low-voltage alarm on the battery voltage can be simultaneously carried out, thereby reducing the power consumption loss caused by the low-current alarm action executed by the system in the hibernation state.

Description

technical field [0001] The invention belongs to the technical field of power supply detection, and in particular relates to a low-power warning circuit of a power supply and an intelligent mobile communication device designed using the low-power warning circuit. Background technique [0002] At present, the vast majority of smart phones on the market adopt the design scheme of AP+Modem, that is, the architectural form of connecting the communication module Modem on the basis of the application processor AP as the main control. Among them, the communication module is responsible for receiving and sending radio frequency data; the application processor completes the centralized processing of internal data and the centralized control of various functional modules inside the mobile phone. [0003] When the existing mobile phone is not in operation, in order to save power, the application processor will set most of the functional modules to sleep and low power state, and only kee...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04M1/725H04M1/73H04B1/16H04M1/72454
CPCY02B60/50Y02D30/70
Inventor 张伟
Owner QINGDAO HISENSE MOBILE COMM TECH CO LTD
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