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Lowe-electric-quantity shutdown method

A low-battery, low-power-consumption technology, which is applied in measuring devices, data processing power supplies, measuring flow/mass flow, etc., can solve problems such as short service life, battery damage, battery aging, etc., and achieve the effect of prolonging service life

Inactive Publication Date: 2013-03-27
KUNDA COMP TECHKUSN +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] 2. Failure to discharge the remaining power in the battery before recharging, resulting in the aging of the battery and the short service life
[0006] 3. Failure to discharge the remaining power in the battery before recharging, causing the battery to be damaged and unable to charge

Method used

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  • Lowe-electric-quantity shutdown method
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Experimental program
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Embodiment Construction

[0022] see figure 1 As shown, the low-power shutdown method of the present invention can perform a shutdown operation according to the use state of the electronic device, wherein the use state of the electronic device includes a high power consumption use state and a low power consumption use state, and the high power consumption use state can be startup navigation, DVB-T also has video playback etc., and the low power consumption state can be to stop navigation, close DVB-T and stop playing movies etc.; Described low power shutdown method comprises the following steps:

[0023] Step 10: Detect whether the battery power is lower than the preset charging threshold; the preset charging threshold can be set as required, for example, the preset charging threshold can be set to 10% of the maximum battery power; when the battery power is lower than When the charging threshold is preset, execute step 20; otherwise, continue to execute step 10;

[0024] Step 20: Determine whether the...

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Abstract

The invention provides a low-electric-quantity shutdown method. The shutdown operation is carried out according to using states of an electronic device. The using states of the electronic device include a high-power-consumption using state and a low power-consumption using state. The low-electric-quantity shutdown method comprises the following steps of detecting whether battery electric quantity is lower than a preset charging threshold value or not; judging whether the electronic device is in the high-power-consumption using state or not when the battery electric quantity is lower than the preset charging threshold value; and delaying shutdown when the electronic device is in the high-power-consumption using state. When the current electric quantity of a battery is lower than the preset charging threshold value and the electronic device is in the high-power-consumption using state, the shutdown is delayed, accordingly long stand-by time of the battery can be kept, and the service life of the battery can be prolonged.

Description

【Technical field】 [0001] The invention relates to a low-battery shutdown method, in particular to a low-battery shutdown method which can determine whether to shut down immediately according to different usage states. 【Background technique】 [0002] Batteries are the source of electrical energy for electronic devices, that is, the power of electronic devices. Without the power supply of batteries, electronic devices are just a piece of scrap iron. A high-capacity and high-performance battery can not only provide long-term battery life for electronic devices, but also Protect the circuit of the electronic device, so that the electronic device can work with high efficiency for a long time. All electronic devices use lithium-ion rechargeable batteries. When the internal storage power is used up, it needs to be recharged to supplement the power supply. The life of the battery depends on the number of times of repeated charging and discharging. Lithium batteries can be charged a...

Claims

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Application Information

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IPC IPC(8): G06F1/26
Inventor 李玮庭
Owner KUNDA COMP TECHKUSN