WO2014161333A1 - Power-off control method and system for user terminal - Google Patents

Abstract

Disclosed is a power-off control method and system for a user terminal. The method comprises: triggering power-off control during warehousing and transportation of a user equipment or during system breakdown of the user equipment; and generating a power-off control signal, and controlling to disconnect a battery and a system of the user equipment according to the power-off control signal, so as to implement power-off cold restart of the user equipment. The system comprises: a counter delay control unit, configured to generate a power-off control signal according to power-off control triggered by an external button unit, and output the power-off control signal to a switch control unit; and a switch control unit, configured to control to disconnect a battery and a system of the user equipment according to the power-off control signal, so as to implement power-off cold restart of the user equipment.

Description

 User terminal power-off control method and system

 The present invention relates to a control technology of a user terminal, and in particular, to a method and system for controlling a power outage of a user terminal in the case of abnormality of a user terminal device. Background technique

 At present, various types of user terminals, especially portable mobile terminal devices that are easy to carry, are developing rapidly, such as various tablet computers, various MP5s, PSPs, smart phones, etc., especially smart phone products are developing more rapidly, some Well-known communication equipment manufacturers and mobile phone manufacturers have launched their own high-end smart products to seize the market. The corresponding intelligent products have higher and higher performance, the set success is more and more abundant, the structural shape tends to be ultra-thin design, and the software system is also larger. In order to meet the needs of various users, corresponding free applications are also emerging. Such complex hardware and software systems and user requirements for more applications pose significant challenges to the proper operation of handheld mobile terminal devices. Maybe a certain time, a certain location, the abnormal operation of a wrong application will cause the system to crash abnormally, the program can not respond, and the hot restart cannot be achieved by the system's own reset function. More importantly, however, the current mainstream high-end user equipments use a built-in large-capacity non-removable battery design, which cannot solve the problem of system power-off and cold restart by disassembling the battery. There is no effective solution to this problem. Summary of the invention

 In view of this, the main objective of the embodiments of the present invention is to provide a method and system for controlling power-off of a user terminal, which can implement a power-off cold restart of the user terminal without disassembling the battery.

 To achieve the above objective, the technical solution of the embodiment of the present invention is implemented as follows:

A method for controlling power-off of a user terminal, the method comprising: The power-off control is triggered when the user equipment is stored or transported or when the user equipment system is dead; the power-off control signal is generated, and the battery and the system of the user equipment are disconnected according to the power-off control signal to implement the power-off cold restart of the user equipment.

 The method further includes: triggering a reset control to implement a hot restart when the user equipment system crashes, and continuing to trigger the power failure control if the hot restart is unsuccessful.

 The trigger power-off control specifically includes: starting a counter of a long button event of the user, and triggering the power-off control if the counting time of the counter reaches a duration of the trigger power-off control set for the long button event.

 The triggering reset control specifically includes: starting a counter of a long button event of the user, and triggering the reset control if the counting time of the counter reaches a duration of the reset control set for the long button event.

 The obtaining a long button event of the user specifically includes: acquiring a long button event generated by the user equipment when a device function key is operated, or acquiring a long button event formed by the user equipment when the at least one device function key combination operation is performed.

 The operation of the function key of a device specifically includes: operating the power button of the user equipment;

 The operation includes the at least one device function key combination operation, and specifically includes: operating the power button of the user equipment and the volume adjustment key of the user equipment, or operating the power button of the user equipment and the volume adjustment button of the user equipment.

 A user terminal power-off control system, the system comprising:

 The external button unit is configured to trigger the power-off control when the user equipment is stored and transported or when the user equipment system is dead;

 The counter delay control unit is configured to generate a power-off control signal according to the power-off control triggered by the external button unit, and output a power-off control signal to the switch control unit;

a switch control unit configured to control disconnection of the user equipment according to the power-off control signal The pool and the system implement the power-off cold restart of the user equipment.

 The external button unit, the counter delay control unit, and the switch control unit use a central processing unit (CPU), a digital signal processor (DSP), or a programmable circuit when performing processing. Logic array (FPGA, Field - Programmable Gate Array) implementation.

 The external button unit is further configured to trigger a reset control to implement a warm restart when the user equipment system crashes, and continue to trigger the power-off control if the hot restart is unsuccessful.

 The system further includes: an existing system unit, wherein the external button unit is further configured to notify the counter delay control unit to start the counter while acquiring a long button event of the user;

 The counter delay control unit is further configured to trigger a power-off control to output the power-off control signal to the switch control unit if the count time of the statistics counter reaches a duration of the trigger power-off control set for the long button event ;

 The switch control unit controls disconnection of electrical connections to the battery and system unit of the user equipment. The system further includes an existing system unit, and the external button unit is further configured to start a counter while acquiring a long button event of the user, and if the counting time of the statistical counter reaches a duration of the reset control set for the long button event, Then the reset control is triggered, and a reset control signal is output to the system unit for system reset hot restart.

 The method of the embodiment of the present invention is: triggering power-off control when the user equipment is warehousing or transporting or when the user equipment system is dead; generating a power-off control signal, and controlling disconnection of the battery and system of the user equipment according to the power-off control signal to implement the user equipment The power is off and cold restarted. With the embodiment of the present invention, since the power can be controlled to make the battery and the system unusable, the power-off cold restart of the user terminal can be realized without disassembling the battery. DRAWINGS

1 is a flow chart showing the principle of a method according to an embodiment of the present invention; 2 is a schematic structural diagram of a system according to an embodiment of the present invention;

 3 is a flow chart of an embodiment of a method of the present invention;

 4 is a schematic diagram of a typical application circuit of a system embodiment of the present invention. detailed description

 The implementation of the technical solution will be further described in detail below with reference to the accompanying drawings.

 The embodiment of the invention relates to power-off control when the user terminal device is abnormal, and is a scheme for disconnecting the battery and the system unit without disassembling the battery, specifically, using the counter delay principle to control the switch control unit, so as to make the switch control unit Disconnect from the battery and the existing system unit, so that the system and battery disconnection can be achieved without disassembling the battery. By using this scheme, the battery and the system can be disconnected from the inventory and transportation process after the production of the user terminal is offline, and the battery and the device can be separately stored and transported, thereby ensuring that the battery is not consumed and safe during inventory and transportation, and the user can be further solved. The terminal device system is abnormally dead and cannot be restarted hot.

 The method of the embodiment of the invention mainly includes the following contents:

 The counter delay principle is used to control the switch control unit to disconnect the switch control unit from the battery and the existing system unit.

 As shown in FIG. 1, the principle flow of the method of the embodiment of the present invention includes the following steps:

 Step 101: The power-off control is triggered when the user equipment is stored and transported or when the user equipment system is dead. Step 102: Generate a power-off control signal, and control a battery and a system for disconnecting the user equipment according to the power-off control signal to implement a power-off cold restart of the user equipment.

 The system of the embodiment of the present invention mainly includes the following contents:

 1. An external button unit that can realize function multiplexing is used as a trigger implementation unit of a reset or power-off control signal when the system is dead; 2. A counter delay control unit is used to generate and output a power-off control signal; A switch control unit is used to receive the power-off control signal to achieve the function of disconnecting and connecting the battery and the system.

As shown in FIG. 2, the system of the embodiment of the present invention includes: An external button unit that can be reused. The specific form of the external button unit can be a function button on the smart phone. It is usually used as a normal button. When the system is abnormally dead or in stock/transport, the power-off control is triggered, which can be used as a reset or An input operation unit that triggers a signal when the power is off;

 A counter delay control unit configured to generate a power-off control signal, which may be specifically a counter circuit, and determine whether a power-off control signal needs to be output to the switch control unit by calculating a length of time for inputting a trigger signal by an external button unit;

 A switch control unit, which may be specifically a switch circuit, is configured to receive a power-off control signal, and control the battery and the existing system unit according to the power-off control signal to implement a reset hot restart or a power-off cold restart of the user terminal.

 Here, the existing system unit may be specifically a system circuit configured to receive a reset control signal or a power-off control signal to implement a system reset hot restart or a power-off cold restart of the user terminal. For the reset control signal, the corresponding function is the system reset hot restart of the user terminal. For the power-off control signal, the corresponding function is the power-off cold restart.

 In summary, the beneficial technical effects of the embodiments of the present invention are as follows: A configuration is provided for the user equipment, especially the handheld mobile terminal equipment system is abnormally dead and cannot be reset and restarted, the emergency power-off restart and the battery and equipment are separated during the inventory transportation process. The scheme is simple in principle, no software code development is required in the development process, and the system works stably and reliably, which greatly improves the operational fault tolerance of the handheld mobile terminal device and the product user experience.

 The embodiments of the present invention are exemplified below.

 Method embodiment:

FIG. 3 is a schematic flow chart of an embodiment of the present invention. A handheld mobile terminal device has been pre-set with a reset and power-off control time at the time of shipment from the factory. First, during the machine inventory/transport process, the counter circuit is started by pressing the button for a long time. If the button time reaches the preset 8S power-off control time, a power-off control signal is output to control the switch circuit to disconnect the battery. And the system circuit, so as to achieve the purpose of disconnecting the battery, to ensure safe storage and transportation and save power. In this case, it is for a cold restart, that is, a cold restart can be successfully achieved without disassembling the battery.

 Another situation is that after the machine leaves the factory, during the normal use of the machine, if the system crashes abnormally, after the long press of the button 5S, the preset 5S reset control time is reached, and the system circuit directly resets the system after receiving this signal. Restart, if the system cannot reset and restart successfully at this time, continue to press the button to 8S, the preset 8S power-off control time is reached, the power-off signal is sent to control the switch circuit to disconnect the battery, and then the machine is restarted after the normal boot. Normal start. In this case, it is for the case that the warm restart cannot be reset, that is, the system reset function can be realized after the cold restart recovery system is successfully implemented without disassembling the battery.

 The specific process described in Figure 3 includes the following steps:

 Step 201: The user equipment goes offline to set the reset and power off control time.

 Step 202: Whether the user equipment needs inventory/transport, if yes, step 203 is performed; otherwise, step 206 is performed.

 Step 203: Press and hold the button 8S to start the counter.

 Step 204: Whether the counting time has arrived, if yes, execute step 205; otherwise, return to step 203.

 Step 205: Output a power-off control signal, and open the switch.

 Step 206: The user equipment is shipped from the factory, and the power button is pressed shortly to start normally.

 Step 207: The user equipment works normally.

 Step 208: The system of the user equipment is abnormally dead. If yes, step 209 is performed; otherwise, the process returns to step 207.

 Step 209: Press and hold the button 5S to issue a reset control signal.

Step 210: The system resets the hot restart, and if yes, returns to step 207; otherwise, step 211 is performed. Step 211: Press and hold the button 8S to start the counter.

 Step 212: Whether the counting time has arrived, if yes, proceed to step 213; otherwise, return to proceed to step 211.

 Step 213: Output a power-off control signal, and open the switch.

 System embodiment:

 4 is a typical application circuit of an embodiment of the system of the present invention. The application circuit includes an existing handheld mobile terminal device system circuit, a counter circuit and a switching circuit. The system circuit includes a power management (PMIC) module, a processor (CPU) module, and a memory

(LPDDR2 and EMMC) modules, display (TP/LCD) modules, WIFI/BT/FM wireless communication modules, GSM/UMTS/TD/CDMA/LTE wireless communication modules, audio input and output

(CODEC) module, sensor (SENSOR) module and camera (CAMERA) module. The external buttons have a switch button, volume +, - button, and so on. The typical application circuit uses a switch machine

The (POWER) button acts as a multiplexed function key for the reset and power-down control functions. When the user equipment is in normal use, the function key is used as the power on/off button. The following describes the functions triggered by the function key in each case:

 User device power on: When the device is powered off, press the POWER button shortly to enable the system to boot normally.

 User equipment shutdown: Under normal use of the device, short press the POWER button to call up the system shutdown interface, and the system will shut down normally through the touch screen operation.

 During the offline storage/transportation of the user equipment, the function key is used as the power-off control button, and the equipment is offline stock/transport: long press the switch button, the counter circuit starts timing, and the button time reaches the set 8S, the counter circuit The power-off control signal is output, and the control switch disconnects the battery compartment system.

In the abnormal state of the user equipment, the function key is used as the reset and power-off control button, the device is reset and powered off: When the device is in an abnormal state, press and hold the POWER button 5S, the system reset circuit is turned on, and the whole system is reset and restarted. If the reset restart does not restart the system, continue Press the POWER button, the counter circuit starts counting. After the input time reaches the set 8S, the counter circuit outputs a power-off control signal to disconnect the battery and the system circuit, and then the whole system is restarted normally. The counter circuit can set the reset delay time by adding an external circuit. In this embodiment, the delay time is set by an external pull-down resistor.

 In the following, the various working states of the embodiments of the present invention are summarized according to the working conditions:

 1. After the user equipment is produced and shipped offline, there is a key input: the counter circuit reaches the set time, outputs an effective control signal, and controls the battery and the system to be disconnected;

 2. The normal working state of the system, no key input: the reset circuit and the counter circuit are in an inactive state, and the output signal remains in an inactive level;

 3, the system is in normal working state, there is button input: the reset circuit and the counter circuit are in the valid state, calculate the button input delay, the delay does not reach the set time, and the output signal remains inactive;

4. The system is in an abnormal state: the reset circuit is in an inactive state, and the output signal remains inactive;

 5, the system crashes the button state: The reset circuit is in the active state, the button delay is calculated, the time is not enough, and the output signal remains inactive;

 6. System button restart status: The reset and counter circuits are in the active state, the output signal remains at the active level, and the system resets or restarts.

 In summary, by increasing the counter circuit, it is ensured that the user equipment, especially the smart handheld mobile terminal equipment inventory/transport and system abnormal crash state, can be easily implemented by external button operation to perform system power-off cold restart and reset hot restart. Because this solution is a simple hardware integrated module circuit application, it is reliable, low cost, and easy to implement. At the same time, there is no need to add new operation buttons or structural openings on the device, which improves the aesthetic appearance of the whole machine.

The above is only the preferred embodiment of the present invention and is not intended to limit the scope of the present invention. Industrial applicability

 In the embodiment of the present invention, the power-off control is triggered when the user equipment is stored and transported or when the user equipment system is dead; the power-off control signal is generated, and the battery and the system of the user equipment are disconnected according to the power-off control signal, so that the user equipment is broken. Electric cold restart. With the embodiment of the present invention, since the power can be controlled to make the battery and the system unusable, the power-off cold restart of the user terminal can be realized without disassembling the battery.

Claims

claims 1. A user terminal power outage control method, the method includes: Power-off control is triggered when user equipment is stored and transported or when the user equipment system crashes; A power-off control signal is generated, and the battery and system of the user equipment are controlled to be disconnected according to the power-off control signal to realize a power-off cold restart of the user equipment. 2. The method according to claim 1, wherein the method further includes: triggering reset control to implement hot restart when the user equipment system crashes, and continuing to trigger the power-off control if the hot restart is unsuccessful. 3. The method according to claim 1, wherein the triggering power-off control specifically includes: acquiring the user's long key press event and starting a counter at the same time, if the counting time of the counter reaches the trigger power-off control set for the long key press event. time, the power-off control is triggered. 4. The method according to claim 2, wherein the triggering reset control specifically includes: acquiring the user's long key press event and starting a counter at the same time, if the counting time of the counter reaches the reset control duration set for the long key press event, Then reset control is triggered. 5. The method according to claim 3 or 4, wherein the obtaining the user's long key press event specifically includes: obtaining the long key press event generated by the user equipment when operating a device function key, or obtaining the long key press event generated by the user equipment when a device function key is operated, or obtaining the long key press event of the user equipment including at least A long key event formed when a device function key combination is operated. 6. The method according to claim 5, wherein the operation of function keys on a device specifically includes: operating the power-on key of the user device; The described operation includes at least one device function key combination operation, specifically including: operating on the power-on key of the user equipment and the volume adjustment + key of the user equipment, or operating on the power-on key of the user equipment and the volume adjustment - key of the user equipment. 7. A user terminal power outage control system, which includes: The external button unit is configured to be pressed when the user equipment is stored and transported or when the user equipment system crashes. Power outage control; The counter delay control unit is configured to generate a power-off control signal based on the power-off control triggered by the external key unit, and output the power-off control signal to the switch control unit; The switch control unit is configured to control the disconnection of the battery and system of the user equipment according to the power outage control signal to implement a power outage cold restart of the user equipment. 8. The system according to claim 7, wherein the external button unit is further configured to trigger reset control to implement hot restart when the user equipment system crashes. If the hot restart is unsuccessful, continue to trigger the power-off control. 9. The system according to claim 7, wherein the system further includes: an existing system unit, and the external key unit is further configured to obtain the user's long key event while notifying the counter delay control unit to start. counter; The counter delay control unit is also configured to trigger the power-off control and output the power-off control signal to the switch control unit if the counting time of the statistical counter reaches the duration of triggering the power-off control set for the long key event. ; The switch control unit controls to disconnect the electrical connection with the battery and system unit of the user equipment. 10. The system according to claim 8, wherein the system further includes an existing system unit, and the external key unit is further configured to acquire the user's long key event and start a counter at the same time. If the counting time of the statistical counter reaches The reset control duration set for the long key event triggers the reset control and outputs the reset control signal to the system unit for system reset and hot restart.