CN110908834A - Power failure restart device and method and electronic equipment - Google Patents
Power failure restart device and method and electronic equipment Download PDFInfo
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- CN110908834A CN110908834A CN201911086349.0A CN201911086349A CN110908834A CN 110908834 A CN110908834 A CN 110908834A CN 201911086349 A CN201911086349 A CN 201911086349A CN 110908834 A CN110908834 A CN 110908834A
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- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operation
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- G06F11/1415—Saving, restoring, recovering or retrying at system level
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Abstract
The invention provides a power failure restarting device, which comprises a power supply module, a switch module, a main system module and a detection module, wherein the power supply module is used for supplying power to the main system module; the power supply module is connected with the switch module, and the switch module is connected with the main system module; the detection module is connected with the switch module and the main system module. The invention also provides a power failure restarting method and electronic equipment. According to the device, the method and the electronic equipment for restarting the power failure, provided by the invention, the detection module outputs a corresponding signal and controls the on and off of the switch module by detecting whether the pulse signal sent by the main system module can be detected, so that the connection and disconnection between the power supply module and the main system module are realized, the power failure of the main system module after the main system module is halted is realized, the automatic restart process is realized, the manual intervention is not needed, and the use convenience of a user is improved.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of electronic equipment, in particular to a power-down restarting device and method and electronic equipment.
[ background of the invention ]
At present, in the use process of electronic equipment, a system crash situation can occur, after the system crash, the battery is usually required to be pulled out and reinstalled, the system is restarted by pressing a startup key, or the system is restarted by pressing some specific keys for a long time, that is, after the system crash, the system can be restarted by human intervention, and the use convenience of a user is poor.
In view of the foregoing, it is desirable to provide a novel apparatus, a method and an electronic device for restarting after a power failure, so as to overcome the above-mentioned drawbacks.
[ summary of the invention ]
The invention aims to provide a power-down restarting device, a power-down restarting method and electronic equipment, which can automatically restart a system after the system is halted without human intervention and improve the use convenience of a user.
In order to achieve the above object, the present invention provides a power-down restart apparatus, which includes a power supply module, a switch module, a main system module and a detection module; the power supply module is connected with the switch module, and the switch module is connected with the main system module; the detection module is connected with the switch module and the main system module; the detection module is used for outputting a power-down signal when the pulse signal sent by the main system module is not detected within preset time; the switch module is used for disconnecting the power supply module from the main system module when the power failure signal is received; the detection module is also used for outputting a power-on signal after the power supply module is disconnected from the main system module for a preset time; the switch module is also used for communicating the power supply module with the main system module when the power-on signal is received; and the main system module is used for receiving the power-on signal and restarting.
In a preferred embodiment, the switch module is a load switch, the power supply module is connected to a voltage input pin of the load switch, the main system module is connected to a voltage output pin of the load switch, and the detection module is connected to an enable pin of the load switch.
In a preferred embodiment, the power-down signal is a low-level signal, and the power-up signal is a high-level signal.
In a preferred embodiment, the detection module is a timer, the enable pin of the load switch is connected to the output pin of the timer, and the main system module is connected to the detection pin of the timer.
In a preferred embodiment, the main system module further includes a reset module, the reset module is connected to an output pin of the timer, and the reset module is configured to receive the power-on signal and control the main system module to restart.
In a preferred embodiment, the power supply module is connected to a power pin of the timer, and the power supply module is configured to supply power to the timer.
The invention also provides a power failure restarting method, which comprises the following steps: when the pulse signal sent by the main system module is not detected within the preset time, the detection module sends a power-down signal; the switch module disconnects the power supply module from the main system module when receiving the power failure signal; after the power supply module and the main system module are disconnected for a preset time, the detection module sends a power-on signal; the switch module communicates the power supply module with the main system module when receiving the power-on signal; and the main system module receives the power-on signal and restarts the power-on signal.
In a preferred embodiment, the power-down signal is a low-level signal, and the power-up signal is a high-level signal.
In a preferred embodiment, the step of receiving the power-on signal and restarting the main system module includes: and the reset module in the main system module receives the power-on signal and controls the main system module to restart.
The invention further provides an electronic device comprising the power-down restarting device in any one of the above embodiments.
Compared with the prior art, according to the device, the method and the electronic equipment for restarting after power failure, provided by the invention, the detection module can output corresponding signals and control the switch module to be switched on and off through detecting whether the pulse signals sent by the main system module can be detected or not, so that the power supply module is connected with and disconnected from the main system module, further, when the main system module is in a dead halt state, the main system module cannot send the pulse signals, the detection module outputs the power failure signals and controls the switch module to be switched off, the power supply module does not supply power to the main system module any more, and the automatic power failure of the main system module is realized when the main system module is in; and after the power supply module and the main system module are disconnected for a preset time, the detection module can also output a power-on signal to control the switch module to be switched on, the power supply module continues to supply power to the main system module, and meanwhile, the main system module receives the power-on signal and restarts the power supply module, so that the power failure of the main system module after the main system module is halted is realized, the automatic restart process is realized, the manual intervention is not needed, and the use convenience of a user is improved.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic block diagram of a power-down restart apparatus provided in the present invention;
fig. 2 is a flowchart of a method for restarting a power failure according to the present invention.
[ detailed description ] embodiments
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic block diagram of a power down restart apparatus 100 according to the present invention. The device 100 for restarting the power failure provided by the invention comprises a power supply module 10, a switch module 20, a main system module 30 and a detection module 40.
The power supply module 10 is connected with the switch module 20, and the switch module 20 is connected with the main system module 30; the detection module 40 is connected to the switch module 20, and the detection module 40 is also connected to the main system module 30. The detection module 40 is configured to output a power-down signal when the pulse signal sent by the main system module 30 is not detected within a preset time; the switch module 20 is configured to receive the power-down signal and disconnect the power supply module 10 from the main system module 30; the detection module 40 is further configured to output a power-on signal after the power supply module 10 is disconnected from the main system module 30 for a preset time; the switch module 20 is further configured to receive the power-on signal and communicate the power supply module 10 with the main system module 30; the main system module 30 is used to receive the power-on signal and restart. It can be understood that the preset time can be adjusted according to actual requirements, and a user can set the detection module to determine the preset time.
According to the device 100 for restarting after power failure provided by the invention, when the main system module 30 is in a normal working state, the main system module 30 continuously sends out pulse signals, the detection module 40 detects the pulse signals sent out by the main system module 30, the output signals of the detection module 40 control the switch module 20 to be closed, namely the power supply module 10 is communicated with the main system module 30, and the power supply module 10 supplies power to the main system module 30 through the switch module 20. When the main system module 30 is in a dead halt state, the main system module 30 cannot send a pulse signal, the detection module 40 cannot detect the pulse signal sent by the main system module 30 within a preset time, at this time, an output signal of the detection module 40 is a power-down signal, the switch module 20 receives the power-down signal and is switched off, namely, the power supply module 10 is switched off from the main system module 30, the power supply module 10 no longer supplies power to the main system module 30, the main system module 30 is shut down, and automatic power down of the main system module 30 during the dead halt state is realized; moreover, after the power supply module 10 and the main system module 30 are disconnected for a preset time, the detection module 40 can also output a power-on signal, the switch module 20 receives the power-on signal and is connected, that is, the power supply module 10 is connected with the main system module 30, the power supply module 10 continues to supply power to the main system module 30, and meanwhile, the main system module 30 receives the power-on signal and restarts, so that the processes of powering down and automatically restarting the main system module 30 after the main system module is halted are realized.
Therefore, in the apparatus 100 for restarting after power failure provided by the present invention, the switch module 20 is added between the power supply module 10 and the main system module 30, when the switch module 20 is turned on, the power supply module 10 can supply power to the main system module 30, and when the switch module 20 is turned off, the power supply module cannot supply power to the main system module, the detection module 40 is connected to the switch module 20, the detection module 40 is also connected to the main system module 30, the detection module 40 can detect the pulse signal sent by the main system module 30 to output a corresponding signal and control the on and off of the switch module 20, so as to connect and disconnect the power supply module 10 and the main system module 30, thereby when the main system module 30 is in a dead halt state, the main system module 30 cannot send the pulse signal, the detection module 40 outputs a power failure signal, controls the switch module 20 to be disconnected, and the power supply module 10 no longer supplies power to, the automatic power down of the main system module 30 is realized when the system is halted; moreover, after the power supply module 10 and the main system module 30 are disconnected for a preset time, the detection module 40 can also output a power-on signal to control the switch module 20 to be switched on, the power supply module 10 continues to supply power to the main system module 30, and meanwhile, the main system module 30 receives the power-on signal and restarts the power supply signal, so that the power failure of the main system module 30 after the halt is realized, and the process of automatic restart is realized, no human intervention is needed, and the use convenience of a user is improved.
Specifically, the power supply module 10 can supply power to the main system module 30 through the switch module 20, and the power supply module 10 may include, for example, a battery and a battery management system. In this embodiment, the power supply module 10 is further connected to the detection module 40, and the power supply module 10 is further configured to supply power to the detection module 40.
Further, the switch module 20 is a load switch, and the load switch includes a voltage input pin, a voltage output pin, an enable pin, and a ground pin. The power supply module 10 is connected to a voltage input pin of the load switch, the main system module 30 is connected to a voltage output pin of the load switch, and the detection module 40 is connected to an enable pin of the load switch. In this embodiment, the power-down signal is a low-level signal, and the power-up signal is a high-level signal, that is, when the output signal of the detection module is a low-level signal, the enable pin of the switch module 20 is at a low level, the switch module 20 is turned off, and when the output signal of the detection module is a high-level signal, the enable pin of the switch module 20 is at a high level, and the switch module 20 is turned on.
Further, the detection module 40 is a timer, and the timer includes a power pin, a detection pin, and an output pin. Specifically, the power supply module 10 is connected to a power pin of the timer, the power supply module 10 supplies power to the timer, the enable pin of the load switch is connected to an output pin of the timer, and the main system module 30 is connected to a detection pin of the timer.
When the main system module 30 is in a normal working state, the main system module 30 continuously sends a pulse signal to the detection pin of the timer, and the output pin of the timer outputs a high level signal and controls the switch module 20 to be closed; when the main system module 30 is in a dead halt state, the main system module 30 cannot send a pulse signal to the detection pin of the detection module 40, and the output pin of the timer outputs a power-down signal (low-level signal) and controls the switch module 20 to be switched off, so that automatic power-down of the main system module 30 is realized when the main system module is in the dead halt state; moreover, after the power supply module 10 and the main system module 30 are disconnected for a preset time, the output pin of the timer can also output a power-on signal (high-level signal) and control the switch module 20 to be switched on, the power supply module 10 continues to supply power to the main system module 30, and meanwhile, the main system module 30 receives the power-on signal and restarts, so that the process that the main system module 30 is powered off after being halted and automatically restarted is realized.
In one embodiment, the main system module 30 further includes a reset module 31, the reset module 31 is connected to the output pin of the detection module 40, and the reset module 31 is configured to receive a power-on signal output from the output pin of the detection module 40 and control the main system module 30 to restart. Specifically, the reset module 31 is connected to an output pin of the timer, and the reset module 31 is configured to receive a power-on signal output by the output pin of the timer and control the main system module 30 to restart.
According to the device 100 for restarting the power failure, the switch module 20 is additionally arranged between the power supply module 10 and the main system module 30, the detection module 40 is connected with the switch module 20, the detection module 40 is also connected with the main system module 30, when the main system module 30 is in a dead halt state, the detection module 40 outputs a power failure signal to control the switch module 20 to be disconnected, the power supply module 10 does not supply power to the main system module 30 any more, and the automatic power failure of the main system module 30 in the dead halt state is realized; moreover, after the power supply module 10 and the main system module 30 are disconnected for a preset time, the detection module 40 can also output a power-on signal to control the switch module 20 to be switched on, the power supply module 10 continues to supply power to the main system module 30, and meanwhile, the main system module 30 receives the power-on signal and restarts the power supply signal, so that the power failure of the main system module 30 after the halt is realized, and the process of automatic restart is realized, no human intervention is needed, and the use convenience of a user is improved.
Referring to fig. 2, the present invention further provides a method for restarting a power failure, which includes the following steps:
step S10: and when the pulse signal sent by the main system module is not detected within the preset time, the detection module sends a power-down signal.
Specifically, when the main system module 30 is in a dead halt state, the main system module 30 cannot send a pulse signal, the detection module 40 cannot detect the pulse signal sent from the main system module 30 within a preset time, and at this time, the detection module 40 outputs a power down signal, which is a low level signal in this embodiment.
Step S20: and the switch module disconnects the power supply module from the main system module when receiving the power failure signal.
Specifically, the switch module 20 receives the power-down signal and turns off, that is, the power supply module 10 is turned off from the main system module 30, the power supply module 10 no longer supplies power to the main system module 30, and the main system module 30 is turned off, so that automatic power-down of the main system module 30 is realized when the main system module is in a dead halt.
Step S30: and after the power supply module is disconnected from the main system module for a preset time, the detection module sends a power-on signal.
Specifically, after the detection module 40 outputs the power-down signal for a preset time, the detection module can automatically output a power-up signal, which is a high-level signal in this embodiment.
Step S40: and the switch module is used for communicating the power supply module with the main system module when receiving the power-on signal.
Specifically, the switch module 20 receives the power-on signal and is turned on, that is, the power supply module 10 is connected to the main system module 30, and the power supply module 10 continues to supply power to the main system module 30.
Step S50: and the main system module receives the power-on signal and restarts the power-on signal.
Specifically, the reset module 31 in the main system module 30 receives the power-on signal and controls the main system module 30 to restart.
According to the method for restarting the power failure, when the main system module 30 is in a normal working state, the main system module 30 continuously sends out pulse signals, the detection module 40 detects the pulse signals sent out by the main system module 30, the output signals of the detection module 40 control the switch module 20 to be closed, namely the power supply module 10 is communicated with the main system module 30, and the power supply module 10 supplies power to the main system module 30 through the switch module 20. When the main system module 30 is in a dead halt state, the main system module 30 cannot send a pulse signal, the detection module 40 cannot detect the pulse signal sent by the main system module 30 within a preset time, at this time, the detection module 40 outputs a power-down signal, the switch module 20 receives the power-down signal and is switched off, namely, the power supply module 10 is switched off from the main system module 30, the power supply module 10 no longer supplies power to the main system module 30, and the main system module 30 is shut down, so that automatic power-down of the main system module 30 during the dead halt state is realized; moreover, after the power supply module 10 and the main system module 30 are disconnected for a preset time, the detection module 40 can also output a power-on signal, the switch module 20 receives the power-on signal and is connected, that is, the power supply module 10 is connected with the main system module 30, the power supply module 10 continues to supply power to the main system module 30, and meanwhile, the main system module 30 receives the power-on signal and restarts the power supply signal, so that the process that the main system module 30 is powered off after being halted and is automatically restarted is realized, manual intervention is not needed, and the use convenience of a user is improved.
The invention further provides an electronic device comprising the power-down restarting device in any one of the above embodiments. It is understood that the electronic device may be, for example, a mobile phone, a tablet computer, a notebook computer, etc.
It should be noted that all embodiments of the apparatus 100 for restarting after power failure provided by the present invention are applicable to the method for restarting after power failure and the electronic device, and can achieve the same or similar beneficial effects.
In summary, according to the apparatus 100, the method and the electronic device for restarting after a power failure provided by the present invention, the detection module 40 outputs a corresponding signal and controls the switch module 20 to be turned on and off by detecting whether the pulse signal sent by the main system module 30 can be detected, so as to achieve the connection and disconnection between the power supply module 10 and the main system module 30, and further achieve that when the main system module 30 is in a dead halt state, the main system module 30 cannot send the pulse signal, the detection module 40 outputs a power failure signal, the switch module 20 is controlled to be turned off, the power supply module 10 does not supply power to the main system module 30 any more, and thus, the automatic power failure of the main system module 30 when the main system; moreover, after the power supply module 10 and the main system module 30 are disconnected for a preset time, the detection module 40 can also output a power-on signal to control the switch module 20 to be switched on, the power supply module 10 continues to supply power to the main system module 30, and meanwhile, the main system module 30 receives the power-on signal and restarts the power supply signal, so that the power failure of the main system module 30 after the halt is realized, and the process of automatic restart is realized, no human intervention is needed, and the use convenience of a user is improved.
The above description is only an embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structures or equivalent flow transformations that are made by using the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A device for restarting a power failure is characterized by comprising a power supply module, a switch module, a main system module and a detection module; the power supply module is connected with the switch module, and the switch module is connected with the main system module; the detection module is connected with the switch module and the main system module;
the detection module is used for outputting a power-down signal when the pulse signal sent by the main system module is not detected within preset time; the switch module is used for disconnecting the power supply module from the main system module when the power failure signal is received; the detection module is also used for outputting a power-on signal after the power supply module is disconnected from the main system module for a preset time; the switch module is also used for communicating the power supply module with the main system module when the power-on signal is received; and the main system module is used for receiving the power-on signal and restarting.
2. The apparatus for restarting after a power failure according to claim 1, wherein the switch module is a load switch, the power supply module is connected to a voltage input pin of the load switch, the main system module is connected to a voltage output pin of the load switch, and the detection module is connected to an enable pin of the load switch.
3. The apparatus for restarting with power down of claim 2, wherein the power down signal is a low level signal and the power up signal is a high level signal.
4. The apparatus for restarting after power down according to claim 3, wherein the detecting module is a timer, the enable pin of the load switch is connected to the output pin of the timer, and the main system module is connected to the detecting pin of the timer.
5. The apparatus for restarting under power failure according to claim 4, wherein the main system module further comprises a reset module, the reset module is connected to an output pin of the timer, and the reset module is configured to receive the power-on signal and control the main system module to restart.
6. The apparatus for restarting after power down according to claim 5, wherein the power supply module is connected to a power pin of the timer, and the power supply module is configured to supply power to the timer.
7. A method for restarting power failure is characterized by comprising the following steps:
when the pulse signal sent by the main system module is not detected within the preset time, the detection module sends a power-down signal;
the switch module disconnects the power supply module from the main system module when receiving the power failure signal;
after the power supply module and the main system module are disconnected for a preset time, the detection module sends a power-on signal;
the switch module communicates the power supply module with the main system module when receiving the power-on signal;
and the main system module receives the power-on signal and restarts the power-on signal.
8. The method of power down restart as claimed in claim 7, wherein the power down signal is a low level signal and the power up signal is a high level signal.
9. The method of power down restart as claimed in claim 8, wherein the step of the main system module receiving the power up signal and restarting comprises:
and the reset module in the main system module receives the power-on signal and controls the main system module to restart.
10. An electronic device comprising means for power down restart as claimed in any of claims 1-6.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111625074A (en) * | 2020-04-24 | 2020-09-04 | 北京海林节能科技股份有限公司 | Wireless module crash prevention method and circuit and wireless communication equipment |
CN113821070A (en) * | 2021-08-20 | 2021-12-21 | 浙江大华技术股份有限公司 | Power supply control system, method, computer equipment and storage medium |
-
2019
- 2019-11-08 CN CN201911086349.0A patent/CN110908834A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111625074A (en) * | 2020-04-24 | 2020-09-04 | 北京海林节能科技股份有限公司 | Wireless module crash prevention method and circuit and wireless communication equipment |
CN113821070A (en) * | 2021-08-20 | 2021-12-21 | 浙江大华技术股份有限公司 | Power supply control system, method, computer equipment and storage medium |
CN113821070B (en) * | 2021-08-20 | 2022-12-20 | 浙江大华技术股份有限公司 | Power supply control system, method, computer equipment and storage medium |
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