CN110165632A - Power-out reset system applied to electronic equipment - Google Patents
Power-out reset system applied to electronic equipment Download PDFInfo
- Publication number
- CN110165632A CN110165632A CN201910522669.XA CN201910522669A CN110165632A CN 110165632 A CN110165632 A CN 110165632A CN 201910522669 A CN201910522669 A CN 201910522669A CN 110165632 A CN110165632 A CN 110165632A
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- electronic equipment
- power
- module
- current
- processor module
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
- G01R19/16571—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing AC or DC current with one threshold, e.g. load current, over-current, surge current or fault current
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
Abstract
The invention discloses a kind of power-out reset systems applied to electronic equipment, comprising: current detection module is connected for detecting the power supply to the supply current of electronic equipment with power supply；Relay module, input terminal are connected with the current detection module, and output end is connected with electronic equipment, for controlling being turned on or off for the power electronic equipment；Processor module, it is connected with the current detection module and the relay module, the processor module obtains the current value that the current detection module detects and judges whether the electronic equipment operation is abnormal according to current value, if abnormal, power-off restoration signal then is issued to the relay module, makes the electronic equipment power-off restoration.This system can force to carry out power-off restoration to electronic equipment when electronic equipment breaks down, and be allowed to again in normal operating conditions.
Description
Technical field
The present invention relates to electronic equipment detection fields.It is more particularly related to a kind of applied to electronic equipment
Power-out reset system.
Background technique
In engineer application, long-term running electronic equipment is largely needed, usually will receive certain interference from the external world,
Or equipment itself is there are some inherent shortcomings etc., these situations often result in the processor program in electronic equipment run fly and
Into endless loop, program out of control cannot be made to get rid of extremely by the instruction technique of existing equipment itself, software trap technology at this time
The predicament of circulation, processor falls into dead state and will not automatically restore to controllable working condition, and keeps system completely paralysed
Paralysis.At this point, if operator is on the scene, so that it may press manual reset button or be re-powered to equipment, pressure system passes through
Enabling is resetted, but because operator cannot monitor system operation at any time in practical engineering application, is often being drawn
Play the manual reset just carried out after adverse consequences.
Summary of the invention
It is excellent it is an object of the invention to solve at least the above problems and/or defect, and provide at least to will be described later
Point.
It is a still further object of the present invention to provide a kind of power-out reset systems applied to electronic equipment, can be in electronics
It when equipment breaks down, forces to carry out power-off restoration to electronic equipment, be allowed to again in normal operating conditions.
In order to realize object of the present invention and further advantage, a kind of power-off restoration applied to electronic equipment is provided
System, comprising:
Current detection module, the power supply electricity being connected with power supply for detecting the power supply to electronic equipment
Stream；
Relay module, input terminal are connected with the current detection module, and output end is connected with electronic equipment, for controlling
Make being turned on or off for the power electronic equipment；
Processor module is connected with the current detection module and the relay module, and the processor module obtains
The current value that takes the current detection module to detect simultaneously judges whether the electronic equipment operation is abnormal according to current value, if different
Often, then power-off restoration signal is issued to the relay module, makes the electronic equipment power-off restoration.
Preferably, wherein the power-out reset system applied to electronic equipment, the processor module obtain institute
It states the current value that current detection module detects and judges whether the electronic equipment operation is abnormal according to current value, it is specific to wrap
It includes:
If the current value that the current detection module detects is greater than the maximum current threshold value of the electronic equipment, Huo Zhe little
In the minimum current threshold value of the electronic equipment, it is determined that the electronic equipment overload or underload are in abnormality, Xiang Suoshu
Relay module issues power-off signal, to carry out power-off protection to the electronic equipment；Or
If the current detection module is in cycle time T1The current value fluctuation range inside detected is less than preset electric current
Threshold fluctuations range, it is determined that the electronic equipment is abnormal, and Xiang Suoshu relay module issues power-off restoration signal, with right
The electronic equipment carries out power-off restoration.
Preferably, wherein the power-out reset system applied to electronic equipment, further includes voltage detection module,
It is connected with the power supply and the processor module, for detecting power supply of the power supply to the electronic equipment
Voltage, wherein the processor module obtains the voltage value that the voltage detection module detects and judges institute according to voltage value
It states whether electronic equipment is operating abnormally, if being abnormal, power-off signal is issued to the relay module, to described
Electronic equipment carries out power-off protection.
Preferably, wherein the power-out reset system applied to electronic equipment, the processor module obtain institute
It states the voltage value that voltage detection module detects and judges whether the electronic equipment is operating abnormally according to voltage value, specifically
Include:
If the voltage value that the voltage detection module detects is greater than the ceiling voltage threshold value of the electronic equipment, Huo Zhe little
In the minimum voltage threshold value of the electronic equipment, it is determined that the electronic equipment overload or underload are in abnormality, Xiang Suoshu
Relay module issues power-off signal, to carry out power-off protection to the electronic equipment.
Preferably, wherein the power-out reset system applied to electronic equipment, further includes watchdog module,
It is connected with the processor module, the watchdog module is every a period of time T3The processor module is received to send
Feeding-dog signal, wherein if the watchdog module pass through period of time T3Do not receive feeding-dog signal afterwards, it is determined that described
Processor module is abnormal, and the watchdog module sends reset signal, the processor module to the processor module
Reset after reception reset signal and restart.
Preferably, wherein the power-out reset system applied to electronic equipment, further includes storage module, with
The processor module is connected, the maximum current threshold value, the minimum current threshold value, current threshold fluctuation range, highest electricity
Press threshold value, minimum voltage threshold value and cycle time T1It is stored in the storage module, wherein also deposit in the storage module
It contains: cycle time T2, every cycle time T2, the processor module to the relay module send power-off restoration signal,
The electronic equipment is set to carry out power-off restoration；Delay time m is supplied after delay time m again after the electronic equipment power-off
Electricity completes power-off restoration.
Preferably, wherein the power-out reset system applied to electronic equipment, further includes clock module, with
The processor module is connected, and is used for timing；Power module, one end are connected with the power supply, the other end and the place
It manages device module to be connected, for powering to the processor module.
Preferably, wherein the power-out reset system applied to electronic equipment, further includes remote control table,
It connect with on-scene communication equipment telecommunication, and the on-scene communication equipment is connected by com port with the processor module, if
The electronic equipment is communicated with the remote control table and is abnormal, then the remote control table passes through the on-scene communication
Equipment sends power-off restoration signal to the processor module, the processor module receive after power-off restoration signal to it is described after
Electrical appliance module sends power-off restoration signal.
Preferably, wherein the power-out reset system applied to electronic equipment, further includes:
Multi-channel analog input port AI, for connecting external current detection module；
Delivery outlet DO is extended, is used to connect external relay module, external relay module and external electric current
Detection module is connected with external electronic equipment, is controlled with external electronic equipments.
Preferably, wherein the power-out reset system applied to electronic equipment, further includes logging modle, with
The processor module is connected, and failure logging and a variety of logouts is used for, in order to customer analysis failure cause.
The present invention is include at least the following beneficial effects: since the system is provided with current detection module, can uninterruptedly be examined
The power supply is surveyed to the supply current of electronic equipment, can easily judge whether electronic equipment is in by current value
Abnormality；The relay module of setting, input terminal are connected with the current detection module, output end and electronic equipment phase
Even, being turned on or off for the power electronic equipment can be controlled；The processor module of setting can obtain the current detecting
Current value that module detects simultaneously judges whether the electronic equipment operation abnormal according to current value, if abnormal, to it is described after
Electrical appliance module issues power-off restoration signal, makes the electronic equipment power-off restoration.Therefore, as long as the supply current of electronic equipment goes out
It is now abnormal, it will be forced to carry out power-off restarting.And the system is sealed between power supply and electronic equipment, as much as possible
Under the premise of not changing original electronic device works mode, to be substantially improved and improve the functional reliability of electronic equipment.
Further advantage, target and feature of the invention will be partially reflected by the following instructions, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Detailed description of the invention
Fig. 1 is the flow diagram for being applied to the power-out reset system of electronic equipment in one embodiment of the present of invention.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings, to enable those skilled in the art referring to specification text
Word can be implemented accordingly.
Fig. 1 shows a kind of way of realization according to the present invention, shows the power-out reset system applied to electronic equipment,
Include: current detection module, is connected with power supply for detecting the power supply to the supply current of electronic equipment；After
Electrical appliance module, input terminal are connected with the current detection module, and output end is connected with electronic equipment, for controlling the electronics
Equipment power supply is turned on or off；Processor module is connected with the current detection module and the relay module, described
Processor module obtains the current value that the current detection module detects and judges that the electronic equipment is run according to current value
It is whether abnormal, if abnormal, power-off restoration signal is issued to the relay module, makes the electronic equipment power-off restoration.
Since the system is provided with current detection module, confession of the power supply to electronic equipment can be uninterruptedly detected
Electric current can easily judge whether electronic equipment is in abnormality by current value；The relay module of setting,
Input terminal is connected with the current detection module, and output end is connected with electronic equipment, can control the power electronic equipment
It is turned on or off；The processor module of setting can obtain the current value that the current detection module detects and according to electric current
Value judges whether the electronic equipment operation is abnormal, if abnormal, issue power-off restoration signal to the relay module, makes institute
State electronic equipment power-off restoration.Therefore, as long as exception occurs in the current value of electronic equipment, will be forced to carry out power-off restarting.
In a wherein specific embodiment, the power-out reset system applied to electronic equipment, the processor
Module obtains the current value that the current detection module detects and judges whether the electronic equipment operation is different according to current value
Often, two kinds of situations are specifically included:
The first situation: if the current value that the current detection module detects is greater than the maximum current of the electronic equipment
Threshold value, or the minimum current threshold value less than the electronic equipment, it is determined that the electronic equipment overload or underload, in abnormal
State, Xiang Suoshu relay module issue power-off signal, to carry out power-off protection to the electronic equipment.Therefore, processor die
Block can judge whether electronic equipment overloads or underload according to the supply current of electronic equipment, once occur overloading or underload, just
Power-off protection can be carried out to electronic equipment, avoid field device caused by the reasons such as equipment fault, short circuit and burn and fire
Etc. accidents occur.
Second situation: if the current detection module is in cycle time T1The current value fluctuation range inside detected is less than
Preset current threshold fluctuation range, it is determined that the electronic equipment is abnormal, and it is multiple that Xiang Suoshu relay module issues power-off
Position signal, to carry out power-off restoration to the electronic equipment.In normal work due to electronic equipment, because executing transmitting-receiving always
The operations such as data, start and stop operation, so electric current will appear certain fluctuation, and operation often all after equipment crash is all by
Only, electric current just will become a fixed value of intermediate state, in some cases accordingly can be to some crash for being difficult to judge
State is judged.Power-off restoration movement can be started extremely in case of power supply situation, avoiding equipment from entering can not be extensive
Multiple endless loop.
In a wherein specific embodiment, the power-out reset system applied to electronic equipment, further includes voltage
Detection module is connected with the power supply and the processor module, for detecting the power supply to the electronics
The supply voltage of equipment, wherein the processor module obtains the voltage value that the voltage detection module detects and according to electricity
Pressure value judges whether the electronic equipment is operating abnormally, if being abnormal, issues power-off letter to the relay module
Number, to carry out power-off protection to the electronic equipment.The setting of voltage detection module can be easily according to the confession of electronic equipment
Piezoelectric voltage judges whether electronic equipment is in abnormal.
In a wherein specific embodiment, the power-out reset system applied to electronic equipment, the processor
Module obtains the voltage value that the voltage detection module detects and judges whether the electronic equipment is transported according to voltage value
Row is abnormal, specifically includes: if the voltage value that the voltage detection module detects is greater than the ceiling voltage threshold of the electronic equipment
Value, or less than the minimum voltage threshold value of the electronic equipment, it is determined that the electronic equipment overload or underload, in abnormal shape
State, Xiang Suoshu relay module issue power-off signal, to carry out power-off protection to the electronic equipment.So set, being capable of root
According to the over-voltage of electronic equipment or under-voltage, to determine whether electronic equipment overloads or underload, if overload or underload, carry out power-off guarantor
Shield, protects electronic equipment not to be damaged.
When being in longtime running due to the power-out reset system, it also will appear exception, it, will not if exception occurs in the system
Electronic equipment can be monitored well, in order to preferably make the system worked well, a specific embodiment party wherein
In formula, the power-out reset system applied to electronic equipment, further includes watchdog module, with the processor module phase
Even, the watchdog module is every a period of time T3Receive the feeding-dog signal that the processor module is sent, wherein if
The watchdog module is passing through period of time T3Do not receive feeding-dog signal afterwards, it is determined that the processor module occurs different
Often, the watchdog module sends reset signal to the processor module, and the processor module receives power-off restoration signal
After carry out reset restart.
In a wherein specific embodiment, the power-out reset system applied to electronic equipment further includes storage
Module is connected with the processor module, and the maximum current threshold value, the minimum current threshold value, current threshold fluctuate model
It encloses, ceiling voltage threshold value, minimum voltage threshold value and cycle time T1It is stored in the storage module, wherein in the storage
It is also stored in module: cycle time T2, every cycle time T2, the processor module sends disconnected to the relay module
Reset signal makes the electronic equipment carry out power-off restoration；Delay time m, after the electronic equipment power-off, when by delay
Between power-off restoration is completed in power supply again after m.
Due to being provided with cycle time T2, that is to say, that every a cycle time T2, regardless of whether electronic equipment is in different
Normal state all can carry out power-off restarting to it, be further ensured that electronic equipment can work normally.For cycle time T1, T2,
The present embodiment is not specifically limited, and be can according to need and is configured, such as cycle time T2It can be set as 24 hours.For institute
Maximum current threshold value, the minimum current threshold value, current threshold fluctuation range, ceiling voltage threshold value, minimum voltage threshold value are stated, this
It to be specifically configured according to the operating parameter of electronic equipment, different electronic equipments, operating parameter will be different certainly,
Therefore, the present embodiment does not do specific restriction.
In a wherein specific embodiment, the power-out reset system applied to electronic equipment, further includes clock
Module is connected with the processor module, is used for timing；Power module, one end are connected with the power supply, the other end
It is connected with the processor module, for powering to the processor module.The setting of clock module can be counted easily
When, so that the system is worked within the set time.Since electronic equipment power source cannot power directly to processor module, need to lead to
It powers again to processor module after crossing power module conversion.Therefore, it can be timed according to the clock module preset time disconnected
Reset.
In a wherein specific embodiment, the power-out reset system applied to electronic equipment further includes long-range
Control platform is connect with on-scene communication equipment telecommunication, and the on-scene communication equipment passes through com port and the processor die
Block is connected, and is abnormal if the electronic equipment is communicated with the remote control table, the remote control table passes through institute
It states on-scene communication equipment and sends power-off restoration signal to the processor module, the processor module receives power-off restoration signal
Power-off restoration signal is sent to the relay module afterwards.On-scene communication equipment can be by local reality by local communication interface
When analysis and assistant analysis result be sent to remote control table, receive teleinstruction and realize that remote reset acts, realize
Unattended safe and stable operation.
In a wherein specific embodiment, the power-out reset system applied to electronic equipment, further includes: multichannel
Simulation input mouth AI, for connecting external current detection module；Delivery outlet DO is extended, is used to connect external relay mould
Block, external relay module is connected with the electronic equipment of external current detection module and outside, with external electronic equipments
It is controlled.Due to being provided with a variety of input/output interfaces, external input can connect to assist prejudging, it can be by external defeated
Out with in-situ FTIR spectroelectrochemitry Single Electron equipment or multiple electronic equipments.Therefore has the function of powerful external auxiliary anticipation.Such as attached drawing 1
It is shown, in specific setting, multi-path digital input port DI can also be set, the heart of electronic equipment can be monitored by DI input
Signal is jumped, recovery action is carried out when state is abnormal；The some simulation output ports of external equipment, discovering device are monitored by AI
Power supply load carries out homing action when abnormal.
In a wherein specific embodiment, the power-out reset system applied to electronic equipment further includes record
Module is connected with the processor module, is used for failure logging and a variety of logouts, in order to which customer analysis failure is former
Cause.Customer analysis failure cause is convenient in the setting of logging modle, so as to Curve guide impeller, improves product quality.
Therefore, which has powerful comprehensive monitoring preset functions, either internal basic anticipation, intelligence anticipation
Or external auxiliary anticipation, external more equipment linkages reset, long-range and local control can be configured.
As described above, there are this system the basic defencive function of electric currents, the voltages such as over-voltage, under-voltage such as overcurrent, undercurrent to protect substantially
Protective function, external simulation input conditional extensions reset function, external numeral input conditional extensions reset function, current fluctuation different from
Usual intelligent reset function, power-off restoration delay, the period can preset function, reset mode diversification is configurable, and support program is pre-
If period timing reset function, supports communication port locally, remotely reset function, supports the record and query function of the reset log,
It supports real-time online data collection and analysis function, external extension enhancing is supported to reset output function and internal clocking value is supported to read
It takes, setting function, it should be understood that, each function can configure use or not use, and not need to own
Function all has, and can carry out concrete configuration according to the actual situation.Have the advantages that solving long-term running electronics sets
It is standby, by certain from extraneous interference, cause the processor program in electronic equipment run fly and enter endless loop and cannot be extensive
Multiple problem；It solves long-term running electronic equipment, since equipment itself is there are some inherent shortcomings, causes in electronic equipment
Processor program run fly and enter endless loop and the problem of cannot restore；Solves long-term running electronic equipment, due to place
It manages device program fleet and enters endless loop, cannot make by the instruction technique of existing equipment itself, software trap technology out of control
Program gets rid of the predicament of endless loop, processor fall into dead state and controllable working condition will not be automatically restored to and cannot
The problem of recovery；It solves long-term running electronic equipment, flies since processor program is run into endless loop, operator does not exist
Live hand-reset cannot be restored to the problem of controllable working condition.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With.It can be applied to various suitable the field of the invention completely.It for those skilled in the art, can be easily
Realize other modification.Therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and legend shown and described herein.
Claims (10)
1. a kind of power-out reset system applied to electronic equipment characterized by comprising
Current detection module is connected for detecting the power supply to the supply current of electronic equipment with power supply；
Relay module, input terminal are connected with the current detection module, and output end is connected with electronic equipment, for controlling
State being turned on or off for power electronic equipment；
Processor module is connected with the current detection module and the relay module, and the processor module obtains institute
It states the current value that current detection module detects and judges whether the electronic equipment operation is abnormal according to current value, if abnormal,
Power-off restoration signal then is issued to the relay module, makes the electronic equipment power-off restoration.
2. being applied to the power-out reset system of electronic equipment as described in claim 1, which is characterized in that the processor module
It obtains the current value that the current detection module detects and judges whether the electronic equipment operation is abnormal according to current value, tool
Body includes:
If the current value that the current detection module detects is greater than the maximum current threshold value of the electronic equipment, or is less than institute
State the minimum current threshold value of electronic equipment, it is determined that the electronic equipment overload or underload are in abnormality, Xiang Suoshu relay
Device module issues power-off signal, to carry out power-off protection to the electronic equipment；Or
If the current detection module is in cycle time T1The current value fluctuation range inside detected is less than preset current threshold wave
Dynamic range, it is determined that the electronic equipment is abnormal, and Xiang Suoshu relay module issues power-off restoration signal, to the electricity
Sub- equipment carries out power-off restoration.
3. being applied to the power-out reset system of electronic equipment as claimed in claim 2, which is characterized in that further include voltage detecting
Module is connected with the power supply and the processor module, for detecting the power supply to the electronic equipment
Supply voltage, wherein the processor module obtains the voltage value that the voltage detection module detects and according to voltage value
Judge whether the electronic equipment is operating abnormally, if being abnormal, issues power-off signal to the relay module, with
Power-off protection is carried out to the electronic equipment.
4. being applied to the power-out reset system of electronic equipment as claimed in claim 3, which is characterized in that the processor module
It obtains the voltage value that the voltage detection module detects and to judge whether the electronic equipment runs according to voltage value different
Often, it specifically includes:
If the voltage value that the voltage detection module detects is greater than the ceiling voltage threshold value of the electronic equipment, or is less than institute
State the minimum voltage threshold value of electronic equipment, it is determined that the electronic equipment overload or underload are in abnormality, Xiang Suoshu relay
Device module issues power-off signal, to carry out power-off protection to the electronic equipment.
5. being applied to the power-out reset system of electronic equipment as described in claim 1, which is characterized in that further include house dog mould
Block is connected with the processor module, and the watchdog module is every a period of time T3Receive the processor die
The feeding-dog signal that block is sent, wherein if the watchdog module is passing through period of time T3Do not receive feeding-dog signal afterwards, then really
The fixed processor module is abnormal, and the watchdog module sends reset signal, the processing to the processor module
Reset after device module reception reset signal and restart.
6. being applied to the power-out reset system of electronic equipment as described in claim 4 or 5, which is characterized in that further include storage
Module is connected with the processor module, and the maximum current threshold value, the minimum current threshold value, current threshold fluctuate model
It encloses, ceiling voltage threshold value, minimum voltage threshold value and cycle time T1It is stored in the storage module, wherein in the storage
It is also stored in module: cycle time T2, every cycle time T2, the processor module sends disconnected to the relay module
Reset signal makes the electronic equipment carry out power-off restoration；Delay time m, after the electronic equipment power-off, when by delay
Between power-off restoration is completed in power supply again after m.
7. being applied to the power-out reset system of electronic equipment as claimed in claim 6, which is characterized in that further include clock mould
Block is connected with the processor module, is used for timing；Power module, one end are connected with the power supply, the other end with
The processor module is connected, for powering to the processor module.
8. being applied to the power-out reset system of electronic equipment as described in claim 1, which is characterized in that further include remotely controlling
Platform is connect with on-scene communication equipment telecommunication, and the on-scene communication equipment passes through com port and the processor module phase
Even, it is abnormal if the electronic equipment is communicated with the remote control table, the remote control table passes through described existing
Field communication equipment sends power-off restoration signal to the processor module, and it is backward that the processor module receives power-off restoration signal
The relay module sends power-off restoration signal.
9. being applied to the power-out reset system of electronic equipment as described in claim 1, which is characterized in that further include:
Multi-channel analog input port AI, for connecting external current detection module；
Delivery outlet DO is extended, is used to connect external relay module, external relay module and external current detecting
Module is connected with external electronic equipment, is controlled with external electronic equipments.
10. being applied to the power-out reset system of electronic equipment as described in claim 1, which is characterized in that further include record mould
Block is connected with the processor module, failure logging and a variety of logouts is used for, in order to customer analysis failure cause.
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| CN201910522669.XA CN110165632A (en) | 2019-06-17 | 2019-06-17 | Power-out reset system applied to electronic equipment |
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| CN201910522669.XA CN110165632A (en) | 2019-06-17 | 2019-06-17 | Power-out reset system applied to electronic equipment |
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| CN113359517A (en) * | 2021-04-28 | 2021-09-07 | 青岛海尔科技有限公司 | Method and device for recovering power failure of equipment operation, storage medium and electronic equipment |
| CN113686454A (en) * | 2021-08-06 | 2021-11-23 | 深圳供电局有限公司 | Self-powered monitoring system for wiring pile head of transformer |
| CN113702746A (en) * | 2021-09-03 | 2021-11-26 | 广东鑫钻节能科技股份有限公司 | Safe energy-saving power utilization system based on air compression station |
| CN114545064A (en) * | 2022-02-23 | 2022-05-27 | 浙江诺诺网络科技有限公司 | Equipment fault monitoring method, device and system |
| CN115371202A (en) * | 2022-08-29 | 2022-11-22 | 四川虹美智能科技有限公司 | Intelligent air conditioner abnormal power-off resetting device and method thereof |
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Application publication date: 20190823 |