CN104111716A - Power off system and method of computer - Google Patents
Power off system and method of computer Download PDFInfo
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- CN104111716A CN104111716A CN201310136217.0A CN201310136217A CN104111716A CN 104111716 A CN104111716 A CN 104111716A CN 201310136217 A CN201310136217 A CN 201310136217A CN 104111716 A CN104111716 A CN 104111716A
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Abstract
The invention provides a power off system of a computer. The system comprises a microcontroller, an auxiliary power supply and a central processor. The microcontroller is used for detecting whether external power supply is abnormal or not and controlling the auxiliary power supply to supply power when the external power supply is abnormal. The auxiliary power supply is used for supplying power for the microcontroller and the central processor when the external power supply is abnormal. The microcontroller is further used for judging whether a manual power off command is received in first time, if so, a power off command is transmitted to the central processor to turn off the auxiliary power supply, and or else, delay power off is performed. The central processor is used for saving data and turning of an operating system after receiving the power off command. By the system, stability can be increased, and equipment service life can be prolonged. In addition, the invention further provides a power off method of the computer.
Description
Technical field
The present invention relates to computer technology, particularly relate to shutdown system and the method for computing machine.
Background technology
General industrial computer (except notebook) is mostly only with an externally fed, if externally fed produces abnormal, such as powered-off fault or the unstable situations such as instant cut-off that cause of power supply, can cause whole computer system to abend because of power down, can produce injurious effects to equipment or system like this.In addition, be much applied to industrial computing machine, majority is all on-the-spot unattended, can move client's software on computing machine.In conventional art, when external power source occurs that when abnormal, computer system can be closed extremely, thereby the information such as data while causing system operation will lose, and then cause the unreliable and unstable of system.And repeatedly power down also can cause the damage of the equipment such as hard disk, reduced the serviceable life of equipment.
Summary of the invention
Based on this, while being necessary to provide a kind of externally power cut-off, can carry out data protection and can not damage shutdown system and the method for the computing machine of equipment.
A shutdown system for computing machine, described system comprises:
Microcontroller, whether abnormal for detecting externally fed, when detecting externally fed when abnormal, control accessory power supply power supply;
Accessory power supply, during for abnormal electrical power supply externally, for microcontroller and central processing unit provide power supply;
Described microcontroller also, for judging in the very first time whether have artificial shutdown command, if so, sends shutdown command to central processing unit, then closes described accessory power supply, otherwise, delay switching-off;
Described system also comprises central processing unit, for receiving save data shutoff operation system after shutdown command.
In an embodiment, if described microcontroller is not also for there is no artificial shutdown command in the very first time, judge whether externally fed recovers, and if so, control operation system is normally worked therein, otherwise continue time delay.
Therein in an embodiment, if described microcontroller does not also recover for externally fed, judgement continue time delay whether time delay the second time, if so, control soft-off, otherwise control accessory power supply, continue power supply.
Therein in an embodiment, if described microcontroller does not also recover for externally fed, judgement continue time delay whether time delay the second time, if so, judge in the 3rd time, whether externally fed recovers, if, control soft-off, then to central processing unit, send wake command, if the inside and outside power supply of the 3rd time does not recover, continue time delay;
Described central processing unit is also for receiving wake operation system after wake command.
In an embodiment, described microprocessor controls soft-off is specially therein: described microcontroller is for sending soft-off order to central processing unit; Described central processing unit is used for receiving save data shutoff operation system after soft-off order, and operating system sends off signal to microcontroller after closing;
Described microcontroller is also for when the 3rd time, inside and outside power supply does not recover, continue the 4th time of time delay, and judge whether microcontroller receives the off signal that central processing unit is sent, if, close accessory power supply, otherwise forced shutdown close accessory power supply.
A closedown method for computing machine, described method comprises:
Whether microcontroller detecting externally fed is abnormal;
Microcontroller, when detecting externally fed when abnormal, is controlled accessory power supply power supply;
Microcontroller judges in the very first time, whether there is artificial shutdown command, if so, to central processing unit, send shutdown command, described central processing unit receives save data shutoff operation system after shutdown command, then microprocessor controls is closed accessory power supply, otherwise delay switching-off.
In an embodiment, described delay switching-off, comprising therein:
If there is no artificial shutdown command in the very first time, microcontroller judges whether externally fed recovers, and if so, control operation system is normally worked, otherwise continues time delay.
In an embodiment, described delay switching-off, also comprises therein:
If externally fed does not recover, microcontroller judgement continue time delay whether time delay the second time, if so, control soft-off, otherwise be back to the step of controlling accessory power supply power supply.
In an embodiment, described delay switching-off, also comprises therein:
If externally fed does not recover, microcontroller judgement continue time delay whether time delay the second time, if judge in the 3rd time, whether externally fed recovers, if so, control soft-off, then waken system, if the inside and outside power supply of the 3rd time does not recover, continue time delay.
In an embodiment, described control soft-off, comprising therein:
Microcontroller sends soft-off order to central processing unit;
Central processing unit receives save data shutoff operation system after soft-off order, and operating system sends off signal to microcontroller after closing;
Described delay switching-off, also comprises:
When the inside and outside power supply of the 3rd time does not recover, microcontroller continues the 4th time of time delay, and judges whether microcontroller receives the off signal that central processing unit is sent, and if so, closes accessory power supply, otherwise forced shutdown close accessory power supply.
The shutdown system of above-mentioned computing machine and method; with respect to prior art; externally during abnormal electrical power supply; by microprocessor controls accessory power supply, power, owing to there being accessory power supply power supply, if therefore there is no artificial shutdown command in the very first time; can delay switching-off; therefore externally can carry out data protection during power cut-off, and can not be damaged to equipment, thereby improve the serviceable life of reliability, stability and the equipment of computer system.
Accompanying drawing explanation
Fig. 1 is the structural representation of the shutdown system of a computing machine in embodiment;
Fig. 2 is the application scenarios figure of the shutdown system of an embodiment Computer;
Fig. 3 is the schematic flow sheet of the closedown method of a computing machine in embodiment;
Fig. 4 is the schematic flow sheet of the closedown method of the computing machine in another embodiment.
Embodiment
As shown in Figure 1, in one embodiment, the shutdown system of computing machine, comprises microcontroller 10, accessory power supply 20 and central processing unit 30, wherein:
Whether microcontroller 10 is abnormal for detecting externally fed, when detecting externally fed when abnormal, controls accessory power supply 20 power supplies.
Microcontroller 10 in the present invention, can be MCU(Micro Control Unit, micro-control unit), EC(Electrical Compass, electronic compass), CPLD(Complex Programmable Logic Device, CPLD), FPGA(Field Programmable Gate Array, field programmable gate array) etc. at least one.
Microcontroller 10, for obtaining externally fed information, for example, when external power source abnormal (power down or unstable) being detected, is controlled accessory power supply 20 power supplies, so that computing machine still can work on.
Accessory power supply 20 is during for abnormal electrical power supply externally, for microcontroller 10 and central processing unit 30 provide power supply.
Accessory power supply 20 in the present invention can be at least one in battery, super capacitor, UPS module (Uninterruptible Power Supply, uninterrupted power source) etc.Accessory power supply 20 can connect externally fed power supply, when externally fed is normal, can charge to accessory power supply 20.
In the present embodiment, whether microcontroller 10 also has artificial shutdown command for judgement within the very first time, if so, to central processing unit 30, sends shutdown command and shuts down, and then closes accessory power supply 20, otherwise, delay switching-off.
Concrete, microcontroller 10, detecting externally fed when abnormal, is controlled accessory power supply 20 power supplies, and the time delay very first time (T1), and within the very first time, whether prompting needs to carry out normal shutdown operation, and user can manually carry out power-off operation within the very first time.Microcontroller 10 cuts out accessory power supply 20 after shutdown.
Central processing unit 30 is for receiving shutdown command, save data shutoff operation system.
In central processing unit 30, can move but be not limited to X86 system.In one embodiment, microcontroller 10 can directly connect the switching on and shutting down button of computing machine, when receiving shutdown command, directly controls computer system shutdown.In another embodiment, also can operation monitoring software (as shown in Figure 2) under computer system, the shutdown command of sending for receiving microcontroller 10, preserves the data of operation, and closes the software of operation, then shutoff operation system.
When external power source is abnormal; microcontroller 10 can be controlled accessory power supply 20 and power; do not having under artificial shutdown command; can delay switching-off; thereby externally can carry out data protection during power cut-off; and can not be damaged to equipment, thereby improve the serviceable life of reliability, stability and the equipment of computer system.
As shown in Figure 2, take mobile unit as example, mobile unit is applied in track traffic industry as in the trains such as subway, high ferro, subway time, conventionally can be used for multimedia and video monitoring data record etc.When practical application, after train is reached terminal, may turn around to rerun or directly warehouse-in parking, at this moment, owing to stopping using external high pressure power supply, therefore can use accessory power supply 20 to power, and the time delay very first time, so that train operator is carried out manual-lock equipment, if manual-lock equipment not, then delay switching-off.
In one embodiment, if microcontroller 10 is not also for there is no artificial shutdown command in the very first time, judge whether externally fed recovers, and if so, control operation system is normally worked, otherwise continue time delay.
After the time delay very first time, if externally fed recovers, without shutting down computer again, in situation about can externally power, control computer system and continue normal work.If externally fed does not recover, then continues delay switching-off.Externally after service restoration, control system is normally worked, and can prevent the power down of external power source short time or extremely the closing of the computer system that causes when unstable, and further improves the serviceable life of reliability, stability and the equipment of computer system.
Further, in one embodiment, if microcontroller 10 does not also recover for externally fed, judge time delay whether time delay the second time (T2), control soft-off, otherwise control accessory power supply 20, continue power supply.
So-called soft-off, refers to normal shutdown, can initiatively close the software of operation before shutdown, and then shutoff operation system.After the very first time, if externally fed does not also recover, continue the second time of time delay, if also do not arrive for the second time, microcontroller 10 is controlled accessory power supply 20 continuation power supplies, and further judge in the very first time whether have artificial shutdown command, until continue time delay, arrived for the second time.If arrived for the second time, control soft-off.Concrete, microcontroller 10 can send soft-off order to central processing unit 30, and central processing unit 30 preserves the data of operation and the software of cutting out operation after receiving soft-off order, and then shutoff operation system sends off signal to microcontroller 10.Microcontroller 10 cuts out accessory power supply 20 after shutdown.
In another embodiment, if microcontroller 10 does not also recover for externally fed, judgement continue time delay whether time delay the second time, if so, judge in the 3rd time (T3), whether externally fed recovers, if recovered, control soft-off, then to central processing unit, send wake command, if the inside and outside power supply of the 3rd time of time delay does not also recover, continue delay switching-off.Central processing unit 30 is also for receiving wake operation system after wake command.
Concrete, in the present embodiment, if continue time delay, do not arrive for the second time, control accessory power supply 20 and continue power supply, and continue to judge in the very first time whether have artificial shutdown command, until continue time delay, arrived for the second time.If arrived for the second time, because operating system is carried out soft-off and is probably needed the T3 time, further judge in the 3rd time, whether externally fed recovers, if soft-off process peripheral service restoration, after soft-off, microcontroller 10 sends wake command to central processing unit 30 again, waken system, thus make computer system continue normal work.By externally fed, recover waken system, make computer system can continue normal work, can further improve the serviceable life of reliability, stability and the equipment of computer system.
Further, in one embodiment, central processing unit 30 receives save data shutoff operation system after soft-off order, and operating system sends off signals to microcontroller 10 after closing.Microcontroller 10 is also for when the 3rd time, inside and outside power supply does not recover, continue the 4th time of time delay, and judge whether microcontroller 10 receives the off signal that central processing unit 30 is sent, if, close accessory power supply 20, otherwise forced shutdown close accessory power supply 20.
Whether so-called forced shutdown, refers to abnormal shutdown, and operating system is directly closed, and surprisingly stop without the software of considering moving.Because computer system after soft-off also likely can normal shutdown, therefore the 4th time of time delay (T4) again, further judge whether central processing unit 30 shuts down, if shutdown, microcontroller 10 cuts out accessory power supply 20, if not shutdown, microcontroller 10 is controlled forced shutdown again, and close accessory power supply 20, to save power supply.
As shown in Figure 3, in one embodiment, a kind of closedown method of computing machine, comprising:
Step S102, whether microcontroller detecting externally fed is abnormal.
Step S104, microcontroller, when detecting externally fed when abnormal, is controlled accessory power supply power supply.
Wherein, accessory power supply can connect externally fed power supply, when externally fed is normal, can charge to accessory power supply.
Step S106, microcontroller judges in the very first time whether have artificial shutdown command, if so, enters step S108, otherwise enters step S110.
Microcontroller is detecting externally fed when abnormal, controls accessory power supply power supply, and the time delay very first time, and within the very first time, whether prompting needs to carry out normal shutdown operation, and user can manually carry out power-off operation within the very first time.
Step S108, save data shutoff operation system, close accessory power supply.
Microcontroller has artificial shutdown command when determining within the very first time, to central processing unit, sends shutdown command, and central processing unit receives shutdown command, save data shutoff operation system, and then microprocessor controls is closed accessory power supply.
Step S110, delay switching-off.
In one embodiment, microcontroller can directly connect the switching on and shutting down button of computing machine, when receiving shutdown command, directly controls computer system shutdown.In another embodiment, also can operation monitoring software (see figure 2) under computer system, the shutdown command of sending for receiving microcontroller, preserves the data of operation, and closes the software of operation, then shutoff operation system.
In one embodiment, if there is no artificial shutdown command in the very first time, microcontroller judges whether externally fed recovers, and if so, control system is normally worked, otherwise continues time delay.After the time delay very first time, if externally fed recovers, without shutting down computer again, in situation about can externally power, control computer system and continue normal work.If externally fed does not recover, then continues delay switching-off.
Further, in one embodiment, if externally fed does not recover, microcontroller judgement continue time delay whether time delay the second time, if so, control soft-off, otherwise return to the step that S206 controls accessory power supply power supply.
Concrete, after the very first time, if externally fed does not also recover, continue the second time of time delay, if also do not arrive for the second time, control accessory power supply and continue power supply, and further judge in the very first time whether have artificial shutdown command, until continue time delay, arrived for the second time.If arrived for the second time, control soft-off.Wherein, the second time was greater than the very first time.Concrete, microcontroller can send soft-off order to central processing unit, and central processing unit preserves the data of operation and the software of cutting out operation after receiving soft-off order, and then shutoff operation system sends off signal to microcontroller.Microcontroller cuts out accessory power supply after shutdown.
In another embodiment, if externally fed does not recover, microcontroller judgement continue time delay whether time delay the second time, if judge in the 3rd time, whether externally fed recovers, if, control soft-off, waken system then, because operating system is carried out soft-off and is probably needed the T3 time, if the inside and outside power supply of the 3rd time does not recover, illustrate in soft-off process, externally fed does not recover, and continues time delay.
Further, control soft-off, comprising: microcontroller sends soft-off order to central processing unit; Central processing unit receives save data shutoff operation system after soft-off order, and operating system sends off signal to microcontroller after closing.Delay switching-off, also comprises: when the 3rd time, inside and outside power supply does not recover, and microcontroller continues the 4th time of time delay, and judge whether microcontroller receives the off signal that central processing unit is sent, if so, close accessory power supply, otherwise forced shutdown close accessory power supply.
In one embodiment, as shown in Figure 4, the closedown method of computing machine, specifically comprises:
Step S202, system is normally worked.
Step S204, judges that whether externally fed is abnormal, if so, enters step S206, otherwise returns to step S202.
Step S206, controls accessory power supply power supply.
By microcontroller, be connected with externally fed power supply, obtain the power supply information of externally fed power supply, when externally fed is abnormal, control accessory power supply power supply.In addition, accessory power supply can be connected with externally fed power supply, externally powers when normal, and externally fed power supply can charge to accessory power supply.
Step S208, judges in the very first time whether have artificial shutdown command, if so, enters step S226, closes accessory power supply, otherwise enters step S210.
Step S210, judges whether externally fed recovers, and if so, returns to step S202, otherwise enters step S212.
When microcontroller does not have artificial shutdown command within the very first time, further judge whether externally fed recovers, if recovered, system continues normal work.
Step S212, judge whether and time delay the second time, if so, enter step S214, otherwise return to step S206.
Step S214, sends order and carries out soft-off.
Microcontroller sends soft-off order to central processing unit, and central processing unit is received the software that soft-off order starts save data and closes operation, shutoff operation system then, and operating system can send off signal to microcontroller after closing.
Step S216, judges that whether the inside and outside power supply of the 3rd time recovers, and if so, enters step S218, otherwise enters step S222.
Step S218, soft-off.
Step S220, waken system, is back to step S202.
Soft-off needs the general T3 time, if at the 3rd time inside and outside service restoration, central processing unit is after receiving soft-off order final plant closure operating system, to microcontroller, send off signal, microcontroller is received after off signal, to central processing unit, send wake command again, central processing unit is received waken system after wake command, and computer system continues normal work.
Step S222, then the 4th time of time delay, judge whether microcontroller receives the off signal that central processing unit is sent, and if so, enters step S226, otherwise enter step S224.
Step S224, forced shutdown, closes accessory power supply.
If the inside and outside power supply of the 3rd time does not recover, microcontroller continues the 4th time of time delay, and after the 4th time, judge whether microcontroller receives the off signal that central processing unit is sent, if received, explanation is shut down, if do not had, illustrates that soft-off does not still make computer system normal shutdown, therefore microcontroller is controlled forced shutdown, then closes accessory power supply.
Step S226, closes accessory power supply.
If receive artificial shutdown command, or soft-off successfully makes computer system normal shutdown, finally closes accessory power supply.
The shutdown system of above-mentioned computing machine and method; externally during abnormal electrical power supply; the power supply of microprocessor controls accessory power supply; and when there is no artificial shutdown command; delay switching-off; while making external power source power-off, can carry out data protection, and can not be damaged to equipment, thereby improve the serviceable life of reliability, stability and the equipment of computer system.
By many places, judge, externally during service restoration, make computer system can recover normal work, realized intelligentized multi-layer shutdown, the serviceable life of further having improved reliability, stability and the equipment of computer system.Be specially adapted to unattended environment, can reduce human cost.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a shutdown system for computing machine, is characterized in that, described system comprises:
Microcontroller, whether abnormal for detecting externally fed, when detecting externally fed when abnormal, control accessory power supply power supply;
Accessory power supply, during for abnormal electrical power supply externally, for microcontroller and central processing unit provide power supply;
Described microcontroller also, for judging in the very first time whether have artificial shutdown command, if so, sends shutdown command to central processing unit, then closes described accessory power supply, otherwise, delay switching-off;
Described system also comprises central processing unit, for receiving save data shutoff operation system after shutdown command.
2. system according to claim 1, is characterized in that, if described microcontroller is not also for there is no artificial shutdown command in the very first time, judges whether externally fed recovers, and if so, control operation system is normally worked, otherwise continues time delay.
3. system according to claim 2, is characterized in that, if described microcontroller does not also recover for externally fed, judgement continue time delay whether time delay the second time, if so, control soft-off, otherwise control accessory power supply, continue power supply.
4. system according to claim 2, it is characterized in that, if described microcontroller does not also recover for externally fed, judgement continue time delay whether time delay the second time, if, judge in the 3rd time, whether externally fed recovers, if so, control soft-off, then to central processing unit, send wake command, if the inside and outside power supply of the 3rd time does not recover, continue time delay;
Described central processing unit is also for receiving wake operation system after wake command.
5. according to the system described in claim 3 or 4, it is characterized in that, described microprocessor controls soft-off is specially: described microcontroller is for sending soft-off order to central processing unit; Described central processing unit is used for receiving save data shutoff operation system after soft-off order, and operating system sends off signal to microcontroller after closing;
Described microcontroller is also for when the 3rd time, inside and outside power supply does not recover, continue the 4th time of time delay, and judge whether microcontroller receives the off signal that central processing unit is sent, if, close accessory power supply, otherwise forced shutdown close accessory power supply.
6. a closedown method for computing machine, described method comprises:
Whether microcontroller detecting externally fed is abnormal;
Microcontroller, when detecting externally fed when abnormal, is controlled accessory power supply power supply;
Microcontroller judges in the very first time, whether there is artificial shutdown command, if so, to central processing unit, send shutdown command, described central processing unit receives save data shutoff operation system after shutdown command, then microprocessor controls is closed accessory power supply, otherwise delay switching-off.
7. method according to claim 6, is characterized in that, described delay switching-off, comprising:
If there is no artificial shutdown command in the very first time, microcontroller judges whether externally fed recovers, and if so, control operation system is normally worked, otherwise continues time delay.
8. method according to claim 7, is characterized in that, described delay switching-off, also comprises:
If externally fed does not recover, microcontroller judgement continue time delay whether time delay the second time, if so, control soft-off, otherwise be back to the step of controlling accessory power supply power supply.
9. method according to claim 7, is characterized in that, described delay switching-off, also comprises:
If externally fed does not recover, microcontroller judgement continue time delay whether time delay the second time, if judge in the 3rd time, whether externally fed recovers, if so, control soft-off, then waken system, if the inside and outside power supply of the 3rd time does not recover, continue time delay.
10. method according to claim 8 or claim 9, is characterized in that, described control soft-off, comprising:
Microcontroller sends soft-off order to central processing unit;
Central processing unit receives save data shutoff operation system after soft-off order, and operating system sends off signal to microcontroller after closing;
Described delay switching-off, also comprises:
When the inside and outside power supply of the 3rd time does not recover, microcontroller continues the 4th time of time delay, and judges whether microcontroller receives the off signal that central processing unit is sent, and if so, closes accessory power supply, otherwise forced shutdown close accessory power supply.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310136217.0A CN104111716A (en) | 2013-04-18 | 2013-04-18 | Power off system and method of computer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310136217.0A CN104111716A (en) | 2013-04-18 | 2013-04-18 | Power off system and method of computer |
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| CN201310136217.0A Pending CN104111716A (en) | 2013-04-18 | 2013-04-18 | Power off system and method of computer |
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| CN106406484A (en) * | 2016-09-18 | 2017-02-15 | 英业达科技有限公司 | Calculator power control system |
| CN107948018A (en) * | 2017-12-11 | 2018-04-20 | 安徽智恒信科技有限公司 | A kind of method and system that can detect mains failure and realize server soft-off |
| CN109725679A (en) * | 2018-08-21 | 2019-05-07 | 珠海中电数码科技有限公司 | A kind of device and method of one key switch of liquid crystal module all-in-one machine |
| CN110531643A (en) * | 2019-08-29 | 2019-12-03 | 北京特种机械研究所 | A kind of unmanned Automatic Guided Vehicle delay cut-off control system and method |
| CN110569074A (en) * | 2019-09-09 | 2019-12-13 | 上海联影医疗科技有限公司 | Computer shutdown method, system and storage medium |
| CN110806729A (en) * | 2019-10-21 | 2020-02-18 | Oppo（重庆）智能科技有限公司 | Method and system for controlling startup, shutdown, power supply and power failure of production line |
| CN113568329A (en) * | 2020-04-28 | 2021-10-29 | 广州汽车集团股份有限公司 | Shutdown control method and system based on MCU and SOC communication |
| CN114280916A (en) * | 2021-12-27 | 2022-04-05 | 楚天科技股份有限公司 | Control method and system for soft shutdown of pharmaceutical equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106406484A (en) * | 2016-09-18 | 2017-02-15 | 英业达科技有限公司 | Calculator power control system |
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| CN109725679A (en) * | 2018-08-21 | 2019-05-07 | 珠海中电数码科技有限公司 | A kind of device and method of one key switch of liquid crystal module all-in-one machine |
| CN110531643A (en) * | 2019-08-29 | 2019-12-03 | 北京特种机械研究所 | A kind of unmanned Automatic Guided Vehicle delay cut-off control system and method |
| CN110569074A (en) * | 2019-09-09 | 2019-12-13 | 上海联影医疗科技有限公司 | Computer shutdown method, system and storage medium |
| CN110806729A (en) * | 2019-10-21 | 2020-02-18 | Oppo（重庆）智能科技有限公司 | Method and system for controlling startup, shutdown, power supply and power failure of production line |
| CN110806729B (en) * | 2019-10-21 | 2022-02-15 | Oppo（重庆）智能科技有限公司 | Method and system for controlling startup, shutdown, power supply and power failure of production line |
| CN113568329A (en) * | 2020-04-28 | 2021-10-29 | 广州汽车集团股份有限公司 | Shutdown control method and system based on MCU and SOC communication |
| CN113568329B (en) * | 2020-04-28 | 2023-10-24 | 广州汽车集团股份有限公司 | Shutdown control method and system based on MCU and SOC communication |
| CN114280916A (en) * | 2021-12-27 | 2022-04-05 | 楚天科技股份有限公司 | Control method and system for soft shutdown of pharmaceutical equipment |
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Application publication date: 20141022 |
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| RJ01 | Rejection of invention patent application after publication |