CN101201687A - Power-off protection microcomputer cluster auto-shutdown system - Google Patents
Power-off protection microcomputer cluster auto-shutdown system Download PDFInfo
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- CN101201687A CN101201687A CNA2007101129503A CN200710112950A CN101201687A CN 101201687 A CN101201687 A CN 101201687A CN A2007101129503 A CNA2007101129503 A CN A2007101129503A CN 200710112950 A CN200710112950 A CN 200710112950A CN 101201687 A CN101201687 A CN 101201687A
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Abstract
The invention designes a computer applied technology, in particular to an outage protection microcomputer cluster auto turnoff system, which consists of an air conditioner, an air conditioning power supply monitor, a control host and a microcomputer cluster, wherein, a power detection port of the air conditioning power supply monitor is connected with the power arranged on the air conditioner and incessantly detects the power supply voltage of the air conditioner; voltage data is connected to a COM port that controls a host through a data line interface and a data line, a network card controlling the host is connected with a switch of the microcomputer cluster through a network cable and transfers a parallel outage shutdown control order. The system can closes the nodes of the microcomputer cluster in batches according to requirement, and through optimized processing, the problem is not generated that instant current is overlarge due to shutdown on the premise that the shutdown speed is increased times, thus guaranteeing to close the microcomputer cluster safely and fast.
Description
Technical field
The present invention relates to the automatic management and the protection field of microcomputer cluster, is a kind of power-off protection microcomputer cluster auto-shutdown system.
Background technology
Society is in continuous development, in order to solve the contradiction of research and production demand and existing science computing power deficiency, the microcomputer cluster that computing power is powerful has been applied to every field, and taking on more and more important role, how to allow the stable operation of expensive microcomputer cluster maximum duration, avoid meaningless damage, guarantee that maximum returns of investment become the problem of more and more being paid close attention to.Microcomputer cluster be a cover to temperature the very responsive and very large system of thermal value, the temperature of will soon offering a high price after refrigeration air-conditioner is out of service is alert, because loosing not go out, heat caused the too high and machine of delaying of local temperature with regard to having node in tens minutes, though some microcomputer cluster carries shutdown software, but owing to be serial shutdown, the closing an of node of a node, speed is slow, when shutting down with it, will some node at the overheated and machine of delaying of normal shutdown cause.Because overheated or outage causes machine to break down, hardware damage to microcomputer cluster is very serious, the serviceable life of machine will be shortened greatly, the rate of breakdown of machine also will rise significantly, illegal simultaneously shutdown also can cause damage to the system and the software of machine, and these machines may can't start after powering up again or the software section disappearance, thereby can't normally move, affect research and production adversely, cause extra loss.Therefore, need faster, more efficient, the safer auto shutdown system of a cover to solve this problem.
Summary of the invention
The objective of the invention is problem at existing existence; electronic technology and computer technology are organically combined; a kind of quick, efficient, safe power-off protection auto shutdown system is provided; apply on the microcomputer cluster; realize the microcomputer cluster outage fast automatic shutdown in back; reduce the failure rate of microcomputer cluster, ensure the normal operation that powers up the back microcomputer cluster again.
System of the present invention is made up of air conditioner, air-conditioning power supply monitor and main control system, and the electric power detecting mouth of air-conditioning power supply monitor is connected the supply voltage of continual detecting air conditioner with the voltage sensor on being arranged on the air conditioner power supply; Voltage data is connected to by data line interface and data line on the com port of main control system, and the network interface card of main control system links to each other with the switch of microcomputer cluster by netting twine and transmits parallel outage shutdown control command.
Power-off protection microcomputer cluster auto-shutdown system electric power detecting mouth is constantly detected the air-conditioning power supply; Data line interface is connected to by data line on the com port of a microcomputer, sends signal to microcomputer; The network interface card of microcomputer links to each other with the switch of microcomputer cluster by netting twine, sends order by network to microcomputer cluster.The microcomputer that links to each other with power-off protection microcomputer cluster auto-shutdown system is loaded onto the corresponding parallel processing software of microcomputer cluster, can send parallel command to microcomputer cluster by network, carries out parallel shutdown.
System of the present invention has following four characteristics:
1, stability and high efficiency: microcomputer cluster made have a power failure to handle accurately and timely under the situation that does not take any resource of microcomputer cluster, avoid the meaningless damage of microcomputer cluster, guarantee normal shutdown, power up and restart.
2, the full-automatic processing saved human resources, improved work efficiency.
3, guarantee security.Can carry out artificial operation in the automatic shutdown command of power-off protection microcomputer cluster auto-shutdown system.Such as interrupting shutdown and reenter the detecting state by twice " ESC " key continuously, avoided planned outage or the outage of error property to produce unnecessary consequence.
4, shutdown fast: the automatic shutdown programm that power-off protection microcomputer cluster auto-shutdown system carries is parallel shutdown programm; can be as required in batch the node of closing microcomputer cluster; and by optimization process; increasing exponentially under the prerequisite of closing motor speed; can't produce because the excessive problem of shutdown momentary current is guaranteed the microcomputer cluster of closing safely and fast.
Description of drawings
Fig. 1 is a power-off protection microcomputer cluster auto-shutdown system integral device structural representation;
Fig. 2 is air-conditioning power supply monitor circuit theory diagrams;
Fig. 3 is the power-off protection microcomputer cluster auto-shutdown system workflow diagram;
Fig. 4 is the power-off protection microcomputer cluster auto-shutdown system running software process flow diagram that shuts down automatically.
Embodiment
System of the present invention is made up of air conditioner 1, air-conditioning power supply monitor 2, main control system 3 and microcomputer cluster 4, the electric power detecting mouth of air-conditioning power supply monitor 2 be arranged on the supply voltage that air conditioner 1 power supply is connected continual detecting air conditioner 1; Voltage data is connected to by data line interface and data line on the com port of main control system 3, and the network interface card of main control system 3 links to each other with the switch of microcomputer cluster 4 by netting twine and transmits parallel outage shutdown control command.
The air-conditioning power supply monitor is made up of single-chip microcomputer IC1, communication chip IC2, photoelectronic coupler IC3, three terminal regulator IC4, data line interface JC, transformer B, rectifier Q, resistance R 1, R2 capacitor C 1-C9 and crystal oscillator JT, the elementary winding of transformer B connects air conditioner 220V power supply, secondary winding meets rectifier Q, the positive pole output of rectifier Q connects 3 pin of three terminal regulator IC4,1 pin of IC4 meets power supply VCC, the 2 pin ground connection of IC4; 1 pin of photoelectrical coupler IC3 meets power supply VCC, 2 pin crosstalks resistance R2 ground connection, and 3 pin crosstalks resistance R1 connects the positive pole output of rectifier Q, 4 pin ground connection; 10 pin of single-chip microcomputer IC1 meet power supply VCC, 11 pin ground connection, and 12,135 pin serial connection capacitor C 3, C4 meet crystal oscillator JT, and 14,15 pin are connected 10,9 pin of news chip IC 2 respectively, and 16 pin connect 2 pin of photoelectrical coupler IC3; 16 pin of communication chip IC2 meet power supply VCC, 15 pin ground connection, and 1,3 pin also connect capacitor C 7,4,5 pin and connect capacitor C 8,6 pin serial connections capacitor C 9 ground connection, 2 pin serial connection capacitor C 6 meets power supply VCC, capacitor C 5 also connects 16,15 pin, and 7,8 pin connect 2,3 pin of data line interface respectively; 7,8 pin of data line interface JC also connect, 5 pin ground connection, and 1,4,6 pin also connect; Between light emitting diode D and resistance R 3 serial connection power supply VCC and the ground wire.
Principle of work:
The secondary winding output of transformer B is exported the 5V DC voltage through rectifier Q rectification, and one the tunnel provides for single-chip microcomputer and communication chip through circuit of three-terminal voltage-stabilizing integrated stablizes the 5v voltage that continues, guarantee the circuit operate as normal; Crystal oscillator (JT) starting of oscillation then, single chip computer AT MEGA16L (IC1) starts working.Lumination of light emitting diode, the indication circuit plate is started working.IC3 is a photoelectrical coupler, power supply and singlechip interruption signal are altogether, level comes out to connect 8 pin of single-chip microcomputer ATMEGA16L from 2 pins of photoelectrical coupler, after single-chip microcomputer is received level, produce the off signal of " POWEROFF " by name, 6 and 7 pin of single chip computer AT MEGA16L come out, 3 and 4 pin by MAX232 communication chip IC2 enter the MAX232 communication chip, the MAX232 communication chip changes into the signal that computing machine can be discerned with this signal, and the data line interface by microcomputer cluster auto-shutdown system sends in the com port of microcomputer.
Embodiment:
With reference to the accompanying drawings system of the present invention is carried out the narration of detail below.
The data line interface and the com port of having adorned the concurrent program microcomputer that connect the air-conditioning power supply monitor with data line; the power supply of connecting self power interface then is the power supply of entire circuit plate; the crystal oscillator starting of oscillation; ATMEGA16L type single-chip microcomputer is started working; light emitting diode will brighten; prompting power-off protection microcomputer cluster auto-shutdown system operate as normal, the detecting power interface begins to detect the air-conditioning power supply that is attached thereto.The detecting power interface is only handled from high level to low level voltage difference, and other variations is not processed, and that is to say only doing the processing that has a power failure.When the detecting power interface detects from high level to low level voltage difference; this voltage difference will be sent to ATMEGA16L type single-chip microcomputer; after ATMEGA16L type single-chip microcomputer is received this voltage difference; the signal that sends one " poweroff " is given the MAX232 communication chip; " poweroff " signal that the MAX232 communication chip sends over ATMEGA16L type single-chip microcomputer change into computer Recognition " poweroff " signal; send this signal to adorned the parallel command program computing machine by data line interface then; this computing machine is from promptly carrying out the automatic shutdown command of power-off protection microcomputer cluster auto-shutdown system after com port detects this signal; automatically shutdown command is performed and begins parallel shutdown after the back is waited for one minute; if within a minute of waiting for, press twice " ESC " key continuously then cancel power-off operation; reenter the detecting state, otherwise carry out parallel power-off operation.
Claims (2)
1. power-off protection microcomputer cluster auto-shutdown system, comprise air conditioner, air-conditioning power supply monitor, main control system and microcomputer cluster, the electric power detecting mouth that it is characterized in that the air-conditioning power supply monitor be arranged on the supply voltage that the air conditioner power supply is connected continual detecting air conditioner; Voltage data is connected to by data line interface and data line on the com port of main control system, and the network interface card of main control system links to each other with the switch of microcomputer cluster by netting twine and transmits parallel outage shutdown control command.
2. auto shutdown system according to claim 1, it is characterized in that the air-conditioning power supply monitor is made up of single-chip microcomputer IC1, communication chip IC2, photoelectronic coupler IC3, three terminal regulator IC4, data line interface JC, transformer B, rectifier Q, resistance R 1, R2 capacitor C 1-C9 and crystal oscillator JT, the elementary winding of transformer B connects air conditioner 220V power supply, secondary winding meets rectifier Q, the positive pole output of rectifier Q connects 3 pin of three terminal regulator IC4,1 pin of IC4 meets power supply VCC, the 2 pin ground connection of IC4; 1 pin of photoelectrical coupler IC3 meets power supply VCC, 2 pin crosstalks resistance R2 ground connection, and 3 pin crosstalks resistance R1 connects the positive pole output of rectifier Q, 4 pin ground connection; 10 pin of single-chip microcomputer IC1 meet power supply VCC, 11 pin ground connection, and 12,135 pin serial connection capacitor C 3, C4 meet crystal oscillator JT, and 14,15 pin are connected 10,9 pin of news chip IC 2 respectively, and 16 pin connect 2 pin of photoelectrical coupler IC3; 16 pin of communication chip IC2 meet power supply VCC, 15 pin ground connection, and 1,3 pin also connect capacitor C 7,4,5 pin and connect capacitor C 8,6 pin serial connections capacitor C 9 ground connection, 2 pin serial connection capacitor C 6 meets power supply VCC, capacitor C 5 also connects 16,15 pin, and 7,8 pin connect 2,3 pin of data line interface respectively; 7,8 pin of data line interface JC also connect, 5 pin ground connection, and 1,4,6 pin also connect; Between light emitting diode D and resistance R 3 serial connection power supply VCC and the ground wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710112950A CN100585536C (en) | 2007-09-19 | 2007-09-19 | Power-off protection microcomputer cluster auto-shutdown system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710112950A CN100585536C (en) | 2007-09-19 | 2007-09-19 | Power-off protection microcomputer cluster auto-shutdown system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101201687A true CN101201687A (en) | 2008-06-18 |
| CN100585536C CN100585536C (en) | 2010-01-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710112950A Expired - Fee Related CN100585536C (en) | 2007-09-19 | 2007-09-19 | Power-off protection microcomputer cluster auto-shutdown system |
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| Country | Link |
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| CN (1) | CN100585536C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107015622A (en) * | 2017-04-20 | 2017-08-04 | 西北大学 | A kind of spark clusters automatic cut-off protection shield and the method for incoming call self-starting |
-
2007
- 2007-09-19 CN CN200710112950A patent/CN100585536C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107015622A (en) * | 2017-04-20 | 2017-08-04 | 西北大学 | A kind of spark clusters automatic cut-off protection shield and the method for incoming call self-starting |
| CN107015622B (en) * | 2017-04-20 | 2023-05-26 | 西北大学 | Spark cluster power-off self-protection and incoming call self-starting method |
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| Publication number | Publication date |
|---|---|
| CN100585536C (en) | 2010-01-27 |
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Granted publication date: 20100127 Termination date: 20120919 |