CN101477742B

CN101477742B - Uniform closedown device for computer room and controlling method thereof

Info

Publication number: CN101477742B
Application number: CN2009100250487A
Authority: CN
Inventors: 王长宝; 顾勇; 凤俊翔
Original assignee: Jiangsu University of Science and Technology
Current assignee: Changshu Nanjing Normal University Development Research Institute Co Ltd
Priority date: 2009-02-13
Filing date: 2009-02-13
Publication date: 2010-08-04
Anticipated expiration: 2029-02-13
Also published as: CN101477742A

Abstract

The invention discloses a device for a simultaneous shutdown of all computers in a computer room, and a method for controlling the device. The device provided by the invention comprises a wireless reception shutdown circuit and a wireless remote controller, wherein, the wireless reception shutdown circuit comprises a controller, a power supply detection circuit, a storage chip, a wireless reception module, a learning indicator light, a learning switch, a photocoupler, a digital analog switch, a first contact pin, a second contact pin, a third contact pin and a resistor. The method provided bythe invention is characterized in that the wireless code transmission method is adopted for closing all the computers through POWER ON contact pins on main boards of the computers. Compared with the closing of desktop computers by a network, the invention is more flexible, and has the advantages of convenient use, and great use value and social benefit.

Description

Uniform closedown device for computer room and control method thereof

Technical field

The present invention relates to a kind of computer shutdown apparatus and method, relate in particular to a kind of uniform closedown device for computer room and control method thereof.

Background technology

At present, after a lot of schools computer room and the training computer room student of unit or student have gone up machine, computer room has not just been left in shutdown, though computer lab management personnel and teacher or teacher shut down computer before pointing out student or student to leave machine room often, but always some personnel does not accomplish, can only be gone to shut down computer this moment by computer lab management personnel and teacher or teacher, the computing machine that goes to cut out not shutdown by server is not bad, if do not realize the machine room of network management, must in face of every computing machine of not closing, could normally shut down computer, a lot of times of computer lab management person have been increased, thereby a lot of computer lab management persons directly close general supply (the total lock of power supply) in order to save trouble, the long-term general supply of in the past under the situation that computing machine does not cut out, directly closing, computer hardware there are very major injury, especially hard disc of computer.

Summary of the invention

The technical problem to be solved in the present invention is to propose a kind of uniform closedown device for computer room and control method thereof at the defective that prior art exists.

Uniform closedown device for computer room of the present invention, comprise wireless receiving shutdown circuit and Digiplex, wherein the wireless receiving shutdown circuit is by controller, power sense circuit, storage chip, wireless receiving module, the study pilot lamp, learn switch, photoelectrical coupler, the digital simulation switch, first contact pin, second contact pin, the 3rd contact pin and resistance are formed, the input end of the output termination photoelectrical coupler of first contact pin, an end and the controller input end of the positive output end connecting resistance R of photoelectrical coupler, the other end of resistance R is received computer ATX electric power standby power+5VSB, the negative output terminal ground connection of photoelectrical coupler, the input end of controller respectively with power sense circuit, wireless receiving module, learn switch is electrically connected, the output terminal of controller 1 respectively with study pilot lamp, the digital simulation switch is electrically connected, controller 1 is connected with storage chip 3 with bus mode, the digital simulation switch respectively with second contact pin, the 3rd contact pin is electrically connected, Digiplex and wireless receiving module wireless connections.

The control method of described uniform closedown device for computer room is characterized in that each computing machine all installs described unified shutdown unit, and described control method specifically comprises the steps:

A.) adopt wireless receiving module to receive public spoon that Digiplex sends and spoon export public affairs to controller;

B.) after controller receives the promptly public spoon of this computer shutdown signal, judge whether current computer is in standby;

C.) when the computing machine standby, ACPI LED S3 standby indicating lamp on the mainboard is delivered to controller by first contact pin, photoelectrical coupler successively, the photoelectrical coupler output low level arrives controller during the computing machine standby, otherwise photoelectrical coupler output high level is to controller;

D.) when controller detects photoelectrical coupler and is output as low level, controller is opened computing machine by digital simulation switch (9), and the one fen clock controller of delaying time is shut down computer by the digital simulation switch;

E.) when controller detects photoelectrical coupler and is output as high level, carry out computer operation power supply ATX+the 5V voltage detecting;

F.) when detecting+the 5V output voltage, controller is shut down computer by the digital simulation switch;

G.) when not detecting+the 5V output voltage, controller does not carry out power-off operation;

H.) after controller is shut down computer by the digital simulation switch, the 3 fens clock controllers of delaying time also detect+the 5V output voltage, illustrate that computing machine can not normal shutdown, and controller will be shut down computer by force by the digital simulation switch.

The present invention is more flexible, easy to use than close desktop computer by network, and very big use value and social effect are arranged.

Description of drawings

Fig. 1 is a shutdown unit circuit connection diagram of the present invention;

Digiplex 12 external structures of Fig. 2 for carrying among Fig. 1;

Fig. 3 is for being installed near Digiplex 12 external structures of power of computer room master switch among Fig. 1.

Embodiment

As shown in Figure 1.Uniform closedown device for computer room, comprise wireless receiving shutdown circuit 111 and Digiplex 12, wherein wireless receiving shutdown circuit 111 is by controller 1, power sense circuit 2, storage chip 3, wireless receiving module 4, study pilot lamp 5, learn switch 6, photoelectrical coupler 7, digital simulation switch 9, first contact pin 8, second contact pin 10, the 3rd contact pin 11 and resistance R are formed, the input end of the output termination photoelectrical coupler 7 of first contact pin 8, the end of the positive output end connecting resistance R of photoelectrical coupler 7 and controller 1 input end, the other end of resistance R is received computer ATX electric power standby power+5VSB, the negative output terminal ground connection of photoelectrical coupler 7, the input end of controller 1 respectively with power sense circuit 2, wireless receiving module 4, learn switch 6 is electrically connected, the output terminal of controller 1 respectively with study pilot lamp 5, digital simulation switch 9 is electrically connected, controller 1 is connected with storage chip 3 with bus mode, digital simulation switch 9 respectively with second contact pin 10, the 3rd contact pin 11 is electrically connected wireless receiving module 4 and Digiplex 12 wireless connections.

Required working power is provided by computer ATX electric power standby power+5VSB in the wireless receiving shutdown circuit 111.

Controller 1 is used for wireless encoding signal Processing and the storage to Digiplex 12, computer operating state detects and judges, finish corresponding executing the task, promote circuit by single-chip microcomputer, program storage, data-carrier store, input interface, output interface, output and constitute.

Power sense circuit 2 is used for 1 pair of computer ATX electric power of controller+5V power supply and detects, and when+5V power supply exists the explanation computing machine to be in complete running status ,+5V power supply does not have, and the computer ATX electric power standby is described, promptly computing machine is in shutdown or dormancy or holding state.

Storage chip 3 be used to deposit public spoon (universal code, i.e. every machine same password) and spoon (to should the platform machine be a password) password, be an EEPOM memory chip.

The wireless encoding signal that wireless receiving module 4 is used to receive Digiplex 12 send controller 1 to handle.

Learn switch 6 is used for a public spoon and a spoon wireless encoding study of 1 pair of Digiplex 12 of controller, form by two code switchs, one " 0 " and " 1 " are used for controller 1 and judge it is key configuration study, still key operated control, another one " 0 " and " 1 " are used for public spoon study, also are spoon study.

Study pilot lamp 5 is used for 1 a pair of public spoon of controller and a spoon wireless encoding study indication, two utmost point LED constitute by dual color light emitting, red corresponding public spoon study, green corresponding spoon study, when being used for controller 1, of learn switch 6 judges it is key configuration study, public spoon of study pilot lamp 5 correspondences or individual spoon lamp were bright when still the position was learnt in the position of the switch of key operated control, when controller is learnt complete for 1 pair public spoon or individual spoon, study pilot lamp 5 extinguishes, the prompting learning success, the user puts go back to key operated control position with learn switch 6.

Contact pin 8 is used to connect ACPI LED S3 standby indicating lamp on the mainboard by line, and process contact pin 8 is connected S3 standby indicating lamp signal by the positive and negative photodiode both positive and negative polarity that is sent to photoelectrical coupler 7 with photoelectrical coupler 7.

Photoelectrical coupler 7 is used for ACPI LED S3 standby indicating lamp on the mainboard is sent to controller 1, the S3 standby indicating lamp was bright when computing machine was in standby, extinguish at ordinary times, the explanation computing machine is in holding state when controller 1 detects photoelectrical coupler 7 and is output as " 0 ", when Digiplex 12 remote closing computing machines, after controller 1 is opened computer run by digital simulation switch 9, the one fen clock controller 1 of delaying time is shut down computer by digital simulation switch 9 once more, thereby information can not stopped mistake when guaranteeing the remote closing computing machine, please the user when can not find S3 standby signal pilot lamp (sampling spot) on the mainboard by the operating system power management idle function of shutting down computer.

Contact pin 10 is used to connect on the register face startup line (POWER ON) of start key, and the startup line (POWER ON) of start key on the register face is moved on on the shutdown unit circuit.

Contact pin 11 is used to connect power supply on the computer motherboard (POWER ON) start contact pin, and the key that is used for starting shooting on controller 1 and the register face is respectively by power supply on the computer motherboard (POWER ON) start contact pin supervisory computer Push And Release.

Digital simulation switch 9 is used for the opening and closing computing machine, is equivalent to the function of start key on the register face, and getting CD4066 in this example is the digital simulation switch, and control end is connected to controller 1.

Digiplex 12 is used for the wireless cipher key and sends, and 121 of Digiplex 12 external structures of carrying such as Fig. 2 is installed in 122 of near Digiplex 12 external structures of power of computer room master switch such as Fig. 3.

As shown in Figure 2, be Digiplex 12 external structures of carrying among Fig. 1, there is a shutdown button on the surface, and its inside is made up of coding circuit and wireless transmission circuit, and when by opening the shutdown button, the computing machine that interior all ends of machine room are closed is with whole safety shutdowns.

As shown in Figure 3, be near Digiplex 12 external structures that are installed among Fig. 1 the power of computer room master switch, unified shutdown button " passs " is removed on the surface, numerical key 0～9, cancel key, acknowledgement key in addition, and display part.Its inside is made of coding circuit, keyboard circuit, display circuit, wireless transmission circuit.When by opening the shutdown button computing machine that all ends are closed in the machine room when " pass " with whole safety shutdowns, after pressing numerical key, press acknowledgement key, the computing machine of cutting out with the corresponding end of digital value is with safety shutdown.Cancel key is used for revising digital value before the end is by acknowledgement key.

Claims

1. uniform closedown device for computer room, it is characterized in that comprising wireless receiving shutdown circuit (111) and Digiplex (12), wherein wireless receiving shutdown circuit (111) is by controller (1), power sense circuit (2), storage chip (3), wireless receiving module (4), study pilot lamp (5), learn switch (6), photoelectrical coupler (7), digital simulation switch (9), first contact pin (8), second contact pin (10), the 3rd contact pin (11) and resistance (R) are formed, the input end of the output termination photoelectrical coupler (7) of first contact pin (8), the end of the positive output end connecting resistance R of photoelectrical coupler (7) and controller (1) input end, the other end of resistance R is received computer ATX electric power standby power+5VSB, the negative output terminal ground connection of photoelectrical coupler (7), the input end of controller (1) respectively with power sense circuit (2), wireless receiving module (4), learn switch (6) is electrically connected, the output terminal of controller (1) respectively with study pilot lamp (5), digital simulation switch (9) is electrically connected, controller (1) is connected with storage chip (3) with bus mode, digital simulation switch (9) respectively with second contact pin (10), the 3rd contact pin (11) is electrically connected, wireless receiving module (4) and Digiplex (12) wireless connections.

2. control method based on the described uniform closedown device for computer room of claim 1 is characterized in that each computing machine all installs described unified shutdown unit, and described control method specifically comprises the steps:

A.) adopt wireless receiving module (4) to receive public spoon that Digiplex (12) sends and spoon export public affairs to controller (1);

B.) after controller (1) receives the promptly public spoon of this computer shutdown signal, judge whether current computer is in standby;

C.) when the computing machine standby, ACPI LED S3 standby indicating lamp on the mainboard is delivered to controller (1) by first contact pin (8), photoelectrical coupler (7) successively, photoelectrical coupler during the computing machine standby (7) output low level is to controller (1), otherwise photoelectrical coupler (7) output high level is to controller (1);

D.) detect photoelectrical coupler (7) when being output as low level when controller (1), controller (1) is opened computing machine by digital simulation switch (9), delay time one minute clock controller (1) shut down computer by digital simulation switch (9);

E.) detect photoelectrical coupler (7) when being output as high level when controller (1), carry out computer operation power supply ATX+the 5V voltage detecting;

F.) when detecting+the 5V output voltage, controller (1) is shut down computer by digital simulation switch (9);

G.) when not detecting+the 5V output voltage, controller (1) does not carry out power-off operation;

H.) after controller (1) is shut down computer by digital simulation switch (9), delay time 3 minutes clock controller (1) also detect+the 5V output voltage, illustrate that computing machine can not normal shutdown, controller (1) will be shut down computer by force by digital simulation switch (9).