CN101470648B - Power supply switch control system - Google Patents
Power supply switch control system Download PDFInfo
- Publication number
- CN101470648B CN101470648B CN2007102034125A CN200710203412A CN101470648B CN 101470648 B CN101470648 B CN 101470648B CN 2007102034125 A CN2007102034125 A CN 2007102034125A CN 200710203412 A CN200710203412 A CN 200710203412A CN 101470648 B CN101470648 B CN 101470648B
- Authority
- CN
- China
- Prior art keywords
- circuit
- control
- power supply
- switch
- pin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The invention relates to a power supply switch control system, which comprises a server, a conversion circuit, a control circuit, a switch circuit and a connector which are orderly connected, wherein the switch circuit comprises at least a switch, the connector is equipped with at least a pin, a switch of the switch circuit is correspondingly connected with the pin of the connector, and the pin of the connector is used to connect with at least a power supply pin of a computer main board to be measured. The server comprises a serial interface, the server outputs a control signal through the serial interface, the conversion circuit converts the control signal which is output by the server to a level signal which is supported by the control circuit, the control circuit controls the switch in the switch circuit to turn on or off according to the received control signal to control the opening and closing of a computer which is connected with the connector. The power supply switch control system can achieve remotely control the opening and closing of a plurality of computer power supplies.
Description
Technical field
The present invention relates to a kind of power supply switch control system, particularly a kind of control system of Long-distance Control multiple computers power switch.
Background technology
The ACPI of mainboard (Advanced Configuration and Power Interface, ACPI) function is one of the function that must survey in the mainboard research and development, and in the mainboard proof procedure, whether the function that the test result of monolithic mainboard can not be reacted mainboard really is normal, want the function of actual response mainboard, need the test result of tens mainboards usually.But existing method of testing all adopts connection motherboard power supply manually, and the ACPI function of testing host obviously can be wasted great amount of manpower again.And in the practical operation, mainboard to be measured may be far away from the operator, connects motherboard power supply to the operator and make troubles.
Summary of the invention
In view of foregoing, be necessary to provide a kind of control system that realizes Long-distance Control multiple computers power switch.
A kind of power supply switch control system, comprise a server that connects successively, one change-over circuit, one control circuit, one on-off circuit and a connector, described server sends one and controls signal to described change-over circuit, described change-over circuit converts described control signal to a level signal, and the level signal after will changing is sent to described control circuit, described control circuit is controlled described on-off circuit according to described level signal, described on-off circuit also links to each other with described connector, described on-off circuit comprises at least one switch, described connector has at least one pin, the corresponding connection of the switch of described on-off circuit with the pin of described connector, the pin of described connector is used for being connected with the power pin of at least one computer main board to be measured, described server comprises a serial line interface, described server is exported described control signal by this serial line interface, described change-over circuit is converted to the level signal that described control circuit is supported with the control signal of described server output, described control circuit is controlled being switched on or switched off of switch in the described on-off circuit according to the control signal that receives, the switch of the computer that is connected with connector with control.
In the above-mentioned power supply switch control system, described server comprises a serial line interface, can communicate by letter with described control circuit by serial transmission protocol, realizes remote control function, described control circuit is the break-make of a plurality of switches in the gauge tap circuit simultaneously, realizes the multiterminal control function.
Description of drawings
The invention will be further described in conjunction with embodiment with reference to the accompanying drawings.
Fig. 1 is the circuit diagram of the better embodiment of power supply switch control system of the present invention.
Embodiment
Please refer to Fig. 1, the better embodiment of power supply switch control system of the present invention comprises a server, a change-over circuit 20, a control circuit 30, a clock circuit 40, a reset circuit 50, an on-off circuit 60 and a connector 80.
Described server comprises a RS232 interface 12, and the user can import corresponding information to control the switch of corresponding computer power to be measured by server.RS232 is a kind of serial transmission standard commonly used, can carry out distant signal and transmit.According to the RS232 transmission standard, the pin RXD and the pin TXD of described RS232 interface 12 are used to transmit signal.
Described change-over circuit 20 comprises that a model is the voltage transitions chip 22 of MAX232, the pin of described voltage transitions chip 22
Be connected with the pin RXD of described RS232 interface 12, the pin R1IN of described voltage transitions chip 22 is connected with the pin TXD of described RS232 interface 12, the pin T1IN of described voltage transitions chip 22,
Be connected with described control circuit 30.Connect a capacitor C 1 between the pin C1+ of described voltage transitions chip 22 and the C1-, connect a capacitor C 2 between pin C2+ and the C2-, pin V+ is connected a 5V standby power and ground by capacitor C 3, C4 respectively with V-, connects a capacitor C 5 between 5V standby power and the ground.The pin VCC of described voltage transitions chip 22 connects described 5V standby power, pin GND ground connection.Described change-over circuit 20 is the Transistor-Transistor Logic level that described control circuit 30 is supported in order to the RS232 level conversion with described RS232 interface 12 outputs.
Described control circuit 30 is that a model is the single-chip microcomputer of AT89C51, the pin P3.0/RXD of described control circuit 30 and P3.1/TXD respectively with the pin of described voltage transitions chip 22
Be connected with T1IN.The pin VCC of described control circuit 30 connects described 5V standby power, and pin GND ground connection connects described clock circuit 40 between pin XTAL1 and the XTAL2, and described clock circuit 40 provides work clock for described control circuit 30.The pin of described control circuit 30
Be connected to described 5V standby power by a resistance R 19, pin RST connects described reset circuit 50, and described reset circuit 50 can send a reset signal and control circuit 30 resetted for described control circuit 30 when control circuit 30 operation is slow.
In the present embodiment, the pin P1.0-P1.3 that takies described control circuit 30 exports control signals as output port to described on-off circuit 60.Described on-off circuit 60 is that a model is the analog switch of CD4066, its pin VSS ground connection, and pin VDD connects described 5V standby power.Described on-off circuit 60 comprises four independently analog switches.Independently analog switch is all by 1 control end for each, and 1 input end and 1 output terminal are formed.Among Fig. 1, control end CONTA, CONTB, CONTC, CONTD, input end IN/OUTA, IN/OUTB, IN/OUTC, IN/OUTD, output terminal OUT/INA, OUT/INB, OUT/INC, OUT/IND is respectively corresponding to form described four groups of analog switches independently, described control end CONTA, CONTB, CONTC, CONTD respectively with the corresponding connection of pin P1.0-P1.3 of described control circuit 30, the control signal of reception control circuit 30, input end IN/OUTA, IN/OUTB, IN/OUTC, the equal ground connection of IN/OUTD, output terminal OUT/INA, OUT/INB, OUT/INC, OUT/IND is connected with each pin of connector 80 respectively.Each pin correspondence of described connector 80 is connected to the PWRBTN pin on the corresponding computer main board to be measured.In described on-off circuit 60, when control end is high level, be equivalent to switch closure, the output terminal level equals the input end level; When control end is low level, is equivalent to switch and disconnects, output terminal is an off-state.
When using a plurality of computer powers start of above-mentioned power supply switch control system control Long-distance Control, input control information on described server, as allow server send control with as described in the signal of the booting computer that is connected of connector 80, described server exports above-mentioned control information to described RS232 interface 12, described voltage transitions chip 22 is the Transistor-Transistor Logic level signal that control circuit 30 can receive with the RS232 conversion of signals of RS232 interface 12 outputs, described control circuit 30 carries out verification with the Transistor-Transistor Logic level signal that receives, if finding transmission course makes mistakes, then the pin T1IN by described change-over circuit 20 sends error message to server, requirement resends, otherwise to server passback successful information, and send an instantaneous high level signal to corresponding pin P1.0-P1.3 according to the described Transistor-Transistor Logic level signal that server transmits, the control port CONTA of corresponding on-off circuit 60, CONTB, CONTC, CONTD receives described high level signal, so that corresponding analog switch conducting, make the PWRBTN pin on the corresponding computer main board receive low level, control corresponding booting computer, more corresponding computer is carried out the ACPI Function detection.If close the power supply of corresponding computer, server sends an off signal, described control circuit 30 is at pin P1.0-P1.3 place output low level signal, control port CONTA, CONTB, CONTC, the CONTD of corresponding on-off circuit 60 receive described low level signal, so that corresponding analog switch disconnects, PWRBTN pin on the corresponding computer main board is opened a way over the ground, make the corresponding computer shutdown.
Above-mentioned power supply switch control system also has expanded function, can take the port of more control circuit 30, and the corresponding on-off circuit 60 that connects respective numbers can be controlled the nearly switching on and shutting down operation of 24 computers simultaneously.
Claims (7)
1. power supply switch control system, comprise a server that connects successively, one change-over circuit, one control circuit, one on-off circuit and a connector, described server sends one and controls signal to described change-over circuit, described change-over circuit converts described control signal to a level signal, and the level signal after will changing is sent to described control circuit, described control circuit is controlled described on-off circuit according to described level signal, described on-off circuit also links to each other with described connector, described on-off circuit comprises at least one switch, described connector has at least one pin, the corresponding connection of the switch of described on-off circuit with the pin of described connector, the pin of described connector is used for being connected with the power pin of at least one computer main board to be measured, described server comprises a serial line interface, described server is exported described control signal by this serial line interface, described change-over circuit is converted to the level signal that described control circuit is supported with the control signal of described server output, described control circuit is controlled being switched on or switched off of switch in the described on-off circuit according to the control signal that receives, the switch of the computer that is connected with connector with control.
2. power supply switch control system as claimed in claim 1 is characterized in that: power supply switch control system also comprises a clock circuit that is connected with described control circuit, and described clock circuit provides work clock for described control circuit.
3. power supply switch control system as claimed in claim 1 is characterized in that: power supply switch control system also comprises a reset circuit that is connected with described control circuit, and described reset circuit provides reset signal for control circuit when system's operation is slow.
4. power supply switch control system as claimed in claim 1 is characterized in that: described serial line interface is a RS232 interface.
5. power supply switch control system as claimed in claim 1 is characterized in that: described change-over circuit comprises that a model is the voltage transitions chip of MAX232.
6. power supply switch control system as claimed in claim 1 is characterized in that: described control circuit is that a model is the single-chip microcomputer of AT89C51.
7. power supply switch control system as claimed in claim 6, it is characterized in that: described on-off circuit is that a model is the analog switch of CD4066, described analog switch comprises at least one control end, input end and output terminal, described control end is connected with the corresponding interface of described control circuit, the corresponding connection of pin of described output terminal and described connector, described input end grounding, described control end is formed at least one group of switch with described input end and output terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007102034125A CN101470648B (en) | 2007-12-26 | 2007-12-26 | Power supply switch control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007102034125A CN101470648B (en) | 2007-12-26 | 2007-12-26 | Power supply switch control system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101470648A CN101470648A (en) | 2009-07-01 |
| CN101470648B true CN101470648B (en) | 2011-12-21 |
Family
ID=40828133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007102034125A Expired - Fee Related CN101470648B (en) | 2007-12-26 | 2007-12-26 | Power supply switch control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101470648B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102348009A (en) * | 2010-08-04 | 2012-02-08 | 鸿富锦精密工业（深圳）有限公司 | Mobile phone with fingerprint identification function |
| CN102375521B (en) * | 2010-08-12 | 2014-01-22 | 英业达股份有限公司 | Computer system |
| CN104216848B (en) * | 2013-05-29 | 2017-04-05 | 赛恩倍吉科技顾问（深圳）有限公司 | Mainboard |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1696867A (en) * | 2004-05-15 | 2005-11-16 | 鸿富锦精密工业（深圳）有限公司 | System and method of controlling power source in main board through network |
| CN1933331A (en) * | 2005-09-16 | 2007-03-21 | 鸿富锦精密工业（深圳）有限公司 | Power supply switch control system |
-
2007
- 2007-12-26 CN CN2007102034125A patent/CN101470648B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1696867A (en) * | 2004-05-15 | 2005-11-16 | 鸿富锦精密工业（深圳）有限公司 | System and method of controlling power source in main board through network |
| CN1933331A (en) * | 2005-09-16 | 2007-03-21 | 鸿富锦精密工业（深圳）有限公司 | Power supply switch control system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101470648A (en) | 2009-07-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11100036B2 (en) | Serial connection between management controller and microcontroller | |
| JP3610424B2 (en) | Electronic equipment and interface circuit | |
| CN205199969U (en) | Can realize automatic classification's after chip testing test equipment | |
| CN101470648B (en) | Power supply switch control system | |
| CN208188815U (en) | BMC module system | |
| CN102694722B (en) | Bridger and its method of operation | |
| CN102421010A (en) | Software debugging system and method compatible to video graphics array (VGA) port input | |
| CN110245048A (en) | A kind of cabinet intelligent management system and management method | |
| CN110688263B (en) | Application method of hard disk automatic switching device based on FPGA | |
| CN209168089U (en) | The switching device of USB device | |
| CN204496490U (en) | The address card that a kind of upper pull-up voltage is adjustable | |
| CN208298167U (en) | A kind of RS-422 bus test device based on embedded system | |
| CN101170780B (en) | Method for dual mode terminal to prevent from current backflow between two radio modules | |
| CN204302969U (en) | The USB/RS232-CAN translation debugging device of various configurations mode | |
| CN101131666B (en) | Contact smart card simulation card | |
| CN107066415B (en) | A kind of the PCIE subsystem power control system and method for multi-partition server system | |
| CN106569572A (en) | Mainboard and computer control system therewith | |
| US20210374082A1 (en) | Interface connection device, system and method thereof | |
| CN101477742B (en) | Uniform closedown device for computer room and controlling method thereof | |
| CN103686146A (en) | Online fault diagnosis device and method | |
| US20030122778A1 (en) | Keyboard/mouse switching controller | |
| CN209311880U (en) | A kind of switch acquisition control device | |
| JP2001134346A (en) | Remote power supply control circuit | |
| CN102568118A (en) | USB (Universal Serial Bus) data download interface based on embedded POS (Point of Sales) machine | |
| CN202333992U (en) | Intelligent controller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111221 Termination date: 20121226 |