CN104572142A - Computer control circuit - Google Patents
Computer control circuit Download PDFInfo
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- CN104572142A CN104572142A CN201310474871.2A CN201310474871A CN104572142A CN 104572142 A CN104572142 A CN 104572142A CN 201310474871 A CN201310474871 A CN 201310474871A CN 104572142 A CN104572142 A CN 104572142A
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Abstract
The invention discloses a computer control circuit which comprises a switch, a first pulse generation circuit, a second pulse generation circuit, a first pulse rectifying circuit, a second pulse rectifying circuit and a controller, wherein when the switch is in a first state, the controller is used for receiving a first rectifying signal through the first pulse generation circuit and the first pulse rectifying circuit, and controlling a computer to be started; when the switch is in a second state, the controller is used for receiving a second rectifying signal through the second pulse generation circuit and the second pulse rectifying circuit, and controlling the computer to be started. According to the computer control circuit, the controller can be used for controlling the power-on and power-off states of the computer according to the received rectifying signal.
Description
Technical field
The present invention relates to a kind of computer-controlled circuit, particularly a kind of control circuit of computer on-off.
Background technology
Existing computer realizes the switching on and shutting down of computer by the button (as arranged the power key on casing) with reset function be arranged at outside cabinet.So, when this power key damages, user then needs to open cabinet to carry out the switching on and shutting down of computer, so makes troubles.
Summary of the invention
In view of above content, be necessary to provide a kind of convenient computer-controlled circuit controlling computer on-off.
A kind of computer-controlled circuit, comprising:
One switch, has one first state and one second state;
One first pulse-generating circuit, is connected to this selector switch; When this selector switch is in this first state, this first pulse-generating circuit exports one first pulse signal;
One first impulse commutation circuit, is received from the first pulse signal that this first pulse-generating circuit exports, and carries out rectification to this first pulse signal, export one first rectified signal after rectification;
One second pulse-generating circuit, is connected to this selector switch; When this selector switch is in this second state, this second pulse-generating circuit exports one second pulse signal;
One second impulse commutation circuit, is received from the second pulse signal that this second pulse-generating circuit exports, and carries out rectification to this second pulse signal, export one second rectified signal after rectification; And
One controller, when receiving this first rectified signal, controls a booting computer; When receiving second rectified signal, control this shut down of computer.
Above-mentioned computer-controlled circuit middle controller carries out corresponding switching on and shutting down action according to receiving rectified signal, so makes, when the button that computer has reset function damages, still to realize the switching on and shutting down of computer by this selector switch, convenient and swift.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of the better embodiment of computer-controlled circuit of the present invention.
Main element symbol description
Following embodiment will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Embodiment
Below in conjunction with accompanying drawing and better embodiment, the present invention is described in further detail:
Please refer to Fig. 1, the better embodiment of computer-controlled circuit of the present invention comprises selector switch 60,1 first pulse-generating circuit 20,1 first impulse commutation circuit 30,1 second pulse-generating circuit 40,1 second impulse commutation circuit 50 and a controller 10.In present embodiment, this selector switch 60 is arranged on the shell of a computer, this selector switch 60 has two states: the first state and the second state, when this selector switch 60 is in the first state, this first pulse-generating circuit 20 produces one first pulse signal, and this first impulse commutation circuit 30 carries out rectification to this first pulse signal and exports one first rectified signal; When this selector switch 60 is in the second state, this second pulse-generating circuit 40 produces one second pulse signal, and this second impulse commutation circuit 50 carries out rectification to this second pulse signal and exports one second rectified signal.This controller 10 is a CPLD(Complex programmable Logic Device, complex programmable logic controller), this controller 10 controls the switching on and shutting down action of a computer according to this first and second rectified signal.In other embodiments, this selector switch 60 also can be arranged at other convenient positions touched of computer.
Particularly, this selector switch 60 comprises first to fourth pin 1-4 and a button 600.This button 600 is slidably connected to any two adjacent pins in this first to fourth pin 1-4, is electrically connected to make this two adjacent pin.This first pin 1 and the 4th pin 4 are all connected with a power supply VCC.This second pin 2 is by a resistance R2 ground connection.3rd pin 3 is by a resistance R10 ground connection.
This first pulse-generating circuit 20 comprises an electronic switch Q1, two electric capacity C1, C2 and four resistance R1, R5, R6 and R8.The first end of this electronic switch Q1 is connected with this second pin 2 by this resistance R5, the second end ground connection of this electronic switch Q1,3rd end of this electronic switch Q1 is connected with this power supply VCC by this resistance R8, also be connected with this power supply VCC by this electric capacity C1 and resistance R1 successively, this electric capacity C2 is in parallel with this electric capacity C1, node between this electric capacity C1 with this resistance R1 is connected this first impulse commutation circuit 30 by this resistance R6, for exporting this first pulse signal.
This first impulse commutation circuit 30 comprises two electronic switch Q2, Q3 and three resistance R3, R4 and R7.The first end of this electronic switch Q2 is connected to the node between this resistance R1 and electric capacity C1 by this resistance R6.The second end ground connection of this electronic switch Q2, the 3rd end of this electronic switch Q2 is connected with this power supply VCC by this resistance R3, is also connected with the first end of this electronic switch Q3 by this resistance R7.The second end ground connection of this electronic switch Q3, the 3rd end of this electronic switch Q3 is connected with this power supply VCC by this resistance R4.3rd end of this electronic switch Q3 also connects this controller 10, for exporting this first rectified signal.
In present embodiment, this electronic switch Q1-Q3 is NPN type triode, and the base stage of this NPN type triode, emitter and collector are respectively the first end of this electronic switch Q1-Q3, the second end and the 3rd end.In other embodiments, the element that this electronic switch Q1-Q3 also can have electronic switch function by other replaces, as N channel field-effect pipe.Grid, the source electrode of this N channel field-effect pipe and the drain first end, the second end and the 3rd end that are equivalent to this electronic switch Q1-Q3 respectively.
When original state, namely this button 600 is connected to the second pin 2 and the 3rd pin 3 of this selector switch 60, one end (lower end) level that this electric capacity C1 and C2 is connected to this electronic switch Q1 the 3rd end is VCC, one end (upper end) level that this electric capacity C1 and C2 is connected to this resistance R1 is: R6/ (R6+R1) * (VCC-0.7V)+0.7V, wherein R6 is the resistance value of resistance R6, the magnitude of voltage that the resistance value that R1 is resistance R1, VCC provide for power supply VCC, 0.7V is the PN junction pressure drop of this electronic switch Q2.When this first and second pin 1 is connected with 2 by this button 600, under namely this selector switch 60 is in this first state, the first end of this electronic switch Q1 is high level, this electronic switch Q1 conducting.The lower end level of this electric capacity C1 and C2 becomes 0 from VCC, and upper side level electric discharge upset, becomes negative VCC.Then, this power supply VCC is charged to this electric capacity C1 and C2 by this resistance R1, the upper terminal voltage of this electric capacity C1 and C2 slowly goes back up to: R6/ (R6+R1) * (VCC-0.7V)+0.7V, thereby produce this first pulse signal and carry out wave rectification to electronic switch Q2 and Q3 in this first impulse commutation circuit 30, and export the first rectified signal after rectification to this controller 10.This controller 10 carries out boot action after receiving this first rectified signal, wherein the pass of the time T1 that continues of this first pulse signal and this electric capacity C1, C2 and this resistance R1 is: T1=R1* (C1+C2), wherein R1 is the resistance value of resistance R1, and C1, C2 are respectively the capacitance of this electric capacity C1 and C2.In present embodiment, the time that this first pulse signal continues is within 1S.
This second pulse-generating circuit 40 comprises an electronic switch Q4, an electric capacity C3 and four resistance R9, R13, R14 and R16.The first end of this electronic switch Q4 is connected with the 3rd pin 3 by this resistance R13, the second end ground connection of this electronic switch Q4,3rd end of this electronic switch Q4 is connected with this power supply VCC by this resistance R16, is also connected with this power supply VCC by this electric capacity C3 and resistance R9 successively.Node between this electric capacity C3 with this resistance R9 is connected described second impulse commutation circuit 50 by this resistance R14, for exporting this second pulse signal.
This second impulse commutation circuit 50 comprises two electronic switch Q5, Q6 and three resistance R11, R12 and R16.The first end of this electronic switch Q5 is connected to the node between this resistance R9 and electric capacity C3 by this resistance R14.The second end ground connection of this electronic switch Q5, the 3rd end of this electronic switch Q5 is connected with this power supply VCC by this resistance R11, is also connected with the first end of this electronic switch Q6 by this resistance R15.The second end ground connection of this electronic switch Q6, the 3rd end of this electronic switch Q6 is connected with this power supply VCC by this resistance R12.3rd end of this electronic switch Q6 also connects the 3rd end of this controller 10 and this electronic switch Q3, for exporting this second rectified signal.
In present embodiment, this electronic switch Q4-Q6 is NPN type triode, and the base stage of this NPN type triode, emitter and collector are respectively the first end of this electronic switch Q4-Q6, the second end and the 3rd end.In other embodiments, the element that this electronic switch Q4-Q6 also can have electronic switch function by other replaces, as N channel field-effect pipe.Grid, the source electrode of this N channel field-effect pipe and the drain first end, the second end and the 3rd end that are equivalent to this electronic switch Q4-Q6 respectively.
When original state, namely this button 600 is connected to the second pin 2 and the 3rd pin 3 of this selector switch 60, one end (lower end) level that this electric capacity C3 is connected to this electronic switch Q4 the 3rd end is VCC, one end (upper end) level that this electric capacity C3 is connected to this resistance R9 is: R14/ (R14+R9) * (VCC-0.7V)+0.7V, wherein R14 is the resistance value of resistance R14, the magnitude of voltage that the resistance value that R9 is resistance R9, VCC provide for power supply VCC, 0.7V is the PN junction pressure drop of this electronic switch Q5.When the 3rd and the 4th pin 3 is connected with 4 by this button 600, under this selector switch 60 is in this second state.The first end of this electronic switch Q4 is high level, this electronic switch Q4 conducting.The low side level of this electric capacity C3 becomes 0 from VCC, and upper side level electric discharge upset, becomes negative VCC.Then, this power supply VCC is charged to this electric capacity C3 by this resistance R9, the upper terminal voltage of this electric capacity C3 slowly goes back up to: R14/ (R14+R9) * (VCC-0.7V)+0.7V, thereby produce this second pulse signal and carry out wave rectification to electronic switch Q5 and Q6 in this second impulse commutation circuit 50, and export the second rectified signal after rectification to this controller 10.This controller 10 carries out shutdown action after receiving this second rectified signal, and wherein the pass of the time T2 that continues of this second pulse signal and this electric capacity C3 and this resistance R9 is: T2=R9*C3, wherein R9 is the resistance value of resistance R9, and C3 is the capacitance of this electric capacity C3.In present embodiment, the time that this second pulse signal continues is greater than 3S.
In present embodiment, after computer open and close machine, on the second pin 2 that this button 600 can be connected to this selector switch 60 and the 3rd pin 3, to make this selector switch 60 be in a third state, i.e. this original state.
In above-mentioned computer-controlled circuit, this controller 10 carries out corresponding switching on and shutting down action according to the duration receiving rectified signal, so make when the button that computer has reset function damages, the switching on and shutting down of computer are still realized by the selector switch 60 be arranged on computer casing, convenient and swift.
Claims (10)
1. a computer-controlled circuit, comprising:
One selector switch, has one first state and one second state;
One first pulse-generating circuit, is connected to this selector switch; When this selector switch is in this first state, this first pulse-generating circuit exports one first pulse signal;
One first impulse commutation circuit, is received from the first pulse signal that this first pulse-generating circuit exports, and carries out rectification to this first pulse signal, export one first rectified signal after rectification;
One second pulse-generating circuit, is connected to this selector switch; When this selector switch is in this second state, this second pulse-generating circuit exports one second pulse signal;
One second impulse commutation circuit, is received from the second pulse signal that this second pulse-generating circuit exports, and carries out rectification to this second pulse signal, export one second rectified signal after rectification; And
One controller, when receiving this first rectified signal, controls a booting computer; When receiving second rectified signal, control this shut down of computer.
2. computer-controlled circuit as claimed in claim 1, it is characterized in that: this selector switch comprises first to fourth pin and a button, two adjacent pins any in this first to fourth pin can be connected by this button, are electrically connected to make this two adjacent pin; When this first and second pin connects by this button, this selector switch is in this first state; When the 3rd and the 4th pin connects by this button, this selector switch is in this second state; After this controller receives this first rectified signal or the second rectified signal, this second pin and the 3rd pin connect by this button, are in a third state to make selector switch.
3. computer-controlled circuit as claimed in claim 2, is characterized in that: the first pin and the 4th pin of this selector switch are all connected with a power supply VCC; This second pin is by one first resistance eutral grounding; 3rd pin is by one second resistance eutral grounding.
4. computer-controlled circuit as claimed in claim 3, it is characterized in that: this first pulse-generating circuit comprises one first electronic switch, the first end of this first electronic switch is connected with the second pin of this selector switch, second end ground connection of this first electronic switch, 3rd end of this first electronic switch is connected with this power supply by one the 3rd resistance, also be connected with this power supply by one first electric capacity and one the 4th resistance successively, one second electric capacity and this first Capacitance parallel connection, node between this first electric capacity and the 4th resistance connects this first impulse commutation circuit by one the 5th resistance, for exporting this first pulse signal, when the first end of this first electronic switch is high level, this first electronic switch conducting, when the first end of this first electronic switch is low level, this first electronic switch ends, the time that this first pulse signal continues is the product of this first and second electric capacity sum and the 4th resistance.
5. computer-controlled circuit as claimed in claim 4, it is characterized in that: this second pulse-generating circuit comprises one second electronic switch, the first end of this second electronic switch is connected with the 3rd pin of this selector switch, second end ground connection of this second electronic switch, 3rd end of this second electronic switch is connected with this power supply by one the 6th resistance, also be connected with this power supply by one the 3rd electric capacity and one the 7th resistance successively, node between 3rd electric capacity and the 7th resistance connects this second impulse commutation circuit by one the 8th resistance, for exporting this second pulse signal, when the first end of this second electronic switch is high level, this second electronic switch conducting, when the first end of this second electronic switch is low level, this second electronic switch ends, the time that this second pulse signal continues is the product of the 3rd electric capacity and the 7th resistance.
6. computer-controlled circuit as claimed in claim 5, it is characterized in that: this first rectification circuit comprises the 3rd and the 4th electronic switch, the first end of the 3rd electronic switch is connected with the node between this first electric capacity and the 4th resistance by the 5th resistance, second end ground connection of the 3rd electronic switch, 3rd end of the 3rd electronic switch is connected with this power supply by one the 9th resistance, is also connected with the first end of the 4th electronic switch by 1 the tenth resistance; Second end ground connection of the 4th electronic switch, the 3rd end of the 4th electronic switch is connected with this power supply by 1 the 11 resistance; When the first end of the 3rd and four electronic switches is high level, the equal conducting of the 3rd and four electronic switches; When the first end of the 3rd and four electronic switches is low level, the 3rd and four electronic switches all end.
7. computer-controlled circuit as claimed in claim 6, it is characterized in that: this second rectification circuit comprises the 5th and the 6th electronic switch, the first end of the 5th electronic switch is connected with the node between this second electric capacity and the 7th resistance by the 8th resistance, second end ground connection of the 5th electronic switch, 3rd end of the 5th electronic switch is connected with this power supply by 1 the 12 resistance, is also connected with the first end of the 6th electronic switch by 1 the 13 resistance; Second end ground connection of the 6th electronic switch, the 3rd end of the 6th electronic switch is connected with this power supply by 1 the 14 resistance; When the first end of the 5th and six electronic switches is high level, the equal conducting of the 5th and six electronic switches; When the first end of the 5th and six electronic switches is low level, the 5th and six electronic switches all end.
8. computer-controlled circuit as claimed in claim 7, it is characterized in that: this first to the 6th electronic switch is NPN type triode, the base stage of this NPN type triode, emitter and collector are respectively the first end of the first to the 6th electronic switch, the second end and the 3rd end.
9. computer-controlled circuit as claimed in claim 8, is characterized in that: the second pin of this selector switch is also by 1 the 15 resistance eutral grounding.
10. computer-controlled circuit as claimed in claim 9, is characterized in that: the 3rd pin of this selector switch is also by 1 the 16 resistance eutral grounding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310474871.2A CN104572142B (en) | 2013-10-12 | 2013-10-12 | Computer-controlled circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310474871.2A CN104572142B (en) | 2013-10-12 | 2013-10-12 | Computer-controlled circuit |
Publications (2)
| Publication Number | Publication Date |
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| CN104572142A true CN104572142A (en) | 2015-04-29 |
| CN104572142B CN104572142B (en) | 2017-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310474871.2A Expired - Fee Related CN104572142B (en) | 2013-10-12 | 2013-10-12 | Computer-controlled circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105607915A (en) * | 2016-02-02 | 2016-05-25 | 浪潮(北京)电子信息产业有限公司 | Double-zone power-on control method for server |
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| US20030189450A1 (en) * | 2002-04-08 | 2003-10-09 | Yoshihiko Kamata | Power on reset circuit |
| CN101593013A (en) * | 2008-05-30 | 2009-12-02 | 鸿富锦精密工业（深圳）有限公司 | Computer startup and shutdown system |
| CN101783663A (en) * | 2009-12-29 | 2010-07-21 | 福建鑫诺通讯技术有限公司 | Controllable on/off circuit |
| US20120044078A1 (en) * | 2010-08-17 | 2012-02-23 | Hon Hai Precision Industry Co., Ltd. | Power supply detecting circuit |
| CN103297014A (en) * | 2013-04-28 | 2013-09-11 | 青岛歌尔声学科技有限公司 | Startup and shutdown circuit and electronic device |
-
2013
- 2013-10-12 CN CN201310474871.2A patent/CN104572142B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030189450A1 (en) * | 2002-04-08 | 2003-10-09 | Yoshihiko Kamata | Power on reset circuit |
| CN101593013A (en) * | 2008-05-30 | 2009-12-02 | 鸿富锦精密工业（深圳）有限公司 | Computer startup and shutdown system |
| CN101783663A (en) * | 2009-12-29 | 2010-07-21 | 福建鑫诺通讯技术有限公司 | Controllable on/off circuit |
| US20120044078A1 (en) * | 2010-08-17 | 2012-02-23 | Hon Hai Precision Industry Co., Ltd. | Power supply detecting circuit |
| CN103297014A (en) * | 2013-04-28 | 2013-09-11 | 青岛歌尔声学科技有限公司 | Startup and shutdown circuit and electronic device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105607915A (en) * | 2016-02-02 | 2016-05-25 | 浪潮(北京)电子信息产业有限公司 | Double-zone power-on control method for server |
| CN105607915B (en) * | 2016-02-02 | 2018-10-02 | 浪潮(北京)电子信息产业有限公司 | A kind of double subregion start-up control methods of server |
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| CN104572142B (en) | 2017-12-15 |
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Effective date of registration: 20171030 Address after: 528437 Guangdong province Zhongshan Torch Development Zone, Cheung Hing Road 6 No. 222 north wing trade building room Applicant after: Zhongshan yunchuang Intellectual Property Service Co.,Ltd. Address before: 518109 Guangdong province Shenzhen city Longhua District Dragon Road No. 83 wing group building 11 floor Applicant before: SCIENBIZIP CONSULTING (SHEN ZHEN) Co.,Ltd. Effective date of registration: 20171030 Address after: 518109 Guangdong province Shenzhen city Longhua District Dragon Road No. 83 wing group building 11 floor Applicant after: SCIENBIZIP CONSULTING (SHEN ZHEN) Co.,Ltd. Address before: 518109 Guangdong city of Shenzhen province Baoan District Longhua Town Industrial Zone tabulaeformis tenth East Ring Road No. 2 two Applicant before: HONG FU JIN PRECISION INDUSTRY (SHENZHEN) Co.,Ltd. Applicant before: HON HAI PRECISION INDUSTRY Co.,Ltd. |
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Granted publication date: 20171215 Termination date: 20181012 |