CN102207742B - Voltage control device - Google Patents
Voltage control device Download PDFInfo
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- CN102207742B CN102207742B CN201010136064.6A CN201010136064A CN102207742B CN 102207742 B CN102207742 B CN 102207742B CN 201010136064 A CN201010136064 A CN 201010136064A CN 102207742 B CN102207742 B CN 102207742B
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Abstract
The invention discloses a voltage control device for controlling a power circuit to output a voltage to a central processing unit (CPU) to test an operating voltage range of the CPU. The voltage control device comprises a power supply unit and a coding unit, wherein the power supply unit is used for supplying an operating voltage to the voltage control device; the coding unit comprises a programmable singlechip, a plurality of parallel switches and a plurality of first push switches; the plurality of parallel switches and the plurality of first push switches are connected with the programmable singlechip; the programmable singlechip comprises a setting module, a modification module and an output module; the setting module is used for receiving the operation of a user and recording an initial code of the coding unit; the modification module is used for controlling the initial code to continuously add a predetermined value or subtract the predetermined value according to the operation of the user on the first push switches so as to modify the initial code; and the output module is used for outputting the modified code to the power circuit according to the operation of the modification module and changing the operating voltage which is output to the CPU from the power circuit. The voltage control device facilitates the changing of a coding state by the user and improves working efficiency.
Description
Technical field
The present invention relates to control device, particularly a kind of voltage-operated device.
Background technology
On computer main board, be conventionally provided with a power supply output control chip (as Intersil6333), described control chip has a plurality of lines of codes, and mainboard is exported corresponding power supply voltage supplying CPU by the corresponding encoded of line of codes.Yet, in order to test the operating voltage range of CPU, need by revising the coding of line of codes and then changing output voltage.
The method of existing modification coding is generally utilizes jumping cap switch or single-pole double-throw switch (SPDT) to control the break-make of line of codes.Concrete, need first by corresponding jumping cap switch or single-pole double-throw switch (SPDT) by wire bonds to motherboard power supply control chip pin, then revise the jumping cap corresponding with line of codes or the state of switch.This method is when each modification coding, all need plug jumping cap or toggle switch to complete, because cap or all more difficult manual operations of toggle switch are jumped in plug, especially when the transfer process of two codings is more complicated, for example from coding FC (11111100), be adapted for coding FB (11111011), centre needs first FC to be successively revised as F8, two kinds of transition states of F9, from F9, be converted to FB state again, operating cycle and operation easier are increased greatly, and easily cause computer crash, reduce work efficiency.
Summary of the invention
The present invention is to provide a kind of voltage-operated device of increasing work efficiency.
, for control a power circuit output voltage to CPU to test the operating voltage range of this CPU.Described voltage-operated device comprises: power supply unit, is used to described voltage-operated device that operating voltage is provided; And coding unit, it comprises a programmable single chip computer and a plurality of paralleling switches that are connected with described programmable single chip computer, a plurality of the first push switch and a plurality of the second push switch.Described programmable single chip computer comprises: module is set, its for receive user to the operation of described paralleling switch the initial code with coding unit described in typing; Revise module, it is for the operation to the on off state of described the first push switch according to user, controlling initial code adds continuously a preset value or deducts a described preset value, revise the initial code of described coding unit and revise coding to obtain, and by receiving the on off state of the second push switch, control the keying of described the first push switch; And output module, it,, for according to the operation of described modification module, exports the amended coding of described modification module to described power circuit, and changes the operating voltage that power circuit exports CPU to.
Voltage-operated device of the present invention, by using programmable single chip computer and push switch to control encoding state, controls thereby facilitate user to change encoding state the voltage that power circuit outputs to CPU, raises the efficiency.
Accompanying drawing explanation
Fig. 1 is the functional block diagram of the voltage-operated device that provides of embodiment of the present invention.
Fig. 2 is the circuit diagram of the voltage-operated device of Fig. 1.
Main element symbol description
Voltage-operated device 100
Revise module 23
Programmable single chip computer 27
Demoder 28
Embodiment
Refer to Fig. 1, the voltage-operated device 100 that embodiment of the present invention provides is for controlling power circuit 150 output voltages to CPU200, to test the operating voltage range of this CPU200.In present embodiment, described power circuit 150 is integrated in a mainboard (not shown), and described CPU200 is connected with described mainboard.Described voltage-operated device 100 comprises power supply unit 10 and coding unit 20.
Described power supply unit 10 is a direct supply, and it is used to described voltage-operated device 100 that operating voltage is provided.Described power supply unit 10 is connected with described coding unit 20 by a plurality of paralleling switches 101.In present embodiment, the quantity of described paralleling switch 101 is 8.Be appreciated that described paralleling switch 101 can be used jumper switch, single-pole double-throw switch (SPDT) or push switch, the quantity of described paralleling switch 101 is also not limited to 8, can be 4,16 or other numerical value.
Refer to Fig. 2, described coding unit 20 is for receiving the output voltage of described power supply unit 10, and typing user the manual mode initial code and the modification to initial code that arrange, and according to amended coding, change the output voltage of described power circuit 150.Concrete, described coding unit 20 comprises and module 21 is set, revises module 23 and output module 25.In present embodiment, described coding unit 20 is realized coding by a programmable single chip computer 27, described programmable single chip computer 27 comprises a plurality of input ends 271, a plurality of control end 273 and a plurality of output terminal 275, the input end 271 of described programmable single chip computer 27 is connected with described power supply unit 10 by described a plurality of paralleling switches 101 respectively, and a plurality of output terminals 275 are connected with described power circuit 150.Described module 21, modification module 23 and the output module 25 of arranging is integrated in described programmable single chip computer 27.
The described module 21 that arranges is for receiving the initial code of coding unit 20 described in user's operation typing.In present embodiment, acquiescence that described initial code is described mainboard coding, its operating voltage during corresponding to CPU200 initialization, it can arrange according to the CPU200 of different model.In present embodiment, the described module 21 that arranges receives from the signal of input end 271 inputs of described programmable single chip computer 27.Concrete, the input end 271 of described programmable single chip computer 27 is connected with described power supply unit 10 by described a plurality of paralleling switches 101 respectively, the described module 21 of arranging is by receiving the manual setting of user to the on off state of each paralleling switch 101, and arranges the initial code of coding unit 20 described in typing according to this.For example, the off-state of supposing each switch 101 is 1, and closure state is 0, and, when 11111010 state appears in the combination of paralleling switch 101, this arranges module 21 can typing initial code FC.
Described modification module 23 receives from the signal of control end 273 inputs of described programmable single chip computer 27.Concrete, described a plurality of control ends 273 are connected with a plurality of push switches 29 respectively, and described modification module 23, by receiving the operation of user to the on off state of each push switch 29, is revised the initial code of described coding unit 20 and is revised coding to obtain.Described push switch 29 comprises a plurality of the first push switches and a plurality of the second push switch.The operation to the first push switch according to user of described modification module 23, controls described initial code and adds continuously preset value or deduct described preset value and obtain described modification coding.In present embodiment, described preset value is 1.Be appreciated that described preset value can also or be greater than 2 integer for 2.Concrete, described the first push switch comprises two hand switches 291 and two automatic switches 293, described the second push switch comprises switch 295 and a shutdown switch 297 at the beginning.Described two hand switches 291 are respectively used to produce and send and add 1 signal or subtract 1 signal to described programmable single chip computer 27, and when user presses once described hand switch 291, described programmable single chip computer 27 is controlled described initial code and added 1 or subtract 1; Described two automatic switches 293 are respectively used to produce and send and automatically add 1 signal or automatically subtract 1 signal to described programmable single chip computer 27, when user presses once described automatic switch 293, described programmable single chip computer 27 is controlled described initial code with a preset frequency, add continuously 1 or subtract 1 every a predetermined amount of time; Described beginning switch 295 is for starting described coding unit 20 for user; Described shutdown switch 297, for when described initial code changes to desired value, manually stops the continuous modification of 27 pairs of encoded radios of described programmable single chip computer for user.
Be appreciated that the predeterminated frequency when automatic switch 293 is higher, and coding modification process more in short-term, can modify by independent use hand switch 291, also can in conjunction with 291 pairs of codings of hand switch, finely tune by using, to improve precision; When the predeterminated frequency of automatic switch 293 is lower, and coding modification process is when longer, can use automatic switch 293 to modify, to save time and to increase work efficiency.
Described output module 25, for according to the signal of described modification module 23, exports the modification coding of described coding unit 20 to described power circuit 150.Concrete, described output module 25 is from output terminal 275 output signals of described programmable single chip computer 27, and when described beginning switch 295 work, described output terminal 275 transfers to described power circuit 150 continuously by the amended coding of described modification module 23.In addition, in order to watch easily and intuitively encoding state, the output terminal 275 of described programmable single chip computer 27 is also connected with a display unit 30 by two demoders 28, and described demoder 28 is connected in parallel to described output terminal 275 with described power circuit 150.In present embodiment, described display unit 30 is comprised of liquid crystal numberal tube, and the model of described demoder 28 is 74LS48.
When using this voltage-operated device 100, the power circuit on mainboard 150 is connected between the output terminal 275 and CPU200 of programmable single chip computer 27, and opens the power supply unit 10 of voltage-operated device 100.The module 21 that arranges of programmable single chip computer 27 receives the operation of user to paralleling switch 101, and initial code described in typing.User presses and starts after switch 295, further by other first push switches of operation, revises initial code.For example, start to press hand switch 291 one time, make initial code add 1 or subtract 1, and when continuing to press this hand switch 291, initial code can continue to add 1 or subtract 1; When starting to press automatic switch 293, revise module 23 and control initial code and continue automatically add 1 or subtract 1 in a Preset Time section, by a button, initial code constantly adds 1 or subtract 1 automatically at a certain time interval.So, only need to press corresponding push switch 29, just can complete easily the modification of initial code.In present embodiment, take from coding FC(11111100) be adapted for coding FB(11111011) be example, need to press hand switch 291 or automatic switch 293 once, can realize the conversion of coding, convenient and swift.
When detecting the output voltage range of described CPU200, a multimeter (not shown) can be connected to CPU200 two ends, user reads the numerical value of multimeter, and according to this numerical evaluation, goes out the operating voltage range of CPU200.In addition, also can be by a preservation module is set on CPU200, in this preservation module storage CPU200, follow the voltage of code change, and according to this voltage, obtain the operating voltage range of CPU200.
Voltage-operated device 100 of the present invention, by using programmable single chip computer 27 and 29 pairs of encoding states of push switch to control, controls thereby facilitate user to change encoding state the voltage that power circuit 150 outputs to CPU200, raises the efficiency.
In addition, those skilled in the art also can do other and change in spirit of the present invention, for designs such as the present invention, as long as it does not depart from technique effect of the present invention and all can.The variation that these are done according to spirit of the present invention, within all should being included in the present invention's scope required for protection.
Claims (9)
1. a voltage-operated device, for control a power circuit output voltage to CPU to test the operating voltage range of this CPU, it is characterized in that, described voltage-operated device comprises:
Power supply unit, is used to described voltage-operated device that operating voltage is provided; And
Coding unit, it comprises a programmable single chip computer and a plurality of paralleling switches that are connected with described programmable single chip computer, a plurality of the first push switch and a plurality of the second push switch, described programmable single chip computer comprises:
Module is set, its for receive user to the operation of described paralleling switch the initial code with coding unit described in typing;
Revise module, it is for the operation to the on off state of described the first push switch according to user, controlling initial code adds continuously a preset value or deducts a described preset value, revise the initial code of described coding unit and revise coding to obtain, and by receiving the on off state of the second push switch, control the keying of described the first push switch; And
Output module, it,, for according to the operation of described modification module, exports the amended coding of described modification module to described power circuit, and changes the operating voltage that power circuit exports CPU to.
2. voltage-operated device as claimed in claim 1, it is characterized in that: described coding unit is connected with described power supply unit by described a plurality of paralleling switches, the described module that arranges, by receiving the operation of user to the on off state of each paralleling switch, arranges the initial code of described coding unit.
3. voltage-operated device as claimed in claim 2, it is characterized in that: described programmable single chip computer comprises a plurality of input ends, a plurality of control end and a plurality of output terminal, the described module that arranges receives from the signal of described input end input, described modification module receives from the signal of described control end input, and described output module is from described output terminal output signal.
4. voltage-operated device as claimed in claim 3, it is characterized in that: described a plurality of input ends are connected with described power supply unit by described a plurality of paralleling switches respectively, described a plurality of control end is connected with described a plurality of first, second push switches respectively, and described a plurality of output terminals are connected with described power circuit.
5. voltage-operated device as claimed in claim 3, is characterized in that: described output terminal is connected with a display unit, and described display unit is comprised of liquid crystal numberal tube, for showing the amended coding of described modification module.
6. voltage-operated device as claimed in claim 5, is characterized in that: described output terminal is connected with described display unit by two demoders.
7. voltage-operated device as claimed in claim 1, it is characterized in that: described the first push switch comprises two hand switches and two automatic switches, when user presses once described hand switch, described modification module adds the above preset value or deducts described preset value on the basis of described initial code or modification coding; When user presses once described automatic switch, described modification module is adding the above preset value or is deducting described preset value continuously on the basis of described initial code or modification coding in a predetermined amount of time.
8. voltage-operated device as claimed in claim 7, is characterized in that: described preset value is 1.
9. voltage-operated device as claimed in claim 1, is characterized in that: described the second push switch comprises switch and a shutdown switch at the beginning, and described beginning switch is for starting described coding unit for user; Described shutdown switch is for stopping the continuous modification of described programmable single chip computer to encoded radio for user.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010136064.6A CN102207742B (en) | 2010-03-30 | 2010-03-30 | Voltage control device |
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| CN201010136064.6A CN102207742B (en) | 2010-03-30 | 2010-03-30 | Voltage control device |
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| CN102207742A CN102207742A (en) | 2011-10-05 |
| CN102207742B true CN102207742B (en) | 2014-01-15 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103107693A (en) * | 2011-11-14 | 2013-05-15 | 鸿富锦精密工业（深圳）有限公司 | Testing power supply device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1244966A (en) * | 1997-02-07 | 2000-02-16 | 诺基亚电信公司 | Output voltage regulation of a power supply module |
| JP3061943B2 (en) * | 1992-05-29 | 2000-07-10 | 静岡日本電気株式会社 | Power control circuit |
| US6691235B1 (en) * | 2000-07-27 | 2004-02-10 | International Business Machines Corporation | Automatic voltage regulation for processors having different voltage requirements and unified or split voltage planes |
| CN1475888A (en) * | 2002-08-14 | 2004-02-18 | 技嘉科技股份有限公司 | CPU working voltage supplying method and circuit |
| CN101191824A (en) * | 2006-11-29 | 2008-06-04 | 鸿富锦精密工业（深圳）有限公司 | Power voltage detecting circuit |
-
2010
- 2010-03-30 CN CN201010136064.6A patent/CN102207742B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3061943B2 (en) * | 1992-05-29 | 2000-07-10 | 静岡日本電気株式会社 | Power control circuit |
| CN1244966A (en) * | 1997-02-07 | 2000-02-16 | 诺基亚电信公司 | Output voltage regulation of a power supply module |
| US6691235B1 (en) * | 2000-07-27 | 2004-02-10 | International Business Machines Corporation | Automatic voltage regulation for processors having different voltage requirements and unified or split voltage planes |
| CN1475888A (en) * | 2002-08-14 | 2004-02-18 | 技嘉科技股份有限公司 | CPU working voltage supplying method and circuit |
| CN101191824A (en) * | 2006-11-29 | 2008-06-04 | 鸿富锦精密工业（深圳）有限公司 | Power voltage detecting circuit |
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Effective date of registration: 20140827 Address after: 037000 Shanxi province Datong Yingbin Road No. 61 Patentee after: DATONG POWER SUPPLY COMPANY OF STATE GRID SHANXI ELECTRIC POWER Co. Address before: 518000 Guangdong city of Shenzhen province Futian District Che Kung Temple Tairan nine road Haisong building B block 1205 Patentee before: Shenzhen Qichuangmei Technology Co.,Ltd. Effective date of registration: 20140827 Address after: 518000 Guangdong city of Shenzhen province Futian District Che Kung Temple Tairan nine road Haisong building B block 1205 Patentee after: Shenzhen Qichuangmei Technology Co.,Ltd. Address before: 518109 Guangdong city of Shenzhen province Baoan District Longhua Town Industrial Zone tabulaeformis tenth East Ring Road No. 2 two Patentee before: HONG FU JIN PRECISION INDUSTRY (SHENZHEN) Co.,Ltd. Patentee before: HON HAI PRECISION INDUSTRY Co.,Ltd. |