CN102207742A - Voltage control device - Google Patents
Voltage control device Download PDFInfo
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- CN102207742A CN102207742A CN2010101360646A CN201010136064A CN102207742A CN 102207742 A CN102207742 A CN 102207742A CN 2010101360646 A CN2010101360646 A CN 2010101360646A CN 201010136064 A CN201010136064 A CN 201010136064A CN 102207742 A CN102207742 A CN 102207742A
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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
Usually be provided with power supply output control chip (as Intersil6333) on the computer main board, described control chip has a plurality of lines of codes, and mainboard is by the corresponding power supply voltage supplying CPU of corresponding encoded output of line of codes.Yet,, need coding and then change output voltage by revising line of codes in order to test the operating voltage range of CPU.
Existing modification Methods for Coding is generally utilizes jumping cap switch or single-pole double-throw switch (SPDT) that the break-make of line of codes is controlled.Concrete, need earlier with the jumping cap switch of correspondence or single-pole double-throw switch (SPDT) by wire bonds to motherboard power supply control chip pin, revise the jumping cap corresponding or the state of switch again with line of codes.When this method is encoded in each modification, all need plug jumping cap or toggle switch to finish, because cap or all more difficult worker's operation of toggle switch are jumped in plug, especially when the transfer process of two codings is complicated, for example be adapted for coding FB (11110111) from coding FC (11111010), the middle need successively is revised as two kinds of transition states of F8, F9 with FC earlier, be converted to the FB state from F9 again, make operating cycle and operation easier increase greatly, and cause computer crash easily, reduce work efficiency.
Summary of the invention
The present invention provides a kind of voltage-operated device of increasing work efficiency.
A kind of voltage-operated device, be used to 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 first push switch and a plurality of second push switch.Described programmable single chip computer comprises: module is set, and it is used to receive the user to the operation of the described paralleling switch initial code with the described coding unit of typing; Revise module, it is used for the operation to the on off state of described first push switch according to the user, the control initial code adds a preset value continuously or deducts a described preset value, revise the initial code of described coding unit and encode, and control the keying of described first push switch by the on off state that receives second push switch to obtain to revise; And the output module, it is used for the operation according to 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 is controlled encoding state by using programmable single chip computer and push switch, thereby makes things convenient for the user to change the voltage that encoding state control power circuit outputs to CPU, raises the efficiency.
Description of drawings
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.
The main element symbol description
Voltage-operated device 100
Revise module 23
Programmable single chip computer 27
Beginning switch 295
Demoder 28
Embodiment
See also Fig. 1, the voltage-operated device 100 that embodiment of the present invention provides is used to control a power circuit 150 output voltages to CPU 200, to test the operating voltage range of this CPU 200.In the present embodiment, described power circuit 150 is integrated on the mainboard (figure does not show), and described CPU 200 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 current power 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 the present embodiment, the quantity of described paralleling switch 101 is 8.Be appreciated that described paralleling switch 101 can use jumper switch, single-pole double-throw switch (SPDT) or push switch, the quantity of described paralleling switch 101 also is not limited to 8, can be 4,16 or other numerical value.
See also Fig. 2, described coding unit 20 is used to receive the output voltage of described power supply unit 10, and the initial code that is provided with of typing user manual mode and, and change the output voltage of described power circuit 150 according to amended coding to the modification of initial code.Concrete, described coding unit 20 comprises and module 21 is set, revises module 23 and output module 25.In the 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 being provided with is integrated in the described programmable single chip computer 27.
The described module 21 that is provided with is used to receive user's the operation and the initial code of the described coding unit 20 of typing.In the present embodiment, described initial code is the acquiescence coding of described mainboard, its operating voltage during corresponding to CPU 200 initialization, and it can be provided with according to the CPU200 of different model.In the present embodiment, the described module 21 that is provided with 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 that is provided with passes through to receive the manual setting of user to the on off state of each paralleling switch 101, and is provided with the initial code of the described coding unit 20 of typing according to this.For example, the off-state of supposing each switch 101 is 1, and closure state is 0, and then when 11111010 states appear in the combination of paralleling switch 101, but this is provided with module 21 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 is by receiving the operation of user to the on off state of each push switch 29, and the initial code of revising described coding unit 20 is to obtain to revise coding.Described push switch 29 comprises a plurality of first push switches and a plurality of second push switch.Described modification module 23 is according to the operation of user to first push switch, controls described initial code and adds preset value continuously or deduct described preset value and obtain described modification coding.In the present embodiment, described preset value is 1.Be appreciated that described preset value can also be for 2 or greater than 2 integer.Concrete, described first push switch comprises two hand switches 291 and two automatic switches 293, described second push switch comprises a switch 295 and a shutdown switch 297 at the beginning.Described two hand switches 291 are respectively applied for to produce and send and add 1 signal or subtract 1 signal to described programmable single chip computer 27, and when the user pushed once described hand switch 291, the described initial code of described programmable single chip computer 27 controls added 1 or subtract 1; Described two automatic switches 293 are respectively applied for to produce and send and add 1 signal automatically or subtract 1 signal automatically to described programmable single chip computer 27, when the user pushed once described automatic switch 293, the described initial code of described programmable single chip computer 27 controls was with a preset frequency, promptly add 1 or subtract 1 continuously every a predetermined amount of time; Described beginning switch 295 is used for starting described coding unit 20 for the user; Described shutdown switch 297 is used 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 the user.
Be appreciated that the predeterminated frequency of working as automatic switch 293 is higher, and the coding modification process more in short-term, can make amendment by independent use hand switch 291, also can finely tune in conjunction with 291 pairs of codings of hand switch by using, to improve precision; When the predeterminated frequency of automatic switch 293 is lower, and the coding modification process can use automatic switch 293 to make amendment, to save time and to increase work efficiency when longer.
Described output module 25 is used for the signal according to described modification module 23, and the modification of described coding unit 20 is encoded exports described power circuit 150 to.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 was worked, described output terminal 275 transferred to described power circuit 150 continuously with described modification module 23 amended codings.In addition, in order to watch encoding state easily and intuitively, the output terminal 275 of described programmable single chip computer 27 also is 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 the present embodiment, described display unit 30 is made up 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 the mainboard 150 is connected between the output terminal 275 and CPU 200 of programmable single chip computer 27, and opens the power supply unit 10 of voltage-operated device 100.The module 21 that is provided with of programmable single chip computer 27 receives the operation of user to paralleling switch 101, and the described initial code of typing.After the user pushes beginning switch 295, further revise initial code by other first push switches of operation.For example, begin to push hand switch 291 one time, make initial code add 1 or subtract 1, and when continuing to push this hand switch 291, initial code then can continue to add 1 or subtract 1; When beginning to push automatic switch 293, revise module 23 control initial code and continue in a Preset Time section, adding 1 or subtract 1 automatically, promptly by a button, initial code constantly adds 1 or subtract 1 automatically at a certain time interval.So, only need push corresponding push switch 29, just can finish the modification of initial code easily.In the present embodiment, be example, need push hand switch 291 or automatic switch 293 once, can realize the conversion of encoding to be adapted for coding FB (11110111) from coding FC (11111010), convenient and swift.
When detecting the output voltage range of described CPU 200, a multimeter (figure does not show) can be connected CPU 200 two ends, the user reads the numerical value of multimeter, and goes out the operating voltage range of CPU 200 according to this numerical evaluation.In addition, also can preserve module, follow the voltage of code change among this preservation module storage CPU 200, and obtain the operating voltage range of CPU 200 according to this voltage by on CPU 200, being provided with one.
Voltage-operated device 100 of the present invention by using 29 pairs of encoding state controls of programmable single chip computer 27 and push switch, is controlled the voltage that power circuit 150 outputs to CPU 200 thereby make things convenient for the user to change encoding state, raises the efficiency.
In addition, those skilled in the art also can do other variation in spirit of the present invention, wait design to be used for 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 all should be included within the present invention's scope required for protection.
Claims (9)
1. voltage-operated device, be used to 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 first push switch and a plurality of second push switch, described programmable single chip computer comprises:
Module is set, and it is used to receive the user to the operation of the described paralleling switch initial code with the described coding unit of typing;
Revise module, it is used for the operation to the on off state of described first push switch according to the user, the control initial code adds a preset value continuously or deducts a described preset value, revise the initial code of described coding unit and encode, and control the keying of described first push switch by the on off state that receives second push switch to obtain to revise; And
The output module, it is used for the operation according to 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 is provided with is provided with the initial code of described coding unit by receiving the operation of user to the on off state of each paralleling switch.
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 is provided with 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 input end is 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 made up of liquid crystal numberal tube, is used to show 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 first push switch comprises two hand switches and two automatic switches, when the user pushed once described hand switch, described modification module added the above preset value or deducts described preset value on the basis of described initial code or modification coding; When the user pushed once described automatic switch, described modification module was 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 second push switch comprises a switch and a shutdown switch at the beginning, and described beginning switch is used for starting described coding unit for the user; Described shutdown switch is used for stopping the continuous modification of described programmable single chip computer to encoded radio for the user.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010136064.6A CN102207742B (en) | 2010-03-30 | 2010-03-30 | Voltage control device |
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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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| CN102207742A true CN102207742A (en) | 2011-10-05 |
| CN102207742B CN102207742B (en) | 2014-01-15 |
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| CN201010136064.6A Active CN102207742B (en) | 2010-03-30 | 2010-03-30 | Voltage control device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| CN102207742B (en) | 2014-01-15 |
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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. |