CN102129281B - Dynamic regulation circuit and computer system with the same - Google Patents
Dynamic regulation circuit and computer system with the same Download PDFInfo
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- CN102129281B CN102129281B CN201010000916A CN201010000916A CN102129281B CN 102129281 B CN102129281 B CN 102129281B CN 201010000916 A CN201010000916 A CN 201010000916A CN 201010000916 A CN201010000916 A CN 201010000916A CN 102129281 B CN102129281 B CN 102129281B
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Abstract
The invention relates to a dynamic regulation circuit and a computer system with the same. The dynamic regulation circuit comprises a switch judging circuit, a boost up circuit and a step-down circuit, wherein the switch judging circuit inputs a power supply signal, and the boost up circuit and the step-down circuit are respectively in electrical connections with the switch judging circuit; the switch judging circuit judges whether the voltage of the power supply signal is lower than a predetermined value, if so, the voltage of the power supply signal is increased to the predetermined value by the boost up circuit; if the voltage of the power supply signal is higher than the predetermined value, the voltage of the power supply signal is reduced to the predetermined value by the step-down circuit, and the step-down circuit outputs a regulated power supply signal. The dynamic regulation circuit and the computer system with the same can regulate the voltage of the power supply signal input into the computer system to be a voltage value required by a main board, and the required output voltage value can be obtained without changing an adapter.
Description
Technical field
The present invention relates to a kind of dynamic adjustment circuit and have the computer system of dynamic adjustment circuit, particularly a kind of dynamic adjustment circuit of adjusting according to voltage swing and have the computer system of dynamic adjustment circuit.
Background technology
In development in science and technology now, different electronic products possibly design the input voltage of different demands, and for example portions of electronics product requirement input voltage is the effect of 19 volts of ability, and some electronic product then is set at 12 volts.Different thus electronic products just needs different adapters, in order to alternating current is converted into the direct current that meets required voltage.With the notebook computer is example, and the voltage of the power supply signal that the notebook computer of different vendor is required is different.Therefore the notebook computer of different vendor all can be enclosed the adapter that alternating current is converted to different voltages.Just need the adapter that more renew simultaneously and change notebook computer, but old adapter damages not, and all nearly 40000 hours life-span of using of adapter now.But because the voltage of power supply signal of output falls short of specifications, and must old adapter be left unused or abandons.Thus, can cause the waste of resource and the pollution of environment.
In view of this, therefore be necessary to invent a kind of dynamic adjustment circuit to solve the disappearance of prior art.
Summary of the invention
Fundamental purpose of the present invention is a kind of dynamic adjustment circuit to be provided, to have the effect of adjusting according to voltage swing.
Another fundamental purpose of the present invention is that a kind of computer system with dynamic adjustment circuit is being provided.
For reaching above-mentioned purpose, dynamic adjustment circuit of the present invention comprises switching judging circuit, booster circuit and reduction voltage circuit, and switching judging circuit is imported a power supply signal; Booster circuit and switching judging circuit electrically connect; Reduction voltage circuit and switching judging circuit electrically connect; This switching judging circuit comprises: a comparer, this comparer this power supply signal of input and a setting value; One first switch module, this first switch module and this comparer and this booster circuit electrically connect, and connect this power supply signal; And a second switch module, this second switch module and this comparer and this reduction voltage circuit electrically connect, and connect this power supply signal; Wherein this comparer of switching judging circuit judges whether the voltage of power supply signal is lower than setting value; If be lower than setting value; Then this first switch module conducting of this comparer control to be to transmit this power supply signal to this booster circuit, utilize booster circuit with the boost in voltage of power supply signal to setting value; If be higher than setting value, then this this second switch module conducting of comparer control to be to transmit this power supply signal to this reduction voltage circuit, utilize reduction voltage circuit with the voltage step-down of power supply signal to setting value, and export adjusted power supply signal.
Computer system of the present invention comprises adapter, dynamically adjusts circuit and motherboard.Adapter receives ac supply signal to convert power supply signal into.Dynamically adjustment circuit and adapter electrically connect.Dynamically the adjustment circuit comprises switching judging circuit, booster circuit and reduction voltage circuit.Switching judging circuit is imported a power supply signal.Booster circuit and switching judging circuit electrically connect.Reduction voltage circuit and switching judging circuit electrically connect.Wherein switching judging circuit judges whether the voltage of power supply signal is lower than setting value, if be lower than setting value, then utilize booster circuit with the boost in voltage of power supply signal to setting value.If be higher than setting value, then utilize reduction voltage circuit with the voltage step-down of power supply signal to setting value, and export adjusted power supply signal.Motherboard and dynamically adjustment circuit electric connection are in order to receive adjusted power supply signal.
The present invention also provides a kind of computer system with dynamic adjustment circuit, can receive ac supply signal to convert power supply signal into, and this computer system comprises dynamic adjustment circuit, and this is dynamically adjusted circuit and comprises switching judging circuit, imports this power supply signal; Booster circuit electrically connects with switching judging circuit; And reduction voltage circuit, electrically connecting with switching judging circuit, this switching judging circuit comprises: a comparer, this comparer this power supply signal of input and a setting value; One first switch module, this first switch module and this comparer and this booster circuit electrically connect, and connect this power supply signal; And a second switch module, this second switch module and this comparer and this reduction voltage circuit electrically connect, and connect this power supply signal; Wherein this comparer of switching judging circuit judges whether the voltage of power supply signal is lower than setting value; If be lower than setting value; Then this first switch module conducting of this comparer control to be to transmit this power supply signal to this booster circuit, utilize booster circuit with the boost in voltage of power supply signal to setting value; If be higher than setting value, then this this second switch module conducting of comparer control to be to transmit this power supply signal to this reduction voltage circuit, utilize reduction voltage circuit with the voltage step-down of power supply signal to setting value, and export adjusted power supply signal; And motherboard, electrically connect with dynamic adjustment circuit, in order to receive adjusted power supply signal.
The present invention also provides a kind of computer system with dynamic adjustment circuit; Computer system is applicable to the different adapter of grafting output voltage values specification, and adapter is in order to receive ac supply signal to convert power supply signal into, and wherein computer system comprises dynamic adjustment circuit; The input power supply signal; And whether be lower than setting value in order to the voltage of judging power supply signal, if be lower than setting value, then with the boost in voltage of power supply signal to setting value; If be higher than setting value, then with the voltage step-down of power supply signal to setting value, and export adjusted power supply signal; And motherboard, electrically connect with dynamic adjustment circuit, in order to receive adjusted power supply signal.
The present invention can be adjusted to the voltage of the power supply signal that inputs to computer system the required magnitude of voltage of motherboard, and changer adapter just can obtain required output voltage values and do not need more.
Description of drawings
Fig. 1 is the Organization Chart of computer system of the present invention.
Fig. 2 is the circuit distribution plan of dynamic adjustment circuit of the present invention.
Wherein, Reference numeral:
Computer system 1 comparer 21
Dynamically adjust circuit 11 first switch modules 22
Motherboard 13 diodes 24
Switching judging circuit 20 power supply signal V1
Booster circuit 30 setting voltage value V2
Reduction voltage circuit 40
Embodiment
For let above-mentioned and other purposes of the present invention, feature and advantage can be more obviously understandable, the hereinafter spy enumerates specific embodiment of the present invention, and cooperates appended accompanying drawing, elaborates as follows.
Please earlier with reference to figure 1, Fig. 1 is the Organization Chart of computer system of the present invention.
Computer system 1 of the present invention can be a notebook computer, but the present invention is not as limit.Computer system 1 comprises that one dynamically adjusts circuit 11, an adapter (AdaPter) 12 and a motherboard 13.Adapter 12 is in order to receive via the alternating current that socket transmitted, to convert a power supply signal of deciding voltage into.Dynamically adjustment circuit H and adapter 12 electrically connect, to receive the power supply signal of deciding voltage.Dynamically adjustment circuit 11 is judged according to the voltage of power supply signal; Voltage adjustment with its power supply signal accords with a setting value; Wherein setting value is the WV that can receive when computer system 1 is operated, and has corresponding setting value according to the computer system of different size.To through at last and boosting or the adjusted power supply signal of step-down exports motherboard 13 to.The voltage of power supply signal that for example will be originally too high or too low is adjusted to required 19 volts of motherboard 13, for the use of the electronic package on the motherboard 13.
Dynamically adjustment circuit H comprises that one switches decision circuitry 20, a booster circuit 30 and a reduction voltage circuit 40.Above-mentioned circuit all can utilize integrated circuit respectively, and (Integrated Circuit, IC) institute's framework forms, but the present invention is not as limit.
Switching judging circuit 20 electrically connects with booster circuit 30 and reduction voltage circuit 40; Compare according to the voltage of power supply signal and the size of setting value; Decision will switch to that booster circuit 30 boosts or reduction voltage circuit 40 carries out step-down, to meet the setting of motherboard 13.Booster circuit 30 promotes in order to the low excessively voltage with original power supply signal, and reduction voltage circuit 40 reduces in order to the too high voltage with original power supply signal, to export adjusted power supply signal.Because the mode of the voltage of booster circuit 30 and reduction voltage circuit 40 adjustment is widely used by those skilled in the art, so in this its principle that repeats no more.
Then please refer to Fig. 2, Fig. 2 is the circuit distribution plan of dynamic adjustment circuit of the present invention.
Switching judging circuit 20 of the present invention comprises a comparer 21, one first switch module 22, a second switch module 23 and a diode 24, electrically connects mutually each other.Wherein first switch module 22 and second switch module 23 are metal oxide semiconductor transistor, but the present invention is not as limit.Comparer 21 is imported power supply signal V1 and setting voltage value V2 simultaneously, in order to the voltage of judgement power supply signal V1 and the size of setting voltage value V2.In the present embodiment, setting voltage value V2 is 19 volts, but the present invention is not as limit.
When the voltage of judging power supply signal V1 during less than setting voltage value V2, comparer 21 outputs one noble potential; And when the voltage of judging power supply signal V1 during greater than setting voltage value V2, comparer 21 outputs one electronegative potential.First switch module 22 and second switch module 23 are imported power supply signal Vl simultaneously, and first switch module 22 is connected to booster circuit 30, and second switch module 23 is connected to reduction voltage circuit 40.Switching judging circuit 20 has also comprised diode 24, and diode 24 is series at the circuit between the comparer 21 and first switch module 22 in the present embodiment, but the present invention is not as limit.Switching judging circuit 20 is according to forward conducting of diode 24, and the characteristic of backward stop is able to utilize the mode of the high electronegative potential of output in order to confirm comparer 21, to control first switch module 22 and second switch module 23 respectively.
Below be N type metal oxide semiconductor transistor with first switch module 22; And second switch module 23 is that example is explained in more detail for the P-type mos transistor, but the present invention's first switch module 22 and second switch module 23 are not exceeded with above-mentioned assembly.
At first comparer 21 is imported power supply signal V1 and setting voltage value V2 simultaneously.When judging power supply signal V1 less than setting voltage value V2, comparer 21 output noble potentials are to be sent to first switch module 22 through diode 24.By N type metal oxide semiconductor characteristics of transistor, i.e. may command first switch module 22 conductings to be transmitting power supply signal V1, and let second switch module 23 end.Thus, power supply signal can be sent to booster circuit 30 via first switch module 22 and boosts.
And when judging power supply signal V1 greater than setting voltage value V2, comparer 21 output electronegative potentials are to be sent to second switch module 23.By the P-type mos characteristics of transistor, i.e. may command second switch module 23 conductings to be transmitting power supply signal Vl, and let first switch module 22 end.Thus, power supply signal V1 is sent to reduction voltage circuit 40 and carries out step-down.
Therefore utilize the switch module of above-mentioned different qualities, promptly can avoid conducting first switch module 22 and second switch module 23 simultaneously.
Utilize above-mentioned dynamic adjustment circuit 11; Even when computer system has been installed the different adapter 12 of output voltage values specification; The voltage of the power supply signal V1 that still can be exported according to adapter 12 is judged; The voltage of the power supply signal V1 that inputs to computer system 1 is adjusted to the required magnitude of voltage of motherboard 13, and changer adapter 12 just can obtain required output voltage values and do not need more.
To sum up institute is old, and no matter the present invention everywhere all shows it totally different in the characteristic of known technology with regard to purpose, means and effect, earnestly asks the auditor to perceive, and grants quasi patent early, makes Jiahui society, and the true feeling moral just.Only it should be noted that above-mentioned many embodiment give an example for the ease of explanation, the present invention's interest field required for protection should be as the criterion so that the scope of claims is said naturally, but not only limits to the foregoing description.
Claims (6)
1. dynamically adjust circuit for one kind, comprising:
One switches decision circuitry, and this switching judging circuit is imported a power supply signal;
One booster circuit, this booster circuit and this switching judging circuit electrically connect; And
One reduction voltage circuit, this reduction voltage circuit and this switching judging circuit electrically connect;
This switching judging circuit comprises:
One comparer, this comparer this power supply signal of input and a setting value;
One first switch module, this first switch module and this comparer and this booster circuit electrically connect, and connect this power supply signal; And
One second switch module, this second switch module and this comparer and this reduction voltage circuit electrically connect, and connect this power supply signal;
Wherein this comparer of this switching judging circuit judges whether a voltage of this power supply signal is lower than this setting value; If be lower than this setting value; Then this first switch module conducting of this comparer control to be to transmit this power supply signal to this booster circuit, utilize this booster circuit with this boost in voltage of this power supply signal to this setting value; If be higher than this setting value, then this this second switch module conducting of comparer control to be to transmit this power supply signal to this reduction voltage circuit, utilize this reduction voltage circuit with this voltage step-down of this power supply signal to this setting value, and export an adjusted power supply signal.
2. dynamic adjustment circuit as claimed in claim 1, wherein this first switch module be selected from be a metal oxide semiconductor transistor or a N type metal oxide semiconductor transistorized the two one of.
3. dynamic adjustment circuit as claimed in claim 2, wherein this second switch module be selected from be a metal oxide semiconductor transistor or a P-type mos transistorized the two one of.
4. the computer system with dynamic adjustment circuit can receive an ac supply signal to convert a power supply signal into, and this computer system comprises:
One dynamically adjusts circuit, and this is dynamically adjusted circuit and comprises:
One switches decision circuitry, this this power supply signal of switching judging circuit input;
One booster circuit, this booster circuit and this switching judging circuit electrically connect; And
One reduction voltage circuit, this reduction voltage circuit and this switching judging circuit electrically connect;
This switching judging circuit comprises:
One comparer, this comparer this power supply signal of input and a setting value;
One first switch module, this first switch module and this comparer and this booster circuit electrically connect, and connect this power supply signal; And
One second switch module, this second switch module and this comparer and this reduction voltage circuit electrically connect, and connect this power supply signal;
Wherein this comparer of this switching judging circuit judges whether a voltage of this power supply signal is lower than this setting value; If be lower than this setting value; Then this first switch module conducting of this comparer control to be to transmit this power supply signal to this booster circuit, utilize this booster circuit with this boost in voltage of this power supply signal to this setting value; If be higher than this setting value, then this this second switch module conducting of comparer control to be to transmit this power supply signal to this reduction voltage circuit, utilize this reduction voltage circuit with this voltage step-down of this power supply signal to this setting value, and export an adjusted power supply signal; And
One motherboard, this motherboard and dynamically adjustment circuit electric connection are in order to receive this adjusted power supply signal.
5. the computer system with dynamic adjustment circuit as claimed in claim 4, wherein this first switch module be selected from be a metal oxide semiconductor transistor or a N type metal oxide semiconductor transistorized the two one of.
6. the computer system with dynamic adjustment circuit as claimed in claim 5, wherein this second switch module be selected from be a metal oxide semiconductor transistor or a P-type mos transistorized the two one of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010000916A CN102129281B (en) | 2010-01-20 | 2010-01-20 | Dynamic regulation circuit and computer system with the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010000916A CN102129281B (en) | 2010-01-20 | 2010-01-20 | Dynamic regulation circuit and computer system with the same |
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| CN102129281A CN102129281A (en) | 2011-07-20 |
| CN102129281B true CN102129281B (en) | 2012-09-19 |
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| CN201010000916A Active CN102129281B (en) | 2010-01-20 | 2010-01-20 | Dynamic regulation circuit and computer system with the same |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103034310B (en) * | 2011-09-29 | 2016-08-03 | 国网山东省电力公司莒县供电公司 | Electric power system |
| TWI462430B (en) * | 2012-02-02 | 2014-11-21 | Wistron Corp | Power management system |
| CN102692967B (en) * | 2012-05-14 | 2014-04-23 | 江苏中科梦兰电子科技有限公司 | Computer mainboard circuit capable of supporting various power adapters |
| TWI503657B (en) * | 2012-12-27 | 2015-10-11 | Giga Byte Tech Co Ltd | Motherboard and method for power control thereof |
| CN109410868B (en) * | 2018-12-06 | 2020-10-16 | 深圳市华星光电半导体显示技术有限公司 | Display panel driving device |
| CN112583102A (en) * | 2019-09-27 | 2021-03-30 | 恒为科技（上海）股份有限公司 | Uninterruptible power supply and charge-discharge control method |
| TWI714310B (en) * | 2019-10-14 | 2020-12-21 | 緯創資通股份有限公司 | Power control method and related charging system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101135926A (en) * | 2006-08-29 | 2008-03-05 | 中兴通讯股份有限公司 | Data card self-adapting power supply method and system |
| CN101281415A (en) * | 2007-04-06 | 2008-10-08 | 上海摩飞电子科技有限公司 | Method for regulating dynamic voltage frequency in power supply management technique |
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- 2010-01-20 CN CN201010000916A patent/CN102129281B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101135926A (en) * | 2006-08-29 | 2008-03-05 | 中兴通讯股份有限公司 | Data card self-adapting power supply method and system |
| CN101281415A (en) * | 2007-04-06 | 2008-10-08 | 上海摩飞电子科技有限公司 | Method for regulating dynamic voltage frequency in power supply management technique |
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| CN102129281A (en) | 2011-07-20 |
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