CN201270474Y - Electricity power supply having intermittent heat radiation function - Google Patents
Electricity power supply having intermittent heat radiation function Download PDFInfo
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- CN201270474Y CN201270474Y CNU2008201326465U CN200820132646U CN201270474Y CN 201270474 Y CN201270474 Y CN 201270474Y CN U2008201326465 U CNU2008201326465 U CN U2008201326465U CN 200820132646 U CN200820132646 U CN 200820132646U CN 201270474 Y CN201270474 Y CN 201270474Y
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- 230000005855 radiation Effects 0.000 title description 7
- 230000005611 electricity Effects 0.000 title 1
- 230000009183 running Effects 0.000 claims abstract description 6
- 238000006243 chemical reaction Methods 0.000 claims description 15
- 230000000737 periodic effect Effects 0.000 claims description 15
- 230000017525 heat dissipation Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 8
- 230000008901 benefit Effects 0.000 description 3
- 239000011469 building brick Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008034 disappearance Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000009194 climbing Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
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- 230000002045 lasting effect Effects 0.000 description 1
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Abstract
The utility model relates to a power supply with an intermittent heat dissipation function, which is provided with at least an electric switching unit to get alternating current power supplied by a power source and convert into direct current power to output, the direct current power is output to a fan driving circuit to drive an exhaust fan to rotate. A time sequence control unit is electrically connected on a direct current power circuit between the electric switching unit and the exhaust fan, the time sequence control unit outputs an on-off interval signal to the direct current electric circuit, and the direct current electric circuit is led to have a driving state of driving the exhaust fan and a closing state for stopping driving the exhaust fan, and the exhaust fan is led to have an accelerating step for increasing rotary speed under the driving state, and a decelerating state for lowering rotary speed under the closing state. And therefore, the exhaust fan intermittently rotates, which effectively reduces noise generated when the power supply is running, and improves the output power efficiency of the power supply.
Description
Technical field
The utility model relates to a kind of power supply unit, refers to a kind of power supply unit with radiator fan especially.
Background technology
Along with the number and the usefulness of inside computer system electronic building brick promotes gradually, provide the needed bearing power of power supply unit (power supply unit) in source also constantly to raise as computer system electric power.Power supply unit is that main thermal source produces one of survivor in the computer system, for keeping the normal operation of power supply unit, make it can not cause damaging or reducing its life-span, generally can dispose at least one radiator fan and stagnate in power supply unit inside to avoid heat energy because of the heat energy that in carrying out high power power conversions process, is generated.The operating mode of radiator fan, except the traditional mode that the continuation rotation is provided, also develop in recent years and and to change the technology of radiating fan rotation speed along with electronic building brick variation of temperature or power supply load state, as TaiWan, China M290269 number, M292727 number, M255636 number, I232080 number, I291609 number No. 200415978, No. 200506589 and No. 200537277 patent case, and U.S. US6,725, No. 132, US6,735, No. 499, US6,873, No. 883, US6,954, No. 684, US7,075, No. 261, US7,092, No. 623, US7,098, No. 617 and US7,211, No. 977 patent cases make radiator fan provide preferable radiating effect in response to different situations.
Though radiator fan is the considerable radiating mode of present power supply unit, when turning round, radiator fan work can produce low frequency and lasting noise.In addition, when needing only the power supply unit running, the radiator fan gesture still continues to rotate heat radiation and consumption constant power, and when being low load by it, the constant power that radiator fan consumed obviously reduces the power usefulness of whole power supply unit output.Under the trend of day by day stressing at present energy-conservation and environmental protection, aforementioned radiator fan obviously is not the Perfected process that provides the power supply unit heat radiation for.Known to TaiWan, China M252064 number, M257087 number, M276271 number and M328610 patent case, disclose the power supply unit of multiple no radiator fan.The power supply unit of these no radiator fans, the heat energy that is produced when operating for the power supply unit that can scatter and disappear generally is equiped with passive heat radiation members such as a large amount of radiating fins, heat pipe, radiating block.Though not having the power supply unit of radiator fan has removed the possibility of radiator fan generation noise fully and has reached quiet effect, and power supply unit can be before output power, just the electric power of a great deal of is expended, and reduction power output usefulness, but the radiating efficiency of aforementioned passive heat radiation member is starkly lower than the radiating efficiency of radiator fan, can't satisfy the required radiating effect of high capacity power supply unit thus, also therefore limit to range of application.
The utility model content
Main purpose of the present utility model, be to make power supply unit with radiator fan when running except having excellent originally radiating efficiency, also can reach power output usefulness quiet and that improve power supply unit.For reaching above-mentioned purpose, the utility model provides a kind of intermittently power supply unit of heat sinking function that possesses, at least have a power conversion unit with the alternating electromotive force obtaining an electric power source and provided and be converted to direct current power output, this direct current power exports a fan drive circuit to drive radiator fan running.Power in this power conversion unit and direct current power circuit between this radiator fan and to be connected a sequential control unit, this timing control unit output one opens and closes periodic signal to this direct current power circuit, make this direct current power circuit have the closed condition that a driving condition and that drives this radiator fan ends to drive this radiator fan, making this radiator fan possess one increases down the boost phase of rotating speed in driving condition, and one descends the slow-revving decelerating phase in closed condition.
Wherein, this keying periodic signal exports between this fan drive circuit, this power conversion unit and this fan drive circuit or on the direct current power circuit between this fan drive circuit and this radiator fan.This power conversion unit is the main electric power system of this power supply unit or is standing electric power system.And include in this timing control unit a pulse wave produce circuit and one-period control circuit, this pulse wave produces circuit period property generation one control pulse wave to this cycle control circuit, make this cycle control circuit export this keying periodic signal and give this fan drive circuit, to control the rotary state of this radiator fan.In addition, this sequential control circuit also can be by connecting setup unit distance when determining the keying of this keying periodic signal except can built-in default keying periodic signal, the frequency that this radiator fan is intermittently rotated can be in response to different situations the adjustment period.
The utility model possesses the intermittently power supply unit of heat sinking function, and its characteristics are:
1. this radiator fan is to rotate heat radiation in intermittent mode, effectively reduces the generation of noise, and significantly reduces the use power of radiator fan, to promote the power output usefulness of whole power supply unit, reduces unnecessary power wastage.
2. in addition, radiator fan has excellent radiating efficiency, can satisfy the radiating requirements of high power power supply.
3. the utility model advantage of possessing the power supply unit with radiator fan simultaneously and not having the power supply unit of radiator fan also overcomes the disappearance that both have respectively simultaneously.
Description of drawings
Fig. 1 is that the utility model possesses the intermittently circuit box schematic diagram of power supply unit one preferred embodiment of heat sinking function.
Fig. 2 is that the utility model possesses the intermittently circuit box schematic diagram of another embodiment of power supply unit of heat sinking function.
Fig. 3 is the work period schematic diagram that the utility model possesses direct current power circuit output DC power in power supply unit one preferred embodiment of heat sinking function intermittently.
Fig. 4 is the working speed schematic diagram that the utility model possesses radiator fan in power supply unit one preferred embodiment of heat sinking function intermittently.
Embodiment
Relevant detailed description of the present utility model and technology contents now cooperate schematic view illustrating as follows:
See also shown in Figure 1, it is the circuit box schematic diagram of the utility model one preferred embodiment, as shown in the figure: the utility model is a kind of intermittently power supply unit of heat sinking function that possesses, at least have a power conversion unit 11 with the alternating electromotive force obtaining an electric power source 20 and provided and be converted to direct current power output, this direct current power exports a fan drive circuit 12 to drive a radiator fan 13 runnings.Power in this power conversion unit 11 and direct current power circuit between this radiator fan 13 and to be connected a sequential control unit 14, these timing control unit 14 outputs one open and close periodic signal to this direct current power circuit, make this direct current power circuit have the closed condition that a driving condition and that drives this radiator fan 13 ends to drive this radiator fan 13, making this radiator fan 13 possess one increases down the boost phase of rotating speed in driving condition, and one descends the slow-revving decelerating phase in closed condition.
Wherein, diverse location on exportable this direct current power circuit of the keying periodic signal that this timing control unit 14 is produced, as export this fan drive circuit 12 to, export between this power conversion unit 11 and this fan drive circuit 12 or export direct current power circuit between this fan drive circuit 12 and this radiator fan 13 to.
See also shown in Figure 2, it is the circuit box schematic diagram of another embodiment of the utility model, as shown in the figure: with the power supply unit that is disposed in the computer system is example, this power conversion unit 11 includes a main electric power system and a standing electric power system, this main electric power system and this standing electric power system electrical ties are in an electric power source 20 (as civil power), this main electric power system output DC power under this computer system power-on state is supplied each electronic building brick of this inside computer system (motherboard for example, Winchester disk drive, CD-ROM drive ... etc.) operate, this standing electric power system then for continuation output low-voltage direct electric power (+5V).In present embodiment, this timing control unit 14 include a pulse wave produce circuit 141 and one-period control circuit 142.In present embodiment, this pulse wave produces circuit 141 and periodically produces a control pulse wave to this cycle control circuit 142, make these cycle control circuit 142 these keying periodic signals of output give this fan drive circuit 12, make the fan drive circuit 12 on this direct current power circuit alternately enter this driving condition or this closed condition, be in boost phase or decelerating phase to regulate and control this radiator fan 13 according to this keying periodic signal.This pulse wave produce circuit 141 can in build up default this control pulse wave that sends, perhaps this pulse wave produces circuit 141 and is connected to a setup unit 15 and produces corresponding control pulse wave in order to control, distance when determining the keying of these cycle control circuit 142 these keying periodic signals of output.The user can be by multiple kenel the keying of setup unit 15 decision operations the time distance, as be arranged at control switch on power supply unit surface or the computer housing, it perhaps is the input interface (as keyboard or mouse) of computer system, perhaps be one can carry out wireless remote control device of Remote etc. to this sequential control circuit 14, change the alternating frequency of these fan drive circuit 12 driving conditions and closed condition thus, make this fan drive circuit 12 be able to drive radiator fan 13 and rotate according to the different demand of user.
Fig. 3 and Fig. 4, be respectively the work period schematic diagram and the radiator fan working speed schematic diagram of direct current power circuit output DC power in the utility model one preferred embodiment, and it is shown in Figure 1 to arrange in pairs or groups: the work period of direct current power V closes cycle P2 by a drive cycle P1 and and is formed in this direct current power circuit, this drive cycle P1 and this are closed cycle P2 and are hocketed, and make this direct current power circuit have a driving condition and a closed condition.In this drive cycle P1, the direct current power V that is provided from this power conversion unit 11 is provided this fan drive circuit 12, and at this moment, this fan drive circuit 12 is in driving condition.Fan drive circuit 12 under the driving condition drives the radiator fan 13 of rear end with the direct current power V that received, makes this radiator fan 13 enter boost phase R1, and this moment, this radiator fan 13 was rotating speed S1.When this fan drive circuit 12 is finished this drive cycle P1, then enter and close cycle P2.Fan drive circuit 12 under the closed condition is output DC power V and end to drive the radiator fan 13 of rear end not.Drive because this radiator fan 13 fails to be subjected to direct current power V, this moment, 13 of this radiator fans entered decelerating phase R2.Because being subjected to direct current power V, this radiator fan 13 do not drive, at this moment, this radiator fan 13 is rotating speed S2, and the climbing that the rate of descent of decelerating phase R2 rotating speed S2 quickens the section of connecing R1 rotating speed S1 is high, that is to say that the time of the time of decelerating phase R2 than boost phase R1 is weak point.In addition, the rotating speed S2 in this decelerating phase R2 end can be one and slow-revvingly treats fast rotating speed, even can be zero rotating speed S3.In present embodiment, this radiator fan 13 is reduced to zero rotating speed S3 with its rotating speed S2 under the closed condition of fan drive circuit 12, make this radiator fan 13 reach the adjourning R3 that shuts down.After this fan drive circuit 12 is finished this and is closed cycle P2, then enter drive cycle P1 next time again, make this radiator fan 13 reach the purpose of intermittently rotating.
In sum, the utility model possess in the power supply unit of heat sinking function intermittently by a sequential control circuit regulate and control fan drive circuit whether input dc power power give the radiator fan of rear end, make the work that is able to hocket of this radiator fan, and reach the purpose of intermittently rotating in a boost phase and between the decelerating phase.Compared to the radiator fan that tradition only can continue to rotate, the utility model is the generation of noise-decreasing significantly, and reduces the required electric power that expends of radiator fan originally, to promote the power output usefulness of whole power supply unit.On the other hand, the utility model can be reached the advantage of the power supply unit of no radiator fan, and the power supply unit that can not have radiator fan again has better radiating efficiency, is satisfied the heat radiation requirement of high power power supply.Thus, the advantage that the utility model possesses the power supply unit with radiator fan simultaneously and do not have the power supply unit of radiator fan also overcomes the disappearance that both have respectively simultaneously.
Below the utility model is described in detail, only the above person only is a preferred embodiment of the present utility model, when not limiting the scope that the utility model is implemented.Be that all equalizations of doing according to the utility model claim change and modify etc., all should still belong in the patent covering scope of the present utility model.
Claims (9)
1. one kind possesses the intermittently power supply unit of heat sinking function, at least has a power conversion unit (11) with the alternating electromotive force obtaining an electric power source (20) and provided and be converted to direct current power output, described direct current power exports a fan drive circuit (12) to drive a radiator fan (13) running, it is characterized in that
Power in described power conversion unit (11) and direct current power circuit between the described radiator fan (13) and to be connected a sequential control unit (14), described timing control unit (14) output one opens and closes periodic signal to described direct current power circuit, make described direct current power circuit have the closed condition that a driving condition and that drives described radiator fan (13) ends to drive described radiator fan (13), making described radiator fan (13) possess one increases down the boost phase (R1) of rotating speed in driving condition, and one descends the slow-revving decelerating phase (R2) in closed condition.
2. the power supply unit that possesses the heat sinking function at intermittence according to claim 1 is characterized in that described keying periodic signal exports described fan drive circuit (12) to.
3. the power supply unit that possesses the heat sinking function at intermittence according to claim 1 is characterized in that described keying periodic signal exports the direct current power circuit between described power conversion unit (11) and the described fan drive circuit (12) to.
4. the power supply unit that possesses the heat sinking function at intermittence according to claim 1 is characterized in that described keying periodic signal exports the direct current power circuit between described fan drive circuit (12) and the described radiator fan (13) to.
5. the power supply unit that possesses the heat sinking function at intermittence according to claim 1 is characterized in that described power conversion unit (11) is the main electric power system of described power supply unit.
6. the power supply unit that possesses the heat sinking function at intermittence according to claim 1 is characterized in that described power conversion unit (11) is the standing electric power system of described power supply unit.
7. the power supply unit that possesses the heat sinking function at intermittence according to claim 1 is characterized in that, described timing control unit (14) includes a pulse wave and produces circuit (141) and one-period control circuit (142).
8. according to claim 1 possess the intermittently power supply unit of heat sinking function, it is characterized in that, described timing control unit (14) also connect one when determining that described keying periodic signal opens and closes the setup unit (15) of distance.
9. the power supply unit that possesses the heat sinking function at intermittence according to claim 1 is characterized in that described radiator fan (13) also possesses an adjourning that shuts down (R3) under closed condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201326465U CN201270474Y (en) | 2008-08-13 | 2008-08-13 | Electricity power supply having intermittent heat radiation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201326465U CN201270474Y (en) | 2008-08-13 | 2008-08-13 | Electricity power supply having intermittent heat radiation function |
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| Publication Number | Publication Date |
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| CN201270474Y true CN201270474Y (en) | 2009-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2008201326465U Expired - Fee Related CN201270474Y (en) | 2008-08-13 | 2008-08-13 | Electricity power supply having intermittent heat radiation function |
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| CN (1) | CN201270474Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105573386A (en) * | 2016-01-08 | 2016-05-11 | 河南机电高等专科学校 | Woodcarving storage and display apparatus, and preservation and display method thereof |
| CN105843344A (en) * | 2015-01-12 | 2016-08-10 | 华硕电脑股份有限公司 | Electronic device and heat dissipation method for electronic device |
| US10185377B2 (en) | 2015-01-12 | 2019-01-22 | Asustek Computer Inc. | Heat dissipation method and electronic device using the same |
| CN111894884A (en) * | 2020-07-10 | 2020-11-06 | 上海沪工焊接集团股份有限公司 | Fan control method suitable for arc welding power supply, storage medium and arc welding power supply |
-
2008
- 2008-08-13 CN CNU2008201326465U patent/CN201270474Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105843344A (en) * | 2015-01-12 | 2016-08-10 | 华硕电脑股份有限公司 | Electronic device and heat dissipation method for electronic device |
| US10185377B2 (en) | 2015-01-12 | 2019-01-22 | Asustek Computer Inc. | Heat dissipation method and electronic device using the same |
| CN105843344B (en) * | 2015-01-12 | 2020-03-17 | 华硕电脑股份有限公司 | Electronic device and heat dissipation method thereof |
| CN105573386A (en) * | 2016-01-08 | 2016-05-11 | 河南机电高等专科学校 | Woodcarving storage and display apparatus, and preservation and display method thereof |
| CN105573386B (en) * | 2016-01-08 | 2017-10-20 | 河南机电高等专科学校 | The preservation exhibiting device and its preservation methods of exhibiting of a kind of woodcarving |
| CN111894884A (en) * | 2020-07-10 | 2020-11-06 | 上海沪工焊接集团股份有限公司 | Fan control method suitable for arc welding power supply, storage medium and arc welding power supply |
| CN111894884B (en) * | 2020-07-10 | 2023-11-03 | 上海沪工焊接集团股份有限公司 | Fan control method suitable for arc welding power supply, storage medium and arc welding power supply |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090708 Termination date: 20150813 |
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| EXPY | Termination of patent right or utility model |