CN200989319Y - Fan voltage-stabilizing controller - Google Patents
Fan voltage-stabilizing controller Download PDFInfo
- Publication number
- CN200989319Y CN200989319Y CN 200620137280 CN200620137280U CN200989319Y CN 200989319 Y CN200989319 Y CN 200989319Y CN 200620137280 CN200620137280 CN 200620137280 CN 200620137280 U CN200620137280 U CN 200620137280U CN 200989319 Y CN200989319 Y CN 200989319Y
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- Prior art keywords
- voltage
- voltage stabilizing
- stabilizing control
- fan
- control unit
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- 230000000087 stabilizing effect Effects 0.000 claims description 48
- 230000005855 radiation Effects 0.000 claims description 25
- 238000001514 detection method Methods 0.000 claims description 16
- 230000001681 protective effect Effects 0.000 claims description 15
- 230000008859 change Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000003763 carbonization Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009993 protective function Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model relates to a voltage-stabilized control device for the electric fan and comprises a voltage-stabilized unit supplying the power supply to the heat-radiating fan. The voltage-stabilized unit is connected with a temperature-detected element and a voltage-detected unit. The temperature-detected element has the impact on the power supply output by the voltage-stabilized unit to the heat-radiating fan. And with the voltage-detected element, the input current of the electric fan is kept stable and the overload and over-temperature protection are provided.
Description
Technical field
The utility model relates to a kind of fan voltage stabilizing control gear, and particularly a kind of voltage detection unit that adopts is kept the stable of input fan electrical current to reach, and the fan voltage stabilizing control gear of overload and overheat protective function is provided.
Background technique
The electronic product of any electrification all can have the problem of heat loss, difference is the size of the heat loss power of electronic component, and then influence the degree of electronic product inner heat, product size is along with scientific and technological progress is constantly dwindled, need better sink, therefore, the relevant designing technique that is installed in the radiation fan control gear in the electronic correlation product becomes the emphasis of industry investigation, because modern electronic product is emphasized more efficient heat dissipation, with respect to the control circuit of radiation fan also requirement better efficient to be arranged, therefore, design the emphasis that better fan controlling circuit of voltage regulation also becomes the electronic industry relevant design.
Radiating control scheme at electronic equipment can be divided into manual control mode and automatic control mode, manually control mode can be announced No. 527090 with reference to the TaiWan, China utility model patent, patent such as No. 545624, automatic control mode then can be with reference to announcing as the TaiWan, China utility model patent No. 420326, and TaiWan, China utility model patent certificate M241884 number and M250225 number, no matter be manual control mode or automatic control mode, all can conclude as Fig. 1, shown in 2, at present the main design idea majority of the control mode that provided of patent document or product be by as the temperature sensitive member of thermistor when electronic equipment moves, continue interior environment temperature to electronic equipment to detect and obtain temperature varying coefficient, under the different temperatures variation coefficient, by the impedance variation amount of temperature sensitive member itself or by the resistance of the line in the branch circuit, change the driving electric power size of input radiation fan, then majority is as shown in Figure 1 for rotating speed and temperature varying coefficient, be linear condition, but this control mode still causes the instability of supply voltage on the implementation easily, in general, the radiation fan of power supply unit is except providing the heat sinking function self-internal electron part, also must be with inner other electronic equipment of computer main (central processing unit (CPU) for example, hard disk or the like) hot-fluid of Chan Shenging is expelled to the outside, therefore the allocation position of power supply unit will influence wind direction and the temperature that radiation fan guides because of the configuration quantity or the position of other electronic equipment, and putting position will be cut noise and heat dissipation because of the different wind that produce inequality of the wind direction of guiding, and rise in temperature, under the influence of decline and electric current lifting etc., this temperature sensitive member, have the problem of related elements characteristics such as heat dissipation problems and material carbonization, cause the Current Control difficulty.
In addition, this temperature sensitive member that the position is set is different, can different effects be arranged because the direction of heat flow in the electronic product enclosure is different, influence the supply of current size, the rotating speed of radiation fan also receives the supply of current instability and influences rotating speed between meeting, produce noise.Account for most computer maker on the market now, its product is nothing more than being personal computer, server level computer or Barebone computer, one of the said goods biggest advantage is exactly quiet, yet, if radiation fan is because the instability of supply of current, or the power supply fluctuation of input electric power source, be easy to and then influence rotation speed of the fan, cause bigger wind to cut sound, perhaps because electric current strengthened or reduces and make transformation of speed transient phenomenon occur in moment, also can produce noise, conventional practice is unstable on to the supply Control of Voltage of radiation fan, also has improved space on the market demand.
The model utility content
Main purpose of the present utility model, be to solve above-mentioned defective, avoid the existence of defective, the utility model is a kind of fan voltage stabilizing control gear, effect by this voltage stabilizing control unit, can allow to import the voltage functuation of electric power source, continue the output burning voltage to electric fan, rotation speed of the fan is kept necessarily, and control rotation speed of the fan with the ambient temperature coefficient in conjunction with temperature detection element, and have voltage control unit, can detect the size of output voltage and obtain reference voltage, to do the burning voltage adjustment.
Another purpose of the present utility model is to provide a kind of fan voltage stabilizing control gear, and it is connected with voltage detection unit; can be adjusted output voltage according to reference voltage; to keep burning voltage output, when output voltage surpasses maximum load, produce protective function.
A purpose more of the present utility model, be to provide a kind of fan voltage stabilizing control gear, its voltage stabilizing control unit connects temperature detection element, this temperature detection element is not as traditional approach, directly be connected on the output circuit, so can directly not influence electric current output, cause the change of rotation speed of the fan because of heat waste problem and carbonization problem.
Description of drawings
Fig. 1 is the schematic representation that known radiating fan rotation speed changes
Fig. 2 is the block schematic diagram of known control circuit of cooling fan
Fig. 3 is the block schematic diagram of fan voltage stabilizing control gear circuit of the present utility model
Fig. 4 is a rotation speed of the fan correspondence table of the present utility model
Fig. 5 is the schematic representation that rotation speed of the fan shown in Figure 3 changes
Embodiment
Relevant detailed description of the present utility model and technology contents, existing accompanying drawings is as follows:
With reference to Fig. 3, show the block schematic diagram of fan voltage stabilizing control gear circuit of the present utility model, the utility model is a kind of fan voltage stabilizing control gear, be applied to radiation fan 40, reach the tachometer value of stablizing this radiation fan 40 with burning voltage output, most preferred embodiment of the present utility model is to comprise: input electric power source 10, and it is a VDC; Voltage stabilizing control unit 30, it is electrically connected between input electric power source 10 and the radiation fan 40, can accept the rotary speed parameter value, and input voltage is converted to burning voltage exports radiation fan 40 to, to stablize the rotating speed of radiation fan 40; Temperature detection (induction) element 50, it is connected to voltage stabilizing control unit 30, and the rotary speed parameter value is provided; Voltage stabilizing control unit 30 is connected with the temperature detection element 50 of obtaining the ambient temperature coefficient, and the rotary speed parameter value can be this ambient temperature coefficient; Voltage stabilizing control unit 30 also is connected with voltage detection unit 60, and this voltage detection unit 60 is connected to the voltage output end of voltage stabilizing control unit 30, can detect voltage status to obtain reference voltage, and the rotary speed parameter value can be this reference voltage; Voltage stabilizing control unit 30 is connected to the circuit of input electric power source 10 and radiation fan 40, disposes first protective switch 20 and second protective switch 21 respectively, and it can make switch 20,21 open circuits according to protective signal; Voltage stabilizing control unit 30 can be sent protective signal to the first protective switch 20 and second protective switch 21.
Preferred embodiment of the present utility model in use, as shown in Figure 3, input electric power source 10, can be DC electrical source, voltage stabilizing control unit 30 can allow the voltage functuation of this DC electrical source and still can keep burning voltage and export radiation fan 40 to, voltage detection unit 60 is connected to voltage stabilizing control unit 30 and voltage output end thereof, can detect output voltage, according to its voltage functuation situation and output reference voltage to voltage stabilizing control unit 30.Temperature detection element 50 is connected to voltage stabilizing control unit 30, can obtain the ambient temperature coefficient and export voltage stabilizing control unit 30 to, with at the ambient temperature coefficient, controls the revolution value of radiation fan 40.
With reference to Fig. 4 and shown in Figure 5, be illustrated as embodiment with the ambient temperature coefficient, according to user mode of the present utility model, can determine range of temperature t1, t2, t3, temperature detection element 50 can be sent the rotary speed parameter value to voltage stabilizing control unit 30, this voltage stabilizing control unit 30 can be accepted this rotary speed parameter value, and exports its corresponding output voltage V 1, V2, V3 according to the rotation speed of the fan correspondence table.
In the novel preferred embodiment of this acceptance, when input electric power source 10 input power supplys are excessive, can send protective signal to the first protective switch 20, to make open circuit action protection voltage stabilizing control unit 30 by voltage stabilizing control unit 30.
In the novel preferred embodiment of this acceptance, when the output burning voltage surpasses the load that radiation fan 40 can bear, can send protective signal to the second protective switch 21 by voltage stabilizing control unit 30, to make open circuit action protection radiation fan 40.
Being preferred embodiment of the present utility model only in sum, is not to be used for limiting practical range of the present utility model, and promptly all equivalences of doing according to the content of the utility model claim change and modify, and all should belong to technical scope of the present utility model.
Claims (10)
1. fan voltage stabilizing control gear, but burning voltage and determine the tachometer value of radiation fan (40) is characterized in that described control gear includes:
Input electric power source (10) can provide input voltage;
Radiation fan (40);
Voltage stabilizing control unit (30), it is electrically connected between described input electric power source (10) and the described radiation fan (40), can accept the rotary speed parameter value, and include voltage stabilizing element, input voltage can be transferred to burning voltage and export described radiation fan (40) to, to stablize the rotating speed of described radiation fan (40);
Temperature detection element (50), it is connected to described voltage stabilizing control unit (30), and the rotary speed parameter value is provided.
2. fan voltage stabilizing control gear according to claim 1 is characterized in that described rotary speed parameter value is the ambient temperature coefficient.
3. fan voltage stabilizing control gear according to claim 1 is characterized in that described voltage stabilizing control unit (30) is connected with the temperature detection element (50) of obtaining described ambient temperature coefficient.
4. fan voltage stabilizing control gear according to claim 1 is characterized in that described rotary speed parameter value is a reference voltage.
5. fan voltage stabilizing control gear according to claim 4 is characterized in that described voltage stabilizing control unit (30) is connected with the voltage detection unit (60) of obtaining described reference voltage.
6. fan voltage stabilizing control gear according to claim 5 is characterized in that described voltage detection unit (60) also is connected to the voltage output end of described voltage stabilizing control unit (30), can detect described voltage status to obtain reference voltage.
7. fan voltage stabilizing control gear according to claim 1; it is characterized in that described voltage stabilizing control unit (30) is connected to the circuit of described input electric power source (10) and described radiation fan (40); dispose first protective switch (20) and second protective switch (21) respectively, it can make switch (20,21) open circuit according to protective signal.
8. fan voltage stabilizing control gear according to claim 7 is characterized in that sending protective signal by described voltage stabilizing control unit (30) when described input electric power source (10) input power supply is excessive.
9. fan voltage stabilizing control gear according to claim 7 is characterized in that sending described protective signal by described voltage stabilizing control unit (30) when described output burning voltage surpasses the load that described radiation fan (40) can bear.
10. fan voltage stabilizing control gear according to claim 1, the burning voltage output that it is characterized in that described voltage stabilizing control unit (30) is by described rotary speed parameter value decision.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620137280 CN200989319Y (en) | 2006-09-28 | 2006-09-28 | Fan voltage-stabilizing controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620137280 CN200989319Y (en) | 2006-09-28 | 2006-09-28 | Fan voltage-stabilizing controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200989319Y true CN200989319Y (en) | 2007-12-12 |
Family
ID=38940356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620137280 Expired - Lifetime CN200989319Y (en) | 2006-09-28 | 2006-09-28 | Fan voltage-stabilizing controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200989319Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102436280A (en) * | 2011-11-09 | 2012-05-02 | 福建星网锐捷网络有限公司 | Voltage stable output device and rotation speed control system of fan of whole machine and method thereof |
| CN102450113A (en) * | 2009-05-25 | 2012-05-09 | Nec显示器解决方案株式会社 | Electronic device and cooling fan control method |
| CN104820455A (en) * | 2015-05-04 | 2015-08-05 | 刘波 | High-pressure fan power voltage stabilizer |
-
2006
- 2006-09-28 CN CN 200620137280 patent/CN200989319Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102450113A (en) * | 2009-05-25 | 2012-05-09 | Nec显示器解决方案株式会社 | Electronic device and cooling fan control method |
| CN102450113B (en) * | 2009-05-25 | 2015-02-18 | Nec显示器解决方案株式会社 | Electronic device and cooling fan control method |
| CN102436280A (en) * | 2011-11-09 | 2012-05-02 | 福建星网锐捷网络有限公司 | Voltage stable output device and rotation speed control system of fan of whole machine and method thereof |
| CN102436280B (en) * | 2011-11-09 | 2013-11-20 | 福建星网锐捷网络有限公司 | Voltage stable output device and rotation speed control system of fan of whole machine and method thereof |
| CN104820455A (en) * | 2015-05-04 | 2015-08-05 | 刘波 | High-pressure fan power voltage stabilizer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20071212 |
|
| EXPY | Termination of patent right or utility model |