CN203552177U - Silencing energy-saving computer power supply - Google Patents
Silencing energy-saving computer power supply Download PDFInfo
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- CN203552177U CN203552177U CN201320753971.4U CN201320753971U CN203552177U CN 203552177 U CN203552177 U CN 203552177U CN 201320753971 U CN201320753971 U CN 201320753971U CN 203552177 U CN203552177 U CN 203552177U
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- thermistor
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Abstract
The utility model discloses a silencing energy-saving computer power supply. The silencing energy-saving computer power supply comprises a casing and further comprises an alternating current input interface, a filter circuit, a rectifying circuit, a voltage stabilizing circuit, a DC/DC conversion circuit, a direct current voltage output circuit and a direct current voltage output circuit which are all electrically connected in sequence. The output end of the DC/DC conversion circuit is directly connected with a first fan and further connected with a second fan through a fan intelligent control circuit, and the fan intelligent control circuit comprises a thermistor RT, a voltage stabilizing diode ZD1 and a triode Q1. When the temperature changes and a resistance value of the thermistor RT is changed, the rotating speed of the second fan is changed correspondingly, and power of the first fan is smaller than that of the second fan. Power of the first fan of the power supply is small, and the first fan is usually in a constant-speed working state and is used for dissipating heat everyday; and when the temperature changes and the resistance value of the thermistor RT is changed, the rotating speed of the second fan is changed correspondingly, so that the second fan dissipates heat together with the first fan.
Description
Technical field
The utility model relates to a kind of computing machine, especially a kind of mute energy-saving computer power supply.
Background technology
Along with the high speed development of computer technology, computing machine has been come into huge numbers of families.Computer power supply is the main for electric original copy of computing machine, is the important component part of computing machine.
Prior art computing machine adopts modular design.Computer power supply is generally a separate modular, changes High Level AC Voltage into low-voltage DC, and is equipped with standard interface and low-voltage DC is exported to the functional modules such as computer motherboard, CD-ROM drive, floppy drive.
The patent documentation that is 200520119312.0 as China Patent No. discloses a kind of novel computer power supply, comprise shell and power lead and be arranged on circuit part and transformation part wherein, circuit part comprises EMI filtering circuit, current rectifying and wave filtering circuit, DC/DC translation circuit, output rectifier and filter, DC voltage output circuit, switching on and shutting down control section and PWM control section.Because the circuit part of computer power supply need to be used the heat-generating electronic elements such as triode, conventionally in the shell of computer power supply, also can be furnished with fan, for heat radiation.
The fan that prior art computer power supply is used is generally low-voltage direct slip fan or the ball fan of constant speed, no matter it is winter or summer, no matter be computer operating large program or standby, fan is all with constant speed rotary, do not meet modern society and advocate energy-conserving and environment-protective, quiet design concept, the design of fan is the user demand in the time of will meeting summer or running large program, and when winter or standby, using such fan is obviously a kind of waste, not only dry sound is large, and energy consumption is high; Owing to there being such problem, so be necessary existing computer power supply to improve.
Utility model content
The purpose of this utility model is the deficiency in order to solve above-mentioned technology and a kind of mute energy-saving computer power supply with mute energy-saving effect of designing.
The mute energy-saving computer power supply that the utility model is designed, it comprises shell, it also comprises the interchange input interface, filtering circuit, rectification circuit, mu balanced circuit, DC/DC translation circuit, DC voltage output circuit and the direct voltage output interface that are electrically connected successively, the output terminal that it is characterized in that described DC/DC translation circuit is directly connected with the first fan, and the output terminal of this DC/DC translation circuit is also connected with the second fan by fan intelligent control circuit; Described fan intelligent control circuit comprises thermistor RT, voltage stabilizing diode ZD1 and triode Q1, thermistor RT and voltage stabilizing diode ZD1 are connected in series in the base stage of triode Q1 successively, the second fan is connected in series in the collector of described triode Q1, and when temperature variation changes thermistor RT resistance, the rotating speed of the second fan correspondingly changes; Described the first fan power is less than the second fan.
As preferably:
The output terminal of described DC/DC translation circuit also arrives and specifies the temperature switch circuit that can make fan rotate after greenhouse degree to be connected with three fan by one, and described three fan power is greater than the second fan;
Described the first fan is positioned at shell side, and described the second fan is positioned at the shell back side;
The mute energy-saving computer power supply that the utility model is designed, its beneficial effect is: have the first fan and two fans of the second fan, the first fan power is less, dry sound is less, at ordinary times in constant speed duty, for daily heat radiation, when winter or standby, the first fan can meet radiating requirements substantially; The second fan has speed governing effect, and when temperature variation changes thermistor RT resistance, the rotating speed of the second fan correspondingly changes, and when the first fan can not effectively meet case radiation demand, the second fan can help the first fan to dispel the heat together.When summer or computing machine are when high load capacity operates, computing machine heating is more, and the first fan rotates, and the rotating speed of the second fan is higher; When winter or computing machine are during in holding state, the heating of computing machine is less, and thermistor RT resistance changes, and the first fan rotates, and the second rotation speed of the fan is lower, and noise is low, and such working method has reached energy-conservation and quiet technique effect simultaneously.
Accompanying drawing explanation
Fig. 1 is the circuit module schematic diagram of embodiment 1 mute energy-saving computer power supply;
Fig. 2 is the circuit diagram of embodiment 1 fan intelligent control circuit;
Fig. 3 is the schematic appearance of embodiment 1 mute energy-saving computer power supply;
Fig. 4 is the schematic appearance of embodiment 2 mute energy-saving computer power supplies;
Fig. 5 is the circuit module schematic diagram of embodiment 3 mute energy-saving computer power supplies;
Fig. 6 is the circuit diagram of embodiment 3 temperature switch circuits;
In figure: shell 1, interchange input interface 2, filtering circuit 3, rectification circuit 4, mu balanced circuit 5, DC/DC translation circuit 6, DC voltage output circuit 7, direct voltage output interface 8, fan intelligent control circuit 9, temperature switch circuit 10, the first fan 11, the second fan 12, three fan 13, resistance R 1, resistance R 2, resistance R 3, resistance R 4, thermistor RT, voltage stabilizing diode ZD1, triode Q1, temperature detect switch (TDS) WK, relay K T.
Embodiment
Below by embodiment, the utility model will be further described by reference to the accompanying drawings.
Embodiment 1:
As shown in Figure 1, 2, 3, the described mute energy-saving computer power supply of the present embodiment, it comprises shell 1, it also comprises the interchange input interface 2, filtering circuit 3, rectification circuit 4, mu balanced circuit 5, DC/DC translation circuit 6, DC voltage output circuit 7 and the direct voltage output interface 8 that are electrically connected successively, the output terminal that it is characterized in that described DC/DC translation circuit 6 is directly connected with the first fan 11, and the output terminal of this DC/DC translation circuit 6 is also connected with the second fan 12 by fan intelligent control circuit 9; Described fan intelligent control circuit 9 comprises thermistor RT, voltage stabilizing diode ZD1 and triode Q1, thermistor RT and voltage stabilizing diode ZD1 are connected in series in the base stage of triode Q1 successively, the second fan 12 is connected in series in the collector of described triode Q1, and when temperature variation changes thermistor RT resistance, the rotating speed of the second fan 12 correspondingly changes; Described the first fan 11 power are less than the second fan 12.
The described mute energy-saving computer power supply of the present embodiment, its beneficial effect is: have the first fan 11 and 12 two fans of the second fan, the first fan 11 power are less, and dry sound is less, and energy consumption is lower, at ordinary times in constant speed duty, for daily heat radiation; When winter or standby, the first fan 11 can meet radiating requirements substantially; The second fan 12 has speed governing effect, when temperature variation changes thermistor RT resistance, the rotating speed of the second fan 12 correspondingly changes, and when the first fan 11 can not effectively meet case radiation demand, the second fan 12 can help the first fan 11 to dispel the heat together.When summer or computing machine are when high load capacity operates, computing machine heating is more, and the first fan 11 rotates, and the rotating speed of the second fan is higher; When winter or computing machine are during in holding state, the heating of computing machine is less, and thermistor RT resistance changes, and the first fan 11 rotates, and the second fan 12 rotating speeds are lower, and noise is low, and energy consumption is little, has reached energy-conservation and quiet technique effect so simultaneously.When fan described in the first fan 11 and the second fan 12 adopts fluid bearing fan, fan rotation is more smooth and easy, friction is few, and noise is lower.
Embodiment 2:
As shown in Figure 4, the described mute energy-saving computer power supply of the present embodiment, as different from Example 1: described the first fan 11 is positioned at shell 1 side, described the second fan 12 is positioned at shell 1 back side.The wind that such the first fan 11 and the second fan 12 blow out can phase mutual interference, guarantees radiating effect.
Embodiment 3:
As shown in Figure 5,6, the described mute energy-saving computer power supply of the present embodiment, as different from Example 2: the output terminal of described DC/DC translation circuit 6 also arrives and specifies the temperature switch circuit 10 that can make fan rotate after greenhouse degree to be connected with three fan 13 by one, and described three fan 13 power are greater than the second fan 12.Three fan 13 is for urgent heat radiation, when the first fan 11 is worked while also can not meet (if computer failure or weather are when very hot) together with the second fan 12, temperature switch circuit 10 conductings, three fan 13 works for heat radiation, three fan 13 power maximums, have strong heat-sinking capability, its installation site also can be positioned at shell 1 back side.
Wherein, the circuit structure of temperature switch circuit 10 can be as shown in Figure 6, when reaching uniform temperature in cabinet (as 60 degree), and temperature detect switch (TDS) WK conducting, the adhesive of relay K T coil, the contact conducting of relay K T, now three fan 13 starts working.Certainly temperature switch circuit 10 can also be other structure, as directly three fan 13 connected with temperature detect switch (TDS) WK not by means of relay K T.Temperature switch circuit 10 is prior art, and it uses extensively on the electrical equipments such as water heater, electric cooker, does not describe in detail here.
Specific embodiment described herein is only to design of the present utility model explanation for example.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (3)
1. a mute energy-saving computer power supply, it comprises shell (1), it also comprises the interchange input interface (2), filtering circuit (3), rectification circuit (4), mu balanced circuit (5), DC/DC translation circuit (6), DC voltage output circuit (7) and the direct voltage output interface (8) that are electrically connected successively, the output terminal that it is characterized in that described DC/DC translation circuit (6) is directly connected with the first fan (11), and the output terminal of this DC/DC translation circuit (6) is also connected with the second fan (12) by fan intelligent control circuit (9); Described fan intelligent control circuit (9) comprises thermistor RT, voltage stabilizing diode ZD1 and triode Q1, thermistor RT and voltage stabilizing diode ZD1 are connected in series in the base stage of triode Q1 successively, the second fan (12) is connected in series in the collector of described triode Q1, and when temperature variation changes thermistor RT resistance, the rotating speed of the second fan (12) correspondingly changes; Described the first fan (11) power is less than the second fan (12).
2. mute energy-saving computer power supply according to claim 1, the output terminal that it is characterized in that described DC/DC translation circuit (6) also arrives and specifies the temperature switch circuit (10) that can make fan rotate after greenhouse degree to be connected with three fan (13) by one, and described three fan (13) power is greater than the second fan (12).
3. mute energy-saving computer power supply according to claim 1 and 2, is characterized in that described the first fan (11) is positioned at shell (1) side, and described the second fan (12) is positioned at shell (1) back side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320753971.4U CN203552177U (en) | 2013-11-26 | 2013-11-26 | Silencing energy-saving computer power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320753971.4U CN203552177U (en) | 2013-11-26 | 2013-11-26 | Silencing energy-saving computer power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203552177U true CN203552177U (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320753971.4U Expired - Fee Related CN203552177U (en) | 2013-11-26 | 2013-11-26 | Silencing energy-saving computer power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203552177U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106505703A (en) * | 2016-11-29 | 2017-03-15 | 海鹰航空通用装备有限责任公司 | A kind of ground charger of unmanned plane |
-
2013
- 2013-11-26 CN CN201320753971.4U patent/CN203552177U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106505703A (en) * | 2016-11-29 | 2017-03-15 | 海鹰航空通用装备有限责任公司 | A kind of ground charger of unmanned plane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20140416 Termination date: 20151126 |