CN201528265U - High-efficient power device - Google Patents
High-efficient power device Download PDFInfo
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- CN201528265U CN201528265U CN200920204952XU CN200920204952U CN201528265U CN 201528265 U CN201528265 U CN 201528265U CN 200920204952X U CN200920204952X U CN 200920204952XU CN 200920204952 U CN200920204952 U CN 200920204952U CN 201528265 U CN201528265 U CN 201528265U
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Abstract
The utility model relates to power technique, particularly relates to a power device temperature control technique, and provides a high-efficient power device. The high-efficient power device comprises a cooling fan (FAN1) and a skip type temperature control circuit used for driving the cooling fan. The high-efficient power device is characterized in that the skip type temperature control circuit comprises a sampling module, a comparison module, a speed regulating output module and a negative feedback module, the sampling module collects temperature information and converts the temperature information into electric signals to be transmitted to the comparison module, the comparison module provides speed regulating signals for the speed regulating output module, and the negative feedback module feeds back actual output electric signals of the speed regulating output module to the comparison module. The high-efficient power device is stable in operation and high in efficiency.
Description
Technical field
The utility model relates to power technology, relates in particular to a kind of supply unit temperature control technology.
Background technology
Existing supply unit generally needs to adopt the DC fan forced heat radiation, and from large program very, the effect of heat radiation has determined the efficient and the job stability of power supply.Existing supply unit, its radiating control substantially all adopts the close limit linear speed regulation, its exist speed governing slowly, react insensitive shortcoming, cause the radiating effect instability, directly influence the efficient and the job stability of power supply.
The utility model content
The purpose of this utility model is to overcome above-mentioned weak point of the prior art and a kind of working stability and the high efficient power device of efficient is provided.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of efficient power device, comprise cooling fan (FAN1), be used to drive the formula that the jumps temperature control circuit of this cooling fan, it is characterized in that: the described formula temperature control circuit that jumps comprises sampling module, comparison module, speed governing output module, negative feedback module, described sampling module collecting temperature information also is converted to electrical signal transfer to described comparison module, and described comparison module provides speed-regulating signal to described speed governing output module; Described negative feedback module feeds back to described comparison module with the actual output signal of telecommunication of described speed governing output module.
The efficient power device, it is characterized in that: this efficient power device also comprises direct current cooling power supply, described sampling module has first link, second link and the 3rd link, described first link connects the positive pole of direct current cooling power supply, described second link connects the negative pole of direct current cooling power supply, described sampling module also comprises thermistor (FTH3) and sampling triode (FQ3), described sampling module also comprises first resistance (FR142), second resistance (FR152), the 3rd resistance (FR143), the 4th resistance (FR145), the base stage of three groups of pipes of described sampling (FQ3) is by being connected first link by thermistor (FTH3) with first resistance (FR142) successively, the base stage of three groups of pipes of described sampling (FQ3) also connects second link by second resistance (FR152), the collector electrode of three groups of pipes of described sampling (FQ3) directly connects described first link, the emitter of three groups of pipes of described sampling (FQ3) connects described the 3rd link by the 4th resistance (FR145), and the emitter of three groups of pipes of described sampling (FQ3) also connects described first link by described the 3rd resistance (FR143).
The efficient power device is characterized in that: described comparison module has two power inputs, connects two utmost points of direct current cooling power supply respectively; Described comparison module also comprises forward end, negative end, output, the 5th resistance (FR164), the 6th resistance (FR144), described forward end connects direct current cooling positive source by described the 5th resistance (FR164), described forward end also connects direct current cooling power cathode by described the 6th resistance (FR144), and described negative end connects the 3rd link of described sampling module.
The efficient power device, it is characterized in that: described speed governing output module comprises speed governing triode (FQ1), the base stage of described speed governing triode (FQ1) connects the output of described comparison module by the 7th resistance (FR160), the emitter of described speed governing triode (FQ1) connects direct current cooling positive source, described speed governing output module has two outputs, i.e. first output and second output, the collector electrode of described speed governing triode (FQ1) connects described first output, and described second output connects the negative pole of described direct current cooling power supply.
The efficient power device is characterized in that: described speed governing output module also comprises the polar capacitor (FC47) that prevents the cooling fan shake, and described polar capacitor is connected between first output and second output of described speed governing output module.
The efficient power device, it is characterized in that: described negative feedback module comprises negative feedback triode (FQ2), the base stage of described negative feedback triode (FQ2) connects first output of described speed governing output module by the 8th resistance (FR140), the base stage of described negative feedback triode (FQ2) also connects second output of described speed governing output module by the 9th resistance (FR147), the collector electrode of described negative feedback triode (FQ2) connects the negative end of described comparison module, and the emitter of described negative feedback triode (FQ2) connects the negative pole of direct current cooling power supply by the tenth resistance (FR148).
Efficient power device of the present utility model, its cooling fan (FAN1) is by the formula temperature control circuit speed governing that jumps, the described formula temperature control circuit that jumps comprises sampling module, comparison module, speed governing output module, negative feedback module, sampling module is obtained the temperature information of the mark parts that are cooled, the actual output voltage information of negative feedback module feedback speed adjusting module, differentiate back output high level or low level through comparison module, by the speed governing output module formula operating voltage that jumps, realize quick speed governing again.Compared with prior art, efficient power device rotation speed of the fan of the present utility model does not need linearity to climb, and has speed governing news speed, sensitive characteristics, therefore efficient power device working stability of the present utility model and efficient height.
Description of drawings
Fig. 1 is the block diagram of the formula that the jumps temperature control circuit of first embodiment of the utility model.
Fig. 2 is the schematic diagram of the formula that the jumps temperature control circuit of first embodiment of the utility model.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.With reference to figure 1, Fig. 2, first embodiment of the utility model is a kind of efficient power device, comprise cooling fan FAN1, be used to drive the formula that the jumps temperature control circuit of this cooling fan, it is characterized in that: the described formula temperature control circuit that jumps comprises sampling module, comparison module, speed governing output module, negative feedback module, described sampling module collecting temperature information also is converted to electrical signal transfer to described comparison module, and described comparison module provides speed-regulating signal to described speed governing output module; Described negative feedback module feeds back to described comparison module with the actual output signal of telecommunication of described speed governing output module.This efficient power device also comprises direct current cooling power supply, described sampling module has first link, second link and the 3rd link, described first link connects the positive pole of direct current cooling power supply, described second link connects the negative pole of direct current cooling power supply, described sampling module also comprises thermistor FTH3 and sampling triode FQ3, described sampling module also comprises the first resistance FR142, the second resistance FR152, the 3rd resistance FR143, the 4th resistance FR145, the base stage of three groups of pipe FQ3 of described sampling is by being connected first link by thermistor FTH3 with the first resistance FR142 successively, the base stage of three groups of pipe FQ3 of described sampling also connects second link by the second resistance FR152, the collector electrode of three groups of pipe FQ3 of described sampling directly connects described first link, the emitter of three groups of pipe FQ3 of described sampling connects described the 3rd link by the 4th resistance FR145, and the emitter of three groups of pipe FQ3 of described sampling also connects described first link by described the 3rd resistance FR143.Described comparison module has two power inputs, connects two utmost points of direct current cooling power supply respectively; Described comparison module also comprises forward end, negative end, output, the 5th resistance FR164, the 6th resistance FR144, described forward end connects direct current cooling positive source by described the 5th resistance FR164, described forward end also connects direct current cooling power cathode by described the 6th resistance FR144, and described negative end connects the 3rd link of described sampling module.Described speed governing output module comprises speed governing triode FQ1, the base stage of described speed governing triode FQ1 connects the output of described comparison module by the 7th resistance FR160, the emitter of described speed governing triode FQ1 connects direct current cooling positive source, described speed governing output module has two outputs, i.e. first output and second output, the collector electrode of described speed governing triode FQ1 connects described first output, and described second output connects the negative pole of described direct current cooling power supply.Described speed governing output module also comprises the polar capacitor FC47 that prevents the cooling fan shake, and described polar capacitor is connected between first output and second output of described speed governing output module.Described negative feedback module comprises negative feedback triode FQ2, the base stage of described negative feedback triode FQ2 connects first output of described speed governing output module by the 8th resistance FR140, the base stage of described negative feedback triode FQ2 also connects second output of described speed governing output module by the 9th resistance FR147, the collector electrode of described negative feedback triode FQ2 connects the negative end of described comparison module, and the emitter of described negative feedback triode FQ2 connects the negative pole of direct current cooling power supply by the tenth resistance FR148.
Refer again to Fig. 2, FTH3 is a temperature inductor in the present embodiment---negative tempperature coefficient thermistor (NTC), it is converted to variation of temperature the variation of resistance value, FTH3, FR142, FR152 constitute biasing resistor, determine the operating state of sampling triode FQ3, provided the comparative voltage of rotating speed and temperature correlation in conjunction with FR143, FR145.FR164, FR144 are that reference voltage is provided with resistance, and the forward end comparative voltage of FU13 is provided; FQ1 is the fan speed-regulating triode, and FC47 uses electrochemical capacitor for buffering, avoids fan shake rotation; FR140, FR147 are biasing resistor, set the FQ2 operating state; FQ2 is that negative feedback is introduced in rotation speed of the fan control, and then stable rotation speed of the fan; When load is light, the last temperature of FTH3 is lower, resistance is big, stayed the current ratio of FQ3 base stage less, FU13 negative end (-) voltage is lower than forward end (+) voltage, FU13 exports high level, FQ1 stablizes through the FQ2 negative feedback by conducting under the faint drive current of FR160, and fan work is under the slow-speed of revolution.When FTH3 goes up the temperature rising, FU13 negative end voltage presents ascendant trend under FTH3, FQ3 influence, because the degenerative existence of FQ2, FC47 two ends (the actual working voltage of fan) presents slow rising, when the negative feedback of FQ2 and FQ3 sampling voltage signal reach balance, the fan steady operation.When the FTH3 temperature very high, when FQ3 sampling voltage signal is better than the FQ2 negative feedback, the FU13 output low level, FQ1 works in the saturation conduction state, fan presents full rotating speed state.To sum up, rotation speed of the fan control presents nonlinear broken line state.Present embodiment should have when PC, has both satisfied the requirement of PC terminal client to the computer low noise, has solved power supply and system radiating problem simultaneously again.Can yet be regarded as, solution PC computer is reliable, stable, the advanced method of low noise work.
Claims (6)
1. efficient power device, comprise cooling fan (FAN1), be used to drive the formula that the jumps temperature control circuit of this cooling fan, it is characterized in that: the described formula temperature control circuit that jumps comprises sampling module, comparison module, speed governing output module, negative feedback module, described sampling module collecting temperature information also is converted to electrical signal transfer to described comparison module, and described comparison module provides speed-regulating signal to described speed governing output module; Described negative feedback module feeds back to described comparison module with the actual output signal of telecommunication of described speed governing output module.
2. efficient power device according to claim 1, it is characterized in that: this efficient power device also comprises direct current cooling power supply, described sampling module has first link, second link and the 3rd link, described first link connects the positive pole of direct current cooling power supply, described second link connects the negative pole of direct current cooling power supply, described sampling module also comprises thermistor (FTH3) and sampling triode (FQ3), described sampling module also comprises first resistance (FR142), second resistance (FR152), the 3rd resistance (FR143), the 4th resistance (FR145), the base stage of three groups of pipes of described sampling (FQ3) is by being connected first link by thermistor (FTH3) with first resistance (FR142) successively, the base stage of three groups of pipes of described sampling (FQ3) also connects second link by second resistance (FR152), the collector electrode of three groups of pipes of described sampling (FQ3) directly connects described first link, the emitter of three groups of pipes of described sampling (FQ3) connects described the 3rd link by the 4th resistance (FR145), and the emitter of three groups of pipes of described sampling (FQ3) also connects described first link by described the 3rd resistance (FR143).
3. efficient power device according to claim 2 is characterized in that: described comparison module has two power inputs, connects two utmost points of direct current cooling power supply respectively; Described comparison module also comprises forward end, negative end, output, the 5th resistance (FR164), the 6th resistance (FR144), described forward end connects direct current cooling positive source by described the 5th resistance (FR164), described forward end also connects direct current cooling power cathode by described the 6th resistance (FR144), and described negative end connects the 3rd link of described sampling module.
4. efficient power device according to claim 3, it is characterized in that: described speed governing output module comprises speed governing triode (FQ1), the base stage of described speed governing triode (FQ1) connects the output of described comparison module by the 7th resistance (FR160), the emitter of described speed governing triode (FQ1) connects direct current cooling positive source, described speed governing output module has two outputs, i.e. first output and second output, the collector electrode of described speed governing triode (FQ1) connects described first output, and described second output connects the negative pole of described direct current cooling power supply.
5. efficient power device according to claim 4, it is characterized in that: described speed governing output module also comprises the polar capacitor (FC47) that prevents the cooling fan shake, and described polar capacitor is connected between first output and second output of described speed governing output module.
6. according to claim 4 or 5 described efficient power devices, it is characterized in that: described negative feedback module comprises negative feedback triode (FQ2), the base stage of described negative feedback triode (FQ2) connects first output of described speed governing output module by the 8th resistance (FR140), the base stage of described negative feedback triode (FQ2) also connects second output of described speed governing output module by the 9th resistance (FR147), the collector electrode of described negative feedback triode (FQ2) connects the negative end of described comparison module, and the emitter of described negative feedback triode (FQ2) connects the negative pole of direct current cooling power supply by the tenth resistance (FR148).
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CN200920204952XU CN201528265U (en) | 2009-09-25 | 2009-09-25 | High-efficient power device |
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CN200920204952XU CN201528265U (en) | 2009-09-25 | 2009-09-25 | High-efficient power device |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104735948A (en) * | 2013-12-19 | 2015-06-24 | 西安恒飞电子科技有限公司 | Power supply detection alarm power supply device |
CN105465027A (en) * | 2015-12-31 | 2016-04-06 | 苏州壹达生物科技有限公司 | Device for intelligently controlling linear rotating speed of heat radiating fan |
CN107041108A (en) * | 2017-05-24 | 2017-08-11 | 北京稳固得电子有限公司 | Power module with heat sink |
-
2009
- 2009-09-25 CN CN200920204952XU patent/CN201528265U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104735948A (en) * | 2013-12-19 | 2015-06-24 | 西安恒飞电子科技有限公司 | Power supply detection alarm power supply device |
CN105465027A (en) * | 2015-12-31 | 2016-04-06 | 苏州壹达生物科技有限公司 | Device for intelligently controlling linear rotating speed of heat radiating fan |
CN107041108A (en) * | 2017-05-24 | 2017-08-11 | 北京稳固得电子有限公司 | Power module with heat sink |
CN107041108B (en) * | 2017-05-24 | 2019-04-16 | 北京稳固得电子有限公司 | Power module with cooling device |
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Granted publication date: 20100714 Termination date: 20110925 |