CN204423290U - A kind of system closedown automatic heat radiation circuit, heat abstractor and electronic equipment - Google Patents
A kind of system closedown automatic heat radiation circuit, heat abstractor and electronic equipment Download PDFInfo
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- CN204423290U CN204423290U CN201520093167.7U CN201520093167U CN204423290U CN 204423290 U CN204423290 U CN 204423290U CN 201520093167 U CN201520093167 U CN 201520093167U CN 204423290 U CN204423290 U CN 204423290U
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- fan
- input end
- shutdown
- resistance
- electric capacity
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- 230000005855 radiation Effects 0.000 title claims abstract description 20
- 239000002918 waste heat Substances 0.000 claims abstract description 11
- 238000001816 cooling Methods 0.000 claims description 11
- 230000000087 stabilizing effect Effects 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 5
- 238000004134 energy conservation Methods 0.000 abstract description 7
- 230000005611 electricity Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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- Cooling Or The Like Of Electrical Apparatus (AREA)
- Control Of Temperature (AREA)
Abstract
The utility model is applicable to electronic applications, provide a kind of system closedown automatic heat radiation circuit, heat abstractor and electronic equipment, comprise: isolated location, its first input end is connected with working power voltage, its second input end is connected with standby power voltage, and its output terminal is connected with the positive pole of described fan; Starting fan speed adjustment unit, its first input end is connected with the positive pole of described fan, and its second input end is connected with the negative pole of described fan; Shutoff temperature detecting unit, its input end is connected with standby power; Shutdown driver element, its control end is connected with the output terminal of shutoff temperature detecting unit, and drive end is connected with fan negative pole.The utility model causes temperature to rise rapidly after system reload shutdown, after continuing drive fan rotation realization shutdown, the waste heat of system environments is discharged, improve lifetime of system and reliability, and do not control fan turns after underloading shutdown, realize energy-conservation.
Description
Technical field
The utility model belongs to electronic applications, particularly relates to a kind of system closedown automatic heat radiation circuit, heat abstractor and electronic equipment.
Background technology
In PC system, when system is after operating at full capacity, intrasystem temperature is very high comparatively speaking, after shutdown, fan cuts out along with computer and cuts out rapidly, because the fan of heat radiation is turned off suddenly, the heat stayed during system works cannot leave in time, electronics all in system and other components and parts are caused to raise fast suddenly at short notice, if and this temperature exceeds the temperature of electronic devices and components, gently then components and parts shorten the life-span, heavy then component damage, even damage system, cause next PC to start.
Utility model content
The object of the utility model embodiment is to provide a kind of system closedown automatic heat radiation circuit, and after being intended to solve the shutdown of existing computer system, shutdown waste heat cannot discharge in time, causes the reliability of computer system and the problem in serviceable life.
The utility model embodiment is achieved in that a kind of system closedown automatic heat radiation circuit, and described circuit comprises:
To the isolated location that working power voltage and standby power voltage are isolated, the first input end of described isolated location is connected with working power voltage, second input end of described isolated location is connected with standby power voltage, and the output terminal of described isolated location is connected with the positive pole of described fan;
Start fan, and according to current system temperature controlled fan rotation speed change, to realize the starting fan speed adjustment unit of intelligent cooling, the first input end of described starting fan speed adjustment unit is connected with the positive pole of described fan, and the second input end of described starting fan speed adjustment unit is connected with the negative pole of described fan;
Detection system Current Temperatures after system closedown, when system Current Temperatures is greater than preset value, generate the shutoff temperature detecting unit of shutdown cooling enabling signal, the input end of described shutoff temperature detecting unit is connected with standby power voltage;
According to described shutdown cooling enabling signal and standby power voltage driven fan turns, the shutdown driver element after realizing shutdown, the waste heat of system environments discharged, the control end of described shutdown driver element is connected with the output terminal of described shutoff temperature detecting unit, and the drive end of described shutdown driver element is connected with the negative pole of described fan.
Further, described isolated location comprises:
Diode D601 and diode D602;
The anode of described diode D602 is the first input end of described isolated location, the anode of described diode D601 is the second input end of described isolated location, and the negative electrode of described diode D602 is that the output terminal of described isolated location is connected with the negative electrode of described diode D601.
Further, described starting fan speed adjustment unit comprises:
Electric capacity C610, electric capacity C611, voltage stabilizing diode ZD610, the first switching tube, resistance R610, resistance R611 and negative tempperature coefficient thermistor TR601;
One end of described electric capacity C611 is that the first input end of described starting fan speed adjustment unit is connected with one end of described resistance R611, the other end of described resistance R611 is connected with one end of described negative tempperature coefficient thermistor TR601, the other end of described electric capacity C611 is connected with the negative electrode of described voltage stabilizing diode ZD610 and the current input terminal of described first switching tube while of being the second input end of described starting fan speed adjustment unit, the anode of described voltage stabilizing diode ZD610 is connected with the control end of described first switching tube and the other end of described negative tempperature coefficient thermistor TR601 simultaneously, the other end of described negative tempperature coefficient thermistor TR601 is also by described resistance R610 ground connection, the current output terminal ground connection of described first switching tube, the other end of described electric capacity C611 is also by described electric capacity C610 ground connection.
Further, described first switching tube is NPN type triode, the current input terminal of very described first switching tube of current collection of described NPN type triode, the current output terminal of very described first switching tube of transmitting of described NPN type triode, the base stage of described NPN type triode is the control end of described first switching tube.
Further, described shutoff temperature detecting unit comprises:
Resistance R603, resistance R604 and negative tempperature coefficient thermistor TR602;
One end of described resistance R603 is the input end of described shutoff temperature detecting unit, the other end of described resistance R603 is connected with one end of described negative tempperature coefficient thermistor TR602, and the other end of described negative tempperature coefficient thermistor TR602 is that the output terminal of described shutoff temperature detecting unit is by described resistance R604 ground connection.
Further, described shutdown driver element comprises:
Electric capacity C601 and second switch pipe;
One end of described electric capacity C601 is that the control end of described shutdown driver element is connected with the control end of described second switch pipe, the other end ground connection of described electric capacity C601, the input end of described second switch pipe is the drive end of described shutdown driver element, the output head grounding of described second switch pipe.
Further, described second switch pipe is NPN type triode, the current input terminal of the very described second switch pipe of current collection of described NPN type triode, the current output terminal of the very described second switch pipe of transmitting of described NPN type triode, the base stage of described NPN type triode is the control end of described second switch pipe.
Another object of the utility model embodiment is, provides a kind of heat abstractor adopting said system shutdown automatic heat radiation circuit.
Another object of the utility model embodiment is, provides a kind of electronic equipment adopting above-mentioned heat abstractor.
The utility model embodiment is worked as system and is shut down under the condition of heavy duty, system temperature rises rapidly, control shutdown drive unit drives fan by shutoff temperature detecting unit to be rotated further after system closedown, thus after realizing shutdown, the waste heat of system environments is discharged, reduce system device temperature, thus improve the life and reliability of computer system, and shut down under the condition of underloading, do not control fan turns, realize the object of green energy conservation.
Accompanying drawing explanation
The structural drawing of the system closedown automatic heat radiation circuit that Fig. 1 provides for the utility model embodiment;
The exemplary circuit structural drawing of the system closedown automatic heat radiation circuit that Fig. 2 provides for the utility model embodiment.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.In addition, if below in described each embodiment of the utility model involved technical characteristic do not form conflict each other and just can mutually combine.
The utility model embodiment is worked as system and is shut down under the condition of heavy duty, system temperature rises rapidly, control shutdown drive unit drives fan by shutoff temperature detecting unit to be rotated further after system closedown, thus after realizing shutdown, the waste heat of system environments is discharged, reduce system device temperature, thus improve the life and reliability of computer system, and shut down under the condition of underloading, do not control fan turns, realize the object of green energy conservation.
Below in conjunction with specific embodiment, realization of the present utility model is described in detail:
Fig. 1 shows the structure of the system closedown automatic heat radiation circuit that the utility model embodiment provides, and for convenience of explanation, illustrate only the part relevant to the utility model.
As the utility model one embodiment, this system closedown automatic heat radiation circuit can be applied in the heat abstractor of any electronic equipment, and this system closedown automatic heat radiation circuit is connected with fan 2, comprising:
Isolated location 11, for isolating working power voltage and standby power voltage, the first input end of isolated location 15 is connected with 12V working power voltage, and the second input end of isolated location 11 is connected with 5VSB standby power voltage, and the output terminal of isolated location 11 is connected with the positive pole of fan 2;
Starting fan speed adjustment unit 12, for starting fan, and according to current system temperature controlled fan rotation speed change, to realize intelligent cooling, the first input end of starting fan speed adjustment unit 12 is connected with the positive pole of fan 2, and the second input end of starting fan speed adjustment unit 12 is connected with the negative pole of fan 2;
Shutoff temperature detecting unit 13, for detection system Current Temperatures after system closedown, when system Current Temperatures is greater than preset value, generate shutdown cooling enabling signal, the input end of shutoff temperature detecting unit 13 is connected with 5VSB standby power voltage;
Shutdown driver element 14, for rotating according to shutdown cooling enabling signal and 5V standby power voltage driven fan 2, after realizing shutdown, the waste heat of system environments is discharged, the control end of shutdown driver element 14 is connected with the output terminal of shutoff temperature detecting unit 13, and the drive end of shutdown driver element 14 is connected with the negative pole of fan 2.
In the utility model embodiment, computer is when starting shooting fully loaded work, fan 2 powered by 12V working power after startup work, and along with after the temperature rising of system environments, the change of detection system temperature, controls the rotating speed of fan according to system temperature, control fan when system temperature is higher and increase rotating speed, when system temperature is lower, controls fan and reduce rotating speed, thus realize the function of intelligent cooling;
Computer shuts down after heavy duty work, at this moment due to system closedown, 12V working power voltage dead electricity, if do not increase system closedown automatic heat radiation technology, now fan stops operating, internal system is because of fan stall, temperature meeting rapid temperature increases, infringement lifetime of system, and after adopting system closedown automatic heat radiation technology, 5VSB standby power power voltage supply can be passed through after system closedown, by shutoff temperature detecting unit 13 detection system Current Temperatures when system Current Temperatures is greater than preset value after system closedown, generate shutdown cooling enabling signal control shutdown driver element 14 drive fan 2 to be rotated further after system closedown, after realizing shutdown, the waste heat of system environments is discharged, until system temperature stops after declining.
And when light load system shuts down, shutoff temperature detecting unit 13 detects that the temperature of system is also lower, shutdown driver element 14 not drive fan 2 works, thus reaches the object of green energy conservation.
The utility model embodiment is worked as system and is shut down under the condition of heavy duty, system temperature rises rapidly, control shutdown drive unit drives fan by shutoff temperature detecting unit to be rotated further after system closedown, thus after realizing shutdown, the waste heat of system environments is discharged, reduce system device temperature, thus improve the life and reliability of computer system, and shut down under the condition of underloading, do not control fan turns, realize the object of green energy conservation.
Fig. 2 shows the exemplary circuit structure of the system closedown automatic heat radiation circuit that the utility model embodiment provides, and for convenience of explanation, illustrate only the part relevant to the utility model.
As the utility model one embodiment, isolated location 11 comprises:
Diode D601 and diode D602;
The anode of diode D602 is the first input end of isolated location 11, and the anode of diode D601 is the second input end of isolated location 11, and the negative electrode of diode D602 is that the output terminal of isolated location 11 is connected with the negative electrode of diode D601.
Starting fan speed adjustment unit 12 comprises:
Electric capacity C610, electric capacity C611, voltage stabilizing diode ZD610, the first switching tube, resistance R610, resistance R611 and negative tempperature coefficient thermistor TR601;
One end of electric capacity C611 is that the first input end of starting fan speed adjustment unit 12 is connected with one end of resistance R611, the other end of resistance R611 is connected with one end of negative tempperature coefficient thermistor TR601, the other end of electric capacity C611 is connected with the negative electrode of voltage stabilizing diode ZD610 and the current input terminal of the first switching tube while of being the second input end of starting fan speed adjustment unit 12, the anode of voltage stabilizing diode ZD610 is connected with the control end of the first switching tube and the other end of negative tempperature coefficient thermistor TR601 simultaneously, the other end of negative tempperature coefficient thermistor TR601 is also by resistance R610 ground connection, the current output terminal ground connection of the first switching tube, the other end of electric capacity C611 is also by electric capacity C610 ground connection.
As the utility model one preferred embodiment, first switching tube Q1 can adopt NPN type triode to realize, the current input terminal of the current collection of NPN type triode very the first switching tube Q1, the current output terminal of the transmitting of NPN type triode very the first switching tube Q1, the base stage of NPN type triode is the control end of the first switching tube Q1.
In the utility model embodiment, computer is when starting shooting fully loaded work, fan 2 is powered by 12V working power, and 12V working power voltage exports from diode D602 and forms loop by fan 2, voltage stabilizing diode ZD610, resistance R610, thus realizes the startup to fan 2.
Along with the rising of environment temperature, the resistance step-down of negative tempperature coefficient thermistor TR601, the voltage of resistance R610 raises, the V of the first switching tube Q1
bEraise, drive current becomes large, progressively to saturation conduction transition, according to the characteristic of triode, and the V of the first switching tube Q1
cEstep-down, final first switching tube Q1 saturation conduction, 12V working power voltage exports from diode D602 and forms loop, due to the V of the first switching tube Q1 by the collector and emitter of fan 2, first switching tube Q1
cEreduce, thus the voltage at fan 2 two ends raises, fan 2 rotating speed uprises, and reduces environment temperature.
Along with the decline of environment temperature, the resistance of negative tempperature coefficient thermistor TR601 uprises, and the voltage of resistance R610 reduces, the V of the first switching tube Q1
bEreduce, drive current diminishes, according to the characteristic of triode, and the V of the first switching tube Q1
cEuprise, 12V working power voltage exports from diode D602 and forms loop, due to the V of the first switching tube Q1 by the collector and emitter of fan 2, first switching tube Q1
cEraise, thus the voltage drop at fan 2 two ends is supported, fan 2 rotating speed reduces, and reaches the function regulating rotation speed of the fan.
The utility model embodiment is by the change of the resistance of the thermistor of negative temperature coefficient, and the rotation speed of fan of adjustment power supply when normal work, reaches the function automatically adjusting heat radiation when normal work automatically.
As the utility model one embodiment, shutoff temperature detecting unit 13 comprises:
Resistance R603, resistance R604 and negative tempperature coefficient thermistor TR602;
One end of resistance R603 is the input end of shutoff temperature detecting unit 13, the other end of resistance R603 is connected with one end of negative tempperature coefficient thermistor TR602, and the other end of negative tempperature coefficient thermistor TR602 is that the output terminal of shutoff temperature detecting unit 13 is by resistance R604 ground connection.
Shutdown driver element 14 comprises:
Electric capacity C601 and second switch pipe Q2;
One end of electric capacity C601 is that the control end of shutdown driver element 14 is connected with the control end of second switch pipe Q2, the other end ground connection of electric capacity C601, the input end of described second switch pipe is the drive end of described shutdown driver element, the output head grounding of described second switch pipe.
As the utility model one preferred embodiment, second switch pipe Q2 can adopt NPN type triode to realize, the current input terminal of the current collection of NPN type triode very second switch pipe Q2, the current output terminal of the transmitting of NPN type triode very second switch pipe Q2, the base stage of NPN type triode is the control end of second switch pipe Q2.
In the utility model embodiment, when after system closedown, 12V working power voltage dead electricity, but 5VSB standby power voltage also has electricity, now powered by 5VSB standby power voltage, because shutdown heatsink temperature can raise rapidly, the resistance of negative tempperature coefficient thermistor TR602 diminishes rapidly, the V of second switch pipe Q2
bEvoltage uprises rapidly, second switch pipe Q2 conducting, 5VSB standby power voltage is that fan is powered by second switch pipe Q2, fan starts to rotate under the driving of the voltage close to 5VSB, discharge, and now the noise of fan is very low after realizing shutdown to the waste heat of system environments, loss is also little, when after system ambient temperature step-down, the resistance of negative tempperature coefficient thermistor TR602 becomes large, the V of second switch pipe Q2
bEvoltage step-down, second switch pipe Q2 turns off, and at this moment 5VSB standby power voltage cannot be powered, and blower fan stops operating.
And when system is run under underloading, the temperature of system is natively very low, and the temperature of device is natively very low, and after system closedown, temperature there is no rising, and the resistance of negative tempperature coefficient thermistor TR602 is also higher, the V of second switch pipe Q2
bEallow second switch pipe Q2 conducting not enough, thus reach system closing under the condition of underloading, fan also no longer turns, and realizes the object of green energy conservation.
In the utility model embodiment, electric capacity C601 is used for filtering, prevents interference, and voltage stabilizing diode ZD610 and electric capacity C610 starts fan, particularly under the effect of low temperature, ensures that fan reliably starts.
Another object of the utility model embodiment is, provides a kind of heat abstractor adopting said system shutdown automatic heat radiation circuit, and adopts the electronic equipment of above-mentioned heat abstractor.
The utility model embodiment is worked as system and is shut down under the condition of heavy duty, system temperature rises rapidly, control shutdown drive unit drives fan by shutoff temperature detecting unit to be rotated further after system closedown, thus after realizing shutdown, the waste heat of system environments is discharged, reduce system device temperature, thus improve the life and reliability of computer system, and shut down under the condition of underloading, do not control fan turns, realize the object of green energy conservation.
These are only preferred embodiment of the present utility model, not in order to limit the utility model, all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (9)
1. a system closedown automatic heat radiation circuit, is connected with fan, it is characterized in that, described circuit comprises:
To the isolated location that working power voltage and standby power voltage are isolated, the first input end of described isolated location is connected with working power voltage, second input end of described isolated location is connected with standby power voltage, and the output terminal of described isolated location is connected with the positive pole of described fan;
Start fan, and according to current system temperature controlled fan rotation speed change, to realize the starting fan speed adjustment unit of intelligent cooling, the first input end of described starting fan speed adjustment unit is connected with the positive pole of described fan, and the second input end of described starting fan speed adjustment unit is connected with the negative pole of described fan;
Detection system Current Temperatures after system closedown, when system Current Temperatures is greater than preset value, generate the shutoff temperature detecting unit of shutdown cooling enabling signal, the input end of described shutoff temperature detecting unit is connected with standby power voltage;
According to described shutdown cooling enabling signal and standby power voltage driven fan turns, the shutdown driver element after realizing shutdown, the waste heat of system environments discharged, the control end of described shutdown driver element is connected with the output terminal of described shutoff temperature detecting unit, and the drive end of described shutdown driver element is connected with the negative pole of described fan.
2. circuit as claimed in claim 1, it is characterized in that, described isolated location comprises:
Diode D601 and diode D602;
The anode of described diode D602 is the first input end of described isolated location, the anode of described diode D601 is the second input end of described isolated location, and the negative electrode of described diode D602 is that the output terminal of described isolated location is connected with the negative electrode of described diode D601.
3. circuit as claimed in claim 1, it is characterized in that, described starting fan speed adjustment unit comprises:
Electric capacity C610, electric capacity C611, voltage stabilizing diode ZD610, the first switching tube, resistance R610, resistance R611 and negative tempperature coefficient thermistor TR601;
One end of described electric capacity C611 is that the first input end of described starting fan speed adjustment unit is connected with one end of described resistance R611, the other end of described resistance R611 is connected with one end of described negative tempperature coefficient thermistor TR601, the other end of described electric capacity C611 is connected with the negative electrode of described voltage stabilizing diode ZD610 and the current input terminal of described first switching tube while of being the second input end of described starting fan speed adjustment unit, the anode of described voltage stabilizing diode ZD610 is connected with the control end of described first switching tube and the other end of described negative tempperature coefficient thermistor TR601 simultaneously, the other end of described negative tempperature coefficient thermistor TR601 is also by described resistance R610 ground connection, the current output terminal ground connection of described first switching tube, the other end of described electric capacity C611 is also by described electric capacity C610 ground connection.
4. circuit as claimed in claim 3, it is characterized in that, described first switching tube is NPN type triode, the current input terminal of very described first switching tube of current collection of described NPN type triode, the current output terminal of very described first switching tube of transmitting of described NPN type triode, the base stage of described NPN type triode is the control end of described first switching tube.
5. circuit as claimed in claim 1, it is characterized in that, described shutoff temperature detecting unit comprises:
Resistance R603, resistance R604 and negative tempperature coefficient thermistor TR602;
One end of described resistance R603 is the input end of described shutoff temperature detecting unit, the other end of described resistance R603 is connected with one end of described negative tempperature coefficient thermistor TR602, and the other end of described negative tempperature coefficient thermistor TR602 is that the output terminal of described shutoff temperature detecting unit is by described resistance R604 ground connection.
6. circuit as claimed in claim 1, it is characterized in that, described shutdown driver element comprises:
Electric capacity C601 and second switch pipe;
One end of described electric capacity C601 is that the control end of described shutdown driver element is connected with the control end of described second switch pipe, the other end ground connection of described electric capacity C601, the input end of described second switch pipe is the drive end of described shutdown driver element, the output head grounding of described second switch pipe.
7. circuit as claimed in claim 6, it is characterized in that, described second switch pipe is NPN type triode, the current input terminal of the very described second switch pipe of current collection of described NPN type triode, the current output terminal of the very described second switch pipe of transmitting of described NPN type triode, the base stage of described NPN type triode is the control end of described second switch pipe.
8. a heat abstractor, is characterized in that, described heat abstractor comprises the system closedown automatic heat radiation circuit as described in any one of claim 1 to 7.
9. an electronic equipment, is characterized in that, described electronic equipment comprises heat abstractor as claimed in claim 8.
Priority Applications (1)
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CN201520093167.7U CN204423290U (en) | 2015-02-09 | 2015-02-09 | A kind of system closedown automatic heat radiation circuit, heat abstractor and electronic equipment |
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CN201520093167.7U CN204423290U (en) | 2015-02-09 | 2015-02-09 | A kind of system closedown automatic heat radiation circuit, heat abstractor and electronic equipment |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106056883A (en) * | 2016-07-29 | 2016-10-26 | 苏州盖恩茨电子科技有限公司 | Speed regulation fan type temperature control wireless data receiver |
CN107218243A (en) * | 2017-07-28 | 2017-09-29 | 青岛海信电器股份有限公司 | Fan control device and electronic equipment |
CN108803850A (en) * | 2018-07-08 | 2018-11-13 | 上海至盛信息技术股份有限公司 | A kind of method of quick shutdown heat dissipation |
CN109630453A (en) * | 2019-02-28 | 2019-04-16 | 苏州浪潮智能科技有限公司 | A kind of fan control system and server |
CN112068614A (en) * | 2020-09-09 | 2020-12-11 | 深圳市道通智能航空技术有限公司 | Temperature control heat dissipation circuit and electronic equipment |
CN114466577A (en) * | 2022-04-11 | 2022-05-10 | 浙江德塔森特数据技术有限公司 | Multifunctional data machine room acquisition and control method and equipment |
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2015
- 2015-02-09 CN CN201520093167.7U patent/CN204423290U/en not_active Expired - Fee Related
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106056883A (en) * | 2016-07-29 | 2016-10-26 | 苏州盖恩茨电子科技有限公司 | Speed regulation fan type temperature control wireless data receiver |
CN107218243A (en) * | 2017-07-28 | 2017-09-29 | 青岛海信电器股份有限公司 | Fan control device and electronic equipment |
CN108803850A (en) * | 2018-07-08 | 2018-11-13 | 上海至盛信息技术股份有限公司 | A kind of method of quick shutdown heat dissipation |
CN109630453A (en) * | 2019-02-28 | 2019-04-16 | 苏州浪潮智能科技有限公司 | A kind of fan control system and server |
CN112068614A (en) * | 2020-09-09 | 2020-12-11 | 深圳市道通智能航空技术有限公司 | Temperature control heat dissipation circuit and electronic equipment |
CN114466577A (en) * | 2022-04-11 | 2022-05-10 | 浙江德塔森特数据技术有限公司 | Multifunctional data machine room acquisition and control method and equipment |
CN114466577B (en) * | 2022-04-11 | 2022-07-15 | 浙江德塔森特数据技术有限公司 | Multifunctional data machine room acquisition and control method and equipment |
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Address after: 518000 computer building of the Great Wall, Nanshan District science and Technology Park, Shenzhen, Guangdong Patentee after: CHINA GREAT WALL TECHNOLOGY GROUP Co.,Ltd. Address before: 518000 the Great Wall computer building, 3 FA FA Road, Nanshan District science and Technology Park, Guangdong, Shenzhen Patentee before: CHINA GREATWALL COMPUTER SHENZHEN Co.,Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150624 |