CN201717787U - Ion heat dissipating device - Google Patents
Ion heat dissipating device Download PDFInfo
- Publication number
- CN201717787U CN201717787U CN2010201641236U CN201020164123U CN201717787U CN 201717787 U CN201717787 U CN 201717787U CN 2010201641236 U CN2010201641236 U CN 2010201641236U CN 201020164123 U CN201020164123 U CN 201020164123U CN 201717787 U CN201717787 U CN 201717787U
- Authority
- CN
- China
- Prior art keywords
- ion
- signal
- heat dissipation
- current
- dissipation equipment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20172—Fan mounting or fan specifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33507—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters
- H02M3/33523—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters with galvanic isolation between input and output of both the power stage and the feedback loop
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Dc-Dc Converters (AREA)
Abstract
An ion heat dissipating device comprises a power device and an ionic wind generating device. The power device includes a power switching circuit, a pulse width modulation controller, a transformer, a voltage doubling rectifying circuit and a current feedback circuit. The power switching circuit is used for switching an external direct-current power signal into an alternating-current power signal. The transformer is used for boosting the alternating-current power signal. The voltage doubling rectifying circuit is used for voltage doubling and rectifying of the boosted alternating-current power signal into a high-voltage direct-current power signal to drive the ionic wind generating device. The current feedback circuit is used for detecting a current signal generated by excited ions in the ion heat dissipating device. The pulse width modulation controller is used for controlling the power switching circuit according to the current signal detected by the current feedback circuit so as to adjust the high-voltage direct-current power signal. The ion heat dissipating device adopting current feedback control can avoid the influence of environment temperature so as to effectively control wind speed of the ion heat dissipating device and realize jump spark protection.
Description
Technical field
The utility model relates to heat dissipation equipment, particularly a kind of ion heat dissipation equipment.
Background technology
Existing ion heat dissipation equipment adopts Voltage Feedback control usually, by feedback and regulate the driving voltage of ion heat dissipation equipment, thereby controls the wind speed of the ion wind of its generation.Because ambient temperature can influence the ion excitation voltage of ion heat dissipation equipment, therefore utilize the wind speed of the ion heat dissipation equipment of identical driven under the varying environment temperature, can change, so the wind speed of ion heat dissipation equipment can't be effectively controlled in Voltage Feedback control.Simultaneously, Voltage Feedback control is set at preset value (as 5000-6000V) according to required wind speed with the driving voltage of ion heat dissipation equipment, and arcing easily takes place when ambient temperature changes.
The utility model content
In view of this, a kind of ion heat dissipation equipment need be provided, the wind speed of ion heat dissipation equipment can be under the varying environment temperature, effectively controlled.
Ion heat dissipation equipment in the utility model execution mode comprises supply unit and ion wind generation device.Wherein, supply unit comprises power-switching circuit, Pwm controller, transformer, voltage doubling rectifing circuit and current feedback circuit.Wherein, to be used for the external dc power conversion of signals be ac supply signal to power-switching circuit.Transformer is used to the ac supply signal that boosts.It is the high voltage direct current source signal that voltage doubling rectifing circuit is used for the ac supply signal voltage multiplying rectifier after boosting, to drive the ion wind generation device.Current feedback circuit is used to detect ion heat dissipation equipment intermediate ion and excites the current signal that is produced.Pwm controller is used for according to described current feedback circuit current detected signal control power supply change-over circuit, thereby regulates the high voltage direct current source signal.
Preferably, described current feedback circuit is connected between described Secondary winding of transformer low-pressure end and the Pwm controller, detects described current signal and feeds back to described Pwm controller with described Secondary winding of transformer low-pressure end.
Preferably, described current feedback circuit comprises diode, resistance and electric capacity.Wherein, the anode of diode links to each other with the low-pressure end of transformer in the described supply unit, and negative electrode links to each other with Pwm controller in the described supply unit.Resistance is connected between described diode cathode and the ground.Electric capacity is connected between described diode cathode and the ground.
Preferably, described ion wind generation device comprises transmitting terminal and receiving terminal.Transmitting terminal is used to receive described high voltage direct current source signal, with excited ion.Receiving terminal is used to receive the ion that described transmitting terminal excites.
Preferably, described current feedback circuit is connected between the receiving terminal and the Pwm controller in the described supply unit of described ion wind generation device, detects described current signal and feeds back to described Pwm controller with the receiving terminal of described ion wind generation device.
Preferably, described current feedback circuit comprises diode, resistance and electric capacity.Wherein, diode anode links to each other with the receiving terminal of described ion wind generation device, and negative electrode links to each other with Pwm controller in the described supply unit.Resistance is connected between described diode cathode and the ground.Electric capacity is connected between described diode cathode and the ground.
The ion heat dissipation equipment that the utility model proposes utilizes Current Feedback Control, can avoid the influence of ambient temperature, thereby effectively controls the wind speed of ion heat abstractor and realize the arcing protection.
Description of drawings
Fig. 1 is the schematic diagram of a kind of execution mode of ion heat dissipation equipment that the utility model proposes;
Fig. 2 is the schematic diagram of the another kind of execution mode of the ion heat dissipation equipment that the utility model proposes; And
Fig. 3 is the physical circuit figure of a kind of execution mode of current feedback circuit in the supply unit of ion heat dissipation equipment.
The main element symbol description
Ion heat dissipation equipment 10,10 '
Supply unit 100,100 '
Ion wind generation device 200
Power-switching circuit 110
Transformer 130
Voltage doubling rectifing circuit 140
Transmitting terminal 210
Receiving terminal 220
Diode D1
Resistance R 1
Capacitor C 1
Embodiment
Fig. 1 is the schematic diagram of the 10 1 kinds of execution modes of ion heat dissipation equipment that the utility model proposes.As shown in Figure 1, ion heat dissipation equipment 10 comprises supply unit 100 and ion wind generation device 200.Supply unit 100 is used to change external dc power signal Vin, and output high voltage direct current source signal Vout driving ion wind generation device 200 generation ion wind are dispelled the heat.Wherein, supply unit 100 comprises power-switching circuit 110, Pwm controller 120, transformer 130, voltage doubling rectifing circuit 140 and current feedback circuit 150.Ion wind generation device 200 comprises transmitting terminal 210 and receiving terminal 220.
In the present embodiment, power-switching circuit 110 comprises AC, is used for external dc power signal Vin is converted to ac supply signal.In other embodiments, power-switching circuit 110 also comprises the DC/DC conversion circuit, is used to change the voltage quasi position of external dc power signal Vin.Pwm controller 120 is used to control power-switching circuit 110, with the voltage and the frequency of the ac supply signal of regulating power-switching circuit 110 outputs.Transformer 130 is a step-up transformer, is used for the ac supply signal that booster power change-over circuit 110 is exported.It is high voltage direct current source signal Vout that voltage doubling rectifing circuit 140 is used for the ac supply signal voltage multiplying rectifier after boosting, to drive ion wind generation device 200.The transmitting terminal 210 of ion wind generation device 200 receives high voltage direct current source signal Vout, thereby excites air ionization to generate cation or anion, and described cation or anion drive air and form ion wind when receiving terminal 220 moves.Simultaneously, described cation or anion are at a mobile meeting small electric current of corresponding formation (as 0.1-0.5mA) of 220 of the transmitting terminal 210 of ion wind generation device 200 and receiving terminals, the i.e. current signal that ion excitation produced.During fixed distance that the transmitting terminal 210 of ion wind generation device 200 and receiving terminal are 220, the ion concentration that the size of described current signal and ion wind generation device 200 produce is proportional, and promptly the wind speed of the ion wind of the size of described current signal and 10 generations of ion heat dissipation equipment is proportional.As, when the distance of 220 of transmitting terminal 210 and receiving terminals was 7mm, when 0.1mA was adjusted to 0.5mA, the wind speed of ion wind increased to 2.0m/s with corresponding from 1.4m/s with described current signal.And when arcing takes place ion heat dissipation equipment 10, because transmitting terminal 210 and 220 discharges of receiving terminal, described current signal will obviously increase (as 1-2A).
As shown in Figure 1, current feedback circuit 150 is connected between the low-pressure end and Pwm controller 120 of transformer 130 secondary winding.In the present embodiment, current feedback circuit 150 is detected described current signal with the low-pressure end of transformer 130 secondary winding in the supply unit 100, more described current signal is fed back to Pwm controller 120.As shown in Figure 3, current feedback circuit 150 comprises diode D1, resistance R 1 and capacitor C 1.Wherein, the anode of diode D1 links to each other with the low-pressure end of transformer 130 secondary winding, and negative electrode links to each other with Pwm controller 120, is used to detect described current signal and carries out rectification.Resistance R 1 is connected between the negative electrode and ground of diode D1, is used for according to the corresponding formation voltage signal of described current signal, to control described Pwm controller 120.Capacitor C 1 is connected between the negative electrode and ground of diode D1, is used for the noise of the described current signal of filtering.
Fig. 2 is the schematic diagram of ion heat dissipation equipment 10 ' the another kind of execution mode that the utility model proposes.Ion heat dissipation equipment 10 ' among Fig. 2 is the position of the described current signal of current feedback circuit 150 detectings in the supply unit 100 ' with the difference of Fig. 1.As shown in Figure 2, current feedback circuit 150 is connected between the receiving terminal 220 and Pwm controller 120 of ion wind generation device 200.In the present embodiment, current feedback circuit 150 feeds back to Pwm controller 120 with described current signal again with the described current signal of receiving terminal 220 detectings of ion wind generation device 200.Correspondingly, the anode of diode D1 links to each other with the receiving terminal 220 of ion wind generation device 200 in the current feedback circuit 150, and negative electrode links to each other with Pwm controller 120.
The ion heat dissipation equipment that the utility model proposes utilizes Current Feedback Control, can avoid the influence of ambient temperature, thereby effectively controls the wind speed of ion heat dissipation equipment and realize the arcing protection.
Claims (6)
1. an ion heat dissipation equipment comprises supply unit and ion wind generation device, it is characterized in that described supply unit comprises:
Power-switching circuit, being used for the external dc power conversion of signals is ac supply signal;
Transformer, described ac supply signal is used to boost;
Voltage doubling rectifing circuit, being used for the ac supply signal voltage multiplying rectifier after boosting is the high voltage direct current source signal, to drive described ion wind generation device;
Current feedback circuit is used to detect described ion heat dissipation equipment intermediate ion and excites the current signal that is produced; And
Pwm controller is used for according to the described power-switching circuit of described current feedback circuit current detected signal controlling, thereby regulates described high voltage direct current source signal.
2. ion heat dissipation equipment as claimed in claim 1, it is characterized in that, described current feedback circuit is connected between described Secondary winding of transformer low-pressure end and the Pwm controller, detects described current signal and feeds back to described Pwm controller with described Secondary winding of transformer low-pressure end.
3. ion heat dissipation equipment as claimed in claim 2 is characterized in that, described current feedback circuit comprises:
Diode, anode links to each other with the low-pressure end of transformer secondary output winding in the described supply unit, and negative electrode links to each other with Pwm controller in the described supply unit;
Resistance is connected between described diode cathode and the ground; And
Electric capacity is connected between described diode cathode and the ground.
4. ion heat dissipation equipment as claimed in claim 1 is characterized in that, described ion wind generation device comprises:
Transmitting terminal is used to receive described high voltage direct current source signal, with excited ion; And
Receiving terminal is used to receive the ion that described transmitting terminal excites.
5. ion heat dissipation equipment as claimed in claim 4, it is characterized in that, described current feedback circuit is connected between the receiving terminal and the Pwm controller in the described supply unit of described ion wind generation device, detects described current signal and feeds back to described Pwm controller with the receiving terminal of described ion wind generation device.
6. ion heat dissipation equipment as claimed in claim 5 is characterized in that, described current feedback circuit comprises:
Diode, anode links to each other with the receiving terminal of described ion wind generation device, and negative electrode links to each other with Pwm controller in the described supply unit;
Resistance is connected between described diode cathode and the ground; And
Electric capacity is connected between described diode cathode and the ground.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201641236U CN201717787U (en) | 2010-04-20 | 2010-04-20 | Ion heat dissipating device |
| US12/844,830 US20110253348A1 (en) | 2010-04-20 | 2010-07-28 | Ionic thermal dissipation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201641236U CN201717787U (en) | 2010-04-20 | 2010-04-20 | Ion heat dissipating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201717787U true CN201717787U (en) | 2011-01-19 |
Family
ID=43463794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201641236U Expired - Fee Related CN201717787U (en) | 2010-04-20 | 2010-04-20 | Ion heat dissipating device |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US20110253348A1 (en) |
| CN (1) | CN201717787U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103187878A (en) * | 2011-12-28 | 2013-07-03 | Tdk株式会社 | DC-DC convertor |
| CN109578956A (en) * | 2018-12-20 | 2019-04-05 | 桂林电子科技大学 | A kind of heat management system for LED illumination lamp |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2497038A1 (en) * | 1980-12-19 | 1982-06-25 | Frager Jean | POWER CURRENT GENERATOR, IN PARTICULAR FOR DISCHARGE PROCESS IN A RAREFIRED ATMOSPHERE |
| JP4489090B2 (en) * | 2007-01-30 | 2010-06-23 | シャープ株式会社 | Ion generator and electrical equipment |
-
2010
- 2010-04-20 CN CN2010201641236U patent/CN201717787U/en not_active Expired - Fee Related
- 2010-07-28 US US12/844,830 patent/US20110253348A1/en not_active Abandoned
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103187878A (en) * | 2011-12-28 | 2013-07-03 | Tdk株式会社 | DC-DC convertor |
| CN103187878B (en) * | 2011-12-28 | 2016-08-03 | Tdk株式会社 | Dc-dc |
| CN109578956A (en) * | 2018-12-20 | 2019-04-05 | 桂林电子科技大学 | A kind of heat management system for LED illumination lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| US20110253348A1 (en) | 2011-10-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110119 Termination date: 20120420 |