CN109660125A - The circuit structure of high power power power supply unit - Google Patents
The circuit structure of high power power power supply unit Download PDFInfo
- Publication number
- CN109660125A CN109660125A CN201710949061.6A CN201710949061A CN109660125A CN 109660125 A CN109660125 A CN 109660125A CN 201710949061 A CN201710949061 A CN 201710949061A CN 109660125 A CN109660125 A CN 109660125A
- Authority
- CN
- China
- Prior art keywords
- voltage
- converter
- graphene
- power
- resonant converter
- 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.)
- Withdrawn
Links
Classifications
-
- 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
-
- 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
- H02M1/00—Details of apparatus for conversion
- H02M1/10—Arrangements incorporating converting means for enabling loads to be operated at will from different kinds of power supplies, e.g. from ac or dc
-
- 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
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20945—Thermal management, e.g. inverter temperature control
-
- 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
- H02M1/00—Details of apparatus for conversion
- H02M1/0067—Converter structures employing plural converter units, other than for parallel operation of the units on a single load
- H02M1/008—Plural converter units for generating at two or more independent and non-parallel outputs, e.g. systems with plural point of load switching regulators
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Rectifiers (AREA)
Abstract
The invention discloses a kind of circuit structures of high power power power supply unit, at least have the function of one first step voltage supply module and a secondary voltage supply module and is provided with multiple groups output voltage, the secondary voltage supply module is equipped with one second resonant converter, one second synchronous rectifier, one or Men Yuyi reducing transformer, second synchronous rectifier is electrically connected second resonant converter, should or door and the reducing transformer, second resonant converter is converted to form a secondary voltage using the conversion voltage of the first step voltage supply module, to make second synchronous rectifier, this or door and the reducing transformer export one first secondary voltage respectively, one second subprime voltage and a third secondary voltage.
Description
Technical field
The invention belongs to the technical fields of power supply equipment, especially with regard to a kind of circuit of high power power power supply unit
Structure, to use resonant converter (LLC Converter) collocation synchronous rectifier (Synchronous using secondary side
Rectifier, SR Rect.) circuit framework promote the energy conversion efficiency of whole power supply.
Background technique
For the application of extensive input voltage range and High Output Current, switching power supply equipment
(Switch Power Supply, SPS) is compared compared with linear voltage stabilization equipment, is had significant high efficiency advantage and is presented more aggressive
Market applicability, and its common circuit framework is nothing more than having flyback (Flyback), buck (Buck), boost type
(Boost), forward type (Forward) and push-pull type (Push-pull) etc..For example, as shown in Figure 1, existing tool multiple groups are defeated
The power supply unit 1 of voltage function can be by 10, one bridge rectifier 11 of an electromagnetic filter (EMI Filter), a function because of school out
Rotate forward parallel operation (Power Factor Corrector Converter, PFC Converter) 12, one LLC Converter 13
16 (resonant converter), a SR Rect.14 (synchronous rectifier), an at least reducing transformer 15 and a direction flyback converter structures
At, and the bridge rectifier 11 is electrically connected the EMI Filter 10 and the PFC Converter 12, the LLC
Converter 13 is electrically connected the PFC Converter 12, the SR Rect.14 and the direction flyback converter 16, the SR
Rect.14 is electrically connected the reducing transformer 15.The bridge rectifier 11 accepts an input voltage and whole by the EMI Filter 10
Stream forms a rectified voltage, so that the PFC Converter 12 carries out capability correction and formed to provide after a conversion voltage and give this
LLC Converter 13 and the direction flyback converter 16, also, the LLC Converter 13 and the direction flyback converter 16
It is utilized respectively a secondary voltage of one primary voltage of conversion voltage output and 5Vsb (V)/2.01A (ampere).Also, the LLC
Converter 13 and passes through multiple uses by one first primary voltage of SR Rect.14 rectification output 12V/58.85A
15 reduced output voltage 5V/18.19A of multiple reducing transformer, mono- second primary voltage and mono- third primary electrical of 3.3V/18.19A of kenel
Pressure.In this way, the bridge rectifier 11, the PFC Converter 12, the LLC Converter 13, the reducing transformer for exporting 5V
15, the energy conversion efficiency (Eff) of the reducing transformer 15 and the direction flyback converter 16 for exporting 3.3V will be as shown in following table (one).
Table (one)
| Input power (W) | Output power (W) | Eff. (%) | |
| Bridge rectifier end | 99.44W | ||
| PFC Converter | 966.66W | 917.461W | 94.91% |
| LLC Converter | 904.98W | 871.221W | 96.27% |
| 5V reducing transformer | 98.32W | 90.95W | 92.50% |
| 3.3V reducing transformer | 66.70W | 60.027W | 90.00% |
| Direction flyback converter | 12.48W | 10.05W | 80.50% |
The power supply unit 1 is should by the LLC Converter 13 of rear class and 16 magnetic strength of direction flyback converter
Conversion voltage and form the function of multiple groups output voltage.Meanwhile using the direction flyback converter 16 through feedback stablize after output one
Operating voltage gives 12 feedback output voltage values of PFC Converter and the PFC Converter 12 is driven to carry out function because adjusting
The stability of output voltage is realized after control.But, it in this framework, is depressured to form 5Vsb using first primary voltage of 12V
The secondary voltage only present about 80% energy conversion efficiency, in other words, when the pressure value of the secondary voltage and the primary voltage
When difference is bigger, the energy conversion efficiency of the secondary voltage does not meet the development trend of green energy environmentally friendly at present by more low.And
And to convert the output voltage to form different pressure values using the primary voltage, which is used in the SR Rect.14
The circuit framework of the reducing transformer 15 of the multiple kenels of rear end addition more makes integrated circuit structure in addition to influencing energy conversion efficiency
Complexity be significantly increased and be unfavorable for the miniaturization of products.Thoughts on this, the circuit framework of the power supply unit 1 how is improved,
To promote energy conversion efficiency while providing multiple groups and stabilizing the output voltage, as the present invention wants the project probed into.
Summary of the invention
In view of the above problem, the purpose of the present invention is to provide a kind of circuit structure of high power power power supply unit, with
Using LLC Converter collocation SR Rect. and Or-ring as the circuit framework of secondary side secondary voltage, to realize energy
Measure the promotion of transfer efficiency.
Purpose according to the present invention, the circuit structure of the high power power power supply unit at least have the supply of one first step voltage
Module and a secondary voltage supply module and the function of being provided with multiple groups output voltage, and the first step voltage supply module is equipped with
One bridge rectifier, a power factor correction function converter, one first resonant converter and one first synchronous rectifier, the power factor correction function
Converter is electrically connected the bridge rectifier and first resonant converter, first resonant converter be electrically connected this
One synchronous rectifier makes this after the power factor correction function converter forms a conversion voltage using the rectified voltage of the bridge rectifier
First resonant converter is converted to form one first step voltage and export by first synchronous rectifier, in which: the secondary electrical
Supply module is pressed to be equipped with one second resonant converter, one second synchronous rectifier, one or door (Or-ing) and a reducing transformer, it should
Second resonant converter is electrically connected the power factor correction function converter, first resonant converter and second synchronous rectification
Device, and second synchronous rectifier be electrically connected should or door and the reducing transformer, second resonant converter utilize conversion electricity
Pressure conversion formed a secondary voltage, thus make second synchronous rectifier with should or door export one first secondary voltage and one respectively
Second subprime voltage, and the reducing transformer accepts one third secondary voltage of reduced output voltage after first secondary voltage.
Also, the secondary voltage supply module is equipped with a voltage multiplie and a switch, which is electrically connected the bridge-type
Rectifier and the switch, and the switch be electrically connected the power factor correction function converter, first resonant converter and this
Two resonant converters accept the bridge rectifier for switching second resonant converter through the switch and the voltage multiplie
The received input voltage of institute, or the conversion voltage is accepted from the power factor correction function converter.The switch be equipped with a diode,
One capacitor and a control switch, the anode of the diode are electrically connected the output end of the voltage multiplie, and the cathode of the diode is electrical
The input terminal of the capacitor, the control switch one end and second resonant converter is connected, which electrically connects
Connect the output end of the power factor correction function converter, and when control switch input voltage is greater than 150V (Vac) is connected, thus make this
Two resonant converters are accepted the conversion voltage from the power factor correction function converter, conversely, when the input voltage is less than
When 150Vac, second resonant converter is made to be accepted the input voltage from the voltage multiplie.
Wherein, first resonant converter and second resonant converter are all frequency modulating type (Frequency
Modulation, FM) resonant converter.The first step voltage supply module exports the first step voltage of 12V, second synchronization
Rectifier export 5V the first secondary voltage, should or door output 5V second subprime voltage, also, reducing transformer output 3.3V
Third secondary voltage.The conducting channel that the power factor correction function converter and first resonant converter extend is equipped with a graphite
Alkene ontology, to be radiated using the graphene ontology, and the graphene ontology is supplied with more an at least graphene circuit to pass
Power transmission energy.Plate is shaken with more a piezoelectricity between the conducting channel and the graphene ontology, when the power factor correction function converter and is somebody's turn to do
The thermal energy that the conversion of both first resonant converters electric energy generates is transferred to the stone via the conducting channel and piezoelectricity concussion plate
Black alkene ontology, shaking the change of plate electric field by the piezoelectricity makes piezoelectricity concussion plate persistent oscillation deformation that the graphene ontology be driven to shake
It swings, to reach active heat dissipation effect.
The circuit structure of the high power power power supply unit has more a temperature sensor, when the temperature sensor sense temperature
When reaching a default temperature, then start piezoelectricity concussion plate concussion heat dissipation；When the temperature sensor sense temperature is higher than the default
When temperature, in addition to piezoelectricity concussion plate concussion, in addition switching closes the conducting channel and the graphene circuit is connected to transmit electricity
Can, it to reduce the impedance of conducting channel generation, while being radiated by the graphene ontology, to reduce thermal resistance generation.It should
Graphene ontology one end is equipped with an at least graphene capacitor, stores electric energy when powering off for high temperature and supplies electric energy.
Another object according to the present invention, the circuit structure of the high power power power supply unit, in which: the high power power supplies
Answer the circuit structure of device that there is a graphene ontology, piezoelectricity concussion plate and a graphene capacitor, piezoelectricity concussion plate is set to should
On graphene ontology, which is set to the graphene ontology one end, and shaking the change of plate electric field by the piezoelectricity makes the pressure
Electroshock swings plate persistent oscillation deformation and the graphene ontology is driven to shake, to reach active heat dissipation effect, the stone when power is off
Black alkene capacitor then provides electric energy using the electric energy of storage.
In conclusion the present invention replaces existing flyback using second resonant converter and second synchronous rectifier
Formula converter is as secondary voltage conversion circuit, and so as to improve the energy conversion efficiency of secondary voltage 5Vsb, and use is somebody's turn to do or door
Replace the setting of an existing reducing transformer except can effectively promote transfer efficiency in addition to 99%, the lower 3.3V third secondary of this configuration
The transfer efficiency of voltage is also obviously improved, and realizes the function for reducing the complexity of integrated circuit and being beneficial to product market adaptability
Effect.
Detailed description of the invention
Fig. 1 is the configuration diagram of existing power supply unit；
Fig. 2 is the configuration diagram of one of present pre-ferred embodiments state sample implementation；
Fig. 3 is the configuration diagram of two state sample implementations of present pre-ferred embodiments；
Fig. 4 is the local configuration diagram of three state sample implementations of present pre-ferred embodiments；
Fig. 5 is the local configuration diagram of four state sample implementations of present pre-ferred embodiments；
Fig. 6 A is the local framework section concussion compression schematic diagram of four state sample implementations of present pre-ferred embodiments；
Fig. 6 B is the local framework section concussion stretching, extension schematic diagram of four state sample implementations of present pre-ferred embodiments.
Description of symbols: 1- power supply unit；10- electromagnetic filter；11- bridge rectifier；12- power factor correction function
Converter； 13-LLC Converter； 14-SR Rect.；15- reducing transformer；16- direction flyback converter；2- high power electricity
The circuit structure of source power supply unit；20- the first step voltage supply module； 200-EMI Filter；201- bridge rectifier；
202- power factor correction function converter；The first resonant converter of 203-；The first synchronous rectifier of 204-；The supply of 21- secondary voltage
Module；The second resonant converter of 210-；The second synchronous rectifier of 211-；212- or door；213- reducing transformer；214- is cut
Parallel operation；2140- diode；2141- capacitor；2142- control switch；215- voltage multiplie；216- conducting channel；3- graphite
Alkene ontology；31- heat radiation surface；32- graphene circuit；4- piezoelectricity shakes plate；5- thermal conductive insulator；6- graphene capacitor；
7- temperature sensor.
Specific embodiment
Referring to Fig. 2, for the configuration diagram of one of present pre-ferred embodiments state sample implementation.As shown, the Gao Gong
The circuit structure 2 of rate power supply unit at least there is one first step voltage supply module 20 and a secondary voltage supply module 21 and
It is provided with the function of multiple groups output voltage.It is whole that the first step voltage supply module 20 is equipped with an EMI Filter 200, a bridge-type
Stream device 201, a power factor correction function converter 202, one first resonant converter 203 and one first synchronous rectifier 204, and this time
Step voltage supply module 21 is then equipped with one second resonant converter 210, one second synchronous rectifier 211, one or door 212 and one
Reducing transformer 213.The EMI Filter 200 is electrically connected an external power supply (not shown), which is electrically connected
The EMI Filter 200 and the power factor correction function converter 202, also, first resonant converter 203 is electrically connected the function
Because of correcting converter 202 and first synchronous rectifier 204.Second resonant converter 210 is electrically connected the power factor correction function
Converter 202, first resonant converter 203 and second synchronous rectifier 211, also, second synchronous rectifier 211
Be electrically connected should or door 212 and the reducing transformer 213.
The bridge rectifier 201 rectifies shape by the input voltage that the EMI Filter 200 accepts the external power supply
After a rectified voltage, which is converted using the rectified voltage magnetic strength and carries out capability correction and formed
One conversion voltage is converted for first resonant converter 203 and is formed and be subject to by first synchronous rectifier 204 defeated
One first step voltage of 12V/58.85A out, meanwhile, which is also provided and is converted and second same by this
Walk one first secondary voltage that rectifier 211 exports 5Vsb/2.01A.Then, it is somebody's turn to do or door 212 accepts first secondary voltage simultaneously
And a second subprime voltage of 5V/18.19A is exported, also, the reducing transformer 213 accepts first secondary voltage and is depressured to be formed
It is exported after a third secondary voltage of 3.3V/18.19A.In this way, in the circuit structure 2 of this high power power power supply unit, it should
Bridge rectifier 201, the power factor correction function converter 202, first resonant converter 203, second resonant converter
210, export 5V should or the energy conversion efficiency (Eff) of the reducing transformer 213 of door 212 and output 3.3V will be such as following table (two) institute
Show, certain efficiency with higher simultaneously has lower input power demand.
Table (two)
| Input power (W) | Output power (W) | Eff (%) | |
| Bridge rectifier | 77.02W | ||
| Power factor correction function converter | 944.25W | 906.48W | 96% |
| First resonant converter | 733.56W | 706.2W | 96% |
| Second resonant converter | 172.91W | 166.46W | 96% |
| Or door | 91.87W | 90.95W | 99% |
| Reducing transformer | 64.55W | 60.027W | 93% |
Referring to Fig. 3, its configuration diagram for two state sample implementations of present pre-ferred embodiments.As shown, the height
The circuit structure 2 of power power-supply power supply unit at least has one first step voltage supply module 20 and a secondary voltage supply module 21
And it is provided with the function of multiple groups output voltage.The first step voltage supply module 20 is equipped with an EMI Filter 200, a bridge-type
Rectifier 201, a power factor correction function converter 202, one first resonant converter 203 and one first synchronous rectifier 204, this time
Step voltage supply module 21 is then equipped with one second resonant converter 210, one second synchronous rectifier 211, one or door 212, one
Reducing transformer 213, a switch 214 and a voltage multiplie 215, the switch 214 are equipped with a diode 2140, a capacitor 2141 and one
Control switch 2142.The EMI Filter 200 is electrically connected an external power supply (not shown), which electrically connects
The EMI Filter 200, the power factor correction function converter 202 and the voltage multiplie 215 are connect, first resonant converter 203 is electrically
Connect the power factor correction function converter 202, first synchronous rectifier 204 and the switch 214.Second resonant converter
210 are electrically connected second synchronous rectifier 211 and the switch 214, and second synchronous rectifier 211 electric connection is somebody's turn to do or door
212 with the reducing transformer 213, and the power factor correction function converter 202 be continuous conduction mode (Continuous Conduction
Mode, CCM) power factor correction function converter, which can be all with second resonant converter 210
Frequency modulating type resonant converter, forward converter or full-bridge phase-shift converter.The anode of the diode 2140 electrically connects
The output end of the voltage multiplie 215 is connect, 2140 cathode of diode is electrically connected the capacitor 2141,2142 one end of control switch and is somebody's turn to do
The input terminal of second resonant converter 210,2142 other end of control switch are electrically connected the power factor correction function converter 202
Output end.
The bridge rectifier 201 rectifies shape by the input voltage that the EMI Filter 200 accepts the external power supply
After a rectified voltage, which is converted using the rectified voltage magnetic strength and carries out capability correction and formed
One conversion voltage is converted for first resonant converter 203 and is formed and by first synchronous rectifier 204 output 12V/
One first step voltage of 58.85A.At this point, the control switch 2142 in the input voltage be greater than 150Vac when be connected, make this second
Resonant converter 210 accepts the conversion voltage from the power factor correction function converter 202, conversely, when the control switch 2142 is in small
Closed when the input voltage of 140Vac, the input voltage with the hysteresis interval in 140~150Vac when close, change speech
It, when the input voltage be less than 150Vac when, the control switch 2142 close and make second resonant converter 210 through this two
Pole pipe 2140 is accepted the input voltage from the voltage multiplie 215, to convert and be exported by second synchronous rectifier 211
5Vsb/2.01A one first secondary voltage.
Then, should or door 212 accept first secondary voltage and export a second subprime voltage of 5V/18.19A and give the drop
Depressor 213, and the reducing transformer 213 is also depressured first secondary voltage and forms a third secondary voltage of 3.3V/18.19A and defeated
Out.In this way, in the circuit structure 2 of the high power power power supply unit, the bridge rectifier 201, the power factor correction function converter
202, first resonant converter 203, second resonant converter 210, output 5V should or door 212 and output 3.3V
The energy conversion efficiency of the reducing transformer 213 will be as shown in following table (three), and certain efficiency with higher simultaneously has lower input
Power demand.
Table (three)
| Input power (W) | Output power (W) | Eff (%) | |
| Bridge rectifier | 69.81W | ||
| Power factor correction function converter | 764.13W | 733.56W | 96% |
| First resonant converter | 733.56W | 706.2W | 96.27% |
| Second resonant converter | 172.91W | 166.46W | 96.27% |
| Or door | 91.87W | 90.95W | 99% |
| Reducing transformer | 64.55W | 60.027W | 93% |
Referring to Fig. 4, its local configuration diagram for three state sample implementations of present pre-ferred embodiments.As shown,
The circuit structure 2 of the high power power power supply unit at least has a graphene ontology 3, and wherein graphene ontology 3 is with a thickness of 2mm milli
Between rice~10 nanometers, be set to electric energy convert easy heat can the power factor correction function converter 202 and first resonant mode turn
In a conducting channel 216 between the extension of both parallel operations 203.The graphene ontology 3 can attach, be coated with or be connected to the conduction
On circuit 216 (this conducting channel 216 with a thickness of 1mm millimeters~5um microns between), the 3 high fever spoke of graphene ontology can reach
The characteristic penetrated achievees the effect that high thermal conductivity height radiates.3 outer surface of graphene ontology has the heat radiation surface of high-heating radiation characteristic
31 its 3 surface of graphene ontology can be in the convex-concave surface of nonplanar 150 microns~5 nanometers differences of height, surface is significantly increased
Heat dissipation area, graphene thermal radiation coefficient substantially 0.95 and copper substantially 0.09, aluminium substantially 0.02, therefore the graphene ontology
3 coefficients of heat conduction are more than 4,000Wm-1K-1, review general thermally conductive aluminum metal only 237Wm-1K-1Or thermally conductive copper metal is only
401Wm-1K-1, heat dissipation effect is poor.Wherein the graphene ontology 3 of high thermal conductivity height heat dissipation is with more at least one highly conductive characteristic
Graphene circuit 32, to transmit electric energy.
Please refer to Fig. 5~Fig. 6 B, be respectively four state sample implementations of present pre-ferred embodiments local configuration diagram,
Local framework section concussion compression and stretching, extension schematic diagram.As shown, between the conducting channel 216 and the graphene ontology 3 more
Plate 4 is shaken with a piezoelectricity, wherein piezoelectricity concussion plate 4 is with a thickness of between 0.5mm millimeter~1um microns, when the power factor correction function turn
The thermal energy that the electric energy conversion of both parallel operation 202 and first resonant converter 203 generates, is transferred to via the conducting channel 216
The graphene ontology 3 is finally transmitted to after piezoelectricity concussion plate 4.Shaking the change of 4 electric field of plate by the piezoelectricity shakes the piezoelectricity
4 persistent oscillation deformation of plate, even if piezoelectricity concussion plate 4 shakes compression and stretching, extension repeatedly, to reach the effect of high heat conducting and radiating
Fruit.A heat conductive insulating can be more added between the above-mentioned conducting channel 216, piezoelectricity concussion plate 4 and 3 three of the graphene ontology
Body 5, can for the forms such as heat-conducting glue or thermally conductive adhesive agent connection but not limited to this, alternatively, between component and component insulation and
The form of self bond connection, to improve heat conductivity and adaptation.
Also, can more have a temperature sensor 7 on the circuit structure 2 of the high power power power supply unit, such as temperature-sensitive electricity
Resistance etc. starts piezoelectricity concussion plate 4 when the 7 aware circuit temperature of temperature sensor reaches a default temperature, and works as the temperature
When 7 aware circuit temperature of perceptron is higher than the default temperature, which shakes plate 4 in addition to lasting starting concussion, in addition switches to
The graphene circuit 32 and close the conducting channel 216, and change and transmit electric energy so that the highly conductive graphene circuit 32 is connected, with
The impedance of the conducting channel 216 generation is reduced, while heat conduction and heat radiation is directly carried out by the graphene ontology 3, to reduce thermal resistance production
It is raw, prevent the conducting channel 216 to be transferred to the graphene ontology of different medium via the piezoelectricity concussion piece 4 of different medium
High thermal resistance caused by 3.
Therefore, when usual mode, which may replace scattered the circuit structure 2 of the high power power power supply unit
Hot fin.And when temperature is high, then start piezoelectricity concussion plate 4 and shakes the graphene circuit 32 heat dissipation.Further, work as temperature
When continuous high temperature, in addition to lasting starting piezoelectricity concussion plate concussion 4, the highly conductive graphene circuit 32 is separately connected to transmit
Electric energy reduces impedance and reduces thermal resistance caused by material difference between medium.In conclusion this technology can replace heat dissipation simultaneously
Fin, general circuit and fan, and circuit conductive and scattered thermal property are greatly improved, it is provided so as to be directed under varying environment
Corresponding conductive and cooling measure.In addition, 3 one end of graphene ontology is equipped with an at least graphene capacitor 6, for high temperature
Electric energy is provided using the electric energy of storage when power-off.Except upper described, 3 a portion of circuit structure of the high power power power supply unit
Circuit can also replace traditional conducting channel 216, and the graphene using the graphene circuit 32 of the graphene ontology 3
Ontology 3 is equipped with the piezoelectricity and shakes plate 4, which sets the graphene capacitor 6, shakes 4 electricity of plate by the piezoelectricity
Field, which changes, makes piezoelectricity concussion 4 persistent oscillation deformation of plate that the graphene ontology 3 be driven to vibrate, to reach active heat dissipation effect
Fruit, when the circuit structure 2 of the high power power power supply unit powers off, the graphene capacitor 6 provides electric energy using the electric energy of storage.
The foregoing is merely the preferred embodiments of illustrative, rather than are restricted.It is any without departing from spirit of the invention with
Scope, and the equivalent modifications or change carried out to it, are intended to be limited solely by the protection scope of this case.
Claims (11)
1. a kind of circuit structure of high power power power supply unit at least has one first step voltage supply module and a secondary voltage
Supply module and the function of being provided with multiple groups output voltage, and the first step voltage supply module is equipped with a bridge rectifier, one
Power factor correction function converter, one first resonant converter and one first synchronous rectifier, the power factor correction function converter are electrically connected
The bridge rectifier and first resonant converter, first resonant converter are electrically connected first synchronous rectifier,
After the power factor correction function converter forms a conversion voltage using the rectified voltage of the bridge rectifier, convert first resonant mode
Device is converted to form one first step voltage and export by first synchronous rectifier, it is characterised in that:
The secondary voltage supply module is equipped with one second resonant converter, one second synchronous rectifier, one or Men Yuyi decompression
Device, it is second synchronous with this which is electrically connected the power factor correction function converter, first resonant converter
Rectifier, and second synchronous rectifier is electrically connected this or door and the reducing transformer, second resonant converter utilize this turn
Voltage is changed to convert to form a secondary voltage so that second synchronous rectifier with should or door export respectively one first secondary voltage with
One second subprime voltage, and the reducing transformer accepts one third secondary voltage of reduced output voltage after first secondary voltage.
2. the circuit structure of high power power power supply unit as described in claim 1, which is characterized in that the secondary voltage supplies mould
Block is equipped with a voltage multiplie and a switch, which is electrically connected the bridge rectifier and the switch, and switch electricity
Property connects the power factor correction function converter, first resonant converter and second resonant converter, for switch this second
Resonant converter through the switch and the voltage multiplie accept the received input voltage of bridge rectifier institute or from the function because
Correcting converter accepts the conversion voltage.
3. the circuit structure of high power power power supply unit as claimed in claim 2, which is characterized in that the switch is equipped with one or two
Pole pipe, a capacitor and a control switch, the anode of the diode is electrically connected the output end of the voltage multiplie and its cathode is electrical
The input terminal of the capacitor, the control switch one end and second resonant converter is connected, which electrically connects
Connect the output end of the power factor correction function converter, and the control switch is connected when the input voltage is greater than 150V so that this second
Resonant converter accepts the conversion voltage from the power factor correction function converter, conversely, making this when the input voltage is less than 150V
Second resonant converter accepts the input voltage from the voltage multiplie.
4. the circuit structure of high power power power supply unit as claimed in claim 4, which is characterized in that first resonant mode conversion
Device and second resonant converter are all frequency modulating type resonant converter.
5. the circuit structure of high power power power supply unit as claimed in claim 5, which is characterized in that first step voltage supply
Module exports the first step voltage of 12V, second synchronous rectifier export 5V the first secondary voltage, should or door output 5V the
Secondary step voltage, and the third secondary voltage of reducing transformer output 3.3V.
6. the circuit structure of high power power power supply unit as claimed in claim 5, which is characterized in that the power factor correction function converter
And the conducting channel that first resonant converter extends is equipped with a graphene ontology, to be dissipated using the graphene ontology
Heat, and the graphene ontology has more an at least graphene circuit, to transmit electric energy.
7. the circuit structure of high power power power supply unit as claimed in claim 6, which is characterized in that the conducting channel and the stone
Plate is shaken with more a piezoelectricity between black alkene ontology, when both the power factor correction function converter and first resonant converter electric energy
It converts the thermal energy generated and is transferred to the graphene ontology via the conducting channel and piezoelectricity concussion plate, plate is shaken by the piezoelectricity
Electric field change makes piezoelectricity concussion plate persistent oscillation deformation that the graphene ontology be driven to shake, to carry out active heat dissipation.
8. the circuit structure of high power power power supply unit as claimed in claim 7, which is characterized in that the conducting channel with a thickness of
Between 1mm millimeters~5um microns, which is between 2mm millimeters~10 nanometers, and piezoelectricity concussion plate thickness is
It can be in nonplanar 150 microns~5 nanometers differences of height by the graphene body surface between 0.5mm millimeters~1um microns
Convex-concave surface, to increase surface radiating area.
9. the circuit structure of high power power power supply unit as claimed in claim 8, which is characterized in that have more a temperature sensing
Device then starts piezoelectricity concussion plate concussion heat dissipation when the temperature sensor sense temperature reaches a default temperature；When the temperature
When perceptron sense temperature is higher than the default temperature, except piezoelectricity concussion plate concussion is outer, in addition switching closing conducting channel and
The graphene circuit is connected to transmit electric energy, to reduce the impedance of conducting channel generation, while by the graphene ontology into
Row heat dissipation, to reduce thermal resistance generation.
10. the circuit structure of high power power power supply unit as claimed in claim 9, which is characterized in that the graphene ontology one
End is equipped with an at least graphene capacitor, stores electric energy when powering off for high temperature and supplies electric energy.
11. a kind of circuit structure of high power power power supply unit, it is characterised in that:
The circuit structure of the high power power power supply unit has a graphene ontology, piezoelectricity concussion plate and a graphene capacitor,
The piezoelectricity shakes plate and is set on the graphene ontology, which is set to the graphene ontology one end, is shaken by the piezoelectricity
Swinging the change of plate electric field makes piezoelectricity concussion plate persistent oscillation deformation that the graphene ontology be driven to shake, to carry out active heat dissipation,
The graphene capacitor then provides electric energy using the electric energy of storage when power is off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710949061.6A CN109660125A (en) | 2017-10-12 | 2017-10-12 | The circuit structure of high power power power supply unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710949061.6A CN109660125A (en) | 2017-10-12 | 2017-10-12 | The circuit structure of high power power power supply unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109660125A true CN109660125A (en) | 2019-04-19 |
Family
ID=66109828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710949061.6A Withdrawn CN109660125A (en) | 2017-10-12 | 2017-10-12 | The circuit structure of high power power power supply unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109660125A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112448600A (en) * | 2019-09-03 | 2021-03-05 | 西安航兴海拓电子科技有限公司 | Integrated power supply |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1525632A (en) * | 2002-12-18 | 2004-09-01 | 因芬尼昂技术股份公司 | Method for generating direct voltage, circuit device and switch-mode adjusting monitoring module |
| CN1602579A (en) * | 2001-12-14 | 2005-03-30 | 皇家飞利浦电子股份有限公司 | Flyback power converter |
| US20050225176A1 (en) * | 2004-04-12 | 2005-10-13 | Hongjian Gan | Time delay control scheme for a power supply with multiple outputs |
| JP4218092B2 (en) * | 1998-11-10 | 2009-02-04 | ソニー株式会社 | Switching power supply circuit |
| CN101548457A (en) * | 2007-06-28 | 2009-09-30 | 三垦电气株式会社 | Multiple-output switching electric power source device |
| CN101645653A (en) * | 2008-08-04 | 2010-02-10 | 深圳Tcl新技术有限公司 | LLC resonance circuit |
| CN101777844A (en) * | 2009-01-13 | 2010-07-14 | 全汉企业股份有限公司 | Resonant converter provided with phase shift output route |
| CN102711346A (en) * | 2011-03-28 | 2012-10-03 | 台达电子工业股份有限公司 | Multi-output electronic ballast |
| CN103633847A (en) * | 2012-08-23 | 2014-03-12 | 三星电子株式会社 | DC/DC converter, electronic apparatus having the same and DC/DC conversion method thereof |
| CN103840671A (en) * | 2012-11-20 | 2014-06-04 | 三星电机株式会社 | Multi-output power supply |
| CN103872919A (en) * | 2014-02-28 | 2014-06-18 | 台达电子企业管理（上海）有限公司 | DC (direct current)-DC converter and DC-DC conversion system |
| CN204696925U (en) * | 2015-06-10 | 2015-10-07 | 无锡中汇汽车电子科技有限公司 | A kind of single-input double-output resonance step-up converter |
| CN105610328A (en) * | 2014-11-17 | 2016-05-25 | 英飞凌科技奥地利有限公司 | System and method for a switched-mode power supply |
| CN106390293A (en) * | 2016-10-14 | 2017-02-15 | 肖议 | Far-infrared magnetic therapy vibrating plate |
-
2017
- 2017-10-12 CN CN201710949061.6A patent/CN109660125A/en not_active Withdrawn
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4218092B2 (en) * | 1998-11-10 | 2009-02-04 | ソニー株式会社 | Switching power supply circuit |
| CN1602579A (en) * | 2001-12-14 | 2005-03-30 | 皇家飞利浦电子股份有限公司 | Flyback power converter |
| CN1525632A (en) * | 2002-12-18 | 2004-09-01 | 因芬尼昂技术股份公司 | Method for generating direct voltage, circuit device and switch-mode adjusting monitoring module |
| US20050225176A1 (en) * | 2004-04-12 | 2005-10-13 | Hongjian Gan | Time delay control scheme for a power supply with multiple outputs |
| CN101548457A (en) * | 2007-06-28 | 2009-09-30 | 三垦电气株式会社 | Multiple-output switching electric power source device |
| CN101645653A (en) * | 2008-08-04 | 2010-02-10 | 深圳Tcl新技术有限公司 | LLC resonance circuit |
| CN101777844A (en) * | 2009-01-13 | 2010-07-14 | 全汉企业股份有限公司 | Resonant converter provided with phase shift output route |
| CN102711346A (en) * | 2011-03-28 | 2012-10-03 | 台达电子工业股份有限公司 | Multi-output electronic ballast |
| CN103633847A (en) * | 2012-08-23 | 2014-03-12 | 三星电子株式会社 | DC/DC converter, electronic apparatus having the same and DC/DC conversion method thereof |
| CN103840671A (en) * | 2012-11-20 | 2014-06-04 | 三星电机株式会社 | Multi-output power supply |
| CN103872919A (en) * | 2014-02-28 | 2014-06-18 | 台达电子企业管理（上海）有限公司 | DC (direct current)-DC converter and DC-DC conversion system |
| CN105610328A (en) * | 2014-11-17 | 2016-05-25 | 英飞凌科技奥地利有限公司 | System and method for a switched-mode power supply |
| CN204696925U (en) * | 2015-06-10 | 2015-10-07 | 无锡中汇汽车电子科技有限公司 | A kind of single-input double-output resonance step-up converter |
| CN106390293A (en) * | 2016-10-14 | 2017-02-15 | 肖议 | Far-infrared magnetic therapy vibrating plate |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112448600A (en) * | 2019-09-03 | 2021-03-05 | 西安航兴海拓电子科技有限公司 | Integrated power supply |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11011936B2 (en) | Single-stage transmitter for wireless power transfer | |
| CN104682678B (en) | A kind of insulating power supply of IGBT drivings | |
| US20100182812A1 (en) | Power converter | |
| CN102710157A (en) | Power factor correction boost converter and switching frequency modulation method thereof | |
| JP2009537113A5 (en) | ||
| US20180083490A1 (en) | Single-Isolation Wireless Power Converter | |
| CN106787781B (en) | A kind of microwave applications system of long-range monitoring LCC resonant cavity enhanced photodetector | |
| de Rooij | eGaN FET based wireless energy transfer topology performance comparisons | |
| JP2011004479A (en) | Wireless power supply device | |
| TW201122794A (en) | Power supply circuit capable of reducing power loss and computer device using the same | |
| CN109660125A (en) | The circuit structure of high power power power supply unit | |
| CN104578796A (en) | Power supply device | |
| CN110071641A (en) | One kind turning electric power supply circuit and its operation method | |
| CN109525129A (en) | A kind of rectification circuit and design method based on contract network | |
| TWI364914B (en) | Single stage switching power supply circuit | |
| CN108443817A (en) | A kind of energy-saving LED device with thermoelectric generation film | |
| WO2015087396A1 (en) | Rectifier circuit for use in high-frequency power source | |
| TWI481180B (en) | Dc-ac converter and conversion circuit | |
| CN201403226Y (en) | LED backlight driving device | |
| CN104779803A (en) | Sound switching power supply | |
| TW201916560A (en) | Circuit structure of high-power power supply including a primary voltage supply module and a secondary voltage supply module | |
| WO2015097803A1 (en) | Rectifier circuit for high-frequency power supply | |
| de Rooij et al. | Comparison of 6.78 MHz Amplifier Topologies for 33W, Highly Resonant Wireless Power Transfer | |
| US8159842B2 (en) | Power converter | |
| CN204598423U (en) | A kind of multiple-channel output single-ended flyback LED drive power circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190419 |
|
| WW01 | Invention patent application withdrawn after publication |