CN106787832A - A kind of radio-frequency power supply power supply circuit without Switching Power Supply - Google Patents
A kind of radio-frequency power supply power supply circuit without Switching Power Supply Download PDFInfo
- Publication number
- CN106787832A CN106787832A CN201611078236.2A CN201611078236A CN106787832A CN 106787832 A CN106787832 A CN 106787832A CN 201611078236 A CN201611078236 A CN 201611078236A CN 106787832 A CN106787832 A CN 106787832A
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- CN
- China
- Prior art keywords
- power supply
- radio
- frequency power
- circuit
- phase
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- 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.)
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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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal 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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/06—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Abstract
The invention discloses a kind of radio-frequency power supply power supply circuit without Switching Power Supply, including three-phase electrical filter, the three-phase electrical filter is connected with three-phase electricity rectification module, three-phase electricity rectification module is connected with choke coil, choke coil is connected with DC filtering module, and the direct current of DC filtering module output is to be used for radio-frequency power amplifier.Do not use Switching Power Supply, great reduces cost；For the radio-frequency power supply of 13.56MHz, 3000W escapable costs are about：2250 yuan or so, 5000W escapable costs are about 4250 yuan or so.Without complicated switching power circuit, save space can make the design of whole machine smaller more reasonable.The innovation of the circuit in the present invention, in can applying to many similar equipment, during such as radio-frequency power supply, radio and television launch equipment.
Description
Technical field
The invention belongs to electronic applications, the present invention relates to a kind of radio-frequency power supply power supply circuit without Switching Power Supply.
Background technology
At present, in radio-frequency power supply field, powered to radio-frequency power amplifier general using switch power supply road technique.Switch
Power supply is to utilize modern power electronics technology, the time ratio that controlling switch pipe is turned on and off, and maintains regulated output voltage
A kind of power supply.But this traditional Switching Power Supply pattern can use the filter circuit and control circuit of transformer and complexity,
So will result in the problems such as cost increase, structure space are big, circuit trace is complicated.
The content of the invention
It is an object of the invention to provide a kind of save space, reduces cost, the New-type radio-frequency power supply for simplifying cabling is powered electricity
Road.
For achieving the above object, the technical scheme is that：
A kind of radio-frequency power supply power supply circuit without Switching Power Supply, including three-phase electrical filter, the three-phase electrical filter are connected with
Three-phase electricity rectification module, three-phase electricity rectification module is connected with choke coil, and choke coil is connected with DC filtering module, DC filtering mould
The direct current of block output is to be used for radio-frequency power amplifier.
Further to improve, the three-phase electricity rectification module uses three-phase bridge rectifier circuit.
Further to improve, the three-phase bridge rectifier circuit includes three groups of STTH9012TV2 commutation diodes, three-phase electricity
Three delivery outlets of wave filter respectively connect one group of STTH9012TV2 commutation diode, and three groups of STTH9012TV2 commutation diodes connect
Connect to form three-phase bridge rectifier circuit.
It is further to improve, it is connected with resistance between the positive pole and negative pole of the output of the three-phase electricity rectification module.
Further to improve, the resistance is two 30 kilo-ohms of series connection, and rated power is the resistance of 5W.
Further to improve, the choke coil is the choke coil of 40A.
Further to improve, the DC filtering module is filter capacitor.
Further to improve, the DC filtering module is 4 680uH electrochemical capacitors of parallel connection.
Further to improve, the DC filtering wired in parallel has a piezo-resistance, the input of the three-phase electrical filter
Electric current is 208V three-phase electricities, and the direct current of DC filtering module output is 300V direct currents.
Further to improve, the specification of the piezo-resistance is 20D331K, 330VDC.
The beneficial effects of the invention are as follows：
The present invention does not use Switching Power Supply, great reduces cost；For the radio-frequency power supply of 13.56MHz, 3000W can be saved
Cost is about：2250 yuan or so, 5000W escapable costs are about 4250 yuan or so.
The present invention can make the design of whole machine smaller more reasonable without complicated switching power circuit, save space.
And the innovation of the circuit in the present invention, can apply in many similar equipment, such as radio-frequency power supply, broadcast is electric
Depending in the equipment such as transmitting.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is circuit diagram of the invention.
Specific embodiment
Below in conjunction with accompanying drawing to the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described.
As shown in figure 1, the line of each intermodule represents wire, the basic structure of circuit is that three-phase electricity is filtered into three-phase
Module filtered, filtered three-phase electricity is output as direct current through three phase rectifier module rectification, and direct current is again by choke coil and straight
Stream filtration module, as galvanic current, you can supply radio-frequency power amplifier is used.
Specific circuit is as shown in Fig. 2 the three-phase electricity of input can be filtered height by three-phase filtration module by lc circuit filtering
Frequency clutter, three phase rectifier module is transported to after filtering by three-phase electricity；BD1, BD2, BD3 are three groups of poles of STTH9012TV2 rectifications two
Pipe, three delivery outlets of three-phase electrical filter respectively connect one group of STTH9012TV2 commutation diode, and three groups of STTH9012TV2 are whole
Stream diode connects to form three-phase bridge rectifier circuit, is direct current by AC rectification, and L1 is choke coil, dry for suppression common mode
Disturb；C1, C2, C3, C4 are 4 electrochemical capacitors of parallel connection, constitute DC filtering module, make the direct current of output more stable.RV1 is
Piezo-resistance, is connected in parallel in DC filtering module, and plays circuit protective effect, when RV1 two ends exceed setting voltage, starting voltage
Clamper/shunting action, so as to protect rear end sensitive components.R1, R2 resistance are connected to the positive pole of three phase rectifier module output end
And negative pole between, release voltage loop when playing shutdown.
It is input into 208V three-phase electricities, as a example by output+150V/-150V：
50 ~ 60Hz of 208V three-phase alternating currents filter high frequency spurs, through BD1, BD2, BD3 rectification two by three-phase alternating current wave filter
Pole pipe rectification ,+150V voltages are obtained at D ends, and -150V voltages are obtained at E ends, and+150V/-150V voltages are by after choke coil L1
B and C two ends are added to, by inputing to radio-frequency power amplifier after C1, C2, C3, C4 filtering.Wherein three-phase alternating current wave filter is
GLJLC01 three-phase 25A 440VAC wave filters, the specification 40A choke coils of choke coil L1；The specification of C1, C2, C3, C4 be 450V,
680uH；R1, R2 are 5W 30k Ω ± 5% resistance；RV1 is 20D331K, 330VDC piezo-resistances.
Described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on the present invention
In embodiment, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
Claims (10)
1. a kind of radio-frequency power supply power supply circuit without Switching Power Supply, including three-phase electrical filter, it is characterised in that the three-phase electricity
Wave filter is connected with three-phase electricity rectification module, and three-phase electricity rectification module is connected with choke coil, and choke coil is connected with DC filtering mould
Block, the direct current of DC filtering module output is to be used for radio-frequency power amplifier.
2. a kind of radio-frequency power supply power supply circuit without Switching Power Supply as claimed in claim 1, it is characterised in that the three-phase electricity
Rectification module uses three-phase bridge rectifier circuit.
3. a kind of radio-frequency power supply power supply circuit without Switching Power Supply as claimed in claim 2, it is characterised in that the three-phase bridge
Formula rectification circuit includes three groups of STTH9012TV2 commutation diodes, three delivery outlets respectively one group of connection of three-phase electrical filter
STTH9012TV2 commutation diodes, three groups of STTH9012TV2 commutation diodes connect to form three-phase bridge rectifier circuit.
4. a kind of radio-frequency power supply power supply circuit without Switching Power Supply as claimed in claim 2, it is characterised in that the three-phase electricity
Resistance is connected between the positive pole and negative pole of the output of rectification module.
5. a kind of radio-frequency power supply power supply circuit without Switching Power Supply as claimed in claim 4, it is characterised in that the resistance is
Two 30 kilo-ohms of series connection, rated power is the resistance of 5W.
6. a kind of radio-frequency power supply power supply circuit without Switching Power Supply as claimed in claim 1, it is characterised in that the choke coil
It is the choke coil of 40A.
7. a kind of radio-frequency power supply power supply circuit without Switching Power Supply as claimed in claim 1, it is characterised in that the direct current filter
Ripple module is filter capacitor.
8. a kind of radio-frequency power supply power supply circuit without Switching Power Supply as claimed in claim 7, it is characterised in that the direct current filter
Ripple module is 4 680uH electrochemical capacitors of parallel connection.
9. a kind of radio-frequency power supply power supply circuit without Switching Power Supply as described in claim 1-8 is any, it is characterised in that described
DC filtering wired in parallel has a piezo-resistance, and the input current of the three-phase electrical filter is 208V three-phase electricities, DC filtering
The direct current of module output is 300V direct currents.
10. a kind of radio-frequency power supply power supply circuit without Switching Power Supply as claimed in claim 9, it is characterised in that described pressure-sensitive
The specification of resistance is 20D331K, 330VDC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611078236.2A CN106787832A (en) | 2016-11-29 | 2016-11-29 | A kind of radio-frequency power supply power supply circuit without Switching Power Supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611078236.2A CN106787832A (en) | 2016-11-29 | 2016-11-29 | A kind of radio-frequency power supply power supply circuit without Switching Power Supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106787832A true CN106787832A (en) | 2017-05-31 |
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ID=58898020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611078236.2A Pending CN106787832A (en) | 2016-11-29 | 2016-11-29 | A kind of radio-frequency power supply power supply circuit without Switching Power Supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106787832A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11545943B2 (en) | 2020-12-04 | 2023-01-03 | Mks Instruments, Inc. | Switched capacitor modulator |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202334291U (en) * | 2011-11-22 | 2012-07-11 | 中冶南方（武汉）自动化有限公司 | Multi-stage EMI (electromagnetic interference) filter circuit of inverter |
| CN202818656U (en) * | 2012-09-26 | 2013-03-20 | 张镇强 | Multistratum control type electromagnetic induction heating device |
| CN203933438U (en) * | 2014-06-24 | 2014-11-05 | 胡长建 | A kind of high-power single inversion stud welding machine |
| CN205377695U (en) * | 2016-02-17 | 2016-07-06 | 湖南科瑞变流电气股份有限公司 | High frequency electric separates power |
-
2016
- 2016-11-29 CN CN201611078236.2A patent/CN106787832A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202334291U (en) * | 2011-11-22 | 2012-07-11 | 中冶南方（武汉）自动化有限公司 | Multi-stage EMI (electromagnetic interference) filter circuit of inverter |
| CN202818656U (en) * | 2012-09-26 | 2013-03-20 | 张镇强 | Multistratum control type electromagnetic induction heating device |
| CN203933438U (en) * | 2014-06-24 | 2014-11-05 | 胡长建 | A kind of high-power single inversion stud welding machine |
| CN205377695U (en) * | 2016-02-17 | 2016-07-06 | 湖南科瑞变流电气股份有限公司 | High frequency electric separates power |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11545943B2 (en) | 2020-12-04 | 2023-01-03 | Mks Instruments, Inc. | Switched capacitor modulator |
| TWI830072B (en) * | 2020-12-04 | 2024-01-21 | 美商Ｍｋｓ儀器公司 | Switched capacitor modulator, rf generator, method for generating rf signal and non-transitory computer-readable medium thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200421 Address after: 100176 No. 8 Wenchang Avenue, Beijing economic and Technological Development Zone, Beijing, Daxing District Applicant after: BEIJING NAURA MICROELECTRONICS EQUIPMENT Co.,Ltd. Address before: 101312 No. 26, A District, Tianzhu Road, Tianzhu Airport Industrial Zone, Beijing, Shunyi District Applicant before: Beijing BBEF Science & Technology Co.,Ltd. |
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| TA01 | Transfer of patent application right | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170531 |
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| RJ01 | Rejection of invention patent application after publication |