CN109525104A - The adjustable AC/DC universal power supply of frequency amplitude - Google Patents
The adjustable AC/DC universal power supply of frequency amplitude Download PDFInfo
- Publication number
- CN109525104A CN109525104A CN201811170354.5A CN201811170354A CN109525104A CN 109525104 A CN109525104 A CN 109525104A CN 201811170354 A CN201811170354 A CN 201811170354A CN 109525104 A CN109525104 A CN 109525104A
- Authority
- CN
- China
- Prior art keywords
- signal
- module
- adjustable
- conversion module
- power supply
- 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.)
- Pending
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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Abstract
The invention discloses a kind of adjustable AC/DC universal power supplys of frequency amplitude, it is related to AC/DC universal field of power supplies, it realizes to there is the equipment of particular/special requirement to provide power supply frequency and voltage, supply frequency and voltage magnitude are adjustable, its key points of the technical solution are that: including signal generator, signal amplification module, first signal conversion module, second signal conversion module, rectification filtering module, the generator, signal amplification module, first signal conversion module, second signal conversion module, rectification filtering module is sequentially connected, the signal amplification module is used for the signal of amplified signal generator output, first signaling module is used to input signal being changed into two-way pwm signal, the second signal conversion module is used to for two-way pwm signal to be changed into four road pwm signals and output voltage signal, the rectification Filter module is used for rectifying and wave-filtering.
Description
Technical field
The present invention relates to AC/DC universal field of power supplies, in particular to a kind of adjustable DC-AC switching electricity consumption of frequency amplitude
Source.
Background technique
Power-supply device currently on the market is mostly that the DC power supply of different voltages grade or the AC power source of 50/60Hz are set
Standby, its voltage magnitude and frequency are unadjustable or adjust difficult during the work time, some special electrical equipments need more
High-frequency alternating voltage needs the voltage of power supply adjustable at any time with the operating status of equipment, at this moment, common electricity
Source device change is difficult to meet its requirement.
In the prior art, frequency converter can provide the alternating voltage of changeable frequency, but its can only output AC voltage, and nothing
Method exports adjustable dc voltage, and purposes is single.
Summary of the invention
The object of the present invention is to provide a kind of adjustable AC/DC universal power supplys of frequency amplitude, its advantage is that can be for electricity
Source frequency and voltage have the equipment of particular/special requirement to provide power, and supply frequency and voltage magnitude are adjustable.
Above-mentioned technical purpose of the invention has the technical scheme that a kind of frequency amplitude is adjustable
AC/DC universal power supply, including signal generator, signal amplification module, the first signal conversion module, second signal conversion module,
Rectification filtering module, it is the signal generator, signal amplification module, the first signal conversion module, second signal conversion module, whole
Stream filter module is sequentially connected, and the signal amplification module is used for the signal of amplified signal generator output, first signal
Conversion module is used to for input signal being changed into two-way pwm signal, and the second signal conversion module is used for two-way pwm signal
It is changed into four road pwm signals and output voltage signal, the rectification filtering module is used for rectifying and wave-filtering.
The present invention is further arranged to: isolation mode is equipped between the signal amplification module and the first signal conversion module
Block, the isolation module is for being isolated light current.
The present invention is further arranged to: the isolation module is linear optical coupling device.
The present invention is further arranged to: Voltage stabilizing module is equipped between the signal amplification module and isolation module.
The present invention is further arranged to: the Voltage stabilizing module is realized by DCDC chip.
The present invention is further arranged to: being equipped with four groups of switching tubes in the second signal conversion module, is switched described in four groups
Pipe is controlled by four groups of PWM waveforms that second signal conversion module is converted into respectively.
The present invention is further arranged to: the voltage output value of the signal generator is -2~+2V.
The present invention is further arranged to: the output voltage range of the second signal conversion module is -220~+220V,
And the output voltage of -220V corresponds to the output voltage of the signal hair generator -2V, the output voltage of+220V corresponds to the letter
The output voltage of number hair generator+2V.
The invention has the following advantages:
1, generator output voltage signal amplifies voltage signal, the first signal modulus of conversion by signal amplification module
Input signal is changed into two-way pwm signal by block, and two-way pwm signal is changed into four road pwm signals by second signal conversion module
And output voltage signal, subsequent rectification filtering module carry out rectifying and wave-filtering processing, adjustment signal generator to output voltage signal
Output voltage the adjustment of voltage magnitude can be realized, the adjustment for realizing output voltage frequency is adjusted to PWM waveform, when defeated
When the frequency of voltage is 0Hz out, output voltage is DC voltage, realizes AC/DC universal, and voltage magnitude and frequency are adjustable；
2, setting linear optical coupling device carries out light current isolation to the amplified signal of signal amplification module, improves signal amplification
Stability and reliability.
Detailed description of the invention
Fig. 1 is the circuit structure diagram of the present embodiment；
Fig. 2 is the enlarged drawing in Fig. 1 at A；
Fig. 3 is the enlarged drawing in Fig. 1 at B；
Fig. 4 is the enlarged drawing in Fig. 1 at C；
Fig. 5 is the enlarged drawing in Fig. 1 at D；
Fig. 6 is the enlarged drawing in Fig. 1 at E；
Fig. 7 is the enlarged drawing in Fig. 1 at F.
Appended drawing reference: A, signal amplification module；B, isolation module；C, the first signal conversion module；D, second signal is converted
Module；E, rectification filtering module；F, Voltage stabilizing module；1, linear optical coupling device；2, DCDC chip；3, signal generator；4, switching tube.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Embodiment one: Fig. 1-7, a kind of adjustable AC/DC universal power supply of frequency amplitude, including signal generator are referred to
3, signal amplification module A, the first signal conversion module C, second signal conversion module D, rectification filtering module E, signal generator
3, signal amplification module A, the first signal conversion module C, second signal conversion module D, rectification filtering module E are sequentially connected.Work
During work, the sending voltage signal of signal generator 3, the signal that signal amplification module A amplified signal generator 3 exports, first
Input signal is changed into two-way pwm signal by signal conversion module C, and two-way pwm signal is changed by second signal conversion module D
Four road pwm signals and output voltage signal, subsequent rectification filtering module E carry out rectifying and wave-filtering processing to output voltage signal, adjust
The adjustment of voltage magnitude can be realized in the output voltage of entire signal generator 3, is adjusted to PWM waveform and realizes output voltage frequency
The adjustment of rate, when the frequency of output voltage is 0Hz, output voltage is DC voltage, realizes AC/DC universal, and voltage magnitude
It is adjustable with frequency.
Isolation module B is equipped between signal amplification module A and the first signal conversion module C, isolation module B is weak for being isolated
Electricity, isolation module B are linear optical coupling device 1, and linear optical coupling device 1 carries out light current isolation to the amplified signal of signal amplification module A,
Improve the stability and reliability of signal amplification.
Voltage stabilizing module F is equipped between signal amplification module A and isolation module B, Voltage stabilizing module F is realized by DCDC chip 2,
Improve the stability of output voltage signal.
Four groups of switching tubes 4 are equipped in second signal conversion module D, switching tube 4 described in four groups is converted by second signal respectively
Four groups of PWM waveforms control that module D is converted into.
The voltage output value of signal generator 3 is -2~+2V, the output voltage range of second signal conversion module D is -
220~+220V, and the output voltage of -220V, to the output voltage of induction signal hair generator -2V, the output voltage of+220V is corresponding
The output voltage of signal hair generator+2V.
In the present embodiment, signal generator 3, signal amplification module A, the first signal conversion module C, second signal modulus of conversion
Block D, rectification filtering module E, isolation module B, the circuit connection of Voltage stabilizing module F and the chip model, the component specification that use
As shown in attached drawing 1-7.The adjustable AC/DC universal power supply of frequency amplitude provided in this embodiment, frequency-tuning range 0-
2kHz, voltage magnitude adjustable range are 0-220V, and 450W can be less than for power and has particular/special requirement to supply frequency and voltage
Equipment provides power.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (8)
1. a kind of adjustable AC/DC universal power supply of frequency amplitude, which is characterized in that put including signal generator (3), signal
Big module (A), the first signal conversion module (C), second signal conversion module (D), rectification filtering module (E), the signal hair
Raw device (3), signal amplification module (A), the first signal conversion module (C), second signal conversion module (D), rectification filtering module
(E) it is sequentially connected, the signal amplification module (A) is used for the signal of amplified signal generator (3) output, and first signal turns
Mold changing block (C) is used to for input signal being changed into two-way pwm signal, and the second signal conversion module (D) is used for two-way PWM
Signal is changed into four road pwm signals and output voltage signal, and the rectification filtering module (E) is used for rectifying and wave-filtering.
2. the adjustable AC/DC universal power supply of frequency amplitude according to claim 1, which is characterized in that the signal is put
It is equipped with isolation module (B) between big module (A) and the first signal conversion module (C), the isolation module (B) is weak for being isolated
Electricity.
3. the adjustable AC/DC universal power supply of frequency amplitude according to claim 2, which is characterized in that the isolation mode
Block (B) is linear optical coupling device (1).
4. the adjustable AC/DC universal power supply of frequency amplitude according to claim 1, which is characterized in that the signal is put
Voltage stabilizing module (F) is equipped between big module (A) and isolation module (B).
5. the adjustable AC/DC universal power supply of frequency amplitude according to claim 4, which is characterized in that the pressure stabilizing mould
Block (F) is realized by DCDC chip (2).
6. the adjustable AC/DC universal power supply of frequency amplitude according to claim 1, which is characterized in that second letter
Four groups of switching tubes (4) are equipped in number conversion module (D), switching tube described in four groups (4) is turned by second signal conversion module (D) respectively
The four groups of PWM waveforms control changed into.
7. the adjustable AC/DC universal power supply of frequency amplitude according to claim 1, which is characterized in that the signal hair
The voltage output value of raw device (3) is -2~+2V.
8. the adjustable AC/DC universal power supply of frequency amplitude according to claim 7, which is characterized in that second letter
The output voltage range of number conversion module (D) is -220~+220V, and the output voltage of -220V correspond to the signal hair generation
The output voltage of device (3) -2V, the output voltage of+220V correspond to the output voltage of described signal hair generator (3)+2V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811170354.5A CN109525104A (en) | 2018-10-09 | 2018-10-09 | The adjustable AC/DC universal power supply of frequency amplitude |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811170354.5A CN109525104A (en) | 2018-10-09 | 2018-10-09 | The adjustable AC/DC universal power supply of frequency amplitude |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109525104A true CN109525104A (en) | 2019-03-26 |
Family
ID=65771766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811170354.5A Pending CN109525104A (en) | 2018-10-09 | 2018-10-09 | The adjustable AC/DC universal power supply of frequency amplitude |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109525104A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109660143A (en) * | 2019-02-18 | 2019-04-19 | 南京升诚舜电子科技有限公司 | A kind of law-enforcing recorder multiple power source conversion circuit |
| CN114221527A (en) * | 2022-02-22 | 2022-03-22 | 深圳市深澳视觉科技有限公司 | Alternating current-direct current energy conversion control circuit and high-frequency medical equipment |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101552565A (en) * | 2009-04-03 | 2009-10-07 | 东南大学 | Wide-amplitude voltage regulation and frequency modulation meter |
| CN202856631U (en) * | 2012-11-16 | 2013-04-03 | 东北石油大学 | Voltage-adjustable frequency-adjustable inverter power supply |
| CN103178732A (en) * | 2011-12-20 | 2013-06-26 | 陕西众鑫联节能新技术开发有限公司 | Precise inverter circuit |
| CN103280988A (en) * | 2013-06-18 | 2013-09-04 | 吉林大学 | Driving power source and driving method of multifunctional piezoelectric pump based on FPGA |
| CN204228849U (en) * | 2014-10-29 | 2015-03-25 | 武汉国试电气设备有限公司 | A kind of series resonant device with variable frequency test unit |
| JP2017073907A (en) * | 2015-10-08 | 2017-04-13 | 正敏 井森 | Regulated power supply for driving resonance circuit with frequency variable carrier wave |
| CN107517017A (en) * | 2017-09-25 | 2017-12-26 | 黎明职业大学 | A kind of single-phase voltage regulating sine wave frequency conversion inverter |
-
2018
- 2018-10-09 CN CN201811170354.5A patent/CN109525104A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101552565A (en) * | 2009-04-03 | 2009-10-07 | 东南大学 | Wide-amplitude voltage regulation and frequency modulation meter |
| CN103178732A (en) * | 2011-12-20 | 2013-06-26 | 陕西众鑫联节能新技术开发有限公司 | Precise inverter circuit |
| CN202856631U (en) * | 2012-11-16 | 2013-04-03 | 东北石油大学 | Voltage-adjustable frequency-adjustable inverter power supply |
| CN103280988A (en) * | 2013-06-18 | 2013-09-04 | 吉林大学 | Driving power source and driving method of multifunctional piezoelectric pump based on FPGA |
| CN204228849U (en) * | 2014-10-29 | 2015-03-25 | 武汉国试电气设备有限公司 | A kind of series resonant device with variable frequency test unit |
| JP2017073907A (en) * | 2015-10-08 | 2017-04-13 | 正敏 井森 | Regulated power supply for driving resonance circuit with frequency variable carrier wave |
| CN107517017A (en) * | 2017-09-25 | 2017-12-26 | 黎明职业大学 | A kind of single-phase voltage regulating sine wave frequency conversion inverter |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109660143A (en) * | 2019-02-18 | 2019-04-19 | 南京升诚舜电子科技有限公司 | A kind of law-enforcing recorder multiple power source conversion circuit |
| CN114221527A (en) * | 2022-02-22 | 2022-03-22 | 深圳市深澳视觉科技有限公司 | Alternating current-direct current energy conversion control circuit and high-frequency medical equipment |
| CN114221527B (en) * | 2022-02-22 | 2022-05-20 | 深圳市深澳视觉科技有限公司 | Alternating current-direct current energy conversion control circuit and high-frequency medical equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105162356B (en) | A kind of voltage-phase is adjustable and is easy to full-bridge resonant ultrasonic driving circuit in parallel | |
| WO2003026114B1 (en) | Universal energy supply system | |
| CN105576977B (en) | The circuit and method of resonant network | |
| CN109525104A (en) | The adjustable AC/DC universal power supply of frequency amplitude | |
| CN207218551U (en) | A kind of adjustable three-phase inverter | |
| CN203554294U (en) | Power supply circuit and LCD television | |
| CN105305832B (en) | A kind of circuit for realizing the output of multichannel positive or negative high voltage | |
| CN103796389A (en) | Largest brightness lifting module and silicon controlled light-dimmer LED driving circuit and system | |
| CN110190761A (en) | AC-DC conversion circuit and method | |
| CN109450041A (en) | A kind of wireless charging device of multi gear position | |
| CN102684517A (en) | Switch power supply with high power factor and controller of switch power supply | |
| CN107040143B (en) | Power supply circuit, power supply method and metering instrument manufactured by same | |
| CN107404791B (en) | Multi-load control device and its slave circuit and control method | |
| CN201898443U (en) | Alternating-current/direct-current power supply | |
| CN208675209U (en) | High-power high-efficiency sonar transmitter | |
| CN203933423U (en) | A kind of high-voltage rectification assembly | |
| CN201766513U (en) | Switch power with zero-crossing detection of pulper | |
| CN107612368A (en) | Failure safe power supply | |
| CN103590810A (en) | Power-adjustable emitting device used for transient electromagnetic logging | |
| CN205566109U (en) | IGBT power supply circuit of converter | |
| CN208656646U (en) | A kind of driving accessory power supply and driving circuit | |
| CN208971373U (en) | Switching power source control circuit and Switching Power Supply | |
| CN206237331U (en) | Vacuum measurement high-voltage pulse power source | |
| CN203193958U (en) | Constant voltage dimmable LED power supply | |
| CN203057007U (en) | Multifunctional voltage stabilized power supply for ship |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190326 |
|
| RJ01 | Rejection of invention patent application after publication |