CN108448912A - A kind of air-cooled high-frequency and high-voltage power supply - Google Patents
A kind of air-cooled high-frequency and high-voltage power supply Download PDFInfo
- Publication number
- CN108448912A CN108448912A CN201810088557.3A CN201810088557A CN108448912A CN 108448912 A CN108448912 A CN 108448912A CN 201810088557 A CN201810088557 A CN 201810088557A CN 108448912 A CN108448912 A CN 108448912A
- Authority
- CN
- China
- Prior art keywords
- frequency
- power supply
- voltage
- air
- circuit
- 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.)
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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
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/217—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/10—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers
- H02H7/12—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers
-
- 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
Abstract
The invention discloses a kind of air-cooled high-frequency and high-voltage power supplies.It is related to high-frequency and high-voltage power supply technical field.Including external circuit, input rectifying filter module；The output end of external circuit and the input terminal of input rectifying filter module are electrically connected；Input rectifying filter module is connected to by voltage regulation unit with precision rectifying filtering；Including voltage regulation unit, overcurrent protection；Voltage regulation unit is sequentially connected in series by voltage adjustment, DC/AC inversions, LC filtering, step-up transformer；The detection data of overcurrent protection is transferred to SPWM generation circuits；SPWM generation circuits are connected by isolation drive and DC/AC inversions；Including accessory power supply, frequency are adjusted, frequency is shown；Accessory power supply is connected with reference sine circuit, SPWM generation circuits respectively.The present invention by PLC may be implemented power supply remotely start, reset, stop, the adjusting of power supply address and discharge power, discharge power degree of regulation is less than 50W.
Description
Technical field
The invention belongs to high-frequency and high-voltage power supply technical fields, more particularly to a kind of air-cooled high-frequency and high-voltage power supply.
Background technology
High-frequency and high-voltage power supply is for frequency high voltage power supply and medium-frequency high-voltage power supply.High-frequency and high-voltage power supply is one
Kind high-voltage switch power supply, switching frequency is about in 50kHz or so, and intermediate frequency is in 2kHz or so, power frequency 50/60Hz, high frequency height
Voltage source can be made very small due to frequency height, transformer.
Currently, high-frequency and high-voltage power supply is mainly used in electrostatic spray, material electrostatic spraying package, laser equipment, ozone hair
Generating apparatus, the fields such as electrostatic spinning, scientific research, electrostatic sterilization.The intelligence degree of existing high-frequency and high-voltage power supply is low, remotely
Easily occurs the loss of control signal during control.
Invention content
The purpose of the present invention is to provide a kind of air-cooled high-frequency and high-voltage power supplies, and power supply, which may be implemented, by PLC remotely opens
It is dynamic, reset, stop, the adjusting of power supply address and discharge power, discharge power degree of regulation is less than 50W；Power supply needs to feed back
Signal include：(input overvoltage/undervoltage, exported power supply excess temperature for input power, output voltage, operating status, fault status information
Stream, output no-load, output short-circuit) etc..
In order to solve the above technical problems, the present invention is achieved by the following technical solutions：
The present invention is a kind of air-cooled high-frequency and high-voltage power supply, including external circuit, input rectifying filter module；The outside
The output end of circuit and the input terminal of input rectifying filter module are electrically connected；The input rectifying filter module passes through voltage tune
Section unit is connected to precision rectifying filtering；The output interface of precision rectifying filtering be connected separately with output voltage show, mistake
Pressure protection is electrically connected；
Including voltage regulation unit, overcurrent protection；The voltage regulation unit is filtered by voltage adjustment, DC/AC inversions, LC
Wave, step-up transformer are sequentially connected in series；The overcurrent protection is for detecting LC filtering and step-up transformer circuit transmission process
Curent change；The detection data of the overcurrent protection is transferred to SPWM generation circuits；The SPWM generation circuits pass through isolation
Driving is connected with DC/AC inversions；
Including accessory power supply, frequency are adjusted, frequency is shown；The accessory power supply respectively with reference sine circuit, SPWM
Generation circuit is connected；The frequency adjusts the frequency for adjusting reference sine circuit operating current；The frequency display is used
The frequency of electric current in display at this time circuit.
Preferably, further include cabinet；The cabinet is a box body structure；The cabinet is made of aluminium panels；It is described
One opposite flank of cabinet is equipped with air inlet/air outlet；The cabinet inside uses air-cooled cooling.
Preferably, the reference sine circuit and the communication interface of SPWM generation circuits installation are 485 communication interfaces；Institute
It states 485 communication interfaces and communications protocol is provided, realize PLC telecommunications functions.
Preferably, the output voltage of the external circuit is alternating current；The precision rectifying filtering output voltage is 9-12kV
Range.
Preferably, the work of sinewave circuit, SPWM generation circuits, wind turbine is powered on the basis of the accessory power supply；It is described
The operating voltage of wind turbine is 12V.
The invention has the advantages that：
1, the present invention by PLC may be implemented power supply remotely start, reset, stop, power supply address and discharge power
It adjusts, discharge power degree of regulation is less than 50W；Power supply needs the signal that feeds back to include：Input power, output voltage, operation shape
State, fault status information (input overvoltage/undervoltage, power supply excess temperature, output overcurrent, output no-load, output short-circuit) etc..
2, present invention input overvoltage/undervoltage, excess temperature, overcurrent, output no-load, output short circuit protection, the output of total failare signal port
Passive signal, power supply normal operation and when not powering on, relay disconnects, i.e., port resistive is infinitely great, when power supply breaks down, after
Electric appliance is closed, i.e., resistance is zero.
Certainly, it implements any of the products of the present invention and does not necessarily require achieving all the advantages described above at the same time.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is a kind of air-cooled high-frequency and high-voltage power supply system block diagram of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
Refering to Figure 1, the present invention is a kind of air-cooled high-frequency and high-voltage power supply, including external circuit, input rectifying are filtered
Wave module；The effect of rectification circuit is alternating current to be converted into direct current, and the effect of filter circuit is big Rectified alternating current
It is processed into the small direct current of smooth pulsation；The electrical phase of input terminal of the output end of external circuit and input rectifying filter module
Connection；Input rectifying filter module is connected to by voltage regulation unit with precision rectifying filtering；The output interface of precision rectifying filtering
Be connected separately with output voltage show, overvoltage protection be electrically connected；
Including voltage regulation unit, overcurrent protection；Voltage regulation unit is by voltage adjustment, DC/AC inversions, LC filtering, liter
Pressure transformer is sequentially connected in series；Overcurrent protection is used to detect LC filtering and the electric current of step-up transformer circuit transmission process becomes
Change；The detection data of overcurrent protection is transferred to SPWM generation circuits；SPWM generation circuits pass through isolation drive and DC/AC inversion phases
Connection；Overvoltage/undervoltage, excess temperature, overcurrent, output no-load, output short circuit protection are inputted, total failare signal port exports passive signal, power supply
Normal operation and when not powering on, relay disconnects, i.e., port resistive is infinitely great, and when power supply breaks down, relay is closed, i.e., electric
Resistance is zero；
Including accessory power supply, frequency are adjusted, frequency is shown；Accessory power supply is generated with reference sine circuit, SPWM respectively
Circuit is connected；Frequency adjusts the frequency for adjusting reference sine circuit operating current；Frequency shows electric at this time for showing
The frequency of electric current in road.
Wherein, further include cabinet；Cabinet is a box body structure；Cabinet is made of aluminium panels；One opposite side of cabinet
Face is equipped with air inlet/air outlet；Cabinet inside uses air-cooled cooling, air-cooled to be mounted on air inlet/outlet air by an opposite flank
Wind turbine at mouthful constitutes the convection current of cabinet inside gas；The front panel of cabinet shows that input power is aobvious equipped with output voltage
Show, running LED, power on indicator light, malfunction indicator lamp, air-cooled air inlet, power regulating knob, switching on and shutting down knob and
Reset knob.
Wherein, reference sine circuit and the communication interface of SPWM generation circuits installation are 485 communication interfaces；485 communications
Interface provides communications protocol, realizes PLC telecommunications functions, by PLC may be implemented power supply remotely starts, reset, stop, it is electric
The adjusting of source address and discharge power, discharge power degree of regulation are less than 50W；Power supply needs the signal that feeds back to include：Input
Power, output voltage, operating status, fault status information are (input overvoltage/undervoltage, power supply excess temperature, output overcurrent, output no-load, defeated
Go out short circuit) etc..
Wherein, the output voltage of external circuit is alternating current；Precision rectifying filters the range that output voltage is 9-12kV.
Wherein, the work of sinewave circuit, SPWM generation circuits, wind turbine is powered on the basis of accessory power supply；The work of wind turbine
Voltage is 12V.
It is worth noting that, in above system embodiment, included each unit is only drawn according to function logic
Point, but it is not limited to above-mentioned division, as long as corresponding function can be realized；In addition, each functional unit is specific
Title is also only to facilitate mutually distinguish, the protection domain being not intended to restrict the invention.
In addition, one of ordinary skill in the art will appreciate that realizing all or part of step in the various embodiments described above method
It is that relevant hardware can be instructed to complete by program, corresponding program can be stored in a computer-readable storage and be situated between
In matter, the storage medium, such as ROM/RAM, disk or CD.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably explain the present invention
Principle and practical application, to enable skilled artisan to be best understood by and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (5)
1. a kind of air-cooled high-frequency and high-voltage power supply, which is characterized in that
Including external circuit, input rectifying filter module；
The output end of the external circuit and the input terminal of input rectifying filter module are electrically connected；The input rectifying filters mould
Block is connected to by voltage regulation unit with precision rectifying filtering；The output interface of precision rectifying filtering respectively with output voltage
Display, overvoltage protection are electrically connected；
Including voltage regulation unit, overcurrent protection；
The voltage regulation unit is sequentially connected in series by voltage adjustment, DC/AC inversions, LC filtering, step-up transformer；The mistake
Curent change of the stream protection for detecting LC filtering and step-up transformer circuit transmission process；The detection data of the overcurrent protection
It is transferred to SPWM generation circuits；The SPWM generation circuits are connected by isolation drive and DC/AC inversions；
Including accessory power supply, frequency are adjusted, frequency is shown；
The accessory power supply is connected with reference sine circuit, SPWM generation circuits respectively；The frequency is adjusted for adjusting base
The frequency of quasi-sine-wave circuit operating current；The frequency shows the frequency for electric current in display circuit.
2. a kind of air-cooled high-frequency and high-voltage power supply according to claim 1, which is characterized in that further include cabinet；The machine
Case is a box body structure；The cabinet is made of aluminium panels；One opposite flank of the cabinet is equipped with air inlet/outlet air
Mouthful；The cabinet inside uses air-cooled cooling.
3. a kind of air-cooled high-frequency and high-voltage power supply according to claim 1, which is characterized in that the reference sine circuit
Communication interface with the installation of SPWM generation circuits is 485 communication interfaces；485 communication interface provides communications protocol, realizes PLC
Telecommunications functions.
4. a kind of air-cooled high-frequency and high-voltage power supply according to claim 1, which is characterized in that the output of the external circuit
Voltage is alternating current；The range that the precision rectifying filtering output voltage is 9-12kV.
5. a kind of air-cooled high-frequency and high-voltage power supply according to claim 1, which is characterized in that on the basis of the accessory power supply
The work power supply of sinewave circuit, SPWM generation circuits, wind turbine；The operating voltage of the wind turbine is 12V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810088557.3A CN108448912A (en) | 2018-01-30 | 2018-01-30 | A kind of air-cooled high-frequency and high-voltage power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810088557.3A CN108448912A (en) | 2018-01-30 | 2018-01-30 | A kind of air-cooled high-frequency and high-voltage power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108448912A true CN108448912A (en) | 2018-08-24 |
Family
ID=63191211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810088557.3A Pending CN108448912A (en) | 2018-01-30 | 2018-01-30 | A kind of air-cooled high-frequency and high-voltage power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108448912A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110572009A (en) * | 2019-06-04 | 2019-12-13 | 张家港克林特电源科技有限公司 | 10000A air-cooled oxidation high-frequency power supply |
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| CN104953886A (en) * | 2015-05-06 | 2015-09-30 | 北京源生恒通环保科技有限公司 | High-voltage pulse generation device |
| US20170207620A1 (en) * | 2016-01-18 | 2017-07-20 | Delta Electronics (Shanghai) Co., Ltd | Photovoltaic system and rapid shutdown method thereof |
| CN206922653U (en) * | 2017-02-20 | 2018-01-23 | 沈阳光耀能源技术有限公司 | A kind of high frequency and high voltage power supply device for low-temperature plasma generator |
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2018
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202019305U (en) * | 2011-03-07 | 2011-10-26 | 黄山市金屹电源制造有限公司 | High-frequency plasma load cleaning power supply device based on full bridge phase shift |
| CN102510228A (en) * | 2011-11-14 | 2012-06-20 | 北方工业大学 | Digital high-frequency high-voltage power supply device of electron beam welding machine and control method thereof |
| CN203457064U (en) * | 2013-09-09 | 2014-02-26 | 中国船舶重工集团公司第七二三研究所 | Plasma high-frequency high-voltage power supply |
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| CN104953886A (en) * | 2015-05-06 | 2015-09-30 | 北京源生恒通环保科技有限公司 | High-voltage pulse generation device |
| US20170207620A1 (en) * | 2016-01-18 | 2017-07-20 | Delta Electronics (Shanghai) Co., Ltd | Photovoltaic system and rapid shutdown method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110572009A (en) * | 2019-06-04 | 2019-12-13 | 张家港克林特电源科技有限公司 | 10000A air-cooled oxidation high-frequency power supply |
| CN110572009B (en) * | 2019-06-04 | 2021-06-29 | 张家港克林特电源科技有限公司 | 10000A air-cooled oxidation high-frequency power supply |
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| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200622 Address after: 242700 room 108, building 4, 2nd Street, Huangshan West Road, Tunxi District, Huangshan City, Anhui Province Applicant after: Jin Guowei Address before: 230000 C-1, R & D building, KB4-4 block, high tech Zone, Hefei, Anhui, 802, 804, 807. Applicant before: ANHUI JINYI POWER TECHNOLOGY Co.,Ltd. |
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| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 230000 C-1, R & D building, KB4-4 block, high tech Zone, Hefei, Anhui, 802, 804, 807. Applicant after: Jin Guowei Address before: 242700 room 108, building 4, 2nd Street, Huangshan West Road, Tunxi District, Huangshan City, Anhui Province Applicant before: Jin Guowei |
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180824 |