CN205864273U - A kind of ozonator high frequency inverter - Google Patents
A kind of ozonator high frequency inverter Download PDFInfo
- Publication number
- CN205864273U CN205864273U CN201620777659.2U CN201620777659U CN205864273U CN 205864273 U CN205864273 U CN 205864273U CN 201620777659 U CN201620777659 U CN 201620777659U CN 205864273 U CN205864273 U CN 205864273U
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- circuit
- ozonator
- inverter
- high frequency
- transformer
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Abstract
This utility model relates to a kind of ozonator high frequency inverter, including rectification circuit, filter circuit, inverter circuit, drive circuit, control circuit and high-frequency step-up transformer；This power work principle, for inputting with three-phase 380V/50Hz power supply, obtains more stable unidirectional current after being filtered by the uncontrollable rectifier circuit rectifies of three-phase, LC filter circuit.Sending into IGBT full bridge inverter, STC89C52 single chip machine controlling circuit generation enable signal function is in HL402 drive circuit, to control IGBT full bridge inverter.Obtain high-frequency alternating current after inversion, be followed by ozonator through high-frequency step-up transformer, in ozonator, carry out electric discharge to generate ozone.This utility model ozonator high frequency inverter energy consumption is low, efficiency is high, volume is little, safe and reliable and be easily maintained, be suitable for the application such as environment-friendly engineering.
Description
Technical field
This utility model relates to ozonator technical field, particularly relates to a kind of ozonator high-frequency inversion electricity
Source.
Background technology
Along with the extensive utilization of ozone, technology and the device thereof of ozonator are developed in succession.At present, industrial often
Use dielectric barrier discharge method produce ozone, its power work frequency typically at power frequency and the intermediate frequency range of 50 ~ 800Hz, this
Kind of ozonizer power supply energy consumption is high, efficiency is low, volume is big, reliability is low and difficult in maintenance.Therefore offer one energy consumption is low, effect
The ozonator high frequency inverter that rate is high, volume is little and safe and reliable is necessary.
Utility model content
Problem to be solved in the utility model is to provide a kind of ozonator high frequency inverter, it is therefore an objective to provide one
Plant the ozonator high frequency inverter that energy consumption is low, efficiency is high, volume is little and safe and reliable.
For solving above-mentioned technical problem, this utility model provides a kind of ozonator high frequency inverter, including whole
Current circuit, filter circuit, inverter circuit, drive circuit, control circuit and high-frequency step-up transformer；Rectification circuit, filter circuit,
Inverter circuit and high-frequency step-up transformer are sequentially connected, and control circuit, drive circuit, filter circuit are sequentially connected；
It is uncontrollable whole that described rectification circuit is constituted three-phase bridge by six heavy-duty diodes according to fixing connected mode
Current circuit.
Described filter circuit is constituted LC filter circuit by an inductance and an electric capacity.
Described inverter circuit is made up of H type bridge circuit IGBT power tube；Described each IGBT power tube and one are fast
Recovery diode inverse parallel, with a resistance and an electric capacity composition in parallel surge absorbing circuit.
Described control circuit is STC89C52 single chip machine controlling circuit, realizes PWM pulsewidth and adjust by the way of software programming
System.
Described drive circuit use have drive function hold concurrently defencive function HL402 drive plate.
Described high-frequency step-up transformer is the transformator of silicon sheet core 1, turn ratio n=1:20, and point two lines in left and right hold
System, low pressure winding 2 is inner, and high pressure winding 3 outside, separates with insulating paper cylinder 4 between low pressure winding 2 and high pressure winding 3, and two bags
Between separate with one piece of insulation barrier 5.
The operation principle of described ozonator high frequency inverter: use the input of three-phase 380V/50Hz power supply.Pass through
More stable unidirectional current is obtained after the filtering of the uncontrollable rectifier circuit rectifies of three-phase, LC filter circuit.Send into IGBT full-bridge inverting electricity
Road, STC89C52 single chip machine controlling circuit generation enable signal function is in HL402 drive circuit, to control IGBT full-bridge inverting electricity
Road.Obtain high-frequency alternating current after inversion, be followed by ozonator through high-frequency step-up transformer, put in ozonator
Electricity generates ozone.
This utility model has the beneficial effect that:
Power supply energy consumption is low, efficiency is high and size of power significantly reduces, and saves material, safeguards simple；
Use IGBT full bridge inverter, high pressure resistant, it is allowed to frequency is high；
Using photoelectric coupling driving chip HL402 to drive IGBT power tube, operating rate is fast, anti-interference by force, insulation blocking
High；
Employing STC89C52 single chip machine controlling circuit, the amplitude of flexible output voltage and frequency, reliable and stable.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present utility model；
Fig. 2 is circuit theory diagrams of the present utility model；
Fig. 3 is the cut-away view that IGBT drives plate core parts HL402；
Fig. 4 is STC89C52 single-chip minimum system figure；
Fig. 5 is the basic block diagram of high-frequency step-up transformer.
Detailed description of the invention
Below in conjunction with the accompanying drawings, describe this utility model in detail and be embodied as.
As it is shown in figure 1, be structured flowchart of the present utility model.
As in figure 2 it is shown, three-phase alternating-current supply is filtered into IGBT through the uncontrollable bridge rectifier of three-phase, inductance L0 and electric capacity C0
Full bridge inverter provides DC source, and the work of IGBT full bridge inverter is controlled respectively by the triggering power supply of two groups of opposite in phase
Make two groups of IGBT power tubes (Q1, Q4 are a group, and Q2, Q3 are a group) and DC voltage is reverse into exchange.Due to ozonator
Being capacity load during work, therefore in high-frequency step-up transformer primary return, series inductance Lr is opened to limit IGBT power tube
Current-rising-rate time logical.Fast recovery diode D1 ~ D4, resistance R1 ~ R4 and the electric capacity C1 ~ C4 structure being connected in parallel on IGBT power tube
Becoming surge absorbing circuit, its effect is energy produced by stored voltage spike, and a part is consumed in the form of heat by resistance
Falling, a part feeds back to electric capacity C0.
IGBT full bridge inverter specific works process analysis is as follows: three phase mains through the uncontrollable bridge rectifier of three-phase,
The work of direct current power supply whole inversion major loop is become after inductance L0 and electric capacity C0 filtering.Entrance stable state is opened at Q1, Q4
After, electric current will flow to Q1 from L0 and C0, primary through inductance Lr tremendously high frequency booster transformer TF, then through Q4 to C0.Owing to there being inductance
The existence of Lr, along with constantly carrying out of charging, the primary voltage of high-frequency step-up transformer will be from the maximum that is raised to above freezing, electric current warp
Go through one and then reduce to the process of zero from the maximum that is raised to above freezing.As Ud > Uc time, anti-and diode D1 at Q1, Q4 two ends,
D4 conducting constitutes reverse charging loop with C0, and C0 is also charged by L0 simultaneously, and Ub will gradually rise to maximum, is reversely filling
During electricity, electric current also experienced by one and then reduces to the process of zero from the maximum that is raised to above freezing.If now Q2, Q3 also do not have
Open-minded, and Q1, Q4 are turned off, whole circuit is achieved that " soft switching " of electric current.The reversals in upper half cycle terminates with regard to this.
The reversals in lower half cycle is just contrary with the situation in upper half cycle.
As it is shown on figure 3, VL1 is the photo-coupler of electrostatic shielding, it is used for the isolation realized with input signal.Owing to it has
There is electrostatic screen function, thus the anti-common mode disturbances ability of HL402 significantly improves.V2 is pulse amplifier, and transistor V3, V4 can
For realizing driving pulse power amplification, V5 is fall grid voltage comparator.Under normal circumstances due to the IGBT colelctor electrode electricity of 9 foot inputs
Pressure VCE is not higher than reference voltage V RE of V5, and V5 does not overturns, and transistor V6 is not turned on, therefore from the driving pulse of 16,17 foot inputs
Signal is not blocked after V2 shaping.This driving pulse is supplied to powered IGBT power tube to be allowed to after V3, V4 amplify
On or off.The most powered IGBT power tube exits saturated, then the collector voltage sampled signal VCE of 9 foot inputs will
Higher than reference voltage V RE of V5, so that exporting high level after comparator V5 upset, transistor V6 turns on, and has stabilivolt VD4
The grid voltage VGE that driver exports is reduced to 10V.Now, soft switching intervalometer V8 reaches in fall grid voltage comparator V5 upset
After the time set, output positive voltage makes transistor V7 turn on, and by grid voltage shutoff so that it drops to the grid of IGBT
Below one emitter stage threshold voltage, thus provide a negative driving voltage to powered IGBT power tube, this guarantees
Powered IGBT power tube can reliable turn-off.
As shown in Figure 4, STC89C52 single-chip microcomputer has 8K bytes Flash, 512 bytes RAM, 32 I/O mouth lines, sees doorway
Intervalometer, built-in 4KB EEPROM, MAX810 reset circuit, 3 16 bit timing devices/enumerators, 4 external interrupt, one 7 to
Measure 4 grades of interrupt structures (5 2 grades of interrupt structures of vector of compatible tradition 51), full duplex serial port.Additionally STC89C52 single-chip microcomputer can
It is down to the operation of 0Hz static logic, supports that 2 kinds of softwares may select energy-saving mode.Under idle pulley, CPU quits work, it is allowed to RAM,
Timer/counter, serial ports, interruption work on；Under power down protection mode, RAM content is saved, and agitator is frozen, single
All work of sheet machine stop, and interrupt or hardware reset until next.The highest operation frequency 35MHz, 6T/12T is optional.Profit
Use STC89C52 single-chip minimum system, use the mode of software programming to produce PWM waveform, can control by controlling loop
The operating frequency of IGBT full bridge inverter and output time ratio, so that the frequency of output voltage and amplitude can be according to smelly
Oxygen yield wants summation device job requirement to change neatly.
Input with three-phase 380V/50Hz power supply, filtered by the uncontrollable rectifier circuit rectifies of three-phase, LC filter circuit
After obtain more stable unidirectional current.Sending into IGBT full bridge inverter, STC89C52 single chip machine controlling circuit produces and enables signal
Act on HL402 drive circuit, to control IGBT full bridge inverter.Obtain high-frequency alternating current after inversion, rise buckling through high frequency
Depressor is followed by ozonator；Electric discharge is carried out to generate ozone in ozonator.
As it is shown in figure 5, be the basic block diagram of high-frequency step-up transformer, in figure, parts are silicon sheet core 1, low pressure winding
2, high pressure winding 3, insulating paper cylinder 4, insulation barrier 5.
Claims (8)
1. an ozonator high frequency inverter, is characterized in that: include rectification circuit, filter circuit, inverter circuit, driving
Circuit, control circuit and high-frequency step-up transformer；Rectification circuit, filter circuit, inverter circuit and high-frequency step-up transformer are successively
Being connected, control circuit, drive circuit, filter circuit are sequentially connected.
Ozonator high frequency inverter the most according to claim 1, is characterized in that: described rectification circuit is big by six
Power diode constitutes the uncontrollable rectification circuit of three-phase bridge according to fixing connected mode.
Ozonator high frequency inverter the most according to claim 1, is characterized in that: described filter circuit is by an electricity
Sense and an electric capacity constitute LC filter circuit.
Ozonator high frequency inverter the most according to claim 1, is characterized in that: described inverter circuit is by IGBT
Power tube constitutes H type bridge circuit；Described each IGBT power tube and a fast recovery diode inverse parallel, with a resistance
Surge absorbing circuit is constituted with an electric capacity parallel connection.
Ozonator high frequency inverter the most according to claim 1, is characterized in that: described control circuit is
STC89C52 single chip machine controlling circuit, realizes PWM pulsewidth modulation by the way of software programming.
Ozonator high frequency inverter the most according to claim 1, is characterized in that: described drive circuit uses to be had
Drive function hold concurrently defencive function HL402 drive plate.
Ozonator high frequency inverter the most according to claim 1, is characterized in that: described high-frequency step-up transformer is
Silicon sheet core (1), the transformator of turn ratio n=1:20, point left and right two line wrappings, low pressure winding (2) inner, high voltage winding
Group (3) outside, separates with insulating paper cylinder (4) between low pressure winding (2) and high pressure winding (3), and with one piece of insulation between two bags
Baffle plate (5) separates.
Ozonator high frequency inverter the most according to claim 1, is characterized in that: described ozonator high frequency is inverse
The operation principle of variable power source: use the input of three-phase 380V/50Hz power supply；Filtered by the uncontrollable rectifier circuit rectifies of three-phase, LC
More stable unidirectional current is obtained after wave circuit filtering；Sending into IGBT full bridge inverter, STC89C52 single chip machine controlling circuit produces
The raw signal function that enables is in HL402 drive circuit, to control IGBT full bridge inverter；High-frequency alternating current, warp is obtained after inversion
High-frequency step-up transformer is followed by ozonator, carries out electric discharge to generate ozone in ozonator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620777659.2U CN205864273U (en) | 2016-07-22 | 2016-07-22 | A kind of ozonator high frequency inverter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620777659.2U CN205864273U (en) | 2016-07-22 | 2016-07-22 | A kind of ozonator high frequency inverter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205864273U true CN205864273U (en) | 2017-01-04 |
Family
ID=57649013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620777659.2U Expired - Fee Related CN205864273U (en) | 2016-07-22 | 2016-07-22 | A kind of ozonator high frequency inverter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205864273U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106059331A (en) * | 2016-07-22 | 2016-10-26 | 桂林电子科技大学 | Ozonator high frequency inversion power supply |
| CN110868081A (en) * | 2019-11-28 | 2020-03-06 | 大冶联源电器科技有限公司 | Special power supply for ozone generator |
-
2016
- 2016-07-22 CN CN201620777659.2U patent/CN205864273U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106059331A (en) * | 2016-07-22 | 2016-10-26 | 桂林电子科技大学 | Ozonator high frequency inversion power supply |
| CN110868081A (en) * | 2019-11-28 | 2020-03-06 | 大冶联源电器科技有限公司 | Special power supply for ozone generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170104 Termination date: 20180722 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |