阅读说明：本技术 一种臭氧发生器专用电源 (Special power supply for ozone generator ) 是由 邓江城 于 2019-11-28 设计创作，主要内容包括：本发明涉及臭氧发生器技术领域,公开了一种臭氧发生器专用电源,包括整流滤波电路、全桥逆变电路、升压电路、容性负载电路、PWM移相脉宽功率调控电路以及辅助电源电路；所述整流滤波电路与外部电源电连接,所述整流滤波电路通过所述全桥逆变电路与所述升压电路电连接,所述升压电路通过所述容性负载电路与臭氧发生器的双极板电连接,所述升压电路还与所述PWM移相脉宽功率调控电路电连接,所述PWM移相脉宽功率调控电路与所述全桥逆变电路电连接,所述辅助电源电路与外部电源电连接,所述PWM移相脉宽功率调控电路与所述辅助电源电路电连接。本发明提供的臭氧发生器专用电源具有电源利用率高的技术效果。(The invention relates to the technical field of ozone generators and discloses a special power supply for an ozone generator, which comprises a rectification filter circuit, a full-bridge inverter circuit, a booster circuit, a capacitive load circuit, a PWM phase-shifting pulse width power regulation circuit and an auxiliary power supply circuit, wherein the rectification filter circuit is connected with the full-bridge inverter circuit; the rectification filter circuit is electrically connected with an external power supply, the rectification filter circuit passes through the full-bridge inverter circuit with the booster circuit is electrically connected, the booster circuit passes through the capacitive load circuit is electrically connected with ozone generator's bipolar plate, the booster circuit still with PWM phase shift pulse width power regulation and control circuit electricity is connected, PWM phase shift pulse width power regulation and control circuit with the full-bridge inverter circuit electricity is connected, auxiliary power supply circuit is electrically connected with the external power supply, PWM phase shift pulse width power regulation and control circuit with the auxiliary power supply circuit electricity is connected. The special power supply for the ozone generator provided by the invention has the technical effect of high power supply utilization rate.)

1. A special power supply for an ozone generator is characterized by comprising a rectification filter circuit, a full-bridge inverter circuit, a booster circuit, a capacitive load circuit, a PWM phase-shifting pulse width power regulation circuit and an auxiliary power supply circuit;

the rectification filter circuit is electrically connected with an external power supply, the rectification filter circuit passes through the full-bridge inverter circuit with the booster circuit is electrically connected, the booster circuit passes through the capacitive load circuit is electrically connected with ozone generator's bipolar plate, the booster circuit still with PWM phase shift pulse width power regulation and control circuit electricity is connected, PWM phase shift pulse width power regulation and control circuit with the full-bridge inverter circuit electricity is connected, auxiliary power supply circuit is electrically connected with the external power supply, PWM phase shift pulse width power regulation and control circuit with the auxiliary power supply circuit electricity is connected.

2. The power supply special for the ozone generator as claimed in claim 1, wherein the rectification filter circuit comprises a capacitor C03, a conjugate inductor L01, a capacitor C04, a diode D01, a diode D02, a diode D03, a diode D04, a capacitor C05, a capacitor C06, a capacitor C07, a capacitor C08, an inductor L02, a capacitor C09, a capacitor C010, a capacitor C011, a capacitor C012, a resistor R01 and a resistor R02;

two ends of an external power supply are electrically connected through the capacitor C03, two ends of the capacitor C03 are electrically connected to the conjugate inductor L01, the conjugate inductor L01 are electrically connected to two ends of the capacitor C04, one end of the capacitor C04 is electrically connected to an anode of the diode D01, an anode of the diode D03 is electrically connected to the other end of the capacitor C04, an anode of the diode D01 is electrically connected to a cathode of the diode D02, an anode of the diode D02 is grounded, an anode of the diode D02 is electrically connected to an anode of the diode D04, a cathode of the diode D04 is electrically connected to an anode of the diode D03, a cathode of the diode D03 is electrically connected to a cathode of the diode D01, a cathode of the diode D03 is electrically connected to an anode of the diode D04 through the capacitor C05 and the capacitor C06 in sequence, and the capacitor C07 is connected in parallel to the capacitor C05, the electric capacity C08 with electric capacity C06 is parallelly connected, inductance L02 with electric capacity C09 after establishing ties with electric capacity C07 is parallelly connected, electric capacity C010 with electric capacity C08 is parallelly connected, electric capacity C011 with electric capacity C09 is parallelly connected, electric capacity C012 with electric capacity C010 is parallelly connected, resistance R01 with electric capacity C011 is parallelly connected, resistance R02 with electric capacity C012 is parallelly connected, resistance R01 with electric capacity C011's common terminal is rectifier filter circuit's output VC, resistance R02 with electric capacity C012's common terminal is rectifier filter circuit's output, rectifier filter circuit's two output respectively with full-bridge inverter circuit electricity is connected.

3. The ozone generator dedicated power supply as claimed in claim 1, wherein the full bridge inverter circuit comprises a switching tube Qa, a switching tube Qb, a switching tube Qc and a switching tube Qd;

one output end of the rectification filter circuit is electrically connected with a drain electrode of the switch tube Qa, a source electrode of the switch tube Qa is electrically connected with a drain electrode of the switch tube Qb, a source electrode of the switch tube Qb is electrically connected with the other output end of the rectification filter circuit, a drain electrode of the switch tube Qa is electrically connected with a drain electrode of the switch tube Qc, a source electrode of the switch tube Qc is electrically connected with a drain electrode of the switch tube Qd, and a source electrode of the switch tube Qd is electrically connected with a source electrode of the switch tube Qb;

the drain electrode of the switch tube Qa is electrically connected with the anode of a diode Da through a capacitor Ca, the cathode of the diode Da is electrically connected with the source electrode of the switch tube Qa, the anode of the diode Da is electrically connected to the source of the switching tube Qb through a resistor Ra, the drain electrode of the switching tube Qa is electrically connected with the source electrode of the switching tube Qa through a capacitor Ca1, the drain electrode of the switch tube Qa is electrically connected with the anode of a voltage regulator tube Da1, the cathode of the voltage regulator tube Da1 is electrically connected with the cathode of a voltage regulator tube Da2, the anode of the voltage regulator tube Da2 is electrically connected with the source electrode of the switch tube Qa, the anode of the voltage regulator tube Da2 is electrically connected with the anode of the voltage regulator tube Da1 through a resistor Rgea, the grid of the switch tube Qa is electrically connected with the PWM phase-shifting pulse width power regulation and control circuit through a resistor Rga, the drain electrode and the source electrode of the switching tube Qa are respectively and electrically connected with the PWM phase-shifting pulse width power regulation and control circuit;

the drain electrode of the switch tube Qb is electrically connected with the anode of the diode Db, the cathode of the diode Db is electrically connected with the source electrode of the switch tube Qb through the capacitor Cb, the cathode of the diode Db is electrically connected to the drain of the switching tube Qa through a resistor Rb, the drain of the switch tube Qb is electrically connected to the source of the switch tube Qb through a capacitor Cb1, the drain electrode of the switch tube Qb is electrically connected with the anode of a voltage regulator tube Db1, the cathode of the voltage regulator tube Db1 is electrically connected with the cathode of a voltage regulator tube Db2, the anode of the voltage regulator tube Db2 is electrically connected with the source electrode of the switch tube Qb, the anode of the voltage regulator tube Db2 is electrically connected with the anode of the voltage regulator tube Db1 through a resistor Rgeb, the gate of the switching tube Qb is electrically connected with the PWM phase-shift pulse width power regulating circuit through a resistor Rgb, the drain electrode and the source electrode of the switch tube Qb are respectively and electrically connected with the PWM phase-shifting pulse width power regulation and control circuit;

the drain electrode of the switch tube Qc is electrically connected with the anode of a diode Dc through a capacitor Cc, the cathode of the diode Dc is electrically connected with the source electrode of the switch tube Qc, the anode of the diode Dc is electrically connected with the source electrode of the switch tube Qd through a resistor Rc, the drain electrode of the switch tube Qc is electrically connected with the anode of a voltage-stabilizing tube Dc1, the cathode of the voltage-stabilizing tube Dc1 is electrically connected with the cathode of a voltage-stabilizing tube Dc2, the anode of the voltage-stabilizing tube Dc2 is electrically connected with the source electrode of the switch tube Qc, the anode of the voltage-stabilizing tube Dc2 is electrically connected with the anode of the voltage-stabilizing tube Dc1 through a resistor Rgec, the grid electrode of the switch tube Qc is electrically connected with the PWM phase-shifting pulse width power regulating circuit through a resistor Rgc, and the drain electrode and the source electrode of the switch tube;

the drain electrode of the switch tube Qd is electrically connected with the anode of a diode Dd, the cathode of the diode Dd is electrically connected with the source electrode of the switch tube Qd through a capacitor Cd, the cathode of the diode Dd is electrically connected with the drain electrode of the switch tube Qc through a resistor Rd, the drain electrode of the switch tube Qd is electrically connected with the anode of a voltage regulator tube Dd1, the cathode of the voltage regulator tube Dd1 is electrically connected with the cathode of a voltage regulator tube Dd2, the anode of the voltage regulator tube Dd2 is electrically connected with the source electrode of the switch tube Qd, the anode of the voltage regulator tube Dd2 is electrically connected with the anode of a voltage regulator tube Dd1 through a resistor Rged, the grid electrode of the switch tube Qd is electrically connected with the PWM phase-shifting pulse width power regulating circuit through a resistor Rgd, and the drain electrode and the source electrode of the switch tube Qd are respectively electrically connected with the PWM phase-shifting pulse width power regulating circuit;

and the drain electrode of the switch tube Qb and the drain electrode of the switch tube Qd are both the output end V-OUT of the full-bridge inverter circuit.

4. The ozone generator dedicated power supply according to claim 1, wherein the boost circuit comprises a transformer B100, the capacitive load circuit comprises a capacitor bank C100;

one output end of the full-bridge inverter circuit is electrically connected with one end of the primary side of the transformer B100, the other output end of the full-bridge inverter circuit is electrically connected with the other end of the primary side of the transformer B100 through the capacitor bank C100, and the secondary side of the transformer B100 is respectively electrically connected with the bipolar plate of the ozone generator.

5. The ozone generator dedicated power supply according to claim 1, wherein the PWM phase-shift pulse width power regulation circuit comprises a current sampling circuit, a voltage sampling circuit, a power control circuit, an isolation drive circuit and a protection circuit;

the current sampling circuit and the voltage sampling circuit are respectively electrically connected with the booster circuit, the current sampling circuit and the voltage sampling circuit are respectively electrically connected with the power control circuit, the power control circuit is connected with the full-bridge inverter circuit through the isolation driving circuit, the voltage sampling circuit and the current sampling circuit are respectively connected with the power control circuit through the protection circuit.

6. The ozone generator dedicated power supply according to claim 5, characterized in that said current sampling circuit comprises a Hall current sensor TA and said voltage sampling circuit comprises a Hall voltage sensor TV;

the Hall current sensor TA is arranged on a circuit electrically connected between the full-bridge inverter circuit and the booster circuit, and is electrically connected with the power control circuit; one output end of the booster circuit is grounded sequentially through an inductor L100, a resistor R100 and a resistor R200, a common end of the resistor R100 and the resistor R200 is electrically connected with the power control circuit through the Hall voltage sensor TV, a power supply end of the Hall current sensor TA and a power supply end of the Hall voltage sensor TV are respectively electrically connected with the auxiliary power circuit, a grounding end of the Hall current sensor TA is grounded, and a grounding end of the Hall voltage sensor TV is grounded through a resistor R300.

7. The ozone generator dedicated power supply of claim 5, wherein the power control circuit comprises a control chip IC1 model UCC 3895;

the voltage sampling circuit is electrically connected with an ENA pin of the control chip IC1 through a resistor R17, the ENA pin of the control chip IC1 is electrically connected with an EAOUT pin of the control chip IC1 through a resistor R9, and a resistor R8 is connected with a capacitor C4 in series and then connected with the resistor R9 in parallel; the current sampling circuit is electrically connected with the inverting input terminal of the operational amplifier IC10 through a resistor R1, the inverting input terminal of the operational amplifier IC10 is electrically connected to the output terminal of the operational amplifier IC10 through a resistor R2, a capacitor C1 is connected in parallel with the resistor R2, the non-inverting input terminal of the operational amplifier IC10 is grounded through a resistor R5, the output terminal of the operational amplifier IC10 is electrically connected with the inverting input terminal of the operational amplifier IC20 through a resistor R4, the inverting input terminal of the operational amplifier IC20 is electrically connected to the output terminal of the operational amplifier IC20 through a resistor R3, a capacitor C2 is connected in parallel with the resistor R3, the non-inverting input terminal of the operational amplifier IC20 is grounded through a resistor R6, the output terminal of the operational amplifier IC20 is grounded through a capacitor C3, the output end of the operational amplifier IC20 is electrically connected with a RAMP pin of the control chip IC1 through a resistor R7; a RAMP pin of the control chip IC1 is electrically connected to a REF pin of the control chip IC1 through a resistor R11, a RAMP pin of the control chip IC1 is electrically connected to an emitter of a triode T1 sequentially through a resistor R12 and a capacitor C4, the emitter of the triode T1 is grounded through a resistor R14, a collector of the triode T1 is electrically connected to the REF pin of the control chip IC1, a base of the triode T1 is electrically connected to a CT pin of the control chip IC1 through a resistor R13, and the REF pin of the control chip IC1 is electrically connected to an EAP pin of the control chip IC1 through a resistor R16; the GND pin of the control chip IC1 is grounded, the GND pin of the control chip IC1 is electrically connected with the CT pin of the control chip IC1 through a capacitor Ct, the RT pin of the control chip IC1 is grounded through a resistor Rt, the DELAB pin of the control chip IC1 is grounded through a resistor Rdeb, the DELCD pin of the control chip IC1 is grounded through a resistor Rdecd, the ADS pin of the control chip IC1 is grounded through a resistor RdS, the ADS pin of the control chip IC1 is electrically connected with the CS pin of the control chip IC1 through a resistor Rca, the CS pin of the control chip IC1 is grounded through a capacitor s, a resistor RCS is connected in parallel with the capacitor Ccs, the CS pin of the control chip IC1 is electrically connected with the protection circuit through a resistor R15, the OUT-A pin, the OUT-B pin, the OUT-C pin and the OUT-D pin of the control chip IC1 are electrically connected with the isolation drive circuit respectively, the VDD pin of the control chip IC1 is electrically connected with the auxiliary power supply circuit, the PGND pin of the control chip IC1 is grounded, the SS/DISB pin of the control chip IC1 is grounded through a resistor R17, and a capacitor Csd is connected with the resistor R17 in parallel.

8. The ozone generator dedicated power supply as claimed in claim 5, wherein the isolated driving circuit comprises four driving unit circuits, and the four driving unit circuits are respectively and electrically connected with the four switching tubes of the full-bridge inverter circuit in a one-to-one correspondence manner;

the driving unit circuit comprises a driving chip ICa with the model number of M57962L and a trigger ICe with the model number of CD 4013-A;

the No. 1 pin of the driving chip ICa is electrically connected with the anode of a diode D20, the drain of a switch tube corresponding to the cathode of the diode D20 is electrically connected, the No. 1 pin of the driving chip ICa is electrically connected with the cathode of a voltage regulator tube D30, the anode of the voltage regulator tube D30 is electrically connected with the No. 6 pin of the driving chip ICa, the No. 5 pin of the driving chip ICa is electrically connected with the gate of the corresponding switch tube, the No. 4 pin and the No. 6 pin of the driving chip ICa are respectively electrically connected with the auxiliary power circuit, the No. 4 pin of the driving chip ICa is electrically connected with the No. 6 pin of the driving chip ICa sequentially through a capacitor C10 and a capacitor C20, a capacitor C30 is connected in parallel with a capacitor C10, the capacitor C40 is connected in parallel with a capacitor C20, and the common end of the capacitor C10 and the capacitor C20 is electrically connected with; a pin 13 of the driving chip ICa is electrically connected with a collector of a triode T20, an emitter of the triode T20 is grounded, a base of the triode T20 is electrically connected with an emitter of the triode T20 through a resistor R70, a base of the triode T20 is electrically connected with the power control circuit through a resistor R60, and a capacitor C60 is connected with the resistor R60 in parallel; the No. 14 pin of the driving chip ICa is electrically connected with the auxiliary power supply circuit and is grounded through a capacitor C70, and a capacitor C80 is connected with a capacitor C70 in parallel;

the pin 8 of the driving chip ICa is electrically connected with the cathode of the input diode of the optical coupler G0, the anode of the input diode of the optical coupler G0 is electrically connected with the auxiliary power circuit through a resistor R20, the collector of the output triode of the optical coupler G0 is electrically connected with the auxiliary power circuit, the emitter of the output triode of the optical coupler G0 is grounded through a resistor R10 and is electrically connected with the CLK pin of the flip-flop ICe, the R pin of the flip-flop ICe is electrically connected with the D pin of the flip-flop ICe through a capacitor C50, the R pin of the flip-flop ICe is electrically connected with the cathode of a diode D10, the anode of the diode D10 is grounded, a resistor R50 is connected in parallel with the diode D10, the VSS pin and the S pin of the flip-flop ICe are both grounded, the Q pin of the flip-flop ICe is electrically connected with the anode of a diode D40, and the cathode of the diode D40 is electrically connected with the protection, the Q pin of the trigger ICe is electrically connected with the base electrode of a triode T10 through a resistor R40, the emitter electrode of the triode T10 is grounded, the collector electrode of the triode T10 is electrically connected with the cathode of a diode D50, the anode of the diode D50 is electrically connected with the auxiliary power supply circuit through a resistor R30, and the VDD pin and the D pin of the trigger ICe are both electrically connected with the auxiliary power supply circuit.

9. The ozone generator dedicated power supply according to claim 5, wherein the protection circuit comprises an overvoltage protection circuit, an overcurrent protection circuit and an overheat protection circuit;

the overvoltage protection circuit comprises a differential amplifier IC101, a voltage comparator IC102 and a trigger IC 103;

the output end of the voltage acquisition circuit is grounded through a resistor R101 and a resistor R102 in sequence, the common end of the resistor R101 and the resistor R102 is electrically connected with the non-inverting input end of the differential amplifier IC101 through a resistor R103, the inverting input end of the differential amplifier IC101 is electrically connected with the output end of the differential amplifier IC101 through a capacitor C101, the output end of the differential amplifier IC101 is electrically connected with the anode of the input diode of the optocoupler G101 through a resistor R105, the cathode of the input diode of the optocoupler G101 is electrically connected with the anode of the input diode of the optocoupler G102, the cathode of the input diode of the optocoupler G102 is grounded, the collector of the output triode of the optocoupler G102 is electrically connected with the auxiliary power supply circuit, and the emitter of the output triode of the optocoupler G102 is grounded through a resistor R104 and electrically connected with the inverting input end of the differential amplifier IC101, the collector of the output triode of the optocoupler G101 is electrically connected with the auxiliary power circuit, the emitter of the output triode of the optocoupler G101 is grounded through a resistor R106 and is electrically connected with the non-inverting input end of the voltage comparator IC102 through a resistor R107, the non-inverting input end of the voltage comparator IC102 is grounded through a capacitor C102, the inverting input end of the voltage comparator IC102 is electrically connected with the sliding end of a potentiometer RW101 through a resistor R108, the potentiometer RW101 is connected in series between the auxiliary power circuit and the ground, the inverting input end of the voltage comparator IC102 is grounded through a capacitor C103, the output end of the voltage comparator IC102 is grounded through a capacitor C104 and is electrically connected with the auxiliary power circuit through a resistor R110, the output end of the voltage comparator IC102 is electrically connected with the CLK pin of the trigger IC103, the R pin of the trigger IC103 is electrically connected with the cathode of the diode D101, the anode of the diode D101 is grounded, the resistor R109 is connected in parallel with the diode D101, the R pin of the flip-flop IC103 is electrically connected to the D pin of the flip-flop IC103 through the capacitor C105, the D pin and the VDD pin of the flip-flop IC103 are both electrically connected to the auxiliary power circuit, the VSS pin and the S pin of the flip-flop IC103 are both grounded, the Q pin of the flip-flop IC103 is electrically connected to the anode of the diode D103, the cathode of the diode D103 is electrically connected to the power control circuit, the Q pin of the flip-flop IC103 is electrically connected to the base of the transistor T101 through the resistor R111, the emitter of the transistor T101 is grounded, the collector of the transistor T101 is electrically connected to the cathode of the light emitting diode D103, and the anode of the light emitting diode D103 is electrically connected to the auxiliary power circuit through the resistor R112;

the overcurrent protection circuit comprises a voltage comparator IC104 and a trigger IC 105;

the anode of the diode DW is electrically connected with the cathode of the diode Dy, the anode of the diode Dy is electrically connected with the anode of the diode Dz, the anode of the diode Dy is grounded, the cathode of the diode Dz is electrically connected with the anode of the diode DX, and the cathode of the diode DX is electrically connected with the cathode of the diode DW; the anode of the diode DW and the anode of the diode DX are respectively electrically connected with the boosting circuit, the cathode of the diode DW is electrically connected with the anode of the diode Dy through a resistor Rse, a resistor Ra is connected with a capacitor Cx in series and then connected with the resistor R se in parallel, and a resistor Rb is connected with a resistor Rc in series and then connected with the capacitor Cx in parallel; the common end of the resistor Rb and the resistor Rc is electrically connected to the non-inverting input end of the voltage comparator IC104 through a resistor R114, and the non-inverting input end of the voltage comparator IC104 is grounded through a capacitor C106; the power supply auxiliary circuit is electrically connected with the cathode of a voltage regulator tube T101 through a resistor R113, the anode of the voltage regulator tube T101 is grounded, the cathode of the voltage regulator tube T101 is grounded through a potentiometer RW102, the sliding end of the potentiometer RW102 is electrically connected with the reverse input end of the voltage comparator IC104 through a resistor R115, and the reverse input end of the voltage comparator IC104 is grounded through a capacitor C107; the output end of the voltage comparator IC104 is grounded through a capacitor C108 and is electrically connected with the auxiliary power supply circuit through a resistor R116; the output end of the voltage comparator IC104 is electrically connected to the CLK pin of the flip-flop IC105, the R pin of the flip-flop IC105 is electrically connected to the cathode of the diode D104, the anode of the diode D104 is grounded, the resistor R117 is connected in parallel to the diode D104, the R pin of the flip-flop IC105 is electrically connected to the D pin of the flip-flop IC105 through the capacitor C109, the D pin and the VDD pin of the flip-flop IC105 are electrically connected to the auxiliary power circuit, the VSS pin and the S pin of the flip-flop IC105 are grounded, the Q pin of the flip-flop IC105 is electrically connected to the anode of the diode D105, the cathode of the diode D105 is electrically connected to the power control circuit, the Q pin of the flip-flop IC105 is electrically connected to the base of the transistor T102 through the resistor R119, the emitter of the transistor T102 is grounded, and the collector of the transistor T102 is electrically connected to the cathode of the light, the anode of the light emitting diode D106 is electrically connected with the auxiliary power supply circuit through a resistor R118;

the overheating protection circuit comprises a voltage comparator IC106 and a trigger IC 107;

the auxiliary power circuit is grounded through a thermistor RT and a resistor R120 in sequence, a common end of the thermistor RT and the resistor R120 is electrically connected with a non-inverting input end of the voltage comparator IC106 through a resistor R122, the non-inverting input end of the voltage comparator IC106 is grounded through a capacitor C110, the auxiliary power circuit is grounded through a resistor R121 and a potentiometer RW103 in sequence, a sliding end of the potentiometer RW103 is electrically connected with an inverting input end of the voltage comparator IC106 through a resistor R123, the inverting input end of the voltage comparator IC106 is grounded through a capacitor C111, and an output end of the voltage comparator IC106 is grounded through a capacitor C112 and is electrically connected with the auxiliary power circuit through a resistor R124; the output end of the voltage comparator IC106 is electrically connected to the CLK pin of the flip-flop IC107, the R pin of the flip-flop IC107 is electrically connected to the cathode of the diode D107, the anode of the diode D107 is grounded, the resistor R125 is connected in parallel to the diode D107, the R pin of the flip-flop IC107 is electrically connected to the D pin of the flip-flop IC107 through the capacitor C113, the D pin and the VDD pin of the flip-flop IC107 are electrically connected to the auxiliary power circuit, the VSS pin and the S pin of the flip-flop IC107 are grounded, the Q pin of the flip-flop IC107 is electrically connected to the anode of the diode D108, the cathode of the diode D103 is electrically connected to the power control circuit, the Q pin of the flip-flop IC107 is electrically connected to the base of the transistor T103 through the resistor R126, the emitter of the transistor T103 is grounded, and the collector of the transistor T103 is electrically connected to the cathode of the light, the anode of the light emitting diode D109 is electrically connected to the auxiliary power supply circuit through a resistor R127.

10. The ozone generator dedicated power supply according to claim 1, wherein the auxiliary power supply circuit comprises a plurality of auxiliary power supply unit circuits, and output voltages of the auxiliary power supply unit circuits are different from each other; each auxiliary power supply unit circuit comprises an auxiliary rectification filter circuit and a voltage stabilizing circuit;

and each auxiliary rectification filter circuit is respectively and electrically connected with a corresponding voltage stabilizing circuit, and each voltage stabilizing circuit is respectively and electrically connected with the PWM phase-shifting pulse width power regulation and control circuit.

Technical Field

The invention relates to the technical field of ozone generators, in particular to a special power supply for an ozone generator.

Background

Ozone production is mainly dependent on two aspects: on the one hand, environmental factors such as temperature, pressure and oxygen concentration determine the maximum concentration of ozone in the gas, and the lower the temperature, the higher the pressure and the higher the oxygen concentration, the higher the concentration of ozone generated; the other is the discharge power, which primarily determines the rate of ozone generation in the gas. The discharge tests of the gas under different power supply conditions show that under the condition of a high-frequency high-voltage alternating current power supply, electrons continuously move back and forth in a discharge space, so that the number of times of collision with gas molecules is increased, the ionization capacity is obviously improved, the breakdown voltage is obviously reduced, and the discharge is easier to be self-sustained than under the direct current condition. According to the analysis, the ozone generator is suitable for adopting a high-frequency high-voltage sine alternating current power supply. However, the power supply of the existing ozone generator has the problem of low power supply utilization efficiency.

Disclosure of Invention

The invention aims to overcome the technical defects, provides a special power supply for an ozone generator and solves the technical problem that the utilization efficiency of the power supply of the ozone generator in the prior art is not high.

In order to achieve the technical purpose, the technical scheme of the invention provides a special power supply for an ozone generator, which comprises a rectification filter circuit, a full-bridge inverter circuit, a booster circuit, a capacitive load circuit, a PWM phase-shifting pulse width power regulation circuit and an auxiliary power supply circuit;

the rectification filter circuit is electrically connected with an external power supply, the rectification filter circuit passes through the full-bridge inverter circuit with the booster circuit is electrically connected, the booster circuit passes through the capacitive load circuit is electrically connected with ozone generator's bipolar plate, the booster circuit still with PWM phase shift pulse width power regulation and control circuit electricity is connected, PWM phase shift pulse width power regulation and control circuit with the full-bridge inverter circuit electricity is connected, auxiliary power supply circuit is electrically connected with the external power supply, PWM phase shift pulse width power regulation and control circuit with the auxiliary power supply circuit electricity is connected.

Compared with the prior art, the invention has the beneficial effects that: the invention adopts a PWM phase-shift pulse width control power regulation mode, has the characteristic of controlling constant frequency by conventional PWM, overcomes the defect that constant frequency cannot be realized by direct current power regulation and PFM power regulation, and can be switched on and off by ZCS (zero current) or ZVS (zero voltage) in the power regulation process, thereby reducing the switching power consumption of a switching tube in a full-bridge inverter circuit and effectively improving the utilization rate of a power supply. .

Drawings

FIG. 1 is a schematic circuit diagram of an embodiment of a power supply dedicated to an ozone generator according to the present invention;

FIG. 2 is a circuit diagram of a rectifying and filtering circuit of an embodiment of the power supply dedicated for an ozone generator provided by the present invention;

FIG. 3 is a circuit diagram of a full bridge inverter circuit according to an embodiment of the power supply dedicated for an ozone generator provided by the present invention;

FIG. 4 is a circuit diagram of a voltage boost circuit, a capacitive load circuit, a current sampling circuit and a voltage sampling circuit of an embodiment of the power supply dedicated for an ozone generator provided by the present invention;

FIG. 5 is a circuit diagram of a power control circuit of an embodiment of the power supply dedicated to the ozone generator provided by the present invention;

FIG. 6 is a circuit diagram of a driving unit circuit of an embodiment of the power supply dedicated for an ozone generator provided by the present invention;

FIG. 7 is a circuit diagram of an overvoltage protection circuit of an embodiment of the power supply dedicated for the ozone generator provided by the present invention;

FIG. 8 is a circuit diagram of an over-current protection circuit of an embodiment of the power supply dedicated for the ozone generator provided by the present invention;

FIG. 9 is a circuit diagram of an overheat protection circuit of an embodiment of the power supply dedicated to the ozone generator provided by the present invention;

FIG. 10 is a circuit diagram of an auxiliary rectifying and filtering circuit of an embodiment of the power supply dedicated for an ozone generator provided by the present invention;

FIG. 11 is a circuit diagram of a voltage regulator circuit according to an embodiment of the power supply dedicated for an ozone generator provided by the present invention;

reference numerals:

1. rectifier filter circuit, 2, full-bridge inverter circuit, 3, boost circuit, 4, capacitive load circuit, 5, PWM phase shift pulse width power regulation and control circuit, 51, current sampling circuit, 52, voltage sampling circuit, 53, power control circuit, 54, isolation drive circuit, 541, drive unit circuit, 55, protection circuit, 551, overvoltage protection circuit, 552, overcurrent protection circuit, 553, overheat protection circuit, 6, auxiliary power supply circuit, 61, auxiliary rectifier filter circuit, 62, voltage stabilizing circuit, 10, external power supply, 20, bipolar plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.