An adjustable ozone power supply

Abstract

The present invention belongs to the technical field of power supplies, and provides an adjustable ozone power supply, comprising: a rectifier circuit and a half-bridge circuit; the rectifier circuit is connected to the half-bridge circuit; the rectifier circuit is used to provide continuous, stable and reliable direct current; the half-bridge circuit is used to generate a square wave signal. Through the configuration of the rectifier circuit and the half-bridge circuit, the present invention can achieve power adjustment of the adjustable ozone power supply, save electric energy, and at the same time avoid the occurrence of damage to the ozone generator due to excessive power and excessive heat generation.

Description

Technical Field

[0001] The present invention relates to the technical field of power supplies, and particularly to an adjustable ozone power supply. Background Art

[0002] At present, due to various factors such as cost and professional fields, ozone power supplies on the market do not have the power to adjust the frequency and can only adjust the duty cycle, resulting in incompatibility with ozone generators of different manufacturers. Moreover, in the case of aging, overheating, overvoltage, etc. of the ozone generator, there will be a variation in the resonance frequency, resulting in low utilization rate of such ozone power supplies, easy power offset, and if the variation is too high, the power supply board will be burned, and if it is too low, the ozone output will be low, consuming a large amount of electric energy, so there are quite large limitations in specific applications.

[0003] Therefore, it is necessary to provide an adjustable ozone power supply. Summary of the Invention

[0004] The present invention provides an adjustable ozone power supply. Through the configuration of a rectification circuit and a half-bridge circuit, the power adjustment of the adjustable ozone power supply can be realized, electric energy can be saved, and at the same time, the situation that the ozone generator is damaged due to too high power and excessive heat generation can be avoided.

[0005] The present invention provides an adjustable ozone power supply, including: a rectification circuit and a half-bridge circuit; the rectification circuit is connected to the half-bridge circuit; the rectification circuit is used to provide continuous, stable and reliable direct current; the half-bridge circuit is used to generate a square wave signal.

[0006] Further, the rectification circuit includes an AC power supply, a rectifier bridge BRIDGE, a capacitor C1, a capacitor EC1, a capacitor EC2, a resistor R1 and a resistor R2;

[0007] One end of the rectifier bridge BRIDGE is connected to the AC_L end of the AC power supply, the second end of the rectifier bridge BRIDGE is connected to the AC_N end of the AC power supply, the third end of the rectifier bridge BRIDGE is connected to one end of the capacitor C1, and the fourth end of the rectifier bridge BRIDGE is connected to the other end of the capacitor C1; one end of the capacitor C1 is connected to one end of the resistor R1, and the other end of the capacitor C1 is grounded; the other end of the resistor R1 is connected to one end of the resistor R2, and the other end of the resistor R2 is grounded; one end of the resistor R1 is connected to the positive electrode of the capacitor EC1, the negative electrode of the capacitor EC1 is connected to the positive electrode of the capacitor EC2, and the negative electrode of the capacitor EC2 is grounded; the positive electrode of the capacitor EC2 is connected to the neutral wire outlet end NO.

[0008] Further, the half-bridge circuit includes a pulse width modulation generator A, a pulse width modulation generator B, a transformer T1, a triode Q1, a triode Q2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a diode D1 and a diode D2;

[0009] The pulse width modulation generator A is connected to terminal 1 of the transformer T1, and the pulse width modulation generator B is connected to terminal 2 of the transformer T1. Terminal 3 of the transformer T1 is respectively connected to the cathode of the diode D1 and one end of the resistor R3. The other end of the resistor R3 is connected to one end of the resistor R4. The anode of the diode D1 is connected to one end of the resistor R4. The other end of the resistor R4 is connected to terminal 4 of the transformer T1; Terminal 3 of the rectifier bridge BRIDGE is connected to the drain of the triode Q1. The gate of the triode Q1 is connected to the anode of the diode D1. The source of the triode Q1 is connected to the other end of the resistor R4; The drain of the triode Q2 is connected to the source of the triode Q1. The gate of the triode Q2 is connected to the anode of the diode D2. The cathode of the diode D2 is connected to one end of the resistor R5. One end of the resistor R5 is connected to terminal 6 of the transformer T1. Terminal 5 of the transformer T1 is grounded. The other end of the resistor R5 is connected to one end of the resistor R6. The other end of the resistor R6 is grounded. The source of the triode Q2 is grounded; The anode of the diode D2 is connected to one end of the resistor R6; The drain of the triode Q2 is connected to the live wire output terminal LO.

[0010] Further, one end of the resistor R1 and the gate of the triode Q1 are respectively connected to high voltage HV.

[0011] Further, it further includes an ozone generation module. The rectifier circuit and the half-bridge circuit are connected to the ozone generation module. The ozone generation module includes a transformer T2 and an ozone generator LOAD; Terminal 1 of the transformer T2 is connected to the neutral wire output terminal NO. Terminal 2 of the transformer T2 is connected to the live wire output terminal LO. Terminal 4 of the transformer T2 is connected to one end of the ozone generator LOAD. Terminal 3 of the transformer T2 is connected to the other end of the ozone generator LOAD.

[0012] Further, both the pulse width modulation generator A and the pulse width modulation generator B are used to generate drive signals. After being isolated by the transformer T1, a first drive signal is generated at terminals 5 and 6 of the transformer T1; The first drive signals have the same frequency and the same polarity; At terminals 3 and 4 of the transformer T1, a second drive signal is generated, and the second drive signals have the same frequency and opposite polarities.

[0013] Further, the first drive signal and the second drive signal control the triodes Q1 and Q2 to conduct and turn off alternately;

[0014] When the triode Q1 conducts and the triode Q2 turns off, a first output voltage is output between the live wire output terminal LO and the neutral wire output terminal NO; When the triode Q1 turns off and the triode Q2 conducts, a second output voltage is output between the live wire output terminal LO and the neutral wire output terminal NO; In the case where the triodes Q1 and Q2 conduct and turn off alternately, the first output voltage and the second output voltage form a stable square wave signal.

[0015] Further, the transformer T2 boosts the stable square wave signal to obtain a boosted voltage, and delivers the boosted voltage to the ozone generator LOAD.

[0016] Further, both the capacitor EC1 and the capacitor EC2 are polarized capacitors.

[0017] Further, it further includes a triode working monitoring and control module for monitoring and controlling the alternate conduction and cutoff processes of the triode Q1 and the triode Q2; the triode working monitoring and control module includes a comparator and a monitoring and control sub-circuit. The monitoring and control sub-circuit is used to obtain the working state information of the alternate conduction and cutoff of the triode Q1 and the triode Q2, and send the working state information to the comparator for working state comparison. If the working state comparison shows a situation inconsistent with the set normal working state, a comparison signal is generated; the monitoring and control sub-circuit controls the pulse width modulation generator A and the pulse width modulation generator B according to the comparison signal to adjust the generation frequency of the drive signal, or controls the working cycles of the pulse width modulation generator A and the pulse width modulation generator B.

[0018] Compared with the prior art, the present invention has the following advantages and beneficial effects: Through the configuration of the rectifier circuit and the half-bridge circuit, the power regulation of the adjustable ozone power supply can be realized, which can save electric energy, and at the same time, it can avoid the situation that the ozone generator is damaged due to excessive power and overheating.

[0019] Other features and advantages of the present invention will be described in the subsequent description, and, in part, will be obvious from the description, or will be understood by implementing the present invention. The objectives and other advantages of the present invention can be achieved and obtained by the structures specifically pointed out in the written description and the drawings.

[0020] Next, through the drawings and embodiments, the technical solutions of the present invention will be further described in detail. Description of the Drawings

[0021] The drawings are used to provide a further understanding of the present invention, and constitute a part of the description. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation to the present invention. In the drawings:

[0022] Figure 1 It is a schematic structural connection diagram of an adjustable ozone power supply;

[0023] Figure 2 It is a schematic structural connection diagram of a rectifier circuit and a half-bridge circuit;

[0024] Figure 3 It is a schematic structural diagram of an ozone generation module. Detailed Embodiments

[0025] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only for the purpose of illustrating and explaining the present invention, and are not intended to limit the present invention.

[0026] The present invention provides an adjustable ozone power supply, as Figure 1 shown, comprising: a rectifying circuit and a half-bridge circuit; the rectifying circuit is connected to the half-bridge circuit; the rectifying circuit is used to provide continuous, stable and reliable direct current; the half-bridge circuit is used to generate a square wave signal.

[0027] The working principle of the above technical solution is: in order to realize the design of the adjustable ozone power supply, the present invention proposes to construct a rectifying circuit and a half-bridge circuit; the rectifying circuit is connected to the half-bridge circuit; wherein, the rectifying circuit is used to provide continuous, stable and reliable direct current; the half-bridge circuit is used to generate a square wave signal.

[0028] The beneficial effects of the above technical solution are: by adopting the solution provided in this embodiment, through the configuration of the rectifying circuit and the half-bridge circuit, the power adjustment of the adjustable ozone power supply can be realized, the electric energy can be saved, and at the same time, the situation that the ozone generator is damaged due to excessive power and excessive heat generation can be avoided.

[0029] In one embodiment, as Figure 2 shown, the rectifying circuit includes an AC power supply, a rectifier bridge BRIDGE, a capacitor C1, capacitors EC1, EC2, a resistor R1 and a resistor R2;

[0030] The 1 terminal of the rectifier bridge BRIDGE is connected to the AC_L terminal of the AC power supply, the 2 terminal of the rectifier bridge BRIDGE is connected to the AC_N terminal of the AC power supply, the 3 terminal of the rectifier bridge BRIDGE is connected to one end of the capacitor C1, and the 4 terminal of the rectifier bridge BRIDGE is connected to the other end of the capacitor C1; one end of the capacitor C1 is connected to one end of the resistor R1, and the other end of the capacitor C1 is grounded; the other end of the resistor R1 is connected to one end of the resistor R2, and the other end of the resistor R2 is grounded; one end of the resistor R1 is connected to the positive electrode of the capacitor EC1, the negative electrode of the capacitor EC1 is connected to the positive electrode of the capacitor EC2, and the negative electrode of the capacitor EC2 is grounded; the positive electrode of the capacitor EC2 is connected to the neutral wire outlet terminal NO.

[0031] The working principle of the above technical solution is as follows: To implement the structure of the rectifier circuit, the rectifier circuit proposed by the present invention includes an AC power supply, a rectifier bridge BRIDGE, a capacitor C1, a capacitor EC1, a capacitor EC2, a resistor R1, and a resistor R2; wherein, the 1 terminal of the rectifier bridge BRIDGE is connected to the AC-L terminal of the AC power supply, the 2 terminal of the rectifier bridge BRIDGE is connected to the AC-N terminal of the AC power supply, the 3 terminal of the rectifier bridge BRIDGE is connected to one end of the capacitor C1, and the 4 terminal of the rectifier bridge BRIDGE is connected to the other end of the capacitor C1; one end of the capacitor C1 is connected to one end of the resistor R1, and the other end of the capacitor C1 is grounded; the other end of the resistor R1 is connected to one end of the resistor R2, and the other end of the resistor R2 is grounded; one end of the resistor R1 is connected to the positive electrode of the capacitor EC1, the negative electrode of the capacitor EC1 is connected to the positive electrode of the capacitor EC2, and the negative electrode of the capacitor EC2 is grounded; the positive electrode of the capacitor EC2 is connected to the neutral wire outlet terminal NO.

[0032] The beneficial effect of the above technical solution is as follows: By adopting the solution provided in this embodiment, the output of stable and reliable direct current can be ensured by setting the structure of the rectifier circuit.

[0033] In one embodiment, the half-bridge circuit includes a pulse width modulation generator A, a pulse width modulation generator B, a transformer T1, a triode Q1, a triode Q2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a diode D1, and a diode D2;

[0034] The pulse width modulation generator A is connected to the 1 terminal of the transformer T1, the pulse width modulation generator B is connected to the 2 terminal of the transformer T1, the 3 terminal of the transformer T1 is respectively connected to the cathode of the diode D1 and one end of the resistor R3, the other end of the resistor R3 is connected to one end of the resistor R4, the anode of the diode D1 is connected to one end of the resistor R4, and the other end of the resistor R4 is connected to the 4 terminal of the transformer T1; the 3 terminal of the rectifier bridge BRIDGE is connected to the drain of the triode Q1, the gate of the triode Q1 is connected to the anode of the diode D1, and the source of the triode Q1 is connected to the other end of the resistor R4; the drain of the triode Q2 is connected to the source of the triode Q1, the gate of the triode Q2 is connected to the anode of the diode D2, the cathode of the diode D2 is connected to one end of the resistor R5, one end of the resistor R5 is connected to the 6 terminal of the transformer T1, the 5 terminal of the transformer T1 is grounded, the other end of the resistor R5 is connected to one end of the resistor R6, the other end of the resistor R6 is grounded, and the source of the triode Q2 is grounded; the anode of the diode D2 is connected to one end of the resistor R6; the drain of the triode Q2 is connected to the live wire outlet terminal LO.

[0035] The working principle of the above technical solution is as follows: In order to implement the circuit structure of the half-bridge circuit, the present invention proposes to form a half-bridge circuit with a pulse width modulation generator A, a pulse width modulation generator B, a transformer T1, a triode Q1, a triode Q2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a diode D1 and a diode D2; among them, the pulse width modulation generator A is connected to the 1 end of the transformer T1, the pulse width modulation generator B is connected to the 2 end of the transformer T1, the 3 end of the transformer T1 is respectively connected to the cathode of the diode D1 and one end of the resistor R3, the other end of the resistor R3 is connected to one end of the resistor R4, the anode of the diode D1 is connected to one end of the resistor R4, and the other end of the resistor R4 is connected to the 4 end of the transformer T1; the 3 end of the rectifier bridge BRIDGE is connected to the drain of the triode Q1, the gate of the triode Q1 is connected to the anode of the diode D1, and the source of the triode Q1 is connected to the other end of the resistor R4; the drain of the triode Q2 is connected to the source of the triode Q1, the gate of the triode Q2 is connected to the anode of the diode D2, the cathode of the diode D2 is connected to one end of the resistor R5, one end of the resistor R5 is connected to the 6 end of the transformer T1, the 5 end of the transformer T1 is grounded, the other end of the resistor R5 is connected to one end of the resistor R6, the other end of the resistor R6 is grounded, and the source of the triode Q2 is grounded; the anode of the diode D2 is connected to one end of the resistor R6; the drain of the triode Q2 is connected to the live wire outlet end LO.

[0036] The beneficial effect of the above technical solution is as follows: By adopting the solution provided in this embodiment, the flexible adjustment of power can be ensured by configuring the circuit structure of the half-bridge circuit.

[0037] In one embodiment, one end of the resistor R1 and the gate of the triode Q1 are respectively connected to a high voltage HV.

[0038] The working principle of the above technical solution is as follows: By respectively connecting and configuring the high voltage HV at one end of the resistor R1 and the gate of the triode Q1, it can be used as a reference for voltage.

[0039] The beneficial effect of the above technical solution is as follows: By adopting the solution provided in this embodiment, the functions of the rectifier circuit and the half-bridge circuit can be ensured by setting the high voltage HV.

[0040] In one embodiment, as Figure 3 shown, it further includes an ozone generation module, the rectifier circuit and the half-bridge circuit are connected to the ozone generation module, and the ozone generation module includes a transformer T2 and an ozone generator LOAD; the 1 end of the transformer T2 is connected to the neutral wire outlet end NO, the 2 end of the transformer T2 is connected to the live wire outlet end LO, the 4 end of the transformer T2 is connected to one end of the ozone generator LOAD, and the 3 end of the transformer T2 is connected to the other end of the ozone generator LOAD.

[0041] The working principle of the above technical solution is as follows: To implement the structure of the ozone generation module, the present invention proposes a transformer T2 and an ozone generator LOAD. Among them, the 1 end of the transformer T2 is connected to the neutral wire output terminal NO, the 2 end of the transformer T2 is connected to the live wire output terminal LO, the 4 end of the transformer T2 is connected to one end of the ozone generator LOAD, and the 3 end of the transformer T2 is connected to the other end of the ozone generator LOAD.

[0042] The beneficial effect of the above technical solution is as follows: By adopting the solution provided in this embodiment, the ozone generator can be protected by setting the ozone generation module.

[0043] In one embodiment, both the pulse width modulation generator A and the pulse width modulation generator B are used to generate drive signals. The drive signals are isolated by the transformer T1, and a first drive signal is generated at the 5 end and the 6 end of the transformer T1. The first drive signals have the same frequency and the same polarity. A second drive signal is generated at the 3 end and the 4 end of the transformer T1. The second drive signals have the same frequency and opposite polarities.

[0044] The working principle of the above technical solution is as follows: To obtain drive signals, the pulse width modulation generator A and the pulse width modulation generator B are used to generate drive signals. The drive signals are isolated by the transformer T1, and a first drive signal is generated at the 5 end and the 6 end of the transformer T1. The first drive signals have the same frequency and the same polarity. A second drive signal is generated at the 3 end and the 4 end of the transformer T1. The second drive signals have the same frequency and opposite polarities.

[0045] The beneficial effect of the above technical solution is as follows: By adopting the solution provided in this embodiment, the pulse width modulation generator A and the pulse width modulation generator B can generate drive signals, providing the basis and conditions for the subsequent generation of square wave signals.

[0046] In one embodiment, the first drive signal and the second drive signal control the triodes Q1 and Q2 to conduct and turn off alternately;

[0047] When the triode Q1 conducts and the triode Q2 turns off, a first output voltage is output between the live wire output terminal LO and the neutral wire output terminal NO. When the triode Q1 turns off and the triode Q2 conducts, a second output voltage is output between the live wire output terminal LO and the neutral wire output terminal NO. In the case where the triodes Q1 and Q2 conduct and turn off alternately, the first output voltage and the second output voltage form a stable square wave signal.

[0048] The working principle of the above technical solution is as follows: Through the first drive signal and the second drive signal, the triodes Q1 and Q2 can be controlled to conduct and turn off alternately to achieve power regulation. Specifically, when the triode Q1 conducts and the triode Q2 turns off, a first output voltage is output between the live wire output terminal LO and the neutral wire output terminal NO; when the triode Q1 turns off and the triode Q2 conducts, a second output voltage is output between the live wire output terminal LO and the neutral wire output terminal NO; in the case where the triodes Q1 and Q2 conduct and turn off alternately, the first output voltage and the second output voltage form a stable square wave signal.

[0049] The beneficial effect of the above technical solution is as follows: By adopting the solution provided in this embodiment, the triodes Q1 and Q2 can be controlled to conduct and turn off alternately through the first drive signal and the second drive signal, and power regulation can be achieved.

[0050] In one embodiment, the transformer T2 boosts the stable square wave signal to obtain a boosted voltage and delivers the boosted voltage to the ozone generator LOAD.

[0051] The working principle of the above technical solution is as follows: In order to protect the ozone generator, the transformer T2 boosts the stable square wave signal to obtain a boosted voltage and delivers the boosted voltage to the ozone generator LOAD.

[0052] The beneficial effect of the above technical solution is as follows: By adopting the solution provided in this embodiment, the ozone generator can be protected by boosting the stable square wave signal with the transformer T2 and then delivering it to the ozone generator LOAD.

[0053] In one embodiment, both the capacitor EC1 and the capacitor EC2 are polarized capacitors.

[0054] The working principle of the above technical solution is as follows: In order to achieve the function of the rectifier circuit, both the capacitor EC1 and the capacitor EC2 are configured as polarized capacitors.

[0055] The beneficial effect of the above technical solution is as follows: By adopting the solution provided in this embodiment, the function of overvoltage protection can be effectively achieved by configuring the capacitor EC1 and the capacitor EC2 as polarized capacitors.

[0056] In one embodiment, it further includes a triode operation monitoring and control module for monitoring and controlling the process of the alternate conduction and cutoff of triode Q1 and triode Q2; the triode operation monitoring and control module includes a comparator and a monitoring and control sub-circuit. The monitoring and control sub-circuit is used to obtain the operation state information of the alternate conduction and cutoff of triode Q1 and triode Q2, and send the operation state information to the comparator for operation state comparison. If the operation state comparison shows a situation inconsistent with the set normal operation state, a comparison signal is generated; the monitoring and control sub-circuit controls Pulse Width Modulation Generator A and Pulse Width Modulation Generator B according to the comparison signal to adjust the generation frequency of the drive signal, or control the working cycle of Pulse Width Modulation Generator A and Pulse Width Modulation Generator B.

[0057] The working principle of the above technical solution is as follows: In order to effectively monitor the process of the alternate conduction and cutoff of triode Q1 and triode Q2 and avoid abnormal operation states, it is necessary to monitor and control the process of the alternate conduction and cutoff of triode Q1 and triode Q2; the present invention proposes a triode operation monitoring and control module, which includes a comparator and a monitoring and control sub-circuit. The monitoring and control sub-circuit is used to obtain the operation state information of the alternate conduction and cutoff of triode Q1 and triode Q2, and send the operation state information to the comparator for operation state comparison. If the operation state comparison shows a situation inconsistent with the set normal operation state, a comparison signal is generated; the monitoring and control sub-circuit controls Pulse Width Modulation Generator A and Pulse Width Modulation Generator B according to the comparison signal to adjust the generation frequency of the drive signal, or control the working cycle of Pulse Width Modulation Generator A and Pulse Width Modulation Generator B.

[0058] The beneficial effect of the above technical solution is as follows: By adopting the solution provided in this embodiment, through the monitoring and control of the process of the alternate conduction and cutoff of triode Q1 and triode Q2, the monitoring of the operation states of the alternate conduction and cutoff of triode Q1 and triode Q2 can be ensured, and effective countermeasures can be taken in a timely manner when abnormal operation occurs.

[0059] Obviously, those skilled in the art can make various modifications and variations to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalent technologies, the present invention is also intended to include these modifications and variations.

Claims

1. An adjustable ozone power supply, characterized in that, Comprising: A rectifier circuit and a half-bridge circuit; the rectifier circuit is connected to the half-bridge circuit; The rectifier circuit is used to provide continuous, stable and reliable direct current; the half-bridge circuit is used to generate a square wave signal; The rectifier circuit includes an AC power supply, a rectifier bridge BRIDGE, a capacitor C1, capacitors EC1, EC2, a resistor R1 and a resistor R2; One end of the rectifier bridge BRIDGE is connected to the AC-L end of the AC power supply, the 2 end of the rectifier bridge BRIDGE is connected to the AC-N end of the AC power supply, the 3 end of the rectifier bridge BRIDGE is connected to one end of the capacitor C1, and the 4 end of the rectifier bridge BRIDGE is connected to the other end of the capacitor C1; one end of the capacitor C1 is connected to one end of the resistor R1, and the other end of the capacitor C1 is grounded; the other end of the resistor R1 is connected to one end of the resistor R2, and the other end of the resistor R2 is grounded; one end of the resistor R1 is connected to the positive electrode of the capacitor EC1, the negative electrode of the capacitor EC1 is connected to the positive electrode of the capacitor EC2, and the negative electrode of the capacitor EC2 is grounded; the positive electrode of the capacitor EC2 is connected to the neutral wire outlet NO; one end of the resistor R1 is connected to a high voltage HV; The half-bridge circuit includes a pulse width modulation generator A, a pulse width modulation generator B, a transformer T1, a triode Q1, a triode Q2, resistors R3, R4, R5, R6, a diode D1 and a diode D2; The pulse width modulation generator A is connected to the 1 end of the transformer T1, the pulse width modulation generator B is connected to the 2 end of the transformer T1, the 3 end of the transformer T1 is respectively connected to the cathode of the diode D1 and one end of the resistor R3, the other end of the resistor R3 is connected to one end of the resistor R4, the anode of the diode D1 is connected to one end of the resistor R4, and the other end of the resistor R4 is connected to the 4 end of the transformer T1; the 3 end of the rectifier bridge BRIDGE is connected to the drain of the triode Q1, the gate of the triode Q1 is connected to the anode of the diode D1 and is connected to the high voltage HV, and the source of the triode Q1 is connected to the other end of the resistor R4; the drain of the triode Q2 is connected to the source of the triode Q1, the gate of the triode Q2 is connected to the anode of the diode D2, the cathode of the diode D2 is connected to one end of the resistor R5, one end of the resistor R5 is connected to the 6 end of the transformer T1, the 5 end of the transformer T1 is grounded, the other end of the resistor R5 is connected to one end of the resistor R6, the other end of the resistor R6 is grounded, and the source of the triode Q2 is grounded; the anode of the diode D2 is connected to one end of the resistor R6; the drain of the triode Q2 is connected to the live wire outlet LO; It further includes a triode working monitoring and control module for monitoring and controlling the alternating conduction and cut-off process of the triode Q1 and the triode Q2; the triode working monitoring and control module includes a comparator and a monitoring and control sub-circuit, and the monitoring and control sub-circuit is used to obtain the working state information of the alternating conduction and cut-off of the triode Q1 and the triode Q2, and send the working state information to the comparator for working state comparison. If the working state comparison shows a situation inconsistent with the set normal working state, a comparison signal is generated; The monitoring and control sub - circuit controls Pulse - Width Modulation Generator A and Pulse - Width Modulation Generator B according to the comparison signal to adjust the generation frequency of the drive signal, or controls the duty cycles of Pulse - Width Modulation Generator A and Pulse - Width Modulation Generator B.

2. The adjustable ozone power supply according to claim 1, characterized in that, It also includes an ozone generation module. The rectifier circuit and the half - bridge circuit are connected to the ozone generation module. The ozone generation module includes transformer T2 and ozone generator LOAD; terminal 1 of transformer T2 is connected to the neutral wire outlet NO, terminal 2 of transformer T2 is connected to the live wire outlet LO, terminal 4 of transformer T2 is connected to one end of ozone generator LOAD, and terminal 3 of transformer T2 is connected to the other end of ozone generator LOAD.

3. An adjustable ozone power supply according to claim 1, characterized in that, Both Pulse - Width Modulation Generator A and Pulse - Width Modulation Generator B are used to generate drive signals. The drive signals are isolated by transformer T1, and at terminals 5 and 6 of transformer T1, a first drive signal is generated; the frequencies and polarities of the first drive signals are the same. At terminals 3 and 4 of transformer T1, a second drive signal is generated, and the frequencies of the second drive signals are the same while the polarities are opposite.

4. The adjustable ozone power supply according to claim 3, characterized in that, The first drive signal and the second drive signal control the alternate conduction and cutoff of triode Q1 and triode Q2. When triode Q1 conducts and triode Q2 cuts off, a first output voltage is output between the live wire output terminal LO and the neutral wire output terminal NO; when triode Q1 cuts off and triode Q2 conducts, a second output voltage is output between the live wire output terminal LO and the neutral wire output terminal NO; in the case where triode Q1 and triode Q2 alternate between conduction and cutoff, the first output voltage and the second output voltage form a stable square - wave signal.

5. An adjustable ozone power supply according to claim 4, characterized in that, Transformer T2 boosts the stable square - wave signal to obtain a boosted voltage and delivers the boosted voltage to ozone generator LOAD.

6. An adjustable ozone power supply according to claim 1, characterized in that, Capacitor EC1 and capacitor EC2 are both polarized capacitors.

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