Ozone generator control circuit

Abstract

The utility model discloses an ozone generator control circuit which comprises a control unit, an adjusting unit and a driving unit, the adjusting unit controls an ozone generator to work through the driving unit, and the control unit is electrically connected with the driving unit; the adjusting unit comprises a first integrated circuit and a feedback part, the output end of the first integrated circuit is electrically connected with the input end of the driving unit, the feedback end of the first integrated circuit is electrically connected with the control unit through the feedback part, and in the ozone generator control circuit, the feedback part feeds back the output voltage of the adjusting unit; and the control unit is used for collecting a feedback signal and controlling the output voltage of the regulating unit, so that the power regulation of the ozone generator is realized, and the function of regulating the ozone concentration is realized.

Description

Technical Field

[0001] The utility model relates to the field of ozone generator control circuits, in particular to an ozone generator control circuit. Background Art

[0002] In existing ozone generators, when working, conventional switches are used to control the operation or shutdown of the controller, but there is no adjustment function. According to the patent number: CN201621069466.8, the patent name: An ozone generating circuit for an ozone sterilizer, which records "including a double-pole double-throw switch connected between the live wire and the neutral wire, a push button switch, an intermediate relay normally open contact switch, a push button on, a time relay contact switch, an intermediate relay coil, a green indicator light, a time relay coil, an intermediate relay coil, an intermediate relay coil, an intermediate relay contact switch, an intermediate relay contact switch, an intermediate relay contact switch, a red indicator light, three sets of time relays, an intermediate relay contact switch, an ozone generator, and an ultraviolet lamp". In this reference patent, there is no adjustment control function for the switch, which affects the practicality of the ozone generator.

[0003] In summary, an ozone generator control circuit is designed. Utility Model Content

[0004] In order to overcome the above-mentioned deficiencies, the present utility model provides an ozone generator control circuit.

[0005] The utility model achieves the above-mentioned purpose through the following technical solutions:

[0006] An ozone generator control circuit includes a control unit, a regulating unit and a driving unit, wherein the regulating unit controls the operation of the ozone generator through the driving unit, and the control unit is electrically connected to the driving unit;

[0007] The regulating unit includes a first integrated circuit and a feedback part, the output end of the first integrated circuit is electrically connected to the input end of the driving unit, and the feedback end of the first integrated circuit is electrically connected to the control unit through the feedback part;

[0008] The feedback part includes a first field-effect transistor and a second field-effect transistor. The source of the first field-effect transistor is electrically connected to the feedback end of the first integrated circuit through a third resistor, the source of the second field-effect transistor is electrically connected to the feedback end of the first integrated circuit through a sixth resistor, and the gate of the first field-effect transistor and the gate of the second field-effect transistor are electrically connected to the two signal output ends of the control unit respectively.

[0009] Preferably, the power supply terminal of the first integrated circuit in the regulating unit is externally connected to a DC voltage power supply, and the power supply terminal of the first integrated circuit is grounded via a first capacitor and a second capacitor respectively.

[0010] Preferably, a diode is provided between the output terminal of the first integrated circuit and the driving unit, which prevents the reverse voltage from breaking down the first integrated circuit.

[0011] Preferably, a fifth capacitor is provided at the input terminal of the driving unit. The fifth capacitor is a tantalum capacitor, which can effectively store energy and enable the driving unit to work reliably.

[0012] Preferably, a fuse is also provided at the input terminal of the driving unit. The fuse can prevent the input current of the driving unit from being too high and burning out the driving unit, playing a protective role.

[0013] The beneficial effects of the present utility model are as follows: In the ozone generator control circuit, the feedback part feeds back the output voltage of the regulating unit, and then the control unit collects the feedback signal. The control unit controls the output voltage of the regulating unit, realizing the power regulation of the ozone generator and the function of ozone concentration regulation. Description of the Drawings

[0014] The present utility model will be described by way of examples with reference to the drawings, where:

[0015] Figure 1 is the circuit schematic diagram of the present utility model. Detailed Embodiment

[0016] Now, the present utility model will be further described in detail with reference to the drawings. These drawings are all simplified schematic diagrams, only showing the basic structure of the present utility model in a schematic way, so they only show the components related to the present utility model.

[0017] As Figure 1 shown, an ozone generator control circuit includes a control unit A, a regulating unit B, and a driving unit C. The regulating unit B controls the operation of the ozone generator JP1 through the driving unit C, and the control unit A is electrically connected to the driving unit C; the regulating unit B includes a first integrated circuit U1 and a feedback part. The output terminal of the first integrated circuit U1 is electrically connected to the input terminal of the driving unit C, and the feedback terminal of the first integrated circuit U1 is electrically connected to the control unit A through the feedback part; the feedback part includes a first field-effect transistor Q1 and a second field-effect transistor Q2. The source electrode of the first field-effect transistor Q1 is electrically connected to the feedback terminal of the first integrated circuit U1 through a third resistor R3, and the source electrode of the second field-effect transistor Q2 is electrically connected to the feedback terminal of the first integrated circuit U1 through a sixth resistor R6. The gate electrodes of the first field-effect transistor Q1 and the second field-effect transistor Q2 are respectively electrically connected to two signal output terminals of the control unit A.

[0018] The control unit A includes a second integrated circuit U2, a first capacitor C1, and a second capacitor C2. The model of the second integrated circuit U2 is STM32FRBT6. The power supply terminal of the second integrated circuit U2 is externally connected to a DC voltage power supply and grounded through the first capacitor C1, and the grounding terminal of the second integrated circuit U2 is grounded.

[0019] The drive unit C includes a fuse F1, a second inductor L2, a tenth resistor R10, an eleventh resistor R11, a first triode Q3, a second triode Q4, a sixth capacitor C6, a transformer T1, and a seventh capacitor C7. The cathode of the diode D1 is electrically connected to the bases of the first triode Q3 and the second triode Q4 through the fuse F1 and the second inductor L2 respectively. The base of the first triode Q3 is electrically connected to the second inductor L2 through the tenth resistor R10. The base of the second triode Q4 is electrically connected to the second inductor L2 through the eleventh resistor R11. The emitters of the first triode Q3 and the second triode Q4 are both grounded. The collector of the first triode Q3 is electrically connected to the collector of the second triode Q4 through the sixth capacitor C6. The transformer T1 is provided with two sets of input coils and one set of output coils. The output coil of the transformer T1 is connected in parallel with a series circuit composed of the seventh capacitor C7 and the ozone generator JP1. One end of one set of input coils of the transformer T1 is electrically connected to the base of the first triode Q3 and the other end is electrically connected to the base of the second triode Q4. The two ends of the other set of input coils of the transformer T1 are electrically connected to the collector of the first triode Q3 and the collector of the second triode Q4 respectively, and the center terminal of this set of input coils is electrically connected to the second inductor L2.

[0020] As a specific embodiment, the power supply terminal of the first integrated circuit U1 in the adjustment unit B is externally connected to a DC voltage power supply, and the power supply terminal of the first integrated circuit U1 is grounded through a first capacitor C1 and a second capacitor C2 respectively. The voltage value of the DC voltage power supply is between 5 - 30V. The model of the first integrated circuit U1 is FP6291LR-G1. The second terminal of the first integrated circuit U1 is grounded. The sixth terminal of the first integrated circuit U1 is grounded through a seventh resistor R7. The fourth terminal of the first integrated circuit U1 is electrically connected to the fifth terminal of the first integrated circuit U1. The first terminal of the first integrated circuit U1 is electrically connected to the fifth terminal of the first integrated circuit U1 through a first inductor. The first terminal of the first integrated circuit U1 is electrically connected to the anode of a diode D1. The third terminal of the first integrated circuit U1 is electrically connected to the source electrode of a first field-effect transistor Q1 through a third resistor R3. The third terminal of the first integrated circuit U1 is electrically connected to the source electrode of a second field-effect transistor Q2 through a sixth resistor R6. The third terminal of the first integrated circuit U1 is electrically connected to an eighth resistor R8 and a ninth resistor R9 respectively. The cathode of the diode D1 is grounded through the eighth resistor R8 and the ninth resistor R9. The cathode of the diode D1 is grounded through a third capacitor C3 and a fourth capacitor C4 respectively. The gate electrode of the first field-effect transistor Q1 is grounded through a second resistor. The drain electrode of the first field-effect transistor Q1 is grounded. The gate electrode of the second field-effect transistor Q2 is grounded through a fifth resistor R5. The drain electrode of the second field-effect transistor Q2 is grounded.

[0021] As a specific embodiment, a diode D1 is provided between the output terminal of the first integrated circuit U1 and the drive unit C, and the diode D1 prevents the first integrated circuit U1 from being broken down by reverse voltage.

[0022] As a specific embodiment, a fifth capacitor C5 is provided at the input terminal of the drive unit C. The fifth capacitor C5 is a tantalum capacitor, and the tantalum capacitor can store energy effectively to enable the drive unit C to work reliably.

[0023] As a specific embodiment, a fuse F1 is also provided at the input terminal of the drive unit C. The fuse F1 can prevent the input current of the drive unit C from being too high and burning out the drive unit C, playing a protective role.

[0024] The working principle of this circuit is that the circuit mainly composed of the first field-effect transistor Q1 is OPEN1, and the circuit mainly composed of the second field-effect transistor Q2 is OPEN2. The resistance value of the third resistor R3 is 10kΩ, and the resistance value of the sixth resistor R6 is 33kΩ.

[0025] When both OPEN1 and 2 are at low level, the voltage output by the first integrated circuit U1 is 6.6V, and the lamp current of the ozone generator JP1 is 4 - 5mA; when OPEN1 is at high level and OPEN2 is at low level, the voltage output by the first integrated circuit U1 is 8.4V, and the lamp current of the ozone generator JP1 is 6 - 7mA; when OPEN1 is at low level and OPEN2 is at high level, the voltage output by the first integrated circuit U1 is 11.5V, and the lamp current of the ozone generator JP1 is 8 - 9mA.

[0026] Based on the inspiration of the present utility model, through the above description, relevant staff can completely make various changes and modifications without departing from the technical idea of this utility model. The technical scope of this utility model is not limited to the content in the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. An ozone generator control circuit, characterized in that: It includes a control unit, an adjustment unit and a drive unit. The adjustment unit controls the operation of the ozone generator through the drive unit, and the control unit is electrically connected to the drive unit; The adjustment unit includes a first integrated circuit and a feedback part. The output end of the first integrated circuit is electrically connected to the input end of the drive unit, and the feedback end of the first integrated circuit is electrically connected to the control unit through the feedback part; The feedback part includes a first field-effect transistor and a second field-effect transistor. The source electrode of the first field-effect transistor is electrically connected to the feedback end of the first integrated circuit through a third resistor, and the source electrode of the second field-effect transistor is electrically connected to the feedback end of the first integrated circuit through a sixth resistor. The gate electrodes of the first field-effect transistor and the second field-effect transistor are respectively electrically connected to two signal output ends of the control unit.

2. The ozone generator control circuit according to claim 1, wherein: The power supply end of the first integrated circuit in the adjustment unit is externally connected to a DC voltage power supply, and the power supply end of the first integrated circuit is grounded through a first capacitor and a second capacitor respectively.

3. The ozone generator control circuit according to claim 1, characterized in that: A diode is provided between the output end of the first integrated circuit and the drive unit.

4. The ozone generator control circuit according to claim 1, wherein: A fifth capacitor is provided at the input end of the drive unit, and the fifth capacitor is a tantalum capacitor.

5. The ozone generator control circuit according to claim 1, wherein: A fuse is also provided at the input end of the drive unit.

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