A multi-functional application circuit for an ion generator

Abstract

This utility model discloses a multi-functional application circuit for an ion generator, including a DC input on the primary side of a transformer, a DC input overcurrent protection circuit connected to the DC input, a DC input reverse connection protection circuit connected to the DC input overcurrent protection circuit, and a boost drive circuit; and a high-voltage AC output branch and a voltage doubler rectifier output branch on the secondary side of the transformer. By adopting the above structure, HV AC high-voltage AC output, HV DC-4KV negative high-voltage output, and HV DC-8KV negative high-voltage output can be achieved through the high-voltage AC output branch and voltage doubler rectifier output branch on the secondary side of the transformer, thereby realizing load output for odor purifier load, negative ion load, and dust removal load.

Description

Technical Field

[0001] This utility model relates to a multi-functional application circuit for an ion generator, and more particularly to a multi-functional application circuit for an ion generator that is compatible with multiple load outputs simultaneously. Background Technology

[0002] An ion generator is a device that uses a high-voltage transformer to boost the power frequency voltage to the required voltage to generate negative ions, which are then released into the surrounding air to purify the air and improve people's living environment. This device that artificially generates negative air ions is called an air negative ion generator or negative ion generator, or simply an ion generator.

[0003] The current multi-functional application circuit of ion generators is a one-drive-one-load circuit. When implementing multi-path loads, this circuit form requires multiple separate circuits to achieve the operation of various loads due to different load requirements (such as voltage). How to combine multiple load branches to achieve multi-functional application is the problem that this utility model urgently needs to solve. Utility Model Content

[0004] The technical problem to be solved by this utility model is to provide a multifunctional application circuit for an ion generator that is compatible with multiple load outputs at the same time.

[0005] To solve the above-mentioned technical problems, the technical solution of this utility model is as follows: a multi-functional application circuit for an ion generator, the innovation of which is that the multi-functional application circuit for an ion generator includes a DC input set on the primary side of a transformer, a DC input overcurrent protection circuit connected to the DC input, a DC input reverse connection protection circuit connected to the DC input overcurrent protection circuit, a boost drive circuit connected to the DC input reverse connection protection circuit, and a high-voltage AC output branch and a voltage multiplier rectifier output branch set on the secondary side of the transformer.

[0006] Preferably, the DC input is a 12V DC input; the DC input overcurrent protection circuit is a self-resetting fuse PTC1 disposed between the DC input and the DC input reverse connection protection circuit.

[0007] Preferably, the DC input reverse connection protection circuit is a diode D1 disposed between the DC input overcurrent protection circuit and the boost drive circuit.

[0008] Preferably, the boost drive circuit includes an inductor L1 disposed between the DC input reverse connection protection circuit D1 and the transformer, a resistor R1 and a resistor R2 connected in series with the inductor L1, a transistor Q1 connected in series with the resistor R1, a transistor Q2 connected in series with the resistor R2, an electrolytic capacitor EC1 and a capacitor C4 connected in series with the inductor L1 and connected in parallel with each other, and the electrolytic capacitor EC1 and capacitor C4 connected in parallel are grounded; The primary side of the transformer is provided with a parallel winding and a primary auxiliary winding. The parallel winding includes a primary side first main winding and a primary side second main winding. The primary auxiliary winding is provided with pin 1 and pin 2. The primary side first main winding and primary side second main winding are provided with pin 3, a common pin 4, and pin 5. The common pin 4 is connected to the DC input reverse connection protection circuit through inductor L1. Pin 3 is connected to the ground terminal through transistor Q2. Pin 5 is connected to the ground terminal through transistor Q1. Pin 1 and pin 2 are connected to the inductor L1 through resistors R1 and R2, respectively.

[0009] Preferably, the collector of transistor Q1 is connected to pin 5, the base of transistor Q1 is connected to resistor R1, the emitter of transistor Q1 is connected to ground and the emitter of transistor Q2, the base of transistor Q2 is connected to resistor R2, and the collector of transistor Q2 is connected to pin 3.

[0010] Preferably, capacitors C1 and C2 are connected in parallel between the collector of transistor Q1 and the collector of transistor Q2.

[0011] Preferably, the transformer secondary side is provided with pins 6 and 10 connected to the transformer secondary winding. The high-voltage AC output branch and the voltage multiplier rectifier output branch are both located between pins 6 and 10. The high-voltage AC output branch is formed between pins 6 and 10, and the odor purifier load is installed on it.

[0012] Preferably, the voltage doubler rectifier output branch includes at least two branches, including a DC-8KV negative high voltage output branch and a DC-4KV negative high voltage branch; The DC-8KV negative high voltage output branch includes a diode D2, a resistor R3 and a resistor R4 connected in series on pin 10. Pin 6 is grounded through a capacitor C5, a resistor R8 and a resistor R7 connected in series. A capacitor C3 is provided at the connection point of diode D2 and resistor R3 and between pin 6. After outputting DC-8KV negative high voltage through resistor R4, it is connected to the dust removal load. The DC-4KV negative high voltage output branch includes resistors R5 and R6, which are connected in series on pin 6. After outputting DC-4KV negative high voltage through resistor R6, it is connected to the negative ion load. The HV GND high voltage ground is led out from the pin 6, and connected in series with capacitor C5, resistor R9 and resistor R10. Resistor R9 is connected to resistor R8. A diode D3 is provided between the connection point of resistor R9 and resistor R8 and between pin 10.

[0013] The advantages of this utility model are as follows: by adopting the above structure, the high-voltage AC output branch and the voltage multiplier rectifier output branch set on the secondary side of the transformer can realize HV AC high-voltage AC output, HV DC-4KV negative high-voltage output, HV DC-8KV negative high-voltage output, and HV GND high-voltage grounding, thereby realizing the load output of the odor purifier load, negative ion load and dust removal load. Attached Figure Description

[0014] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0015] Figure 1 This is a schematic diagram of the principle of a multi-functional application circuit for an ion generator according to this utility model.

[0016] Figure 2 This is a circuit diagram of a multifunctional application circuit for an ion generator according to this utility model.

[0017] In the diagram: 1-DC input, 2-DC input overcurrent protection circuit, 3-DC input reverse connection protection circuit, 4-high voltage AC output branch, 5-boost drive circuit, 6-odor purifier load, 7-DC-4KV negative high voltage output branch, 8-DC-8KV negative high voltage output branch, 9-HV GND high voltage ground. Detailed Implementation

[0018] The multi-functional application circuit of this ion generator includes a DC input 1 located on the primary side of the transformer, a DC input overcurrent protection circuit 2 connected to the DC input 1, a DC input reverse connection protection circuit 3 connected to the DC input overcurrent protection circuit 2, a boost drive circuit 5 connected to the DC input reverse connection protection circuit 3, and a high-voltage AC output branch 4 and a voltage doubler rectifier output branch located on the secondary side of the transformer. By adopting the above structure, the high-voltage AC output branch 4 and the voltage doubler rectifier output branch located on the secondary side of the transformer achieve HV AC high-voltage AC output, HV DC-4KV negative high-voltage output, HV DC-8KV negative high-voltage output, and HV GND high-voltage grounding, thereby realizing the load output of the odor purifier load 6, the negative ion load, and the dust removal load.

[0019] The aforementioned DC input is a 12V DC input. The DC input overcurrent protection circuit 2 includes a self-resetting fuse PTC1 connected in series with the high potential of DC input 1. The DC input reverse connection protection circuit 3 is a diode D1 located between the DC input overcurrent protection circuit and the boost drive circuit.

[0020] The boost drive circuit 5 includes an inductor L1 located between the DC input reverse connection protection circuit D1 and the transformer, resistors R1 and R2 connected in series with the inductor L1, a transistor Q1 connected in series with the resistor R1, a transistor Q2 connected in series with the resistor R2, an electrolytic capacitor EC1 connected in series with the inductor L1 and a capacitor C4 connected in parallel with each other, and the electrolytic capacitors EC1 and C4 connected in parallel are grounded.

[0021] The primary side of the transformer has a parallel winding and a primary auxiliary winding. The parallel winding includes a first primary winding and a second primary main winding. The primary auxiliary winding has pins 1 and 2. The first and second primary main windings have pin 3, a common pin 4, and a common pin 5. The common pin 4 is connected to the DC input reverse connection protection circuit through inductor L1. Pin 3 is connected to the ground terminal through transistor Q2, and pin 5 is connected to the ground terminal through transistor Q1. Pins 1 and 2 are connected to inductor L1 through resistors R1 and R2, respectively.

[0022] The collector of transistor Q1 is connected to pin 5, the base of transistor Q1 is connected to resistor R1, the emitter of transistor Q1 is connected to ground and the emitter of transistor Q2, the base of transistor Q2 is connected to resistor R2, and the collector of transistor Q2 is connected to pin 3. Capacitors C1 and C2 are connected in parallel between the collectors of transistors Q1 and Q2.

[0023] The transformer of this invention has pins 6 and 10 connected to the secondary winding of the transformer on the secondary side. The high-voltage AC output branch 4 and the voltage multiplier rectifier output branch are both located between pins 6 and 10. The high-voltage AC output branch 4 is formed between pins 6 and 10, and the deodorizer load 6 is installed on it.

[0024] The voltage doubler rectifier output branch includes at least two branches: a DC-8KV negative high-voltage output branch 8 and a DC-4KV negative high-voltage output branch 7. The DC-8KV negative high-voltage output branch 8 includes a diode D2, resistor R3, and resistor R4 connected in series on pin 10. Pin 6 is grounded via a capacitor C5, resistor R8, and resistor R7 connected in series. A capacitor C3 is located between the connection of diode D2 and resistor R3 and between pin 6. The DC-8KV negative high-voltage output is connected to the dust removal load after passing through resistor R4. The DC-4KV negative high-voltage output branch 7 includes resistors R5 and R6 connected in series on pin 6. The DC-4KV negative high-voltage output is connected to the negative ion load after passing through resistor R6. The HV GND high-voltage ground 9 is led out from pin 6 via a capacitor C5, resistor R9, and resistor R10 connected in series. Resistor R9 is connected to resistor R8. A diode D3 is located between the connection of resistor R9 and resistor R8 and between pin 10.

[0025] The above embodiments are merely exemplary embodiments of this utility model and are not intended to limit this utility model. The scope of protection of this utility model is defined by the claims. Those skilled in the art can make various modifications or equivalent substitutions to this utility model within its substance and scope of protection, and such modifications or equivalent substitutions should also be considered as falling within the scope of protection of this utility model.

Claims

1. A multi-functional application circuit for an ion generator, characterized in that: The multi-functional application circuit of the ion generator includes a DC input on the primary side of the transformer, a DC input overcurrent protection circuit connected to the DC input, a DC input reverse connection protection circuit connected to the DC input overcurrent protection circuit, a boost drive circuit connected to the DC input reverse connection protection circuit, and a high-voltage AC output branch and a voltage multiplier rectifier output branch on the secondary side of the transformer.

2. The multi-functional application circuit for an ion generator as described in claim 1, characterized in that: The DC input is a 12V DC input; the DC input overcurrent protection circuit is a self-resetting fuse PTC1 located between the DC input and the DC input reverse connection protection circuit.

3. The multi-functional application circuit for an ion generator as described in claim 1, characterized in that: The DC input reverse connection protection circuit is a diode D1 located between the DC input overcurrent protection circuit and the boost drive circuit.

4. The multi-functional application circuit for an ion generator as described in claim 1, characterized in that: The boost drive circuit includes an inductor L1 disposed between the DC input reverse connection protection circuit D1 and the transformer, resistors R1 and R2 connected in series with the inductor L1, a transistor Q1 connected in series with the resistor R1, a transistor Q2 connected in series with the resistor R2, an electrolytic capacitor EC1 and a capacitor C4 connected in series with the inductor L1 and in parallel with each other, and the electrolytic capacitors EC1 and C4 are grounded. The primary side of the transformer is provided with a parallel winding and a primary auxiliary winding. The parallel winding includes a primary side first main winding and a primary side second main winding. The primary auxiliary winding is provided with pin 1 and pin 2. The primary side first main winding and primary side second main winding are provided with pin 3, a common pin 4, and pin 5. The common pin 4 is connected to the DC input reverse connection protection circuit through inductor L1. Pin 3 is connected to the ground terminal through transistor Q2. Pin 5 is connected to the ground terminal through transistor Q1. Pin 1 and pin 2 are connected to the inductor L1 through resistors R1 and R2, respectively.

5. The multi-functional application circuit for an ion generator as described in claim 4, characterized in that: The collector of transistor Q1 is connected to pin 5, the base of transistor Q1 is connected to resistor R1, the emitter of transistor Q1 is connected to ground and the emitter of transistor Q2, the base of transistor Q2 is connected to resistor R2, and the collector of transistor Q2 is connected to pin 3.

6. The multifunctional application circuit for an ion generator as described in claim 5, characterized in that: A capacitor C1 and a capacitor C2 are connected in parallel between the collector of transistor Q1 and the collector of transistor Q2.

7. The multi-functional application circuit for an ion generator as described in claim 1, characterized in that: The transformer has pins 6 and 10 connected to the transformer's secondary winding on its secondary side. The high-voltage AC output branch and the voltage multiplier rectifier output branch are both located between pins 6 and 10. The high-voltage AC output branch is formed between pins 6 and 10, and a deodorizer load is installed on it.

8. The multi-functional application circuit for an ion generator as described in claim 7, characterized in that: The voltage doubler rectifier output branch includes at least two branches, including a DC-8KV negative high voltage output branch and a DC-4KV negative high voltage branch; The DC-8KV negative high voltage output branch includes a diode D2, a resistor R3 and a resistor R4 connected in series on pin 10. Pin 6 is grounded through a capacitor C5, a resistor R8 and a resistor R7 connected in series. A capacitor C3 is provided at the connection point of diode D2 and resistor R3 and between pin 6. After outputting DC-8KV negative high voltage through resistor R4, it is connected to the dust removal load. The DC-4KV negative high voltage output branch includes resistors R5 and R6, which are connected in series on pin 6. After outputting DC-4KV negative high voltage through resistor R6, it is connected to the negative ion load. The HV GND high voltage ground is led out from the pin 6, and connected in series with capacitor C5, resistor R9 and resistor R10. Resistor R9 is connected to resistor R8. A diode D3 is provided between the connection point of resistor R9 and resistor R8 and between pin 10.

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