Ultrasonic control circuit and ultrasonic cleaning machine

Abstract

The utility model relates to an ultrasonic control circuit and an ultrasonic cleaner, the circuit comprises a panel input circuit, a control drive circuit, an ultrasonic drive circuit and a plurality of ultrasonic transducers, and the control drive circuit comprises a signal control circuit and a power adjustment circuit; the signal control circuit is electrically connected with the panel input circuit and the ultrasonic driving circuit respectively; the power adjusting circuit is electrically connected with the signal control circuit and the ultrasonic driving circuit respectively; the ultrasonic driving circuit comprises a first ultrasonic driving circuit and at least one second ultrasonic driving circuit; the first ultrasonic drive circuit is electrically connected with the signal control circuit and the power adjusting circuit, and the second ultrasonic drive circuit is electrically connected with the first ultrasonic drive circuit. The ultrasonic transducer is electrically connected with the first ultrasonic driving circuit or the second ultrasonic driving circuit; the ultrasonic control circuit and the ultrasonic cleaning machine can realize stable and adjustable power.

Description

Technical Field

[0001] The present application relates to the technical field of ultrasonic cleaning, and in particular to an ultrasonic control circuit and an ultrasonic cleaning machine. Background Art

[0002] Ultrasonic cleaning utilizes the direct and indirect effects of ultrasound on liquids and dirt through cavitation, acceleration, and direct flow, dispersing, emulsifying, and exfoliating the dirt layer. However, the power of currently available ultrasonic cleaning machines cannot be adjusted and they operate only at a preset cleaning power, making it difficult to achieve the desired cleaning results. Summary of the Invention

[0003] In order to solve the above technical problems, the present application provides an ultrasonic control circuit and an ultrasonic cleaning machine, which can achieve stable and adjustable power.

[0004] The technical solutions provided in this application are as follows:

[0005] In a first aspect, the present application provides an ultrasonic control circuit, the circuit comprising a panel input circuit, a control drive circuit, an ultrasonic drive circuit, and a plurality of ultrasonic transducers, wherein:

[0006] A panel input circuit is used to input required power instructions;

[0007] The control drive circuit includes a signal control circuit and a power adjustment circuit; the signal control circuit is electrically connected to the panel input circuit and the ultrasonic drive circuit respectively, and is used to control the operation of the ultrasonic drive circuit; the power adjustment circuit is electrically connected to the signal control circuit and the ultrasonic drive circuit respectively, and is used to adjust the electric power signal output by the ultrasonic drive circuit;

[0008] The ultrasonic drive circuit includes a first ultrasonic drive circuit and at least one second ultrasonic drive circuit; the first ultrasonic drive circuit is electrically connected to the signal control circuit and the power adjustment circuit respectively, the second ultrasonic drive circuit is electrically connected to the first ultrasonic drive circuit, and the electric power signals output by the second ultrasonic drive circuit and the first ultrasonic drive circuit are consistent;

[0009] The ultrasonic transducer is electrically connected to the first ultrasonic driving circuit or the second ultrasonic driving circuit and is used to convert the electric power signal into an ultrasonic signal.

[0010] Preferably, the power adjustment circuit includes a signal driving circuit, a first power adjustment circuit and a second power adjustment circuit; the signal control circuit is electrically connected to the signal driving circuit, and is used to drive the first power adjustment circuit or the second power adjustment circuit to operate according to the input power instruction; the first power adjustment circuit is electrically connected to the signal driving circuit and the first ultrasonic driving circuit, respectively, and is used to control the output electric power signal to be within a first power range; the second power adjustment circuit is electrically connected to the signal driving circuit and the first ultrasonic driving circuit, respectively, and is used to control the output electric power signal to be within a second power range, and the second power range is different from the first power range.

[0011] Preferably, the circuit also includes a power supply circuit, and the first power adjustment circuit includes a first transistor, a second transistor, a first resistor, a second resistor, a first capacitor, a second capacitor, a third capacitor and a first transformer. The first end of the first resistor is connected to the signal driving circuit, the second end of the first resistor is respectively connected to the first end of the second resistor, the control electrode of the first transistor and the control electrode of the second transistor, the second end of the second resistor and the emitter of the first transistor are grounded, the collector of the first transistor is respectively connected to the emitter of the second transistor and the first end of the first capacitor, the collector of the second transistor is respectively connected to the first end of the second capacitor, the first end of the third capacitor and the output end of the power supply circuit, the second end of the second capacitor and the second end of the third capacitor are grounded, the second end of the first capacitor is connected to the input end of the first transformer, and the output end of the first transformer is electrically connected to the first ultrasonic driving circuit.

[0012] Preferably, the circuit also includes a power supply circuit, the second power adjustment circuit includes a third transistor, a fourth transistor, a third resistor, a fourth resistor, a fourth capacitor and a second transformer, the first end of the third resistor is connected to the signal driving circuit, the second end of the third resistor is respectively connected to the first end of the fourth resistor, the control electrode of the third transistor and the control electrode of the fourth transistor, the second end of the fourth resistor and the emitter of the fourth transistor are grounded, the emitter of the third transistor is respectively connected to the first end of the fourth capacitor and the collector of the fourth transistor, the collector of the third transistor is connected to the output end of the power supply circuit, the second end of the fourth capacitor is connected to the input end of the second transformer, and the output end of the second transformer is electrically connected to the first ultrasonic driving circuit.

[0013] Preferably, the power supply circuit outputs 5V power.

[0014] Preferably, the first input branch of the first ultrasonic driving circuit includes a first relay, the input end of the first relay is electrically connected to the signal control circuit and the AC power supply, and the first power adjustment circuit and the second power adjustment circuit are connected in parallel and electrically connected to the output end of the first relay.

[0015] Preferably, the second input branch of the first ultrasonic driving circuit is connected in series with a second relay.

[0016] Preferably, the panel input circuit includes a temperature switching button for switching the temperature display to a Celsius temperature display mode or a Fahrenheit temperature display mode.

[0017] In a second aspect, the present application also provides an ultrasonic cleaning machine, comprising an ultrasonic control circuit as described in any one of the above items.

[0018] The beneficial effects of this application are as follows:

[0019] Compared with the prior art, the present application can input the required power instructions through the panel input circuit as needed. The signal control circuit is used to control the operation of the ultrasonic drive circuit and the power adjustment circuit. The power adjustment circuit is used to adjust the electric power signal output by the ultrasonic drive circuit, that is, the electric power signal output by the first ultrasonic drive circuit and the second ultrasonic drive circuit, so that the ultrasonic transducer can convert the electric power signal into an ultrasonic signal of the required frequency as needed, thereby realizing stable and adjustable power of the ultrasonic cleaning machine; the ultrasonic drive circuit of the present application includes a first ultrasonic drive circuit and at least one second ultrasonic drive circuit. According to the number of ultrasonic transducers in the ultrasonic cleaning machine, the second ultrasonic drive circuit can be appropriately added. The modular design can help the ultrasonic transducer receive a stable electric power signal, realize stable operation of the ultrasonic cleaning machine, and achieve a good cleaning effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a principle block diagram of the ultrasonic driving circuit according to an embodiment of the present application;

[0021] Figure 2 A circuit diagram of a control drive circuit according to an embodiment of the present application;

[0022] Figure 3 Schematic diagram of a first ultrasonic driving circuit according to an embodiment of the present application;

[0023] Figure 4 Schematic diagram of a second ultrasonic driving circuit according to an embodiment of the present application;

[0024] Figure 5 Schematic diagram of a power supply circuit according to an embodiment of the present application. DETAILED DESCRIPTION

[0025] The present invention is described in detail below with reference to specific embodiments.

[0026] like Figure 1As shown, an embodiment of the present application provides an ultrasonic control circuit, which includes a panel input circuit 100, a control drive circuit 200, an ultrasonic drive circuit 300 and a plurality of ultrasonic transducers 400. Among them: the panel input circuit 100 is used to input the required power instruction; the control drive circuit 200 includes a signal control circuit 201 and a power adjustment circuit 202; the signal control circuit 201 is electrically connected to the panel input circuit 100 and the ultrasonic drive circuit 300 respectively, and is used to control the operation of the ultrasonic drive circuit 300, and the power adjustment circuit 202 is electrically connected to the signal control circuit 201 and the ultrasonic drive circuit 300 respectively, and is used to adjust the electric power signal output by the ultrasonic drive circuit 300 according to the input power instruction; the ultrasonic drive circuit 300 includes a first ultrasonic drive circuit 301 and at least one second ultrasonic drive circuit 302, the first ultrasonic drive circuit 301 is electrically connected to the signal control circuit 201 and the power adjustment circuit 202 respectively, the first ultrasonic drive circuit 301 is electrically connected to the second ultrasonic drive circuit 302, and the electric power signals output by the first ultrasonic drive circuit 301 and the second ultrasonic drive circuit 302 are consistent; the ultrasonic transducer 400 is electrically connected to the first ultrasonic drive circuit 301 or the second ultrasonic drive circuit 302, and is used to convert the electric power signal into an ultrasonic signal.

[0027] It should be noted that, in the present application, the required power instructions can be input through the panel input circuit 100 as needed, the signal control circuit 201 is used to control the operation of the ultrasonic drive circuit 300 and the power adjustment circuit 202, and the power adjustment circuit 202 is used to adjust the electric power signal output by the ultrasonic drive circuit 300, that is, the electric power signal output by the first ultrasonic drive circuit 301 and the second ultrasonic drive circuit 302, so that the ultrasonic transducer 400 can convert the electric power signal into an ultrasonic signal of the required frequency as needed, thereby realizing stable and adjustable power of the ultrasonic cleaning machine; the ultrasonic drive circuit 300 of the present application includes a first ultrasonic drive circuit 301 and at least one second ultrasonic drive circuit 302. According to the number of ultrasonic transducers 400 in the ultrasonic cleaning machine, the second ultrasonic drive circuit 302 can be appropriately increased. The modular design can facilitate the ultrasonic transducer 400 to receive a stable electric power signal, thereby realizing stable operation of the ultrasonic cleaning machine and achieving a good cleaning effect.

[0028] Figure 2~Figure 3 What is shown is a specific implementation scheme of the ultrasonic control circuit of an embodiment of the present application.

[0029] Figure 2As shown, the power adjustment circuit 202 includes a signal driving circuit 205, a first power adjustment circuit 203 and a second power adjustment circuit 204. The signal control circuit 201 is electrically connected to the signal driving circuit 205 and is used to drive the first power adjustment circuit 203 or the second power adjustment circuit 204 to work according to the input power instruction. The first power adjustment circuit 203 is electrically connected to the signal driving circuit 205 and the first ultrasonic driving circuit 301 respectively, and is used to control the output electric power signal to be within a first power range; the second power adjustment circuit 204 is electrically connected to the signal driving circuit 205 and the first ultrasonic driving circuit 301 respectively, and is used to control the output electric power signal to be within a second power range. The first power range and the second power range are different. The embodiment of the present application sets the first power adjustment circuit 203 and the second power adjustment circuit 204 with different power ranges, which can make the ultrasonic cleaning machine have a larger selectable power range, combined with Figure 3 The output terminals TV1_G and TV1_S of the first power adjustment circuit 203 and the output terminals TV2_G and TV2_S of the second power adjustment circuit 204 are coupled to the first input branch. The frequency of the electric power input to the ultrasonic transducer 400 is adjusted by adjusting the input electric power signal. The first power adjustment circuit 203 works to adjust the output to the first power range, and the second power adjustment circuit 204 works to adjust the output to the second power range. For example, the first power adjustment circuit 203 can adjust the frequency range to 2Hz~250Hz, and the second power adjustment circuit 204 can adjust the frequency range to 245Hz~20kHz to meet different power requirements and achieve good cleaning effects.

[0030] Specifically, combined Figure 5 The circuit also includes a power supply circuit 500, which outputs 5V power. The input end of the power supply circuit is connected to the mains power supply, and after passing through the transformer circuit and the bridge circuit, the output end outputs 5V power. Figure 2As shown, the first power adjustment circuit 203 includes a first transistor Q1, a second transistor Q2, a first resistor R1, a second resistor R2, a first capacitor C1, a second capacitor C2, a third capacitor C3 and a first transformer T1. The first end of the first resistor R1 is connected to the signal driving circuit 205, the second end of the first resistor R1 is respectively connected to the first end of the second resistor R2, the control electrode of the first transistor Q1 and the control electrode of the second transistor Q2, the second end of the second resistor R2 and the emitter of the first transistor Q1 are grounded, the collector of the first transistor Q1 is respectively connected to the emitter of the second transistor Q2 and the first end of the first capacitor C1, the collector of the second transistor Q2 is respectively connected to the first end of the second capacitor C2, the first end of the third capacitor C3 and the output end of the power supply circuit 500, the second end of the second capacitor C2 and the second end of the third capacitor C3 are grounded, the second end of the first capacitor C1 is connected to the input end of the first transformer T1, and the output end of the first transformer T1 is electrically connected to the first ultrasonic driving circuit 301. The second power adjustment circuit 204 includes a third transistor Q3, a fourth transistor Q4, a third resistor R3, a fourth resistor R4, a fourth capacitor C4, and a second transformer T2. The first end of the third resistor R3 is connected to the signal driving circuit 205. The second end of the third resistor R3 is connected to the first end of the fourth resistor R4, the control electrode of the third transistor Q3, and the control electrode of the fourth transistor Q4, respectively. The second end of the fourth resistor R4 and the emitter of the fourth transistor Q4 are grounded. The emitter of the third transistor Q3 is connected to the first end of the fourth capacitor C4 and the collector of the fourth transistor Q4, respectively. The collector of the third transistor Q3 is connected to the output end of the power supply circuit 500. The second end of the fourth capacitor C4 is connected to the input end of the second transformer T2. The output end of the second transformer T2 is electrically connected to the first ultrasonic driving circuit 301. The signal control circuit 201, the signal driving circuit 205, the first power adjustment circuit 203, and the second power adjustment circuit 204 ensure stable transmission, thereby ensuring stable operation of the ultrasonic cleaning machine.

[0031] like Figure 3 and Figure 4 The first input branch of the first ultrasonic driving circuit 301 includes a first relay K1, the first relay K1 is electrically connected to the signal control circuit 201, and the input end of the first relay K1 is electrically connected to the mains power supply. Figure 2 and Figure 5, SONIC_Q in the signal control circuit 201 and the 5V output end of the power supply circuit 500 are connected to the first relay K1 to provide a control signal. The first power adjustment circuit 203 and the second power adjustment circuit 204 are connected in parallel and electrically connected to the output end of the first relay. The output ends TV1_G and TV1_S of the first power adjustment circuit 203 and the output ends TV2_G and TV2_S of the second power adjustment circuit 204 are coupled to the first input branch. The input end of the second ultrasonic drive circuit 302 can be coupled to the output end of the first relay K1. After the AC power supply passes through the protection circuit, power adjustment circuit 202, bridge circuit, and amplifier circuit of the ultrasonic drive circuit 300, it is connected to the ultrasonic transducer 400 to provide a stable electric power signal to achieve stable operation of the ultrasonic cleaning machine. In an optional embodiment, the specific circuit of the second ultrasonic drive circuit 302 can be found in Figure 4 .like Figure 3 As shown, the second input branch of the first ultrasonic driving circuit 301 is connected in series with the second relay K2, which can form a path with other modules, such as coupling with the heating module, to prevent overheating and overload, thereby facilitating stable operation of the ultrasonic cleaning machine.

[0032] In an optional embodiment, the panel input circuit 100 includes a temperature switch button for switching the temperature display between Celsius and Fahrenheit. When an operator inputs a Celsius / Fahrenheit switching signal via the temperature switch button, the signal control circuit 201 outputs a corresponding display signal to the display module based on the input signal, thereby implementing Celsius / Fahrenheit switching and facilitating user convenience.

[0033] An embodiment of the present application further provides an ultrasonic cleaning machine, comprising an ultrasonic control circuit as described above, wherein the circuit comprises a panel input circuit 100 , a control drive circuit 200 , an ultrasonic drive circuit 300 and a plurality of ultrasonic transducers 400 . Among them: the panel input circuit 100 is used to input the required power instruction; the control drive circuit 200 includes a signal control circuit 201 and a power adjustment circuit 202, the signal control circuit 201 is electrically connected to the panel input circuit 100 and the ultrasonic drive circuit 300 respectively, and is used to control the operation of the ultrasonic drive circuit 300, and the power adjustment circuit 202 is electrically connected to the signal control circuit 201 and the ultrasonic drive circuit 300 respectively, and is used to adjust the electric power signal output by the ultrasonic drive circuit 300 according to the input power instruction; the ultrasonic drive circuit 300 includes a first ultrasonic drive circuit 301 and at least one second ultrasonic drive circuit 302, the first ultrasonic drive circuit 301 is electrically connected to the signal control circuit 201 and the power adjustment circuit 202 respectively, the first ultrasonic drive circuit 301 is electrically connected to the second ultrasonic drive circuit 302, and the electric power signals output by the first ultrasonic drive circuit 301 and the second ultrasonic drive circuit 302 are consistent; the ultrasonic transducer 400 is electrically connected to the first ultrasonic drive circuit 301 or the second ultrasonic drive circuit 302, and is used to convert the electric power signal into an ultrasonic signal.

[0034] The ultrasonic cleaning machine in the embodiment of the present application has the same structure as the ultrasonic control circuit provided in any of the above-mentioned application embodiments, and can bring the same or similar technical effects. They will not be described one by one here, and the details can be referred to the description of the above-mentioned embodiments.

[0035] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the scope of protection of the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the essence and scope of the technical solutions of the present invention.

Claims

1. An ultrasonic control circuit, characterized in that: The circuit includes a panel input circuit, a control drive circuit, an ultrasonic drive circuit and a plurality of ultrasonic transducers, wherein: A panel input circuit is used to input required power instructions; The control drive circuit includes a signal control circuit and a power adjustment circuit; the signal control circuit is electrically connected to the panel input circuit and the ultrasonic drive circuit respectively, and is used to control the operation of the ultrasonic drive circuit; the power adjustment circuit is electrically connected to the signal control circuit and the ultrasonic drive circuit respectively, and is used to adjust the electric power signal output by the ultrasonic drive circuit; The ultrasonic drive circuit includes a first ultrasonic drive circuit and at least one second ultrasonic drive circuit; the first ultrasonic drive circuit is electrically connected to the signal control circuit and the power adjustment circuit respectively, the second ultrasonic drive circuit is electrically connected to the first ultrasonic drive circuit, and the electric power signals output by the second ultrasonic drive circuit and the first ultrasonic drive circuit are consistent; The ultrasonic transducer is electrically connected to the first ultrasonic driving circuit or the second ultrasonic driving circuit and is used to convert the electric power signal into an ultrasonic signal.

2. The ultrasonic control circuit according to claim 1, characterized in that: The power adjustment circuit includes a signal driving circuit, a first power adjustment circuit and a second power adjustment circuit; the signal control circuit is electrically connected to the signal driving circuit, and is used to drive the first power adjustment circuit or the second power adjustment circuit to work according to the input power instruction; the first power adjustment circuit is electrically connected to the signal driving circuit and the first ultrasonic driving circuit, respectively, and is used to control the output electric power signal to be within a first power range; the second power adjustment circuit is electrically connected to the signal driving circuit and the first ultrasonic driving circuit, respectively, and is used to control the output electric power signal to be within a second power range, and the second power range is different from the first power range.

3. The ultrasonic control circuit according to claim 2, characterized in that: The circuit also includes a power supply circuit. The first power adjustment circuit includes a first transistor, a second transistor, a first resistor, a second resistor, a first capacitor, a second capacitor, a third capacitor and a first transformer. The first end of the first resistor is connected to the signal driving circuit, the second end of the first resistor is respectively connected to the first end of the second resistor, the control electrode of the first transistor and the control electrode of the second transistor, the second end of the second resistor and the emitter of the first transistor are grounded, the collector of the first transistor is respectively connected to the emitter of the second transistor and the first end of the first capacitor, the collector of the second transistor is respectively connected to the first end of the second capacitor, the first end of the third capacitor and the output end of the power supply circuit, the second end of the second capacitor and the second end of the third capacitor are grounded, the second end of the first capacitor is connected to the input end of the first transformer, and the output end of the first transformer is electrically connected to the first ultrasonic driving circuit.

4. The ultrasonic control circuit according to claim 2, characterized in that: The circuit also includes a power supply circuit, and the second power adjustment circuit includes a third transistor, a fourth transistor, a third resistor, a fourth resistor, a fourth capacitor and a second transformer. The first end of the third resistor is connected to the signal driving circuit, the second end of the third resistor is respectively connected to the first end of the fourth resistor, the control electrode of the third transistor and the control electrode of the fourth transistor, the second end of the fourth resistor and the emitter of the fourth transistor are grounded, the emitter of the third transistor is respectively connected to the first end of the fourth capacitor and the collector of the fourth transistor, the collector of the third transistor is connected to the output end of the power supply circuit, the second end of the fourth capacitor is connected to the input end of the second transformer, and the output end of the second transformer is electrically connected to the first ultrasonic driving circuit.

5. The ultrasonic control circuit according to claim 3 or 4, characterized in that: The power supply circuit outputs 5V power.

6. The ultrasonic control circuit according to claim 2, characterized in that: The first input branch of the first ultrasonic driving circuit includes a first relay, the input end of the first relay is electrically connected to the signal control circuit and the AC power supply, and the first power adjustment circuit and the second power adjustment circuit are connected in parallel and electrically connected to the output end of the first relay.

7. The ultrasonic control circuit according to claim 2, characterized in that: The second input branch of the first ultrasonic driving circuit is connected in series with a second relay.

8. The ultrasonic control circuit according to claim 1, characterized in that: The panel input circuit includes a temperature switching button, which is used to switch the temperature display to a Celsius temperature display mode or a Fahrenheit temperature display mode.

9. An ultrasonic cleaning machine, characterized in that: The ultrasonic control circuit comprises the ultrasonic control circuit according to any one of claims 1 to 8.

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