CN203233337U - Ultrasonic cleaner power source - Google Patents
Ultrasonic cleaner power source Download PDFInfo
- Publication number
- CN203233337U CN203233337U CN 201320122632 CN201320122632U CN203233337U CN 203233337 U CN203233337 U CN 203233337U CN 201320122632 CN201320122632 CN 201320122632 CN 201320122632 U CN201320122632 U CN 201320122632U CN 203233337 U CN203233337 U CN 203233337U
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- impedance matching
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Abstract
The utility model discloses an ultrasonic cleaner power source. The ultrasonic cleaner power source comprises a high speed CPU processing unit, a signal generation circuit, a signal driving circuit, a power amplification circuit, an impedance matching circuit, a high frequency current voltage sampling circuit, a phase detection circuit, a protection circuit, a man-machine interaction interface and a PC communication module, wherein the signal generation circuit, the high frequency current voltage sampling circuit, the protection circuit, the phase detection circuit, the man-machine interaction interface and the PC communication module are respectively connected with the high speed CPU processing unit, the signal generation circuit, the signal driving circuit, the power amplification circuit and the impedance matching circuit are in primary connection, the impedance matching circuit is further connected with the high frequency current voltage sampling circuit and the phase detection circuit, and the protection circuit is respectively connected with the signal generation circuit and the signal driving circuit. The ultrasonic cleaner power source enables an energy transducer to work at an optimum frequency point, electro-acoustic conversion efficiency of the energy transducer is high, and the energy transducer generates no heat even after long time work.
Description
Technical field
The utility model relates to supersonic wave cleaning machine, specifically the supersonic wave cleaning machine power supply.
Background technology
Ultrasonic wave cleans power supply and divides self-excitation mode power supply and separate excitation mode power supply by design.
Self-excited circuit does not have signal source, is to be vibration, power amplifier, output transformer and transducer collection one, forms a closed loop, and amplitude, phase feedback condition are being satisfied in the loop, form the oscillator that power amplification is arranged.And resonance is on the mechanical resonance frequency of transducer.
The circuit of separate excitation mode is made up of two parts, both signal source part and signal amplifying part branch.
It is signal generation and the control section of core that signal source partly adopts CPU, produces square-wave signal and supplies with signal amplification circuit;
The signal amplifying part branch is to export to ultrasonic transducer after the signal that signal source produces is amplified.The ultrasonic power of different circuit, not being both of its output circuit, voltage causes propagation efficiency major reason just.
Existing market main flow ultrasonic power is only sampled to power current, can't accurately control ultrasonic power output; Supersonic frequency adopts fixed frequency output or the work of given certain frequency frequency bandwidth frequency sweep, and this kind form supply frequency can be along with transducer parameters changes and changes.
The main flow supersonic generator does not all have communication function, can't be applied in the integrated system as parts.
The utility model content
Utility model purpose: in order to overcome the deficiencies in the prior art, the utility model provides a kind of frequency self-adaption function that has, along with ultrasonic transducer self change of resonance frequency is adjusted frequency automatically, guarantee that transducer is operated in the supersonic wave cleaning machine power supply of optimum Working.
For solving the problems of the technologies described above, the technical solution of the utility model is a kind of supersonic wave cleaning machine power supply, comprise the high-speed CPU processing unit, signal generating circuit, signal drive circuit, power amplification circuit, impedance matching circuit, high-frequency current voltage sampling circuit, phase detecting circuit, protective circuit, human-computer interaction interface and PC communication module; Signal generating circuit, high-frequency current voltage sampling circuit, protective circuit, phase detecting circuit, human-computer interaction interface and PC communication module all join with the high-speed CPU processing unit, signal generating circuit, signal drive circuit, power amplification circuit and impedance matching circuit once join, and impedance matching circuit also joins with high-frequency current voltage sampling circuit and phase detecting circuit; Protective circuit is joined with signal generating circuit and signal drive circuit respectively.
Also comprise power protecting circuit, described power protecting circuit joins with high-speed CPU processing unit and power amplification circuit respectively.
Also comprise transducer, described transducer and impedance matching circuit join.
High-speed CPU processing unit control signal generation circuit produces frequency signal, and frequency signal is input in the power amplification circuit after being input to signal drive circuit, passes through then in the impedance matching network, finally produces high frequency, high-voltage signal is carried on the transducer.High speed electric current, voltage sampling circuit and phase detecting circuit are input to the high-speed CPU processing unit after treatment from the sampling of transducer input in addition; Power protecting circuit is input to the high-speed CPU processing unit, by protective circuit control signal switch and high pressure break-make from the sampling of power amplification circuit final stage.
Beneficial effect: the utility model is by sampling to electric current, voltage, obtain the actual input power of transducer, and feed back to the high-speed CPU processing unit processes, compare with default power, adjust the output signal of generator, thereby reach the purpose of permanent power output, power stability〉99%, make transducer be operated in the optimum frequency point, transducer electro-acoustic conversion efficiency height, and transducer works long hours and can not generate heat.
Description of drawings
Fig. 1 is the utility model structured flowchart.
Embodiment
Below in conjunction with accompanying drawing the utility model is done further explanation.
As shown in Figure 1, a kind of supersonic wave cleaning machine power supply, comprise the high-speed CPU processing unit, signal generating circuit, signal drive circuit, power amplification circuit, impedance matching circuit, high-frequency current voltage sampling circuit, phase detecting circuit, protective circuit, human-computer interaction interface, PC communication module, power protecting circuit and transducer; Signal generating circuit, high-frequency current voltage sampling circuit, protective circuit, phase detecting circuit, human-computer interaction interface and PC communication module all join with the high-speed CPU processing unit, signal generating circuit, signal drive circuit, power amplification circuit and impedance matching circuit once join, and impedance matching circuit also joins with high-frequency current voltage sampling circuit and phase detecting circuit; Protective circuit is joined with signal generating circuit and signal drive circuit respectively; Power protecting circuit joins with high-speed CPU processing unit and power amplification circuit respectively, and transducer and impedance matching circuit join.
High-speed CPU processing unit control signal generation circuit produces frequency signal, and frequency signal is input in the power amplification circuit after being input to signal drive circuit, passes through then in the impedance matching network, finally produces high frequency, high-voltage signal is carried on the transducer.High speed electric current, voltage sampling circuit and phase detecting circuit are input to the high-speed CPU processing unit after treatment from the sampling of transducer input in addition; Power protecting circuit is input to the high-speed CPU processing unit, by protective circuit control signal switch and high pressure break-make from the sampling of power amplification circuit final stage.
By the detection to transducer input phase place, the high-speed CPU processing unit judges whether transducer is operated in resonance frequency, and judges whether frequency signal is revised;
By electric current, the voltage detecting to the transducer input; The CPU processing unit is realized the transducer firm power by the control to signal generating circuit.
The signal generating circuit core is digital frequency synthesizer (AD9832), (AD9832 is the Direct Digital Frequency Synthesizers that AD company produces, it has the superfast frequency inverted time, high frequency resolution and lower phase noise, when frequency shift and frequency modulation, the DDS device can keep the continuous of phase place, therefore be easy to realize frequency, phase place and amplitude modulation(PAM)), high-speed CPU processing unit control DDS produces a frequency preset signal, is entered in the signal drive circuit through behind the frequency division.
The utility model is by sampling to the current waveform of transducer input, from motion tracking ultrasonic transducer resonance frequency, and by the transducer input is carried out high speed electric current, voltage sample, the output of realization firm power, by communication module, realization host computer (touch-screen or PC) is controlled parameter and is shown.
The above only is preferred implementation of the present utility model; be noted that for those skilled in the art; under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (3)
1. supersonic wave cleaning machine power supply, it is characterized in that: comprise the high-speed CPU processing unit, signal generating circuit, signal drive circuit, power amplification circuit, impedance matching circuit, high-frequency current voltage sampling circuit, phase detecting circuit, protective circuit, human-computer interaction interface and PC communication module; Signal generating circuit, high-frequency current voltage sampling circuit, protective circuit, phase detecting circuit, human-computer interaction interface and PC communication module all join with the high-speed CPU processing unit, signal generating circuit, signal drive circuit, power amplification circuit and impedance matching circuit once join, and impedance matching circuit also joins with high-frequency current voltage sampling circuit and phase detecting circuit; Protective circuit is joined with signal generating circuit and signal drive circuit respectively.
2. according to the described a kind of supersonic wave cleaning machine power supply of claim 1, it is characterized in that: also comprise power protecting circuit, described power protecting circuit joins with high-speed CPU processing unit and power amplification circuit respectively.
3. according to the described a kind of supersonic wave cleaning machine power supply of claim 1, it is characterized in that: also comprise transducer, described transducer and impedance matching circuit join.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320122632 CN203233337U (en) | 2013-03-18 | 2013-03-18 | Ultrasonic cleaner power source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320122632 CN203233337U (en) | 2013-03-18 | 2013-03-18 | Ultrasonic cleaner power source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203233337U true CN203233337U (en) | 2013-10-09 |
Family
ID=49289440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320122632 Expired - Fee Related CN203233337U (en) | 2013-03-18 | 2013-03-18 | Ultrasonic cleaner power source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203233337U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103151949A (en) * | 2013-03-18 | 2013-06-12 | 无锡南方声学工程有限公司 | Power supply of ultrasonic cleaning machine |
-
2013
- 2013-03-18 CN CN 201320122632 patent/CN203233337U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103151949A (en) * | 2013-03-18 | 2013-06-12 | 无锡南方声学工程有限公司 | Power supply of ultrasonic cleaning machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131009 Termination date: 20140318 |