CN201579230U - Minitype ultrasonic cleaning device of underwater optical measurement analysis meter - Google Patents
Minitype ultrasonic cleaning device of underwater optical measurement analysis meter Download PDFInfo
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- CN201579230U CN201579230U CN2009202541355U CN200920254135U CN201579230U CN 201579230 U CN201579230 U CN 201579230U CN 2009202541355 U CN2009202541355 U CN 2009202541355U CN 200920254135 U CN200920254135 U CN 200920254135U CN 201579230 U CN201579230 U CN 201579230U
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Abstract
The utility model discloses a minitype ultrasonic cleaning device of underwater optical measurement analysis meter which consists of an ultrasonic generator and an ultrasonic energy converter; a standard AC sinusoidal wave signal outputted by ultrasonic is connected and assembled at the two ends of the ultrasonic energy converter in an optical lens. The ultrasonic energy converter generates vibration according to the frequency of the inputted AC sinusoidal wave signal and is assembled at the back surface of a wash trough inside the optical lens, thereby leading the surface of the optical lens in the underwater optical measurement analysis meter to generate vibration and realize to wash the dirt on the surface of the optical lens in the underwater optical measurement analysis meter; meanwhile, the vibration amplitude and the vibration frequency of the ultrasonic energy converter can be conveniently changed by adjusting the output power and resonance frequency of the ultrasonic generator, thereby realizing a better washing effect on the surface of the optical lens in the underwater optical measurement analysis meter.
Description
Technical field
The utility model relates to a kind of miniature ultrasonic cleaning device that is used for underwater optics Measurement and analysis instrument.
Background technology
In the industrial products production process, it is a kind of good washing effect that the using ultrasound ripple cleans, price economy, environmentally friendly cleaning.Ultrasonic wave cleans can be applied to clean bodily form size of all kinds, complex-shaped, the demanding many workpiece of cleannes.For example can be used for cleaning clock and watch part, camera part, that oil is chewed oil pump, car engine machine part, precision bearing part, gear, piston ring, milling cutter, saw blade, jewel, injector for medical purpose and various optical frames is first-class; Can also be used to clean electronic products such as precision component in printed board, semiconductor wafer and device, the kinescope, magnetic element, silicon chip, ceramic wafers, connector assembly, weld tabs, contact conductor.Utilizing optical principle to measure in COD in the water, nitre nitrogen, the water technology such as oil, chlorophyll at environmental protection industry (epi) is used widely at environmental protection industry (epi).These optical devices are owing to measure operation for a long time continuously in real time in water, pollutant in its water in various degree be stained with the surface that overlays on optical lens, cause optical path to be hindered, make optical signal diminish or light refraction, scattering etc., cause very mistake to measurement result.The ultrasonic wave water technology mainly is by power ultrasonic is introduced in the water, and degraded water pollutant, sterilization also can be used for Treatment of Sludge and the algae that suppresses in the eutrophication water.Yet never have the practical application of relevant ultrasonic cleaning technology in the Environmental Protection in China instrument, and environmental protection measuring instrument both domestic and external is more and more pursued miniaturization, and the volume of many ultrasonic cleaning apparatus is all relatively very big on market, the resonant frequency of transducing sheet is lower, can not be used for miniature underwater optics Measurement and analysis instrument.
The utility model content
The utility model purpose is to provide that a kind of cost is low, stable performance, the miniature ultrasonic cleaning device that is used for underwater optics Measurement and analysis instrument that cleaning efficiency is high.
The utility model purpose is achieved in that the miniature ultrasonic cleaning device of this underwater optics Measurement and analysis instrument is to be made of supersonic generator and ultrasonic transducer, and the oscillator signal of described supersonic generator output is connected to the two ends of ultrasonic transducer.
Above-mentioned supersonic generator is made up of single chip circuit, high-frequency power amplifying circuit and output circuit and feedback circuit, the output of described single chip circuit connects the input of high-frequency power amplifying circuit, high-frequency power amplifying circuit divides two-way output, and the output of one road is through the input of feedback circuit order sheet machine circuit; Another road output of high-frequency power amplifying circuit connects the input of output circuit, and the output of output circuit links to each other with ultrasonic transducer.
The technological progress that the utility model is obtained: supersonic generator produces the AC sine wave signal of the 0.8MHZ of standard, and exports this signal to ultrasonic transducer, promptly is connected the two ends of piezoelectric ceramic piece.Under the effect of AC sine wave signal, make the ceramic crystal in the piezoelectric ceramic piece form an alternating electric field, piezoelectric ceramic piece will produce vibrations according to the frequency of input AC sine wave signal, piezoelectric ceramic piece is assemblied in the back side of the inboard washing trough of optical lens, thereby make that the surface of optical lens produces vibrations in the underwater optics Measurement and analysis instrument, realized the surface contaminants of optical lens in the underwater optics Measurement and analysis instrument is cleaned, simultaneously by regulating the power output and the resonant frequency of supersonic generator, can change the vibration amplitude and the vibration frequency of piezoelectric ceramic piece easily, thereby realize the better clear effect in optical lens surface in the underwater optics Measurement and analysis instrument.Can produce the heating phenomenon because piezoelectric ceramic piece works long hours, the water temperature around its underwater optics Measurement and analysis instrument also can correspondingly raise, and the rising of water temperature can cause the error of measurement.The analyzer of optical measurement does not simultaneously need round-the-clock the cleaning yet, the utility model is connected in series a time relay at the input of supersonic generator, ultrasonic cleaning equipment is set to the discontinuous operation pattern, thus the pollutant of knowing the optical lens surface of stability and high efficiency more.
Description of drawings
Fig. 1 is an overall structure schematic diagram of the present utility model.
Fig. 2 is the block diagram of the utility model supersonic generator.
Fig. 3 is the electrical schematic diagram of supersonic generator.
The specific embodiment
For further describing the utility model, be described further below in conjunction with accompanying drawing.
As shown in Figure 1, the miniature ultrasonic cleaning device of this underwater optics Measurement and analysis instrument is to be made of supersonic generator and ultrasonic transducer 1, described supersonic generator is exported a high-frequency ac sine wave signal, this AC sine wave signal is used to drive and is assemblied in the ultrasonic transducer 1 that is cleaned on the optical lens, and ultrasonic transducer 1 present embodiment is selected the piezoelectric ceramic piece of being made by the piezo-electric effect material for use.In order to make supersonic generator 1 be operated in the discontinuous operation pattern, be connected in series a time relay K at the input of supersonic generator, the model of time relay K is OMRON H3Y-2.
Described supersonic generator is made up of single chip circuit, high-frequency power amplifying circuit and output circuit and feedback circuit, as shown in Figure 2, described single chip circuit produces the square-wave signal of a 0.8MHZ, this square-wave signal divides two-way output after high-frequency power amplifying circuit amplifies, the output of one road connects the input of single-chip microcomputer U1 through feedback circuit; Another road output of high-frequency power amplifying circuit connects the input of output circuit, output circuit is exported to piezoelectric ceramic piece after converting square-wave signal to the AC sine wave signal, make piezoelectric ceramic piece produce vibrations, the optical lens surface of optical measurement analyzer is cleaned according to the frequency of the AC sine wave signal of input.Circuit structure that each part mentioned above is concrete and operation principle division are as follows:
As shown in Figure 3, described single chip circuit is made up of single-chip microcomputer U1 and crystal oscillator XT and capacitor C 4, C5, and crystal oscillator XT and capacitor C 4, capacitor C 5 are the peripheral cell of single-chip microcomputer U1.Base is by C4 during the work of (model of single-chip microcomputer U1 is PIC16C712) single-chip microcomputer U1, and the crystal oscillator XT of C5 and 20MHZ provides, the input of the square-wave signal tremendously high frequency power amplification circuit of single-chip microcomputer U1 output 0.8MHZ.
Described high-frequency power amplifying circuit is made up of triode Q1 and resistance R 7-R9, and the base stage of triode Q1 receives the square-wave signal of being exported by single-chip microcomputer U1 through resistance R 7, and it is amplified, and is exported to the input of output circuit by the colelctor electrode of triode Q1.Output circuit is a transformer T1, the primary coil of transformer T1 is connected with the colelctor electrode of triode Q1 in the high-frequency power amplifying circuit, after the square-wave signal that transformer T1 exports high-frequency power amplifying circuit converts the AC sine wave signal to, secondary coil by transformer T1 exports piezoelectric ceramic piece to, and the two ends of transformer T1 secondary coil link to each other with ultrasonic transducer.Make piezoelectric ceramic piece produce vibrations according to the frequency of the AC sine wave signal of input.
Described feedback circuit is made up of sample circuit and error operational amplification circuit and integral filter circuit, sample circuit is connected to the emitter stage of triode Q1 in the high-frequency power amplifying circuit, the output of sample circuit links to each other with the input of error operational amplification circuit, and integral filter circuit is connected to the output of error operational amplification circuit.Sample circuit is made up of resistance R 1, R2 and resistance R 9, and its resistance R 9 is serially connected with the emitter stage of triode Q1 in the high-frequency power amplifying circuit, and its output links to each other with the input of error operational amplification circuit through resistance R 1, R2 respectively.The error operational amplification circuit is made up of operational amplifier U2 and resistance R 3-R5 and capacitor C 1, (model of operational amplifier U2 is LM358) input of operational amplifier U2 links to each other with the output of sample circuit, and sampled signal is amplified the back export, its output exports the input of single-chip microcomputer U1 to behind integral filter circuit.Described integral filter circuit is made of the two-stage RC wave filter that resistance R 5, R6 and capacitor C 2, C3 form.
Its course of work is as follows: positive source provides power supply for the colelctor electrode of triode Q1 behind the elementary winding of transformer T1.Triode Q1 base stage input be PWM square-wave signal (this signal is through resistance R 7, and the R8 dividing potential drop was controlled afterwards) by the 0.8MHZ of single-chip microcomputer U1 output.The sampling of feedback circuit is that the pressure drop from the triode Q1 emitter stage current-limiting resistance R9 is obtained, the operating current of this sampled signal reflection triode Q1, the voltage at current-limiting resistance R9 two ends is delivered to the operational amplifier of being made up of operational amplifier U2, resistance R 1-R4 amplify, after resistance R 5, R6 and capacitor C 2, C3 two-stage RC filtering, deliver to the input of single-chip microcomputer U1 then.Single-chip microcomputer U1 adjusts the dutycycle that PWM exports after error voltage is handled computing, changes the ON time of triode Q1, realizes the power closed-loop control.Produce the square-wave signal of 0.8MHZ by single-chip microcomputer U1, remove driving transformer T1 through after the power amplification, the AC sine wave signal of the 0.8MHZ of the secondary outputting standard of transformer T1, and this signal is added in the two ends of piezoelectric ceramic piece, finish the conversion of the ultrasonic signal of telecommunication and mechanical force.Make the optical lens surface of optical measurement analyzer produce vibrations, realize surface clean optical lens.
Claims (10)
1. the miniature ultrasonic cleaning device of a underwater optics Measurement and analysis instrument is characterized in that it is made of supersonic generator and ultrasonic transducer, and the oscillator signal of described supersonic generator output is connected to the two ends of ultrasonic transducer.
2. the miniature ultrasonic cleaning device of underwater optics Measurement and analysis instrument according to claim 1 is characterized in that also can being connected in series a time relay at the input of described supersonic generator.
3. the miniature ultrasonic cleaning device of underwater optics Measurement and analysis instrument according to claim 1 and 2, it is characterized in that described supersonic generator is made up of single chip circuit, high-frequency power amplifying circuit and output circuit and feedback circuit, the output of described single chip circuit connects the input of high-frequency power amplifying circuit, high-frequency power amplifying circuit divides two-way output, and the output of one road is through the input of feedback circuit order sheet machine circuit; Another road output of high-frequency power amplifying circuit connects the input of output circuit, and the output of output circuit links to each other with ultrasonic transducer.
4. the miniature ultrasonic cleaning device of underwater optics Measurement and analysis instrument according to claim 3, it is characterized in that described single chip circuit is made up of single-chip microcomputer U1 and crystal oscillator XT and capacitor C 4, capacitor C 5, crystal oscillator XT and capacitor C 4, capacitor C 5 are the peripheral cell of single-chip microcomputer U1.
5. the miniature ultrasonic cleaning device of underwater optics Measurement and analysis instrument according to claim 4, it is characterized in that described high-frequency power amplifying circuit is made up of triode Q1 and resistance R 7, resistance R 8, resistance R 9, the base stage of triode Q1 connects the output of single-chip microcomputer U1 through resistance R 7, and the colelctor electrode of triode Q1 connects the input of output circuit.
6. the miniature ultrasonic cleaning device of underwater optics Measurement and analysis instrument according to claim 5, it is characterized in that described output circuit is a transformer T1, the primary coil of transformer T1 is connected with the colelctor electrode of triode Q1 in the high-frequency power amplifying circuit, and the two ends of transformer T1 secondary coil link to each other with ultrasonic transducer.
7. the miniature ultrasonic cleaning device of underwater optics Measurement and analysis instrument according to claim 6, it is characterized in that described feedback circuit is made up of sample circuit and error operational amplification circuit and integral filter circuit, sample circuit is connected to the emitter stage of triode Q1 in the high-frequency power amplifying circuit, the output of sample circuit links to each other with the input of error operational amplification circuit, and integral filter circuit is connected to the output of error operational amplification circuit.
8. the miniature ultrasonic cleaning device of underwater optics Measurement and analysis instrument according to claim 7, it is characterized in that described sample circuit is made up of resistance R 1, resistance R 2 and resistance R 9, its resistance R 9 is serially connected with the emitter stage of triode Q1 in the high-frequency power amplifying circuit, and its output links to each other with the input of error operational amplification circuit through resistance R 1, resistance R 2 respectively.
9. the miniature ultrasonic cleaning device of underwater optics Measurement and analysis instrument according to claim 8, it is characterized in that described error operational amplification circuit is made up of operational amplifier U2 and resistance R 3, resistance R 4, resistance R 5 and capacitor C 1, the input of operational amplifier U2 links to each other with the output of sample circuit, and its output connects the input of integral filter circuit.
10. the miniature ultrasonic cleaning device of underwater optics Measurement and analysis instrument according to claim 9, it is characterized in that described integral filter circuit is made up of resistance R 5, resistance R 6, capacitor C 2, capacitor C 3, the input of integral filter circuit links to each other with error operational amplification circuit output, the input of its output order sheet machine circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202541355U CN201579230U (en) | 2009-10-23 | 2009-10-23 | Minitype ultrasonic cleaning device of underwater optical measurement analysis meter |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009202541355U CN201579230U (en) | 2009-10-23 | 2009-10-23 | Minitype ultrasonic cleaning device of underwater optical measurement analysis meter |
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| CN201579230U true CN201579230U (en) | 2010-09-15 |
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| CN2009202541355U Expired - Fee Related CN201579230U (en) | 2009-10-23 | 2009-10-23 | Minitype ultrasonic cleaning device of underwater optical measurement analysis meter |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102580952A (en) * | 2012-03-05 | 2012-07-18 | 哈尔滨工程大学 | Underwater automatic cleaning protective cover |
| CN103874550A (en) * | 2012-01-30 | 2014-06-18 | 株式会社海上 | ultrasonic cleaning device and power control method thereof |
| WO2018207041A1 (en) * | 2017-05-12 | 2018-11-15 | International Business Machines Corporation | Ultra-sonic self-cleaning system |
| CN109922897A (en) * | 2016-11-01 | 2019-06-21 | 德州仪器公司 | Ultrasonic lens cleaning systems with the impedance monitoring for detecting failure or degradation |
| CN112427396A (en) * | 2020-10-19 | 2021-03-02 | 苏州殷绿勒精密机械科技有限公司 | Ultrasonic cleaning device for positive and negative electrode plates |
| US11237387B2 (en) | 2016-12-05 | 2022-02-01 | Texas Instruments Incorporated | Ultrasonic lens cleaning system with foreign material detection |
| US11366076B2 (en) | 2017-02-03 | 2022-06-21 | Texas Instruments Incorporated | Transducer temperature sensing |
| US11420238B2 (en) | 2017-02-27 | 2022-08-23 | Texas Instruments Incorporated | Transducer-induced heating-facilitated cleaning |
| US11607704B2 (en) | 2017-04-20 | 2023-03-21 | Texas Instruments Incorporated | Methods and apparatus for electrostatic control of expelled material for lens cleaners |
| US11693235B2 (en) | 2017-05-10 | 2023-07-04 | Texas Instruments Incorporated | Lens cleaning via electrowetting |
| CN117451681A (en) * | 2023-11-09 | 2024-01-26 | 山东省科学院海洋仪器仪表研究所 | Fluorescence sensors for alkylbenzene monitoring |
| US12042829B2 (en) | 2017-04-20 | 2024-07-23 | Texas Instruments Incorporated | Methods and apparatus for surface wetting control |
| US12128459B2 (en) | 2016-09-27 | 2024-10-29 | Texas Instruments Incorporated | Multi-frequency reduction of fluid droplet |
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2009
- 2009-10-23 CN CN2009202541355U patent/CN201579230U/en not_active Expired - Fee Related
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103874550A (en) * | 2012-01-30 | 2014-06-18 | 株式会社海上 | ultrasonic cleaning device and power control method thereof |
| CN103874550B (en) * | 2012-01-30 | 2015-10-14 | 株式会社海上 | ultrasonic cleaning device and power control method thereof |
| CN102580952A (en) * | 2012-03-05 | 2012-07-18 | 哈尔滨工程大学 | Underwater automatic cleaning protective cover |
| US12128459B2 (en) | 2016-09-27 | 2024-10-29 | Texas Instruments Incorporated | Multi-frequency reduction of fluid droplet |
| CN109922897A (en) * | 2016-11-01 | 2019-06-21 | 德州仪器公司 | Ultrasonic lens cleaning systems with the impedance monitoring for detecting failure or degradation |
| US11237387B2 (en) | 2016-12-05 | 2022-02-01 | Texas Instruments Incorporated | Ultrasonic lens cleaning system with foreign material detection |
| US11366076B2 (en) | 2017-02-03 | 2022-06-21 | Texas Instruments Incorporated | Transducer temperature sensing |
| US11420238B2 (en) | 2017-02-27 | 2022-08-23 | Texas Instruments Incorporated | Transducer-induced heating-facilitated cleaning |
| US12042829B2 (en) | 2017-04-20 | 2024-07-23 | Texas Instruments Incorporated | Methods and apparatus for surface wetting control |
| US11607704B2 (en) | 2017-04-20 | 2023-03-21 | Texas Instruments Incorporated | Methods and apparatus for electrostatic control of expelled material for lens cleaners |
| US11693235B2 (en) | 2017-05-10 | 2023-07-04 | Texas Instruments Incorporated | Lens cleaning via electrowetting |
| GB2577416B (en) * | 2017-05-12 | 2022-03-09 | Ibm | Ultra-Sonic Self-Cleaning System |
| US11073687B2 (en) | 2017-05-12 | 2021-07-27 | International Business Machines Corporation | Ultra-sonic self-cleaning system |
| GB2577416A (en) * | 2017-05-12 | 2020-03-25 | Ibm | Ultra-Sonic Self-Cleaning System |
| US10527843B2 (en) | 2017-05-12 | 2020-01-07 | International Business Machines Corporation | Ultra-sonic self-cleaning system |
| US10520723B2 (en) | 2017-05-12 | 2019-12-31 | International Business Machines Corporation | Ultra-sonic self-cleaning system |
| WO2018207041A1 (en) * | 2017-05-12 | 2018-11-15 | International Business Machines Corporation | Ultra-sonic self-cleaning system |
| CN112427396A (en) * | 2020-10-19 | 2021-03-02 | 苏州殷绿勒精密机械科技有限公司 | Ultrasonic cleaning device for positive and negative electrode plates |
| CN117451681A (en) * | 2023-11-09 | 2024-01-26 | 山东省科学院海洋仪器仪表研究所 | Fluorescence sensors for alkylbenzene monitoring |
| CN117451681B (en) * | 2023-11-09 | 2024-03-29 | 山东省科学院海洋仪器仪表研究所 | Fluorescence sensors for alkylbenzene monitoring |
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Legal Events
| Date | Code | Title | Description |
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| 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: 20100915 Termination date: 20121023 |