WO2017028819A1 - 变频超声波陈酒器 - Google Patents

变频超声波陈酒器 Download PDF

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Publication number
WO2017028819A1
WO2017028819A1 PCT/CN2016/096093 CN2016096093W WO2017028819A1 WO 2017028819 A1 WO2017028819 A1 WO 2017028819A1 CN 2016096093 W CN2016096093 W CN 2016096093W WO 2017028819 A1 WO2017028819 A1 WO 2017028819A1
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ultrasonic
frequency
alternating current
wine
current signal
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PCT/CN2016/096093
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English (en)
French (fr)
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欧永强
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欧永强
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Priority to DE112016000985.2T priority Critical patent/DE112016000985T5/de
Priority to US15/557,692 priority patent/US20180051240A1/en
Publication of WO2017028819A1 publication Critical patent/WO2017028819A1/zh

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    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12H—PASTEURISATION, STERILISATION, PRESERVATION, PURIFICATION, CLARIFICATION OR AGEING OF ALCOHOLIC BEVERAGES; METHODS FOR ALTERING THE ALCOHOL CONTENT OF FERMENTED SOLUTIONS OR ALCOHOLIC BEVERAGES
    • C12H1/00—Pasteurisation, sterilisation, preservation, purification, clarification, or ageing of alcoholic beverages
    • C12H1/12—Pasteurisation, sterilisation, preservation, purification, clarification, or ageing of alcoholic beverages without precipitation
    • C12H1/16—Pasteurisation, sterilisation, preservation, purification, clarification, or ageing of alcoholic beverages without precipitation by physical means, e.g. irradiation
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12H—PASTEURISATION, STERILISATION, PRESERVATION, PURIFICATION, CLARIFICATION OR AGEING OF ALCOHOLIC BEVERAGES; METHODS FOR ALTERING THE ALCOHOL CONTENT OF FERMENTED SOLUTIONS OR ALCOHOLIC BEVERAGES
    • C12H1/00—Pasteurisation, sterilisation, preservation, purification, clarification, or ageing of alcoholic beverages
    • C12H1/12—Pasteurisation, sterilisation, preservation, purification, clarification, or ageing of alcoholic beverages without precipitation
    • C12H1/16—Pasteurisation, sterilisation, preservation, purification, clarification, or ageing of alcoholic beverages without precipitation by physical means, e.g. irradiation
    • C12H1/165—Pasteurisation, sterilisation, preservation, purification, clarification, or ageing of alcoholic beverages without precipitation by physical means, e.g. irradiation by irradiation

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  • the invention relates to the field of ultrasonic application technology, in particular to a frequency conversion ultrasonic wine bottle.
  • ultrasonic technology to apply high-power ultrasound-induced "cavitation" phenomenon is considered to be the most effective way to simulate the change of alcoholicity, which is expected to be effective for many years. It has been confirmed that it can effectively shorten the alcoholation time, so industrially
  • the use of ultrasonic technology to promote brewing and ripening in the production process of fermentation and brewing has been applied on a large scale.
  • the industrial single-frequency ultrasonic (20KHz-40KHz) irradiation may not be able to successfully produce good ripening and aging effects on different types of wine.
  • the technical problem to be solved by the present invention is to provide a variable frequency ultrasonic wine stopper to solve the defect that the single frequency ultrasonic wave applied in the industry cannot quickly ripen and ripen different types of bottled wine.
  • the present invention is implemented as follows:
  • a variable frequency ultrasonic wine bottle comprising a base and an opening formed upwardly along a circumference of the base; the opening is provided with a container for containing a sound guiding medium solution; in use, a wine bottle Placed in the container and immersed in the sound guiding medium solution;
  • An ultrasonic transducer and a control circuit board are mounted on the base; the control circuit board is provided with an ultrasonic generating unit and an ultrasonic frequency modulation unit;
  • the ultrasonic generating unit is configured to convert the commercial power into an ultrasonic frequency alternating current signal
  • the ultrasonic frequency modulation unit is configured to frequency-modulate the ultrasonic frequency alternating current signal to cyclically change its frequency within a set range; and input the frequency-modulated ultrasonic frequency alternating current signal into the ultrasonic transducer to generate an ultrasonic wave. ;
  • the ultrasonic transducer is for emitting the ultrasonic waves into the container.
  • control circuit board is further provided with an ultrasonic amplitude modulation unit; the ultrasonic amplitude modulation unit is configured to perform amplitude modulation on the frequency-modulated ultrasonic frequency alternating current signal by using a commercial power signal, and the amplitude thereof is matched with the waveform of the commercial power signal. After the change, the amplitude modulated ultrasonic alternating current signal is then sent to the ultrasonic transducer to generate ultrasonic waves.
  • the ultrasonic amplitude modulation unit uses a sine wave having a frequency between the commercial power signal and the ultrasonic frequency alternating current signal before the frequency modulation before amplitude modulation of the frequency modulated ultrasonic alternating current signal by using the commercial power signal.
  • the signal pre-modulates the frequency-modulated ultrasonic frequency alternating current signal so that its amplitude changes according to the waveform of the sine wave signal.
  • the setting range is 25 kHz to 35 kHz.
  • a distance between the wine bottle and a vibration output end of the ultrasonic transducer is one quarter of a wavelength of the ultrasonic wave.
  • the vibration output end of the ultrasonic transducer is embedded in the bottom of the container; the frequency conversion ultrasonic wine stopper is provided with a bracket; the bracket is used for lifting the wine bottle so that the wine bottle does not contact the bottle The bottom of the container.
  • the voltage peak-to-peak value of the ultrasonic frequency alternating current signal is 2KVpp.
  • the ultrasonic generating unit includes a transformer; the transformer is configured to convert a mains voltage into a voltage of the ultrasonic alternating current signal; and the winding of the transformer is wound by a wire wrapped wire.
  • the ultrasonic transducer emits in an intermittent manner when the ultrasonic wave is emitted into the container.
  • the present invention frequency-modulates a high-frequency ultrasonic frequency alternating current signal, cyclically changes its frequency within a set range, and then applies the frequency-modulated ultrasonic frequency alternating current signal to the ultrasonic transducer. It generates an ultrasonic signal whose frequency changes cyclically within a set range.
  • the ultrasonic signal can cover the optimal ultrasonic frequency required for ultrasonic ripening and aging of various alcohols, thereby accelerating the ripening process of the wine and achieving rapid aging effect.
  • the invention solves the defect that the single frequency ultrasonic wave applied in the industry can not quickly ripen and ripen different types of wine, and can realize rapid ripening and aging for different types of wine.
  • the schematic diagram of the frequency conversion ultrasonic wine bottle device provided in the embodiment of the present invention is placed in a wine bottle and covered with an upper cover;
  • the variable frequency ultrasonic wine stopper When the bottled wine is ripened and aged using the variable frequency ultrasonic wine stopper, the wine bottle 3 is placed in a container and immersed in a sound guiding medium solution.
  • the base 2 and its opening portion can be designed to be integrally formed.
  • an upper cover 1 can be designed, and the upper cover 1 can be detachably sealed on the opening.
  • the upper cover 1 can be designed to be integrally formed. In normal times, the upper cover 1 can be sealed on the opening of the base 2 and integrated with the base 2.
  • the "integral" can be designed to resemble the shape of a conventional wine bottle 3 as an upscale, aesthetically pleasing arrangement. When the bottled wine in the container is used for aging and aging, ultrasonic vibration is generated, and noise is generated. When the frequency ultrasonic aging device is used to ripen the wine, the upper cover 1 can also isolate noise. effect.
  • An ultrasonic transducer 21 and a control circuit board are mounted on the base 2, and an ultrasonic generating unit and an ultrasonic frequency modulation unit are provided on the control circuit board.
  • the ultrasonic generating unit is configured to convert the commercial power into an ultrasonic frequency alternating current signal;
  • the ultrasonic frequency modulation unit is configured to frequency-modulate the ultrasonic frequency alternating current signal, and the frequency thereof is cyclically changed within a set range; and the frequency-modulated ultrasonic frequency alternating current is used.
  • the signal is input to the ultrasonic transducer 21 to generate ultrasonic waves; the ultrasonic transducer 21 is used to emit ultrasonic waves into the container.
  • the generated ultrasonic wave can cover the optimal ultrasonic frequency required for ultrasonic ripening and aging, and can realize rapid ripening of different types of wine.
  • Chen Hua According to the experiment, the ultrasonic wave in the frequency band of 25KHz to 35KHz has the most obvious cavitation effect on different wines, and the success rate of the cavitation effect of the wine liquid is the highest. Therefore, when the ultrasonic frequency AC signal is frequency-modulated, The setting range can be set to 25KHz-35KHz.
  • the frequency of the ultrasonic frequency alternating current signal is cyclically changed in the range of 25 kHz to 35 kHz.
  • the frequency of 1 kHz is increased or decreased every 0.5 seconds.
  • the frequency change of 1 KHz is increased or decreased every 0.5 seconds.
  • the ultrasonic transducer 21 can be launched in an intermittent manner when transmitting ultrasonic waves into the container, that is, for a period of time, for a period of time. Stop for five seconds every five minutes of launch. By intermittent emission, the ultrasonic transducer 21 does not need to be always in a high load operation state, which is advantageous for prolonging the service life of the ultrasonic transducer 21.
  • the frequency modulation process can be programmed to control a frequency controller in the ultrasonic frequency modulation unit, and the frequency modulation process is controlled by the microcontroller programming.
  • An ultrasonic amplitude modulation unit can also be disposed on the control circuit board, and the ultrasonic amplitude modulation unit can directly use the mains signal to amplitude-modulate the frequency-modulated ultrasonic frequency alternating current signal, and the amplitude thereof changes with the waveform of the commercial power signal, and then the amplitude-modulated
  • the ultrasonic frequency alternating current signal is sent to the ultrasonic transducer 21 to generate ultrasonic waves. Since the amplitude of the amplitude-modulated ultrasonic alternating current signal changes with the waveform of the mains signal, the amplitude of the generated ultrasonic wave also changes with the waveform of the mains signal, so that the ultrasonic vibrator is not always in a high output state.
  • the voltage peak-to-peak value of the ultrasonic frequency alternating current signal is 2KVpp.
  • the amplitude frequency alternating current signal is amplitude-modulated by the 50/60 Hz commercial power, the amplitude will change with the change of the commercial power waveform, and will not be in every The amplitudes are at the highest output state. Although this may increase the time required for ripening and aging of the wine, it will also significantly prolong the service life of the ultrasonic transducer 21.
  • the ultrasonic amplitude modulation unit can also use the sinusoidal signal between the mains signal and the ultrasonic frequency alternating current signal before the frequency modulation to adjust the frequency after the amplitude modulation of the frequency modulated alternating current alternating current signal by using the mains signal.
  • the frequency AC signal is pre-amplified to vary its amplitude with the waveform of the sine wave signal.
  • an ultrasonic frequency alternating current signal having a voltage peak-to-peak value of 2 kVpp is taken as an example.
  • the ultrasonic frequency alternating current signal is pre-modulated by a sine wave signal having a frequency of 1 kHz, and the amplitude is adjusted according to the sine.
  • the waveform of the wave signal changes, and then, as shown in FIG.
  • the pre-amplified ultrasonic frequency AC signal is re-amplified by the mains signal.
  • the three waveforms from top to bottom are respectively a 1 kHz sine wave signal, an ultrasonic frequency alternating current signal modulated by an ultrasonic frequency modulation unit, and an ultrasonic frequency alternating current signal pre-modulated by a 1 KHz sine wave signal.
  • the three waveforms from top to bottom are the mains signal, the ultrasonic frequency alternating current signal pre-amplified by the 1KHz sine wave signal, and the ultrasonic frequency alternating current signal after the mains signal amplitude modulation.
  • the amplitude of the ultrasonic frequency alternating current signal is obtained.
  • a greater degree of modulation is in the vicinity of the highest peak or the highest peak in less time than in the case of no pre-amplification, so that the ultrasonic transducer 21 is in a high output state in less time.
  • the ultrasonic transducer 21 is further protected to extend its service life.
  • the ultrasonic frequency alternating current signal generated by the above cyclic variation frequency and the two amplitude modulations combines the repeatability of frequency conversion and amplitude, and is converted into ultrasonic waves by the ultrasonic transducer 21 to generate ultrasonic waves having a pulse effect, and then emitted in an intermittent manner.
  • the wavelength of the ultrasonic wave is ⁇ , and the distance between the vibration output end of the ultrasonic transducer 21 and the wine bottle 3 is d, then
  • the present invention sets the distance between the wine bottle 3 and the vibration output end of the ultrasonic transducer 21 to be a quarter wavelength of the ultrasonic wave.
  • the ultrasonic transducer 21 is mounted on the bottom of the container, and the vibration output end of the ultrasonic transducer 21 is embedded in the bottom of the container.
  • the ultrasonic transducer 21 is generated. Mechanical vibration, therefore, the wine bottle 3 is slightly affected by the mechanical vibration of the ultrasonic transducer 21, and this movement causes the wine bottle 3 to rub against the container to generate noise.
  • the direct contact of the wine bottle 3 with the bottom of the container is equivalent to pressing the wine bottle 3 directly on the vibration output surface of the ultrasonic transducer 21, which causes the resonance frequency of the wine to deviate, thereby causing a significant decrease in ripening and aging performance. Therefore, the present invention provides a bracket on the variable frequency ultrasonic wine stopper, and the bottle 3 is lifted by the bracket so as not to contact the bottom of the container, thereby solving the problem.
  • an international voltage conversion unit is provided on the control circuit board.
  • the international voltage conversion unit is used to identify the voltage of the commercial power, convert it into the working voltage of the ultrasonic generating unit, and transmit it to the ultrasonic generating unit.
  • FIG. 5 is a schematic diagram showing an anatomical structure of a variable frequency ultrasonic wine stopper according to an embodiment of the present invention.
  • the control circuit board 23 is fixedly mounted on the bottom of the base 2 by a bracket, and the bottom of the base 2 is sealed by a metal plate 24.
  • a control panel 22 and a power input socket 25 are also disposed on the side wall of the base 2, and the control panel 22 and the power input socket 25 are opposed to each other.
  • the ultrasonic generating unit is required to generate an ultrasonic frequency alternating current signal of sufficient intensity.
  • the present invention converts a commercial power source (e.g., 110V or 220V) into an ultrasonic frequency alternating current signal whose peak value can reach 2KVpp, and applies the signal to the ultrasonic transducer 21 to generate ultrasonic waves of sufficient intensity.
  • the ultrasonic generating unit includes a transformer, and the transformer is a voltage for converting the commercial power voltage into an ultrasonic frequency alternating current signal. Such a high voltage conversion multiple may cause the transformer to overheat, affecting stability and service life.
  • the winding of the transformer is wound by a wire wrapped wire, so that the temperature of the transformer is greatly reduced, and the stability of the working of the transformer is ensured.
  • the outer casing and container of the frequency conversion ultrasonic wine maker are stainless steel, and the super high thermal conductivity of the stainless steel can provide excellent heat dissipation effect for the frequency conversion ultrasonic wine bottle.
  • the variable frequency ultrasonic wine cooler can be operated at a lower operating temperature without a cooling fan.
  • the inner wall of the opening is hollow from the outer wall of the container to isolate vibration noise.
  • a safety protection unit is also provided on the control circuit board.
  • the safety protection unit comprises at least one of a leakage automatic power-off protection circuit, a dump automatic power-off protection circuit, an over-temperature automatic power-off protection circuit, and an over-current automatic power-off protection circuit.
  • the over-temperature automatic power-off protection circuit and the over-current automatic power-off protection circuit detect that the inverter ultrasonic wine bottle is over-temperature or over-current, the power supply of the frequency-variable ultrasonic wine-reducer can also be automatically disconnected to play a corresponding protective role.

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Abstract

一种针对瓶装酒的变频超声波陈酒器，包括基座（2）及沿基座（2）的周缘向上延伸形成的开口部；开口部内设有一容器，容器用于盛装导声介质溶液；使用时，酒瓶（3）放置在容器内并浸入导声介质溶液；基座（2）中安装有超声波换能器（21）及控制电路板（23）；控制电路板（23）上设有超声波发生单元及超声波调频单元；超声波发生单元用于将市电转化为超声频交流电信号；超声波调频单元用于对超声频交流电信号进行调频，使其频率在设定范围内循环变化；并将调频后的超声频交流电信号输入超声波换能器（21）使其产生超声波；超声波换能器（21）用于向容器内发射超声波。该变频超声波陈酒器可产生覆盖多种酒催熟陈化所需的最佳超声波频率，实现加速酒的催熟过程，从而达成快速陈化的功效。

Description

变频超声波陈酒器
本发明涉及超声波应用技术领域，尤其涉及一种变频超声波陈酒器。
用超声波技术施以高功率超声诱导的“空化”现象，被认为是最有效模拟变化酒类使似于多年自然陈化效果的方法，並已确认可有效地缩短发醇时间，故工业上用超声波技术来推进酿酒及催熟于发酵及酿造的生产过程中，已被有规模地应用。但瓶装后的酒由于各別有不同的酒质特性，用工业上传统的单一頻率超声波(20KHz-40KHz) 照射并不一定能够成功地对不同类型的酒产生良好的催熟及陈化功效。
本发明所要解决的技术问题是，提供一种变频超声波陈酒器，以解决工业上所应用的单一频率超声波无法对不同类型的瓶装酒进行快速催熟陈化的缺陷。本发明是这样实现的：
一种变频超声波陈酒器，包括基座及沿所述基座的周缘向上延伸形成的开口部；所述开口部内设有一容器，所述容器用于盛装导声介质溶液；使用时，酒瓶放置在所述容器内并浸入所述导声介质溶液；
所述基座中安装有超声波换能器及控制电路板；所述控制电路板上设有超声波发生单元及超声波调频单元；
所述超声波发生单元用于将市电转化为超声频交流电信号；
所述超声波调频单元用于对所述超声频交流电信号进行调频，使其频率在设定范围内循环变化；并将调频后的超声频交流电信号输入所述超声波换能器使其产生超声波；
所述超声波换能器用于向所述容器内发射所述超声波。
进一步地，所述控制电路板上还设有超声波调幅单元；所述超声波调幅单元用于利用市电信号对调频后的超声频交流电信号进行调幅，使其振幅随所述市电信号的波形变化，然后再将调幅后的超声频交流电信号发送给所述超声波换能器使其产生超声波。
进一步地，所述超声波调幅单元在利用市电信号对调频后的超声频交流电信号进行调幅之前，还利用频率介于所述市电信号与调频前的超声频交流电信号之间的正弦波信号对调频后的超声频交流电信号进行预调幅，使其振幅随所述正弦波信号的波形变化。
进一步地，所述设定范围为25KHz-35KHz。
进一步地，所述酒瓶与所述超声波换能器的振动输出端之间的距离为所述超声波波长的四分之一。
进一步地，所述超声波换能器的振动输出端嵌入所述容器的底部；所述变频超声波陈酒器上设置有支架；所述支架用于托起所述酒瓶，使酒瓶不接触所述容器的底部。
进一步地，所述超声频交流电信号的电压峰峰值为2KVpp。
进一步地，所述超声波发生单元包括变压器；所述变压器用于将市电电压转化为所述超声频交流电信号的电压；所述变压器的绕组由丝包线绕制。
进一步地，所述超声波换能器向所述容器内发射所述超声波时采用间歇性方式发射。
与现有技术相比，本发明将高频的超声频交流电信号进行调频，使其频率在设定范围内循环变化，然后将调频后的超声频交流电信号施加到超声波换能器上，使其产生频率在设定范围内循环变化的超声波信号。该超声波信号可覆盖多种酒类进行超声波催熟陈化所需的最佳超声波频率，实现加速酒的催熟过程，达成快速陈化功效。本发明解决了工业上所应用的单一频率超声波无法对不同类型的酒进行快速催熟陈化的缺陷，可对不同类型的酒实现快速催熟陈化。
 图1
本发明实施例提供的变频超声波陈酒器的基座与上盖单独结构示意图；
图2
本发明实施例提供的变频超声波陈酒器放入酒瓶，盖上上盖后的结构示意图；
图3
利用1KHz正弦波信号对调频后的超声频交流电信号进行预调幅的过程示意图；
图4
利用市电信号对预调幅后的超声频交流电信号进行再次调幅的过程示意图；
图5
本发明实施例提供的变频超声波陈酒器的解剖结构示意图。
为了使本发明的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本发明进行进一步详细说明。
本发明涉及一种利用超声波对液体的空化作用实现对酒进行催熟陈化的变频超声波陈酒器。具体而言，如图1及图2所示，本发明提供的变频超声波陈酒器包括一基座2，该基座2的周缘向上延伸形成一开口部，开口部内设有一容器，容器用于盛装导声介质溶液。鉴于本发明的使用环境，可用水作为导声介质溶液。使用该变频超声波陈酒器对瓶装酒进行催熟陈化时，将酒瓶3放置在容器内并浸入导声介质溶液。该基座2及其开口部可设计为整体成型，另外，还可设计一上盖1，上盖1可可拆卸地盖封在开口部上。上盖1可设计为一体成型。平时，上盖1可盖封在基座2的开口部上，与基座2形成一体。该“一体”可设计为类似于普通酒瓶3的形状，作为高档、美观的摆设。由于利用超声波对容器内的瓶装酒进行催熟陈化时会产生机械振动，从而形成噪音，在使用该变频超声波陈酒器对酒进行催熟陈化时，上盖1还可起到隔离噪音的作用。
基座2中安装有超声波换能器21及控制电路板，控制电路板上设有超声波发生单元及超声波调频单元。超声波发生单元用于将市电转化为超声频交流电信号；超声波调频单元用于对超声频交流电信号进行调频，使其频率在设定范围内循环变化；并将调频后的超声频交流电信号输入超声波换能器21使其产生超声波；超声波换能器21用于向容器内发射超声波。
通过以上调频方式，只要合理设置超声频交流电信号的频率范围，可使产生的超声波覆盖多种酒进行超声波催熟陈化所需的最佳超声波频率，可对不同类型的酒实现快速催熟陈化。根据实验发现，25KHz至35KHz频段的超声波对不同酒所产生的空化作用最明显，能令酒液体产生空化效应的成功率是最高的，因此，在对超声频交流电信号进行调频时，可将设定范围定为25KHz-35KHz。通过调频，使超声频交流电信号的频率在25KHz至35KHz范围内循环变化，具体可为，每0.5秒增加或减少1KHz的频率，当频率达到该范围的某一端后，再返回另一端继续按每0.5秒增加或减少1KHz的频率变化。超声波换能器21在向容器内发射超声波时，可采用间歇性方式发射，即每发射一段时间，暂停一段时间。如每发射五分钟停五秒钟。通过间歇性的发射，可使得超声波换能器21无需总是处于高负荷工作状态，有利于延长超声波换能器21的使用寿命。同时间歇性的照射可避免液体因长期照射而产生固定驻波，增强整个振动系统对液体的均匀搅拌功效。调频过程可通过编程控制，在超声波调频单元内设置一微控制器，通过微控制器编程控制调频过程。
控制电路板上还可设置超声波调幅单元，该超声波调幅单元可直接利用市电信号对调频后的超声频交流电信号进行调幅，使其振幅随市电信号的波形变化，然后再将调幅后的超声频交流电信号发送给超声波换能器21使其产生超声波。由于调幅后的超声频交流电信号的振幅随市电信号的波形变化，导致产生的超声波的振幅也随着市电信号的波形变化，从而使超声波振子不会总是处于高输出状态。例如，超声频交流电信号的电压峰峰值为2KVpp，通过50/60Hz的市电对该超声频交流电信号进行调幅后，其振幅将随着市电波形的变化而变化，而不会在每个振幅都处于最高输出状态。这样虽然可能会增加酒的催熟陈化所需要的时间，但同时也将明显延长超声波换能器21的使用寿命。
超声波调幅单元在利用市电信号对调频后的超声频交流电信号进行调幅之前，还可利用频率介于市电信号与调频前的超声频交流电信号之间的正弦波信号对调频后的超声频交流电信号进行预调幅，使其振幅随正弦波信号的波形变化。同样以电压峰峰值为2KVpp的超声频交流电信号为例，可如图3所示，预先通过一频率为1KHz的正弦波信号对该超声频交流电信号进行预调幅，使其振幅按该正弦波信号的波形变化，然后，再如图4所示，通过市电信号对预调幅后的超声频交流电信号进行再次调幅。图3中，由上到下的三个波形分别为1KHz正弦波信号、经超声波调频单元调频后的超声频交流电信号、经1KHz正弦波信号预调幅后的超声频交流电信号。图4中，由上到下的三个波形分别为市电信号、经1KHz正弦波信号预调幅后的超声频交流电信号、经市电信号调幅后的超声频交流电信号。由图4中经市电信号调幅后的超声频交流电信号的波形可以看出，经过两次调幅（1KHz正弦波信号预调幅及市电信号调幅）后，超声频交流电信号的振幅得到了更大程度的调制，与没有经过预调幅的情况相比，其振幅在更少的时间里处于最高峰值或最高峰值的附近，从而使得超声波换能器21在更少的时间里处于高输出状态，进一步保护了超声波换能器21，延长了其使用寿命。
经以上循环变动频率及两次调幅所产生的超声频交流电信号结合了变频与幅度的重复性，经过超声波换能器21转换成超声波后产生具有脉冲效应的超声波，再采用间歇性方式发射，创建发起振铃、放松和调节的多模式机械振动，使整个振动系统得到充分搅拌及使进行的空化效应得到更均匀的分布。
依据与无线电波相同的原理，设超声波的波长为λ，超声波换能器21的振动输出端与酒瓶3之间的距离为d，则当
Figure 16PA01262PCT-appb-M000001
时，容易获得最佳的超声波能量传输效率。当距离
Figure 16PA01262PCT-appb-M000002
时，对空间要求最省，而当
Figure 16PA01262PCT-appb-M000003
时，对空间要求最大。因此，本发明将酒瓶3与超声波换能器21的振动输出端之间的距离设置为超声波的四分之一波长。
为保证超声波的良好传导，超声波换能器21安装在容器底部，将超声波换能器21的振动输出端嵌入容器的底部。但是在这种情况下，如果将酒瓶3直接放置于容器内，酒瓶3的重量将直接施加在容器上，这样，当进行超声波催熟陈化处理时，由于超声波换能器21会产生机械振动，因此，酒瓶3会受超声波换能器21的机械振动的影响而产生轻微移动，这种移动会导致酒瓶3与容器摩擦而产生噪音。除此之外，酒瓶3直接接触容器底部相当于酒瓶3直接压在超声波换能器21的振动输出面，这会造成酒的谐振频率偏离，从而导致催熟陈化效能大幅降低。因此，本发明在变频超声波陈酒器上设置一支架，通过该支架托起酒瓶3，使其不接触容器的底部，从而解决该问题。
为适应不同国家的电压标准，在控制电路板上设有国际电压转换单元。国际电压转换单元用于识别市电的电压，并将其转化为超声波发生单元的工作电压后传输到超声波发生单元。
图5所示为本发明实施例提供的变频超声波陈酒器的解剖结构示意图，控制电路板23通过支架固定安装在基座2的底部，基座2的底部通过金属板24密封。在基座2的侧壁上还设置有操控面板22及电源输入插座25，操控面板22和电源输入插座25的位置相对。
为使超声波换能器21产生足够强度的超声波对酒进行催熟陈化，需要超声波发生单元产生足够强度的超声频交流电信号。本发明将市电（如110V或220V）转换为峰值可达到2KVpp的超声频交流电信号，将该信号施加到超声波换能器21以产生足够强度的超声波。超声波发生单元包括变压器，变压器就是用于将市电电压转化为超声频交流电信号的电压，如此高的电压转换倍数可能使变压器产生过热，影响稳定性及使用寿命。因此，变压器的绕组由丝包线绕制，从而使得变压器的温度得到大幅下降，保证了变压器工作的稳定性。同时，变频超声波陈酒器的外壳及容器均为不锈钢，不锈钢的超强导热性能可为本变频超声波陈酒器提供极佳的散热效果。再加上在工作时，由于作为产生主要热量的变压器的温度已通过丝包线设计得到控制，因此，该变频超声波陈酒器不需要散热风扇即可保持在较低的工作温度下运行。由于不需要散热风扇，因此噪音得以大幅降低，同时还不需要设计通风口，避免了灰尘等对变频超声波陈酒器内部的影响，而且兼顾了美观。开口部的内壁与容器的外壁之间为中空，可隔绝振动噪音。
控制电路板上还设有安全保护单元。安全保护单元包括漏电自动断电保护电路、倾倒自动断电保护电路、过温自动断电保护电路及过流自动断电保护电路中的至少一个。当通过漏电自动保护电路检测到有漏电及通过倾倒自动断电保护电路检测到变频超声波陈酒器倾倒时，均可自动断开变频超声波陈酒器的电源，起到安全保护作用。同理，通过过温自动断电保护电路及过流自动断电保护电路检测到变频超声波陈酒器过温或过流时，也可自动断开变频超声波陈酒器的电源，起到相应保护作用。
以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明的保护范围之内。

Claims (9)

  1. 一种变频超声波陈酒器，其特征在于，包括基座及沿所述基座的周缘向上延伸形成的开口部；所述开口部内设有一容器，所述容器用于盛装导声介质溶液；使用时，酒瓶放置在所述容器内并浸入所述导声介质溶液；
    所述基座中安装有超声波换能器及控制电路板；所述控制电路板上设有超声波发生单元及超声波调频单元；
    所述超声波发生单元用于将市电转化为超声频交流电信号；
    所述超声波调频单元用于对所述超声频交流电信号进行调频，使其频率在设定范围内循环变化；并将调频后的超声频交流电信号输入所述超声波换能器使其产生超声波；
    所述超声波换能器用于向所述容器内发射所述超声波。
  2. 如权利要求1所述的变频超声波陈酒器，其特征在于，所述控制电路板上还设有超声波调幅单元；所述超声波调幅单元用于利用市电信号对调频后的超声频交流电信号进行调幅，使其振幅随所述市电信号的波形变化，然后再将调幅后的超声频交流电信号发送给所述超声波换能器使其产生超声波。
  3. 如权利要求2所述的变频超声波陈酒器，其特征在于，所述超声波调幅单元在利用市电信号对调频后的超声频交流电信号进行调幅之前，还利用频率介于所述市电信号与调频前的超声频交流电信号之间的正弦波信号对调频后的超声频交流电信号进行预调幅，使其振幅随所述正弦波信号的波形变化。
  4. 如权利要求1所述的变频超声波陈酒器，其特征在于，所述设定范围为25KHz-35KHz。
  5. 如权利要求1所述的变频超声波陈酒器，其特征在于，所述酒瓶与所述超声波换能器的振动输出端之间的距离为所述超声波波长的四分之一。
  6. 如权利要求1所述的变频超声波陈酒器，其特征在于，所述超声波换能器的振动输出端嵌入所述容器的底部；所述变频超声波陈酒器上设置有支架；所述支架用于托起所述酒瓶，使酒瓶不接触所述容器的底部。
  7. 如权利要求1所述的变频超声波陈酒器，其特征在于，所述超声频交流电信号的电压峰峰值为2KVpp。
  8. 如权利要求1所述的变频超声波陈酒器，其特征在于，所述超声波发生单元包括变压器；所述变压器用于将市电电压转化为所述超声频交流电信号的电压；所述变压器的绕组由丝包线绕制。
  9. 如权利要求1所述的变频超声波陈酒器，其特征在于，所述超声波换能器向所述容器内发射所述超声波时采用间歇性方式发射。
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