CN105598023A - Novel immersed ultrasonic array radiator - Google Patents
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- 238000004506 ultrasonic cleaning Methods 0.000 abstract description 19
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
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- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
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Abstract
本发明属于超声波清洗技术领域，具体涉及一种新型浸没式超声波阵列辐射器，包括超声波换能器，辐射槽，其中超声波换能器胶粘或焊接于辐射槽的内部；浸没式超声波阵列辐射器中超声波换能器的两个辐射面分别与辐射槽相粘接，因而换能器的两个辐射面可以同时辐射超声波，不仅消除了传统超声波清洗槽中换能器后辐射端的无功功率的辐射问题，还大大提高了传统超声波清洗槽的辐射效率，提高了传统的超声波清洗槽的利用效率，增大了换能器的辐射功率，从而提高了清洗效果；同时该发明可以实现同一个辐射器在不同方向产生不同辐射功率以及强度的辐射功能，可广泛应用于超声清洗、超声粉碎、超声提取、超声乳化、超声化学等液体处理技术中，应用前景广泛。
The invention belongs to the technical field of ultrasonic cleaning, and in particular relates to a novel submerged ultrasonic array radiator, comprising an ultrasonic transducer and a radiation tank, wherein the ultrasonic transducer is glued or welded inside the radiation tank; the submerged ultrasonic array radiator The two radiating surfaces of the ultrasonic transducer are respectively bonded to the radiating tank, so the two radiating surfaces of the transducer can radiate ultrasonic waves at the same time, which not only eliminates the problem of reactive power at the radiating end of the transducer in traditional ultrasonic cleaning tanks The radiation problem also greatly improves the radiation efficiency of the traditional ultrasonic cleaning tank, improves the utilization efficiency of the traditional ultrasonic cleaning tank, increases the radiation power of the transducer, and thus improves the cleaning effect; at the same time, the invention can realize the same radiation The device produces different radiation powers and intensities in different directions, and can be widely used in liquid treatment technologies such as ultrasonic cleaning, ultrasonic pulverization, ultrasonic extraction, ultrasonic emulsification, and ultrasonic chemistry, with broad application prospects.
Description
技术领域 technical field
本发明属于超声波清洗技术领域，具体涉及一种新型浸没式超声波阵列辐射器。 The invention belongs to the technical field of ultrasonic cleaning, and in particular relates to a novel submerged ultrasonic array radiator.
背景技术 Background technique
超声波清洗是一种全新的高科技物理清洗技术，目前已经广泛地应用于国民经济各个行业。超声波清洗是利用超声波在液体中的空化作用、加速度作用及声冲流等作用对液体和污物直接、间接的作用，使污物层被分散、乳化、剥离而达到清洗目的。目前所用的超声波清洗机中，空化作用和声冲流作用应用地更多，超声波清洗广泛应用于表面喷涂处理行业、机械行业、电子行业、医疗行业、半导体行业、钟表首饰行业、光学行业、纺织印染等行业。超声波清洗机主要由优质高性能超声波换能器清洗槽和特殊的超声波发生器组成，超声波发生器与清洗槽可以是分体或一体。 Ultrasonic cleaning is a new high-tech physical cleaning technology, which has been widely used in various industries of the national economy. Ultrasonic cleaning is to use the cavitation effect, acceleration effect and acoustic flushing effect of ultrasonic waves in liquid to directly and indirectly affect liquid and dirt, so that the dirt layer is dispersed, emulsified and peeled off to achieve the purpose of cleaning. Among the currently used ultrasonic cleaning machines, cavitation and acoustic flushing are more widely used. Ultrasonic cleaning is widely used in surface spraying treatment industry, machinery industry, electronics industry, medical industry, semiconductor industry, watch and jewelry industry, optical industry, Textile printing and dyeing industries. The ultrasonic cleaning machine is mainly composed of a high-quality high-performance ultrasonic transducer cleaning tank and a special ultrasonic generator. The ultrasonic generator and the cleaning tank can be separated or integrated.
目前超声波清洗器主要有两种，即传统的开放式超声清洗槽及浸没式超声波清洗槽两种：在传统的浸没式超声波清洗槽中，超声波换能器处于单面辐射的工作状态下，夹心式压电陶瓷复合换能器的前辐射面与超声波清洗槽紧密结合，以便实现超声波的高效传输；而换能器的另一个辐射面，也就是常说的换能器的后辐射面，是裸露在空气中的。由于换能器的后辐射端面是换能器振动位移的波幅位置，尽管空气的阻抗很低，但由于位移较大，因此换能器的后向辐射功率不可能为零。同时，由于空气阻抗与换能器阻抗严重失配，在换能器的后辐射面处将产生严重的声反射，因而造成换能器的功率损耗，降低换能器的效率。为了尽量减少此类换能器的后向辐射功率，人们采用通常重金属材料作为换能器的后盖板材料。采用这一措施以后，尽管可以适当的减少换能器的后向辐射功率，但仍然存在声波的反射问题。 At present, there are mainly two types of ultrasonic cleaners, namely, the traditional open ultrasonic cleaning tank and the submerged ultrasonic cleaning tank: in the traditional submerged ultrasonic cleaning tank, the ultrasonic transducer is in the working state of single-sided radiation, and the sandwich The front radiating surface of the piezoelectric ceramic composite transducer is closely combined with the ultrasonic cleaning tank to achieve efficient transmission of ultrasonic waves; while the other radiating surface of the transducer, also known as the rear radiating surface of the transducer, is exposed to the air. Since the rear radiation end face of the transducer is the amplitude position of the vibration displacement of the transducer, although the impedance of the air is very low, due to the large displacement, the backward radiation power of the transducer cannot be zero. At the same time, due to the severe mismatch between the air impedance and the transducer impedance, severe acoustic reflection will be generated at the rear radiation surface of the transducer, thus causing power loss of the transducer and reducing the efficiency of the transducer. In order to minimize the backward radiation power of this type of transducer, people usually use heavy metal materials as the back cover material of the transducer. After adopting this measure, although the backward radiation power of the transducer can be appropriately reduced, the problem of sound wave reflection still exists.
发明内容 Contents of the invention
本发明的目的是克服现有超声波清洗技术中存在的换能器后向辐射能量反射、阻抗失配、声能量浪费、辐射功率和辐射效率低的问题。 The purpose of the present invention is to overcome the problems of transducer backward radiation energy reflection, impedance mismatch, sound energy waste, radiation power and radiation efficiency existing in the existing ultrasonic cleaning technology.
为此，本发明提供了一种新型浸没式超声波阵列辐射器，包括超声波换能器，其中，还包括辐射槽，所述超声波换能器胶粘或者焊接于所述辐射槽的内部。 To this end, the present invention provides a novel submerged ultrasonic array radiator, which includes an ultrasonic transducer, and further includes a radiation groove, and the ultrasonic transducer is glued or welded inside the radiation groove.
上述一种新型浸没式超声波阵列辐射器，所述辐射槽选用不锈钢材料制成。 In the above-mentioned novel submerged ultrasonic array radiator, the radiation tank is made of stainless steel.
上述一种新型浸没式超声波阵列辐射器，所述辐射槽呈矩形。 In the above-mentioned novel submerged ultrasonic array radiator, the radiation groove is rectangular.
上述一种新型浸没式超声波阵列辐射器，所述超声波换能器为双向辐射超声波换能器，所述超声波换能器的前后金属辐射块可以选用相同或者不同的材料制成。 In the above-mentioned novel submerged ultrasonic array radiator, the ultrasonic transducer is a two-way radiation ultrasonic transducer, and the front and rear metal radiation blocks of the ultrasonic transducer can be made of the same or different materials.
上述一种新型浸没式超声波阵列辐射器，所述超声波换能器的前后金属辐射块可以制成不同的几何形状及尺寸。 In the above-mentioned novel submerged ultrasonic array radiator, the front and rear metal radiation blocks of the ultrasonic transducer can be made into different geometric shapes and sizes.
上述一种新型浸没式超声波阵列辐射器，所述超声波换能器的数量至少为一个。 In the above-mentioned novel submerged ultrasonic array radiator, the number of the ultrasonic transducers is at least one.
本发明的有益效果：本发明提供的这种新型浸没式超声波阵列辐射器，双向辐射换能器的前后两个辐射面都与辐射槽紧密相连，因而换能器的两个辐射面同时辐射超声波，不仅可以消除传统的超声波清洗槽中换能器后辐射端的无功功率的辐射问题，还大大地提高了传统的超声波清洗槽的辐射效率，因而提高了传统的超声波清洗槽的利用效率，增大了换能器的辐射功率，从而提高了清洗效果；同时该新型浸没式超声波阵列辐射器可以实现同一个辐射器在不同方向产生不同辐射功率以及强度的辐射功能；该发明可广泛应用于超声清洗、超声粉碎、超声提取、超声乳化、超声化学等液体处理技术中，具有良好的应用前景及市场价值。 Beneficial effects of the present invention: In the new submerged ultrasonic array radiator provided by the present invention, the front and rear radiation surfaces of the two-way radiation transducer are closely connected with the radiation groove, so the two radiation surfaces of the transducer radiate ultrasonic waves at the same time , not only can eliminate the radiation problem of reactive power at the radiation end of the transducer in the traditional ultrasonic cleaning tank, but also greatly improve the radiation efficiency of the traditional ultrasonic cleaning tank, thus improving the utilization efficiency of the traditional ultrasonic cleaning tank and increasing The radiation power of the transducer is increased, thereby improving the cleaning effect; at the same time, the new submerged ultrasonic array radiator can realize the radiation function of the same radiator producing different radiation power and intensity in different directions; this invention can be widely used in ultrasonic It has a good application prospect and market value in liquid treatment technologies such as cleaning, ultrasonic crushing, ultrasonic extraction, ultrasonic emulsification, and ultrasonic chemistry.
以下将结合附图及实施例对本发明做进一步详细说明。 The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.
附图说明 Description of drawings
图1是本发明一种新型浸没式超声波阵列辐射器的结构示意图。 Fig. 1 is a schematic structural view of a novel submerged ultrasonic array radiator of the present invention.
附图标记说明：1、超声波换能器；2、辐射槽。 Explanation of reference numerals: 1. Ultrasonic transducer; 2. Radiation tank.
具体实施方式 detailed description
为进一步阐述本发明达成预定目的所采取的技术手段及功效，以下结合附图及实施例对本发明的具体实施方式、结构特征及其功效，详细说明如下。 In order to further illustrate the technical means and effects adopted by the present invention to achieve the intended purpose, the specific implementation, structural features and effects of the present invention will be described in detail below in conjunction with the accompanying drawings and examples.
实施例1： Example 1:
如图1所示，一种新型浸没式超声波阵列辐射器，包括超声波换能器1，其中，还包括辐射槽2，超声波换能器1的两个辐射面分别与辐射槽2相粘接；其中，辐射槽2选用矩形的不锈钢材料制成，超声波换能器1为双向辐射超声波换能器；超声波换能器1的前后金属辐射块可以选用相同或者不同的材料制成；超声波换能器1的前后金属辐射块均可以制成不同的几何形状及尺寸；超声波换能器1的数量至少为一个。 As shown in Figure 1, a novel submerged ultrasonic array radiator includes an ultrasonic transducer 1, wherein it also includes a radiation groove 2, and the two radiation surfaces of the ultrasonic transducer 1 are respectively bonded to the radiation groove 2; Wherein, the radiation groove 2 is made of rectangular stainless steel, and the ultrasonic transducer 1 is a two-way radiation ultrasonic transducer; the front and rear metal radiation blocks of the ultrasonic transducer 1 can be made of the same or different materials; The front and rear metal radiation blocks of 1 can be made into different geometric shapes and sizes; the number of ultrasonic transducer 1 is at least one.
其中，超声波换能器1的两个辐射面均呈圆形；前金属辐射块可以采用铝或者铝合金材料或者铝镁合金等轻金属材料制成；后金属辐射块可以采用铝或者铝合金材料或者铝镁合金等轻金属材料制成，后金属辐射块还可以采用钢或者铜或者不锈钢等重金属材料制成；超声波换能器1中的压电晶片可以采用PZT-4或PZT-8发射型陶瓷材料制成，压电晶片均呈圆环形；超声波换能器1可以为圆柱形或喇叭型复合换能器，其中超声波换能器1的前后金属辐射块的形状可以采用圆柱形、圆锥形、指数型、双曲线型或者其他不同的面积变化函数。 Wherein, the two radiation surfaces of the ultrasonic transducer 1 are circular; the front metal radiation block can be made of light metal materials such as aluminum or aluminum alloy material or aluminum-magnesium alloy; the rear metal radiation block can be made of aluminum or aluminum alloy material or Made of light metal materials such as aluminum-magnesium alloy, the rear metal radiation block can also be made of heavy metal materials such as steel or copper or stainless steel; the piezoelectric chip in the ultrasonic transducer 1 can be made of PZT-4 or PZT-8 emitting ceramic materials The piezoelectric wafers are all circular; the ultrasonic transducer 1 can be a cylindrical or horn-shaped composite transducer, wherein the shape of the front and rear metal radiation blocks of the ultrasonic transducer 1 can be cylindrical, conical, Exponential, hyperbolic or other different area change functions.
实施例2： Example 2:
在实施例1的基础上，该新型浸没式超声波阵列辐射器对称地辐射超声波时，超声波换能器1中的压电晶片选用PZT-4发射型材料，压电晶片的数量为两片，均呈圆环形；超声波换能器1的前后金属辐射块的形状采用圆锥形,圆锥形喇叭的小端半径R1=19.5mm，大端半径R2=27.5mm，每片压电陶瓷圆环的厚度为L01=L02=5mm，内外半径分别为R01=7.5mm，R02=19mm。 On the basis of Example 1, when the novel submerged ultrasonic array radiator radiates ultrasonic waves symmetrically, the piezoelectric wafer in the ultrasonic transducer 1 is made of PZT-4 emitting material, and the number of piezoelectric wafers is two, each It is circular; the shape of the front and rear metal radiation blocks of the ultrasonic transducer 1 is conical, the radius of the small end of the conical horn is R 1 =19.5mm, the radius of the large end is R 2 =27.5mm, each piece of piezoelectric ceramic ring The thickness is L 01 =L 02 =5mm, the inner and outer radii are R 01 =7.5mm, R 02 =19mm.
当前后金属辐射圆锥块的材料均为铝合金时：频率为25KHz时，前后金属喇叭的长度分别为L1=L2=62.5mm；频率为35KHz时，前后金属喇叭的长度分别为L1=L2=41.5mm。 When the materials of the front and rear metal radiation cone blocks are aluminum alloy: when the frequency is 25KHz, the lengths of the front and rear metal horns are L 1 =L 2 =62.5mm; when the frequency is 35KHz, the lengths of the front and rear metal horns are L 1 = L 2 =41.5mm.
当前后金属辐射圆锥块的材料均为不锈钢时：频率为25KHz时，前后金属喇叭的长度分别为L1=L2=32mm；频率为35KHz时，前后金属喇叭的长度分别为L1=L2=20.5mm。 When the materials of the front and rear metal radiation cone blocks are all stainless steel: when the frequency is 25KHz, the lengths of the front and rear metal horns are L 1 =L 2 =32mm; when the frequency is 35KHz, the lengths of the front and rear metal horns are L 1 =L 2 =20.5mm.
实施例3： Example 3:
在实施例1的基础上，该新型浸没式超声波阵列辐射器不对称地辐射超声波时，超声波换能器1中的压电晶片选用PZT-4发射型材料，压电晶片的数量为两片，均呈圆环形；超声波换能器1的前后金属辐射块的形状采用圆锥形,圆锥形喇叭的小端半径R1=19.5mm，大端半径R2=27.5mm，每片压电陶瓷圆环的厚度为L01=L02=5mm，内外半径分别为R01=7.5mm，R02=19mm。 On the basis of Embodiment 1, when the novel submerged ultrasonic array radiator asymmetrically radiates ultrasonic waves, the piezoelectric wafer in the ultrasonic transducer 1 is made of PZT-4 emission type material, and the number of piezoelectric wafers is two. Both are circular; the shape of the front and rear metal radiation blocks of the ultrasonic transducer 1 is conical, the radius of the small end of the conical horn is R 1 =19.5mm, and the radius of the large end is R 2 =27.5mm. The thickness of the ring is L 01 =L 02 =5 mm, and the inner and outer radii are R 01 =7.5 mm and R 02 =19 mm, respectively.
当前金属辐射圆锥块的材料为铝合金、后金属辐射圆锥块的材料为不锈钢时：频率为25KHz时，铝合金金属喇叭的长度为L1=62.5mm，不锈钢金属喇叭的长度L2=32mm；频率为35KHz时，铝合金金属喇叭的长度为L1=41.5mm，不锈钢金属喇叭的长度L2=20.5mm。 When the material of the front metal radiation cone block is aluminum alloy and the material of the rear metal radiation cone block is stainless steel: when the frequency is 25KHz, the length of the aluminum alloy metal horn is L 1 =62.5mm, and the length of the stainless steel metal horn is L 2 =32mm; When the frequency is 35KHz, the length of the aluminum alloy metal horn is L 1 =41.5mm, and the length of the stainless steel metal horn is L 2 =20.5mm.
以上内容是结合具体的优选实施方式对本发明所作的进一步详细说明，不能认定本发明的具体实施只局限于这些说明。对于本发明所属技术领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干简单推演或替换，都应当视为属于本发明的保护范围。 The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be assumed that the specific implementation of the present invention is limited to these descriptions. For those of ordinary skill in the technical field of the present invention, without departing from the concept of the present invention, some simple deduction or replacement can be made, which should be regarded as belonging to the protection scope of the present invention.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| US11344824B2 (en) | 2018-09-05 | 2022-05-31 | Petrochina Company Limited | Ultrasonic microbubble generation method, apparatus and system |
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