CN104013475B - A dual Langevin transducer ultrasonic scaler means - Google Patents

A dual Langevin transducer ultrasonic scaler means Download PDF

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Publication number
CN104013475B
CN104013475B CN 201410186862 CN201410186862A CN104013475B CN 104013475 B CN104013475 B CN 104013475B CN 201410186862 CN201410186862 CN 201410186862 CN 201410186862 A CN201410186862 A CN 201410186862A CN 104013475 B CN104013475 B CN 104013475B
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CN 201410186862
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CN104013475A (en )
Inventor
汪红兵
李振兴
李耀辉
任芸丹
郭俊
李志荣
孙春华
张义平
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苏州市职业大学
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Abstract

本发明公开了一种双兰杰文振子的超声波洁牙装置,包含工作刀头、连接头和兰杰文振子;所述工作刀头设置在连接头上,兰杰文振子与连接头相连接;所述兰杰文振子包含依次连接的振动杆、变幅锥体、连接盘、第一压电陶瓷片、第二压电陶瓷片、第一配重块和第二配重块;所述兰杰文振子有两个,两个兰杰文振子的振动杆均连接在连接头上;本发明的双兰杰文振子的超声波洁牙装置,通过同时激发两个兰杰文振子做同向伸缩振动的对称模态以及反向伸缩振动的反对称模态,使工作刀头既可沿轴向振动,又可沿径向振动,使工作刀头可以起到更好的清洁牙面的效果。 The present invention discloses a dual Langevin transducer ultrasonic scaler device, comprising working head, connector and Langevin transducer; said working head is provided in the connecting head, Langevin transducer is connected to the connector ; vibrating bar the Langevin transducer comprising sequentially connected, amplitude cone, connecting plate, a first piezoelectric ceramic sheet, a second piezoelectric ceramic sheet, a first counterweight and a second counterweight block; the there are two Langevin vibrator, two vibration rods Langevin vibrator are connected in the connection head; bis Langevin ultrasonic transducers dentifrice apparatus of the invention, by simultaneously exciting two transducers Langevin to do with the symmetric stretching vibration mode and a reverse antisymmetric stretching vibration mode, both the working head along the axial vibration, radial vibration in turn, the working head can play a better cleaning of the tooth surface .

Description

一种双兰杰文振子的超声波洁牙装置 A dual Langevin transducer ultrasonic scaler means

技术领域 FIELD

[0001]本发明涉及一种洁牙装置,特别是一种双兰杰文振子的超声波洁牙装置。 [0001] The present invention relates to a dental cleaning device, in particular a dual Langevin transducer ultrasonic scaler means.

背景技术 Background technique

[0002] 口腔的清洁与美容治疗关系到人们的健康与形象,越来越受到重视,许多新的技术应运而生,这其中,超声波洁牙技术的应用较为广泛;超声波洁牙原理是利用频率为20赫兹以上的超声波震动进行洁治和刮治牙石、牙菌斑的口腔医疗仪器;与传统的手工洁牙相比,具有效率高、速度快、创伤轻、出血少、省时、省力等优点;超声波洁牙机的主要工作部件是超声换能器,超声换能器在频率为20赫兹以上的高频振荡电流作用下将电能转换成机械振动能量,激励工作头刀具产生同频率振动,达到击碎牙石,松散牙垢的目的;超声换能器的能量转换效率直接影响到洁牙机的工作性能;目前使用的超声波洁牙机采用的换能器是由单个兰杰文振子组成,获得的机械振动能量较小,兰杰文振子是一种利用纵向效应具有较高能量转换效率的振子,兰杰文振子中的压 [0002] Oral cleaning and beauty treatments related to people's health and image, more and more attention, many new technologies have emerged, which, application of ultrasonic scaling technology more widely; ultrasonic scaler is the use of frequency less than 20 Hz vibration for ultrasonic scaling and scaling tartar, plaque oral medical instruments; compared with the conventional manual cleaning teeth, with high efficiency, speed, light wound, less bleeding, saving time, effort, etc. advantage; main working parts of the ultrasonic scaler is an ultrasound transducer, the ultrasound transducer current is applied at a high frequency oscillation frequency is 20 Hz to convert electrical energy into mechanical vibration energy excitation with working frequency of the vibration generating tool head, purpose crushed calculus, tartar loose; ultrasound transducer energy conversion efficiency directly affects the performance of the scaler; ultrasonic scaler current use adopted by a single transducer is a Langevin vibrator consisting obtain mechanical vibration energy is small, Langevin transducer is utilizing the longitudinal effect of having a high energy conversion efficiency of the transducer, pressure transducer Langevin 陶瓷在20赫兹以上的高频振荡电流作用下产生轴向振动,并沿着振子传递到端部;但单个兰杰文振子只产生轴向的振动,轨迹单一,效率较低。 Ceramic generating high frequency oscillation current is applied at 20 Hz or more axial vibration, and pass along to the end portion of the transducer; but a single Langevin transducer generates only axial vibration, a single track, less efficient.

发明内容 SUMMARY

[0003]针对上述存在的技术问题,本发明的目的是:提出了一种双兰杰文振子的超声波洁牙装置。 [0003] For the above technical problems, an object of the present invention is: A dual Langevin transducer ultrasonic scaler means.

[0004]本发明的技术解决方案是这样实现的:一种双兰杰文振子的超声波洁牙装置,包含工作刀头、连接头和兰杰文振子;所述工作刀头设置在连接头上,兰杰文振子与连接头相连接;所述兰杰文振子包含依次连接的振动杆、变幅锥体、连接盘、第一压电陶瓷片、第二压电陶瓷片、第一配重块和第二配重块;所述兰杰文振子有两个,两个兰杰文振子的振动杆均连接在连接头上。 [0004] The technical solution of the invention is implemented as follows: A two-Langevin transducer ultrasonic scaler device, comprising working head, connector and Langevin transducer; said working head is provided in the connecting head , Langevin transducer is connected to the connector; Langevin vibrator comprising a vibrating rod connected in turn, amplitude cone, connecting plate, a first piezoelectric ceramic sheet, a second piezoelectric ceramic sheet, a first counterweight and a second counterweight block; the two Langevin vibrator, two vibration rods Langevin vibrator are connected in the connection head.

[0005]优选的,所述两个兰杰文振子的的中心线相互垂直。 [0005] Preferably, the centerline of the Langevin transducer two mutually perpendicular.

[0006]优选的,所述连接头上设置有阶梯孔,阶梯孔中设置有顶紧螺钉,顶紧螺钉将工作刀头的尾端压紧在阶梯孔中。 [0006] Preferably, the connector head is provided with a stepped hole is provided with a stepped bore in the top of screws, the screws top work head trailing end pressing the stepped bore.

[0007]优选的,所述两个兰杰文振子的变幅锥体、连接盘、第一压电陶瓷片、第二压电陶瓷片、第一配重块和第二配重块均通过一根连接螺钉连接固定。 [0007] Preferably, the two Langevin transducer horn cone, connecting plate, a first piezoelectric ceramic sheet, a second piezoelectric ceramic plate, a first and a second counterweight block each by weight connected to a fixed screw connection.

[0008]优选的,所述两个兰杰文振子的连接盘处均设置有固定支架。 [0008] Preferably, the two Langevin transducer is provided with a connector plate at a fixed bracket.

[0009]由于上述技术方案的运用,本发明与现有技术相比具有下列优点: [0009] As the use of the above technical solution, the present invention has the following advantages over the prior art:

[0010]本发明的双兰杰文振子的超声波洁牙装置,通过同时激发两个兰杰文振子做同向伸缩振动的对称模态以及反向伸缩振动的反对称模态,使工作刀头既可沿轴向振动,使工作刀头既可沿轴向振动,又可沿径向振动,使工作刀头可以起到更好的清洁牙面的效果。 [0010] bis Langevin ultrasonic transducers dentifrice apparatus of the invention, by simultaneously exciting two transducers made with Langevin antisymmetric mode and a reverse mode to the symmetric stretching vibration of the stretching vibration, the working head both along the axial vibration, the working head along both axial vibration, radial vibration in turn, can play a better working head cleaning effect of the tooth surface.

附图说明 BRIEF DESCRIPTION

[0011 ]下面结合附图对本发明技术方案作进一步说明: [0011] the accompanying drawings for further aspect of the invention described in conjunction with:

[0012]附图1为本发明所述的双兰杰文振子的超声波洁牙装置的剖视图; A cross-sectional view of a double Langevin transducer ultrasonic scaler apparatus according to the present invention [0012] Figure 1;

[0013]附图2为本发明所述的双兰杰文振子的超声波洁牙装置的剖视图的局部放大图; A partially enlarged cross-sectional view of FIG bis Langevin transducer ultrasonic scaler apparatus [0013] Figure 2 of the present invention;

[0014]其中:1、工作刀头;2、连接头;3、振动杆;4、变幅锥体;5、连接盘;6、第一压电陶瓷片;7、第二压电陶瓷片;8、第一配重块;9、第二配重块;10、顶紧螺钉;11、螺杆;12、连接螺钉;13、固定支架。 [0014] wherein: 1, the working head; 2, connector; 3, the vibrating rod; 4, amplitude cone; 5, the land; 6, a first piezoelectric ceramic plate; 7, a second piezoelectric ceramic sheet ; 8, a first counterweight; 9, a second counterweight; 10, a top screws; 11, a screw; 12, connected to the screw; 13, mounting bracket.

具体实施方式 detailed description

[0015]下面结合附图来说明本发明。 [0015] The present invention will be described below in conjunction with the accompanying drawings.

[0016]如图1-2所示,本发明所述的一种双兰杰文振子的超声波洁牙装置,包含工作刀头1、连接头2和兰杰文振子;所述工作刀头I的头部设计成扁平状,可扩大与牙齿的接触面积;所述工作刀头I设置在连接头2上;所述连接头2上设置有阶梯孔,阶梯孔中设置有顶紧螺钉10,顶紧螺钉10将工作刀头I的尾端压紧在阶梯孔中;所述兰杰文振子有两个,每个兰杰文振子均包含依次连接的振动杆3、变幅锥体4、连接盘5、第一压电陶瓷片6、第二压电陶瓷片 [0016] shown in Figure 1-2, a dual Langevin ultrasonic transducers dentifrice apparatus according to the present invention, comprising a working head 1, head 2 and connected Langevin transducer; the working tip I designed as a flat head, can enlarge the contact area with the tooth; I said working head is provided on a connector 2; said connection is provided with a stepped bore on the head 2, is provided with a stepped bore in the top of screws 10, top working screws 10 is pressed against the trailing end of the tip I stepped bore; said Langevin vibrator has two, each comprising a Langevin vibrator vibrating rod are connected in sequence 3, funnels 4, amplitude, disc 5, a first piezoelectric ceramic sheet 6, the second piezoelectric ceramic sheet

7、第一配重块8和第二配重块9,两个兰杰文振子均通过其振动杆3连接在连接头2上;所述两个兰杰文振子的的中心线相互垂直;所述两个兰杰文振子的变幅锥体4、连接盘5、第一压电陶瓷片6、第二压电陶瓷片7、第一配重块8和第二配重块9均通过一根连接螺钉12连接固定;所述两个兰杰文振子的连接盘5处均设置有固定支架13。 7, a first and a second counterweight 8 counterweight 9, two Langevin transducers through which the vibrating rod 3 are connected to the connection head 2; Langevin center line of the two transducers perpendicular to each other; the two Langevin transducer horn funnel 4, connected to disc 5, the first piezoelectric ceramic sheet 6, the second piezoelectric ceramic plates 7, 8 of the first and second counterweight 9 are block via counterweight a connector connection screw 12 is fixed; the two Langevin transducer is connected at the disc 5 is provided with a fixing bracket 13.

[0017]工作时,兰杰文振子具有对称和反对称两种模态,当两个兰杰文振子同时做同相的伸缩振动,就形成了对称模态,此时,工作刀头I上形成沿着轴向的振动;当两个兰杰文振子同时做互为反向的伸缩运动,就形成了反对称模态,此时,工作刀头I上形成沿着径向的振动;所述两个兰杰文振子上均设置有第一压电陶瓷片6和第二压电陶瓷片7,在其中一个兰杰文振子中的第一压电陶瓷片6和第二压电陶瓷片7上施加正弦波和余弦波电压信号,另一个兰杰文振子中的第一压电陶瓷片6和第二压电陶瓷片7上施加正弦波和负的余弦波电压信号,即可同时激发对称和反对称模态,使工作刀头I同时做轴向和径向振动时,形成了椭圆形轨迹,作用在牙齿面可更好地清洁牙面。 When the [0017] work, Langevin oscillator with symmetric and antisymmetric two modalities, when two Langevin transducers made simultaneously with the stretching phase, is formed symmetric mode, at this time, I is formed on the working tip vibration along the axial direction; and when two Langevin transducers while doing the opposite directions telescopic movement, is formed antisymmetric mode, at this time, the vibration in the radial direction is formed on the working tip I; the two upper Langevin transducer is provided with a first piezoelectric ceramic and second piezoelectric ceramic sheet 6 7, in which a Langevin transducer of a first piezoelectric ceramic and second piezoelectric ceramic sheets 6 7 applying sine and cosine waves voltage signal, applied to sine wave and the cosine wave voltage signal is negative on the other Langevin transducer 7 in the first piezoelectric ceramic and second piezoelectric ceramic sheet 6, can simultaneously excite symmetrical when the antisymmetric mode and, while doing the working head I axial and radial vibrations of the oval track is formed, the role of the tooth surface can be better clean the tooth surface.

[0018]由于上述技术方案的运用,本发明与现有技术相比具有下列优点: [0018] As the use of the above technical solution, the present invention has the following advantages over the prior art:

[0019]本发明的双兰杰文振子的超声波洁牙装置,通过同时激发两个兰杰文振子做同向伸缩振动的对称模态以及反向伸缩振动的反对称模态,使工作刀头既可沿轴向振动,使工作刀头既可沿轴向振动,又可沿径向振动,使工作刀头可以起到更好的清洁牙面的效果。 [0019] bis Langevin ultrasonic transducers dentifrice apparatus of the invention, by simultaneously exciting two transducers made with Langevin antisymmetric mode and a reverse mode to the symmetric stretching vibration of the stretching vibration, the working head both along the axial vibration, the working head along both axial vibration, radial vibration in turn, can play a better working head cleaning effect of the tooth surface.

[0020]上述实施例只为说明本发明的技术构思及特点,其目的在于让熟悉此项技术的人士能够了解本发明的内容并加以实施,并不能以此限制本发明的保护范围,凡根据本发明精神实质所作的等效变化或修饰,都应涵盖在本发明的保护范围内。 [0020] Examples of the above-described embodiments illustrate the technical concept and features of the invention, its object is to only allow those familiar with the art to understand the present invention and implement them, and thus does not limit the scope of the present invention, where an equivalent variations or modifications made from the spirit of the present invention, shall fall within the protection scope of the present invention.

Claims (3)

  1. 1.一种双兰杰文振子的超声波洁牙装置,包含工作刀头(1)、连接头(2)和兰杰文振子;所述工作刀头(I)设置在连接头(2)上,兰杰文振子与连接头(2)相连接;所述兰杰文振子包含依次连接的振动杆(3)、变幅锥体(4)、连接盘(5)、第一压电陶瓷片(6)、第二压电陶瓷片(7)、第一配重块(8)和第二配重块(9);其特征在于:所述兰杰文振子有两个,两个兰杰文振子的振动杆(3)均连接在连接头(2)上;所述两个兰杰文振子的中心线相互垂直;所述连接头(2)上设置有阶梯孔,阶梯孔中设置有顶紧螺钉(10),顶紧螺钉(10)将工作刀头(I)的尾端压紧在阶梯孔中。 1. A dual Langevin transducer ultrasonic scaler device, comprising the working head (1), connector (2) and the Langevin transducer; the working head (I) is provided on the connecting head (2) , Langevin transducer and connector (2) is connected; Langevin vibrator comprising a vibrating rod connected in turn (3), varying the cone (4), lands (5), a first piezoelectric ceramic sheet (6), a second piezoelectric ceramic plate (7), a first counterweight (8) and a second counterweight (9); characterized in that: said two Langevin vibrator, two Ranger Wen vibrator vibrating rod (3) are connected to the connecting head (2); the two Langevin transducer centerline perpendicular to each other; said connector (2) is provided with a stepped bore, the bore is provided with a stepped top screws (10), the top of screws (10) working head (I) is pressed against the trailing end of the stepped bore.
  2. 2.根据权利要求1所述的双兰杰文振子的超声波洁牙装置,其特征在于:所述两个兰杰文振子的变幅锥体(4)、连接盘(5)、第一压电陶瓷片(6)、第二压电陶瓷片(7)、第一配重块(8)和第二配重块(9)均通过一根连接螺钉(12)连接固定。 2. The dual Langevin ultrasonic transducers dentifrice apparatus according to claim 1, wherein: said two Langevin vibrator horn cone (4), lands (5), a first pressure ceramics sheet (6), a second piezoelectric ceramic plate (7), a first counterweight (8) and a second counterweight (9) are connected by means of a fixed screw connection (12).
  3. 3.根据权利要求1所述的双兰杰文振子的超声波洁牙装置,其特征在于:所述两个兰杰文振子的连接盘(5)处均设置有固定支架(13)。 The double Langevin ultrasonic transducers dentifrice apparatus according to claim 1, wherein: two of said Langevin transducer lands (5) is provided with a fixing bracket (13).
CN 201410186862 2014-05-06 2014-05-06 A dual Langevin transducer ultrasonic scaler means CN104013475B (en)

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CN203935290U (en) * 2014-05-06 2014-11-12 苏州市职业大学 Ultrasonic tooth cleaning device with double Langevin oscillators

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Publication number Priority date Publication date Assignee Title
CN2834457Y (en) * 2005-11-11 2006-11-08 吴勋辉 Supersonic tooth-cleaning machine handle
CN200987127Y (en) * 2006-10-30 2007-12-05 苏州市职业大学 K-shaped straight line ultrasonic motor
CN201076522Y (en) * 2007-05-11 2008-06-25 治齿灵有限公司 Ultrasonic vibration scraper
CN101656489A (en) * 2009-09-04 2010-02-24 华南农业大学 Linear ultrasonic motor with V-shaped prism composite oscillator
CN103099684A (en) * 2013-03-04 2013-05-15 东莞华中科技大学制造工程研究院 Ultrasonic tooth cleaning energy transducer
CN203935290U (en) * 2014-05-06 2014-11-12 苏州市职业大学 Ultrasonic tooth cleaning device with double Langevin oscillators

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