JPH0416381U - - Google Patents
Info
- Publication number
- JPH0416381U JPH0416381U JP5736790U JP5736790U JPH0416381U JP H0416381 U JPH0416381 U JP H0416381U JP 5736790 U JP5736790 U JP 5736790U JP 5736790 U JP5736790 U JP 5736790U JP H0416381 U JPH0416381 U JP H0416381U
- Authority
- JP
- Japan
- Prior art keywords
- holding body
- peripheral surface
- flat
- concave portion
- recess
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229920000642 polymer Polymers 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 3
- 238000004804 winding Methods 0.000 claims 2
- 239000000463 material Substances 0.000 claims 1
- 239000012528 membrane Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
Landscapes
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Transducers For Ultrasonic Waves (AREA)
Description
第１図は本考案の一実施例の要部構成説明図、
第２図は第１図装置の要部を組立てる手順を示す
説明図、第３図は第１図の要部構成説明図、第４
図は第３図の側断面図、第５図は従来の送受波器
を構成の示す縦断面図、第６図、第７図は第５図
における圧電膜の動作を説明する斜視図、第８図
は従来の第２の送受波器の要部の構成を示す斜視
図、第９図は第８図に示す送受波器を組み立てる
手順を示す説明図、第１０図、第１１図は第８図
の詳細説明図である。
４……反射傘、７ａ，７ｂ……電極、８ａ，８
ｂ……リード線、２１……保持体、２１１……平
面部、２２……凹部、２３……保護膜、２３１…
…接着剤、２４……重合部、２５……室、２６…
…高分子圧電膜、２７……保持板。
FIG. 1 is an explanatory diagram of the main part configuration of an embodiment of the present invention,
Fig. 2 is an explanatory diagram showing the procedure for assembling the main parts of the device shown in Fig. 1, Fig. 3 is an explanatory diagram of the main part configuration of Fig. 1,
The figure is a side sectional view of FIG. 3, FIG. 5 is a longitudinal sectional view showing the configuration of a conventional transducer, FIGS. 6 and 7 are perspective views explaining the operation of the piezoelectric film in FIG. 5, and FIG. Fig. 8 is a perspective view showing the configuration of the main parts of a conventional second transducer, Fig. 9 is an explanatory diagram showing the procedure for assembling the transducer shown in Fig. 8, and Figs. FIG. 8 is a detailed explanatory diagram of FIG. 8; 4...Reflector, 7a, 7b...Electrode, 8a, 8
b...Lead wire, 21...Holding body, 211...Plane portion, 22...Concave portion, 23...Protective film, 231...
...adhesive, 24...polymerization part, 25...chamber, 26...
...Polymer piezoelectric film, 27...Holding plate.
Claims (1)
リング状に設けられた凹部と、 前記保持体の周面の前記凹部以外の部分に巻回
固定され巻始めと巻終りとが重なり合う重合部が
前記平面部に配置され前記凹部と室を構成する２
枚重ねの保護膜と、 該２枚の保護膜の間に挟まれ前記凹部に対向し
て配置され前記凹部の前記保持体の軸方向の寸法
よりわずか前記両端部において小さな寸法を有す
る高分子圧電膜と、 前記重合部を前記保持体の前記平面部に押圧固
定する保持板と、 前記保持体の一端に頭部側が取付けられ送受信
する超音波に前記保持体の軸方向の指向性を付与
する円錐状の反射傘と を具備してなる超音波距離計の送受波器。[Claims for Utility Model Registration] A cylindrical holding body, a flat part provided on the side surface of the holding body, and a ring-shaped part provided on the peripheral surface of the holding body, leaving both ends of the flat part and the peripheral surface of the holding body. a concave portion, and an overlapping portion, which is wound and fixed to a portion of the peripheral surface of the holding body other than the concave portion and in which a winding start and a winding end overlap, are disposed in the flat portion and constitute a chamber with the concave portion;
a polymer piezoelectric material which is sandwiched between the two protective films and is disposed facing the recess and has a dimension slightly smaller at both ends than the dimension of the recess in the axial direction of the holding body; a membrane; a holding plate that presses and fixes the overlapping portion to the flat surface of the holding body; a head side is attached to one end of the holding body and imparts directivity in the axial direction of the holding body to transmitted and received ultrasonic waves; A transducer for an ultrasonic distance meter that is equipped with a conical reflector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5736790U JPH0416381U (en) | 1990-05-31 | 1990-05-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5736790U JPH0416381U (en) | 1990-05-31 | 1990-05-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0416381U true JPH0416381U (en) | 1992-02-10 |
Family
ID=31582007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5736790U Pending JPH0416381U (en) | 1990-05-31 | 1990-05-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0416381U (en) |
-
1990
- 1990-05-31 JP JP5736790U patent/JPH0416381U/ja active Pending