JPH084565Y2 - Capacitive tilt sensor assembly structure - Google Patents
Capacitive tilt sensor assembly structureInfo
- Publication number
- JPH084565Y2 JPH084565Y2 JP1990001376U JP137690U JPH084565Y2 JP H084565 Y2 JPH084565 Y2 JP H084565Y2 JP 1990001376 U JP1990001376 U JP 1990001376U JP 137690 U JP137690 U JP 137690U JP H084565 Y2 JPH084565 Y2 JP H084565Y2
- Authority
- JP
- Japan
- Prior art keywords
- differential
- electrode
- common electrode
- electrodes
- tilt sensor
- 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.)
- Expired - Lifetime
Links
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- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Description
【考案の詳細な説明】 「産業上の利用分野」 本考案は、静電容量式傾斜センサの組立構造に関する
ものである。DETAILED DESCRIPTION OF THE INVENTION "Industrial Application Field" The present invention relates to an assembly structure of a capacitance type tilt sensor.
「従来の技術」 第４図及び第５図は、従来の技術による静電容量式傾
斜センサの断面図で、第６図はその要部の分解斜視図で
ある。"Prior Art" FIGS. 4 and 5 are cross-sectional views of a capacitance type tilt sensor according to the prior art, and FIG. 6 is an exploded perspective view of a main part thereof.
1,2は同一平面上に分割して設けた差動電極で、接続
端子1a,2aを有している。Reference numerals 1 and 2 are differential electrodes provided separately on the same plane, and have connection terminals 1a and 2a.
差動電極1,2の両側には間隔板5,6がそれぞれ重合さ
れ、間隔板5,6には円形の欠除部5a,6aが設けられてい
る。Spacers 5 and 6 are overlapped on both sides of the differential electrodes 1 and 2, respectively, and the space plates 5 and 6 are provided with circular notches 5a and 6a.
間隔板5,6の外側には共通電極3,4がそれぞれ重合さ
れ、共通電極3,4には接続端子3a,4aが設けられている。The common electrodes 3 and 4 are superposed on the outer sides of the spacing plates 5 and 6, respectively, and the common electrodes 3 and 4 are provided with connection terminals 3a and 4a.
共通電極3,4の外側には絶縁板7,8が重合され、さらに
外側に高周波回路や外部ノイズに対する静電シールドを
行なうシールド板9,10がそれぞれ重合されている。Insulating plates 7 and 8 are superposed on the outer sides of the common electrodes 3 and 4, and shield plates 9 and 10 for electrostatically shielding high frequency circuits and external noise are superposed on the outer sides, respectively.
この差動電極1,2、間隔板5,6、共通電極3,4、絶縁板
7,8、シールド板9,10の重合体はリベット（図示せず）
にて締付固定され、さらに液もれしないようにシリコン
ゴムあるいはエポキシ樹脂等の接着剤で周囲を封止して
いる。These differential electrodes 1, 2, spacing plates 5, 6, common electrodes 3, 4, insulating plates
Polymers of 7,8 and shield plates 9,10 are rivets (not shown)
Is fixed by tightening and is sealed with an adhesive such as silicone rubber or epoxy resin so as not to leak liquid.
間隔板5,6の欠除部5a,6aにはシリコンオイル等の誘電
性液体11が欠除部5a,6aの容積のほぼ1/2注入されてい
る。Dielectric liquid 11 such as silicon oil is injected into the cutout portions 5a and 6a of the spacing plates 5 and 6 in approximately half the volume of the cutout portions 5a and 6a.
12は静電容量変化を直流電圧に変換するＣ−Ｖ変換回
路基板で、差動電極1,2、共通電極3,4およびシールド板
9,10の各接続端子1a,2a,3a,4a,9a,10aが接続され、共通
電極端子3a,4aおよびシールド板端子9a,10aは基板内で
それぞれ並列接続されている。12aは誘電性液体11の注
入口でゴム栓１が嵌め込まれている。Reference numeral 12 is a C-V conversion circuit board that converts a change in electrostatic capacity into a DC voltage. The differential electrodes 1 and 2, the common electrodes 3 and 4, and a shield plate.
The connection terminals 1a, 2a, 3a, 4a, 9a, 10a of 9, 10 are connected, and the common electrode terminals 3a, 4a and the shield plate terminals 9a, 10a are connected in parallel in the substrate, respectively. Reference numeral 12a is an injection port for the dielectric liquid 11, into which the rubber stopper 1 is fitted.
ゴム栓13には温度変化による容器内の圧力変化を吸収
するダンパー13aが設けられている。The rubber stopper 13 is provided with a damper 13a that absorbs a pressure change in the container due to a temperature change.
14は外来ノイズ等を静電シールドするシールド板で接
続端子14aを有している。Reference numeral 14 is a shield plate that electrostatically shields external noise and the like, and has a connection terminal 14a.
15は発信回路、差動増幅回路等を搭載する信号処理基
板、16はベース、17はカバーである。Reference numeral 15 is a signal processing board on which an oscillator circuit, a differential amplifier circuit, etc. are mounted, 16 is a base, and 17 is a cover.
次に動作について説明すると、傾斜センサが傾斜する
と、差動電極1,2に対して誘電性液体11の液面レベルが
相対的に変化するため、共通電極3,4と差動電極1,2間の
静電容量変化はＣ−Ｖ変換回路基板12で直流電圧変化に
変換されるので、静電容量の変化量に比例した直流出力
電圧を得て傾斜角度を検出することができるように構成
されている。Next, the operation will be described. When the tilt sensor tilts, the liquid surface level of the dielectric liquid 11 changes relative to the differential electrodes 1 and 2, so that the common electrodes 3 and 4 and the differential electrodes 1 and 2 Since the change in capacitance between the two is converted into a change in DC voltage by the C-V conversion circuit board 12, it is possible to obtain a DC output voltage proportional to the amount of change in capacitance to detect the tilt angle. Has been done.
「考案が解決しようとする問題点」 しかしながら、上述した従来の技術では、静電性液体
11を封入する密閉容器とするために、部品点数が多く、
多数の接合部分を有しているために、密封容器とするこ
とがむずかしいとともに、小形で高感度、しかも安価な
静電容量式傾斜センサを提供することができないという
問題点があった。“Problems to be solved by the device” However, in the above-mentioned conventional technique, the electrostatic liquid is used.
Since it is a closed container that encloses 11, there are many parts,
Since it has a large number of joints, it is difficult to form a sealed container, and there is a problem in that it is not possible to provide a small-sized, highly sensitive and inexpensive electrostatic capacitance type inclination sensor.
「問題点を解決するための手段」 そのため本考案は、同一平面上に分割して設けた差動
電極と、内側に欠除部を有する間隔板を介して、平板状
に構成した複数の共通電極を対向するように配置し、上
記複数の共通電極と上記間隔板で構成される空間部内に
誘電性液体を封入した静電容量式傾斜センサにおいて、
上記一対の差動電極と上記間隔板を一体に成形した差動
電極モールド部を、プリント配線基板上に成形した一方
の共通電極と他方の共通電極板で重合するようにしたも
のである。[Means for Solving Problems] Therefore, according to the present invention, a plurality of common electrodes configured in a flat plate shape are provided via a differential electrode dividedly provided on the same plane and a spacing plate having a cutout portion inside. Electrodes are arranged so as to face each other, and in a capacitance type tilt sensor in which a dielectric liquid is sealed in a space formed by the plurality of common electrodes and the spacing plate,
The differential electrode mold part in which the pair of differential electrodes and the spacing plate are integrally molded is superposed on one common electrode and the other common electrode plate molded on the printed wiring board.
「実施例」 第１図は本考案の原理を示す静電容量式傾斜センサの
断面図で、第２図はその要部の分解斜視図である。[Embodiment] FIG. 1 is a sectional view of a capacitance type inclination sensor showing the principle of the present invention, and FIG. 2 is an exploded perspective view of the main part thereof.
20はプリント配線基板で、共通電極21,信号処理回路2
3が設けられている。20 is a printed wiring board, a common electrode 21, a signal processing circuit 2
Three are provided.
共通電極21にはリベットかしめ用穴21a〜21dおよび誘
電性液体注入口22が設けられ、スルーホールメッキ処理
によって表面のラウンドと電気的に接続されている。The common electrode 21 is provided with rivet caulking holes 21a to 21d and a dielectric liquid injection port 22 and is electrically connected to the round surface by a through hole plating process.
信号処理回路23と共通電極21および差動電極端子接続
用穴23a,23bはプリント配線基板上で電気的に接続され
ている。The signal processing circuit 23, the common electrode 21, and the differential electrode terminal connection holes 23a and 23b are electrically connected on the printed wiring board.
24は接続端子25a,26aを有する差動電極25,26を同一平
面上に一体に形成した差動電極モールドで、その中央に
は差動電極25,26が露出するように形成した円形の欠除
部24e,24fを設けている。また、差動電極モールド24の
四隅にはリベットかしめ用穴24a〜24dが設けられ、差動
電極25,26とリベット28a〜28dが直接接触しないように
構成されている。Reference numeral 24 is a differential electrode mold in which differential electrodes 25, 26 having connection terminals 25a, 26a are integrally formed on the same plane, and a circular cutout formed in the center thereof so that the differential electrodes 25, 26 are exposed. Removal parts 24e and 24f are provided. Further, rivet caulking holes 24a to 24d are provided at four corners of the differential electrode mold 24 so that the differential electrodes 25 and 26 and the rivets 28a to 28d do not come into direct contact with each other.
27は共通電極板で、その四隅にはリベットかしめ用穴
27a〜27dが設けられている。27 is a common electrode plate, with rivet caulking holes in its four corners
27a to 27d are provided.
そして、プリント配線基板20に設けた共通電極21に、
差動電極モールド24及び共通電極板27を重合し、リベッ
ト28a〜28dで強固に固着されるとともに、共通電極21と
共通電極板27を電気的に接続する。さらに液もれしない
ようにウレタンゴムあるいはエポキシ樹脂等の接着剤で
周囲を封止している。Then, on the common electrode 21 provided on the printed wiring board 20,
The differential electrode mold 24 and the common electrode plate 27 are polymerized and firmly fixed by the rivets 28a to 28d, and the common electrode 21 and the common electrode plate 27 are electrically connected. Furthermore, the periphery is sealed with an adhesive such as urethane rubber or epoxy resin so as not to leak liquid.
差動電極モールド24に設けた欠除部24e,24fにはシリ
コーンオイル等の誘電性液体29をプリント配線板20に設
けた誘電性液体注入口22から欠除部24e,24fの容積のほ
ぼ1/2注入した後、誘電性液体注入口22を半田付けで封
止する。The cutouts 24e, 24f provided in the differential electrode mold 24 are filled with a dielectric liquid 29 such as silicone oil from the dielectric liquid injection port 22 provided in the printed wiring board 20 and the volume of the cutouts 24e, 24f is approximately 1 After injecting / 2, the dielectric liquid injection port 22 is sealed by soldering.
30,31はシールド板で、プリント配線基板20のグラン
ドと電気的に接続されており、シールド板30,31内外の
影響による特性変動を防止している。Numerals 30 and 31 are shield plates, which are electrically connected to the ground of the printed wiring board 20 and prevent characteristic variations due to the inside and outside of the shield plates 30 and 31.
32はベース、33はカバーである。 32 is a base and 33 is a cover.
動作については、従来と同様に、傾斜センサが傾斜す
ると、差動電極25,26に対して誘電性液体29の液面レベ
ルが相対的に変化するため、共通電極21,共通電極板27
と差動電極25,26間の静電容量変化は信号処理回路23で
直流電圧変化に変換されるので、静電容量の変化量に比
例した直流出力電圧を得て傾斜角度を検出することがで
きるように構成されている。Regarding the operation, as in the conventional case, when the tilt sensor is tilted, the liquid level of the dielectric liquid 29 changes relative to the differential electrodes 25 and 26, so that the common electrode 21, the common electrode plate 27
Since the capacitance change between the differential electrodes 25 and 26 is converted into a DC voltage change by the signal processing circuit 23, it is possible to obtain the DC output voltage proportional to the amount of change in the capacitance and detect the tilt angle. It is configured to be able to.
第３図は本考案による実施例を示す要部の分解斜視図
である。FIG. 3 is an exploded perspective view of essential parts showing an embodiment according to the present invention.
20′はプリント基板20と同様に構成されたプリント基
板で、そのプリント基板上に構成される配線パターンが
一部変更されたものである。Reference numeral 20 'is a printed circuit board configured in the same manner as the printed circuit board 20, in which the wiring pattern formed on the printed circuit board is partially changed.
24′は差動電極モールド24と同様に構成された差動電
極モールドである。24 'is a differential electrode mold having the same structure as the differential electrode mold 24.
34は共通電極板で、その四隅にはリベットかしめ用穴
34a〜34dが、中央には一対の貫通穴34e,34fが、さらに
接続端子34gが設けられている。34 is a common electrode plate, and rivet caulking holes at its four corners
34a to 34d, a pair of through holes 34e and 34f in the center, and a connection terminal 34g.
そして、プリント配線基板20′に設けた共通電極21
に、差動電極モールド24′，共通電極34,差動電極モー
ルド24,共通電極板27を重合し、リベット28a〜28dで固
定している。このように構成した静電容量式傾斜センサ
は傾斜角度に対する静電容量の変化を大きくすることが
できるので、高感度に傾斜を検出することができる。Then, the common electrode 21 provided on the printed wiring board 20 '
The differential electrode mold 24 ', the common electrode 34, the differential electrode mold 24, and the common electrode plate 27 are superposed on each other and fixed by rivets 28a to 28d. Since the capacitance type inclination sensor configured as described above can increase the change in capacitance with respect to the inclination angle, the inclination can be detected with high sensitivity.
「考案の効果」 以上説明したように本考案によれば、従来の構造に比
して部品点数が少なく、しかも簡単な構造であるので、
小形でしかも安価な静電容量式傾斜センサの組立構造を
提供することができる。[Advantage of Invention] As described above, according to the present invention, the number of parts is smaller than that of the conventional structure and the structure is simple.
It is possible to provide a small and inexpensive assembly structure of a capacitance type tilt sensor.
第１図は本考案の原理を示す静電容量式傾斜センサの断
面図で、第２図はその要部の分解斜視図、第３図は本考
案による実施例を示す要部の分解斜視図、第４図及び第
５図は、従来の技術による静電容量式傾斜センサの断面
図で、第６図はその要部の分解斜視図である。 1,2,25,26……差動電極、3,4,21,34……共通電極、5,6
……間隔板、7,8……絶縁板、9,10……シールド板、11,
29……誘電性液体、12……Ｃ−Ｖ変換回路基板、13……
ゴム栓、14……シールド板、15……信号処理基板、16,3
2……ベース、17,33……カバー、20,20′……プリント
配線基板、22……誘電性液体注入口、23……信号処理回
路、24,24′……差動電極モールド、27……共通電極
板、28a〜28d……リベット、30,31……シールド板、FIG. 1 is a sectional view of a capacitance type inclination sensor showing the principle of the present invention, FIG. 2 is an exploded perspective view of an essential part thereof, and FIG. 3 is an exploded perspective view of an essential part showing an embodiment according to the present invention. , FIG. 4 and FIG. 5 are cross-sectional views of a capacitance type inclination sensor according to the prior art, and FIG. 6 is an exploded perspective view of the main part thereof. 1,2,25,26 …… Differential electrodes, 3,4,21,34 …… Common electrodes, 5,6
…… Spacing plate, 7,8 …… Insulation plate, 9,10 …… Shield plate, 11,
29 …… Dielectric liquid, 12 …… C-V conversion circuit board, 13 ……
Rubber stopper, 14 ... Shield plate, 15 ... Signal processing board, 16,3
2 ... Base, 17, 33 ... Cover, 20, 20 '... Printed wiring board, 22 ... Dielectric liquid injection port, 23 ... Signal processing circuit, 24, 24' ... Differential electrode mold, 27 ...... Common electrode plate, 28a to 28d …… Rivets, 30,31 …… Shield plate,
Claims (1)
該差動電極に対し一定の間隔を保ってその両側面に対向
配置するようにした平板状の共通電極と、上記複数の共
通電極間で構成される空間部内に誘電性液体を封入した
静電容量式傾斜センサにおいて、内側に貫通した欠除部
を有して上記一対の差動電極がそれぞれ上記欠除部から
均等に露出するように成形した差動電極モールド部を複
数設け、該複数設けた差動電極モールド部間に、中央部
に貫通穴を設けた共通電極を配設して重合し、一方の側
面の差動電極側にはプリント配線基板上に成形した他の
共通電極を、他方の側面の差動電極側にはさらに他の共
通電極を重合させ、上記欠除部に該誘電性液体を封入す
るようにしたことを特徴とする静電容量式傾斜センサの
組立構造1. A differential electrode provided separately on the same plane,
A flat plate-shaped common electrode arranged to face both sides of the differential electrode at a constant interval, and an electrostatic liquid containing a dielectric liquid in a space formed between the plurality of common electrodes. In the capacitive tilt sensor, a plurality of differential electrode mold parts are provided, each having a notched part penetrating inward so that the pair of differential electrodes are evenly exposed from the notched part. Between the differential electrode mold parts, a common electrode having a through hole in the central part is arranged and polymerized, and on the differential electrode side of one side, another common electrode molded on the printed wiring board, Another common electrode is further polymerized on the side of the differential electrode on the other side, and the dielectric liquid is sealed in the cutout portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990001376U JPH084565Y2 (en) | 1990-01-11 | 1990-01-11 | Capacitive tilt sensor assembly structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990001376U JPH084565Y2 (en) | 1990-01-11 | 1990-01-11 | Capacitive tilt sensor assembly structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0393716U JPH0393716U (en) | 1991-09-25 |
| JPH084565Y2 true JPH084565Y2 (en) | 1996-02-07 |
Family
ID=31505287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990001376U Expired - Lifetime JPH084565Y2 (en) | 1990-01-11 | 1990-01-11 | Capacitive tilt sensor assembly structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH084565Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4909624B2 (en) * | 2006-04-21 | 2012-04-04 | 株式会社三洋化成 | Cutting board |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6059906U (en) * | 1983-09-30 | 1985-04-25 | 株式会社 大興電機製作所 | capacitive tilt sensor |
| JPH0511453Y2 (en) * | 1987-12-04 | 1993-03-22 |
-
1990
- 1990-01-11 JP JP1990001376U patent/JPH084565Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0393716U (en) | 1991-09-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |