JPS6379514U - - Google Patents
Info
- Publication number
- JPS6379514U JPS6379514U JP17355986U JP17355986U JPS6379514U JP S6379514 U JPS6379514 U JP S6379514U JP 17355986 U JP17355986 U JP 17355986U JP 17355986 U JP17355986 U JP 17355986U JP S6379514 U JPS6379514 U JP S6379514U
- Authority
- JP
- Japan
- Prior art keywords
- common movable
- movable electrode
- support system
- fixed
- square wave
- 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
- 238000001514 detection method Methods 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 claims 1
- 239000000696 magnetic material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000012212 insulator Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Description
図面は本考案の一実施例を示すもので、第１図
は本考案装置の横断側面図、第２図及び第３図は
第１図の―線及び―線断面図、第４図は
本考案装置の要部の分解斜視図、第５図は電気回
路図、第６図は電気回路の各部出力波形図、第７
図は差動増幅回路の出力電圧と対象物の傾斜状態
との関係線図である。
Ｃ１，Ｃ２，Ｃ３……静電容量、Ｓ……傾斜状
態検知装置、２……支持系としてのブラケツト板
、７……共通電極を兼ねた検知体としての振子、
１３……第１固定電極板を兼ねた永久磁石、１５
……絶縁体、１９，２０……第２、第３固定電極
板、２１，２２……第１、第２容量―パルス列変
換回路、２３……矩形波発振器、２５，２６……
第１、第２パルス列―電圧変換回路、２７……差
動増幅回路、３２……Ｃ１及びＣ２またはＣ３と
協働して積分回路を構成する抵抗。
The drawings show one embodiment of the present invention, and FIG. 1 is a cross-sectional side view of the device of the present invention, FIGS. 2 and 3 are cross-sectional views taken along lines - and - of FIG. 1, and FIG. Figure 5 is an electric circuit diagram, Figure 6 is an output waveform diagram of each part of the electric circuit, and Figure 7 is an exploded perspective view of the main parts of the devised device.
The figure is a relationship diagram between the output voltage of the differential amplifier circuit and the tilt state of the object. C 1 , C 2 , C 3 ... capacitance, S ... tilt state detection device, 2 ... bracket plate as a support system, 7 ... pendulum as a detection body that also serves as a common electrode,
13...Permanent magnet that also serves as the first fixed electrode plate, 15
... Insulator, 19, 20 ... Second and third fixed electrode plates, 21, 22 ... First and second capacitance-pulse train conversion circuit, 23 ... Square wave oscillator, 25, 26 ...
First and second pulse train--voltage conversion circuits, 27...differential amplifier circuit, 32...resistors that cooperate with C1 and C2 or C3 to form an integration circuit.
Claims (1)
傾斜に応じて変位し得るように設けられた検知体
と、この検知体に設けられた共通可動電極と、こ
の共通可動電極に一定の空隙を存して対向して支
持系に接地固定され、且つ共通可動電極との対向
面積を検知体の変位に拘らず不変とする第１固定
電極と、前記共通可動電極にそれぞれ一定の空隙
を存して対向して支持系に絶縁固定され、且つ共
通可動電極との対向面積が検知体の変位に伴い互
いに反対に増減する第２及び第３固定電極と、こ
れら第２及び第３固定電極に対応して設けられる
第１及び第２矩形波発振器と、この第１矩形波発
振器の出力を、前記共通可動電極と第１及び第２
固定電極との各間の合成静電容量を利用して積分
する第１積分回路と、第２矩形波発振器の出力を
、前記共通可動電極と第１及び第３固定電極との
各間の合成静電容量を利用して積分する第２積分
回路と、第１及び第２積分回路の出力を差動増幅
する差動増幅回路とを備え、その差動増幅回路か
ら支持系の傾斜に応じた出力電圧を得るようにし
たことを特徴とする、傾斜状態検知装置。 A support system made of a magnetic material, a detection body provided on this support system so as to be able to be displaced according to the inclination of the support system, a common movable electrode provided on this detection body, and a fixed gap between the common movable electrodes. a first fixed electrode that is grounded and fixed to the support system and facing the common movable electrode, and whose area facing the common movable electrode remains unchanged regardless of displacement of the sensing body; second and third fixed electrodes that are insulated and fixed to the support system facing each other, and whose opposing areas with the common movable electrode increase and decrease oppositely to each other as the sensing body is displaced; First and second square wave oscillators are provided correspondingly, and the output of the first square wave oscillator is connected to the common movable electrode and the first and second square wave oscillators.
A first integrating circuit integrates the outputs of the second square wave oscillator using the combined capacitance between the common movable electrode and the first and third fixed electrodes. It is equipped with a second integrating circuit that integrates using capacitance, and a differential amplifier circuit that differentially amplifies the outputs of the first and second integrating circuits. A tilt state detection device characterized in that an output voltage is obtained.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17355986U JPS6379514U (en) | 1986-11-12 | 1986-11-12 | |
| US07/090,281 US4811492A (en) | 1986-08-29 | 1987-08-28 | Cant angle sensor assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17355986U JPS6379514U (en) | 1986-11-12 | 1986-11-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6379514U true JPS6379514U (en) | 1988-05-26 |
Family
ID=31111132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17355986U Pending JPS6379514U (en) | 1986-08-29 | 1986-11-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6379514U (en) |
-
1986
- 1986-11-12 JP JP17355986U patent/JPS6379514U/ja active Pending