Capacitive balance leveling device

Capacitive balance leveling device

Sensing apparatus

Liquid level detector

A liquid level detector for use in a pump control system comprises a chamber (20) for liquid, a liquid inlet (6) to the chamber (20), a liquid outlet (7) from the chamber and connectable to a pump, and a capacitive sensor comprising mutually spaced capacitive sensor elements (21, 22; 22, 23) forming a capacitance which is sensitive to permittivity within a region of the chamber proximate the capacitive sensor. The chamber is defined at least partially by a barrier member 25 and the capacitive sensor elements are provided on the barrier member outside the chamber.

Electrostatic capacitance tilt angle sensor

An electrostatic capacitance tilt angle sensor having a size that is reduced without lowering detection capacity. The sensor is provided with a case including a first wall and a second wall facing each other. A common electrode is arranged on the first wall and a differential electrode is arranged on the second wall. A liquid electrostatic capacitance medium is accommodated in the case and contacts the common electrode and the differential electrode. The electrostatic capacitance medium includes an insulative liquid base and fine particles mixed in the base. The fine particles have a dielectric constant that is higher than that of the base.

Inclination meter, especially for geotechnical applications

The inclination meter measures inclination in two mutually perpendicular axes. It contains a measurement cell with two inclination components consisting of two electrodes for x-axis measurement, two electrodes for y-axis measurement and a central electrode. The electrodes are partly enclosed by a liquid of high dielectric constant and partly by a gas or other liquid with a high dielectric constant. The measurement cell capacitance is measured at programmed time intervals to indicate inclination. The average of several measurements is calculated after temperature compensation, digitized, stored and transmitted or read out as required. Power can be supplied by a battery or with cables.

Capacitance balance bubble levelling device

The present invention relates (with reference to Figure 2A) to a levelling system comprising a bubble chamber (e.g. 29) enclosing a fluid (42) and defining a bubble (43) therein; an upper capacitor plate (e.g. 32) contacting at least a portion of said fluid (42); a first capacitor plate (e.g.34) contacting said fluid (42) and disposed in a substantially parallel relationship with said upper capacitor plate (32) a second capacitor plate (e.g. 36) contacting said fluid (42) and disposed in a substantially parallel relationship with said upper capacitor plate (32) coaxial with said first capacitor plate (34); a third capacitor plate (e.g. 38) contacting said fluid (42) and disposed in a substantially parallel relationship with said upper capacitor plate (32); a fourth capacitor plate (e.g. 40) contacting said fluid (42) and disposed in a substantially parallel relationship with said upper capacitor plate (32) coaxial with said third capacitor plate (38); wherein movement of said bubble (43 ...

Liquid level detector

A liquid level detector for use in a pump control system comprises a chamber 20 for liquid, a liquid inlet 6 to the chamber 20, a liquid outlet 7 from the chamber and connectable to a pump, and a capacitive sensor comprising mutually spaced capacitive sensor elements (first capacitive sensor 21, 22; second capacitive sensor 22, 23) forming a capacitance which is sensitive to permittivity within a region of the chamber proximate the capacitive sensor. The chamber is defined at least partially by a barrier member 25 and the capacitive sensor elements are provided on the barrier member outside the chamber. The capacitive sensor elements may each form a ring around the chamber. An electronic controller may be provided configured to generate a pump control signal by comparison of the output signal from the first and second capacitive sensors in order to control the pump in response to the liquid level independently of the orientation / inclination of the chamber. The capacitive sensor may form ...

Device for generating electrical signal corresponding to change in position or posture

[Problem] To provide a compact device for generating an electrical signal corresponding to a change in position or posture, which can be used in such as posture control of a ship, a motor vehicle, aircraft, or the like, and detection of action or posture of various parts of a human body. [Means for Resolution] A device for generating an electrical signal corresponding to a change in posture includes: a container which is formed of an electrical insulating material and is fixed to an electrode holder formed of an electrical insulating material and in which a fluid dielectric is sealed with a volume ratio sufficient to have an angle of inclination with respect to a free surface of the fluid dielectric; a plurality of pairs of peripheral electrodes disposed at positions which are symmetrical about a central point of a cross section of the container at a predetermined interval with an inner peripheral surface of the container; and a pair of counter electrodes which are electrically insulated from each other and are respectively disposed at an upper surface of the electrode holder which serves as a bottom of the container and at a lower surface of a ceiling of the container at the central point of the cross section of the container, a voltage being applied to the pair of counter electrodes.

Capacitive inclination sensor has pair of differential electrodes arranged in vertical direction relatively to fluid surface level

Changes in an electrostatic capacitance related to a fluid surface level corresponds to an inclination angle in a dielectric fluid in the airtight container. A pair of differential electrodes (21a,21b) is arranged in vertical direction relatively to the fluid surface level.

Liquid level detector

CAPACITYIVE SENSOR FOR MEASURING OF INCLINATION

This invention relates to a capacity sensor for measuring of inclination wherein such an inside electrode plate that it has guard-ring electrode in the circumference and also forms each couple of semicircular type inside electrode symmetrically in the front and rear of printing circuit plate is fixed to the center of metal ring for supporting an electrode, and an outside electrode having a guarding electrode in the circumference is placed against the inside electrode as such and also it is separated and fixed by designated distance for the inside electrode plate both sides of metal ring for supporting an electrode thereafter, the sensor structure is comprised by pouring liquid transmission display between inside electrode plate and outside electrode plate, and inside electrode and outside electrode is separated into a couple because liquid transmission display caused by inclination of the sensor is flown, whereby it can be measured an inclination on a basis of the change of electricity ...

Liquid level state detection apparatus and fuel cell system

A liquid level state detection apparatus 10 includes a float portion 20 which is guided by a guide rod 45 erected in a liquid storage tank 1 for storing a liquid 2, and which enables the float to move in a vertical direction, and a pair of electrode portions 30 which are fixed integrally to the float portion 20, and which are disposed opposite each other in the vertical direction. A space defined between the upper electrode plate 31 and the lower electrode plate 32 is opened outwards via a plurality of window portions 36, so that the liquid 2 stored in the liquid storage tank 1 and air inside the liquid storage tank 1 are allowed to enter and exit from the space freely. A stopper 46 is provided at a lower portion of the guide rod 45. If the amount of liquid is greater than a predetermined amount then liquid 2 fills the space between the electrode plates, fig. 2. If the level is lower than stopper 46, the space between the electrode plates is exposed to air. If the tank is inclined the space ...

Liquid level detector

Liquid level and inclination detection apparatus and fuel cell system comprising the apparatus

Inclination sensor

An electronic inclination sensor is provided for the determination and display of surface inclination and the direction of such inclination. The information regarding the inclination and direction of inclination can be displayed such that an end user can readily and easily comprehend and use the information without additional interpretation. Further, when the inclination is displayed in decimal values, a large range of inclination angles can be displayed with significant accuracy.

DEVICE FOR GENERATING ELECTRICAL SIGNAL CORRESPONDING TO LOCATION/ATTITUDE CHANGE

PROBLEM TO BE SOLVED: To provide a compact device capable of being used for the attitude control of ships, cars, aircraft, etc., the detection of the movement/attitude of each human body region etc. and generating electrical signals corresponding to location/attitude changes. SOLUTION: The device for generating electrical signals corresponding to location/attitude changes comprises a container made of an electrical insulation material which is fixed to an electrode holding body made of an electrical insulation material and in which a liquid dielectric is sealed at a volume ratio sufficient for having its free surface and an angle of inclination; a plurality of groups of outer circumferential electrodes arranged at locations symmetrical to the center point of a cross section of the container at prescribed intervals from the inner circumferential surface of the container; and counter electrodes which are electrically insulated from each other and arranged at the center point of the cross ...

Liquid level state detection apparatus and fuel cell system

Capacitive sensor for measuring of inclination

Liquid level detector

A liquid level detector for use in a pump control system comprises a chamber (20) for liquid, a liquid inlet (6) to the chamber (20), a liquid outlet (7) from the chamber and connectable to a pump, and a capacitive sensor comprising mutually spaced capacitive sensor elements (21, 22; 22, 23) forming a capacitance which is sensitive to permittivity within a region of the chamber proximate the capacitive sensor. The chamber is defined at least partially by a barrier member 25 and the capacitive sensor elements are provided on the barrier member outside the chamber.

CAPACITANCE TYPE INCLINATION SENSOR

PURPOSE: A capacitance type inclination sensor is provided to accurately measure tilt of a structure by preventing changes of capacitance between inner electrodes and outer electrodes, while allowing the tilt measurement range to be selected. CONSTITUTION: A capacitance type inclination sensor comprises a cylindrical electrode supporting metal ring(3); an inner electrode disk(1) fixed at the center of the electrode supporting metal ring, in such a manner that the inner electrode disk is perpendicular to the lengthwise direction of the electrode supporting metal ring, wherein the inner electrode disk has semi-circular inner electrodes(11a,11b,16a,16b) arranged at both sides of the inner electrode disk; outer electrode disks(2,4) fixed to both sides of the electrode supporting metal ring, in such a manner that the outer electrode disks area spaced apart from the inner electrode disk, wherein outer electrode disks have outer electrodes(24,41), respectively; a liquid dielectric material filling ...

A by the sliding plate inclination angle measurement monitoring device and monitoring method thereof

本发明公开了一种受电弓碳滑板倾角测量监控装置，包括安装在机车驾驶室内的处理模块、显示模块、中央处理单元和报警模块，所述处理模块将碳滑板倾角测量装置测量到的数据信息处理后传递给中央处理单元，并显示在显示模块上供司机查看，所述中央处理单元根据测量信息控制报警模块报警，所述碳滑板倾角测量装置包括固定安装在碳滑板的下表面上的绝缘测量筒和固定安装在绝缘测量筒内的液位传感器。有益效果在于：本发明所述的一种受电弓碳滑板倾角测量监控装置及其监测方法能够实现准确检测碳滑板是否发生倾斜，不受受电弓旋转的影响，有效保证监测数据的准确可靠，实用性好。

Tilt sensor

A tilt angle sensor is disclosed that is capable of detecting whether a tilt angle of a reference plane exceeds a predetermined value by means of only one threshold value. Although only one threshold value is used, the tilt angle can be measured with respect to either a clockwise or a counterclockwise direction from the untilted state. A pair of differential electrodes electrically independent of each other are formed in a shape symmetric with respect to upper and lower sections of a printed circuit board. A common electrode plate is mounted opposed to the pair of differential electrodes with a predetermined gap therebetween. The pair of differential electrodes and the common electrode is stored in a closed space formed by the printed circuit board and an oil case. A dielectric liquid is filled into the closed space in such a way that the level of the liquid varies according to the tilt of the reference plane. An output signal corresponding to the difference in capacity between two capacitors ...

Capacitive based gravity sensor

An improved inclination sensor in which electrically conductive elements are fabricated onto one or both surfaces of a flat plate. The plate comprising discrete, isolated sector sections having a distinct electrically conductive regions is oriented in a substantially vertical plane. The plate has an axis which lies in a horizontal plane and which is substantially perpendicular to the plate so that the plate may tilt about the axis. The plate is encased within a sealed chamber occupied by a fluid having electrical properties. In one embodiment a dielectric fluid occupies a first portion of a chamber and has a dielectric constant greater than that of a gas which occupies a second portion of the sealed chamber. The fluid flows in response to a change in the tilt of the sealed chamber and the plate. In a second embodiment a capacitive fluid changes the capacitance between the distinct electrically conductive regions of each section of the plate. By determining the capacitance between the electrically ...

DEVICE FOR GENERATING ELECTRICAL SIGNAL CORRESPONDING TO CHANGE IN POSITION OR POSTURE

A device for generating an electrical signal corresponding to a change in posture comprising, a container which is formed of an electrical insulating material and is fixed to an electrode holder formed of an electrical insulating material and in which a fluid dielectric is sealed; a plurality of pairs of peripheral electrodes disposed at positions which are symmetrical about a central point of a cross section of the container at a predetermined interval with an inner peripheral surface of the container; and a pair of counter electrodes which are electrically insulated from each other and are respectively disposed at an upper surface of the electrode holder which serves as a bottom of the container and at a lower surface of a ceiling of the container at the central point of the cross section of the container; a voltage being applied to the pair of container electrodes.

Tilting detector

This invention is to provide a tilting detector which, by a critical value and having nothing to do with counterclockwise or clockwise direction can detect out whether, from a non-tilting status, tilting angle is over a certain value. On a printed substrate 21, an area separated by a surface that is parallel to a basis surface and by a cross line L2 of the printed substrate installs a pair of differential electrodes 22a, 22b that are electrically independent in the cross line L2 as a symmetric axis so as to form a linear symmetric shape and installs in a cross line L1 that is perpendicular to the basis surface and that is cross line L1. There are installed with a pair of relative common electrode plates 23 in a predetermined gap for the differential electrodes. The pairs of the differential electrodes and the common electrode plates are accommodated in a sealing chamber formed between the printed substrate. In the sealing chamber, the fluid surface changes based on tilting of the basis ...

ELECTROSTATIC CAPACITOR-TYPE INCLINATION SENSOR

To provide an electrostatic capacitor-type sensor that does not require regulation such as zero-point adjustment and temperature compensation, etc. A pair of semi-circular differential electrodes are positioned next to each other in the vertical direction with a common electrode arranged so as to face the differential electrodes, with a fixed gap therebetween. The pair of differential electrodes and the common electrode are housed within an airtight container, and a dielectric fluid is sealed within the airtight container. The differential electrode on an upper side and the common electrode form an upper variable capacitor, and the differential electrode on the lower side and the common electrode form a lower variable capacitor.

Motion sensors

A motion sensor device comprises a conductive cap fixed to one layer of a printed circuit board to define a volume half of which is filled with a dielectric liquid. A conductive layer on the opposite side of the printed circuit board forms with the cap a capacitor, the capacitance of which is dependent upon the location of the liquid within the cap. A motion signal is generated in response to a change of capacitance from that presented in any static orientation of the device, so long as the capacitance change exceeds a threshold and occurs within a predetermined interval.

Sensorzelle, Sensor und Verfahren zum Bereitstellen einer Sensorzelle

Eine Libelle umfasst einen Libellenkörper, wobei der Libellenkörper einen Hohlraum umschließt, der eine Flüssigkeit aufweist, die einen Teil des Hohlraums freilässt. Die Libelle umfasst eine Mehrzahl von Elektroden, von denen zumindest eine elektrisch isoliert von der Flüssigkeit angeordnet ist, und die so angeordnet sind, dass eine mit der Mehrzahl von Elektroden erfassbare elektrische Kapazität basierend auf einer Position des Teils in dem Libellenkörper veränderlich ist.

Motion sensors

A motion sensor device comprises a conductive cap (8) fixed to one layer of a printed circuit board (4) to define a volume half of which is filled with a dielectric liquid (16). A conductive layer on the opposite side of the printed circuit board forms with the cap a capacitor, the capacitance of which is dependent upon the location of the liquid within the cap. A motion signal is generated in response to a change of capacitance from that presented in any static orientation of the device, so long as the capacitance change exceeds a threshold and occurs within a predetermined interval.

Capacitive based gravity sensor

An improved inclination sensor in which electrically conductive elements are fabricated onto one or both surfaces of a flat plate. The plate comprising discrete, isolated sector sections having a distinct electrically conductive regions is oriented in a substantially vertical plane. The plate has an axis which lies in a horizontal plane and which is substantially perpendicular to the plate so that the plate may tilt about the axis. The plate is encased within a sealed chamber occupied by a fluid having electrical properties. In one embodiment a dielectric fluid occupies a first portion of a chamber and has a dielectric constant greater than that of a gas which occupies a second portion of the sealed chamber. The fluid flows in response to a change in the tilt of the sealed chamber and the plate. In a second embodiment a capacitive fluid changes the capacitance between the distinct electrically conductive regions of each section of the plate. By determining the capacitance between the electrically ...

Elektrostatischer kapazitiver Neigungssensor

ELECTROSTATIC CAPACITOR-TYPE INCLINATION SENSOR

To provide an electrostatic capacitor-type sensor that does not require regulation such as zero-point adjustment and temperature compensation, etc. A pair of semi-circular differential electrodes are positioned next to each other in the vertical direction with a common electrode arranged so as to face the differential electrodes, with a fixed gap therebetween. The pair of differential electrodes and the common electrode are housed within an airtight container, and a dielectric fluid is sealed within the airtight container. The differential electrode on an upper side and the common electrode form an upper variable capacitor, and the differential electrode on the lower side and the common electrode form a lower variable capacitor.

Electrostatic capacitance tilt angle sensor

An electrostatic capacitance tilt angle sensor having a size that is reduced without lowering detection capacity. The sensor is provided with a case including a first wall and a second wall facing each other. A common electrode is arranged on the first wall and a differential electrode is arranged on the second wall. A liquid electrostatic capacitance medium is accommodated in the case and contacts the common electrode and the differential electrode. The electrostatic capacitance medium includes an insulative liquid base and fine particles mixed in the base. The fine particles have a dielectric constant that is higher than that of the base.

Inclination measuring device

The inclination measuring device is used for electrically measuring inclinations of objects, for example motor vehicles, compared with a reference plane. The device contains two plate capacitors. These are arranged in separate containers which are possibly connected to one another. The longitudinal axes of the capacitors enclose a right angle with one another. The containers are filled with an electrically non-conductive fluid which has a high dielectric constant. If the device is inclined in one or the other direction, this fluid runs high between the plates or runs away between these. This changes the capacitance of the capacitors. This is measured. It is a measure of the inclination.

Flüssigkeitspegelzustand-Erfassungsvorrichtung und Brennstoffzellensystem

Flüssigkeitspegelzustand-Erfassungsvorrichtung 10, welche einen Schwimmerabschnitt 20, welcher durch einen Führungsstab 45 geführt ist, welcher in einem Flüssigkeitsspeichertank 1 zum Speichern einer Flüssigkeit 2 aufgerichtet ist, und welchem es ermöglicht ist, sich in einer vertikalen Richtung zu bewegen, und ein Paar von Elektrodenabschnitten 30 umfasst, welche integral an dem Schwimmerabschnitt 20 befestigt sind, und welche in der vertikalen Richtung einander gegenüberliegend angeordnet sind. Die Flüssigkeitspegelzustand-Erfassungsvorrichtung 10 erfasst einen Pegel der Flüssigkeit 2 in dem Flüssigkeitsspeichertank 1 und eine Neigung des Flüssigkeitsspeichertanks 1 auf der Grundlage einer Kapazität zwischen dem Paar von Elektrodenabschnitten 30, welche sich entsprechend einer Permittivität eines Isoliermaterials ändert, welches zwischen das Paar von Elektrodenabschnitten 30 eingefügt ist. Demzufolge kann die Flüssigkeitspegelzustand-Erfassungsvorrichtung einen Pegel einer Flüssigkeit ...

Pitch sensor system

A very small pitch sensor which accurately measures angular rotation about he pitch axis while being substantially insensitive to angular rotations about the roll or yaw axes. The pitch sensor comprises a spherical cavity that is fluid filled. The fluid fill further comprises one half conductive fluid and one half dielectric fluid. The fluids are selected to be immiscible and of different densities. The inside of the spherical cavity is segmented into three surface areas for connection to an electronic circuit. The electronic circuit measures voltage differentials between the segmented surface areas which vary with the conductive fluid surface in contact with the respective segmented areas. The conductive fluid surface contact area varies with the angular rotation of the cavity and about the pitch axis.

Tilt sensor

A tilt angle sensor is disclosed that is capable of detecting whether a tilt angle of a reference plane exceeds a predetermined value by means of only one threshold value. Although only one threshold value is used, the tilt angle can be measured with respect to either a clockwise or a counterclockwise direction from the untilted state. A pair of differential electrodes electrically independent of each other are formed in a shape symmetric with respect to upper and lower sections of a printed circuit board. A common electrode plate is mounted opposed to the pair of differential electrodes with a predetermined gap therebetween. The pair of differential electrodes and the common electrode is stored in a closed space formed by the printed circuit board and an oil case. A dielectric liquid is filled into the closed space in such a way that the level of the liquid varies according to the tilt of the reference plane. An output signal corresponding to the difference in capacity between two capacitors formed by associated components is produced as a tilt detection output.

METHOD AND DEVICE FOR MEASURING DIP ANGLE OF OPPOSITELY CROSSLY PLACED PAIRED QUARTERED RING-QUARTERED CIRCLE NESTED POLAR PLATES

A method for measuring a dip angle of oppositely crossly placed paired quartered ring-quartered circle nested polar plates. An annular coplanar capacitance measuring head of a sensor unit consists of four quarter round metal plates and four quarter circular-ring-shaped metal plates, the eight metal plates are coplanar and concentric with one another, and a quarter round metal plate and a quarter circular-ring-shaped metal plate corresponding to the same sector angle form a capacitor. Two annular coplanar capacitance measuring heads are arranged on two round insulating substrates, the two round insulating substrates are used as two bottom surfaces of a cylindrical container, the cylindrical container is transversely arranged, and an insulating liquid equal to ½ volume of the cylindrical container is injected into the cylindrical container in a sealing manner. Potential leads extract potentials of the sixteen metal plates and are connected to an input end of a capacitance measuring unit, and the capacitance measuring unit is connected to a dip measuring unit. When the cylindrical container tilts, the relative positions of the two annular coplanar capacitance measuring heads and the insulating liquid are changed, and a dip angle value can be calculated by measuring the change of a capacitance value. Also disclosed is a device for measuring a dip angle of oppositely crossly placed paired quartered ring-quartered circle nested polar plates. 1. A method for measuring dip angle by way of oppositely crossly placed paired quartered ring-quartered circle nested polar plates , wherein the method comprises the following steps:(1) One round metal plate and one outer circular-ring-shaped metal plate are placed coplanar and concentric with one another, and the round metal plate and the outer circular-ring-shaped metal plate are quartered in the radial direction respectively to obtain four quarter round metal plates and four quarter circular-ring-shaped metal plates, and a quarter ...

Motion sensor

A motion sensor having an outer tubular member closed at both ends thereof and an inner tubular member, concentrically disposed within the outer tubular member, forming therein an inner chamber and with the outer tubular member forming an outer chamber surrounding the inner chamber, the inner tubular member being provided with one or more apertures in walls thereof allowing fluid flow between the inner and outer chambers. A liquid at least partially fills the inner and outer chambers providing a liquid interface therein. Operatively connected to at least one of the tubular members are devices for determining the position of the liquid interface of the liquid.

Motion sensor

A motion sensor having an outer tubular member closed at both ends thereof and an inner tubular member, concentrically disposed within the outer tubular member, forming therein an inner chamber and with the outer tubular member forming an outer chamber surrounding the inner chamber, the inner tubular member being provided with one or more apertures in walls thereof allowing fluid flow between the inner and outer chambers. A liquid at least partially fills the inner and outer chambers providing a liquid interface therein. Operatively connected to at least one of the tubular members are devices for determining the position of the liquid interface of the liquid.

LEVELING SENSOR

Motion sensor

A motion sensor having an outer tubular member closed at both ends thereof and an inner tubular member, concentrically disposed within the outer tubular member, forming therein an inner chamber and with the outer tubular member forming an outer chamber surrounding the inner chamber, the inner tubular member being provided with one or more apertures in walls thereof allowing fluid flow between the inner and outer chambers. A liquid at least partially fills the inner and outer chambers providing a liquid interface therein. Operatively connected to at least one of the tubular members are devices for determining the position of the liquid interface of the liquid.

ELECTROSTATIC CAPACITY TYPE TILT ANGLE SENSOR

【課題】性能の低下を防止しつつ小型化することができる静電容量式傾斜角センサを提供する。 【解決手段】傾斜角センサ１は、液状の静電容量媒体２３と、その静電容量媒体２３を収容するケース１１と、該ケース１１の対向内壁面に対向して設けられ、静電容量媒体２３によって浸漬された部分によりコンデンサを構成する差動電極１６ａ，１６ｂ及び共通電極１５ａとを備えている。静電容量媒体２３は、絶縁体からなる液状の基剤に、その基剤よりも高い誘電率の微粒子が混入されることにより構成されている。そして、傾斜角センサ１は、ケース１１の傾きに応じて変化するコンデンサの静電容量の変化量に基づいて傾きを検出する。 【選択図】 図１

Method and device for measuring dip angle of oppositely crossly placed paired quartered ring-quartered circle nested polar plates

A method for measuring a dip angle of oppositely crossly placed paired quartered ring-quartered circle nested polar plates. An annular coplanar capacitance measuring head of a sensor unit consists of four quarter round metal plates and four quarter circular-ring-shaped metal plates, the eight metal plates are coplanar and concentric with one another, and a quarter round metal plate and a quarter circular-ring-shaped metal plate corresponding to the same sector angle form a capacitor. Two annular coplanar capacitance measuring heads are arranged on two round insulating substrates, the two round insulating substrates are used as two bottom surfaces of a cylindrical container, the cylindrical container is transversely arranged, and an insulating liquid equal to ½ volume of the cylindrical container is injected into the cylindrical container in a sealing manner. Potential leads extract potentials of the sixteen metal plates and are connected to an input end of a capacitance measuring unit, ...

CAPACITIVE INCLINATION SENSOR

(57)【要約】 【課題】 ゼロ点調整や温度補償等の調整が不要な静電 容量式傾斜センサを提供する。 【解決手段】 半円状の一対の差動電極２１ａ，２１ｂ が垂直方向に隣接配置され、これと対向するように、共 通電極２２が一定の間隙を設けて配置されている。前記 一対の差動電極２１ａ，２１ｂおよび共通電極２２は、 密閉容器（図示省略）内に収容され、密閉容器内には誘 電性液体（図示省略）が封入される。上側の差動電極２ １ａおよび共通電極２２は上側可変コンデンサＣ１を構 成し、下側の差動電極２１ｂおよび共通電極２２は下側 可変コンデンサＣ２を構成する。

Inclination sensor

An electronic inclination sensor is provided for the determination and display of surface inclination and the direction of such inclination. The information regarding the inclination and direction of inclination can be displayed such that an end user can readily and easily comprehend and use the information without additional interpretation. Further, when the inclination is displayed in decimal values, a large range of inclination angles can be displayed with significant accuracy.

Capacitive balance leveling device

An aerospace system includes a leveling device defining two plane levels (yz-plane and xz-plane). The plane levels are included within an inertial measurement unit and each of the plane levels includes two capacitance controlled oscillators. Each of the capacitance controlled oscillators includes a quad capacitor bubble sensor.

Electrostatic capacitance tilt angle sensor

An electrostatic capacitance tilt angle sensor having a size that is reduced without lowering detection capacity. The sensor is provided with a case including a first wall and a second wall facing each other. A common electrode is arranged on the first wall and a differential electrode is arranged on the second wall. A liquid electrostatic capacitance medium is accommodated in the case and contacts the common electrode and the differential electrode. The electrostatic capacitance medium includes an insulative liquid base and fine particles mixed in the base. The fine particles have a dielectric constant that is higher than that of the base.

Pantograph carbon contact strip dip angle measuring and monitoring device and monitoring method thereof

本发明公开了一种受电弓碳滑板倾角测量监控装置，包括安装在机车驾驶室内的处理模块、显示模块、中央处理单元和报警模块，所述处理模块将碳滑板倾角测量装置测量到的数据信息处理后传递给中央处理单元，并显示在显示模块上供司机查看，所述中央处理单元根据测量信息控制报警模块报警，所述碳滑板倾角测量装置包括固定安装在碳滑板的下表面上的绝缘测量筒和固定安装在绝缘测量筒内的液位传感器。有益效果在于：本发明所述的一种受电弓碳滑板倾角测量监控装置及其监测方法能够实现准确检测碳滑板是否发生倾斜，不受受电弓旋转的影响，有效保证监测数据的准确可靠，实用性好。

Liquid surface state detection device and fuel cell system

Tilt sensor

A tilt angle sensor is disclosed that is capable of detecting whether a tilt angle of a reference plane exceeds a predetermined value by means of only one threshold value. Although only one threshold value is used, the tilt angle can be measured with respect to either a clockwise or a counterclockwise direction from the untilted state. A pair of differential electrodes electrically independent of each other are formed in a shape symmetric with respect to upper and lower sections of a printed circuit board. A common electrode plate is mounted opposed to the pair of differential electrodes with a predetermined gap therebetween. The pair of differential electrodes and the common electrode is stored in a closed space formed by the printed circuit board and an oil case. A dielectric liquid is filled into the closed space in such a way that the level of the liquid varies according to the tilt of the reference plane. An output signal corresponding to the difference in capacity between two capacitors formed by associated components is produced as a tilt detection output.

Pitch sensor system

A very small pitch sensor which accurately measures angular rotation about the pitch axis while being substantially insensitive to angular rotations about the roll or yaw axes. The pitch sensor comprises a spherical cavity that is fluid filled. The fluid fill further comprises one half conductive fluid and one half dielectric fluid. The fluids are selected to be immiscible and of different densities. The inside of the spherical cavity is segmented into three surface areas for connection to an electronic circuit. The electronic circuit measures voltage differentials between the segmented surface areas which vary with the conductive fluid surface in contact with the respective segmented areas. The conductive fluid surface contact area varies with the angular rotation of the cavity and about the pitch axis.

Inclination sensor

Inclination sensor

An electronic inclination sensor is provided for the determination and display of surface inclination and the direction of such inclination. The information regarding the inclination and direction of inclination can be displayed such that an end user can readily and easily comprehend and use the information without additional interpretation. Further, when the inclination is displayed in decimal values, a large range of inclination angles can be displayed with significant accuracy.

Tilt sensor

A tilt angle sensor is disclosed that is capable of detecting whether a tilt angle of a reference plane exceeds a predetermined value by means of only one threshold value. Although only one threshold value is used, the tilt angle can be measured with respect to either a clockwise or a counterclockwise direction from the untilted state. A pair of differential electrodes electrically independent of each other are formed in a shape symmetric with respect to upper and lower sections of a printed circuit board. A common electrode plate is mounted opposed to the pair of differential electrodes with a predetermined gap therebetween. The pair of differential electrodes and the common electrode is stored in a closed space formed by the printed circuit board and an oil case. A dielectric liquid is filled into the closed space in such a way that the level of the liquid varies according to the tilt of the reference plane. An output signal corresponding to the difference in capacity between two capacitors ...

Electrostatic capacitor-type inclination sensor

To provide an electrostatic capacitor-type sensor that does not require regulation such as zero-point adjustment and temperature compensation, etc. A pair of semi-circular differential electrodes are positioned next to each other in the vertical direction with a common electrode arranged so as to face the differential electrodes, with a fixed gap therebetween. The pair of differential electrodes and the common electrode are housed within an airtight container, and a dielectric fluid is sealed within the airtight container. The differential electrode on an upper side and the common electrode form an upper variable capacitor, and the differential electrode on the lower side and the common electrode form a lower variable capacitor.

Sensing device

The present invention discloses a sensing device, wherein a hemispherical container containing a liquid dielectric, and the hemispherical container has more than two pairs of electrodes, and the liquid dielectric can trigger the conduction states of the electrodes. A corrosion-resistant material envelops the container. A precision valve is arranged in the container and used to adjust the level of the liquid dielectric and the sensitivity of the sensing device. A buffer necking part is also arranged in the container and used to prevent from non-expected vibration-induced contact between the electrodes and the liquid dielectric. A leakage-proof detection device envelops the hemispherical container, the liquid dielectric, the precision valve, and the buffer necking part and functions to prevent from the leakage of the liquid dielectric. Thus, the present invention can provide an adjustable multi-directional tilt-sensing device for level control.

Electrostatic capacitor-type inclination sensor

To provide an electrostatic capacitor-type sensor that does not require regulation such as zero-point adjustment and temperature compensation, etc. A pair of semi-circular differential electrodes are positioned next to each other in the vertical direction with a common electrode arranged so as to face the differential electrodes, with a fixed gap therebetween. The pair of differential electrodes and the common electrode are housed within an airtight container, and a dielectric fluid is sealed within the airtight container. The differential electrode on an upper side and the common electrode form an upper variable capacitor, and the differential electrode on the lower side and the common electrode form a lower variable capacitor.

Inclination sensor

提供一种根据一个临界值,无论从无倾斜状态向顺时针方向倾斜或是向反时针方向倾斜,都能与该倾斜方向无关地检测倾斜角是否达到规定值之上的倾斜传感器。在印刷电路基板21上由平行于基准面的平面和印刷电路基板21的交叉线L2所划分的(区域内,以将交叉线L2作为对称轴相互线对称的形状且以将垂直于基准面的平面和印刷电路基板21的交叉线L1作为对称轴线对称形状,分别相互电独立地设置着一对差动电极22a,22b。此外,相对于该一对差动电极,隔着规定空隙地设置对置的通用电极板23。并将一对差动电极和通用电极板收藏在由印刷电路基板和罩体所形成的密闭空间内。该密闭空间内以液面根据基准面的倾斜而变化的状态封装有导电性液体27。并将根据由通用电极23和一对差动电极22a、22b构成的2个电容器的电容量值的差分的输出信号作为倾斜检测输出而输出。

INCLINATION SENSOR

PROBLEM TO BE SOLVED: To provide an inclination sensor capable detecting, from one threshold, whether or not the inclination angle is greater than a certain value, without regard to the inclination in the clockwise in the clockwise or counterclockwise direction a condition under which there is no inclination. SOLUTION: A pair electrically independent differential electrodes 22a and 22b are provided on a printed circuit board 21 and in respective areas separated by a line L2 of intersection of a plane parallel to a reference plane with the printed board 21, the electrodes being arranged in line symmetry, with the line L2 of intersection serving as an axis of symmetry, and with a line L1 of intersection of a perpendicular to the reference plane with the printed circuit board 21 serving as another axis symmetry. A common electrode plate 23 is provided in predetermined spaced and opposite relation to the pair differential electrodes. The pair of differential electrodes and the common electrode ...

Liquid level detector

A liquid level detector for use in a pump control system comprises a chamber 20 for liquid, a liquid inlet 6 to the chamber 20, a liquid outlet 7 from the chamber and connectable to a pump, and a capacitive sensor comprising mutually spaced capacitive sensor elements (21, 22; 22, 23) forming a capacitance which is sensitive to permittivity within a region of the chamber proximate the capacitive sensor. The chamber is defined at least partially by a barrier member 25 and the capacitive sensor elements are provided on the barrier member outside the chamber.

Paired trisection ring-third cyclotomy nesting pole plate is staggeredly placed formula inclination angle measurement method and device in opposite directions

成对三等分环-三等分圆嵌套极板相向交错放置式倾角测量方法与装置属于角度测量技术，其中传感器单元的环形共面电容测头由三个三分之一圆形金属板和三个三分之一圆环形金属板组成，六块金属板共面同心，同一扇形角所对的三分之一圆形金属板和三分之一圆环形金属板形成电容，将两个上述环形共面电容测头安置于两个圆形绝缘基板上，两个圆形绝缘基板作为圆柱体容器的两底面，并将圆柱体容器横置，容器中密封注入体积1/2的绝缘性液体，电位引线将十二块金属板的电位取出并与电容测量单元的输入端相连，电容测量单元与倾角计算单元连接；容器发生倾斜时，两个环形共面电容测头与绝缘性液体的相对位置发生变化，通过测量电容容值的变化，可求得倾角值。

A kind of high-precision pendulum condenser type inclination measurement system and method for being used to monitor

本发明公开了一种用于监测的高精度摆锤电容式测斜系统和方法，该系统包括有第一、第二固定极板、动极板、固定点和电源模块；动极板可以以固定点作为枢轴点往复摆动；该测斜系统竖直放置时，所述动极板平行设置于第一、第二固定极板的中间位置且垂直于水平面；所述电源模块分别在动极板与第一、第二固定极板之间施加相同的电压。本发明通过三个电容极板相对间距随倾角的改变得到倾斜角度的具体值，系统结构简单，测量精度高；同时还可通过对动极板的软线吊装减少动极板摆动的阻力对测量精度的影响，将极板浸入绝缘液体减少震动误差、增加测量的灵敏度。本发明作为一种用于监测的高精度摆锤电容式测斜系统和方法可广泛应用于工程检测领域。

Paired trisectional annular-trisectional circular nested pole plate staggered arrangement type inclination angle measuring method and apparatus thereof

成对三等分环-三等分圆嵌套极板相向交错放置式倾角测量方法与装置属于角度测量技术，其中传感器单元的环形共面电容测头由三个三分之一圆形金属板和三个三分之一圆环形金属板组成，六块金属板共面同心，同一扇形角所对的三分之一圆形金属板和三分之一圆环形金属板形成电容，将两个上述环形共面电容测头安置于两个圆形绝缘基板上，两个圆形绝缘基板作为圆柱体容器的两底面，并将圆柱体容器横置，容器中密封注入体积1/2的绝缘性液体，电位引线将十二块金属板的电位取出并与电容测量单元的输入端相连，电容测量单元与倾角计算单元连接；容器发生倾斜时，两个环形共面电容测头与绝缘性液体的相对位置发生变化，通过测量电容容值的变化，可求得倾角值。

Paired trisectional annular-circular nested pole plate staggered arrangement type inclination angle measuring method and apparatus thereof

成对三等分环-圆嵌套极板相向交错放置式倾角测量方法与装置属于角度测量技术，其中传感器单元的环形共面电容测头由一个圆形金属板和三个三分之一圆环形金属板组成，四块金属板共面同心，三个三分之一圆环形金属板沿周向均匀分布，每一块与圆形金属板形成电容，将两个上述环形共面电容测头分别安置于两个圆形绝缘基板上，两个圆形绝缘基板作为圆柱体容器的两个底面，并将此圆柱体容器横置，在容器中密封注入体积1/2的绝缘性液体，电位引线将八块金属板的电位取出并与电容测量单元的输入端相连，电容测量单元与倾角计算单元连接；容器发生倾斜时，两个环形共面电容测头与绝缘性液体的相对位置发生变化，通过测量电容容值的变化，可求得倾角值。

Liquid level condition checkout gear and fuel cell system

本发明提供一种能够进行罐内的液面高度的计测及罐的倾斜的检测的液面状态检测装置及具备该液面状态检测装置的燃料电池系统。液面状态检测装置(10)具备：浮子部(20)，其能够由在贮藏液体(2)的液体贮存罐(1)内立起设置的引导杆(45)引导而在上下方向上移动；以及一对电极部(30)，它们一体固定于浮子部(20)，且在上下方向上对置配置，其中，基于因存在于一对电极部(30)之间的绝缘物的介电常数而变化的一对电极部(30)之间的静电电容，来检测液体贮存罐(1)内的液面高度及液体贮存罐(1)的倾斜。

Leveling sensor

The invention relates to a capacitive measuring tilt sensor (1), comprising a cavity (20) with a fluid (21) and a bubble (22). The cavity (20) is configured with, an electrically conducting or conductively plated dome (14) forming a dome electrode, and a base (24) with at least three, preferably four, bottom electrodes (12). A capacitance measuring unit (11) is configured to determine electrical capacitances (25) between the dome electrode and each of the bottom electrodes (12), and an evaluation unit (11) is configured to derive a tilt information on basis of the capacitances (25). The base (24) is therein configured as an electronic PCB (10) comprising conductive tracks (10t) and isolating base material (10i) and the bottom electrodes (12) are formed by the circuit tracks (10t) of the PCB (10) under the dome (14). According to the invention, the cavity (20) and the fluid (21) are configured in such a way, that the bubble (22) touches a top of the dome (14) the base (24) and the bottom electrodes (12) are covered by an additional layer (17) of material in-between the electrodes (12) and the fluid (21), which layer (17) is configured to provide a surface that is configured to be wetted by the fluid (21).

Column-beam structure for safety check-up of construction

PURPOSE: A safety analyzing device for sensing the twisting of a beam structure for construction is provided to check the deformation of a beam structure in real time by measuring water pressure applied on a pressure sensor. CONSTITUTION: A safety analyzing device for sensing the twisting of a beam structure for construction comprises a fixing bracket(10), a measuring cylinder(20), a movement preventing body(30), a connection pipe(40), a pressure sensor(50), a water supply tank, a solenoid valve, a water pump, a heater(90), a control unit, and an alarm unit. The fixing bracket has a long slide rod(11). The movement prevention body is formed inside the measuring cylinder. The connection pipe is connected to a port(23) so water stored in the measuring cylinder circulates. The pressure sensor is installed on the inner bottom of the measuring cylinder. The water supply tank includes a water pipe and stores water. The solenoid valve is installed in the water pipe and is controlled by the control unit. The water pump is installed in the water pipe. The heater is installed in the measuring cylinder and the connection pipe. The control unit measures the twisting and deformation of the beam structure. The alarm unit is controlled by the control unit.

Liquid level detector

A liquid level detector for use in a pump control system comprises a chamber (20) for liquid, a liquid inlet (6) to the chamber (20), a liquid outlet (7) from the chamber and connectable to a pump, and a capacitive sensor comprising mutually spaced capacitive sensor elements (21, 22; 22, 23) forming a capacitance which is sensitive to permittivity within a region of the chamber proximate the capacitive sensor. The chamber is defined at least partially by a barrier member 25 and the capacitive sensor elements are provided on the barrier member outside the chamber.

Flüssigkeitspegelzustand-Erfassungsvorrichtung und Brennstoffzellensystem

Flüssigkeitspegelzustand-Erfassungsvorrichtung (10), umfassend:einen Schwimmerabschnitt (20), welcher in einer vertikalen Richtung durch einen Führungsstab (45) bewegbar geführt ist, welcher in einem Tank (1) zum Speichern einer Flüssigkeit (2) aufgerichtet ist, wobei ein unterer Abschnitt des Führungsstabs (45) mit einem Anschlag (46) versehen ist; undein Paar von Elektrodenabschnitten (30, 50, 60), welche integral an dem Schwimmerabschnitt (20) befestigt sind, und welche in der vertikalen Richtung einander gegenüberliegend angeordnet sind,wobei die Flüssigkeitspegelzustand- Erfassungsvorrichtung (10) auf Grundlage einer Kapazität zwischen dem Paar von Elektrodenabschnitten (30, 50, 60), welche sich entsprechend einer Permittivität eines zwischen das Paar von Elektrodenabschnitten (30) eingefügten Isoliermaterials ändert, detektiert, ob ein Pegel (R) einer Flüssigkeit (2) in dem Tank (1) niedriger als der Anschlag (46) ist oder nicht, und eine Neigung des Tanks (1) auf der Grundlage der Kapazität zwischen dem Paar von Elektrodenabschnitten (30, 50, 60) erfasst.

Sensore di inclinazione.

一种建筑测绘工程仪器的自动化调平系统与自动调平方法

本发明公开了一种建筑测绘工程仪器的自动化调平系统，包括固定设置的A球铰座，A球铰座内为球体容置仓，A球体可自由转动于球体容置仓中；A球体上一体化连接有竖向的球杆，球杆的腰部同轴心一体化设置有调平圆盘，A球体在球体容置仓中的转动使调平圆盘的姿态相应发生变化；能实现自动化的调平，避免手动调平结构的主观性很强，没有很好的一致性的问题。

一种建筑测绘工程仪器的自动化调平系统与自动调平方法

本发明公开了一种建筑测绘工程仪器的自动化调平系统，包括固定设置的A球铰座，A球铰座内为球体容置仓，A球体可自由转动于球体容置仓中；A球体上一体化连接有竖向的球杆，球杆的腰部同轴心一体化设置有调平圆盘，A球体在球体容置仓中的转动使调平圆盘的姿态相应发生变化；能实现自动化的调平，避免手动调平结构的主观性很强，没有很好的一致性的问题。

Label for attachment to a container

Label for attachment to a container

A label for attachment to the outside of a container, the label comprising: at least one capacitive sensor configured to vary in capacitance in response to a change in an amount of dielectric material stored in the container; a communication module; and control logic configured to: detect the variation in capacitance of the capacitive sensor; and control the communication module to send a signal when the variation is detected.

Label for attachment to a container

A label 102 for attachment to the outside of a container 101 comprises at least one capacitive sensor 105 configured to vary in capacitance in response to a change in an amount 107 of dielectric material stored in the container. The label further comprises a communication module and control logic configured to detect the variation in capacitance of the capacitive sensor and control the communication module to send a signal when the variation is detected. Change in orientation of the container is detected from a variation in capacitance of one or more of the sensors. Reference capacitive sensors 106 may be provided, and the control logic may detect the container has been placed in proximity to another container based on variation in the reference capacitance. The container may be a flexible pouch containing blood. The label may be attached such that capacitive plates of the sensor are placed on opposing parts of the container, fig. 6.

Liquid level detector

A liquid level detector for use in a pump control system comprises a chamber (20) for liquid, a liquid inlet (6) to the chamber (20), a liquid outlet (7) from the chamber and connectable to a pump, and a capacitive sensor comprising mutually spaced capacitive sensor elements (21, 22; 22, 23) forming a capacitance which is sensitive to permittivity within a region of the chamber proximate the capacitive sensor. The chamber is defined at least partially by a barrier member 25 and the capacitive sensor elements are provided on the barrier member outside the chamber.

Detector de nivel de líquido

Un detector de nivel de líquido para usar en un sistema de control de bombas comprende una cámara (20) para líquido, una entrada de líquido (6) a la cámara (20), una salida de líquido (7) de la cámara y conectable a una bomba, y un sensor capacitivo que comprende elementos sensores capacitivos separados entre sí (21, 22; 22, 23) que forman una capacitancia que es sensible a la permitividad dentro de una región de la cámara próxima al sensor capacitivo. La cámara está definida al menos parcialmente por un elemento de barrera 25 y los elementos sensores capacitivos se proporcionan en el elemento de barrera fuera de la cámara. (Traducción automática con Google Translate, sin valor legal)

Liquid level detector

A liquid level detector for use in a pump control system comprises a chamber (20) for liquid, a liquid inlet (6) to the chamber (20), a liquid outlet (7) from the chamber and connectable to a pump, and a capacitive sensor comprising mutually spaced capacitive sensor elements (21, 22; 22, 23) forming a capacitance which is sensitive to permittivity within a region of the chamber proximate the capacitive sensor. The chamber is defined at least partially by a barrier member 25 and the capacitive sensor elements are provided on the barrier member outside the chamber.

一种具有温度传感器的电解液水平倾角测量装置

本发明公开了一种具有温度传感器的电解液水平倾角测量装置，属于角度测量领域。包括：绝缘绝热材料制作的圆柱形传感器壳体、位于传感器壳体内部的电极组和电解液、以及封装于传感器壳体内的温度传感器，所述的传感器壳体包括同轴设置的内环壁和外环壁、分别位于内环壁和外环壁的两端面的连接底座与上封板，所述内环壁、外环壁及其两侧的连接底座、上封板组成一密封的容纳腔，所述电解液密封于容纳腔内。基于电极组测量电解液的电流和电场强度的变化，可以计算相应的倾角数值；利用温度传感器的热敏电阻元件电阻值测得电解液温度，用于修正补偿水平倾角测量装置因温度变化引起的误差。

一种抗静电水准泡

本发明提出了一种抗静电水准泡，包括透明壳体以及填充于透明壳体内的抗静电液体，所述抗静电液体内形成有测量气泡；本申请在水准泡的透明壳体或是液体中增加抗静电剂，使得水准泡具备抗静电的功能，继而在使用时不会因静电的存在而产生误差。

一种具有温度传感器的电解液水平倾角测量装置

本发明公开了一种具有温度传感器的电解液水平倾角测量装置，属于角度测量领域。包括：绝缘绝热材料制作的圆柱形传感器壳体、位于传感器壳体内部的电极组和电解液、以及封装于传感器壳体内的温度传感器，所述的传感器壳体包括同轴设置的内环壁和外环壁、分别位于内环壁和外环壁的两端面的连接底座与上封板，所述内环壁、外环壁及其两侧的连接底座、上封板组成一密封的容纳腔，所述电解液密封于容纳腔内。基于电极组测量电解液的电流和电场强度的变化，可以计算相应的倾角数值；利用温度传感器的热敏电阻元件电阻值测得电解液温度，用于修正补偿水平倾角测量装置因温度变化引起的误差。

一种建筑测绘工程仪器的自动化调平系统与自动调平方法

本发明公开了一种建筑测绘工程仪器的自动化调平系统，包括固定设置的A球铰座，A球铰座内为球体容置仓，A球体可自由转动于球体容置仓中；A球体上一体化连接有竖向的球杆，球杆的腰部同轴心一体化设置有调平圆盘，A球体在球体容置仓中的转动使调平圆盘的姿态相应发生变化；能实现自动化的调平，避免手动调平结构的主观性很强，没有很好的一致性的问题。

一种抗静电水准泡

本发明提出了一种抗静电水准泡，包括透明壳体以及填充于透明壳体内的抗静电液体，所述抗静电液体内形成有测量气泡；本申请在水准泡的透明壳体或是液体中增加抗静电剂，使得水准泡具备抗静电的功能，继而在使用时不会因静电的存在而产生误差。

一种受电弓碳滑板倾角测量监控装置及其监测方法

本发明公开了一种受电弓碳滑板倾角测量监控装置，包括安装在机车驾驶室内的处理模块、显示模块、中央处理单元和报警模块，所述处理模块将碳滑板倾角测量装置测量到的数据信息处理后传递给中央处理单元，并显示在显示模块上供司机查看，所述中央处理单元根据测量信息控制报警模块报警，所述碳滑板倾角测量装置包括固定安装在碳滑板的下表面上的绝缘测量筒和固定安装在绝缘测量筒内的液位传感器。有益效果在于：本发明所述的一种受电弓碳滑板倾角测量监控装置及其监测方法能够实现准确检测碳滑板是否发生倾斜，不受受电弓旋转的影响，有效保证监测数据的准确可靠，实用性好。