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Paired ring-quadrant ring-circular nested polar plates face-to-face staggered inclination measuring method and device

A technology of interlaced and measuring devices, which is applied in the directions of measuring devices, surveying and navigation, measuring inclination, etc., can solve the problem of sensor loss of efficacy, etc., and achieve the effect of increasing the area, reducing interference, and accurate measurement results

Active Publication Date: 2016-10-19
HARBIN INST OF TECH
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  • Description
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Problems solved by technology

[0007] However, in the case of this electrostatic capacitive sensor, when the inclination angle of the cylindrical airtight container is too large, the liquid inside the container is biased to one side and loses contact with the other main electrode. effect

Method used

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  • Paired ring-quadrant ring-circular nested polar plates face-to-face staggered inclination measuring method and device
  • Paired ring-quadrant ring-circular nested polar plates face-to-face staggered inclination measuring method and device
  • Paired ring-quadrant ring-circular nested polar plates face-to-face staggered inclination measuring method and device

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Embodiment Construction

[0030] Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0031] A paired ring-quadrant ring-circle nested pole plate facing staggered placement type inclination measuring device, comprising a sensor unit 31, a capacitance measuring unit 32 and an inclination calculation unit 33, such as Figure 5 Shown is a schematic diagram of the overall structure of the inclination measuring device.

[0032] figure 1 The figure shows the perspective view of the sensor unit of the inclination measuring device. The structure of the sensor unit 31 is: the two open ends of the open cylindrical container 17 are respectively sealed and assembled with two circular insulating substrates 8, 16. , two annular coplanar capacitance probes A1, B9 are respectively equipped on the sides of two circular insulating substrates 8 and 16 in the cavity of the cylindrical container 17; the annular coplanar capacitance probe A1 is composed of a ...

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Abstract

The invention discloses an inclination angle measuring method and device with components placed in paired rings, quartered rings and circular nested polar plates oppositely staggered manner, and belongs to the angle measurement technology; annular coplanar capacitance measuring heads of a sensor unit are each composed of a circular metal plate, four quarter-circular annular metal plates and a circular annular metal plate; the six metal plates are coplanar and concentric; each quarter-circular annular metal plate forms a capacitance with the circular metal plate and the circular annular metal plate; the two annular coplanar capacitance measuring heads are respectively arranged on two circular insulating basal plates used as two bottom surfaces of a cylinder container; the cylinder container is transversely placed, and an insulation liquid with the volume of 1 / 2 that of the container is sealedly injected into the container; electric potential leading wires allow the electric potentials of the twelve metal plates to be led out to be connected with the input end of a capacitance measurement unit; the capacitance measurement unit is connected with an inclination angle calculation unit; and when the container is tilted, relative positions of the two annular coplanar capacitance measuring heads to the insulating liquid are changed, the inclination angle value is calculated by measuring the change of the capacitance value.

Description

technical field [0001] The invention belongs to the technical field of angle measurement, and mainly relates to an inclination angle measurement method and device. Background technique [0002] At present, the known sensing method for measuring the inclination angle utilizes the principle that the surface of the liquid is always kept horizontal in a static state. The container with liquid inside tilts, and after stabilization, the liquid level remains horizontal, but the relative position of the liquid to the container changes. By detecting the electrical quantity change caused by this process, the angle of the container relative to the liquid surface inside is calculated, and then the inclination angle of the container is determined. [0003] For the sensing method of detecting the inclination angle between the container and the liquid surface added inside, it can be divided into two categories: resistive type and electrostatic capacitive type. [0004] Introduced in Japa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01C9/20
CPCG01C9/20G01C2009/185
Inventor 谭久彬吴举才马昊昊
Owner HARBIN INST OF TECH
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