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An Integrated Capacitance-Ultrasound Tomography Sensor

A technology of ultrasonic tomography and capacitance tomography, which is applied in the direction of material capacitance, material analysis by using sound wave/ultrasonic wave/infrasonic wave, instrument, etc. It can solve the problems that cannot be realized, achieve good overall thickness, reduce error, and excellent The effect of measuring performance

Inactive Publication Date: 2015-10-21
NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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Problems solved by technology

[0007] Aiming at the problem mentioned in the background art that in the metal pipeline system, it is impossible to measure the phase distribution on the pipeline cross-section without affecting the structure and mechanical properties of the equipment and at the same time without disturbing the fluid flow, the present invention proposes a An Integrated Capacitance-Ultrasound Tomography Sensor

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  • An Integrated Capacitance-Ultrasound Tomography Sensor
  • An Integrated Capacitance-Ultrasound Tomography Sensor
  • An Integrated Capacitance-Ultrasound Tomography Sensor

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Embodiment Construction

[0026] The preferred embodiments will be described in detail below in conjunction with the accompanying drawings. It should be emphasized that the following description is only exemplary and not intended to limit the scope of the invention and its application.

[0027] figure 1 It is a structural diagram of the electrode array plate of the electrical capacitance tomography sensor provided by the present invention; wherein, (a) is the side of the electrode array plate facing the measured channel; (b) the side of the electrode array plate facing away from the measured channel. Wherein, the middle of the electrode array plate 1 is a substrate of non-conductive material; the side of the substrate facing the measurement channel is the front, and the measuring electrodes 3, the measuring electrode leads 2, the shielding electrodes 4 between the measuring electrodes and the two ends of the measuring electrodes are arranged. An end shielding electrode 5 ; the other side of the substr...

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Abstract

The invention discloses an integrated type capacitance-ultrasound tomography sensor in the technical field of sensor design. The sensor comprises a capacitance tomography sensor and an ultrasound tomography sensor, wherein the capacitance tomography sensor comprises one or more measuring electrode modules, and the ultrasound tomography sensor consists of an ultrasonic transducer array. The sensor surrounds a space to be measured, the measuring part of the capacitance tomography sensor is used for measuring the distribution of dielectric coefficients in the space, and meanwhile, the measuring part of the ultrasound tomography sensor is used for measuring the distribution of ultrasound propagation velocity of a section to be measured. The sensor can provide measured capacitance signals and ultrasound signals at the same time, and the flame distribution image of the space to be measured is reconstructed by virtue of the capacitance signals and the ultrasound signals through a unified image reconstruction algorithm.

Description

technical field [0001] The invention belongs to the field of sensor design, in particular to an integrated capacitance-ultrasonic tomography sensor. Background technique [0002] The distribution of flames in the combustion process is often closely related to the state of combustion. For example, the fullness of the flame, the ignition point, the length and opening angle of the flame, etc., are important parameters of combustion. In addition, the flickering frequency of the flame during combustion is also often related to the stability of combustion. Therefore, the detection of the spatial distribution of the flame and the flicker frequency is an important method and means for the diagnosis of the combustion state and the development of the burner. [0003] Electric capacitance tomography technology is a new generation of parameter detection technology developed with the progress of computer technology and detection technology. Its English name is Electric Capacitance Tomo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N27/22G01N29/024
Inventor 刘石任思源
Owner NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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