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Sensor and method for measuring particles in a medium

A sensor and medium technology, applied in the sensor field, can solve the problem of system responsibility and other problems, and achieve the effect of saving space

Inactive Publication Date: 2016-12-21
贝恩德·多内尔
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Here, for the customer, not only the problem of system liability arises when problems with incompatibility arise, but also the resulting assumption of responsibility

Method used

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  • Sensor and method for measuring particles in a medium
  • Sensor and method for measuring particles in a medium
  • Sensor and method for measuring particles in a medium

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Experimental program
Comparison scheme
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Embodiment Construction

[0077] exist figure 1 The principle configuration of the sensor is schematically shown in . For optical component sensors, light source 110 (which is linear in a particularly advantageous embodiment) is projected by means of objective lens 113 onto a projection surface which intersects the longitudinal axis of the capillary in the direction of optical axis z. In this case, the longitudinal axis y of the linear light source 110 is aligned parallel to the y-axis of the projection plane and perpendicular to the longitudinal axis of the capillary. The x-axis of the projection plane is oriented coaxially to the longitudinal axis of the capillary. The optical system of the optical probe 111 is equipped with the same components as the optical system of the light source 110 , a light shield 118 and a lens 117 .

[0078] The magnetic detector comprises two differential coils 116 mounted coaxially to the measuring cylinder 115 . The differential coil 116 is accordingly shielded again...

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Abstract

The invention relates to a sensor for measuring particles in a contaminated medium, with a light-transmissive measuring cell (115), an optical detector and a magnetic detector, through which a capillary (C) for guiding and measuring the medium passes A measuring cell (115), wherein the measuring cell (115) is cylindrical, the capillary (C) runs coaxially in the measuring cell (115), and a control chamber (K) is arranged in the middle of the measuring cell (115) , an optical lens system with a light source (110) and at least one optical detector (111) is focused onto the control chamber (K) and used on the stem of the measurement unit (115) to generate and detect coaxial alternating The differential coil ( 116 ) of the magnetic field forms a magnetic detector which is controlled in such a way as to cancel out the alternating magnetic field in the control chamber (K). Furthermore, a method for evaluating a signal of a sensor ( 1 ) and the use of the sensor are specified.

Description

technical field [0001] The invention relates to a sensor for measuring particles in a contaminated medium with a light-transmissive measuring cell, an optical detector and a magnetic detector, through which a capillary for guiding and measuring the medium passes. Background technique [0002] To identify particles, particles are differentiated according to their specific type and material properties. All such constituents of substances are defined as particles, which are located in the local detection region (control chamber) and, in addition to the substances which are medium, contain particles in the medium. Here, the particles can be contained in the medium in solid, liquid or gaseous form or in vacuum. The medium contains a homogeneous substance with sufficient transparency for the penetration of a certain magnetostatic or electromagnetic alternating field used during detection. [0003] In this case, the detection of particles located in the detection region is detect...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N15/14G01N15/10G01N33/28
CPCG01N15/1459G01N15/1031G01N21/53G01N21/47G01N2201/062G01N21/49G01N21/94G01N21/88G01N21/85G01N2015/1029G01N15/14
Inventor 贝恩德·多内尔
Owner 贝恩德·多内尔