Radiometric measuring device for carrying out measurements in explosion-prone areas
A technology for measuring equipment and radiation, which is applied in the direction of radiation intensity measurement, measuring device, radiation measurement, etc., and can solve the problems of large space and high cost
Active Publication Date: 2016-09-21
EHNDRESS KHAUZER GMBKH KO KG
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- Application Information
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Problems solved by technology
[0009] These parallel measures to be provided are not only costly but also require a lot of space
Therefore, such a measuring device can only be used where the measuring location has sufficient space available for the measuring device
Method used
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Embodiment Construction
[0038] figure 1 An example of application using the radiometric device according to the invention is shown. A radiometric limit switch is shown as an example of an embodiment, which limit switch monitors that the filling material 1 in the container 3 exceeds or falls below a preset fill level. Container 3 is positioned at figure 1 in areas prone to explosion described by "Ex". The measuring device shown comprises a radioactive emitter 5 arranged outside the container 3 at the level to be monitored, which emits ionizing radiation, in particular gamma radiation, through the container 3 at a pre-set level. radiation. Here, the intensity of the radiation traversing the container 3 and occurring on the side of the container 3 opposite the emitter 5 depends on the absorption in the container 3 , which in turn depends on the filling level in the container 3 .
[0039] The measuring device comprises a measuring unit 7 which can be installed in an explosion-prone area and is operat...
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The invention relates to a radiometric measuring device for carrying out measurements in an explosion-prone area, which radiometric measuring device requires only little space at the measurement location and can be economically produced. The radiometric measuring device comprises a measuring unit (7) that can be used in the explosion-prone area. Said measuring unit comprises a scintillator (13), which converts radioactive radiation incident on the scintillator into photons, and a semiconductor detector (15), which is connected to the scintillator (13) and can be operated by means of an inherently safe energy supply and metrologically captures photons arising in the scintillator (13) and reaching the semiconductor detector (15) and converts said photons into electrical measurement signals. Explosion protection measures to be associated exclusively with the ignition protection class of the inherent safety are provided in the measuring unit. The radiometric measuring device also comprises a superordinate unit (11) to be arranged outside of the explosion-prone area and to be connected to the measuring unit (7). The superordinate unit effects an inherently safe supply of the measuring unit (7), in particular the semiconductor detector (15), during measuring operation.
Description
technical field [0001] The invention relates to a radiometric device for performing measurements in areas prone to explosion, having a scintillator that converts radioactive radiation incident on the scintillator into photons, and a detector connected to the scintillator that detects The detector captures the photons generated in the scintillator and reaches the detector, and converts the photons into an electrical measurement signal. Background technique [0002] In the field of industrial metrology there are numerous applications in which radiometric measuring devices have to be operated in locations with a risk of explosion. Here, gas stations and chemical plants may be mentioned as examples where explosive gases can form. [0003] Equipment that can be used in explosion-prone areas has to comply with very strict safety requirements. The purpose of the requirements is to prevent or avoid the formation of sparks that could potentially trigger an explosion, since sparks o...
Claims
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IPC IPC(8): G01T1/20
CPCG01T1/2018G01F23/288G01T1/24
Inventor迪特尔·本茨西蒙·魏登布鲁赫
OwnerEHNDRESS KHAUZER GMBKH KO KG