CN213876040U - Industrial radioactive source on-line monitoring system - Google Patents
Industrial radioactive source on-line monitoring system Download PDFInfo
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- CN213876040U CN213876040U CN202023138423.XU CN202023138423U CN213876040U CN 213876040 U CN213876040 U CN 213876040U CN 202023138423 U CN202023138423 U CN 202023138423U CN 213876040 U CN213876040 U CN 213876040U
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Abstract
The utility model belongs to the technical field of the radiation source is surveyed, concretely relates to industrial radiation source on-line monitoring system, including gamma-ray detector, signal processing device and repeater, wherein: the gamma-ray detector is connected with the signal processing device; the repeater is connected with a plurality of signal processing devices to form a network; the gamma-ray detector comprises a shell, a G-M counting tube, a micro-power consumption high-voltage module and a temperature sensor. The utility model provides a gamma-ray detector is small, and sensitivity is high, and the response is rapid, and the registration is stable, can in time report gamma-ray dose rate and temperature condition and gather, carries out on-line monitoring to the radiation source, can avoid exposing, losing the nuclear safety problem that arouses because of the radiation source, and simple structure, consumption are extremely low, and waterproof high temperature resistant, measuring result receives the temperature influence for a short time.
Description
Technical Field
The utility model belongs to the technical field of the radiation source is surveyed, concretely relates to industrial radiation source on-line monitoring system.
Background
With the development of nuclear technology, various radioactive sources are widely applied to various fields of industrial production, such as liquid level measurement of chemical fiber plants, thickness measurement of steel rolling mills, thickness measurement of plastic film plants and the like. Among them, the common gamma radioactive sources are Co-60, Cs-137 and other radioactive sources, and from the viewpoint of environmental protection and radiation protection, it is necessary to use a detector to perform on-line monitoring on these radioactive sources, so as to avoid the nuclear safety problem caused by exposure and loss of the radioactive sources.
On one hand, the radioactive source works under the protection of the shielding body during normal work, so that the sensitivity of the detector is high, the detector can sensitively respond to the environment with small dosage rate outside the shielding body, and the reading is stable; on the other hand, the probe needs to be able to respond quickly to the exposure, loss of the probe; at the same time, the dose rates of the two possible situations are greatly different, so that a detector with a larger measurement range is required. In addition, some factory environments are severe, part of unit heavy water vapor and heavy oil dirt exist, the temperature of the deployment position of part of unit detectors is high, and the deployment position space of part of unit detectors is narrow, so that the detectors are required to be small in size, resistant to high temperature and high humidity, and flexible in deployment.
The existing gamma-ray detector is difficult to meet the two contradictory requirements of small volume, high sensitivity, quick response and stable reading, and the mechanism of the detector is not optimized aiming at the severe environment monitored by an industrial radioactive source. Therefore, there is a need for a gamma ray detector suitable for industrial radioactive source monitoring systems.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the background art, the utility model provides an industrial radioactive source on-line monitoring system, mainly used is small to the measurement of gamma-ray dosage rate, and sensitivity is high, and measuring range is wide, and the response is rapidly and measuring result is stable.
The utility model provides an industrial radioactive source on-line monitoring system, including gamma ray detector, signal processing apparatus and repeater, wherein: the gamma-ray detector is connected with the signal processing device; the repeater is connected with a plurality of signal processing devices to form a network; the gamma-ray detector comprises a shell, a G-M counting tube, a micro-power consumption high-voltage module and a temperature sensor.
Furthermore, the gamma-ray detector is connected with the signal processing device through a waterproof connector.
Furthermore, the micro-power consumption high-voltage module is electrically connected with the G-M counting tube.
Further, a rubber sealing ring is arranged between the shell and the cover plate.
Further, the cover plate is fixed on the shell through screws.
Further, the repeater is connected with the cloud end or the upper computer through a network.
The utility model provides a pair of industrial radioactive source on-line monitoring system has following beneficial effect:
the utility model provides a gamma-ray detector is small, and sensitivity is high, and the response is rapid, and the registration is stable, can in time report gamma-ray dose rate and temperature condition and gather, carries out on-line monitoring to the radiation source, can avoid exposing, losing the nuclear safety problem that arouses because of the radiation source, and simple structure, consumption are extremely low, and waterproof high temperature resistant, measuring result receives the temperature influence for a short time.
Drawings
For a clearer explanation of the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of an on-line monitoring system for an industrial radioactive source according to the present invention;
FIG. 2 is a schematic diagram of the internal structure of the gamma-ray detector of the on-line monitoring system for industrial radioactive source of the present invention;
FIG. 3 is a schematic view of the measurement range of the gamma-ray detector of the on-line monitoring system for industrial radioactive source of the present invention;
FIG. 4 is a schematic view of the temperature data measurement of the on-line monitoring system for the industrial radioactive source of the present invention;
in the figure: the system comprises a 1-gamma ray detector, a 11-shell, a 12-G-M counting tube, a 13-micro power consumption high-voltage module, a 14-temperature sensor, a 15-cover plate, a 2-signal processing device, a 3-repeater, a 4-waterproof connector and a 5-upper computer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the present application, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-4, the utility model provides an industrial radioactive source on-line monitoring system, which comprises a gamma ray detector 1, a signal processing device 2 and a repeater 3, wherein: the gamma-ray detector 1 is connected with the signal processing device 2; the repeater 3 is connected with a plurality of signal processing devices 2 to form a network; the gamma-ray detector 1 comprises a shell 11, a G-M counting tube 12, a micro-power consumption high-voltage module 13 and a temperature sensor 14.
Specifically, the embodiment of the utility model provides an industrial radioactive source on-line monitoring system mainly used measures monitoring gamma ray's dose rate and temperature information to give host computer 5 on with relevant data information, judge whether gamma ray's dose rate and temperature value surpass normal operating range, thereby judge whether gamma ray source exposes or loses. The gamma-ray detector 1 is mainly used for detecting a gamma-ray source and temperature, gamma-rays and temperature are converted into electric signals to be transmitted subsequently, the signal processing device 2 provides working voltage for the gamma-ray detector 1 on the one hand, on the other hand, the electric signals generated by the gamma-ray detector 1 are converted into dose rate and temperature values of the gamma-rays and are transmitted to the repeater 3, the repeater 3 can be connected with the multiple signal processing devices 2 to form a network, data of the dose rate and the temperature values of multiple groups of gamma-rays are received, the data are transmitted to the upper computer 5 or a cloud terminal to be processed after being summarized, and the subsequent upper computer 5 performs data summarizing, analyzing and displaying, so that the working condition of the gamma-ray source is judged. In the embodiment of the present invention, the external dimension of the gamma-ray detector 1 is preferably designed to be 40mm × 13mm × 70mm, the measurement range of the on-line monitoring system is 0.1 μ Gy/h-10mGy/h, the sensitivity is high, the measurement range is wide, wherein, the G-M counting tube 12 is mainly used for converting the detected gamma-ray into an electrical signal, the micropower high-voltage module 13 is mainly used for providing high working voltage for the G-M counting tube 12, and conditioning and forming the generated electrical signal, the temperature sensor 14 is mainly used for converting the temperature signal into an electrical signal, the G-M counting tube 12, the micropower high-voltage module 13 and the temperature sensor 14 are connected by a circuit board, and are placed inside the casing 11 together, and the casing 11 is preferably made of cast aluminum.
Further, the gamma-ray detector 1 is connected to the signal processing device 2 through a waterproof connector 4. The waterproof connector 4 is mainly used for waterproofing equipment, the signal processing device 2 is connected with the gamma-ray detector 1 through a connector, working voltage is mainly provided for the gamma-ray detector 1, electric signals generated by the gamma-ray detector 1 are converted into gamma dose rate and temperature values, the number of pulses of the electric signals in unit time, namely 'counting rate', can be counted firstly by the signal processing device 2 in the process of converting the dose rate, the obtained 'counting rate' is processed by using an adaptive low-pass filtering algorithm to reduce the influence of noise signals, and finally the counting rate is converted into the gamma dose rate according to the corresponding relation between the counting rate and the gamma dose rate. When the device is used for measuring at a low dosage rate, the output value is less influenced by noise and has good stability, when the dosage rate is changed, the detector can quickly respond, and the measuring result is less influenced by temperature.
Further, the micro-power consumption high-voltage module 13 is electrically connected with the G-M counting tube 12. The micro-power consumption high-voltage module 13 is electrically connected with the G-M counting tube 12 through a circuit board and provides working high voltage for the G-M counting tube 12.
Further, a rubber seal is disposed between the housing 11 and the cover plate 15. The cover plate 15 covers the shell 11, a rubber sealing ring is arranged in the middle of the cover plate, and silicone oil is coated on the cover plate to completely seal the interior of the shell 11.
Further, a cover plate 15 is fixed to the housing 11 by screws. The cover plate 15 is fixed on the housing 11 through four screws, and the housing 11 is protected in a sealing manner, waterproof and high-temperature resistant.
Further, the repeater 3 is connected with the cloud or the upper computer 5 through a network, the repeater 3 is connected with the plurality of signal processing devices 2 to form a networking, the deployment is flexible, the data of the dose rate and the temperature value converted by the plurality of signal processing devices 2 are uploaded to the cloud or the upper computer 5 through a 4G network or a Bluetooth network to be stored and processed, and whether the working state of the gamma-ray radioactive source is normal or not is judged according to the processing and monitoring result of the cloud or the upper computer 5.
The present invention has been further described with reference to specific embodiments, but it should be understood that the specific description herein should not be construed as limiting the spirit and scope of the present invention, and that various modifications to the above-described embodiments, which would occur to persons skilled in the art after reading this specification, are within the scope of the present invention.
Claims (6)
1. An industrial radioactive source on-line monitoring system is characterized by comprising a gamma ray detector, a signal processing device and a repeater, wherein:
the gamma-ray detector is connected with the signal processing device;
the repeater is connected with the signal processing devices to form a network;
the gamma-ray detector comprises a shell, a G-M counting tube, a micro-power consumption high-voltage module and a temperature sensor.
2. The industrial radioactive source on-line monitoring system according to claim 1, wherein the gamma ray detector is connected to the signal processing device through a waterproof connector.
3. The on-line monitoring system for industrial radioactive sources according to claim 1, wherein the micropower high-voltage module is electrically connected to the G-M counter tube.
4. The on-line monitoring system for the industrial radioactive source according to claim 1, wherein a rubber sealing ring is arranged between the shell and the cover plate.
5. The industrial radioactive source on-line monitoring system according to claim 4, wherein the cover plate is fixed to the housing by screws.
6. The industrial radioactive source online monitoring system according to claim 1, wherein the repeater is connected to a cloud or an upper computer through a network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023138423.XU CN213876040U (en) | 2020-12-22 | 2020-12-22 | Industrial radioactive source on-line monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202023138423.XU CN213876040U (en) | 2020-12-22 | 2020-12-22 | Industrial radioactive source on-line monitoring system |
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| CN213876040U true CN213876040U (en) | 2021-08-03 |
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| CN202023138423.XU Active CN213876040U (en) | 2020-12-22 | 2020-12-22 | Industrial radioactive source on-line monitoring system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113917519A (en) * | 2021-09-08 | 2022-01-11 | 中国船舶重工集团公司第七一九研究所 | Online calibration method for source inspection system |
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2020
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113917519A (en) * | 2021-09-08 | 2022-01-11 | 中国船舶重工集团公司第七一九研究所 | Online calibration method for source inspection system |
| CN113917519B (en) * | 2021-09-08 | 2024-02-02 | 中国船舶重工集团公司第七一九研究所 | Online calibration method for source inspection system |
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