CN204964770U - Can spectral pattern radon measuring apparatu based on alpha measures - Google Patents
Can spectral pattern radon measuring apparatu based on alpha measures Download PDFInfo
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- CN204964770U CN204964770U CN201520630782.7U CN201520630782U CN204964770U CN 204964770 U CN204964770 U CN 204964770U CN 201520630782 U CN201520630782 U CN 201520630782U CN 204964770 U CN204964770 U CN 204964770U
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Abstract
The utility model relates to a radon measuring apparatu provides a can spectral pattern radon measuring apparatu based on alpha measures, including casing, aspiration pump, flowmeter to and locate the detector in the casing and strain the box, the casing lower extreme is equipped with the suction nozzle, is equipped with the blast pipe on the casing, the aspiration pump links to each other with the suction nozzle through the flowmeter, strain a box top that is located the suction nozzle, its filter paper is relative with the suction nozzle, directly over the detector was located and strains the box, the output of detector and the input of counting the electrotransformation devices were connected. Outside air flow reachs the suction nozzle upper end and strains the filter paper between box lower extreme through the suction nozzle from the aspiration pump, is filtered by filter paper and collects, strains the box upper end simultaneously and faces the detector, and the output of detector and the input of number electrotransformation device are connected, accomplish the real -time detection. The utility model discloses accuracy, convenient to use are examineed in simple structure, aerosol collection reliably stable, trouble.
Description
Technical field
The utility model relates to radon measuring instrument, and a kind of energy spectral pattern radon measuring instrument measured based on α, is the concrete practice device of 218Po fast measurement of radon method specifically.
Background technology
Radon measuring instrument device is widely used in radioaerosol monitoring equipment in nuclear safety and radiation protection, existing device is all by various method, radon daughter original in air is filtered out mostly, obtain the activity concentration of radon by measuring newly-generated radon daughter, its measuring process is comparatively complicated.
Summary of the invention
The purpose of this utility model is just to provide that a kind of structure is simple, Real-Time Monitoring, radon measuring instrument device easy to use, and this device only needs just can obtain the activity concentration of radon by measuring existing radon daughter in air, and process is simpler and more direct, and result is more reliable.
For achieving the above object, the utility model adopts following technical scheme: a kind of energy spectral pattern radon measuring instrument measured based on α, comprise housing, aspiration pump, flowmeter, and be located at detector in housing and filter box, described housing lower end is provided with admission piece, housing upper end is provided with gas outlet, described aspiration pump is connected with admission piece through flowmeter, described filter box is positioned at the top of admission piece, its filter paper is relative with admission piece, described detector is positioned at directly over filter box, and the output terminal of detector is connected with the input end of the electric reforming unit of number.The filter paper that outer air stream arrives admission piece upper end from aspiration pump through admission piece and filters between box lower end, is collected by Filter paper filtering, filters box upper end simultaneously and faces detector, and the output terminal of detector is connected with the input end of the electric reforming unit of number, accomplishes real-time detection.
In technique scheme, be provided with a set of paper advance mechanism for the aerocolloidal filter paper of radon daughter in filtered air and correspondence in filter box, filter paper is connected with paper advance mechanism.
In technique scheme, described aspiration pump is connected with control system, and the paper advance mechanism of described filter box is connected with control system.
The utility model structure is simple, gasoloid collection is reliable and stable, fault is screened accurate, easy to use.In addition, the utility model owing to adopting control system, thus ensures that the reliable and stable and extraction flow of sampling process accurately controls.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, but this embodiment should not be construed as restriction of the present utility model.
As shown in Figure 1, the utility model embodiment provides a kind of energy spectral pattern radon measuring instrument measured based on α, comprise housing 1, aspiration pump 2, flowmeter 3, and be located at detector in housing 14 and filter box 5, described housing 1 lower end is provided with admission piece 6, housing 1 upper end is provided with gas outlet 7, described aspiration pump 2 is connected with admission piece 6 through flowmeter 3, described filter box 5 is positioned at the top of admission piece 6, be provided with in described filter box 5 for the aerocolloidal filter paper in filtered air, filter paper is connected with paper advance mechanism, , described filter paper is relative with admission piece 6, described detector 4 is positioned at directly over filter box 5, for detecting the Radon daughter gasoloid collected by Filter paper filtering, the output terminal of detector 4 is connected with the input end of the electric reforming unit 8 of number.The filter paper that outer air stream arrives admission piece 6 upper end from aspiration pump 2 through admission piece 6 and filters between box 5 lower end, collected by Filter paper filtering, filter box 5 upper end simultaneously and face detector 4, the output terminal of detector 4 is connected by the input end of data line with the electric reforming unit 8 of number, accomplishes real-time detection.
In the above-described embodiments, described aspiration pump is connected with control system, and the paper advance mechanism of described filter box is connected with control system, thus ensures that the reliable and stable and extraction flow of sampling process accurately controls.
The content be not described in detail in this instructions, belongs to the known prior art of those skilled in the art.
Claims (3)
1. the energy spectral pattern radon measuring instrument measured based on α, comprise housing, aspiration pump, flowmeter, and be located at detector in housing and filter box, it is characterized in that: described housing lower end is provided with admission piece, and housing upper end is provided with gas outlet, and described aspiration pump is connected with admission piece through flowmeter, described filter box is positioned at the top of admission piece, its filter paper is relative with admission piece, and described detector is positioned at directly over filter box, and the output terminal of detector is connected with the input end of the electric reforming unit of number.
2. a kind of energy spectral pattern radon measuring instrument measured based on α according to claim 1, is characterized in that: be provided with a set of paper advance mechanism for the aerocolloidal filter paper of radon daughter in filtered air and correspondence in described filter box, filter paper is connected with paper advance mechanism.
3. a kind of energy spectral pattern radon measuring instrument measured based on α according to claim 2, it is characterized in that: described aspiration pump is connected with control system, the paper advance mechanism of described filter box is connected with control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520630782.7U CN204964770U (en) | 2015-08-20 | 2015-08-20 | Can spectral pattern radon measuring apparatu based on alpha measures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520630782.7U CN204964770U (en) | 2015-08-20 | 2015-08-20 | Can spectral pattern radon measuring apparatu based on alpha measures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204964770U true CN204964770U (en) | 2016-01-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520630782.7U Active CN204964770U (en) | 2015-08-20 | 2015-08-20 | Can spectral pattern radon measuring apparatu based on alpha measures |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204964770U (en) |
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2015
- 2015-08-20 CN CN201520630782.7U patent/CN204964770U/en active Active
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |