CN211293281U - Novel emanometer calibrating device - Google Patents

Novel emanometer calibrating device Download PDF

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Publication number
CN211293281U
CN211293281U CN202020061417.XU CN202020061417U CN211293281U CN 211293281 U CN211293281 U CN 211293281U CN 202020061417 U CN202020061417 U CN 202020061417U CN 211293281 U CN211293281 U CN 211293281U
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radon
chamber
source
box body
main box
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龙成章
刘辉
唐盟
毛哲
高颖
李静
李胜春
王双玲
王攀峰
高申星
周云森
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Henan Institute of Metrology
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Henan Institute of Metrology
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Abstract

The utility model relates to a novel radon measuring instrument calibrating device, which effectively solves the problem that the prior device can not simultaneously calibrate a plurality of radon measuring instruments and the temperature and the humidity need to be readjusted during each calibration; the technical scheme for solving the problem is that the radon chamber main box body is fixedly communicated with an exhaust filter chamber, an intake filter chamber, a radon source distribution chamber and a temperature and humidity control chamber; the exhaust filtering chamber is filled with active carbon and is communicated with the outside; the air inlet filter chamber is filled with active carbon and communicated with the outside; a dehumidification air conditioner, a cooling air conditioner, a heater and a humidification boiler are arranged in the temperature and humidity control chamber; the utility model discloses the structure is succinct, and the operation of being convenient for can effectual examine and determine many emanometers and the humiture of simultaneous control emanometer environment, the practicality is strong.

Description

Novel emanometer calibrating device
Technical Field
The utility model relates to an instrument examination technical field specifically is a novel emanometer calibrating installation.
Background
Because the working principle, calibration method and stability of various radon and radon daughter measuring instruments are different, and the difference between the measuring results is obvious, a corresponding standard and calibration device needs to be established so as to scale and calibrate various widely-used radon measuring instruments and ensure the accuracy and reliability of the measuring results. The standard radon chamber can provide a closed space with uniform, stable and adjustable concentration of radon and radon daughter, is combined with the metering standard of radon and daughter, can carry out calibration verification of a radon and radon daughter measuring instrument, compares different devices, and is also an experimental device for researching the behaviors and control of radon and radon daughter.
For the verification of the radon measuring instrument, the condition that a plurality of devices need to be verified in the same batch often occurs, and the verification efficiency of the instrument is obviously greatly reduced by detecting one device by one device. Meanwhile, different temperatures and humidity have large influence on radon concentration, and the temperature and the humidity need to be adjusted every time of detection, so that the detection efficiency of the radon detector is further reduced. Therefore, a calibrating device capable of calibrating a plurality of radon detectors simultaneously and adjusting the temperature and the humidity of a radon chamber is urgently needed.
Therefore, the utility model provides a novel emanometer calibrating installation solves this problem.
SUMMERY OF THE UTILITY MODEL
To the circumstances, for overcoming prior art's defect, the utility model provides a novel emanometer calibrating installation has effectually solved the problem that current device can't examine and determine simultaneously, all need readjust the humiture to many emanometers at every turn.
The utility model comprises a radon chamber main box body which is respectively and fixedly communicated with an exhaust filtering chamber, an air inlet filtering chamber, a radon source distribution chamber and a temperature and humidity control chamber;
the exhaust filter chamber is filled with active carbon and is communicated with the outside;
the air inlet filter chamber is filled with active carbon and communicated with the outside;
a radon source and a radon gas source box are arranged in the radon source distribution chamber, both the radon source and the radon gas source box are communicated with a radon source concentration circulator arranged in the radon source distribution chamber, the radon source concentration circulator is communicated with a radon concentration regulating instrument arranged in the radon source distribution chamber, and the radon concentration regulating instrument is communicated with the main box body of the radon chamber;
the temperature and humidity regulation and control chamber is internally provided with a dehumidification air conditioner, a cooling air conditioner, a heater and a humidification boiler.
Preferably, a radon source bin containing a radon source is arranged in the radon source distribution chamber, and the radon source is an Ra-226 source adsorbed by the resin.
Preferably, the radon gas source box is an empty box, and the radon gas source box is communicated with the outside air.
Preferably, a storage rack is arranged in the radon chamber main box body.
Preferably, a platform is arranged outside the radon chamber main box body, a plurality of through holes are formed in one side of the radon chamber main box body, and sealing plugs are detachably mounted in the plurality of through holes.
Preferably, one side of the main box body of the radon chamber is fixedly connected with a computer, and the computer is electrically connected with the radon source concentration circulator and the radon concentration regulating and controlling instrument.
Preferably, the radon chamber owner box in fixed connection have temperature sensor and humidity transducer, temperature sensor, humidity transducer, dehumidification air conditioner, cooling air conditioner, heater, humidification boiler all with the computer electricity connect.
Preferably, the novel radon measuring instrument calibrating device further comprises a water purifying system, and the water purifying system is communicated with the humidifying boiler.
Preferably, the communicating parts of the radon chamber main box body, the exhaust filtering chamber and the temperature and humidity control chamber are provided with fans, and the fans are fans with shutters.
Preferably, the radon chamber main box body is fixedly communicated with a transition chamber.
The utility model is improved aiming at the problem that the prior device can not simultaneously detect a plurality of radon measuring instruments and the temperature and humidity need to be regulated again during each detection, and the radon measuring instruments can be effectively and simultaneously detected by adopting the air circulation system formed by the main box body of the radon chamber, the air inlet filter chamber and the air outlet filter chamber; the radon concentration in the main box body of the radon chamber is controlled by a radon concentration regulating instrument and a radon source concentration circulator, the same detection environment is provided for the calibrated radon measuring instrument, and transverse comparison is convenient to perform during calibration; through temperature sensor, humidity transducer, atmospheric control room and computer, the environmental condition in the control radon room main tank for treat many emanometers of examination and determine and be in same environment, the control environment of being more convenient for, the horizontal contrast of realization that can be better simultaneously, the utility model discloses the structure is succinct, and the operation of being convenient for can effectual examination many emanometers and the humiture of simultaneous control emanometer environment, the practicality is strong.
Drawings
Fig. 1 is a schematic plan view of the present invention.
Fig. 2 is a schematic perspective view of the radon chamber main box and the related structure thereof.
Fig. 3 is a schematic perspective view of the radon chamber main box and the related structure thereof.
FIG. 4 is a schematic top-view of the radon chamber main box and its related structure.
FIG. 5 is a schematic view of the radon chamber main box and its related structure shown in the rear view of the radon chamber main box.
Detailed Description
The foregoing and other technical matters, features and effects of the present invention will be apparent from the following detailed description of the embodiments, which is to be read in connection with the accompanying drawings of fig. 1 to 5. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.
Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.
An embodiment, the utility model relates to a novel emanometer calibrating installation, a serial communication port, including radon chamber owner box 1, radon chamber owner box 1 fixed intercommunication respectively have exhaust filter chamber 2, admit air filter chamber 3, radon source distribution chamber 4, atmospheric control room 5, wherein:
the radon chamber main box body 1 is used for instrument detection, a stable radon concentration field is generated in the radon chamber main box body 1 and is used for calibrating the radon measuring instrument, and meanwhile, the radon chamber main box body 1 is also used as a main box body of a temperature and humidity box and can keep a stable temperature and humidity environment;
the exhaust filter chamber 2 is filled with active carbon, the exhaust filter chamber 2 is communicated with the outside, when the radon chamber main box body 1 discharges radon, the radon needs to be filtered out through the exhaust filter chamber 2 in order to reduce the pollution to the environment, the exhaust filter chamber 2 is filled with the active carbon to play a role of adsorbing the radon, and the radon is directly discharged to the outside after the exhaust filter chamber 2 is discharged;
the air inlet filter chamber 3 is filled with active carbon, the air inlet filter chamber 3 is communicated with the outside, when radon is discharged from the radon chamber main box body 1, in order to ensure the balance of the air pressure inside and outside the radon chamber, the radon chamber air inlet needs to be filled with the active carbon, large particles are filtered, other substances are adsorbed, and the air inlet of the air inlet filter chamber 3 is arranged indoors, so that the radon chamber air inlet passes through the air inlet filter chamber 3;
a radon source and a radon gas source box 6 are placed in the radon source distribution chamber 4, the radon source and the radon gas source box 6 are both communicated with a radon source concentration circulator 7 placed in the radon source distribution chamber 4, a radon source chamber 18 containing a radon source is arranged in the radon source distribution chamber 4, the radon source is an Ra-226 source adsorbed by resin, the radon source chamber 18 is communicated with the radon source concentration circulator 7 through a pipeline, the radon source concentration circulator 7 is communicated with a radon concentration regulating instrument 8 placed in the radon source distribution chamber 4, the radon concentration regulating instrument 8 is communicated with the radon chamber main box body 1, when the radon gas is generated, the radon source concentration circulator 7 is needed to distribute the gas into the radon source box firstly, the radon concentration circulator is used for mixing the radon source with the air to form high-concentration radon gas, and when the radon gas is generated, the radon concentration regulating instrument 8 is used to take the gas from the radon gas source box 6;
the temperature and humidity control room is internally provided with a dehumidifying air conditioner, a cooling air conditioner, a heater and a humidifying boiler, which are all conventional common structures, wherein the dehumidifying air conditioner is used for dehumidifying, the cooling air conditioner is used for reducing the temperature, the heater is used for increasing the temperature, the heater can be an air conditioner or other common heating equipment, the humidifying boiler is used for heating water to generate the increased air humidity, and the dehumidifying air conditioner, the cooling air conditioner and the heater are separately arranged, so that the simultaneous multiple adjustment can be realized;
this embodiment is when specifically using, put into radon chamber main tank 1 with a plurality of emanometer that wait to detect, and close the door of radon chamber main tank 1 and seal radon chamber main tank 1, later through radon concentration regulation and control appearance 8 to filling into radon gas in the radon chamber main tank 1, radon concentration regulation and control appearance 8 and radon chamber main tank 1 pass through the pipeline intercommunication this moment, the radon concentration of whole environment of radon concentration regulation and control appearance 8 detectable, the radon gas concentration in the calibrating personnel accessible radon concentration regulation and control appearance 8 control radon chamber main tank 1, later the environment in accessible temperature and humidity control room 5 control radon chamber main tank 1, after the calibration, through exhaust filter chamber 2 and the filter chamber 3 of admitting air discharge the radon gas in the radon chamber main tank 1 can. The specific time and the flow of the verification can refer to the verification procedure of the JJG 825-plus 2013 radon measuring instrument
In the second embodiment, on the basis of the first embodiment, the radon gas source box 6 is an empty box, the radon gas source box 6 is communicated with the outside air, and a valve is arranged at the communication position of the radon gas source box 6 and the outside air, so that the radon gas source box 6 can be sealed when air is not needed to be supplemented.
In the third embodiment, on the basis of the first embodiment, a storage rack is arranged in the radon chamber main box body 1 and is used for placing the radon detectors to be detected in the radon chamber main box body 1, so that the detection of a plurality of radon detectors is facilitated;
the platform 9 is arranged outside the radon chamber main box body 1, a plurality of through holes 10 are arranged on one side of the radon chamber main box body 1, a plurality of sealing plugs 11 are detachably arranged in the through holes 10, a data line of the radon meter to be detected and arranged outside after penetrating through the sealing plugs 11, a computer of the corresponding radon meter can be placed on the platform 9 and connected with the corresponding data line, so that real-time monitoring data of the radon meter to be detected are obtained outside, and the relative ratio of the radon concentration of the radon meter to be regulated and controlled by the radon concentration regulation and control instrument 8 in the device is compared, and the accuracy of the radon meter is detected.
In the fourth embodiment, on the basis of the first embodiment, a computer 12 is fixedly connected to one side of the radon chamber main box body 1, the computer 12 is electrically connected with the radon source concentration circulator 7 and the radon concentration regulation and control instrument 8, and corresponding control software is installed in the computer 12, so that the computer 12 can directly control the on-off of the radon concentration circulator and the working state of the radon concentration regulation and control instrument 8;
radon room owner box 1 internal fixation connected with temperature sensor 13 and humidity transducer 14, temperature sensor 13, humidity transducer 14, dehumidification air conditioner, cooling air conditioner, heater, humidification boiler all with computer 12 electricity connect, the integrated well accuse module that has in computer 12, install control software in the computer 12, the operating condition of accessible well accuse module control dehumidification air conditioner, cooling air conditioner, heater, humidification boiler accepts the real-time information in the radon room owner box 1 of temperature sensor 13, the monitoring of humidity transducer 14.
Fifth embodiment, on the basis of first embodiment, novel emanometer calibrating installation still include water purification system 15, water purification system 15 with humidification boiler intercommunication, water purification system 15 is linked together with external water source, water purification system 15 is common distillation water purification installation for there are not other magazines in the water that obtains, from preventing that the water vapor that humidification boiler evaporates influences the environment in the radon chamber main tank body 1, thereby influences the verification result.
Sixth embodiment, on the basis of first embodiment, the communicating parts of the main box body 1 of the radon chamber, the exhaust filter chamber 2 and the temperature and humidity control chamber 5 are all provided with fans 16, the fans 16 at the main box body 1 of the radon chamber and the exhaust filter chamber 2 are used for pumping the radon gas in the main box body 1 of the radon chamber into the exhaust filter chamber 2 after the verification is finished and discharging the radon gas to the outside through filtering, the fans 16 at the temperature and humidity control chamber 5 are the same as those used for blowing the gas after heating, cooling, humidifying and dehumidifying into the main box body 1 of the radon chamber and circulating the radon gas in the main box body 1 of the radon chamber into the temperature and humidity control chamber 5 for treatment, so as to form an environment in the main box body 1 of the radon chamber with stable circulation, the fans 16 are fans 16 with louvers, and the arrangement can seal the corresponding communicating parts when not needed, thereby not.
In the seventh embodiment, on the basis of the first embodiment, the radon chamber main box body 1 is fixedly communicated with the transition chamber 17, and the transition chamber 17 plays a role of double-door protection in order to prevent radon gas inside from diffusing to the room where the radon chamber is located when the radon chamber main box body 1 enters and exits.
When the utility model is used in concrete, a plurality of radon detectors to be detected are placed into a main box body 1 of a radon chamber, a data line of the radon detector to be detected and a sealing plug 11 are arranged outside, a computer of the corresponding radon detector can be prevented from being connected with the corresponding data line on a platform 9, so that real-time monitoring data with the detected radon detector can be obtained outside, then doors of the main box body 1 of the radon chamber and a transition chamber 17 are closed, then radon gas is filled into the main box body 1 of the radon chamber through the radon concentration controller 8, at the moment, the radon concentration controller 8 is communicated with the main box body 1 of the radon chamber through a pipeline, the radon concentration controller 8 can detect the radon concentration of the whole environment, a detector can control the radon gas concentration in the main box body 1 of the radon chamber through the radon concentration controller 8, then the environment in the main box body 1 of the radon chamber can be controlled through a temperature and humidity control chamber 5, the real-time monitoring data of the radon detector to be read by an external computer and the real-time monitoring data of, thereby verifying the accuracy of the emanometer;
after the verification is finished, the radon gas in the radon chamber main box body 1 is exhausted by the fan 16 of the exhaust filtering chamber 2, and in the process, the air inlet filtering chamber 3 can supplement gas in the radon chamber main box body 1 under the air exhaust action of the fan 16 to ensure the air pressure.
The utility model is improved aiming at the problem that the prior device can not simultaneously detect a plurality of radon measuring instruments and the temperature and humidity need to be regulated again during each detection, and the radon measuring instruments can be effectively and simultaneously detected by adopting the air circulation system formed by the main box body of the radon chamber, the air inlet filter chamber and the air outlet filter chamber; the radon concentration in the main box body of the radon chamber is controlled by a radon concentration regulating instrument and a radon source concentration circulator, the same detection environment is provided for the calibrated radon measuring instrument, and transverse comparison is convenient to perform during calibration; through temperature sensor, humidity transducer, atmospheric control room and computer, the environmental condition in the control radon room main tank for treat many emanometers of examination and determine and be in same environment, the control environment of being more convenient for, the horizontal contrast of realization that can be better simultaneously, the utility model discloses the structure is succinct, and the operation of being convenient for can effectual examination many emanometers and the humiture of simultaneous control emanometer environment, the practicality is strong.

Claims (10)

1. A novel radon measuring instrument calibrating device is characterized by comprising a radon chamber main box body (1), wherein the radon chamber main box body (1) is respectively and fixedly communicated with an exhaust filtering chamber (2), an intake filtering chamber (3), a radon source distributing chamber (4) and a temperature and humidity control chamber (5);
the exhaust filter chamber (2) is filled with active carbon, and the exhaust filter chamber (2) is communicated with the outside;
the air inlet filter chamber (3) is filled with active carbon, and the air inlet filter chamber (3) is communicated with the outside;
a radon source and a radon gas source box (6) are arranged in the radon source distribution chamber (4), the radon source and the radon gas source box (6) are both communicated with a radon source concentration circulator (7) arranged in the radon source distribution chamber (4), the radon source concentration circulator (7) is communicated with a radon concentration regulating instrument (8) arranged in the radon source distribution chamber (4), and the radon concentration regulating instrument (8) is communicated with the radon chamber main box body (1);
the temperature and humidity regulation and control chamber is internally provided with a dehumidification air conditioner, a cooling air conditioner, a heater and a humidification boiler.
2. The novel radon measuring instrument calibrating device as claimed in claim 1, wherein a radon source chamber (18) containing a radon source is arranged in the radon source distributing chamber (4), and the radon source is an Ra-226 source adsorbed by resin.
3. The novel radon detector calibrating device as claimed in claim 1, wherein the radon gas source box (6) is an empty box, and the radon gas source box (6) is communicated with the outside air.
4. The novel radon measuring instrument calibrating device as claimed in claim 1, wherein a commodity shelf is arranged in the radon chamber main box body (1).
5. The novel radon measuring instrument calibrating device as claimed in claim 1, wherein a platform (9) is arranged outside the radon chamber main box body (1), a plurality of through holes (10) are formed in one side of the radon chamber main box body (1), and sealing plugs (11) are detachably mounted in the plurality of through holes (10).
6. The novel radon measuring instrument calibrating device as claimed in claim 1, wherein a computer (12) is fixedly connected to one side of the radon chamber main box body (1), and the computer (12) is electrically connected with the radon source concentration circulating instrument (7) and the radon concentration regulating instrument (8).
7. The novel radon measuring instrument calibrating device as claimed in claim 6, wherein a temperature sensor (13) and a humidity sensor (14) are fixedly connected in the radon chamber main box body (1), and the temperature sensor (13), the humidity sensor (14), the dehumidifying air conditioner, the cooling air conditioner, the heater and the humidifying boiler are electrically connected with the computer (12).
8. The novel radon measuring instrument calibrating device as claimed in claim 1, further comprising a water purifying system (15), wherein the water purifying system (15) is communicated with the humidifying boiler.
9. The novel radon measuring instrument calibrating device as claimed in claim 1, wherein fans (16) are arranged at the communication positions of the radon main box body, the exhaust and filtering chamber (2) and the temperature and humidity control chamber (5), and the fans (16) are fans (16) with shutters.
10. The novel radon measuring instrument calibrating device as claimed in claim 1, wherein the radon chamber main box body (1) is fixedly communicated with a transition chamber (17).
CN202020061417.XU 2020-01-13 2020-01-13 Novel emanometer calibrating device Active CN211293281U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020061417.XU CN211293281U (en) 2020-01-13 2020-01-13 Novel emanometer calibrating device

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Application Number Priority Date Filing Date Title
CN202020061417.XU CN211293281U (en) 2020-01-13 2020-01-13 Novel emanometer calibrating device

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CN211293281U true CN211293281U (en) 2020-08-18

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113703032A (en) * 2021-08-24 2021-11-26 核工业北京化工冶金研究院 Radon measuring and dehumidifying method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113703032A (en) * 2021-08-24 2021-11-26 核工业北京化工冶金研究院 Radon measuring and dehumidifying method
CN113703032B (en) * 2021-08-24 2024-02-09 核工业北京化工冶金研究院 Radon measurement dehumidification method

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