CN220603708U - Adsorption radon measuring device - Google Patents
Adsorption radon measuring device Download PDFInfo
- Publication number
- CN220603708U CN220603708U CN202322251823.9U CN202322251823U CN220603708U CN 220603708 U CN220603708 U CN 220603708U CN 202322251823 U CN202322251823 U CN 202322251823U CN 220603708 U CN220603708 U CN 220603708U
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- radon measuring
- adsorption
- measuring device
- gas
- middle cavity
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- 229910052704 radon Inorganic materials 0.000 title claims abstract description 52
- SYUHGPGVQRZVTB-UHFFFAOYSA-N radon atom Chemical compound [Rn] SYUHGPGVQRZVTB-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 238000001179 sorption measurement Methods 0.000 title claims abstract description 34
- 230000006835 compression Effects 0.000 claims abstract description 28
- 238000007906 compression Methods 0.000 claims abstract description 28
- 238000007789 sealing Methods 0.000 claims description 18
- 238000005259 measurement Methods 0.000 claims description 2
- 230000007306 turnover Effects 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 claims 3
- 238000012360 testing method Methods 0.000 abstract description 15
- 230000007246 mechanism Effects 0.000 abstract description 10
- 239000012535 impurity Substances 0.000 abstract description 6
- 230000000149 penetrating effect Effects 0.000 abstract description 4
- 238000005457 optimization Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 5
- 239000002689 soil Substances 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Measurement Of Radiation (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses an adsorption type radon measuring device which comprises a radon measuring instrument, a gas collecting cover, an air inlet pipe and an air outlet pipe, wherein one end of the air inlet pipe is connected with the radon measuring instrument, the other end of the air inlet pipe is connected with the gas collecting cover through an adsorption mechanism, the adsorption mechanism comprises a cylinder body, a filter cylinder and a compression ring, a first middle cavity penetrating through the body of the cylinder body is arranged on the cylinder body, an inlet hole and an outlet hole are respectively formed at the opposite ends of the filter cylinder, a second middle cavity penetrating through the body of the compression ring is arranged on the compression ring, the filter cylinder is arranged in the first middle cavity, the lower part of the compression ring is embedded into the first middle cavity to fix the filter cylinder in the cylinder body, one of the cylinder body and the compression ring is connected with the gas collecting cover, and the other one of the cylinder body and the compression ring is connected with the air inlet pipe. The filter cartridge of the utility model absorbs moisture and removes impurities from the gas entering the gas inlet pipe and the radon measuring instrument, thereby avoiding moisture from remaining in the gas inlet pipe or entering the radon measuring instrument, improving the testing accuracy, and the filter cartridge is arranged between the compression ring and the cylinder body and is in linear series connection with the first middle cavity, the second middle cavity and the gas inlet pipe, ensuring the gas to be the conveying amount, and improving the testing efficiency.
Description
Technical Field
The utility model relates to the technical field of radon measuring devices, in particular to an adsorption radon measuring device.
Background
Radon gas is a rare gas, colorless, odorless, and radioactive, and is generally measured by using a radon meter to measure the concentration of radon gas in a certain space. When radon is detected outdoors, corresponding to the precipitation measurement of soil radon, devices such as a gas collecting hood are needed to be used, namely, the gas collecting hood is buckled on soil, and gas collected in the gas collecting hood is fed into a radon measuring instrument through an air inlet pipe for testing.
When collecting gas in soil in the gas collecting hood, certain humidity is helpful for the precipitation of radon in the soil, but if the humid gas enters the radon measuring instrument through the gas inlet pipe, the test result can be influenced to a certain extent, and moisture and impurities in the gas need to be removed through the hygroscopic and adsorption materials so as to ensure the test effect. Among the prior art, in the detection mechanism of soil radon measuring instrument like application number 202222184159.6, it has used the cartridge filter, in order to make things convenient for the change of cartridge filter, slides through promoting the slide, switches other cartridge filters on right side to the position that corresponds with the breathing pipe, replaces the cartridge filter that reaches life, but the cartridge filter is installed in the middle part of intake pipe, and the front portion of intake pipe then probably accumulates moisture, moisture and impurity, influences gaseous pay-off, and this change structure is also comparatively complicated moreover.
The utility model provides an adsorption mechanism capable of being replaced simply, which is used for connecting a gas collecting hood with an air inlet pipe.
Disclosure of Invention
The utility model aims to provide an adsorption radon measuring device, wherein a filter cylinder is used for absorbing moisture and removing impurities from gas entering an air inlet pipe and a radon measuring instrument, so that moisture can be prevented from remaining in the air inlet pipe or entering the radon measuring instrument, the testing accuracy is improved, the filter cylinder is arranged between a compression ring and a cylinder body and is in linear series connection with a first middle cavity, a second middle cavity and the air inlet pipe, the gas is guaranteed to be conveyed, and the testing efficiency can be improved.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an adsorption type radon measuring device, includes radon measuring instrument, gas collecting channel, intake pipe and blast pipe, and it still includes adsorption equipment, the radon measuring instrument is connected to the one end of intake pipe, and the other end passes through adsorption equipment connects the gas collecting channel, adsorption equipment includes barrel, cartridge filter and clamping ring, be equipped with the first well chamber that runs through its body on the barrel, the opposite both ends of cartridge filter form respectively and are used for the inlet port and the apopore of gas business turn over, be equipped with the second well chamber that runs through its body on the clamping ring, the cartridge filter sets up in first well intracavity, the cartridge filter is fixed in the barrel in the first well intracavity of at least lower part embedding of clamping ring, the gas collecting channel is connected to one in barrel and the clamping ring, and the intake pipe is connected to the other.
As further optimization, one end of the filter cylinder is provided with a conical table structure, a limit step matched with the conical table structure is arranged in the first middle cavity, the conical table structure is abutted to the limit step, and the position of the filter cylinder in the cylinder body can be limited to be more accurate.
As further optimization, the conical table structure does not protrude out of the cylinder body, and the gas collecting hood or the gas inlet pipe is convenient to plug with the cylinder body.
As further optimization, the limiting step is positioned at the middle part of the first middle cavity, so that the lower part of the first middle cavity still has a space for being spliced with the gas collecting hood or the gas inlet pipe.
As further optimization, the whole side wall of the conical table structure is provided with a first positioning groove, a first sealing ring is arranged in the first positioning groove, and the first sealing ring is in interference butt joint with the limiting step, so that the sealing performance can be improved.
As further optimization, the compression ring is provided with external threads, one side, close to the compression ring, of the inner wall of the first middle cavity is provided with internal threads, and the compression ring is fixed in the cylinder body through the external threads and the internal threads in a threaded connection mode.
As further optimization, one end of the compression ring, which is close to the filter cartridge, is provided with a second positioning groove, a second sealing ring is arranged in the second positioning groove, and the second sealing ring is abutted to the side of the outlet hole on the filter cartridge.
As further optimization, a yielding gap is arranged on the outer side portion of the pressing ring, which is located on the cylinder body, and the yielding gap is annular.
As a further optimization, the filter cartridge further comprises a plug cover, wherein the plug cover is arranged on the cylinder body and the compression ring and is used for sealing the first middle cavity and the second middle cavity which are connected in series, and the filter cartridge is sealed through the plug cover when the adsorption mechanism is not used.
As further optimization, the radon measuring instrument is fixed in the box body, and the handle is arranged on the box body, so that convenience is realized.
Compared with the prior art, the utility model has the following beneficial effects:
1. the filter cartridge absorbs moisture and removes impurities from the gas entering the air inlet pipe and the radon measuring instrument, so that moisture can be prevented from remaining in the air inlet pipe or entering the radon measuring instrument, and the testing accuracy is improved;
2. the filter cartridge is arranged between the compression ring and the cylinder body and is in linear series connection with the first middle cavity, the second middle cavity and the air inlet pipe, so that the conveying amount of gas is ensured, and the testing efficiency can be improved;
3. the cartridge filter is installed in the barrel through the clamping ring, so that the cartridge filter is convenient to replace, and the cartridge filter can be quickly replaced when the test is performed for a plurality of times.
Drawings
Fig. 1 is a structural diagram of the present utility model.
Fig. 2 is a structural view of the adsorption mechanism of the present utility model.
Fig. 3 is a structural view of a filter cartridge of the present utility model.
Fig. 4 is a cross-sectional view of the cartridge of the present utility model.
Fig. 5 is a view of the bottom view of the press ring of the present utility model.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
As shown in fig. 1 to 5, an adsorption radon measuring device comprises a radon measuring instrument 1, a gas collecting hood 2, an air inlet pipe 3 and an air outlet pipe 4, wherein one end of the air outlet pipe 4 is connected with the radon measuring instrument 1, the other end is connected with an air duct 21 of the gas collecting hood 2, one end of the air inlet pipe 3 is connected with the radon measuring instrument 1, the other end is connected with the other air duct of the gas collecting hood 2 through an adsorption mechanism 5, the adsorption mechanism 5 comprises a cylinder 51, a filter cylinder 52 and a compression ring 53, a first middle cavity 510 penetrating through the body of the cylinder 51 is arranged on the cylinder 51, an inlet 521 and an outlet (not shown) for gas to enter and exit are respectively formed at two opposite ends of the filter cylinder 52, gas enters the filter cylinder from the inlet at the lower end and then flows out from the outlet at the upper end after being adsorbed, a second middle cavity 530 penetrating through the body of the compression ring 53 is arranged on the compression ring 53, the filter cylinder 52 is arranged in the first middle cavity 510, the lower part of the compression ring 53 is embedded in the first middle cavity 510 to fix the filter cylinder 52 in the cylinder 51, the cylinder 51 is connected with an air duct of the gas collecting hood 2, and the compression ring 53 is connected with the air inlet pipe 3.
In the utility model, when the gas collected in the gas collecting cover needs to be tested, the pump body in the radon measuring instrument works, the gas in the gas collecting cover is sucked into the radon measuring instrument through the gas inlet pipe, before entering the gas collecting pipe, the gas in the gas collecting cover firstly enters the first middle cavity 510 through the adsorption mechanism, namely, the gas enters the filter cylinder through the first gas inlet 512, then enters the filter cylinder through the inlet 521, moisture is absorbed and tiny particles are filtered by an adsorption material (such as activated carbon) in the filter cylinder, so that the purity of the gas is improved, then flows out of the filter cylinder through the outlet hole and enters the first middle cavity 510, then enters the second gas inlet 532 of the pressure ring 53 through the first middle cavity 510, enters the second middle cavity 530, and then the gas is sent into the gas inlet pipe 2 to the radon measuring instrument 1 through the gas outlet 531 for testing.
The utility model can improve the testing accuracy by absorbing moisture and removing impurities of the gas entering the radon measuring instrument through the filter cartridge; the filter cartridge is arranged between the gas collecting hood and the gas inlet pipe through the cylinder body and the compression ring as independent mechanisms, is convenient to install, can prevent moisture and the like from entering the gas inlet pipe, prevents the moisture and the like from being brought into the radon measuring instrument, and improves the testing accuracy; in addition, the filter cartridge is arranged between the compression ring and the cylinder body, is a linear flow channel, and is in linear series connection with the first middle cavity, the second middle cavity and the air inlet pipe, so that the conveying amount of air is ensured, and the testing efficiency is improved; the cartridge filter is installed in the barrel through the clamping ring, so that the cartridge filter is convenient to replace, and the cartridge filter can be quickly replaced when the test is performed for a plurality of times.
As further shown in fig. 3 and 4, one end of the filter cartridge 52 has a conical table structure 52a, a limit step 513 matching with the conical table structure 52a is disposed in the first middle cavity 510, the conical table structure 52a abuts against the limit step 513, so that the position of the filter cartridge 52 in the first middle cavity 510 can be limited, and the conical table structure 52a does not protrude from the cylinder body 51, so that gas can be guaranteed to enter the inlet hole of the filter cartridge through the first middle cavity.
Still further, the limiting step 513 is located at the middle position of the first middle cavity 510, so that it can be ensured that a part of the first middle cavity is still located below the limiting step, that is, it is ensured that the lower part of the first middle cavity located below the filter cartridge can be inserted into the air duct of the air-collecting hood.
The whole side wall of the conical table structure 52a is provided with a first positioning groove 522, a first sealing ring 523 is arranged in the first positioning groove 522, and the first sealing ring 523 is in interference butt joint with the limit step 513, so that air tightness is ensured.
As to the specific structure of the filter cartridge 52, continuing to refer to fig. 3, it has a cover 52b at the end remote from the conical land structure 52a, an outlet hole is formed in the cover, the adsorption material is placed in the filter cartridge by opening the cover, and then the cover is fixed to the body by means of adhesion, screwing or locking, thereby wrapping the adsorption material therein.
As shown in fig. 5, the lower part of the press ring 53 is provided with an external thread 534, one side of the inner wall of the first middle cavity 510, which is positioned at the upper opening 511, is provided with an internal thread 514, the external thread 534 is in threaded connection with the internal thread 514 to fix the press ring 53 in the cylinder 51, the threaded connection mode can realize quick assembly and disassembly, the position fixing of the filter cartridge abutted with the press ring can be ensured by the threaded connection limiting press ring,
the one end that is close to cartridge filter 52 on the clamping ring 53 is equipped with second constant head tank 535, is equipped with second sealing ring (not shown) in the second constant head tank 535, and the second sealing ring butt is in the side of cartridge filter 52 upper outlet, guarantees the gas tightness on the one hand, and on the other hand first sealing ring, second sealing ring's interference butt effect can guarantee the fixed position of cartridge filter.
The part of the compression ring 53, which is positioned at the outer side of the cylinder body 51, is provided with a yielding gap 533, and the yielding gap 533 is annular, so that the upper part of the compression ring has smaller fineness and can be conveniently spliced with an air inlet pipe.
In another embodiment of the present utility model, a plug cover (not shown) is further included, and a pair of plug covers are respectively installed on the first air inlet 512 of the cylinder and the air outlet 531 of the compression ring for sealing the first middle cavity 510 and the second middle cavity 530 connected in series, so as to ensure that the filter cartridge is not affected by the environment to the adsorption performance of the adsorption material therein.
In the radon measuring device, a radon measuring instrument 1 is fixed in a box 11, and a handle 12 is arranged on the box 11, so that the radon measuring instrument is portable.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (10)
1. The utility model provides an adsorption type radon measuring device, includes radon measuring instrument, gas collecting cover, intake pipe and blast pipe, its characterized in that still includes adsorption equipment, the radon measuring instrument is connected to the one end of intake pipe, and the other end passes through adsorption equipment connects the gas collecting cover, adsorption equipment includes barrel, cartridge filter and clamping ring, be equipped with the first well chamber that runs through its body on the barrel, the opposite both ends of cartridge filter form respectively and are used for the inlet opening and the apopore of gas business turn over, be equipped with the second well chamber that runs through its body on the clamping ring, the cartridge filter sets up in first well intracavity, the cartridge filter is fixed in the barrel in the first well intracavity of at least lower part embedding of clamping ring, the gas collecting cover is connected to one of barrel and clamping ring, and the intake pipe is connected to the other.
2. The adsorption radon measuring device according to claim 1, wherein one end of the filter cartridge is provided with a conical table structure, a limit step matched with the conical table structure is arranged in the first middle cavity, and the conical table structure is abutted to the limit step.
3. The absorption radon measuring device according to claim 2, wherein said cone-shaped land structure does not protrude from said cylinder.
4. The absorption radon measuring device according to claim 2 or 3, wherein said limit step is located at a middle position of said first middle cavity.
5. The adsorption radon measurement device according to claim 2, wherein a first positioning groove is formed in the side wall of the whole body of the conical table structure, a first sealing ring is arranged in the first positioning groove, and the first sealing ring is in interference abutting connection with the limiting step.
6. The adsorption radon measuring device according to claim 1, wherein the compression ring is provided with external threads, one side, close to the compression ring, of the inner wall of the first middle cavity is provided with internal threads, and the external threads are in threaded connection with the internal threads to fix the compression ring in the cylinder.
7. The adsorption radon measuring device according to claim 6, wherein a second positioning groove is formed in one end, close to the filter cartridge, of the pressure ring, a second sealing ring is arranged in the second positioning groove, and the second sealing ring is abutted to the side of the outlet hole in the filter cartridge.
8. The adsorption radon measuring device according to claim 1, wherein a yielding gap is formed in the outer side portion of the compression ring, which is located on the cylinder body, and the yielding gap is annular.
9. The absorption radon measuring device according to claim 1, further comprising a plug cover mounted on said cylinder and pressure ring for sealing the first and second intermediate chambers in series.
10. The adsorption radon measuring device according to claim 1, wherein the radon measuring instrument is fixed in a box body, and a handle is arranged on the box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322251823.9U CN220603708U (en) | 2023-08-22 | 2023-08-22 | Adsorption radon measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322251823.9U CN220603708U (en) | 2023-08-22 | 2023-08-22 | Adsorption radon measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220603708U true CN220603708U (en) | 2024-03-15 |
Family
ID=90171110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322251823.9U Active CN220603708U (en) | 2023-08-22 | 2023-08-22 | Adsorption radon measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220603708U (en) |
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2023
- 2023-08-22 CN CN202322251823.9U patent/CN220603708U/en active Active
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