CN212675188U - Radon daughter alpha ray detection device - Google Patents

Abstract

The utility model relates to a radioactive element detects the field, especially relates to a radon daughter alpha ray detection device. Including square boxed detection storehouse the outside top in detection storehouse is provided with the bellying, and the corresponding top in the storehouse inboard is provided with the depressed part, and install the radioactivity detector in the depressed part, the probe of radioactivity detector is vertical down, and is corresponding install the detection dish in the direction that the radioactivity detector probe moved towards, be provided with the circular recess that is used for placing the collection piece on the detection dish, and be provided with on the arbitrary lateral wall in detection storehouse and be used for inserting the fourth opening of detection dish. The collecting piece is placed in the detection bin, and then the radioactive detector is started, so that the radon daughter content on the collecting piece is detected.

Description

Radon daughter alpha ray detection device

Technical Field

The utility model relates to a radioactive element detects the field, especially relates to a radon daughter alpha ray detection device.

Background

The radon is generally in the form of radon gas, is colorless, odorless and tasteless inert gas and has radioactivity. After a person inhales into the body, decayed alpha particles of radon can cause radiation damage to the respiratory system of the person, and lung cancer is caused.

At present, in many fields, radon daughter detection is involved, for example, radon daughter content detection in soil of building sites, mineral resource exploration and the like, radon daughter is generally collected and then detected, so it is necessary to provide a radon daughter content detection device to facilitate radon daughter content detection.

SUMMERY OF THE UTILITY MODEL

The utility model provides a radon daughter alpha ray detection device has realized detecting radon daughter content.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a radon daughter static collection device, includes the collection storehouse and the absorption storehouse of mutual intercommunication, install first air cock and the second air cock that the intercommunication was collected the storehouse inside and outside on the lateral wall in collection storehouse, the intake pipe is connected to first air cock, and the outlet duct is connected to the second air cock, it is used for inserting the first opening of catch tray to be provided with one on the absorption storehouse, be provided with on the catch tray and be used for depositing the collection piece recess, and install high-pressure module in the absorption storehouse, the sheetmetal of high-pressure module with insert the collection piece contact on the collection tray in the absorption storehouse opening.

Preferably, collecting tray one end is connected with the L type connecting rod of constituteing by two mutually perpendicular's pole bodies, and one of them pole body fixed connection of L type connecting rod is in the one end of collecting tray, and another pole body is installed on the both ears seat that sets up on the outer roof of adsorption bin through a pivot to make L type connecting rod can rotate around the circumference of pivot, and then drive the collecting tray and insert in the first opening in adsorption bin.

Preferably, the groove center position department of catch tray is provided with first through-hole, first through-hole diameter equals the diameter of collecting the piece, encircles first through-hole circumference is provided with two-layer upper bulge loop and the bulge loop of lower floor that are parallel to each other, and the clearance between upper bulge loop and the bulge loop of lower floor is greater than the thickness of collecting the piece for the piece can be placed between upper bulge loop and the bulge loop of lower floor, and the one end that L type connecting rod was kept away from to the catch tray is provided with the second opening with first through-hole intercommunication, the sheetmetal insert the second opening with the piece contacts.

Furthermore, the one end that L type connecting rod was kept away from to upper bulge loop is provided with the third opening, and the width of third opening equals or is greater than the diameter of collecting the piece to be convenient for collect the piece and put into between upper bulge loop and the lower floor's bulge loop, and the one end that L type connecting rod was kept away from to lower floor's bulge loop is provided with the opening that forms the second opening, thereby be convenient for the sheetmetal stretch into this opening with collect the piece contact.

Preferably, the upper layer convex ring and the lower layer convex ring are composed of convex rings which are spaced from each other. The convex rings can form an upper layer convex ring or a lower layer convex ring at equal intervals on the circumference of the first through hole.

Further, the pull rod is installed to the one end that the binaural seat was kept away from to L type connecting rod, the one end of pull rod through the pivot with L type connecting rod swing joint, the other end and the spacing post contact of pull rod prevent that the pull rod from driving L nature connecting rod motion, pull out the catch tray from first opening. Thereby when collecting the radon daughter, prevent through spacing post that the catch tray breaks away from first opening, when collecting and accomplishing or placing the collection piece, accessible counter-clockwise turning pull rod for the pull rod breaks away from spacing post, at the pulling pull rod, thereby pull out first opening with the catch tray, take off again collect the piece or put into collect the piece can.

Preferably, the collecting tray and the L-shaped connecting rod are made of insulators, so that the electric shock phenomenon is prevented when the metal sheet is electrified with high voltage.

Still further, a humidity sensor for detecting the humidity inside the collection bin is mounted on the bin wall of the collection bin.

The utility model provides a radon daughter alpha ray detection device that above-mentioned radon daughter static collection device of cooperation used, includes the detection storehouse of square box-packed the outside top of detecting the storehouse is provided with the bellying, and the top inboard in the storehouse that corresponds is provided with the depressed part, and install the radioactivity detector in the depressed part, the probe of radioactivity detector is vertical down, corresponds install the detection dish in the direction that the radioactivity detector probe moved towards, be provided with the circular recess that is used for placing the collection piece on the detection dish, and be provided with on detecting an arbitrary lateral wall in storehouse and be used for inserting the fourth opening of detection dish.

Preferably, the one end that is close to fourth open-ended one end and installs the dwang after detecting the dish and inserting the fourth opening, the other end activity of dwang is installed in the pivot, the pivot is installed on the lateral wall in storehouse to make the dwang can revolute the circumferencial direction rotation of rotation shaft, thereby it inserts in the fourth opening or roll out inside the fourth opening to drive the detection dish.

Furthermore, the one end that the pivot was kept away from to the dwang is provided with the boss of the operation dwang of being convenient for.

Preferably, a second through hole is arranged at the center of the circular groove, the diameter of the second through hole is smaller than that of the collecting sheet, and the diameter of the circular groove is equal to or slightly larger than that of the collecting sheet.

Preferably, the radioactivity detector adopts a gold silicon surface barrier type detector.

An electrostatic alpha card radon measuring instrument combining the radon daughter electrostatic collecting device and the radon daughter alpha ray detection device comprises a power module, a control module, the radon daughter electrostatic collecting device and the radon daughter alpha ray detection device which are installed on an operation board, a touch display screen is installed on the operation board, a third air nozzle and a fourth air nozzle which penetrate through the operation board, one end of the third air nozzle is connected with an air inlet end of an air pump, the air inlet end of the air pump is connected with an air inlet pipe connected with the first air nozzle, the other end of the third air nozzle is connected with a gas collection device through an air pipe, the fourth air nozzle is connected with an air outlet pipe connected with the second air nozzle, and the air pump and the gold silicon barrier type detector are controlled through the control module;

preferably, collection system is including having a tip sealed and an open-ended metal pipeline, and metal pipeline keeps away from open-ended one end and passes through the trachea and connect the third air cock, during the use, will metal pipeline possesses open-ended one end just to soil, and the heavy hammer of rethread is with metal pipeline hammer to soil in, start the air pump, with the gas pump in the soil go into collect the storehouse can.

Preferably, the operating panel is provided with a charging interface, a USB interface, a communication indicator light and a power switch.

Preferably, the operation panel is installed in a case having an opening, and the opening is closed by the operation panel so that the case and the operation panel form a container chamber, and a cover connected by a hinge is provided on the case.

Preferably, the collecting bin of the radon daughter electrostatic collecting device is positioned in a container chamber formed by the box body and the operating panel, and the adsorption bin is positioned outside the container chamber; and the radon daughter alpha ray detection device is also positioned outside the chamber of the container, so that the collection sheet is conveniently placed in the adsorption bin or the radon daughter alpha ray detection device.

Further, still install the desicator in the intake pipe, carry out the drying to the gas that gets into the collection storehouse through the desicator to make subsequent testing result more accurate.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a radon daughter static collection device has realized the collection of radon daughter, facilitates for radon daughter content testing. The alpha ray detection device of the radon daughter is matched with the electrostatic radon daughter collection device, so that the content of the radon daughter is detected; further, an electrostatic alpha card radon measuring instrument that combines above-mentioned radon daughter static collection device and radon daughter alpha ray detection device is provided, has realized the detection to radon daughter content, and the utility model discloses it is small, conveniently carry.

Drawings

FIG. 1 is a schematic view of the entire external structure of the radon daughter electrostatic collecting device of the present invention;

FIG. 2 is a schematic view of the first opening of the electrostatic radon collector of the present invention;

FIG. 3 is a schematic view of the installation position of the collecting tray of the electrostatic radon collector of the present invention;

FIG. 4 is a schematic view showing the position relationship between the collecting tray and the metal sheet of the electrostatic radon collector of the present invention;

FIG. 5 is a schematic view of the gap between the upper convex ring and the lower convex ring of the electrostatic radon collector of the present invention;

FIG. 6 is a schematic view of the external structure of the radon daughter alpha ray detection device of the present invention;

FIG. 7 is a cross-sectional view of the radon daughter alpha ray detection device of the present invention showing the position relationship between the radioactive detector and the detection plate;

FIG. 8 is a detailed view of the radon daughter alpha ray detection device of the present invention;

fig. 9 is a schematic view of the overall structure of an electrostatic alpha-card radon measuring instrument of the present invention;

fig. 10 is a schematic view of the electrostatic alpha-card radon measuring instrument of the present invention after being assembled with a case;

description of reference numerals: 1. a collection bin; 2. an adsorption bin; 3. a first air tap; 4. a second air tap; 5. a humidity sensor; 6, an L-shaped connecting rod; 7. a pull rod; 8. a limiting column; 9. a binaural seat; 10. a first opening; 11. a collection tray; 12. collecting the slices; 13. a high voltage module; 14. a metal sheet; 15. a second opening; 16. an upper layer convex ring; 17. a lower layer convex ring; 18. a first through hole; 19. a third opening; 20. a detection bin; 21. a second through hole; 22. a boss portion; 23. rotating the rod; 24. a boss; 25. a recessed portion; 26. a radioactivity detector; 27. detecting a disc; 28. a circular groove; 29. an operation panel; 30. a power switch; 31. a touch display screen; 32. a third air tap; 33. a fourth air tap; 34. a box body; 35. and a box cover.

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 embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 5, a radon daughter static collection device, collection storehouse 1 and absorption storehouse 2 including mutual intercommunication, install first air cock 3 and the second air cock 4 of intercommunication collection storehouse 1 inside and outside on the lateral wall of collection storehouse 1, first air cock 3 is connected the intake pipe, and the outlet duct is connected to second air cock 4, be provided with a first opening 10 that is used for inserting collecting tray 11 on the absorption storehouse 2, be provided with on the collecting tray 11 and be used for depositing collecting piece 12 recess, and install high pressure module 13 in the absorption storehouse 2, high pressure module 13's sheetmetal 14 with insert the collecting piece 12 contact on the collecting tray 11 in the absorption storehouse 2 opening.

Preferably, one end of the collecting tray 11 is connected with an L-shaped connecting rod 6 composed of two rods perpendicular to each other, one rod of the L-shaped connecting rod 6 is fixedly connected to one end of the collecting tray 11, and the other rod is installed on a double-lug seat 9 arranged on the outer top wall of the adsorption bin 2 through a rotating shaft, so that the L-shaped connecting rod 6 can rotate around the circumferential direction of the rotating shaft, and the collecting tray 11 is driven to be inserted into the first opening 10 of the adsorption bin 2.

Preferably, a first through hole 18 is formed in the center of the groove of the collecting tray 11, the diameter of the first through hole 18 is equal to the diameter of the collecting piece 12, two layers of upper-layer convex rings 16 and lower-layer convex rings 17 which are parallel to each other are arranged around the circumference of the first through hole 18, the gap between the upper-layer convex rings 16 and the lower-layer convex rings 17 is larger than the thickness of the collecting piece 12, so that the collecting piece 12 can be placed between the upper-layer convex rings 16 and the lower-layer convex rings 17, a second opening 15 communicated with the first through hole 18 is formed in one end, away from the L-shaped connecting rod 6, of the collecting tray 11, and the metal sheet 14 extends into the second opening 15 to be in contact with the collecting piece 12.

Further, a third opening 19 is formed at one end of the upper-layer convex ring 16 far away from the L-shaped connecting rod 6, the width of the third opening 19 is equal to or larger than the diameter of the collecting piece 12, so that the collecting piece 12 can be conveniently placed between the upper-layer convex ring 16 and the lower-layer convex ring 17, and an opening forming a second opening 15 is formed at one end of the lower-layer convex ring 17 far away from the L-shaped connecting rod 6, so that the metal piece 14 can extend into the opening to be in contact with the collecting piece 12.

Preferably, the upper protruding ring 16 and the lower protruding ring 17 are composed of protruding rings spaced from each other. The convex rings can form an upper convex ring 16 or a lower convex ring 17 at equal intervals on the circumference of the first through hole 18.

Further, pull rod 7 is installed to the one end that L type connecting rod 6 keeps away from binaural seat 9, the one end of pull rod 7 through the pivot with L type connecting rod 6 swing joint, the other end and the spacing post 8 contact of pull rod 7 prevent that pull rod 7 from driving L type connecting rod 6 and rotating, pull out catch tray 11 from first opening 10. Thereby when collecting the radon daughter, prevent through spacing post 8 that collecting tray 11 breaks away from first opening 10, when collecting the completion or placing collection piece 12, accessible counter-clockwise turning pull rod 7 for pull rod 7 breaks away from spacing post 8, at pulling pull rod 7, thereby pull out first opening 10 with collecting tray 11, take off collection piece 12 again or put into collection piece 12 can.

Preferably, the collecting tray 11 and the L-shaped connecting rod 6 are made of insulators to prevent the metal sheet 14 from electric shock when high voltage is applied.

Still further, a humidity sensor 5 for detecting the humidity inside the collection bin 1 is installed on the bin wall of the collection bin 1.

Referring to fig. 6 to 8, the radon daughter alpha ray detection device used in cooperation with the radon daughter static electricity collection device comprises a detection bin 20 which is square-box-shaped, wherein a convex portion 22 is arranged at the top of the outer side of the detection bin 20, a concave portion 25 is correspondingly arranged at the top of the inner side of the detection bin 20, a radioactive detector 26 is arranged in the concave portion 25, a probe of the radioactive detector 26 faces downwards vertically, a detection plate 27 is correspondingly arranged in the direction towards which the probe of the radioactive detector 26 faces, a circular groove 28 for placing the collection sheet 12 is arranged on the detection plate 27, and a fourth opening for inserting the detection plate 27 is arranged on any one side wall of the detection bin 20.

Preferably, detect that dish 27 inserts and is close to the one end that the dwang 23 was installed to fourth open-ended one end behind the fourth opening, the installation of the other end activity of dwang 23 is in the pivot, the pivot is installed on the lateral wall that detects storehouse 20 to make dwang 23 can revolute the circumferencial direction rotation of rotation axle, thereby it inserts in the fourth opening or roll out inside the fourth opening to drive and detect dish 27.

Further, a boss 24 for facilitating the operation of the rotating rod 23 is disposed at one end of the rotating rod 23 away from the rotating shaft.

Preferably, a second through hole 21 is provided at the center of the circular groove 28, the diameter of the second through hole 21 is smaller than the diameter of the collecting sheet 12, and the diameter of the circular groove 28 is equal to or slightly larger than the diameter of the collecting sheet 12.

Preferably, the radioactivity detector 26 is a gold silicon surface barrier type detector.

Referring to fig. 9 to 10, an electrostatic alpha card radon measuring instrument combining the electrostatic radon collecting device and the alpha ray detecting device comprises a power module, a control module, and the electrostatic radon collecting device and the alpha ray detecting device mounted on an operation panel 29, wherein a touch display screen 31, and a third air nozzle 32 and a fourth air nozzle 33 penetrating through the operation panel 29 are mounted on the operation panel 29, one end of the third air nozzle 32 is connected with an air inlet end of an air pump, the air inlet end of the air pump is connected with an air inlet pipe connected with a first air nozzle 3, the other end of the third air nozzle 32 is connected with an air collecting device through an air pipe, the fourth air nozzle 33 is connected with an air outlet pipe connected with a second air nozzle 4, and the air pump and the gold silicon barrier type detector are controlled by the control module;

preferably, collection system is including having a tip sealed and an open-ended metal pipeline, and metal pipeline keeps away from open-ended one end and passes through trachea connection third air cock 32, during the use, will metal pipeline possesses open-ended one end just to soil, and the heavy hammer of rethread is with metal pipeline hammer to soil in, start the air pump, with the gas pump in the soil go into collect storehouse 1 can.

Preferably, the operation panel 29 is provided with a charging interface, a USB interface, a communication indicator lamp, and a power switch 30.

Preferably, the operation panel 29 is installed in a case 34 having an opening, and the opening is closed by the operation panel 29 so that the case 34 and the operation panel 29 form a container chamber, and a cover 35 connected by a hinge is provided on the case 34.

Preferably, the collecting bin 1 of the radon daughter electrostatic collecting device is positioned in a container chamber formed by the box body 34 and the operating plate 29, and the adsorption bin 2 is positioned outside the container chamber; and the radon daughter alpha ray detection device is also positioned outside the chamber of the container, so that the collection sheet 12 can be conveniently placed in the adsorption bin 2 or the radon daughter alpha ray detection device.

Further, still install the desicator in the intake pipe, carry out the drying to the gas that gets into collection storehouse 1 through the desicator to make subsequent testing result more accurate.

Through an electrostatic alpha card emanometer during measuring radon content in soil, will metal pipeline possesses open-ended one end just to soil, heavy hammer of rethread is with metal pipeline hammer to soil in, start the air pump, go into collection storehouse 1 with the gas pump in the soil. After the collection is accomplished, pressurize collection piece 12 through high pressure module 13 to make the radon daughter adsorbed on collecting piece 12, after the absorption is accomplished, take out collection piece 12, will collect piece 12 and put into radon daughter alpha ray detection device, detect through radioactive detector 26, thereby realized the detection to radon daughter content in the soil.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (5)

1. A radon daughter alpha ray detection device is characterized in that: including square boxed detection storehouse (20) the outside top of detecting storehouse (20) is provided with bellying (22), and the corresponding top of detecting storehouse (20) inboard is provided with depressed part (25), and install radioactivity detector (26) in depressed part (25), the vertical down of probe of radioactivity detector (26), corresponding install on the direction that radioactivity detector (26) probe was faced and detect dish (27), be provided with on detecting dish (27) and be used for placing circular recess (28) of collecting piece (12), and be provided with on detecting storehouse (20) arbitrary lateral wall and be used for inserting detect the fourth opening of dish (27).

2. The radon daughter alpha ray detection device as claimed in claim 1, wherein: detect dish (27) and insert the one end that is close to fourth open-ended one end and installs dwang (23) behind the fourth opening, the other end activity of dwang (23) install in the pivot, the pivot is installed on the lateral wall that detects storehouse (20) to make dwang (23) can revolute the circumferencial direction rotation of axle, thereby it inserts in the fourth opening or roll out the fourth opening inside to drive detection dish (27).

3. The radon daughter alpha ray detection device as claimed in claim 2, wherein: the one end that pivot was kept away from in dwang (23) is provided with boss (24) of being convenient for operate dwang (23).

4. The radon daughter alpha ray detection device as claimed in claim 1, wherein: a second through hole (21) is arranged at the central position of the circular groove (28), the diameter of the second through hole (21) is smaller than that of the collecting sheet (12), and the diameter of the circular groove (28) is equal to or slightly larger than that of the collecting sheet (12).

5. The radon daughter alpha ray detection device as claimed in any one of claims 1 to 4, wherein: the radioactivity detector (26) adopts a gold silicon surface barrier type detector.

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