CN207318304U - It is a kind of to detect device of the mask to various concentrations radon gas adsorption efficiency - Google Patents
It is a kind of to detect device of the mask to various concentrations radon gas adsorption efficiency Download PDFInfo
- Publication number
- CN207318304U CN207318304U CN201721461133.4U CN201721461133U CN207318304U CN 207318304 U CN207318304 U CN 207318304U CN 201721461133 U CN201721461133 U CN 201721461133U CN 207318304 U CN207318304 U CN 207318304U
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- China
- Prior art keywords
- communicating pipe
- mask
- fixture block
- pipe
- pressing plate
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Abstract
Device of the mask to various concentrations radon gas adsorption efficiency is detected the utility model discloses a kind of, including buffering blending bin, the first communicating pipe and the second communicating pipe, first communicating pipe is fixedly connected with the second communicating pipe by fixed fixture block, the fixed fixture block is internally provided with card slot, second communicating pipe is equipped with frequency conversion fan away from the one end for fixing fixture block, first communicating pipe, one end away from fixed fixture block was connected with bellows, and the one end of the bellows away from the first communicating pipe is fixedly connected with the second seal pipe.A kind of gear for detecting mask to the device of various concentrations radon gas adsorption efficiency by varying frequency conversion fan, simulate the different respiratory rates of people, it can be used cooperatively by preparing multigroup mask fixture block and different masks, need to only mask fixture block be extracted out side by, which realizing, can replace mask, pass through the flexible connection of two seal pipes, realize the present apparatus and be segmented into two parts, easy to carry and installation.
Description
Technical field
The anti-radon detection technique field of mask is the utility model is related to, is specially that a kind of detection mask inhales various concentrations radon gas
The device of attached efficiency.
Background technology
International Atomic Energy Agency points out that radon gas is to cause people to suffer from the second largest factor of lung cancer, uranium mining, hydrometallurgy of uranium and
Substantial amounts of radon gas and its daughter can be produced in the places such as nuclear fuel processing, it is with stronger radioactivity, to staff's body
Health causes serious threat, in terms of the mask that uranium ore worker is worn at present is concentrated mainly on filtering dust and absorption radon gas,
But the detection mask instrument fewer and present to the apparatus in terms of the characterization of adsorption of radon gas be when testing mask at present,
Installation for mask is also relatively cumbersome, and dismounting is also more troublesome after test is completed, when the mask for running into batch needs to test
When, workload is considerably increased, existing detection device does not possess disassembling function, the fixation and installation of device and the movement of device
All relatively cumbersome, spy proposes a kind of device of detection mask to various concentrations radon gas adsorption efficiency.
Utility model content
Device of the mask to various concentrations radon gas adsorption efficiency is detected the purpose of this utility model is to provide a kind of, with solution
Problem certainly proposed in the above background technology.
To achieve the above object, the utility model provides following technical solution：One kind detection mask is to various concentrations radon gas
The device of adsorption efficiency, including buffer blending bin, the first communicating pipe and are connected with second the second communicating pipe, first communicating pipe
Pipe is fixedly connected by fixed fixture block, and the fixed fixture block is internally provided with card slot, and the internal activity of the card slot is connected with mouth
Cover fixture block, the mask fixture block are internally provided with inside groove, and the slot bottom of the inside groove slidably connects pressing plate, and the side of pressing plate connects
Hose is connected to, the one end of the hose away from pressing plate is connected on the side wall of inside groove, the meta of the side wall of the pressing plate and inside groove
Spring is respectively connected with the both sides of hose, and the rotated down that the bottom of the pressing plate is located at hose is connected with fixing bolt, described
The one end of fixing bolt away from pressing plate is extended in the sets of holes inside mask fixture block, and the side wall of fixing bolt and mask fixture block is nibbled
Connection is closed, mask is connected between the side wall of side and inside groove of the pressing plate away from hose；
Second communicating pipe, one end away from fixed fixture block was equipped with frequency conversion fan, and first communicating pipe is away from fixing card
One end of block is connected with bellows, and the one end of the bellows away from the first communicating pipe is fixedly connected with the second seal pipe, described
Second seal pipe and the first seal pipe are flexibly connected, and first seal pipe is fixed on the side wall of buffering blending bin, and described the
The junction of one seal pipe and the second seal pipe is connected to the inside of card slot, and the card slot is located at the first geometrical clamp and second and fixes
On the medial surface of folder, the shaft that first geometrical clamp and the second geometrical clamp are equipped with by bottom is rotatablely connected, and described first is solid
The upper end of clamp is equipped with bayonet, and the upper end of the second geometrical clamp is equipped with bayonet lock, bayonet lock and bayonet the activity clamping, and the buffering is mixed
The upper end of mould assembling is fixedly connected with mixing wind turbine, and side is connected with appendix, and the one of first communicating pipe and the second communicating pipe
Side is equipped with RAD7 emanometers, and two RAD7 emanometers are connected by air inlet pipe and air outlet pipe with the first communicating pipe and second respectively
Siphunculus connects.
Preferably, the inside of the mask fixture block two side, hose and pressing plate is equipped with through hole, and the first communicating pipe and
Two communicating pipes were connected by through hole.
Preferably, it is equipped with digital micromanometer above first communicating pipe and the second communicating pipe.
Preferably, the top of first communicating pipe is located at the side of digital micromanometer and is equipped with flowmeter.
Compared with prior art, the beneficial effects of the utility model are：One kind detection mask adsorbs various concentrations radon gas
The device of efficiency, the different materials mask that various concentrations radon gas clamped by mask fixture block respectively is detected using RAD7 emanometers
Front and rear concentration difference, can thus calculate different materials mask respectively to the adsorption efficiency of various concentrations radon gas, be easy to
Mask performance is detected, but also the flowmeter of platform top and two digital micromanometers can be utilized to calculate exhaling for mask
Whether suction drag meets national standard, by varying the gear of frequency conversion fan, simulates the different respiratory rates of people, can be more by preparing
Group mask fixture block and different masks are used cooperatively, and mask can be replaced by realizing only extract mask fixture block out, be passed through
The flexible connection of two seal pipes, realizes the present apparatus and is segmented into two parts, easy to carry and installation.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is first communicating pipe and the local connection structure explosive view of the second communicating pipe of the utility model；
Fig. 3 is the mask fixture block sectional view of the utility model；
Fig. 4 is the mask fixture block of the utility model and the attachment structure schematic diagram of mask；
Fig. 5 is first communicating pipe and the local attachment structure schematic diagram of buffering blending bin of the utility model；
Fig. 6 is the front view of the mask fixture block of the utility model；
Fig. 7 is enlarged drawing at the A of the utility model Fig. 1.
In figure：1st, blending bin is buffered, the 2, first communicating pipe, the 3, second communicating pipe, 4, RAD7 emanometers, 41, air inlet pipe,
42nd, air outlet pipe, 5, card slot, 6, frequency conversion fan, 7, bellows, 8, digital micromanometer, 9, flowmeter, 10, mixing wind turbine, 11, the
One geometrical clamp, 111, bayonet, 12, spring, 13, appendix, 14, fixed fixture block, 15, card slot, 16, mask fixture block, 161, inside groove,
162nd, sets of holes, 17, through hole, 18, fixing bolt, 19, pressing plate, 20, hose, 21, mask, the 22, second geometrical clamp, 23, bayonet lock,
24th, the first seal pipe, the 25, second seal pipe.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
- 7 are please referred to Fig.1, the utility model provides a kind of technical solution：One kind detection mask adsorbs various concentrations radon gas
The device of efficiency, including buffer blending bin 1, the first communicating pipe 2 and are connected with second the second communicating pipe 3, first communicating pipe 2
Pipe 3 is fixedly connected by fixed fixture block 14, and the fixed fixture block 14 is internally provided with card slot 15, the internal activity of the card slot 15
It is connected with mask fixture block 16, it is convenient that mask fixture block 16 is replaced, and need to only be drawn upwardly out mask fixture block 16, suitable for batch detection,
The mask fixture block 16 is internally provided with inside groove 161, and the slot bottom of the inside groove 161 slidably connects pressing plate 19, and pressing plate 19
Side is connected with hose 20, and hose 20 ensures that pressing plate 19 is not in gas leak phenomenon in sliding process, and the hose 20 is remote
One end of pressing plate 19 is connected on the side wall of inside groove 161, and the two of hose 20 is located between the side wall of the pressing plate 19 and inside groove 161
Side is respectively connected with spring 12, and spring 12 can make pressing plate 19 compress mask 21, and the bottom of the pressing plate 19 is located at hose 20
Rotated down is connected with fixing bolt 18, and the described one end of fixing bolt 18 away from pressing plate 19 is extended to inside mask fixture block 16
In sets of holes 162, and the engagement connection of the side wall of fixing bolt 18 and mask fixture block 16, rotating fixing bolt 18 using box spanner can
In the internal slide of inside groove 161, when gap is left in side of the pressing plate 19 away from hose 20, mask 21 to be put into pressing plate 19
In gap, then rotate backward fixing bolt 18 and pressing plate 19 compressed into mask 21, side of the pressing plate 19 away from hose 20 and
Mask 21 is connected between the side wall of inside groove 161；
Second communicating pipe 3 is equipped with frequency conversion fan 6 away from the one end for fixing fixture block 14, by varying frequency conversion fan 6
Gear, can simulate the different respiratory flow intensity in the range of human normal, first communicating pipe 2 is away from fixed fixture block 14
One end be connected with bellows 7, the one end of the bellows 7 away from the first communicating pipe 2 is fixedly connected with the second seal pipe 25, institute
State the second seal pipe 25 and the first seal pipe 24 is flexibly connected, first seal pipe 24 is fixed on the side wall of buffering blending bin 1
On, the junction of 24 and second seal pipe 25 of the first seal pipe is connected to the inside of card slot 5, and the card slot 5 is located at first
On the medial surface of 11 and second geometrical clamp 22 of geometrical clamp, the first seal pipe 24 and the second seal pipe 25 are close together, then
It is stuck by the card slot 5 between the first geometrical clamp 11 and the second geometrical clamp 22, can be 7 groups of buffering blending bin 1 and bellows
Filling and connect, the shaft that 11 and second geometrical clamp 22 of the first geometrical clamp is equipped with by bottom is rotatablely connected, and described first
The upper end of geometrical clamp 11 is equipped with bayonet 111, and the upper end of the second geometrical clamp 22 is equipped with bayonet lock 23, and the bayonet lock 23 and bayonet 111 are lived
Dynamic clamping, the upper end of the buffering blending bin 1 are fixedly connected with mixing wind turbine 10, and side is connected with appendix 13, and radon gas is from defeated
Into buffering in blending bin 1, outside air is blown into and is buffering the interior progress of blending bin 1 uniformly with radon gas tracheae 13 by mixing wind turbine 1
Mixing；The side of 2 and second communicating pipe 3 of first communicating pipe is equipped with RAD7 emanometers 4, and two RAD7 emanometers 4 divide
Do not connected by air inlet pipe 41 and air outlet pipe 42 with the first communicating pipe 2 and the second communicating pipe 3, inside RAD7 emanometers 4
Power set by gas from the first communicating pipe 2 or the second communicating pipe 3 by air inlet pipe 41 enter the inside of RAD7 emanometers 25 into
Row concentration determines to detect, and gas is returned in the first communicating pipe 2 or the second communicating pipe 3 by air outlet pipe 42 after detection is completed, and leads to
The concentration data before and after the mask absorption that two RAD7 emanometers 4 are measured is crossed, absorption effect can be determined by correlation computations formula
Rate；In addition adsorption efficiency of the mask to various concentrations radon gas can be detected by varying the body containing radon gas of extraneous various concentrations.
Specifically, the inside of 16 two side of mask fixture block, hose 20 and pressing plate 19 is equipped with through hole 17, and first
Communicating pipe 2 is connected with the second communicating pipe 3 by through hole 17, ensures that gas can flow to for the second communicating pipe 3 from the first communicating pipe 2
In.
Specifically, the top of 2 and second communicating pipe 3 of the first communicating pipe is equipped with digital micromanometer 8, digital minute-pressure
The detection air pressure change of meter 8, and by the electric signal of conversion in the display screen display of digital micromanometer, two digital micromanometer detections
Air pressure change can calculate the respiratory resistance of mask.
Specifically, the top of the first communicating pipe 2 is located at the side of digital micromanometer 8 and is equipped with flowmeter 9, and flowmeter 9 is examined
Gas flow in test tube road, is translated into electric signal and shows.
Operation principle：The present apparatus can will buffer blending bin 1 and separately carry communicating pipe when carrying, select suitable position
Put, the first seal pipe 24 and the second seal pipe 25 are adjacent to the first geometrical clamp 11 and the second geometrical clamp 22 is stuck in seal pipe
On, bayonet lock 23 is stuck in bayonet 111, and geometrical clamp is fixed, and is then inserted into using box spanner in sets of holes 162 and fixing bolt
18 clampings, rotate a Slideslip of the fixing bolt 18 with dynamic pressure plate 19 to hose 20, and mask 21 then is put into pressing plate 19 and interior
Between groove 161, fixing bolt 18 is inverted, mask 21 is compressed, started mixing wind turbine 10 and blow into outside air and radon gas progress
Mixing, makes gas concentration to be detected keep stablizing, opens frequency conversion fan 6, and the gas suction first buffered in blending bin 1 is connected
In siphunculus 2, RAD7 emanometers 4 detect the radon consistence in the first communicating pipe 2, then proceed to suck gas in the second communicating pipe 3,
Detection gas pass through the radon consistence after mask 21, and data are converted into electric signal and shown, detected by two RAD7 emanometers 4
Into replacement mask fixture block 16, which can replace mask, to be continued to detect, easy to operate.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from the principle of the utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of detect device of the mask to various concentrations radon gas adsorption efficiency, including buffering blending bin (1), the first communicating pipe
(2) and the second communicating pipe (3), it is characterised in that：First communicating pipe (2) and the second communicating pipe (3) pass through fixed fixture block
(14) it is fixedly connected, the fixed fixture block (14) is internally provided with card slot (15), and the internal activity of the card slot (15) is connected with
Mask fixture block (16), the mask fixture block (16) are internally provided with inside groove (161), and the slot bottom of the inside groove (161) is slidably connected
There is pressing plate (19), and the side of pressing plate (19) is connected with hose (20), the one end of the hose (20) away from pressing plate (19) connects
On the side wall of inside groove (161), the both sides between the pressing plate (19) and the side wall of inside groove (161) positioned at hose (20) are all connected with
There is a spring (12), the rotated down that the bottom of the pressing plate (19) is located at hose (20) is connected with fixing bolt (18), described solid
Determine the one end of bolt (18) away from pressing plate (19) to extend in the internal sets of holes (162) of mask fixture block (16), and fixing bolt
(18) and mask fixture block (16) side wall engagement connection, the pressing plate (19) side and inside groove (161) away from hose (20)
Mask (21) is connected between side wall；
The one end of second communicating pipe (3) away from fixed fixture block (14) is equipped with frequency conversion fan (6), first communicating pipe (2)
One end away from fixed fixture block (14) is connected with bellows (7), and the one end of the bellows (7) away from the first communicating pipe (2) is consolidated
Surely the second seal pipe (25) is connected with, second seal pipe (25) and the first seal pipe (24) are flexibly connected, and described first is close
Tube sealing (24) is fixed on the side wall of buffering blending bin (1), the connection of first seal pipe (24) and the second seal pipe (25)
Place is connected to the inside of card slot (5), and the card slot (5) is located at the medial surface of the first geometrical clamp (11) and the second geometrical clamp (22)
On, the shaft that first geometrical clamp (11) and the second geometrical clamp (22) are equipped with by bottom is rotatablely connected, and described first fixes
The upper end of folder (11) is equipped with bayonet (111), and the upper end of the second geometrical clamp (22) is equipped with bayonet lock (23), the bayonet lock (23) and bayonet
(111) activity clamping, the upper end of the buffering blending bin (1) are fixedly connected with mixing wind turbine (10), and side is connected with appendix
(13), first communicating pipe (2) and the side of the second communicating pipe (3) are equipped with RAD7 emanometers (4), and two RAD7 survey radon
Instrument (4) is connected by air inlet pipe (41) and air outlet pipe (42) with the first communicating pipe (2) and the second communicating pipe (3) respectively.
2. a kind of detection mask according to claim 1 is to the device of various concentrations radon gas adsorption efficiency, it is characterised in that：
The inside of mask fixture block (16) two side, hose (20) and pressing plate (19) is equipped with through hole (17), and the first communicating pipe (2)
Connected with the second communicating pipe (3) by through hole (17).
3. a kind of detection mask according to claim 1 is to the device of various concentrations radon gas adsorption efficiency, it is characterised in that：
First communicating pipe (2) and digital micromanometer (8) is equipped with above the second communicating pipe (3).
4. a kind of detection mask according to claim 1 is to the device of various concentrations radon gas adsorption efficiency, it is characterised in that：
The side that the top of first communicating pipe (2) is located at digital micromanometer (8) is equipped with flowmeter (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721461133.4U CN207318304U (en) | 2017-11-06 | 2017-11-06 | It is a kind of to detect device of the mask to various concentrations radon gas adsorption efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721461133.4U CN207318304U (en) | 2017-11-06 | 2017-11-06 | It is a kind of to detect device of the mask to various concentrations radon gas adsorption efficiency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207318304U true CN207318304U (en) | 2018-05-04 |
Family
ID=62379929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721461133.4U Expired - Fee Related CN207318304U (en) | 2017-11-06 | 2017-11-06 | It is a kind of to detect device of the mask to various concentrations radon gas adsorption efficiency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207318304U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108572131A (en) * | 2018-06-11 | 2018-09-25 | 广西师范大学 | A kind of detection device and its detection method of mask barrier property |
| CN112161906A (en) * | 2020-09-08 | 2021-01-01 | 海宁博瑞医疗科技有限公司 | Portable mask rapid detection method and system |
-
2017
- 2017-11-06 CN CN201721461133.4U patent/CN207318304U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108572131A (en) * | 2018-06-11 | 2018-09-25 | 广西师范大学 | A kind of detection device and its detection method of mask barrier property |
| CN112161906A (en) * | 2020-09-08 | 2021-01-01 | 海宁博瑞医疗科技有限公司 | Portable mask rapid detection method and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180504 Termination date: 20181106 |