CN106199675B - A kind of radium radon analyzer - Google Patents
A kind of radium radon analyzer Download PDFInfo
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- CN106199675B CN106199675B CN201510271862.2A CN201510271862A CN106199675B CN 106199675 B CN106199675 B CN 106199675B CN 201510271862 A CN201510271862 A CN 201510271862A CN 106199675 B CN106199675 B CN 106199675B
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- roller
- rotating part
- fixed part
- groove
- radium
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Abstract
The invention discloses a kind of radium radon analyzers, including scintillation chamber, detector assembly and mounting assembly；The mounting assembly includes fixed part and can be provided with positioning and force feedback mechanism between the fixed part and the rotating part relative to the rotating part of fixed part rotation；The positioning and force feedback mechanism include groove, roller, the elastomeric element for withstanding roller；The elastomeric element, which can withstand the roller, makes it fall into groove, and when the fixed part is with the rotating part relative rotation, the roller rolls out in the groove.By adopting the above technical scheme, the sliding friction between component can be effectively reduced, to keep rotation operation more labor-saving；Roller is under the action of elastomeric element, when being easier to enter groove completion positioning, and continuing force rotation rotating part, it is necessary to overcome the elastic force of elastomeric element, force feedback is clearly.
Description
Technical field
The present invention relates to precision instrument technical field more particularly to a kind of radium radon analyzers.
Background technique
For the measurement of radium-226 (Ra-226) in mineral water, rock forming mineral and soil, country has promulgated relevant emanate
Method measures standard, such as GB/T11214-1989 " the analysis measurement of radium-226 in water ", GB/T13072-2010 " geology water sample226Ra/228Ra radioactive activity ratio measurement emanation method-β method ", GB/T13073-2010 " rock sample226The measurement of Ra is emanated
Method " etc..The measuring principle of these standard methods be all by the measurement of daughter radon -222 (Rn-222) activity of Ra-226, according to
The coefficient of Ra-226, Rn-222 are converted, and realize the measurement of Ra-226.However, complex for operation step in standard, apparatus measures step
Time-consuming, it is inefficient.The 1990s mid-term, the PC-2000 type radium radon point that Beijing Geology Research Inst., Ministry of Nuclear Industry develops
Analyzer optimizes apparatus measures part, is widely used in nuclear industry system.With mechanical processing technique in recent years and from
The development of dynamicization technology, existing PC2000 radium radon analyzer are not able to satisfy more accurate, faster radium measurement and require, main table
Present: instrument positions and force feedback unreasonable structural design, and rotational positioning uses sliding friction between dynamic and static disk, non-when varying
Often laborious, force feedback is unobvious to lead to the normal false judgment latched position of operating personnel, and scintillation chamber cannot ensure to be positioned at when measurement
Right above detector, and positioning element is easy to damage；The non-measured indoor light of flashing interferes measurement result when measurement；
The fixation and disassembly of scintillation chamber are inconvenient.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is that overcoming the defect in the prior art, to provide a kind of positioning
Accurately, force feedback is obvious, and varies easy radium radon analyzer, which can also be by the non-measured indoor light of flashing
It is effectively isolated, to avoid interfering, and fixes and dismantle convenient for scintillation chamber.
To achieve the goals above, a kind of radium radon analyzer of the invention, including scintillation chamber and detector assembly；It is described
Scintillation chamber be it is multiple, be set in mounting assembly；The mounting assembly includes fixed part and can rotate relative to fixed part
Rotating part, multiple scintillation chambers are installed on the rotating part；Positioning is provided between the fixed part and the rotating part
And force feedback mechanism；The positioning and force feedback mechanism include being provided on both the fixed part and the rotating part one
Groove, and be arranged in both the fixed part and the rotating part it is another on roller elastic force unit, the roller elastic force
Unit includes roller, the elastomeric element for withstanding roller；The elastomeric element, which can withstand the roller, makes it fall into groove, works as institute
The roller rolls out in the groove when stating fixed part with the rotating part relative rotation.
Both the groove and the roller elasticity part one are set as at least one, the two is another be set as at least with
The identical number in multiple scintillation chambers.
The fixed part includes quiet disk, and the rotating part includes turntable and turntable guard ring, and the roller elastic force unit is set
It is placed on the quiet disk, the groove is set on the turntable guard ring.
The roller elastic force unit further includes the slide being fixed on the quiet disk, and be located at slide in and can be in institute
The sliding pin slided in slide is stated, the roller is mounted on the front end of the sliding pin by rolling axle, and the spring is set to described
The rear end and both ends of sliding pin are respectively against the sliding pin and slide.
The fixed part includes quiet disk, and the rotating part includes turntable and turntable guard ring；In the upper surface of the quiet disk,
Position right above the detector assembly, and when one of multiple described scintillation chambers are located at the detector assembly
In the following position directly of remaining scintillation chamber when surface, it is provided with the shading pad of annular.
Flat spring is provided on the downside of the shading pad.
The recessed portion for placing the flat spring and shading pad is offered in the upper surface of the quiet disk.
Axis is provided with central axis above the rotating part, hold assembly, the folder are provided on the central axis
It holds and the position of the scintillation chamber is installed on component and the rotating part is oppositely arranged, for clamping the scintillation chamber.
The hold assembly is identical as scintillation chamber's number.
The lower section of the fixed part is located at axial location and is provided with bearing block, and installation is provided with below the bearing block
Seat, the quiet disk, bearing block are mutually fixed with mounting base.
By adopting the above technical scheme, radium radon analyzer of the invention, compared with prior art, by by fixed part and rotation
Positioning and force feedback mechanism between portion are set to the structure that roller is matched with groove, can effectively reduce between component
Sliding friction, to keep rotation operation more labor-saving；For roller under the action of elastomeric element, it is fixed to be easier to complete into groove
Position, and when continuing to rotate rotating part, it is necessary to overcome the elastic force of elastomeric element, force feedback is clearly.
Detailed description of the invention
Fig. 1 is the schematic perspective view of radium radon analyzer of the present invention.
Fig. 2 is the cross-sectional view of radium radon analyzer of the present invention.
Fig. 3 is the decomposition texture schematic diagram of radium radon analyzer of the present invention.
Fig. 4 is the structural schematic diagram of positioning and force feedback mechanism in the present invention.
Fig. 5 is sectional view along A-A in Fig. 4.
Fig. 6 is the decomposition texture schematic diagram of positioning and force feedback mechanism in the present invention.
Fig. 7 is the structural schematic diagram of flat spring in the present invention.
Fig. 8 is the structural schematic diagram of shading pad in the present invention.
Appended drawing reference indicates in figure are as follows:
1- mounting base；2- bearing block；The quiet disk of 3-；4- turntable guard ring；5- turntable；6- central axis；7- hold assembly；8- flashing
Room；9- detector assembly；11- shading pad；12- flat spring；13- recessed portion；100- groove；101- positions bearing；102- roller
Axis；103- sliding pin；104- spring；105- slide.
Specific embodiment
In radium radon analyzer, positioning and force feedback design are most important to the reliable and comfort of instrumentation.In the past
Analogous instrument in using spring marble cooperation location dimples realize, but the mechanism be sliding friction, it is very laborious when varying.?
Using the elastomeric element fit circular arc connected in star equipped with roller in the present invention, frictional resistance is rolling friction when rotation, to make
It operates very light；And positioning is realized when roller rolls into arc groove, force feedback is obvious and positioning is reliable.And it is existing similar
In instrument, to rotate freely the relatively fixed portion of rotating part, it will usually be equipped with gap between rotating part and fixed part, but multiple
Sample detection scintillation chamber is installed on rotating part simultaneously, and the light that non-detection scintillation chamber is issued, which may reflect to reach by gap, to be visited
Device is surveyed, measurement accuracy is influenced；When removing some non-detection scintillation chamber, sunlight or light can equally reflect through gap and reach detection
Device generates greatly damage to probe.For this purpose, the present invention is mutually isolated to the progress of scintillation chamber's bore, anti-tampering design, addition are carried out
Component is padded in shading, effectively achievees the purpose that shading.
Below by way of the drawings and specific embodiments, the present invention is described in further detail.
The present embodiment provides a kind of radium radon analyzers, as shown in Figure 1, 2, 3, including detector assembly 9 and scintillation chamber 8；
The scintillation chamber 8 be it is multiple, the present embodiment be three.
Three scintillation chambers 8 are set in mounting assembly；The mounting assembly includes fixed part and can be relative to
The rotating part of fixed part rotation, three scintillation chambers are installed on the rotating part.
The fixed part includes quiet disk 3, and the rotating part includes turntable 5 and turntable guard ring 4,
Positioning and force feedback mechanism are provided between the fixed part and the rotating part；The positioning and force feedback machine
Structure including the groove being provided on both the fixed part and the rotating part one, and is arranged in the fixed part and institute
State both rotating parts it is another on roller elastic force unit, the roller elastic force unit includes roller, the elastomeric element for withstanding roller.
In the present embodiment, as shown in Figure 4,5, 6, the roller elastic force unit is one, is set on the quiet disk 3, institute
Stating groove 100 is three, is set on the turntable guard ring 4 and corresponds with three scintillation chambers 8.
The roller elastic force unit further includes the slide 105 being fixed on the quiet disk 3, and is located in slide 105 simultaneously
The sliding pin 103 that can be slided in the slide, before the roller 101 is mounted on the sliding pin 103 by rolling axle 102
End, the spring 104 are set to the rear end of the sliding pin 103, and both ends are respectively against the sliding pin 103 and slide 105.Institute
Spring 104 is stated to 101 1 radially outer power of the roller, the trend for moving the oriented radial outside of roller 101 works as turntable
5 with turntable guard ring 4 rotate together when, roller 101 withstands on the inner sidewall of the turntable guard ring 4 and rolls, until be located at turntable
When the groove 100 of arc on guard ring 4 is moved to 101 position of roller, roller 101 enters described recessed under the action of the spring
Slot 100 completes positioning and force feedback, and scintillation chamber 8 corresponding with the groove 100 is located at right above detector assembly 9 at this time.When
When the turntable 5 continues to rotate together with turntable guard ring 4, the roller 101 rolls out in the groove 100, until next recessed
Slot 100 is moved at the roller 101, completes the positioning of next scintillation chamber 8.
Certainly, the present embodiment be provided solely for it is a kind of positioning and force feedback mechanism installation and structural representation.It is described positioning and
By the way of force feedback mechanism can also be set to fixed part using groove, roller elastic force unit is set to rotating part；It can also adopt
With the mode of a groove, multiple roller elastic force units.It is of course also possible to which multiple grooves and multiple roller elastic force units is arranged
It, can be in the skill of the present embodiment as long as those skilled in the art are according to the actual needs to realize the setting of multiple anchor points
It is deformed in art.
As shown in Fig. 3,7,8, in the upper surface of the quiet disk 3, position right above the detector assembly 9, with
And when multiple scintillation chambers 8, one of them is located at 9 surface of detector assembly, in the underface of remaining scintillation chamber 8
Position is provided with the shading pad 11 of annular, and the downside of the shading pad 11 is provided with flat spring 12.In the upper end of the quiet disk 3
Face offers the recessed portion 13 for placing the flat spring 12 and shading pad 11.
By the setting of shading pad, the interference of scintillation chamber's light can be avoided, shading pad can be guaranteed to turning by flat spring
The compression of disk, while the rotation of turntable will not be influenced.
Axis is provided with central axis 6 above the rotating part, hold assembly 7 there are three settings on the central axis 6,
The position that the scintillation chamber 8 is installed on the hold assembly 7 and the rotating part is oppositely arranged, for clamping the scintillation chamber.
It is located at axial location in the lower section of the quiet disk 3 and is provided with bearing block 2, the lower section of the bearing block 2 is provided with peace
Seat 1 is filled, the quiet disk 3, bearing block 2 and 1 phase of mounting base are fixed.The central axis 6 is mounted in the bearing block 2.
Obviously, above-described embodiment is only intended to clearly illustrate example, and does not limit the embodiments.For
For those of ordinary skill in the art, other various forms of variations or change can also be made on the basis of the above description
It is dynamic.There is no necessity and possibility to exhaust all the enbodiments.And obvious variation extended from this or change
It moves still within the protection scope of the invention.
Claims (10)
1. a kind of radium radon analyzer, it is characterised in that: including scintillation chamber and detector assembly；The scintillation chamber is multiple, if
It is placed in mounting assembly；The mounting assembly includes fixed part and can be relative to the rotating part of fixed part rotation, Duo Gesuo
It states scintillation chamber and is installed on the rotating part；Positioning and force feedback mechanism are provided between the fixed part and the rotating part；Institute
It states positioning and force feedback mechanism includes the groove being provided on both the fixed part and the rotating part one, and setting exists
Roller elastic force unit on both the fixed part and the rotating part are another, the roller elastic force unit include roller, withstand
The elastomeric element of roller；The elastomeric element, which can withstand the roller, makes it fall into groove, when the fixed part and the rotation
The roller rolls out in the groove when the relative rotation of transfer part.
2. radium radon analyzer according to claim 1, it is characterised in that: both the groove and the roller elastic force unit
One is set as at least one, and the two is another to be set as at least identical as the number of the scintillation chamber.
3. radium radon analyzer according to claim 2, it is characterised in that: the fixed part includes quiet disk, the rotating part
Including turntable and turntable guard ring, the roller elastic force unit is set on the quiet disk, and the groove is set to the turntable
On guard ring.
4. radium radon analyzer according to claim 3, it is characterised in that: the roller elastic force unit further includes being fixed on institute
The slide on quiet disk is stated, and in slide and the sliding pin that can slide in the slide, the roller pass through rolling axle
It is mounted on the front end of the sliding pin, the elastomeric element is spring, and the spring is set to the rear end of the sliding pin and both ends point
The sliding pin and slide are not withstood.
5. radium radon analyzer according to claim 1-4, it is characterised in that: the fixed part includes quiet disk, institute
Stating rotating part includes turntable and turntable guard ring；Position in the upper surface of the quiet disk, right above the detector assembly
Set, and when one of multiple described scintillation chambers are located at right above the detector assembly remaining scintillation chamber underface position
It sets, is provided with the shading pad of annular.
6. radium radon analyzer according to claim 5, it is characterised in that: be provided with flat spring on the downside of the shading pad.
7. radium radon analyzer according to claim 6, it is characterised in that: offer in the upper surface of the quiet disk for putting
Set the recessed portion of the flat spring and shading pad.
8. radium radon analyzer according to claim 1-4, it is characterised in that: along axis above the rotating part
It is provided with central axis, hold assembly is provided on the central axis, the sudden strain of a muscle is installed on the hold assembly and the rotating part
The position of bright room is oppositely arranged, for clamping the scintillation chamber.
9. radium radon analyzer according to claim 8, it is characterised in that: the hold assembly and scintillation chamber's number phase
Together.
10. radium radon analyzer according to claim 1-4, it is characterised in that: the lower section of the fixed part is located at
Axial location is provided with bearing block, and mounting base is provided with below the bearing block, and the quiet disk, bearing block and mounting base are mutually solid
It is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510271862.2A CN106199675B (en) | 2015-05-25 | 2015-05-25 | A kind of radium radon analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510271862.2A CN106199675B (en) | 2015-05-25 | 2015-05-25 | A kind of radium radon analyzer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106199675A CN106199675A (en) | 2016-12-07 |
| CN106199675B true CN106199675B (en) | 2019-02-05 |
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ID=57460231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510271862.2A Expired - Fee Related CN106199675B (en) | 2015-05-25 | 2015-05-25 | A kind of radium radon analyzer |
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| Country | Link |
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| CN (1) | CN106199675B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109444946A (en) * | 2018-12-26 | 2019-03-08 | 中核控制系统工程有限公司 | A kind of intelligence radon thorium analyzer |
| CN110082810B (en) * | 2019-05-09 | 2021-06-04 | 成都理工大学 | Scale device for fitting K value of scintillation chamber |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3988587A (en) * | 1975-04-14 | 1976-10-26 | Kerr-Mcgee Nuclear Corporation | Method and apparatus for indicating the radioactive decay products of radium in an environment |
| US4177378A (en) * | 1978-04-24 | 1979-12-04 | Randam Electronics, Inc. | Long-lived reference cell simulating the α scintillation of radon-222 |
| CN2537986Y (en) * | 2002-04-27 | 2003-02-26 | 汤三星 | Radon-thorium analyzer |
| CN204855819U (en) * | 2015-05-25 | 2015-12-09 | 核工业北京地质研究院 | Radium radon analysis appearance |
-
2015
- 2015-05-25 CN CN201510271862.2A patent/CN106199675B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3988587A (en) * | 1975-04-14 | 1976-10-26 | Kerr-Mcgee Nuclear Corporation | Method and apparatus for indicating the radioactive decay products of radium in an environment |
| US4177378A (en) * | 1978-04-24 | 1979-12-04 | Randam Electronics, Inc. | Long-lived reference cell simulating the α scintillation of radon-222 |
| CN2537986Y (en) * | 2002-04-27 | 2003-02-26 | 汤三星 | Radon-thorium analyzer |
| CN204855819U (en) * | 2015-05-25 | 2015-12-09 | 核工业北京地质研究院 | Radium radon analysis appearance |
Non-Patent Citations (3)
| Title |
|---|
| 《PC-2000 型测氡仪》;汤三星;《铀矿地质》;20031130;第19卷(第6期);全文 |
| 《应用PC-2000型测氡仪测定岩石样品中的镭》;张喜海 等;《内蒙古石油化工》;20090531(第17期);全文 |
| 《应用新一代镭氡分析仪PC-2100测定镭的实验研究》;黄秋红 等;《铀矿地质》;20140131;第30卷(第1期);全文 |
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| Publication number | Publication date |
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| CN106199675A (en) | 2016-12-07 |
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