CN108152853A - Counting tube energy compensation system - Google Patents
Counting tube energy compensation system Download PDFInfo
- Publication number
- CN108152853A CN108152853A CN201810190558.9A CN201810190558A CN108152853A CN 108152853 A CN108152853 A CN 108152853A CN 201810190558 A CN201810190558 A CN 201810190558A CN 108152853 A CN108152853 A CN 108152853A
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- compensation layer
- compensation
- tube
- connecting portion
- supervisor
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- 239000000463 material Substances 0.000 claims description 8
- 229910000838 Al alloy Inorganic materials 0.000 claims description 5
- 238000005259 measurement Methods 0.000 abstract description 10
- 230000005855 radiation Effects 0.000 abstract description 8
- 239000002245 particle Substances 0.000 description 13
- 239000010445 mica Substances 0.000 description 3
- 229910052618 mica group Inorganic materials 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T7/00—Details of radiation-measuring instruments
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/16—Measuring radiation intensity
- G01T1/18—Measuring radiation intensity with counting-tube arrangements, e.g. with Geiger counters
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Molecular Biology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Measurement Of Radiation (AREA)
Abstract
The present invention relates to skill counting tube technical field, more particularly, to a kind of counting tube energy compensation system.Counting tube energy compensation system includes：Tube body, the first compensation layer and the second compensation layer；First compensation layer is removably disposed in the end face of the tube body, and second compensation layer is arranged on the side wall of the tube body, and the trepanning passed through for ray to be measured is provided on first compensation layer.The technical issues of causing measurement error very big due to " cross and respond " phenomenon under low energy ray when end-window Geiger counter tube in the prior art measures radiation to alleviate.
Description
Technical field
The present invention relates to skill counting tube technical field, more particularly, to a kind of counting tube energy compensation system.
Background technology
Geiger counter tube is a kind of gas radiation detector for being operated in Geiger-Miller area, not charged radiating particle such as γ
The composition material of ray and counting tube is had an effect, and generates secondary electron, and secondary electron enters in sensitive volume (i.e. with height
The region of piezoelectric field) it is accelerated, and with the gas molecule collision in the region, generate avalanche effect, form more charge, and
Corresponding pulses are shown on external circuit.In addition, if detected particle is charged particle (such as α, β are radiated), can directly into
Enter in the sensitive volume of Geiger counter tube, avalanche and discharge is caused under forceful electric power field action, generate counting.According to detected particle
Type, Geiger counter tube can be divided into α, β type Geiger tube and γ type Geiger tubes again, more than some Geiger counter tubes can then measure
Three kinds of radiation.Since α and β particles are easy to be stopped by substance, there are one the Geiger counter tube needs of this kind of particle of measurement
Relatively thin entrance window, the material of entrance window are generally made of the smaller material of this kind of density of mica sheet.It is this with entrance window
Geiger counter tube is commonly known as end-window Geiger counter tube, sometimes abbreviation end-window G-M counting tubes.Due to end-window Geiger
The composition material of counting tube is more complicated, is generally made of the metal material of the mica of end face and side, it is carried out effectively
Energy compensating is also relatively difficult.General end-window Geiger counter tube on the market does not do energy compensating at present, so this do not have
The end-window Geiger counter tube of energy compensation system can be caused when measuring radiation due to " cross and respond " phenomenon under low energy ray
Measurement error is very big.
Therefore how to solve when end-window Geiger counter tube measures radiation since " cross and respond " phenomenon under low energy ray is led
Measurement error is caused to become very much those skilled in the art's urgent problem to be solved greatly.
Invention content
The purpose of the present invention is to provide a kind of counting tube energy compensation system, to alleviate end window in the prior art
The technical issues of causing measurement error very big due to " cross and respond " phenomenon under low energy ray when formula Geiger counter tube measures radiation.
A kind of counting tube energy compensation system provided by the invention, including：Tube body, the first compensation layer and the second compensation layer；
First compensation layer is removably disposed in the end face of the tube body, and second compensation layer is arranged on the pipe
On the side wall of body, the trepanning passed through for ray to be measured is provided on first compensation layer.
Further, the trepanning is multiple.
Further, first compensation layer includes mainboard body and side plate body；
The side plate body is arranged on the edge of the mainboard body, and the trepanning is arranged on the mainboard body, the side plate
The first connecting portion for being connect with the side wall of the tube body is provided on the inside of body.
Further, the tube body includes supervisor and end window；
Supervisor's one end open, the end window are fixed at the openend of the supervisor, and the supervisor is close to described
One end of openend is provided with the second connecting portion coordinated with the first connecting portion, and second compensation layer is arranged on the master
On the lateral wall of pipe, and there are gaps between second compensation layer and the second connecting portion.
Further, annular protrusion is additionally provided on the supervisor, the annular protrusion is arranged on second compensation layer
Between the second connecting portion.
Further, the first connecting portion is external thread structure, and the second connecting portion is internal thread structure.
Further, the material of first compensation layer and second compensation layer is aluminium alloy.
Further, the thickness of first compensation layer and second compensation layer is 0.3-2mm.
Further, the described one end of supervisor far from the openend, which is provided with exhaust pipe and is powered, manages.
Further, multiple through-holes are provided on second compensation layer.
A kind of counting tube energy compensation system provided by the invention, including：Tube body, the first compensation layer and the second compensation layer；
First compensation layer is removably disposed in the end face of the tube body, and second compensation layer is arranged on the side wall of the tube body
On, it is provided with the trepanning passed through for ray to be measured on first compensation layer.Using above-mentioned scheme, in the end face of tube body and
Side is respectively arranged with the first compensation layer and the second compensation layer, and when measuring α β radiating particles, the first compensation layer is taken off with tube body
From at this time without the energy response problem of care γ radiating particles；When measuring γ, the first compensation layer is mounted on to the end of tube body
Face, end-window Geiger tube at this time are in comprehensive compensating coefficient.It, can be with by the energy compensating set of this energy compensating mode
The energy response error of Low Energy Region γ is substantially reduced, and does not influence the γ responses of other energy, this will substantially increase measurement
Accuracy.To alleviate when end-window Geiger counter tube in the prior art measures radiation due to " excessively loud under low energy ray
Should " phenomenon the technical issues of causing measurement error very big.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution of the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the stereogram of the first embodiment of counting tube energy compensation system provided in an embodiment of the present invention；
Fig. 2 is the stereogram of second of embodiment of counting tube energy compensation system provided in an embodiment of the present invention；
Fig. 3 is counting tube energy compensation system side structure schematic diagram provided in an embodiment of the present invention；
Fig. 4 is the vertical view that Fig. 1 is counting tube energy compensation system the first embodiment provided.
Icon：100- tube bodies；The first compensation layers of 200-；The second compensation layers of 300-；110- annular protrusions；120- exhaust pipes；
130-, which is powered, to manage；210- trepannings.
Specific embodiment
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's all other embodiments obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that such as occur term " " center ", " on ", " under ", "left", "right",
" vertical ", " level ", " interior ", " outer " etc., indicated by orientation or position relationship be based on orientation shown in the drawings or position
Relationship is for only for ease of the description present invention and simplifies description rather than instruction or imply that signified device or element must have
There is specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, as occurred
Term " first ", " second ", " third " are only used for description purpose, and it is not intended that instruction or hint relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " peace such as occur
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integrally
Connection；Can be mechanical connection or electrical connection；It can be directly connected, can also be indirectly connected by intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, can above-mentioned art be understood with concrete condition
The concrete meaning of language in the present invention.
Fig. 1 is the stereogram of the first embodiment of counting tube energy compensation system provided in an embodiment of the present invention；
Fig. 2 is the stereogram of second of embodiment of counting tube energy compensation system provided in an embodiment of the present invention；
Fig. 3 is counting tube energy compensation system side structure schematic diagram provided in an embodiment of the present invention；
Fig. 4 is the vertical view that Fig. 1 is counting tube energy compensation system the first embodiment provided.
As shown in Figs 1-4, a kind of counting tube energy compensation system provided by the invention, including：Tube body 100, first compensates
200 and second compensation layer 300 of layer；
First compensation layer 200 is removably disposed in the end face of the tube body 100, and second compensation layer 300 is set
It puts on the side wall of the tube body 100, the trepanning 210 passed through for ray to be measured is provided on first compensation layer 200.
Wherein, the shape of opening can be a variety of, such as：Circle, rectangle, diamond shape are either trapezoidal.
Second compensation layer 300 can be arranged in a manner that clamping is either bonded on the side wall of tube body 100.
A kind of counting tube energy compensation system provided by the invention, including：Tube body 100, the first compensation layer 200 and second are mended
Repay layer 300；First compensation layer 200 is removably disposed in the end face of the tube body 100, and second compensation layer 300 is set
It puts on the side wall of the tube body 100, the trepanning 210 passed through for ray to be measured is provided on first compensation layer 200.It adopts
With above-mentioned scheme, the first compensation layer 200 and the second compensation layer 300 are respectively arranged in the end face of tube body 100 and side, is being surveyed
When measuring α β radiating particles, the first compensation layer 200 with tube body 100 is detached from, does not have to be concerned about the energy response of γ radiating particles at this time
Problem；When measuring γ, the first compensation layer 200 is mounted on to the end face of tube body 100, end-window Geiger tube at this time is in comprehensive
Compensating coefficient.By the energy compensating set of this energy compensating mode, the energy response error of Low Energy Region γ can be substantially reduced,
And do not influence the γ responses of other energy, this accuracy that will substantially increase measurement.To alleviate end in the prior art
Since the technology that " cross and respond " phenomenon under low energy ray causes measurement error very big is asked when window Geiger counter tube measures radiation
Topic.
On the basis of above-described embodiment, further, the trepanning 210 is multiple.
Wherein, the quantity of trepanning 210 is alternatively one, and when trepanning 210 is one, trepanning 210 is arranged on the first compensation
The center of layer 200.
In the present embodiment, trepanning 210 is set as multiple, and multiple trepannings 210 are evenly distributed in the first compensation layer 200
On, can also one trepanning 210 be set in 200 center of the first compensation layer, remaining trepanning 210 is with centrally-disposed
It is uniformly distributed centered on trepanning 210, the setting of trepanning 210 can be ensured when detecting gamma-rays, can substantially reduce Low Energy Region
The energy response error of γ, and the γ responses of other energy are not influenced.
On the basis of above-described embodiment, further, first compensation layer 200 includes mainboard body and side plate body；
The side plate body is arranged on the edge of the mainboard body, and the trepanning 210 is arranged on the mainboard body, the side
The first connecting portion for being connect with the side wall of the tube body 100 is provided on the inside of plate body.
Wherein, it can be vertically arranged between side plate body and mainboard body, also can be in other angles between side plate body and mainboard body
Setting, as long as side plate body can be enable to be detachably connected with tube body 100.
Wherein, first connecting portion can include multiple connecting holes, in tube body 100 close to one end tube body of first connecting portion
Multiple grooves or via are provided on 100 side wall, first connecting portion is made removably to connect by the body of rod either sealing-plug
It is connected on tube body 100.
In the present embodiment, by being detachably connected between the side wall of the first connecting portion on side plate body and tube body 100, open
Hole 210 is arranged on mainboard body, in this way, when measuring different types of ray as needed, can to easily removing or
Mainboard body is mounted on tube body 100, to ensure the accuracy of measurement result.
On the basis of above-described embodiment, further, the tube body 100 includes supervisor and end window；
Supervisor's one end open, the end window are fixed at the openend of the supervisor, and the supervisor is close to described
One end of openend is provided with the second connecting portion coordinated with the first connecting portion, and second compensation layer 300 is arranged on institute
It states on the lateral wall of supervisor, and there are gaps between second compensation layer 300 and the second connecting portion.
Wherein, end window be fixed at one end.
In the present embodiment, the first compensation layer 200 is arranged close to the side of end window, and leans on the side of proximal window also in supervisor
The second connecting portion coordinated with first connecting portion is provided with, first connecting portion and second connecting portion mating connection make the first compensation layer
200 are removably disposed on supervisor, since end window is generally the thin-film materials such as mica, it is easy to it is punctured by sharp objects, the
The setting of one compensation layer 200, increases the energy compensation layer of end face, while reduces the risk of end face destruction, the second compensation dress
It puts between second connecting portion there are gap, supervisor to stay a part of surface to be wrapped up without compensating material in this way, is conducive to carry
The response of the radiating particle of high part energy makes it be unlikely to be blocked and decay.
On the basis of above-described embodiment, further, annular protrusion 110, the annular are additionally provided on the supervisor
Protrusion 110 is arranged between second compensation layer 300 and the second connecting portion.
In the present embodiment, annular protrusion 110 is additionally provided on supervisor, annular protrusion 110 is arranged on the second compensation layer 300
Between second connecting portion, in this way, when installing the second compensation layer 300 on supervisor, it can be directly according to the position of annular protrusion 110
It puts and is installed, since the surface area of annular protrusion 110 is fixed, to improve the response of the radiating particle of part energy, make it
It is unlikely to be blocked and decays.
On the basis of above-described embodiment, further, the first connecting portion is external thread structure, second connection
Portion is internal thread structure.
In the present embodiment, first connecting portion and second connecting portion are respectively internal thread structure and external thread structure, by interior
Cooperation between helicitic texture and external thread structure is so that detachably connected between the first compensation layer 200 and tube body 100, to protect
Barrier, which can obtain the camera shooting of different types, effectively to be compensated.
On the basis of above-described embodiment, further, first compensation layer 200 and second compensation layer 300
Material is aluminium alloy.
Further, the thickness of first compensation layer 200 and second compensation layer 300 is 0.3-2mm.
In the present embodiment, since aluminium alloy density is low, but intensity is higher, and near or above high-quality steel, plasticity is good, can add
Work has excellent electric conductivity, thermal conductivity and corrosion stability, so the first compensation layer 200 and the second compensation layer 300 into various section bars
Using aluminum alloy material, to ensure whole performance.
On the basis of above-described embodiment, further, the described one end of supervisor far from the openend is provided with exhaust
Pipe 120 and energization pipe 130.
In the present embodiment, exhaust pipe 120 and energization pipe 130 are arranged on the one end of supervisor far from openend, and exhaust pipe
120 and energization pipe 130 extend to one end far from supervisor, the setting of exhaust pipe 120 and energization pipe 130 is for ensureing whole dress
The continual and steady work put.
On the basis of above-described embodiment, further, multiple through-holes are provided on second compensation layer 300.
Wherein, multiple through-holes are evenly distributed on the second compensation layer 300, and the shape of multiple through-holes may not be used yet
Together, as long as can ensure that the gross area of multiple through-holes is fixed on a numerical value.
In the present embodiment, may be provided with multiple through-holes on the second compensation layer 300, multiple through-holes can be along the second compensation layer
300 side is uniformly arranged, and supervisor stays a part of surface to be wrapped up without compensating material in this way, is conducive to improve a part of energy
The response of the radiating particle of amount makes it be unlikely to be blocked and decay.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe is described in detail the present invention with reference to foregoing embodiments, it will be understood by those of ordinary skill in the art that：Its according to
Can so modify to the technical solution recorded in foregoing embodiments either to which part or all technical features into
Row equivalent replacement；And these modifications or replacement, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of counting tube energy compensation system, which is characterized in that including：Tube body, the first compensation layer and the second compensation layer；
First compensation layer is removably disposed in the end face of the tube body, and second compensation layer is arranged on the tube body
On side wall, the trepanning passed through for ray to be measured is provided on first compensation layer.
2. counting tube energy compensation system according to claim 1, which is characterized in that the trepanning is multiple.
3. counting tube energy compensation system according to claim 1, which is characterized in that first compensation layer includes mainboard
Body and side plate body；
The side plate body is arranged on the edge of the mainboard body, and the trepanning is arranged on the mainboard body, the side plate body
Inside is provided with the first connecting portion for being connect with the side wall of the tube body.
4. counting tube energy compensation system according to claim 3, which is characterized in that the tube body includes supervisor and end
Window；
Supervisor's one end open, the end window are fixed at the openend of the supervisor, and the supervisor is close to the opening
The one end at end is provided with the second connecting portion coordinated with the first connecting portion, and second compensation layer is arranged on the supervisor's
On lateral wall, and there are gaps between second compensation layer and the second connecting portion.
5. counting tube energy compensation system according to claim 4, which is characterized in that be additionally provided with annular on the supervisor
Protrusion, the annular protrusion are arranged between second compensation layer and the second connecting portion.
6. counting tube energy compensation system according to claim 5, which is characterized in that the first connecting portion is external screw thread
Structure, the second connecting portion are internal thread structure.
7. counting tube energy compensation system according to claim 1, which is characterized in that first compensation layer and described
The material of two compensation layers is aluminium alloy.
8. counting tube energy compensation system according to claim 7, which is characterized in that first compensation layer and described
The thickness of two compensation layers is 0.3-2mm.
9. counting tube energy compensation system according to claim 5, which is characterized in that the supervisor is far from the openend
One end be provided with exhaust pipe and be powered manage.
10. counting tube energy compensation system according to claim 1, which is characterized in that set on second compensation layer
There are multiple through-holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810190558.9A CN108152853A (en) | 2018-03-08 | 2018-03-08 | Counting tube energy compensation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810190558.9A CN108152853A (en) | 2018-03-08 | 2018-03-08 | Counting tube energy compensation system |
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| Publication Number | Publication Date |
|---|---|
| CN108152853A true CN108152853A (en) | 2018-06-12 |
Family
ID=62456181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810190558.9A Pending CN108152853A (en) | 2018-03-08 | 2018-03-08 | Counting tube energy compensation system |
Country Status (1)
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2329247A1 (en) * | 1973-06-08 | 1975-01-02 | Krohne Fa Ludwig | Dust measuring device - measures absorption of a radioactive radiation by a geiger counter |
| JPH0361883A (en) * | 1989-07-31 | 1991-03-18 | Aloka Co Ltd | Dose-equivalent measuring apparatus |
| JPH0798382A (en) * | 1993-09-30 | 1995-04-11 | Toshiba Glass Co Ltd | Fluorescent glass dosimeter |
| WO2005004168A1 (en) * | 2003-07-01 | 2005-01-13 | National Institute Of Radiological Sciences | Range compensator and heavy charged particle beam irradiation system |
| CN102955165A (en) * | 2011-08-19 | 2013-03-06 | 中国辐射防护研究院 | Method for compensating X and gamma energy response of ionization chamber by aluminum material |
| CN204204794U (en) * | 2014-10-29 | 2015-03-11 | 中国原子能科学研究院 | A kind of standard type high-pressure ionization chamber |
| CN104516022A (en) * | 2013-09-26 | 2015-04-15 | 中国辐射防护研究院 | Method for compensating neutron energy response of <3>He proportional counter through aluminum-lithium alloy |
| CN107340533A (en) * | 2017-07-07 | 2017-11-10 | 西北核技术研究所 | 3The proportional detector output amplitude compensation method of He Central spectrometers and device |
| CN207867043U (en) * | 2018-03-08 | 2018-09-14 | 北京聚合信机电有限公司 | Counting tube energy compensation system |
-
2018
- 2018-03-08 CN CN201810190558.9A patent/CN108152853A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2329247A1 (en) * | 1973-06-08 | 1975-01-02 | Krohne Fa Ludwig | Dust measuring device - measures absorption of a radioactive radiation by a geiger counter |
| JPH0361883A (en) * | 1989-07-31 | 1991-03-18 | Aloka Co Ltd | Dose-equivalent measuring apparatus |
| JPH0798382A (en) * | 1993-09-30 | 1995-04-11 | Toshiba Glass Co Ltd | Fluorescent glass dosimeter |
| WO2005004168A1 (en) * | 2003-07-01 | 2005-01-13 | National Institute Of Radiological Sciences | Range compensator and heavy charged particle beam irradiation system |
| CN102955165A (en) * | 2011-08-19 | 2013-03-06 | 中国辐射防护研究院 | Method for compensating X and gamma energy response of ionization chamber by aluminum material |
| CN104516022A (en) * | 2013-09-26 | 2015-04-15 | 中国辐射防护研究院 | Method for compensating neutron energy response of <3>He proportional counter through aluminum-lithium alloy |
| CN204204794U (en) * | 2014-10-29 | 2015-03-11 | 中国原子能科学研究院 | A kind of standard type high-pressure ionization chamber |
| CN107340533A (en) * | 2017-07-07 | 2017-11-10 | 西北核技术研究所 | 3The proportional detector output amplitude compensation method of He Central spectrometers and device |
| CN207867043U (en) * | 2018-03-08 | 2018-09-14 | 北京聚合信机电有限公司 | Counting tube energy compensation system |
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Effective date of registration: 20240722 Address after: 061500 West side of Wanghai Street, Chengdong Industrial Park, Nanpi Economic Development Zone, Nanpi County, Cangzhou City, Hebei Province Applicant after: Cangzhou Muren Technology Co.,Ltd. Country or region after: China Address before: 102200 201A room 2, 10 torch street, Changping garden, Zhongguancun science and Technology Park, Changping District, Beijing Applicant before: BEIJING JUHEXIN ELECTROMECHANICAL CO.,LTD. Country or region before: China |