CN207440299U - A kind of GM counting tubes and nuclear radiation detector - Google Patents
A kind of GM counting tubes and nuclear radiation detector Download PDFInfo
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- CN207440299U CN207440299U CN201721154690.1U CN201721154690U CN207440299U CN 207440299 U CN207440299 U CN 207440299U CN 201721154690 U CN201721154690 U CN 201721154690U CN 207440299 U CN207440299 U CN 207440299U
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- cathode casing
- inner core
- counting tubes
- pottery lid
- anode inner
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Abstract
A kind of GM counting tubes and nuclear radiation detector provided by the utility model, are related to technical field of electronic components, including cathode casing, anode inner core and pottery lid；The pottery lid is arranged on the end of the cathode casing；Hole is provided in the pottery lid, the anode inner core is plugged in the hole, wherein, one end of the anode inner core is located in the inner cavity of the cathode casing, and the other end of the anode inner core is located at the outside of the cathode casing.In the above-mentioned technical solutions, after the pottery lid is connected with the cathode casing, just can directly it insulate to cathode casing and anode inner core, insulating bushing need not be recycled completely to realize the insulation to cathode casing and anode inner core, so by the sealing cover be substituted for can not be conductive pottery lid, can like this simplify operating procedure in assembling and making.
Description
Technical field
The utility model is related to technical field of electronic components, more particularly, to a kind of GM counting tubes and nuclear radiation detection
Device.
Background technology
Nuclear radiation detector is also known as nuclear detection element (nuclear detection element), is detection radiation ray
Device.
Common nuclear radiation detector has ionisation chamber, counting tube and scintillation counter etc., and this kind of detecting element can measure
Radiation ray and their property, principle mainly utilize ray and generated a variety of effects during matter interaction.
Gaseous type counting tube is also known as Geiger counter tube, is a kind of detector of the operation material as gas, function is one
The numeration instrument of kind dedicated probe ionising radiation (α particles, β particles, gamma-rays and X-ray) intensity.
Existing gaseous type counting tube uses a kind of metal shell, and sealing cover is connected to the end of metal shell by thread seal
On mouth, and after sealing cover is threadedly coupled with metal shell, conductive effect can be formed, so, it needs to set in sealing cover
Insulating bushing is put, for isolation anode and sealing cover.
But the structure of this existing gaseous type counting tube described above is more complicated, is not easy to make, and then causes again
Yield rate is very low when production.
Utility model content
The purpose of this utility model is to provide a kind of GM counting tubes and nuclear radiation detector, to solve in the prior art
The technical issues of existing gaseous type counting tube yield rate is very low.
A kind of GM counting tubes provided by the utility model, including cathode casing, anode inner core and pottery lid；
The pottery lid is arranged on the end of the cathode casing；
Hole is provided in the pottery lid, the anode inner core is plugged in the hole, wherein, the anode inner core
One end is located in the inner cavity of the cathode casing, and the other end of the anode inner core is located at the outside of the cathode casing.
In the above-mentioned technical solutions, the GM counting tubes employ a kind of brand-new structure, this structure and the prior art
In GM counting tubes compare for, directly eliminate a component, that is, be arranged on exhausted between sealing cover and anode inner core
Edge bushing.
And in order to realize the insulation effect between cathode casing and anode inner core, so the sealing cover is substituted for
Pottery lid that can not be conductive, can like this simplify operating procedure in assembling and making.
After the pottery lid is connected with the cathode casing, it becomes possible to directly to cathode casing and anode inner core into
Row insulation, need not recycle insulating bushing to realize the insulation to cathode casing and anode inner core completely.
Further, in the embodiment of the utility model, the GM counting tubes further include exhaust pipe and ceramic bottom cover；
The exhaust pipe is arranged on the other end of the cathode casing by the ceramic bottom cover.
Further, in the embodiment of the utility model, the exhaust pipe and the end of the cathode casing are set respectively
There are internal thread and external screw thread；
The exhaust pipe is connected with the cathode casing by way of threaded engagement.
Further, in the embodiment of the utility model, the end of the pottery lid and the cathode casing is set respectively
It is equipped with internal thread and external screw thread；
The pottery lid is connected with the cathode casing by way of threaded engagement.
Further, in the embodiment of the utility model, the pottery lid passes through snap device with the cathode casing
Connection.
Further, in the embodiment of the utility model, the pottery lid is glued with the cathode casing by bonding agent
It connects.
Further, in the embodiment of the utility model, the anode inner core is in cylindrical structure.
Further, in the embodiment of the utility model, the anode inner core includes tungsten filament or molybdenum filament.
Further, in the embodiment of the utility model, the pottery lid is in cylindrical structure；
He or, the ceramic bottom cover (26) are in cylindrical structure.
Present invention also provides a kind of nuclear radiation detector, including the GM counting tubes.
In the above-mentioned technical solutions, the nuclear radiation detector employs the GM counting tubes to carry out to ionising radiation (α
Particle, β particles, gamma-rays and X-ray) intensity numeration, and utilize the brand new of the GM counting tubes, can be described when make
After pottery lid is connected with the cathode casing, it becomes possible to directly insulate to cathode casing and anode inner core, completely not
Insulating bushing must be recycled to realize the insulation to cathode casing and anode inner core.
So the GM counting tubes of this structure are due to directly eliminating a component, that is, it is arranged on sealing cover and anode
Insulating bushing between inner core, and then operating procedure can be simplified in assembling and making.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution of the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it describes below
In attached drawing be the utility model some embodiments, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other attached drawings are can also be obtained according to these attached drawings.
Fig. 1 is the structure diagram of gaseous type counting tube of the prior art；
Fig. 2 is the part-structure schematic diagram for the GM counting tubes that utility model one embodiment provides；
Fig. 3 is the sectional view of GM counting tubes shown in Fig. 2；
Fig. 4 is the structure diagram for the GM counting tubes that utility model one embodiment provides；
Fig. 5 is the sectional view of GM counting tubes shown in Fig. 4.
Reference numeral：
11- metal shells；12- sealing covers；
13- insulating bushings；14- anodes；
21- cathode casings；22- anode inner cores；23- pottery lids；
24- holes；25- exhaust pipes；26- ceramics bottom covers.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model part of the embodiment, instead of all the embodiments.Based on the embodiment in the utility model, sheet
Field those of ordinary skill all other embodiments obtained without making creative work, belong to this practicality
Novel protected scope.
, it is necessary to explanation in the description of the utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instructions such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only
The utility model must have specific with the device or element for simplifying description rather than instruction or hint meaning for ease of description
Orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.In addition, term " the
One ", " second ", " the 3rd " are only used for description purpose, and it is not intended that instruction or hint relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the utility model
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
Concrete meaning of the language in the utility model.
Fig. 1 is the structure diagram of gaseous type counting tube of the prior art.
In order to be better understood by the improvement part of the technical solution of the application, so first to the gas of the prior art
The structure of type counting tube is introduced, with by the way that the technical solution of the application and technical solution of the prior art formation are directed to
The comparison of property, then preferably understands the technical solution of the application.
Wherein, as shown in Figure 1, being the structure of gaseous type counting tube of the prior art, in this configuration, metal shell 11
It is to play the role of cathode casing 21 in technical scheme, then the sealing cover 12 passes through screw thread with the metal shell 11
The mode of connection carries out screwing connection, and forms conductive effect with the metal shell 11.
And the anode 14 is plugged on the sealing cover 12, like this, it becomes possible to form basic tube body knot
Structure, still, in order to which the metal shell 11 and anode 14 is allowed to be dielectrically separated from, so just in the sealing cover 12
Portion is provided with insulating bushing 13, which is arranged between the sealing cover 12 and the anode 14, thus can
It is enough to isolate anode 14 with sealing cover 12, so as to which anode 14 and metal shell 11 just be made be dielectrically separated from.
But this structure is more complicated, the fit on especially in insulating bushing 13, and it is troublesome in poeration, cause whole
It is a to manufacture inefficiency.
And in order to solve the problems, such as this low production efficiency, so this application provides following technical solutions, provide
A kind of new structure, simplifies whole structure, so that manufacturing becomes easier.
Fig. 4 is the structure diagram for the GM counting tubes that utility model one embodiment provides；
Fig. 5 is the sectional view of GM counting tubes shown in Fig. 4.
First, with reference to shown in figure 4 and Fig. 5, a kind of GM counting tubes provided in this embodiment, including in cathode casing 21, anode
Core 22 and pottery lid 23.
The GM counting tubes are exactly to employ cathode casing 21, anode inner core 22 and pottery lid 23 to realize entire tube body
Assembling, eliminates insulating bushing 13 completely.
Fig. 2 is the part-structure schematic diagram for the GM counting tubes that utility model one embodiment provides；
Fig. 3 is the sectional view of GM counting tubes shown in Fig. 2；
At this point, in order to be better understood upon the structure of the pottery lid 23 and the cathode casing 21, with reference to 2 He of figure
Fig. 3.
In Fig. 2 and structure shown in Fig. 3, the pottery lid 23 is arranged on the end of the cathode casing 21.
Also, hole 24 is provided in the pottery lid 23, the hole 24 is for anode inner core 22 described in grafting.
Next continuing with reference to figure 4 and Fig. 5, the anode inner core 22 is plugged in the hole 24, wherein, in the anode
One end of core 22 is located in the inner cavity of the cathode casing 21, and the other end of the anode inner core 22 is located at the outer of the cathode casing 21
Portion.
Material is thus formed the basic structures of the GM counting tubes.
In conclusion the GM counting tubes employ a kind of brand-new structure, this structure is counted with GM of the prior art
Number pipe directly eliminates a component for comparing, that is, the insulation lining being arranged between sealing cover 12 and anode inner core 22
Set 13.
And in order to realize the insulation effect between cathode casing 21 and anode inner core 22, so the sealing cover 12 is replaced
It has changed pottery lid 23 that can not be conductive into, can like this simplify operating procedure in assembling and making.
After the pottery lid 23 is connected with the cathode casing 21, it becomes possible to directly to cathode casing 21 and anode
Inner core 22 insulate, and need not recycle insulating bushing 13 completely to realize the insulation to cathode casing 21 and anode inner core 22.
In addition, based on this structure, structure can be simplified by being not only due to eliminate the insulating bushing 13, can also be due to
The sealing cover 12 of metal shell 11 is used instead pottery lid 23 to encapsulate, make metal shell 11 and pottery lid 23 realize well every
From and the leakproofness of total is more preferably, without reusing insulating bushing 13 in sealing cover 12.
But also have the advantages that environmental suitability is strong, it can be in humidity, high temperature, the various stable under adverse conditions outputs of low temperature
Pulse signal.It still can steady operation in impact, vibrations.
Also, due to eliminating insulating bushing 13, so total is simpler, it at this time can anode described in overstriking
Inner core 22 after the diameter of the anode inner core 22 is increased, can not only keep the size of former GM counting tubes, can also be due to
The contact area of anode inner core 22 and air is expanded, improves GM counting tube detection efficients.
With continued reference to Fig. 4 and Fig. 5, in the embodiment of the utility model, the GM counting tubes further include 25 He of exhaust pipe
Ceramic bottom cover 26.
Wherein, the exhaust pipe 25 is arranged on the other end of the cathode casing 21 by the ceramic bottom cover 26.
Preferably, in the embodiment of the utility model, the exhaust pipe 25 and the end of the cathode casing 21 are set respectively
It is equipped with internal thread and external screw thread；
The exhaust pipe 25 is connected with the cathode casing 21 by way of threaded engagement.
In the above-described embodiments, but the internal thread is arranged on the exhaust pipe 25, while by the external screw thread
The end of the cathode casing 21 is arranged on, the exhaust pipe 25 is then made to connect with the cathode casing 21 by way of threaded engagement
It connects.
The internal thread can also be arranged on the end of the cathode casing 21, while the external screw thread is arranged on institute
Exhaust pipe 25 is stated, the exhaust pipe 25 is then made to be connected with the cathode casing 21 by way of threaded engagement.
Further, in the embodiment of the utility model, the end part of the pottery lid 23 and the cathode casing 21
Internal thread and external screw thread are not provided with it；
The pottery lid 23 is connected with the cathode casing 21 by way of threaded engagement.
In the above-described embodiments, but the internal thread is arranged in the pottery lid 23, while by the outer spiral shell
Line is arranged on the end of the cathode casing 21, the side that the pottery lid 23 is then made to pass through threaded engagement with the cathode casing 21
Formula connects.
The internal thread can also be arranged on the end of the cathode casing 21, while the external screw thread is arranged on institute
Pottery lid 23 is stated, the pottery lid 23 is then made to be connected with the cathode casing 21 by way of threaded engagement.
Further, in the embodiment of the utility model, the pottery lid 23 passes through buckle with the cathode casing 21
Mechanism connects, and has the advantages of convenient disassembly, simple and quick using snap device.
Further, in the embodiment of the utility model, the pottery lid 23 passes through Nian Jie with the cathode casing 21
Agent is bonded, and is also had the advantages that using the mode of bonding easy to operate.
Further, in the embodiment of the utility model, the anode inner core 22 is in cylindrical structure.
Further, in the embodiment of the utility model, the anode inner core 22 includes tungsten filament or molybdenum filament.
Further, in the embodiment of the utility model, the pottery lid 23 is in cylindrical structure；
He or, the ceramic bottom cover 26 are in cylindrical structure.
Present invention also provides a kind of nuclear radiation detector, including the GM counting tubes.
Since concrete structure, the principle of work and power and the technique effect of the GM counting tubes are in detailed hereinbefore, herein just
It repeats no more.
So any technology contents for being related to the GM counting tubes, also can refer to above for the GM counting tubes
Record.
From the foregoing, it will be observed that the nuclear radiation detector employs the GM counting tubes to carry out to ionising radiation (α particles, β
Son, gamma-rays and X-ray) intensity numeration, and utilize the brand new of the GM counting tubes, can be when making the pottery lid
After 23 are connected with the cathode casing 21, it becomes possible to directly insulate to cathode casing 21 and anode inner core 22, completely not
Insulating bushing 13 must be recycled to realize the insulation to cathode casing 21 and anode inner core 22.
So the GM counting tubes of this structure are due to directly eliminating a component, that is, it is arranged on sealing cover 12 and sun
Insulating bushing 13 between pole inner core 22, and then operating procedure can be simplified in assembling and making.
Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, those of ordinary skill in the art should
Understand：It can still modify to the technical solution recorded in foregoing embodiments either to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is not made to depart from this practicality newly
The scope of each embodiment technical solution of type.
Claims (9)
1. a kind of GM counting tubes, which is characterized in that including cathode casing (21), anode inner core (22) and pottery lid (23)；
The pottery lid (23) is arranged on the end of the cathode casing (21)；
Hole (24) is provided on the pottery lid (23), the anode inner core (22) is plugged in the hole (24), wherein, institute
The one end for stating anode inner core (22) is located in the inner cavity of the cathode casing (21), and the other end of the anode inner core (22) is located at institute
State the outside of cathode casing (21)；
Further include exhaust pipe (25) and ceramic bottom cover (26)；
The exhaust pipe (25) is arranged on the other end of the cathode casing (21) by the ceramic bottom cover (26).
2. GM counting tubes according to claim 1, which is characterized in that the exhaust pipe (25) and the cathode casing (21)
End is respectively arranged with internal thread and external screw thread；
The exhaust pipe (25) is connected with the cathode casing (21) by way of threaded engagement.
3. GM counting tubes according to claim 1, which is characterized in that the pottery lid (23) and the cathode casing (21)
End be respectively arranged with internal thread and external screw thread；
The pottery lid (23) is connected with the cathode casing (21) by way of threaded engagement.
4. GM counting tubes according to claim 1, which is characterized in that the pottery lid (23) and the cathode casing (21)
It is connected by snap device.
5. GM counting tubes according to claim 1, which is characterized in that the pottery lid (23) and the cathode casing (21)
It is bonded by bonding agent.
6. GM counting tubes according to claim 1, which is characterized in that the anode inner core (22) is in cylindrical structure.
7. GM counting tubes according to claim 1, which is characterized in that the anode inner core (22) includes tungsten filament or molybdenum filament.
8. GM counting tubes according to claim 1, which is characterized in that the pottery lid (23) is in cylindrical structure；
He or, the ceramic bottom cover (26) are in cylindrical structure.
9. a kind of nuclear radiation detector, which is characterized in that including the GM counting tubes as any one of claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721154690.1U CN207440299U (en) | 2017-09-08 | 2017-09-08 | A kind of GM counting tubes and nuclear radiation detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721154690.1U CN207440299U (en) | 2017-09-08 | 2017-09-08 | A kind of GM counting tubes and nuclear radiation detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207440299U true CN207440299U (en) | 2018-06-01 |
Family
ID=62302443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721154690.1U Active CN207440299U (en) | 2017-09-08 | 2017-09-08 | A kind of GM counting tubes and nuclear radiation detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207440299U (en) |
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2017
- 2017-09-08 CN CN201721154690.1U patent/CN207440299U/en active Active
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