CN108183060A - A kind of ionisation chamber for radiation dose monitoring - Google Patents
A kind of ionisation chamber for radiation dose monitoring Download PDFInfo
- Publication number
- CN108183060A CN108183060A CN201711335520.8A CN201711335520A CN108183060A CN 108183060 A CN108183060 A CN 108183060A CN 201711335520 A CN201711335520 A CN 201711335520A CN 108183060 A CN108183060 A CN 108183060A
- Authority
- CN
- China
- Prior art keywords
- ground terminal
- ionisation chamber
- supporting rod
- isolation part
- fixing piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J47/00—Tubes for determining the presence, intensity, density or energy of radiation or particles
- H01J47/02—Ionisation chambers
Landscapes
- Measurement Of Radiation (AREA)
Abstract
The present embodiments relate to a kind of ionisation chamber for radiation dose monitoring, including：Ionisation chamber ontology offers jack on ionisation chamber ontology；Connecting portion is connected to the outer surface of ionisation chamber ontology；Graphite collector, one end wear jack and are placed in ionisation chamber ontology；Supporting rod, supporting rod bottom end are equipped with junction button；Bar connecting bracket, bar connecting bracket bottom end are connected with the top of supporting rod, and side surface is connected with connecting portion；Fixing piece is sleeved on supporting rod and bar connecting bracket；Ground terminal is arranged on the top of bar connecting bracket；High_voltage isolation part, inner surface are connected with ground terminal, and outer surface is connected with connecting portion；Signal isolation part is arranged on the inside of ground terminal；Collector connector is set on the inside of signal isolation part；Graphite collector is plugged on collector connector.The present invention, electric field are evenly distributed, and improve stability and the accuracy of air kerma magnitude.
Description
Technical field
The present invention relates to Radiation monitoring technical field more particularly to a kind of ionisation chambers for radiation dose monitoring.
Background technology
The device for Radiation monitoring is needed to configure in the workplace of employee exposed to radiation, and graphite ionization chamber is
The detector of ionising radiation is measured using the ionisation effect of ionising radiation.Graphite cavity ionization chamber belongs to current ionization chamber, practical
The cumulative effect that radiation generates is measured, wherein, the ionization rate of chamber interior is related with the electric field strength generated inside ionisation chamber.
Graphite ionization chamber can measure air kerma, and air kerma is uncharged ionizing particle in unit
The summation of the initial kinetic energy of whole electrification ionizing particles released in the air of quality, is that ionizing radiation dose is most heavy
One of physical quantity wanted.Air kerma is also absorbed dose of radiation and the Research foundation of dose equivalent, is converted through magnitude, application
The absorbed dose of radiation and dose equivalent magnitude in field can trace to the source to Kerma benchmark.
Invention content
In order to solve the problems in the prior art, the purpose of the present invention is to provide a kind of electric field and be evenly distributed, can improve sky
The stability of gas Kerma magnitude and the ionisation chamber for radiation dose monitoring of accuracy.
To achieve the above object, the present invention provides a kind of ionisation chamber for radiation dose monitoring, the ionisation chamber packets
It includes：Ionization part, graphite collector and transmission cable connecting component；
Ionization part, including ionisation chamber ontology and connecting portion；
The ionisation chamber ontology is hollow ball, and jack is offered on the ionisation chamber ontology；
The connecting portion is connected to the outer surface of the ionisation chamber ontology, and the connecting portion is in annular shape, the connecting portion
Axle center and the axle center of the jack coincide；
The ionisation chamber ontology is made with the connecting portion of graphite material；
Graphite collector, one end of the graphite collector wear the jack and are placed in the ionisation chamber ontology；
Transmission cable connecting component, including supporting rod, bar connecting bracket, fixing piece, ground terminal, high_voltage isolation part, letter
Number separator and collector connector；
The supporting rod, the bottom end of the supporting rod is equipped with junction button, for fixing double shield coaxial connector；
The bar connecting bracket, the bottom end of the bar connecting bracket are connected with the top of the supporting rod；The bar connection
The side surface of stent is connected with the connecting portion；
The fixing piece is sleeved on the supporting rod and the bar connecting bracket, for by the supporting rod and described
Bar connecting bracket is fixedly connected with the connecting portion；
The ground terminal, the ground terminal are arranged on the top of the bar connecting bracket；
The high_voltage isolation part, the inner surface of the high_voltage isolation part are connected with the ground terminal, the high pressure every
The outer surface of off member is connected with the connecting portion；
The signal isolation part, the signal isolation part are arranged on the inside of the ground terminal；
The collector connector is set to the inside of the signal isolation part；The graphite collector is plugged on described
On collector connector.
Preferably, the ionisation chamber ontology includes the first hemisphere and the second hemisphere；First hemisphere with it is described
Second hemisphere passes through conducting resinl stick to each other.
It is further preferred that the first hemispheroidal junction has groove, the second hemispheroidal junction tool
There is the convex block with the groove match, the convex block is inlaid in the groove.
Preferably, the ground terminal includes the first ground terminal, the second ground terminal and third ground terminal；
First ground terminal is sleeved on the top of the bar connecting bracket；
Second ground terminal, the cross section of second ground terminal is n fonts, is sleeved on first ground connection
On the outer surface of terminal；
The third ground terminal is sleeved on second ground terminal；The outer surface of the third ground terminal
It is connected with the high_voltage isolation part, the inner surface of the third ground terminal is connected with the signal isolation part.
Preferably, the signal isolation part includes the first separator and the second separator；
First separator, is arranged in the ground terminal；
Second separator, second separator are located in first separator, second separator it is upper
Surface is connected with the collector connector, and the lower surface of second separator is connected with the ground terminal.
Preferably, it is bolted to connection between the bar connecting bracket and the supporting rod.
Preferably, the supporting rod includes first support bar and second support bar；
The first support bar, the first support bar are connected with the bar connecting bracket；
The second support bar, the second support bar are threadedly coupled with the first support bar.
Preferably, the fixing piece includes the first fixing piece and the second fixing piece；
First fixing piece, is sleeved on the connecting portion, and first fixing piece passes through conduction with the connecting portion
Gluing connects；
Second fixing piece is threadedly coupled with first fixing piece.
Preferably, the ionisation chamber further includes transmission cable, and the transmission cable is socketed in the supporting rod；It is described
The center conductor of transmission cable is welded with the collector connector, internal layer cable and the ground terminal of the transmission cable
Son is connected.
Preferably, the material of the supporting rod, the fixing piece, the ground terminal and the collector connector is equal
For the brass of surface gold-plating, the material of the bar connecting bracket, the high_voltage isolation part and the signal isolation part is poly- three
Fluorine vinyl chloride.
Ionisation chamber provided in an embodiment of the present invention for radiation dose monitoring, mechanical processing and assembly precision are high, are easy to
Modeling Calculation, electric field are evenly distributed, and improve stability and the accuracy of air kerma magnitude.
Description of the drawings
Fig. 1 is the stereoscopic schematic diagram of the ionisation chamber provided in an embodiment of the present invention for radiation dose monitoring；
Fig. 2 is the sectional view of the ionisation chamber provided in an embodiment of the present invention for radiation dose monitoring；
Fig. 3 is the exploded perspective view of the ionisation chamber provided in an embodiment of the present invention for radiation dose monitoring；
Fig. 4 is the ionization part schematic diagram of the ionisation chamber provided in an embodiment of the present invention for radiation dose monitoring；
Fig. 5 is the first support bar schematic diagram of the ionisation chamber provided in an embodiment of the present invention for radiation dose monitoring；
Fig. 6 is the bar connecting bracket schematic diagram of the ionisation chamber provided in an embodiment of the present invention for radiation dose monitoring；
Fig. 7 is the fixing piece schematic diagram of the ionisation chamber provided in an embodiment of the present invention for radiation dose monitoring；
Fig. 8 is the ground terminal schematic diagram of the ionisation chamber provided in an embodiment of the present invention for radiation dose monitoring；
Fig. 9 is the signal isolation part schematic diagram of the ionisation chamber provided in an embodiment of the present invention for radiation dose monitoring；
Figure 10 is the graphite collector and collector of the ionisation chamber provided in an embodiment of the present invention for radiation dose monitoring
Connector schematic diagram；
Figure 11 is the section view partial enlarged view of the ionisation chamber provided in an embodiment of the present invention for radiation dose monitoring.
Specific embodiment
Below by drawings and examples, technical scheme of the present invention is described in further detail.
The present embodiments relate to the ionisation chamber for radiation dose monitoring of offer, mechanical processing and assembly precision are high,
It is easy to Modeling Calculation, electric field is evenly distributed, and improves stability and the accuracy of air kerma magnitude.
Fig. 1, Fig. 2 and Fig. 3 are respectively that the solid of the ionisation chamber provided in an embodiment of the present invention for radiation dose monitoring is shown
Intention, sectional view and exploded perspective view.With reference to shown in Fig. 1, Fig. 2 and Fig. 3：
Ionisation chamber provided in an embodiment of the present invention for radiation dose monitoring specifically includes：Ionization part 1, graphite are collected
Pole 2 and transmission cable connecting component 3.
Wherein, ionization part 1 includes ionisation chamber ontology 11 and connecting portion 12；Transmission cable connecting component 3 includes supporting rod
31st, bar connecting bracket 32, fixing piece 33, ground terminal 34, high_voltage isolation part 35, signal isolation part 36 and collector connector
37。
Ionisation chamber ontology 11 in ionization part 1 is hollow ball, and offer jack on ionisation chamber ontology 11 (does not show in figure
Go out)；Connecting portion 12 is connected to the outer surface of ionisation chamber ontology 11, and connecting portion 12 is in annular shape, the axle center of connecting portion 12 and jack
Axle center coincide.
In order to easy to process, as shown in figure 4, ionisation chamber ontology 11 divides for the first hemisphere 111 and the second hemisphere 112,
First hemisphere 111 and the second hemisphere 112 pass through conducting resinl stick to each other, it is preferred that the junction of the first hemisphere 111
With groove 1111, the junction of the second hemisphere 112 has the convex block 1121 to match with groove 1111, when the first hemisphere
When body 111 is mutually Nian Jie with the second hemisphere 112, convex block 1121 is inlaid in groove 1111, increases bond area, it is fixed more
Securely.Meanwhile second hemisphere 112 be integrated and connect with connecting portion 12, connecting portion 12 is connected for convenience with other component
It connects, fixing groove 121 is provided in the one end that is connected with other component, for the fixation of fixing piece.
Meanwhile ionisation chamber ontology 11 is made with connecting portion 12 of graphite material.
Graphite collector 2, specific one end of graphite collector 2 is solid cylinder as shown in Figure 10, and solid cylinder
Top is equipped with solid hemisphere, and solid hemispheroidal radius is identical with the radius of solid cylinder；Graphite collector 2 it is another
The cylinder that connecting hole 20 is provided with for bottom end is held, the radius of the cylinder is more than the radius of solid cylinder.During installation, graphite is received
One end of collector 2 wears jack 110 and is placed in ionisation chamber ontology 11, and the other end of graphite collector 2 passes through connecting hole 20 and receipts
Collector connector 37 is connected.
Above by Fig. 4 and Figure 10 is combined, the structure of ionization part 1 and graphite collector 2 is described.It ties below
Fig. 5-Figure 11 is closed, is described in detail to the structure of all parts in transmission cable connecting component 3.
Supporting rod 31, the bottom end of supporting rod 31 is equipped with junction button 38, for fixing double shield coaxial connector.Specific
Embodiment in, due to supporting rod it is long when, be unfavorable for processing, and flexible, it is therefore preferred that supporting rod 31 include first
Supporting rod 311 and second support bar 312, first support bar 311 are threadedly coupled with second support bar 312.
First support bar 311 is connected with bar connecting bracket 32, specific as shown in figure 5, first support bar 311 is hollow
Shape is provided with the first threaded hole 3110, and first support bar 311 connect on the side surface of one end with other component and sets on side surface
There is the fixed block 3111 that cross section is annulus.
Meanwhile second support bar 312 is also hollow tube-shape, first support bar 311 is inside and outside straight with second support bar 312
Diameter all same, and the bottom end of second support bar 312 is threadedly coupled with junction button 38.
Specifically as shown in fig. 6, bar connecting bracket 32 is hollow tube-shape, the second spiral shell is provided on side surface for bar connecting bracket 32
Pit 3210, when bar connecting bracket 32 is connected with first support bar 311, the first threaded hole 3110 and the second threaded hole
3210 positions are opposite, screw bolt passes the first threaded hole 3110 and the second threaded hole 3210, so as to by bar connecting bracket 32 with
First support bar 311 is fixed.Meanwhile the first fixed part 322 and the second fixed part are additionally provided on the side surface of bar connecting bracket 32
323, the cross section of the first fixed part 322 and the second fixed part 323 is circular ring shape, and the overall diameter of the second fixed part 323 with
The overall diameter of fixed block 3111 is identical, and the overall diameter of the first fixed part 322 is less than the overall diameter of the second fixed part 323, and the
The bottom face of one fixed part 322 is connected with the top end face of the second fixed part 323.
The bottom end of bar connecting bracket 32 is connected with the top of supporting rod 31, and connecting portion is inserted on the top of bar connecting bracket 32
In 12, the first fixed part 322 and the second fixed part 323 are connected with connecting portion 12, and the overall diameter of the first fixed part 322 and company
The interior diameter of socket part 12 matches, and the top end face of the second fixed part 323 is connected with the bottom face of connecting portion 12, and first is consolidated
Determine portion 322 to be stuck in connecting portion 12.
Fixing piece 33, it is specific as shown in fig. 7, being easy for installation, in the particular embodiment, fixing piece 33 includes first
331 and second fixing piece 332 of fixing piece.Wherein, the first fixing piece 331 is annulus, is sleeved on connecting portion 12, embedded in fixation
In slot 121, and pass through conducting resinl and 12 adhesion of connecting portion；Second fixing piece 332 be barrel-like structure, 332 tubbiness of the second fixing piece
Circular hole (not shown) is provided on the bottom end of structure, on the inner surface of the open at one end of 332 barrel-like structure of the second fixing piece
Inner groovy 3321 is provided with, the depth of inner groovy 3321 is identical with the height of the first fixing piece 331, when the first fixing piece 331 and
Two fixing pieces 332 are threadedly coupled, and the first fixing piece 331 is fixed on just in inner groovy 3321.
Meanwhile second the overall diameter of interior diameter and the second fixed part 323 and fixed block 3111 of fixing piece 332 match,
Second fixing piece 332 is sleeved on by circular hole thereon on supporting rod 31 and the outer surface of bar connecting bracket 32, and second fixes
Part 332 is threadedly coupled with the first fixing piece 331, so as to which supporting rod 31 and bar connecting bracket 32 be fixed with connecting portion 12.
In the particular embodiment, achieve the effect that beauty, the second fixing piece in process in order to remove deburring
Chamfering is also provided on 332 bottom end.
Ground terminal 34 is arranged on the top of bar connecting bracket 32, specific as shown in figure 8, ground terminal 34 includes first
Ground terminal 341, the second ground terminal 342 and third ground terminal 343, the first ground terminal 341 are hollow tube-shape, and bottom
End side surface is equipped with the block 3411 that cross section is annulus；The cross section of second ground terminal 342 is n fonts, and second is grounded
The top of terminal 342 is provided with first through hole 3420；Third ground terminal 343 is hollow cylindrical configuration, and cross section is type
Shape.Wherein, the difference of the inner and outer diameter of block 3411 is equal to the sidewall thickness of the second ground terminal 342 and third ground terminal 343
The sum of.
In the particular embodiment, the first ground terminal 341 is sleeved on the top of bar connecting bracket 32, the first ground connection
The interior diameter of terminal 341 and the overall diameter of 32 hollow cylindrical configuration of bar connecting bracket match, the bottom face of block 3411 and
The top end face of one fixed part 322 is in contact；Second ground terminal 342 is sleeved on the outer surface of the first ground terminal 341；
Third ground terminal 343 is sleeved on the second ground terminal 342, outer surface and the high_voltage isolation part of third ground terminal 343
35 are connected, and the inner surface of third ground terminal 343 is connected with signal isolation part 36.
High_voltage isolation part 35 is similar to the structure of third ground terminal 343, is also hollow cylindrical configuration, and cross section is
Convex shape, the overall diameter of the interior diameter and third ground terminal 343 of high_voltage isolation part 35 match.High_voltage isolation part 35 it is interior
Side surface is connected with the outer surface of third ground terminal 343 in ground terminal 34, the outer surface of high_voltage isolation part 35 and company
The inner surface of socket part 12 is connected.
Signal isolation part 36 is arranged on the inside of third ground terminal 343 in ground terminal 34, it is specific as shown in figure 9,
Signal isolation part 36 includes the first separator 361 and the second separator 362；The structure of first separator 361 is also grounded with third
The structure of terminal 343 is similar, be hollow cylindrical configuration, cross section is convex shape, meanwhile, the overall diameter of the first separator 361 with
The interior diameter of third ground terminal 343 matches；Second separator 362 is located in the first separator 361, is cylindrical structure, the
The overall diameter of two separators 362 and the interior diameter of the first separator 361 match, and are provided with second on the second separator 362
Through-hole 3620.
First separator 361 is arranged in the third ground terminal 343 in ground terminal 34；Second separator 362 is located at
In first separator 361, and the upper surface of the second separator 362 is connected with the bottom face of collector connector 37, the second isolation
The lower surface of part 362 is connected with the top end face of the second ground terminal 342 in ground terminal 34.
Collector connector 37 is set to the inside of signal isolation part 36, specific as shown in Figure 10, collector connector
37 be cylinder, and the bottom end of collector connector 37 is provided with link slot 370, the center conductor of transmission cable (not shown)
It is fixed in link slot 370, it is preferred that the center conductor of transmission cable is welded with collector connector 37, since collector connects
Therefore 37 small volume of fitting, for convenient welding, has symmetrical two on the side surface of collector connector 37
Section 371, two sections 371 are conducive to the gripping to collector connector 37 when smallclothes weld, while in order to which tin is convenient,
A molten tin bath (not shown) is also provided on a wherein section 371.
In addition, in order to enable collector connector 37 can fully be connect with graphite collector 2, collector connector 37
On be additionally provided with link block 372, link block 372 is inserted into the connecting hole 20 on graphite collector 2, so that graphite collector 2
It is plugged on collector connector 37.
In the particular embodiment, the material of supporting rod 31, fixing piece 33, ground terminal 34 and collector connector 37
The both preferably brass of surface gold-plating, the material of bar connecting bracket 32, high_voltage isolation part 35 and signal isolation part 36 are both preferably
Polytrifluorochloroethylene.
Ionisation chamber further includes transmission cable, and transmission cable is arranged in the hollow structure of supporting rod 31；In transmission cable
Heart conducting wire is welded with collector connector 37, and the internal layer cable of transmission cable is connected with ground terminal 34.
It is the structure and component to all parts in the ionisation chamber provided in this embodiment for radiation dose monitoring above
Between connection relation be described, with reference to Fig. 2 and Figure 11, the installation process of all parts of ionisation chamber is carried out
It is described in detail.
First, conducting resinl is smeared on the convex block 1121 of the second hemisphere 112, convex block 1121 is then inlaid in first
In the groove 1111 of hemisphere 111, so as to which the first hemisphere 111 is fixed on the second hemisphere 112 by conducting resinl, group
Into a complete ionization part 1.Then high_voltage isolation part 35 is placed into the inside of connecting portion 12, by third ground terminal 343
The inside of high_voltage isolation part 35 is placed into, then the first separator 361 is put into the inside of third ground terminal 343, and by stone
One end is placed in ionisation chamber ontology 11 by black collector 2 by jack 110.Later, bar connecting bracket 32 is sleeved on
On one supporting rod 311, and make the first threaded hole 3110 opposite with 3210 position of the second threaded hole, bar is connected by branch by bolt
Frame 32 and first support bar 311 are fixed, then the first ground terminal 341 is sleeved on to the top of bar connecting bracket 32, the second ground connection
Terminal 342 is sleeved on the first ground terminal 341, at this point, the axle center of first through hole 3420 and the axis of the first ground terminal 341
The heart is identical, and the second separator 362 and collector connector 37 then are sequentially placed the top end face to the second ground terminal 342
On, transmission cable is passed through to the hollow structure of first support bar 311 and bar connecting bracket 32, center conductor is inserted into collection
In the link slot 370 of pole connector 37, then picked up by two sections 371, by molten tin bath 373 to center conductor
It is welded, so as to which center conductor be connect with collector connector 37, then by bar connecting bracket 32, first support bar
311st, the first ground terminal 341, the second ground terminal 342, the second separator 362, collector connector 37 and transmission cable are whole
Body is inserted into the connecting hole 20 on graphite collector 2 by link block 372 and is grounded with ionization part 1, high_voltage isolation part 35, third
Terminal 343, the first separator 361 are connected with graphite collector 2.The first fixing piece 331 is passed through into conducting resinl and connecting portion again
12 adhesions, the second fixing piece 332 are sleeved on by circular hole thereon on supporting rod 31 and the outer surface of bar connecting bracket 32,
Second fixing piece 332 is threadedly coupled with the first fixing piece 331, and second support bar 312 finally is threaded in first support bar
311 bottom end, junction button 38 are threaded in the bottom end of second support bar 312, so as to form complete ionisation chamber.
Wherein, it is in fixed double shield coaxial connector, by junction button 38 and branch by adding high pressure outside ionisation chamber
Strut 31, and will be high by 31 connection fixture 33 of supporting rod and connecting portion 12 by connecting double shield coaxial connector outermost layer
Pressure is added on ionisation chamber ontology 11, and therefore, the outer layer high-tension cable of transmission cable can not be connect with first support bar 311, but
Be in order to prevent due to leading to high-voltage transmission less than on ionisation chamber ontology 11 with connecting double shield coaxial connector loose contact,
Preferably, the outer layer high-tension cable of transmission cable is connect with first support bar 311.
During work, double shield coaxial connector pass sequentially through it is conductive can junction button 38, second support bar 312,
High pressure is added on ionisation chamber ontology 11 by first support bar 311, the second fixing piece 332, the first fixing piece 331 and connecting portion 12,
Potential is generated between ionisation chamber ontology 11 and position the graphite collector 2 in the inner of the hollow ball made of the graphite material
Difference, so as to form electric field in air.11 inner air of ionisation chamber ontology absorbs radiation, is ionized, ion pair is in the work of electric field
It is moved with lower the two poles of the earth formed to graphite collector 2 and ionisation chamber ontology 11, electric current is formed, by the center conductor of transmission cable
Being output to can measure on the experimental facilities of weak current, and utilize the current value and ionization building volume, temperature, gas measured
The coaptations such as pressure, gas density go out to measure the dose value at position, that is, are used to characterize the dose of radiation that eye lens is subject to.
Ionisation chamber provided in an embodiment of the present invention for radiation dose monitoring, mechanical processing and assembly precision are high, are easy to
Modeling Calculation, electric field are evenly distributed, and improve stability and the accuracy of air kerma magnitude.
Particular embodiments described above has carried out the purpose of the present invention, technical solution and advantageous effect further in detail
It describes in detail bright, it should be understood that the above is only a specific embodiment of the present invention, is not intended to limit the present invention
Protection domain, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (10)
1. a kind of ionisation chamber for radiation dose monitoring, which is characterized in that the ionisation chamber includes：Ionization part, graphite are collected
Pole and transmission cable connecting component；
Ionization part, including ionisation chamber ontology and connecting portion；
The ionisation chamber ontology is hollow ball, and jack is offered on the ionisation chamber ontology；
The connecting portion is connected to the outer surface of the ionisation chamber ontology, and the connecting portion is in annular shape, the axis of the connecting portion
The axle center of the heart and the jack coincides；
The ionisation chamber ontology is made with the connecting portion of graphite material；
Graphite collector, one end of the graphite collector wear the jack and are placed in the ionisation chamber ontology；
Transmission cable connecting component, including supporting rod, bar connecting bracket, fixing piece, ground terminal, high_voltage isolation part, signal every
Off member and collector connector；
The supporting rod, the bottom end of the supporting rod is equipped with junction button, for fixing double shield coaxial connector；
The bar connecting bracket, the bottom end of the bar connecting bracket are connected with the top of the supporting rod；The bar connecting bracket
Side surface be connected with the connecting portion；
The fixing piece is sleeved on the supporting rod and the bar connecting bracket, for the supporting rod and the bar to be connected
Stent is connect to be fixedly connected with the connecting portion；
The ground terminal, the ground terminal are arranged on the top of the bar connecting bracket；
The high_voltage isolation part, the inner surface of the high_voltage isolation part are connected with the ground terminal, the high_voltage isolation part
Outer surface be connected with the connecting portion；
The signal isolation part, the signal isolation part are arranged on the inside of the ground terminal；
The collector connector is set to the inside of the signal isolation part；The graphite collector is plugged on the collection
On the connector of pole.
2. the ionisation chamber according to claim 1 for radiation dose monitoring, which is characterized in that the ionisation chamber ontology packet
Include the first hemisphere and the second hemisphere；First hemisphere passes through conducting resinl stick to each other with second hemisphere.
3. the ionisation chamber according to claim 2 for radiation dose monitoring, which is characterized in that described first is hemispheroidal
Junction has groove, and the second hemispheroidal junction has the convex block with the groove match, and the convex block is embedded in
In the groove.
4. the ionisation chamber according to claim 1 for radiation dose monitoring, which is characterized in that the ground terminal includes
First ground terminal, the second ground terminal and third ground terminal；
First ground terminal is sleeved on the top of the bar connecting bracket；
Second ground terminal, the cross section of second ground terminal is n fonts, is sleeved on first ground terminal
On outer surface；
The third ground terminal is sleeved on second ground terminal；The outer surface of the third ground terminal and institute
It states high_voltage isolation part to be connected, the inner surface of the third ground terminal is connected with the signal isolation part.
5. the ionisation chamber according to claim 1 for radiation dose monitoring, which is characterized in that the signal isolation part packet
Include the first separator and the second separator；
First separator, is arranged in the ground terminal；
Second separator, second separator are located in first separator, the upper surface of second separator
It is connected with the collector connector, the lower surface of second separator is connected with the ground terminal.
6. the ionisation chamber according to claim 1 for radiation dose monitoring, which is characterized in that the bar connecting bracket with
It is bolted to connection between the supporting rod.
7. the ionisation chamber according to claim 1 for radiation dose monitoring, which is characterized in that the supporting rod includes the
One supporting rod and second support bar；
The first support bar, the first support bar are connected with the bar connecting bracket；
The second support bar, the second support bar are threadedly coupled with the first support bar.
8. the ionisation chamber according to claim 1 for radiation dose monitoring, which is characterized in that the fixing piece includes the
One fixing piece and the second fixing piece；
First fixing piece, is sleeved on the connecting portion, and first fixing piece passes through conductive gluing with the connecting portion
Even；
Second fixing piece is threadedly coupled with first fixing piece.
9. the ionisation chamber according to claim 1 for radiation dose monitoring, which is characterized in that the ionisation chamber further includes
Transmission cable, the transmission cable are socketed in the supporting rod；The center conductor of the transmission cable connects with the collector
Fitting welds, and the internal layer cable of the transmission cable is connected with the ground terminal.
10. the ionisation chamber according to claim 1 for radiation dose monitoring, which is characterized in that the supporting rod, described
The material of fixing piece, the ground terminal and the collector connector is the brass of surface gold-plating, the bar connecting bracket,
The material of the high_voltage isolation part and the signal isolation part is polytrifluorochloroethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711335520.8A CN108183060B (en) | 2017-12-14 | 2017-12-14 | A kind of ionisation chamber for radiation dose monitoring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711335520.8A CN108183060B (en) | 2017-12-14 | 2017-12-14 | A kind of ionisation chamber for radiation dose monitoring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108183060A true CN108183060A (en) | 2018-06-19 |
| CN108183060B CN108183060B (en) | 2019-07-23 |
Family
ID=62546002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711335520.8A Active CN108183060B (en) | 2017-12-14 | 2017-12-14 | A kind of ionisation chamber for radiation dose monitoring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108183060B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08101276A (en) * | 1994-09-30 | 1996-04-16 | Toshiba Corp | Gamma-ray detector |
| US6153884A (en) * | 1998-06-11 | 2000-11-28 | Seimans Automotive Corporation | Radioisotope proximity sensor |
| TW201218239A (en) * | 2010-10-28 | 2012-05-01 | Iner Aec Executive Yuan | Spherical polarity air ionization chamber |
| CN203415539U (en) * | 2013-08-19 | 2014-01-29 | 北京康科达科技有限公司 | Ionization chamber |
| JP2015004594A (en) * | 2013-06-21 | 2015-01-08 | 株式会社東芝 | Radiation detector |
| CN105629286A (en) * | 2016-01-28 | 2016-06-01 | 中国计量科学研究院 | Ionization chamber used for measuring ambient dose equivalent |
| CN106449347A (en) * | 2016-10-28 | 2017-02-22 | 中国计量科学研究院 | Ionization chamber device |
-
2017
- 2017-12-14 CN CN201711335520.8A patent/CN108183060B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08101276A (en) * | 1994-09-30 | 1996-04-16 | Toshiba Corp | Gamma-ray detector |
| US6153884A (en) * | 1998-06-11 | 2000-11-28 | Seimans Automotive Corporation | Radioisotope proximity sensor |
| TW201218239A (en) * | 2010-10-28 | 2012-05-01 | Iner Aec Executive Yuan | Spherical polarity air ionization chamber |
| JP2015004594A (en) * | 2013-06-21 | 2015-01-08 | 株式会社東芝 | Radiation detector |
| CN203415539U (en) * | 2013-08-19 | 2014-01-29 | 北京康科达科技有限公司 | Ionization chamber |
| CN105629286A (en) * | 2016-01-28 | 2016-06-01 | 中国计量科学研究院 | Ionization chamber used for measuring ambient dose equivalent |
| CN106449347A (en) * | 2016-10-28 | 2017-02-22 | 中国计量科学研究院 | Ionization chamber device |
Non-Patent Citations (1)
| Title |
|---|
| 李德红等: "137 CS γ射线空气比释动能基准石墨空腔电离室的研制", 《计量学报》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108183060B (en) | 2019-07-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102163776B (en) | Plug and power supply connector | |
| CN207601324U (en) | A kind of radiation dose monitoring ionisation chamber | |
| CN108183060A (en) | A kind of ionisation chamber for radiation dose monitoring | |
| CN109011212B (en) | Wide for medical accelerator can atmospheric air ionisation chamber | |
| CN106449347A (en) | Ionization chamber device | |
| CN110441809B (en) | Nuclear reactor accident and ionization chamber radiation detector for accident | |
| CN101158723A (en) | End window ionization chamber | |
| CN105891395B (en) | Hydrogen flame ionization detector | |
| TWI434313B (en) | Spherical polarity air ionization chamber | |
| CN203415539U (en) | Ionization chamber | |
| CN108181639B (en) | A kind of simulator of simulation human body eye lens ray energy deposition | |
| CN109148254A (en) | A kind of pollution-resistant high concentration tritium gas monitor ionization chamber | |
| CN202339411U (en) | Source-embedded resistance-to-radiation ionization chamber | |
| CN219997309U (en) | Ionization chamber detector | |
| CN210572771U (en) | Ionization chamber radiation detector for accident and after accident | |
| CN210894472U (en) | A test electric auxiliary trolley for transformer substation tests electrography | |
| CN206558563U (en) | A kind of battery cap structure | |
| CN211554119U (en) | Novel integrated welding voltage and current acquisition device | |
| CN213342789U (en) | Circular accelerator shielding protection device | |
| CN205608072U (en) | Electrography is tested to anti falling of resistance to compression | |
| CN220324406U (en) | Cavity ionization chamber for environmental level | |
| CN216387380U (en) | Satellite with light detection and analysis module | |
| CN208985951U (en) | A kind of stable corona discharge ionization source | |
| CN208862194U (en) | A kind of movable grounding device | |
| CN218939592U (en) | Digital ionization chamber detector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |