CN201173974Y - Composite ionization chamber - Google Patents
Composite ionization chamber Download PDFInfo
- Publication number
- CN201173974Y CN201173974Y CNU2008200055292U CN200820005529U CN201173974Y CN 201173974 Y CN201173974 Y CN 201173974Y CN U2008200055292 U CNU2008200055292 U CN U2008200055292U CN 200820005529 U CN200820005529 U CN 200820005529U CN 201173974 Y CN201173974 Y CN 201173974Y
- Authority
- CN
- China
- Prior art keywords
- ionization chamber
- electrode plate
- negative electrode
- high voltage
- shell
- 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.)
- Expired - Lifetime
Links
- 239000002131 composite material Substances 0.000 title 1
- 239000000463 material Substances 0.000 claims abstract description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 5
- 229920000573 polyethylene Polymers 0.000 claims abstract description 5
- 150000001875 compounds Chemical class 0.000 claims description 12
- 239000004411 aluminium Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 230000005855 radiation Effects 0.000 abstract description 4
- 239000004698 Polyethylene Substances 0.000 abstract 1
- -1 polyethylene Polymers 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000005025 nuclear technology Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
Landscapes
- Measurement Of Radiation (AREA)
Abstract
The utility model discloses a combined ionization chamber which has low cost and strong stability and measures a neutron and gamma radiation dosage simultaneously. The device is cylindrical and mainly consists of internal parts and a housing (2), wherein the internal parts comprise an inner lining layer (1), a collecting electrode and a high voltage electrode, the inner lining layer (1) is sleeved on the external circumference of the collecting electrode and the high voltage electrode, the collecting electrode is a positive electrode plate (3) and is fixed by a conducting bar (5) as well as is insulated with the housing (2), the high voltage electrode is a negative electrode plate (4) and is fixed by a conducting bar (6) and fixing discs (10 and 11) as well as is insulated with the housing (2); the housing (2) is provided with a high voltage power supply interface (7), a vent hole (9) and a signal output interface (8), the high voltage power supply interface (7) of the housing (2) is connected with the high voltage electrode, the signal output interface (8) is connected with the collecting electrode, the positive electrode plate (3) and the negative electrode plate (4) are made of aluminum, and the inner lining layer (1) is made of a polyethylene material.
Description
Technical field
The utility model relates to a kind of device with multilayer parallel-plate chamber, particularly a kind of compound ionization chamber.
Background technology
Ionization chamber is a kind of detector that is used to measure ionising radiation the earliest, the existing so far history that goes up a century, and up to the present, ionization chamber has obtained to use very widely, is the leading detector of a class during nuclear energy engineering and nuclear technology and environment measurement are used always.
In the prior art, ionization chamber commonly used generally comprises housing, electrode system, insulator etc., its complex structure, involve great expense, the electrode of this kind ionization chamber adopts embedded Fixed Design, the shortcoming of the ionization chamber of this structure: its poor rigidity, when ionization chamber was vibrated, electrode amplitude was big, jitter.
Also once reported multi-layer plane ionization chamber abroad, it is reported that its battery lead plate of this kind ionization chamber, inner liner all adopted tissueequivalentmaterial to make the cost height.
Summary of the invention
The utility model has overcome the deficiencies in the prior art, provides a kind of cost low, simple in structure, novel in design, and stability is strong, can measure the compound ionization chamber of neutron and γ radiation dose simultaneously.
In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions:
A kind of compound ionization chamber, this device is column type, mainly is made up of intraware and shell, and described intraware comprises inner liner, collector, high-pressure stage three parts; Described collection very fix by contact rod between the positive electrode plate and and casing insulation, described high pressure very negative electrode plate fix by contact rod and shaft collar and and casing insulation, high-voltage power supply interface, air hole and signal output interface are set on the shell, high-voltage power supply interface on the shell is connected with high-pressure stage, signal output interface is connected with collector, described positive and negative electrode plate is an aluminium, and inner liner is a polythene material.
For fear of the bluk recombination of ionization chamber inside, the utility model is all right: described battery lead plate between totally 20～30 layers and the positive-negative electrode plate spacing be the equidistant setting of 7mm; The diameter of described battery lead plate is 9～15cm, and thickness is 1～1.5mm; Described contact rod is a stainless steel material.
Compared with prior art, the utility model has the advantages that: the positive and negative electrode plate of this device adopts aluminium, inner liner adopts polythene material, thereby saved the cost of this device greatly, this device can be measured neutron and γ radiation dose simultaneously, can measure high energy gamma and high-energy neutron, applied range is measured broad quantum.
Description of drawings
The compound ionization chamber structural representation of Fig. 1
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail:
A kind of compound ionization chamber, this device is column type, mainly is made up of intraware and shell 2, and described intraware comprises inner liner 1, collector, high-pressure stage three parts; Thickness is the excircle that the inner liner 1 of 1cm is enclosed within collector and high-pressure stage, described collection very diameter is 9～15cm, thickness be between the positive electrode plate 3 of 1～1.5mm by stainless contact rod 5 fixing and with shell 2 insulation, described high pressure very diameter is 9～15cm, and thickness is that the negative electrode plate 4 of 1～1.5mm passes through stainless contact rod 6 and shaft collar 10,11 is fixed and insulate with shell 2; Totally 20～30 layers of spaced set and spacing are 7mm between the positive and negative electrode plate 3,4; High-voltage power supply interface 7, air hole 9 and signal output interface 8 are set on the shell 2, and the high-voltage power supply interface 7 on the shell 2 is connected with high-pressure stage, and signal output interface 8 is connected with collector, and described positive and negative electrode plate 3,4 is an aluminium, and inner liner 1 is a polythene material.The preferred 25 layers of battery lead plate of present embodiment are simultaneously with shell 2 ground connection.
In this embodiment, the principle of work of ionization chamber is as follows:
At first, ionization chamber is vacuumized, fill gases such as methane and nitrogen, and link to each other with electrometer, and signal processing system and change in voltage system are installed, by the variation of regulation voltage, measure the saturation curve of ionization chamber, last according to analysis to saturation curve, finish measurement.
Claims (6)
1. compound ionization chamber, this device is column type, mainly is made up of intraware and shell (2), and described intraware comprises inner liner (1), collector, high-pressure stage three parts; Inner liner (1) is enclosed within on the excircle of collector and high-pressure stage, described collection is very fixed by contact rod (5) between the positive electrode plate (3) and is insulated with shell (2), and described high pressure very negative electrode plate (4) is fixed by contact rod (6) and shaft collar (10,11) and insulated with shell (2); High-voltage power supply interface (7), air hole (9) and signal output interface (8) are set on the shell (2), high-voltage power supply interface (7) on the shell (2) is connected with high-pressure stage, signal output interface (8) is connected with collector, it is characterized in that, described positive and negative electrode plate (3,4) is an aluminium, and inner liner (1) is a polythene material.
2. compound ionization chamber according to claim 1 is characterized in that, equidistant setting and its spacing are 7mm between the described positive and negative electrode plate (3,4).
3. compound ionization chamber according to claim 1 is characterized in that, the diameter of described positive and negative electrode plate (3,4) is 9～15cm, and thickness is 1～1.5mm.
4. compound ionization chamber according to claim 1 is characterized in that, totally 20～30 layers of described positive and negative electrode plates (3,4).
5. compound ionization chamber according to claim 1 is characterized in that, described inner liner (1) thickness is 1cm.
6. compound ionization chamber according to claim 1 is characterized in that, described contact rod (5,6) is a stainless steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200055292U CN201173974Y (en) | 2008-03-05 | 2008-03-05 | Composite ionization chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200055292U CN201173974Y (en) | 2008-03-05 | 2008-03-05 | Composite ionization chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201173974Y true CN201173974Y (en) | 2008-12-31 |
Family
ID=40201102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200055292U Expired - Lifetime CN201173974Y (en) | 2008-03-05 | 2008-03-05 | Composite ionization chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201173974Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103185892A (en) * | 2011-12-29 | 2013-07-03 | 中国辐射防护研究院 | Method for ionization chamber X and gamma energy response compensation through nylon material |
| CN103474323A (en) * | 2012-06-08 | 2013-12-25 | 中国原子能科学研究院 | Ionization chamber for directly measuring personal dose equivalent |
-
2008
- 2008-03-05 CN CNU2008200055292U patent/CN201173974Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103185892A (en) * | 2011-12-29 | 2013-07-03 | 中国辐射防护研究院 | Method for ionization chamber X and gamma energy response compensation through nylon material |
| CN103185892B (en) * | 2011-12-29 | 2016-06-29 | 中国辐射防护研究院 | Utilize the method that nylon material carries out ionization chamber X, gamma energy response compensates |
| CN103474323A (en) * | 2012-06-08 | 2013-12-25 | 中国原子能科学研究院 | Ionization chamber for directly measuring personal dose equivalent |
| CN103474323B (en) * | 2012-06-08 | 2016-08-03 | 中国原子能科学研究院 | A kind of ionization chamber of direct measurement personal dose equivalent |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20081231 |