CN202649474U - Probe used for monitoring electronic accelerator beam intensity in real time - Google Patents
Probe used for monitoring electronic accelerator beam intensity in real time Download PDFInfo
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- CN202649474U CN202649474U CN 201220204083 CN201220204083U CN202649474U CN 202649474 U CN202649474 U CN 202649474U CN 201220204083 CN201220204083 CN 201220204083 CN 201220204083 U CN201220204083 U CN 201220204083U CN 202649474 U CN202649474 U CN 202649474U
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- beam intensity
- probe
- skeleton
- time monitoring
- electron accelerator
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Abstract
The utility model relates to a probe used for monitoring the electronic accelerator beam intensity in real time. The probe includes at least two skeletons, openings passing through the skeletons, metal foils covering the openings, and leads electrically connected with the metal foils. The probe has the following advantages: the thickness of the metal aluminium foil is smaller than 5[mu]m, so the metal aluminium foil has less influence on energy loss of high energy electron, and can not stop the high energy electron when the high energy electron passes through the aluminium foil; the probe is easy to use, is strong in operability and stability, and can realize the beam intensity lossless monitoring. The insulated circular skeleton is made of ceramic material, so the high energy electron can generate high heat when passing through the metal foil. The ceramic material is excellent in insulating property, is high in heat conductivity, can radiate heat rapidly, and is not easy to deform.
Description
Technical field
The utility model relates to electron accelerator beam intensity fields of measurement, is specifically related to a kind of probe for electron accelerator beam intensity Real-Time Monitoring.
Background technology
The radiation effect that high energy electron causes in the space environment can to the multiple spacecrafts such as geo-synchronous orbit satellite, satellite in Sun-synchronous orbit and deep space probe cause serious threat at the rail reliability service, the high energy electron that utilizes electron accelerator to produce under the condition of ground experiment chamber carries out irradiation test, the virtual space radiation effect is an important step of spacecraft radiation tolerance design.An important parameter index when beam intensity is the electron accelerator operation, this index directly reflect high energy electron big or small by the irradiation dose of irradiated material absorbed inside, so need to measure the beam intensity of electron accelerator in the irradiation process.
Faraday cylinder is modal electron accelerator beam intensity measurement mechanism, the graphite collection body that the utilization of this device is installed in the cylinder is collected the high energy electron that accelerator produces, measure beam intensity by gathering high energy electron at the current signal that the graphite collection body produces, have simple in structure, measurement range is wide, the precision high.Publication number is that the Chinese patent of CN101470208A discloses " a kind of measuring system for nA/pA electronic beam current of impulse electron accelerator ", and this patent utilization Faraday cylinder has solved the beam intensity of Na Pian pulsed electron accelerator and measured problem.Electron accelerator is when carrying out irradiation test, its beam intensity is not to be a steady state value, but can occur to a certain degree to fluctuate, for accurately obtaining high energy electron by the irradiation dose of irradiated material absorbed inside, need to be in irradiation process the beam intensity situation of change of Real-Time Monitoring electron accelerator.Yet Faraday cylinder is a kind of high energy electron gatherer, if will use as the beam intensity real-time monitoring device for the Faraday cylinder that beam intensity is measured, being blocked by irradiated material of Faraday cylinder back can will be positioned over, namely because described high energy electron is difficult to pass Faraday cylinder so that difficult in irradiation process monitor beam intensity of flow simultaneously.
Therefore need to find a kind of transmittance good, high energy electron not had the beam intensity measurement mechanism of barrier effect, solve Faraday cylinder can not be measured beam intensity simultaneously in irradiation process problem, realize the Real-Time Monitoring of electron accelerator beam intensity situation of change.
The utility model content
The problem that the utility model solves provides a kind of probe for electron accelerator beam intensity Real-Time Monitoring, to realize measuring simultaneously in the irradiation process function of electron accelerator beam intensity.
For addressing the above problem, the probe that is used for electron accelerator beam intensity Real-Time Monitoring that the utility model provides comprises: at least two skeletons, run through the opening of described skeleton, and cover the metal forming of described opening, the wire that is electrically connected with described metal forming.
Further, the material of described skeleton is pottery, and the shape of described skeleton is annular.
Further, the material of described metal forming is aluminium, and the thickness of described metal forming is less than 5 μ m; The material of described wire is copper.
Further, described metal aluminum foil is electrically connected with copper conductor by conducting resinl.
Further, described skeleton has upper and lower groove, and described wire is positioned at groove, and described lower groove is diversion trench.
Further, the number of plies of described skeleton is 6 to 20 layers; The thickness of skeleton is 1mm～2mm.
Further, described each layer skeleton contacted by bolt, and the bolt on the described skeleton all is at least 3.
The utility model has the advantage of: thickness is less to the high energy electron energy loss less than the metal aluminum foil of 5 μ m, can not produce barrier effect when high energy electron passes aluminium foil, and easy to use, workable, good stability can be realized the beam intensity non-destructive monitoring.
Probe for electron accelerator beam intensity Real-Time Monitoring provided by the utility model can not produce barrier effect to high energy electron when the monitoring beam intensity, high energy electron can pass described probe for electron accelerator beam intensity Real-Time Monitoring.
In addition, the probe for electron accelerator beam intensity Real-Time Monitoring provided by the utility model is easy to use, workable, good stability, to the beam intensity free of losses.
In addition, probe for electron accelerator beam intensity Real-Time Monitoring provided by the utility model adopts the ceramic material skeleton, its advantage is: can produce high heat when high energy electron passes metal forming, the stupalith good insulation preformance, pyroconductivity is high, can quick heat radiating, and be difficult for occuring deformation.
Description of drawings
Fig. 1 is the structural representation of the probe for electron accelerator beam intensity Real-Time Monitoring provided by the utility model.
1 is that skeleton, 2 is that metal forming, 3 is that wire, 4 is that the first bolt, 5 is that the second bolt, 6 is that the 3rd bolt, 7 is that upper groove, 8 is lower groove.
Schematic diagram when the metal forming of skeleton that Fig. 2 covers adjacent layer for expression is connected with high-pressure stage 2a, receiving pole 2b respectively.
Embodiment
By reference to the accompanying drawings embodiment of the present utility model is described further.
Show such as Fig. 1, composition of the present utility model comprises: adopt ceramic material multilayer skeleton 1, be installed in the installation site that bolt only is shown among metal forming 2 on the skeleton, wire 3, the first bolt 4, the second bolt 5, the 3rd bolt 6(figure, specifically do not draw bolt), upper groove 7 and lower groove 8.
Adopt the reason of metal aluminum foil to be: aluminum is less to the electron beam energy loss; Adopt the reason of copper conductor to be: the good conductivity of copper; Adopt the reason of ceramic material skeleton to be: can produce certain heat when high energy electron passes metal aluminum foil, the stupalith good insulation preformance, pyroconductivity is high, can quick heat radiating, and be difficult for occuring deformation, in other embodiments, described metal forming, wire, skeleton can also adopt other materials.
The thickness of every layer of skeleton 1 is 1mm～2mm.Metal forming 2 is sticked on the described skeleton 1, and the area of metal forming 2 hides the hollow parts of skeleton 1 centre fully greater than the interior diameter of skeleton 1, less than overall diameter, and thickness guarantees that less than 5 μ m high energy electron passes rear beam intensity, beam energy does not change.Metal forming 2 is installed on the skeleton 1, open a shallow slot in the upper and lower surface of every layer of skeleton 1, groove depth is about 1/3rd of ring thickness, the length of upper groove 7 shorter (less than the inner and outer diameter of skeleton poor), making wire lead slot uses, wire 3 is positioned in this wire lead slot, fills wire lead slot with conducting resinl, guarantee that metal forming 2 and the wire 3 that is placed in the wire lead slot form good Ohmic contact; The length of lower groove 8 equals inner and outer diameter poor of skeleton, and the inner and outer ring that is about to skeleton 1 is carved logical, the diversion trench of probe inner air when vacuumizing as vacuum chamber.
Utilize the first bolt 4, the second bolt 5, the 3rd bolt 6 that a plurality of skeletons 1 that metal forming 2 is housed are installed together, guarantee to be parallel to each other between the multilayer skeleton 1, namely form probe.Cover as shown in Figure 2 high-pressure stage 2a metal forming, the collector 2b metal forming of the skeleton of adjacent layer, the metal forming that namely covers on the skeleton of adjacent layer can not be connected on identical extremely going up.The one group of collection for electronic secondary that wherein meets high-pressure stage 2a provides high pressure, and one group that receives collector 2b is that electronic secondary is collected.The high-pressure stage 2a of probe is connected to high-voltage power supply by wire 3, and collector 2b is connected to measurement mechanism by wire 3.Skeleton is six layers in the present embodiment, and metal forming is six (each three of high-pressure stage and collectors), can increase as required the number of plies, and recommended amount is between six to 20.The quantity of described metal forming very little, the number of the electronic secondary of collecting is fewer, the electronic secondary line is faint; The quantity of described metal forming is too many, is unfavorable for that high energy electron passes described probe.
The Acceleration of starting device, the high energy electron that electron accelerator produces is under vacuum state, pass the metal forming 2 of described probe for electron accelerator beam intensity Real-Time Monitoring, under the High Pressure of 100V～300V, produce electronic secondary with the atomic interaction in the metal forming 2, the electronic secondary that produces is transported to and collects on the level under High Pressure.Have preferably linear relationship between described electronic secondary intensity of flow and the accelerator intensity, can the Real-Time Monitoring accelerator intensity by the electronic secondary intensity of flow.Measure electronic secondary line on effusion metal forming and the metal foil surface by measurement mechanism, reach the purpose of Real-Time Monitoring beam intensity, and after high energy electron passed metal forming 2, beam intensity, beam energy did not change.
The utility model is not limited to above-mentioned embodiment, no matter do any variation in shape and structure, every utilization pottery and metal aluminum foil can not produce the device of barrier effect to high energy electron, all drop among the protection domain of the present utility model.
Claims (7)
1. a probe that is used for electron accelerator beam intensity Real-Time Monitoring is characterized in that, comprising: at least two skeletons, run through the opening of described skeleton, and cover the metal forming of described opening, the wire that is electrically connected with described metal forming.
2. the probe for electron accelerator beam intensity Real-Time Monitoring according to claim 1 is characterized in that, the material of described skeleton is pottery, and the shape of described skeleton is annular.
3. the probe for electron accelerator beam intensity Real-Time Monitoring according to claim 1, it is characterized in that: the material of described metal forming is aluminium, the thickness of described metal forming is less than 5 μ m; The material of described wire is copper.
4. the probe for electron accelerator beam intensity Real-Time Monitoring according to claim 3 is characterized in that, described metal aluminum foil is electrically connected with copper conductor by conducting resinl.
5. the probe for electron accelerator beam intensity Real-Time Monitoring according to claim 1 is characterized in that, described skeleton has upper and lower groove, and described wire is positioned at the groove wire lead slot, and described lower groove is diversion trench.
6. the probe for electron accelerator beam intensity Real-Time Monitoring according to claim 1, it is characterized in that: the number of plies of described skeleton is 6 to 20 layers; The thickness of skeleton is 1mm～2mm.
7. the probe for electron accelerator beam intensity Real-Time Monitoring according to claim 1 is characterized in that, described each layer skeleton contacted by bolt, and the bolt on the described skeleton all is at least 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220204083 CN202649474U (en) | 2012-05-09 | 2012-05-09 | Probe used for monitoring electronic accelerator beam intensity in real time |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220204083 CN202649474U (en) | 2012-05-09 | 2012-05-09 | Probe used for monitoring electronic accelerator beam intensity in real time |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202649474U true CN202649474U (en) | 2013-01-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220204083 Expired - Lifetime CN202649474U (en) | 2012-05-09 | 2012-05-09 | Probe used for monitoring electronic accelerator beam intensity in real time |
Country Status (1)
| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103389507A (en) * | 2012-05-09 | 2013-11-13 | 上海精密计量测试研究所 | Probe for detecting beam intensity of electron accelerator in real time |
| CN105044764A (en) * | 2015-08-31 | 2015-11-11 | 中广核达胜加速器技术有限公司 | Electron accelerator beam dynamic acquisition device |
| CN108008435A (en) * | 2017-11-27 | 2018-05-08 | 上海联影医疗科技有限公司 | The dose monitoring system and observation circuit of medical accelerator |
-
2012
- 2012-05-09 CN CN 201220204083 patent/CN202649474U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103389507A (en) * | 2012-05-09 | 2013-11-13 | 上海精密计量测试研究所 | Probe for detecting beam intensity of electron accelerator in real time |
| CN105044764A (en) * | 2015-08-31 | 2015-11-11 | 中广核达胜加速器技术有限公司 | Electron accelerator beam dynamic acquisition device |
| CN105044764B (en) * | 2015-08-31 | 2017-11-10 | 中广核达胜加速器技术有限公司 | A kind of electron accelerator line dynamic acquisition device |
| CN108008435A (en) * | 2017-11-27 | 2018-05-08 | 上海联影医疗科技有限公司 | The dose monitoring system and observation circuit of medical accelerator |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130102 |
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| CX01 | Expiry of patent term |