CN203630324U - Magnetic field measuring device for cyclotron - Google Patents
Magnetic field measuring device for cyclotron Download PDFInfo
- Publication number
- CN203630324U CN203630324U CN201320837469.1U CN201320837469U CN203630324U CN 203630324 U CN203630324 U CN 203630324U CN 201320837469 U CN201320837469 U CN 201320837469U CN 203630324 U CN203630324 U CN 203630324U
- Authority
- CN
- China
- Prior art keywords
- magnetic field
- cyclotron
- main magnet
- motor
- data line
- 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
- 238000005259 measurement Methods 0.000 claims abstract description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- 239000000696 magnetic material Substances 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims 1
- 239000002245 particle Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 235000011888 snacks Nutrition 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- Particle Accelerators (AREA)
Abstract
The utility model discloses a magnetic field measuring device for a cyclotron. The magnetic field measuring device comprises a motion mechanism (1) arranged in a main magnet (3) and capable of performing magnetic field measurement, a motor (4) arranged outside the main magnet (3) and connected with the motion mechanism (1), and data lines (2, 14) connected with the motion mechanism (1) and the motor (4), and the motion mechanism, the motor, and the data lines connected with the motion mechanism and the motor are all arranged in a closed space. By adopting the technical scheme of the magnetic field measuring device for the cyclotron, the measuring device can be guaranteed to operate in a vacuum condition, the accuracy of measured results is guaranteed, and more accurate data is provided for magnetic field shimming and particle dynamics calculations.
Description
Technical field
The utility model belongs to cyclotron field, is specifically related to a kind of device for measuring magnetic field of cyclotron.
Background technology
In service at cyclotron, the central plane He Gu district state in high vacuum all the time of accelerator, and generally under atmosphere, carry out in magnetic-field measurement process, therefore, magnetic field value when magnetic-field measurement result cannot show accelerator operation really, special in large-scale cyclotron, the pressure of atmosphere weighs up to a hundred tons, atmospheric pressure causes the distortion of accelerator magnet, and the Distribution of Magnetic Field of the deformation effect accelerator centre plane of magnet further affects the quality of beam of accelerator.General way is to utilize vacuum to have a snack the factor to compensate both at home and abroad, for example CYCIAE-30 of Belgian IBA company and atomic energy institute.But degree of accuracy and the engineering experience of this method based on magnetic FEM, and the changes of magnetic field that this kind of method cannot cause atmospheric pressure is completely done compensation accurately.Therefore, we have designed a set of magnetic field measuring device of measuring magnetic field under vacuum condition that possesses, and have carried out the measuring magnetic field of cyclotron work under vacuum condition.
Summary of the invention
For the defect existing in prior art, the utility model provides a kind of device for measuring magnetic field of cyclotron, can guarantee to carry out magnetic-field measurement under vacuum condition, improves the accuracy of measurement data.
For reaching above object, the technical solution adopted in the utility model is: a kind of device for measuring magnetic field of cyclotron is provided, comprise that being arranged on main magnet inside can carry out the motion of magnetic-field measurement, be arranged on main magnet outside and the motor being connected with described motion and the data line being connected with motor with described motion, described motion, motor and data line are separately positioned in corresponding confined space.
Further, the confined space of described motion is surrounded by vacuum chamber, the upper cover plate of main magnet top and the lower cover of main magnet below of main magnet periphery.
Further, the confined space of described motor and the data line that is connected with described motor, by the lower cover of main magnet below, be fixed in the cloche on lower cover and the flange that covers on cloche surrounds.
Further, the confined space of the data line that is connected with motor, the confined space of the data line that is connected with described motion, by the upper cover plate of main magnet top, be fixed in the cloche on upper cover plate and the flange that covers on cloche surrounds.
Further, described data line, through flange, at the seal section place of flange, is peeled off outer field data line rubber peel, with resin-cast copper core.
Further, the copper core diameter of resin-cast is that Φ 3mm, length are 20mm.
Further, described magnetic field measuring device adopts little, the non-magnetic material of gas efficiency.
Useful technique effect of the present utility model is:
The motor that the utility model is connected by motion, with motion and the data line being connected with motor with motion, be all located in confined space, under vacuum condition, carries out the measurement of main field, makes data more accurate; Can have a snack with particle dynamics more accurate data are provided for magnetic field.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model device for measuring magnetic field of cyclotron.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
As shown in Figure 1, be the device for measuring magnetic field of cyclotron that the utility model provides, comprise that being arranged on main magnet 3 inside can carry out the motion 1 of magnetic-field measurement, be arranged on main magnet 3 outside and the motor 4 being connected with motion 1 and the data lines 14,2 that are connected with motor 4 with motion 1.More accurate for guaranteeing the data of magnetic-field measurement, the utility model is separately positioned on motion 1, motor 4 and data line 2 in corresponding confined space, can under the condition of vacuum, measure.
Wherein, the confined space of motion 1 is surrounded by vacuum chamber 5, the upper cover plate 7 of main magnet top and the lower cover 6 of main magnet below of main magnet periphery.
The confined space of motor 4 and the data line 2 that is connected with motor, by the lower cover 6 of main magnet below, be connected to the cloche 8 on lower cover 6 and the flange 9 that covers on cloche 8 is uncovered surrounds, wherein, between lower cover 6 and cloche 8, seal by O-ring seal 15, between flange 9 and cloche 8, seal by O-ring seal 10.
The confined space of data line 14 is connected with described motion 1, by the upper cover plate 7 of main magnet top, be fixed in the cloche 12 on upper cover plate 7 and the flange 11 that covers on cloche 12 is uncovered surrounds, wherein, between cloche 12 and upper cover plate 7, seal by O-ring seal 13, between cloche 12 and flange 11, seal by O-ring seal 16.
Data line 2 is through flange 9, at the seal section place of flange 9, for preventing in data line that copper core and rubber peel gap location are given vent to anger, outer field data line 2 rubber peel is peeled off, then use resin-cast copper core, making it to form diameter is the resin-cast section 17 that Φ 3mm, length are 20mm, between this resin-cast section and flange, seals by O-ring seal.
Equally, data line 14 is through flange 11, at the seal section place of flange 11, for preventing in data line that copper core and rubber gap location are given vent to anger, outer field data line 14 rubber peel is peeled off, then use resin-cast copper core, making it to form diameter is the resin-cast section 18 that Φ 3mm, length are 20mm, between resin-cast section and flange, seals by O-ring seal.
In addition, magnetic field measuring device should be selected the little and non-magnetic material of gas efficiency, is convenient to isolate with atmospheric environment better.Wherein, the little and non-magnetic material of gas efficiency can be selected titanium alloy, aluminium, oxygen-free copper and brass.
Adopt the technical solution of the utility model, can guarantee whole magnetic field measuring device and isolated from atmosphere, guarantee to measure under vacuum condition, make the data of its measurement more accurate, have a snack the design with particle dynamics for magnetic field accurate test figure is provided.
Before measurement, utilize vacuum air pump to carry out vacuum suction to whole main magnet inside, after 2 hours, the vacuum tightness of vacuum main magnet inside can reach 2.6 handkerchiefs, can carry out the magnetic-field measurement work under vacuum condition.
Device for measuring magnetic field of cyclotron of the present utility model is not limited to above-mentioned embodiment, and those skilled in the art draw other embodiment according to the technical solution of the utility model, belongs to equally technological innovation scope of the present utility model.
Claims (7)
1. a device for measuring magnetic field of cyclotron, comprise that being arranged on main magnet (3) inside can carry out the motion (1) of magnetic-field measurement, be arranged on main magnet (3) outside and the motor (4) being connected with described motion (1) and the data line (2,14) being connected with motor (4) with described motion (1), is characterized in that: described motion, motor and data line are located at respectively in corresponding confined space.
2. a kind of device for measuring magnetic field of cyclotron as claimed in claim 1, it is characterized in that: the confined space of described motion (1), is surrounded by the upper cover plate (7) of the peripheral vacuum chamber (5) of main magnet (3), main magnet (3) top and the lower cover (6) of main magnet below.
3. a kind of device for measuring magnetic field of cyclotron as claimed in claim 1, it is characterized in that: the confined space of described motor (4) and the data line (2) that is connected with described motor, by the lower cover (6) of main magnet below, be fixed in the cloche (8) on lower cover (6) and the flange (9) that covers on cloche (8) surrounds.
4. a kind of device for measuring magnetic field of cyclotron as claimed in claim 1, it is characterized in that: the confined space of data line (14) that are connected with described motion (1), by the upper cover plate (7) of main magnet top, be fixed in the cloche (12) on upper cover plate (7) and the flange (11) that covers on cloche (12) surrounds.
5. a kind of device for measuring magnetic field of cyclotron as described in claim 3 or 4 any one, is characterized in that: described data line, through flange, at the seal section place of flange, is peeled off outer field data line rubber peel, with resin-cast copper core.
6. a kind of device for measuring magnetic field of cyclotron as claimed in claim 5, is characterized in that: the copper core diameter of described resin-cast is that Φ 3mm, length are 20mm.
7. a kind of device for measuring magnetic field of cyclotron as claimed in claim 6, is characterized in that: described magnetic field measuring device adopts little, the non-magnetic material of gas efficiency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320837469.1U CN203630324U (en) | 2013-12-18 | 2013-12-18 | Magnetic field measuring device for cyclotron |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320837469.1U CN203630324U (en) | 2013-12-18 | 2013-12-18 | Magnetic field measuring device for cyclotron |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203630324U true CN203630324U (en) | 2014-06-04 |
Family
ID=50816786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320837469.1U Expired - Lifetime CN203630324U (en) | 2013-12-18 | 2013-12-18 | Magnetic field measuring device for cyclotron |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203630324U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103675720A (en) * | 2013-12-18 | 2014-03-26 | 中国原子能科学研究院 | Circular accelerator magnetic field measuring device |
-
2013
- 2013-12-18 CN CN201320837469.1U patent/CN203630324U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103675720A (en) * | 2013-12-18 | 2014-03-26 | 中国原子能科学研究院 | Circular accelerator magnetic field measuring device |
| CN103675720B (en) * | 2013-12-18 | 2017-03-29 | 中国原子能科学研究院 | A kind of device for measuring magnetic field of cyclotron |
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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: 20140604 |