CN206862925U - A kind of device for neutron small angle scattering spectrometer fast positioning sample position - Google Patents
A kind of device for neutron small angle scattering spectrometer fast positioning sample position Download PDFInfo
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- CN206862925U CN206862925U CN201720543734.3U CN201720543734U CN206862925U CN 206862925 U CN206862925 U CN 206862925U CN 201720543734 U CN201720543734 U CN 201720543734U CN 206862925 U CN206862925 U CN 206862925U
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- collimater
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- sample
- defining jaw
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Abstract
The utility model discloses the device for neutron small angle scattering spectrometer fast positioning sample position.The beam-defining jaw that collimater intracavitary is fixed in described device is connected with stepper motor.It is rigidly connected in the brake component of collimater intracavitary with high-precision laser spirit level.Pneumatic unit is respectively fixedly connected with track, control computer, air compressor.Brake component is rigidly connected with track；High-precision laser spirit level is connected with operation handle, is rigidly connected with brake component；The front end that source diaphragm is placed in outside collimater chamber；Collimation telescoping tube is fixedly connected with collimater chamber.Sample diaphragm is placed on collimation telescoping tube.Brake component can carry out three-dimensional motion.In debugging process, high-precision laser spirit level is promoted into neutron streaming position, adjusts the horizontal vertical direct rotary rotation mechanism of brake component, the laser beam for enabling to send is also cross beam-defining jaw.The utility model can be combined with the neutron small angle scattering spectrometer based on reactor and spallation neutron target, can be quickly to the sample fast positioning in different in situ environment equipment.
Description
Technical field
The utility model belongs to neutron small angle scattering experimental field, and in particular to it is fast that one kind is used for neutron small angle scattering spectrometer
The device of fast localizing sample position, it can be realized under various sample environment loading environments in varying environment loading environment sample
Sub- small-angle scattering experimental study.
Background technology
Neutron small angle scattering is a kind of important technology and means for studying submicroscopic structure and morphological feature, extensively should
For subjects such as polymer, large biological molecule, condensed matter physics and materials sciences, research field is related to alloy, suspension, breast
Liquid, colloid, Polymer Solution, natural macromolecular, liquid crystal, film, polyelectrolyte, compound, nano material and divide shape etc..Sending out
Up to country, each research reactor has the important technical of one or several neutron small angle scattering spectrometers as investigation of materials.
The main research material interior microscopic particle size of neutron small angle scattering, Size Distribution, shape, divide the parameters such as shape.At the small angle of neutron
In scattering research, sample environment includes the plurality of devices such as electromagnetic field, high temperature, low temperature, stretching, high pressure, rheology, and specimen material is each
Under kind of environment loading environment, it is important content that investigation of materials characterizes that how internal microstructure, which develops, therefore a sample or one
Series of samples is sometimes for using varying environment, or once experiment uses a kind of sample environmental unit, another batch in the completed
Secondary experiment needs to use another sample environment, then just needs to remove original sample environment, and changes another sample loop
Border, whether the position that at this moment sample is put is in neutron streaming position, with regard to as a problem.If be aligned using neutron,
Because neutron is invisible, it is necessary to be judged using detector measurement neutron by the direct puncture beam intensity of sample, it is necessary to not
Disconnected adjustment sample position, makes direct puncture beam intensity maximum, so determines that sample position has following unfavorable factor：（1）Spent
Time is grown, if the movement of sample environmental unit is difficult, it is necessary to carry out handling using overhead traveling crane；2）Sample location is inaccurate.Existing skill
When neutron small angle scattering spectrometer in art positions to sample position, pass through source light using the laser beam vertical with neutron streaming
Prism at door screen is totally reflected, and laser beam reaches sample position to reach the purpose of positioning by aperture.Its weak point
It is：Need to remove on prism after the completion of positioning, easily, it is necessary to which prism is moved at the diaphragm of source when 1. a pair sample positions
Cause the poor repeatability of prism location；2. the laser level for sending laser is in the collimater chamber exterior angle vertical with neutron streaming
Falling, staff's disengaging easily encounters laser level, and the laser for causing laser level to send is not vertical with neutron streaming,
Sample position can not be reached by aperture；3. because the uncertainty of both the above causes to carry out positioning expense to sample position
When, neutron source is very expensive, and the Sample location time is longer, and the beam time of waste is more.
The content of the invention
In order to overcome the shortcomings of that neutron small angle scattering spectrometer Sample location is difficult in the prior art, the utility model provides one
Device of the kind for neutron small angle scattering spectrometer fast positioning sample position, the utility model can be in heap source and spallation source
Applied on sub- small-angle scattering spectrometer.
The technical solution of the utility model is as follows
A kind of device for neutron small angle scattering spectrometer fast positioning sample position of the present utility model, is characterized in,
The device of described fast positioning sample position includes pneumatic unit, brake component, high-precision laser spirit level, aviation plug, behaviour
It is flexible to make handle, control computer, air compressor, collimater chamber, beam-defining jaw I, beam-defining jaw II, beam-defining jaw III, collimation
Pipe, sample diaphragm, source diaphragm.Wherein, collimater chamber is sealing vacuum chamber, and its annexation is that collimater intracavitary passes through support
Beam-defining jaw I, beam-defining jaw II, beam-defining jaw III are respectively fixed with, three have been respectively fixedly connected with the side wall of collimater chamber
Stepper motor, beam-defining jaw I, beam-defining jaw II, beam-defining jaw III are connected with stepper motor respectively.Also set up in collimater intracavitary
There are brake component, high-precision laser spirit level.Described pneumatic unit passes through collimater chamber, pneumatic unit in collimater intracavitary one
End is fixedly connected with track, and brake component is fixed in orbit, and is rigidly connected with track；High-precision laser level meter is fixed on system
On moving part, and it is rigidly connected with brake component.The one end of pneumatic unit outside collimater chamber is electrically connected by cable with control computer,
Also it is connected by Pneumatic pipe with air compressor.High-precision laser spirit level is connected by aviation plug with operation handle.Source
Diaphragm is placed in the slot of the front end outside collimater chamber.Collimation telescoping tube is fixedly connected with the bottom of collimater chamber.Sample diaphragm
It is placed in the slot of collimation telescoping tube.
Described pneumatic unit is substituted by electronic part.
Described beam-defining jaw I, beam-defining jaw II, beam-defining jaw III, sample diaphragm, source diaphragm be arranged in parallel.
Described beam-defining jaw I, beam-defining jaw II, beam-defining jaw III, sample diaphragm, source diaphragm are provided with a diameter of
8mm, 16mm, 30mm aperture.
The utility model uses laser analog neutron streaming, and various environmental units are loaded into neutron small angle scattering spectrometer sample
In sample platform, there is provided the position of laser beam spot, the position represent the position of neutron streaming irradiation, and sample is placed on the position and can obtained
Obtain maximum neutron intensity.In the utility model, moving parts that pneumatic unit controls as software；Brake component can be in water
Flat, vertical direction motion, and can rotate in the horizontal direction, can be locked by position now after brake component is adjusted in place.
The beneficial effects of the utility model are：
1st, the high-precision laser spirit level in the utility model, brake component and formed a whole together with pneumatic unit,
Promoted comprehensively when being easy to position sample release.
2nd, the utility model uses high-precision laser spirit level to be placed on the collimater intracavitary for sealing vacuum, using light
Straightline propagation mode carry out to Sample location, it is time saving and be easy to control.
3rd, the utility model is reequiped the power control part of high-precision laser spirit level, can be supplied outside chamber
Electricity simultaneously realizes long-range line traffic control.
4th, the motion of the high-precision laser spirit level in the utility model is using electronic（It is or pneumatic）Mode, turn on the power and adopt
With long-range line traffic control, avoid and caused a deviation because manually.
5th, application prospect of the present utility model：Join with the neutron small angle scattering spectrometer based on reactor and spallation neutron target
With can be quickly to the sample fast positioning in different in situ environment equipment.
Brief description of the drawings
Fig. 1 is a kind of structure of device for neutron small angle scattering spectrometer fast positioning sample position of the present utility model
Schematic diagram.
In figure, the operation handle 6. of 1. pneumatic unit, 2. brake component, 3. high-precision laser spirit level, 4. aviation socket 5.
Cable 7. controls the beam-defining jaw I 12. of 10. collimater chamber of computer 8. Pneumatic pipe, 9. air compressor 11. to limit Shu Guang
The sample of 16. source diaphragm of late II 13. beam-defining jaws III 14. collimation 15. sample diaphragm of telescoping tube 17..
Embodiment
The utility model is described in detail below in conjunction with the accompanying drawings.
Embodiment 1
Fig. 1 is a kind of structure of device for neutron small angle scattering spectrometer fast positioning sample position of the present utility model
Schematic diagram, in Fig. 1, the device of the present utility model for neutron small angle scattering spectrometer fast positioning sample position, including gas
Moving cell 1, brake component 2, high-precision laser spirit level 3, aviation plug 4, operation handle 5, control computer 7, air compressor 9,
Collimater chamber 10, beam-defining jaw I 11, beam-defining jaw II 12, beam-defining jaw III 13, collimation telescoping tube 14, sample diaphragm 15, source light
Door screen 16；Wherein, collimater chamber 10 is sealing vacuum chamber, and its annexation is to be respectively fixed with collimater chamber 10 by support
Beam-defining jaw I 11, beam-defining jaw II 12, beam-defining jaw III 13, three steps are respectively fixedly connected with the side wall of collimater chamber 10
Stepper motor, beam-defining jaw I 11, beam-defining jaw II 12, beam-defining jaw III 13 connect with corresponding stepper motor respectively.In collimater
Brake component 2, high-precision laser spirit level 3 are additionally provided with chamber 10.Described pneumatic unit 1 passes through collimater chamber 10, pneumatic single
First 1 one end in collimater chamber 10 is fixedly connected with track, and brake component 2 is fixed in orbit, and is rigidly connected with track；It is high
Precision laser level meter 3 is fixed on brake component 2, and is rigidly connected with brake component 2.Pneumatic unit 1 is outside collimater chamber 10
One end is electrically connected by cable 6 with control computer 7, is also connected by Pneumatic pipe 8 with air compressor 9.High-precision laser water
Quasi- instrument 3 is connected by aviation plug 4 with operation handle 5.Source diaphragm 16 is placed in the slot that the front end outside collimater chamber 10 is set.
Collimation telescoping tube 14 is fixedly connected with the bottom of collimater chamber 10.Sample diaphragm 15 is placed in inserting for collimation telescoping tube 14 bottom setting
In groove.Sample 17 is placed in the lower section of sample diaphragm 15.
Described beam-defining jaw I 11, beam-defining jaw II 12, beam-defining jaw III 13, sample diaphragm 15, source diaphragm 16 is parallel sets
Put.
In the utility model, containing electronic valve, piston, electronic valve is used to control gases at high pressure to work pneumatic unit 1
The motion of plug, piston rod are fixedly connected with the track in collimater chamber 10, and the motion of piston rod is promoted by gases at high pressure, are driven
Brake component and the motion of high-precision laser level meter, make it into or remove neutron streaming position on track.
In the present embodiment, beam-defining jaw I 11, beam-defining jaw II 12, beam-defining jaw III 13, sample diaphragm 15, source diaphragm 16
It is provided with a diameter of 8mm aperture.
The utility model will be fixed on braking by the high-precision level for reequiping circuit first during installation and debugging
On part, high-precision level forms an entirety with brake component.Brake component is fixed on the connected track of pneumatic unit piston, gas
Moving cell opens the power supply of high-precision laser spirit level by operation handle by software-driven track to neutron streaming position,
It is sent laser beam, adjust brake component, enable the laser beam of high-precision laser spirit level completely by three beam-defining jaws,
The aperture of source diaphragm and sample diaphragm, it is then that brake component is locked.In the utility model, collimater chamber using when be in close
Seal vacuum state, high precision laser, brake component, pneumatic unit, beam-defining jaw I, beam-defining jaw II, beam-defining jaw III all in
In vacuum.Control computer sends instruction to pneumatic unit, provides power by air compressor, can also be carried by electronic mode
For power.
The utility model combination neutron small angle scattering spectrometer to sample position carry out fast positioning the step of be：
1. brake component is promoted into neutron streaming position together with high-precision laser spirit level by pneumatic unit using software
Put.
2. remotely opening the power supply of high-precision laser spirit level using operation handle, send high-precision laser spirit level
Laser passes through sample diaphragm.
3. using two-dimension moving platform, sample is placed in the specimen holder on two-dimension moving platform, controlled by software
By sample motion to laser beam spot irradiation position.
4. after completing sample position positioning, high-precision laser spirit level power supply is closed, high-precision laser spirit level is removed
Neutron streaming position.
Embodiment 2
The present embodiment is identical with the structure of embodiment 1, except that described pneumatic unit 1 is replaced by electrical components
Generation；Beam-defining jaw I 11, beam-defining jaw II 12, beam-defining jaw III 13, sample diaphragm 15, source diaphragm 16 are provided with a diameter of
16mm aperture.
Claims (3)
1. a kind of device for neutron small angle scattering spectrometer fast positioning sample position, it is characterised in that described is quick fixed
The device of position sample position includes pneumatic unit（1）, brake component（2）, high-precision laser spirit level（3）, aviation plug（4）, behaviour
Make handle（5）, control computer（7）, air compressor（9）, collimater chamber（10）, beam-defining jaw I（11）, beam-defining jaw II
（12）, beam-defining jaw III（13）, collimation telescoping tube（14）, sample diaphragm（15）, source diaphragm（16）；Wherein, collimater chamber（10）
To seal vacuum chamber, its annexation is collimater chamber（10）It is interior that beam-defining jaw I is respectively fixed with by support（11）, limit beam
Diaphragm II（12）, beam-defining jaw III（13）, in collimater chamber（10）Side wall be respectively fixedly connected with three stepper motors, limit beam
Diaphragm I（11）, beam-defining jaw II（12）, beam-defining jaw III（13）Connected respectively with corresponding stepper motor；In collimater chamber
（10）Inside it is additionally provided with brake component（2）, high-precision laser spirit level（3）；Described pneumatic unit（1）Through collimater chamber
（10）, pneumatic unit（1）In collimater chamber（10）Interior one end is fixedly connected with track, brake component（2）It is fixed in orbit, and
It is rigidly connected with track；High-precision laser spirit level（3）It is fixed on brake component（2）On, and and brake component（2）It is rigidly connected；Gas
Moving cell（1）In collimater chamber（10）Outer one end passes through cable（6）With controlling computer（7）Electrical connection, also passes through Pneumatic pipe
（8）With air compressor（9）Connection；High-precision laser spirit level（3）Pass through aviation plug（4）With operation handle（5）Connection；Source
Diaphragm（16）It is placed in collimater chamber（10）In the slot that outer front end is set；Collimate telescoping tube（14）With collimater chamber（10）Bottom
End is fixedly connected；Sample diaphragm（15）It is placed in collimation telescoping tube（14）In the slot that bottom is set.
2. the device according to claim 1 for neutron small angle scattering spectrometer fast positioning sample position, its feature exists
In described beam-defining jaw I（11）, beam-defining jaw II（12）, beam-defining jaw III（13）, sample diaphragm（15）, source diaphragm（16）
It is arranged in parallel.
3. the device according to claim 1 for neutron small angle scattering spectrometer fast positioning sample position, its feature exists
In described beam-defining jaw I（11）, beam-defining jaw II（12）, beam-defining jaw III（13）, sample diaphragm（15）, source diaphragm（16）
It is provided with a diameter of 8mm, 16mm, 30mm aperture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720543734.3U CN206862925U (en) | 2017-05-17 | 2017-05-17 | A kind of device for neutron small angle scattering spectrometer fast positioning sample position |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720543734.3U CN206862925U (en) | 2017-05-17 | 2017-05-17 | A kind of device for neutron small angle scattering spectrometer fast positioning sample position |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206862925U true CN206862925U (en) | 2018-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720543734.3U Expired - Fee Related CN206862925U (en) | 2017-05-17 | 2017-05-17 | A kind of device for neutron small angle scattering spectrometer fast positioning sample position |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106950236A (en) * | 2017-05-17 | 2017-07-14 | 中国工程物理研究院核物理与化学研究所 | A kind of device for the quick localizing sample position of neutron small angle scattering spectrometer |
| CN108169263A (en) * | 2018-03-28 | 2018-06-15 | 中国工程物理研究院核物理与化学研究所 | A kind of glancing incidence experimental provision for neutron small angle scattering |
| CN109444188A (en) * | 2018-12-14 | 2019-03-08 | 中国工程物理研究院核物理与化学研究所 | A kind of two-dimensional array sampling device for batch testing |
| CN111707690A (en) * | 2020-07-22 | 2020-09-25 | 中国工程物理研究院核物理与化学研究所 | Precession magnetic field generating device for spin echo small-angle neutron scattering spectrometer |
-
2017
- 2017-05-17 CN CN201720543734.3U patent/CN206862925U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106950236A (en) * | 2017-05-17 | 2017-07-14 | 中国工程物理研究院核物理与化学研究所 | A kind of device for the quick localizing sample position of neutron small angle scattering spectrometer |
| CN108169263A (en) * | 2018-03-28 | 2018-06-15 | 中国工程物理研究院核物理与化学研究所 | A kind of glancing incidence experimental provision for neutron small angle scattering |
| CN108169263B (en) * | 2018-03-28 | 2023-05-05 | 中国工程物理研究院核物理与化学研究所 | Grazing incidence experimental device for neutron small-angle scattering |
| CN109444188A (en) * | 2018-12-14 | 2019-03-08 | 中国工程物理研究院核物理与化学研究所 | A kind of two-dimensional array sampling device for batch testing |
| CN111707690A (en) * | 2020-07-22 | 2020-09-25 | 中国工程物理研究院核物理与化学研究所 | Precession magnetic field generating device for spin echo small-angle neutron scattering spectrometer |
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