CN206489097U - A kind of neutron imaging sample continuous detection apparatus - Google Patents
A kind of neutron imaging sample continuous detection apparatus Download PDFInfo
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- CN206489097U CN206489097U CN201720158061.XU CN201720158061U CN206489097U CN 206489097 U CN206489097 U CN 206489097U CN 201720158061 U CN201720158061 U CN 201720158061U CN 206489097 U CN206489097 U CN 206489097U
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Abstract
The utility model discloses a kind of neutron imaging sample continuous detection apparatus, including imaging device, collimate screening arrangement, target chamber, small neutron accelerator, mobile detection band and working plate, the imaging device, collimate screening arrangement, it is sequentially connected between target chamber and small neutron accelerator, the mobile detection band is arranged between imaging device and collimation screening arrangement, and it is installed with clamp in mobile detection band, spring is embedded with clamp, the working plate is inserted directly into clamp, and the spring embedded using clamp is pinned, mobile detection band is moved via pulse step motor control, by the outlet of the center alignment collimation screening arrangement of working plate.The working plate using aluminium sheet as carrier, due to aluminium sheet metallic character, density is small the features such as, to needing to be had little to no effect by the measured object that neutron penetrates imaging above carrier, imaging is not influenceed；In effective imaging viewing field, one-time detection is imaged multiple samples, and detection efficiency and precision are further improved.
Description
Technical field
The utility model belongs to technical field of nondestructive testing, and in particular to the continuous neutron imaging inspection of one kind automation Multi-example
Survey device.
Background technology
Small neutron source is generally divided into radioactive source neutron source and accelerator neutron generator, and radioactive source neutron source is to utilize radioactivity
Nucleic produces neutron, and yield is relatively low, short life, and accelerator neutron generator yield is high, does not have neutron generation after power cutoff, makes
With conveniently, controllability is good, and security is higher.
Compact accelerator neutron source it is main by ion gun, accelerating tube, beam optics Transmission system and it is supporting constitute, it is and supporting
Generally comprise control system, power-supply system, vacuum system, cooling system, target chamber, neutron yield monitoring system and neutron
Device, operation principle is that ion gun produces deuterium ion beam, accelerated into accelerating tube by extraction, prefocus, obtains higher energy
Amount, accelerated deuterium ion beam bombardment tritium target, occurs deuterium-tritium reaction, produces neutron.But, the detection of current neutron imaging instrument should
In, in the range of effective imaging viewing field, fix-security isolation-neutron imaging instrument starts-by sample position and irradiate sample
Product are simultaneously imaged 40min-neutron imaging instrument and close-wait instrument to cool down the flow such as 16h-taking-up sample, and a working day can only
A sample is imaged, detection imaging efficiency is very low.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of neutron imaging sample continuous detection apparatus, Neng Gou
In effective imaging viewing field, one-time detection is imaged multiple samples, and accuracy of detection is high.
In order to solve the above-mentioned technical problem, the utility model is accomplished by the following way：
A kind of neutron imaging sample continuous detection apparatus, including imaging device, collimation screening arrangement, target chamber, small neutron
Accelerator, mobile detection band and working plate, between the imaging device, collimation screening arrangement, target chamber and small neutron accelerator
It is sequentially connected, the mobile detection band is arranged between imaging device and collimation screening arrangement, and fixed peace in mobile detection band
Equipped with clamp, spring is embedded with clamp, the working plate is inserted directly into clamp, and the spring embedded using clamp is locked
Firmly, mobile detection band is moved via pulse step motor control, and the center alignment of working plate is collimated into screening arrangement
Exit.
Further, the working plate uses aluminium sheet, and the size of aluminium sheet is 220mm × 220mm, and its thickness is 3mm.
Compared with prior art, the utility model has the advantage that：
Working plate of the present utility model uses aluminium sheet as a carrier, due to the metallic character (interatomic of aluminium sheet
Gap is big), the features such as density is small, neutron can be penetrated easily, the measured object to needing to be penetrated imaging above carrier by neutron
Have little to no effect, imaging is not influenceed；In effective imaging viewing field, using He3 detectors as front-end detection part, with
ORTEC plug-in units carry out signal acquisition process, and transfer data to computer, are processed and displayed；Effectively imaging is regarded simultaneously
In, one-time detection is imaged multiple samples, and detection efficiency and precision are further improved.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
The mark of each in figure is respectively：1st, imaging device, 2, collimation screening arrangement, 3, target chamber, 4, small neutron accelerator,
5th, mobile detection band, 6, working plate.
Embodiment
Embodiment of the present utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of neutron imaging sample continuous detection apparatus, including imaging device 1, collimation screening arrangement 2, target
Room 3, small neutron accelerator 4, mobile detection band 5 and working plate 6, the imaging device, collimation screening arrangement, target chamber and small-sized
It is sequentially connected between neutron accelerator, the mobile detection band is arranged between imaging device and collimation screening arrangement, and mobile
It is installed with detection band in clamp, clamp and is embedded with spring, the working plate is inserted directly into clamp, and is embedded using clamp
Spring pinned, mobile detection band is moved via pulse step motor control, and the center of working plate is aligned into accurate
The exit of straight screening arrangement, the working plate uses aluminium sheet, and the size of aluminium sheet is 220mm × 220mm, and its thickness is 3mm.
When mounted, automation sample detection means independently can be installed and adjusted provided with installation and debugging button on the spot
The running status of working plate is tried, Serial Port Line access control system, the whole automatic inspection of upper computer software control are utilized after the completion of debugging
Examining system；Automate sample detection means and Accurate Position Control, stepping electricity are carried out to mobile detection band by pulse step motor
Machine drives working plate to detect the 250mm that once moves forward, while next working plate to be accurately located to 200mmx200mm imaging viewing field
It is interior, continuously detected, detection 8 minutes, altogether detection 5 times every time of each working plate, single working plate single is accumulative to detect 40 points
After clock, 8 hours duty 12 working plates of accumulative detection, replacing tritium target is carried out, detection is taken out and completes product.
Described above is only embodiment of the present utility model, is stated again, for the ordinary skill people of the art
For member, on the premise of the utility model principle is not departed from, some improvement, these improvement can also be carried out to the utility model
Also it is included in the utility model scope of the claims.
Claims (2)
1. a kind of neutron imaging sample continuous detection apparatus, it is characterised in that：Including imaging device (1), collimation screening arrangement
(2), target chamber (3), small neutron accelerator (4), mobile detection band (5) and working plate (6), the imaging device, collimation shielding
It is sequentially connected between device, target chamber and small neutron accelerator, the mobile detection band is arranged on imaging device and collimation is shielded
Between device, and it is installed with mobile detection band in clamp, clamp and is embedded with spring, the working plate is inserted directly into card
Pincers, and the spring embedded using clamp pinned, mobile detection band is moved via pulse step motor control, and by working plate
Center alignment collimation screening arrangement exit.
2. a kind of neutron imaging sample continuous detection apparatus according to claim 1, it is characterised in that：The working plate is adopted
Size with aluminium sheet, and aluminium sheet is 220mm × 220mm, and its thickness is 3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720158061.XU CN206489097U (en) | 2017-02-22 | 2017-02-22 | A kind of neutron imaging sample continuous detection apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720158061.XU CN206489097U (en) | 2017-02-22 | 2017-02-22 | A kind of neutron imaging sample continuous detection apparatus |
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| Publication Number | Publication Date |
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| CN206489097U true CN206489097U (en) | 2017-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720158061.XU Active CN206489097U (en) | 2017-02-22 | 2017-02-22 | A kind of neutron imaging sample continuous detection apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106645229A (en) * | 2017-02-22 | 2017-05-10 | 中广核久源（成都）科技有限公司 | Neutron imaging sample continuous detection system |
| CN109152193A (en) * | 2018-09-19 | 2019-01-04 | 西安交通大学 | A kind of vehicle-mounted proton linac neutron source photographic system |
-
2017
- 2017-02-22 CN CN201720158061.XU patent/CN206489097U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106645229A (en) * | 2017-02-22 | 2017-05-10 | 中广核久源（成都）科技有限公司 | Neutron imaging sample continuous detection system |
| CN109152193A (en) * | 2018-09-19 | 2019-01-04 | 西安交通大学 | A kind of vehicle-mounted proton linac neutron source photographic system |
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