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Detector used for measuring beam profile

A detector and beam technology, applied in the field of high-energy physics, can solve the problem that the detector signal wire cannot be replaced quickly, and achieve the effect of increasing the replacement space, increasing the detection accuracy, and quickly putting into use

Active Publication Date: 2017-10-20
DONGGUAN NEUTRON SCI CENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] This application provides a detector for measuring the beam profile, which aims to solve the problem that the signal wires of the existing detectors cannot be replaced quickly, and the problem of dense wire arrangement can be achieved while ensuring repeated installation accuracy

Method used

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  • Detector used for measuring beam profile
  • Detector used for measuring beam profile
  • Detector used for measuring beam profile

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] The detector that is used to measure the beam current profile given in this embodiment, such as figure 1 As shown, it includes a probe. The probe includes a substrate 1. A window 2 is provided at the center of the substrate 1 for the beam to pass through. Signal wires 3 for detecting the beam position and profile information are distributed on the surface of the substrate 1. The signal wire 3 covers the surface of the window 2. When the beam passes through the window 2, it will bombard the signal wire 3, causing the signal wire 3 to generate a current. The detector obtains the beam current by collecting the electrical signal on the signal wire 3. Related parameters. In order to increase the detection efficiency of the detector and increase the detection accuracy, a set of signal wires 3 are provided on the upper and lower surfaces of the substrate 1 , and the two sets of signal wires 3 cross and overlap at the geometric center of the window 2 . Both ends of each group ...

Embodiment 2

[0038] This embodiment is an improved solution based on the first embodiment. In this embodiment, the signal wire 3 can also adopt a structural layout with one end fixed and one end pretensioned. specific as Figure 6-Figure 7 As shown, one end of the signal wire 3 in this embodiment is fixed by the method of Embodiment 1, and the other end is directly fixed on the fixing wire 8 . The fixing wire 8 is arranged at both ends of the signal wire 3 corresponding to the fixing wire 6. The structure of the fixing wire 8 is similar to that of the fixing wire 6. The upper end of the fixing wire 8 is provided with a second ceramic shoulder 80, and the bottom is fixed on the On the base plate 1, the difference is that the second porcelain bearer 80 at the upper end of the fixing wire 8 is flattened to form a flat position 85 parallel to the axial direction of the fixing wire 8, and a fixing screw hole 82 is provided on the flat position 85. The fastening screw hole 82 extends axially al...

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PUM

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Abstract

A detector used for measuring a beam profile includes a substrate, a wire tightening device and a lead. Signal wires are distributed on a substrate; the wire tightening device includes a ceramic block fixed to the surface of the substrate, a plurality of conductive columns are distributed in the ceramic block, the conductive columns can be pulled by the signal wires and move along an axial direction, and elastic pieces for holding the conductive columns to tension the signal wires are arranged in the ceramic block. Fixing of the signal wires and pretightening operation are separated, end parts of the signal wires are fixed after turning through wire fixers, thus space for replacement of the signal wires is increased, and replacement difficulty is lowered, so that the signal wires can realize relatively dense arrangement, thereby increasing detection precision of the detector; and springs and the conductive columns are fixed in a wire tightening channel, under the circumstance of ensuring repeated installation precision of the signal wires, the signal wires can be rapidly replaced, and the signal wires can be effectively prevented from interference of external vibration, so that the installed signal wires can be rapidly put into use, thereby increasing reliability of equipment.

Description

technical field [0001] The present application relates to the field of high-energy physics, and in particular to a detector for measuring beam profiles. Background technique [0002] In the field of high-energy physics, multi-filament detectors need to be used to quickly collect the profile distribution and position information of the beam when adjusting the beam of the spallation neutron source. The probe of the detector uses a conductive filament as the measurement signal wire. The detection principle is that when the high-speed beam bombards the surface of the signal wire, the signal wire will generate a weak current. By detecting the current signal of the signal wire, the beam current can be determined. location and profile information. When the distance between the signal wires is large, the accuracy of the profile information will decrease, and even the beam current will pass through the gap between the signal wires, so that the purpose of fast measurement cannot be a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01T1/29
CPCG01T1/29
Inventor 王安鑫杨涛徐韬光康玲聂小军余洁冰朱东辉陈佳鑫于永积贺华艳张俊嵩刘磊宁常军王广源
Owner DONGGUAN NEUTRON SCI CENT