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A direct-drive multi-channel monochromator

A monochromator, multi-channel technology, applied in the field of monochromators, can solve the problems affecting the dynamic performance of the motion platform, the large inertia of the ball screw transmission, the nonlinear error of the return travel, etc., to achieve good drive control quality, reduce maintenance time and cost, improve the effect of system dynamic balance

Active Publication Date: 2019-09-20
INST OF HIGH ENERGY PHYSICS CHINESE ACAD OF SCI
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Now the rotating mechanism of the monochromator adopts the components of the ball screw system (servo motor, transmission gear, screw, ball, etc.), the transmission chain of these systems is long, and at the same time, the ball screw is a thin and long rigid For transmission components, when the movement speed is required to be high, due to the large transmission inertia of the ball screw and low torque stiffness, this method will cause a series of problems such as large transmission errors, serious friction and wear, and backlash non-linear errors. Affects the dynamic performance of the motion platform

Method used

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  • A direct-drive multi-channel monochromator
  • A direct-drive multi-channel monochromator

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Embodiment Construction

[0027] The present invention will be further described in detail below in conjunction with specific experiments, simulations and accompanying drawings.

[0028] Direct drive is to directly connect the direct drive motor (linear motor or torque motor) to the load under the control of the drive system to realize the direct drive of the load. With this structure, all mechanical transmission components (ball screw pair, rack and gear, transmission belt or pulley, and gearbox, etc.) are eliminated, eliminating the reverse return error, vibration, low efficiency, etc. caused by mechanical transmission. other issues related to it.

[0029] The invention applies the direct drive method to the continuous rotating integrated multi-connected splitting crystal monochromator.

[0030] like figure 1 As shown, the direct drive motor 3 is connected to the rotating shaft of the atmosphere end of the magnetic fluid sealing device 2 through the flexible coupling of the transfer mechanism, so a...

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Abstract

The invention discloses a direct-driven multichannel monochromator comprising a direct-driven motor, a magnetic fluid sealing device and a crystal monochromator. The motor rotation shaft of the direct-driven motor is connected with the atmosphere end rotation shaft of the magnetic fluid sealing device. The vacuum end rotation shaft of the magnetic fluid sealing device is connected with the crystalmonochromator to drive the crystal monochromator to rotate around the rotation shaft, wherein the rotation shaft of the crystal monochromator is consistent with the rotation shaft of the magnetic fluid sealing device. The reliability of the machine can be enhanced, the maintenance time and cost can be reduced, the mechanical design can be simplified and installation and detachment are easy. The direct-driven multichannel monochromator has the characteristics of large starting and stalling torque so that the dynamic balance of the system can be improved and the vibration and the noise can be avoided.

Description

technical field [0001] The invention relates to a monochromator, in particular to a direct-drive multi-channel monochromator. Background technique [0002] Due to its wide spectral range, high brightness, high collimation, polarization, high purity, pulse time structure, high stability, and predictable performance, synchrotron radiation is widely used in scientific research and high-tech research and development in multiple disciplines. As the link between the light source and the experimental station, the beamline needs to use different characteristics of light according to different experimental station functions. The core of the beamline is a monochromator to achieve light splitting in different energy bands. [0003] Now the rotating mechanism of the monochromator adopts the components of the ball screw system (servo motor, transmission gear, screw, ball, etc.), the transmission chain of these systems is long, and at the same time, the ball screw is a thin and long rigid...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01J3/18
Inventor 洪振刁千顺张小威石泓郑黎荣
Owner INST OF HIGH ENERGY PHYSICS CHINESE ACAD OF SCI
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