A system to acquire and control data for radiation imaging

A data acquisition and radiation imaging technology, applied in the field of radiation detection, can solve the problems of inconvenient data acquisition and transmission, complex system structure, poor signal anti-interference ability, etc., to improve anti-interference ability, simplify circuits, and reduce electromagnetic interference. Effect

Active Publication Date: 2007-05-16
TSINGHUA UNIV +1
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Problems solved by technology

The output of the detector module in the prior art is an analog signal, and the corresponding control system also uses an analog signal

Method used

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  • A system to acquire and control data for radiation imaging
  • A system to acquire and control data for radiation imaging
  • A system to acquire and control data for radiation imaging

Examples

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[0036] The following examples are used to illustrate the present invention, but not to limit the scope of the present invention.

[0037] 1 and 10, the circuit that implements the present invention includes: a differential circuit 4 for receiving detector signals and RS485 data and control signals received or sent, and a buffer circuit 3 for shaping and driving the received or sent data and control signals. , The data and control signal timing generation circuit 2 that receives the command of the network single-chip microcomputer 1 and controls the other circuits, accelerates its beam intensity information processing circuit 5, the accelerator synchronization pulse isolation driving circuit 7, receives the data information and sends it through the Ethernet To the next-level image inspection subsystem 10 and the network single-chip microcomputer 1 that receives the image inspection subsystem commands and sends them to the data and control signal timing generating circuit, a stabili...

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Abstract

The related data acquisition and control system for radiation imaging comprises: an image checkup subsystem, an accelerator, a module circuit for digital detector, the Ethernet, and a module circuit for data acquisition and control. Wherein, the last module circuit includes a differential circuit, a buffer circuit, a generation circuit for data storage and control time sequence, a data storage circuit, a network SCM, an accelerator CP isolation drive circuit, a process circuit for accelerator beam strength information, and a constant voltage power circuit.

Description

technical field [0001] The invention relates to the technical field of radiation detection, in particular to a system for controlling a detector in radiation imaging by using a data acquisition and control module circuit. Background technique [0002] Radiation imaging system includes ray source, detector, data acquisition and control, image inspection, mechanical electronic control, safety chain and other parts. In the prior art, the output of the detector module is an analog signal, and the corresponding control system also uses an analog signal. The signal anti-interference ability is poor, the system structure is complex, and data acquisition and transmission are inconvenient. With technological progress and the emergence of new digital chips, the digitalization of detector modules can be completed at low cost. The use of digital detector modules requires corresponding data acquisition and control modules to control them. Therefore, a new data acquisition and control mo...

Claims

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Application Information

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IPC IPC(8): H05G1/60H05G1/30H05G1/08G01N23/04
Inventor 李元景张清军李建华江年铭王少锋朱维彬
Owner TSINGHUA UNIV
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