Welding device for photomultiplier and voltage divider

A technology of photomultiplier tubes and welding devices, applied in auxiliary devices, welding equipment, auxiliary welding equipment, etc., can solve problems such as difficulty in keeping the height of the voltage divider consistent, difficulty in ensuring welding quality, and difficulty in consistent voltage divider, etc., to achieve The welding process is convenient and fast, avoiding skew and easy to control

Active Publication Date: 2014-02-12
SHANGHAI UNITED IMAGING HEALTHCARE
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Problems solved by technology

However, since the shape of the photomultiplier tube is usually cylindrical or close to cylindrical, the conventional welding method is inefficient and difficult to ensure the welding quality
For example, when the number of voltage dividers is large, it is difficult to ensure that the direction of each voltage divider relative to the photomultiplier tube is consistent. Difficult installation of the reed for fixing the photomultiplier tube

Method used

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  • Welding device for photomultiplier and voltage divider
  • Welding device for photomultiplier and voltage divider

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Embodiment Construction

[0026] The present invention will be further described below in conjunction with specific embodiments and accompanying drawings, but the protection scope of the present invention should not be limited thereby.

[0027] see figure 1 As shown, the welding device of the photomultiplier tube and the voltage divider of the present invention includes: a photomultiplier tube fixing mechanism for fixing the photomultiplier tube (not shown); a voltage divider for fixing the voltage divider (not shown) Fixing mechanism; and guiding mechanism, used to guide the relative movement between the photomultiplier tube fixing mechanism and the voltage divider fixing mechanism, so that the welding point of the photomultiplier tube fixed on the photomultiplier tube fixing mechanism is fixed on the voltage divider fixing mechanism The corresponding solder points of the voltage divider are opposite. The soldering point of the photomultiplier tube and the corresponding soldering point on the voltage...

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Abstract

The invention provides a welding device for a photomultiplier and a voltage divider. The welding device comprises a photomultiplier fixing mechanism for fixing the photomultiplier, a voltage divider fixing mechanism for fixing the voltage divider and a guiding mechanism for guiding the photomultiplier fixing mechanism and the voltage divider fixing mechanism to move relatively, so that a welding point of the photomultiplier fixed on the photomultiplier fixing mechanism is opposite to a corresponding welding point of the voltage divider fixed on the voltage divider fixing mechanism. By means of the welding device and method, a welding process can be convenient and fast, and good welding quality can be guaranteed.

Description

technical field [0001] The present invention mainly relates to the technical field of positron emission computed tomography (PET, Positron Emission Computed Tomography) or electronic computer X-ray tomography (CT, electronic computer X-ray tomography), in particular to a photomultiplier tube and a voltage divider The welding device of the device. Background technique [0002] In positron emission tomography or computerized X-ray tomography, the commonly used detector is a scintillator detector, which is mainly composed of a crystal and a photomultiplier tube (PMT, Photomultiplier Tube). When the photomultiplier tube works normally, the high voltage distribution among the electrodes needs to be realized by welding a voltage divider. Usually, the circuit board-shaped voltage divider is vertically welded to the tail of the photomultiplier tube. This setting can save hand operation space and facilitate the installation and wiring of the detector and maintenance and testing. ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K37/04B23K37/00
CPCB23K37/0435
Inventor 安少辉王超
Owner SHANGHAI UNITED IMAGING HEALTHCARE
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