Waterproof packaging structure and packaging method of large-dimensional photomultiplier

A technology of photomultiplier tube and packaging structure, which is applied in the direction of electron multiplier tube, discharge tube, circuit, etc., can solve the problems of unable to upgrade PMT, rely on manual process, increase cost, etc., achieve simple and reliable packaging structure, low requirements for operators, Realize the effect of replacement and upgrade
CN106783501AInactive Publication Date: 2017-05-31INST OF HIGH ENERGY PHYSICS CHINESE ACADEMY OF SCI
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
INST OF HIGH ENERGY PHYSICS CHINESE ACADEMY OF SCI
Publication Date
2017-05-31
Estimated Expiration
Not applicable Β· inactive patent

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Abstract

The invention discloses a waterproof packaging structure and a packaging method of a large-dimensional photomultiplier. The waterproof packaging structure comprises a tray matched with the bottom shape of a glass shell of the photomultiplier, a sleeve, a cable waterproof connector and a bottom cover, wherein a hole is formed in the tray; the bore diameter of the hole is consistent to the inner diameter of the sleeve; the tray is connected with one end of the sleeve in a sealing manner through the hole; the other end of the sleeve is fixedly connected with the bottom cover; the tray and the bottom of the glass shell of the photomultiplier are connected in a sealing manner; and one end of the cable waterproof connector is connected with the cable inlet of the sleeve in a sealing manner while the other end is connected with a cable. According to the waterproof packaging structure and the packaging method, the packaging steps are less and the demand on an operator is relatively low; and more importantly, the waterproof packaging structure can be detached, so that problem checking and changing and upgrading of a PMT voltage divider can be realized.
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Description

[0001] Technical field:

[0002] The invention relates to a waterproof packaging method for a photomultiplier tube, in particular to a waterproof packaging structure and a packaging method for a large-scale photomultiplier tube.

[0003] Background technique:

[0004] The traditional photomultiplier tube waterproof packaging method generally adopts the "bubble seal" method, that is, the use of thermoplastic tubes and waterproof putty to wrap and waterproof the outer glass shell of the photomultiplier tube pole, and the photomultiplier tube voltage divider part is fixed by a plastic shell. Use insulating glue such as polyurethane or silica gel for potting, and the cable part is wrapped and waterproofed with thermoplastic tubes and waterproof putty.

[0005] There are three aspects of prior art disadvantages:

[0006] 1. The process is complex

[0007] The "blister sealing" method has many process steps and is very dependent on manual processes.

[0008] 2. Higher cost [000...

Claims

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