CN215574451U

CN215574451U - Nuclear radiation detector

Info

Publication number: CN215574451U
Application number: CN202120667636.7U
Authority: CN
Inventors: 邱文白
Original assignee: Wuhan Zhongniu Control Technology Co ltd
Current assignee: Wuhan Zhongniu Control Technology Co ltd
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2022-01-18
Anticipated expiration: 2031-03-31

Abstract

The utility model discloses a nuclear radiation detector, which comprises a sleeve, a socket and a supporting tube, wherein the sleeve is provided with a first end and a second end; the optical coupling element is connected between the crystal and the photomultiplier, the socket is mounted on the sleeve and electrically connected with the photomultiplier, the supporting tube is connected to the socket and internally accommodates a circuit board, and the circuit board is electrically connected with the socket. The crystal, the optical coupling element and the photomultiplier are accommodated in the sleeve, and the circuit board is accommodated in the supporting tube, so that the occupied space of each part is reduced; the sleeve, the socket and the supporting tube are coaxially arranged, so that the overall volume of the nuclear radiation detector is reduced, and the weight is favorably reduced; and the assembly and disassembly are simple, so that the maintenance, overhaul and replacement of parts are convenient, and the after-sale service cost is reduced.

Description

Nuclear radiation detector

Technical Field

The utility model relates to the technical field of detectors, in particular to a nuclear radiation detector.

Background

The nuclear radiation detector is arranged outside the measured object and used for measuring the density of the measured object by receiving the radiated energy. The nuclear radiation detector with the original structure has the main defects that the product structure is heavy, the inner and outer assembly and disassembly links are multiple, the maintenance, the overhaul and the component replacement are inconvenient, and the difficulty and the cost are increased for the later service due to the limitation of the field condition in the whole process.

In view of the above, there is a real need to provide a new type of nuclear radiation detector to overcome the above-mentioned drawbacks.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a nuclear radiation detector, which reduces the occupied space and the whole volume of each part and is beneficial to reducing the weight; and the assembly and disassembly are simple, so that the maintenance, overhaul and replacement of parts are convenient, and the after-sale service cost is reduced.

In order to achieve the above object, the present invention provides a nuclear radiation detector, which includes a casing, a socket and a support tube; the optical coupling element is connected between the crystal and the photomultiplier, the socket is mounted on the sleeve and electrically connected with the photomultiplier, the supporting tube is connected to the socket and internally accommodates a circuit board, and the circuit board is electrically connected with the socket.

Preferably, the socket is connected between the sleeve and the support tube, a pin is arranged on one side of the socket close to the support tube, and the circuit board is electrically connected with the pin of the socket.

Preferably, the sleeve is in a hollow cylindrical shape, the socket is in a cylindrical shape, the support tube is in a hollow cylindrical shape, and the sleeve, the socket and the support tube are coaxially arranged.

Preferably, the nuclear radiation detector further comprises a cylindrical protective shell, the sleeve, the socket and the support tube are all contained in the protective shell, and the sleeve, the socket and the support tube all coincide with a central axis of the protective shell.

Preferably, the nuclear radiation detector further comprises a sealing cover, and the sealing cover is arranged at one end, far away from the socket, of the supporting tube in a covering mode.

Preferably, the sealing cover is covered on one end of the supporting tube far away from the socket and buckled on one end of the protective shell.

Preferably, the nuclear radiation detector further comprises a cable, and the cable penetrates through the sealing cover and extends into the supporting tube to be electrically connected with the circuit board.

Preferably, the nuclear radiation detector further comprises a waterproof connector, and the cable is electrically connected with the circuit board through the waterproof connector.

Compared with the prior art, the nuclear radiation detector provided by the utility model has the following beneficial effects: 1) the crystal, the optical coupling element and the photomultiplier are accommodated in the sleeve, and the circuit board is accommodated in the supporting tube, so that the occupied space of each part is reduced;

2) the sleeve, the socket and the supporting tube are coaxially arranged, so that the overall volume of the nuclear radiation detector is reduced, and the weight is favorably reduced;

3) and the assembly and disassembly are simple, so that the maintenance, overhaul and replacement of parts are convenient, and the after-sale service cost is reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a cross-sectional view of a nuclear radiation detector provided by the present invention.

Detailed Description

In order to make the objects, technical solutions and advantageous effects of the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and the detailed description. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must be in a particular orientation, constructed and operated in a particular orientation, and are therefore not to be considered limiting.

It is also noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," "disposed," and the like are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. To those of ordinary skill in the art, the above terms may be specifically defined in the present invention according to the specific circumstances.

Furthermore, the terms "first", "second", and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first", "second", may explicitly or implicitly include one or more of that feature. Further, the meaning of "a plurality" or "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1, the present invention provides a nuclear radiation detector, which includes a sleeve 1, a socket 2 and a support tube 3; the sleeve 1 accommodates a crystal 11, an optical coupling element 12, and a photomultiplier tube 13, the optical coupling element 12 is connected between the crystal 11 and the photomultiplier tube 13,

the socket 2 is mounted on the sleeve 1 and electrically connected with the photomultiplier tube 13,

the support tube 3 is connected to the socket 2 and contains a circuit board 31 therein, and the circuit board 31 is electrically connected to the socket 2. In the present embodiment, the crystal 11 is a sodium iodide crystal.

Further, the socket 2 is connected between the sleeve 1 and the support tube 3, a pin 21 is disposed on one side of the socket 2 close to the support tube 3, and the circuit board 31 is electrically connected to the pin 21 of the socket 2.

Further, the sleeve 1 is in a hollow cylindrical shape, the socket 2 is in a cylindrical shape, the support tube 3 is in a hollow cylindrical shape, and the sleeve 1, the socket 2 and the support tube 3 are coaxially arranged.

Further, the nuclear radiation detector further comprises a cylindrical protective shell 4, the sleeve 1, the socket 2 and the support tube 3 are contained in the protective shell 4, and the sleeve 1, the socket 2 and the support tube 3 are all coincided with a central shaft of the protective shell 4. In the present embodiment, the protective case 4 is made of a metal material.

Further, the nuclear radiation detector further comprises a sealing cover 5, and the sealing cover 5 is arranged at one end, far away from the socket 2, of the supporting tube 3 in a covering mode.

Furthermore, the sealing cover 5 covers one end of the supporting tube 3 far away from the socket 2 and is buckled at one end of the protective shell 4.

Further, the nuclear radiation detector further comprises a cable 6, wherein the cable 6 penetrates through the sealing cover 5, extends into the supporting tube 3, is electrically connected with the circuit board 31, and is electrically connected with the display instrument through the cable 6.

Further, the nuclear radiation detector further comprises a waterproof connector 7, and the cable 6 is electrically connected with the circuit board 31 through the waterproof connector 7.

When the nuclear radiation detector is used, the nuclear radiation detector is arranged at a designated position, and when the nuclear radiation detector receives rays (such as gamma rays) penetrating through a measured object (such as nuclear radiation equipment), the photomultiplier tube 13 converts optical signals of the received rays into electric signals and sends the electric signals to the display instrument through the circuit board 31, and the display instrument displays the density value of the measured object. In this way, the crystal 11, the optical coupling element 12 and the photomultiplier 13 are accommodated in the sleeve 1, and the circuit board 31 is accommodated in the support tube 3, so that the occupied space of each part is reduced, and the sleeve 1, the socket 2 and the support tube 3 are coaxially arranged, so that the overall volume of the nuclear radiation detector is reduced, and the weight is reduced; and the assembly and disassembly are simple, so that the maintenance, overhaul and replacement of parts are convenient, and the after-sale service cost is reduced.

The utility model is not limited solely to that described in the specification and embodiments, and additional advantages and modifications will readily occur to those skilled in the art, so that the utility model is not limited to the specific details, representative apparatus, and examples shown and described herein, without departing from the spirit and scope of the general concept as defined by the appended claims and their equivalents.

Claims

1. A nuclear radiation detector comprises a sleeve (1), a socket (2) and a support tube (3); the photoelectric detector is characterized in that a crystal (11), an optical coupling element (12) and a photomultiplier (13) are accommodated in the sleeve (1), the optical coupling element (12) is connected between the crystal (11) and the photomultiplier (13), the socket (2) is mounted on the sleeve (1) and electrically connected with the photomultiplier (13), the support tube (3) is connected to the socket (2) and internally accommodates a circuit board (31), and the circuit board (31) is electrically connected with the socket (2).

2. The nuclear radiation detector as claimed in claim 1, characterized in that the socket (2) is connected between the sleeve (1) and the support tube (3), and that the socket (2) is provided with pins (21) on the side thereof which is adjacent to the support tube (3), the circuit board (31) being electrically connected to the pins (21) of the socket (2).

3. The nuclear radiation detector as claimed in claim 1, characterized in that the sleeve (1) has a hollow-cylindrical shape, the socket (2) has a cylindrical shape, the support tube (3) has a hollow-cylindrical shape, and the sleeve (1), the socket (2) and the support tube (3) are arranged coaxially.

4. The nuclear radiation detector as claimed in claim 3, further comprising a protective shell (4) having a cylindrical shape, wherein the sleeve (1), the socket (2) and the support tube (3) are all accommodated in the protective shell (4), and the sleeve (1), the socket (2) and the support tube (3) are all coincident with a central axis of the protective shell (4).

5. The nuclear radiation detector as claimed in claim 4, characterized in that the nuclear radiation detector further comprises a sealing cover (5), the sealing cover (5) covering the end of the support tube (3) remote from the socket (2).

6. The nuclear radiation detector of claim 5, further comprising a cable (6), wherein the cable (6) extends through the sealing cover (5) into the support tube (3) and is electrically connected to the circuit board (31).

7. The nuclear radiation detector of claim 6, further comprising a waterproof connector (7), wherein the cable (6) is electrically connected to the circuit board (31) through the waterproof connector (7).

8. The nuclear radiation detector as claimed in claim 5, characterized in that the sealing cap (5) covers the end of the support tube (3) remote from the socket (2) and is fastened to the end of the protective shell (4).