CN211265407U

CN211265407U - X-ray tube capable of preventing x-ray leakage

Info

Publication number: CN211265407U
Application number: CN201922246685.9U
Authority: CN
Inventors: 李舒; 李智文
Original assignee: Shanghai Keyway Electron Co ltd
Current assignee: Shanghai Keyway Electron Co ltd
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2020-08-14
Anticipated expiration: 2029-12-13

Abstract

The utility model relates to a prevent x ray leakage's x-ray tube, including shell, tube core, negative pole, positive pole and high-voltage socket, the tube core encapsulates in the shell, and negative pole and positive pole set up in the tube core with relative form, are equipped with x ray output window on the tube core, and outside the shell was worn out to x ray output window, high-voltage socket set up on the shell, and high-voltage socket passes through the wire and is connected with the positive pole electricity, and the cover is equipped with the lag on the part that high-voltage socket is located the shell. The utility model has the advantages that: the protective sleeve is additionally arranged on the high-voltage socket, so that the leaked x-rays can be cut off and absorbed through multiple refractions, the detection and protection effects are good, and compared with the existing treatment measures, the method is simple and easy to implement and low in cost.

Description

X-ray tube capable of preventing x-ray leakage

Technical Field

The utility model relates to an x-ray technology field especially relates to a prevent x-ray tube of x-ray leakage.

Background

The x-ray technology is widely applied to various fields of national economy, different requirements are imposed on an x-ray tube due to different purposes, an x-ray is emitted from a window in the use process of the x-ray tube, and the x-ray cannot be leaked from other positions, because the leakage of the x-ray not only damages the environment but also damages the health of an operator, but also the leakage of the x-ray from a high-voltage socket in the conventional x-ray tube is serious, the protection is finished by an instrument matched with the leakage of the x-ray, the weight and the complexity of the instrument are increased, and the protection effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that an X-ray tube for preventing X-ray leakage is provided to overcome not enough among the above-mentioned prior art.

The utility model provides an above-mentioned technical problem's technical scheme as follows: the utility model provides a prevent x-ray tube of x-ray leakage, includes shell, tube core, negative pole, positive pole and high-voltage socket, and the tube core encapsulates in the shell, and negative pole and positive pole set up in the tube core with relative form, are equipped with x-ray output window on the tube core, and x-ray output window wears out outside the shell, and high-voltage socket sets up on the shell, and high-voltage socket passes through the wire and is connected with the positive pole electricity, and the cover is equipped with the lag on the part that high-voltage socket is located the shell.

In the scheme, the protective sleeve is 2 mm.

In the above scheme, the material of the protective sleeve is lead sheath.

In the scheme, the whole inner side wall of the shell is embedded with the lead plate.

In the above scheme, the thickness of the lead plate is 2 mm.

In the above scheme, a gap is formed between the outer wall of the tube core and the inner wall of the shell, and the transformer oil is injected into the gap.

The utility model has the advantages that: the protective sleeve is additionally arranged on the high-voltage socket, so that the leaked x-rays can be cut off and absorbed through multiple refractions, the detection and protection effects are good, and compared with the existing treatment measures, the method is simple and easy to implement and low in cost;

in addition, the lead plate is embedded on the inner wall of the shell, so that the leakage of the x-ray can be further prevented, and the integral leakage-proof performance of the x-ray tube is improved.

Drawings

Fig. 1 is a cross-sectional view of an x-ray tube for preventing x-ray leakage according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. the X-ray lamp comprises a shell, 2, a tube core, 210, an X-ray output window, 3, a cathode, 4, an anode, 5, a lead plate, 6, a high-voltage socket, 7, a filament socket, 8 and a protective sleeve.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

Embodiment 1, as shown in fig. 1, an x-ray tube for preventing x-ray leakage includes a housing 1, a tube core 2, a cathode 3, an anode 4, and a high voltage socket 6, wherein the tube core 2 is enclosed in the housing 1, the cathode 3 and the anode 4 are disposed in the tube core 2 in an opposite manner, the tube core 2 is provided with an x-ray output window 210, the x-ray output window 210 penetrates out of the housing 1, the high voltage socket 6 is disposed on the housing 1, the high voltage socket 6 is electrically connected to the anode 4 through a wire, and a protecting cover 8 is sleeved on a portion of the high voltage socket 6 located in the housing 1.

The electrons emitted from the filament are converged by the focusing action of the cathode 3 to form an electron current, and the converged electron current is applied to the anode target at a high speed under the action of a high voltage of the anode 4 to generate x-rays, which are output from the x-ray output window 210. The die 2 encloses the cathode 3, the anode 4 and the x-ray output window 210 together to obtain a high vacuum by evacuation so as to obtain a good withstand voltage, and a high voltage generated by a high voltage power supply is transmitted to the anode 4 of the x-ray tube through a high voltage cable and a high voltage socket 6.

Embodiment 2, as shown in fig. 1, this embodiment is a further optimization performed on the basis of embodiment 1, and is specifically as follows:

the thickness of lag 8 is 2mm, and the material of lag 8 is the lead sheathing.

Embodiment 3, as shown in fig. 1, this embodiment is further optimized based on

embodiment

1 or 2, and specifically includes the following steps:

the whole inner side wall of the shell 1 is embedded with a lead plate 5.

Embodiment 4, as shown in fig. 1, this embodiment is a further optimization performed on the basis of embodiment 3, and it is specifically as follows:

the thickness of the lead plate 5 is 2 mm.

Embodiment 5, as shown in fig. 1, this embodiment is further optimized based on any one of embodiments 1 to 4, and specifically includes the following steps:

a gap is formed between the outer wall of the tube core 2 and the inner wall of the shell 1, and transformer oil is injected into the gap and used for high-voltage insulation and heat dissipation.

Example 6, as shown in fig. 1, this example is a further optimization performed on the basis of example 6, and specifically includes the following steps:

the housing 1 is made of stainless steel, which can prevent leakage of x-rays to some extent.

Example 7, as shown in fig. 1, this example is a further optimization performed on the basis of example 6, and the specific details are as follows:

the X-ray tube for preventing X-ray leakage further comprises a filament socket 7, the filament socket 7 is arranged on the shell 1, the filament socket 7 is electrically connected with a filament in the cathode 3 through a lead, and the filament socket 7 is used for supplying filament voltage output by an external filament power supply to a filament of the cathode 3.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. An X-ray tube capable of preventing X-ray leakage comprises a shell (1), a tube core (2), a cathode (3), an anode (4) and a high-voltage socket (6), wherein the tube core (2) is packaged in the shell (1), the cathode (3) and the anode (4) are arranged in the tube core (2) in an opposite mode, an X-ray output window (210) is arranged on the tube core (2), the X-ray output window (210) penetrates out of the shell (1), the high-voltage socket (6) is arranged on the shell (1), the high-voltage socket (6) is electrically connected with the anode (4) through a lead, and the X-ray tube is characterized in that a protecting sleeve (8) is sleeved on the part, located in the shell (1), of the high-voltage socket (6).

2. An x-ray tube for protection against x-ray leakage according to claim 1, characterized in that the thickness of the protective sheath (8) is 2 mm.

3. An x-ray tube for protection against x-ray leakage according to claim 1 or 2, characterized in that the protective sheath (8) is made of lead sheet.

4. The x-ray tube of claim 2, wherein the lead plate (5) is embedded on the whole inner side wall of the housing (1).

5. An x-ray tube protected against x-ray leakage according to claim 4, characterized in that the thickness of the lead plate (5) is 2 mm.

6. The x-ray tube of claim 1, wherein a gap is provided between the outer wall of the tube core (2) and the inner wall of the housing (1), and transformer oil is injected into the gap.