CN210668257U

CN210668257U - X-ray tube

Info

Publication number: CN210668257U
Application number: CN201922220819.XU
Authority: CN
Inventors: 李舒; 李智文
Original assignee: Shanghai Keyway Electron Co ltd
Current assignee: Shanghai Keyway Electron Co ltd
Priority date: 2019-12-09
Filing date: 2019-12-09
Publication date: 2020-06-02
Anticipated expiration: 2029-12-09

Abstract

The utility model relates to an X-ray tube, including tube core and the aluminum alloy shell via blackening, aluminum alloy shell is inside to have airtight inner chamber, and the tube core encapsulates in aluminum alloy shell's airtight inner chamber, has the clearance between the outer wall of tube core and aluminum alloy shell's the inner wall, and it has transformer oil to pour into in this clearance. The utility model has the advantages that: the excellent heat conduction performance and the surface blackening treatment of the aluminum perfectly combine the heat radiation performance, thereby greatly improving the heat radiation performance of the product, reducing the temperature and improving the stability of the X-ray output intensity of the product.

Description

X-ray tube

Technical Field

The utility model relates to an x-ray technology field especially relates to an x-ray tube.

Background

The X-ray tube is applied to equipment such as a high-precision X-ray fluorescence analyzer, an X-ray thickness gauge, an X-ray film thickness gauge and an X-ray nondestructive detector, but the traditional X-ray tube has unstable X-ray output strength due to poor heat dissipation performance, so that the performance of the equipment is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that an x-ray tube 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: an x-ray tube comprises a tube core and an aluminum alloy shell subjected to blackening treatment, wherein a closed inner cavity is formed in the aluminum alloy shell, the tube core is packaged in the closed inner cavity of the aluminum alloy shell, a gap is formed between the outer wall of the tube core and the inner wall of the aluminum alloy shell, and transformer oil is injected into the gap.

The utility model has the advantages that: the excellent heat conductivity and the surface blackening of aluminium make the heat radiation performance perfectly combined, thereby greatly improving the heat dispersion performance of the product, reducing the temperature, improving the stability of the x-ray output intensity of the product and meeting the requirements of high-end users.

In the scheme, the device further comprises a cathode and an anode, wherein the cathode and the anode are oppositely arranged in the tube core, the end face, opposite to the cathode, of the anode is provided with a slope surface used for generating x-rays through electron bombardment, an x-ray output window is arranged in the middle of the tube core at the position opposite to the slope surface, and the x-ray output window penetrates out of the aluminum alloy shell through the wall surface of the aluminum alloy shell.

In the scheme, the high-voltage lamp further comprises a high-voltage socket and a filament socket, wherein the high-voltage socket and the filament socket are both arranged on the aluminum alloy shell, and the high-voltage socket and the filament socket are respectively electrically connected with filaments in the anode and the cathode through leads.

In the scheme, the radiating fins are arranged on the outer wall surface of the aluminum alloy shell, so that the radiating area can be effectively increased, and the radiating performance of the x-ray tube is improved, thereby ensuring that the output intensity of x-rays can be stabilized.

In the scheme, the number of the heat dissipation fins arranged on the outer wall surface of the aluminum alloy shell is two, and the two heat dissipation fins are arranged in an angle of 180 degrees.

In the scheme, the aluminum alloy shell is provided with the flange around the x-ray output window.

In the above solution, the die is made of glass.

Drawings

Fig. 1 is a front view of an x-ray tube according to embodiment 1;

fig. 2 is a side view of the x-ray tube described in embodiment 1.

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

1. tube core, 2, cathode, 3, anode, 4, high voltage socket, 5, filament socket, 6, aluminum alloy shell, 610, heat dissipation fin, 620, flange, 7, x-ray output window.

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.

Example 1, as shown in fig. 1 and 2, an x-ray tube includes a tube core 1 and an aluminum alloy case 6 subjected to blackening treatment, the aluminum alloy case 6 has a closed inner cavity inside, the tube core 1 is enclosed in the closed inner cavity of the aluminum alloy case 6, a gap is provided between an outer wall of the tube core 1 and an inner wall of the aluminum alloy case 6, transformer oil is injected into the gap, the transformer oil is used for insulation and heat conduction, the aluminum alloy case 6 is preferably an oxidized and blackened aluminum alloy case, and the entire aluminum alloy case 6 is subjected to oxidation and blackening treatment.

Embodiment 2, as shown in fig. 1 and fig. 2, this embodiment is further optimized based on embodiment 1, and specifically includes the following steps:

the X-ray tube also comprises a cathode 2 and an anode 3, wherein the cathode 2 and the anode 3 are oppositely arranged in the tube core 1, the end surface of the anode 3 opposite to the cathode 2 is provided with a slope surface for generating X-rays by electron bombardment, the middle part of the tube core 1 is provided with an X-ray output window 7 opposite to the slope surface, the X-ray output window 7 is a beryllium window, and the X-ray output window 7 penetrates out of the aluminum alloy shell 6 through the wall surface of the aluminum alloy shell 6.

Embodiment 3, as shown in fig. 1 and fig. 2, this embodiment is further optimized based on embodiment 2, and specifically includes the following steps:

the X-ray tube also comprises a high-voltage socket 4 and a filament socket 5, wherein the high-voltage socket 4 and the filament socket 5 are both arranged on an aluminum alloy shell 6, the high-voltage socket 4 and the filament socket 5 are respectively electrically connected with the filament in the anode 3 and the cathode 2 through leads, the high voltage generated by the high-voltage power supply can be added to the anode 3 through the high-voltage socket 4, the high voltage generated by the high-voltage power supply can be added to the filament in the cathode 2 through the filament socket 5, and the X-ray generated by the X-ray tube is output from an X-ray output window 7.

Embodiment 4, as shown in fig. 1 and 2, this embodiment is further optimized based on any one of embodiments 1 to 3, and specifically includes the following steps:

the outer wall surface of the aluminum alloy shell 6 is provided with two heat dissipation fins 610, and the two heat dissipation fins 610 are arranged at an angle of 180 degrees.

Embodiment 5, as shown in fig. 1 and fig. 2, this embodiment is further optimized based on any one of embodiments 1 to 4, and specifically includes the following steps:

a flange 620 is arranged on the aluminum alloy shell 6 around the x-ray output window 7.

Embodiment 6, as shown in fig. 1 and 2, this embodiment is further optimized based on any one of embodiments 1 to 5, and specifically includes the following steps:

the die 1 is made of glass.

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. The x-ray tube is characterized by comprising a tube core (1) and an aluminum alloy shell (6) subjected to blackening treatment, wherein a closed inner cavity is formed inside the aluminum alloy shell (6), the tube core (1) is packaged in the closed inner cavity of the aluminum alloy shell (6), a gap is formed between the outer wall of the tube core (1) and the inner wall of the aluminum alloy shell (6), and transformer oil is injected into the gap.

2. The x-ray tube according to claim 1, further comprising a cathode (2) and an anode (3), wherein the cathode (2) and the anode (3) are oppositely arranged in the tube core (1), the end surface of the anode (3) opposite to the cathode (2) is provided with a slope surface for generating x-rays by electron bombardment, an x-ray output window (7) is arranged in the middle of the tube core (1) opposite to the slope surface, and the x-ray output window (7) penetrates out of the aluminum alloy shell (6) through the wall surface of the aluminum alloy shell (6).

3. An x-ray tube according to claim 2, further comprising a high voltage socket (4) and a filament socket (5), wherein the high voltage socket (4) and the filament socket (5) are both arranged on the aluminum alloy outer shell (6), and the high voltage socket (4) and the filament socket (5) are electrically connected with the filament in the anode (3) and the cathode (2) respectively through wires.

4. An x-ray tube according to any one of claims 1 to 3, wherein the outer wall surface of the aluminum alloy housing (6) is provided with heat dissipation fins (610).

5. The x-ray tube according to claim 4, wherein the number of the heat dissipation fins (610) arranged on the outer wall surface of the aluminum alloy shell (6) is two, and the two heat dissipation fins (610) are arranged at 180 degrees.

6. An x-ray tube according to claim 1, characterized in that the aluminium alloy housing (6) is provided with a flange (620) around the x-ray output window (7).

7. An x-ray tube according to claim 1, characterized in that the tube core (1) is made of glass.