CN211295029U

CN211295029U - Device for improving imaging resolution of X-ray tube

Info

Publication number: CN211295029U
Application number: CN201920203757.9U
Authority: CN
Inventors: 吴志武; 李少平; 朱斯迪
Original assignee: Popular Medical Science And Technology Shenzhen Co ltd
Current assignee: Popular Medical Science And Technology Shenzhen Co ltd
Priority date: 2019-02-15
Filing date: 2019-02-15
Publication date: 2020-08-18
Anticipated expiration: 2029-02-15

Abstract

The utility model discloses an improve device of X-ray tube formation of image resolution ratio, including protecting sheathing and X-ray tube, the protecting sheathing inboard cup joints installs the X-ray tube, the mount pad is installed at the X-ray tube top, the inside one end of X-ray tube is provided with cathode ray, and the X-ray tube other end installs the anode target, anode target both ends are fixed with the rotation axis respectively, the X-ray tube surface is run through respectively at the rotation axis both ends, rotation axis one end is provided with adjust knob, the cooling tube is the arc structure, the safe distance on cooling tube and X-ray tube surface is 1-2 mm. The utility model discloses in, be provided with the anode target through inside one end at the X-ray tube, and anode target both ends are fixed with the rotation axis, can adjust the angle of anode target through rotation axis one end adjust knob to change the angle of cathode ray reflection, improve the resolution ratio of X-ray tube formation of image, this mode is simple convenient, and the operation of being convenient for is fit for bulk production.

Description

Device for improving imaging resolution of X-ray tube

Technical Field

The utility model relates to a X-ray tube imaging technology field especially relates to improve device of X-ray tube formation of image resolution ratio.

Background

The X-ray tube is a vacuum diode operating at high voltage. Comprises two electrodes, one is a filament for emitting electrons and is used as a cathode, and the other is a target for receiving electron bombardment and is used as an anode. Both stages are sealed within a high vacuum glass or ceramic housing. Conventional reflection-type X-ray tubes are widely used in various fields such as biomedical and industrial nondestructive testing. The performance index of the X-ray tube plays an important role in the image quality of X-ray detection, and parameters such as target material, target angle, voltage, tube current and the like in the conventional reflection type X-ray tube play a decisive role in the performance of the X-ray tube.

In a reflective X-ray tube, the angular size of the target angle causes a change in the focal spot size, a change in the temperature of the anode target, a change in the number of excited X-ray particles, a change in the intensity distribution of the X-ray radiation field, and the like. Variations in these parameters can have some impact on the quality of the X-ray image. In particular, an apparatus for improving the imaging resolution of an X-ray tube is proposed according to the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art, and provides a device for improving the imaging resolution of an X-ray tube.

In order to achieve the above purpose, the utility model adopts the following technical scheme: improve X-ray tube imaging resolution's device, including protecting sheathing and X-ray tube, the protecting sheathing inboard cup joints installs the X-ray tube, the mount pad is installed at the X-ray tube top, the inside one end of X-ray tube is provided with cathode ray, and the X-ray tube other end installs the anode target, the anode target both ends are fixed with the rotation axis respectively, the X-ray tube surface is run through respectively at the rotation axis both ends, rotation axis one end is provided with adjust knob.

Preferably, a condenser is installed at the top end inside the protective shell, a cooling pipe is arranged at one end of the condenser, the cooling pipe is of an arc-shaped structure, and the safety distance between the cooling pipe and the surface of the X-ray tube is 1-2 mm.

Preferably, a connecting pin is fixed at the top of the inner side of the protective shell and fixedly connected with a fixing hole formed in the surface of the top of the X-ray tube, buckles are symmetrically formed in the surface of the fixing hole, and the vertical distance between the two buckles is equal to the distance between the connecting pin and the buckle.

Preferably, the sealing bearing is arranged on the contact surface of the rotating shaft and the X-ray tube.

Preferably, the anode target is of a circular structure, and the diameter of the anode target is smaller than the diameter of the inner side of the X-ray tube.

Preferably, the surface of the protective shell is provided with a transparent observation window, and the transparent observation window is made of toughened glass.

Preferably, a handle is installed in the middle of the top of the protective shell, and rubber convex particles are arranged on the inner side surface of the handle.

Compared with the prior art, the utility model has the advantages that;

1. the utility model discloses, through being provided with the positive pole target in the inside one end of X-ray tube, and positive pole target both ends are fixed with the rotation axis, and the angle of positive pole target can be adjusted to adjust knob through rotation axis one end to change the angle of cathode ray reflection, improve the resolution ratio of X-ray tube formation of image, this mode is simple convenient, and the operation of being convenient for is fit for bulk production.

2. The utility model discloses, there is protective housing at X-ray tube's surface mounting, protective housing helps protecting the X-ray tube not damaged by the external world, thereby increase X-ray tube's life, there is the condenser at protective housing's internally mounted simultaneously, and condenser one end installs the cooling tube, reduce the temperature on cooling tube surface through condenser work, thereby help the heat cooling of X-ray tube surface production, guarantee X-ray tube's normal use, and then improve the resolution ratio of X-ray tube formation of image, increase X-ray tube's life simultaneously.

Drawings

Fig. 1 is a schematic structural diagram of an apparatus for improving the imaging resolution of an X-ray tube according to the present invention;

fig. 2 is a schematic diagram of an X-ray tube of the apparatus for improving the imaging resolution of the X-ray tube according to the present invention;

fig. 3 is a top view of the device mounting base for improving the imaging resolution of the X-ray tube according to the present invention;

fig. 4 is a partial cross-sectional view of an apparatus for improving the imaging resolution of an X-ray tube according to the present invention;

fig. 5 is a schematic diagram of an anode target of the apparatus for improving the imaging resolution of the X-ray tube according to the present invention.

Illustration of the drawings:

1. a protective housing; 2. a condenser; 3. a handle; 4. a transparent viewing window; 5. a cooling tube; 6. an X-ray tube; 7. a rotating shaft; 8. a mounting seat; 9. a fixing hole; 10. a cathode ray; 11. an anode target material; 12. adjusting a knob; 13. sealing the bearing; 14. buckling; 15. and (7) connecting pins.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the apparatus for improving the imaging resolution of an X-ray tube includes a protective housing 1 and an X-ray tube 6, the X-ray tube 6 is sleeved and mounted on the inner side of the protective housing 1, a mounting base 8 is mounted on the top of the X-ray tube 6, a cathode ray 10 is disposed at one end inside the X-ray tube 6, an anode target 11 is mounted at the other end of the X-ray tube 6, rotating shafts 7 are respectively fixed at two ends of the anode target 11, two ends of each rotating shaft 7 respectively penetrate through the surface of the X-ray tube 6, and an adjusting.

The condenser 2 is installed at the top end inside the protective shell 1, a cooling pipe 5 is arranged at one end of the condenser 2, the cooling pipe 5 is of an arc structure, the safe distance between the cooling pipe 5 and the surface of an X-ray tube 6 is 1-2mm, a connecting pin 15 is fixed at the top of the inner side of the protective shell 1, the connecting pin 15 is fixedly connected with a fixing hole 9 formed in the top surface of the X-ray tube 6, buckles 14 are symmetrically formed in the surface of the fixing hole 9, the vertical distance between the two buckles 14 is equal to the distance between the connecting pin 15, a sealing bearing 13 is installed on the contact surface of the rotating shaft 7 and the X-ray tube 6, the anode target 11 is of a circular structure, the diameter of the anode target 11 is smaller than the diameter of the inner side of the X-ray tube 6, a transparent observation window 4 is formed in the surface of the protective shell 1, the transparent observation window 4 is, the inner side of the protective shell 1 is a hollow structure, and the diameter of the hollow structure is larger than the outer diameter of the X-ray tube 6.

The working principle is as follows: when in use, firstly, the X-ray tube 6 is arranged on the mounting seat 8, then the protective shell 1 is lifted by the handle 3 and is sleeved outside the X-ray tube 6, then the connecting pin 15 at the top end of the inner side of the protective shell 1 is in contact with the buckle 14 at the top of the X-ray tube 6, then the connecting pin 15 enters the fixing hole 9, then the X-ray tube 6 and the protective shell 1 can be fixed by rotating the protective shell 1 by the handle 3, meanwhile, the anode target 11 is arranged at one end inside the X-ray tube 6, the rotating shafts 7 are fixed at two ends of the anode target 11, the angle of the anode target 11 can be adjusted by adjusting the knob 12 at one end of the rotating shaft 7, so that the reflection angle of the cathode ray 10 is changed, the imaging resolution of the X-ray tube 6 is improved, in addition, the protective shell 1 is helpful for protecting the, simultaneously at the internally mounted of protective housing 1 has condenser 2, and condenser 2 one end installs cooling tube 5, reduces the temperature on cooling tube 5 surface through 2 work of condenser to help the heat cooling of 6 surperficial productions of X-ray tube, guarantee X-ray tube 6's normal use, and then improve the resolution ratio of 6 formation of image of X-ray tube, increase X-ray tube 6's life simultaneously.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. Improve X-ray tube imaging resolution's device, including protecting sheathing (1) and X-ray tube (6), its characterized in that, protecting sheathing (1) inboard cup joints and installs X-ray tube (6), mount pad (8) are installed at X-ray tube (6) top, the inside one end of X-ray tube (6) is provided with cathode ray (10), and X-ray tube (6) other end installs anode target (11), anode target (11) both ends are fixed with rotation axis (7) respectively, X-ray tube (6) surface is run through respectively at rotation axis (7) both ends, rotation axis (7) one end is provided with adjust knob (12).

2. The device for improving the imaging resolution of the X-ray tube according to the claim 1, characterized in that the condenser (2) is installed at the top end inside the protective shell (1), and the cooling tube (5) is arranged at one end of the condenser (2), the cooling tube (5) is of an arc structure, and the safe distance between the cooling tube (5) and the surface of the X-ray tube (6) is 1-2 mm.

3. The device for improving the imaging resolution of the X-ray tube according to claim 1, wherein a connecting pin (15) is fixed at the top of the inner side of the protective shell (1), the connecting pin (15) is fixedly connected with a fixing hole (9) formed in the top surface of the X-ray tube (6), the surface of the fixing hole (9) is symmetrically provided with buckles (14), and the vertical distance between the two buckles (14) is equal to the distance between the connecting pins (15).

4. The apparatus for improving the imaging resolution of an X-ray tube according to claim 1, wherein the sealing bearing (13) is installed on the contact surface of the rotating shaft (7) and the X-ray tube (6).

5. The apparatus according to claim 1, wherein the anode target (11) has a circular structure, and the diameter of the anode target (11) is smaller than the diameter of the inside of the X-ray tube (6).

6. The device for improving the imaging resolution of the X-ray tube according to claim 1, wherein the surface of the protective shell (1) is provided with a transparent observation window (4), and the transparent observation window (4) is made of toughened glass.

7. The device for improving the imaging resolution of the X-ray tube according to the claim 1, characterized in that the handle (3) is installed at the middle position of the top of the protective shell (1), and the inner side surface of the handle (3) is provided with rubber convex particles.