CN220984467U - X-ray generating device - Google Patents
X-ray generating device Download PDFInfo
- Publication number
- CN220984467U CN220984467U CN202322230205.6U CN202322230205U CN220984467U CN 220984467 U CN220984467 U CN 220984467U CN 202322230205 U CN202322230205 U CN 202322230205U CN 220984467 U CN220984467 U CN 220984467U
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- 238000001816 cooling Methods 0.000 claims abstract description 23
- 230000017525 heat dissipation Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- X-Ray Techniques (AREA)
Abstract
The utility model provides an X-ray generating device, and belongs to the technical field of X-rays. The X-ray generating device comprises a shell, wherein a cathode tube is arranged on one side of the shell, the cathode tube is provided with a tube orifice, a cathode and a cathode stem are sequentially arranged on the cathode tube from a position close to the tube orifice to a position far away from the tube orifice, an anode insulating plate is arranged at the bottom of the shell, an anode is arranged on the anode insulating plate, a cooling hole is formed in the anode, the cooling hole is formed in the anode and can be directly communicated to the outside of the anode insulating plate, an anode target surface is further arranged on the anode, and an emission port of the cathode is aligned to the anode target surface; a window is also mounted on the top of the housing. The utility model has the advantage of good heat dissipation effect.
Description
Technical Field
The utility model belongs to the technical field of X rays, and particularly relates to an X-ray generating device.
Background
The X-ray tube is a vacuum diode that operates at high voltages. Comprising two electrodes: one is a filament for emitting electrons, which is used as a cathode, the other is a target for receiving electron bombardment, which is used as an anode, and a tube shell.
The anode of the existing X-ray tube can be divided into a fixed structure and a rotating structure according to the power difference, and the anode can be rotated generally to bear high input power of the anode, but the existing structure is large in size, and a large amount of space is occupied on a high-voltage power supply, so that the compact type X-ray tube is not beneficial to development; but more than 99% of the electron beam power of the X-ray tube becomes anode heat consumption, a large amount of heat is easily generated by the anode, the existing device is not provided with a cooling channel and other structures, the anode heat is easily accumulated, the heat dissipation effect is poor, and the large accumulation of the anode heat can possibly lead to the shortening of the service life of the X-ray tube and the deterioration of the stability.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides an X-ray generating device which has the advantage of good heat dissipation effect.
The aim of the utility model can be achieved by the following technical scheme: the X-ray generating device comprises a shell, wherein a cathode tube is arranged on one side of the shell, the cathode tube is provided with a tube orifice, a cathode and a cathode stem are sequentially arranged on the cathode tube from a position close to the tube orifice to a position far away from the tube orifice, an anode insulating plate is arranged at the bottom of the shell, an anode is arranged on the anode insulating plate, a cooling hole is formed in the anode, the cooling hole is formed in the anode and can be directly communicated to the outside of the anode insulating plate, an anode target surface is further arranged on the anode, and an emission port of the cathode is aligned to the anode target surface; a window is also mounted on the top of the housing.
Preferably, the bottom of the shell is provided with a high-voltage power supply, the shell is provided with an annular step part, and the annular step part is in limit connection with the high-voltage power supply.
Preferably, the side wall of the housing is further provided with an exhaust pipe for exhausting the gas.
Preferably, an anode protection cover is sleeved on the anode and used for protecting the anode.
Compared with the prior art, the utility model has the advantages that: through add a cooling hole on the positive pole, the external world that the cooling hole can be linked together can pack transformer oil to the cooling hole of positive pole, and cool Kong Kongchang is darker, can increase transformer oil in the cooling hole with the area of contact of positive pole, improves radiating efficiency.
Drawings
Fig. 1 is a side cross-sectional view of the present utility model.
Fig. 2 is a side cross-sectional view of the housing and high voltage power supply of the present utility model.
In the figure, 2, a shell; 21. a cathode tube; 211. a pipe orifice; 22. an anode insulating plate; 23. an annular step portion; 24. an exhaust pipe; 3. a high voltage power supply; 4. a cathode; 41. a cathode stem; 5. an anode; 51. a cooling hole; 52. an anode protection cover; 53. a window; 54. an anode target surface.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 2, an X-ray generating apparatus comprises a housing 2, wherein a cathode tube 21 is arranged at one side of the housing 2, the cathode tube 21 is provided with a tube orifice 211, the cathode tube 21 is sequentially provided with a cathode 4 and a cathode stem 41 from the position close to the tube orifice 211 to the position far away from the tube orifice 211, an anode insulating plate 22 is arranged at the bottom of the housing 2, an anode 5 is arranged on the anode insulating plate 22, a cooling hole 51 is arranged in the anode 5, the cooling hole 51 is positioned in the anode 5 and can be communicated to the outside of the anode insulating plate 22, an anode target surface 54 is also arranged on the anode 5, and an emission port of the cathode 4 is aligned with the anode target surface 54; the top of the housing 2 is also fitted with a window 53.
In the present utility model, the cathode 4, the anode 5 and the cathode stem 41 are conventional.
With the adoption of the structure, when the device works, the tail part of the anode 5 is connected with high voltage, the device is connected with the shell 2 through the anode insulating plate 22, the cathode 4 is connected with the cathode 4 through the electrode on the cathode stem 41 to emit electrons aiming at the anode target surface 54 of the anode 5, the electrons impact the anode target surface 54 at a high speed, then rays generated by the electrons impacting the anode target surface 54 are emitted out through the window 53, transformer oil is filled in the cooling hole 51 formed in the anode 5 in advance, the transformer oil can play a good cooling and heat dissipation role, the hole depth of the cooling hole 51 is long, the contact area between the transformer oil and the anode 5 in the cooling hole 51 is increased, the cooling effect on the anode 5 is enhanced, and the heat dissipation efficiency is improved.
The arrangement of the structure is beneficial to the outside which can be communicated through additionally arranging the cooling hole 51 on the anode 5, the cooling hole 51 of the anode 5 can be filled with transformer oil, the cooling hole 51 is long in hole depth, the contact area between the transformer oil in the cooling hole 51 and the anode 5 is favorably increased, the heat dissipation efficiency is improved, the service life of the device is favorably prolonged, and the X-ray generation stability is improved.
Specifically, as shown in fig. 1 to 2, the bottom of the casing 2 is provided with a high-voltage power supply 3, the casing 2 is provided with an annular step part 23, the annular step part 23 is in limiting connection with the high-voltage power supply 3, the casing 2 is connected with the high-voltage power supply 3 through the annular step part 23, the casing 2 is favorable for fixing the casing 2, errors caused by ray deviation are prevented, the high-voltage power supply anode 5 high voltage and cathode 4 high voltage are arranged below the casing 2 and used for outputting electrons and providing a high-voltage electric field environment, the X-ray tube is combined into a whole, various applications are facilitated, and the practicability is higher.
As shown in fig. 1 to 2, the side wall of the casing 2 is further provided with an exhaust pipe 24 for exhausting gas, which is favorable for exhausting redundant lower hot gas generated by the anode 5 in the casing 2, is favorable for enhancing the heat dissipation effect of the anode 5, has better heat dissipation effect and improves the occurrence stability of X-rays. As shown in fig. 1 to 2, the anode 5 is sleeved with an anode protecting cover 52 for protecting the anode 5, which is beneficial to protecting the anode 5 and prolonging the service life of the anode 5 and the device.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. Meanwhile, the meaning of "and/or" appearing throughout the text is to include three schemes, taking "a and/or B" as an example, including a scheme, or B scheme, or a scheme that a and B satisfy simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
All the components are general standard components or components known to the person skilled in the art, and the structures and principles of the components are known to the person skilled in the art through technical manuals or through routine experimental methods.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (4)
1. An X-ray generating device comprises a shell (2), and is characterized in that a cathode tube (21) is arranged on one side of the shell (2), the cathode tube (21) is provided with a tube orifice (211), a cathode (4) and a cathode stem (41) are sequentially arranged on the cathode tube (21) from the position close to the tube orifice (211) to the position far away from the tube orifice (211), an anode insulating plate (22) is arranged at the bottom of the shell (2), an anode (5) is arranged on the anode insulating plate (22), a cooling hole (51) is formed in the anode (5), and the cooling hole (51) is positioned in the anode (5) and can be directly connected to the outside of the anode insulating plate (22); the anode (5) is also provided with an anode target surface (54), an emission port of the cathode (4) is aligned to the anode target surface (54), and a window (53) is also arranged at the top of the shell.
2. An X-ray generating device according to claim 1, characterized in that the bottom of the housing (2) is provided with a high voltage power supply (3), the housing (2) is provided with an annular step (23), and the annular step (23) is connected to the high voltage power supply (3) in a limited manner.
3. An X-ray generator according to claim 1, characterized in that the side wall of the housing (2) is further provided with an exhaust pipe (24) for exhausting the gas.
4. An X-ray generator according to claim 1, characterized in that the anode (5) is provided with an anode protection cover (52) for protecting the anode (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322230205.6U CN220984467U (en) | 2023-08-18 | 2023-08-18 | X-ray generating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322230205.6U CN220984467U (en) | 2023-08-18 | 2023-08-18 | X-ray generating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220984467U true CN220984467U (en) | 2024-05-17 |
Family
ID=91040256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322230205.6U Active CN220984467U (en) | 2023-08-18 | 2023-08-18 | X-ray generating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220984467U (en) |
-
2023
- 2023-08-18 CN CN202322230205.6U patent/CN220984467U/en active Active
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