Electro accelerator and target cooling device thereof

Abstract

Provided in the present disclosure are an electro accelerator and a target cooling device thereof. The target cooling device comprises a body housing, a liquid inlet, a liquid outlet, a target material and an isolation sheet, wherein a mounting hole is provided in the middle of the body housing; a liquid-cooling cavity is provided inside the body housing; one end of the liquid-cooling cavity is connected to the liquid inlet, and the other end of the liquid-cooling cavity is connected to the liquid outlet; the target material and the isolation sheet are both arranged in the mounting hole, and the target material is arranged above the isolation sheet; and the liquid-cooling cavity comprises a gap between the target material and the isolation sheet. Provided in the present disclosure is a water-cooling heat dissipation mechanism for a target material, the mechanism improving the heat dissipation efficiency, taking away heat in a timely and effective manner, reducing the temperature of the target material, ensuring the efficiency and quality of X-ray generation, and making an apparatus operate more stably and safely. Furthermore, a tungsten target, a flange, a collimator and the heat dissipation structure are integrated into one device, such that the apparatus can have a simplified structure and is easily mounted.

Description

Electron accelerator and target cooling device thereof TECHNICAL FIELD

[0001] The utility model relates to an electron accelerator and a target cooling device thereof. BACKGROUND

[0002] A high-voltage accelerator is a device used to accelerate charged particles by utilizing high-voltage electric fields. In a high-voltage accelerator, charged particles are accelerated to very high speeds for particle physics research or to generate high-energy particle beams for other experiments. A high-voltage accelerator typically includes components such as an acceleration cavity, magnetic fields, and a control system, and can produce high-energy charged particle beams. Common high-voltage accelerators include electron accelerators, proton accelerators, and others.

[0003] Electron accelerators play an important role in modern physics research, helping scientists explore the basic structure and interactions of particles. By accelerating charged particles, scientists can conduct collision experiments under high-energy conditions to study the behavior of particles under extreme conditions. These experiments help reveal the basic laws of nature and deepen our understanding of the universe.

[0004] In addition to scientific research, electron accelerators also play a role in medical fields and industrial applications.

[0005] In the medical field, electron accelerators can be used for applications such as radiotherapy and medical imaging, helping doctors diagnose diseases and treat patients.

[0006] In the industrial field, electron accelerators can be used in material modification, surface treatment, beam etching, and other fields to improve production efficiency and product quality.

[0007] Electron accelerators are a powerful tool that provides scientists with a way to explore the microscopic world and improve the quality of life. With the continuous development of technology, electron accelerators will continue to play an important role in various fields.

[0008] In an electron accelerator, an electron beam collides with a target material to produce X-rays after being accelerated. Due to the extremely high energy of the electron beam, a large amount of heat is generated after colliding with the target material. Traditional cooling methods are often inefficient and cannot effectively remove heat in a timely manner, resulting in excessively high target material temperatures, affecting the efficiency and quality of X-ray production.

[0009] Utility model content

[0010] The utility model wants to solve the technical problem is in order to overcome the tungsten target of electronic accelerator in the prior art poor heat dissipation efficiency, lead to target material temperature is too high, influence X ray's production efficiency and quality's defect, provide a kind of electronic accelerator and its target cooling device that can promote the working stability of titanium metal film, improve linear accelerator equipment security.

[0011] The utility model is through the following technical scheme to solve the above technical problem:

[0012] A target cooling device for electronic accelerator, characterized in that, the target cooling device includes a main body shell, a liquid inlet, a liquid outlet, a target material and a separation sheet,

[0013] The middle part of the main body shell is provided with a mounting hole, and the inside of the main body shell is provided with a liquid cooling cavity, one end of the liquid cooling cavity is connected with the liquid inlet, and the other end is connected with the liquid outlet.

[0014] The target material and the separation sheet are arranged in the mounting hole, the target material is arranged above the separation sheet, and the liquid cooling cavity includes the gap between the target material and the separation sheet.

[0015] Preferably, the liquid cooling cavity includes a first region, a second region and a third region, the first region is connected with the liquid outlet, the third region is connected with the liquid inlet, the second region includes the gap between the target material and the separation sheet, the height of the first region and the second region is greater than the height of the gap, the maximum width of the first region is less than the maximum width of the third region, and the pipe diameter of the liquid inlet is less than that of the liquid outlet.

[0016] Preferably, the outer side of the mounting hole is provided with a plurality of flange mounting through holes, the flange mounting through holes include first through holes and second through holes, a plurality of mounting columns are arranged in the liquid cooling cavity, the first through holes are arranged in the mounting columns, and the second through holes are arranged on the region of the main body shell except the liquid cooling cavity.

[0017] Preferably, the shape of the mounting column is shuttle-shaped, the length direction of the shuttle-shaped is matched with the water flow direction from the third region to the first region, the flange mounting through holes are uniformly arranged around the mounting hole, and the upper surface and the lower surface of the liquid cooling cavity are both curved surfaces.

[0018] Preferably, the outer side of the mounting hole is provided with a plurality of main body mounting screw holes, the main body mounting screw holes include first screw holes and second screw holes, the first screw holes are arranged in the mounting columns, and the second screw holes are arranged on the region of the main body shell except the liquid cooling cavity.

[0019] Preferably, the liquid cooling cavity is provided with a liquid cooling tank above the liquid cooling cavity, the liquid cooling tank is provided around the mounting hole, the liquid cooling tank is provided with a tank cover plate above the liquid cooling tank, one end of the liquid cooling tank is connected with the liquid inlet through the liquid cooling cavity, and the other end of the liquid cooling tank is connected with the liquid outlet through the liquid cooling cavity.

[0020] Preferably, the main body shell comprises a main body upper shell and a main body lower shell, the main body upper shell is provided with an acceleration tube of an electron accelerator above the main body upper shell, the main body lower shell is provided with a collimator below the main body lower shell, the target material is mounted at the lower end of the mounting hole of the main body upper shell, and the isolation sheet is mounted at the upper end of the mounting hole of the main body lower shell.

[0021] Preferably, the target material is a tungsten target, the isolation sheet is a titanium foil, and the edge of the isolation sheet is provided with a clamping protrusion mounted between the collimator and the main body lower shell.

[0022] Preferably, the liquid outlet is connected with the liquid inlet through a cooling liquid tank, a cold water device and a high-pressure water pump,

[0023] The main body shell is made of tungsten, and the main body lower shell and the collimator are integrally formed.

[0024] The main body upper shell is made of tungsten.

[0025] The main body lower shell is made of tungsten, and the main body lower shell and the collimator are integrally formed.

[0026] The utility model also provides an electron accelerator, characterized in that the electron accelerator comprises the target cooling device.

[0027] The utility model also provides an electron accelerator, characterized in that the waveguide isolation window comprises the water cooling device for the beam extraction system.

[0028] On the basis of conforming to the common sense in the art, the above-mentioned preferred conditions can be combined at will, that is, the preferred examples of the utility model are obtained.

[0029] The utility model has the positive progress effect that:

[0030] The utility model provides a water cooling heat dissipation mechanism of target material, improves heat dissipation efficiency, effectively removes heat in time, reduces target material temperature, ensures the efficiency and quality of X-ray generation, makes equipment operation more stable and safer, further, integrates tungsten target, flange and heat dissipation structure into a device, can make the structure of equipment simple, and installation is convenient.

[0031] Through the specially designed cooling water channel, efficient cooling of the tungsten target is realized, and stable generation of X-ray is ensured.

[0032] The closed-loop cooling system composed of a high-pressure water pump and a compression mechanism can quickly circulate cooling water and improve the cooling efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0033] Fig. 1 is a structural schematic diagram of a target cooling device according to an embodiment of the present application.

[0034] Fig. 2 is a structural schematic diagram of a target cooling device according to an embodiment of the present application.

[0035] Fig. 3 is a structural schematic diagram of a target cooling device according to an embodiment of the present application.

[0036] Fig. 4 is a structural schematic diagram of a target cooling device according to an embodiment of the present application.

[0037] Fig. 5 is a structural schematic diagram of a spacer according to an embodiment of the present application.

[0038] Fig. 6 is a structural schematic diagram of a water cooling system according to an embodiment of the present application.

[0039] Fig. 7 is a structural schematic diagram of a target cooling device according to an embodiment of the present application. DETAILED DESCRIPTION

[0040] The present application will be further described below by way of examples, but the present application is not limited in the scope of the examples.

[0041] Embodiment 1

[0042] In the present embodiment, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for the purpose of description and cannot be understood as indicating or implying relative importance.

[0043] Referring to Figs. 1 to 6, the present embodiment provides an electron accelerator, which comprises a water cooling system and a target cooling device.

[0044] The target cooling device comprises a main body shell 100, an inlet 101, an outlet 102, a target material 103 and a spacer 104.

[0045] In the present embodiment, the main body shell is made of stainless steel material, and preferably, the main body shell can also be made of tungsten material, which has higher shielding effect.

[0046] The target material 103 is a tungsten target, and high-energy electron beams bombard the tungsten target to generate X-rays while generating a large amount of waste heat.

[0047] The isolation sheet 104 is a titanium window, which can be a titanium foil or some non-metallic plate, and its function is to isolate the water channel while allowing X-rays to pass through.

[0048] The middle part of the main body shell is provided with a mounting hole 105, and the inside of the main body shell is provided with a liquid cooling cavity 106, one end of which is connected with the liquid inlet 101 and the other end is connected with the liquid outlet 102.

[0049] The target material and the isolation sheet are both arranged in the mounting hole, the target material is arranged above the isolation sheet, and the liquid cooling cavity includes the gap 107 between the target material and the isolation sheet.

[0050] The liquid cooling cavity 106 includes a first area 1061, a second area 1062, and a third area 1063.

[0051] The first area is connected with the liquid outlet, the third area is connected with the liquid inlet, and the second area includes the gap between the target material and the isolation sheet.

[0052] The height of the first area and the second area is greater than the height of the gap, and the maximum width of the first area is less than the maximum width of the third area.

[0053] The third area enters the high-pressure water flow, and the water flow in the second area converges, so that the water flow flows in a sheet shape at a high speed over the surface of the tungsten target, quickly taking away the heat.

[0054] The outer side of the mounting hole 105 is provided with a plurality of flange mounting through holes.

[0055] The flange mounting through holes include a first through hole 1051 and a second through hole 1052.

[0056] A plurality of mounting columns 108 are arranged in the liquid cooling cavity 106.

[0057] The first through hole 1051 is arranged in the mounting column, and the second through hole 1052 is arranged on the area of the main body shell except the liquid cooling cavity.

[0058] The mounting column of the water inlet area has the following functions:

[0059] Disperse the incoming high-pressure water flow, so that the water flow flows in a sheet shape at a high speed over the surface of the tungsten target.

[0060] Reserve the mounting screw via hole which needs to be symmetrically and uniformly distributed.

[0061] The liquid cooling cavity is formed by the mounting column into multiple flow channels, covering the circular tungsten target area, and the design is maximized in area under the condition of avoiding the mounting hole.

[0062] The mounting column 108 is shaped like a shuttle, the length direction of which matches the water flow direction 109 from the third area to the first area, the flange mounting through hole is evenly arranged around the mounting hole, and the upper surface and the lower surface of the liquid cooling cavity are both curved surfaces.

[0063] The liquid cooling cavity is formed by the mounting column into multiple flow channels, covering the circular tungsten target area, and the design is maximized in area under the condition of avoiding the mounting hole.

[0064] The liquid cooling water tank is arranged around the mounting hole.

[0065] The liquid cooling water tank is arranged around the mounting hole.

[0066] One end of the liquid cooling water tank is connected to the liquid inlet through the liquid cooling cavity, and the other end is connected to the liquid outlet through the liquid cooling cavity. A connecting hole 112 is arranged between the liquid cooling water tank and the liquid cooling cavity.

[0067] The pipe diameter of the liquid inlet is smaller than that of the liquid outlet.

[0068] The main body shell includes a main body upper shell and a main body lower shell.

[0069] The upper surface of the main body upper shell is provided with an acceleration tube of an electron accelerator.

[0070] The lower surface of the main body lower shell is provided with a collimator 113.

[0071] The target material is installed at the lower end of the mounting hole of the main body upper shell.

[0072] The isolation sheet is installed at the upper end of the mounting hole of the main body lower shell.

[0073] The outer side of the mounting hole is provided with a plurality of main body mounting screw holes for mounting the main body upper shell and the main body lower shell.

[0074] The main body mounting screw hole includes a first screw hole and a second screw hole.

[0075] The first screw hole is arranged in the mounting column.

[0076] The second screw hole is arranged on the area of the main body shell except the liquid cooling cavity.

[0077] Specifically, the target material is a tungsten target, the isolation sheet 104 is a titanium foil, the edge of the isolation sheet is provided with a clamping protrusion, and the clamping protrusion is installed between the collimator 113 and the main body lower shell.

[0078] The water cooling system comprises a cooling liquid tank 114, a cold water device 115 and a high-pressure water pump 116, and the outlet 102 is connected with the inlet 101 through the cooling liquid tank, the cold water device (which can be an evaporator) and the high-pressure water pump.

[0079] The material of the main body shell is stainless steel, and the material of the collimator is tungsten.

[0080] The embodiment provides a water cooling heat dissipation mechanism for a target material, improves heat dissipation efficiency, effectively removes heat in time, reduces the temperature of the target material, ensures the efficiency and quality of X-ray generation, makes the equipment run more stably and safely, and further integrates a tungsten target, a flange and a heat dissipation structure into one device, so that the structure of the equipment can be simplified and installation is convenient.

[0081] High-efficiency cooling of the tungsten target is realized through a specially designed cooling water channel, and stable generation of X-ray is ensured.

[0082] A closed-loop cooling system formed by a high-pressure water pump and a compression mechanism can quickly circulate cooling water, and improves cooling efficiency.

[0083] Embodiment 2

[0084] Referring to FIG. 7, the embodiment is basically the same as embodiment 1, and the difference is only that:

[0085] In the embodiment, the material of the main body shell is tungsten, and the main body lower shell 201 is provided with an integrally formed collimator 202, that is, the main body lower shell 201 is integrally formed with the collimator 202.

[0086] Other embodiments can also be that the material of the main body upper shell is tungsten, the main body lower shell is made of stainless steel, and the material of the collimator is tungsten; or the material of the main body lower shell is tungsten, the main body lower shell is integrally formed with the collimator, and the main body upper shell is made of stainless steel.

[0087] Although the specific embodiments of the utility model are described above, those skilled in the art should understand that these are only illustrative, and the protection scope of the utility model is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of the utility model, and these changes and modifications all fall within the protection scope of the utility model.

Claims

1. A target cooling device for an electron accelerator, characterized by, The target cooling device comprises a main housing, an inlet, an outlet, a target material and a spacer, The middle part of the main housing is provided with a mounting hole, and the inside of the main housing is provided with a liquid cooling cavity, one end of the liquid cooling cavity is connected with the inlet, and the other end is connected with the outlet; The target material and the spacer are arranged in the mounting hole, the target material is arranged above the spacer, and the liquid cooling cavity comprises a gap between the target material and the spacer.

2. The target cooling device for an electron accelerator according to claim 1, wherein The main housing comprises a main upper shell and a main lower shell, the upper shell is provided with an acceleration tube of an electron accelerator, the lower shell is provided with a collimator, the target material is arranged at the lower end of the mounting hole of the main upper shell, and the spacer is arranged at the upper end of the mounting hole of the main lower shell.

3. The target cooling device for the electron accelerator according to claim 2, wherein The material of the main housing is tungsten, and the main lower shell is integrally formed with the collimator; or The material of the main upper shell is tungsten; or The material of the main lower shell is tungsten, and the main lower shell is integrally formed with the collimator.

4. The target cooling device for an electron accelerator according to claim 2, wherein The target material is a tungsten target, the spacer is a titanium foil, the edge of the spacer is provided with a clamping protrusion, and the clamping protrusion is arranged between the collimator and the main lower shell.

5. The target cooling device for an electron accelerator according to claim 1, wherein The liquid cooling cavity comprises a first region, a second region and a third region, the first region is connected with the outlet, the third region is connected with the inlet, the second region comprises a gap between the target material and the spacer, the height of the first region and the second region is greater than the height of the gap, the maximum width of the first region is less than the maximum width of the third region, and the pipe diameter of the inlet is less than the pipe diameter of the outlet.

6. The target cooling device for an electron accelerator according to claim 5, wherein The outer side of the mounting hole is provided with a plurality of flange mounting through holes, the flange mounting through holes comprise first through holes and second through holes, the liquid cooling cavity is provided with a plurality of mounting columns, the first through holes are arranged in the mounting columns, and the second through holes are arranged on the region of the main housing except the liquid cooling cavity.

7. The target cooling device for an electron accelerator according to claim 6, wherein The shape of the mounting column is shuttle-shaped, the length direction of the shuttle-shaped is matched with the water flow direction from the third region to the first region, the flange mounting through holes are uniformly arranged around the mounting hole, and the upper surface and the lower surface of the liquid cooling cavity are curved surfaces.

8. The target cooling device for an electron accelerator according to claim 6, wherein The outer side of the mounting hole is provided with a plurality of main mounting screw holes, the main mounting screw holes comprise first screw holes and second screw holes, the first screw holes are arranged in the mounting columns, and the second screw holes are arranged on the region of the main housing except the liquid cooling cavity.

9. The target cooling device for an electron accelerator according to claim 1, wherein The upper side of the liquid cooling cavity is provided with a liquid cooling tank, the liquid cooling tank is arranged around the mounting hole, the upper side of the liquid cooling tank is provided with a tank cover plate, one end of the liquid cooling tank is connected with the inlet through the liquid cooling cavity, and the other end is connected with the outlet through the liquid cooling cavity, and the outlet is connected with the inlet through a cooling liquid tank, a cold water device and a high-pressure water pump.

10. An electron accelerator characterized by, The electron accelerator comprises the target cooling device according to any one of claims 1 to 9.

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