High voltage cap arrangement, cathode flange and electron accelerator

Abstract

The utility model discloses a high pressure cap device, cathode flange and electron accelerator, high pressure cap device includes a high pressure cap and a high pressure cap installation ring, electron accelerator includes a cathode flange, the high pressure cap is installed in the top of high pressure cap installation ring, and the inner surface of high pressure cap installation ring is equipped with annular groove, the cathode flange includes flange main part and a plurality of ball head plunger, the ball head plunger sets up in the radial of flange main part, and the ball head of ball head plunger projects in the side of flange main part, when high pressure cap installation ring is installed in the outside of cathode flange, the ball head of ball head plunger and the surface electric connection of annular groove. The utility model discloses can be fixed and installed conveniently with cathode flange of high pressure cap, and can reduce the occurrence of sharp end discharge, improve the security of equipment.

Description

Technical Field

[0001] This utility model relates to a high-voltage cap device, a cathode flange, and an electron accelerator. Background Technology

[0002] High-voltage electron accelerators are designed to accelerate electrons. They inject electrons emitted from an electron gun into an accelerating tube. Under the acceleration of the high-intensity electric field formed by the electrodes of the accelerating tube, the electrons quickly approach the speed of light, and their energy quickly reaches hundreds of kilovolts, megavolts, or even tens or hundreds of megaelectron volts. This forms a high-energy electron beam to irradiate and process objects; or it can rotate a target to generate X-rays to irradiate and process large objects or high-density products.

[0003] The high-voltage cap is an important component of an electron accelerator, which enables high-voltage conduction, electric field control, and mechanical connection. Existing high-voltage caps are all fixed to the cathode flange with screws. This installation method is prone to forming tip discharge, which poses a safety hazard. Utility Model Content

[0004] The technical problem to be solved by this utility model is to overcome the defect that the high voltage cap is fixed to the cathode flange by screws in the prior art, which is prone to forming tip discharge and causing safety hazards. The present invention provides a high voltage cap device, cathode flange and electron accelerator that can facilitate the fixed installation of the high voltage cap and the cathode flange, reduce the occurrence of tip discharge and improve the safety of the equipment.

[0005] The present invention solves the above-mentioned technical problems through the following technical solution:

[0006] A high-voltage cap assembly for an electron accelerator is characterized in that the high-voltage cap assembly includes a high-voltage cap and a high-voltage cap mounting ring, and the electron accelerator includes a cathode flange.

[0007] The high-pressure cap is installed on the top of the high-pressure cap mounting ring, and the inner surface of the high-pressure cap mounting ring is provided with an annular groove.

[0008] The cathode flange includes a flange body and a plurality of ball-head plungers. The ball-head plungers are disposed radially on the flange body, and the ball heads of the ball-head plungers protrude from the side of the flange body.

[0009] When the high-pressure cap mounting ring is installed on the outside of the cathode flange, the ball head of the ball plunger is electrically connected to the surface of the annular groove.

[0010] Preferably, the high-pressure cap mounting ring includes a mounting ring body and a raised ring. The cross-sectional area of ​​the mounting ring body through the axis is two rectangles. The annular groove is provided on the inner surface of the mounting ring body. The raised ring is provided on the lower surface of the mounting ring body. The cross-sectional area of ​​the raised ring through the axis is two semicircles.

[0011] Preferably, the electron accelerator includes a high-voltage support, with an upper positioning ring at the top of the high-voltage support, the mounting ring body being mounted above the upper positioning ring, and the protruding ring being located on the outside of the upper positioning ring.

[0012] Preferably, the inner surface of the mounting ring body is radially positioned with respect to the side surface of the flange body, and the inner surface of the upper positioning ring is radially positioned with respect to the side surface of the flange body.

[0013] Preferably, the mounting ring body and the protruding ring are integrally formed.

[0014] Preferably, the outer side of the top surface of the high-pressure cap mounting ring is provided with an annular mounting groove, and the bottom end of the high-pressure cap is installed in the annular mounting groove.

[0015] Preferably, the ball plunger includes a ball head and a plunger body, the ball head is fixed in the mounting hole of the plunger body, a spring is provided between the ball head and the ground of the plunger body, and the outer side of the plunger body is installed in the fixing hole of the flange body.

[0016] Preferably, the electron accelerator includes an accelerating tube, and the cathode flange is fixed to the top of the upper flange of the accelerating tube.

[0017] This utility model also provides a cathode flange, characterized in that the cathode flange is used to install the high-pressure cap device as described above.

[0018] This utility model also provides an electron accelerator, characterized in that the electron accelerator includes the high-voltage cap device as described above.

[0019] Based on common knowledge in the field, the above-mentioned preferred conditions can be combined arbitrarily to obtain various preferred embodiments of this utility model.

[0020] The positive and progressive effects of this utility model are as follows:

[0021] This invention facilitates the fixed installation of the high-voltage cap and the cathode flange, and reduces the occurrence of tip discharge, thereby improving the safety of the equipment. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the electron accelerator according to Embodiment 1 of this utility model.

[0023] Figure 2This is a schematic diagram of the high-pressure cap mounting ring of Embodiment 1 of this utility model.

[0024] Figure 3 This is a schematic diagram of the flange body of Embodiment 1 of this utility model.

[0025] Figure 4 This is a schematic diagram of the electron accelerator according to Embodiment 1 of this utility model. Detailed Implementation

[0026] The present invention will be further illustrated by way of embodiments below, but the present invention is not limited to the scope of the embodiments described herein.

[0027] Example 1

[0028] In this embodiment, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0029] See Figures 1 to 4 This embodiment provides an electron accelerator, which includes a high-voltage cap device, a cathode flange 21, a high-voltage support 31, and an acceleration tube 41.

[0030] The high-pressure cap device includes a high-pressure cap 111 and a high-pressure cap mounting ring 112.

[0031] The high-pressure cap is installed on the top of the high-pressure cap mounting ring, and the inner surface of the high-pressure cap mounting ring 112 is provided with an annular groove 1121;

[0032] The cathode flange 21 includes a flange body 211 and a plurality of ball plungers 212. The ball plungers are arranged in the radial direction of the flange body, that is, the force applied by the spring in the ball plunger to the ball head is in the radial direction of the flange body, and the ball head of the ball plunger protrudes from the side of the flange body.

[0033] When the high-pressure cap mounting ring is installed on the outside of the cathode flange, the ball head of the ball plunger is electrically connected to the surface of the annular groove.

[0034] The high-pressure cap mounting ring 112 includes a mounting ring body 1122 and a protruding ring 1123. The cross-sectional area of ​​the mounting ring body through the axis is two rectangles. The annular groove is provided on the inner surface of the mounting ring body. The protruding ring is provided on the lower surface of the mounting ring body. The cross-sectional area of ​​the protruding ring through the axis is two semicircles.

[0035] The electron accelerator includes a high-voltage support 31, and an upper positioning ring 311 is provided on the top of the high-voltage support. The main body of the mounting ring is mounted above the upper positioning ring, and the protruding ring is located on the outside of the upper positioning ring.

[0036] The inner surface of the mounting ring body is radially positioned relative to the side surface of the flange body, and the inner surface of the upper positioning ring is radially positioned relative to the side surface of the flange body.

[0037] The mounting ring body and the raised ring are integrally formed.

[0038] The high-pressure cap mounting ring 112 has an annular mounting groove 1124 on the outer side of its top surface, and the bottom end of the high-pressure cap is installed in the annular mounting groove.

[0039] The ball-head plunger includes a ball head and a plunger body. The ball head is fixed in the mounting hole of the plunger body. A spring is provided between the ball head and the ground of the plunger body. The outer side of the plunger body is installed in the fixing hole of the flange body.

[0040] The electron accelerator includes an accelerating tube 41, and the cathode flange is fixed to the top of the upper flange 411 of the accelerating tube.

[0041] The number of ball-head plungers and fixing holes is 6 or 8, and the fixing holes are evenly distributed on the side of the flange body.

[0042] While specific embodiments of this utility model have been described above, those skilled in the art should understand that these are merely illustrative examples, and the scope of protection of this 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 this utility model, but all such changes and modifications fall within the scope of protection of this utility model.

Claims

1. A high-voltage cap device for an electron accelerator, characterized in that, The high-voltage cap device includes a high-voltage cap and a high-voltage cap mounting ring, and the electron accelerator includes a cathode flange. The high-pressure cap is installed on the top of the high-pressure cap mounting ring, and the inner surface of the high-pressure cap mounting ring is provided with an annular groove. The cathode flange includes a flange body and a plurality of ball-head plungers. The ball-head plungers are disposed radially on the flange body, and the ball heads of the ball-head plungers protrude from the side of the flange body. When the high-pressure cap mounting ring is installed on the outside of the cathode flange, the ball head of the ball plunger is electrically connected to the surface of the annular groove.

2. The high-pressure cap device as described in claim 1, characterized in that, The high-pressure cap mounting ring includes a mounting ring body and a raised ring. The cross-sectional area of ​​the mounting ring body through the axis is two rectangles. The annular groove is provided on the inner surface of the mounting ring body. The raised ring is provided on the lower surface of the mounting ring body. The cross-sectional area of ​​the raised ring through the axis is two semicircles.

3. The high-pressure cap device as described in claim 2, characterized in that, The electron accelerator includes a high-voltage support, with an upper positioning ring on the top of the high-voltage support. The mounting ring body is mounted above the upper positioning ring, and the protruding ring is located on the outside of the upper positioning ring.

4. The high-pressure cap device as described in claim 3, characterized in that, The inner surface of the mounting ring body is radially positioned relative to the side surface of the flange body, and the inner surface of the upper positioning ring is radially positioned relative to the side surface of the flange body.

5. The high-pressure cap device as described in claim 2, characterized in that, The mounting ring body and the raised ring are integrally formed.

6. The high-pressure cap device as described in claim 1, characterized in that, The top surface of the high-pressure cap mounting ring is provided with an annular mounting groove, and the bottom end of the high-pressure cap is installed in the annular mounting groove.

7. The high-pressure cap device as described in claim 1, characterized in that, The ball-head plunger includes a ball head and a plunger body. The ball head is fixed in the mounting hole of the plunger body. A spring is provided between the ball head and the ground of the plunger body. The outer side of the plunger body is installed in the fixing hole of the flange body.

8. The high-pressure cap device as described in claim 1, characterized in that, The electron accelerator includes an accelerating tube, and the cathode flange is fixed to the top of the upper flange of the accelerating tube.

9. A cathode flange, characterized in that, The cathode flange is used to install the high-pressure cap device as described in any one of claims 1 to 8.

10. An electron accelerator, characterized in that, The electron accelerator includes the high-pressure cap device as described in any one of claims 1 to 8.

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