X-ray source shielding and protection structure

Abstract

The present invention discloses an X-ray source shielding and protection structure, which relates to the technical field of electrical equipment. Among them, the X-ray source shielding and protection structure includes: a first housing, an X-ray tube, a high-voltage package, and a control board; the first housing includes a mounting frame, a first side plate, a second side plate, and a first mounting cylinder. The mounting frame is used for mounting the high-voltage package. The mounting frame is arranged in the first mounting cylinder and is detachably connected to the first mounting cylinder. A shielding coating is provided on the outside of the first housing; the first side plate and the second side plate are respectively detachably mounted at both ends of the first mounting cylinder; the X-ray tube is arranged in the first mounting cylinder and is mounted on the first side plate, and the emitting end of the X-ray tube is exposed from the first side plate; the control board is arranged in the first mounting cylinder and is mounted on the second side plate, and the connecting part of the control board is exposed from the second side plate. The technical solution provided by the present invention can solve the problem that the existing shielding and protection structure is inconvenient to assemble.

Description

Technical Field

[0001] The present invention relates to the technical field of electrical equipment, and particularly to a shielding and protection structure for an X-ray source. Background Art

[0002] X-rays have high energy and can ionize gas molecules or dust particles to form charged particles (positive and negative ions). The ionization of X-rays can be combined with an electrostatic precipitator to enhance the capture ability of fine particles (such as PM2.5), thereby improving the dust removal efficiency.

[0003] Since X-rays belong to ionizing radiation and have penetrability and biological harmfulness, a shielding and protection structure is required to shield the X-ray source.

[0004] In the existing shielding and protection structure, due to the cumbersome structure, there is a problem that the assembly is relatively inconvenient. Summary of the Invention

[0005] The main object of the present invention is to propose a shielding and protection structure for an X-ray source, aiming to solve the problem of inconvenient assembly of the existing shielding and protection structure.

[0006] To achieve the above object, the shielding and protection structure for an X-ray source proposed by the present invention includes:

[0007] A first housing, an X-ray tube, a high-voltage package, and a control board;

[0008] The first housing includes a mounting frame, a first side plate, a second side plate, and a first mounting cylinder. The mounting frame is used for mounting the high-voltage package. The mounting frame is disposed inside the first mounting cylinder and is detachably connected to the first mounting cylinder. A shielding coating is provided on the outside of the first housing;

[0009] The first side plate and the second side plate are respectively detachably mounted at both ends of the first mounting cylinder;

[0010] The X-ray tube is disposed inside the first mounting cylinder and is mounted on the first side plate. The emitting end of the X-ray tube is exposed from the first side plate;

[0011] The control board is disposed inside the first mounting cylinder and is mounted on the second side plate. The connecting portion of the control board is exposed from the second side plate.

[0012] In an embodiment, the first side plate and the second side plate are fixedly provided at both ends of the first mounting cylinder by means of screw locking;

[0013] The mounting frame is fixedly provided in the first mounting cylinder by means of screw locking.

[0014] In one embodiment, annular grooves are formed at both ends of the first mounting cylinder, and the first side plate and the second side plate are both provided with protrusions having an annular structure. The protrusions are inserted into the annular grooves;

[0015] And / or, the first side plate and the second side plate are made of lead material.

[0016] In one embodiment, the X-ray source shielding and protection structure further includes a second housing and a air supply component mounted on the second housing;

[0017] The second housing includes a second mounting cylinder with one end open. A third side plate is detachably connected to the opening of the second mounting cylinder. The first housing is mounted in the second mounting cylinder. A first air duct is formed between the inner wall of the first housing and the second mounting cylinder. The inlet and outlet of the first air duct are both formed in the second mounting cylinder. The air supply component is connected to the inlet of the first air duct. The first housing is detachably connected to the second mounting cylinder;

[0018] The second mounting cylinder is provided with a first through hole for a wire harness to pass through the second mounting cylinder and be connected to the connection part of the control board. The third side plate is provided with a second through hole, and the second through hole is arranged corresponding to the emitting end of the ray tube;

[0019] The shielding coating is provided on the inner wall of the second housing.

[0020] In one embodiment, heat dissipation grooves are formed on the inner wall and outer wall of the first mounting cylinder.

[0021] In one embodiment, the connection part of the first through hole and the control board is arranged in a staggered manner;

[0022] And / or, the third side plate abuts against the first side plate.

[0023] In one embodiment, the shielding coating is barium sulfate.

[0024] In one embodiment, the inlet of the first air duct is arranged near the first side plate, and the outlet of the first air duct is arranged at one end of the second mounting cylinder opposite to the third side plate.

[0025] In one embodiment, a first flow guiding part is arranged at the corner of the inner wall of the second mounting cylinder.

[0026] In one embodiment, the first housing and the second mounting cylinder are connected by means of screw locking.

[0027] The technical solution of the present invention is that the first housing includes a mounting frame, a first side plate, a second side plate, and a first mounting cylinder. The mounting frame is used for mounting the high-voltage package. The mounting frame is disposed inside the first mounting cylinder and is detachably connected to the first mounting cylinder. The first side plate and the second side plate are respectively detachably mounted at both ends of the first mounting cylinder. The ray tube is disposed inside the first mounting cylinder and is mounted on the first side plate. The emitting end of the ray tube is exposed from the first side plate. The control board is disposed inside the first mounting cylinder and is mounted on the second side plate. The connecting portion of the control board is exposed from the second side plate. It should be noted that if the ray tube or the control board fails, only the corresponding side plate needs to be disassembled for repair, without disassembling the entire housing, reducing the downtime. Moreover, the exposed connecting portion of the control board can support quick plugging and unplugging, avoiding damage to the internal cables due to frequent disassembly and assembly. Further, during assembly, the ray tube and the control board can be respectively mounted on the corresponding side plates first, and then the side plates can be connected to the first mounting cylinder, thus achieving the purpose of convenient assembly and further solving the technical problems existing in the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on the structures shown in these drawings.

[0029] Figure 1 FIG. is a schematic structural diagram of an embodiment of the X-ray source shielding and protection structure provided by the present invention;

[0030] Figure 2 FIG. is a schematic structural diagram of a second housing and an air supply component in an embodiment of the X-ray source shielding and protection structure provided by the present invention;

[0031] Figure 3 is Figure 2 a cross-sectional schematic diagram of;

[0032] Figure 4 is Figure 3 a partial enlarged view of part A in;

[0033] Figure 5 is Figure 2 a schematic structural diagram of the second mounting cylinder in;

[0034] Figure 6 FIG. is a schematic structural diagram of another embodiment of the X-ray source shielding and protection structure provided by the present invention;

[0035] Figure 7Schematic diagram of a structure of a first mounting cylinder in the X-ray source shielding and protection structure provided by the present invention.

[0036] Explanation of the reference numerals in the attached drawings:

[0037] 100, first housing; 110, first side plate; 120, second side plate; 130, first mounting cylinder; 131, heat dissipation groove; 140, mounting bracket;

[0038] 200, X-ray tube; 210, emission end;

[0039] 300, high-voltage package;

[0040] 400, control board; 410, connecting part;

[0041] 500, second housing; 510, third side plate; 520, second mounting cylinder; 521, first through hole; 522, first diversion part; 523, support column; 524, guiding protrusion;

[0042] 600, air supply assembly; 610, first diverter; 620, first air supply pipeline; 630, second diverter; 631, second through hole; 632, flow channel;

[0043] 700, first air duct; 710, air duct inlet; 720, air duct outlet.

[0044] The realization, functional features and advantages of the object of the present invention will be further described with reference to the embodiments and the accompanying drawings. Specific embodiments

[0045] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0046] It should be noted that if there are directional indications (such as up, down, left, right, front, back...) involved in the embodiments of the present invention, the directional indications are only used to explain the relative positional relationship and movement conditions between components in a specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0047] In addition, if the embodiments of the present invention involve descriptions such as "first", "second", etc., the descriptions of "first", "second", etc. are only for descriptive purposes and should not be construed as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one such feature. In addition, if "and / or" or "and / or" appears throughout the text, its meaning includes three parallel scenarios. Taking "A and / or B" as an example, it includes scenario A, scenario B, or the scenario where both A and B are satisfied simultaneously. In addition, the technical solutions between various embodiments can be combined with each other, but it must be based on the ability of those of ordinary skill in the art to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0048] X-rays have high energy and can ionize gas molecules or dust particles to form charged particles (positive and negative ions). X-ray ionization can be combined with an electrostatic precipitator to enhance the capture ability of fine particles (such as PM2.5), thereby improving the dust removal efficiency.

[0049] Since X-rays belong to ionizing radiation and have penetrability and biological harmfulness, a shielding protection structure needs to be adopted to shield the X-ray source.

[0050] The existing shielding protection structure has the problem of inconvenient assembly due to its complicated structure.

[0051] The present invention proposes an X-ray source shielding protection structure.

[0052] Please refer to Figure 1, in an embodiment of the present invention, the X-ray source shielding and protection structure includes: a first housing 100, an X-ray tube 200, a high-voltage package 300, and a control board 400 installed in the first housing 100. The X-ray tube 200 is used to emit X-rays, the high-voltage package 300 generates high-voltage boost, and the control board 400 is connected to the high-voltage package 300 and the X-ray tube 200 through wires to achieve a control function. The high-voltage package 300 is responsible for converting the input low voltage into a high voltage, providing it to the X-ray tube 200 to accelerate the electron beam and adjust the energy of the electron beam. The X-ray tube 200 emits X-rays. Further, in some embodiments, a shielding coating is provided outside the first housing 100, and the shielding coating can be barium sulfate. Specifically, the first housing 100 includes a mounting frame 140, a first side plate 110, a second side plate 120, and a first mounting cylinder 130. It should be noted that disassembling the first housing 100 into independent modules can facilitate the installation of the X-ray tube 200, the high-voltage package 300, and the control board 400. Specifically, the mounting frame 140 is used for installing the high-voltage package 300. The mounting frame 140 is disposed inside the first mounting cylinder 130 and is detachably connected to the first mounting cylinder 130. It should be noted that during the installation of the high-voltage package 300, it is first installed on the mounting frame 140, then the mounting frame 140 and the high-voltage package 300 are together inserted into the first mounting cylinder 130, and then the mounting frame 140 and the first mounting cylinder 130 are connected. Further, the mounting frame 140 and the first mounting cylinder 130 can be connected by screwing. Further, the first side plate 110 and the second side plate 120 are respectively detachably installed at both ends of the first mounting cylinder 130. The X-ray tube 200 is disposed inside the first mounting cylinder 130 and is installed on the first side plate 110, and the emitting end 210 of the X-ray tube 200 is exposed from the first side plate 110. The control board 400 is disposed inside the first mounting cylinder 130 and is installed on the second side plate 120, and the connecting portion 410 of the control board 400 is exposed from the second side plate 120. It should be noted that if the X-ray tube 200 or the control board 400 fails, only the corresponding side plate needs to be disassembled for repair, without disassembling the entire housing, reducing the downtime. And the exposed connecting portion 410 of the control board 400 can support quick plugging and unplugging, avoiding damage to the internal cables due to frequent disassembly and assembly. Further, during assembly, the X-ray tube 200 and the control board 400 can be respectively installed on the corresponding side plates first, and then the side plates are connected to the first mounting cylinder 130, so as to achieve the purpose of convenient assembly, and further solve the technical problems existing in the prior art. Further, in some embodiments, a detachable shielding cover can also be added at the emitting end 210 of the X-ray tube 200 and the interface of the control board 400 to further improve the protection redundancy, and the shielding cover is assembled on the structure when not in use.

[0053] In one embodiment, refer to Figure 1, the first side plate 110 and the second side plate 120 are fixedly arranged at both ends of the first mounting cylinder 130 by means of screw locking; the mounting frame 140 is fixedly arranged on the first mounting cylinder 130 by means of screw locking, so that the connection stability between the first side plate 110, the second side plate 120 and the first mounting cylinder 130 can be improved. Similarly, the same is true for the mounting frame 140, that is, the overall stability of the shielding structure is improved.

[0054] In an embodiment, annular grooves (not shown in the figure) are provided at both ends of the first mounting cylinder 130, and the first side plate 110 and the second side plate 120 are both provided with protrusions having an annular structure (not shown in the figure). The protrusions are inserted into the annular grooves. Under the action of the annular grooves and the protrusions, a pre-positioning effect can be formed between the first side plate 110, the second side plate 120 and the first mounting cylinder 130. Further, in some embodiments, the first side plate 110 and the second side plate 120 can be made of lead. At the same time, since the first side plate 110 and the second side plate 120 are shielding materials, the protrusions are also shielding materials at this time. When the protrusions are inserted into the annular grooves, while achieving the pre-positioning effect, it can also play a secondary shielding effect on the connection between the first side plate 110, the second side plate 120 and the first mounting cylinder 130, reducing the possibility of X-rays leaking from the connection between the first side plate 110, the second side plate 120 and the first mounting cylinder 130.

[0055] In an embodiment, refer to Figures 2 to 7, the X-ray source shielding and protection structure further includes a second housing 500 and a air supply assembly 600 mounted on the second housing 500; the second housing 500 includes a second mounting cylinder 520 with an open end, a third side plate 510 is detachably connected to the opening of the second mounting cylinder 520, the first housing 100 is mounted on the second mounting cylinder 520, and a first air passage 700 is formed between the inner wall of the first housing 100 and the second mounting cylinder 520. It should be noted that a gap is formed between the first housing 100 and the second mounting cylinder 520, and in this embodiment, this gap is the first air passage 700. The inlet and outlet of the first air passage 700 are both opened on the second mounting cylinder 520. The air supply assembly 600 is connected to the inlet of the first air passage 700, and the first housing 100 is detachably connected to the second mounting cylinder 520; the second mounting cylinder 520 is provided with a first through hole 521 for a wire harness to pass through the second mounting cylinder 520 and be connected to the connecting portion 410 of the control board 400. The third side plate 510 is provided with a second through hole 631, and the second through hole 631 is correspondingly arranged with the emitting end 210 of the ray tube 200; the shielding coating is provided on the inner wall of the second housing 500. Further, in this embodiment, the first housing 100 can be made of a material with good thermal conductivity, such as aluminum. Since the first housing 100 is arranged inside the second housing 500 and a first air passage 700 is formed between the first housing 100 and the inner wall of the second housing 500, at this time, the air supply assembly 600 can send air into the first air passage 700 through the inlet of the first air passage 700, and then flow out from the outlet of the first air passage 700. Under the flow of the gas, the heat outside the first housing 100 can be taken away, so as to achieve a heat dissipation effect. And the design of the first air passage 700 enables the air flow to only flow between the first housing 100 and the second housing 500, avoiding dust from entering the inside of the first housing 100 and affecting the service life of the ray tube 200 and the control board 400. At the same time, the first housing 100 and the second housing 500 are detachably connected. After the first housing 100, the high-voltage package 300, the emitting tube, and the control board 400 are assembled, the whole is installed inside the second housing 500. Since the third side plate 510 is detachably connected to the second housing 500, when the ray tube 200 needs to be repaired, only the third side plate 510 needs to be disassembled to expose the emitting end 210, without disassembling the whole second housing 500.

[0056] In one embodiment, refer to Figure 7 , heat dissipation grooves 131 are provided on the inner and outer walls of the first mounting cylinder 130. Under the action of the heat dissipation grooves 131, the surface area of the first housing 100 can be increased, and at the same time, turbulent flow can be induced to improve the heat dissipation efficiency. It should be noted that one end of the heat dissipation groove 131 is close to the inlet of the air passage, and the other end is close to the outlet of the air passage.

[0057] In one embodiment, refer toFigure 5 The connecting portion 410 of the first through hole 521 and the control board 400 is arranged in a dislocation manner. If the first through hole 521 is aligned with the connecting portion 410 of the control board 400, there is a possibility that high-frequency signal lines (such as clock lines and radio frequency lines) may form a radiation antenna through the through hole, resulting in electromagnetic leakage. The dislocation setting can reduce this problem.

[0058] In one embodiment, referring to Figure 6 the third side plate 510 abuts against the first side plate 110, so that the gap between the first side plate 110 and the third side plate 510 can be reduced. The reduction of the gap between the two side plates can reduce the possibility of radiation leakage from the gap between the casings, especially for the scattered rays near the emission end 210 of the ray tube 200.

[0059] In one embodiment, the shielding coating is barium sulfate. It should be noted that this can reduce the weight of the second casing 500. Specifically, if the second casing 500 is made of lead to achieve the shielding effect, the weight of the second casing 500 will be relatively heavy. At this time, the second casing 500 can adopt a lightweight material in combination with the barium sulfate shielding coating to achieve the purpose of reducing the weight of the second casing 500, that is, to make the product lightweight. In some embodiments, the shielding coating can also be formed on the second casing 500 by spraying.

[0060] In one embodiment, referring to Figure 6 the inlet of the first air duct 700 is arranged near the first side plate 110, and the outlet of the first air duct 700 is arranged at one end of the second mounting cylinder 520 opposite to the third side plate 510.

[0061] Further, referring to Figure 2 、 Figure 3 、 Figure 4, in some embodiments, the air supply assembly 600 includes a blower (not shown in the figure), a first diverter 610, a first air supply pipeline 620, and a second diverter 630. The first air supply pipeline 620 connects the first diverter 610 and the second diverter 630. The first air supply pipeline 620 and the first diverter 610, the second diverter 630 can be connected by a plugging and fixing method. Specifically, the first air supply pipeline 620 is plugged with the first diverter 610 and the second diverter 630. After the plugging is completed, the first air supply pipeline 620 can be fixed to the first diverter 610 and the second diverter 630 by screwing. Of course, in order to improve the shielding effect of the air supply assembly 600, the first diverter 610, the first air supply pipeline 620, and the second diverter 630 can be made of lead-containing materials, or a barium sulfate coating can be provided on their outer surfaces. Further, the blower is connected to the first diverter 610 and can supply air flow into the first diverter 610. Further, there are multiple first air supply pipelines 620 and second diverters 630, and the first air supply pipelines 620 and the second diverters 630 correspond to each other one by one. Among them, the air inlet 710 is also provided in multiple groups, and each group of air inlets 710 is provided with multiple air inlets. One group of air inlets 710 corresponds to one second diverter 630. A plurality of second through holes 631 are formed in the second diverter 630. The number of one group of air inlets 710 is also multiple. The second through holes 631 and the air inlets 710 are arranged in one-to-one correspondence. Further, the air inlets 710 are inclined. The inclined arrangement of the air inlets 710 can make most of the air flow entering the air duct through the air inlets 710 tend to flow towards the air outlet 720. An arc-shaped cross-section flow channel 632 is arranged in the second diverter 630. The arc-shaped cross-section flow channel 632 can reduce the resistance of the air flow when changing direction. Further, in order to make the outlet have a better alignment effect with the air inlet 710, the second housing 500 is configured as a rectangular structure. Further, the air outlet 720 is configured to be four.

[0062] In one embodiment, referring to Figure 6 , at the corner of the inner wall of the second mounting cylinder 520, a first flow guiding portion 522 is provided. The first flow guiding portion 522 is to reduce the flow resistance of the air flow at the corner and improve the heat dissipation effect.

[0063] In one embodiment, referring to Figure 6, the first housing 100 and the second mounting cylinder 520 are connected by means of screw attachment. It should be noted that, for the convenience of installation, a support column 523 is provided inside the second mounting cylinder 520, and the first housing 100 abuts against the support column 523. At this time, the screw connects the support column 523 and the first housing 100. Further, the second mounting cylinder 520 and the support column 523 can be integrally formed. Further, a guiding protrusion 524 is further provided on the inner wall of the second mounting cylinder 520. The guiding protrusion 524 can, on the one hand, enable the first housing 100 and the support column 523 to achieve pre-alignment, and on the other hand, enable the air channels between the outer side of the first housing 100 and the inner wall of the second mounting cylinder 520 to be evenly distributed, that is, the gaps are evenly distributed, making the heat dissipation more uniform.

[0064] The above is only an exemplary embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structural transformation made under the technical concept of the present invention by using the content of the specification and drawings of the present invention, or directly / indirectly applied in other related technical fields, is included in the patent protection scope of the present invention.

Claims

1. An X-ray source shielding protection structure, characterized in that: include: The first shell, the ray tube, the high voltage package, and the control panel; The first shell includes a mounting frame, a first side plate, a second side plate and a first mounting cylinder, the mounting frame is used for mounting the high-voltage package, the mounting frame is arranged in the first mounting cylinder and is detachably connected to the first mounting cylinder, and a shielding coating is arranged on the outside of the first shell; The first side plate and the second side plate are detachably mounted on two ends of the first mounting tube respectively; The ray tube is arranged in the first installation tube and installed on the first side plate, and the emission end of the ray tube is exposed on the first side plate; The control panel is disposed in the first mounting tube and mounted on the second side panel, and the connecting portion of the control panel is exposed on the second side panel; The X-ray source shielding protection structure also includes a second shell and an air supply assembly installed on the second shell; The second shell includes a second mounting tube with an opening at one end, a third side plate is detachably connected to the opening of the second mounting tube, the first shell is mounted on the second mounting tube, a first air passage is formed between the first shell and the inner wall of the second mounting tube, the inlet and outlet of the first air passage are both opened in the second mounting tube, the air supply assembly is connected to the inlet of the first air passage, and the first shell is detachably connected to the second mounting tube; The second mounting tube is provided with a first through hole, the first through hole is used for the wiring harness to pass through the second mounting tube and connect with the connecting portion of the control board, the third side plate is provided with a second through hole, the second through hole is arranged corresponding to the emission end of the ray tube; The first shell is made of aluminum, and the shielding coating is arranged on the inner wall of the second shell.

2. The X-ray source shielding protection structure according to claim 1, characterized in that: The first side plate and the second side plate are fixed to two ends of the first mounting tube by screw locking; The mounting frame is fixed to the first mounting tube by screw locking.

3. The X-ray source shielding protection structure according to claim 2, characterized in that: Both ends of the first installation tube are provided with annular grooves, and the first side plate and the second side plate are provided with protrusions of annular structures, and the protrusions are plugged into the annular grooves; And / or, the first side plate and the second side plate are made of lead.

4. The X-ray source shielding protection structure according to claim 1, characterized in that: The inner wall and the outer wall of the first installation tube are provided with heat dissipation grooves.

5. The X-ray source shielding protection structure according to claim 4, characterized in that: The first through hole and the connecting portion of the control board are arranged in a staggered manner; And / or, the third side panel abuts against the first side panel.

6. The X-ray source shielding protection structure according to claim 4, characterized in that: The barrier coating is barium sulfate.

7. The X-ray source shielding protection structure according to claim 4, characterized in that: The inlet of the first air passage is arranged close to the first side plate, and the outlet of the first air passage is arranged at an end of the second mounting tube opposite to the third side plate.

8. The X-ray source shielding protection structure according to claim 7, characterized in that: A first flow guide portion is provided at a corner of the inner wall of the second installation tube.

9. The X-ray source shielding protection structure according to claim 4, characterized in that: The first shell is connected to the second mounting tube by screw locking.

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