A high voltage electromagnetic compatibility isolation cabinet

Abstract

The present invention discloses a high-voltage electromagnetic compatibility isolation cabinet, comprising a large cabinet, a plurality of sub-cabinet modules with the same structure and a heat dissipation component, wherein the large cabinet is provided with a cabinet door; the sub-cabinet module is arranged inside the large cabinet, and there is a first gap between the sub-cabinet module and the large cabinet, and there is a second gap between adjacent sub-cabinet modules; the heat dissipation component comprises an exhaust fan, a heat transfer component and a heat dissipation pipe; the exhaust fan is arranged on the first inner wall of the large cabinet, the heat transfer component is arranged inside the large cabinet, and forms an isolation space together with the first inner wall; the heat dissipation pipe is arranged in the large cabinet except for the isolation space, and is passed through the first gap and the second gap, and partly contacts the heat transfer component. The present invention achieves the advantages of being able to isolate electromagnetic interference and fault interference between modules inside the system by arranging a plurality of independent sub-cabinet modules in the large cabinet, and facilitating quick inspection and replacement of sub-cabinet modules.

Description

Technical Field

[0001] The invention specifically relates to a high-voltage electromagnetic compatibility isolation cabinet. Background Art

[0002] The electromagnetic environment inside high-voltage and high-power electronic systems is becoming increasingly complex. The electromagnetic interference generated within the system can cause communication system disconnection, equipment malfunction, transformer life shortening, relay protection device malfunction, and other problems, which poses a potential hazard to the safe and reliable operation of the system and other surrounding equipment, exacerbating electromagnetic environmental pollution and high-frequency impact. The electromagnetic compatibility measures in the existing technology mainly use closed metal cabinets, but they cannot meet the requirements of modular design, heat dissipation, electromagnetic interference and fault isolation between modules, and rapid replacement of high-voltage and high-power systems. Summary of the invention

[0003] In view of the above problems, the present invention proposes a high-voltage electromagnetic compatibility isolation cabinet, which, by setting up a number of independent sub-cabinet modules in a large cabinet, can isolate the electromagnetic interference and fault interference between modules inside the system, facilitate quick inspection and replacement of sub-cabinet modules, etc.

[0004] In order to achieve the above technical objectives and the above technical effects, the present invention is implemented through the following technical solutions:

[0005] A high-voltage electromagnetic compatibility isolation cabinet, comprising:

[0006] A large cabinet body, wherein the large cabinet body is provided with a cabinet door;

[0007] A plurality of sub-cabinet modules with the same structure, wherein the sub-cabinet modules are arranged inside the large cabinet, and there is a first gap between the sub-cabinet modules and the large cabinet, and there is a second gap between adjacent sub-cabinet modules; the large cabinet and the sub-cabinet modules are both made of metal materials;

[0008] The heat dissipation component includes an exhaust fan, a heat transfer component and a heat dissipation pipe; the exhaust fan is arranged on the first inner wall of the large cabinet, and the heat transfer component is arranged inside the large cabinet to form an isolation space together with the first inner wall; the heat dissipation pipe is arranged in the large cabinet except the isolation space, and it passes through the first gap and the second gap, and partially contacts with the heat transfer component.

[0009] As a further improvement of the present invention, the coolant arranged in the heat dissipation pipeline is kerosene.

[0010] As a further improvement of the present invention, the sub-cabinet modules are provided with slide rails, and the positions on the large cabinet corresponding to the sub-cabinet modules are provided with sliders matching the slide rails.

[0011] As a further improvement of the present invention, the cross-section of the sub-cabinet module is rectangular, including a first surface, a second surface, a third surface, a fourth surface, a fifth surface and a sixth surface, wherein the first surface, the second surface, the third surface, the fourth surface and the fifth surface are integrally formed, and the four sides of the sixth surface are respectively movably connected to the ends of the first surface, the second surface, the third surface and the fourth surface.

[0012] As a further improvement of the present invention, the four edges of the sixth surface are respectively connected to the ends of the first surface, the second surface, the third surface, and the fourth surface through screws.

[0013] As a further improvement of the present invention, the heights of the sub-cabinet modules are different.

[0014] As a further improvement of the present invention, an aviation plug is provided on the wall of the sub-cabinet module, and the aviation plug is used to connect to the wires and cables arranged in the sub-cabinet module.

[0015] As a further improvement of the present invention, the heat transfer member is an aluminum plate.

[0016] As a further improvement of the present invention, the first wall is a top wall of the large cabinet.

[0017] As a further improvement of the present invention, the plurality of sub-cabinet modules with the same structure are arranged in the large cabinet at equal intervals from top to bottom.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] The high-voltage electromagnetic compatibility isolation cabinet proposed by the present invention has the advantages of isolating electromagnetic interference and fault interference between sub-cabinet modules in the system by setting up a plurality of independent sub-cabinet modules in the large cabinet, and facilitating quick inspection and replacement of sub-cabinet modules. At the same time, a special heat dissipation component is designed in the large cabinet to ensure the heat dissipation effect of the cabinet. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A schematic diagram of the structure of an embodiment of the present invention;

[0021] Figure 2 The figure is a schematic structural diagram of a single sub-cabinet module with a slide rail according to an embodiment of the present invention. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the scope of protection of the present invention.

[0023] The application principle of the present invention is described in detail below in conjunction with the accompanying drawings.

[0024] Example 1

[0025] like Figure 1-2 As shown, the present invention provides a high-voltage electromagnetic compatibility isolation cabinet, comprising:

[0026] A large cabinet 1, wherein the large cabinet 1 is provided with a cabinet door 2; the large cabinet 1 is made of a metal material; in actual process, a sealing member should be provided on the cabinet door 2 to ensure the sealing performance between the cabinet door 2 and the large cabinet 1;

[0027] A plurality of sub-cabinet modules 3 with the same structure, wherein the sub-cabinet modules 3 are arranged inside the large cabinet 1, and there is a first gap 4 between the sub-cabinet modules 3 and the large cabinet 1, and there is a second gap 5 between adjacent sub-cabinet modules 3; in a preferred implementation of the present embodiment, the cross-section of the sub-cabinet module 3 is rectangular, including a first surface, a second surface, a third surface, a fourth surface, a fifth surface and a sixth surface, wherein the first surface, the second surface, the third surface, the fourth surface and the fifth surface are integrally formed, and the four sides of the sixth surface are movably connected to the ends of the first surface, the second surface, the third surface and the fourth surface, respectively, and preferably, the first surface The four sides of the six faces are respectively connected to the ends of the first face, the second face, the third face, and the fourth face by screws to form a closed space; the sub-cabinet module 3 is made of metal material; the wiring installed in each sub-cabinet module 3 is the same or different to complete the same or different work, so that the high-voltage electromagnetic compatibility isolation cabinet in the present invention is suitable for a modular design system; the height of each sub-cabinet module 3 can be the same or different, so as to be suitable for functional modules of different heights; a handle 8 is provided on the side of each sub-cabinet module 3 close to the upper cabinet door 2 of the large cabinet 1, so as to facilitate pushing and pulling the sub-cabinet module 3;

[0028] A heat dissipation component, which includes an exhaust fan (not shown in the figure), a heat transfer member 6 and a heat dissipation pipe 7; the exhaust fan is arranged on the first inner wall of the large cabinet 1, and the heat transfer member 6 is arranged inside the large cabinet 1 to form an isolation space together with the first inner wall; the heat dissipation pipe 7 is arranged in the large cabinet 1 except for the isolation space, and is passed through the first gap 4 and the second gap 5, and is partially in contact with the heat transfer member 6. The heat in the heat dissipation pipe 7 is transferred to the heat transfer member 6, and finally the heat is discharged from the large cabinet by the exhaust fan to achieve heat dissipation; preferably, the coolant arranged in the heat dissipation pipe 7 is kerosene, which can greatly reduce the freezing point and increase the boiling point, thereby improving the cooling effect of the heat dissipation component; the heat transfer member 6 is an aluminum plate; the first wall is the top wall of the large cabinet 1; the plurality of sub-cabinet modules 3 with the same structure are arranged in the large cabinet 1 at equal intervals from top to bottom.

[0029] In summary:

[0030] The high-voltage electromagnetic compatibility isolation cabinet in this embodiment can shield the electromagnetic interference of the system to the outside world and the outside world to the system because the large cabinet is a closed cabinet made of metal; the sub-cabinet modules 3 of each layer can shield the mutual electromagnetic interference between the layers inside the system, and can also isolate the serious impact and interference of module failure explosion, arc, current, etc. on other healthy modules, and avoid secondary damage to other components due to damage to individual components; and the large cabinet and the sub-cabinet modules 3 of each layer are supported by metal materials, which is more conducive to heat dissipation. At the same time, a special heat dissipation component is designed in the large cabinet 1 to ensure the heat dissipation effect of the cabinet.

[0031] Example 2

[0032] The difference between this embodiment and embodiment 1 is that a slide rail 9 is provided on the sub-cabinet module 3, and a slider matching the slide rail 9 is provided at a position corresponding to each sub-cabinet module 3 on the large cabinet 1, so that each sub-cabinet module 3 can be quickly pushed into or pulled out from the large cabinet 1, which facilitates the inspection of each sub-cabinet module 3 and makes replacement of a faulty sub-cabinet module 3 faster.

[0033] The above and some parts are the same as those in Example 1.

[0034] Example 3

[0035] The difference between this embodiment and Embodiment 1 or Embodiment 2 is that an aviation plug (not shown in the figure) is provided on the wall of the sub-cabinet module 3 , and the aviation plug is used to connect to the wires and cables provided in the sub-cabinet module 3 .

[0036] The above and some parts are the same as those in Example 1 or Example 2.

[0037] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A high voltage electromagnetic compatibility isolation cabinet, characterized in that: include: A large cabinet body, wherein the large cabinet body is provided with a cabinet door; A plurality of sub-cabinet modules with the same structure, wherein the sub-cabinet modules are arranged inside the large cabinet, and there is a first gap between the sub-cabinet modules and the large cabinet, and there is a second gap between adjacent sub-cabinet modules; the large cabinet and the sub-cabinet modules are both made of metal materials; A heat dissipation component, the heat dissipation component comprising an exhaust fan, a heat transfer element and a heat dissipation pipe; the exhaust fan is arranged on the first inner wall of the large cabinet, the heat transfer element is arranged inside the large cabinet, and together with the first inner wall, forms an isolation space; the heat dissipation pipe is arranged in the large cabinet except for the isolation space, and is passed through the first gap and the second gap, and partially contacts with the heat transfer element, the heat in the heat dissipation pipe is transferred to the heat transfer element, and finally the heat is discharged from the large cabinet by the exhaust fan; The coolant arranged in the heat dissipation pipeline is kerosene; The sub-cabinet modules are provided with slide rails, and the positions on the large cabinet corresponding to the sub-cabinet modules are provided with sliders matching the slide rails; The heights of the sub-cabinet modules are different.

2. A high voltage electromagnetic compatibility isolation cabinet according to claim 1, characterized in that: The cross-section of the sub-cabinet module is rectangular, and includes a first surface, a second surface, a third surface, a fourth surface, a fifth surface and a sixth surface, wherein the first surface, the second surface, the third surface, the fourth surface and the fifth surface are integrally formed, and the four sides of the sixth surface are movably connected to the ends of the first surface, the second surface, the third surface and the fourth surface respectively.

3. A high voltage electromagnetic compatibility isolation cabinet according to claim 2, characterized in that: The four sides of the sixth surface are respectively connected with the ends of the first surface, the second surface, the third surface and the fourth surface through screws.

4. A high voltage electromagnetic compatibility isolation cabinet according to claim 1, characterized in that: An aviation plug is arranged on the wall of the sub-cabinet module, and the aviation plug is used to be connected with the wires and cables arranged in the sub-cabinet module.

5. The high voltage electromagnetic compatibility isolation cabinet according to claim 1, characterized in that: The first inner wall is the top wall of the large cabinet.

6. A high voltage electromagnetic compatibility isolation cabinet according to claim 1, characterized in that: The heat transfer member is an aluminum plate.

7. The high voltage electromagnetic compatibility isolation cabinet according to claim 1, characterized in that: The plurality of sub-cabinet modules with the same structure are arranged in the large cabinet at equal intervals from top to bottom.

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