Electric power cabinet with good ventilation performance

Abstract

The utility model provides an electric power cabinet with good ventilation performance, which comprises a cabinet body, a top plate and a back plate, and the top plate is integrated at the top of the cabinet body. Compared with the prior art, the cabinet has the advantages that the large-size flange and the side machine structure are designed, the side machine is provided with the multiple air channels, the multiple fans are installed on the top plate, when the fans are started, external air enters the cabinet body from the multiple air channels, takes away heat in the cabinet body and is discharged from the air outlet ends of the fans, the air inlet amount of the cabinet body is greatly increased, and the service life of the cabinet body is prolonged. Due to the fact that the air inlet amount is large and dust entering the cabinet body is large, the detachable filter layer, the positioning plate and the handle structure are designed, the filter layer is a filter cotton layer, dust in air to enter the cabinet body can be effectively filtered and intercepted, and the power cabinet can meet the requirement for large air inlet amount to conduct ventilation and heat dissipation on the cabinet body. And dust in air to enter the cabinet body can be filtered, so that the heat dissipation requirement of the cabinet body in a high-load state is met, and equipment in the cabinet body can be protected from being damaged by the dust.

Description

Technical Field

[0001] The utility model relates to the technical field of power cabinets, in particular to a power cabinet with good ventilation performance. Background Art

[0002] A power cabinet is a device used for power distribution and control. It is an enclosed, metal-made device, usually placed in the power room of a building or industrial facility. It contains various electrical components inside, such as circuit breakers, switches, contactors, fuses, transformers, etc. These components work together to distribute power to different loads or devices.

[0003] In the prior art, a power cabinet is generally configured with a cooling fan and several small air inlets on the side. Air enters the power cabinet from the air inlets, and the air outlet end of the cooling fan blows out air to take away part of the heat in the power cabinet. However, with such a structural design, when the power cabinet is in a high-load state, its heat dissipation requirements cannot be met, so improvements are needed. Summary of the Utility Model

[0004] The purpose of the utility model aims to solve at least one of the above technical defects.

[0005] Therefore, an object of the utility model is to provide a power cabinet with good ventilation performance to solve the problems mentioned in the background art and overcome the deficiencies in the prior art.

[0006] To achieve the above object, an embodiment of one aspect of the utility model provides a power cabinet with good ventilation performance, including a cabinet body, a top plate, and a back plate. The top plate is integrated at the top of the cabinet body, and several fans are integrated on the top plate, with the air outlet ends of the fans facing upward;

[0007] The back plate is integrated at the back of the cabinet body, and a horizontal rail is installed on the front surface of the back plate;

[0008] Several vertical rails are fixedly connected to the inner side of the cabinet body. A layer board is detachably connected to the vertical rails. There is a gap between the back of the layer board and the front surface of the back plate, and several ventilation holes are opened on the layer board;

[0009] A cabinet door is movably connected to the front of the cabinet body;

[0010] A flange is detachably connected to the side of the cabinet body. One side of the flange is fixedly connected to a side machine. Several air ducts are opened inside the side machine. The air ducts are separated by partition plates, and the ends of the air ducts communicate with the inside of the cabinet body;

[0011] A filter layer is inserted into the front of the side machine. The side of the filter layer is detachably connected to a positioning plate. The positioning plate is detachably connected to the front of the side machine, and a handle is fixedly connected to the front surface of the positioning plate.

[0012] Preferably, according to any of the above solutions, the cabinet body is formed by riveting a plurality of cold-rolled steel plates, and two rows of fans are arranged on the top plate.

[0013] Adopting the above technical solution: In this power cabinet device, the function of the horizontal rails on the back plate is that electrical components and equipment need to be installed on the back plate, and the horizontal rails provide installation points and fixed positions for these components.

[0014] The laminates divide the internal space of the power cabinet into different areas for placing different types of electrical components and equipment.

[0015] Preferably, according to any of the above solutions, the air inlet end of the fan faces the inside of the cabinet body, and the laminates are installed on the vertical rails by screws.

[0016] Adopting the above technical solution: In this power cabinet device, there is a busbar system inside. The busbar system connects each electrical component by bolts or other connection methods to achieve the distribution and transmission of electric energy; there are various electrical components inside the power cabinet, including circuit breakers, disconnectors, load switches, fuses, instrument transformers, capacitors, etc. The power cabinet is connected to the external power grid or electrical equipment through cables. The cables enter the power cabinet through the cable chamber and are connected to the internal electrical components. Various meters and monitoring devices are installed inside the power cabinet, such as ammeters, voltmeters, wattmeters, and thermometers. Ventilation and heat dissipation devices are installed in the power cabinet, such as a plurality of fans, flanges, side machines, air ducts, filter layers, positioning plates, and handles. A grounding device is also provided inside the power cabinet to ensure that the electrical components and the cabinet body can be reliably grounded.

[0017] Preferably, according to any of the above solutions, the ventilation holes penetrate through the laminates, and door locks are provided on the cabinet doors.

[0018] Preferably, according to any of the above solutions, the flange is connected to the side of the cabinet body by screws, the flange is integrally welded with the side machine, and the air duct is arranged horizontally.

[0019] Adopting the above technical solution: The core structure of this device is: a laminate, ventilation holes, a fan, a flange, a side machine, an air duct, a filter layer, a positioning plate, and a handle. The core advantages of this device are: A large-width gap is provided between the back of the laminate and the front of the back panel for ventilation, and the laminates can also be ventilated through the ventilation holes. A large-sized flange and side machine structure are designed. Several air ducts are provided on the side machine, and several fans are installed on the top plate. When the fans are started, external air enters the cabinet through several air ducts, takes away the heat in the cabinet, and then exits from the air outlet end of the fans, greatly increasing the air intake of the cabinet. Since the large air intake also brings in a large amount of dust into the cabinet, a detachable filter layer, positioning plate, and handle structure are designed. The filter layer is a filter cotton layer, which can effectively filter and intercept the dust in the air to be entered into the cabinet. Thus, while this power cabinet meets the requirement of a large air intake for ventilation and heat dissipation of the cabinet, it can also filter the dust in the air to be entered into the cabinet, meeting the heat dissipation needs of the cabinet under high-load conditions. At the same time, it can also protect the equipment inside the cabinet from dust damage.

[0020] Preferably, according to any of the above solutions, the filter layer is composed of an external frame and an internal filter cotton layer, and the external frame is bonded to the positioning plate.

[0021] Preferably, according to any of the above solutions, the positioning plate and the side machine are connected by internal hexagonal bolts at the ends.

[0022] Compared with the prior art, the advantages and beneficial effects of this utility model are:

[0023] This power cabinet with good ventilation performance is provided with a combination of a laminate, ventilation holes, a fan, a flange, a side machine, an air duct, a filter layer, a positioning plate, and a handle. A large-width gap is provided between the back of the laminate and the front of the back panel for ventilation, and the laminates can also be ventilated through the ventilation holes. A large-sized flange and side machine structure are designed. Several air ducts are provided on the side machine, and several fans are installed on the top plate. When the fans are started, external air enters the cabinet through several air ducts, takes away the heat in the cabinet, and then exits from the air outlet end of the fans, greatly increasing the air intake of the cabinet. Since the large air intake also brings in a large amount of dust into the cabinet, a detachable filter layer, positioning plate, and handle structure are designed. The filter layer is a filter cotton layer, which can effectively filter and intercept the dust in the air to be entered into the cabinet. Thus, while this power cabinet meets the requirement of a large air intake for ventilation and heat dissipation of the cabinet, it can also filter the dust in the air to be entered into the cabinet, meeting the heat dissipation needs of the cabinet under high-load conditions. At the same time, it can also protect the equipment inside the cabinet from dust damage.

[0024] The additional aspects and advantages of this utility model will be partially given in the following description, partially become obvious from the following description, or be understood through the practice of this utility model. Description of the Drawings

[0025] The above and / or additional aspects and advantages of the present utility model will become apparent and be readily understood from the description of the embodiments in conjunction with the following drawings, where:

[0026] Figure 1 is a schematic structural diagram of the present utility model;

[0027] Figure 2 is a schematic structural diagram of the first perspective inside the present utility model;

[0028] Figure 3 is a schematic structural diagram of the second perspective inside the present utility model;

[0029] Figure 4 is the present utility model Figure 1 is an enlarged schematic structural diagram of part A in the present utility model.

[0030] In the figure: 1 - cabinet body, 2 - top plate, 3 - back plate, 4 - fan, 5 - horizontal rail, 6 - vertical rail, 7 - shelf, 8 - ventilation hole, 9 - cabinet door, 10 - flange, 11 - side machine, 12 - air duct, 13 - positioning plate, 14 - handle, 15 - filter layer. Detailed implementation manners

[0031] The embodiments of the present utility model will be described in detail below. The examples of the embodiments are shown in the drawings, where the same or similar reference numerals denote the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the present utility model, and should not be construed as a limitation to the present utility model.

[0032] In the present utility model, unless otherwise clearly specified and defined, terms such as "installation", "connection", "connection", "fixation" and the like shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0033] As Figures 1-4 shown, this power cabinet with good ventilation performance includes a cabinet body 1, a top plate 2, and a back plate 3. The top of the cabinet body 1 is integrated with the top plate 2, and several fans 4 are integrated on the top plate 2, with the air outlet end of the fan 4 facing upwards;

[0034] The back of the cabinet body 1 is integrated with the back plate 3, and a horizontal rail 5 is installed on the front of the back plate 3;

[0035] A number of vertical rails 6 are fixedly connected to the inner side of the cabinet body 1. A layer board 7 is detachably connected to the vertical rails 6. There is a gap between the back of the layer board 7 and the front of the back board 3. A number of ventilation holes 8 are provided on the layer board 7;

[0036] The front of the cabinet body 1 is movably connected with a cabinet door 9;

[0037] A flange 10 is detachably connected to the side of the cabinet body 1. One side of the flange 10 is fixedly connected with a side machine 11. A number of air ducts 12 are provided inside the side machine 11. The air ducts 12 are separated by partitions. The ends of the air ducts 12 communicate with the inside of the cabinet body 1;

[0038] A filter layer 15 is inserted into the front of the side machine 11. One side of the filter layer 15 is detachably connected with a positioning plate 13. The positioning plate 13 is detachably connected to the front of the side machine 11. A handle 14 is fixedly connected to the front of the positioning plate 13.

[0039] Embodiment 1: The cabinet body 1 is formed by riveting a number of cold-rolled steel plates. Two rows of fans 4 are provided on the top board 2. In this power cabinet device, the function of the cross rails 5 of the back board 3 is that electrical components and equipment need to be installed on the back board 3, and the cross rails 5 provide installation points and fixed positions for these components. The layer board 7 divides the internal space of the power cabinet into different areas for placing different types of electrical components and equipment. The air inlet end of the fan 4 faces the inside of the cabinet body 1. The layer board 7 is installed on the vertical rails 6 by screws.

[0040] Embodiment 2: The ventilation holes 8 penetrate through the layer board 7. A door lock is provided on the cabinet door 9. The flange 10 is connected to the side of the cabinet body 1 by screws. The flange 10 and the side machine 11 are integrally welded. The air ducts 12 are arranged horizontally. The filter layer 15 is composed of an external frame and an internal filter cotton layer, and the external frame is bonded to the positioning plate 13. The positioning plate 13 and the side machine 11 are connected by internal hexagonal bolts at the ends.

[0041] The positioning plate 13 is detachable, so that the filter layer 15 can be pulled out to replace and clean the filter layer 15 to ensure its good dust filtering ability.

[0042] The working principle of the present utility model is as follows:

[0043] This power cabinet device has a busbar system inside. The busbar system connects various electrical components through bolts or other connection methods to achieve the distribution and transmission of electric energy. There are various electrical components inside the power cabinet, including circuit breakers, disconnectors, load switches, fuses, instrument transformers, capacitors, etc. The power cabinet is connected to the external power grid or electrical equipment through cables. The cables enter the power cabinet through the cable chamber and are connected to the internal electrical components. Various meters and monitoring devices are installed inside the power cabinet, such as ammeters, voltmeters, wattmeters, and thermometers. The power cabinet is equipped with ventilation and heat dissipation devices, such as several fans 4, flanges 10, side machines 11, air ducts 12, filter layers 15, positioning plates 13, and handles 14. An earthing device is also provided inside the power cabinet to ensure reliable earthing of the electrical components and the cabinet body 1.

[0044] Compared with the prior art, the present utility model has the following beneficial effects over the prior art:

[0045] In this power cabinet with good ventilation performance, through the cooperative setting of the layer board 7, ventilation holes 8, fans 4, flanges 10, side machines 11, air ducts 12, filter layers 15, positioning plates 13, and handles 14, a large-width gap is provided between the back of the layer board 7 and the front of the back board 3 for ventilation, and the layer boards 7 can also be ventilated through the ventilation holes 8. Large-sized flange 10 and side machine 11 structures are designed. A number of air ducts 12 are provided on the side machine 11, and several fans 4 are installed on the top board 2. When the fans 4 are started, external air enters the cabinet body 1 through the several air ducts 12, takes away the heat in the cabinet body 1, and then exits from the air outlet end of the fans 4, greatly increasing the air intake volume of the cabinet body 1. Since the large air intake volume also brings in a large amount of dust into the cabinet body 1, a detachable filter layer 15, positioning plate 13, and handle 14 structure is designed. The filter layer 15 is a filter cotton layer, which can effectively filter and intercept the dust in the air to be entered into the cabinet body 1. Thus, while this power cabinet meets the requirement of a large air intake volume for ventilating and dissipating heat from the cabinet body 1, it can also filter the dust in the air to be entered into the cabinet body 1, meeting the heat dissipation needs of the cabinet body 1 under high-load conditions. At the same time, it can also protect the equipment inside the cabinet body 1 from dust damage.

Claims

1. A power cabinet with good ventilation performance, characterized in that, It includes a cabinet body (1), a top plate (2), and a back plate (3). The top of the cabinet body (1) is integrated with the top plate (2). A number of fans (4) are integrated on the top plate (2), and the air outlet ends of the fans (4) face upward. The back of the cabinet body (1) is integrated with the back plate (3), and a horizontal rail (5) is installed on the front of the back plate (3). A number of vertical rails (6) are fixedly connected to the inside of the cabinet body (1). A layer board (7) is detachably connected to the vertical rails (6). There is a gap between the back of the layer board (7) and the front of the back plate (3). A number of ventilation holes (8) are opened on the layer board (7). A cabinet door (9) is movably connected to the front of the cabinet body (1). A flange (10) is detachably connected to the side of the cabinet body (1). One side of the flange (10) is fixedly connected to a side machine (11). A number of air ducts (12) are opened inside the side machine (11). The air ducts (12) are separated by partitions. The ends of the air ducts (12) communicate with the inside of the cabinet body (1). A filter layer (15) is plugged into the front of the side machine (11). One side of the filter layer (15) is detachably connected to a positioning plate (13). The positioning plate (13) is detachably connected to the front of the side machine (11). A handle (14) is fixedly connected to the front of the positioning plate (13).

2. The power cabinet with good ventilation performance according to claim 1, characterized in that: The cabinet body (1) is formed by riveting a number of cold-rolled steel plates. The fans (4) are arranged in two columns on the top plate (2).

3. The power cabinet with good ventilation performance according to claim 2, wherein: The air inlet ends of the fans (4) face the inside of the cabinet body (1). The layer board (7) is installed on the vertical rails (6) by screws.

4. The power cabinet with good ventilation performance according to claim 3, characterized in that: The ventilation holes (8) penetrate the layer board (7). A door lock is provided on the cabinet door (9).

5. The power cabinet with good ventilation performance according to claim 4, characterized in that: The flange (10) is connected to the side of the cabinet body (1) by screws. The flange (10) and the side machine (11) are integrally welded. The air ducts (12) are arranged horizontally.

6. The power cabinet with good ventilation performance according to claim 5, characterized in that: The filter layer (15) is composed of an external frame and an internal filter cotton layer, and the external frame is bonded to the positioning plate (13).

7. The power cabinet with good ventilation performance according to claim 6, wherein: The positioning plate (13) and the side machine (11) are connected by an internal hexagonal bolt at the end.

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