Pre-magnetizing switch cabinet

Abstract

The utility model provides a pre-magnetizing switch cabinet, which comprises a pre-magnetizing transformer chamber, a primary component chamber and a secondary component chamber, the pre-magnetizing transformer chamber, the primary component chamber and the secondary component chamber are arranged in parallel along the length direction of the pre-magnetizing switch cabinet, the pre-magnetizing transformer chamber is adjacent to the primary component chamber, and the secondary component chamber is adjacent to the primary component chamber. The primary component chamber is adjacent to the secondary component chamber, a first ventilation chamber is arranged above the pre-magnetizing transformer chamber, the first ventilation chamber is communicated with the outside, a second ventilation chamber is arranged below the primary component chamber, and the second ventilation chamber is communicated with the outside. According to the pre-magnetizing switch cabinet provided by the utility model, the first ventilation chamber and the second ventilation chamber are arranged, so that the heat dissipation performance of the pre-magnetizing transformer chamber is improved; the connection module chamber is arranged, so that maintenance of maintenance personnel is facilitated; and by arranging the dustproof net cover, the adaptability of the pre-magnetizing switch cabinet to a sand and dust environment is improved.

Description

Technical Field

[0001] This utility model relates to the field of power technology, and in particular to a pre-charged magnet switch cabinet. Background Technology

[0002] A pre-magnetized switchgear, also called a pre-magnetized cabinet, is used to magnetize the main transformer in the main circuit, limit the inrush current when the main transformer is closed, and protect the circuit. CN213043359U discloses a pre-magnetized cabinet, which divides the cabinet into three compartments: a secondary component compartment, a primary component compartment, and a pre-magnetized transformer compartment.

[0003] This invention aims to improve the aforementioned pre-charged magnetic cabinet, enhancing its heat dissipation performance and safety. Utility Model Content

[0004] This invention aims to provide a pre-magnetized switch cabinet to improve its heat dissipation performance and safety.

[0005] This utility model provides a pre-magnetized switch cabinet, including a pre-magnetized transformer chamber, a primary component chamber, and a secondary component chamber. The pre-magnetized transformer chamber, the primary component chamber, and the secondary component chamber are arranged side by side along the length of the pre-magnetized switch cabinet. The pre-magnetized transformer chamber is adjacent to the primary component chamber, and the primary component chamber is adjacent to the secondary component chamber. A first ventilation chamber is provided above the pre-magnetized transformer chamber and is connected to the outside. A second ventilation chamber is provided below the primary component chamber and is connected to the outside.

[0006] Furthermore, a connection module room is provided in the first ventilation room or the second ventilation room. The connection module room is used to house the connection module between the pre-magnetized transformer room and the primary component room.

[0007] Among them, the side plate of the primary component chamber adjacent to the pre-magnetized transformer chamber is an insulating plate, the side plate of the secondary component chamber adjacent to the primary component chamber is an insulating plate, the side plate of the pre-magnetized transformer chamber is a heat-conducting plate, and the side plate of the pre-magnetized transformer chamber is a metal plate.

[0008] Furthermore, a pipework arrangement is installed in the first or second ventilation chamber.

[0009] Furthermore, a water-cooled pipe is installed in the first or second ventilation chamber near the pre-magnetized transformer chamber, and the water-cooled pipe is circulated with flowing water for heat exchange.

[0010] Furthermore, a dust filter screen is installed at the ventilation opening of the first or second ventilation chamber.

[0011] Furthermore, a third ventilation chamber is installed below the pre-magnetized transformer chamber.

[0012] Furthermore, a dustproof mesh cover is installed around the pre-charged magnetic switch cabinet. The dustproof mesh cover is composed of dustproof mesh and surrounds and covers the pre-charged magnetic switch cabinet. The dustproof mesh cover has a door.

[0013] The pre-magnetized switchgear provided by this utility model improves the heat dissipation performance of the pre-magnetized transformer chamber by setting up a first ventilation chamber and a second ventilation chamber; facilitates maintenance personnel's inspection by setting up a connection module chamber; and improves the adaptability of the pre-magnetized switchgear to sandy and dusty environments by setting up a dustproof mesh cover. Attached Figure Description

[0014] Figure 1 The diagram shown is a structural schematic of a pre-magnetized switch cabinet according to an embodiment of the present invention.

[0015] Figure 2 The diagram shown is a structural schematic of a pre-magnetized switch cabinet according to another embodiment of the present invention.

[0016] Figure 3 The diagram shown is a structural schematic of a pre-charged magnetizing switch cabinet according to another embodiment of the present invention.

[0017] Figure label:

[0018] 100: Pre-charged magnet switchgear;

[0019] 11: Primary component compartment; 111: Side panel; 12: Secondary component compartment; 121: Side panel;

[0020] 2: Pre-magnetized transformer compartment; 21: Pre-magnetized transformer; 22: Side plate;

[0021] 31: First ventilation room; 32: Second ventilation room; 33: Third ventilation room;

[0022] 41: First connecting module compartment; 42: Second connecting module compartment;

[0023] 5: Piping; 6: Water cooling pipe; 7: Dust filter; 8: Dustproof mesh cover. Detailed Implementation

[0024] To provide a better understanding of the purpose, structure, features, and functions of this utility model, detailed descriptions are provided below with reference to specific embodiments.

[0025] Figure 1 The diagram shown is a structural schematic of a pre-magnetized switch cabinet according to an embodiment of the present invention. Figure 2 The diagram shown is a structural schematic of a pre-magnetized switch cabinet according to another embodiment of the present invention. Figure 3 The diagram shown is a structural schematic of a pre-charged magnetizing switch cabinet according to another embodiment of the present invention.

[0026] Figure 1The diagram shown is a structural schematic of a pre-charged magnetizing switch cabinet according to an embodiment of this utility model. Figure 1 As shown, this embodiment of the utility model provides a pre-magnetized switch cabinet 100, including a pre-magnetized transformer chamber 2, a primary component chamber 11, and a secondary component chamber 12. The pre-magnetized transformer chamber 2, the primary component chamber 11, and the secondary component chamber 12 are arranged side-by-side along the length of the pre-magnetized switch cabinet 100. The pre-magnetized transformer chamber 2 is adjacent to the primary component chamber 11, and the primary component chamber 11 is adjacent to the secondary component chamber 12. A first ventilation chamber 31 is provided above the pre-magnetized transformer chamber 2, and the first ventilation chamber 31 communicates with the outside. A second ventilation chamber 32 is provided below the primary component chamber 11, and the second ventilation chamber 32 communicates with the outside. Figure 1 For ease of display, the door to the primary component room 11 is shown, while the door to the pre-magnetized transformer room 2 is not shown. Primary components are devices that directly produce, transmit, distribute, and use electrical energy, such as contactors and circuit breakers; secondary components are elements that are not directly connected to the busbar and perform functions such as control, protection, metering, and indicator lights, such as low-voltage instruments.

[0027] In the pre-magnetized switchgear 100, the pre-magnetized transformer chamber 2 is the main heat-generating chamber. To facilitate heat dissipation in the pre-magnetized transformer chamber 2, the pre-magnetized transformer chamber 2, the primary component chamber 11, and the secondary component chamber 12 are arranged side-by-side, but the pre-magnetized transformer chamber 2 and the primary component chamber 11 are staggered. A first ventilation chamber 31 is provided above the pre-magnetized transformer chamber 2, and a second ventilation chamber 32 is provided below the primary component chamber 11. Figure 1 In the illustrated embodiment, both ends of the first ventilation chamber 31 and the second ventilation chamber 32 are connected to the outside and open to the outside. Therefore, neither the first ventilation chamber 31 nor the second ventilation chamber 32 is provided with doors or walls, and they are in an open state. Thus, the first ventilation chamber 31 and the second ventilation chamber 32 can ventilate to the outside and carry away the heat generated by the pre-charged transformer chamber 2 by convection.

[0028] exist Figure 1 In the illustrated embodiment, the side plate 111 of the primary component chamber 11 adjacent to the pre-magnetized transformer chamber 2 is an insulating plate, and the side plate 121 of the secondary component chamber 12 adjacent to the primary component chamber 11 is an insulating plate. The insulating plates are designed to protect the safety of maintenance personnel. The side plate 22 of the pre-magnetized transformer chamber 2 is a heat-conducting plate, such as a metal plate, designed to facilitate heat dissipation from the pre-magnetized transformer chamber 2.

[0029] like Figure 1As shown, a first connection module chamber 41 is provided in the first ventilation chamber 31, and a second connection module chamber 42 is provided in the second ventilation chamber 32. The first connection module chamber 41 and the second connection module chamber 42 are for housing the connection modules between the primary component chamber 11 and the pre-magnetized transformer chamber 2. There are electrical or signal connections between the primary component chamber 11 and the pre-magnetized transformer chamber 2. The connection modules are for housing these connections. Alternatively, only the first connection module chamber 41 or the second connection module chamber 42 may be provided as needed. For example, the first or second connection module chamber may be provided in either the first ventilation chamber 31 or the second ventilation chamber 32, and the first or second connection module chamber may be used to house the connection modules between the pre-magnetized transformer chamber 2 and the primary component chamber 11. The reason for providing the first connection module chamber 41 and / or the second connection module chamber 42 is also to facilitate maintenance personnel's repairs. For example, as... Figure 1 As shown, the first connection module chamber 41 and the second connection module chamber 42 are equipped with doors. When it is necessary to inspect and maintain the electrical or signal connection between the primary component chamber 11 and the pre-magnetized transformer chamber 2, the door of the first connection module chamber 41 or the second connection module chamber 42 can be opened directly for inspection, whereas previously the pre-magnetized transformer chamber 2 had to be opened for inspection. By setting the first connection module chamber 41 and the second connection module chamber 42, inspection and maintenance are facilitated, and the impact on the pre-magnetized transformer 21 during maintenance is reduced.

[0030] Furthermore, such as Figure 1 As shown, a pipe arrangement 5 is installed in either the first ventilation chamber 31 or the second ventilation chamber 32. As previously mentioned, the first and second ventilation chambers 31 and 32 are already connected to the outside. The installation of the pipe arrangement 5 serves two purposes: firstly, it effectively reduces the pipe diameter, which is beneficial for increasing the convective air velocity; secondly, it effectively increases the surface area, thereby increasing the heat exchange area and improving the heat exchange effect on the pre-magnetized transformer chamber 2. To further improve the heat exchange effect, such as... Figure 1 As shown, a water-cooled pipe 6 can be installed in the first ventilation chamber 31 or the second ventilation chamber 32 near the pre-magnetized transformer chamber 2. The water-cooled pipe 6 is circulated with flowing water for heat exchange. The water-cooled pipe 6 can be installed or not as needed, and the flowing water can be turned on only when the heat exchange pressure is high, and not turned on at other times.

[0031] Figure 2 The diagram shown is a structural schematic of a pre-charged magnetizing switch cabinet according to another embodiment of the present invention. Further, as... Figure 2As shown, a dust filter 7 is installed at the ventilation opening of the first ventilation chamber 31 or the second ventilation chamber 32. The dust filter 7 is installed to avoid the influence of sand and dust while ensuring ventilation and heat exchange. The dust filter can be installed in a suspended form for easy opening when needed, and can be installed in a hinged form when suspended. The dust filter 7 is installed to avoid affecting the connecting module chambers (first connecting module chamber 41 and second connecting module chamber 42) and the water cooling pipe 6, and bypasses the connecting module chambers and water cooling pipes.

[0032] Furthermore, such as Figure 2 As shown, a third ventilation chamber 33 is provided below the pre-magnetized transformer chamber 2 to improve heat dissipation of the pre-magnetized transformer chamber 2, enabling heat dissipation from both the top and bottom surfaces. Depending on the needs, pipe arrays 5 and / or water-cooling pipes 6 may also be installed in the third ventilation chamber 33.

[0033] Figure 3 The diagram shown is a structural schematic of a pre-charged magnetizing switch cabinet according to another embodiment of the present invention. Further, as... Figure 3 As shown, a dustproof mesh cover 8 is installed around the pre-charged magnetized switchgear 100. The dustproof mesh cover 8 is composed of dustproof mesh and surrounds and covers the pre-charged magnetized switchgear 100. The dustproof mesh cover 8 has a door. The dustproof mesh cover 8 can use common dustproof mesh materials, such as perforated mesh. The door on the dustproof mesh cover 8 is for the convenience of maintenance personnel. A single layer of dustproof mesh cover 8 may not be sufficient to block the intrusion of sand and dust. As needed, multiple layers of dustproof mesh covers can be installed to improve the ability to block sand and dust, thereby improving the adaptability of the pre-charged magnetized switchgear to sandy environments.

[0034] The pre-magnetized switchgear provided by this utility model improves the heat dissipation performance of the pre-magnetized transformer chamber by setting up a first ventilation chamber and a second ventilation chamber; facilitates maintenance personnel's inspection by setting up a connection module chamber; and improves the adaptability of the pre-magnetized switchgear to sandy and dusty environments by setting up a dustproof mesh cover.

[0035] In the description of this utility model, it should be understood that the terms "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" and their orientation or positional relationships are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0036] This utility model has been described by the above-described embodiments; however, these embodiments are merely examples for implementing this utility model. It must be noted that the disclosed embodiments do not limit the scope of this utility model. Conversely, any modifications and refinements made without departing from the spirit and scope of this utility model are within the scope of patent protection of this utility model.

Claims

1. A pre-magnetized switchgear, comprising a pre-magnetized transformer compartment, a primary component compartment, and a secondary component compartment. Its features are, The pre-magnetized transformer compartment, primary component compartment, and secondary component compartment are arranged side-by-side along the length of the pre-magnetized switchgear. The pre-magnetized transformer compartment is adjacent to the primary component compartment, and the primary component compartment is adjacent to the secondary component compartment. Above the pre-magnetized transformer room is a first ventilation chamber, which is connected to the outside. A second ventilation chamber is located below the primary component room, and the second ventilation chamber is connected to the outside.

2. Switchgear with pre-magnetization according to claim 1, characterized in that A connection module room is provided in the first ventilation room or the second ventilation room. The connection module room is used to house the connection module between the pre-magnetized transformer room and the primary component room.

3. Switchgear with pre-magnetization according to claim 1, characterized in that The side panel of the primary component compartment adjacent to the pre-magnetized transformer compartment is an insulating plate, the side panel of the secondary component compartment adjacent to the primary component compartment is an insulating plate, and the side panel of the pre-magnetized transformer compartment is a heat-conducting plate.

4. Switchgear according to claim 3, characterized in that The side panels of the pre-magnetized transformer compartment are made of metal.

5. The pre-magnetized switchgear of claim 1, wherein, Pipes are installed in the first or second ventilation chamber.

6. Switchgear pre-charged according to claim 5, characterized in that, Water-cooled pipes are installed in the first or second ventilation chamber near the pre-magnetized transformer chamber, and the water-cooled pipes are circulated with flowing water for heat exchange.

7. Switchgear according to claim 6, characterized in that Dust filters are installed at the ventilation openings of the first or second ventilation chamber.

8. The pre-magnetized switchgear of claim 1, wherein, A third ventilation chamber is set up below the pre-magnetized transformer chamber.

9. The pre-magnetized switchgear of claim 1, wherein, A dustproof mesh cover is installed around the pre-charged magnetic switch cabinet. The dustproof mesh cover is composed of dustproof mesh and surrounds and covers the pre-charged magnetic switch cabinet. The dustproof mesh cover has a door.

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