CN219286893U - Inlet wire cabinet and switch cabinet group - Google Patents

Abstract

The utility model belongs to the technical field of switchgear, in particular to an incoming line cabinet and a switch cabinet group. There is a bus bar room in the incoming line cabinet, and the main bus bar in the left and right directions and the overhead incoming line bus bar in the vertical direction are arranged in the bus bar room. There is a partition, and the minimum distance between the partition and the conductor of the main busbar and the conductor of the overhead busbar is not less than the minimum creepage distance. The utility model staggers the overhead incoming busbar and the main busbar arranged in the incoming line cabinet, and separates the main busbar and the overhead incoming busbar by setting a partition, so as to ensure that the maintenance personnel will not make mistakes when the main busbar is overhauled Touch the live incoming busbar to ensure the safety of personnel.

Description

A kind of incoming line cabinet and switch cabinet group

technical field

The utility model belongs to the technical field of switchgear, in particular to an incoming line cabinet and a switch cabinet group.

Background technique

There are many overhead lines in the substation, and the equipment in the substation adopts a segmented connection method when connected to the overhead lines. In the prior art, the overhead incoming bus connected to the overhead lines enters the main bus of the incoming cabinet from the top of the incoming cabinet In the room, the main busbar in the incoming cabinet is connected to the lateral busbar in the adjacent cabinet next to the incoming cabinet, and the incoming busbar in the incoming cabinet is set in the same warehouse as the main busbar. When the busbar is overhauled, pulling out the circuit breaker trolley can only cut off the power of the main busbar, and the overhead incoming busbar installed in the same warehouse as the main busbar is still in a charged state, which will pose a huge threat to the safety of operation and maintenance personnel.

Utility model content

The purpose of this utility model is to provide a line incoming cabinet to solve the technical problem of low safety in the prior art when the main bus is overhauled; the purpose of this utility model is also to provide a switch cabinet group to solve the above-mentioned question.

In order to achieve the above purpose, the technical solution of the incoming line cabinet provided by the utility model is: a busbar room is provided in the incoming line cabinet, and the main busbar in the left and right directions and the overhead incoming line busbar in the vertical direction are arranged in the busbar room. The main busbar in the line cabinet and the overhead incoming busbar are staggered in the front and rear directions and a partition is provided between them. The minimum distance between the partition and the conductor of the main busbar and the conductor of the overhead busbar is not less than the minimum leakage current distance.

The beneficial effect is that the overhead incoming busbar and the main busbar arranged in the incoming cabinet are staggered, and the main busbar is separated from the overhead incoming busbar by setting a partition, thereby ensuring that maintenance personnel will not Inadvertently touching the charged incoming busbar ensures the safety of personnel.

Further, the main busbar is arranged behind the overhead incoming busbar.

The beneficial effect is that only the position of the main bus in the cabinet is changed, and the position of the overhead incoming bus in the cabinet is not changed, which facilitates the connection between the overhead incoming bus and the overhead lines in the power system.

In order to achieve the above purpose, the technical solution of a new type of switchgear group provided by the utility model is: the switchgear group includes an incoming line cabinet in the middle and a set of lateral busbars arranged at least on one side of the incoming line cabinet, and the lateral busbars There are adjacent cabinets connected above, and there is a bus bar room in the incoming line cabinet. The main bus bar in the left and right directions and the overhead incoming line bus bar in the vertical direction are arranged in the bus bar room. There is a partition, the minimum distance between the partition and the conductor of the main busbar and the conductor of the overhead incoming busbar is not less than the minimum leakage distance, and the lateral busbar in the adjacent cabinet and the main busbar in the incoming cabinet are staggered forward and backward Arrangement, there is a connecting bus bar in the front and rear directions between the two for corresponding connection.

The beneficial effect is that the overhead incoming busbar and the main busbar arranged in the incoming cabinet are staggered, and the main busbar is separated from the overhead incoming busbar by setting a partition, thereby ensuring that maintenance personnel will not Inadvertently touching the live incoming busbar ensures the safety of personnel, and the lateral busbar and the main busbar are staggered forward and backward, so that the position of the lateral busbar in the original adjacent cabinet can not be changed, which is convenient for the switchgear group to connect with other equipment.

Further, adjacent cabinets are provided on both sides of the incoming cabinet, and lateral busbars are correspondingly provided in adjacent cabinets on each side, and the lateral busbars in adjacent cabinets on both sides are connected to the main busbars in the incoming cabinets. Stagger the layout front and back.

The beneficial effect is that the whole switch cabinet group can be connected with other equipment through the adjacent cabinets on both sides, so that the whole switch cabinet can be easily connected to the power system.

Further, the main busbar in the incoming cabinet is arranged behind the overhead incoming busbar.

The beneficial effect is that only the position of the main bus in the cabinet is changed, and the position of the overhead incoming bus in the cabinet is not changed, which facilitates the connection between the overhead incoming bus and the overhead lines in the power system.

Further, a bushing is provided outside the connecting busbar.

The beneficial effect is that the part of the main busbar between the incoming cabinet and the adjacent cabinet can be stably supported by arranging the bushing, so as to ensure that the main busbar between the incoming cabinet and the adjacent cabinet is well connected and well insulated.

Description of drawings

Fig. 1 is the internal structural diagram of the incoming line cabinet of the utility model embodiment 1;

Fig. 2 is the internal structure drawing of the adjacent cabinet of the utility model embodiment 1;

Fig. 3 is a schematic diagram of the trend of the main bus of the switchgear group according to Embodiment 1 of the utility model;

Explanation of reference signs:

1. Incoming cabinet; 11. Main busbar; 12. Overhead incoming busbar; 13. Partition; 2. Adjacent cabinet; 21. Lateral busbar; 3. Bushing.

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present utility model, and are not intended to limit the present utility model, that is, the described embodiments are only some embodiments of the present utility model, rather than all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without making creative efforts belong to the scope of protection of the present utility model.

It should be noted that possible terms such as "first" and "second" and other relative terms are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply these There is no actual relationship or order between entities or operations. Furthermore, terms such as "comprises," "comprising," or any other variation thereof are intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that includes a set of elements includes not only those elements, but also includes elements not expressly listed. Other elements mentioned above, or also include elements inherent in such process, method, article or equipment. Without further limitations, elements defined by the phrase "comprising a..." etc. do not preclude processes, methods including said elements.

In the description of the present utility model, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" that may appear should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection , or integrally connected; may be mechanically connected, may also be electrically connected; may be directly connected, may also be indirectly connected through an intermediary, or may be internal communication between two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood through specific situations.

In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the term "has" that may appear should be understood in a broad sense, for example, the object of "has" can be a part of the body, or It can be arranged separately from the body and connected to the body, and the connection can be detachable or non-detachable. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood through specific situations.

Below in conjunction with embodiment the utility model is described in further detail.

Specific embodiment 1 of a switchgear group provided by the utility model:

The switchgear group provided in this embodiment includes the incoming line cabinet 1, as shown in Figure 1, the busbar chamber of the incoming line cabinet 1 is located on the upper part of the incoming line cabinet 1 cabinet body, and the busbar chamber in the incoming line cabinet 1 is provided with left and right directions The main bus 11 and the overhead incoming bus 12 in the vertical direction, the main bus 11 in the incoming cabinet 1 is arranged behind the overhead incoming bus 12, and a partition is provided between the main bus 11 and the overhead incoming bus 12 13. The minimum distance between the separator 13 and the conductor of the main bus 11 and the conductor of the overhead incoming bus 12 is not less than the minimum creepage distance. When the main busbar 11 is overhauled, after the main busbar 11 is powered off, the main busbar 11 is separated from the overhead incoming line busbar 12 by the partition plate 13, which effectively prevents the maintenance personnel from accidentally touching the charged overhead incoming line during operation. The busbar 12 ensures the safety of the maintenance personnel and the smooth progress of the maintenance work.

As shown in Figures 2 and 3, the side of the incoming line cabinet 1 is provided with a lateral busbar 21 connected to the adjacent cabinet 2. In this embodiment, both sides of the incoming line cabinet 1 are provided with adjacent cabinets 2, and the adjacent cabinets on both sides 2 are correspondingly provided with lateral busbars 21, the interior compartments of the adjacent cabinet 2 and the incoming cabinet 1 are arranged in the same way, and the busbar chamber is located at the upper part of the corresponding cabinet.

The trend of the busbars between the adjacent cabinet 2 and the incoming cabinet 1 is shown in Figure 3. The lateral busbars 21 in the adjacent cabinets 2 on both sides are staggered from the main busbar 11 in the incoming cabinet 1. The lateral busbar 21 is arranged in the middle of the cabinet body of the adjacent cabinet 2, and the main busbar 11 in the incoming line cabinet 1 is arranged close to the rear of the incoming line cabinet 1 cabinet body. In this embodiment, the incoming line cabinet 1 and the adjacent cabinet 2 The depth in the front and back direction is 3100mm. Between the lateral busbars 21 in the adjacent cabinets 2 and the main busbars 11 in the incoming cabinet 1, connecting busbars in the front and back directions are connected correspondingly. A casing 3 is arranged outside the connecting busbar to support and fix the connecting busbar.

A specific embodiment 2 of a switchgear group provided by the utility model:

The main difference from Embodiment 1 is that in this embodiment, the overhead incoming bus in the incoming cabinet is arranged near the back of the cabinet, and the overhead incoming bus is separated from the main bus by a partition.

Specific embodiment 3 of a switchgear group provided by the utility model:

The main difference from Embodiment 1 is that in this embodiment, no bushing is provided between the incoming cabinet and the adjacent cabinet for connection. At this time, the lines in the incoming cabinet and the adjacent cabinet can be arranged on the same straight line. The main busbars in the incoming line cabinet and in the adjacent cabinets are located near the rear of the corresponding cabinets, and are connected to other equipment through circuit design outside the entire switch cabinet group.

Specific embodiment 4 of a switchgear group provided by the utility model:

The main difference from Embodiment 1 is that in this embodiment, no bushing is provided outside the main bus part between the incoming cabinet and the adjacent cabinet for connection, and the main bus part between the two cabinets is in the middle of the line Set up brackets for fixing, so as to realize the fixing and supporting of the main busbar part between the two cabinets.

Specific embodiment 5 of a switchgear group provided by the utility model:

The main difference from Embodiment 1 is that in this embodiment, there is only one adjacent cabinet on the side of the incoming line cabinet, and the side of the corresponding incoming line cabinet is not provided with adjacent cabinets and is not connected to other equipment, or the main busbar is separately connected. line design.

A specific embodiment 6 of a switchgear group provided by the utility model:

The main difference from Embodiment 1 is that in this embodiment, only the front and rear depths of the incoming line cabinets are deepened, while the depth of the adjacent cabinets is that of conventional switch cabinets.

An embodiment of an incoming line cabinet in the utility model:

An embodiment of an incoming line cabinet is an embodiment of an incoming line cabinet described in any one of embodiments 1 to 6 of the above-mentioned switch cabinet group, which will not be described in detail here.

Finally, it should be noted that the above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Although the utility model has been described in detail with reference to the aforementioned embodiments, for those skilled in the art, It is still possible to modify the technical solutions described in the foregoing embodiments without creative effort, or to perform equivalent replacements for some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (6)

1. A kind of incoming line cabinet, described incoming line cabinet (1) is provided with busbar room, and described busbar room is provided with the main busbar (11) of left and right directions and the overhead incoming line busbar (12) of vertical direction, and its The feature is that the main busbar (11) in the incoming line cabinet (1) and the overhead incoming busbar (12) are arranged in a staggered front and back direction, and a partition (13) is provided between them, and the partition ( 13) The minimum distance between the conductors of the main busbar (11) and the conductors of the overhead incoming busbar (12) is not less than the minimum creepage distance. 2. The incoming line cabinet according to claim 1, characterized in that, the main busbar (11) is arranged behind the overhead incoming line busbar (12). 3. A switchgear group, said switchgear group comprising middle incoming line cabinet (1) and a set of lateral bus bars arranged at least on one side of the incoming line cabinet, adjacent cabinets ( 2), the incoming line cabinet (1) is provided with a busbar room, the main busbar (11) in the left and right direction and the overhead incoming line busbar (12) in the vertical direction are arranged in the said busbar room, it is characterized in that the A partition is provided between the main busbar (11) in the incoming line cabinet (1) and the overhead incoming busbar (12), and the partition board (13) is connected to the conductor and the conductor of the main busbar (11). The minimum distance between the conductors of the overhead incoming busbars (12) is not less than the minimum creepage distance, and the lateral busbars (21) in the adjacent cabinet (2) and the conductors in the incoming cabinet (1) The main busbars (11) are arranged in a staggered front and back direction, and the connecting busbars in the front and rear directions are arranged between the two for corresponding connection. 4. The switchgear group according to claim 3, characterized in that, the adjacent cabinets (2) are arranged on both sides of the incoming cabinet (1), and the adjacent cabinets (2) on each side All are provided with lateral busbars (21) correspondingly, and the lateral busbars (21) in the adjacent cabinets (2) on both sides are all arranged in a staggered manner with the main busbar (11) in the incoming cabinet (1). 5. The switchgear group according to claim 3 or 4, characterized in that, the main busbar (11) in the incoming line cabinet (1) is arranged behind the overhead incoming line busbar (12). 6. The switchgear group according to claim 3, characterized in that a bushing (3) is provided outside the connection busbar.

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