CN207265529U - A kind of cabinet group and its gas-filling cabinet - Google Patents

Abstract

The utility model relates to a cabinet group and an inflatable cabinet thereof. The cabinet group includes two or more inflatable cabinets arranged side by side along the left and right directions. The inflatable cabinet includes a cabinet body, which includes a busbar room. The top of the cabinet body is provided with a main busbar room arranged above the busbar room. Insulation The main busbar, the main busbar room is also equipped with voltage transformers or lightning arresters, the upper part of the busbar room is provided with terminals, and the main busbar rooms of multiple inflatable cabinets are connected in the left and right directions. The main busbar room is set above the busbar room, and the voltage transformer or lightning arrester and the insulated main busbar are located in the main busbar room. The vertical space of the inflatable cabinet should not occupy a large horizontal space as much as possible under the condition of installing the voltage transformer or lightning arrester on the bus side, so that the entire inflatable cabinet has a compact structure, which is conducive to the miniaturization of the inflatable cabinet.

Description

A kind of cabinet group and its inflatable cabinet

technical field

The utility model relates to the field of high-voltage switchgear, in particular to a cabinet group and an inflatable cabinet thereof.

Background technique

As a new generation of switchgear, the inflatable cabinet is widely used in residential quarters, industrial and mining enterprises, large shopping malls, subways, airports and other occasions because of its flexible operation, reliable interlocking, and ability to meet various applications and user needs. The structure of the inflatable cabinet generally includes a busbar room, a circuit breaker room, a main control room and a pressure relief channel. An inflatable cabinet, including a main control room located on the front of the inflatable cabinet, a cable room, a circuit breaker room, a busbar room, and a pressure relief channel are arranged on the back of the inflatable cabinet, wherein the cable room is located at the bottom, the circuit breaker room is located above the cable room, and the bus bar The chamber and the pressure relief channel are arranged side by side above the circuit breaker chamber. The inflatable cabinet makes the entire inflatable cabinet compact in structure and takes up little space through reasonable structural design.

However, in engineering applications, the performance requirements for charging equipment are relatively high, and voltage transformers or arresters are often installed on the bus side, and the structure of the inflatable cabinet itself is relatively complicated. How to reasonably place the voltage transformer or arrester on the inflatable cabinet Not increasing the volume of the inflatable tank too much has become an urgent problem in the design of the current inflatable tank.

Utility model content

The purpose of this utility model is to provide an inflatable cabinet with a voltage transformer or lightning arrester, which is reasonably arranged and compact in structure; the purpose of this utility model is also to provide a cabinet group using the above-mentioned inflatable cabinet.

In order to achieve the above purpose, the technical scheme 1 of an inflatable cabinet of the present invention is: an inflatable cabinet, including a cabinet body, the cabinet body includes a busbar room, and the top of the cabinet body is provided with a main busbar room arranged above the busbar room. Insulated main busbars are installed in the busbar room for connection with the corresponding phase busbars in the busbar room. Voltage transformers or lightning arresters are also arranged in the main busbar room in the front and back direction of the insulated main busbars. The upper part of the busbar room is provided with Terminals for potential transformer or arrester connections.

The main busbar room is set above the busbar room, and the voltage transformer or lightning arrester and the insulated main busbar are located in the main busbar room. The vertical space of the inflatable cabinet should not occupy a large horizontal space as much as possible under the condition of installing the voltage transformer or lightning arrester on the bus side, so that the entire inflatable cabinet has a compact structure, which is conducive to the miniaturization of the inflatable cabinet.

The technical solution 2 of the inflatable cabinet of the utility model is further improved on the basis of the technical solution 1: the main busbar chamber includes a front support frame and a rear support frame, and an upper cover plate is connected above the front support frame and the rear support frame , the insulated main busbar, voltage transformer or lightning arrester are installed in the space surrounded by the front support frame, the rear support frame and the upper cover plate.

The technical solution 3 of the inflatable cabinet of the present utility model is further improved on the basis of the technical solution 2: the cabinet body also includes a pressure relief channel arranged on the side of the busbar room along the front and rear directions, and the main busbar room spans the busbar The chamber and the pressure relief passage are respectively connected with the cavity walls of the busbar chamber and the pressure relief passage through the front support frame and the rear support frame.

The technical solution 4 of the inflatable cabinet of the utility model is further improved on the basis of the technical solution 3: the front support frame is connected to the busbar room, the rear support frame is connected to the pressure relief channel, and the rear support frame is in the shape of a cuboid. The side close to the front support frame is connected to the pressure relief channel. The side of the rectangular parallelepiped close to the front support frame is open. The inner cavity of the cuboid provides a part of the horizontal space for the installation of voltage transformers or arresters. The structure of the rear support frame can be set in On the basis of not affecting the connection between the rear support frame and the cabinet body, the horizontal installation space inside the main busbar room is widened.

The technical solution 5 of the inflatable cabinet of the present utility model is further improved on the basis of any of the technical solutions 2-4: the upper cover plate is provided with an outward protrusion at the installation position of the corresponding voltage transformer or lightning arrester The convex part, the inner cavity of the convex part provides a part of the longitudinal space for installing the voltage transformer or arrester. The arrangement of the convex part can meet the requirement of the installation space of the voltage transformer or the lightning arrester on the basis of reducing the manufacturing cost as much as possible.

The technical scheme 6 of the inflatable cabinet of the present utility model is further improved on the basis of any one of the technical schemes 2-4: the upper cover is provided with an outlet for the secondary control line of the voltage transformer or lightning arrester hole.

The technical solution 7 of the inflatable cabinet of the present utility model is further improved on the basis of the technical solution 6: the outlet hole is provided with a rubber retainer, which can prevent the cable from being worn.

The technical scheme 8 of the inflatable cabinet of the present utility model is further improved on the basis of any technical scheme of technical schemes 2-4: the front support frame, the upper cover plate and the rear support frame are detachably connected, thereby facilitating the main Installation and maintenance of the internal structure of the busbar room.

The technical scheme 9 of the inflatable cabinet of the present utility model is further improved on the basis of any technical scheme of technical schemes 2-4: the pressure relief channel located outside the busbar room is the busbar room pressure relief channel, and the lower part of the busbar room is set There is a cable room, and one side of the cable room is provided with a circuit breaker room and a circuit breaker room pressure relief channel from top to bottom.

In order to achieve the above purpose, the technical scheme 1 of a cabinet group of the present invention is: a cabinet group, including two or more inflatable cabinets arranged side by side along the left and right directions, the inflatable cabinets include a cabinet body, and the cabinet body includes a busbar room, The top of the cabinet is provided with a main busbar room arranged above the busbar room. Insulated main busbars for connecting with corresponding phase busbars in the busbar room are installed in the main busbar room. There are voltage transformers or lightning arresters, and the upper part of the bus chamber is provided with terminals for connecting with the voltage transformers or lightning arresters, and the main bus chambers of multiple inflatable cabinets are connected in the left and right directions.

The main busbar room is set above the busbar room, and the voltage transformer or lightning arrester and the insulated main busbar are located in the main busbar room. The vertical space of the inflatable cabinet should not occupy a large horizontal space as much as possible under the condition of installing the voltage transformer or lightning arrester on the bus side, so that the entire inflatable cabinet has a compact structure, which is conducive to the miniaturization of the inflatable cabinet.

The technical solution 2 of the cabinet group of the utility model is further improved on the basis of the technical solution 1: the main busbar room includes a front support frame and a rear support frame, and an upper cover plate is connected above the front support frame and the rear support frame , the insulated main busbar, voltage transformer or lightning arrester are installed in the space surrounded by the front support frame, the rear support frame and the upper cover plate.

The technical scheme 3 of the cabinet group of the utility model is further improved on the basis of the technical scheme 2: the cabinet body also includes a pressure relief channel arranged on the side of the busbar room along the front and rear directions, and the pressure relief channels of a plurality of inflatable cabinets Connected in the left and right directions, the main busbar chamber straddles the busbar chamber and the pressure relief passage, and is respectively connected with the cavity walls of the busbar chamber and the pressure relief passage through the front support frame and the rear support frame.

The technical scheme 4 of the cabinet group of the utility model is further improved on the basis of the technical scheme 3: the front support frame is connected with the busbar room, the rear support frame is connected with the pressure relief passage, the rear support frame is cuboid, cuboid The side close to the front support frame is connected to the pressure relief channel. The side of the rectangular parallelepiped close to the front support frame is open. The inner cavity of the cuboid provides a part of the horizontal space for the installation of voltage transformers or arresters. The structure of the rear support frame can be set in On the basis of not affecting the connection between the rear support frame and the cabinet body, the horizontal installation space inside the main busbar room is widened.

The technical scheme 5 of the cabinet group of the present utility model is further improved on the basis of any technical scheme of technical schemes 2-4: the upper cover plate is provided with an outward protrusion at the installation position of the corresponding voltage transformer or lightning arrester The convex part, the inner cavity of the convex part provides a part of the longitudinal space for installing the voltage transformer or arrester. The arrangement of the convex part can meet the requirement of the installation space of the voltage transformer or the lightning arrester on the basis of reducing the manufacturing cost as much as possible.

The technical solution 6 of the cabinet group of the present utility model is further improved on the basis of any one of the technical solutions 2-4: the upper cover is provided with an outlet for the secondary control line of the voltage transformer or lightning arrester hole.

The technical solution 7 of the cabinet group of the utility model is further improved on the basis of the technical solution 6: the outlet hole is provided with a rubber retainer, which can prevent the cable from being worn.

The technical scheme 8 of the cabinet group of the present utility model is further improved on the basis of any technical scheme of technical schemes 2-4: the front support frame, the upper cover plate and the rear support frame are detachably connected, thereby facilitating the main Installation and maintenance of the internal structure of the busbar room.

The technical scheme 9 of the cabinet group of the present utility model is further improved on the basis of any technical scheme of technical schemes 2-4: the pressure relief channel located on the side of the bus room is the bus room pressure relief channel, and multiple bus room pressure relief channels The channel communicates in the left and right directions. A cable room is provided below the busbar room. A circuit breaker room and a circuit breaker room pressure relief channel are arranged on one side of the cable room from top to bottom. Multiple circuit breaker room pressure relief channels are in the connected in the left and right direction.

Description of drawings

Fig. 1 is a structural diagram of an inflatable cabinet in a specific embodiment of a cabinet group of the present invention;

Fig. 2 is a perspective view of the main busbar room in a specific embodiment of a cabinet group of the present invention;

Fig. 3 is a cross-sectional view of the main busbar room in a specific embodiment of a cabinet group of the present invention;

In the figure: 1. Main control room; 2. Cable room; 3. Circuit breaker room; 4. Pressure relief channel in circuit breaker room; 5. Busbar room; 71, front support frame; 72, upper cover plate; 721, convex part; 722, outlet hole; 73, rear support frame; 731, movable plate; 8, insulated main bus bar; 9, voltage transformer.

Detailed ways

Embodiments of the present utility model will be further described below in conjunction with the accompanying drawings. In the following embodiments, the arrangement direction of the bus chamber and the pressure relief passage of the bus chamber is defined as the front-rear direction, and the direction perpendicular to the paper surface is defined as the left-right direction.

A specific embodiment of a cabinet group of the present utility model includes more than two inflatable cabinets arranged side by side along the left and right directions. The specific structure of each inflatable cabinet is shown in Figures 1 to 3, including a cabinet body, The front side is the main control room 1, and the lower part of the back of the cabinet is provided with a cable room 2, and the front side of the cable room 2 is provided with a circuit breaker room pressure relief channel 4 and a circuit breaker room 3 in order from bottom to top, and the top of the circuit breaker room 3 It is flush with the top of the cable chamber 2, wherein the circuit breaker chamber pressure relief passages of multiple inflatable cabinets are connected in the left and right directions, the left side of the circuit breaker chamber pressure relief passage of the inflatable cabinet at the left end and the inflatable cabinet at the right end The right side of the pressure relief passage in the circuit breaker chamber is blocked by a separate sealing plate. Above the circuit breaker room 3 and the cable room 2, a bus room 5 and a bus room pressure relief channel 6 are arranged side by side. The bus room pressure relief channel 6 is located on the rear side of the bus room 5, and the bus room pressure relief channels of multiple inflatable cabinets are on the left and right. Connected in the direction, the left side of the bus chamber pressure relief channel of the gas cabinet at the left end and the right side of the bus room pressure relief channel of the gas cabinet at the right end are blocked by a separate sealing plate. Above the busbar chamber 5 and the busbar chamber pressure relief channel 6 is provided a main busbar chamber 7 straddling the two in the front and rear direction, and the top of the main busbar chamber 7 is flush with the top of the main control room 1 .

The main busbar chamber 7 includes a front support frame 71 and a rear support frame 73, an upper cover plate 72 is connected above the front support frame 71 and the rear support frame 73, the front support frame 71 is connected with the cavity wall of the busbar chamber 5, and the rear support The frame 73 is connected with the cavity wall of the pressure relief channel 6 of the busbar chamber, and the insulated main busbar 8 for connecting with the corresponding phase busbar in the busbar chamber 5 is installed in the main busbar chamber 7. A voltage transformer 9 or a lightning arrester is arranged on the side, and the upper part of the busbar chamber 5 is provided with a terminal 51 for connecting with the voltage transformer 9 or the lightning arrester. In this embodiment, the terminal is set as an inner cone socket. In other embodiments, the terminals can be other types of sockets or plugs. The main busbar chambers of multiple inflatable cabinets are connected in the left and right directions, thereby facilitating the connection between the insulated main busbars in each main busbar chamber. The right side of the chamber is closed by a separate sealing plate.

In addition, the rear support frame 73 is in the shape of a cuboid, the side of the cuboid near the front support frame 71 is connected to the pressure relief channel 6 of the busbar room, and the side of the cuboid near the front support frame 71 is open for the lightning arrester or voltage transformer 9 to enter In the cuboid inner cavity, the structural arrangement of the rear support frame 73 can laterally widen the installation space in the main busbar chamber 7 . A movable plate 731 is detachably connected to the rear side of the rear support frame. During actual use, the staff can remove the movable plate and then overhaul the lightning arrester or voltage transformer in the main busbar room.

The upper cover plate 72 is provided with an outwardly protruding convex portion 721 at the installation position corresponding to the voltage transformer 9 or the lightning arrester. The convex portion 721 is formed by riveting sheet metal parts, and the inner cavity of the convex portion 721 supplies the installation voltage. The transformer 9 or the lightning arrester provides a part of the space, thereby satisfying the installation space requirement of the voltage transformer 9 or the lightning arrester on the basis of minimizing the manufacturing cost.

The upper cover plate 72 is also provided with an outlet hole 722 for the secondary control line of the voltage transformer 9 or the lightning arrester to lead out. Rubber retainer.

The main busbar room 7 in the utility model is detachably connected between the front support frame 71, the upper cover plate 72 and the rear support frame 73. In the actual use process, taking the voltage transformer 9 as an example, when installing the voltage transformer 9 Before insulating the main busbar 8, remove the upper cover plate 72 from the front support frame 71 and the rear support frame 73, then remove the front support frame 71 and the rear support frame 73 from the cabinet, and install the insulating main busbar 8 and voltage After the transformer 9, the front support frame 71 and the rear support frame 73 are respectively connected and fixed with the busbar chamber 5 and the busbar chamber pressure relief channel 6, and then the upper cover plate 72, the front support frame 71 and the rear support frame 73 are fixed. When installing the arrester, the steps are the same as the above steps.

In the inflatable cabinet of the present utility model, the main busbar room 7 is arranged above the busbar room 5, and the voltage transformer 9 or lightning arrester and the insulated main busbar 8 are located in the main busbar room 7, and the installation position of the main busbar room 7 is not only convenient for its interior The connection between the device and the device in the busbar room 5, and its location mainly utilizes the vertical space of the inflatable cabinet. Under the condition of realizing the installation of the busbar side voltage transformer 9 or lightning arrester, it does not occupy a large horizontal space as much as possible, so that the entire The inflatable cabinet has a compact structure, which is conducive to the miniaturization of the inflatable cabinet.

In addition, the main busbar room 7 is composed of a detachably connected front support frame 71 , an upper cover plate 72 and a rear support frame 73 , which is not only simple in structure, but also easy to install.

A specific embodiment of an inflatable cabinet of the present utility model has the same specific structure as that of the above-mentioned inflatable cabinet in the cabinet group, and will not be repeated here.

Claims (18)

1. An inflatable cabinet, comprising a cabinet, the cabinet comprising a busbar room, characterized in that: the top of the cabinet is provided with a main busbar room arranged above the busbar room, the main busbar room is equipped with a The insulated main busbar connected by the busbar, the main busbar room is also arranged with a voltage transformer or lightning arrester beside the front and rear direction of the insulating main busbar, and the upper part of the busbar room is provided with a terminal for connecting with the voltage transformer or lightning arrester. 2. The inflatable cabinet according to claim 1, characterized in that: the main busbar chamber includes a front support frame and a rear support frame, an upper cover plate is connected above the front support frame and the rear support frame, and the insulated main busbar , voltage transformers or lightning arresters are installed in the space surrounded by the front support frame, rear support frame and upper cover. 3. The inflatable cabinet according to claim 2, characterized in that: the cabinet body also includes a pressure relief channel arranged on the side of the busbar room along the front and rear directions, and the main busbar room straddles the busbar room and the pressure relief channel and The front support frame and the rear support frame are respectively connected with the cavity walls of the busbar chamber and the pressure relief channel. 4. The inflatable cabinet according to claim 3, characterized in that: the front support frame is connected to the busbar room, the rear support frame is connected to the pressure relief channel, the rear support frame is in the shape of a cuboid, and the side of the cuboid close to the front support frame The side is connected with the pressure relief channel, and the side of the rectangular parallelepiped close to the front support frame is opened, and the inner cavity of the rectangular parallelepiped provides a part of the horizontal space for installing the voltage transformer or lightning arrester. 5. The inflatable cabinet according to any one of claims 2-4, characterized in that: the upper cover plate is provided with an outwardly protruding convex portion at the installation position of the corresponding voltage transformer or lightning arrester, and the convex portion The inner cavity at the top provides a part of the vertical space for installing voltage transformers or lightning arresters. 6. The inflatable cabinet according to any one of claims 2-4, characterized in that: the upper cover is provided with an outlet hole for the secondary control wire of the voltage transformer or lightning arrester. 7. The inflatable cabinet according to claim 6, wherein a rubber retainer is provided on the outlet hole. 8. The inflatable cabinet according to any one of claims 2-4, characterized in that: the front support frame, the upper cover plate and the rear support frame are detachably connected. 9. The inflatable cabinet according to any one of claims 2-4, characterized in that: the pressure relief channel on the side of the busbar room is a busbar room pressure relief channel, and a cable room is arranged below the busbar room, One side of the cable room is provided with a circuit breaker room and a circuit breaker room pressure relief channel in sequence from top to bottom. 10. A cabinet group, including two or more inflatable cabinets arranged side by side along the left and right directions, the inflatable cabinet includes a cabinet body, and the cabinet body includes a busbar room. It is characterized in that: the top of the cabinet body is arranged above the busbar room In the main busbar room, insulated main busbars are installed in the main busbar room for connecting with corresponding phase busbars in the busbar room. In the main busbar room, voltage transformers or lightning arresters are also arranged on the side of the insulated main busbar in the front and rear directions. The upper part of the busbar room is set There are terminals for connecting with the voltage transformer or lightning arrester, and the main bus chambers of the multiple inflatable cabinets communicate in the left and right directions. 11. The cabinet set according to claim 10, characterized in that: the main busbar room includes a front support frame and a rear support frame, an upper cover is connected above the front support frame and the rear support frame, and the insulated main busbar , voltage transformers or lightning arresters are installed in the space surrounded by the front support frame, rear support frame and upper cover. 12. The cabinet group according to claim 11, characterized in that: the cabinet body also includes a pressure relief passage arranged on the side of the busbar room along the front and rear directions, and the pressure relief passages of a plurality of inflatable cabinets are connected in the left and right direction, The main busbar chamber straddles the busbar chamber and the pressure relief passage, and is connected with the cavity walls of the busbar chamber and the pressure relief passage respectively through the front support frame and the rear support frame. 13. The cabinet group according to claim 12, characterized in that: the front support frame is connected to the busbar room, the rear support frame is connected to the pressure relief channel, the rear support frame is in the shape of a cuboid, and a rectangular parallelepiped close to the front support frame The side is connected with the pressure relief channel, and the side of the rectangular parallelepiped close to the front support frame is opened, and the inner cavity of the rectangular parallelepiped provides a part of the horizontal space for installing the voltage transformer or lightning arrester. 14. The cabinet set according to any one of claims 11-13, characterized in that: the upper cover plate is provided with an outwardly protruding convex portion at the installation position of the corresponding voltage transformer or lightning arrester, and the convex portion The inner cavity at the top provides a part of the vertical space for installing voltage transformers or lightning arresters. 15. The cabinet set according to any one of claims 11-13, characterized in that: the upper cover plate is provided with an outlet hole for the secondary control wire of the voltage transformer or lightning arrester to lead out. 16. The cabinet set according to claim 15, wherein a rubber retainer is arranged on the outlet hole. 17. The cabinet set according to any one of claims 11-13, characterized in that: the front support frame, the upper cover plate and the rear support frame are detachably connected. 18. The cabinet group according to any one of claims 11-13, characterized in that: the pressure relief channel located on the side of the bus room is a bus room pressure relief channel, and a plurality of bus room pressure relief channels are in the left and right directions Connected, a cable room is set under the busbar room, and a circuit breaker room and a circuit breaker room pressure relief channel are arranged on one side of the cable room in sequence from top to bottom, and a plurality of circuit breaker room pressure relief channels are connected in the left and right directions.