CN210866976U - High-voltage bus connecting cabinet - Google Patents

Abstract

The utility model discloses a high-voltage bus connecting cabinet, which is placed between KYN28A-12 armored movable indoor AC metal-enclosed switchgear and GG-1A fixed metal-enclosed switchgear, and spliced through splicing cabinet holes at two sides of the high-voltage bus connecting cabinet with splicing cabinet holes on KYN28A-12 armored movable indoor AC metal-enclosed switchgear and splicing cabinet holes of GG-1A fixed metal-enclosed switchgear; the GG-1A main bus is connected with and communicated with a main bus in GG-1A fixed metal enclosed switchgear, and the KYN28A-12 main bus is connected with a main bus in KYN28A-12 armored movable indoor alternating current metal enclosed switchgear. The utility model provides a current mainstream KYN28A-12 armor move away indoor interchange metal enclosed switchgear generating line room main bus can not directly carry out the disadvantage of piecing together the cabinet and being connected with old GG-1A fixed metal enclosed switchgear main bus.

Description

High-voltage bus connecting cabinet

Technical Field

The utility model relates to a cubical switchboard technical field, in particular to KYN28A-12 armor removes indoor interchange metal enclosed switchgear generating line room main bus and can connect the high-voltage bus connecting cabinet with GG-1A fixed metal enclosed switchgear main bus.

Background

At present, KYN28A-12 armored movable indoor alternating current metal enclosed switchgear is a complete set of equipment suitable for a single bus and a single bus segmentation system of a 3.6-12 kV three-phase alternating current 50Hz power system, can meet GB3906-2006 and DL/T404-2007 standards, and has five-prevention functions of preventing a circuit breaker from being operated by mistake, preventing a handcart from being pulled by a load, preventing a grounding switch from being closed by a live switch, preventing the grounding switch from being powered on when the grounding switch is in a grounding position, preventing the grounding switch from being isolated by mistake and the like. The device is used for power transmission of power plants, small and medium-sized generators, power distribution of industrial and mining enterprises and institutions, power receiving, power distribution and transmission of secondary substations of power grid systems, starting of large-sized high-voltage motors and the like, and achieves the purposes of control, protection and detection.

Referring to fig. 1-3, KYN28A-12 armored removable indoor ac metal enclosed switchgear is comprised of two major parts, an enclosure 100 and a withdrawable part (i.e., VYSP-12 trolley circuit breaker). The main frame of the housing 100 is machined by a numerical control machine by using an aluminum-zinc coated plate with the thickness of 2mm, and assembled by using 8.8-level high-strength rivet nuts and bolts by using a multiple edge folding process. The outer door adopts electrostatic spraying, the surface has stronger impact resistance and corrosion resistance, and the appearance is effectively ensured to be accurate and beautiful. The housing 100 is divided into five separate isolated bus bar chambers 110, a breaker chamber 113, an instrument chamber 112 and a cable chamber 106, wherein the breaker chamber 113 is separated from the cable chamber 106 and the bus bar chamber 110 by a compartment partition 118.

The main bus 102 is vertically installed on an insulator 104 of a bus chamber 110 and connected with an adjacent cabinet by a main bus sleeve 101 penetrating through and installed on the side surface of the cabinet body, contact boxes 103 are installed in the bus chamber 110 and a cable chamber 106, the contact box 103 in the bus chamber 110 is connected with the main bus 102, the contact box 103 in the cable chamber 106 is connected with a current transformer 105 installed in the cable chamber 106, a grounding switch 116 is further installed in the cable chamber 106 through a grounding switch installation upright column 117, an arrester 108 and a grounding bar 121 are further installed in the cable chamber 106, and a cable outlet 107 of the current transformer 105 is connected with the grounding switch 116, the arrester 108 and the grounding bar 121 and connected with a primary outlet cable 120. The primary outlet cable 120 extends through a primary cable outlet opening 123 in a cable cover 124 disposed at the bottom of the housing 100, the cable cover 124 being mounted to the bottom of the housing 100 by a mounting bracket 125. A secondary cable outlet 122 is also provided at the bottom of the housing 100.

A trolley type breaker 114 and a ground switch operating mechanism 115 are provided in the breaker chamber 113. A pressure relief device 109 and a busbar compartment 111 are provided at the top of the housing 100, and the busbar compartment 111 communicates with an instrument compartment 112. A cabinet splicing hole 121 is formed at the bottom of the side wall of the shell 1.

Referring to fig. 4 to 7, a basic skeleton structure of a cabinet 200 of a GG-1A fixed metal enclosed switchgear is formed by welding 50 × 50 × 5 equal angle steels, other panels, doors, partitions and side plates are made of thin steel plates, the cabinet 200 is divided into an upper part and a lower part by a middle partition 221, the upper part is a breaker chamber 202, the lower part is an isolation and closing chamber 203 and is provided with a communication bus, an instrument chamber 201 with a height of 950mm is arranged at the front left upper part of the cabinet 200, an instrument door is mounted on the instrument chamber 201, a monitoring instrument, an indicating operating element, a relay, a watt-hour meter and the like are mounted on the instrument door, an operating panel is mounted at the front left middle part of the cabinet 200, an operating mechanism is mounted on the operating panel, an upper isolation switch 217 is mounted at the upper part of the breaker chamber 202, a vacuum breaker 218 is mounted at the middle part, a current transformer 219 is mounted on the middle partition 221, the upper part of the current transformer 219 extends into the breaker chamber 202, the lower part extends into an isolation switch chamber 203, the upper part of the current transformer 219 extends into an isolation transformer 219, the isolation transformer 219 is connected with the vacuum breaker 218 through a copper bar, an upper isolation switch 217 is connected with a primary isolation switch device, a primary isolation switch device 220 is mounted on the cabinet 200, a primary isolation switch 220 is mounted on a primary isolation switch 220, a primary isolation switch 220 is mounted on the isolation switch 220, a primary switch 220 is mounted on the isolation switch 220, a primary switch 220 is mounted on a primary switch 220, a primary switch 220 is mounted on a primary switch 220, a primary.

However, some early-stage-produced GG-1A fixed metal-enclosed switchgear for switchgear in operation of some transformer substations (distribution rooms) in China still operates, and when capacity expansion and expansion are met, KYN28A-12 armored movable indoor alternating-current metal-enclosed switchgear is newly added, and the main bus and the newly added equipment of the original equipment are not directly connected in a cabinet splicing manner, and a high-voltage bus connecting cabinet is required to be manufactured for cabinet splicing connection.

SUMMERY OF THE UTILITY MODEL

In order to overcome the drawback that the indoor interchange metal-enclosed switchgear generating line room main bus of KYN28A-12 armor removal of present mainstream can not directly be pieced together the cabinet with old GG-1A fixed metal-enclosed switchgear main bus and be connected, the utility model provides a disadvantage is solved to high-voltage bus connection cabinet, the utility model discloses the main bus of 3 looks 3 layers TMY- (125 x 10) can be connected to bus-bar connection's main bus at most.

The utility model provides a technical scheme that its technical problem adopted is:

a high-voltage bus connecting cabinet is characterized by comprising a cabinet body, wherein an instrument room and a bus room are arranged in the cabinet body, a partition plate is arranged between the instrument room and the bus room, a KYN28A-12 main bus mounting bracket is arranged in the bus room, a KYN28A-12 main bus is mounted on the KYN28A-12 main bus mounting bracket through a first insulator with a belt electric sensor and a main bus fitting, and the KYN28A-12 main bus extends out from the side of the cabinet body facing a KYN28A-12 armored movable indoor alternating-current metal closed switch device through a KYN28A-12 main bus sleeve; the intelligent cabinet is characterized in that a pressure relief device is installed at the top of the cabinet body, an insulator is installed through an insulator mounting frame, a GG-1A main bus is installed on the insulator, the GG-1A main bus is connected with a branch bus, the branch bus penetrates through a branch bus sleeve arranged at the top of the cabinet body to enter the bus chamber and is connected with a KYN28A-12 main bus, and the branch bus is supported through a second insulator with a charged sensor, which is installed on the partition plate; the high-voltage bus connection cabinet is placed between KYN28A-12 armored movable indoor alternating-current metal closed switch equipment and GG-1A fixed metal closed switch equipment, and splicing connection is carried out through splicing cabinet splicing holes positioned at two sides of the high-voltage bus connection cabinet with splicing cabinet holes on the KYN28A-12 armored movable indoor alternating-current metal closed switch equipment and splicing cabinet holes of the GG-1A fixed metal closed switch equipment; the GG-1A main bus is connected with and communicated with a main bus in GG-1A fixed metal enclosed switchgear, and the KYN28A-12 main bus is connected with a main bus in KYN28A-12 armored movable indoor alternating current metal enclosed switchgear.

In a preferred embodiment of the utility model, cabinet splicing holes and grounding row holes are arranged on two side surfaces of the cabinet body facing KYN28A-12 armored removable indoor alternating current metal-enclosed switchgear and GG-1A fixed metal-enclosed switchgear; a switch cabinet fixing hole and a secondary cable outlet hole are formed in the bottom of the cabinet body; an instrument room door is arranged on the side of the instrument room facing the operator.

In a preferred embodiment of the present invention, a front door and a rear door are respectively disposed on a side of the cabinet facing an operator and a side of the cabinet facing away from the operator, the front door and the rear door are divided into a front upper door, a front lower door, a rear upper door and a rear lower door, the front upper door and the front lower door are assembled by pressing the front upper door with the front lower door, and the rear upper door and the rear lower door are assembled by pressing the rear lower door with the rear upper door or by pressing the rear upper door with the rear lower door; the front lower door and the rear lower door are respectively provided with an observation window, an and door linkage travel switch, an electromagnetic lock and a lighting lamp; and the AND gate linkage travel switch trips a vacuum circuit breaker in the GG-1A fixed metal closed switch equipment when a door is opened.

Due to the adoption of the technical scheme, the utility model provides a current mainstream KYN28A-12 armor move away indoor interchange metal enclosed switchgear generating line room main bus can not directly carry out the disadvantage of piecing together the cabinet and being connected with old GG-1A fixed metal enclosed switchgear main bus.

Drawings

Fig. 1 is a schematic longitudinal section construction of KYN28A-12 armored removable indoor alternating current metal enclosed switchgear.

Fig. 2 is a schematic of the panel of KYN28A-12 armored removable indoor ac metal enclosed switchgear.

Fig. 3 is a bottom schematic view of KYN28A-12 armored removable indoor alternating current metal enclosed switchgear.

FIG. 4 is a schematic diagram of the assembly of a GG-1A stationary metal enclosed switchgear.

FIG. 5 is a schematic diagram of the screen of a GG-1A stationary metal enclosed switchgear.

FIG. 6 is a schematic diagram of a structure of a middle partition plate of a GG-1A fixed metal enclosed switchgear.

FIG. 7 is a bottom schematic view of a GG-1A stationary metal enclosed switchgear.

Fig. 8 is a schematic longitudinal sectional view of the high-voltage bus bar connection cabinet of the present invention.

Fig. 9 is a schematic diagram of a screen of a high-voltage bus connection cabinet according to the present invention.

Fig. 10 is a bottom schematic view of the high-voltage bus connection cabinet of the present invention.

Fig. 11 is a primary wiring diagram between the high-voltage bus connection cabinet and KYN28A-12 armored removable indoor alternating-current metal-enclosed switchgear and GG-1A fixed metal-enclosed switchgear of the present invention.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

Referring to fig. 8 to 10, the high-voltage bus connecting cabinet comprises a cabinet body 1000, an instrument room 1002 and a bus room 1001 are arranged in the cabinet body 1000, a partition 1020 is arranged between the instrument room 1002 and the bus room 1001, a KYN28A-12 main bus mounting bracket 1021 is arranged in the bus room 1001, a KYN28A-12 main bus 1010 is mounted on the KYN28A-12 main bus mounting bracket 1021 through an insulator 1004a with a charged sensor and a main bus fitting 1011, and the KYN28A-12 main bus 1010 extends out from the side 1022 of the cabinet body 1000 facing the KYN28A-12 armored movable indoor alternating-current metal enclosed switchgear through a KYN28A-12 main bus sleeve 1009 a.

A pressure relief device 1008 is mounted on the top of the cabinet body 1000, an insulator 1004 is mounted through an insulator mounting frame 1007, a GG-1A main bus 1005 is mounted on the insulator 1004, the GG-1A main bus 1005 is connected with a branch bus 1006, and the branch bus 1006 passes through a branch bus sleeve 1009b arranged on the top of the cabinet body 1000, enters the bus chamber 1001 and is connected with a KYN28A-12 main bus 1005. The branch bus bar 1006 is supported by an insulator 1004b with a live sensor mounted on a partition 1020.

Two side faces 1022 and 1023 of the cabinet body 1000 facing KYN28A-12 armored movable indoor alternating current metal closed switch equipment and GG-1A fixed metal closed switch equipment are respectively provided with a cabinet splicing hole 1012 and a grounding row hole 1013; a switch cabinet fixing hole 1014 and a secondary cable outlet hole 1015 are arranged at the bottom of the cabinet body 1000; a meter chamber door 1003 is provided on the side of the meter chamber 1002 facing the operator.

The side of the cabinet body 1000 facing the operator and the side facing away from the operator are respectively provided with a front cabinet door and a rear cabinet door, the front cabinet door and the rear cabinet door are divided into a front upper door 1024, a front lower door 1025, a rear upper door 1026 and a rear lower door 1027, the front upper door 1024 and the front lower door 1025 are assembled by pressing the front upper door 1024 by the front lower door 1025, and the rear upper door 1026 and the rear lower door 1027 are assembled by pressing the rear lower door 1027 or pressing the rear upper door 1026 by the rear lower door 1027; the front lower door 1025 and the rear lower door 1027 are respectively provided with an observation window 1016, an and gate linkage travel switch 1017, an electromagnetic lock 1018 and an illuminating lamp 1019.

With combined reference to fig. 11, the high-voltage bus bar connection cabinet 301 is placed between a KYN28A-12 armored removable indoor alternating-current metal-enclosed switchgear 302 and a GG-1A fixed metal-enclosed switchgear 300, and is spliced with a splicing cabinet hole 1012 on two sides of the high-voltage bus bar connection cabinet and a splicing cabinet hole 121 on the KYN28A-12 armored removable indoor alternating-current metal-enclosed switchgear 302 and a splicing cabinet hole 225 of the GG-1A fixed metal-enclosed switchgear 300; the GG-1A main bus 1005 is connected with and communicated with the main bus 212 in the GG-1A fixed metal enclosed switchgear 300, and the KYN28A-12 main bus 1010 is connected with the main bus 102 in the KYN28A-12 armored movable indoor alternating current metal enclosed switchgear 302.

The AND gate travel switch 1017 trips the vacuum interrupter 218 in the GG-1A stationary metal enclosed switchgear 300 when the door is opened.

Claims (3)

1. A high-voltage bus connecting cabinet is characterized by comprising a cabinet body, wherein an instrument room and a bus room are arranged in the cabinet body, a partition plate is arranged between the instrument room and the bus room, a KYN28A-12 main bus mounting bracket is arranged in the bus room, a KYN28A-12 main bus is mounted on the KYN28A-12 main bus mounting bracket through a first insulator with a belt electric sensor and a main bus fitting, and the KYN28A-12 main bus extends out from the side of the cabinet body facing a KYN28A-12 armored movable indoor alternating-current metal closed switch device through a KYN28A-12 main bus sleeve; the intelligent cabinet is characterized in that a pressure relief device is installed at the top of the cabinet body, an insulator is installed through an insulator mounting frame, a GG-1A main bus is installed on the insulator, the GG-1A main bus is connected with a branch bus, the branch bus penetrates through a branch bus sleeve arranged at the top of the cabinet body to enter the bus chamber and is connected with a KYN28A-12 main bus, and the branch bus is supported through a second insulator with a charged sensor, which is installed on the partition plate; the high-voltage bus connection cabinet is placed between KYN28A-12 armored movable indoor alternating-current metal closed switch equipment and GG-1A fixed metal closed switch equipment, and splicing connection is carried out through splicing cabinet splicing holes positioned at two sides of the high-voltage bus connection cabinet with splicing cabinet holes on the KYN28A-12 armored movable indoor alternating-current metal closed switch equipment and splicing cabinet holes of the GG-1A fixed metal closed switch equipment; the GG-1A main bus is connected with and communicated with a main bus in GG-1A fixed metal enclosed switchgear, and the KYN28A-12 main bus is connected with a main bus in KYN28A-12 armored movable indoor alternating current metal enclosed switchgear.

2. The high-voltage bus connection cabinet as claimed in claim 1, wherein cabinet splicing holes and grounding row holes are formed in two side faces of the cabinet body facing KYN28A-12 armored removable indoor alternating-current metal-enclosed switchgear and GG-1A fixed metal-enclosed switchgear; a switch cabinet fixing hole and a secondary cable outlet hole are formed in the bottom of the cabinet body; an instrument room door is arranged on the side of the instrument room facing the operator.

3. The high-voltage bus connecting cabinet as claimed in claim 1, wherein a front door and a rear door are respectively disposed on a side of the cabinet body facing the operator and a side of the cabinet body facing away from the operator, the front and rear doors are divided into a front upper door, a front lower door, a rear upper door and a rear lower door, the front upper door and the front lower door are assembled by pressing the front upper door against the front lower door, and the rear upper door and the rear lower door are assembled by pressing the rear lower door against the front upper door or by pressing the rear upper door against the rear lower door; the front lower door and the rear lower door are respectively provided with an observation window, an and door linkage travel switch, an electromagnetic lock and a lighting lamp; and the AND gate linkage travel switch trips a vacuum circuit breaker in the GG-1A fixed metal closed switch equipment when a door is opened.

Images