CN217903700U

CN217903700U - Outgoing line structure on tubular bus of switch cabinet

Info

Publication number: CN217903700U
Application number: CN202222063342.0U
Authority: CN
Inventors: 张永进; 杨志刚; 邓炎炎; 李辉
Original assignee: Changzhou Self Creation Electrical Co ltd; Changzhou Pacific Electric Power Equipment Group Co ltd
Current assignee: Changzhou Self Creation Electrical Co ltd; Changzhou Pacific Electric Power Equipment Group Co ltd
Priority date: 2022-08-05
Filing date: 2022-08-05
Publication date: 2022-11-25
Anticipated expiration: 2032-08-05

Abstract

The utility model discloses a last outlet structure of tubular busbar of cubical switchboard, the intelligent cabinet temperature adjusting device comprises a cabinet body, the cabinet is internal including generating line air chamber, circuit breaker air chamber, instrument room, lower cabinet body and operating device, cabinet body upper end is fixed with two AT least cast generating line subassemblies, the utility model provides an advance down and go out under the former cabinet type cable, the investment is big, the construction degree of difficulty is big, the higher scheduling problem of operating fault rate, change original cubical switchboard into the mode of going out on going up, and current AT power supply mode has adopted the mode of going out of the line, need reform transform current cubical switchboard, for the distance between the generating line satisfies the insulating distance that the cubical switchboard required, through AT internal fixed generating line taper sleeve of cabinet and arrester taper sleeve, realize the grafting of cast generating line and the grafting of arrester, make the thickness of having reduced the installation cover between generating line and the arrester, compare in adopting exposed copper conductor to further improve the distance between cast generating line and the arrester for both can keep insulating distance.

Description

Outgoing line structure on tubular bus of switch cabinet

Technical Field

The utility model relates to a cubical switchboard technical field specifically is outlet structure on the tubular bus of cubical switchboard.

Background

Along with the vigorous popularization of railway electrification, the current carrying capacity of a railway traction substation needs to be further expanded, the original cabinet type is that cables enter and exit from the lower part, and each phase is provided with a plurality of cables; the cable has the problems of large investment, large construction difficulty, high failure rate in operation, large maintenance workload, slow failure recovery and the like in actual use, and as a power supply system of a traction substation is compact in space after being transformed and severely restricts a power transmission line, for the existing electrified transformation project of the line, the existing power supply equipment adopts an upper-inlet and upper-outlet mode, the switch cabinet is used in transformation, and under the condition of not changing the foundation of the original substation and not transforming rooms of the substation, the switch cabinet is directly used, so that the investment is reduced, the transformation is convenient, and the equipment can be transformed into a GIS switch cabinet;

the AT power supply mode adopts a double-bus outgoing line mode, needs to be improved on the existing GS switch cabinet, so that the GS switch cabinet has the advantage of miniaturization, can meet the insulation distance and the upper outgoing line structure required by the existing switch cabinet, and the insulation distance is the net distance between two conductors, thereby providing the tubular insulation bus outgoing line structure of the switch cabinet, and ensuring that the switch cabinet can also ensure the miniaturization of the GS switch cabinet in the aspect of meeting the requirements of the insulation distance and the upper outgoing line mode.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wire outlet structure on the cast generating line of cubical switchboard makes the cubical switchboard can also satisfy the insulation distance in guaranteeing miniaturized advantage.

The utility model provides a following technical scheme: the upper outlet structure of the tubular bus of the switch cabinet comprises a cabinet body, wherein the cabinet body comprises a bus air chamber, a breaker air chamber, an instrument chamber, a lower cabinet body, a breaker and a three-station operating mechanism, and at least two tubular bus assemblies are fixed at the upper end of the cabinet body;

the tubular bus assembly comprises a bus taper sleeve fixed on the inner wall of the top of the cabinet body, a bus plug is embedded in the bus taper sleeve, a part of the bus plug exceeds the bus taper sleeve, the exceeding part of the bus plug is connected with a lead below the bus plug, and the upper end of the bus plug is connected with a tubular bus.

According to the technical scheme, the copper sleeve is fixed on the inner wall of the bus taper sleeve in a forming mode, and the bus plug is inserted into the copper sleeve.

According to the technical scheme, the upper end of the cabinet body is further fixed with an arrester assembly, the arrester assembly comprises an arrester taper sleeve fixed on the inner wall of the top of the cabinet body, an arrester plug is embedded in the arrester taper sleeve, one part of the arrester plug exceeds the arrester taper sleeve, the exceeding part of the arrester plug is connected with a wire below the arrester plug, the upper end of the arrester plug is connected with an arrester, and the arrester taper sleeve is made of insulating materials.

According to the technical scheme, the pressure contact spring is formed on the outer side of the arrester plug, and the second groove corresponding to the pressure contact spring is formed on the inner wall of the arrester taper sleeve.

According to the technical scheme, the bus air chamber is fixed at the upper end of the lower cabinet body, the top of the bus air chamber is fixed with a current transformer on the inner wall of the cabinet body, the current transformer is simultaneously connected with a tubular bus assembly and a lightning arrester assembly, one end of the circuit breaker and the three-station operating mechanism is connected with the circuit breaker, the circuit breaker and the current transformer are connected through a copper bar, one side of the bus air chamber is fixed with a three-station switch, the circuit breaker is connected with the three-station switch, a bus is included in the bus air chamber, and the three-station switch is connected with the bus.

According to the technical scheme, install circuit breaker vacuum fire extinguishing chamber in the circuit breaker air chamber, circuit breaker and three station operating device install between the last pile head of circuit breaker vacuum fire extinguishing chamber and lower pile head, and be located the upper end of instrument room, and the lower extreme of three station switches is connected with three station transfer lines, three station transfer lines are connected with circuit breaker and three station operating device.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is: fix cast generating line subassembly and arrester subassembly on the cabinet body, through at internal fixed bus taper sleeve of cabinet and arrester taper sleeve, and both are insulating material, utilize the grafting of bus taper sleeve and bus plug to accomplish the installation of cast generating line, the structure of arrester is the same with the mounting structure of cast generating line, the mounting structure outside the cabinet is compared to the structure of the internal insulating plug-in type of cabinet, the mounting sleeve thickness of generating line and arrester has been lacked between the two, compare in the insulating distance that adopts between the naked copper conductor, further improve the insulating distance between arrester and the cast generating line, avoid appearing the cabinet body too little problem that can not install arrester and cast generating line simultaneously for the last mode of being qualified for the next round of competitions of going out, no longer need carry out the transformation in room, construction simple to operate, the transformation and the investment cost of supporting facility have been reduced.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of a tubular bus bar assembly according to the present invention;

fig. 3 is a schematic structural view of the arrester assembly of the present invention;

in the figure: 1. a tubular bus bar assembly; 11. a bus taper sleeve; 12. a bus bar plug; 13. a copper sleeve; 14. a tubular busbar; 2. a lightning arrester assembly; 21. a lightning arrester taper sleeve; 22. a lightning arrester plug; 23. a pressure contact spring; 24. a second groove; 3. a current transformer; 4. a bus air chamber; 41. a bus bar; 5. a three-position switch; 6. a breaker vacuum extinguishing chamber; 7. a three-station transmission rod; 8. a lower cabinet body; 9. copper bars; 10. the circuit breaker and the three-station operating mechanism; 101. an instrument room.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1, the present invention provides a technical solution: the upper outlet structure of the tubular bus of the switch cabinet comprises a cabinet body, wherein the cabinet body comprises a bus air chamber 4, a breaker air chamber, an instrument room 101, a lower cabinet body 8 and an operating mechanism 10, and at least two tubular bus assemblies 1 are fixed on the cabinet body;

as shown in fig. 2, the tubular bus assembly 1 includes a bus taper sleeve 11 fixed on the inner wall of the top of the cabinet, a bus plug 12 is nested in the bus taper sleeve 11, a part of the bus plug 12 exceeds the bus taper sleeve 11, and the exceeding part of the bus plug 12 is connected with a lead below the bus plug 12, the upper end of the bus plug 12 is connected with a tubular bus 14, the bus taper sleeve 11 is made of an insulating material, in a switch cabinet with a rated voltage of 27.5KV and a current-carrying voltage of 2500A, for the use requirement of a type test, the existing switch cabinet needs to be modified, but the existing switch cabinet is not large enough, an air copper bar is exposed, so that the insulation distance is not enough, the cabinet width needs to be increased, and the bus taper sleeve 11 is inserted into the bus taper sleeve 11 in the cabinet, so that the insertion structure utilizes the insulated bus taper sleeve 11 to fix the bus plug 12, and the bus taper sleeve 11 is fixed in the cabinet body, compared with the existing installation structure of the tubular bus fixed on the cabinet body, the base between the tubular bus 14 is prevented from interfering, the thickness of the tubular bus assembly is reduced, and the distance between the tubular bus assembly 1 can be kept.

A copper sleeve 13 is fixed on the inner wall of the bus taper sleeve 11 in a forming mode, a bus plug 12 is inserted into the copper sleeve 13, and the bus plug 12 is inserted and fixed into the bus taper sleeve 11 through the copper sleeve 13.

As shown in fig. 3, the upper end of the cabinet body is further fixed with an arrester assembly 2, the arrester assembly 2 comprises an arrester taper sleeve 21 fixed on the inner wall of the top of the cabinet body, an arrester plug 22 is nested in the arrester taper sleeve 21, a part of the arrester plug 22 exceeds the arrester taper sleeve 21, the end of the arrester plug 22 is connected with an arrester, the arrester taper sleeve 21 is made of an insulating material, the arrester plug 22 is inserted into the arrester taper sleeve 21, the installation of the arrester is completed, the arrester taper sleeve 21 is fixed in the cabinet body, compared with the existing structure installed on the cabinet body, the thickness of the installation sleeve is reduced between the tubular bus assembly 1 and the arrester assembly 2, the distance between the tubular bus assembly 1 and the arrester assembly 2 can be enlarged, and therefore the tubular bus assembly 1 and the arrester assembly 2 can keep an insulation distance.

A pressure contact spring 23 is fixed on the outer side of the arrester plug 22, a second groove 24 corresponding to the pressure contact spring 23 is formed on the inner wall of the arrester taper sleeve 21, and the arrester plug 22 and the arrester taper sleeve 21 are fixed by the pressure contact spring 23 being embedded in the second groove 24.

Bus air chamber 4 is fixed in the upper end of the lower cabinet body 8, the top of bus air chamber 4 is fixed with current transformer 3 on the inner wall of the cabinet body, current transformer 3 is connected with cast generating line subassembly 1 and arrester subassembly 2 simultaneously, the one end of circuit breaker and three-station operating device 10 is connected with the circuit breaker, circuit breaker and current transformer 3 pass through copper bar 9 and connect, one side of bus air chamber 4 is fixed with three-station switch 5, the circuit breaker is connected with three-station switch 5, include generating line 41 in the bus air chamber 4, three-station switch 5 is connected with generating line 41, protect the circuit breaker through current transformer 3, through three-station switch 5's motion, realize the different operating condition of cubical switchboard.

The breaker fire extinguishing chamber 6 is installed in the breaker air chamber, the breaker and the three-station operating mechanism 10 are installed between the upper pile head and the lower pile head of the breaker fire extinguishing chamber 6 and located at the upper end of the instrument chamber 101, the lower end of the three-station switch 5 is connected with the three-station transmission rod 7, the three-station transmission rod 7 is connected with the breaker and the three-station operating mechanism 10, the three-station transmission rod 7 is driven to move through the movement of the breaker and the three-station operating mechanism 10, the three-station switch 5 is made to move, and therefore the working state of the switch cabinet is changed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Go out line structure on cubical switchboard's cast generating line, its characterized in that: the intelligent cabinet comprises a cabinet body, wherein the cabinet body comprises a bus air chamber, a breaker air chamber, an instrument chamber, a lower cabinet body, a breaker and a three-station operating mechanism, and at least two tubular bus assemblies are fixed at the upper end of the cabinet body;

2. The tubular busbar outgoing line structure of the switch cabinet as claimed in claim 1, wherein: and a copper sleeve is fixed on the inner wall of the bus taper sleeve in a molding manner, and the bus plug is inserted in the copper sleeve.

3. The tubular busbar outgoing line structure of the switch cabinet as claimed in claim 1, wherein: the utility model discloses a cabinet body, including cabinet body top, the internal wall of cabinet is fixed with the arrester taper sleeve, and the internal nestification of arrester taper sleeve has the arrester plug, and a part of arrester plug surpasss the arrester taper sleeve, and the wire below the portion that surpasss of arrester plug is connected, the upper end of arrester plug is connected with the arrester, the arrester taper sleeve is insulating material.

4. The tubular busbar outgoing line structure of the switch cabinet as claimed in claim 3, wherein: and a pressure contact spring is formed on the outer side of the arrester plug, and a second groove corresponding to the pressure contact spring is formed on the inner wall of the arrester taper sleeve.

5. The tubular busbar outgoing line structure of the switch cabinet as claimed in claim 1, wherein: the utility model discloses a three-station bus air chamber, including the cabinet body, the upper end of cabinet body under the bus air chamber is fixed, the top of bus air chamber is fixed with current transformer on the inner wall of the cabinet body, current transformer simultaneously with cast bus assembly and arrester subassembly connection, circuit breaker and three station operating device's one end is connected with the circuit breaker, circuit breaker and current transformer pass through the copper bar and connect, one side of bus air chamber is fixed with three station switches, the circuit breaker is connected with three station switches, include the generating line in the bus air chamber, three station switches are connected with the generating line.

6. The tubular busbar wiring structure of the switch cabinet according to claim 5, wherein: install circuit breaker vacuum chamber of putting out a fire in the circuit breaker gas chamber, circuit breaker and three station operating device install between the last pile head of circuit breaker vacuum chamber of putting out a fire and lower pile head, and be located the upper end of instrument room, and the lower extreme of three station switches is connected with three station transfer lines, three station transfer lines are connected with circuit breaker and three station operating device.