CN214958307U

CN214958307U - Type armored movable type AC metal-enclosed switchgear

Info

Publication number: CN214958307U
Application number: CN202121714034.9U
Authority: CN
Inventors: 王赞锋; 叶尊平
Original assignee: Shangke Electric Group Co ltd
Current assignee: Shangke Electric Group Co ltd
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2021-11-30
Anticipated expiration: 2031-07-27

Abstract

The utility model discloses a type armor moves open and exchanges metal-enclosed switchgear, including mounting box, generating line room and shutter plate, the generating line room is installed to one side of mounting box inner wall, the opposite side of mounting box inner wall is connected with the shutter plate, the handcart room is installed to one side on generating line room surface, the cable chamber is installed to one side of generating line room bottom, the relay instrument room is installed to one side on cable chamber surface. The utility model discloses an installation box, generating line room, handcart room, cable chamber and relay instrument room to reached and made things convenient for the staff to carry out the effect that circuit protected with the inside of device, through the setting of shutter board, vacuum circuit breaker handcart and generating line terminal room, thereby reached and made things convenient for the staff to carry out the effect of locking device cabinet door, and be convenient for use.

Description

Type armored movable type AC metal-enclosed switchgear

Technical Field

The utility model relates to a metal enclosed switchgear technical field specifically is a type armor formula of moving away exchanges metal enclosed switchgear.

Background

The armored movable type alternating current metal closed switch device is used for a power system with three-phase alternating current of fifty hertz, rated voltage of twelve kilovolts and rated current of less than three thousand, one hundred and fifty amperes, and is used for receiving and distributing electric energy and controlling, protecting and monitoring circuits.

Reference CN207303715U discloses a novel armor type withdrawable alternating current metal-enclosed switchgear, including "the cabinet body, it is connected with the top door to rotate through two first hinges on the cabinet body, it is connected with the middle door to rotate through four second hinges on the cabinet body, it is connected with the lower door to rotate through four third hinges on the cabinet body, the symmetry is equipped with two locking screws on the top door, be equipped with the first in command and the second in command on middle door and the lower door respectively, all be equipped with the radiating area on middle door and the lower door, it is connected with a plurality of pressure relief covers to rotate through the fourth hinge on the cabinet body, every pressure relief cover still passes through nylon bolt and cabinet body fixed connection, one side that the top door was kept away from to the cabinet body is equipped with first back shrouding and second back shrouding, still install the crossbeam on the cabinet body. The utility model discloses stable in structure overhauls conveniently, and the security is high, and the pressure release lid is difficult for droing, is worth promoting ", when using among the above-mentioned device, the staff need be with the effect of the quick use of device, but most of devices are difficult to carry out this technique, lead to the use inconvenient.

A type armor withdraws formula and exchanges metal-enclosed switchgear shortcoming not enough among the prior art:

1. in the prior art, when the armored movable type alternating current metal closed switch equipment is used, a worker needs to perform a power supply protection effect on the inside of the device, but internal power supply circuits of most devices are very dense, so that the use effect is poor, accidents can occur, and the use effect is poor;

2. a type armor withdrawable exchanges metal-enclosed switchgear among the prior art, during the use, the staff need with carrying out station location and locking of device, but most of devices are when using, and misoperation is more, and uses insecurely, leads to the mechanism to damage easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a type armor withdraws formula and exchanges metal-enclosed switchgear to solve the problem that proposes among the above-mentioned background art.

In order to achieve the purpose, the utility model provides a following technical scheme, a type armor moves away formula and exchanges metal-enclosed switchgear, including mounting box, generating line room and valve plate, the generating line room is installed to one side of mounting box inner wall, the opposite side of mounting box inner wall is connected with the valve plate, the handcart room is installed to one side on generating line room surface, the cable chamber is installed to one side of generating line room bottom, relay instrument room is installed to one side on cable chamber surface.

Preferably, one side of the valve plate is connected with a driving device, a vacuum circuit breaker handcart is arranged at the bottom of the inner wall of the cable chamber, and a bus terminal chamber is installed at one side of the inner wall of the relay instrument chamber.

Preferably, one side of the inner wall of the bus bar chamber is connected with a main bus bar, and one end of the main bus bar is connected with a branch bus bar.

Preferably, one end of the branch bus is connected with a current transformer, and one side of the surface of the current transformer is connected with a contact box.

Preferably, one side of the inner wall of the bus bar chamber is provided with a lighting lamp, the other side of the inner wall of the bus bar chamber is provided with an insulator, one side of the insulator is connected with a zinc oxide arrester, an insulating partition plate is arranged on one side of the zinc oxide arrester, and the other side of the zinc oxide arrester is provided with a grounding switch.

Preferably, there is instrument room door one side on mounting box surface through hinged joint, the opposite side on mounting box surface is connected with handcart room door, simulation female coil is installed to one side on handcart room door surface, the data plate is installed to the opposite side on handcart room door surface.

Preferably, the bus sleeve is installed at the top of mounting box one side, the fixed plate is installed to one side at mounting box top, the joint groove has been seted up to one side on fixed plate surface.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses an installation box, generating line room, handcart room, cable chamber and relay instrument room to reached and made things convenient for the staff to carry out the effect that circuit protection with the inside of device.

2. The utility model discloses a shutter board, vacuum circuit breaker handcart and the setting of bus terminal subchamber to reached and made things convenient for the staff to carry out the effect of locking device cabinet door, and be convenient for use.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic structural view of the zinc oxide arrester of the present invention;

fig. 3 is a schematic structural view of the bus bar sleeve of the present invention;

fig. 4 is a schematic diagram of the structure of the joint groove of the present invention.

In the figure: 1. mounting a box; 2. a bus chamber; 3. a shutter plate; 4. a handcart room; 5. a cable chamber; 6. a relay instrument room; 7. a vacuum circuit breaker handcart; 8. a bus terminal sub-chamber; 9. a main bus; 10. a branch bus; 11. a current transformer; 12. a contact box; 13. an illuminating lamp; 14. an insulator; 15. a zinc oxide arrester; 16. an insulating spacer; 17. a grounding switch; 18. a hinge; 19. an instrument room door; 20. a handcart room door; 21. simulating a mother coil; 22. a nameplate; 23. a bus bushing; 24. a fixing plate; 25. a clamping groove.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, an embodiment of the present invention provides a molded armor removal type ac metal-enclosed switchgear, including a mounting box 1, a bus chamber 2 and a shutter plate 3, wherein the bus chamber 2 is installed on one side of the inner wall of the mounting box 1, the shutter plate 3 is connected to the other side of the inner wall of the mounting box 1, a handcart chamber 4 is installed on one side of the surface of the bus chamber 2, a cable chamber 5 is installed on one side of the bottom of the bus chamber 2, and a relay instrument chamber 6 is installed on one side of the surface of the cable chamber 5;

when in use, the device is divided into a cabinet body and a handcart, the cabinet body is formed by bending a steel plate and assembling the steel plate by bolts after plastic spraying, and the device can be divided into four parts, namely a relay instrument room 6, a handcart room 4, a cable room 5 and a bus room 2 according to functional characteristics, each part is separated by a grounded metal partition plate, and the protection grade of the cabinet body shell is IP4X, the handcart room door 20 is opened, the protection grade is IP2X, the switch device has main circuit schemes of cable inlet and outlet, overhead inlet and outlet, bus connection, isolation, voltage mutual inductor, lightning arrester and the like, the bus adopts composite insulation, the phase and the connector are provided with an insulation sleeve which is formed by injection molding of flame retardant materials, the main bus 9 is separated from the adjacent cabinets by a bus sleeve 23, so that the accident spreading can be effectively prevented, meanwhile, the main bus 9 is supported in an auxiliary mode, and the cable chamber 5 is provided with the grounding switch 17, the overvoltage protection device and the like, so that the effect that workers can conveniently protect the circuit inside the device is achieved;

referring to fig. 2, a molded armored withdrawable alternating current metal-enclosed switchgear includes a vacuum circuit breaker handcart 7, a bus terminal chamber 8 and a shutter plate 3, one side of the shutter plate 3 is connected with a driving device, the bottom of the inner wall of a cable chamber 5 is provided with the vacuum circuit breaker handcart 7, and one side of the inner wall of a relay instrument chamber 6 is provided with the bus terminal chamber 8;

when in use, a metal valve is arranged in front of the contact box 12, the upper valve and the lower valve are automatically opened when the handcart moves from a disconnection test position to a working position, the handcart is automatically closed when moving in the opposite direction and is effectively isolated from high voltage, the main switch, the handcart, the grounding switch 17 and a cabinet door are connected and pressed in a forced mechanical free locking mode, the requirements of a five-prevention function are met, the handcart of the circuit breaker adopts a lead screw transmission propulsion mechanism and an overrunning clutch, the lead screw nut propulsion mechanism is easily operated to enable the handcart to move between a test position and a working position, the handcart can be reliably locked at the working position by virtue of the self-locking property of a lead screw nut, accidents caused by handcart shifting due to the action of electric power are prevented, the overrunning clutch plays a role when the handcart moves back to the test position and the working position, an operating shaft and a lead screw shaft are automatically separated to idle, and the propulsion mechanism can be prevented from being damaged due to misoperation. Other hand trucks employ lever propulsion mechanisms. The test working position is locked by the positioning pin, so that the effect of conveniently locking the cabinet door of the device by a worker is achieved, and the use is convenient;

one side of the inner wall of the bus chamber 2 is connected with a main bus 9, one end of the main bus 9 is connected with a branch bus 10, one end of the branch bus 10 is connected with a current transformer 11, one side of the surface of the current transformer 11 is connected with a contact box 12, one side of the inner wall of the bus chamber 2 is provided with an illuminating lamp 13, the other side of the inner wall of the bus chamber 2 is provided with an insulator 14, one side of the insulator 14 is connected with a zinc oxide arrester 15, one side of the zinc oxide arrester 15 is provided with an insulating partition plate 16, the other side of the zinc oxide arrester 15 is provided with a grounding switch 17, one side of the surface of the mounting box 1 is connected with an instrument chamber door 19 through a hinge 18, the other side of the surface of the mounting box 1 is connected with a handcart chamber door 20, one side of the surface of the handcart chamber door 20 is provided with an analog bus coil 21, the other side of the surface of the handcart chamber door 20 is provided with an nameplate 22, and the top of one side of the mounting box 1 is provided with a bus sleeve 23, a fixing plate 24 is installed on one side of the top of the installation box 1, and a clamping groove 25 is formed in one side of the surface of the fixing plate 24.

The utility model discloses in, the device's working procedure as follows:

when in use, the device is divided into two parts of a cabinet body and a handcart, the cabinet body is bent by a steel plate and assembled by bolts after plastic spraying, and can be divided into four parts of a relay instrument room 6, a handcart room 4, a cable room 5 and a bus room 2 according to functional characteristics, each part is separated by a grounded metal partition plate, the protection grade of the shell of the cabinet body is IP4X, the door 20 of the handcart room is opened, and the protection grade is IP2X, the switch device has main circuit schemes of cable inlet and outlet wires, overhead inlet and outlet wires, bus connection, isolation, a voltage transformer, a lightning arrester and the like, the buses adopt composite insulation, insulation sleeves which are formed by injection molding of flame retardant materials are arranged at intervals and connectors, the adjacent cabinets of the main buses 9 are separated by bus sleeves 23, the accident spreading can be effectively prevented, meanwhile, the auxiliary supporting function is played to the main buses 9, the grounding switch 17, an overvoltage protection device and the like are arranged in the cable room 5, thereby achieving the effect of facilitating a worker to carry out circuit protection in the device, when in use, a metal valve is arranged in front of the contact box 12, the upper valve and the lower valve are automatically opened when the handcart moves from a disconnection test position to a working position, the handcart is automatically closed when moving in the opposite direction and is effectively isolated from high voltage, the main switch, the handcart, the grounding switch 17 and a cabinet door are connected and pressed in a forced mechanical free locking mode, the requirements of a five-prevention function are met, the handcart of the circuit breaker adopts a lead screw transmission propulsion mechanism and an overrunning clutch, the lead screw nut propulsion mechanism is easily operated to enable the handcart to move between a test position and a working position, the handcart can be reliably locked at the working position by virtue of the self-locking property of a lead screw nut, accidents caused by handcart shifting due to the action of electric power are prevented, the overrunning clutch plays a role when the handcart moves back to the test position and the working position, an operating shaft and a lead screw shaft are automatically separated to idle, and the propulsion mechanism can be prevented from being damaged due to misoperation. Other hand trucks employ lever propulsion mechanisms. The test working position is locked by the positioning pin, so that the effect of conveniently locking the cabinet door of the device by a worker is achieved, and the cabinet door is convenient to use.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a type armor withdraws formula and exchanges metal-enclosed switchgear, includes mounting box (1), bus-bar room (2) and shutter board (3), its characterized in that: a bus chamber (2) is arranged on one side of the inner wall of the mounting box (1), and a shutter plate (3) is connected to the other side of the inner wall of the mounting box (1);

handcart room (4) are installed to one side on bus-bar room (2) surface, cable chamber (5) are installed to one side of bus-bar room (2) bottom, relay instrument room (6) are installed to one side on cable chamber (5) surface.

2. A form-armoured withdrawable ac metal-enclosed switchgear, according to claim 1, characterized in that: one side of valve board (3) is connected with drive arrangement, the bottom of cable chamber (5) inner wall is provided with vacuum circuit breaker handcart (7), bus-bar terminal room (8) are installed to one side of relay instrument room (6) inner wall.

3. A form-armoured withdrawable ac metal-enclosed switchgear, according to claim 1, characterized in that: one side of the inner wall of the bus chamber (2) is connected with a main bus (9), and one end of the main bus (9) is connected with a branch bus (10).

4. A form-armoured withdrawable ac metal-enclosed switchgear, according to claim 3, characterized in that: one end of the branch bus (10) is connected with a current transformer (11), and one side of the surface of the current transformer (11) is connected with a contact box (12).

5. A form-armoured withdrawable ac metal-enclosed switchgear, according to claim 1, characterized in that: one side of bus-bar room (2) inner wall is provided with light (13), insulator (14) are installed to the opposite side of bus-bar room (2) inner wall, one side of insulator (14) is connected with zinc oxide arrester (15), insulating barrier (16) are installed to one side of zinc oxide arrester (15), earthing switch (17) are installed to the opposite side of zinc oxide arrester (15).

6. A form-armoured withdrawable ac metal-enclosed switchgear, according to claim 1, characterized in that: one side on mounting box (1) surface is connected with instrument room door (19) through hinge (18), the opposite side on mounting box (1) surface is connected with handcart room door (20), simulation female coil (21) are installed to one side on handcart room door (20) surface, data plate (22) are installed to the opposite side on handcart room door (20) surface.

7. A form-armoured withdrawable ac metal-enclosed switchgear, according to claim 1, characterized in that: the bus sleeve (23) is installed at the top of mounting box (1) one side, fixed plate (24) is installed at one side of mounting box (1) top, joint groove (25) have been seted up to one side on fixed plate (24) surface.