CN206894116U - Low voltage drawing-out switching carbinet - Google Patents

Abstract

The utility model discloses a kind of low voltage drawing-out switching carbinet, including low-voltage cabinet body；Low-voltage cabinet body includes incoming line cabinet, outgoing line cabinet and capacitor box；Incoming line cabinet includes the first support body, and the front side of the first support body is provided with the first front door；Capacitor box includes the second support body, and the front side of the second support body is provided with the second front door；Outgoing line cabinet includes triframe body, and triframe body is provided with multiple drawer loop units；Rear Door is respectively arranged with rear side of support body；The top of Rear Door is provided with rear door guard plate；The top of support body is bus-bar room, and main bus-bar row's dividing plate is provided with bus-bar room, a crossbeam is provided with the top of support body, top plate is provided with the top of support body, top plate is made up of upper plate, middle top plate and lower roof plate three parts.The utility model is improved support body top structure, and support body is in open type upward, and top plate can be raised after improving in addition, realize that bus hangs in installation from top, more time saving and energy saving than original in-site installation main bus-bar after improvement, substantially increase cabinet practicality.

Description

Low voltage withdrawable switchgear

technical field

The utility model relates to a low-voltage withdrawable switch cabinet.

Background technique

The low-voltage cabinet is suitable for low-voltage power grids with AC 50Hz, rated working voltage of 400V, and rated current of 6300A and below. It is used in power generation, transmission, and distribution systems as power lighting, power conversion, and protection devices. The existing low-voltage cabinets have the following disadvantages: the cost of the existing low-voltage cabinets is high, and the top cover of the cabinet needs to be removed when the main busbar is installed or replaced, which is time-consuming and laborious, and the assembly is not convenient enough; the main frame of the low-voltage cabinet is all made of C profiles Assembled, it is not conducive to assembly production, and its internal cell partition structure is simple and not uniform; the roof structure of the cabinet is a whole mesh panel, and the main busbar can only enter the cabinet from the side of the cabinet for installation, which is difficult to implement on site. It brings a lot of inconvenience to the on-site installation; the front door panel structure of the low-voltage cabinet is a whole door panel, the door panel is too large, it is easy to deform during assembly and transportation, and the practicability is not high.

Utility model content

In order to overcome the deficiencies of the prior art above, the utility model provides a low-voltage withdrawable switchgear, which adopts an assembled roof, the middle roof and the lower roof are assembled by hinges, the middle roof can be lifted upwards, and cooperates with the frame body to realize the busbar The installation is lifted from the top, which overcomes the inconvenience of on-site installation of the main busbar and the limited space, saves time and effort, and greatly improves the practicability of the cabinet; the ventilation grid is installed on the top plate, which greatly improves the heat dissipation of the cabinet.

The technical scheme adopted in the utility model is:

A low-voltage withdrawable switchgear, including a low-voltage cabinet body, the front and rear of the top of the low-voltage cabinet body are provided with door lintels, and the folded edge of the brow of the door lintel is obliquely folded; the low-voltage cabinet body includes an incoming line cabinet , the outgoing line cabinet and the capacitor cabinet, the incoming line cabinet, the outgoing line cabinet and the capacitor cabinet are separated from each other by a baffle; the described incoming line cabinet includes a first frame, and the front side of the first frame is provided with a first The front door panel, the first front door panel is composed of the first upper front door panel and the first lower front door panel; the first upper front door panel and the first lower front door panel are respectively provided with door locks, and the first upper front door panel There is an electric energy meter on the top, two indicator lights and two operation buttons are arranged under the electric energy meter, a circuit breaker door frame is arranged on the lower part of the first front door panel, and the first frame body is connected The corresponding position is provided with a drawer type circuit breaker; the capacitor cabinet includes a second frame body, the front side of the second frame body is provided with a second front door panel, and the second front door panel is composed of the second upper front door panel and the first Composed of two lower front door panels, the second upper front door panel and the second lower front door panel are respectively provided with door locks, the second upper front door panel is provided with a first operating handle, and the upper part of the second lower front door panel is There are three ammeters and a comprehensive power distribution measurement and control instrument, and a circular vent is provided at the lower part of the second lower front door; the outlet cabinet includes a third frame body, and multiple drawer circuits are arranged on the third frame body unit, the plurality of drawer circuit units are respectively provided with a second operating handle and a smart meter, and the smart meter is provided with an ammeter, an indicator light and an operation button, and the drawer circuit unit is provided with an incoming line protective cover; The third frame body is provided with a plurality of drawer-type plug-ins; the rear sides of the first frame body, the second frame body and the third frame body are respectively provided with rear door panels; the top of the rear door panel is provided with a rear door baffle , the rear door baffle is fixedly mounted on the frame body through fastening buckles; a plurality of ventilation grids are arranged on the rear door baffle; window, the inner wall of the window is close to the transparent plate; the upper parts of the first frame body, the second frame body and the third frame body are busbar chambers respectively, and busbar clamps are arranged in the busbar chambers; the busbar chambers The front side is respectively provided with a front fixing plate, and a nameplate is arranged on the front fixing plate; a main bus bar partition is arranged in the said bus room, and the main bus bar partition is located behind the front fixing plate, and is connected with the front fixing plate There is a certain gap between them, the folded edge of the main bus bar partition; the top of the first frame body, the second frame body and the third frame body is provided with a crossbeam, the length of the crossbeam is less than the width of the frame body, One end of the beam is fixedly connected to the frame body, and the other end is connected to the vertical beam arranged in the busbar room; the tops of the first frame body, the second frame body and the third frame body are respectively provided with a top plate, and the top plate Located above the crossbeam, the roof is composed of three parts: the upper roof, the middle roof and the lower roof. The upper roof and the lower roof are respectively fixedly connected with the frame body, and the middle roof is hingedly connected with the lower roof through a hinge. A plurality of ventilation grids are respectively arranged on the upper top plate and the middle top plate.

Further, the baffle adopts galvanized steel plate.

Further, the top plate is made of cold-rolled steel plate.

Further, a plurality of suspension rings are provided on the top plate, which is convenient for hoisting.

Further, the first frame body, the second frame body and the third frame body are respectively fastened and connected by a plurality of mounting beams through screws and hexagonal bolts.

Further, capacitors and reactors are provided on the second frame, and an isolating switch is also provided on the second frame, and the isolating switch is connected to the operating handle.

Further, guide rails are respectively provided on both sides of the third frame, and the drawer circuit unit is arranged on the guide rails. The drawer circuit unit has three specifications of 8E, 16E, and 24E, and each specification is suitable for installing different current level switch.

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

(1) The door lintel with oblique folded edges is adopted, and the main bus bar partition is installed in the bus room of the incoming line cabinet, capacitor cabinet and outgoing line cabinet to form a small bus bar channel and improve the performance of the cabinet body;

(2) A crossbeam is set on the upper part of the frame body. The length of the beam is smaller than the width of the frame body, so that the frame body is opened upwards. After the busbar is installed, it can be directly hoisted into the cabinet from the top of the frame body for installation. The main busbar The installation and disassembly of the row is convenient, the assembly time is shortened, and the work efficiency is improved;

(3) The front door panels of the incoming line cabinet and the capacitor cabinet adopt two upper and lower door panels, which overcome the deformation during transportation and assembly, and improve the practicability of the door panels; reduce the height of the rear door panel, improve the strength of the rear door panel, and place it above the rear door panel The rear door stop is set and fixed with a fastening buckle. The rear door stop is equipped with a ventilation grid, which can effectively ventilate and dissipate heat;

(4) The assembled roof is adopted, the middle roof and the lower roof are assembled with hinges, the middle roof can be lifted upwards, and cooperate with the frame body to realize the installation of the busbar from the top, which overcomes the inconvenience of on-site installation of the main busbar and saves time Labor-saving greatly improves the practicability of the cabinet; the ventilation grid is set on the top plate, which greatly improves the heat dissipation of the cabinet.

Description of drawings

Fig. 1 is the front view of the incoming line cabinet of the utility model embodiment;

Fig. 2 is a side view of the incoming line cabinet of the utility model embodiment;

Fig. 3 is the front view of the capacitor cabinet of the utility model embodiment;

Fig. 4 is the side view of the capacitor cabinet of the utility model embodiment;

Fig. 5 is the front view of the outlet cabinet of the utility model embodiment;

Fig. 6 is a side view of the outlet cabinet of the utility model embodiment;

Fig. 7 is a schematic diagram of the top plate structure of the utility model embodiment;

Fig. 8 is a side view of the lintel of the utility model embodiment;

Fig. 9 is a schematic structural view of the rear door baffle according to the embodiment of the present invention;

Among them, 1. Incoming line cabinet, 2. Outgoing line cabinet, 3. Capacitor cabinet, 4. The first frame body, 5. The first upper front door panel, 6. The first lower front door panel, 7. Door lock, 8. Energy meter , 9. Indicator light, 10. Operation button, 11. Door frame, 12. Drawer type circuit breaker, 13. Door lintel, 14. Busbar room, 15. Busbar clamp, 16. Front fixing plate, 17. Main busbar partition, 18, beam, 19, vertical beam, 20, upper roof, 21, middle roof, 22, lower roof, 23, ventilation grid, 24, ring, 25, window, 26, hinge, 27, rear door panel, 28, Rear door baffle, 29, second frame body, 30, second upper front door panel, 31, second lower front door panel, 32, first operating handle, 33, ammeter, 34, comprehensive power distribution monitoring and control instrument, 35, air vent , 36, isolating switch, 37, capacitor, 38, reactor, 39, third frame, 40, drawer circuit unit, 41, second operating handle, 42, intelligent instrument, 43, nameplate, 44, guide rail.

detailed description

Below in conjunction with accompanying drawing, the utility model is further described.

This embodiment provides a low-voltage withdrawable switchgear. The low-voltage withdrawable switchgear includes a low-voltage cabinet body. Door lintels 13 are arranged on the front and back of the top of the low-voltage cabinet body. As shown in Figure 8; the low-voltage cabinet body includes incoming line cabinet 1, outgoing line cabinet 2 and capacitor cabinet 3. The incoming line cabinet 1, outgoing line cabinet 2 and capacitor cabinet 3 are separated from each other by baffles, and the baffles are made of galvanized steel plates.

As shown in Figures 1 and 2, the incoming line cabinet 1 includes a first frame body 4, which is formed by fastening and connecting multiple installation beams through screws and hexagonal bolts, and the front side of the first frame body 4 is provided with There is a first front door panel, and the first front door panel is composed of the first upper front door panel 5 and the first lower front door panel 6; the first upper front door panel 5 and the first lower front door panel 6 are respectively provided with door locks 7, the first An electric energy meter 8 is arranged on the upper front door panel, two indicator lights 9 and two operation buttons 10 are arranged below the electric energy meter 8, a circuit breaker door frame 11 is arranged on the bottom of the first front door panel, and a circuit breaker door frame 11 is arranged on the first front door panel. A drawer-type circuit breaker 12 is arranged on a frame body corresponding to the circuit breaker door frame; a window 25 is opened on the first lower front door panel, and the inner side wall of the window 25 is close to the transparent plate; the first frame The upper part of the body 4 is a busbar chamber 14, and a busbar clamp 15 is provided in the busbar chamber 14; a front fixing plate 16 is provided on the front side of the busbar chamber, and a nameplate 43 is arranged on the front fixing plate 16; the busbar chamber 14 is provided with a main bus bar partition 17, the main bus bar partition 17 is located at the back of the front fixing plate 16, and there is a certain gap between the front fixing plate 16; the top of the first frame body 4 is provided with a Crossbeam 18, the length of the crossbeam 18 is less than the width of the frame body, one end of the crossbeam 18 is fixedly connected with the first frame body, and the other end is connected with the vertical beam 19 arranged in the busbar room, the top of the busbar room is open , can realize the installation of the bus bar; the top of the first frame body is provided with a top plate, the top plate is made of cold-rolled steel plate, and the top plate is located above the beam 18, as shown in Figure 7, the top plate consists of the upper top plate 20, the middle Top board 21 and lower top board 22 are composed of three parts, upper top board 20 and lower top board 22 are respectively fixedly connected with the first frame body, middle top board 21 is hingedly connected with lower top board 22 by hinge 26, upper top board 20 and middle top board 21 are respectively provided with There are a plurality of ventilation grids 23; four suspension rings 24 are arranged on the top plate; a rear door panel 27 is arranged on the rear side of the first frame body; a rear door baffle plate 28 is arranged above the rear door panel 27, as shown in Figure 9 , the rear door baffle 28 is fixedly installed on the first frame body through fastening buckles; the rear door baffle 28 is provided with a plurality of ventilation grids 23 .

As shown in Figures 3 and 4, the capacitor cabinet 3 includes a second frame body 29, the second frame body 29 is formed by fastening and connecting a plurality of mounting beams through screws and hexagonal bolts, and the front side of the second frame body 29 is provided with The second front door panel, the second front door panel is composed of a second upper front door panel 30 and a second lower front door panel 31, and the second upper front door panel 30 and the second lower front door panel 31 are respectively provided with door locks 7, The second upper front door panel 30 is provided with a first operating handle 32, the upper part of the second lower front door panel 31 is provided with three ammeters 33 and a power distribution comprehensive measurement and control instrument 34, and the lower part of the second lower front door panel 31 is A circular vent 35 is provided; an isolating switch 36 is provided at a position corresponding to the first operating handle on the second frame, and the isolating switch 36 is connected to the operating handle; the second lower front door panel 31 is opened There is a window 25, the inner wall of the window 25 is close to the transparent plate; the upper part of the second frame body 29 is a busbar chamber 14, and the busbar clamp 15 is arranged in the busbar chamber 14; the front side of the busbar chamber is provided with The front fixing plate 16 is provided with a nameplate 43 on the front fixing plate 16; a main busbar partition 17 is arranged in the described bus chamber 14, and the main busbar partition 17 is located at the back of the front fixing plate 16, and is connected with There is a certain gap between the front solid plates 16; the top of the second frame body 29 is provided with a crossbeam 18, the length of the crossbeam 18 is less than the width of the frame body, and one end of the crossbeam 18 is fixedly connected with the second frame body, The other end is connected with the vertical beam 19 arranged in the busbar room, the top of the busbar room is open, and the busbar can be hoisted into and installed; the top of the second frame body 29 is provided with a top plate 20, and the top plate is made of cold-rolled steel plate , the top plate 20 is located above the beam 18, as shown in Figure 7, the top plate 20 is made up of three parts: the upper top plate 20, the middle top plate 21 and the lower top plate 22, and the upper top plate 20 and the lower top plate 22 are fixedly connected with the second frame body respectively , the middle roof 21 is hingedly connected with the lower roof 22 through a hinge 26, and the upper roof 20 and the middle roof 21 are respectively provided with a plurality of ventilation grids 23; the roof is provided with four suspension rings 24; Side is provided with rear door panel 27; The top of described rear door panel 27 is provided with rear door baffle 28, as shown in Figure 9, described rear door baffle 28 is fixedly installed on the second frame body by fastening buckle; A plurality of ventilation grids 23 are arranged on the plate 28; capacitors 37 and reactors 38 are arranged on the second frame.

As shown in Figures 5 and 6, the outlet cabinet 2 includes a third frame body 39, which is formed by fastening and connecting a plurality of mounting beams through screws and hexagonal bolts, and the third frame body 39 is provided with A plurality of drawer circuit units 40, the plurality of drawer circuit units 40 are respectively provided with a second operating handle 41 and a smart meter 42, the smart meter 42 is provided with an ammeter, an indicator light and an operation button, and the drawer circuit unit 40 is provided with an incoming line protective cover; the two sides of the third frame body are respectively provided with guide rails 44, and the drawer circuit unit 40 is arranged on the guide rails 44, and the drawer circuit unit 40 has three types: 8E, 16E, and 24E Specifications, each specification is suitable for installing switches of different current levels; the third frame body 39 is provided with a plurality of drawer-type plug-ins; the upper part of the third frame body 39 is a bus chamber 14, and the bus chamber 14 is equipped with There is a bus clamp 15; the front side of the bus chamber is provided with a front fixing plate 16, and a nameplate 43 is arranged on the front fixing plate 16; a main bus row partition 17 is arranged in the described bus chamber 14, and the main bus Row dividing plate 17 is positioned at the back of front fixing plate 16, and there is certain gap with front fixing plate 16; The top of described 3rd frame body 39 is provided with a crossbeam 18, and the length of described crossbeam 18 is less than the width of frame body, One end of the beam 18 is fixedly connected to the third frame body, and the other end is connected to the vertical beam 19 arranged in the busbar room. The top of the busbar room is open, which can realize the installation of the busbar; the third frame body 39 The top of the top is provided with a top plate 20, the top plate is made of cold-rolled steel plate, the top plate 20 is located above the beam 18, as shown in Figure 7, the top plate 20 is composed of three parts: the upper top plate 20, the middle top plate 21 and the lower top plate 22. The top board 20 and the lower top board 22 are respectively fixedly connected with the third frame body, the middle top board 21 is hingedly connected with the lower top board 22 through the hinge 26, and the upper top board 20 and the middle top board 21 are respectively provided with a plurality of ventilation grids 23; Four suspension rings 24; the rear side of the third frame body 39 is provided with a back door 27; the top of the back door 27 is provided with a back door baffle 28, as shown in Figure 9, the back door baffle 28 is fastened The buckle is fixedly installed on the third frame body; the rear door baffle plate 28 is provided with a plurality of ventilation grids 23 .

The utility model adopts the door lintel with oblique folded edges, and sets the main bus bar partition in the bus room of the incoming line cabinet, capacitor cabinet and outgoing line cabinet to form a small bus bar channel and improve the performance of the cabinet body; a beam is set on the upper part of the frame body, The length of the beam is smaller than the width of the frame body, so that the frame body is opened upwards, and the busbar can be directly hoisted into the cabinet body from the top of the frame body for installation after the installation of the busbar. The main busbar is easy to install and disassemble, shortens the assembly time, and improves work Efficiency; the front door panels of the incoming line cabinet and the capacitor cabinet use two upper and lower door panels, which overcome the deformation during transportation and assembly, and improve the practicability of the door panels; reduce the height of the rear door panel, improve the strength of the rear door panel, and install it above the rear door panel The rear door stop is fixed with a fastening buckle. There is a ventilation grill on the rear door stop, which can effectively ventilate and dissipate heat. The assembled top plate is adopted. The middle top plate and the lower top plate are assembled with hinges. The middle top plate can be lifted upwards to cooperate with the frame body. The busbar is hoisted into the installation from the top, which overcomes the inconvenience of on-site installation of the main busbar and the limited space, saves time and effort, and greatly improves the practicability of the cabinet; the ventilation grid is installed on the top plate, which greatly improves the heat dissipation of the cabinet .

Although the specific implementation of the utility model has been described above in conjunction with the accompanying drawings, it does not limit the protection scope of the utility model. Those skilled in the art should understand that on the basis of the technical solution of the utility model, those skilled in the art do not need to Various modifications or deformations that can be made with creative efforts are still within the protection scope of the present utility model.

Claims (7)

1. a kind of low voltage drawing-out switching carbinet, it is characterized in that, including low-voltage cabinet body, before and after the top of the low-voltage cabinet body Provided with lintel, the flanging of the lintel brows is bias side；The low-voltage cabinet body includes incoming line cabinet, outgoing line cabinet and capacitor box, It is mutually isolated between the incoming line cabinet, outgoing line cabinet and capacitor box by baffle plate；The incoming line cabinet includes the first support body, and described first The front side of support body is provided with the first front door, and first front door is made up of front door on first and first time front door；It is described Door lock is respectively equipped with front door and first time front door on first, front door is provided with electric energy meter, the electricity on described first The lower section of energy table is provided with two indicator lamps and two operation buttons, and the bottom of first front door is provided with breaker doorframe, institute State position corresponding with breaker doorframe on the first support body and be provided with open frame circuit breaker；The capacitor box includes the second frame Body, the front side of second support body are provided with the second front door, and second front door is by front door and second time front door on second Plate forms, and is respectively equipped with door lock on described second on front door and second time front door, and front door is provided with the on described second One operation handle, the top of second time front door are provided with three ammeters and measuring control instrument for electricity, before described second time The bottom of door-plate is provided with circular ventilation mouth；The outgoing line cabinet includes triframe body, and the triframe body returns provided with multiple drawers Road unit, is respectively arranged with the second operation handle and intelligence instrument on the multiple drawer loop unit, on the intelligence instrument Provided with ammeter, indicator lamp and operation button, the drawer loop unit is provided with inlet wire protective cover；Set on the triframe body It is equipped with multiple drawer type plug-in units；Rear Door is respectively arranged with rear side of first support body, the second support body and triframe body；It is described The top of Rear Door is provided with rear door guard plate, and the rear door guard plate is fixedly mounted on support body by tightening buckle；Door guard plate after described It is provided with multiple ventilation fences；A window, the window are had on first time front door, second time front door and Rear Door The madial wall close-fitting transparent sheet material of mouth；The top of first support body, the second support body and triframe body is respectively bus-bar room, described Bus clip is provided with bus-bar room；Solid plate before being respectively equipped with front side of the bus-bar room, solid plate is provided with a nameplate before described；It is described Main bus-bar row's dividing plate is provided with bus-bar room, main bus-bar row's dividing plate is positioned at preceding admittedly behind plate, and between preceding solid plate There are certain interval, the flanging of the main bus-bar row dividing plate；It is provided with the top of first support body, the second support body and triframe body One crossbeam, the length of the crossbeam are less than the width of support body, and one end of the crossbeam is fixedly connected with support body, and the other end is with setting Vertical beam connection in bus-bar room；Top plate is respectively arranged with the top of first support body, the second support body and triframe body, institute The top that top plate is located at crossbeam is stated, the top plate is made up of upper plate, middle top plate and lower roof plate three parts, and the upper plate is with Top plate is fixedly connected with support body respectively, and the middle top plate is articulated and connected by hinge and lower roof plate, the upper plate and middle top plate On be respectively equipped with multiple ventilation fences.

2. a kind of low voltage drawing-out switching carbinet according to claim 1, it is characterized in that, the baffle plate uses galvanized steel plain sheet.

3. a kind of low voltage drawing-out switching carbinet according to claim 1, it is characterized in that, the top plate uses cold-rolled steel sheet.

4. a kind of low voltage drawing-out switching carbinet according to claim 1, it is characterized in that, the top plate is provided with multiple hang Ring.

5. a kind of low voltage drawing-out switching carbinet according to claim 1, it is characterized in that, first support body, the second support body Multiple mounting rails are respectively adopted with triframe body it are fastenedly connected by screw and hex bolts and is formed.

6. a kind of low voltage drawing-out switching carbinet according to claim 1, it is characterized in that, it is provided with electricity on second support body Container and reactor, disconnecting switch are additionally provided with second support body, the disconnecting switch is connected with operation handle.

7. a kind of low voltage drawing-out switching carbinet according to claim 1, it is characterized in that, the both sides difference of the triframe body Guide rail is provided with, the drawer loop unit is arranged on guide rail, and the drawer loop unit has tri- kinds of specifications of 8E, 16E, 24E, Every kind of specification is applied to install the switch of different current classes.