Comprehensive distribution box

Abstract

The utility model belongs to the field of distribution boxes, and relates to a comprehensive distribution box for a pole-mounted transformer, an external emergency access box is arranged at a position, corresponding to a knife fuse switch, on the outer side surface of a box body shell, and the external emergency access box comprises an external emergency access box shell with a rectangular cross section; one side of the external emergency access box shell is connected with an external emergency access box door plate through a hinge, the other side of the external emergency access box shell is provided with an external emergency access box door lock, the external emergency access box door plate is provided with a door lock accessory matched with the external emergency access box door lock, the external emergency access box shell is internally provided with an integrated socket, and the integrated socket is connected with the external emergency access box door lock. The integrated socket is electrically connected with the knife fuse switch A-phase outgoing line, the knife fuse switch B-phase outgoing line, the knife fuse switch C-phase outgoing line and the knife fuse switch N-phase main incoming line through the lap joint columns. According to the utility model, the rapid access convenience of the emergency generator car is realized, the door plate does not need to be opened during emergency repair, and the safety of the comprehensive distribution box during emergency power supply is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of distribution boxes, and in particular relates to a comprehensive distribution box for a pole-mounted transformer. Background Art

[0002] The integrated distribution box is often used in conjunction with a 10kV or 20kV three-phase or single-phase pole-mounted transformer. The interior of the integrated distribution box is generally divided into an incoming line unit, a metering unit, an outgoing line unit and a reactive power compensation unit.

[0003] The emergency power interface is used to connect the integrated distribution box to the emergency power generation vehicle for temporary power supply in an emergency. In traditional integrated distribution boxes, the emergency power interface is installed at the reactive compensation unit or incoming line unit inside the integrated distribution box. When the upstream equipment connected to the integrated distribution box is damaged or the distribution network maintenance causes a power outage, in order to ensure temporary and rapid power supply to urban residential areas and important users during the emergency repair process, it is necessary to connect the emergency power generation vehicle to the emergency power interface of the integrated distribution box. At this time, it is necessary to fully open the compensation room door panel or the incoming line room door panel of the integrated distribution box. If there is windy sand or rainy and snowy weather, it will have an adverse effect on the components and internal lines of the reactive compensation unit or the incoming line unit, and even cause damage to the entire integrated distribution box. Utility Model Content

[0004] In view of the shortcomings of the prior art, the utility model provides an integrated distribution box with an external emergency power supply interface, which can realize emergency power supply without opening the door panel of the integrated distribution box. The technical solution adopted by the utility model is as follows:

[0005] The integrated distribution box comprises a box shell with a cubic structure, wherein a reactive compensation unit, a metering unit and an incoming line unit are arranged from left to right inside the box shell, wherein the incoming line unit comprises a knife fuse switch, and an external emergency access box is installed at a position corresponding to the knife fuse switch on the outer side of the box shell, wherein the external emergency access box comprises an external emergency access box shell with a rectangular cross-section, wherein one side of the external emergency access box shell is connected to an external emergency access box door panel by a hinge, and an external emergency access box door lock is installed on the other side of the external emergency access box shell, and a door lock accessory matching the external emergency access box door lock is installed on the external emergency access box door panel, and an integrated socket is installed in the external emergency access box shell, wherein one end of the integrated socket away from the external emergency access box door panel is connected to the inside of the box shell, and the integrated socket is electrically connected to the knife fuse switch A phase outgoing line, the knife fuse switch B phase outgoing line, the knife fuse switch C phase outgoing line and the knife fuse switch N phase total incoming line respectively through a lap column.

[0006] Preferably, a first lead seal column is arranged on the side of the external emergency access box door lock, and a second lead seal column is arranged on the side edge surface of the external emergency access box door panel, and the first lead seal column and the second lead seal column are arranged in pairs with corresponding positions.

[0007] Preferably, the box shell includes a front panel, a rear panel, left / right side panels, a top cover and a bottom panel that are enclosed in one piece.

[0008] Preferably, the integrated socket is fixed on the side panel by bolts.

[0009] Preferably, the front panel includes a reactive compensation unit door panel, a metering unit door panel and an incoming line unit door panel which are rotatably installed on the front side of the box shell in sequence, and the reactive compensation unit door panel, the metering unit door panel and the incoming line unit door panel correspond to the reactive compensation unit, the metering unit and the incoming line unit inside the box respectively; the rear panel includes a reactive compensation unit door panel and an outgoing line unit door panel which are rotatably installed on the rear side of the box shell, and the outgoing line unit door panel corresponds to the outgoing line unit inside the box.

[0010] Preferably, an L-shaped flat iron is installed on the upper end of the left / right side panel by bolts, the horizontal plane of the L-shaped flat iron is higher than the top of the integrated distribution box, a number of mounting holes are opened on the horizontal plane of the L-shaped flat iron, and the horizontal planes of a pair of L-shaped flat irons extend to the outside of the box body respectively.

[0011] Preferably, a plurality of elbows are respectively provided at the upper and lower ends of the side panels, and the elbows are connected to the interior of the integrated distribution box.

[0012] Preferably, a plurality of fish-scale shaped raised holes are provided on the side panel, and the fish-scale shaped raised holes are connected to the interior of the integrated distribution box.

[0013] The utility model has the following beneficial effects:

[0014] The utility model separately arranges an external quick access box on the side surface of the integrated distribution box cabinet, the access box has a built-in emergency power supply interface, the emergency power supply interface is fixed on the outside of the cabinet side, and the emergency power supply copper column is connected to the copper bus at the lower end of the knife-fuse switch in the incoming line unit. It not only has the convenience of quick access to the emergency power generator, but also does not need to open the compensation room door panel or the incoming line room door panel during emergency repairs, which can prevent the adverse effects of dust, wind and snow weather on the internal components and lines of the integrated distribution box, improve the safety and reliability of the integrated distribution box during emergency power supply, and thus solve the technical problems existing in the background technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 This is a schematic diagram of the external three-dimensional structure of the integrated distribution box of an embodiment of the utility model;

[0017] Figure 2It is a rear view of the integrated distribution box of the embodiment of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the incoming line unit of the integrated distribution box of the embodiment of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of an external emergency access box according to an embodiment of the utility model;

[0020] Among them, 1 is the door panel of the incoming line unit, 2 is the door panel of the metering unit, 3 is the door panel of the reactive power compensation unit, 4 is the door panel of the outgoing line unit, 5 is the top cover, 6 is the external emergency access box, 7 is the side panel, 8 is the L-shaped flat iron, 9 is the elbow head, 10 is the knife fuse switch, 101 is the A-phase outgoing line of the knife fuse switch, 102 is the B-phase outgoing line of the knife fuse switch, 103 is the C-phase outgoing line of the knife fuse switch, 104 is the N-phase main incoming line of the knife fuse switch, 105 is the lap column, 11 is the integrated socket, 12 is the lead sealing column, 13 is the door panel of the external emergency access box, 14 is the shell of the external emergency access box, and 15 is the door lock of the external emergency access box. DETAILED DESCRIPTION

[0021] The technical solution of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all of the embodiments.

[0022] like Figure 1-4 As shown, a comprehensive distribution box includes a box shell composed of a front panel, a rear panel, a left / right side panel 7, a top cover 5 and a bottom plate. The front panel includes a reactive compensation unit door panel 3, a metering unit door panel 2 and an incoming line unit door panel 1 which are sequentially rotated and installed on the front side of the box shell. The reactive compensation unit, the metering unit and the incoming line unit are respectively arranged inside the box corresponding to the reactive compensation unit door panel 3, the metering unit door panel 2 and the incoming line unit door panel 1. The rear panel includes a reactive compensation unit door panel 3 and an outgoing line unit door panel 4 which are rotated and installed on the rear side of the box shell. The outgoing line unit is arranged inside the box corresponding to the outgoing line unit door panel 4. The upper end of the left / right side panel 7 is fixedly installed with an L-shaped flat iron 8 through a bolt connection structure. A plurality of elbows 9 are respectively arranged at the upper and lower ends of the right side panel 7. The lower end of the left side panel 7 is arranged with an elbow 9. The elbow 9 is connected to the inside of the comprehensive distribution box. The elbow 9 is used for the outgoing line of the comprehensive distribution box. The horizontal surface of the L-shaped flat iron 8 is higher than the top of the integrated distribution box. A plurality of mounting holes are provided on the horizontal surface of the L-shaped flat iron 8. The horizontal surfaces of a pair of L-shaped flat irons 8 extend outward. The L-shaped flat iron 8 is used to fix the integrated distribution box on site. The side panels 7 on the left and right sides are provided with through fish-scale convex holes, which are used for internal heat dissipation of the integrated distribution box.

[0023] The incoming line unit includes a knife fuse switch 10 , and the knife fuse switch 10 is provided with a knife fuse switch A phase outgoing line 101 , a knife fuse switch B phase outgoing line 102 , a knife fuse switch C phase outgoing line 103 and a knife fuse switch N phase main incoming line 104 .

[0024] The external emergency access box 6 is fixedly installed on the outer side of the box shell by a welding structure, and the external emergency access box 6 is installed at the position of the incoming line unit corresponding to the side panel 7 on the right side. The external emergency access box 6 includes an external emergency access box shell 14, which is a rectangular shell formed by enclosing four integrally formed side panels. One side of the external emergency access box shell 14 is connected to the external emergency access box door panel 13 by a hinge, and an external emergency access box door lock 15 is fixedly installed in the middle position of the other side of the external emergency access box shell 14 opposite to the hinge, and a door lock accessory that matches the external emergency access box door lock 15 is installed on the external emergency access box door panel 13. A lead seal column 12 is arranged above the external emergency access box door lock 15, and another lead seal column 12 is arranged on the side edge surface of the external emergency access box door panel 13, and the two lead seal columns 12 are arranged in pairs in corresponding positions. An integrated socket 11 is fixedly installed in the housing 14 of the external emergency access box. The integrated socket 11 is fixedly installed on the right side panel 7 by bolts. One end of the integrated socket 11 away from the door panel 13 of the external emergency access box is connected to the inside of the box shell. The integrated socket 11 is electrically connected to the knife-fuse switch A phase outlet 101, the knife-fuse switch B phase outlet 102, the knife-fuse switch C phase outlet 103 and the knife-fuse switch N phase main incoming line 104 through the lap column 105. Once the two lead seal columns 12 are properly sealed, the integrated distribution box cannot be opened without authorization. If the two lead seal columns 12 are damaged, they cannot be reused, which can prevent theft of electricity. The main incoming line and the last-level switch outlet in the integrated distribution box must have A, B, C, and N phases.

[0025] The steps for connecting the integrated distribution box to the emergency generator vehicle in an emergency are as follows:

[0026] When the upstream equipment connected to the integrated distribution box is damaged or the distribution network maintenance causes a power outage, first open the external emergency access box door lock 15, open the external emergency access box door panel 13, connect the emergency power supply to the emergency power supply, connect the emergency power supply copper column to the copper bus at the lower end of the knife fuse switch in the incoming line unit, turn on the power of the emergency power supply, and the internal components of the integrated distribution box can operate normally.

[0027] In the embodiments of the utility model, the technical features not described in detail are all existing technologies or conventional technical means and will not be described in detail here.

[0028] Finally, it should be noted that the above embodiments are only specific implementation methods of the present utility model, which are used to illustrate the technical solution of the present utility model, rather than to limit it, and the protection scope of the present utility model is not limited thereto. Those skilled in the art should understand that any technician familiar with the technical field can modify the technical solution recorded in the above embodiments within the technical scope disclosed by the present utility model, or can easily think of changes, or make equivalent replacements for some of the technical features therein; and these modifications, changes or replacements do not make the essence of the corresponding technical solution deviate from the spirit and scope of the technical solution of the embodiment of the present utility model, and should be covered within the protection scope of the present utility model.

Claims

1. An integrated power distribution box, comprising a cubic box housing, wherein a reactive power compensation unit, a metering unit and an incoming line unit are arranged from left to right inside the box housing, wherein the incoming line unit comprises a knife fuse switch, and wherein: An external emergency access box is installed at a position corresponding to the knife fuse switch on the outer side of the box shell, and the external emergency access box includes an external emergency access box shell with a rectangular cross-section, one side of the external emergency access box shell is connected to the external emergency access box door panel by a hinge, the other side of the external emergency access box shell is installed with an external emergency access box door lock, and a door lock accessory that matches the external emergency access box door lock is installed on the external emergency access box door panel. An integrated socket is installed in the external emergency access box shell, and one end of the integrated socket away from the external emergency access box door panel is connected to the inside of the box shell, and the integrated socket is electrically connected to the knife fuse switch A phase outgoing line, the knife fuse switch B phase outgoing line, the knife fuse switch C phase outgoing line and the knife fuse switch N phase main incoming line through overlapping columns.

2. The integrated distribution box according to claim 1, characterized in that: A first lead seal column is arranged on the side of the door lock of the external emergency access box, and a second lead seal column is arranged on the side edge surface of the door panel of the external emergency access box. The first lead seal column and the second lead seal column are arranged in pairs in corresponding positions.

3. The integrated distribution box according to claim 1 or 2, characterized in that: The box shell includes a front panel, a rear panel, left / right side panels, a top cover and a bottom panel which are enclosed in one piece.

4. The integrated distribution box according to claim 3, characterized in that: The integrated socket is fixedly mounted on the side plate by means of bolts.

5. The integrated distribution box according to claim 3, characterized in that: The front panel includes a reactive compensation unit door panel, a metering unit door panel and an incoming line unit door panel which are rotatably installed on the front side of the box shell in sequence, and the reactive compensation unit door panel, the metering unit door panel and the incoming line unit door panel correspond to the reactive compensation unit, the metering unit and the incoming line unit inside the box respectively; the rear panel includes a reactive compensation unit door panel and an outgoing line unit door panel which are rotatably installed on the rear side of the box shell, and the outgoing line unit door panel corresponds to the outgoing line unit inside the box.

6. The integrated distribution box according to claim 3, characterized in that: An L-shaped flat iron is installed on the upper end of the left / right side panel by bolts. The horizontal surface of the L-shaped flat iron is higher than the top of the integrated distribution box. A plurality of mounting holes are provided on the horizontal surface of the L-shaped flat iron. The horizontal surfaces of a pair of L-shaped flat irons extend to the outside of the box body respectively.

7. The integrated distribution box according to claim 3, characterized in that: A plurality of elbows are respectively arranged at the upper and lower ends of the side plate, and the elbows are communicated with the interior of the integrated distribution box.

8. The integrated distribution box according to claim 3, characterized in that: A plurality of fish-scale convex holes are arranged on the side plate, and the fish-scale convex holes are communicated with the interior of the integrated distribution box.

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