Novel state grid standard low-voltage comprehensive distribution box

Abstract

The utility model relates to the technical field of low-voltage comprehensive distribution boxes, and discloses a novel state grid standard low-voltage comprehensive distribution box, which comprises a plug-in intelligent compensation capacitor and an outgoing line loop busbar, and is characterized in that the plug-in intelligent compensation capacitor is arranged on the left side inside the comprehensive distribution box; the right side of the plug-in intelligent compensation capacitor is provided with a wire inlet copper busbar, and the right lower side of the wire inlet copper busbar is provided with a power supply metering transformer. The novel state grid standard low-voltage comprehensive distribution box is high in breaking capacity, good in dynamic and thermal stability, strong in practicability, novel in structure, high in protection level and the like, can be used as an updating product of a low-voltage complete set of switch equipment, and is widely applied to power consumers such as power plants, substations, industrial enterprises and the like. The device is used for electric energy conversion, distribution and control of power, illumination and power distribution equipment in a power distribution system with rated current of 800A.

Description

Technical Field

[0001] The utility model relates to the technical field of low-voltage integrated distribution boxes, in particular to a new type of state grid standard low-voltage integrated distribution box. Background Art

[0002] The low-voltage integrated distribution box is a complete set of electrical equipment with a DC voltage below 1000V. The rated current of the low-voltage integrated distribution box is an AC 50Hz, rated voltage 380v distribution system used for power, lighting and power distribution power conversion and control. This product has the characteristics of strong breaking capacity, good dynamic thermal stability, flexible electrical scheme, convenient combination, strong series and practicality, and novel structure;

[0003] The existing low-voltage integrated distribution box has unsatisfactory ventilation and heat dissipation effects, cannot prevent small animals from entering, and the heat dissipation problem during cabinet operation is not fully considered when the box is designed. When the electrical components in the cabinet heat up, the heat rises and cannot be discharged through the slots, and the sealed cabinet cannot form a natural ventilation duct from bottom to top, and the purpose of heat dissipation cannot be achieved. Therefore, a new type of State Grid standard low-voltage integrated distribution box is urgently needed to solve the above technical problems. Utility Model Content

[0004] The purpose of the utility model is to provide a new type of state grid standard low-voltage integrated distribution box to solve the problem that the existing new type of state grid standard low-voltage integrated distribution box proposed in the above background technology has unsatisfactory ventilation and heat dissipation effects, cannot prevent small animals from entering, and the heat dissipation problem during cabinet operation is not fully considered when the box is designed. When the electrical components in the cabinet are heated, the heat rises and cannot be discharged through the slots, and the sealed cabinet cannot form a natural ventilation duct from bottom to top, and the purpose of heat dissipation cannot be achieved.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A new type of state grid standard low-voltage integrated distribution box, including a plug-in intelligent compensation capacitor and an outgoing line circuit busbar, the plug-in intelligent compensation capacitor is arranged at the left side of the integrated distribution box, and an incoming copper busbar is installed on the right side of the plug-in intelligent compensation capacitor, a power supply metering transformer is installed on the lower right side of the incoming copper busbar, and an incoming line fuse isolating switch is connected below the power supply metering transformer, and an emergency power supply quick-connect busbar is connected to the lower end of the incoming line fuse isolating switch, and the right side of the emergency power supply quick-connect busbar and located at the integrated distribution box are provided with a plug-in intelligent compensation capacitor and an incoming line copper busbar. A power supply meter is arranged on the right side inside the electrical box, and a meter junction box is installed at the lower end of the power supply meter; an outgoing line circuit busbar is also installed inside the integrated distribution box, and an outgoing line residual current circuit breaker is arranged below the outgoing line circuit busbar, a compensation plastic shell copper busbar is connected to the right side of the outgoing line residual current circuit breaker, and an intelligent compensation capacitor main plastic shell switch is arranged at the lower end of the compensation plastic shell copper busbar, ventilation and heat dissipation holes are arranged on both sides and the top of the low-voltage integrated distribution box, and are sealed with steel wire mesh, and the interior of the integrated distribution box is isolated with aluminum-zinc plate.

[0007] Preferably, a waterproof elbow for incoming lines is provided on the top side of the side of the low-voltage integrated distribution box.

[0008] Preferably, a TTU intelligent integrated terminal antenna bracket and an outlet waterproof elbow are respectively installed on the left and right sides of the bottom of the right side of the low-voltage integrated distribution box.

[0009] Preferably, the TTU intelligent integrated terminal antenna bracket is installed on the left side of the outlet waterproof elbow.

[0010] Preferably, the opening cross-section of the outlet waterproof elbow is circular.

[0011] Preferably, thirteen connectors are respectively provided at the upper and lower ends of the metering junction box.

[0012] As a preferred technical solution of the present utility model, the number of the supporting legs is set to four.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] The low-voltage integrated distribution box has high breaking capacity, good dynamic thermal stability, strong practicality, novel structure, high protection level, etc. It can be used as a replacement product for low-voltage complete switchgear. It is widely used in power plants, substations, industrial enterprises and other power users as power, lighting and distribution equipment in the power distribution system with AC 50HZ, rated working voltage 380V, and rated current up to 800A for power conversion, distribution and control.

[0015] This low-voltage integrated distribution box has ideal ventilation and heat dissipation effects and can prevent small animals from entering. The heat dissipation problem during cabinet operation was not fully considered when the box was designed. When the electrical components in the cabinet heat up, the heat rises and can be discharged through the slots, so that the sealed cabinet forms a natural ventilation duct from bottom to top, thereby achieving the purpose of heat dissipation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

[0017] Figure 1 This is the main view of the State Grid standard low-voltage integrated distribution box of this utility model;

[0018] Figure 2 This is the rear view of the State Grid standard low-voltage integrated distribution box of this utility model;

[0019] Figure 3 This is the right view of the State Grid standard low-voltage integrated distribution box of this utility model;

[0020] Figure 4 This is the left view of the State Grid standard low-voltage integrated distribution box of this utility model;

[0021] In the figure: 1. Incoming waterproof elbow; 2. TTU intelligent integrated terminal antenna bracket; 3. Outgoing waterproof elbow; 4. Plug-in intelligent compensation capacitor; 5. Incoming copper busbar; 6. Power supply metering transformer; 7. Incoming fuse-type isolating switch; 8. Power supply meter; 9. Emergency power supply quick-connect busbar; 10. Metering junction box; 11. Intelligent compensation capacitor main plastic case switch; 12. Compensation plastic case copper busbar; 13. Outgoing line loop busbar; 14. Outgoing residual current circuit breaker; 15. Ventilation and heat dissipation holes; 16. Aluminum-zinc plate; 17. Wire mesh. DETAILED DESCRIPTION

[0022] The present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are only used to explain the relevant utility model, rather than to limit the utility model. It should also be noted that, for ease of description, only the parts related to the utility model are shown in the accompanying drawings. The different types of section lines in the drawings in the embodiments of the utility model are not marked according to the national standard, nor are there any requirements for the materials of the components, but are used to distinguish the cross-sectional views of the components in the drawings.

[0023] See also Figure 1-4A new type of state grid standard low-voltage integrated distribution box, including a plug-in intelligent compensation capacitor 4 and an outgoing line circuit busbar 13, the plug-in intelligent compensation capacitor 4 is arranged at the left position inside the integrated distribution box, and an incoming copper busbar 5 is installed on the right side of the plug-in intelligent compensation capacitor 4, a power supply metering transformer 6 is installed on the lower right side of the incoming copper busbar 5, and an incoming line fuse disconnector 7 is connected below the power supply metering transformer 6, and the lower end of the incoming line fuse disconnector 7 is connected to an emergency power supply quick-connect busbar 9, and the right side of the emergency power supply quick-connect busbar 9 and located inside the integrated distribution box A power supply meter 8 is arranged on the right side, and a metering junction box 10 is installed at the lower end of the power supply meter 8; an outgoing line circuit busbar 13 is also installed inside the integrated distribution box, and an outgoing line residual current circuit breaker 14 is arranged below the outgoing line circuit busbar 13, a compensation molded copper busbar 12 is connected to the right side of the outgoing line residual current circuit breaker 14, and an intelligent compensation capacitor total molded case switch 11 is arranged at the lower end of the compensation molded copper busbar 12, ventilation and heat dissipation holes 15 are arranged on both sides and the top of the low-voltage integrated distribution box, and are sealed with a wire mesh 17, and the interior of the integrated distribution box is isolated with an aluminum-zinc plate 16.

[0024] Among them, a waterproof elbow 1 for incoming lines is provided on the top side of the side of the low-voltage integrated distribution box.

[0025] Among them, the TTU intelligent integrated terminal antenna bracket 2 and the outlet waterproof elbow 3 are respectively installed on the left and right sides of the bottom of the right side of the low-voltage integrated distribution box.

[0026] Among them, the TTU intelligent integrated terminal antenna bracket 2 is installed on the left side of the outlet waterproof elbow 3.

[0027] The opening cross section of the outlet waterproof elbow 3 is circular.

[0028] Thirteen connectors are respectively provided at the upper and lower ends of the metering junction box 10 .

[0029] The working principle and use process of the utility model: The shell of the national grid standard low-voltage integrated distribution box is assembled by partial welding of 304 stainless steel. On both sides of the cabinet top on the frame, there are 60mm*60mm*6mm national standard angle irons, 6# national standard channel steels, and M20mm*400mm full-thread screws for hoisting to improve the versatility of product assembly. The internal partitions are made of domestic high-quality aluminum-zinc coated plates 16 to form a multi-compartment partition process. In order to enhance ventilation and heat dissipation, there are ventilation and heat dissipation holes 15 on both sides and the top of the cabinet, and they are sealed with wire mesh 17 to prevent small animals from entering. Considering the use of the cable side upper inlet and side lower outlet reserved inlet and outlet scheme, a knock-out hole is set at the bottom of the cabinet, and a leather wire sleeve that meets the size requirements of the construction drawing is prepared;

[0030] The cabinet is designed with full consideration of the heat dissipation problem during cabinet operation. There are different numbers of heat dissipation slots at the upper and lower ends of the cabinet. When the electrical components in the cabinet heat up, the heat rises and is discharged through the upper slots, while cold air is continuously supplied into the cabinet through the lower slots, so that the sealed cabinet forms a natural ventilation duct from bottom to top, achieving the purpose of heat dissipation.

[0031] The cabinet is designed in accordance with the requirements of modern industrial product design, using the golden ratio method to design the cabinet body and the size of each part, which is beautiful and elegant, and has a brand new look. The cabinet door is connected to the frame with a rotating shaft hinge, which is easy to install and disassemble. The door folding edge is made of hot melt glue. When closing the door, the glue between the door and the frame has a certain compression stroke, which can prevent the door from directly colliding with the cabinet body and also improve the door's protection level.

[0032] The contents not described in detail in this specification belong to the prior art known to professionals in this field.

[0033] The above description is only a preferred embodiment of the present application and an explanation of the technical principles used. Those skilled in the art should understand that the scope of the utility model involved in the present application is not limited to the technical solution formed by a specific combination of the above technical features, but should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the concept of the utility model. For example, the above features are replaced with the technical features with similar functions disclosed in the present application (but not limited to) by each other to form a technical solution.

Claims

1. A new type of national grid standard low-voltage integrated distribution box, comprising a plug-in intelligent compensation capacitor (4) and an outgoing line circuit busbar (13), characterized in that: The plug-in intelligent compensation capacitor (4) is arranged at the left side of the integrated distribution box, and an incoming copper busbar (5) is installed on the right side of the plug-in intelligent compensation capacitor (4), a power supply metering transformer (6) is installed on the lower right side of the incoming copper busbar (5), and an incoming fuse isolating switch (7) is connected below the power supply metering transformer (6), and an emergency power supply quick-connect busbar (9) is connected to the lower end of the incoming fuse isolating switch (7), and a power supply meter (8) is arranged on the right side of the emergency power supply quick-connect busbar (9) and located on the right side of the integrated distribution box, and the power supply meter A metering junction box (10) is installed at the lower end of (8); an outgoing line circuit busbar (13) is also installed inside the integrated distribution box, and an outgoing line residual current circuit breaker (14) is provided below the outgoing line circuit busbar (13); a compensation molded copper busbar (12) is connected to the right side of the outgoing line residual current circuit breaker (14), and an intelligent compensation capacitor total molded switch (11) is provided at the lower end of the compensation molded copper busbar (12); ventilation and heat dissipation holes (15) are provided on both sides and the upper part of the low-voltage integrated distribution box, and are sealed with a steel wire mesh (17); the interior of the integrated distribution box is isolated with an aluminum-zinc plate (16).

2. According to claim 1, a new type of state grid standard low-voltage integrated distribution box is characterized in that: The top side of the side of the low-voltage integrated distribution box is provided with an incoming line waterproof elbow (1).

3. According to claim 1, a new type of state grid standard low-voltage integrated distribution box is characterized in that: A TTU intelligent integrated terminal antenna bracket (2) and an outlet waterproof elbow (3) are respectively installed on the left and right sides of the bottom of the right side of the low-voltage integrated distribution box.

4. According to claim 3, a new type of state grid standard low-voltage integrated distribution box is characterized in that: The TTU intelligent integrated terminal antenna bracket (2) is installed on the left side of the outlet waterproof elbow (3).

5. According to claim 4, a new type of state grid standard low-voltage integrated distribution box is characterized in that: The opening cross section of the outlet waterproof elbow (3) is circular.

6. According to the new type of state grid standard low voltage integrated distribution box according to claim 1, it is characterized by: Thirteen connectors are respectively provided at the upper and lower ends of the metering junction box (10).

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