CN203056410U - Low-voltage high-capacity user metering device - Google Patents

Abstract

The utility model relates to a low-voltage and large-capacity user metering device, which includes a box body. The box body is provided with a horizontal partition and a vertical partition. The box is divided into four relatively independent spaces by the horizontal partition and the vertical partition. Each space has an independent door, in which there is an incoming line switch on the upper left, a current transformer on the upper right, a meter and an intelligent power distribution terminal on the lower left, and an outlet circuit breaker on the lower right. There are wire inlet and outlet holes, and wire holes are provided on the horizontal and vertical partitions. The beneficial effects of the utility model are: the metering method with current transformer can be installed to solve the problem that the existing low-voltage direct meter is easy to burn out due to overload, and at the same time it has the function of overload tripping to prevent the equipment from burning out caused by overload; It solves the problem of large area and high cost of the dedicated power distribution room for power distribution metering panels (cabinets); it meets the anti-theft function and has strong sealing.

Description

Low-voltage large-capacity user metering device

technical field

The utility model relates to a complete set of low-voltage metering switchgear and control equipment in an electric power system, in particular to a low-voltage large-capacity user metering device.

Background technique

The current ordinary low-voltage power metering box, the entry switch, protector, and other equipment in the box are relatively small in size, and the internal space is small. It is not easy to install a current transformer for metering. There is no load overload tripping function, which may easily cause the equipment to overload, heat and burn out. The power stealing function is weak; the low-voltage power distribution metering panel (cabinet) has large specifications for switches, protectors, and wiring in the box, and the lack of capacity will cause overload, heat and burnout. The disadvantage is that the box is large in size and requires a dedicated power distribution room. higher cost.

Contents of the invention

The utility model solves the above-mentioned shortcomings of the prior art, and provides a safe and closed low-voltage large-capacity metering device for users.

The technical solution adopted by the utility model to solve the technical problems: the low-voltage large-capacity user metering device includes a box body, and the box body is provided with a horizontal partition and a vertical partition, and the box is separated by the horizontal partition and the vertical partition It is four relatively independent spaces, and each space has an independent door. There is an incoming line switch on the upper left, a current transformer on the upper right, a meter and an intelligent power distribution terminal on the lower left, and a power distribution terminal on the lower right. There is an outlet circuit breaker, the box body is provided with inlet and outlet holes, and the horizontal and vertical partitions are provided with threading holes.

Preferably, the door of the space where the meter and the intelligent power distribution terminal are located is provided with an observation window made of tempered glass.

Preferably, the space where the outlet circuit breaker is located is provided with an inner door with stainless steel hinges, locks and lead-sealed screws.

Preferably, a rubber apron is provided at the wire inlet and outlet holes.

Preferably, the incoming line switch adopts a three-pole modularized isolating switch.

Preferably, the outlet circuit breaker is a current-limiting circuit breaker.

Preferably, the box is made of SMC material.

The beneficial effects of the utility model are as follows: 1. It solves the current problems of non-uniform low-voltage and large-capacity user metering boxes, non-standard devices, and weak anti-theft functions. The results have the characteristics of beautiful appearance, reasonable layout, and strong sealing; 2. Realize effective control of low-voltage large-capacity user loads, avoid accidents of power equipment caused by overload, and ensure safe operation of the power grid; 3. Adopt suspension and pole-mounted type, with rainproof function, easy to install, and saves space and cost compared with low-voltage power distribution metering boxes (cabinets) on the market; 4. The use of SMC (reinforced fiber type unsaturated polyester) has strong environmental adaptability, procurement, It has the characteristics of low operation and maintenance cost, reliability and environmental protection, and the design life is not less than 20 years.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a schematic diagram of the internal structure of the utility model;

Explanation of reference numerals: box body 1, transverse partition 2, vertical partition 3, observation window 4, inner door 5, stainless steel hinge 6, lock 7, lead seal screw 8.

Detailed ways

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

Embodiment: As shown in Figure 1, this low-voltage large-capacity user metering device includes a box body 1. The box body 1 is connected by left and right side panels, back panels, upper and lower top covers, and door frames through triangles (straight-through) and screws. Specifications 790mm (length) × 870mm (height) × 200mm (width), using SMC material (reinforced fiber type unsaturated polyester), the box body 1 is equipped with a horizontal partition 2 and a vertical partition 3, the box body 1 is The horizontal partition 2 and the vertical partition 3 are divided into four relatively independent spaces, and each space has an independent door, in which the upper left is equipped with an incoming line switch, the upper right is equipped with a current transformer, and the lower left is equipped with a metering Meter and intelligent power distribution terminal, with an outlet circuit breaker on the lower right, inlet and outlet holes on the box body 1, wire holes on the horizontal partition 2 and vertical partition 3, and rubber skins with a diameter of 80 mm on the inlet and outlet holes lock up. It meets the installation of a single three-phase electric energy meter, has strong sealing, and meets the requirements of different incoming and outgoing directions. Its fixing method can only choose suspension type and pole-mounted type, and does not consider embedded.

There is an observation window 4 on the door of the space where the meter and the intelligent power distribution terminal are located. The outer dimension of the observation window 4 is 160mm (width) × 140mm (height). The observation window 4 is made of tempered glass and has a protective door.

The incoming line switch adopts a three-pole modularized isolating switch HD11B-200A. At the same time, for the convenience of maintenance and arrears power outage operation, the switch operating handle is not exposed.

The outlet circuit breaker adopts a current-limiting circuit breaker (rated current 200A). In order to facilitate the customer's self-operation, the operating handle of the outlet circuit breaker behind the meter is exposed and has a protective door. The space where the outlet circuit breaker is located is provided with an inner door 5 with a stainless steel hinge 6, a lock 7 and lead-sealed screws 8.

The utility model can be equipped with a metering method with a current transformer, which solves the problem that the existing low-voltage direct meter is easy to burn out due to overload, and at the same time has the function of overload tripping to prevent the equipment from burning out caused by overload; the suspension type and the pole-mounted type are adopted to solve the problem The problem of large area and high cost of the special power distribution room for power distribution metering panel (cabinet); it meets the anti-theft function and has strong sealing.

In addition to the above embodiments, the utility model can also have other implementations. All technical solutions formed by equivalent replacement or equivalent transformation fall within the scope of protection required by the utility model.

Claims (7)

1. A low-voltage large-capacity user metering device, including a box (1), characterized in that: the box (1) is equipped with a horizontal partition (2) and a vertical partition (3), the box (1) It is divided into four relatively independent spaces by the horizontal partition (2) and the vertical partition (3), and each space has an independent door, in which there is an incoming line switch on the upper left, and a current transformer on the upper right. There is a meter and an intelligent power distribution terminal at the lower left, an outlet circuit breaker at the lower right, inlet and outlet holes on the box body (1), and wiring holes on the horizontal partition (2) and vertical partition (3) . 2. The low-voltage large-capacity user metering device according to claim 1, characterized in that: the door of the space where the meter and the intelligent power distribution terminal are located is provided with an observation window (4) made of toughened glass. 3. The low-voltage large-capacity user metering device according to claim 1, characterized in that: the space where the outlet circuit breaker is located is equipped with stainless steel hinges (6), locks (7) and seal screws (8) the inner door (5). 4. The low-voltage and large-capacity user metering device according to claim 1, wherein a rubber apron is provided at the inlet and outlet holes. 5. The low-voltage large-capacity user metering device according to claim 1, characterized in that: the incoming line switch adopts a three-pole modularized isolating switch. 6. The low-voltage large-capacity user metering device according to claim 1, wherein the outlet circuit breaker is a current-limiting circuit breaker. 7. The low-voltage large-capacity user metering device according to claim 1, characterized in that: the box body (1) is made of SMC material.

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