CN219304228U

CN219304228U - Photovoltaic grid-connected metering cabinet

Info

Publication number: CN219304228U
Application number: CN202223475678.4U
Authority: CN
Inventors: 黄勇昌; 卢健华
Original assignee: Guangdong Huilong Electric Co ltd
Current assignee: Guangte New Energy Technology Zhongshan Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-07-04
Anticipated expiration: 2032-12-26

Abstract

The utility model relates to a photovoltaic grid-connected metering cabinet, which comprises a cabinet body, electric wires and electric elements, wherein an ammeter compartment, a frame switch chamber and a plastic shell chamber are arranged on the front surface of the cabinet body, a first cabinet door is arranged on the first side of the cabinet body, a pressing switch embedded in the first cabinet door is arranged on the first cabinet door, a CT compartment and a disconnecting switch chamber are arranged on the second side of the cabinet body, a copper bar hole and a metering CT are arranged in the CT compartment, a surge and a knife switch are arranged in the disconnecting switch chamber, and a third cabinet door for installing the pressing switch is arranged in the disconnecting switch chamber; a second cabinet door is arranged on the third side of the cabinet body, and a pressing switch is arranged on the second cabinet door; the ammeter compartment, the frame switch chamber, the plastic shell chamber and the CT compartment are respectively provided with a pressing lock. The photovoltaic grid-connected metering cabinet has the advantages that the photovoltaic grid-connected metering cabinet can be opened on four sides, so that maintenance staff can check and repair the photovoltaic grid-connected metering cabinet conveniently, and the photovoltaic grid-connected metering cabinet can be installed on the back side against the wall according to requirements.

Description

Photovoltaic grid-connected metering cabinet

Technical Field

The utility model relates to a photovoltaic grid-connected metering cabinet.

Background

Solar power generation is a beneficial supplement to traditional power generation, and in view of the importance of the solar power generation to environmental protection and economic development, no inadequacy in developed countries promotes the work of solar power generation, and small and medium-scale solar power generation forms an industry. The solar power generation has two modes of photovoltaic power generation and solar thermal power generation, wherein the photovoltaic power generation has the outstanding advantages of simple maintenance, large or small power and the like, and is widely applied as a medium-sized and small-sized grid-connected power supply.

The solar photovoltaic power generation is transmitted to the grid-connected metering cabinet through the inverter, the grid-connected cabinet verifies the electric energy quality, the grid-connected output is executed to the electric power grid for users to use, the redundant part is boosted and transmitted to the public power grid, and when the existing grid-connected metering cabinet is used specifically, the problems are solved: when the conventional GGD cabinet frame photovoltaic grid-connected metering cabinet is adopted, the situation that the installation of clients is limited or only the back side is allowed to be installed close to the wall is met, the follow-up staff is inconvenient to overhaul the electric elements in the grid-connected metering cabinet, the working efficiency of the staff is affected, and the normal use of the grid-connected metering cabinet is directly affected.

Disclosure of Invention

The utility model aims to provide a photovoltaic grid-connected metering cabinet.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the photovoltaic grid-connected metering cabinet comprises a cabinet body, electric wires and electric elements, wherein an ammeter compartment, a frame switch chamber and a plastic shell chamber are arranged on the front surface of the cabinet body, a first cabinet door is arranged on the first side of the cabinet body, a pressing switch embedded in the first cabinet door is arranged on the first cabinet door, a CT compartment and a disconnecting switch chamber are arranged on the second side of the cabinet body, a copper bar hole and a metering CT are arranged in the CT compartment, a surge and a knife switch are arranged in the disconnecting switch chamber, and a third cabinet door for installing the pressing switch is arranged in the disconnecting switch chamber; a second cabinet door is arranged on the third side of the cabinet body, and a pressing switch is arranged on the second cabinet door; the ammeter compartment, the frame switch chamber, the plastic shell chamber and the CT compartment are respectively provided with a pressing lock.

Further, press the lock and include nut and screw, ammeter compartment, frame switch room, mould shell room and CT compartment respectively are equipped with the nut, and the nut is equipped with the internal thread, is equipped with a plurality of plastics thread of mutually independent along the spiral direction on the pole of screw, and the top shape of a plurality of plastics thread all suits with the internal thread.

Further, the push switch comprises a protruding block and a grabbing structure, the first cabinet door, the second cabinet door and the third cabinet door are respectively provided with the protruding block, the cabinet body opposite to the protruding block is provided with the grabbing structure, and the grabbing structure grabs or loosens the protruding block, so that the corresponding first cabinet door, second cabinet door or third cabinet door is opened or closed. ' s of

Further, get the structure and constitute by snatching piece, spring and base, snatch a front end and be equipped with two relative snatchs portion, the activity about snatchs the portion, snatch the portion and expand the width and be greater than the width of base lateral wall between the lateral wall for the use, snatch a lateral wall and be equipped with the guiding portion, the base lateral wall is equipped with leading-in portion, the spring is located between base and the snatch a.

Further, the electricity meter compartment has a chamber in which the electricity meter is mounted, and the electricity meter compartment is mounted with a transparent glass sheet.

The utility model has the advantages that: the photovoltaic grid-connected metering cabinet can be opened and maintained on four sides, and the cabinet door is convenient to open.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of the present utility model.

Fig. 2 is a rear or left view of an embodiment of the present utility model.

Fig. 3 is a right side view of an embodiment of the present utility model.

Fig. 4 is a schematic view of a pressing lock according to an embodiment of the utility model.

Fig. 5 is a schematic diagram of a push switch according to an embodiment of the utility model.

Detailed Description

Referring to fig. 1 to 5, the utility model provides a photovoltaic grid-connected metering cabinet, which comprises a cabinet body 1, electric wires and electric elements, wherein an ammeter compartment 2, a frame switch chamber 3 and a plastic shell chamber 4 are arranged on the front surface of the cabinet body 1, the ammeter compartment 2 is provided with a transparent glass sheet 21 and is provided with a cavity, and an ammeter is arranged in the cavity, and can be observed through the transparent glass sheet 21; the ammeter compartment 2, the frame switch chamber 3 and the molded case chamber 4 are each provided with a pressing lock 5.

The first side is the back of the cabinet body, is equipped with first cabinet door 11, is equipped with two push switch 6 on the first cabinet door 11, and push switch 6 inlay with first cabinet door 11 in, can make the photovoltaic grid-connected metering cabinet back lean on the wall to install.

The second side is the right of the cabinet body, is equipped with CT compartment 7 and isolator room 8, is equipped with copper bar hole and measurement CT in the CT isolator room, and isolator room 8 is equipped with surge and knife switch, and the CT isolator room is equipped with presses down lock 5, and isolator room 8 has third cabinet door 81, and two press switch 6 are installed to third cabinet door 81.

The third side is the left side of the cabinet body, is equipped with second cabinet door 12, and second cabinet door 12 is equipped with push switch 6, opens through push switch 6, and maintenance personnel can inspect maintenance to frame switch chamber 3, moulded case room 4 and ammeter compartment 2.

The pressing lock 5 comprises a screw 51 and a nut 54, the nuts 54 are respectively arranged on the corresponding frame bodies of the ammeter compartment 2, the frame switch chamber 3 and the plastic shell chamber 4, internal threads 53 are arranged in the nuts 54, a plurality of mutually independent plastic screw threads 52 are arranged on the rod of the screw 51 along the screw direction, and the top shapes of the plastic screw threads 52 are matched with the internal threads 53; when the cabinet door is connected, the screw 51 penetrates through the fixing piece and is pressed into the nut 54, the plastic screw teeth 52 are deformed by pressing, the tops of the plastic screw teeth 52 are respectively embedded between two adjacent screw teeth of the internal screw threads 53, fixing can be achieved without using tools, and when the cabinet door is disassembled, the tops of the plastic screw teeth 52 can be driven to be selected along the spiral direction of the internal screw threads 53 by rotating the screw 51.

The grabbing structure comprises grabbing parts 63, springs and a base 62, two opposite grabbing parts 631 are arranged at the front end of each grabbing part 63, each grabbing part 631 can move left and right, when each grabbing part 631 is used, the unfolding width of each grabbing part 631 is larger than the width between the side wall of the base 62 and the side wall, each grabbing part 63 side wall is provided with a guide part, each base 62 side wall is provided with a guide part 64, each spring is fixed inside the base 62 and located between the bottom wall inside the base 62 and each grabbing part 63, when a first cabinet door 11, a second cabinet door 12 or a third cabinet door 81 covers the cabinet body, a protruding block on each cabinet door contacts with each grabbing part 63 and enables each grabbing part 63 to move towards the inside of the base 62, at the moment, the protruding block is located between the two grabbing parts 631, and when each grabbing part 631 moves towards the bottom, so that each grabbing part 63 grabs the protruding block, each grabbing part 63 extrudes the springs, each spring is deformed, at the moment, each guide part 64 is clamped in each guide part, each grabbing part 63 is clamped in the base 62, and the cabinet door covers the cabinet body. When the corresponding cabinet door needs to be opened, the corresponding cabinet door is pressed, the grabbing piece 63 moves towards the inside of the base 62, the guiding part leads out the guiding part 64, the spring is restored at the moment, under the action of the spring, the grabbing piece 63 is pushed out in the opposite direction of the displacement of the protruding block, and when the grabbing piece 63 is pushed out, the two grabbing parts 631 are unfolded in the opposite direction in the middle, namely, the grabbing parts 631 release the protruding block, so that the cabinet door is opened.

Maintenance personnel can carry out maintenance inspection by opening the cabinet door back and forth or opening the cabinet door left and right according to the current installation condition.

The above embodiments are preferred embodiments of the present utility model, but the embodiments of the present utility model are not limited thereto, and any other changes, modifications, substitutions, combinations, and simplifications made without departing from the spirit and principles of the present utility model are all equivalent substitutions and are included in the scope of the present utility model.

Claims

1. The photovoltaic grid-connected metering cabinet comprises a cabinet body, electric wires and electric elements and is characterized in that an ammeter compartment, a frame switch chamber and a plastic shell chamber are arranged on the front face of the cabinet body, a first cabinet door is arranged on the first side of the cabinet body, a pressing switch embedded in the first cabinet door is arranged on the first cabinet door, a CT compartment and a disconnecting switch chamber are arranged on the second side of the cabinet body, a copper bar hole and a metering CT are arranged in the CT compartment, a surge and a knife switch are arranged in the disconnecting switch chamber, and a third cabinet door for installing the pressing switch is arranged in the disconnecting switch chamber; a second cabinet door is arranged on the third side of the cabinet body, and a pressing switch is arranged on the second cabinet door; the ammeter compartment, the frame switch chamber, the plastic shell chamber and the CT compartment are respectively provided with a pressing lock.

2. The photovoltaic grid-connected metering cabinet according to claim 1, wherein the pressing lock comprises a nut and a screw, the electric meter compartment, the frame switch chamber, the plastic shell chamber and the CT compartment are respectively provided with the nut, the nut is provided with an internal thread, a plurality of mutually independent plastic threads are arranged on a rod of the screw along the spiral direction, and the top shapes of the plastic threads are matched with the internal thread.

3. The photovoltaic grid-connected metering cabinet according to claim 1, wherein the push switch comprises a protruding block and a grabbing structure, the first cabinet door, the second cabinet door and the third cabinet door are respectively provided with the protruding block, the cabinet body opposite to the protruding block is provided with the grabbing structure, and the grabbing structure grabs or loosens the protruding block to enable the corresponding first cabinet door, second cabinet door or third cabinet door to be opened or closed.

4. The photovoltaic grid-connected metering cabinet according to claim 3, wherein the grabbing structure comprises grabbing parts, springs and a base, two opposite grabbing parts are arranged at the front ends of the grabbing parts, the grabbing parts can move left and right, when the grabbing parts are used, the unfolding width of the grabbing parts is larger than that of the base side walls between the side walls, the side walls of the grabbing parts are provided with guide parts, the side walls of the base are provided with guide parts, and the springs are arranged inside the base.

5. The grid-tie photovoltaic metering cabinet of any of claims 1 to 4 wherein the electricity meter compartment has a chamber in which the electricity meter is mounted and the electricity meter compartment is mounted with a transparent glass sheet.