Photovoltaic grid-connected metering cabinet convenient to maintain

Abstract

The utility model discloses a photovoltaic grid-connected metering cabinet convenient to maintain, which comprises a cabinet body and cabinet plates, the cabinet plates are fixed between cabinet frames in the cabinet body, two sides of the top end of each cabinet plate are provided with sliding chutes, and sliding rods are fixed in the sliding chutes; the movable plate is arranged at the top end of the cabinet plate, a sliding sleeve at the bottom end of the movable plate is connected with the sliding rod in a sliding and sleeving mode, and an annular dovetail groove is formed in the edge position of the top end of the movable plate; the illuminating lamp is mounted at the top end of the gooseneck lamp tube above the movable plate; the side doors are arranged on the two sides of the cabinet body; and the driving cavity is formed in the top of the cabinet body, a rotating rod is installed at the output end of a motor in the driving cavity, and a gear is installed at one end of the rotating rod. According to the utility model, the side door can be opened to facilitate the maintenance of the back of the electric appliance element, and the illumination position can be automatically adjusted due to the illumination function.

Description

TECHNICAL FIELD

[0001] The utility model relates to the grid connected metering cabinet technical field, specifically to a photovoltaic grid connected metering cabinet convenient to maintain. BACKGROUND

[0002] The photovoltaic grid connected metering cabinet is an electrical equipment, mainly used for the metering and monitoring of electric energy in the photovoltaic power generation system, which is composed of high-voltage circuit breaker, current transformer, voltage transformer, metering instrument and protection element, and can ensure the stability, safety and economy of the photovoltaic power generation system. The photovoltaic grid connected metering cabinet is widely used in distributed photovoltaic power generation system, as the total export of photovoltaic power station, connecting photovoltaic power station and power grid. It not only protects and meters the total amount of photovoltaic power generation, but also has various protection functions, such as overcurrent protection, overvoltage protection, island protection, etc., to ensure the reliable operation and safety of the system.

[0003] At present, when the photovoltaic grid connected metering cabinet fails, the cabinet body needs to be opened for maintenance. However, the current design is mostly pull-out type, which maintains the electrical elements by pulling out the inner plate of the cabinet body. Even if it is pulled out for maintenance, it is still inconvenient to maintain the rear of the electrical elements, and the lighting equipment needs to be carried by the staff and needs to be handheld, which causes inconvenience to the maintenance work, so it needs to be improved. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a photovoltaic grid connected metering cabinet convenient to maintain to solve the problems in the above background.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a photovoltaic grid connected metering cabinet convenient to maintain, which comprises a cabinet body and further comprises

[0006] The cabinet plate is fixed between the cabinet racks inside the cabinet body, both sides of the top end of the cabinet plate are provided with sliding grooves, and the sliding grooves are fixed with sliding rods inside;

[0007] The movable plate is arranged at the top end of the cabinet plate, the sliding sleeve at the bottom end of the movable plate is slidably connected with the sliding rod, and the edge position at the top end of the movable plate is provided with an annular dovetail groove;

[0008] The illuminating lamp is installed at the top end of the goose neck lamp tube above the movable plate, a control box is installed on the outer wall of the bottom part of the goose neck lamp tube, and the bottom end of the goose neck lamp tube extends into the annular dovetail groove;

[0009] The side door is arranged on both sides of the cabinet body, and the top end of the side door is provided with convex teeth at equal intervals;

[0010] A driving cavity is arranged at the top of the cabinet body, and a rotating rod is arranged at the output end of the motor in the driving cavity, and a gear is arranged at one end of the rotating rod and is tightly engaged with the convex teeth.

[0011] Preferably, wall pipes are arranged on the inner walls of the cabinet body, and the surfaces of the wall pipes are provided with equidistant exhaust ports.

[0012] Preferably, a machine box is arranged at the bottom of the cabinet body, and a gas cylinder is arranged in the machine box to provide inert gas.

[0013] Preferably, a gas delivery pipe is arranged at one end of the gas cylinder, one end of the gas delivery pipe is connected with the wall pipe, and an electromagnetic valve is arranged at the connection between the gas delivery pipe and the gas cylinder, so as to facilitate the output of the inert gas.

[0014] Preferably, balls are arranged on the outer walls of the sliding rods, and the balls are in rolling contact with the sliding sleeves.

[0015] Preferably, a smoke sensor is arranged on the inner wall of one side of the cabinet body, and cabinet doors are arranged on the front of the cabinet body.

[0016] Preferably, a guide groove is arranged at the bottom of the cabinet body below the side door, and a roller is arranged at the bottom end of the side door and cooperates with the guide groove.

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] When maintenance is performed, the cabinet door is opened, the movable plate is pulled out, the sliding sleeve at the bottom end of the movable plate slides along the sliding rod, and the arrangement of the balls reduces the resistance, so that the pulling out of the movable plate is more smooth, when the back of the electrical component needs to be maintained, the motor is started through the operation of the controller to drive the gear to rotate through the rotating rod, the gear drives the side door to translate through the convex teeth, the roller at the bottom end of the side door rolls along the guide groove, so that the side door is opened, and the back of the electrical component can be maintained from the side, so that the convenience of maintenance is improved.

[0019] The goose neck lamp pipe is pushed to slide along the annular dovetail groove, the goose neck lamp pipe can be moved to the position needing to be maintained, the illuminating lamp provides illumination for the maintenance, the goose neck lamp pipe can be bent at any angle, the design makes the photovoltaic grid-connected metering cabinet have the illumination function, the illumination position can be adjusted, and the maintenance work is more convenient.

[0020] When the smoke sensor detects that smoke exists in the cabinet body, the electromagnetic valve is opened through the operation of the controller, the inert gas in the gas cylinder is delivered into the wall pipe through the gas delivery pipe, the inert gas is dispersed and discharged into the cabinet body through the exhaust ports, the further development of the fire is inhibited, and the safety of the photovoltaic grid-connected metering cabinet is improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the front view section structure schematic view of the utility model;

[0022] Figure 2 It is the cabinet board section view enlarged structure schematic view of the utility model;

[0023] Figure 3 It is the cabinet board plan view enlarged structure schematic view of the utility model;

[0024] Figure 4 It is the side view section structure schematic view of the utility model;

[0025] Figure 5 It is the Figure 4 It is the A place enlarged structure schematic view of the utility model;

[0026] Figure 6 It is the front view appearance structure schematic view of the utility model.

[0027] In the drawing: 1, cabinet body;101, smoke sensor;2, cabinet frame;3, cabinet board;4, movable plate;5, wall pipe;6, exhaust port;7, case;8, gas conveying pipe;9, electromagnetic valve;10, gas cylinder;11, sliding groove;12, sliding rod;13, ball;14, sliding sleeve;15, illuminating lamp;16, gooseneck lamp tube;17, control box;18, annular dovetail groove;19, side door;20, guide groove;21, roller;22, protruding tooth;23, driving cavity;24, motor;25, rotating rod;26, gear;27, cabinet door. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantage of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the scope of protection of the utility model.

[0029] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the scope of protection of the utility model.

[0030] Please refer to Figures 1-6The utility model provides an embodiment: a photovoltaic grid connected metering cabinet convenient to maintain, including

[0031] The cabinet body 1 further includes cabinet plates 3, which are all fixed between the cabinet racks 2 inside the cabinet body 1, and both sides of the top end of each cabinet plate 3 is provided with a sliding groove 11, and a sliding rod 12 is fixed inside the sliding groove 11;

[0032] The movable plate 4 is arranged at the top end of the cabinet plate 3, the sliding sleeve 14 at the bottom end of the movable plate 4 is in sliding connection with the sliding rod 12, and a ring-shaped dovetail groove 18 is arranged at the edge position of the top end of the movable plate 4;

[0033] Specifically, the cabinet door 27 is opened, the movable plate 4 is pulled out, the sliding sleeve 14 at the bottom end of the movable plate 4 slides along the sliding rod 12, and the arrangement of the ball bearings 13 reduces the resistance, so that the pulling of the movable plate 4 is more smooth;

[0034] The illuminating lamp 15 is installed at the top end of the goose neck lamp tube 16 above the movable plate 4, a control box 17 is installed on the outer wall at the bottom of the goose neck lamp tube 16, and the bottom end of the goose neck lamp tube 16 extends into the ring-shaped dovetail groove 18;

[0035] Specifically, the goose neck lamp tube 16 is pushed to slide along the ring-shaped dovetail groove 18, the goose neck lamp tube 16 can be moved to the position to be maintained, the illuminating lamp 15 provides illumination for maintenance, the goose neck lamp tube 16 can be bent at any angle, and the design makes the photovoltaic grid connected metering cabinet have an illumination function, the illumination position can be adjusted by itself, and the maintenance work is more convenient;

[0036] The side door 19 is arranged at both sides of the cabinet body 1, and the top end of each side door 19 is provided with protruding teeth 22 at equal intervals;

[0037] The driving cavity 23 is arranged at the top of the cabinet body 1, a rotating rod 25 is installed at the output end of the motor 24 inside the driving cavity 23, and a gear 26 is installed at one end of the rotating rod 25, and the gear 26 is in close engagement with the protruding teeth 22;

[0038] Specifically, when the back of the electrical element needs to be maintained, the motor 24 is started by operating the controller to drive the gear 26 to rotate through the rotating rod 25, the gear 26 drives the side door 19 to translate through the protruding teeth 22, the roller 21 at the bottom end of the side door 19 rolls along the guide groove 20, so that the side door 19 is opened, and the back of the electrical element can be maintained from the side, thereby improving the convenience of maintenance;

[0039] The inner wall of the cabinet body 1 is provided with wall pipes 5, and the surface of each wall pipe 5 is provided with exhaust ports 6 at equal intervals;

[0040] The bottom of the cabinet body 1 is provided with a machine box 7, and the inside of the machine box 7 is provided with a gas cylinder 10;

[0041] One end of the gas cylinder 10 is provided with a gas delivery pipe 8, one end of the gas delivery pipe 8 is connected with the wall pipe 5, and an electromagnetic valve 9 is installed at the connection between the gas delivery pipe 8 and the gas cylinder 10;

[0042] Specifically, when the smoke sensor 101 detects smoke in the cabinet 1, the electromagnetic valve 9 is opened by operating the controller, so that the inert gas in the gas cylinder 10 is delivered into the wall pipe 5 through the gas delivery pipe 8, and the inert gas is dispersed and discharged into the cabinet 1 through the exhaust port 6, thereby inhibiting the further development of the fire, thereby improving the safety of the photovoltaic grid-connected metering cabinet.

[0043] The outer wall of the slide rod 12 is provided with a plurality of rolling balls 13, and the rolling balls 13 are in rolling contact with the slide sleeve 14.

[0044] The inner wall of one side of the cabinet 1 is provided with a smoke sensor 101, and the front of the cabinet 1 is provided with a cabinet door 27.

[0045] The bottom of the cabinet 1 below the side door 19 is provided with a guide groove 20, and the bottom end of the side door 19 is provided with a rolling wheel 21, and the rolling wheel 21 cooperates with the guide groove 20.

[0046] In use, first, the electrical components are installed on the movable plate 4 at the top end of the cabinet plate 3, when maintenance is performed, the cabinet door 27 is opened, the movable plate 4 is pulled out, the slide sleeve 14 at the bottom end of the movable plate 4 slides along the slide rod 12, and the rolling balls 13 reduce the resistance, so that the movable plate 4 is pulled out more smoothly, then the goose neck lamp tube 16 is pushed to slide along the annular dovetail groove 18, the goose neck lamp tube 16 can be moved to the position to be maintained, the illuminating lamp 15 provides illumination for maintenance, the goose neck lamp tube 16 can be bent at any angle, the design makes the photovoltaic grid-connected metering cabinet have a lighting function, and the lighting position can be adjusted, so that the maintenance work is more convenient, when the back of the electrical component needs to be maintained, the motor 24 is started by operating the controller to drive the gear 26 to rotate through the rotating rod 25, the gear 26 drives the side door 19 to translate through the protruding teeth 22, the rolling wheel 21 at the bottom end of the side door 19 rolls along the guide groove 20, so that the side door 19 is opened, and the back of the electrical component can be maintained from the side, thereby improving the convenience of maintenance, and when the smoke sensor 101 detects smoke in the cabinet 1, the electromagnetic valve 9 is opened by operating the controller, so that the inert gas in the gas cylinder 10 is delivered into the wall pipe 5 through the gas delivery pipe 8, and the inert gas is dispersed and discharged into the cabinet 1 through the exhaust port 6, thereby inhibiting the further development of the fire, thereby improving the safety of the photovoltaic grid-connected metering cabinet.

[0047] Obviously, the above-described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should belong to the protection scope of the present application.

Claims

1. A photovoltaic grid-connected metering cabinet convenient for maintenance, comprising a cabinet body (1), characterized in that: Also includes Cabinet plate (3), the cabinet plate (3) is fixed between the cabinet frame (2) inside the cabinet (1), and the both sides of the top end of the cabinet plate (3) is provided with a sliding groove (11), and the inside of the sliding groove (11) is fixed with a sliding rod (12); The movable plate (4) is arranged at the top end of the cabinet plate (3), and the sliding sleeve (14) at the bottom end of the movable plate (4) is slidably connected with the sliding rod (12), and the edge position at the top end of the movable plate (4) is provided with an annular dovetail groove (18); The lighting lamp (15) is installed at the top end of the gooseneck lamp tube (16) above the movable plate (4), and the control box (17) is installed on the outer wall of the bottom of the gooseneck lamp tube (16), and the bottom end of the gooseneck lamp tube (16) extends into the inside of the annular dovetail groove (18); The side door (19) is arranged on both sides of the cabinet (1), and the top end of the side door (19) is provided with equidistant protrusions (22); The driving cavity (23) is arranged at the top of the cabinet (1), and the motor (24) output end inside the driving cavity (23) is installed with a rotating rod (25), and one end of the rotating rod (25) is installed with a gear (26), and the gear (26) is closely engaged with the protrusion (22).

2. A photovoltaic grid-tied metering cabinet convenient for maintenance according to claim 1, characterized in that: The inner wall of the cabinet (1) is provided with a wall pipe (5), and the surface of the wall pipe (5) is provided with equidistant exhaust ports (6).

3. The photovoltaic grid-tied metering cabinet convenient for maintenance according to claim 1, characterized in that: The bottom of the cabinet (1) is provided with a machine box (7), and the inside of the machine box (7) is provided with a gas cylinder (10).

4. A photovoltaic grid-tied metering cabinet convenient for maintenance according to claim 3, characterized in that: One end of the gas cylinder (10) is provided with a gas pipe (8), and one end of the gas pipe (8) is connected with the wall pipe (5), and the connection between the gas pipe (8) and the gas cylinder (10) is provided with a solenoid valve (9).

5. The photovoltaic grid-tied metering cabinet convenient for maintenance according to claim 1, characterized in that: The outer wall of the sliding rod (12) is provided with a ball (13), and the ball (13) is in rolling contact with the sliding sleeve (14).

6. The photovoltaic grid-tied metering cabinet convenient for maintenance according to claim 1, characterized in that: The inner wall of one side of the cabinet (1) is provided with a smoke sensor (101), and the front of the cabinet (1) is provided with a cabinet door (27).

7. The photovoltaic grid-tied metering cabinet convenient for maintenance according to claim 1, characterized in that: The bottom of the cabinet (1) below the side door (19) is provided with a guide groove (20), and the bottom end of the side door (19) is provided with a roller (21), and the roller (21) cooperates with the guide groove (20).

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