A photovoltaic grid-connected metering cabinet

Abstract

The utility model relates to the technical field of metering cabinets, and discloses a photovoltaic grid-connected metering cabinet, including a box body, wherein a mounting device is arranged inside the box body, wherein the mounting device includes a mounting part; the mounting part includes a mounting plate, a vertical plate, a horizontal plate, a spring and a limiter, and the back of the horizontal plate is fixedly connected to the front of the vertical plate. The photovoltaic grid-connected metering cabinet is provided with a mounting plate, a vertical plate, a sliding rod, an elastic block, a horizontal plate, a spring and a limiter. When installing or repairing electrical appliances, the limiter is pulled downward, and then the horizontal plate is pulled forward to drive the mounting plate to move forward, and the instrument inside the box body is moved to the front end of the box body. At the same time, the elastic block and the left horizontal plate are used for positioning, so that the mounting plate is positioned, and the worker does not need to insert the trunk into the box body to install and repair the electrical appliances; by providing a U-shaped spring plate and a block, the U-shaped spring plate is installed on the mounting plate by using the block, and the wiring harness is limited by the U-shaped spring plate.

Description

Technical Field

[0001] The utility model relates to the technical field of metering cabinets, in particular to a photovoltaic grid-connected metering cabinet. Background Art

[0002] The meter cabinet is a cabinet for installing special meters. It is a kind of electric energy metering device. The electricity metering device is a general term for the combination of all electrical equipment, electrical parts and mechanical structures that measure electric energy.

[0003] A Chinese patent discloses a grid-connected metering cabinet, with publication number CN220475177U, comprising a metering cabinet body, a dust removal chamber is provided inside the inner wall of the metering cabinet body, a ventilation slot is provided on one side of the metering cabinet body, the dust removal chamber is communicated with the ventilation slot, a mounting plate is installed in the dust removal chamber, a corona wire is installed on the mounting plate, a cleaning component is provided in the metering cabinet body, the cleaning component comprises a control cylinder and a cleaning plate, a mounting chamber is provided inside the inner wall of the dust removal chamber, the control cylinder is installed in the mounting chamber, the cleaning plate is arranged in the dust removal chamber and on the top of the corona wire, the cleaning plate is installed at one end of the control cylinder, a scraping slot is provided on the cleaning plate, and the scraping slot corresponds to the corona wire. The utility model can facilitate ventilation and heat dissipation inside the cabinet through the ventilation slots provided inside the metering cabinet body and the internal structure of the dust removal chamber, and can prevent dust from entering the cabinet, so it has a good dustproof effect even when used outdoors.

[0004] However, there are still the following disadvantages: the device uses partitions to separate adjacent meters for installation, which improves the utilization of space, but the internal space of the meter cabinet is limited. When workers are installing or repairing, they need to lean into the cabinet, which restricts their movements and affects their work. To this end, we proposed a photovoltaic grid-connected meter cabinet to solve this problem. Utility Model Content

[0005] The purpose of the utility model is to provide a photovoltaic grid-connected metering cabinet to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above object, the utility model provides the following technical solution: a photovoltaic grid-connected metering cabinet, comprising a box body, wherein a mounting device is arranged inside the box body, and the mounting device comprises a mounting part;

[0007] The mounting portion includes a mounting plate, a vertical plate, a horizontal plate, a spring and a stopper, the back of the horizontal plate is fixedly connected to the front of the vertical plate, the back of the mounting plate is fixedly connected to the front of the vertical plate, a screw hole is provided on the front of the mounting plate, and the bottom end of the spring is fixedly connected to the inner wall of the stopper;

[0008] A heat dissipation part is arranged below the box body;

[0009] The heat dissipation part includes a motor and a circular frame, the bottom surface of the motor is fixedly connected to the inner wall of the box, the outer surface of the bottom end of the motor output shaft rotates through the inner wall of the box through a bearing and extends to the bottom of the box, the top surface of the circular frame is fixedly connected to the bottom surface of the box, and a through hole is opened on the bottom surface of the box.

[0010] A further improvement is that the mounting part also includes a U-shaped spring plate, a card block, a sliding rod and an elastic card block. A sliding groove is opened on the inner wall of the box body. The outer surface of the sliding rod is fixedly connected to the inner wall of the sliding groove. The top of the vertical plate extends into the inside of the sliding groove and is slidably mounted on the outer surface of the sliding rod. By arranging the sliding rod, the horizontal plate, the vertical plate and the mounting plate, it is convenient to move the mounting plate and the instruments on the mounting plate forward and backward. During maintenance, the mounting plate is moved forward to facilitate the installation and maintenance of the instruments on the mounting plate.

[0011] A further improvement is that the outer surface of the top end of the limit member slides through the bottom surface of the right horizontal plate and the inner wall of the box in sequence and extends to the inside of the box, and the top end of the spring is fixedly connected to the bottom surface of the horizontal plate. By setting the limit member and the spring, the tension of the spring is utilized to position the right horizontal plate, thereby facilitating the positioning of the mounting plate.

[0012] A further improvement is that the top surface of the left horizontal plate is fixedly connected to the bottom surface of the elastic card block, a card slot is provided on the inner wall of the box body, the outer surface of the elastic card block is adapted to the inner wall of the card slot, and by setting the elastic card block, when the mounting plate moves forward, the elastic card block is used to position the left horizontal plate.

[0013] A further improvement is that a mounting hole is opened on the front side of the mounting plate, the rear end of the U-shaped spring plate passes through the mounting hole and extends to the rear of the mounting plate, the outer surface of the clamping block is fixedly connected to the outer surface of the U-shaped spring plate, and the outer surface of the clamping block is clamped to the outer surface of the mounting plate. By setting the U-shaped spring plate and the clamping block, the wiring harness can be easily fixed.

[0014] A further improvement is that the heat dissipation part also includes a first filter, fan blades and a second filter. The fan blades are fixedly sleeved on the outer surface of the motor output shaft. By arranging the motor and the fan blades, it is convenient to drive the air flow to dissipate heat inside the box.

[0015] A further improvement is that the outer surface of the first filter is fixedly connected to the inner wall of the circular frame, an air outlet is provided on the outer surface of the box body, and the outer surface of the second filter is fixedly connected to the inner wall of the air outlet. By setting the first filter, the air entering the inside of the box body is filtered, and the second filter is used to prevent foreign matter from entering the inside of the box body through the air outlet.

[0016] Compared with the prior art, the beneficial effects of the utility model are as follows: the photovoltaic grid-connected metering cabinet, by providing a mounting plate, a vertical plate, a sliding rod, an elastic block, a horizontal plate, a spring and a limit piece, when installing or repairing electrical appliances, pull the limit piece downward, then pull the horizontal plate forward, drive the mounting plate forward, move the instrument inside the box to the front end of the box, and at the same time use the elastic block and the left horizontal plate for positioning, so that the mounting plate is positioned, and workers do not have to insert their torsos into the box to install and repair electrical appliances; by providing a U-shaped spring plate and a block, the U-shaped spring plate is installed on the mounting plate using the block, and the wiring harness is limited by the U-shaped spring plate; by providing a return frame, a first filter screen, fan blades, a motor and a second filter screen, the motor is started, and the motor drives the fan blades to rotate, so that the wind at the bottom of the box passes through the first filter screen into the inside of the box, and then flows out from the second filter screen, so that the inside of the box can be dissipated and cooled. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a front sectional view of the overall structure of the utility model;

[0019] Figure 3 It is a partial cross-sectional view of the right side of the overall structure of the utility model;

[0020] Figure 4 It is a partial sectional view of the left side of the overall structure of the utility model;

[0021] Figure 5 It is a partial cross-sectional view of the top of the overall structure of the utility model.

[0022] In the figure: 1 box body, 2 mounting device, 21 heat dissipation part, 22 mounting part, 211 return frame, 212 first filter screen, 213 fan blades, 214 motor, 215 second filter screen, 221 U-shaped spring plate, 222 mounting plate, 223 vertical plate, 224 block, 225 slide rod, 226 horizontal plate, 227 spring, 228 limiter, 229 elastic block. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-Figure 5, the utility model provides a technical solution: a photovoltaic grid-connected metering cabinet, comprising a box body 1, a mounting device 2 is arranged inside the box body 1, and the mounting device 2 comprises a mounting portion 22;

[0025] The mounting portion 22 includes a mounting plate 222, a vertical plate 223, a horizontal plate 226, a spring 227 and a stopper 228. The back of the horizontal plate 226 is fixedly connected to the front of the vertical plate 223, the back of the mounting plate 222 is fixedly connected to the front of the vertical plate 223, a screw hole is provided on the front of the mounting plate 222, the bottom end of the spring 227 is fixedly connected to the inner wall of the stopper 228, and the mounting portion 22 also includes a U-shaped spring plate 221, a clamping block 224, a slide rod 225 and an elastic clamping block 229;

[0026] A slide groove is provided on the inner wall of the box body 1, and the outer surface of the slide rod 225 is fixedly connected to the inner wall of the slide groove. The top of the vertical plate 223 extends to the inside of the slide groove and is slidably sleeved on the outer surface of the slide rod 225. The top outer surface of the limiter 228 sequentially slides through the bottom surface of the right horizontal plate 226 and the inner wall of the box body 1 and extends to the inside of the box body 1. The top of the spring 227 is fixedly connected to the bottom surface of the horizontal plate 226.

[0027] The top surface of the left horizontal plate 226 is fixedly connected to the bottom surface of the elastic block 229, and a slot is provided on the inner wall of the box body 1. The outer surface of the elastic block 229 is matched with the inner wall of the slot. By arranging the mounting plate 222, the vertical plate 223, the slide bar 225, the elastic block 229, the horizontal plate 226, the spring 227 and the limiter 228, when installing or repairing the electrical appliance, the limiter 228 is pulled downward, and then the horizontal plate 226 is pulled forward to drive the mounting plate 222 to move forward, and the instrument inside the box body 1 is moved to the front end of the box body 1. At the same time, the elastic block 229 and the left horizontal plate 226 are used for positioning, so that the mounting plate 222 is positioned, and the worker does not need to put his torso into the box body 1 to install and repair the electrical appliance;

[0028] The front side of the mounting plate 222 is provided with a mounting hole, the rear end of the U-shaped spring plate 221 passes through the mounting hole and extends to the rear of the mounting plate 222, the outer surface of the clamping block 224 is fixedly connected to the outer surface of the U-shaped spring plate 221, and the outer surface of the clamping block 224 is clamped to the outer surface of the mounting plate 222. By providing the U-shaped spring plate 221 and the clamping block 224, the U-shaped spring plate 221 is mounted on the mounting plate 222 by using the clamping block 224, and the U-shaped spring plate 221 is used to limit the wiring harness;

[0029] A heat dissipation portion 21 is provided below the box body 1;

[0030] The heat dissipation part 21 includes a motor 214 and a return frame 211. The bottom surface of the motor 214 is fixedly connected to the inner wall of the box body 1. The outer surface of the bottom end of the output shaft of the motor 214 rotates through the inner wall of the box body 1 through a bearing and extends to the bottom of the box body 1. The top surface of the return frame 211 is fixedly connected to the bottom surface of the box body 1. The bottom surface of the box body 1 is provided with a through hole. The heat dissipation part 21 also includes a first filter 212, a fan blade 213 and a second filter 215.

[0031] The fan blade 213 is fixedly sleeved on the outer surface of the output shaft of the motor 214, the outer surface of the first filter 212 is fixedly connected to the inner wall of the circular frame 211, an air outlet is opened on the outer surface of the box body 1, and the outer surface of the second filter 215 is fixedly connected to the inner wall of the air outlet. By setting the circular frame 211, the first filter 212, the fan blade 213, the motor 214 and the second filter 215, the motor 214 is started, and the motor 214 drives the fan blade 213 to rotate, so that the wind at the bottom of the box body 1 passes through the first filter 212 into the interior of the box body 1, and flows out from the second filter 215, so that the interior of the box body 1 can be dissipated and cooled.

[0032] When in use, start the motor 214, and the output shaft of the motor 214 drives the fan blades 213 to rotate, so that the wind passes through the first filter 212 and enters the interior of the box body 1, and then the wind passes through the second filter 215 and flows to the outside of the box body 1. During maintenance, pull the limit member 228 downward so that the limit member 228 no longer limits the right horizontal plate 226, and pull the horizontal plate 226 forward. The horizontal plate 226 drives the vertical plate 223 to move forward, and the vertical plate 223 drives the mounting plate 222 to move forward. At the same time, the mounting plate 222 drives the left horizontal plate 226 to move forward, and the left horizontal plate 226 drives the elastic block 229 to move forward. When moving, the elastic block 229 is stuck in the card slot inside the box body 1, and the instrument can be repaired on the front side of the mounting plate 222.

[0033] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A photovoltaic grid-connected metering cabinet, comprising a cabinet (1), characterized in that: A mounting device (2) is provided inside the box (1), and the mounting device (2) comprises a mounting portion (22); The mounting portion (22) comprises a mounting plate (222), a vertical plate (223), a horizontal plate (226), a spring (227) and a stopper (228); the back of the horizontal plate (226) is fixedly connected to the front of the vertical plate (223); the back of the mounting plate (222) is fixedly connected to the front of the vertical plate (223); a screw hole is provided on the front of the mounting plate (222); and the bottom end of the spring (227) is fixedly connected to the inner wall of the stopper (228); A heat dissipation portion (21) is provided below the box body (1); The heat dissipation portion (21) comprises a motor (214) and a return-shaped frame (211); the bottom surface of the motor (214) is fixedly connected to the inner wall of the box body (1); the outer surface of the bottom end of the output shaft of the motor (214) rotates through the inner wall of the box body (1) through a bearing and extends to the bottom of the box body (1); the top surface of the return-shaped frame (211) is fixedly connected to the bottom surface of the box body (1); and a through hole is provided on the bottom surface of the box body (1).

2. A photovoltaic grid-connected metering cabinet according to claim 1, characterized in that: The mounting portion (22) further comprises a U-shaped spring plate (221), a clamping block (224), a sliding rod (225) and an elastic clamping block (229); a sliding groove is provided on the inner wall of the box body (1); the outer surface of the sliding rod (225) is fixedly connected to the inner wall of the sliding groove; the top end of the vertical plate (223) extends into the interior of the sliding groove and is slidably sleeved on the outer surface of the sliding rod (225).

3. A photovoltaic grid-connected metering cabinet according to claim 2, characterized in that: The outer surface of the top end of the limiting member (228) slides through the bottom surface of the right transverse plate (226) and the inner wall of the box body (1) in sequence and extends into the interior of the box body (1), and the top end of the spring (227) is fixedly connected to the bottom surface of the transverse plate (226).

4. A photovoltaic grid-connected metering cabinet according to claim 2, characterized in that: The top surface of the left horizontal plate (226) is fixedly connected to the bottom surface of the elastic clamping block (229); a clamping groove is provided on the inner wall of the box body (1); and the outer surface of the elastic clamping block (229) is adapted to the inner wall of the clamping groove.

5. A photovoltaic grid-connected metering cabinet according to claim 2, characterized in that: A mounting hole is provided on the front of the mounting plate (222); the rear end of the U-shaped spring plate (221) passes through the mounting hole and extends to the rear of the mounting plate (222); the outer surface of the clamping block (224) is fixedly connected to the outer surface of the U-shaped spring plate (221); and the outer surface of the clamping block (224) is clamped to the outer surface of the mounting plate (222).

6. A photovoltaic grid-connected metering cabinet according to claim 1, characterized in that: The heat dissipation portion (21) further comprises a first filter screen (212), a fan blade (213) and a second filter screen (215); the fan blade (213) is fixedly sleeved on the outer surface of the output shaft of the motor (214).

7. A photovoltaic grid-connected metering cabinet according to claim 6, characterized in that: The outer surface of the first filter screen (212) is fixedly connected to the inner wall of the circular frame (211), an air outlet hole is provided on the outer surface of the box body (1), and the outer surface of the second filter screen (215) is fixedly connected to the inner wall of the air outlet hole.

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