Photovoltaic grid-connected box

Abstract

The utility model relates to a kind of photovoltaic grid-connected box, comprising: box, one end of box is open state, the inside of box is separated into two containing spaces by partition, multiple waist circle shape's threading hole are uniformly distributed on partition, partition is equipped with opening and closing device, opening and closing device can control the opening and closing degree of threading hole, so as to clamp the cable threaded between two containing spaces;Box door, box door is movably arranged in the open end of box.The main purpose of the utility model is to provide a kind of photovoltaic grid-connected box, by setting opening and closing device on partition, cable is clamped using opening and closing device, so as to avoid cable damage or cable's wire head slack.

Description

Technical Field

[0001] This utility model relates to an electrical device, specifically a photovoltaic grid-connected box. Background Technology

[0002] A photovoltaic grid-connected box is a device that collects AC power generated by an inverter and transmits it to the power grid or the user's end. A typical photovoltaic grid-connected box consists of two parts: metering and distribution, which are separated by a partition. Therefore, the photovoltaic grid-connected box needs to reserve space for the installation of metering meters and data collectors.

[0003] As mentioned above, the metering meters and power distribution equipment inside the photovoltaic grid-connected box need to be connected by cables. Currently, circular wire holes are made on the partition, and circular rubber rings are placed on the wire holes to fix the cables passing between the two spaces.

[0004] However, after a period of use, the rubber ring is thin and easily damaged, causing the cable to wobble inside the hole, which can damage the cable sheath or loosen the cable ends. Utility Model Content

[0005] The main purpose of this utility model is to provide a photovoltaic grid-connected box, which uses an opening and closing device on the partition to clamp the cable, thereby preventing cable damage or loosening of the cable ends.

[0006] To achieve the above objectives, this utility model provides a photovoltaic grid-connected box, comprising:

[0007] The enclosure has an open end. The interior of the enclosure is divided into two compartments by a partition. The partition has multiple oval-shaped wire holes. The partition is equipped with an opening and closing device that can control the opening and closing degree of the wire holes so as to clamp the cables passing through the two compartments.

[0008] The box door is located at the open end of the box body.

[0009] Preferably, the opening and closing device includes two sets of rollers and a movable plate. The two sets of rollers are symmetrically arranged and are respectively installed on the left and right side plates of the box. The movable plate is set against the partition and is slidably connected to the partition. The rollers press against the top of the movable plate.

[0010] More preferably, the roller includes a shaft and a wheel, one end of the shaft is fixedly connected to the side plate, and the other end of the shaft is through which the wheel passes.

[0011] Even more preferably, the impeller is a rubber impeller.

[0012] In a further preferred embodiment, the movable plate is provided with multiple arc-shaped grooves, and the number and position of the arc-shaped grooves are matched with the number and position of the wire holes.

[0013] In a further preferred embodiment, a second rubber ring is fitted onto the arc-shaped groove.

[0014] In a further preferred embodiment, a first rubber ring is fitted onto the threading hole.

[0015] In a further preferred embodiment, the movable plate is provided with a strip groove, and a column is fixedly provided on the partition plate, the column being able to slide within the strip groove.

[0016] The beneficial effects of this utility model are as follows:

[0017] This invention utilizes a partition plate to clamp cables, resulting in a more secure cable fixation and reducing the risk of wear and loosening. Simultaneously, its flexible and adjustable structure adapts to various scenarios. Specifically, the partition plate features an oval-shaped cable-passing hole equipped with an opening and closing device. The opening degree of the hole is adjusted by sliding a movable plate. When the cable passes through the hole, the movable plate is pushed to bring the arc-shaped groove tightly against the cable surface. Rollers press against the movable plate to create a mechanical clamping force, preventing the cable from wobbling within the hole. Therefore, compared to traditional single rubber ring fixation, this design can adaptively adjust the clamping force according to the cable diameter. This invention is particularly suitable for scenarios where multiple cables pass through in parallel, significantly reducing the probability of cable sheath wear or loosening of the cable ends.

[0018] In addition, the movable plate of this utility model is positioned by sliding the column in the strip groove. When adjusting, you only need to push the movable plate to the appropriate position. No additional tools are required to complete the clamping or loosening operation, which improves the efficiency of on-site construction and maintenance. Attached Figure Description

[0019] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0020] Figure 1 This is a three-dimensional structural diagram of the photovoltaic grid-connected box of this utility model;

[0021] Figure 2 This is a schematic diagram of the internal structure of the photovoltaic grid-connected box of this utility model;

[0022] Figure 3 This is a schematic diagram of the partition of the photovoltaic grid-connected box of this utility model;

[0023] Figure 4 This is a schematic diagram of the structure of the movable plate of the photovoltaic grid-connected box of this utility model.

[0024] Explanation of reference numerals in the attached figures

[0025] 10. Install the tripod;

[0026] 100. Box body; 200. Box door;

[0027] 300, partition; 310, threading hole; 320, first rubber ring;

[0028] 330. Column;

[0029] 400. Moving plate; 410. Arc groove; 420. Second rubber ring;

[0030] 430. Slotted groove;

[0031] 20. Roller; 21. Rotary wheel; 22. Shaft. Detailed Implementation

[0032] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Many specific details are set forth in the following description to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0033] like Figure 1 As shown, this embodiment provides a photovoltaic grid-connected box, including a box body 100 and a box door 200. The box door 200 is movably fastened to the open end of the box body 100. The box body 100 has a cuboid shape. A mounting bracket 10 is installed at the rear end of the box body 100. A mounting plate is installed on the back panel inside the box body 100 for installing various electrical equipment. Handles, locks, and other components can be installed on the box door 200. The interior of the box body 100 is divided into two accommodating spaces by a partition 300. The upper accommodating space is used to install a meter, and the lower accommodating space is used to install power distribution equipment such as a switch. The power distribution equipment is electrically connected to the meter via cables. Multiple oval-shaped wire holes 310 are evenly distributed on the partition 300, through which cables pass to connect the electrical equipment in the two accommodating spaces. The oval-shaped wire hole 310 can accommodate cables of different diameters (such as a single thick cable or multiple thin cables passing through in parallel) along its long axis, avoiding the cable squeezing or inability to pass through caused by the fixed diameter of traditional circular holes.

[0034] In this embodiment, the partition 300 is provided with an opening and closing device, which can control the opening and closing degree of the wire hole 310 so as to clamp the cable passing between the two accommodating spaces. The opening and closing device, together with the oval-shaped wire hole 310, can flexibly adjust the effective opening size of the wire hole 310, thereby improving the adaptability of the grid box to diverse cable layouts.

[0035] Specifically, in this embodiment, such as Figures 2 to 4As shown, the opening and closing device includes two sets of rollers 20 and a movable plate 400. These two sets of rollers 20 are symmetrically arranged (each set of rollers 20 in this embodiment has two rollers), and are respectively mounted on the left and right side plates of the housing 100. The movable plate 400 is disposed against the partition 300, and is slidably connected to the partition 300. The rollers 20 press against the top of the movable plate 400. Preferably, in this embodiment, the roller 20 includes a rotating shaft 22 and a rotating wheel 21. One end of the rotating shaft 22 is fixedly connected to the side plate, and the other end of the rotating shaft 22 passes through the rotating wheel 21. The rotating wheel 21 is a rubber wheel with a certain degree of elasticity. The rotating wheel 21 presses the movable plate 400 against the partition 300, and also prevents the movable plate 400 from moving.

[0036] In this embodiment, as Figure 4 As shown, multiple arc-shaped grooves 410 are provided on the movable plate 400. The number and position of the arc-shaped grooves 410 are matched with the number and position of the wire holes 310. The cable is clamped by the cooperation of the arc-shaped grooves 410 and the wire holes 310 to prevent the cable from loosening.

[0037] In addition, to prevent the cable sheath from being damaged by the wire hole 310 and the arc groove 410, a second rubber ring 420 is fitted on the arc groove 410 and a first rubber ring 320 is fitted on the wire hole 310.

[0038] In this embodiment, a strip groove 430 can be provided on the moving plate 400 according to the length of the moving plate 400, and a column 330 is fixedly provided on the partition plate 300. The column 330 can slide in the strip groove 430. Through the cooperation of the two, the moving plate 400 is prevented from being misaligned during the sliding process.

[0039] Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without inventive effort are within the scope of protection of this utility model.

Claims

1. A photovoltaic grid-connected box, characterized in that, include: The enclosure has one open end. The interior of the enclosure is divided into two accommodating spaces by a partition. The partition has multiple oval-shaped wire holes evenly distributed on it. The partition is equipped with an opening and closing device that can control the opening and closing degree of the wire holes so as to clamp the cables passing through the two accommodating spaces. A door is movably disposed at the open end of the box body.

2. A photovoltaic grid-connected box according to claim 1, characterized in that, The opening and closing device includes two sets of rollers and a movable plate. The two sets of rollers are symmetrically arranged and are respectively installed on the left and right side plates of the box. The movable plate is set against the partition and is slidably connected to the partition. The rollers press against the top of the movable plate.

3. A photovoltaic grid-connected box according to claim 2, characterized in that, The roller includes a shaft and a wheel. One end of the shaft is fixedly connected to the side plate, and the other end of the shaft passes through the wheel.

4. A photovoltaic grid-connected box according to claim 3, characterized in that, The wheel is a rubber wheel.

5. A photovoltaic grid-connected box according to claim 4, characterized in that, The movable plate is provided with multiple arc-shaped grooves, and the number and position of the arc-shaped grooves are matched with the number and position of the threading holes.

6. A photovoltaic grid-connected box according to claim 5, characterized in that, A second rubber ring is fitted onto the arc-shaped groove.

7. A photovoltaic grid-connected box according to any one of claims 2-6, characterized in that, A first rubber ring is fitted onto the threading hole.

8. A photovoltaic grid-connected box according to claim 7, characterized in that, The movable plate is provided with a strip groove, and the partition plate is fixed with a column, which can slide within the strip groove.

Images