Wireless communication device of photovoltaic combiner box

Abstract

The utility model discloses a wireless communication device for a photovoltaic combiner box, relates to the technical field of wireless communication devices, and aims to solve the problems that the conventional general wireless communication device is directly mounted on the photovoltaic combiner box, is more complicated to mount and dismount, is adhered with dust after being directly mounted on the photovoltaic combiner box for a long time, and is inconvenient to use. The communication device comprises a communication device body and a protective shell, the communication device body is installed in the protective shell, and the front end of the protective shell is open; the antenna is arranged at the upper end of the communication device body, a display screen is arranged at the front end of the communication device body, a switch is arranged on one side of the upper end of the display screen, a fixing frame is arranged in the protective shell, and the fixing frame is composed of a connecting plate, a side plate and a clamping plate; the two side plates are symmetrically arranged on the left side and the right side of the connecting plate, and the clamping plates are arranged at the front ends of the side plates.

Description

Technical Field

[0001] The utility model relates to the technical field of wireless communication devices, in particular to a wireless communication device for a photovoltaic combiner box. Background Art

[0002] The photovoltaic combiner box is a wiring device that ensures the orderly connection and convergence function of photovoltaic components in the photovoltaic power generation system. It means that users can connect a certain number of photovoltaic cells of the same specifications in series to form photovoltaic strings, and then connect several photovoltaic strings in parallel to the photovoltaic combiner box. After convergence in the combiner box, it is used in conjunction with the controller, DC distribution cabinet, photovoltaic inverter, and AC distribution cabinet to form a complete photovoltaic power generation system and achieve grid connection with the city power.

[0003] Usually, a wireless communication device is installed on the photovoltaic combiner box to facilitate remote uploading of data in the photovoltaic combiner box to the terminal. However, the wireless communication device is usually installed directly on the photovoltaic combiner box, which is relatively complicated to install and disassemble. Moreover, if it is directly installed on the photovoltaic combiner box, dust will stick to it over time, which is more troublesome to clean. Therefore, we propose a wireless communication device for photovoltaic combiner box to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a wireless communication device for a photovoltaic combiner box to solve the problem mentioned in the above background technology that the wireless communication device is usually directly installed on the photovoltaic combiner box, which is relatively complicated to install and disassemble, and directly installed on the photovoltaic combiner box, dust will stick to it over time, which is troublesome to clean.

[0005] To achieve the above object, the utility model provides the following technical solutions: a wireless communication device for a photovoltaic combiner box, comprising a communication device body and a protective shell, wherein the communication device body is installed inside the protective shell, and the front end of the protective shell is open;

[0006] Also includes:

[0007] The antenna is arranged at the upper end of the communication device body, a display screen is arranged at the front end of the communication device body, a switch is arranged on one side of the upper end of the display screen, a fixing frame is arranged inside the protective shell, the fixing frame is composed of a connecting plate, a side plate and a clamping plate, two side plates are arranged and symmetrically arranged on the left and right sides of the connecting plate, the clamping plate is arranged at the front end of the side plate, and the communication device body is installed inside the protective shell by clamping with the fixing frame, a slide groove is integrally formed inside the side plate, and limit blocks are symmetrically arranged on both sides of the inner wall of the protective shell, the limit blocks are clamped inside the slide groove, and the fixing frame slides back and forth inside the protective shell through the limit blocks.

[0008] Preferably, a spring is provided inside the slide groove, and the spring is located at the rear end of the limiting block.

[0009] Preferably, a first through slot is provided at the upper end of the protective shell, the first through slot corresponds to the position of the antenna one-to-one, and the antenna is engaged in the first through slot when the communication device body is engaged into the protective shell, and a second through slot is provided at the bottom end of the protective shell.

[0010] Preferably, a soft pad is provided on the rear side of the clamping plate.

[0011] Preferably, second connecting blocks are symmetrically arranged below the left and right sides of the protective shell, a transparent cover plate is arranged at the front end of the protective shell, and first connecting blocks are arranged below the left and right sides of the transparent cover plate. The first connecting block and the second connecting block are connected and fixed by connecting pieces, and the transparent cover plate is opened and closed at the front end of the protective shell through the connecting pieces.

[0012] Preferably, fixed blocks are symmetrically arranged above the left and right sides of the transparent cover, and latches are symmetrically arranged above the left and right sides of the protective shell. The latches rotate through the rotating shaft, and when the transparent cover is closed, the latches are engaged with the fixed blocks.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. Put the wireless communication device into the protective shell, which is fixed on the photovoltaic junction box by threaded connection. A fixing frame is arranged inside the protective shell, and slide grooves are arranged on both sides of the fixing frame, which are slidably engaged with the limit blocks, so that the fixing frame can slide back and forth inside the protective shell. The wireless communication device is engaged in the fixing frame, and the wireless communication device can be placed inside the protective shell by pushing it backward. At the same time, a spring is arranged inside the slide groove, which is connected with the limit block, and a certain pressure can be applied to the fixing frame, so that the fixing frame is not easy to loosen when it is pressed against the inside of the protective shell, so as to prevent the fixing frame from loosening and causing the wireless communication device to fall off from the protective shell. The structure is simple to use and convenient for quick installation and disassembly of the wireless communication device.

[0015] 2. By arranging a transparent cover plate at the front end of the protective shell, the front end of the protective shell can be closed, the display screen on the surface of the wireless communication device can be protected, and a certain degree of dustproof effect can be achieved, so that dust is not easy to be contaminated on the display screen. The transparent cover plate is fixed to the front end of the protective shell by the engagement of the bayonet and the fixing block, and is opened and closed by the connecting block and the connecting piece, which is convenient for use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a front view of the installation of the communication device body and the protective shell of the utility model;

[0017] Figure 2 This is a schematic diagram of the protective shell and transparent cover structure of the utility model;

[0018] Figure 3 This is a top view of the interior of the protective shell of the utility model;

[0019] Figure 4 This is an enlarged view of the structure at A of the utility model;

[0020] In the figure: 1. communication device body; 2. antenna; 3. display screen; 4. switch; 5. protective shell; 6. connecting plate; 7. side plate; 8. snap plate; 9. cushion; 10. spring; 11. slide groove; 12. limit block; 13. transparent cover; 14. first connecting block; 15. second connecting block; 16. connecting piece; 17. first through groove; 18. second through groove; 19. fixing block; 20. latch; 21. fixing bracket. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] See also Figure 1-4 The utility model provides an embodiment: a wireless communication device for a photovoltaic combiner box, comprising a communication device body 1 and a protective shell 5, wherein the communication device body 1 is installed inside the protective shell 5, and the front end of the protective shell 5 is open;

[0023] Also includes:

[0024] The antenna 2 is arranged at the upper end of the communication device body 1. A display screen 3 is arranged at the front end of the communication device body 1. A switch 4 is arranged on one side of the upper end of the display screen 3. A fixing frame 21 is arranged inside the protective shell 5. The fixing frame 21 is composed of a connecting plate 6, a side plate 7 and a clamping plate 8. Two side plates 7 are provided and are symmetrically arranged on the left and right sides of the connecting plate 6. The clamping plate 8 is arranged at the front end of the side plate 7. The communication device body 1 is installed inside the protective shell 5 by clamping with the fixing frame 21. A slide groove 11 is integrally formed inside the side plate 7. Limit blocks 12 are symmetrically arranged on both sides of the inner wall of the protective shell 5. The limit blocks 12 are clamped inside the slide groove 11, and the fixing frame 21 slides back and forth inside the protective shell 5 through the limit blocks 12.

[0025] A fixing frame 21 is arranged inside the protective shell 5, and slide grooves 11 are arranged on both sides of the fixing frame 21, which are slidably engaged with the limit blocks 12, so that the fixing frame 21 can slide back and forth inside the protective shell 5. The wireless communication device is engaged in the fixing frame 21, and the wireless communication device can be placed inside the protective shell 5 by pushing it backward, which is convenient for quick installation and removal of the wireless communication device.

[0026] See also Figure 4 A spring 10 is arranged inside the slide groove 11, and the spring 10 is located at the rear end of the limit block 12, which can apply a certain pressure to the fixing frame 21, so that the fixing frame 21 is not easy to loosen inside the protective shell 5, thereby preventing the fixing frame 21 from loosening and causing the wireless communication device to fall off from the protective shell 5.

[0027] See also Figure 2 A first through slot 17 is provided at the upper end of the protective shell 5, and the first through slot 17 corresponds to the position of the antenna 2 one by one, and when the communication device body 1 is engaged into the protective shell 5, the antenna 2 is engaged in the first through slot 17, and a second through slot 18 is provided at the bottom end of the protective shell 5, and the first through slot 17 can reserve a position for the antenna 2, and the second through slot 18 can be slotted according to the position of the wiring, and the second through slot 18 can reserve a position for the wiring.

[0028] See also Figure 3 A soft pad 9 is provided on the rear side of the clamping plate 8 to protect the connection between the clamping plate 8 and the communication device body 1 .

[0029] See also Figure 2 A second connecting block 15 is symmetrically arranged below the left and right sides of the protective shell 5, a transparent cover plate 13 is arranged at the front end of the protective shell 5, and a first connecting block 14 is arranged below the left and right sides of the transparent cover plate 13. The first connecting block 14 and the second connecting block 15 are connected and fixed by a connecting member 16, and the transparent cover plate 13 is opened and closed at the front end of the protective shell 5 through the connecting member 16, and the transparent cover plate 13 can protect the front end of the protective shell 5.

[0030] See also Figure 2 Fixed blocks 19 are symmetrically arranged above the left and right sides of the transparent cover 13, and latches 20 are symmetrically arranged above the left and right sides of the protective shell 5. The latches 20 rotate through the rotating shaft, and when the transparent cover 13 is closed, the latches 20 are engaged with the fixed blocks 19 to fix the transparent cover 13.

[0031] Working principle: flip the transparent cover 13 downward, then pull out the fixing frame 21, snap the communication device body 1 into the inner side of the fixing frame 21, push the fixing frame 21 forward, snap the communication device body 1 into the protective shell 5, align the antenna 2 with the first through slot 17, then close the transparent cover 13, and snap the bayonet 20 into the fixing block 19 to protect the transparent cover 13.

[0032] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A wireless communication device for a photovoltaic combiner box, comprising a communication device body (1) and a protective shell (5), wherein the communication device body (1) is installed inside the protective shell (5), and the front end of the protective shell (5) is open; Features: Also includes: The antenna (2) is arranged at the upper end of a communication device body (1). A display screen (3) is arranged at the front end of the communication device body (1). A switch (4) is arranged at one side of the upper end of the display screen (3). A fixing frame (21) is arranged inside the protective shell (5). The fixing frame (21) is composed of a connecting plate (6), a side plate (7) and a clamping plate (8). Two side plates (7) are arranged and are symmetrically arranged on the left and right sides of the connecting plate (6). The clamping plate (8) is arranged at the front end of the side plate (7). The communication device body (1) is installed inside the protective shell (5) by clamping with the fixing frame (21). A sliding groove (11) is integrally formed inside the side plate (7). Limiting blocks (12) are symmetrically arranged on both sides of the inner wall of the protective shell (5). The limiting blocks (12) are clamped inside the sliding groove (11). The fixing frame (21) slides forward and backward inside the protective shell (5) through the limiting blocks (12).

2. A photovoltaic combiner box wireless communication device according to claim 1, characterized in that: A spring (10) is arranged inside the sliding groove (11), and the spring (10) is located at the rear end of the limiting block (12).

3. A photovoltaic combiner box wireless communication device according to claim 1, characterized in that: The upper end of the protective shell (5) is provided with a first through slot (17), the first through slot (17) corresponds to the position of the antenna (2) one by one, and when the communication device body (1) is engaged into the interior of the protective shell (5), the antenna (2) is engaged in the first through slot (17), and the bottom end of the protective shell (5) is provided with a second through slot (18).

4. A photovoltaic combiner box wireless communication device according to claim 1, characterized in that: A soft pad (9) is provided on the rear side of the clamping plate (8).

5. A photovoltaic combiner box wireless communication device according to claim 1, characterized in that: Second connecting blocks (15) are symmetrically arranged below the left and right sides of the protective shell (5); a transparent cover plate (13) is arranged at the front end of the protective shell (5); first connecting blocks (14) are arranged below the left and right sides of the transparent cover plate (13); the first connecting blocks (14) and the second connecting blocks (15) are connected and fixed via connecting pieces (16); and the transparent cover plate (13) is opened and closed at the front end of the protective shell (5) via the connecting pieces (16).

6. A photovoltaic combiner box wireless communication device according to claim 5, characterized in that: Fixed blocks (19) are symmetrically arranged above the left and right sides of the transparent cover plate (13), and latches (20) are symmetrically arranged above the left and right sides of the protective shell (5). The latches (20) are rotated by a rotating shaft, and when the transparent cover plate (13) is closed, the latches (20) are engaged with the fixed blocks (19).

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