Grid-connected inverter mounting device

Abstract

The utility model provides a grid-connected inverter installation device which comprises a photovoltaic grid-connected inverter, two symmetrically arranged lug plates are installed at the bottom of the photovoltaic grid-connected inverter, two notches are formed in the side, away from the photovoltaic grid-connected inverter, of the upper surface of each lug plate, two symmetrically arranged bottom strips are arranged at the bottom of the photovoltaic grid-connected inverter, and the two notches are formed in the side, away from the photovoltaic grid-connected inverter, of the upper surface of each lug plate. A first connecting screw in threaded connection with the bottom strip is inserted in the notch, U-shaped grooves are formed in the two ends of the bottom strip, connecting plates are rotationally installed in the U-shaped grooves through pin shafts, and a plurality of lengthening plates connected end to end are arranged at the ends, away from the U-shaped grooves, of the connecting plates; one lengthening plate is connected with the other lengthening plate through a fastener formed by two sets of second connecting screws and nuts, fixing holes are formed in the upper surfaces of the lengthening plates, and the photovoltaic grid-connected inverter has the advantages that the photovoltaic grid-connected inverter can be installed on carriers with screw holes at different intervals, and the installation range is expanded.

Description

TECHNICAL FIELD

[0001] The utility model relates to a grid-connected inverter mounting device and belongs to the photovoltaic power generation field. BACKGROUND

[0002] The photovoltaic grid-connected inverter is a core equipment in a solar photovoltaic power generation system, which converts direct current (DC) generated by a photovoltaic panel into alternating current (AC) compatible with a power grid, and delivers power to the power grid or for local load use. The photovoltaic grid-connected inverter is provided at the bottom with two notched ear plates extending to the outside of the photovoltaic grid-connected inverter, so that the screws are screwed into the threaded holes on the carrier after passing through the perforations, thereby mounting the photovoltaic grid-connected inverter on the carrier. However, the relative positions of the ear plates and the photovoltaic grid-connected inverter are fixed, and the relative positions of the notches and the ear plates are fixed, so that the spacing of the threaded holes on the carrier for mounting the photovoltaic grid-connected inverter is limited, and the photovoltaic grid-connected inverter cannot be mounted on the carrier with threaded holes of different spacings, and the application range is single. SUMMARY

[0003] In view of the deficiencies in the prior art, the utility model aims to provide a grid-connected inverter mounting device to solve the problems in the background art, and enable the photovoltaic grid-connected inverter to be mounted on a carrier with threaded holes of different spacings, thereby expanding the installation range.

[0004] To achieve the above-mentioned purpose, the utility model is implemented by the following technical scheme: a grid-connected inverter mounting device, comprising a photovoltaic grid-connected inverter, two symmetrically arranged ear plates are installed at the bottom of the photovoltaic grid-connected inverter, one end of the ear plate extends to the outside of the photovoltaic grid-connected inverter, two notches are formed on the side of the upper surface of the ear plate away from the photovoltaic grid-connected inverter, two symmetrically arranged bottom strips are provided at the bottom of the photovoltaic grid-connected inverter, a first connecting screw is inserted into the notch and screwed with the bottom strip, U-shaped grooves are formed at both ends of the bottom strip, a connecting plate is rotatably installed in the U-shaped groove through a pin shaft, a plurality of elongated plates connected end to end are provided at the end of the connecting plate away from the U-shaped groove, one of the elongated plates is connected to the connecting plate through a fastener formed by two second connecting screws and nuts, and the other elongated plate is connected to the elongated plate through a fastener formed by two second connecting screws and nuts, and a fixing hole is formed on the upper surface of the elongated plate.

[0005] Further, first connecting ears are fixedly connected to both ends of the elongated plate, and two second connecting ears are installed at the end of the connecting plate close to the U-shaped groove, the first connecting ear on one of the elongated plates is connected to the corresponding second connecting ear on the connecting plate through a fastener formed by a second connecting screw and a nut, and the first connecting ear on one of the elongated plates is connected to the second connecting ear on the other elongated plate through a fastener formed by a second connecting screw and a nut.

[0006] Further, the first connecting lug and the lengthening plate are integrally formed, and the second connecting lug and the connecting plate are integrally formed.

[0007] Further, the two ends of the bottom strip are provided with shaft holes, the shaft holes are communicated with the U-shaped groove, one end of the connecting plate in the U-shaped groove is fixedly connected with a pin shaft, and the pin shaft is rotatably installed in the shaft hole.

[0008] Further, one end of the photovoltaic grid-connected inverter is provided with a detachable first end cover, one side of the first end cover is provided with a positive pole terminal and a negative pole terminal, the photovoltaic grid-connected inverter is provided with a detachable second end cover away from the first end cover, and one side of the second end cover is provided with a socket.

[0009] Further, the two ends of the bottom strip are provided with threaded holes, the threaded holes are aligned with the notches, and the first connecting screw is threaded into the threaded hole on the bottom strip through the notch.

[0010] The utility model discloses beneficial effects:

[0011] 1, make the threaded hole on the bottom strip and the notch align, then make the first connecting screw pass through the notch and screw into the threaded hole on the bottom strip, complete the assembly of the bottom strip and the photovoltaic inverter, make the two connecting plates on the same side of the photovoltaic inverter be in non-parallel state, so that after installing the lengthening plate on the carrier on four connecting plates by screw, the position of the photovoltaic inverter can be limited.

[0012] 2, according to the pitch of the screw hole on the carrier, select the appropriate number of lengthening plates, make the fastener formed by the second connecting screw and the nut connect adjacent two lengthening plates, then make the fastener formed by the second connecting screw and the nut connect a lengthening plate and the connecting plate, then make the connecting plate rotate around the pin shaft, make the fixing hole on the outermost lengthening plate align with the screw hole on the carrier, realize that the photovoltaic grid-connected inverter can be installed on the carrier with different pitch screw holes, and the installation range is expanded. BRIEF DESCRIPTION OF DRAWINGS

[0013] Other features, objects and advantages of the utility model will become more apparent through reading the following detailed description of non-restrictive embodiments with reference to the accompanying drawings:

[0014] Figure 1 It is the structural schematic diagram of a kind of grid-connected inverter mounting device of the utility model;

[0015] Figure 2 It is the structural schematic diagram of a kind of grid-connected inverter mounting device of the utility model; Figure 1 It is the enlarged view of A in the utility model;

[0016] Figure 3 It is another perspective view of a kind of grid-connected inverter mounting device of the utility model;

[0017] Figure 4 It is an assembly diagram of the ear plate and the photovoltaic grid-connected inverter in the grid-connected inverter mounting device of the utility model;

[0018] Figure 5 It is a perspective view of the bottom strip in the grid-connected inverter mounting device of the utility model;

[0019] Figure 6 It is a perspective view of the connecting plate in the grid-connected inverter mounting device of the utility model;

[0020] In the drawing: 1-photovoltaic grid-connected inverter, 2-first end cover, 3-negative terminal post, 4-positive terminal post, 5-ear plate, 6-lengthened plate, 7-fixing hole, 8-bottom strip, 9-connecting plate, 10-first connecting screw, 11-second connecting screw, 12-first connecting lug, 13-second connecting lug, 14-nut, 15-socket, 16-second end cover, 17-notch, 18-U-shaped groove, 19-thread hole. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, purposes and effects achieved by the utility model easy to understand, the utility model is further described below in combination with specific implementation manners.

[0022] Please refer to Figures 1-5 The utility model provides a technical scheme: a grid-connected inverter mounting device, including photovoltaic grid-connected inverter 1, photovoltaic grid-connected inverter 1 one end is installed with the first end cover 2 of detachable, the first end cover 2 one side is installed with positive terminal post 4 and negative terminal post 3, photovoltaic grid-connected inverter 1 is installed with the second end cover 16 of detachable away from the first end cover 2, the second end cover 16 one side is installed with socket 15, photovoltaic grid-connected inverter 1 bottom is installed with two symmetrical arrangement ear plate 5, and ear plate 5 one end extends to photovoltaic grid-connected inverter 1 outside, and the upper surface of ear plate 5 is away from the one side of photovoltaic grid-connected inverter 1 and is equipped with two notches 17, and photovoltaic grid-connected inverter 1 bottom is equipped with two symmetrical arrangement bottom strip 8, and the first connecting screw 10 of screw connection with bottom strip 8 is inserted in the notch 17, wherein the both ends of bottom strip 8 are equipped with thread hole 19, and the thread hole 19 is aligned with the notch 17, and the first connecting screw 10 is passed through the notch 17 and is screw connected in the thread hole 19, makes the thread hole 19 on bottom strip 8 align with the notch 17, then makes the first connecting screw 10 pass through the notch 17 and is screwed into the thread hole 19 on bottom strip 8, completes the assembly of bottom strip 8 and photovoltaic inverter.

[0023] Participate Figures 1-6The two ends of the bottom strip 8 are provided with U-shaped grooves 18, and the connecting plates 9 are rotatably installed in the U-shaped grooves 18 through pin shafts. The two ends of the bottom strip 8 are provided with shaft holes which are communicated with the U-shaped grooves 18. The one end of the connecting plate 9 in the U-shaped groove 18 is connected and fixed with a pin shaft which is rotatably installed in the shaft hole. The one end of the connecting plate 9 away from the U-shaped groove 18 is provided with a plurality of lengthening plates 6 which are connected in head-to-tail mode. The two ends of the lengthening plate 6 are connected and fixed with first connecting ears 12 which are integrally formed with the lengthening plate 6. The one end of the connecting plate 9 close to the U-shaped groove 18 is installed with two second connecting ears 13 which are integrally formed with the connecting plate 9. The first connecting ear 12 on one lengthening plate 6 is connected with the corresponding second connecting ear 13 on the connecting plate 9 through a fastener formed by a second connecting screw 11 and a nut 14. The first connecting ear 12 on one lengthening plate 6 is connected with the second connecting ear 13 on another lengthening plate 6 through a fastener formed by a second connecting screw 11 and a nut 14. The upper surface of the lengthening plate 6 is provided with fixing holes 7. According to the distance between the screw holes on the carrier, a proper number of lengthening plates 6 are selected, the adjacent two lengthening plates 6 are connected through the fastener formed by the second connecting screw 11 and the nut 14, then one lengthening plate 6 is connected with the connecting plate 9 through the fastener formed by the second connecting screw 11 and the nut 14, then the connecting plate 9 is rotated around the pin shaft, the fixing hole 7 on the outermost lengthening plate 6 is aligned with the screw hole on the carrier, so that the photovoltaic grid-connected inverter 1 can be installed on the carrier with different distance screw holes, and the installation range is expanded.

[0024] Although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A grid-connected inverter installation device, comprising a photovoltaic grid-connected inverter (1), characterized in that: The photovoltaic grid-connected inverter (1) has two symmetrically arranged ear plates (5) installed at its bottom. One end of the ear plate (5) extends to the outside of the photovoltaic grid-connected inverter (1). Two notches (17) are opened on the upper surface of the ear plate (5) away from the photovoltaic grid-connected inverter (1). The photovoltaic grid-connected inverter (1) has two symmetrically arranged bottom strips (8) at its bottom. A first connecting screw (10) threadedly connected to the bottom strip (8) is inserted into the notch (17). U-shaped grooves (18) are opened at both ends of the bottom strip (8). 8) A connecting plate (9) is rotatably mounted inside via a pin shaft. The end of the connecting plate (9) away from the U-shaped groove (18) is provided with multiple extension plates (6) connected end to end. One extension plate (6) close to the connecting plate (9) is connected to the connecting plate (9) by fasteners formed by two sets of second connecting screws (11) and nuts (14). One extension plate (6) is connected to another extension plate (6) by fasteners formed by two sets of second connecting screws (11) and nuts (14). The upper surface of the extension plate (6) is provided with fixing holes (7).

2. The grid-connected inverter installation device according to claim 1, characterized in that: Both ends of the extension plate (6) are fixed with first connecting ears (12). Two second connecting ears (13) are installed on one end of the connecting plate (9) near the U-shaped groove (18). The first connecting ear (12) on one of the extension plates (6) is connected to the corresponding second connecting ear (13) on the connecting plate (9) by a fastener formed by a second connecting screw (11) and a nut (14). The first connecting ear (12) on one of the extension plates (6) is connected to the second connecting ear (13) on the other extension plate (6) by a fastener formed by a second connecting screw (11) and a nut (14).

3. The grid-connected inverter installation device according to claim 2, characterized in that: The first connecting ear (12) and the extension plate (6) are integrally formed, and the second connecting ear (13) and the connecting plate (9) are integrally formed.

4. The grid-connected inverter installation device according to claim 1, characterized in that: Both ends of the bottom strip (8) are provided with shaft holes, which are connected to the U-shaped groove (18). The end of the connecting plate (9) located in the U-shaped groove (18) is connected and fixed with a pin, which is rotatably installed in the shaft hole.

5. The grid-connected inverter installation device according to claim 1, characterized in that: The photovoltaic grid-connected inverter (1) has a detachable first end cover (2) installed at one end. The first end cover (2) has a positive terminal (4) and a negative terminal (3) installed on one side. The photovoltaic grid-connected inverter (1) has a detachable second end cover (16) installed on the side away from the first end cover (2). The second end cover (16) has a socket (15) installed on one side.

6. The grid-connected inverter installation device according to claim 1, characterized in that: Both ends of the bottom strip (8) are provided with threaded holes (19), the threaded holes (19) are aligned with the notch (17), and the first connecting screw (10) passes through the notch (17) and is threaded into the threaded hole (19).

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