CN215871215U

CN215871215U - Inverter and photovoltaic equipment

Info

Publication number: CN215871215U
Application number: CN202122046110.XU
Authority: CN
Inventors: 鹿雨; 李文浩; 李永红
Original assignee: Sungrow Power Supply Co Ltd
Current assignee: Sungrow Power Supply Co Ltd
Priority date: 2021-08-27
Filing date: 2021-08-27
Publication date: 2022-02-18
Anticipated expiration: 2031-08-27

Abstract

The utility model discloses an inverter and photovoltaic equipment, wherein the inverter comprises an inverter body, a junction box and a handle structure, wherein the handle structure is arranged on the junction box. The junction box is mounted on the inverter body. This application is through setting up handle structure on the terminal box, when installing the terminal box on the quick-witted case of dc-to-ac converter body, directly moves the handle structure on the terminal box and can realize the bulk movement, and the operation of being convenient for has improved the turnover efficiency of dc-to-ac converter.

Description

Inverter and photovoltaic equipment

Technical Field

The utility model relates to the technical field of electric connection appliances, in particular to an inverter. The utility model also relates to a photovoltaic device comprising the inverter.

Background

With the development of electric devices, particularly photovoltaic technologies, the power grade of photovoltaic equipment is higher and higher, the whole corresponding inverter is heavier and heavier, and a junction box is connected to the side face of an inverter body for wiring and maintenance convenience.

When the carrying structure is reserved on the inverter body, the carrying structure can be shielded by the junction box arranged on the side face, the position of the carrying characteristic cannot be quickly identified, when a hand stretches into the characteristic structure reserved on the main box body of the inverter body, the arm can be interfered by the side wall and the cover plate of the junction box during carrying, the carrying force cannot be normally carried, the carrying force is influenced, and the turnover efficiency is reduced.

Therefore, how to improve the turnover efficiency of the inverter is a technical problem to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an inverter, and the turnover efficiency of the inverter is improved. Another object of the present invention is to provide a photovoltaic installation comprising an inverter as described above.

In order to achieve the above object, the present invention provides an inverter including an inverter body, a junction box mounted on the inverter body, and a handle structure provided on the junction box.

Preferably, the handle structure is an inner groove body or an outer convex operation piece arranged on the junction box.

Preferably, the handle structure is provided at a side portion on the junction box.

Preferably, the handle structure is provided with an accessory mounting hole.

Preferably, the device further comprises a lifting ring or a first transfer lifting hand which can be detachably mounted at the position of the accessory mounting hole.

Preferably, the junction box is of unitary construction with the handle structure.

Preferably, the junction box is a sealed box body when closed, the threading position of the junction box is a sealed threading plate or a waterproof terminal is arranged, a wall penetrating terminal block is arranged on the wall surface of the junction box, which is used for wiring with the case, and the wall penetrating terminal block is provided with a sealing structure.

Preferably, the junction box comprises a box body and a box cover which can be connected to the opening of the box body in a sealing mode, and the box cover is hinged to the box body or buckled on the box body or connected with the box body through a threaded fastener.

Preferably, the junction box includes the box body and sets up in the threading position, and the lateral wall with the sealed threading board of box body sealing laminating, sealed threading board with the box body is through built-in fastener or external fastener connection.

A photovoltaic device comprises a case and an inverter installed on the case, wherein the inverter is the inverter in any one of the above aspects.

Preferably, the chassis is provided with a wall-mounted upper handle and a wall-mounted lower handle, and the junction box is connected with the wall-mounted upper handle and the wall-mounted lower handle.

Preferably, a sealing member is arranged at the connection position of the junction box and the case.

In the above technical solution, the inverter provided by the present invention includes an inverter body, a junction box, and a handle structure, wherein the handle structure is disposed on the junction box. The junction box is mounted on the inverter body. This application is through setting up handle structure on the terminal box, when installing the terminal box on the quick-witted case of dc-to-ac converter body, directly moves the handle structure on the terminal box and can realize the bulk movement, and the operation of being convenient for has improved the turnover efficiency of dc-to-ac converter.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a three-dimensional structural view of a photovoltaic device provided in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a photovoltaic device according to an embodiment of the present invention;

fig. 3 is an exploded view of a photovoltaic apparatus provided by an embodiment of the present invention;

fig. 4 is a schematic structural diagram of an inverter according to an embodiment of the present invention;

fig. 5 is a view illustrating an installation position of an inverter according to an embodiment of the present invention;

fig. 6 is a diagram illustrating a connection position between an inverter and a chassis according to an embodiment of the present invention;

fig. 7 is a diagram illustrating installation positions of a first transfer lifting handle and a second transfer lifting handle on a photovoltaic device according to an embodiment of the present invention;

FIG. 8 is a side view of the photovoltaic apparatus shown in FIG. 7;

fig. 9 is a structural diagram of an inverter provided in an embodiment of the present invention in a fastened state;

fig. 10 is a structural diagram of an inverter provided in an embodiment of the present invention in an open state.

Wherein in FIGS. 1-10: the novel wall-mounted solar battery box comprises a box body 1, a box body 2, a junction box 3, a handle structure 4, a sealing piece 5, a box body reinforcing connecting piece 6, a box body connecting piece 7, a sealing threading plate 8, a wall-penetrating terminal block 9, a supporting rod 10, a hinge 10, a sealing strip 11, a hanging ring 12, an accessory mounting hole 13, a wall-mounted upper handle 14, a wall-mounted lower handle 15, a reinforced connecting piece 16, a first switching lifting handle 17, a second switching lifting handle 18, a box cover 19, a threaded fastener 20 and a box body 21.

Detailed Description

The core of the utility model is to provide an inverter, the turnover efficiency of which is improved. Another core of the present invention is to provide a photovoltaic device comprising the inverter described above.

In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and embodiments.

Please refer to fig. 1 to 10.

In a specific embodiment, the inverter provided by the specific embodiment of the present invention includes an inverter body, a junction box 2 and a handle structure 3, wherein the handle structure 3 is disposed on the junction box 2, the junction box 2 is mounted on the inverter body, and specifically, the junction box 2 may be directly mounted on the chassis 1 of the inverter body. The handle structure 3 is an inner groove body or an outer convex operation piece arranged on the junction box 2. When the handle is a convex operating part, the handle structure 3 can be mounted on the junction box 2 by fasteners, specifically, by welding or screwing, or the handle structure 3 and the junction box 2 are integrally formed by die casting. The number and the position of the handle structures 3 are determined according to actual needs.

This application is through setting up handle structure 3 on terminal box 2, when installing terminal box 2 on quick-witted case 1, directly be used for carrying promptly and lift on the equipment, openly can see, handle structure 3 is not sheltered from, and convenient discernment directly moves handle structure 3 on the terminal box 2 and can realize moving as a whole, and the operation of being convenient for has improved the turnover efficiency of dc-to-ac converter.

Specifically, the handle structure 3 may be located on the front surface of the junction box 2, i.e. the surface of the junction box 2 that is opposite to the connecting case 1. Considering that the front face of the junction box 2 is generally a door body structure, it is preferable that the handle structure 3 is provided at a side portion on the junction box 2.

In order to operate the inverter as required, the handle structure 3 is preferably provided with an accessory mounting hole 13, and specifically, the accessory mounting hole 13 may be a light hole or a threaded hole. The number of the accessory mounting holes 13 is determined according to actual needs, and when the number of the accessory mounting holes 13 is plural, both unthreaded holes and threaded holes may be present.

In one embodiment, the inverter further includes a bail 12 or a first transfer handle 17 that can be removably mounted at the location of the accessory mounting hole 13. The moment arm is increased by installing the first transfer lifting handle 17. When the lifting ring 12 is installed, equipment can be used for lifting, and labor is saved.

The junction box 2 can be an open structure, and can also be a sealed box body when the junction box 2 is closed. During specific installation, the junction box 2 and the case 1 can be protected by the sealing element 4, and the case 1 and the junction box 2 are respectively sealed and protected independently.

Preferably, the threading position of the junction box 2 is a sealed threading plate 7, and the junction box 2 is provided with a wall-penetrating terminal, specifically, the wall-penetrating terminal is arranged on a wall-penetrating terminal block 8 of the junction box 2. Sealing protection is carried out through the sealing element 4, and the wiring uses the double-layer protection of the sealed threading board 7, can reach higher protection level, and is specific, the sealing element 4 can be a sealing ring or a sealing strip or a sealing glue. Or the threading position of the junction box 2 is provided with a waterproof terminal for threading.

In order to facilitate installation of the junction box 2, the side wall of the case 1 is grooved, and one side of a wall-through terminal block 8 in the junction box 2 extends into the case 1 through the groove to provide a junction block for wiring for the case 1. The junction box 2 and the case 1 are connected by screws.

In one embodiment, the junction box 2 includes a box body 21 and a box cover 19 capable of being hermetically connected to an opening of the box body 21, the box cover 19 is hinged to the box body 21 or the box cover 19 is fastened to the box body 21, of course, the box cover 19 and the box body 21 may be connected by a threaded fastener 20, and specifically, a joint between the box cover 19 and the box body 21 may be sealed by a sealing strip 11, a sealing ring or a sealant. The box cover 19 is only needed to be opened when the wire is connected. When the box cover 19 and the box body 21 are connected, the box cover 19 and the box body 21 can be connected through the hinge 10, and when the box cover 19 is opened, the box cover 19 and the box body 21 of the junction box 2 are supported through the support rod 9, so that the box cover 19 is prevented from being automatically closed.

In a specific embodiment, the junction box includes box body 21 and sets up in the threading position, and lateral wall and the sealed threading board 7 of the sealed laminating of box body 21, and it is slope binding face with box body 21 laminating position on the sealed threading board 7, and sealed threading board 7 passes through the fastener with box body 21 and is connected, and is specific, and the fastener can be built-in fastener or external fastener. When using built-in fastener, when the equipment, can install built-in fastener on sealed threading board 7 earlier, then will seal the threading board and have box body 21 inside to pack into, until laminating with box body 21, fasten built-in fastener and box body 21, realize sealed threading board 7 fastening, it is concrete, can set up seal structure on the slope binding face, improve the leakproofness.

Specifically, the box body 21 is installed at the groove position of the case 1, the wall-through terminal block 8 is installed for sealing protection, the wall-through terminal block 8 is provided with a sealing structure, specifically, a sealing element can be pasted or connected with the wall-through terminal block 8, and wiring characteristics are reserved on the two sides of the wall-through terminal block 8 and the two sides of the case 1 for wiring.

For the convenience of carrying, the case 1 is provided with a second transfer handle 18, and preferably, the second transfer handle 18 is detachably connected with the case 1.

In one embodiment, when the inverter is mounted on the chassis 1, the junction box 2 and the wall-mounted handle of the box body can be connected by a fastener. Specifically, the case 1 is provided with the wall-mounted upper handle 14 and the wall-mounted lower handle 15, and the junction box 2 is connected with the wall-mounted upper handle 14 and the wall-mounted lower handle 15, so that the junction box 2 can bear large force, the structural strength of the whole machine is further enhanced, and the reliability of the whole machine is improved. During specific installation, the junction box 2 can be connected with the wall-mounted upper handle 14 and the wall-mounted lower handle 15 through the reinforced connecting piece 16, the specific reinforced connecting piece 16 can be a screw or a bolt, and the specific specification is determined according to actual needs.

In order to improve the installation stability of the inverter and the transportation safety of the photovoltaic device, it is preferable that the junction box 2 is connected to the case 1 through a box connector 6, and the junction box 2 is connected to the case 1 through a box reinforcement connector 5, so that the connection point between the case 1 and the junction box 2 is improved. Specifically, the box connecting piece 6 and the box reinforcing and reinforcing piece can be screws, bolts and the like, and the specific specification is determined according to actual needs.

The photovoltaic equipment comprises an inverter, wherein the inverter is any one of the inverters. The specific structure of the inverter is described above, and the present application includes the inverter, which also has the technical effects described above.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The inverter is characterized by comprising an inverter body, a junction box (2) and a handle structure (3) arranged on the junction box (2), wherein the junction box (2) is arranged on the inverter body.

2. Inverter according to claim 1, characterized in that the handle structure (3) is an inner groove or a male operating member provided on the junction box (2).

3. Inverter according to claim 1, characterized in that the handle structure (3) is arranged at the side on the junction box (2).

4. An inverter according to claim 1, characterized in that the handle structure (3) is provided with an accessory mounting hole (13).

5. The inverter according to claim 4, further comprising a bail (12) or a first transfer handle (17) detachably mountable at a position of the accessory mounting hole (13).

6. Inverter according to claim 1, characterized in that the junction box (2) is of one-piece construction with the handle structure (3).

7. The inverter according to claim 1, wherein the junction box (2) is a sealed box when closed, the wiring position of the junction box (2) is a sealed wiring board (7) or a waterproof terminal is arranged, a wall-through terminal block (8) is arranged on the wall surface of the junction box (2) for wiring with the case (1), and the wall-through terminal block (8) is provided with a sealing structure.

8. The inverter according to claim 1, wherein the junction box (2) comprises a box body (21) and a box cover (19) capable of being hermetically connected to an opening of the box body (21), the box cover (19) is hinged to the box body (21) or the box cover (19) is buckled on the box body (21) or the box cover (19) is connected to the box body (21) through a threaded fastener (20).

9. The inverter according to claim 1, wherein the junction box comprises a box body (21) and a sealing threading plate (7) which is arranged at a threading position and has a side wall in sealing fit with the box body (21), and the sealing threading plate (7) is connected with the box body (21) through an internal fastener or an external fastener.

10. The inverter according to any one of claims 1 to 9, wherein the junction box (2) is mounted on a cabinet (1) of the inverter body, an upper wall-mounted handle (14) and a lower wall-mounted handle (15) are provided on the cabinet (1), and the junction box (2) is connected to the upper wall-mounted handle (14) and the lower wall-mounted handle (15).

11. Inverter according to claim 10, characterized in that a seal (4) is provided at the junction of the junction box (2) and the cabinet (1).

12. A photovoltaic device comprising an inverter according to any one of claims 1 to 11.