CN214901606U

CN214901606U - Adjustable installation photovoltaic optimizer

Info

Publication number: CN214901606U
Application number: CN202121190356.8U
Authority: CN
Inventors: 王薇珲; 王洪昌; 蒋文; 黄涌; 王剑
Original assignee: Wei Hui Wang
Current assignee: Wei Hui Wang
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2021-11-26
Anticipated expiration: 2031-05-31

Abstract

The utility model relates to the technical field of optimizer installation, in particular to an adjustable installation photovoltaic optimizer, which comprises a shell with an opening and a PCB board arranged in the shell, wherein a detachable cover plate is fixed on the opening of the shell; the inner wall of the lower end of the shell is provided with a clamping table, the clamping table is provided with cable grooves which are arranged at intervals and penetrate through the shell, and a detachable cable pressing buckle is fixed on the clamping table; the PCB board is provided with a plurality of connecting terminals for connecting cables; and a potting adhesive layer arranged around the PCB is arranged in the shell corresponding to the outer side of the PCB. The PCB of the optimizer is arranged in the shell, the external connecting cable is fixed through cable pressing buckles, the cable is prevented from falling off, and the installation is convenient and quick by utilizing a mechanical fixing mode of the cable pressing buckles, so that the disassembly, the assembly and the replacement are convenient; the cable is in conductive connection with the PCB through the connecting terminal, so that the pulling resistance of the cable after connection is effectively improved; the pouring sealant layer arranged around the PCB can prevent water vapor from entering the interior of the optimizer, and the interior of the optimizer is prevented from being corroded and damaged by the water vapor.

Description

Adjustable installation photovoltaic optimizer

Technical Field

The utility model relates to an optimizer installation technical field, concretely relates to adjustable installation photovoltaic optimizer.

Background

The solar photovoltaic cell is a device for directly converting solar radiation energy into electric energy, and the photovoltaic module is a product formed by connecting a plurality of photovoltaic cells in series and parallel and then packaging, and is a basic unit in a photovoltaic power generation system. The photovoltaic module optimizer is a key device for introducing electric energy generated by a solar photovoltaic cell into a power supply system. The optimizer has the function of ensuring the reliable connection of the circuit, and to achieve the purpose, the connection between the electric conductor inside the optimizer and the photovoltaic module bus bar must be reliable and stable, the contact impedance is lowest, meanwhile, the installation is rapid and reliable, and the follow-up overhaul and maintenance are convenient. Especially for the loss of the assembly, the loss is inevitable when the assemblies are arranged on the roof one by one, meanwhile, higher requirements are put forward for the reliability of the product, and in case of the problem of excessive loss, the optimizer needs to be quickly adjusted to prevent the capacity loss.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model provides an adjustable installation photovoltaic optimizer can improve optimizer circuit connection's reliability and stability, has the dismouting simultaneously and changes convenient characteristics.

The utility model adopts the technical proposal that: an adjustable installation photovoltaic optimizer comprises a shell with an opening and a PCB arranged in the shell, wherein a detachable cover plate is fixed on the opening of the shell; the inner wall of the lower end of the shell is provided with a clamping table, the clamping table is provided with cable grooves which are arranged at intervals and penetrate through the shell, and a detachable cable pressing buckle is fixed on the clamping table; the PCB is provided with a plurality of connecting terminals for connecting cables; and a potting adhesive layer arranged around the PCB is arranged in the shell corresponding to the outer side of the PCB.

In the technical scheme; the PCB of the optimizer is arranged in the shell, and an external connecting cable penetrates into the shell from the lower end of the shell to be in conductive connection with the PCB; after the cable penetrates into the shell through the cable groove of the clamping table, the cable is fixed through the cable pressing buckle, so that the cable is prevented from falling off, and the cable is convenient and quick to install and convenient to disassemble, assemble and replace by utilizing a mechanical fixing mode of the cable pressing buckle; the cable is in conductive connection with the PCB through the connecting terminal, so that the connection stability is further improved; the anti-pulling capacity of the cable after connection is effectively improved; in addition, after the installation is completed, the pouring sealant layer arranged around the PCB can prevent water vapor from entering the interior of the optimizer, and the interior of the optimizer is prevented from being corroded and damaged by the water vapor.

Furthermore, cable clamping ribs are arranged at two ends of the cable groove.

Furthermore, the inner peripheral wall of the shell is provided with a plurality of blocking ribs which are arranged at intervals, and when the cover plate covers the shell, the cover plate is abutted to the blocking ribs.

Furthermore, the shell is provided with a positioning groove on the inner peripheral wall of one side opposite to the clamping table, and the positioning groove is matched with the positioning protrusion arranged on the edge of the cover plate in a clamping manner.

Furthermore, a connecting table is arranged on the outer side face, away from one end of the clamping table, of the shell, and a detachable aluminum clamping plate is arranged on the connecting table.

Furthermore, the connecting table is provided with adjustable mounting holes which are arranged at intervals, and a screw fixing hole is arranged between the two adjustable mounting holes.

Furthermore, the PCB board is provided with a terminal fixing hole for fixing the connecting terminal.

Further, the bottom wall is equipped with the fixed column of a plurality of fixed PCB boards in the casing.

Furthermore, the cable pressing buckle is provided with a buckling part which is clamped into the clamping table.

The utility model has the advantages that: the PCB board of the optimizer is arranged inside the shell, the external connecting cable is fixed by pressing and buckling the cable, so that the cable is prevented from dropping off, and the mechanical fixing mode of pressing and buckling the cable is convenient and quick to install and convenient to disassemble, assemble and replace; the cable is in conductive connection with the PCB through the connecting terminal, so that the pulling resistance of the cable after connection is effectively improved; the pouring sealant layer arranged around the PCB can prevent water vapor from entering the interior of the optimizer, so that the interior of the optimizer is prevented from being corroded and damaged by the water vapor; has higher practical value and popularization value.

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 embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is the embodiment of the present invention provides a schematic view of the adjustable installation photovoltaic optimizer.

Fig. 2 is a shell structure diagram 1 of the adjustable installation photovoltaic optimizer provided by the embodiment of the present invention.

Fig. 3 is a shell structure diagram 2 of the adjustable installation photovoltaic optimizer provided by the embodiment of the present invention.

Fig. 4 is the embodiment of the present invention provides a cable fixing diagram for an adjustable installation photovoltaic optimizer.

Fig. 5 is a cable connection diagram of the adjustable installation photovoltaic optimizer provided by the embodiment of the present invention.

Reference numerals: the cable fixing device comprises a shell 100, a clamping table 110, a cable groove 111, a blocking rib 120, a positioning groove 130, a connecting table 140, an adjustable mounting hole 141, a screw fixing hole 142, a fixing column 150, a PCB 200, a cable pressing buckle 300, a buckling part 310, a connecting terminal 400, a pouring sealant layer 500, a cable clamping rib 600, an aluminum clamping plate 700, a cover plate 800, a cable 900 and a connecting head 1000.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

As shown in fig. 1 to 5, an embodiment of the present invention provides an adjustable installation photovoltaic optimizer, which is fast and convenient to install and has high circuit connection stability; the PCB board packaging structure mainly comprises a shell 100 with an opening and a PCB board 200 arranged in the shell 100, wherein a detachable cover plate 800 is fixed on the opening of the shell 100; a clamping table 110 is arranged on the inner wall of the lower end of the shell 100, cable grooves 111 which are arranged at intervals and penetrate through the shell 100 are formed in the clamping table 110, and a detachable cable pressing buckle 300 is fixed on the clamping table 110; the PCB 200 is provided with a plurality of connection terminals 400 for connecting cables; a potting adhesive layer 500 disposed around the PCB 200 is disposed in the housing 100 corresponding to the outer side of the PCB 200.

As shown in fig. 1 to 5, with the above arrangement, the PCB 200 of the optimizer is disposed inside the casing 100, and is encapsulated by the cover plate 800, and when installed, the external connection cable 900 penetrates into the casing 100 from the lower end of the casing 100 to be electrically connected with the PCB 200; the cable 900 penetrates into the shell 100 through the cable groove 111 of the clamping table 110 and then is fixed through the cable pressing buckle 300, so that the cable 900 is prevented from falling off, and the cable pressing buckle 300 is convenient and quick to install and convenient to disassemble, assemble and replace in a mechanical fixing mode; in order to ensure the stability of the fixation of the cable pressing buckle 300, the cable pressing buckle 300 is provided with a buckling part 310 which is clamped into the clamping table 110; the cable pressing buckle 300 can be prevented from falling off by clamping the buckling part 310 into the clamping table 110; the cable 900 is electrically connected with the PCB board 200 through the connection terminal 400, so that the connection stability is further improved; the anti-pulling capacity of the cable after connection is effectively improved; in addition, after the installation is completed, the potting adhesive layer 500 arranged around the PCB 200 can prevent water vapor from entering the interior of the optimizer, and the interior of the optimizer is prevented from being corroded and damaged by water vapor and the like.

As shown in fig. 1 to 5, after the cable 900 penetrates through the cable groove 111 of the clamping table 110, a gap exists between the cable 900 and the cable groove 111, which is not beneficial to stably mounting the cable 900, and in order to improve the anti-drop capability of cable mounting, the cable clamping ribs 600 are provided at two ends of the cable groove 111 in the present embodiment. After the cable is clamped into the cable groove 111, the surface of the cable 900 is in close contact with the cable clamping rib 600, and after the cable is fixed by the cable pressing buckle 300, the cable 900 is prevented from falling off, the sealing effect after connection can be improved under the action of the cable clamping rib 600, and water vapor and the like are prevented from entering the shell 100 from the cable groove 111.

As mentioned above, after the cable is installed, the cover plate 800 is installed on the opening of the casing 100 to complete the encapsulation of the optimizer, the inner peripheral wall of the casing 100 is provided with a plurality of blocking ribs 120 arranged at intervals in the embodiment, and after the cover plate 800 is covered on the casing 100, the cover plate 800 abuts against the blocking ribs 120. After the cover plate 800 is clamped into the opening, the blocking ribs 120 are abutted against the cover plate 800, so that the mounting stability of the cover plate 800 is improved; in addition, a positioning groove 130 is formed in the inner peripheral wall of the opposite side of the clamping platform 110, and the positioning groove 130 is matched with a positioning protrusion formed on the edge of the cover plate 800 in a clamping manner. The positioning groove 130 can be matched with the positioning protrusion of the cover plate 800 to achieve the positioning and installation effects, and the installation stability can be improved while the installation is convenient.

As shown in fig. 1 to 5, in order to facilitate the installation of the optimizer at the corresponding installation position, in this embodiment, a connection platform 140 is disposed on an outer side surface of the casing 100 at an end away from the clamping platform 110, and a detachable aluminum clamping plate 700 is disposed on the connection platform 140. The whole optimizer can be arranged at a corresponding position through the aluminum clamping plate 700, and the connecting table 140 and the aluminum clamping plate 700 are detachably connected and are convenient to disassemble and assemble; in addition, the connecting table 140 is provided with adjustable mounting holes 141 arranged at intervals, and a screw fixing hole 142 is provided between the two adjustable mounting holes 141. Adjustable mounting hole 141 can realize that the installation distance is adjustable effect, is applicable to the subassembly of different installation distances, and accessible screw fixation hole 142 carries out fixed mounting to aluminium card 700 at last, improves structural mounting stability.

As described above, the PCB 200 is electrically connected to the cable through the connection terminal 400, and in order to improve the stability of the installation of the connection terminal 400, the PCB 200 is provided with a terminal fixing hole for fixing the connection terminal 400; thus, the connection terminal 400 may be fixed at the terminal fixing hole position by a screw or the like.

As shown in fig. 1 to 3, after the PCB 200 is mounted in the housing 100, the PCB 200 should be stable and prevented from shifting, and in this embodiment, a plurality of fixing posts 150 for fixing the PCB 200 are disposed on the bottom wall of the housing 100. Each fixing post 150 can play a role of fixing the PCB 200, thereby preventing the PCB 200 from being positionally displaced.

After the installation of the internal structure of the casing 100 is completed, the connector 1000 with a male connector and a female connector is installed at the end of the cable, the male connector and the female connector of the connector 1000 can be butted with the male connector and the female connector of the photovoltaic module, and then the male connector and the female connector of the connector 1000 are connected to a junction box or the female connector of the next photovoltaic module.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. An adjustable installation photovoltaic optimizer comprises a shell (100) with an opening and a PCB (200) arranged in the shell (100), wherein a detachable cover plate (800) is fixed at the opening of the shell (100); it is characterized in that;

a clamping table (110) is arranged on the inner wall of the lower end of the shell (100), cable grooves (111) which are arranged at intervals and penetrate through the shell (100) are formed in the clamping table (110), and a detachable cable pressing buckle (300) is fixed on the clamping table (110);

the PCB (200) is provided with a plurality of connecting terminals (400) for connecting cables;

and a potting adhesive layer (500) arranged around the PCB (200) is arranged in the shell (100) corresponding to the outer side of the PCB (200).

2. The adjustable mount photovoltaic optimizer of claim 1, wherein; and cable clamping ribs (600) are arranged at two ends of the cable groove (111).

3. The adjustable mount photovoltaic optimizer of claim 1, wherein; the inner peripheral wall of the shell (100) is provided with a plurality of blocking ribs (120) which are arranged at intervals, and when the cover plate (800) covers the shell (100), the cover plate (800) is abutted to the blocking ribs (120).

4. The adjustable mount photovoltaic optimizer of claim 1, wherein; the inner peripheral wall of the opposite side of the clamping table (110) and the shell (100) is provided with a positioning groove (130), and the positioning groove (130) is matched with a positioning bulge arranged at the edge of the cover plate (800) in a clamping manner.

5. The adjustable mount photovoltaic optimizer of claim 1, wherein; the outer side face, far away from the clamping table (110), of the shell (100) is provided with a connecting table (140), and the connecting table (140) is provided with a detachable aluminum clamping plate (700).

6. The adjustable mount photovoltaic optimizer of claim 5, wherein; the connecting table (140) is provided with adjustable mounting holes (141) which are arranged at intervals, and a screw fixing hole (142) is arranged between the two adjustable mounting holes (141).

7. The adjustable mount photovoltaic optimizer of claim 1, wherein; and the PCB (200) is provided with a terminal fixing hole for fixing the connecting terminal (400).

8. The adjustable mount photovoltaic optimizer of claim 1, wherein; the inner bottom wall of the shell (100) is provided with a plurality of fixing columns (150) for fixing the PCB (200).

9. The adjustable mount photovoltaic optimizer of claim 1, wherein; the cable pressing buckle (300) is provided with a buckle part (310) which is clamped into the clamping table (110).