CN201752017U - Photovoltaic cell module and photovoltaic cell junction box assembly therein - Google Patents

Abstract

The utility model relates to a light energy battery module and light energy battery terminal box subassembly wherein. The junction box assembly comprises a junction box and a base which are mutually assembled, the junction box comprises an insulating shell, a conductive terminal and a waterproof device, a first opening is formed in the bottom of the junction box, the waterproof device is arranged at the first opening, the waterproof device is provided with a second opening, and the area of the second opening is smaller than that of the first opening. The base comprises a third opening and wing parts, the third opening is assembled to the first opening of the junction box and the second opening of the waterproof device, the area of the third opening is smaller than that of the first opening, the wing parts are arranged on two sides of the base in pairs, a first preset distance is formed between each pair of wing parts, the first preset distance is smaller than the width of the junction box, and the average width of the base is smaller than or equal to 50 mm.

Description

Photovoltaic cell module and photovoltaic cell junction box assembly therein

technical field

The utility model relates to a photovoltaic cell module, in particular to a photovoltaic cell module applied to a solar cell and a junction box assembly of the photovoltaic cell therein.

Background technique

Due to the international energy shortage, the application of photovoltaic cells has been paid more and more attention. In particular, the integration of photovoltaic cells with building materials or glass is in line with the current trend of energy conservation. Energy batteries are used for building exterior walls or building glass, skylights and the top of sunbathing. However, because the current and voltage of a single photovoltaic cell are very small, it is usually necessary to connect multiple photovoltaic cells in parallel and in series through a junction box to form a larger current and voltage. The assembly of a plurality of photovoltaic cells and related components of the junction box is generally called a photovoltaic cell module, which is used to provide electricity for general use.

Since most of these photovoltaic cells and junction boxes are installed outdoors or on the roof, the junction box is damaged or malfunctioned due to long-term high heat exposure and the temperature difference between day and night, or the photovoltaic cells are assembled in the wiring after a period of use. The junction between the boxes is loose and cannot be electrically connected to the box, and even moisture or water vapor can enter and cause damage. In particular, the window frames or glass curtains of buildings use smaller junction boxes. Due to the small size of the junction box, the contact area between the junction box and the part to be installed (for example: installed on the window frame or glass curtain) is limited. Therefore, the stabilizing effect of the assembly of the junction box and the installation part is limited, and after a period of use, the problem that the assembly part of the junction box and the installation part will be loose will easily occur.

Utility model content

In order to solve the unsatisfactory problems of the above-mentioned prior art, the utility model provides a photovoltaic cell junction box assembly, which includes a junction box and a base assembled with each other. The junction box includes an insulating shell and a pair of conductive terminals arranged on the insulating shell. Both the junction box and the base have a longitudinal axis, and the bottom of the junction box is provided with at least two first openings along the longitudinal axis. The junction box further includes at least Two waterproof devices are arranged on each first opening, and each waterproof device is formed with a second opening, and the area of the second opening is smaller than that of the first opening.

The base is elongated, and at least two third openings are formed along the longitudinal axis, each third opening is assembled to each first opening of the junction box and the second opening of the waterproof device, and the area of each third opening is smaller than the area of the first opening , both sides of the longitudinal axis of the base have a plurality of wings arranged in pairs, a first preset distance is formed between each pair of wings, the first preset distance is less than the width of the junction box, and the average width of the base is less than or equal to 50 mm.

Therefore, the primary purpose of the present utility model is to provide a photovoltaic cell junction box assembly, including a junction box and a base assembled with each other, the average width of the base is less than or equal to 50 millimeters (mm), especially suitable for small-sized junction boxes, Assembled to the bottom of the junction box via the base to form a photovoltaic cell junction box assembly. Therefore, it is possible to increase the contact area between the photovoltaic cell junction box assembly and the desired installation site (for example: to be installed on the window frame or window), so that after the photovoltaic cell junction box assembly is installed, it can be more firmly placed on the installation site and is not easy to install. loose.

The secondary purpose of this utility model is to provide a photovoltaic cell junction box assembly, where multiple pairs of wings are arranged on both sides of the longitudinal axis of the base, and a first preset distance is formed between each pair of wings, and the first The preset distance is smaller than the width of the junction box. Accordingly, when the junction box is assembled on the base, the insulating shell of the junction box will be clamped by each pair of wings of the base to make the junction box more stable when assembled on the base. Avoid loosening due to external impact.

Another object of the present utility model is to provide a photovoltaic cell junction box assembly, in which multiple pairs of wings are arranged on both sides of the longitudinal axis of the base, and a first preset distance is formed between each pair of wings; A pair of hook structures are further formed on the ends of the wings, and a second preset distance is formed between each pair of hook structures, and the second preset distance is smaller than the first preset distance. Accordingly, the hook-shaped structures of each pair of wings are fastened on the top of the junction box, which can further enhance the stabilization effect of the junction box assembled on the base, and avoid loosening caused by external impact.

Another purpose of the present utility model is to provide a photovoltaic cell junction box assembly. Since a recess is formed at the position where the base is assembled in the junction box, and the third opening of the base is formed in the recess, according to this, it can be more The strong base clamps the effect of fixing the junction box. In addition, since the base has a structure of multiple pairs of wings, hook structures, and recesses, it not only makes the junction box more stable when assembled on the base, but also avoids external impacts from different directions that may cause the photovoltaic cell junction box assembly to be assembled on the base. The joint of the installation site (for example: installed on the window frame or glass curtain) is loose.

Another purpose of the present utility model is to provide a photovoltaic cell junction box assembly, the junction box further includes at least two waterproof devices, each waterproof device is formed with a second opening; the base further includes at least two flanges, and Each third opening of the base is formed in the center of each flange, and accordingly, each flange of each base can extend into the second opening of each waterproof device of the junction box. Accordingly, the photovoltaic cell junction box assembly can have a better waterproof effect.

In addition, the utility model proposes a photovoltaic cell module, which includes at least one photovoltaic cell and a photovoltaic cell junction box assembly. The photovoltaic cell junction box assembly used has the same technical features as any one proposed by the utility model.

Therefore, another object of the present utility model is to provide a photovoltaic cell module, including a junction box and a base assembled with each other, the average width of the base is less than or equal to 50 millimeters (mm), especially suitable for junction box assemblies requiring small volume , assembled to the bottom of the junction box via the base to form a photovoltaic cell junction box assembly. Therefore, it is possible to increase the contact area between the solar cell junction box assembly and the site to be installed (for example: to be installed on the window frame or glass curtain), so that after the solar cell junction box assembly is installed, it can be more stable on the installation site and Not easy to loose.

Another object of the present utility model is to provide a photovoltaic cell module, in which multiple pairs of wings are arranged on both sides of the longitudinal axis of the base, and a first preset distance is formed between each pair of wings, and the first preset The distance is smaller than the width of the junction box. Accordingly, when the junction box is assembled on the base, the insulating shell of the junction box will be clamped by each pair of wings of the base to make the junction box more stable when assembled on the base and avoid The impact of external force causes loosening.

Another object of the present utility model is to provide a photovoltaic cell module, in which multiple pairs of wings are arranged on both sides of the longitudinal axis of the base, and a first preset distance is formed between each pair of wings; each pair of wings of the base A pair of hook-shaped structures is further formed at the end of the portion, and a second preset distance is formed between each pair of hook-shaped structures, and the second preset distance is smaller than the first preset distance. Accordingly, the hook-shaped structures of each pair of wings are fastened on the top of the junction box, which can further enhance the stabilization effect of the junction box assembled on the base, and avoid loosening caused by external impact.

Another purpose of the present utility model is to provide a photovoltaic cell module, by forming a recessed part at the position where the base is assembled in the junction box, and the third opening of the base is formed in the recessed part, so that the base can be further strengthened The effect of clamping and fixing the junction box. In addition, since the base has a structure of multiple pairs of wings, hook structures, and recesses, it not only makes the junction box more stable when assembled on the base, but also avoids external impacts from different directions that may cause the photovoltaic cell junction box assembly to be assembled on the base. The joint of the part to be installed (for example: installed on the window frame or glass curtain) is loose.

Another object of the present utility model is to provide a photovoltaic cell module, the junction box further includes at least two waterproof devices, each waterproof device is formed with a second opening; the base further includes at least two flanges, and the base of the base further includes Each third opening is formed in the center of each flange, and accordingly, each flange of each base extends into the second opening of each waterproof device of the junction box. Accordingly, the photovoltaic cell junction box assembly can have a better waterproof effect.

Description of drawings

Fig. 1 is an exploded view, which is a photovoltaic cell junction box assembly according to the first embodiment of the present invention.

Fig. 2 is a front view according to the first embodiment of the present invention, which is a front view of a photovoltaic cell junction box assembly in the direction of the longitudinal axis.

Fig. 3 is a top view, which is a photovoltaic cell module according to the second embodiment of the present invention.

[Description of main component symbols]

Photovoltaic cell junction box assembly 100

Junction box 1

Base 2

Insulation shell 10

Longitudinal axis L

Bottom 14

First opening 11

Waterproof device 3

Second opening 12

Third opening 21

wing 20

First preset distance D1

Junction box width W1

Hook structure 201

Second preset distance D2

Depression 23

Flange 22

Photovoltaic battery module 200

Photovoltaic battery 4

Detailed ways

Since the utility model discloses a photovoltaic cell module and the junction box assembly of the photovoltaic cell therein, the principle of power matching and electric energy conduction of the photovoltaic cell used therein and other principles are well understood by those of ordinary skill in the art, so the following The instructions in the text are no longer described in full. At the same time, the accompanying drawings hereinafter are used to express the structural meaning related to the features of the present utility model, and are not and need not be completely drawn according to the actual size, which is stated in advance.

Please refer to Fig. 1, Fig. 1 is the first embodiment proposed according to the utility model, it is a photovoltaic cell junction box assembly 100, including a junction box 1 and a base 2 assembled with each other, the base 2 is mainly used to make the junction box 1. Assemble firmly with the place to be installed (for example: installed on the window frame or glass curtain). The junction box 1 includes an insulating shell 10 and a pair of conductive terminals (not shown). The conductive terminals are disposed in the insulating shell 10 for insertion of electrode strips of photovoltaic cells to achieve electrical conduction. The junction box 1 has a longitudinal axis L, and here at the bottom 14 of the junction box 1 , along the direction of the longitudinal axis L, at least two first openings 11 are provided. And the junction box 1 further includes at least two waterproof devices 3, each waterproof device 3 is respectively arranged in each first opening 11, and each waterproof device 3 is formed with a second opening 12, accordingly, the area of the second opening 12 is smaller than The area of the first opening 11.

The base 2 also has a longitudinal axis L. The base 2 is elongated and has at least two third openings 21 formed along the longitudinal axis L. Each third opening 21 is used to correspond to each first opening 11 of the junction box 1 and the waterproof device. 3 of the second opening 12, and the area of each third opening 21 is smaller than the area of the first opening 11.

Please refer to FIG. 2. FIG. 2 is a front view of the photovoltaic cell junction box assembly 100 along the longitudinal axis L. There are multiple wings 20 arranged in pairs extending upwards from both sides of the longitudinal axis L of the base 2, and each A first preset distance D1 is formed between the pair of wings 20, and the first preset distance D1 is smaller than the width W1 of the junction box 1. Accordingly, when the junction box 1 is assembled on the base 2, the first preset distance D1 of the wings 20 The preset distance D1 is smaller than the width W1 of the junction box 1, therefore, the insulating shell 10 of the junction box 1 will be clamped by the pairs of wings 20 of the base 2, so that the junction box 1 is more stable when assembled on the base 2, It can also prevent the junction box 1 from being loosened from the base 2 due to the impact of external force. In addition, the ends of each pair of wing portions 20 further form a pair of hook structures 201, wherein a second preset distance D2 is formed between each pair of hook structures 201, and the second preset distance D2 is smaller than the first preset distance D1 . Accordingly, since the junction box 1 is clamped by each pair of wing portions 20 of the base 2, and the hook-shaped structure 201 of each pair of wing portions 20 is fixed above the junction box 1, the assembly of the junction box 1 on the base can be further strengthened. 2 stability. In addition, the number of arrangements of each pair of wing portions 20 is not limited, and four pairs are preferred. And the height of each pair of wing parts 20 is also not limited, it can be adjusted depending on the situation and the needs of the product. In the first embodiment of the present utility model, the wing parts 20 are higher than the junction box 1. The hook-shaped structure 201 is just fixed on the top of the insulating shell 10 of the junction box 1 .

It should be specially noted that in the past, small junction boxes such as window frames or glass curtains were used in the past, because the contact area of the junction box itself assembled on the window frame or glass curtain was limited, so the junction box was often damaged due to insufficient assembly. The connection between the window frame or the glass curtain is loose, so that the failure or damage of the junction box is caused. The photovoltaic cell junction box assembly 100 proposed by the present utility model includes a junction box 1 and a base 2 assembled with each other. Since the area of the base 2 is larger than that of the junction box 1, it can effectively increase the number of components assembled on the desired installation site (such as a window). Frame or the contact area on the glass curtain), so the utility model is especially suitable for small-sized junction boxes. The average width of the base 2 of the photovoltaic cell junction box assembly 100 is less than or equal to 50 millimeters (mm), preferably 30 millimeters (mm).

On the other hand, please continue to refer to FIG. 1 , a recessed portion 23 can be further formed at the position where the base 2 is assembled in the junction box 1 , and the third opening 21 of the base 2 is formed in the recessed portion 23 . Accordingly, when the junction box 1 is assembled on the base 2 , the effect of the base 2 holding and fixing the junction box 1 can be further enhanced through the recessed portion 23 . Since the base 2 of the present invention has the structure of the wing portion 20, the hook structure 201 and the recessed portion 23, it can not only make the junction box 1 more stable when assembled on the base 2, but also avoid the light caused by the impact of external forces from different directions. The battery junction box assembly 100 can be assembled at the joint where it is to be installed (for example: installed on the window frame or glass curtain) and loosened.

In addition, please continue to refer to FIG. 1, the base 2 further includes at least two flanges 22, and each third opening 21 of the base 2 is formed in the center of each flange 22, accordingly, each flange 22 of each base 2 extends into Inside the second opening 12 of each waterproof device 3 of the junction box 1 . Accordingly, the photovoltaic cell junction box assembly 100 of the present invention can have a better waterproof effect.

Please refer to FIG. 3 , which is a second embodiment of the present invention, which is a photovoltaic cell module 200 including at least one photovoltaic cell 4 and a photovoltaic cell junction box assembly 100 . The photovoltaic cell junction box assembly 100 used therein has any one of the technical features described in the first embodiment of the present invention. Therefore, in the second embodiment proposed by the present utility model, since the base 2 of the photovoltaic cell junction box assembly 100 can effectively increase the assembly of the photovoltaic cell junction box assembly 100 to the desired installation site (for example: installed on the window frame or glass curtain) (above) contact area to avoid loosening of the junction between it and the part to be installed, which may cause failure or damage to the photovoltaic cell junction box assembly 100, so that the service life of the photovoltaic cell module 200 can be further improved.

The above description is only an embodiment of the utility model, and is not a restriction on the application for the patent right of the utility model; at the same time, those of ordinary skill in the art can understand and implement the above description, so others do not depart from the spirit disclosed by the utility model The equivalent changes or modifications accomplished below shall be included in the scope of the following claims.

Claims (10)

1. A photovoltaic cell junction box assembly (100), comprising a junction box (1) and a base (2) assembled with each other, the junction box (1) includes an insulating housing (10) and is arranged on the A pair of conductive terminals of the insulating housing (10), the junction box (1) and the base (2) both have a longitudinal axis (L), characterized in that: the bottom of the junction box (1) ( 14), at least two first openings (11) are provided along said longitudinal axis (L); The junction box (1) further comprises at least two waterproof devices (3), each waterproof device (3) is arranged on each first opening (11), and each waterproof device (3) is formed with a second opening (12), The area of the second opening (12) is smaller than the area of the first opening (11); The base (2) is elongated, and at least two third openings (21) are formed along the longitudinal axis (L), and each third opening (21) is assembled to each first opening of the junction box (1) (11) and the second opening (12) of the waterproof device (3), the area of each third opening (21) is smaller than the area of the first opening (11), the longitudinal axis of the base (2) ( A plurality of wings (20) arranged in pairs extend upwards from both sides of L), and a first preset distance (D1) is formed between each pair of wings (20), and the first preset distance (D1 ) is less than the width (W1) of the junction box (1), and the average width of the base (2) is less than or equal to 50 mm. 2. The photovoltaic cell junction box assembly (100) according to claim 1, characterized in that a pair of hook structures (201) are further formed at the ends of each pair of wings (20). 3. The photovoltaic cell junction box assembly (100) according to claim 2, characterized in that, a second preset distance (D2) is formed between each pair of hook structures (201), the second preset distance The distance (D2) is smaller than the first preset distance (D1). 4. The photovoltaic cell junction box assembly (100) according to claim 1, characterized in that the plurality of wings (20) are preferably 4 pairs. 5. The photovoltaic cell junction box assembly (100) according to claim 1, characterized in that, the base (2) further comprises at least two flanges (22), and each third opening (21) is formed in each flange (22) center. 6. The photovoltaic cell junction box assembly (100) according to Claim 5, characterized in that each flange (22) protrudes into the second opening (12) of each waterproof device (3). 7. The photovoltaic cell junction box assembly (100) according to Claim 1, characterized in that a recess (23) is further formed on the base (2) corresponding to the junction box (1). 8. The photovoltaic cell junction box assembly (100) according to Claim 7, characterized in that, a plurality of third openings (21) are formed in the recessed portion (23). 9. The photovoltaic cell junction box assembly (100) according to claim 1, characterized in that the average width of the base (2) is preferably 30 mm. 10. A photovoltaic cell module (200), comprising at least one photovoltaic cell (4) and a photovoltaic cell junction box assembly (100), the photovoltaic cell junction box assembly (100) having claims 1 to 1 Require any one of 9 features.

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