CN217306493U

CN217306493U - Conducting strip of photovoltaic terminal box and photovoltaic terminal box

Info

Publication number: CN217306493U
Application number: CN202220352910.6U
Authority: CN
Inventors: 蒋忠伟; 王乐; 冯志强; 朱沛瑶
Original assignee: Trina Solar Co Ltd
Current assignee: Trina Solar Co Ltd
Priority date: 2022-02-22
Filing date: 2022-02-22
Publication date: 2022-08-26
Anticipated expiration: 2032-02-22

Abstract

The utility model discloses a conducting strip and photovoltaic terminal box of photovoltaic terminal box, the conducting strip of photovoltaic terminal box include the body, are equipped with the holding tank on the body and store up the molten tin bath, and the holding tank is used for holding the encapsulation diode, stores up the molten tin bath and is used for holding soldering tin piece, is equipped with the location structure who is used for fixed soldering tin piece on the inner wall of storing up the molten tin bath. Because be equipped with on the body and store up the molten tin bath, can place the soldering tin piece in storing up the molten tin bath when the welding, promote the area of contact of soldering tin piece and body, reduced the soldering in-process and flowed tin probability. Meanwhile, the soldering tin blocks are arranged in the soldering tin storage tank, so that the connection stability of the soldering tin blocks and the body can be improved, the phenomenon that the soldering tin blocks shake in the welding process is avoided, and the welding molding yield of the photovoltaic junction box is effectively improved.

Description

Conducting strip of photovoltaic terminal box and photovoltaic terminal box

Technical Field

The utility model relates to a photovoltaic technology field especially relates to a conducting strip and photovoltaic terminal box of photovoltaic terminal box.

Background

The photovoltaic junction box is an important device for connecting electric power generated by a solar cell with an external circuit, and mainly comprises a diode module, a conducting strip, a box body, a box cover and the like. Common diode conducting strip pad both ends are welded through increasing soldering tin/tin plate/tin silk, make the stream tin easily in welding process, influence the welding and mould the type, and in process of production, the position of tin plate also takes place crooked easily moreover, influences subsequent welding effect.

SUMMERY OF THE UTILITY MODEL

A first object of the utility model is to provide a conducting strip of photovoltaic terminal box, this conducting strip of photovoltaic terminal box is great with the area of contact of soldering tin piece, can reduce the probability that flows tin and take place, effectively improves the welding and moulds the type yield. And can make things convenient for the solder block location, avoid the crooked problem in soldering block position in the installation.

A second object of the present invention is to provide a photovoltaic junction box, which has a high reliability.

For realizing the above technical effect, the technical scheme of the utility model as follows:

the utility model discloses a conducting strip of photovoltaic terminal box, which comprises a body, be equipped with the holding tank on the body and store up the molten tin bath, the holding tank is used for holding the encapsulation diode, it is used for holding soldering tin piece to store up the molten tin bath, it is used for fixing to be equipped with on the inner wall of molten tin bath to store up the location structure of soldering tin piece.

In some embodiments, the positioning structure comprises a protrusion arranged on the bottom wall of the tin storage tank.

In some specific embodiments, the protrusion is a plurality of protrusions, and the plurality of protrusions are arranged in rows and columns or in a circumferential array.

In some specific embodiments, the protrusion is a rib extending along the contour line of the tin storage tank.

In some embodiments, the positioning structure comprises a groove arranged on the bottom wall of the tin storage tank.

In some specific embodiments, the number of the grooves is multiple, and the plurality of the grooves are arranged in rows and columns or in a circumferential array.

In some specific embodiments, the groove is an annular groove extending along the contour line of the tin storage tank.

In some embodiments, the body is provided with a through slot for passing through a bus bar.

In some embodiments, the inner wall of the accommodating groove is provided with a clamping protrusion for clamping the packaged diode.

The utility model also discloses a photovoltaic terminal box, including the foreland the conducting strip of photovoltaic terminal box.

The utility model discloses a beneficial effect of conducting strip of photovoltaic terminal box: because be equipped with on the body and store up the molten tin bath, can place the soldering tin piece in storing up the molten tin bath when the welding, promoted the area of contact of soldering tin piece and body, reduced the tin probability of flowing among the welding process. Meanwhile, the soldering tin blocks are arranged in the soldering tin storage tank, so that the connection stability of the soldering tin blocks and the body can be improved, the phenomenon that the soldering tin blocks shake in the welding process is avoided, and the welding molding yield of the photovoltaic junction box is effectively improved.

The utility model discloses a photovoltaic terminal box's beneficial effect: due to the conductive sheet of the photovoltaic junction box, the reliability of the photovoltaic junction box is high.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

Fig. 1 is a conductive sheet of a photovoltaic junction box according to a first embodiment of the present invention;

fig. 2 is a conductive sheet of a photovoltaic junction box according to a second embodiment of the present invention;

fig. 3 is a conductive sheet of a photovoltaic junction box according to a third embodiment of the present invention;

fig. 4 is a conductive sheet of a photovoltaic junction box according to a fourth embodiment of the present invention.

Reference numerals:

1. a body; 11. accommodating grooves; 12. a tin storage tank; 13. a protrusion; 14. a groove; 15. penetrating a groove; 16. clamping and protruding;

2. and packaging the diode.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, features defined as "first" and "second" may explicitly or implicitly include one or more of the features for distinguishing between descriptive features, non-sequential, non-trivial and non-trivial. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Specific structures of the conductive sheets of the photovoltaic junction box of the embodiment of the present invention are described below with reference to fig. 1 to 4.

The utility model discloses a conducting strip of photovoltaic terminal box, as shown in fig. 1, the conducting strip of photovoltaic terminal box includes body 1, is equipped with holding tank 11 on the body 1 and stores up molten tin bath 12, and holding tank 11 is used for holding encapsulation diode 2, stores up molten tin bath 12 and is used for holding the soldering tin piece, is equipped with the location structure who is used for fixed soldering tin piece on the inner wall of storing up molten tin bath 12.

It can be understood that, in the actual assembly process, the solder blocks are placed in the solder storage tank 12, so that the contact area between the solder blocks and the body 1 can be increased, and the probability of tin flowing in the welding process is reduced. Meanwhile, the soldering tin blocks are arranged in the soldering tin storage tank 12, so that the connection stability of the soldering tin blocks and the body 1 can be improved, the phenomenon that the soldering tin blocks shake in the welding process is avoided, and the welding molding yield of the photovoltaic junction box is effectively improved.

In some embodiments, as shown in FIGS. 1-2, the locating structure includes a projection 13 disposed on the bottom wall of the tin storage tank 12. It can be understood that, the texture of soldering tin piece is softer, be equipped with protruding 13 on the diapire of storing up molten tin bath 12, press down and store up molten tin bath 12 after putting into storage molten tin bath 12 with the soldering tin piece, protruding 13 can insert in the soldering tin piece, can enough promote soldering tin piece and the stability of being connected of storing up molten tin bath 12, can promote the area of contact of soldering tin piece and body 1 again, thereby the tin probability that flows in the welding process has been reduced, and the phenomenon that the soldering tin piece rocked appears in having avoided welding process takes place, thereby the welding type yield of photovoltaic terminal box has been improved effectively.

In some embodiments, as shown in fig. 1, there are a plurality of protrusions 13, and the plurality of protrusions 13 are arranged in rows and columns or in a circumferential array. From this, can further promote the area of contact of soldering tin piece and body 1 to reduce the welding in-process and flowed tin probability, and further avoided the welding in-process to appear the phenomenon emergence that the soldering tin piece rocked, thereby improved the welding of photovoltaic terminal box effectively and moulded the type yield. Of course, it should be noted that the shape, number and arrangement of the protrusions 13 may be selected according to actual needs, and are not limited herein.

In some embodiments, as shown in FIG. 2, the protrusion 13 is a rib extending along the contour of the solder reservoir 12. It can be understood that, compare in protruding 13 for a plurality of and be the ranks and arrange or be the mode that the circumference array was arranged, protruding 13 is more convenient for the processing of the bead that the contour line extension of storing up tin groove 12 set up to promote the manufacturing efficiency of the conducting strip of photovoltaic terminal box, reduced the manufacturing cost of the conducting strip of photovoltaic terminal box.

In some embodiments, as shown in FIGS. 3-4, the locating structure includes a recess 14 provided in the bottom wall of the tin reservoir 12. It can be understood that, the texture of soldering tin piece is softer, be equipped with recess 14 on the diapire of storage molten tin bath 12, put into storage molten tin bath 12 with the soldering tin piece and press down storage molten tin bath 12, the soldering tin piece can insert in the recess 14, can enough promote the stability of being connected of soldering tin piece and storage molten tin bath 12, can promote the area of contact of soldering tin piece and body 1 again, thereby the tin probability that flows in the welding process has been reduced, and the phenomenon that the soldering tin piece rocked appears in having avoided welding process takes place, thereby the welding type yield of photovoltaic terminal box has been improved effectively.

In some embodiments, as shown in fig. 3, there are a plurality of grooves 14, and the plurality of grooves 14 are arranged in rows and columns or in a circumferential array. From this, can further promote the area of contact of soldering tin piece and body 1 to reduce the welding in-process and flowed tin probability, and further avoided the welding in-process to appear the phenomenon emergence that the soldering tin piece rocked, thereby improved the welding of photovoltaic terminal box effectively and moulded the type yield.

In some specific embodiments, as shown in FIG. 4, the recess 14 is an annular groove extending along the contour of the solder reservoir 12. It can be understood that, compare in recess 14 for a plurality of and be the ranks and arrange or be the mode that the circumference array arranged, it is more convenient that recess 14 extends the processing of the ring channel that sets up for the contour line along storing up tin groove 12 to promote the manufacturing efficiency of the conducting strip of photovoltaic terminal box, reduced the manufacturing cost of the conducting strip of photovoltaic terminal box.

In some embodiments, as shown in fig. 1, the body 1 is provided with a through slot 15, and the through slot 15 is used for passing through the bus bar. It will be appreciated that if the through slots 15 are not provided, the bus bars need to be connected directly to the solder blocks from the side provided at the receiving slots 11 so that both ends of the bus bars are located at the front of the body 1, which may interfere with the extraction of the conductive strips. In this embodiment, be equipped with through groove 15 on body 1, the busbar can follow one side that body 1 deviates from holding tank 11 and pass through groove 15 and link to each other with the soldering tin piece, and the one end of busbar is located the front of body 1, and the other end is located the back of body 1 for it is very convenient to draw forth of conducting strip.

In some embodiments, as shown in fig. 1, the inner wall of the receiving cavity 11 is provided with a clamping protrusion 16 for clamping the packaged diode 2. Therefore, the connection stability of the packaged diode 2 and the body 1 can be improved, and the reliability of the conducting strip of the photovoltaic junction box is ensured. It should be additionally noted that, in the present invention, the number, shape and distribution of the jamming 16 can be adjusted according to actual needs, and the specific type of the jamming 16 is not limited herein.

Example (b):

specific structures of the conductive sheets of the photovoltaic junction box of four specific embodiments of the present invention are described below with reference to fig. 1 to 4.

The first embodiment is as follows:

as shown in fig. 1, the conductive sheet of the photovoltaic junction box of the embodiment includes a body 1, the body 1 is provided with an accommodating groove 11, two tin storage grooves 12 and a through groove 15, the two tin storage grooves 12 are located on two sides of the accommodating groove 11, the accommodating groove 11 is used for accommodating the packaged diode 2, and the inner wall of the accommodating groove 11 is provided with a clamping protrusion 16 for clamping the packaged diode 2. Wear groove 15 to be located holding tank 11 and store up between the molten tin bath 12, wear groove 15 is used for passing the busbar, stores up molten tin bath 12 and is used for holding the soldering tin piece, is equipped with the location structure who is used for fixed soldering tin piece on the inner wall of storing up molten tin bath 12. The positioning structure comprises protrusions 13 arranged on the bottom wall of the tin storage tank 12, and the protrusions 13 are arranged in three rows and seven rows.

Example two:

as shown in fig. 2, the conductive sheet of the photovoltaic junction box of the embodiment includes a body 1, wherein the body 1 is provided with an accommodating groove 11, two tin storage grooves 12 and a through groove 15, the two tin storage grooves 12 are located on two sides of the accommodating groove 11, the accommodating groove 11 is used for accommodating the packaged diode 2, and the inner wall of the accommodating groove 11 is provided with a clamping protrusion 16 for clamping the packaged diode 2. Wear groove 15 to be located holding tank 11 and store up between the molten tin bath 12, wear groove 15 is used for passing the busbar, stores up molten tin bath 12 and is used for holding the soldering tin piece, is equipped with the location structure who is used for fixed soldering tin piece on the inner wall of storing up molten tin bath 12. The positioning structure comprises a bulge 13 arranged on the bottom wall of the tin storage tank 12, and the bulge 13 is a convex edge extending along the contour line of the tin storage tank 12.

Example three:

as shown in fig. 3, the conductive sheet of the photovoltaic junction box of the embodiment includes a body 1, wherein the body 1 is provided with an accommodating groove 11, two tin storage grooves 12 and a through groove 15, the two tin storage grooves 12 are located on two sides of the accommodating groove 11, the accommodating groove 11 is used for accommodating the packaged diode 2, and the inner wall of the accommodating groove 11 is provided with a clamping protrusion 16 for clamping the packaged diode 2. Wear groove 15 to be located holding tank 11 and store up between the molten tin bath 12, wear groove 15 is used for passing the busbar, stores up molten tin bath 12 and is used for holding the soldering tin piece, is equipped with the location structure who is used for fixed soldering tin piece on the inner wall of storing up molten tin bath 12. The positioning structure comprises grooves 14 arranged on the bottom wall of the tin storage tank 12, and the grooves 14 are arranged in three rows and seven rows.

Example four:

as shown in fig. 4, the conductive sheet of the photovoltaic junction box of this embodiment includes a body 1, and the body 1 is provided with an accommodating groove 11, two tin storage grooves 12 and a through groove 15, wherein the two tin storage grooves 12 are located on two sides of the accommodating groove 11, the accommodating groove 11 is used for accommodating the packaged diode 2, and the inner wall of the accommodating groove 11 is provided with a clamping protrusion 16 for clamping the packaged diode 2. Wear groove 15 to be located holding tank 11 and store up between the molten tin bath 12, wear groove 15 is used for passing the busbar, stores up molten tin bath 12 and is used for holding the soldering tin piece, is equipped with the location structure who is used for fixed soldering tin piece on the inner wall of storing up molten tin bath 12. The positioning structure comprises a groove 14 arranged on the bottom wall of the tin storage tank 12, and the groove 14 is an annular groove extending along the contour line of the tin storage tank 12.

The utility model also discloses a photovoltaic terminal box, the conducting strip of photovoltaic terminal box including before.

The utility model discloses a photovoltaic terminal box, owing to have the conducting strip of the photovoltaic terminal box in the former, this photovoltaic terminal box's reliability is higher.

In the description herein, references to the description of "some embodiments," "other embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims

1. The conducting strip of the photovoltaic junction box is characterized by comprising a body (1), wherein a containing groove (11) and a tin storage groove (12) are formed in the body (1), the containing groove (11) is used for containing a packaged diode (2), the tin storage groove (12) is used for containing a soldering tin block, and a positioning structure used for fixing the soldering tin block is arranged on the inner wall of the tin storage groove (12).

2. The conducting strip of a photovoltaic junction box according to claim 1, wherein the positioning structure comprises a protrusion (13) provided on the bottom wall of the tin storage tank (12).

3. The conducting strip of a photovoltaic junction box according to claim 2, wherein the number of the protrusions (13) is plural, and the plural protrusions (13) are arranged in rows and columns or in a circumferential array.

4. The conductive sheet of a photovoltaic junction box according to claim 2, wherein the protrusion (13) is a rib extending along the contour line of the tin storage tank (12).

5. The conducting strip of a photovoltaic junction box according to claim 1, characterized in that the positioning structure comprises a groove (14) provided on the bottom wall of the tin storage tank (12).

6. The conducting strip of a photovoltaic junction box according to claim 5, wherein the number of the grooves (14) is plural, and the plural grooves (14) are arranged in rows and columns or in a circumferential array.

7. The conducting strip of a photovoltaic junction box according to claim 5, wherein the groove (14) is an annular groove extending along the contour line of the tin storage tank (12).

8. The conducting strip of a photovoltaic junction box according to any one of claims 1 to 7, characterized in that the body (1) is provided with a through slot (15), the through slot (15) being used for passing through a bus bar.

9. The conducting strip of a photovoltaic junction box according to any one of claims 1 to 7, characterized in that the inner wall of the accommodating groove (11) is provided with a clamping protrusion (16) for clamping the encapsulated diode (2).

10. A photovoltaic junction box characterized by comprising the conductive sheet of the photovoltaic junction box of any one of claims 1 to 9.