CN209767479U

CN209767479U - junction box and solar module

Info

Publication number: CN209767479U
Application number: CN201920405898.9U
Authority: CN
Inventors: 陈博
Original assignee: Beijing Apollo Ding Rong Solar Technology Co Ltd
Current assignee: Shanghai zuqiang Energy Co.,Ltd.
Priority date: 2019-03-27
Filing date: 2019-03-27
Publication date: 2019-12-10
Anticipated expiration: 2029-03-27

Abstract

The utility model discloses a terminal box and solar energy component for solve the terminal box and can't visual inspection unusual problem. The junction box includes: the junction box base and the junction box cover are oppositely arranged; a groove is formed in one side, facing the junction box cover, of the junction box base; a bulge is arranged on one side, facing the junction box base, of the junction box cover; the protrusion and the groove are clamped to form an accommodating space, and the accommodating space is used for accommodating a first lead and a second lead and pressing the first lead and the second lead to enable the first lead and the second lead to be electrically connected.

Description

Junction box and solar module

Technical Field

The utility model relates to a solar cell technical field especially relates to a terminal box and solar energy component.

Background

In the existing solar cell, the junction box mainly functions to connect the electric power generated by the solar cell with an external circuit. The junction box is adhered to the back plate of the assembly through silica gel, the outgoing lines in the assembly are connected together through the internal lines in the junction box, and the internal lines are connected with the external cables to enable the assembly to be conducted with the external cables.

when the junction box is connected with the outgoing line in the assembly, an aluminum strip lead mainly penetrates through a square hole of the junction box to be welded at one time, then pouring sealant is coated in the junction box and solidified, and therefore electric connection is completed. However, when the junction box is connected poorly or has a problem, the abnormality cannot be visually checked because the electrical connection is realized by the welding process.

SUMMERY OF THE UTILITY MODEL

in order to solve the technical problem, the utility model provides a terminal box and solar energy component for solve the terminal box and can't visual inspection unusual problem.

the utility model provides a junction box, the junction box includes: the junction box base and the junction box cover are oppositely arranged;

A groove is formed in one side, facing the junction box cover, of the junction box base;

A bulge is arranged on one side, facing the junction box base, of the junction box cover;

the protrusion and the groove are clamped to form an accommodating space, and the accommodating space is used for accommodating a first lead and a second lead and pressing the first lead and the second lead to enable the first lead and the second lead to be electrically connected.

optionally, in the junction box provided by the present invention, a blind hole is provided in the groove; the bulge is provided with an elastic component; and the elastic component is pressed with the blind hole to electrically connect the first conducting wire and the second conducting wire.

On the other hand, the utility model also provides a solar energy component, include: a solar cell chip having a second wire, the solar module further comprising: according to the terminal box, the terminal box is electrically connected with the first lead and the second lead, and the first lead is used for being connected with electronic equipment.

The utility model has the advantages that:

The utility model provides an among terminal box and solar energy component, mainly through setting up the recess in one side of terminal box base orientation terminal box lid, set up the arch in one side of terminal box lid orientation terminal box base, through recess and bellied block effect, carry out the pressfitting with first wire and second wire, make first wire and second wire electricity connect, compare prior art, avoid adopting welded technology to carry out the electricity and connect, thereby convenience of customers visual inspection abnormal conditions, avoid simultaneously carrying out the casting glue to the wire, further convenient dismantlement.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

The accompanying drawings are included to provide a further understanding of the embodiments of the present invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the embodiments of the invention and not to limit the embodiments of the invention.

Fig. 1 is a structural diagram of a junction box base in a junction box according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a junction box cover matched with fig. 1 in a junction box provided in an embodiment of the present invention;

fig. 3 is a structural diagram of a terminal box base in a second terminal box according to an embodiment of the present invention;

Fig. 4 is a schematic structural diagram of a junction box cover matched with fig. 3 in a second junction box provided in an embodiment of the present invention;

Fig. 5 is a structural diagram of a terminal box base in a third terminal box according to an embodiment of the present invention;

Fig. 6 is a schematic structural diagram of a junction box cover matched with fig. 5 in a third junction box provided in an embodiment of the present invention.

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined below to clearly and completely describe the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.

The utility model provides a terminal box and solar energy component for solve the terminal box and can't visual inspection unusual problem.

Referring to fig. 1 and 2, the present invention provides a junction box including: a junction box base 10 and a junction box cover 11 which are oppositely arranged;

one side of the junction box base 10 facing the junction box cover 11 is provided with a groove 101;

A protrusion 111 is arranged on one side of the junction box cover 11 facing the junction box base 10;

The protrusion 111 and the groove 101 are engaged to form a receiving space (not shown in fig. 1), which is used for receiving the first conductive wire and the second conductive wire and pressing the first conductive wire and the second conductive wire to electrically connect the first conductive wire and the second conductive wire.

It should be noted that, in the present invention, the first wire and the second wire are two kinds of wires that need to be electrically connected through the junction box. For example, in the field of solar cells, power in a solar cell chip is supplied to external electronic devices through a junction box. The first lead is a lead led out from the solar cell chip, such as an aluminum strip; the second wire is a wire for supplying power to external electronic equipment, such as an original wire; or the first lead is a lead for supplying power to external electronic equipment, and the second lead is a lead led out from the solar cell chip. The utility model provides a terminal box base and terminal box lid generally are square or rectangle, and its shape does not do specifically and restricts here. In addition, the surface of a partial area of the first conducting wire arranged in the groove is not provided with an insulating layer, and the surface of a partial area of the second conducting wire arranged in the groove is not provided with an insulating layer, so that the first conducting wire and the second conducting wire arranged in the groove are electrically connected under the pressing action.

specifically, the utility model provides a terminal box mainly sets up the recess through the one side at terminal box base towards the terminal box lid, sets up the arch in one side of terminal box lid towards the terminal box base, through recess and bellied block effect, carries out the pressfitting with first wire and second wire for first wire and second wire electricity are connected, compare prior art, avoid adopting welding process to carry out the electricity and connect, thereby convenience of customers visual inspection abnormal conditions, avoid carrying out the casting glue to the wire simultaneously, further convenient dismantlement.

In some alternative embodiments, referring to fig. 3 and 4, the junction box base 10 further comprises: a blind hole 102 is arranged in the groove 101; an elastic member 112 disposed on the protrusion 111; the elastic element 112 is pressed into the blind hole 102 to electrically connect the first conductive wire and the second conductive wire.

Further, in order to better press the first wire and the second wire to be electrically connected, a blind hole 102 may be disposed in the groove 101, and an elastic component 112 may be disposed at a corresponding position of the protrusion 111, when the junction box base 10 and the junction box cover 11 are engaged, the first wire and the second wire are further pressed by the pressing action of the elastic component 112 and the protrusion 111, and further electrical connection is achieved.

it should be noted that one or more blind holes may be disposed in the groove of the terminal box base, and one or more elastic components may be disposed at the protrusion. The elastic component may be a spring or a columnar structure formed by other elastic materials, and the structure of the elastic component is not specifically limited herein.

In some alternative embodiments, the junction box cover and the junction box base are sealingly removably attached. In particular, the terminal block cover may cover other surfaces of the terminal block base than the bottom surface of the terminal block base, such that the terminal block cover seals the terminal block base when engaged with the terminal block base. For example, as shown in fig. 2, the terminal box cover 11 includes a hollow area a capable of receiving the terminal box base, so that the terminal box cover 11 is sealed and detachable with respect to the terminal box base 10. Certainly, in order to realize the effect of sealing the junction box base by the junction box cover, the junction box cover can further comprise a screw hole, a blind hole is formed in the corresponding position of the junction box base, and when the junction box cover is buckled with the junction box base, a screw penetrates through the screw hole and the blind hole to achieve the purpose of fixing the junction box cover and the junction box base. The junction box cover and the junction box base are fixed by screws and are easy to detach.

In some alternative embodiments, referring to fig. 1, the side of the junction box base 10 includes a through hole 103, and the through hole 103 is used for passing the first wire, so that the first wire is disposed in the groove 101 through the through hole 103. Specifically, terminal box base 10 is the cuboid, and the upper surface of terminal box base 10 is provided with recess 101, and the side of terminal box base 10 still is provided with through-hole 103, and through-hole 103 is used for wearing to establish the wire, and the one end and the recess 101 of through-hole 103 are connected, and first wire passes directly to be placed in recess 101 after passing through 103.

It should be noted that the terminal box base may include a plurality of grooves therein, and the number of the through holes may be the same as the number of the grooves. One end of each groove is connected with the through hole.

In some alternative embodiments, referring to fig. 2, the junction box cover 11 includes a first opening 113, the first opening 113 for receiving a first wire; the first opening 113 is provided at the same position as the through hole 103 is provided at the terminal block base 10 as the terminal block cover 11. The setting position of the first opening 113 on the junction box cover 11 is the same as the setting position of the junction box base 10 of the through hole 103, so that when the junction box cover 11 is buckled with the junction box base 10 and a first wire is arranged in the through hole 103 in a penetrating manner, the first opening 113 can avoid the first wire, and the first wire is prevented from blocking.

in some alternative embodiments, the junction box cover further comprises a second opening for receiving a second wire; the depth of the second opening is less than the depth of the groove. When the junction box base and the junction box cover are buckled, the second lead is led out through the groove and the second opening, so that the second opening is arranged to facilitate the leading-out of the second lead. The depth of the second opening is smaller than that of the groove, so that the opening area is prevented from being large, the second wire is prevented from being leaked electricity, and meanwhile the second wire can be clamped better.

it should be noted that the shape and size of the first opening and the second opening are not specifically limited herein. The second opening is arranged at the position of the junction box cover and can correspond to the position of the groove arranged at the through hole on the side face of the junction box base.

In some alternative embodiments, as shown in fig. 1 and 2, both the recess 101 and the projection 111 are L-shaped. Of course, the shape of the groove and the protrusion may be other shapes, and is not particularly limited herein.

in some alternative embodiments, referring to fig. 5 and 6, groove 101 includes a first groove 1011 and a second groove 1012; the projection 111 includes a first projection 1111 and a second projection 1112;

The first groove 1011 and the first protrusion 1111 are clamped to form a first accommodating space, and the first accommodating space is used for accommodating a positive electrode wire in the first lead and a positive electrode wire in the second lead and electrically connecting the positive electrode wire in the first lead and the positive electrode wire in the second lead; the second groove 1012 and the second protrusion 1112 are engaged to form a second receiving space, and the second receiving space is used for receiving and electrically connecting the negative electrode wire in the first lead and the negative electrode wire in the second lead.

specifically, the first lead includes a positive line of the first lead and a negative line of the first lead; the second wire includes a positive wire of the second wire and a negative wire of the second wire. The positive wire of the first lead is electrically connected with the positive wire of the second lead through the first groove and the first bulge, and the negative wire of the second lead is electrically connected with the negative wire of the second lead through the second groove and the second bulge; or the negative wire of the first lead and the negative wire of the second lead are electrically connected through the first groove and the first protrusion, and the positive wire of the second lead are electrically connected through the second groove and the second protrusion.

Further, in order to achieve better electrical connection between the first conductive wire and the second conductive wire, referring to fig. 5 and 6, a plurality of blind holes 102 are provided in the first recess 1011, and a plurality of elastic members 112 are provided on the first protrusion 1111; a plurality of blind holes 102 are disposed in the second recess 1012, and a plurality of resilient members 112 are disposed on the second protrusion 1112. Preferably, two blind holes 102 are disposed in the first recess 1011, and two elastic members 112 are disposed on the first protrusion 1111. Two blind holes 102 are provided in the second groove 1012, and two elastic members 112 are provided on the second protrusion 1112.

In some alternative embodiments, referring to fig. 5, the first and second grooves 1011, 1012 in the junction box base 10 are arranged axisymmetrically; referring to fig. 6, a first protrusion 1111 of the terminal box cover 11 is disposed corresponding to the first groove 1011, and a second protrusion 1112 is disposed corresponding to the second groove 1012. Specifically, the first recess 1011 and the second recess 1012 are disposed axisymmetrically about the center line of the terminal block base 10. For example, the first and second grooves 1011 and 1012 are L-shaped. The through opening B of the first recess 1011 is arranged at a first side of the terminal block base and the through opening B of the second recess 1012 is arranged at a second side of the terminal block base, the first side and the second side being opposite.

Based on the same inventive concept, the utility model also provides a solar energy component, include: a solar cell chip having a second wire, the solar module further comprising: the utility model provides an above-mentioned any kind of terminal box, the terminal box electricity connect first wire with the second wire, first wire is used for being connected with electronic equipment.

it should be emphasized that, the utility model discloses in, the degree of depth and the bellied height of recess are roughly the same to when guaranteeing recess and protruding block, can play the effect that compresses tightly first wire and second wire.

To sum up, the utility model provides a terminal box and solar energy component mainly through setting up first wire and second wire in the recess, when terminal box lid and terminal box base lock, carries out the block through the recess that sets up in the arch on the terminal box lid and the terminal box base, realizes further realizing the electricity of first wire and second wire to first wire and second wire pressfitting and is connected, and it is difficult to the phenomenon of observing the abnormal conditions through the range estimation to have visibly avoided adopting welding process to connect first wire and second wire. In addition, through setting up the blind hole in the recess and setting up the elastic component on the arch, further the block effect through blind hole and elastic component realizes the effect of compressing tightly first wire and second wire, further realizes the electricity connection better.

although the embodiments of the present invention have been described above, the description is only for the convenience of understanding the present invention, and the present invention is not limited thereto. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A junction box, comprising: the junction box base and the junction box cover are oppositely arranged;

2. The junction box of claim 1, wherein a blind hole is provided in said recess;

The bulge is provided with an elastic component;

And the elastic component is pressed with the blind hole to electrically connect the first conducting wire and the second conducting wire.

3. The junction box of claim 1, wherein the junction box cover and the junction box base are sealingly removably connected.

4. The junction box of claim 1, wherein a side of the junction box base includes a through hole for passing the first wire therethrough such that the first wire is disposed in the recess through the through hole.

5. the junction box of claim 4, wherein the junction box cover includes a first opening for receiving the first wire;

The first opening is arranged at the same position of the junction box cover as the through hole is arranged at the junction box base.

6. the junction box of claim 5, wherein the junction box cover further comprises a second opening for receiving the second wire;

The depth of the second opening is less than the depth of the groove.

7. The junction box of claim 1, wherein said recess and said projection are each L-shaped.

8. The junction box of any of claims 1-7, wherein the recess comprises a first recess and a second recess;

The protrusions comprise a first protrusion and a second protrusion;

The first groove and the first protrusion are clamped to form a first accommodating space, and the first accommodating space is used for accommodating a positive wire in the first lead and a positive wire in the second lead and electrically connecting the positive wire in the first lead and the positive wire in the second lead; the second groove and the second protrusion are clamped to form a second accommodating space, and the second accommodating space is used for accommodating the negative pole wire in the first lead and the negative pole wire in the second lead and enabling the negative pole wire in the first lead to be electrically connected with the negative pole wire in the second lead.

9. The junction box of claim 8, wherein said first and second recesses in said junction box base are axisymmetrically disposed;

The first protrusion in the junction box cover is arranged corresponding to the first groove, and the second protrusion is arranged corresponding to the second groove.

10. a solar module, comprising: a solar cell chip having a second wire, characterized in that the solar module further comprises: the junction box of any of claims 1-9, the junction box electrically connecting a first wire and the second wire, the first wire for connection with an electronic device.