CN216216755U

CN216216755U - High stability photovoltaic module terminal box

Info

Publication number: CN216216755U
Application number: CN202122547970.1U
Authority: CN
Inventors: 潘秋豹
Original assignee: Suzhou Kangjie Plastic Technology Co ltd
Current assignee: Suzhou Kangjie Plastic Technology Co ltd
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2022-04-05
Anticipated expiration: 2031-10-22

Abstract

The utility model belongs to the technical field of photovoltaic modules, and particularly relates to a high-stability photovoltaic module junction box which comprises a body mechanism, an anti-channeling mechanism, an anti-rotating mechanism, a heat dissipation mechanism and a waterproof mechanism, wherein the body mechanism comprises a box body, a connector arranged in an inner cavity of the box body, a wiring terminal connected to the connector, a connecting through seat connected to the outer side of the box body, a connecting wire inserted in the connecting through seat and a cover body clamped on the box body. According to the utility model, through the mutual matching of the wiring terminal, the anti-channeling piece and the bolt, the anti-channeling piece can extrude and fasten the connecting wire after the bolt is fastened, the problem of channeling of the connecting wire is effectively prevented, the stability of the junction box is facilitated, and meanwhile, the anti-rotating piece can further extrude and fasten the connecting wire by means of the matching of the fastening cap and the connecting through seat, so that the channeling or rotation of the connecting wire is further avoided, and the stability and the practicability of the anti-channeling piece are improved.

Description

High stability photovoltaic module terminal box

Technical Field

The utility model relates to the technical field of photovoltaic modules, in particular to a high-stability photovoltaic module junction box.

Background

The photovoltaic module is a core part in a solar power generation system and also is the most important part in the solar power generation system, the function of the photovoltaic module is to convert solar energy into electric energy and send the electric energy to a storage battery for storage or to push a load to work, the junction box of the photovoltaic module mainly has the functions of connecting and protecting a solar connector and conducting current generated by the connector for a user, and the common junction box is composed of a box cover, a box body, a wiring terminal, a connecting wire and a connector.

The existing photovoltaic junction box has many defects, for example, the positive cable and the negative cable often rotate or move, and then the stability of the junction box during operation is affected.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving one of the technical problems of the prior art or the related art.

Therefore, the technical scheme adopted by the utility model is as follows:

a high-stability photovoltaic module junction box comprises a body mechanism, an anti-channeling mechanism, an anti-rotating mechanism, a heat radiating mechanism and a waterproof mechanism, wherein the body mechanism comprises a box body, a connector arranged in an inner cavity of the box body, a wiring terminal connected with the connector, a connecting through seat connected to the outer side of the box body, a connecting wire inserted in the connecting through seat and a cover body clamped on the box body, the anti-channeling mechanism comprises a first threaded groove arranged in the wiring terminal, a built-in anti-channeling piece connected with the first threaded groove, a bolt connected with the first threaded groove and a first through groove penetrating the bolt, the anti-rotating mechanism comprises a second through groove arranged in the connecting through seat, a fastening cap connected with the connecting through seat, a second threaded groove arranged at one end of the fastening cap and a built-in anti-rotating piece connected with the fastening cap, the heat dissipation mechanism comprises a heat dissipation sheet penetrating through the cover body, and the waterproof mechanism is respectively arranged on the box body and the cover body.

Preferably, the heat dissipation mechanism further comprises a U-shaped through cover connected to the outer side of the cover body and heat dissipation holes formed in two sides of the U-shaped through cover, and the installation direction of the U-shaped through cover is parallel to the heat dissipation fins.

Preferably, the first through groove and the second through groove are respectively a V-shaped groove, and the inner walls of the first through groove and the second through groove are respectively provided with a soft gasket.

Preferably, the anti-channeling part and the anti-rotating part are respectively provided with four parts, and the anti-channeling part and the anti-rotating part are respectively made of rubber materials.

Preferably, the waterproof mechanism is including seting up in the seal groove of box body and connect in the annular sealing strip of lid, annular sealing strip adaptation in the seal groove.

Preferably, one end of the bolt, which is far away from the wiring terminal, is provided with an anti-falling mechanism connected to the box body, and a wire hole is formed in the center of the anti-falling mechanism.

By adopting the technical scheme, the utility model has the beneficial effects that:

according to the utility model, through the mutual matching of the wiring terminal, the anti-channeling piece and the bolt, the anti-channeling piece can extrude and fasten the connecting wire after the bolt is fastened, the problem of channeling of the connecting wire is effectively prevented, the stability of the junction box is facilitated, and meanwhile, the anti-rotating piece can further extrude and fasten the connecting wire by means of the matching of the fastening cap and the connecting through seat, so that the channeling or rotation of the connecting wire is further avoided, and the stability and the practicability of the anti-channeling piece are improved.

According to the photovoltaic module junction box, the radiating fins, the U-shaped through cover and the waterproof mechanism are matched with each other, so that the sealing performance of the inner cavity of the junction box is guaranteed, meanwhile, the internal heat can be dissipated to the outside, the normal operation of the photovoltaic module junction box is facilitated, and the problem that the junction box is unstable in operation due to certain factors is solved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a cover structure according to the present invention;

FIG. 3 is a schematic view of a heat dissipation mechanism according to the present invention;

FIG. 4 is an enlarged schematic view of the structure at A of the present invention;

fig. 5 is an enlarged schematic view of the structure at B of the present invention.

Reference numerals:

100. a body mechanism; 110. a box body; 120. a connector; 130. a wiring terminal; 140. connecting the through seat; 150. a connecting wire; 160. a cover body;

200. a channeling prevention mechanism; 210. a first thread groove; 220. a tamper-resistant member; 230. a bolt; 240. a first through groove;

300. an anti-rotation mechanism; 310. a second through groove; 320. a fastening cap; 330. a second thread groove; 340. an anti-rotation member;

400. a heat dissipation mechanism; 410. a heat sink; 420. a U-shaped through cover; 430. heat dissipation holes;

500. a waterproof mechanism; 510. a sealing groove; 520. an annular sealing strip;

600. an anti-drop mechanism.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be noted that the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.

It is to be understood that this description is made only by way of example and not as a limitation on the scope of the utility model.

The following describes a high-stability photovoltaic module junction box provided by some embodiments of the utility model with reference to the accompanying drawings.

The first embodiment is as follows:

referring to fig. 1 to 5, the high-stability photovoltaic module junction box provided by the present invention includes a body mechanism 100, a tamper-proof mechanism 200, a rotation-proof mechanism 300, a heat dissipation mechanism 400 and a waterproof mechanism 500, wherein the body mechanism 100 includes a box body 110, a connector 120 installed in an inner cavity of the box body 110, a connection terminal 130 connected to the connector 120, a connection through base 140 connected to an outer side of the box body 110, a connection line 150 inserted into the connection through base 140, and a cover body 160 clamped to the box body 110, the tamper-proof mechanism 200 includes a first screw groove 210 opened inside the connection terminal 130, a first tamper-proof member 220 embedded and connected to the first screw groove 210, a bolt 230 connected to the first screw groove 210, and a first through groove 240 opened on the bolt 230, the rotation-proof mechanism 300 includes a second through groove 310 opened on the connection through base 140, a fastening cap 320 connected to the connection through base 140, a second screw groove 330 opened at one end of the fastening cap 320, and a rotation-proof member 340 embedded and connected to the fastening cap 320, the heat dissipation mechanism 400 includes a heat sink 410 penetrating the cover 160, and the waterproof mechanism 500 is disposed on the case 110 and the cover 160, respectively.

The heat dissipation mechanism 400 further includes a U-shaped through cover 420 connected to the outer side of the cover 160 and heat dissipation holes 430 opened at two sides of the U-shaped through cover 420, and the mounting direction of the U-shaped through cover 420 is parallel to the heat dissipation fins 410, and the U-shaped through cover 420 is designed to facilitate external natural wind to accelerate heat dissipation of the heat dissipation fins 410, and the heat dissipation holes 430 can also perform heat dissipation at the sides of the heat dissipation fins 410 in the absence of wind.

Specifically, due to the design of the U-shaped through cover 420 parallel to the heat dissipation fins 410, natural wind is more easily concentrated in the U-shaped through cover 420 to dissipate heat among the plurality of heat dissipation fins 410.

Lead to groove 240 and lead to groove two 310 and be the V type groove respectively, and the inner wall that leads to groove 240 and lead to groove two 310 is equipped with soft gasket respectively, prevent scurrying piece 220 and prevent changeing the piece 340 and be equipped with four respectively, and prevent scurrying piece 220 and prevent changeing the piece 340 and be the rubber material respectively, the effect of its design is that the V type groove does benefit to and prevents scurrying piece 220 or prevent changeing the piece 340 and extrude, thereby prevent after the extrusion scurrying piece 220 or prevent changeing the piece 340 and can effectively prevent that the drunkenness or pivoted condition from appearing in connecting wire 150, thereby stability when improving the terminal box and using.

Specifically, the soft gasket, the anti-channeling member 220 and the anti-rotation member 340 are provided with anti-slip textures on the outer surfaces thereof, so that the stability of the anti-channeling member 220 and the anti-rotation member 340 can be further enhanced after the connecting wire 150 is fastened on the anti-channeling member 220 and the anti-rotation member 340.

The waterproof mechanism 500 includes a sealing groove 510 opened in the box body 110 and an annular sealing strip 520 connected to the cover body 160, the annular sealing strip 520 is adapted to the sealing groove 510, and the design function is that the cover body 160 is closed to enable the annular sealing strip 520 to enter the sealing groove 510, so that the external water vapor can be effectively prevented from entering the box body 110, thereby ensuring the normal operation of the internal electrical components and improving the stability of the internal electrical components.

The anti-dropping mechanism 600 connected to the box body 110 is arranged at one end of the bolt 230 far away from the wiring terminal 130, and a wire hole is formed in the center of the anti-dropping mechanism 600, so that the bolt 230 can be effectively blocked, the situation that the bolt 230 is separated from the wiring terminal 130 is avoided, and the long-term use of the utility model is ensured.

The working principle and the using process of the utility model are as follows: when the photovoltaic junction box is used, a worker can enable the connecting wire 150 to pass through the fastening cap 320, the anti-slip mechanism 600 and the bolt 230, then after the wire ends are fixed and connected, the bolt 230 is rotated manually, the bolt 230 can be extruded when rotated, the anti-slip piece 220 can fasten the connecting wire 150 and prevent the connecting wire 150 from shifting, then the worker rotates the fastening cap 320 again, when the fastening cap 320 is in threaded connection with the connecting through seat 140, the anti-rotation piece 340 can extrude and fasten the connecting wire 150, so that the connecting wire 150 is further prevented from shifting or rotating, the stability of the photovoltaic junction box in use is improved, after the box body 110 and the cover body 160 are clamped and sealed, the annular sealing strip 520 enters the sealing groove 510 and can reduce the problem that external water vapor enters the inner cavity of the box body 110, so that the normal operation of an electric element is ensured, and when the electric element generates heat during operation, the heat of the heat radiating fin 410 can absorb and convert the heat of the box body 110 to the outside at one end of the inner cavity of the box body 110, the high-stability long-term use of the junction box is facilitated.

In the present invention, the term "plurality" means two or more unless explicitly defined otherwise. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

It will be understood that when an element is referred to as being "mounted to," "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means 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 utility model. 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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the claims and their equivalents.

Claims

1. A high stability photovoltaic module terminal box, comprising:

the body mechanism (100) comprises a box body (110), a connector (120) arranged in an inner cavity of the box body (110), a wiring terminal (130) connected to the connector (120), a connecting through seat (140) connected to the outer side of the box body (110), a connecting wire (150) inserted in the connecting through seat (140) and a cover body (160) clamped in the box body (110);

the anti-channeling mechanism (200) comprises a first thread groove (210) arranged inside the wiring terminal (130), an anti-channeling piece (220) which is arranged inside and connected with the first thread groove (210), a bolt (230) connected with the first thread groove (210) and a first through groove (240) penetrating through the bolt (230);

the anti-rotation mechanism (300) comprises a second through groove (310) arranged on the connecting through seat (140), a fastening cap (320) connected to the connecting through seat (140), a second thread groove (330) arranged at one end of the fastening cap (320), and an anti-rotation part (340) which is arranged in the anti-rotation mechanism and connected to the fastening cap (320);

a heat dissipation mechanism (400) including a heat dissipation fin (410) penetrating the cover (160);

the waterproof mechanism (500) is arranged on the box body (110) and the cover body (160) respectively, and the waterproof mechanism (500) is arranged on the box body (110) and the cover body (160).

2. The junction box of claim 1, wherein the heat dissipation mechanism (400) further comprises a U-shaped through cover (420) connected to an outer side of the cover (160) and heat dissipation holes (430) formed at two sides of the U-shaped through cover (420), and the installation direction of the U-shaped through cover (420) is parallel to the heat dissipation fins (410).

3. The high-stability photovoltaic module junction box according to claim 1, wherein the first through groove (240) and the second through groove (310) are V-shaped grooves, and the inner walls of the first through groove (240) and the second through groove (310) are provided with soft gaskets.

4. The junction box for the high-stability photovoltaic module as recited in claim 1, wherein there are four anti-channeling members (220) and four anti-rotation members (340), and the anti-channeling members (220) and the anti-rotation members (340) are made of rubber.

5. The junction box of claim 1, wherein the waterproof mechanism (500) comprises a sealing groove (510) formed in the box body (110) and an annular sealing strip (520) connected to the cover body (160), and the annular sealing strip (520) is adapted to the sealing groove (510).

6. The junction box for the high-stability photovoltaic module as claimed in claim 1, wherein an anti-dropping mechanism (600) connected to the box body (110) is disposed at one end of the bolt (230) away from the connecting terminal (130), and a wire hole is formed at the center of the anti-dropping mechanism (600).