CN217509331U

CN217509331U - Photovoltaic junction box capable of improving heat dissipation performance

Info

Publication number: CN217509331U
Application number: CN202221450365.0U
Authority: CN
Inventors: 吕冰吉; 吕春明
Original assignee: Suzhou Chunyi Photovoltaic Co ltd
Current assignee: Suzhou Chunyi Photovoltaic Co ltd
Priority date: 2022-06-10
Filing date: 2022-06-10
Publication date: 2022-09-27
Anticipated expiration: 2032-06-10

Abstract

The utility model discloses an improve heat dispersion's photovoltaic terminal box belongs to photovoltaic terminal box technical field, include: the terminal board is arranged on the inner side of the box body, and the top cover is arranged at the top of the box body; the top and one side of the box body are respectively provided with a heat dissipation assembly and a protection assembly; the heat dissipation assembly comprises a heat conduction frame and a plurality of heat conduction sheets, wherein the heat conduction frame is arranged on the inner side of a top cover in an embedded mode, the heat conduction sheets are arranged on the top of the heat conduction frame side by side, the heat conduction frame is arranged on the side wall of a wiring board in an embedded mode, the top of each heat conduction sheet penetrates through the top cover and is connected with a connecting plate, a first heat dissipation fan and two sides of each heat conduction sheet are arranged in an embedded mode, the heat dissipation fan is arranged on each heat conduction sheet in an embedded mode, the protection assembly comprises two protection sleeves which are inserted into one side of a box body side by side, and the protection sleeves are arranged on the outer side of a wiring head in an embedded mode. This improve heat dispersion's photovoltaic terminal box, the heat with deriving that can be quick is dispelled, and can provide sufficient protection to junction.

Description

Photovoltaic junction box capable of improving heat dissipation performance

Technical Field

The utility model belongs to the technical field of the photovoltaic terminal box, especially, improve heat dispersion's photovoltaic terminal box.

Background

The photovoltaic junction box is a connecting device between a solar cell array formed by solar cell modules and a solar charging control device, mainly used for connecting and protecting the solar cell modules, can generate a lot of heat in the working process, and needs to be improved to ensure heat dissipation for the stability of the work.

For example, chinese utility model application number is CN 201520181430.8's a photovoltaic terminal box that improves heat dispersion, including box body and the lid of setting on the box body, be provided with the metal support in the box body, set up busbar support and diode on the metal support, the lower extreme of box body is provided with the cable connector, and the diode setting is on box body upper portion, and the busbar support sets up in the box body lower part, and the lower part fretwork of box body has the busbar access hole. Adopt like above-mentioned photovoltaic panel of photovoltaic terminal box, including panel and the photovoltaic terminal box of setting on the panel, be equipped with the aluminum alloy frame around the panel, the upper portion embedding of photovoltaic terminal box is in the chase of aluminum alloy frame. The utility model discloses structure to the photovoltaic terminal box improves, makes it can imbed in the aluminum alloy frame to the position of diode corresponds panel bottom plate position all around, and then the diode generates heat and does not influence panel working property.

However, the prior device has the problem that the led-out heat cannot be quickly dissipated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an improve heat dispersion's photovoltaic terminal box to solve the problem that proposes in the background art.

The technical scheme is as follows: a photovoltaic junction box with improved heat dissipation, comprising:

the terminal board is arranged on the inner side of the box body, and the top cover is arranged at the top of the box body;

the top and one side of the box body are respectively provided with a heat dissipation assembly and a protection assembly;

the heat dissipation assembly comprises a heat conduction frame and a plurality of heat conduction fins, the heat conduction frame is arranged on the inner side of the top cover in an embedded mode, the heat conduction fins are arranged on the top of the heat conduction frame side by side, the heat conduction frame is arranged on the side wall of the wiring board in an embedded mode, the top of each heat conduction fin penetrates through the top cover and is connected with a connecting plate, a first heat dissipation fan is arranged in the middle of each connecting plate in an embedded mode, and two heat dissipation fans are arranged on the two sides of each heat conduction fin in an embedded mode.

In a further embodiment, the protection component comprises two protection sleeves which are inserted into one side of the box body side by side, the protection sleeves are sleeved on the outer sides of the connector lug, the top of one side of the box body is connected with a protection shell through a hinge, and the protection shell is located on the outer sides of the two protection sleeves.

In a further embodiment, a magnet piece is connected to the top of one side of the box body, and the magnet piece is fixed to the bottom of the protective shell in an adsorption mode.

In a further embodiment, four inserted rods are installed on the top of the box body in a rectangular array mode, penetrate through the top cover and are in threaded connection with nuts abutting against the top of the top cover.

In a further embodiment, supporting blocks are bonded at four corners of the bottom of the box body.

In a further embodiment, a plurality of heat dissipation holes are uniformly formed in the bottom of the box body, and a dust screen is arranged below the heat dissipation holes.

In a further embodiment, a label paper is adhered to one side of the box body.

The utility model discloses a technological effect and advantage: according to the photovoltaic junction box with the improved heat dissipation performance, heat of the wiring board can be fully conducted to the surface of the heat conducting frame on the outer side, then the heat can be conducted to the upper portions of the plurality of heat conducting fins, and at the moment, the heat of the plurality of heat conducting fins can be quickly dissipated by the first heat dissipating fan at the top in cooperation with the second heat dissipating fans at the two sides, so that the derived heat can be quickly dissipated;

the wiring position is reinforced through a protective sleeve, a protective shell is sleeved on the outer side of the protective sleeve for protection, and the two mechanisms are matched to provide sufficient protection for the wiring position;

this improve heat dispersion's photovoltaic terminal box, the heat with deriving that can be quick is dispelled, and can provide sufficient protection to junction.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view taken along the line a-a of FIG. 1 according to the present invention;

fig. 3 is an enlarged view of a portion a of fig. 1 according to the present invention.

In the figure: 1. a box body; 2. a wiring board; 3. a top cover; 4. a heat dissipating component; 5. a heat conducting frame; 6. a heat conductive sheet; 7. a connecting plate; 8. a first heat dissipation fan; 9. a second heat dissipation fan; 10. a guard assembly; 11. a protective sleeve; 12. a protective shell; 13. a magnet piece; 14. inserting a rod; 15. a nut; 16. a support block; 17. heat dissipation holes; 18. a dust screen; 19. and (4) label paper.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the present invention.

In order to solve the problem, the present invention provides a photovoltaic junction box with improved heat dissipation performance as shown in fig. 1 to 3, including: box body 1, the inboard bonding of box body 1 has wiring board 2, the top of box body 1 is provided with top cap 3, the top of box body 1 is the rectangle array through the screw thread and installs four inserted bars 14, and inserted bar 14 runs through top cap 3 and spiro union has nut 15, and nut 15 contradicts at top cap 3 top, can ensure that top cap 3 is stable installs the top at box body 1, the bottom four corners of box body 1 all bonds there is supporting shoe 16, one side bonding of box body 1 has label paper 19, parameter information for show wiring board 2.

In order to rapidly dissipate the led heat, as shown in fig. 1 and 2, a heat dissipation assembly 4 is installed at the top of a box body 1, the heat dissipation assembly 4 comprises a heat conduction frame 5 which is nested inside a top cover 3, the heat conduction frame 5 is sleeved on the side wall of a wiring board 2, a plurality of heat conduction fins 6 are welded at the top of the heat conduction frame 5 side by side, the welding connection mode is more favorable for heat conduction, the tops of the heat conduction fins 6 penetrate through the top cover 3 and are welded with a connecting plate 7, the middle part of the connecting plate 7 is provided with an installation groove, a first heat dissipation fan 8 is nested in the installation groove, second heat dissipation fans 9 are nested in the heat conduction fins 6 at two sides, the second heat dissipation fans 9 at two sides are the same in turning direction, air holes are uniformly formed in the plurality of heat conduction fins 6 and are more favorable for heat dissipation, a plurality of heat dissipation holes 17 are uniformly formed in the bottom of the box body 1, the heat dissipation capacity is improved, and a dust screen 18 is arranged below the heat dissipation holes 17, preventing the interior of the box body 1 from being contaminated with dust.

In order to provide sufficient protection to the junction, as fig. 1 and fig. 3, protection component 10 is installed to 1 one side of box body, protection component 10 is including pegging graft two lag 11 in 1 one side of box body side by side, and lag 11 cover is established in the outside of connector lug, there is (iron system) protecting crust 12 at one side top of box body 1 through hinged joint, and protecting crust 12 is located the outside of two lag 11, prevent external force direct contact lag 11, one side top of box body 1 is connected with magnet piece 13, and magnet piece 13 adsorbs the bottom of fixing at protecting crust 12, fixed protecting crust 12 that can be convenient.

According to the working principle, the photovoltaic junction box capable of improving the heat dissipation performance is characterized in that the device is connected with an external power supply, heat generated by the work of the wiring board 2 can be fully conducted to the surface of the heat conducting frame 5 on the outer side, then the heat conducting frame 5 can conduct the heat to the upper portions of the heat conducting fins 6, and at the moment, the heat dissipation fan I8 on the top can rapidly dissipate the heat of the heat conducting fins 6 in cooperation with the heat dissipation fan II 9 on the two sides;

the wiring department of wiring board 2 is consolidated at lag 11 inboard through pegging graft, then overturns protective housing 12 and adsorbs the top of fixing to magnet piece 13, can establish in the outside of lag 11 with the cover and protect, cooperates lag 11 alright with provide sufficient protection with the department of being qualified for the next round of competitions.

It is noted that, herein, relational terms such as one and two are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A photovoltaic junction box with improved heat dissipation, comprising:

the box body (1), a wiring board (2) arranged on the inner side of the box body (1) and a top cover (3) arranged on the top of the box body (1);

the top and one side of the box body (1) are respectively provided with a heat dissipation component (4) and a protection component (10);

the method is characterized in that: radiator unit (4) are including nested installing at heat conduction frame (5) of top cap (3) inboard and install a plurality of conducting strips (6) at heat conduction frame (5) top side by side, and heat conduction frame (5) cover is established at the lateral wall of wiring board (2), and is a plurality of top cap (3) are run through and are connected with connecting plate (7) to the top of conducting strip (6), the middle part nested installation of connecting plate (7) has heat dissipation fan (8), both sides heat conduction strip (6) are all nested installs heat dissipation fan two (9).

2. The photovoltaic junction box with improved heat dissipation performance of claim 1, wherein: protection component (10) are including pegging graft two lag (11) in box body (1) one side by side, and lag (11) cover establishes the outside at the connector lug, there are protecting crust (12) one side top of box body (1) through hinged joint, and protecting crust (12) are located the outside of two lag (11).

3. The photovoltaic junction box with improved heat dissipation performance as recited in claim 2, wherein: the top of one side of the box body (1) is connected with a magnet piece (13), and the magnet piece (13) is adsorbed and fixed at the bottom of the protective shell (12).

4. The photovoltaic junction box with improved heat dissipation performance of claim 1, wherein: the top of box body (1) is the rectangle array and installs four inserted bars (14), and inserted bar (14) run through top cap (3) and the spiro union has nut (15) of contradicting at top cap (3) top.

5. The photovoltaic junction box with improved heat dissipation performance of claim 1, wherein: supporting blocks (16) are bonded at four corners of the bottom of the box body (1).

6. The photovoltaic junction box with improved heat dissipation performance of claim 1, wherein: a plurality of radiating holes (17) are evenly formed in the bottom of the box body (1), and a dust screen (18) is arranged below the radiating holes (17).

7. The photovoltaic junction box with improved heat dissipation performance of claim 1, wherein: one side of the box body (1) is adhered with label paper (19).