CN213425656U

CN213425656U - Dustproof heat dissipation type photovoltaic terminal box

Info

Publication number: CN213425656U
Application number: CN202021825469.6U
Authority: CN
Inventors: 严亮; 严维良
Original assignee: Jiangsu Jingke New Energy Technology Co ltd
Current assignee: Jiangsu Jingke New Energy Technology Co ltd
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2021-06-11
Anticipated expiration: 2030-08-27

Abstract

The utility model relates to the technical field of photovoltaic junction boxes, and discloses a dustproof heat dissipation type photovoltaic junction box, which solves the problems of poor heat dissipation effect and poor dustproof effect of the current photovoltaic junction box, and comprises a bottom box, wherein a sealing ring is embedded at the upper end of the bottom box, and the upper end of the bottom box is connected with a cover plate through a first screw; through holding the dust screen that the chamber inside set up with the third in the second to and the setting of sealing washer, the leakproofness of apron and end box can be guaranteed to the sealing washer, and the dust screen filters when can getting into end box inside to the ambient air, and then can effectually avoid the dust to get into end box, thereby reaches dustproof effect.

Description

Dustproof heat dissipation type photovoltaic terminal box

Technical Field

The utility model belongs to the technical field of the photovoltaic terminal box, specifically be a dustproof heat dissipation type photovoltaic terminal box.

Background

As a connector of a solar cell module, a photovoltaic junction box mainly functions to lead out electric energy generated by a solar cell module through a cable.

The heat that current photovoltaic terminal box produced in the use distributes slowly, and its inside is long-pending hot easily, and the radiating effect is relatively poor, influences life, and dustproof effect is relatively poor simultaneously, consequently, needs design a dustproof heat dissipation type photovoltaic terminal box.

Disclosure of Invention

To the above situation, for overcoming prior art's defect, the utility model provides a dustproof heat dissipation type photovoltaic terminal box, the effectual current photovoltaic terminal box radiating effect of having solved is relatively poor to and the relatively poor problem of dustproof effect.

In order to achieve the above object, the utility model provides a following technical scheme: a dustproof heat dissipation type photovoltaic junction box comprises a bottom box, wherein a sealing ring is embedded in the upper end of the bottom box, the upper end of the bottom box is connected with a cover plate through a first screw, a first connecting plate and a second connecting plate are respectively connected to two sides inside the bottom box, a first containing cavity is formed between the first connecting plate and the second connecting plate, a second containing cavity is formed in one side, away from the first containing cavity, of the first connecting plate, a third containing cavity is formed in one side, away from the first containing cavity, of the second connecting plate, a bottom plate is connected inside the first containing cavity, conductive seats are uniformly connected to the upper end of the bottom plate, diodes are connected between the adjacent conductive seats, connecting joints are embedded in two sides of the front end of the first containing cavity, the lower end of the bottom plate is connected with a heat conducting plate, the lower end of the heat conducting plate is connected with a, through-hole one side is connected with the dust screen for the shrouding inner wall, and the second holds intracavity portion and has the heat dissipation fan, and the fresh air inlet has evenly been seted up to first connecting plate lateral wall, and the exhaust vent has evenly been seted up to second connecting plate lateral wall.

Preferably, the upper end of the bottom box is provided with a clamping groove corresponding to the embedding position of the sealing ring, the sealing ring is positioned in the clamping groove, and the section of the sealing ring is arranged in a square mechanism.

Preferably, four corners of the upper end of the cover plate are provided with grooves, and the first screws are located in the grooves.

Preferably, the surface of the bottom plate is uniformly provided with heat conduction holes.

Preferably, a heat dissipation channel is formed between the heat dissipation fins, and the heat dissipation channel is parallel to the blowing wind direction of the heat dissipation fan.

Preferably, a boss is arranged at the joint of the first connecting plate and the second connecting plate, which corresponds to the bottom plate.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses, through the setting of radiator fan, heat-conducting plate, radiating fin, the heat that produces during operation is passed through the heat-conducting plate and is transferred downwards to the radiating fin on, simultaneously, radiator fan blows external air suction to one side, drives the discharge with the heat that work was gived off to give off the heat, reach the radiating effect, and the radiating effect is good;

(2) the dust screen that holds the inside setting of chamber through holding at the second and the third to and the setting of sealing washer, the leakproofness of apron and end box can be guaranteed to the sealing washer, and the dust screen filters when can getting into end box inside to the ambient air, and then can effectually avoid the dust to get into end box, thereby reaches dustproof effect.

Drawings

The accompanying drawings are included to provide a further understanding of the 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 invention and not to limit the invention.

In the drawings:

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

FIG. 2 is a top view of the bottom case of the present invention;

FIG. 3 is a schematic view of the installation structure of the heat dissipation fan of the present invention;

in the figure: 1. a bottom case; 2. a seal ring; 3. a first screw; 4. a cover plate; 5. a first connecting plate; 6. a second connecting plate; 7. a first cavity; 8. a second cavity; 9. a third cavity; 10. a base plate; 11. a conductive seat; 12. a diode; 13. connecting a joint; 14. a heat conducting plate; 15. a heat dissipating fin; 16. closing the plate; 17. a second screw; 18. a through hole; 19. a dust screen; 20. a heat dissipation fan; 21. an air inlet hole; 22. an air outlet; 23. a groove; 24. and heat conduction holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the first embodiment, as shown in fig. 1, 2 and 3, the utility model comprises a bottom case 1, a sealing ring 2 is embedded at the upper end of the bottom case 1, so as to facilitate the sealing function after the bottom case 1 and the cover plate 4 are covered, the upper end of the bottom case 1 is connected with the cover plate 4 through a first screw 3, the two sides of the interior of the bottom case 1 are respectively connected with a first connecting plate 5 and a second connecting plate 6, a first containing cavity 7 is formed between the first connecting plate 5 and the second connecting plate 6, a second containing cavity 8 is formed at the side of the first connecting plate 5 far away from the first containing cavity 7, a third containing cavity 9 is formed at the side of the second connecting plate 6 far away from the first containing cavity 7, a bottom plate 10 is connected with the interior of the first containing cavity 7, conductive bases 11 are evenly connected at the upper end of the bottom plate 10, diodes 12 are connected between the adjacent conductive bases 11, connecting joints 13 are embedded at the two sides of the front end of the first, be used for on transferring heat downwards to radiating fin 15, the 14 lower extreme of heat-conducting plate is connected with radiating fin 15, the second holds chamber 8 and third and holds chamber 9 one end and all be connected with shrouding 16, shrouding 16 passes through second screw 17 and is connected with end box 1, through-hole 18 has evenly been seted up on shrouding 16 surface, the air current circulation of being convenient for, through-hole 18 one side has dust screen 19 for 16 inner wall connection of shrouding, avoid the dust to get into, the second holds 8 internally mounted in chamber has

radiator fan

20, 5 lateral walls of first connecting plate have evenly seted up inlet opening 21, the cold wind of being convenient for gets into first appearance chamber 7 and cools down, exhaust vent 22 has evenly been seted up.

Second, on the basis of first embodiment, the draw-in groove has been seted up to the corresponding sealing washer 2 of end box 1 upper end and inlays the department of establishing, and sealing washer 2 is located the draw-in groove, and 2 cross-sections of sealing washer are the setting of square mechanism, are convenient for connect sealing washer 2, and square cross-section can increase area of contact, and airtight effect is better.

Third embodiment, on the basis of first embodiment, all set up fluted 23 in apron 4 upper end four corners, first screw 3 is located recess 23, avoids first screw 3 to bulge.

In the fourth embodiment, on the basis of the first embodiment, the heat conduction holes 24 are uniformly formed in the surface of the bottom plate 10, so that the heat can be transferred downwards quickly.

In the fifth embodiment, on the basis of the first embodiment, the heat dissipation channels are formed between the heat dissipation fins 15, and the blowing wind direction of the heat dissipation channels is parallel to that of the heat dissipation fan 20, so that the heat can be taken out by cold wind.

In the sixth embodiment, on the basis of the first embodiment, a boss is arranged at the joint of the first connecting plate 5 and the second connecting plate 6 corresponding to the bottom plate 10.

The working principle is as follows: when the heat dissipation device is used, a cable penetrates through the connecting joint 13 to be connected with the conductive seat 11, then the cover plate 4 is connected with the bottom box 1, heat generated during working is transmitted downwards to the radiating fins 15 through the heat conducting plate 14, meanwhile, the radiating fan 20 sucks external air from the through holes 18 on the surface of the sealing plate 16 on one side of the second accommodating cavity 8, wind power penetrates through the air inlet holes 21 on the surface of the first connecting plate 5 to enter the first accommodating cavity 7, the heat dissipated during working drives the air outlet holes 22 on the surface of the second connecting plate 6 to enter the third accommodating cavity 9, then the external air penetrates through the through holes 18 on the sealing plate 16 on one side of the third accommodating cavity 9 to be discharged, and therefore the heat is dissipated to achieve a heat dissipation effect, in addition, the external air is filtered through the dustproof net 19 when entering the bottom box 1.

It is noted that, herein, relational terms such as first and second, and the like may be 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.

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. The utility model provides a dustproof heat dissipation type photovoltaic terminal box, includes end box (1), its characterized in that: the upper end of the bottom box (1) is embedded with a sealing ring (2), the upper end of the bottom box (1) is connected with a cover plate (4) through a first screw (3), two sides inside the bottom box (1) are respectively connected with a first connecting plate (5) and a second connecting plate (6), a first containing cavity (7) is formed between the first connecting plate (5) and the second connecting plate (6), one side, far away from the first containing cavity (7), of the first connecting plate (5) is provided with a second containing cavity (8), one side, far away from the first containing cavity (7), of the second connecting plate (6) is provided with a third containing cavity (9), the first containing cavity (7) is internally connected with a bottom plate (10), the upper end of the bottom plate (10) is uniformly connected with conductive seats (11), a diode (12) is connected between adjacent conductive seats (11), two sides of the front end of the first containing cavity (7) are both embedded with connecting joints (, heat-conducting plate (14) lower extreme is connected with radiating fin (15), second chamber (8) and third chamber (9) one end all are connected with shrouding (16), shrouding (16) are connected with end box (1) through second screw (17), through-hole (18) have evenly been seted up on shrouding (16) surface, through-hole (18) one side has dust screen (19) for shrouding (16) inner wall connection, second chamber (8) internally mounted has radiator fan (20), inlet air inlet (21) have evenly been seted up to first connecting plate (5) lateral wall, exhaust vent (22) have evenly been seted up to second connecting plate (6) lateral wall.

2. The dustproof heat dissipation type photovoltaic junction box of claim 1, wherein: the upper end of the bottom box (1) is provided with a clamping groove corresponding to the embedding position of the sealing ring (2), the sealing ring (2) is positioned in the clamping groove, and the cross section of the sealing ring (2) is arranged in a square mechanism.

3. The dustproof heat dissipation type photovoltaic junction box of claim 1, wherein: four corners of the upper end of the cover plate (4) are provided with grooves (23), and the first screws (3) are located in the grooves (23).

4. The dustproof heat dissipation type photovoltaic junction box of claim 1, wherein: the surface of the bottom plate (10) is uniformly provided with heat conduction holes (24).

5. The dustproof heat dissipation type photovoltaic junction box of claim 1, wherein: and heat dissipation channels are formed among the heat dissipation fins (15), and the blowing wind direction of the heat dissipation channels and the blowing wind direction of the heat dissipation fan (20) are parallel.

6. The dustproof heat dissipation type photovoltaic junction box of claim 1, wherein: and bosses are arranged at the joints of the first connecting plate (5) and the second connecting plate (6) corresponding to the bottom plate (10).