Intelligent photovoltaic junction box with real-time current monitoring function

Abstract

The utility model relates to photovoltaic junction box technical field, and disclose the intelligent photovoltaic junction box with real -time current monitoring function, solve the problem that the current is inconvenient to monitor and the poor heat dissipation effect of current photovoltaic junction box, it includes the box body, the top of box body is provided with the lid, the both sides of box body are fixedly provided with rubber seal sleeve, the inside fixed setting of box body has the support frame, the top of support frame is fixedly provided with intelligent control alarm, temperature sensor and current transformer, the bottom of box body is fixedly provided with the heat abstractor, and the heat abstractor is by support frame, a plurality of cooling fans and semiconductor cooling fin constitutes, and support frame fixed connection is in the bottom of box body, through this photovoltaic junction box, can realize monitoring to the current, can improve the heat dissipation effect simultaneously.

Description

Technical Field

[0001] This utility model belongs to the field of photovoltaic junction box technology, specifically an intelligent photovoltaic junction box with real-time current monitoring function. Background Technology

[0002] Photovoltaic junction boxes are one of the important components in photovoltaic systems, used to conduct the current generated by photovoltaic modules. However, existing photovoltaic junction boxes are not convenient for monitoring the current magnitude. When the current is abnormal, the staff cannot know in time. In addition, the heat dissipation effect of existing photovoltaic junction boxes is not good. When the generated heat cannot be dissipated in time, it affects the safety and service life of the photovoltaic junction box. Therefore, this application proposes an intelligent photovoltaic junction box with real-time current monitoring function. Utility Model Content

[0003] In view of the above situation and to overcome the shortcomings of the prior art, this utility model provides an intelligent photovoltaic junction box with real-time current monitoring function, which effectively solves the problems of existing photovoltaic junction boxes being inconvenient to monitor current and having poor heat dissipation.

[0004] To achieve the above objectives, the present invention provides the following technical solution: an intelligent photovoltaic junction box with real-time current monitoring function, comprising a box body, a cover at the top of the box body, rubber sealing sleeves fixedly installed on both sides of the box body, a support frame fixedly installed inside the box body, an intelligent control alarm, a temperature sensor and a current transformer fixedly installed at the top of the support frame, and a heat dissipation mechanism fixedly installed at the bottom of the box body.

[0005] The heat dissipation mechanism consists of a support frame, several cooling fans, and a semiconductor heat sink. The support frame is fixedly connected to the bottom of the box, the cooling fans are fixedly connected to one end inside the support frame, and the semiconductor heat sink is embedded in the bottom of the box and located inside the support frame. The cold end of the semiconductor heat sink is located inside the box, and the hot end of the semiconductor heat sink is located inside the support frame.

[0006] Preferably, one end of the support frame is provided with a protective net cover one, and the other end of the support frame is provided with a protective net cover two, both of which are arc-shaped structures.

[0007] Preferably, the semiconductor heat sink has several heat dissipation aluminum fins fixedly disposed at its bottom end, several copper heat-conducting fins fixedly disposed at its top end, and several insulating mounting plates fixedly disposed at both ends of the semiconductor heat sink.

[0008] Preferably, the bottom of the box body is provided with a stepped mounting groove that matches the semiconductor heat sink, and a sealing ring is provided inside the stepped mounting groove. The side of the bottom of the box body is provided with several screw holes that match the insulating mounting plate.

[0009] Preferably, a raised ring is fixedly provided on the side of the top of the box body, and an annular groove matching the raised ring is provided on the side of the bottom of the cover body, and a sealing ring II is provided inside the annular groove.

[0010] Preferably, the sides of both the box and the cover are fixedly provided with several bolt mounting supports.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] (1) In operation, by setting up an intelligent control alarm, temperature sensor and current transformer, the current can be monitored in real time. When the current is abnormal, the intelligent control alarm will be triggered to improve the safety of the photovoltaic junction box. The temperature sensor can monitor the internal temperature of the photovoltaic junction box.

[0013] (2) By setting up a heat dissipation mechanism consisting of a support frame, several cooling fans and semiconductor heat sinks, direct cooling of the inside of the photovoltaic junction box can be achieved, which can achieve rapid cooling and improve the safety of the components inside the photovoltaic junction box. By setting up heat dissipation aluminum fins, the heat dissipation effect of the hot end of the semiconductor heat sink can be improved. By setting up copper heat conduction sheets, the contact area with the inside of the box can be increased, thereby improving the heat dissipation efficiency.

[0014] (3) By setting a stepped mounting groove and sealing ring one, the semiconductor heat sink can be sealed and installed. By setting an insulating mounting plate and screw holes, the stability of the connection between the semiconductor heat sink and the box can be improved. By setting a convex ring, annular groove and sealing ring two, the sealing performance of the connection between the cover and the box can be improved, and condensation can be avoided by humid air entering the photovoltaic junction box. Attached Figure Description

[0015] The accompanying drawings are provided to further understand the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation thereof.

[0016] In the attached diagram:

[0017] Figure 1 This is a schematic diagram of the intelligent photovoltaic junction box with real-time current monitoring function according to this utility model;

[0018] Figure 2 This is a schematic diagram of the heat dissipation mechanism of this utility model;

[0019] Figure 3 This is a schematic diagram of the semiconductor heat sink structure of this utility model;

[0020] Figure 4 This is a schematic diagram of the connection structure between the box body and the lid of this utility model;

[0021] In the diagram: 1. Box body; 2. Cover body; 3. Rubber sealing sleeve; 4. Support frame; 5. Intelligent control alarm; 6. Temperature sensor; 7. Current transformer; 8. Heat dissipation mechanism; 9. Support frame; 10. Cooling fan; 11. Semiconductor heat sink; 12. Protective mesh cover one; 13. Protective mesh cover two; 14. Heat dissipation aluminum fins; 15. Copper heat-conducting sheet; 16. Insulating mounting plate; 17. Stepped mounting groove; 18. Sealing ring one; 19. Screw hole; 20. Raised ring; 21. Annular groove; 22. Sealing ring two; 23. Bolt mounting bracket. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0023] Depend on Figures 1 to 4 The present invention provides an intelligent photovoltaic junction box with real-time current monitoring function, comprising a box body 1, a cover 2 at the top of the box body 1, rubber sealing sleeves 3 fixedly installed on both sides of the box body 1, a support frame 4 fixedly installed inside the box body 1, an intelligent control alarm 5, a temperature sensor 6 and a current transformer 7 fixedly installed at the top of the support frame 4, and a heat dissipation mechanism 8 fixedly installed at the bottom of the box body 1.

[0024] The support frame 4 can install and fix the intelligent control alarm 5, temperature sensor 6, current transformer 7, diodes, terminals, etc. The current transformer 7 realizes real-time current monitoring, the temperature sensor 6 realizes temperature monitoring, and the intelligent control alarm 5 realizes intelligent control and alarm.

[0025] The heat dissipation mechanism 8 consists of a support frame 9, several cooling fans 10 and semiconductor heat sinks 11. The support frame 9 is fixedly connected to the bottom of the box body 1. The cooling fans 10 are fixedly connected to one end inside the support frame 9. The semiconductor heat sink 11 is embedded in the bottom of the box body 1 and located inside the support frame 9. The cold end of the semiconductor heat sink 11 is located inside the box body 1, and the hot end of the semiconductor heat sink 11 is located inside the support frame 9.

[0026] When the internal temperature of the housing 1 rises, the semiconductor heat sink 11 is activated. The cold end of the semiconductor heat sink 11 directly dissipates heat to the inside of the housing 1, effectively improving the heat dissipation efficiency. The hot end of the semiconductor heat sink 11 dissipates heat through the cooling fan 10.

[0027] One end of the support frame 9 is provided with a protective net cover 12, and the other end of the support frame 9 is provided with a protective net cover 23. Both the protective net cover 12 and the protective net cover 23 are arc-shaped structures, which can play a protective role.

[0028] The bottom end of the semiconductor heat sink 11 is fixedly provided with several heat dissipation aluminum fins 14, which can improve the heat dissipation efficiency of the hot end of the semiconductor heat sink 11. The top end of the semiconductor heat sink 11 is fixedly provided with several copper heat-conducting fins 15, which can increase the contact area between the cold end of the semiconductor heat sink 11 and the air inside the box 1. Both ends of the semiconductor heat sink 11 are fixedly provided with several insulating mounting plates 16, which can be firmly connected to the box 1 by bolts.

[0029] The bottom of the housing 1 is provided with a stepped mounting groove 17 that matches the semiconductor heat sink 11. A sealing ring 18 is provided inside the stepped mounting groove 17. Several screw holes 19 that match the insulating mounting plate 16 are provided on the side of the bottom of the housing 1, which can realize the installation of the semiconductor heat sink 11 and improve the installation sealing.

[0030] A raised ring 20 is fixedly provided on the side of the top of the box body 1, and an annular groove 21 matching the raised ring 20 is provided on the side of the bottom of the cover body 2. A sealing ring 22 is provided inside the annular groove 21, which can improve the sealing of the connection between the cover body 2 and the box body 1 and prevent humid air from entering and causing condensation.

[0031] Both the box body 1 and the cover body 2 are fixedly provided with several bolt mounting supports 23 on their sides, which can fix the box body 1 and the cover body 2 together by bolts.

[0032] During operation, the system is equipped with an intelligent control alarm, temperature sensor, and current transformer to monitor the current in real time. When the current is abnormal, the intelligent control alarm sounds, improving the safety of the photovoltaic junction box. The temperature sensor monitors the internal temperature of the junction box. A heat dissipation mechanism consisting of a support frame, several cooling fans, and semiconductor heat sinks enables direct cooling of the junction box's interior, achieving rapid cooling and improving the safety of internal components. Aluminum fins enhance the heat dissipation effect of the semiconductor heat sink's hot end, while copper heat-conducting fins increase the contact area with the box's interior, further improving heat dissipation efficiency. A stepped mounting groove and sealing ring one ensure a sealed installation of the semiconductor heat sink. An insulating mounting plate and screw holes improve the stability of the connection between the semiconductor heat sink and the box. A raised ring, annular groove, and sealing ring two enhance the sealing of the cover and box, preventing condensation from entering the photovoltaic junction box.

Claims

1. An intelligent photovoltaic junction box with real-time current monitoring function, comprising a box body (1), characterized in that: The top of the box (1) is provided with a cover (2), and rubber sealing sleeves (3) are fixedly provided on both sides of the box (1). A support frame (4) is fixedly provided inside the box (1). A smart control alarm (5), a temperature sensor (6) and a current transformer (7) are fixedly provided at the top of the support frame (4). A heat dissipation mechanism (8) is fixedly provided at the bottom of the box (1). The heat dissipation mechanism (8) consists of a support frame (9), several cooling fans (10) and a semiconductor heat sink (11). The support frame (9) is fixedly connected to the bottom of the box (1). The cooling fans (10) are fixedly connected to one end inside the support frame (9). The semiconductor heat sink (11) is embedded in the bottom of the box (1) and located inside the support frame (9). The cold end of the semiconductor heat sink (11) is located inside the box (1), and the hot end of the semiconductor heat sink (11) is located inside the support frame (9).

2. The intelligent photovoltaic junction box with real-time current monitoring function according to claim 1, characterized in that: One end of the support frame (9) is provided with a protective net cover one (12), and the other end of the support frame (9) is provided with a protective net cover two (13). Both the protective net cover one (12) and the protective net cover two (13) are arc-shaped structures.

3. The intelligent photovoltaic junction box with real-time current monitoring function according to claim 1, characterized in that: The semiconductor heat sink (11) has several heat dissipation aluminum fins (14) fixedly arranged at its bottom end, several copper heat-conducting plates (15) fixedly arranged at its top end, and several insulating mounting plates (16) fixedly arranged at both ends of the semiconductor heat sink (11).

4. The intelligent photovoltaic junction box with real-time current monitoring function according to claim 1, characterized in that: The bottom end of the box (1) is provided with a stepped mounting groove (17) that matches the semiconductor heat sink (11). A sealing ring (18) is provided inside the stepped mounting groove (17). Several screw holes (19) that match the insulating mounting plate (16) are provided on the side of the bottom end of the box (1).

5. The intelligent photovoltaic junction box with real-time current monitoring function according to claim 1, characterized in that: A protruding ring (20) is fixedly provided on the side of the top of the box body (1), and an annular groove (21) matching the protruding ring (20) is opened on the side of the bottom of the cover body (2). A sealing ring (22) is provided inside the annular groove (21).

6. The intelligent photovoltaic junction box with real-time current monitoring function according to claim 1, characterized in that: Both the box body (1) and the cover body (2) are fixedly provided with several bolt mounting supports (23) on their sides.

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