CN208707592U

CN208707592U - A kind of photovoltaic junction box improving radiating efficiency

Info

Publication number: CN208707592U
Application number: CN201821392555.5U
Authority: CN
Inventors: 盛斌
Original assignee: Huzhou Jingsheng New Energy Co Ltd
Current assignee: Huzhou Jingsheng New Energy Co Ltd
Priority date: 2018-08-28
Filing date: 2018-08-28
Publication date: 2019-04-05
Anticipated expiration: 2028-08-28

Abstract

The utility model discloses a kind of photovoltaic junction boxes for improving radiating efficiency, including box body and box cover, the inner bottom surface of the box body offers several heat release holes, the heat release hole is uniformly distributed on the bottom surface of tray interior, there are four parallel binding posts for installation on the top surface of the inside of the box body, the bottom surface side of tray interior is equipped with connection circuitry, the binding post and connection circuitry are wrapped up by water pipe, the water pipe is fixedly mounted on box body, and one end of the box body one side is fixedly installed with water filling port and water outlet.A kind of photovoltaic junction box improving radiating efficiency described in the utility model, by installing special device, to have the function that balance temperature and environment temperature in box, temperature in box is reduced, the risk of terminal box damage is reduced, using Water Cooling Technology, equipped with water inlet and water outlet, temperature in box is taken away using the big advantage of the specific heat capacity of water, while the design of box internal fan is also that can radiate by driving air circulation for entire box body.

Description

A kind of photovoltaic junction box improving radiating efficiency

Technical field

The utility model relates to photovoltaic junction box field, in particular to a kind of photovoltaic junction box for improving radiating efficiency.

Background technique

Photovoltaic junction box is the solar cell array constituted between solar cell module and solar charging electric control dress Connector between setting, what it was that collection electrical design, a Machine Design are combined with material science cross-cutting comprehensive sets Meter, the power of photovoltaic junction box is in standard conditions: 25 degree of temperature, testing out under AM1.5,1000W/M2, generally uses WP It indicates, can also be indicated with W, shell is produced using import high-grade materials, has high anti-aging, ultraviolet-resistant capacity; Can as needed can any built-in 2 ~ 6 connecting terminals, and all connection types are connected using connecing plug-in type mode fastly, The use being primarily adapted for use under outdoor production time severe environmental conditions is up to 25 years or more, diode in terminal box using actual effect It is increasing in particular with efficient component output electric current no matter can all generate heat in bypass or reversely by state, Calorific value in terminal box when diode operation generally also can be increasing, shows according to correlative study, two poles in some terminal boxes When pipe by-path turn-on works, the surface temperature of diode has reached 170 degree or higher, is greater than terminal box when diode generates heat After cooling capacity, temperature rise and leakage current will cause diode breakdown, this phenomenon is defined as thermal runaway, the electricity of especially efficient component Flow it is bigger, generate heat it is more severe, just it should be further noted that terminal box heat dissipation, could ensure in this way diode at high temperature lead to Overcurrent capability and its long-term reliability of guarantee, meanwhile, the terminal box of good radiating structure can also be in the premise for guaranteeing quality The lower volume for reducing terminal box, reduces the cost of terminal box, and electric current and temperature influence silicon-based diode and work reliably and with long-term Key factor, terminal box are the unique circuit accesses for connecting photovoltaic cell and system, and the only work of terminal box reliably and with long-term is The reliable and stable power generation of system ability, for this purpose, we have proposed a kind of photovoltaic junction boxes for improving radiating efficiency.

Utility model content

The main purpose of the utility model is to provide a kind of photovoltaic junction boxes for improving radiating efficiency, can effectively solve The problems in background technique.

To achieve the above object, the technical solution that the utility model is taken are as follows:

A kind of photovoltaic junction box improving radiating efficiency, including box body and box cover, the inner bottom surface of the box body offer Several heat release holes, the heat release hole are uniformly distributed on the bottom surface of tray interior, are installed on the top surface of the inside of the box body There are four parallel binding post, the bottom surface side of tray interior is equipped with connection circuitry, and the binding post and connection circuitry are by water Pipe package, the water pipe are fixedly mounted on box body, and one end of the box body one side is fixedly installed with water filling port and water outlet, One end of the water pipe is connect with water filling port, and the other end of water pipe is connect with water outlet, is fixedly installed at the top of the box body Connection jaws, the front of the box body, the back side and other two side top, be fixedly installed with several it is lower buckle, the box The bottom end in the front of lid, the back side and other two side is fixedly installed on several and buckles, and passes through upper buckle and lower buckle Box cover is mounted on box body by detent, and the top surface inside the box cover is fixedly mounted there are two fan, and the top surface of the box cover is solid There are two motors for Dingan County's dress.

Preferably, the output end of the motor is fixedly connected with the flabellum of fan.

Preferably, the contact surface of the motor and box cover is equipped with several tapped through holes, if the top surface of box cover is equipped with a spiral shell Line through-hole is each passed through the tapped through hole at the top of tapped through hole and box cover on motor with screw, by motor and the fixed company of box cover It connects.

Preferably, the contact surface of the fan and box cover, is equipped with several tapped through holes, and screw is each passed through on fan Fan is fixedly connected by the tapped through hole at the top of tapped through hole and box cover with box cover.

Preferably, one end of the connection jaws is tapped, and box body offers tapped through hole, and connection jaws pass through itself Screw thread is threadedly coupled with box body, and the specification of two fans is identical, and the specification of two motors is identical.

Compared with prior art, the utility model has the following beneficial effects: being linked up in box by installation special device Outside, to have the function that balance temperature and environment temperature in box, temperature in box is reduced, the risk of terminal box damage is reduced, is used Water Cooling Technology is equipped with water inlet and water outlet, takes away temperature in box using the big advantage of the specific heat capacity of water, while box internal fan Design be also by drive air circulation, can for entire box body radiate, not only design realize entire tray interior and The function of external Dual high-efficiency heat dissipation, will not influence the leakproofness of entire box body.

Detailed description of the invention

Fig. 1 is a kind of overall structure diagram for the photovoltaic junction box for improving radiating efficiency of the utility model；

Fig. 2 is the structural schematic diagram of the utility model box body；

Fig. 3 is the structural schematic diagram of the utility model box cover；

Fig. 4 is the top view of the utility model box cover.

In figure: 1, box body；2, lower buckle；3, heat release hole；4, binding post；5, water pipe；6, connection jaws；7, water outlet；8, it infuses The mouth of a river；9, connection circuitry；10, box cover；11, fan；12, upper buckle；13, motor.

Specific embodiment

To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below In conjunction with specific embodiment, the utility model is further described.

As shown in Figs 1-4, a kind of photovoltaic junction box improving radiating efficiency, including box body 1 and box cover 10, box body 1 it is interior Portion bottom surface offers several heat release holes 3, and heat release hole 3 is uniformly distributed on the bottom surface inside box body 1, the top of the inside of box body 1 There are four parallel binding post 4, the bottom surface side inside box body 1 is equipped with connection circuitry 9, binding post 4 and wiring for installation on face Route 9 is wrapped up by water pipe 5, and water pipe 5 is fixedly mounted on box body 1, and one end of 1 one side of box body is fixedly installed with 8 He of water filling port One end of water outlet 7, water pipe 5 is connect with water filling port 8, and the other end of water pipe 5 is connect with water outlet 7, the fixed peace in the top of box body 1 Equipped with connection jaws 6, the front of box body 1, the back side and other two side top, be fixedly installed with several lower buckles 2, box cover The bottom end in 10 front, the back side and other two side, which is fixedly installed on several, buckles 12, passes through upper buckle 12 and lower card The detent of button 2, box cover 10 is mounted on box body 1, and the top surface inside box cover 10 is fixedly mounted there are two fan 11, box cover 10 There are two motors 13 for top surface fixed installation.

The output end of motor 13 is fixedly connected with the flabellum of fan 11, the contact surface of motor 13 and box cover 10, is equipped with several A tapped through hole, if the top surface of box cover 10 is equipped with a tapped through hole, the tapped through hole and box being each passed through on motor 13 with screw The tapped through hole at 10 top of lid, motor 13 is fixedly connected, the contact surface of fan 11 and box cover 10 with box cover 10, is equipped with several Tapped through hole, screw is each passed through the tapped through hole at 10 top of tapped through hole and box cover on fan 11, by fan 11 and box cover 10 are fixedly connected, and one end of connection jaws 6 is tapped, and box body 1 offers tapped through hole, the screw thread that connection jaws 6 pass through itself It is threadedly coupled with box body 1, the specification of two fans 11 is identical, and the specification of two motors 13 is identical.

It should be noted that the utility model is a kind of photovoltaic junction box for improving radiating efficiency, pass through 12 Hes of upper buckle Box cover 10 and box body 1 are connected by the detent of lower buckle 2, when photovoltaic connects the work of electric box, are infused by water filling port 8 into water pipe 5 Water, water flow flow through binding post 4 and connection circuitry 9 and flow out finally by water outlet 7, ensure that the temperature-resistant of water flow, start horse Up to 13, motor 13 drives the rotation of fan 11, and the hot wind of blowout passes through the heat release hole 3 of 1 bottom surface of box body, and outflow is extraneous.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model Claimed range is defined by the appending claims and its equivalent thereof.

Claims

1. a kind of photovoltaic junction box for improving radiating efficiency, including box body (1) and box cover (10), which is characterized in that the box body (1) inner bottom surface offers several heat release holes (3), and the heat release hole (3) is uniformly divided on the internal bottom surface of box body (1) Cloth, there are four parallel binding post (4), the internal bottom surface side peaces of box body (1) for installation on the top surface of the inside of the box body (1) Equipped with connection circuitry (9), the binding post (4) and connection circuitry (9) are wrapped up by water pipe (5), and the water pipe (5) is fixedly mounted on On box body (1), one end of box body (1) one side is fixedly installed with water filling port (8) and water outlet (7), the water pipe (5) One end is connect with water filling port (8), and the other end of water pipe (5) is connect with water outlet (7), and the top of the box body (1) is fixedly mounted Have connection jaws (6), the front of the box body (1), the back side and other two side top, be fixedly installed with several and lower buckle (2), the front, the back side of the box cover (10) and the bottom end of other two side are fixedly installed with buckle (12) on several, lead to The detent for crossing buckle (12) and lower buckle (2), box cover (10) is mounted on box body (1), the internal top of the box cover (10) There are two fan (11) for face fixed installation, and there are two motor (13) for the top surface fixed installation of the box cover (10).

2. a kind of photovoltaic junction box for improving radiating efficiency according to claim 1, it is characterised in that: the motor (13) Output end be fixedly connected with the flabellum of fan (11).

3. a kind of photovoltaic junction box for improving radiating efficiency according to claim 1, it is characterised in that: the motor (13) With the contact surface of box cover (10), be equipped with several tapped through holes, box cover (10) if top surface be equipped with a tapped through hole, with screw point Not Chuan Guo tapped through hole at the top of the tapped through hole and box cover (10) on motor (13), connect motor (13) and box cover (10) are fixed It connects.

4. a kind of photovoltaic junction box for improving radiating efficiency according to claim 1, it is characterised in that: the fan (11) With the contact surface of box cover (10), several tapped through holes are equipped with, screw is each passed through tapped through hole and box cover on fan (11) (10) fan (11) is fixedly connected by the tapped through hole at the top of with box cover (10).

5. a kind of photovoltaic junction box for improving radiating efficiency according to claim 1, it is characterised in that: the connection jaws (6) one end is tapped, and box body (1) offers tapped through hole, the screw thread and box body (1) spiral shell that connection jaws (6) pass through itself Line connection, the specification of two fans (11) is identical, and the specification of two motors (13) is identical.