CN219678409U

CN219678409U - Photovoltaic junction box with heat radiation structure

Info

Publication number: CN219678409U
Application number: CN202321100976.7U
Authority: CN
Inventors: 刘际伟; 邱伟民; 杨启发
Original assignee: Guangdong Nanyue New Energy Development Co ltd
Current assignee: Guangdong Nanyue New Energy Development Co ltd
Priority date: 2023-05-09
Filing date: 2023-05-09
Publication date: 2023-09-12
Anticipated expiration: 2033-05-09

Abstract

The utility model discloses a photovoltaic junction box with a heat radiation structure, which relates to the technical field of photovoltaic junction boxes and comprises a junction box body, wherein a heat radiation device is arranged at the upper end of the junction box body, a photovoltaic wire connector is arranged on the side edge of the junction box body, and the heat radiation device comprises: the heat dissipation assembly, dustproof auxiliary assembly and upper clamping cover. The utility model discloses a photovoltaic junction box with a heat dissipation structure, wherein a dustproof ventilation net is used for simply filtering and intercepting large-particle dust in gas entering and exiting from a ventilation opening and a ventilation opening, so that excessive dust is prevented from accumulating in the junction box body in the process of gas replacement, the later maintenance difficulty of the junction box body is increased, when the dust is accumulated after the dustproof ventilation net is used for a long time to influence the heat dissipation of the junction box body, the dustproof ventilation net can be taken out for cleaning and replacing by disassembling a magnetic dust-absorbing baffle plate, and the installation and the disassembly of the dustproof ventilation net are simple and convenient, so that the cleaning difficulty of the assembly is further reduced while the dustproof effect of the assembly is improved.

Description

Photovoltaic junction box with heat radiation structure

Technical Field

The utility model relates to the technical field of photovoltaic junction boxes, in particular to a photovoltaic junction box with a heat dissipation structure.

Background

The solar battery matrix and the solar charging control device are connected, the solar battery module is connected with the solar battery module, the electric power generated by the solar battery module is connected with an external circuit, the current generated by the photovoltaic module is conducted, the inside operation of the box body is easy to generate higher temperature when the photovoltaic junction box works for a long time, the inside circuit of the photovoltaic junction box is easy to be aged at higher temperature in the photovoltaic junction box, the service life of the photovoltaic junction box is greatly reduced, the existing cooling mode adopted by the photovoltaic junction box is the cooling mode of opening holes for cooling and radiating, the cooling mode of opening holes for cooling and radiating can cool the inside and outside air of the photovoltaic junction box by exchanging, but the cooling mode is slower in cooling speed, the cooling mode is inapplicable under the environment with overhigh temperature, and the opening holes are more without dust shielding components to easily enter more dust to block cooling holes, so that the cooling efficiency is reduced, and the problem of high cleaning difficulty exists.

Accordingly, a photovoltaic junction box having a heat dissipation structure is provided by a person skilled in the art to solve the above-mentioned problems in the background art.

Disclosure of Invention

The utility model aims to provide a photovoltaic junction box with a heat dissipation structure so as to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a photovoltaic terminal box with heat radiation structure, includes the terminal box body, terminal box body upper end is equipped with heat abstractor, photovoltaic line connects are installed to terminal box body side, heat abstractor by: the dustproof auxiliary assembly is arranged on the side edge of the upper clamping cover, and the radiating assembly is arranged in the upper clamping cover.

As still further aspects of the present utility model, the heat dissipation assembly includes: vent, last fixed power strip and micro motor, micro motor upper end fixed mounting is in last fixed power strip lower extreme, radiator fan is installed to micro motor output, last fixed power strip outer wall is installed at last cassette lid upper end inner wall, the vent is seted up at last cassette lid side.

As still further aspects of the present utility model, the dustproof subsidiary assembly includes: the protection frame, equipment bolt and second bolt hole, ventilative mouth has been seted up to protection frame both sides, the buckle groove is inhaled to the magnetism has been seted up in the protection frame, the magnetism is inhaled buckle inslot demountable installation and is inhaled dustproof baffle, both ends are installed dustproof ventilative net around the dustproof baffle of magnetism, first bolt hole has been seted up to the inside lower extreme of protection frame, the second bolt hole is seted up in terminal box body upper end.

As still further scheme of the utility model, the lower ends of the assembling bolts are detachably arranged in the second bolt holes and the first bolt holes, and the dustproof auxiliary assembly is provided with two groups.

As a still further scheme of the utility model, two groups of protection frames and ventilation openings are respectively arranged, and the two groups of protection frames are respectively and fixedly arranged at the outer sides of the two groups of ventilation openings.

As a still further scheme of the utility model, the miniature motor and the cooling fans are provided with a plurality of groups, and the intervals of the plurality of groups of cooling fans are the same.

As a still further proposal of the utility model, the length and the width of the upper end of the junction box body are the same as the length and the width of the lower end of the upper clamping cover, and the length and the width of the lower end of the junction box body are smaller than the length and the width of the upper end of the junction box body.

As a still further scheme of the utility model, the second bolt hole, the first bolt hole and the assembling bolt are all provided with a plurality of groups, and the photovoltaic wire joint is provided with two groups.

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

1. through setting up radiator unit, multiunit radiator fan rotates simultaneously and can rotate the gaseous in the terminal box body and discharge, carries into the outside gaseous rotation of terminal box body and exchanges and spill heat, and the inside exchange of terminal box body spills the heat work and has solved the problem that terminal box body temperature is too high, thereby the problem that causes terminal box body life greatly reduced because of terminal box body internal temperature is ageing with higher speed to the circuit that causes in the terminal box body is too high has effectually avoided, and this subassembly carries out work simultaneously through multiunit radiator fan and has further accelerated the radiating efficiency of this subassembly.

2. Through setting up dustproof auxiliary assembly, inside and outside air need be through ventilative mouth and vent when carrying out the replacement, dustproof ventilative net can carry out dustproof filtration to it when inside and outside air passes through ventilative mouth and vent replacement, dustproof ventilative net carries out simple filtration interception to the big granule dust in the gas of ventilative mouth and vent business turn over and has avoided too much dust to pile up in the terminal box body at the in-process of gas replacement, the maintenance degree of difficulty at the terminal box body later stage is increased, pile up more dust when the terminal box body heat dissipation is influenced to dustproof ventilative net after long-time use accessible dismantlement magnetism inhale dustproof baffle and take out dustproof ventilative net and clean change work, dustproof ventilative net installation and dismantlement are simple convenient when improving this subassembly dustproof effect further reduce the clean degree of difficulty of this subassembly.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a photovoltaic junction box with a heat dissipation structure;

FIG. 2 is a schematic diagram of a heat dissipating device of a photovoltaic junction box with a heat dissipating structure;

FIG. 3 is a schematic view of a heat dissipating assembly of a photovoltaic junction box with a heat dissipating structure;

fig. 4 is a schematic structural view of a dustproof auxiliary component of a photovoltaic junction box with a heat dissipation structure.

In the figure: 1. a junction box body; 2. a heat sink; 21. a heat dissipation assembly; 211. a vent; 212. a power panel is fixed on the upper part; 213. a micro motor; 214. a heat radiation fan; 22. a dust-proof auxiliary component; 221. a protective frame; 222. a ventilation port; 223. a magnetic clamping groove; 224. assembling a bolt; 225. a first bolt hole; 226. a second bolt hole; 227. a magnetic dust-proof baffle; 228. a dustproof ventilation net; 23. a clamping cover is arranged; 3. photovoltaic wire connector.

Detailed Description

Referring to fig. 1-2, in an embodiment of the present utility model, a photovoltaic junction box with a heat dissipation structure includes a junction box body 1, a heat dissipation device 2 is disposed at an upper end of the junction box body 1, a photovoltaic wire connector 3 is mounted on a side edge of the junction box body 1, and the heat dissipation device 2 is formed by: the dustproof auxiliary assembly 22 is arranged on the side edge of the upper clamping cover 23, the radiating assembly 21 is arranged inside the upper clamping cover 23, the length and the width of the upper end of the junction box body 1 are identical to those of the lower end of the upper clamping cover 23, and the length and the width of the lower end of the junction box body 1 are smaller than those of the upper end of the junction box body 1.

As shown in fig. 3, the heat dissipation assembly 21 includes: the miniature motor 213 is fixedly arranged at the lower end of the upper fixed power panel 212, a cooling fan 214 is arranged at the output end of the miniature motor 213, the outer wall of the upper fixed power panel 212 is arranged on the inner wall of the upper end of the upper clamping cover 23, the vent 211 is arranged on the side edge of the upper clamping cover 23, a plurality of groups of miniature motors 213 and cooling fans 214 are arranged, and the intervals of the plurality of groups of cooling fans 214 are the same; when the assembly is used, the lower end of the upper clamping cover 23 and the upper end of the junction box body 1 are required to be installed firstly, the miniature motor 213 is started after the upper clamping cover 23 is installed, the miniature motor 213 is started and then drives the cooling fans 214 installed at the output end to rotate, the plurality of groups of cooling fans 214 simultaneously rotate and can rotationally discharge gas in the junction box body 1, the gas outside the junction box body 1 is rotationally brought into exchanging and heat spreading, the problem that the temperature of the junction box body 1 is too high is solved by the heat spreading work of the internal exchanging of the junction box body 1, the problem that the service life of the junction box body 1 is greatly reduced due to the fact that the internal circuit of the junction box body 1 is accelerated and aged due to the fact that the temperature in the junction box body 1 is too high is effectively avoided, and the assembly further accelerates the heat spreading efficiency of the assembly through the simultaneous operation of the plurality of groups of cooling fans 214.

As shown in fig. 4, the dustproof subsidiary assembly 22 includes: the protection frame 221, the assembly bolt 224 and the second bolt hole 226, ventilative mouth 222 has been seted up to protection frame 221 both sides, the buckle groove 223 is inhaled to magnetism has been seted up to the magnetism in the protection frame 221, detachable mounting has magnetism to inhale dustproof baffle 227 in the buckle groove 223, dustproof ventilative net 228 is installed to both ends around the dustproof baffle 227 is inhaled to magnetism, first bolt hole 225 has been seted up to the inside lower extreme of protection frame 221, second bolt hole 226 is seted up at terminal box body 1 upper end, second bolt hole 226, first bolt hole 225 and assembly bolt 224 all are equipped with the multiunit, photovoltaic line joint 3 is equipped with two sets of, protection frame 221 and vent 211 all are equipped with two sets of, and two sets of protection frame 221 fixed mounting respectively are in two sets of vent 211 outsides, assembly bolt 224 lower extreme detachable mounting is in second bolt hole 226 and first bolt hole 225, dustproof auxiliary assembly 22 is equipped with two sets of; this subassembly uses and needs to inhale dustproof baffle 227 group earlier in magnetism inhale buckle inslot 223, magnetism inhale dustproof baffle 227 accomplish the equipment back with last cassette 23 and pass through second bolt hole 226 and first bolt hole 225 in proper order through assembling bolt 224, assembling bolt 224 accomplishes the work back that runs through and goes up cassette 23 and accomplish the equipment work, heat dissipation module 21 accessible radiator fan 214 carries out rotatory replacement with the inside and outside air of terminal box body 1 and dispels the heat, inside and outside air need pass through ventilative port 222 and vent 211 when carrying out the replacement, inside and outside air need pass through ventilative port 222 and vent 211 replacement time dustproof ventilative screen 228 can carry out dustproof filtration to it, dustproof ventilative screen 228 has avoided too much dust to pile up in terminal box body 1 at the in-process of gas replacement, the maintenance in the later stage of terminal box body 1 has been increased to the dust, it is clear work to dismantle dustproof screen 228 through dismantling ventilative screen 228 when dustproof screen 228 is piled more after long-time use and influences terminal box body 1 heat dissipation, dustproof screen 228 is taken out clean and is changed, dustproof screen 228 can carry out the dust removal when ventilative screen 228 is replaced through ventilative port 222 and vent 211 replacement, dustproof screen 228 can carry out simple filtration to the air-proof screen in the air vent assembly has improved this convenient effect of this dustproof assembly of 228.

The working principle of the utility model is as follows: when the assembly is used, the lower end of the upper clamping cover 23 is required to be installed with the upper end of the junction box body 1, the miniature motor 213 is started after the upper clamping cover 23 is installed, the miniature motor 213 is started and then drives the cooling fans 214 installed at the output end to rotate, a plurality of groups of cooling fans 214 can simultaneously rotate and discharge air in the junction box body 1, the air outside the junction box body 1 is brought into rotation to exchange and scatter heat, the assembly is required to be assembled in the magnetic clamping buckle groove 223 firstly, the magnetic clamping dust baffle 227 penetrates through the second bolt hole 226 and the first bolt hole 225 sequentially after the assembly is completed, the upper clamping cover 23 is completed after the assembly bolt 224 is completed to penetrate through the second bolt hole 226 and the first bolt hole 225, the upper clamping cover 23 is completed to perform assembly work, the cooling assembly 21 can rotate and replace air inside and outside the junction box body 1 through the cooling fans 214 after the assembly of the upper clamping cover 23 is completed, the inside and outside air is required to pass through the ventilation openings 222 and 211 when the inside and outside air are replaced through the ventilation openings 222 and the ventilation net 228, the dust filtering can be performed on the dust filtering is performed on the dust filtering net 228 when the dust is used for simply intercepting dust particles in the ventilation openings 222 and the large air inlet and the ventilation openings 211.

The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a photovoltaic terminal box with heat radiation structure, includes terminal box body (1), its characterized in that: the photovoltaic cable connector is characterized in that a heat radiating device (2) is arranged at the upper end of the junction box body (1), a photovoltaic cable connector (3) is arranged on the side edge of the junction box body (1), and the heat radiating device (2) comprises: the dustproof auxiliary assembly (22) is arranged on the side edge of the upper clamping cover (23), and the radiating assembly (21) is arranged in the upper clamping cover (23).

2. A photovoltaic junction box with heat dissipation structure according to claim 1, characterized in that said heat dissipation assembly (21) comprises: vent (211), go up fixed power strip (212) and micro-motor (213), micro-motor (213) upper end fixed mounting is in last fixed power strip (212) lower extreme, radiator fan (214) are installed to micro-motor (213) output, last fixed power strip (212) outer wall is installed at last cassette lid (23) upper end inner wall, vent (211) are seted up at last cassette lid (23) side.

3. The photovoltaic junction box with heat dissipation structure according to claim 1, characterized in that the dustproof auxiliary assembly (22) comprises: protection frame (221), equipment bolt (224) and second bolt hole (226), ventilative mouth (222) have been seted up to protection frame (221) both sides, set up in protection frame (221) magnetism and inhale buckle groove (223), demountable installation has magnetism to inhale dustproof baffle (227) in buckle groove (223), both ends are installed dustproof ventilative net (228) around the dustproof baffle (227) are inhaled to magnetism, first bolt hole (225) have been seted up to protection frame (221) inside lower extreme, second bolt hole (226) are seted up in terminal box body (1) upper end.

4. A photovoltaic junction box with heat dissipation structure according to claim 3, characterized in that the lower ends of the assembling bolts (224) are detachably mounted in the second bolt holes (226) and the first bolt holes (225), and the dustproof auxiliary assembly (22) is provided with two groups.

5. A photovoltaic junction box with a heat dissipation structure according to claim 3, wherein two groups of protection frames (221) and ventilation openings (211) are respectively provided, and the two groups of protection frames (221) are respectively and fixedly installed outside the two groups of ventilation openings (211).

6. The photovoltaic junction box with the heat dissipation structure according to claim 2, wherein the micro motor (213) and the heat dissipation fans (214) are provided with a plurality of groups, and the intervals of the plurality of groups of heat dissipation fans (214) are the same.

7. The photovoltaic junction box with the heat dissipation structure according to claim 1, wherein the length and the width of the upper end of the junction box body (1) are the same as the length and the width of the lower end of the upper clamping cover (23), and the length and the width of the lower end of the junction box body (1) are smaller than the length and the width of the upper end of the junction box body (1).

8. A photovoltaic junction box with heat dissipation structure according to claim 3, characterized in that the second bolt hole (226), the first bolt hole (225) and the assembly bolt (224) are all provided with multiple groups, and the photovoltaic line connector (3) is provided with two groups.