CN210351081U

CN210351081U - Quick heat radiation structure of photovoltaic terminal box

Info

Publication number: CN210351081U
Application number: CN201921615346.7U
Authority: CN
Inventors: 吴宏付
Original assignee: Suzhou Kangjie Plastic Technology Co Ltd
Current assignee: Suzhou Kangjie Plastic Technology Co Ltd
Priority date: 2019-09-26
Filing date: 2019-09-26
Publication date: 2020-04-17
Anticipated expiration: 2029-09-26

Abstract

The utility model discloses a quick heat radiation structure of photovoltaic terminal box, including mounting box, support and top cap, the mounting box is the rectangle structure, just mounting box bottom face is provided with the support, the equal screw thread through connection in support bottom face four corners has fastening bolt, just the internal thread hole with fastening bolt threaded connection is all seted up in mounting box bottom face four corners, the week side of support and the week side outer wall parallel and level of mounting box, the inside mounting groove of having seted up of support, and be provided with radiator fan in the mounting groove, radiator fan's week side inner wall is provided with the connecting plate, just the connecting plate passes through the mounting groove inner wall screw thread through connection of bolt and support, the through-hole that is used for the radiator fan cooperation to use is seted up to the bottom face of mounting box, the inside circuit board that is used for photovoltaic circuit to. This quick heat radiation structure of photovoltaic terminal box, the heat dissipation of the circuit board of being convenient for, and the thermal discharge of being convenient for prevents that high temperature from damaging the circuit.

Description

Quick heat radiation structure of photovoltaic terminal box

Technical Field

The utility model belongs to the technical field of the photovoltaic terminal box, concretely relates to quick heat radiation structure of photovoltaic terminal box.

Background

The photovoltaic is a solar photovoltaic power generation system for short, is a novel power generation system which directly converts solar radiation energy into electric energy by utilizing the photovoltaic effect of a solar cell semiconductor material and has two modes of independent operation and grid-connected operation. Meanwhile, solar photovoltaic power generation systems are classified, and one is centralized, such as a large northwest ground photovoltaic power generation system; the other is distributed, such as a factory building roof photovoltaic power generation system of an industrial and commercial enterprise and a residential roof photovoltaic power generation system.

Photovoltaic panel assemblies are power generation devices that produce direct current upon exposure to sunlight and are comprised of thin solid photovoltaic cells made almost entirely of semiconductor materials. Because there are no moving parts, it can be operated for a long time without causing any loss. The photovoltaic junction box is required to be connected through the junction box in use, the existing junction box is usually closed, a heat dissipation structure is lacked, and a circuit is easily damaged.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a quick heat radiation structure of photovoltaic terminal box to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a quick heat dissipation structure of a photovoltaic junction box comprises an installation box, supports and a top cover, wherein the installation box is of a rectangular structure, the supports are arranged on the bottom end face of the installation box, fastening bolts penetrate through four corners of the bottom end face of each support in a threaded manner, and internal thread holes in threaded connection with the fastening bolts are formed in the four corners of the bottom end face of the installation box;

the utility model discloses a photovoltaic power generation installation box, including mounting box, support week side and the mounting box, the supporting seat is inside to have seted up the mounting groove, and is provided with radiator fan in the mounting groove, radiator fan's all sides inner wall is provided with the connecting plate, just the connecting plate passes through the mounting groove inner wall screw thread through connection of bolt with the support, the through-hole that is used for radiator fan cooperation to use is offered to the bottom face of mounting box, the inside circuit board that is used for photovoltaic circuit to connect that is provided with of mounting box, just circuit board bottom face sets up with radiator fan is perpendicular, mounting box bottom inner wall is provided with the slope, N exhaust hole of.

Preferably, the two sides of the circuit board are symmetrically and fixedly welded with T-shaped connecting rods, and the two T-shaped connecting rods are connected with one end rod piece far away from the circuit board through a bolt and a thread penetrating connection on the inner wall of the mounting box.

Preferably, mounting box both sides face all through connection has two sets of threading pipes, and is two sets of threading pipe outer wall all is provided with the external screw thread, just the one end fixed weld that the threading pipe is located the mounting box inside has solid fixed ring, the external screw thread wall threaded connection of threading pipe has the spacing ring, just the spacing ring is located the mounting box outside.

Preferably, the support is far away from one side of mounting box and is located the mounting groove and has the filter screen through screw fixed mounting.

Preferably, the top end face of the mounting box is fixedly provided with a top cover through bolt threads, and an aluminum plate for heat conduction is embedded in the middle of the top cover.

The utility model discloses a technological effect and advantage: according to the rapid heat dissipation structure of the photovoltaic junction box, the heat dissipation fan, the connecting plate, the through hole, the inclined slope and the exhaust hole are arranged, the heat dissipation fan is used for dissipating heat of the circuit board from the through hole, airflow flows to the upper side of the circuit board from the inclined slope and exhausts heat from the exhaust hole, heat dissipation of the circuit board is facilitated, heat is exhausted conveniently, and the circuit is prevented from being damaged by high temperature; the T-shaped connecting rod and the circuit board are arranged, and the circuit board is erected in the middle of the mounting box through the T-shaped connecting rod, so that air can flow conveniently; the photovoltaic lead wire fixing device is characterized in that the lead wire is provided with a lead wire pipe, a fixing ring and a limiting ring, the limiting ring is in external thread fit with the lead wire pipe, and the fixing ring and the limiting ring limit and fix the lead wire pipe, so that the lead wire is prevented from loosening and is convenient for photovoltaic lead wire fixing; this quick heat radiation structure of photovoltaic terminal box, the heat dissipation of the circuit board of being convenient for, and the thermal discharge of being convenient for prevents that high temperature from damaging the circuit.

Drawings

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

fig. 2 is a sectional view of the mounting box of the present invention;

fig. 3 is a schematic view of the threading tube of the present invention.

In the figure: the mounting structure comprises a mounting box 1, a support 2, a top cover 3, a threading pipe 4, a limiting ring 5, an aluminum plate 6, an exhaust hole 7, a filter screen 8, a cooling fan 9, a connecting plate 10, a through hole 11, an inclined slope 12, a circuit board 13, a T-shaped connecting rod 14, a fixing ring 15 and a fastening bolt 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

The utility model provides a quick heat dissipation structure of a photovoltaic junction box as shown in figures 1-3, which comprises an installation box 1, a support 2 and a top cover 3, wherein the installation box 1 is in a rectangular structure, the support 2 is arranged on the bottom end surface of the installation box 1, four corners of the bottom end surface of the support 2 are all in threaded through connection with fastening bolts 16, and four corners of the bottom end surface of the installation box 1 are all provided with internal thread holes in threaded connection with the fastening bolts 16;

the peripheral side of the support 2 is flush with the peripheral side outer wall of the mounting box 1, a mounting groove is formed in the support 2, a heat radiation fan 9 is arranged in the mounting groove, a connecting plate 10 is arranged on the peripheral side inner wall of the heat radiation fan 9, the connecting plate 10 is in threaded through connection with the mounting groove inner wall of the support 2 through a bolt, a through hole 11 for the cooperation use of the heat radiation fan 9 is formed in the bottom end face of the mounting box 1, a circuit board 13 for the connection of a photovoltaic circuit is arranged in the mounting box 1, the bottom end face of the circuit board 13 is perpendicular to the heat radiation fan 9, an inclined slope 12 is arranged on the bottom inner wall of the mounting box 1, N groups of exhaust holes 7 are symmetrically formed in the two sides of the top of the mounting box 1, the heat radiation fan 9 radiates the circuit board 13 from the through hole 11, heat dissipation of the circuit board 13 is facilitated, and heat discharge is facilitated.

Specifically, the equal fixed welding in circuit board 13 both sides has T shape connecting rod 14, and two sets of T shape connecting rod 14 keeps away from the one end member of circuit board 13 and passes through bolt and 1 inner wall screw thread through connection of mounting box, and T shape connecting rod 14 erects circuit board 13 in the centre of mounting box 1, the gaseous flow of being convenient for.

Specifically, 1 both sides face of mounting box all through connection has two sets of threading pipes 4, and is two sets of 4 outer walls of threading pipes all are provided with the external screw thread, just threading pipe 4 is located the fixed welding of 1 inside one end of mounting box has solid fixed ring 15, the external screw thread wall threaded connection of threading pipe 4 has spacing ring 5, just spacing ring 5 is located the 1 outside of mounting box,

spacing ring

5 and 4 external screw-thread fit of threading pipe, gu fixed ring 15 carries on spacingly fixedly with spacing ring 5 to threading pipe 4, prevent that threading pipe 4 from becoming flexible, and the wire of the photovoltaic of being convenient for is fixed.

Specifically, a side face of the mounting box 1 is far away from the support 2 and is located in the mounting groove, a filter screen 8 is fixedly mounted through a screw, and the filter screen 8 prevents dust from entering.

Specifically, 1 top end face of mounting box has top cap 3 through bolt thread fixed mounting, just 3 intermediate positions of top cap are inlayed and are equipped with and are used for heat-conducting aluminum plate 6, and aluminum plate 6 is convenient for thermal transmission.

Specifically, this quick heat radiation structure of photovoltaic terminal box, radiator fan 9 work dispels the heat to circuit board 13 in the through-hole 11, the air current is discharged the heat from exhaust hole 7 from the 12 flow direction circuit board tops of slope, T shape connecting rod 14 erects circuit board 13 in the centre of mounting box 1, spacing ring 5 and threading pipe 4 external screw-thread fit, gu fixed ring 15 carries out spacing fixed with spacing ring 5 to threading pipe 4, it is not hard up to prevent threading pipe 4, filter screen 8 prevents that the dust from getting into, aluminum plate 6 is convenient for thermal transmission. This quick heat radiation structure of photovoltaic terminal box, the heat dissipation of the circuit board of being convenient for, and the thermal discharge of being convenient for prevents that high temperature from damaging the circuit.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a quick heat radiation structure of photovoltaic terminal box, includes mounting box (1), support (2) and top cap (3), its characterized in that: the mounting box (1) is of a rectangular structure, a support (2) is arranged on the bottom end face of the mounting box (1), fastening bolts (16) penetrate through four corners of the bottom end face of the support (2) in a threaded manner, and internal thread holes in threaded connection with the fastening bolts (16) are formed in four corners of the bottom end face of the mounting box (1);

support (2) week side and all side outer wall parallel and level of mounting box (1), the inside mounting groove of having seted up of support (2), and be provided with radiator fan (9) in the mounting groove, all side inner walls of radiator fan (9) are provided with connecting plate (10), just mounting groove inner wall screw thread through connection of connecting plate (10) through bolt and support (2), through-hole (11) that are used for radiator fan (9) cooperation to use are seted up to the bottom face of mounting box (1), mounting box (1) inside is provided with circuit board (13) that are used for photovoltaic circuit to connect, just circuit board (13) bottom face sets up with radiator fan (9) is perpendicular, mounting box (1) bottom inner wall is provided with slope (12), N exhaust hole (7) of group have been seted up to mounting box (1) top bilateral symmetry.

2. The rapid heat dissipation structure of a photovoltaic junction box as claimed in claim 1, wherein: the circuit board (13) both sides equal symmetry fixed welding have T shape connecting rod (14), and two sets of T shape connecting rod (14) keep away from the one end member of circuit board (13) and pass through bolt and mounting box (1) inner wall screw thread through connection.

3. The rapid heat dissipation structure of a photovoltaic junction box as claimed in claim 1, wherein: mounting box (1) both sides face all through connection has two sets of threading pipes (4), and is two sets of threading pipe (4) outer wall all is provided with the external screw thread, just threading pipe (4) are located the fixed welding of the inside one end of mounting box (1) and have solid fixed ring (15), the external screw thread wall threaded connection of threading pipe (4) has spacing ring (5), just spacing ring (5) are located the mounting box (1) outside.

4. The rapid heat dissipation structure of a photovoltaic junction box as claimed in claim 1, wherein: a side face of the support (2) far away from the mounting box (1) is positioned in the mounting groove, and a filter screen (8) is fixedly mounted in the mounting groove through screws.

5. The rapid heat dissipation structure of a photovoltaic junction box as claimed in claim 1, wherein: the mounting box (1) top end face is fixedly provided with a top cover (3) through bolt threads, and an aluminum plate (6) for heat conduction is embedded in the middle of the top cover (3).