CN211127605U

CN211127605U - Photovoltaic inverter with good heat dissipation performance

Info

Publication number: CN211127605U
Application number: CN202020219293.3U
Authority: CN
Inventors: 贾静; 王进良; 于力娜; 叶东雨
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-02-27
Filing date: 2020-02-27
Publication date: 2020-07-28
Anticipated expiration: 2030-02-27

Abstract

The utility model discloses a good photovoltaic inverter of thermal diffusivity, which comprises an outer shell, fixed connection has the horizontally grid plate on the inner wall of shell, two vertical ventilative baffles of upper end fixedly connected with of grid plate, two bar grooves have all been seted up on the relative lateral wall of ventilative baffle and shell inner wall, and sliding connection has the U-shaped support frame that is used for placing dc-to-ac converter components and parts board between two relative bar grooves, the rectangle opening of intercommunication about the upper end of U-shaped support frame is seted up, and fixedly connected with bears the fin in the rectangle opening, two be provided with water-cooling heat dissipation mechanism between the ventilative baffle, the lower extreme of shell is provided with two sets of air-cooling heat dissipation mechanisms that correspond with the U-shaped support frame. The utility model discloses a radiating mode that combines of water cooling and forced air cooling carries out holistic heat dissipation to components and parts in the dc-to-ac converter, helps reducing the temperature of components and parts when using, and then improves the life of components and parts.

Description

Photovoltaic inverter with good heat dissipation performance

Technical Field

The utility model relates to a photovoltaic inverter technical field especially relates to a good photovoltaic inverter of thermal diffusivity.

Background

Solar photovoltaic power generation belongs to clean renewable energy, and development and wide application of photovoltaic power generation technology play an important role in relieving the shortage of conventional energy and reducing environmental pollution. The grid-connected inverter is used for converting direct current generated by the solar cell into alternating current and is connected with a power grid in a grid mode to generate electricity, and plays a vital role in development and utilization of new energy.

The components in the inverter have rated working temperatures, and if the inverter has poor heat dissipation performance, the heat of the components cannot be transferred to the outside along with the continuous work of the inverter, so that the temperature of the components is higher and higher. The performance and the service life of components and parts can be reduced to the high temperature, in order to keep the inside components and parts operating temperature of dc-to-ac converter in rated temperature range, guarantee its efficiency and life, just need the heat conduction material to come out the inside heat transfer of dc-to-ac converter, current heat abstractor is the part to the dc-to-ac converter mostly, the radiating effect is not good, cause the condition of the partial structure damage of components and parts easily, for this reason, we propose a good photovoltaic inverter of thermal diffusivity to solve above-mentioned problem of proposing.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the good photovoltaic inverter of thermal diffusivity that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a good photovoltaic inverter of thermal diffusivity, includes the shell, fixedly connected with horizontally grid plate on the inner wall of shell, two vertical ventilative baffles of upper end fixedly connected with of grid plate, all seted up two bar grooves on the relative lateral wall of ventilative baffle and shell inner wall, and sliding connection has the U-shaped support frame that is used for placing dc-to-ac converter components and parts board between two relative bar grooves, the rectangle opening of intercommunication about the upper end of U-shaped support frame is seted up, and fixedly connected with bears the fin in the rectangle opening, two be provided with water-cooling heat dissipation mechanism between the ventilative baffle, the lower extreme of shell is provided with two sets of air-cooling heat dissipation mechanisms that correspond with the U-shaped support frame.

Preferably, the side wall of the U-shaped support frame is provided with a threaded hole communicated with the strip-shaped groove, and the threaded hole is connected with a fastening bolt fixed with the inner wall of the strip-shaped groove in an internal thread manner.

Preferably, water-cooling heat dissipation mechanism includes the heating panel of fixed connection between two ventilative baffles, fixedly connected with and the fixed bracing piece of shell inner wall on the lateral wall of heating panel, heating panel in-connection has snakelike return bend, and the both ends of snakelike return bend all run through the roof of shell and are connected with the water tank.

Preferably, the water tank fixed connection is in the upper end of shell, be provided with the water inlet on the lateral wall of water tank, and the outside threaded connection of water inlet has the end cover.

Preferably, the air-cooled heat dissipation mechanism includes a circular opening arranged at the lower end of the housing, a cylindrical shell is fixedly connected in the circular opening, a heat dissipation fan is arranged in the cylindrical shell, the output end of the heat dissipation fan is correspondingly arranged at the lower side of the U-shaped support frame, and a filter screen is connected on the outer side wall of the cylindrical shell.

Preferably, a plurality of air holes corresponding to the U-shaped support frame are uniformly distributed at the upper end of the shell, and the air holes are correspondingly arranged at two sides of the water tank.

Compared with the prior art, the beneficial effects of the utility model are that: this practicality adopts the radiating mode that water cooling and forced air cooling combine to carry out holistic heat dissipation to components and parts in the dc-to-ac converter, helps reducing the temperature of components and parts when using, and then improves the life of components and parts. And the use position of the components in the shell can be correspondingly adjusted and fixed according to the use requirement, so that the utilization rate of the internal space of the shell is increased.

Drawings

Fig. 1 is a schematic view of an internal front structure of a photovoltaic inverter device with good heat dissipation performance according to the present invention;

fig. 2 is a schematic view of an internal side structure of a photovoltaic inverter device with good heat dissipation performance according to the present invention;

fig. 3 is a partially enlarged view of a portion a in fig. 2.

In the figure: the air-cooling type solar cell comprises a shell 1, a grid plate 2, a ventilating partition plate 3, a U-shaped support frame 4, a bearing cooling fin 5, a fastening bolt 6, a cooling plate 7, a support rod 8, a snake-shaped bent pipe 9, a water tank 10, an end cover 11, a cylindrical shell 12, a cooling fan 13, a filter screen 14 and air holes 15.

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.

Referring to fig. 1-3, a photovoltaic inverter with good heat dissipation performance comprises a housing 1, a horizontal grid plate 2 is fixedly connected to the inner wall of the housing 1, two vertical breathable partition plates 3 are fixedly connected to the upper ends of the grid plate 2, two strip-shaped grooves are respectively formed in the side walls of the breathable partition plates 3 opposite to the inner wall of the housing 1, and a U-shaped supporting frame 4 for placing an inverter component plate is connected between the two opposite strip-shaped grooves in a sliding way, a threaded hole communicated with the strip-shaped grooves is arranged on the side wall of the U-shaped supporting frame 4, and the threaded hole is internally threaded with a fastening bolt 6 fixed with the inner wall of the strip-shaped groove, so that the position of the U-shaped support frame 4 can be conveniently adjusted and fixed, the upper end of the U-shaped support frame 4 is provided with a rectangular opening which is communicated up and down, and the bearing radiating fins 5 are fixedly connected in the rectangular openings, so that the inverter component board can be radiated to a certain extent from the source.

Wherein a water-cooling heat dissipation mechanism is arranged between the two air-permeable partition plates 3, the water-cooling heat dissipation mechanism comprises a heat dissipation plate 7 fixedly connected between the two air-permeable partition plates 3, a support rod 8 fixed with the inner wall of the shell 1 is fixedly connected on the outer side wall of the heat dissipation plate 7, a snake bend 9 is connected in the heat dissipation plate 7, and both ends of the snake-shaped bent pipe 9 penetrate through the top wall of the shell 1 and are connected with a water tank 10, specifically, the water tank 10 is fixedly connected at the upper end of the shell 1, a water inlet is arranged on the side wall of the water tank 10, the outer side of the water inlet is in threaded connection with an end cover 11, under the use of the water-cooling heat dissipation mechanism, liquid such as cooling liquid and the like which is helpful for heat dissipation can be introduced into the water tank 10, and under the cooperation of snakelike return bend 9, absorb the heat in the shell 1, and then can carry out certain cooling to the dc-to-ac converter components and parts board that deposits in the shell 1.

Wherein, the lower extreme of shell 1 is provided with two sets of air-cooled heat dissipation mechanisms that correspond with U-shaped support frame 4, air-cooled heat dissipation mechanism is including seting up the circular opening at 1 lower extreme of shell, fixedly connected with cylinder casing 12 in the circular opening, be provided with cooling fan 13 in the cylinder casing 12, and cooling fan 13's output correspondence sets up the downside at U-shaped support frame 4, be connected with filter screen 14 on the lateral wall of cylinder casing 12, it is concrete, a plurality of bleeder vents 15 that correspond with U-shaped support frame 4 are seted up to the upper end equipartition of shell 1, and bleeder vent 15 corresponds the both sides that set up at water tank 10, under air-cooled heat dissipation mechanism's use, can accelerate the speed of air current in the shell 1, and then can take away the heat in the shell 1.

The utility model discloses fixedly connected with bears fin 5 with the components and parts contact in the U-shaped support frame 4, carry out certain heat dissipation to dc-to-ac converter components and parts board from the source, and under the use of water-cooling heat dissipation mechanism, can be to letting in the liquid that helps radiating such as coolant liquid in the water tank 10, and under the cooperation of serpentine bend 9 is used, absorb the heat in the shell 1, and then can carry out certain cooling treatment to the dc-to-ac converter components and parts board of depositing in the shell 1, it is further, under the use of air-cooled heat dissipation mechanism, can accelerate the speed of air current in the shell 1, and then can take away the heat in the shell 1, further improve radiating effect.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A photovoltaic inverter device with good heat dissipation performance comprises a shell (1), a horizontal grid plate (2) is fixedly connected on the inner wall of the shell (1), two vertical ventilating partition plates (3) are fixedly connected at the upper end of the grid plate (2), two strip-shaped grooves are respectively arranged on the side walls of the ventilating partition plate (3) opposite to the inner wall of the shell (1), and a U-shaped supporting frame (4) used for placing an inverter component plate is connected between the two opposite strip-shaped grooves in a sliding way, the upper end of the U-shaped supporting frame (4) is provided with a rectangular opening which is communicated up and down, and a bearing radiating fin (5) is fixedly connected in the rectangular opening, a water-cooling radiating mechanism is arranged between the two ventilating partition plates (3), the lower end of the shell (1) is provided with two groups of air-cooling heat dissipation mechanisms corresponding to the U-shaped support frames (4).

2. The photovoltaic inverter device with good heat dissipation performance as claimed in claim 1, wherein a threaded hole communicated with the strip-shaped groove is formed in the side wall of the U-shaped support frame (4), and a fastening bolt (6) fixed to the inner wall of the strip-shaped groove is connected to the threaded hole in a threaded manner.

3. The photovoltaic inverter with good heat dissipation performance as claimed in claim 1, wherein the water-cooled heat dissipation mechanism comprises a heat dissipation plate (7) fixedly connected between two air-permeable partition plates (3), a support rod (8) fixed to the inner wall of the housing (1) is fixedly connected to the outer side wall of the heat dissipation plate (7), a serpentine (9) is connected to the heat dissipation plate (7), and both ends of the serpentine (9) penetrate through the top wall of the housing (1) and are connected to a water tank (10).

4. The photovoltaic inverter device with good heat dissipation performance as claimed in claim 3, wherein the water tank (10) is fixedly connected to the upper end of the housing (1), a water inlet is formed in a side wall of the water tank (10), and an end cover (11) is screwed to the outer side of the water inlet.

5. The photovoltaic inverter with good heat dissipation performance according to claim 1, wherein the air-cooled heat dissipation mechanism includes a circular opening formed at a lower end of the housing (1), a cylindrical housing (12) is fixedly connected in the circular opening, a heat dissipation fan (13) is disposed in the cylindrical housing (12), an output end of the heat dissipation fan (13) is correspondingly disposed at a lower side of the U-shaped support frame (4), and a filter screen (14) is connected to an outer side wall of the cylindrical housing (12).

6. The photovoltaic inverter device with good heat dissipation performance as claimed in claim 3, wherein a plurality of air vents (15) corresponding to the U-shaped support frames (4) are uniformly formed at the upper end of the housing (1), and the air vents (15) are correspondingly arranged at two sides of the water tank (10).