CN212435642U

CN212435642U - Waterproof heat dissipation formula photovoltaic inverter

Info

Publication number: CN212435642U
Application number: CN202021394056.7U
Authority: CN
Inventors: 李文望; 杨庚
Original assignee: Suzhou Cosuper Energy Equipment Co ltd
Current assignee: Suzhou Cosuper Energy Equipment Co ltd
Priority date: 2020-07-15
Filing date: 2020-07-15
Publication date: 2021-01-29
Anticipated expiration: 2030-07-15

Abstract

The utility model provides a waterproof heat dissipation type photovoltaic inverter which comprises a closed box body; a plurality of radiating fins arranged on the top wall of the box body; a circuit board arranged in the box body and provided with electronic components; the lower ends of the plurality of heat conduction strips are in contact with the electronic component; the box body is internally provided with a blowing mechanism for accelerating the air to circularly flow in the box body. The utility model discloses a waterproof heat dissipation formula photovoltaic inverter can compromise heat dissipation and waterproof function.

Description

Waterproof heat dissipation formula photovoltaic inverter

Technical Field

The utility model relates to a waterproof heat dissipation formula photovoltaic inverter.

Background

The photovoltaic inverter can convert the variable direct-current voltage generated by the photovoltaic solar panel into alternating current with commercial power frequency, and further feed the alternating current back to a commercial power transmission system or supply the alternating current for an off-grid power grid. The photovoltaic inverter is one of important system balances in a photovoltaic array system and can be used together with common alternating current power supply equipment. The solar inverter has special functions matched with the photovoltaic array, such as maximum power point tracking and island effect protection.

Photovoltaic inverters, when used, generate a large amount of heat. The existing inverter has the defects of good heat dissipation performance, poor waterproof performance, good waterproofness, poor heat dissipation performance and more inconvenience in use.

SUMMERY OF THE UTILITY MODEL

In view of this, the embodiment of the utility model provides a waterproof heat dissipation formula photovoltaic inverter can carry out waterproof heat dissipation simultaneously.

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

a waterproof heat-dissipating photovoltaic inverter comprising:

a closed box body;

the plurality of radiating fins are arranged on the top wall of the box body;

the circuit board is arranged in the box body, and electronic components are arranged on the circuit board;

the lower ends of the plurality of heat conduction strips are in contact with the electronic component;

and the blowing mechanism is arranged in the box body and is used for accelerating the circulation flow of air in the box body.

Preferably, the blowing mechanism includes:

the two blowpipes are fixed on the inner wall of the box body, the blowpipes are U-shaped, a plurality of blowholes are formed in the side walls of the blowpipes, and the two ends of each blowpipe are hermetically arranged;

the air inlet pipes are fixedly connected to the side walls of the whole body at one ends of the two blowing pipes respectively, and the two air inlet pipes are communicated with the two blowing pipes respectively;

the fixing piece is arranged in the air inlet pipe, and a channel for air flow to pass through is formed between the fixing piece and the inner wall of the air inlet pipe; a cavity, a horizontal shaft hole and a vertical shaft hole which are communicated with the cavity are formed in the fixing piece;

the horizontal rotating shaft is inserted into the horizontal shaft hole, the outer end of the horizontal rotating shaft is provided with a fan, and the inner end of the horizontal rotating shaft extends into the cavity;

the inner end of the vertical rotating shaft extends into the cavity and is in transmission connection with the inner end of the horizontal rotating shaft through a bevel gear set, and the outer end of the vertical rotating shaft penetrates through the air inlet pipe and extends to the outside of the air inlet pipe;

the two vertical rotating shafts are in transmission connection through a transmission mechanism, a motor is fixed in the box body, and an output shaft of the motor is coaxially and fixedly connected with one of the vertical rotating shafts.

Preferably, the bevel gear set includes: the first helical gear and the second helical gear are meshed with each other, the first helical gear is arranged at the inner end of the vertical rotating shaft and is coaxially fixed, and the second helical gear is arranged at the inner end of the horizontal rotating shaft and is coaxially fixed.

Preferably, the transmission mechanism comprises belt pulleys which are respectively and coaxially and fixedly connected with the two vertical rotating shafts, and the two belt pulleys are in transmission connection through a belt.

Preferably, the box body, the radiating fins, the heat conducting strips, the air inlet pipe and the air blowing pipe are all made of aluminum alloy materials.

The utility model discloses waterproof heat dissipation formula photovoltaic inverter has following beneficial effect:

through setting up the mechanism of blowing, drive vertical pivot through the motor and rotate, vertical pivot drives horizontal rotating shaft and rotates, and horizontal rotating shaft drives the fan and rotates, and the fan blows air entering blast pipe in the box and blows out by a plurality of blowholes, makes the air in the box carry out circulation flow. Like this, the air of each department in the box all can with the lateral wall contact of box to carry out heat conduction heat dissipation, give off with higher speed the heat that produces the dc-to-ac converter, the radiating efficiency is high, and is sealed waterproof. In addition, the box body adopts a closed structure, and can better realize water resistance. Thereby having waterproof and heat dissipation functions.

Drawings

Fig. 1 is a front perspective view of a waterproof heat-dissipating photovoltaic inverter according to an embodiment of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

fig. 3 is a perspective view of the top structure of fig. 1.

In the figure: the fan comprises a box body 1, radiating fins 2, a circuit board 3, a heat conducting strip 4, a blowing mechanism 5, a mounting plate 6, a mounting hole 7, a blowing pipe 8, a blowing hole 9, an air inlet pipe 10, a fixing piece 11, a horizontal rotating shaft 12, a fan 13, a cavity 14, a vertical rotating shaft 15, a bevel gear set 16, a transmission mechanism 17, a motor 18, a first bevel gear 19, a second bevel gear 20 and a belt pulley 21.

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.

As fig. 1 to fig. 3, the embodiment of the utility model provides a waterproof heat dissipation formula photovoltaic inverter, including airtight box 1 that sets up, a plurality of radiating fin 2 of fixedly connected with on the roof of box 1. A plurality of radiating fins 2 evenly distributed on box 1, parallel interval sets up. A circuit board 3 is fixedly arranged in the box body 1, and electronic components are arranged on the circuit board 3. A plurality of heat conduction strips 4 are fixedly connected to the inner side wall of the box body 1, and the lower ends of the heat conduction strips 4 are in contact with the electronic components on the circuit board 3 in a propping mode.

The box body 1 is internally provided with a blowing mechanism 5 for accelerating the air to circularly flow in the box body 1. Referring to fig. 2 and 3, the blowing mechanism 5 includes two blowing pipes 8 fixedly connected to the inner wall of the box 1, and the blowing pipes 8 are U-shaped and respectively attached to the inner bottom wall and two opposite inner side walls of the box 1 to improve the heat transfer efficiency. All be equipped with a plurality of blowholes 9 on two blowpipes 8's the lateral wall, two blowpipes 8's both ends all seal the setting. One end of each of the two blowpipes 8 is fixedly connected with an air inlet pipe 10 on the whole body side wall, and the two air inlet pipes 10 are respectively communicated with the two blowpipes 8. The air inlet pipe 10 is internally and fixedly connected with a fixed part 11, and a channel for air flow to pass through is formed between the fixed part 11 and the inner wall of the air inlet pipe 10. The fixing member 11 may be plate-shaped or strip-shaped, and both ends thereof are arc-shaped and attached to the inner wall of the air inlet duct 10. The fixing member 11 is provided therein with a cavity 14, a horizontal shaft hole and a vertical shaft hole communicating with the cavity 14. A horizontal rotating shaft 12 is rotatably inserted in the horizontal shaft hole, one end, namely the outer end, of the horizontal rotating shaft 12, which is far away from the fixing piece 11, is coaxially and fixedly connected with a fan 13, and the inner end penetrates through the fixing piece 11 and extends into the cavity 14. A vertical rotating shaft 15 is rotatably inserted in the vertical shaft hole, the inner end of the vertical rotating shaft 15 penetrates through the fixing piece 11 and extends into the cavity 14, and the inner end of the vertical rotating shaft 15 is in transmission connection with the inner end of the horizontal rotating shaft 12 through a bevel gear set 16. The helical gear set 16 includes first and second intermeshing

helical gears

19, 20. The first bevel gear 19 is arranged at the inner end of the vertical rotating shaft 15 and is coaxially fixed with the vertical rotating shaft 15, and the second bevel gear 20 is arranged at the inner end of the horizontal rotating shaft 12 and is coaxially fixed with the horizontal rotating shaft 12. The outer end of the vertical rotary shaft 15 penetrates the fixing member 11 and the air inlet duct 10 and extends to the outside of the air inlet duct 10. As shown in fig. 3, the two vertical rotating shafts 15 are in transmission connection through a transmission mechanism 17, the transmission mechanism 17 includes two belt pulleys 21, the two belt pulleys 21 are respectively and fixedly connected with the two vertical rotating shafts 15 coaxially, and the two belt pulleys 21 are in transmission connection through a belt. The motor 18 is fixed in the box body 1, and the motor 18 can adopt a micro motor with the model number of ZGB37RG and is electrically connected with an external power supply. The output shaft of the motor 18 is coaxially and fixedly connected with one of the vertical rotating shafts 15.

The box body 1, the radiating fins 2, the heat conducting strips 4, the air inlet pipe 10 and the air blowing pipe 8 are all made of aluminum alloy materials, so that radiating efficiency and heat transfer efficiency are improved. The equal fixedly connected with mounting panel 6 of the all over body lateral wall downside of box 1, mounting panel 6 runs through from top to bottom has a plurality of mounting holes 7 for the installation is fixed.

Introduce the utility model discloses waterproof heat dissipation formula photovoltaic inverter's theory of operation of embodiment is following:

the motor 18 is started, the output shaft of the motor 18 drives the vertical rotating shaft 15 to rotate, the vertical rotating shaft 15 drives the first bevel gear 19 to rotate, the first bevel gear 19 drives the second bevel gear 20 to rotate, the second bevel gear 20 drives the horizontal rotating shaft 12 to rotate, the horizontal rotating shaft 12 drives the fan 13 to rotate, the fan 13 drives the air in the box body 1 to blow in the blowing pipe 8 through the air inlet pipe 10, and then the air is blown out through the plurality of blowing holes 9, so that the air in the box body 1 flows. Therefore, air at each position in the box body 1 can contact with the inner side wall of the box body 1, heat conduction efficiency is improved, and heat dissipation is accelerated. In addition, the box body 1 adopts a closed structure, so that water resistance can be better realized. Thereby having waterproof and heat dissipation functions.

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. The utility model provides a waterproof heat dissipation formula photovoltaic inverter which characterized in that includes:

a closed box (1);

the heat dissipation fins (2) are arranged on the top wall of the box body (1);

the circuit board (3) is arranged in the box body (1), and electronic components are arranged on the circuit board (3);

the heat conduction strips (4) are fixedly connected to the inner side wall of the box body (1), and the lower ends of the heat conduction strips (4) are in contact with the electronic component;

the blowing mechanism (5) is arranged in the box body (1) and is used for accelerating the circulation flow of air in the box body (1).

2. The waterproof heat-dissipating photovoltaic inverter according to claim 1, wherein the blower mechanism (5) includes:

the two blowing pipes (8) are fixed on the inner wall of the box body (1), the blowing pipes (8) are U-shaped, a plurality of blowing holes (9) are formed in the side wall of each blowing pipe, and the two ends of each blowing pipe (8) are arranged in a sealing mode;

the air inlet pipes (10) are fixedly connected to the side walls of the whole body at one ends of the two air blowing pipes (8), and the two air inlet pipes (10) are communicated with the two air blowing pipes (8) respectively;

the air inlet pipe is characterized by comprising a fixing piece (11) arranged in the air inlet pipe (10), and a channel for air flow to pass through is formed between the fixing piece (11) and the inner wall of the air inlet pipe (10); a cavity (14), a horizontal shaft hole and a vertical shaft hole which are communicated with the cavity (14) are formed in the fixing piece (11);

the horizontal rotating shaft (12) is inserted into the horizontal shaft hole, the outer end of the horizontal rotating shaft (12) is provided with a fan (13), and the inner end of the horizontal rotating shaft extends into the cavity (14);

the vertical rotating shaft (15) is inserted into the vertical shaft hole, the inner end of the vertical rotating shaft (15) extends into the cavity (14) and is in transmission connection with the inner end of the horizontal rotating shaft (12) through a bevel gear set (16), and the outer end of the vertical rotating shaft penetrates through the air inlet pipe (10) and extends to the outside of the air inlet pipe (10);

the two vertical rotating shafts (15) are in transmission connection through a transmission mechanism (17), a motor (18) is fixed in the box body (1), and an output shaft of the motor (18) is coaxially and fixedly connected with one of the vertical rotating shafts (15).

3. The waterproof heat dissipating photovoltaic inverter of claim 2, wherein the bevel gear set (16) comprises: the first bevel gear (19) and the second bevel gear (20) are meshed with each other, the first bevel gear (19) is arranged at the inner end of the vertical rotating shaft (15) and is coaxially fixed, and the second bevel gear (20) is arranged at the inner end of the horizontal rotating shaft (12) and is coaxially fixed.

4. The waterproof heat-dissipation photovoltaic inverter according to claim 2, wherein the transmission mechanism (17) includes pulleys (21) coaxially and fixedly connected to the two vertical shafts (15), respectively, and the two pulleys (21) are connected to each other by a belt.

5. The waterproof heat-dissipation photovoltaic inverter as claimed in claim 1, wherein the box body (1), the heat-dissipation fins (2), the heat-conducting strips (4), the air inlet pipe (10) and the air blowing pipe (8) are made of aluminum alloy materials.