CN211405965U

CN211405965U - Photovoltaic power generation dc-to-ac converter heat abstractor

Info

Publication number: CN211405965U
Application number: CN202020374476.2U
Authority: CN
Inventors: 陈勇华
Original assignee: Sanya Jingyan New Energy Technology Co ltd
Current assignee: Sanya Jingyan New Energy Technology Co ltd
Priority date: 2020-03-23
Filing date: 2020-03-23
Publication date: 2020-09-01
Anticipated expiration: 2030-03-23

Abstract

The utility model relates to the technical field of photovoltaic inverters, in particular to a photovoltaic power generation inverter heat dissipation device, which comprises a shell, wherein the inner side of the shell is fixedly connected with a bottom plate, the tops of the left and right ends of the bottom plate are fixedly connected with baffle plates, a plurality of placing plates are fixedly connected between the baffle plates at two sides, the top end of the shell is provided with an air cooling mechanism, and the lower side of the bottom plate is provided with a water cooling mechanism, the utility model can increase the ventilation volume in the shell and facilitate the heat dissipation by arranging the air cooling mechanism, can quickly transmit the heat generated by the inverter to the heat dissipation plates by arranging the heat absorbing plates and the heat dissipation plates, and can introduce the cooled air in the inner side of the fixing frame into an isolation frame by utilizing an air duct, a connecting pipe and an air outlet pipe, thereby quickly taking away the, and the water in the reflow water tank is cooled through the semiconductor refrigeration piece.

Description

Photovoltaic power generation dc-to-ac converter heat abstractor

Technical Field

The utility model relates to a photovoltaic inverter technical field specifically is a photovoltaic power generation dc-to-ac converter heat abstractor.

Background

Photovoltaic inverters are inverters that convert variable dc voltage produced by Photovoltaic (PV) solar panels into mains frequency Alternating Current (AC), which can be fed back to a commercial power transmission system or used by an off-grid power grid. Photovoltaic inverters are one of the important system Balances (BOS) in photovoltaic array systems, and can be used with general ac powered equipment. The solar inverter has special functions matched with the photovoltaic array, such as maximum power point tracking and island effect protection.

The heat dissipation of current photovoltaic inverter mainly has natural heat dissipation and forced air cooling heat dissipation two kinds of modes, adopt external fan wind-guiding to dispel the heat usually, occupation space not only like this, and the radiating effect is general, especially arrived summer, outdoor temperature is higher, inverter surface structure is scalded, the mode effect through cold wind heat dissipation is not ideal, the heat on inverter surface can not be in time discharged, the heat discharge of cabinet internal portion is slower, the radiating efficiency is lower, consequently, to above current situation, urgent need develop a photovoltaic power generation inverter heat abstractor, in order to overcome not enough in the current practical application.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a photovoltaic power generation dc-to-ac converter heat abstractor to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a photovoltaic power generation dc-to-ac converter heat abstractor, includes the casing, the inboard fixed connection of casing is provided with the bottom plate, both ends top fixed connection is provided with the baffle about the bottom plate, both sides fixed connection is provided with a plurality of boards of placing between the baffle, the casing top is provided with air cooling mechanism, the bottom plate downside is provided with water cooling mechanism.

As a further aspect of the present invention: the air cooling mechanism comprises a fixed frame, the fixed frame is fixedly connected between two side baffles, the inner side of the fixed frame is fixedly connected with a condenser, the input end of the condenser is connected with the shell through an air inlet pipe, the inner side of the top end of the air inlet pipe is fixedly connected with a dust screen, the lower side of the dust screen is provided with a fan fixedly connected with the air inlet pipe, a plurality of air outlets are formed in the bottom of the fixed frame, and a plurality of ventilation openings are formed in the left side and the right side of the.

As a further aspect of the present invention: the heat absorbing plate is fixedly connected to the top of the placing plate, the isolating frame is fixedly connected to the bottom of the placing plate, a plurality of radiating fins fixedly connected with the heat absorbing plate are arranged on the inner side of the isolating frame, a connecting pipe is fixedly connected to the left side of the isolating frame, the other end of the connecting pipe is connected with the fixing frame through an air guide pipe, and an air outlet pipe connected with the baffle is arranged on the right side of the isolating frame.

As a further aspect of the present invention: the water cooling mechanism comprises a water tank, the water tank is movably connected to the bottom of the inner side of the shell, a water pump is arranged on the right side of the water tank in a bolt connection mode, the output end of the water pump is connected with a heat absorption pipe arranged on the upper side of the placing plate through a water guide pipe, the heat absorption pipe is fixedly connected with the shell, the output end of the heat absorption pipe is connected with the water tank through a cooling pipe, and a semiconductor refrigeration piece fixedly connected with the shell is arranged on the rear side of the cooling pipe.

As a further aspect of the present invention: the casing right side fixed connection is provided with the gas outlet, the inboard fixed connection of gas outlet is provided with the one-way pressure valve.

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

1. by arranging the air cooling mechanism, the ventilation quantity in the shell can be increased, heat can be conveniently dissipated, and therefore the photovoltaic inverter is cooled;

2. by arranging the heat absorbing plate and the heat radiating fins, heat generated by the inverter can be quickly transmitted to the heat radiating fins, the heat on the surface of the inverter is effectively radiated, and cooled air on the inner side of the fixing frame is introduced into the isolation frame by using the air guide pipe, the connecting pipe and the air outlet pipe, so that the heat on the heat radiating fins is quickly taken away, and the heat radiating effect of the device is effectively improved;

3. through setting up water-cooling mechanism, can absorb the inside heat of casing through the cooling water in the water tank to through the semiconductor refrigeration piece to the water cooling in the refluence return water tank, guarantee the continuation of water-cooling process.

Drawings

Fig. 1 is a schematic structural diagram of a heat dissipation device of a photovoltaic power generation inverter.

Fig. 2 is a schematic view of an air inlet pipe structure of the photovoltaic power generation inverter heat dissipation device.

Fig. 3 is an enlarged schematic view of a portion a in fig. 1.

In the figure: 1-shell, 2-bottom plate, 3-air inlet pipe, 4-dust screen, 5-fan, 6-fixing frame, 7-condenser, 8-baffle, 9-air guide pipe, 10-placing plate, 11-air outlet, 12-water tank, 13-water pump, 14-water guide pipe, 15-heat absorption pipe, 16-cooling pipe, 17-semiconductor refrigeration piece, 18-isolation frame, 19-connecting pipe, 20-heat absorption plate, 21-heat dissipation piece and 22-ventilation opening.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

Example 1

Referring to fig. 1-3, in the embodiment of the present invention, a heat dissipation device for a photovoltaic power generation inverter includes a housing 1, a bottom plate 2 is disposed on an inner side of the housing 1, a baffle 8 is disposed on a top portion of the bottom plate 2, a plurality of placing plates 10 are disposed on the baffle 8, an air cooling mechanism is disposed on a top end of the housing 1, and a water cooling mechanism is disposed on a lower side of the bottom plate 2.

Example 2

In this embodiment, air-cooled mechanism includes

fixed frame

6, 6 fixed connection settings of fixed frame are between both

sides baffle

8, 6 inboard fixed connection of fixed frame is provided with condenser 7, condenser 7 input passes through intake pipe 3 and is connected with casing 1, the inboard fixed connection in 3 tops of intake pipe is provided with dust screen 4, dust screen 4 downside is provided with fan 5 with 3 fixed connection of intake pipe, 6 bottoms of fixed frame are provided with a plurality of air outlets, it is provided with a plurality of vents 22 to place the board 10 left and right sides, through setting up air-cooled mechanism, can increase the ventilation volume of 1 inside of casing, and the heat of being convenient for is effluvium to carry out photovoltaic inverter's cooling.

In this embodiment, place board 10 top fixed connection and be provided with absorber plate 20, place board 10 bottom fixed connection and be provided with isolation frame 18, isolation frame 18 inboard is provided with a plurality of fin 21 with absorber plate 20 fixed connection, isolation frame 18 left side fixed connection is provided with connecting pipe 19, the connecting pipe 19 other end passes through air duct 9 and is connected with fixed frame 6, isolation frame 18 right side is provided with the outlet duct of being connected with baffle 8, through setting up absorber plate 20 and fin 21, can be fast with the heat conduction that the inverter produced on fin 21, effectively the heat on inverter surface is effluvied to utilize air duct 9, connecting pipe 22 and outlet duct to introduce isolation frame 18 with the inboard air after the cooling of fixed frame 6 in, thereby take away the heat on fin 21 fast, effectively hoisting device's radiating effect.

In this embodiment, water-cooling mechanism includes water tank 12, water tank 12 swing joint sets up in 1 inboard bottom of casing, 12 right side bolted connection of water tank is provided with water pump 13, water pump 13 output passes through aqueduct 14 and is connected with the heat absorption pipe 15 that sets up at placing board 10 upside, heat absorption pipe 15 and 1 fixed connection of casing, the 15 outputs of heat absorption pipe pass through cooling tube 16 and are connected with

water tank

12, 16 rear sides of cooling tube are provided with the semiconductor refrigeration piece 17 with 1 fixed connection of casing, through setting up water-cooling mechanism, can absorb the inside heat of casing 1 through the cooling water in the water tank 12 to reduce the temperature to the water cooling in the water-cooling process is guaranteed to the refluence water tank 12 through semiconductor refrigeration piece 17.

In this embodiment, the right side of the casing 1 is fixedly connected with an air outlet 11, and the inner side of the air outlet 11 is fixedly connected with a one-way pressure valve.

This photovoltaic power generation inverter heat abstractor, through setting up air cooling mechanism, can increase the inside air volume of casing 1, the heat effluvium of being convenient for, thereby carry out photovoltaic inverter's cooling, through setting up absorber plate 20 and fin 21, can conduct the heat that the inverter produced on fin 21 fast, the heat on the inverter surface is effectively effluvied, and utilize air duct 9, connecting pipe 22 and outlet duct are with fixed frame 6 inboard air after the cooling introduce in isolation frame 18, thereby take away the heat on fin 21 fast, effective hoisting device's radiating effect, through setting up water cooling mechanism, can absorb the heat of casing 1 inside through the cooling water in the water tank 12, and through the water cooling of semiconductor refrigeration piece 17 in to reflow water tank 12, guarantee the continuation of water cooling process.

The utility model discloses a theory of operation is: the fan 5 of 3 inboard inboards of intake pipe sends into the air in the condenser 7 of fixed frame 6 inboard, one part of air directly gets into in casing 1 from the air outlet of fixed frame 6 bottom after the cooling of condenser 7, another part is along air duct 9, connecting pipe 22 gets into in isolation frame 18, absorber plate 20 and fin 21, can be fast with the heat conduction that the inverter produced on fin 21, the heat on the surface of the inverter of effectively loosing, the air that gets into isolation frame 18 inboard takes away the heat on fin 21 fast through the outlet duct, the heat of taking away is discharged from gas outlet 11, the cooling water in the water tank 12 gets into in the heat absorption pipe 15 under the effect of water pump 13, absorb the heat of casing 1 inside, and cool down the water that flows back to water tank 12 through semiconductor refrigeration piece 17, make the water-cooling process can continuously go on.

The above is only the preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims

1. The utility model provides a photovoltaic power generation inverter heat abstractor, includes casing (1), its characterized in that, casing (1) inboard fixed connection is provided with bottom plate (2), both ends top fixed connection is provided with baffle (8), both sides about bottom plate (2) fixed connection is provided with a plurality of boards (10) of placing between baffle (8), casing (1) top is provided with air-cooled mechanism, bottom plate (2) downside is provided with water-cooling mechanism.

2. The photovoltaic power generation inverter heat dissipation device according to claim 1, wherein the air cooling mechanism comprises a fixed frame (6), the fixed frame (6) is fixedly connected between two side baffles (8), a condenser (7) is fixedly connected to the inner side of the fixed frame (6), the input end of the condenser (7) is connected with the shell (1) through an air inlet pipe (3), a dust screen (4) is fixedly connected to the inner side of the top end of the air inlet pipe (3), a fan (5) fixedly connected with the air inlet pipe (3) is arranged on the lower side of the dust screen (4), a plurality of air outlets are arranged at the bottom of the fixed frame (6), and a plurality of air vents (22) are arranged on the left side and the right side of the placement plate (10).

3. The photovoltaic power generation inverter heat dissipation device according to claim 2, wherein a heat absorbing plate (20) is fixedly connected to the top of the placing plate (10), an isolation frame (18) is fixedly connected to the bottom of the placing plate (10), a plurality of heat dissipation fins (21) fixedly connected to the heat absorbing plate (20) are arranged inside the isolation frame (18), a connecting pipe (19) is fixedly connected to the left side of the isolation frame (18), the other end of the connecting pipe (19) is connected to the fixing frame (6) through an air duct (9), and an air outlet pipe connected to the baffle (8) is arranged on the right side of the isolation frame (18).

4. The photovoltaic power generation inverter heat dissipation device according to claim 3, wherein the water cooling mechanism comprises a water tank (12), the water tank (12) is movably connected to the bottom of the inner side of the casing (1), a water pump (13) is arranged on the right side of the water tank (12) in a bolted connection mode, the output end of the water pump (13) is connected with a heat absorption pipe (15) arranged on the upper side of the placing plate (10) through a water guide pipe (14), the heat absorption pipe (15) is fixedly connected with the casing (1), the output end of the heat absorption pipe (15) is connected with the water tank (12) through a cooling pipe (16), and a semiconductor refrigeration piece (17) fixedly connected with the casing (1) is arranged on the rear side of the cooling pipe (16).

5. The photovoltaic power generation inverter heat sink according to claim 4, wherein an air outlet (11) is fixedly connected to the right side of the housing (1), and a one-way pressure valve is fixedly connected to the inner side of the air outlet (11).