CN218387240U

CN218387240U - Photovoltaic energy storage bidirectional converter

Info

Publication number: CN218387240U
Application number: CN202222491466.9U
Authority: CN
Inventors: 朱洪明
Original assignee: Shanghai Lingang Hongbo New Energy Development Co ltd
Current assignee: Shanghai Lingang Hongbo New Energy Development Co ltd
Priority date: 2022-09-21
Filing date: 2022-09-21
Publication date: 2023-01-24
Anticipated expiration: 2032-09-21

Abstract

The utility model discloses a photovoltaic energy storage bidirectional converter, the on-line screen storage device comprises a base, the top fixed mounting of base has the box, the inside fixed mounting of box has the converter main part, the inside water-cooling mechanism that is provided with of box, water-cooling mechanism includes the inside water tank of fixed mounting at the box, fixed mounting has the water pump on the water tank, the water inlet fixedly connected with of water pump extends to the inside drinking-water pipe of water tank, delivery port fixedly connected with heat exchange tube, the one end fixedly connected with of heat exchange tube extends to the outside back flow of box, one side of base is provided with carries out radiating air cooling device to the back flow, still be provided with the mechanism of taking a breath that is used for carrying out dehumidification purification to the inside air of box on the box, the utility model relates to a converter technical field, this photovoltaic energy storage bidirectional converter replaces traditional forced air cooling mode, has improved photovoltaic energy storage bidirectional converter's leakproofness and radiating effect.

Description

Photovoltaic energy storage bidirectional converter

Technical Field

The utility model relates to a converter technical field specifically is a photovoltaic energy storage bidirectional converter.

Background

The photovoltaic energy storage bidirectional converter is a device which is connected between a battery system and a power grid or a load and can realize bidirectional conversion of electric energy in an electrochemical energy storage system and generally comprises a box body and a bidirectional converter, wherein the bidirectional converter is installed inside the box body, when the photovoltaic energy storage bidirectional converter operates, a large amount of heat can be generated and accumulated inside the box body, the traditional photovoltaic energy storage bidirectional converter adopts an air cooling mode to cool the internal structure of the traditional photovoltaic energy storage bidirectional converter, because some photovoltaic energy storage bidirectional converters are placed outdoors for use, dust in outdoor environment severe air is serious, and then the inside of the photovoltaic energy storage bidirectional converter can be directly led to enter a large amount of dust by adopting the air cooling mode to dissipate heat, the structure inside the converter is seriously damaged, a fan is installed inside the box body to generate heat, so that the heat dissipation effect is poor, in addition, when the traditional photovoltaic energy storage bidirectional converter is placed outdoors, rainwater and moisture can enter the inside of the bidirectional converter to corrode the inside of the bidirectional converter in rainy weather, meanwhile, the moisture enters the inside of the bidirectional converter along with a heat dissipation vent, so that the inside can also generate potential safety hazards, and the service life of the photovoltaic energy storage bidirectional converter can be influenced.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a photovoltaic energy storage bidirectional converter has solved current problem.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a photovoltaic energy storage bidirectional converter, includes the base, the top fixed mounting of base has the box, the inside fixed mounting of box has the converter main part, the inside water cooling mechanism that is provided with of box, water cooling mechanism includes the inside water tank of fixed mounting at the box, fixed mounting has the water pump on the water tank, the water inlet fixedly connected with of water pump extends to the drinking-water pipe of water tank inside, delivery port fixedly connected with heat exchange tube, the one end fixedly connected with of heat exchange tube extends to the outside back flow of box, one side of base is provided with carries out radiating air cooling device to the back flow, still be provided with the mechanism of taking a breath that is used for carrying out dehumidification purification to the box inside air on the box.

Preferably, the air cooling device comprises a plurality of through grooves which are distributed at equal intervals from top to bottom and fixedly installed on the outer wall of the box body, the fans are fixedly installed inside the through grooves, the backflow pipe sequentially penetrates through the plurality of through grooves, and the tail end of the backflow pipe extends into the water tank.

Preferably, the ventilation mechanism comprises an air pump fixedly mounted on the outer wall of the box body, an air inlet of the air pump is fixedly connected with an air inlet pipe extending into the box body, an air outlet is communicated with an air filtering device through a pipeline, and the bottom of the air filtering device is communicated with an air outlet pipe extending into the box body.

Preferably, a dust filter net is fixedly installed inside the air filter device, and granular drying agents are filled below the dust filter net.

Preferably, the bottom of the water tank is fixedly connected with a connecting pipe, and a valve is fixedly mounted on the connecting pipe.

Preferably, the heat exchange tube is spirally arranged in a snake shape.

Preferably, the front surface of the box body is fixedly provided with an access door.

Advantageous effects

The utility model provides a photovoltaic energy storage bidirectional converter. Compared with the prior art, the method has the following beneficial effects:

(1) This photovoltaic energy storage bidirectional converter, through set up water cooling mechanism inside the box, water cooling mechanism includes the water tank, a water pump, the drinking-water pipe, heat exchange tube and back flow, start-up water pump can circulate the inside of the inside coolant liquid of water tank through the drinking-water pipe extraction heat exchange tube, and then carry out the heat exchange through the hot-air of heat exchange tube and the box inside, force the water-cooling with air cooling to the box inside, coolant liquid after the heat absorption gets into inside the back flow, through setting up air cooling device, utilize logical inslot air convection and fan to blow the coolant liquid quick cooling of flowing through the back flow, at last backward flow to the inside circulated use that carries out of water tank, and then adopt water-cooled mode to change traditional forced air-cooled radiating mode, the leakproofness and the radiating effect of this photovoltaic energy storage bidirectional converter have been improved.

(2) This photovoltaic energy storage bidirectional converter, through set up ventilator on the box, ventilator includes the aspiration pump, the intake pipe, air filter and outlet duct, and then at overcast and rainy weather, the moisture can see through the chamber door of box and get into inside the box, can extract the inside air of box to inside the air filter through starting the aspiration pump, and then can filter and dehumidification the air of taking out through the box through inside dust filter and the drier of air filter, and then inside the gaseous rethread outlet duct backward flow to the box after the dry purification, and then avoided overcast and rainy weather box inside moisture too big and the inside dust of box too much to cause the corruption to inside converter, extension photovoltaic energy storage bidirectional converter's life.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention;

fig. 3 is a schematic diagram of the present invention in a partially enlarged structure shown in fig. 2.

In the figure: 1. a base; 2. a box body; 21. an access door; 22. a current transformer main body; 3. a water cooling mechanism; 31. a water tank; 311. a connecting pipe; 32. a water pump; 33. a water pumping pipe; 34. a heat exchange pipe; 35. a return pipe; 4. an air cooling device; 41. a through groove; 42. a fan; 5. a ventilation mechanism; 51. an air pump; 52. an air inlet pipe; 53. an air filtration device; 531. a dust filter screen; 532. a desiccant; 54. and an air outlet pipe.

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.

Referring to fig. 1-3, the present invention provides two technical solutions:

the first embodiment is as follows:

the utility model provides a photovoltaic energy storage bidirectional converter, the on-line screen storage device comprises a base 1, base 1's top fixed mounting has box 2, the inside fixed mounting of box 2 has converter main part 22, the inside water-cooling mechanism 3 that is provided with of box 2, water-cooling mechanism 3 includes the inside water tank 31 of fixed mounting at box 2, fixed mounting has water pump 32 on the water tank 31, water pump 32's water inlet fixedly connected with extends to the inside drinking-water pipe 33 of water tank 31, delivery port fixedly connected with heat exchange tube 34, the one end fixedly connected with of heat exchange tube 34 extends to the outside back flow 35 of box 2, one side of base 1 is provided with carries out radiating air cooling device 4 to back flow 35, still be provided with on the box 2 and be used for carrying out dehumidification purification's the inside air of box 2 mechanism 5 of taking a breath.

The second embodiment:

a photovoltaic energy storage bidirectional converter comprises a base 1, wherein a box body 2 is fixedly installed at the top of the base 1, a converter main body 22 is fixedly installed inside the box body 2, and an access door 21 is fixedly installed on the front side of the box body 2, so that the converter main body 22 inside the box body 2 can be conveniently overhauled and maintained in the later period; the water cooling mechanism 3 is arranged in the box body 2, the water cooling mechanism 3 comprises a water tank 31 fixedly arranged in the box body 2, the bottom of the water tank 31 is fixedly connected with a connecting pipe 311, a valve is fixedly arranged on the connecting pipe 311, and cooling liquid is conveniently added into or discharged from the water tank 31 through the connecting pipe 311; the water pump 32 is fixedly installed on the water tank 31, a water inlet of the water pump 32 is fixedly connected with a water pumping pipe 33 extending to the inside of the water tank 31, a water outlet of the water pump 32 is fixedly connected with a heat exchange pipe 34, one end of the heat exchange pipe 34 is fixedly connected with a return pipe 35 extending to the outside of the box body 2, the heat exchange pipe 34 is arranged in a snake-shaped spiral surrounding mode, the flowing time of cooling liquid in the heat exchange pipe 34 is prolonged, and the cooling liquid in the heat exchange pipe 34 can fully exchange heat with air in the box body 2; one side of the base 1 is provided with an air cooling device 4 for dissipating heat of the return pipe 35, the air cooling device 4 comprises a plurality of through grooves 41 which are distributed at equal intervals from top to bottom and fixedly installed on the outer wall of the box body 2, fans 42 are fixedly installed inside the through grooves 41, the return pipe 35 sequentially penetrates through the through grooves 41, the tail end of the return pipe 35 extends into the water tank 31, air convection can be formed inside the through grooves 41, and then the return pipe 35 can rapidly exchange heat when passing through the inside of the through grooves 41, meanwhile, air is blown to the return pipe 35 through the fans 42, and cooling liquid in the return pipe 35 is dissipated by air cooling; the box body 2 is also provided with a ventilation mechanism 5 for dehumidifying and purifying air in the box body 2, the ventilation mechanism 5 comprises an air suction pump 51 fixedly mounted on the outer wall of the box body 2, an air inlet pipe 52 extending into the box body 2 is fixedly connected to an air inlet of the air suction pump 51, an air filter device 53 is communicated with an air outlet through a pipeline, a dust filter net 531 is fixedly mounted in the air filter device 53, a granular drying agent 532 is filled below the dust filter net 531, the dust filter net 531 can filter and remove dust from the air pumped into the air filter device 53, and the drying agent 532 can dehumidify and dry the air pumped into the air filter device 53; air filter 53 bottom intercommunication has the outlet duct 54 that extends to the inside of box 2, in overcast and rainy weather, the moisture can see through the chamber door entering box 2 of box 2 inside, can extract the inside air of box 2 to air filter 53 inside through starting aspiration pump 51, and then can filter and the dehumidification through the inside dust filter 531 of air filter 53 and drier 532 to the air that takes out through box 2 and handle, and then the gas after the dry purification flows back to inside of box 2 through outlet duct 54 again, reach the purpose that air cycle purified the dehumidification.

When the photovoltaic energy storage bidirectional converter is used, the water cooling mechanism 3 is arranged in the box body 2, the water cooling mechanism 3 comprises a water tank 31, a water pump 32, a water pumping pipe 33, a heat exchange pipe 34 and a return pipe 35, when the converter main body 22 in the box body 2 runs, a large amount of heat can be gathered in the box body 2, the water pump 32 is started to enable cooling liquid in the water tank 31 to be pumped into the heat exchange pipe 34 through the water pumping pipe 33 for circulation, then heat exchange is carried out between the heat exchange pipe 34 and hot air in the box body 2, air cooling is carried out on the interior of the box body 2 for forced water cooling, the cooling liquid after heat absorption enters the return pipe 35, the air cooling device 4 is arranged, air convection in the through groove 41 and air blowing of the fan 42 are utilized for fast cooling of the cooling liquid flowing through the return pipe 35, and finally the cooling liquid flows back to the interior of the water tank 31 for circulation use, the traditional forced air cooling mode is changed, and the sealing performance and the heat dissipation effect of the photovoltaic energy storage bidirectional converter are improved; additionally the utility model discloses a set up ventilation mechanism 5 on box 2, ventilation mechanism 5 includes aspiration pump 51, intake pipe 52, air filter 53 and outlet duct 54, and then in overcast and rainy weather, the moisture can see through inside the chamber door entering box 2 of box 2, can extract the inside air of box 2 to air filter 53 through starting aspiration pump 51, and then can filter and dehumidification the air of taking out through box 2 through inside dust screen 531 of air filter 53 and drier 532, and then the gas after the dry purification flows back to inside the box 2 through outlet duct 54 again, and then avoided overcast and rainy weather box 2 inside moisture too big and box 2 inside dust too much to cause the corruption to inside converter, the life of extension photovoltaic energy storage bidirectional converter.

And those not described in detail in this specification are well within the skill of the art.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a photovoltaic energy storage bidirectional converter, includes base (1), its characterized in that: the utility model discloses a refrigerator, including base (1), water tank (31), water pump (32), water inlet fixedly connected with of water pump (32) extends to inside drinking-water pipe (33) of water tank (31), delivery port fixedly connected with heat exchange tube (34), the one end fixedly connected with of heat exchange tube (34) extends to outside back flow (35) of box (2), one side of base (1) is provided with carries out radiating air cooling device (4) to back flow (35), still be provided with on box (2) and be used for carrying out dehumidification purification's ventilation mechanism (5) to box (2) inside air, the inside fixed mounting of box (2) has converter main part (22), box (2) inside is provided with water-cooling mechanism (3), water-cooling mechanism (3) including fixed mounting at inside water tank (31), water-cooling mechanism (34) is gone up.

2. The photovoltaic energy storage bidirectional converter according to claim 1, characterized in that: air cooling plant (4) include a plurality of top-down equidistant distribution and fixed mounting lead to groove (41) at box (2) outer wall, lead to the inside fixed mounting of groove (41) and have fan (42), back flow (35) run through in proper order through a plurality of logical groove (41) inside, just back flow (35) end extends to inside water tank (31).

3. The photovoltaic energy storage bidirectional converter according to claim 1, characterized in that: the ventilation mechanism (5) comprises an air suction pump (51) fixedly mounted on the outer wall of the box body (2), an air inlet of the air suction pump (51) is fixedly connected with an air inlet pipe (52) extending to the inside of the box body (2), an air outlet is communicated with an air filtering device (53) through a pipeline, and the bottom of the air filtering device (53) is communicated with an air outlet pipe (54) extending to the inside of the box body (2).

4. A photovoltaic energy storage bi-directional converter according to claim 3, characterized in that: a dust filtering net (531) is fixedly installed in the air filtering device (53), and granular drying agents (532) are filled below the dust filtering net (531).

5. The photovoltaic energy storage bidirectional converter according to claim 1, characterized in that: the bottom fixedly connected with connecting pipe (311) of water tank (31), fixed mounting has the valve on connecting pipe (311).

6. The photovoltaic energy storage bidirectional converter according to claim 1, characterized in that: the heat exchange tubes (34) are spirally arranged in a serpentine surrounding manner.

7. The photovoltaic energy storage bidirectional converter according to claim 1, characterized in that: and an access door (21) is fixedly arranged on the front surface of the box body (2).