CN204408245U - Photovoltaic energy storage device - Google Patents

Abstract

The utility model provides a photovoltaic energy storage device, which comprises a box body, an inverter installed in the box body, and several battery packs. The box body is provided with a receiving chamber, and the inverter is accommodated in the receiving chamber. Several battery packs are accommodated in the accommodation cavity and located below the inverter. Wherein, a relief cavity is formed between two adjacent battery packs, a mounting frame is accommodated in the relief cavity, and a battery management unit is mounted on the mounting frame. With such arrangement, the photovoltaic energy storage device of the present utility model has simple structure, reasonable layout and convenient installation.

Description

Photovoltaic energy storage device

technical field

The utility model relates to the technical field of photovoltaic power generation, in particular to a photovoltaic energy storage device with a simple structure.

Background technique

Photovoltaic power generation, as one of many solar energy resources, has been widely used in people's lives today. But at present, photovoltaic power generation is mostly used in large-scale power stations, and the civilian market is small. With the vigorous development of the photovoltaic industry, photovoltaic products for ordinary consumers or small enterprises are becoming more and more abundant, and many off-grid interoperable devices have emerged to meet daily electricity demand; among them, photovoltaic energy storage technology is The more important part in this field is to store the electric energy of photovoltaic power generation, which is conducive to emergency use and also increases portability.

Therefore, it is necessary to provide a photovoltaic energy storage device to solve the above problems.

Utility model content

The purpose of the utility model is to provide a photovoltaic energy storage device with simple structure, reasonable layout and stable use.

In order to achieve the purpose of the above utility model, the utility model provides a photovoltaic energy storage device, including: a box body, the box body is provided with a storage cavity; an inverter is stored in the storage cavity; several battery packs are stored in The storage chamber is located below the inverter, wherein a relief chamber is formed between two adjacent battery packs; the installation frame is accommodated in the relief chamber; the battery management unit is installed on the mount.

As a further improvement of the present utility model, the installation frame is a rectangular parallelepiped frame formed by connecting several horizontal beams and vertical vertical beams, and the beams are provided with installation parts for positioning the battery management unit.

As a further improvement of the present utility model, the installation part is an installation column protruding upward from a position on the upper surface of the beam close to the rear side of the box.

As a further improvement of the utility model, the battery pack is placed vertically, and the two side walls of the battery pack are provided with cooling vents, and the two sides of the adjacent battery pack of the mounting frame are designed to penetrate inside and outside, so that the Other parts of the installation frame that are not provided with the battery management unit form a heat dissipation channel for the battery pack to dissipate heat.

As a further improvement of the utility model, the box body further includes an upper cover, a lower cover opposite to the upper cover, and vertically extending support beams on both sides, and the support beams fix the upper cover and the lower cover up and down. The cover, the accommodating cavity is located between the upper cover, the lower cover and the supporting beam.

As a further improvement of the present utility model, the support beams are arranged in pairs and front and rear intervals on both sides of the box body, and the box body is also provided with side plates fixed between the front and rear support beams, and the side plates are provided with inner and outer Through vents.

As a further improvement of the present utility model, the photovoltaic energy storage device further includes a tray accommodated in the storage cavity, and the tray divides the storage cavity into a first storage cavity located on the upper side of the tray and a first storage cavity located on the tray. In the second receiving cavity on the lower side, the inverter is stored in the first receiving cavity, and the battery pack and the installation frame are both stored in the second receiving cavity.

As a further improvement of the utility model, the tray is provided with a positioning guide rail for installing and fixing the inverter.

As a further improvement of the utility model, the photovoltaic energy storage device further includes a frame body accommodated in the second storage cavity for installing the battery pack and the mounting frame, and the frame body has guide rails respectively located on the upper and lower sides , the top and the bottom of the battery pack are respectively provided with sliding bars matching with the guide rails.

As a further improvement of the utility model, the photovoltaic energy storage device also includes a door arranged on the front side of the box to open or close the box, the door is provided with a display screen, and the inverter is close to The front side of the display screen is provided with a deflector for isolating the display screen and the inverter.

The beneficial effects of the utility model are: the photovoltaic energy storage device of the utility model has a simple structure and a reasonable layout.

Description of drawings

Fig. 1 is a perspective view of the utility model photovoltaic energy storage device;

Fig. 2 is a schematic diagram of opening the door of the photovoltaic energy storage device of the present invention;

Fig. 3 is a schematic diagram of the back of the photovoltaic energy storage device of the present invention.

Fig. 4 is a schematic diagram of a drawer-type battery pack of the photovoltaic energy storage device of the present invention and a frame for installing the drawer-type battery pack.

Fig. 5 is a schematic diagram of a mounting frame for installing a battery management unit in the photovoltaic energy storage device of the present invention.

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

Please refer to FIG. 1 to FIG. 5 which show a preferred embodiment of the photovoltaic energy storage device 100 of the present invention. The photovoltaic energy storage device 100 includes a box body 1, an inverter 2 housed in the box body 1 and arranged horizontally, several battery packs 3, a door body 4 for opening or closing the box body 1, and a door body installed on the door body 4 Display 5.

Described box body 1 has the supporting beam 11 that is positioned at both sides and extends vertically, the upper cover 12 and the lower cover 13 that are respectively fixed with the top end and the bottom end of supporting beam 11, and the supporting beam 11 that is respectively fixed on both sides along the front-back direction. Between the side panels 14. The supporting beams 11 are respectively arranged in pairs on both sides of the box body 1 and spaced front and back. The outer surface of the side plate 14 is flush with the outer surface of the support beam 11 . The side plate 14 is provided with a plurality of exhaust outlets 141 for heat dissipation. A receiving cavity 10 is formed between the supporting beam 11 , the upper cover 12 and the lower cover 13 .

Referring to FIG. 2 and FIG. 3 , the box body 1 is further provided with a tray 15 that divides the storage cavity 10 into a first storage cavity 101 and a second storage cavity 102 up and down. The first receiving chamber 101 is located above the second receiving chamber 102 . The inverter 2 is accommodated in the first accommodation cavity 101 above the tray 15, and the upper surface of the tray 15 is fixed with a positioning guide rail 151 for installing and positioning the inverter 2; the battery pack 3 It is arranged in the second accommodation cavity 102 below the inverter 2 .

To facilitate the installation of the battery pack 3 , the photovoltaic energy storage device 100 further includes a frame body 6 accommodated in the second receiving cavity 102 to support the battery pack 3 .

The frame body 6 is arranged in a frame shape, and has a receiving space 61 inside and two support frames 62 arranged on the top and bottom. The tray 15 is arranged above the support frame 62 at the top. The frame body 6 is respectively provided with a plurality of drawer-type guide rails 63 on the upper and lower support frames 62 , and each guide rail 63 is arranged parallel to the side plate 14 .

The battery pack 3 includes a battery rack 31 and a battery (not labeled) installed in the battery rack 31 . The side of the battery rack 31 is provided with a cooling vent 311 , the side close to the door 4 is provided with an operating handle 312 , and the top and bottom are respectively provided with sliding bars 313 extending along the front and rear directions. The sliding bar 313 is parallel to the side plate 14 , and the sliding bar 313 is used to cooperate with the guide rail 63 of the frame body 6 so that the battery pack 3 can be pushed into or pulled out of the receiving space 61 in a drawer shape. In this embodiment, the photovoltaic energy storage device 100 includes four battery packs 3, and the four battery packs 3 are divided into two groups arranged symmetrically, and a gap is formed between two adjacent battery packs 3 located in the middle. The cavity 30 is used to form a heat dissipation channel for the heat dissipation of the battery pack 3 .

The inverter 2 is placed on the tray 15 above the supporting frame 62 on the top of the frame body 6 , and is electrically connected to the battery pack 3 and the display screen 5 .

The photovoltaic energy storage device 100 is further provided with a mounting frame 7 installed in the receiving space 61 and fixed in the accommodation space 30 in the second accommodation cavity 102 . The mounting frame 7 is a vertically arranged cuboid frame, which includes four vertically extending vertical beams 71 and several horizontally extending cross beams 72, wherein every four cross beams 72 are connected to each other to form a horizontal rectangular frame, A plurality of mounting columns 722 protruding upward from the upper surface 721 of the beam 72 for mounting the battery management unit 8 are also provided on the two opposite beams. The battery management unit 8 is fixed above the rectangular frame formed by the beam 72 through the mounting column 722 . The battery management unit 8 is electrically connected to the battery pack 3. On the one hand, it can control the battery pack 3 to perform charging and discharging operations; ) to send out.

In this embodiment, when the door body 4 is closed on the box body 1, the display screen 5 is located directly in front of the inverter 2, in order to prevent the heat generated by the inverter 2 from directly facing the display screen 5, the box body 1 is also provided with a deflector 9 blocked behind the display screen 5, the deflector 9 has two guide plates (not shown) extending obliquely toward the outside of the display screen 5 and connecting Two guide plates and a baffle plate 91 arranged parallel to the door body 4 .

To sum up, the photovoltaic energy storage device 100 of the present utility model provides a relief cavity 30 between the battery packs 3 to form a ventilation channel, which is more conducive to the heat dissipation of the battery pack 3, and at the same time, a mounting frame 7 is arranged on the battery pack 3 The battery management unit is installed in the step-off cavity 30, so that the internal structure layout of the photovoltaic energy storage device 100 of the present utility model is simpler and can be used more rationally.

It should be understood that although this description is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the description is only for clarity, and those skilled in the art should take the description as a whole, and each The technical solutions in the embodiments can also be properly combined to form other embodiments that can be understood by those skilled in the art.

The series of detailed descriptions listed above are only specific descriptions of the feasible implementation modes of the present utility model, and they are not used to limit the protection scope of the present utility model. Embodiments or modifications should be included within the protection scope of the present utility model.

Claims (10)

1. a photovoltaic energy storage device, is characterized in that, comprising:

Casing, described casing is provided with host cavity;

Inverter, is housed in described host cavity;

Some power brick, to be housed in described host cavity and to be positioned at the below of described inverter, wherein, form one and step down chamber described in adjacent two between power brick;

Installing rack, steps down described in being housed in chamber;

Battery management unit, is arranged on described installing rack.

2. photovoltaic energy storage device as claimed in claim 1, it is characterized in that: described installing rack is the cuboid framework that some crossbeams of horizontal-extending and some vertical beams of vertically extension are connected to form, and described crossbeam is provided with the installation portion of locating described battery management unit.

3. photovoltaic energy storage device as claimed in claim 2, is characterized in that: described installation portion is the erection column of the upwards projection from the position of described beam surface upper on rear side of described casing.

4. photovoltaic energy storage device as claimed in claim 1, it is characterized in that: described power brick is vertically placed, and the two side of described power brick all offers thermovent, run through design inside and outside the both sides of described installing rack adjacent cell bag, other parts making described installing rack not arrange described battery management unit form the heat dissipation channel in order to power brick heat radiation.

5. photovoltaic energy storage device as claimed in claim 1, it is characterized in that: described casing is provided with upper cover, the lower cover relative with upper cover and is positioned at both sides and the brace summer vertically extended, described brace summer fixes described upper cover and described lower cover up and down, and described host cavity is formed between described upper cover, lower cover and described brace summer.

6. photovoltaic energy storage device as claimed in claim 5, it is characterized in that: described brace summer is paired time interval setting respectively in casing both sides, described casing also comprises the side plate be fixed between the brace summer of front and back two, the exhaust outlet run through inside and outside described side plate is provided with.

7. photovoltaic energy storage device as claimed in claim 1, it is characterized in that: described photovoltaic energy storage device also comprises the pallet be housed in described host cavity, described host cavity is divided into the first host cavity be positioned on the upside of pallet and the second host cavity be positioned on the downside of described pallet by described pallet, described inverter is housed in described first host cavity, and described power brick and described installing rack are all housed in the second host cavity.

8. photovoltaic energy storage device as claimed in claim 7, is characterized in that: described pallet is provided with in order to install and to fix the positioning guide rail of described inverter.

9. photovoltaic energy storage device as claimed in claim 7, it is characterized in that: described photovoltaic energy storage device also comprises and being housed in the second host cavity in order to install the support body of described power brick and described installing rack, described support body has the guide rail laying respectively at upper and lower sides, and described power brick top and bottom are respectively arranged with the draw runner matched with described guide rail.

10. photovoltaic energy storage device as claimed in claim 1, it is characterized in that: described photovoltaic energy storage device also comprises and is arranged on cabinet front in order to open or to close the door body with casing, described door body is provided with display screen, and described inverter is provided with one in order to the conducting element by described display screen and the isolation of described inverter near the front side of display screen.