Photovoltaic lithium battery energy storage integrated device
By improving the installation structure of the cooling fan and adopting a spring and limit block design, the problems of difficult disassembly of the cooling fan and dust accumulation were solved, which simplified operation, improved heat dissipation efficiency, and extended the service life of the device.
Patent Information
- Application Number
- CN202422333690.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-25
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-09-25
AI Technical Summary
In existing photovoltaic lithium battery energy storage integrated devices, the cooling fan is difficult to disassemble and dust accumulation leads to a decrease in heat dissipation efficiency, affecting the device's performance and lifespan.
The design incorporates a mounting plate and cooling fan, utilizing a spring and limiting block structure to make the cooling fan easy to disassemble and clean. The arc-shaped limiting block and locking groove enable quick fixing and detachment, combined with a dustproof design for the ventilation holes.
It simplifies the disassembly and cleaning process of the cooling fan, improves heat dissipation efficiency, and extends the service life of the device.
Smart Images

Figure CN223598925U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to photovoltaic lithium battery energy storage device technical field especially relates to a photovoltaic lithium battery energy storage integrated device. BACKGROUND
[0002] A kind of photovoltaic lithium battery energy storage integrated device, it is the modernization energy storage system combined with photovoltaic power generation technology and lithium battery energy storage technology, this device can effectively convert solar energy into electrical energy, and store in lithium battery, for subsequent use.
[0003] The device usually includes: solar panel, lithium battery pack, controller, connecting wire, inverter and cabinet assembly, the internal design of cabinet assembly is multilayer structure, lithium battery pack, controller and inverter are installed in multilayer structure respectively, each structure is connected by connecting wire, solar panel is installed at the place with sunlight outside, solar panel is connected with cabinet assembly by connecting wire, so that the overall device has the characteristics of electrical connection, the working principle of the device is that solar panel converts light energy into electrical energy, connecting wire transmits electrical energy to controller, controller converts electrical energy into electrical energy that can be stored by lithium battery pack, lithium battery pack converts electrical energy into electrical energy for outside use by inverter, the overall device is assembled in integrated mode by cabinet assembly, and the device occupies less space.
[0004] The lithium battery pack on the device generates heat during charging and discharging, and the integrated design makes the heat dissipation space of lithium battery pack smaller, so if the heat at this position is not controlled properly, it may cause the performance of lithium battery pack to decrease, the service life to shorten or even cause the safety problem of thermal runaway, therefore, in the prior art, a heat dissipation fan is usually installed at the position of lithium battery pack, the heat dissipation fan is fixedly connected to the position of cabinet assembly close to lithium battery pack by bolts, then in the long-term use process, a large amount of dust will accumulate inside and on the surface of the heat dissipation fan, the accumulation of dust will form thick dirt, the dirt layer will cause air to be unable to circulate normally, so that the heat dissipation fan cannot normally suck cold air into the device, thereby reducing the heat dissipation efficiency, so it is necessary to regularly disassemble and clean the heat dissipation fan, and since the bolt is small, the screw needs to be inserted into the inside for disassembly during the disassembly process of the heat dissipation fan fixedly connected by bolts, at this time, the operation space for disassembly is small, and the difficulty of disassembly is too large.
[0005] Therefore, it is necessary to provide a new photovoltaic lithium battery energy storage integrated device to solve the above technical problems. UTILITY MODEL CONTENTS
[0006] To solve the above technical problems, the utility model provides a photovoltaic lithium battery energy storage integrated device.
[0007] The photovoltaic lithium battery energy storage integrated device provided by the utility model includes: an energy storage device body and a plurality of heat dissipation devices, one side of the plurality of heat dissipation devices is movably connected with one side of the energy storage device body;
[0008] The heat dissipation device comprises: a mounting plate and a plurality of heat dissipation fans, one side of the energy storage device body is provided with a mounting groove, opposite sides of the mounting groove are each provided with a plurality of movable grooves, the bottom end of the plurality of movable grooves is provided with a spring, one end of the plurality of springs away from the movable grooves is fixedly connected with a limiting block, one end of the plurality of limiting blocks away from the movable grooves is arranged in a circular arc shape, the two sides of the plurality of limiting blocks are each provided with a fixed block, the plurality of fixed blocks extend into the two sides of the plurality of movable grooves, respectively, the lower end of the plurality of movable grooves is provided with a clamping groove, respectively, the plurality of heat dissipation fans are installed in the inside of the mounting plate, the two ends of the mounting plate are each provided with a plurality of clamping blocks, and the plurality of clamping blocks extend into the plurality of clamping grooves, respectively.
[0009] Preferably, a plurality of heat dissipation holes are uniformly arranged on the mounting plate.
[0010] Preferably, the plurality of heat dissipation fans are three, and the three heat dissipation fans are installed in the inside of the mounting plate.
[0011] Preferably, the energy storage device body comprises: a photovoltaic solar panel, a connecting wire and a cabinet assembly, one side of the photovoltaic solar panel is connected with one side of the cabinet assembly through the connecting wire, and the mounting groove is located at the lower end side of the cabinet assembly.
[0012] Preferably, the cabinet assembly comprises: a cabinet, a controller, a lithium battery pack and an inverter, the controller, the lithium battery pack and the inverter are installed in the inside of the cabinet, respectively, the mounting groove is located at the position close to the lithium battery pack on the side of the cabinet, and the photovoltaic solar panel is connected with the cabinet through the connecting wire.
[0013] Preferably, the lithium battery pack is composed of four lithium batteries, and the four lithium batteries are installed in the inside of the cabinet, respectively.
[0014] Compared with the related art, the photovoltaic lithium battery energy storage integrated device has the following beneficial effects: in use, the plurality of clamping blocks on the mounting plate are pushed towards the direction close to the mounting groove on the energy storage device body, at this time, the plurality of clamping blocks extrude the plurality of limiting blocks, the plurality of limiting blocks are provided with a circular arc shape at the edge, at this time, the plurality of limiting blocks move towards the direction close to the movable groove bottom, the plurality of springs are in a compressed state at this time, the mounting plate is continuously pushed, when the clamping blocks move into the clamping groove, at this time, the plurality of springs provide elastic force to push out the plurality of limiting blocks, the plurality of clamping blocks are clamped and fixed in the clamping groove, when the heat dissipation fan needs to be disassembled for cleaning, at this time, the limiting block is manually pulled to move towards the direction close to the movable groove bottom, when the limiting block does not block the clamping block, at this time, the clamping block is disengaged from the clamping groove, at this time, the mounting plate can be directly disassembled from the energy storage device body, at this time, the heat dissipation fan on the mounting plate can be cleaned, the device is simple to operate, in use, the heat dissipation fan can be disassembled more easily, the heat dissipation efficiency of the heat dissipation fan is improved, and the service life of the energy storage device is prolonged. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 The whole device structure schematic diagram of the photovoltaic lithium battery energy storage integrated device is provided.
[0016] Figure 2 The cabinet assembly structure schematic diagram is provided.
[0017] Figure 3 The mounting plate part device split drawing is provided.
[0018] Figure 4 The movable groove specific structure schematic diagram of the mounting groove of the cabinet is provided.
[0019] Figure 5 The cross-sectional view of the movable groove of the mounting groove of the cabinet is provided.
[0020] Marked numbers in the figure: 1, mounting plate; 2, heat dissipation fan; 3, heat dissipation hole; 4, mounting groove; 5, movable groove; 6, spring; 7, limiting block; 8, clamping groove; 9, clamping block; 10, photovoltaic solar panel; 11, connecting wire; 12, cabinet; 13, controller; 14, lithium battery; 15, inverter; 16, fixed block. DETAILED DESCRIPTION
[0021] The utility model will be further described below in combination with the drawings and embodiments.
[0022] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 andFigure 5 , Figure 1 The whole device structure schematic diagram of the photovoltaic lithium battery energy storage integrated device is provided; Figure 2 The cabinet assembly structure schematic diagram is provided; Figure 3 The installation plate part device split drawing is provided; Figure 4 The movable groove specific structure schematic diagram of the installation groove of the cabinet is provided; Figure 5 The cross-sectional view of the movable groove of the installation groove of the cabinet is provided.
[0023] In the specific implementation process, as Figures 1-5 Indicated, the photovoltaic lithium battery 14 energy storage integrated device provided by the utility model includes: energy storage device body and multiple heat dissipation devices, one side of multiple heat dissipation devices is movably connected with one side of the energy storage device body;
[0024] The heat dissipation device includes: mounting plate 1 and multiple heat dissipation fans 2, one side of the energy storage device body is provided with an installation groove 4, the opposite side of the installation groove 4 is provided with multiple movable grooves 5, the bottom end of multiple movable grooves 5 is provided with a spring 6, one end of multiple springs 6 away from the movable groove 5 is fixedly connected with a limiting block 7, one end of multiple limiting blocks 7 away from the movable groove 5 is provided as a circular arc, the two sides of multiple limiting blocks 7 are provided with a fixed block 16, multiple fixed blocks 16 extend into the inside of multiple movable grooves 5 respectively, the lower end of multiple movable grooves 5 is provided with a clamping groove 8 respectively, multiple heat dissipation fans 2 are installed in the inside of the mounting plate 1, the two ends of the mounting plate 1 are provided with multiple clamping blocks 9, multiple clamping blocks 9 extend into multiple clamping grooves 8 respectively, one end of the above multiple limiting blocks 7 away from the movable groove 5 is provided as a circular arc, so that, in use, multiple limiting blocks 7 will move towards the direction close to the inside of the movable groove when being extruded, and the fixed block 16 provided on the two sides of the above multiple limiting blocks 7 respectively extends into the inside of multiple movable grooves 5, so that the limiting block 7 can more stably fix the clamping block.
[0025] Multiple heat dissipation holes 3 are uniformly arranged on the mounting plate 1, and the multiple heat dissipation holes 3 are provided with dustproof design, in the use process, multiple heat dissipation holes 3 can play a better heat dissipation effect, and can block dust.
[0026] Multiple heat dissipation fans 2 are three, and the three heat dissipation fans 2 are installed in the inside of the mounting plate 1.
[0027] The energy storage device body includes: a photovoltaic solar panel 10, a connecting wire 11 and a cabinet assembly, one side of the photovoltaic solar panel 10 is connected with one side of the cabinet 12 assembly through the connecting wire 11, the installation groove 4 is located at the lower end side of the cabinet 12 assembly, and the above-mentioned photovoltaic solar panel 10 can convert solar energy into electric energy and transmit the electric energy to the device inside the cabinet assembly through the connecting wire 11.
[0028] The cabinet assembly includes a cabinet 12, a controller 13, a lithium battery pack, and an inverter 15. The controller 13, the lithium battery pack, and the inverter 15 are installed inside the cabinet 12. The mounting slot 4 is located on the side of the cabinet 12 near the lithium battery pack. The photovoltaic solar panel 10 is connected to the cabinet 12 via a connecting wire 11. The cabinet 12 is designed with a multi-layer internal structure to store the controller 13, the lithium battery pack, and the inverter 15, thus integrating the entire device and saving space. The controller 13 is used to regulate the electrical energy generated by the photovoltaic solar panel 10 to meet the charging requirements of the lithium battery pack. The lithium battery pack is used to store electrical energy. The inverter 15 is used to convert the electrical energy stored in the lithium battery pack into usable electrical energy. All the above devices are connected to the inside of the cabinet 12 via the connecting wire 11, and multiple cooling fans 2 are also connected to the cabinet 12 via the connecting wire 11.
[0029] The lithium battery pack consists of four lithium batteries, which are installed inside the cabinet 12.
[0030] The working principle of this utility model is as follows: In specific use, the photovoltaic solar panel 10 is installed outdoors in a place where it can be exposed to sunlight. At this time, the photovoltaic solar panel 10 is connected to the cabinet 12 through the connecting wire 11, and the device starts to operate. During long-term operation, the lithium battery 14 needs to be cooled. At this time, the mounting plate 1 is manually moved towards the mounting groove 4. At this time, the locking block 9 contacts the limiting block 7, and the limiting block 7 moves towards the inside of the movable groove 5. The multiple springs 6 are in a compressed state. When the locking block 9 moves into the locking groove 8, the springs 6 are compressed. The elastic force is used to pop out the limiting block 7 and fix the locking block 9 in the locking groove 8. At this time, the cover plate on the outer surface of the mounting groove 4 is connected, and the device is installed. During long-term use, it may be necessary to disassemble, repair, replace or clean the cooling fan 2. At this time, simply move the limiting block 7 towards the bottom of the movable groove 5, and the mounting plate 1 can be removed to repair, replace or clean the cooling fan 2. The device is simple to operate and can effectively dissipate heat from the lithium battery 14 during use. The device is easy to install and disassemble, providing convenience during long-term use.
[0031] The circuits and controls involved in this utility model are all existing technologies, and will not be described in detail here.
[0032] The above merely illustrates the embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, which are made according to the content of the present application specification and drawings, are also included in the patent protection scope of the present application.
Claims
1. A photovoltaic lithium battery energy storage integrated device, characterized in that, Include: Energy storage device body and a plurality of heat dissipation devices, a plurality of said heat dissipation device side with the energy storage device body side of the movable connection; The heat dissipation device includes: mounting plate (1) and a plurality of heat dissipation fan (2), the energy storage device body side is equipped with mounting groove (4), the opposite side of mounting groove (4) is equipped with a plurality of movable slot (5), the bottom end of a plurality of movable slot (5) is provided with spring (6), a plurality of said spring (6) away from the movable slot (5) one end fixedly connected with limit block (7), a plurality of said limit block (7) away from the movable slot (5) one end is set to circular arc, both sides of a plurality of limit block (7) are provided with fixed block (16), a plurality of said fixed block (16) extends into the inside of a plurality of movable slot (5) two sides respectively, the lower end of a plurality of movable slot (5) is provided with clamping groove (8), a plurality of said heat dissipation fan (2) is installed in the inside of mounting plate (1), both ends of mounting plate (1) are provided with a plurality of clamping block (9), a plurality of said clamping block (9) extends into a plurality of clamping groove (8) respectively.
2. The photovoltaic lithium cell energy storage integrated device of claim 1, wherein, The mounting plate (1) is provided with a plurality of heat dissipation holes (3) evenly.
3. The photovoltaic lithium cell energy storage integrated device of claim 2, wherein, The plurality of heat dissipation fan (2) is three, three said heat dissipation fan (2) is installed in the inside of mounting plate (1).
4. The photovoltaic lithium cell energy storage integrated device of claim 3, wherein, The energy storage device body includes: photovoltaic solar panel (10), connecting wire (11) and cabinet (12) assembly, one side of the photovoltaic solar panel (10) and one side of the cabinet (12) assembly are connected through the connecting wire (11), and the mounting groove (4) is located at the lower end of the cabinet (12) assembly.
5. The photovoltaic lithium cell energy storage integrated device of claim 4, wherein, The cabinet (12) assembly includes: cabinet (12), controller (13), lithium battery pack and inverter (15), the controller (13), the lithium battery pack and the inverter (15) are installed in the inside of the cabinet (12) respectively, the mounting groove (4) is located at the position close to the lithium battery pack on the side of the cabinet (12), and the photovoltaic solar panel (10) and the cabinet (12) are connected through the connecting wire (11).
6. The photovoltaic lithium cell energy storage integrated device of claim 5, wherein, The lithium battery pack is composed of four lithium batteries, and the four lithium batteries (14) are installed in the inside of the cabinet (12) respectively.