Distributed optical storage inverter

Abstract

The utility model discloses a distributed optical storage inverter, which relates to the field of electric power engineering equipment and comprises a first support frame, a second support frame is arranged below the first support frame, a plurality of photovoltaic power generation structures are arranged above the first support frame, and an inverter conversion structure is arranged between the first support frame and the second support frame. According to the utility model, the support structure is rapidly installed through the cooperation of the sliding groove arranged on the first support frame and the sliding block, so that the photovoltaic rapid installation is realized, after the installation is in place, the heat is prevented from being accumulated in the installation box to cause extra loss, and the arranged fan group accelerates the air flow in the installation box, so that the installation efficiency is improved. The working efficiency of the inverter is ensured, then the alternating current converted by the inverter is output through the power transmission block, is connected with the second cable connection port and is stored by the energy storage battery, and then the power supply connection port on the energy storage battery is connected with external power use equipment to complete power supply.

Description

Technical Field

[0001] The utility model relates to the field of power engineering equipment, in particular to a distributed photovoltaic energy storage inverter. Background Art

[0002] An inverter is a power electronic device, and its main function is to convert direct current electrical energy (such as the electrical energy provided by a battery or accumulator) into alternating current with a fixed frequency and voltage or a variable frequency and voltage. The working principle of the inverter is based on the process of DC to AC conversion. It converts the electrical energy of the DC power supply into AC electrical energy through the on and off of semiconductor switching tubes (such as transistors). An inverter usually consists of an inverter bridge, control logic, and a filter circuit. Its core part is a PWM (pulse width modulation) integrated controller. In order to regulate electric power more efficiently, many manufacturers will use a photovoltaic energy storage inverter in cooperation with a photovoltaic panel. After the photovoltaic panel converts light energy into electrical energy, energy storage is achieved through a set energy storage structure for rapid deployment.

[0003] A photovoltaic energy storage inverter is a special inverter that combines the functions of a photovoltaic inverter and an energy storage inverter, and is mainly used in solar photovoltaic power generation systems. The photovoltaic energy storage inverter can not only convert the direct current (DC) generated by solar panels into alternating current (AC) for grid connection or off-grid use, but also has an interface function with an energy storage battery system (such as a lithium-ion battery pack) to realize the storage and release of electrical energy. At the same time, with the development of technology in the field of solar power generation, in some scenarios, distributed photovoltaic power generation is adopted by distributing photovoltaic power generation devices to supply power specifically to achieve high efficiency of power supply, while eliminating the loss of transporting electricity. Generally, the electrical energy converted by photovoltaics is direct current, and at this time, an inverter is required for conversion. Therefore, many manufacturers will use a distributed photovoltaic energy storage inverter to convert electricity for distributed photovoltaic power generation.

[0004] For existing distributed photovoltaic energy storage inverters, generally, corresponding inverters are set beside the distributed photovoltaic panels. The inverters are directly connected to the photovoltaic panels. The photovoltaic panels convert solar energy into direct current, and then convert it into alternating current through the inverters for output. At the same time, in order to reasonably allocate and improve the allocation efficiency of electrical energy, a storage device is set up in cooperation with the inverters to store the alternating current converted by the inverters, so as to continuously supply power when the solar power generation is insufficient and ensure the stable operation of the device.

[0005] However, the installation of existing distributed photovoltaic energy storage inverters is difficult to operate, and the cables in the distribution network are complex, and it is easy to occur the situation of cable twisting. The current converted by the inverter gets hot, resulting in additional losses. Summary of the Utility Model

[0006] Based on this, the purpose of the present utility model is to provide a distributed photovoltaic energy storage inverter, so as to solve the technical problems that the installation and operation of existing distributed photovoltaic energy storage inverters are difficult, the cables in the distribution network are complex, and it is easy to occur wire twisting, and the inverter converts current and gets hot, resulting in additional losses.

[0007] To achieve the above object, the present utility model provides the following technical solution: A distributed photovoltaic energy storage inverter, including a first support frame, a second support frame is arranged below the first support frame, a plurality of photovoltaic power generation structures are arranged above the first support frame, an inverter conversion structure is arranged between the first support frame and the second support frame, a power storage structure is arranged inside the second support frame, the photovoltaic power generation structure is composed of a support structure and a photovoltaic panel, the support structure includes a connecting plate, support bases are symmetrically arranged on both sides of the connecting plate, a support plate is arranged on the support base, a photovoltaic panel is arranged on the support plate, a first slider is arranged at the bottom of the connecting plate, and guide grooves are opened on the upper and lower surfaces of the first support frame.

[0008] By adopting the above technical solution, the first support frame cooperates with the second support frame to isolate and install the photovoltaic power generation structure, the inverter conversion structure and the power storage structure. The first slider cooperates with the guide groove to quickly install the support structure, and then quickly install the photovoltaic panel.

[0009] The present utility model is further arranged such that the inverter conversion structure includes an installation box, an inverter is arranged inside the installation box, a first cable connection port is arranged on the upper surface of the installation box, the first cable connection port is electrically connected to the inverter, and the first cable connection port is arranged in cooperation with the guide groove on the bottom surface of the first support frame.

[0010] By adopting the above technical solution, the inverter receives the direct current converted by the photovoltaic panel and converts it into alternating current for output.

[0011] The present utility model is further arranged such that a chute is opened on the upper top surface of the second support frame, a power transmission block is arranged at the bottom of the installation box in cooperation with the chute, the power transmission block is slidably arranged in the chute, and the power transmission block is electrically connected to the inverter.

[0012] By adopting the above technical solution, the power transmission block outputs the electric energy converted by the inverter.

[0013] The present utility model is further arranged such that the power storage structure includes an installation groove, the installation groove is opened inside the second support frame, a storage battery is arranged inside the installation groove, a plurality of second cable connection ports are arranged on the storage battery, the second cable connection ports extend into the chute to cooperate with the power transmission block, and power supply connection ports are symmetrically arranged on both sides of the storage battery, and the power supply connection ports extend outside the second support frame.

[0014] By adopting the above technical solution, the converted electric energy of the inverter is received through the provided second cable connection port and stored, and the external electrical equipment is connected through the power supply connection port.

[0015] The present utility model is further arranged such that a partition structure is provided between several of the inverter conversion structures. The partition structure includes a first limiting plate and a second limiting plate. A slotted opening is provided on the first limiting plate in cooperation with the second limiting plate. A spring is arranged in the slotted opening. Second sliders are arranged at the bottoms of both the first limiting plate and the second limiting plate in cooperation with the sliding grooves.

[0016] By adopting the above technical solution, the partition structure provided ensures a certain distance is maintained between the inverter conversion structures, ensuring the normal operation of the device, preventing the occurrence of wire twisting, and at the same time stabilizing the inverter conversion structures to ensure the normal operation of the device.

[0017] The present utility model is further arranged such that limiting devices are symmetrically arranged at both ends of the first support frame and the second support frame. The limiting device includes a baffle plate. A first limiting block is arranged on the surface of the baffle plate close to the first support frame in cooperation with the guiding groove, and a second limiting block is arranged in cooperation with the sliding groove.

[0018] By adopting the above technical solution, by providing the limiting device, after the assembly of the device is completed, the two ends of the first support frame and the second support frame are limited by the limiting device.

[0019] The present utility model is further arranged such that through holes are provided on the connecting plate and the first slider in cooperation with the photovoltaic panel, and several opening holes are provided in the guiding groove in cooperation with the through holes.

[0020] By adopting the above technical solution, through the cooperation of the through holes and the opening holes, the cable connecting the photovoltaic panel can be connected to the first cable connection port to realize the transmission of electricity.

[0021] The present utility model is further arranged such that a pair of fan groups are symmetrically arranged on both sides of the inverter in the installation box. A power supply port is provided on the fan group, and the power supply port extends outside the installation box. Several air inlet openings are provided on the installation box in cooperation with the fan groups.

[0022] By adopting the above technical solution, through the air inlet openings, it is ensured that the inverter will not cause energy loss due to overheating. By providing the fan groups, the air flow in the installation box is accelerated to enhance the cooling effect. The provided power supply port can be directly connected to the photovoltaic panel and powered by direct current.

[0023] In summary, the present utility model mainly has the following beneficial effects:

[0024] 1. The utility model realizes the rapid installation of the photovoltaic by quickly installing the support structure through the cooperation of the chute and the slider arranged on the first support frame, and then realizes the rapid installation of the photovoltaic. After the installation is in place, the cable of the photovoltaic panel is pulled to the lower part of the first support frame through the cooperation of the through groove and the through hole, and is connected to the first cable connection port, so as to realize the conversion of the direct current input converted by the photovoltaic panel into the inverter for conversion. When the inverter is working, the heat dissipated by it is dissipated outward through the air inlet, preventing the heat from accumulating in the installation box and causing additional losses. The arranged fan group accelerates the air flow in the installation box to ensure the working efficiency of the inverter. Then, the alternating current converted by the inverter is output through the power transmission block, connected to the second cable connection port, stored by the energy storage battery, and then connected to the external power using equipment through the power supply connection port on the energy storage battery to complete the power supply.

[0025] 2. The utility model modularizes the three parts of photovoltaic power generation, inverter conversion, and power storage through the first support frame and the second support frame. During installation, the three modules are quickly installed through the cooperation of the chute and the guiding groove, and the operation is simple and fast. After the installation is in place, the three modules are connected through cables. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 is the overall structural schematic diagram of the utility model;

[0027] Figure 2 is the exploded schematic diagram of the overall structure of the utility model;

[0028] Figure 3 is the schematic diagram of the lower half of the internal structure of the utility model;

[0029] Figure 4 is the partial structural schematic diagram of the utility model;

[0030] Figure 5 is the schematic diagram of the energy storage battery structure of the utility model;

[0031] Figure 6 is the schematic diagram of the partition structure of the utility model.

[0032] In the figure: 1. First support frame; 2. Installation box; 3. Power supply port; 4. Support plate; 5. Photovoltaic panel; 6. Support structure; 7. Baffle; 8. First slider; 9. First limit block; 10. Second limit block; 11. Connecting plate; 12. Support base; 13. Through hole; 14. Opening; 15. Slide groove; 16. Power supply connection port; 17. First limit plate; 18. Air inlet; 19. Second limit plate; 20. Second support frame; 21. Installation groove; 22. First cable connection port; 23. Energy storage battery; 24. Fan group; 25. Second cable connection port; 26. Spring; 27. Groove; 28. Second slider; 29. Power transmission block; 30. Guide groove; 31. Inverter. Detailed implementation manner

[0033] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present invention, and cannot be understood as a limitation to the present invention.

[0034] The embodiments of the present invention will be described below according to its overall structure.

[0035] A distributed photovoltaic energy storage inverter, as Figure 1-6As shown, it includes a first support frame 1. A second support frame 20 is arranged below the first support frame 1. A number of photovoltaic power generation structures are arranged above the first support frame 1. The photovoltaic power generation structure is composed of a support structure 6 and a photovoltaic panel 5. The support structure 6 includes a connecting plate 11. On both sides of the connecting plate 11, support bases 12 are symmetrically arranged. A support plate 4 is arranged on the support base 12. A photovoltaic panel 5 is arranged on the support plate 4. A first slider 8 is arranged at the bottom of the connecting plate 11. Guide grooves 30 are opened on the upper and lower surfaces of the first support frame 1. During actual use, by aligning the first slider 8 with the guide grooves 30 for installation, the installation of the support structure 6 can be completed, and then the installation of the photovoltaic panel 5 can be completed. Further, through holes 13 are opened on the connecting plate 11 and the first slider 8 to cooperate with the photovoltaic panel 5. A number of openings 14 are opened in the guide grooves 30 to cooperate with the through holes 13. By setting the through holes 13 to cooperate with the openings 14, the cable connecting the photovoltaic panel 5 can be connected downward. A converter structure is arranged between the first support frame 1 and the second support frame 20 in cooperation with it. The converter structure includes an installation box 2. An inverter 31 is arranged in the installation box 2. A first cable connection port 22 is arranged on the upper surface of the installation box 2. The first cable connection port 22 is electrically connected to the inverter 31. The first cable connection port 22 is arranged in cooperation with the guide groove 30 on the bottom surface of the first support frame 1. After the cable connecting the photovoltaic panel 5 passes through the through holes 13 and the openings 14, it is connected to the first cable connection port 22, so that the electric energy converted by the photovoltaic panel 5 is transmitted to the inverter 31 for conversion. A chute 15 is opened on the upper top surface of the second support frame 20. A power transmission block 29 is arranged at the bottom of the installation box 2 to cooperate with the chute 15. The power transmission block 29 is slidably arranged in the chute 15. The power transmission block 29 is electrically connected to the inverter 31. After the inverter 31 completes the conversion of direct current, the power is output through the arranged power transmission block 29;

[0036] In cooperation with it, a pair of fan groups 24 are symmetrically arranged on both sides of the inverter 31 in the installation box 2. The power supply port 3 extends outside the installation box 2. A number of air inlets 18 are opened on the installation box 2 to cooperate with the fan groups 24. Through the air inlets 18, the air circulation in the installation box 2 is ensured, ensuring that the inverter 31 will not accumulate heat in the installation box 2 during operation, resulting in overheating and further causing additional losses. By setting the fan groups 24, the air circulation in the installation box 2 is accelerated, further achieving the cooling effect. A power supply port 3 is arranged on the fan groups 24. The power supply port 3 can be directly connected to the cable of the photovoltaic panel 5 and is powered by direct current.

[0037] Based on the above structure, a power storage structure is provided inside the second support frame 20. The power storage structure includes an installation groove 21, which is opened inside the second support frame 20. An energy storage battery 23 is arranged inside the installation groove 21. A number of second cable connection ports 25 are provided on the energy storage battery 23, and the second cable connection ports 25 extend into the sliding groove 15 to cooperate with the power transmission block 29. Symmetrically arranged on both sides of the energy storage battery 23 are power supply connection ports 16, which extend outside the second support frame 20. By arranging the second cable connection ports 25 to cooperate with the power transmission block 29, the energy storage battery 23 receives the alternating current converted by the inverter 31 and stores it. When it needs to be used later, the power is output through the arranged power supply connection ports 16.

[0038] Further, a partition structure is provided between a number of the inverter conversion structures. The partition structure includes a first limiting plate 17 and a second limiting plate 19. A slot 27 is provided on the first limiting plate 17 to cooperate with the second limiting plate 19, and a spring 26 is arranged inside the slot 27. Second sliders 28 are arranged at the bottoms of both the first limiting plate 17 and the second limiting plate 19 to cooperate with the sliding groove 15. By arranging the partition structure, a certain distance is maintained between the inverter conversion structures, ensuring the normal operation of the device, preventing the occurrence of wire twisting, and at the same time stabilizing the inverter conversion structures to ensure the normal operation of the device.

[0039] Limit devices are symmetrically arranged at both ends of the first support frame 1 and the second support frame 20. The limit devices include a baffle 7. On the surface of the baffle 7 close to the first support frame 1, a first limiting block 9 is arranged to cooperate with the guiding groove 30, and a second limiting block 10 is arranged to cooperate with the sliding groove 15. By arranging the limit devices, after the assembly of the device is completed, the two ends of the first support frame 1 and the second support frame 20 are limited by the limit devices.

[0040] Although the embodiments of the present invention have been shown and described, the specific embodiments are only explanations of the present invention and not limitations thereof. The specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. After reading this specification, those skilled in the art can make modifications, substitutions, and variations that do not contribute creatively to the embodiments according to needs, but as long as they are within the scope of the claims of the present invention, they are protected by the patent law.

Claims

1. A distributed photovoltaic energy storage inverter, comprising a first support frame (1), characterized in that: A second support frame (20) is provided below the first support frame (1). A number of photovoltaic power generation structures are provided above the first support frame (1). An inverter conversion structure is provided between the first support frame (1) and the second support frame (20). A power storage structure is provided inside the second support frame (20). The photovoltaic power generation structure is composed of a support structure (6) and a photovoltaic panel (5). The support structure (6) includes a connecting plate (11). Support bases (12) are symmetrically arranged on both sides of the connecting plate (11). A support plate (4) is provided on the support base (12). A photovoltaic panel (5) is provided on the support plate (4). A first slider (8) is provided at the bottom of the connecting plate (11). Guide grooves (30) are formed on the upper and lower surfaces of the first support frame (1).

2. The distributed photovoltaic and energy storage inverter according to claim 1, wherein: The inverter conversion structure includes an installation box (2). An inverter (31) is provided inside the installation box (2). A first cable connection port (22) is provided on the upper surface of the installation box (2). The first cable connection port (22) is electrically connected to the inverter (31). The first cable connection port (22) is arranged in cooperation with the guide groove (30) on the bottom surface of the first support frame (1).

3. The distributed photovoltaic energy storage inverter according to claim 2, wherein: A chute (15) is formed on the upper top surface of the second support frame (20). A power transmission block (29) is arranged at the bottom of the installation box (2) in cooperation with the chute (15). The power transmission block (29) is slidably arranged in the chute (15). The power transmission block (29) is electrically connected to the inverter (31).

4. A distributed optical storage inverter according to claim 1, characterized in that: The power storage structure includes an installation groove (21). The installation groove (21) is formed inside the second support frame (20). A storage battery (23) is provided inside the installation groove (21). A number of second cable connection ports (25) are provided on the storage battery (23). The second cable connection ports (25) extend into the chute (15) and are arranged in cooperation with the power transmission block (29). Power supply connection ports (16) are symmetrically arranged on both sides of the storage battery (23). The power supply connection ports (16) extend outside the second support frame (20).

5. A distributed photovoltaic energy storage inverter according to claim 1, characterized in that: A partition structure is provided between a number of the inverter conversion structures. The partition structure includes a first limiting plate (17) and a second limiting plate (19). An opening slot (27) is formed on the first limiting plate (17) in cooperation with the second limiting plate (19). A spring (26) is provided inside the opening slot (27). Second sliders (28) are arranged at the bottoms of the first limiting plate (17) and the second limiting plate (19) in cooperation with the chute (15).

6. A distributed optical storage inverter according to claim 1, characterized in that: Limiting devices are symmetrically arranged at both ends of the first support frame (1) and the second support frame (20). The limiting devices include baffles (7). A first limiting block (9) is arranged on the surface of the baffle (7) close to the first support frame (1) in cooperation with the guide groove (30). A second limiting block (10) is arranged in cooperation with the chute (15).

7. A distributed photovoltaic energy storage inverter according to claim 1, characterized in that: Through holes (13) are formed on the connecting plate (11) and the first slider (8) in cooperation with the photovoltaic panel (5). A number of opening holes (14) are formed in the guide groove (30) in cooperation with the through holes (13).

8. The distributed photovoltaic and energy storage inverter according to claim 2, characterized in that: A pair of fan groups (24) are symmetrically arranged on both sides of the inverter (31) inside the installation box (2). A power supply port (3) is arranged on the fan group (24), and the power supply port (3) extends outside the installation box (2). A number of air inlets (18) are provided on the installation box (2) to cooperate with the fan groups (24).

Images