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CN-122001281-A - Photovoltaic power distribution energy storage device

CN122001281ACN 122001281 ACN122001281 ACN 122001281ACN-122001281-A

Abstract

The invention relates to the technical field of photovoltaic energy storage, in particular to a photovoltaic power distribution energy storage device which comprises a base, wherein the top of the base is connected with a photovoltaic cell panel through a hinge, and an adjusting mechanism is configured and connected between the photovoltaic cell panel and the base. The invention overcomes the defects of the prior art, solar energy can be converted into direct current electric energy through the photovoltaic cell panel, the inclination angle between the photovoltaic cell panel and the base station can be regulated by means of the regulating mechanism, the direct current electric energy can be converted into alternating current electric energy by the inverter for household power utilization and network access, the storage battery is used for storing electric energy generated by photovoltaic power generation for use at night or in a low-radiation period, the charge and discharge controller is used for controlling the charge and discharge process of the energy storage device, the stable operation of the system is ensured, the photovoltaic cell panel stores the electric energy converted by the solar energy by the storage battery, and the photovoltaic cell panel and the storage battery are both arranged on the base station, so that the loss of the electric energy in a circuit can be reduced as much as possible, and the electric energy utilization rate is improved.

Inventors

  • Ma Xinman

Assignees

  • 中暖新能源(青岛)有限公司

Dates

Publication Date
20260508
Application Date
20241104

Claims (10)

  1. 1. The photovoltaic power distribution energy storage device comprises a base station (1), and is characterized in that the top of the base station (1) is connected with a photovoltaic cell panel (3) through a hinge, an adjusting mechanism is configured and connected between the photovoltaic cell panel (3) and the base station (1), a storage box (7) is fixedly arranged in the base station (1), an inverter (8) and a charge-discharge controller (9) are respectively arranged at the left end and the right end of the inside of the storage box (7), a storage battery (11) is arranged in the middle of the storage box (7), the inside of the storage battery (11) is composed of a plurality of single batteries (20), a first negative electrode interface (2001) is formed at one side of each single battery (20), a second negative electrode interface (2002) and a second negative electrode interface (2003) are respectively formed at the left side and the right side of each single battery (20), the size and the position of each single battery (20) are matched with the first positive electrode interface (2004), the second positive electrode interface (2006) and the second positive electrode interface (2006) are respectively formed at the left side and the right side of each single battery (2004); The upper surface of the storage box (7) is fixedly provided with a heat dissipation assembly, and the lower surface of the photovoltaic cell panel (3) is provided with a second fin (16); the lower surface of the storage box (7) is fixedly provided with a heating assembly.
  2. 2. The photovoltaic power distribution energy storage device according to claim 1, wherein the bottom end of the base station (1) is fixedly provided with supporting legs (2), and the inner wall of the base station (1) is fixedly provided with a cross beam (101).
  3. 3. The photovoltaic power distribution and energy storage device according to claim 1, wherein the adjusting mechanism is composed of a first supporting arm (4), a second supporting arm (5) and an electric push rod (6).
  4. 4. A photovoltaic power distribution energy storage device is characterized in that one end, close to one end, of a first supporting arm (4) is rotatably connected with a second supporting arm (5), one end, far away from the second supporting arm (5), of the first supporting arm (4) is rotatably connected with a photovoltaic cell panel (3), and one end, far away from the first supporting arm (4), of the second supporting arm (5) is rotatably connected with a cross beam (101).
  5. 5. The photovoltaic power distribution energy storage device according to claim 3, wherein the bottom end of the electric push rod (6) is rotatably connected with the middle part of the second supporting arm (5), and one end, far away from the second supporting arm (5), of the electric push rod (6) is rotatably connected with the cross beam (101).
  6. 6. The photovoltaic power distribution energy storage device according to claim 1, wherein a plurality of partition plates (10) are fixedly arranged in the middle of the inside of the storage box (7), the partition plates (10) are arranged at equal intervals, a sealing cavity is formed between every two adjacent partition plates (10), and the sealing cavity is matched with the storage battery (11) in structural size.
  7. 7. The photovoltaic power distribution energy storage device according to claim 1, wherein the heat dissipation assembly comprises a heat conduction plate (12) fixedly arranged on the upper surface of the storage box (7) and a first fin (13) fixedly arranged on the upper surface of the heat conduction plate (12), and the first fin (13) and the second fin (16) have the same structural composition.
  8. 8. The photovoltaic power distribution energy storage device according to claim 7, wherein a guide cover (17) is formed in the first fin (13), backflow ports (18) are symmetrically formed in the bottom end of the guide cover (17), and cooling liquid (19) is filled in the first fin (13).
  9. 9. The photovoltaic power distribution energy storage device according to claim 8, wherein the top of the air guide sleeve (17) is provided with an air outlet, the inner diameter of the air guide sleeve (17) is gradually decreased from bottom to top, and a cooling area is formed between the upper half part of the air guide sleeve (17) and the first fin (13).
  10. 10. A photovoltaic power distribution and storage apparatus according to claim 1, wherein the temperature increasing assembly comprises a bottom case (14) fixedly installed on the lower surface of the storage case (7) and an electric heating sheet (15) fixedly installed inside the bottom case (14).

Description

Photovoltaic power distribution energy storage device Technical Field The invention relates to the technical field of photovoltaic energy storage, in particular to a photovoltaic power distribution energy storage device. Background The key element of the technology is a solar cell which can directly convert sunlight energy into electric energy, and the solar cell can form a large-area solar cell assembly through packaging protection after being connected in series and then form a photovoltaic power generation device by being matched with components such as a power controller and the like; In practical application, in order to boost output voltage, we usually connect a plurality of batteries in series, in a battery pack, each battery includes a positive electrode column and a negative electrode column, and the positive electrode column and the negative electrode column of the batteries are connected through a special bus bar, so that the batteries can be connected in series or in parallel, thereby meeting specific voltage and current requirements; However, there are some potential problems with the busbar connection, firstly, the connection point increases the overall weight and volume of the battery pack, and secondly, the connection point is unreliable in contact to increase the resistance when current passes through, further generating more heat, and further reducing the energy efficiency and safety performance of the battery; Therefore, when designing and using the battery pack, these factors need to be comprehensively considered to ensure that the battery pack meets the performance requirement and has good safety and stability, and therefore, a photovoltaic power distribution energy storage device is provided. Disclosure of Invention Aiming at the defects of the prior art, the invention provides a photovoltaic power distribution energy storage device, which overcomes the defects of the prior art and solves the problems in the background art. The photovoltaic power distribution energy storage device comprises a base station, wherein a supporting leg is fixedly arranged at the bottom end of the base station, a cross beam is fixedly arranged on the inner wall of the base station, a photovoltaic cell panel is connected to the top of the base station through a hinge, an adjusting mechanism is configured and connected between the photovoltaic cell panel and the base station, a storage box is fixedly arranged in the base station, an inverter and a charge-discharge controller are respectively arranged at the left end and the right end of the inside of the storage box, a storage battery is arranged in the middle of the storage box, the inside of the storage battery consists of a plurality of single batteries, a first negative electrode interface is formed on one side of the single batteries, a second negative electrode interface and a second negative electrode interface are respectively formed on the left side and the right side of the first negative electrode interface, the size and the position of the second negative electrode interface are matched with the second negative electrode interface, a first positive electrode interface and a second positive electrode interface are respectively formed on the left side and the right side of the first positive electrode interface, and the size and the position of the second positive electrode interface are matched with the second positive electrode interface; the upper surface of the storage box is fixedly provided with a heat dissipation component, and the lower surface of the photovoltaic cell panel is provided with a second fin; and the lower surface of the storage box is fixedly provided with a heating assembly. According to the actual need, the single batteries are selected to be connected in series or in parallel, when the single batteries are arranged in series, the first cylinder negative electrode interface and the first positive electrode connector can be connected end to realize the series effect, the mode can increase the total voltage of the battery pack, the parallel arrangement of the single batteries is realized, the second negative electrode interface, the second negative electrode connector, the second positive electrode interface and the second positive electrode connector can be connected in butt joint, the parallel connection between the adjacent two single batteries can be realized, the mode can increase the total capacity of the battery pack, the single batteries and the battery pack can be more universal and flexible through standardized and modularized design, so that the single batteries and the battery pack with different sizes and capacities can be selected to be combined according to different requirements and application scenes, and the space utilization rate is further improved, the solar energy can be converted into direct current electric energy through the photovoltaic cell panel, the inclination angle between the photovoltaic cell pan