Light storage and charging integrated outdoor energy storage device

Abstract

The utility model relates to a light storage and charging integrated outdoor energy storage device, which comprises a main module, a photovoltaic inversion module, a charging pile, a BMS battery management module and an energy storage battery assembly which are sequentially arranged from top to bottom, and is characterized in that the main module is a household energy storage module and is provided with a mains supply access, an energy storage interface, a load interface and a charging pile interface; the communication of the main module adopts RS485 communication and 4G wireless communication; one end of the photovoltaic inversion module is connected to a photovoltaic device, the other end of the photovoltaic inversion module is connected with the main module, and the photovoltaic device is converted into alternating current to be connected to the main module through an inverter function after being connected; the charging pile alternating current input is connected into a charging pile interface of the main module; one end of the BMS battery management module is connected with the main module, and the other end of the BMS battery management module is connected with the energy storage battery assembly; and the energy storage battery assembly comprises a plurality of lithium iron phosphate batteries which are stacked up and down. According to the utility model, the charging pile and the light storage and charging pile are integrated, so that the device has multiple functions, the installation and wiring are simplified, and the installation and the use are more convenient and faster.

Description

Technical Field

[0001] The utility model relates to the technical field of charging and energy storage, and in particular to an outdoor energy storage device integrating light storage and charging. Background Art

[0002] With the continuous development and utilization of clean energy such as solar energy and wind energy, household energy storage systems have been widely used in households. Household energy storage systems are mainly used in conjunction with photovoltaic power generation systems and wind power generation systems. When photovoltaic systems and wind power generation systems generate electricity, part of the energy is used for the household's own load, and the energy exceeding the load can be stored in the household energy storage system. At the same time, the household energy storage system can also provide a peak-shaving and valley-filling working mode, thereby saving economic costs.

[0003] Photovoltaic products for household energy storage are now common, and there are many types of stacking machines on the market. However, charging piles often exist as independent entities. There are no integrated energy storage devices for household use. Each device requires separate installation and wiring, which makes installation and use inconvenient, affecting the user experience. Summary of the invention

[0004] The purpose of the utility model is to overcome the above-mentioned shortcomings and provide an outdoor energy storage device integrating light storage and charging, which integrates the charging pile with the light storage and charging stack, so that the device has multiple functions, simplifies the installation and wiring, and makes installation and use more convenient and quick.

[0005] The purpose of the utility model is achieved in this way:

[0006] A photovoltaic storage and charging integrated outdoor energy storage device, comprising a main module, a photovoltaic inverter module, a charging pile, a BMS battery management module and an energy storage battery assembly arranged in sequence from top to bottom, wherein the main module is a household energy storage module, and is provided with a mains access, an energy storage interface, a load interface and a charging pile interface, and the communication of the main module adopts RS485 communication and 4G wireless communication; one end of the photovoltaic inverter module is connected to photovoltaic, and the other end is connected to the main module, and after photovoltaic access, it is converted to AC access to the main module through the inverter function; the AC input of the charging pile is connected to the charging pile interface of the main module; one end of the BMS battery management module is connected to the main module, and the other end is connected to the energy storage battery assembly; the energy storage battery assembly comprises a plurality of lithium iron phosphate batteries stacked up and down.

[0007] Furthermore, a waterproof casing is provided on the outside of the main module, photovoltaic inverter module, charging pile, BMS battery management module and energy storage battery assembly.

[0008] Furthermore, four corners of the bottom of the waterproof housing are respectively provided with supporting feet, and the supporting feet are height-adjustable.

[0009] Furthermore, the charging pile adopts a 7kW AC charging pile.

[0010] Furthermore, the lithium iron phosphate battery is a 2.5kWh lithium iron phosphate battery.

[0011] Furthermore, the number of the lithium iron phosphate batteries is determined according to actual needs so as to achieve the required battery capacity while meeting the minimum voltage requirement of the energy storage end of the device.

[0012] Furthermore, the waterproof housing adopts an outdoor IP65 housing structure.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] (1) The utility model provides an outdoor energy storage device that integrates photovoltaic storage and charging. The main module body is a household energy storage module, and different power levels can be customized according to needs. The more common household energy storage machines and photovoltaic inverters on the market are wall-mounted. The utility model adopts a stacking design, which makes the appearance integrated and beautiful.

[0015] (2) The utility model adopts a photovoltaic inverter stacking module design, so that the system has a photovoltaic access function.

[0016] (3) The utility model has a charging pile stacking module, and the general charging pile is used independently.

[0017] (4) The utility model adopts a stacking appearance design, which allows the charging pile to be stacked on the energy storage battery, eliminating the need to find another place to install it, thus saving space in the household.

[0018] (5) The utility model is equipped with a BMS battery management module, which is integrated with the battery and has a stacked appearance design with a beautiful style.

[0019] (6) The utility model is provided with a battery stacking module, which can be stacked to increase or decrease according to the actual required capacity, and is suitable for projects with different capacity requirements.

[0020] (7) The utility model adopts a base support to elevate and avoid outdoor water accumulation. The protection level of the invention is IP65 and can be used directly outdoors; the stacking position of the stacking module of the utility model can be adjusted arbitrarily, so that different height positions can be selected according to the specific conditions of the project, which is flexible and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the utility model.

[0022] Figure 2 This is a schematic diagram of module connection of the present utility model.

[0023] in:

[0024] Main module 1, photovoltaic inverter module 2, charging pile 3, BMS battery management module 4, energy storage battery assembly 5, supporting feet 6, waterproof shell 7. DETAILED DESCRIPTION

[0025] In order to better understand the technical solution of the present invention, the following will be described in detail in conjunction with the relevant illustrations. It should be understood that the following specific embodiments are not intended to limit the specific implementation of the technical solution of the present invention, and are only implementations that can be adopted by the technical solution of the present invention. It should be noted that the description of the positional relationship of each component in this article, such as component A being located above component B, is based on the description of the relative positions of the components in the illustration, and is not intended to limit the actual positional relationship of the components. Example 1

[0026] See also Figure 1-Figure 2 , Figure 1 The schematic diagram of the structure of the utility model is drawn. As shown in the figure, the utility model relates to an outdoor energy storage device integrating light storage and charging, which comprises a main module 1, a photovoltaic inverter module 2, a charging pile 3, a BMS battery management module 4 and an energy storage battery assembly 5 arranged in sequence from top to bottom, and a waterproof shell 7 is provided on the outside of the main module 1, the photovoltaic inverter module 2, the charging pile 3, the BMS battery management module 4 and the energy storage battery assembly 5, and the bottom four corners of the waterproof shell 7 are respectively provided with support feet 6, and the support feet 6 can be adjusted in height.

[0027] The main module 1 is a household energy storage module, and is provided with a mains access, an energy storage interface, a load interface (including important loads and non-important loads) and a charging pile interface. The communication of the main module 1 adopts RS485 communication and 4G wireless communication.

[0028] One end of the photovoltaic inverter module 2 is connected to photovoltaic, and the other end is connected to the main module 1. After photovoltaic connection, it is converted into AC through the inverter function to connect to the main module 1, so that the main module 1 can be powered not only by municipal electricity but also by photovoltaic power.

[0029] The charging pile 3 adopts a 7kW AC charging pile. The AC input of the charging pile 3 is connected to the charging pile interface of the main module 1. No additional wiring is required for on-site installation. A charging gun plug port is provided on the main module 1. When the charging pile is not in use, the charging gun can be plugged into the plug port for easy hanging of the gun.

[0030] One end of the BMS battery management module 4 is connected to the main module 1 , and the other end is connected to the energy storage battery assembly 5 .

[0031] The energy storage battery assembly 5 includes a plurality of lithium iron phosphate batteries stacked one above the other. The lithium iron phosphate battery is a 2.5 kWh lithium iron phosphate battery. The number of lithium iron phosphate batteries is determined according to actual needs in order to achieve the required battery capacity while meeting the minimum voltage requirement of the energy storage end of the device.

[0032] The waterproof housing 7 may adopt an outdoor IP65 housing structure.

[0033] Working principle:

[0034] The utility model adopts a customized shell for the traditional wall-mounted integrated machine to form a stacking design style. At the same time, the main module has AC power access, energy storage interface, load interface (the load interface can be divided into important load and non-important load), and charging pile interface. RS485 and 4G wireless communication are used for communication.

[0035] The utility model adopts a photovoltaic inverter module, so that it can be connected to a photovoltaic system. After the photovoltaic is connected, it is converted into an alternating current through the inverter function to connect to the main module, so that the main module can be powered by not only the mains but also the photovoltaics.

[0036] The utility model adopts a 7kW AC charging pile and uses a stacked customized shell to make the stacked machines have a unified appearance style. The AC input of the charging pile is connected to the charging pile interface of the main module of the optical storage integrated machine. No additional wiring is required for on-site installation. The module body is equipped with a charging gun plug port. When the charging pile is not in use, the charging gun can be plugged into the plug port for easy hanging of the gun.

[0037] The utility model adopts a battery management module stacking design to make the appearance style unified. One end of the BMS battery management module is connected to the photovoltaic storage integrated machine, and the other end is connected to the battery module.

[0038] The utility model adopts a 2.5kWh lithium iron phosphate battery as a stacking module, and stacks multiple modules according to actual needs to achieve the required battery capacity, while meeting the minimum voltage requirement of the energy storage end of the photovoltaic storage integrated machine.

[0039] The utility model has a design of raising the support base, which can avoid water accumulation on the ground during outdoor installation, and can be flexibly raised and lowered so that other modules are at a more reasonable height.

[0040] The utility model adopts an overall waterproof design, and the outer shell adopts an outdoor IP65 outer shell structure to meet the outdoor dust and waterproof requirements.

[0041] The above are only specific application examples of the utility model, and do not constitute any limitation on the protection scope of the utility model. Any technical solution formed by equivalent transformation or equivalent replacement falls within the protection scope of the utility model.

Claims

1. An outdoor energy storage device integrating light storage and charging, characterized in that: It comprises a main module (1), a photovoltaic inverter module (2), a charging pile (3), a BMS battery management module (4) and an energy storage battery assembly (5) which are arranged in sequence from top to bottom. The main module (1) is a household energy storage module. The main module (1) is provided with a mains access, an energy storage interface, a load interface and a charging pile interface. The communication of the main module (1) adopts RS485 communication and 4G wireless communication. One end of the photovoltaic inverter module (2) is connected to photovoltaic power, and the other end is connected to the main module (1). After photovoltaic power is connected, it is converted into AC power through the inverter function and connected to the main module (1). The AC input of the charging pile (3) is connected to the charging pile interface of the main module (1). One end of the BMS battery management module (4) is connected to the main module (1), and the other end is connected to the energy storage battery assembly (5). The energy storage battery assembly (5) comprises a plurality of lithium iron phosphate batteries stacked up and down.

2. The outdoor energy storage device integrating light storage and charging according to claim 1, characterized in that: A waterproof casing (7) is provided on the outside of the main module (1), the photovoltaic inverter module (2), the charging pile (3), the BMS battery management module (4) and the energy storage battery assembly (5).

3. The outdoor energy storage device integrating light storage and charging according to claim 2, characterized in that: Support feet (6) are respectively provided at the four corners of the bottom of the waterproof housing (7), and the support feet (6) are adjustable in height.

4. The outdoor energy storage device integrating light storage and charging according to claim 1, characterized in that: The charging pile (3) is a 7kW AC charging pile.

5. The outdoor energy storage device integrating light storage and charging according to claim 1, characterized in that: The lithium iron phosphate battery is a 2.5 kWh lithium iron phosphate battery.

6. The outdoor energy storage device integrating light storage and charging according to claim 2, characterized in that: The waterproof housing (7) adopts an outdoor IP65 housing structure.

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