Balcony energy storage all-in-one machine

Abstract

The utility model discloses a balcony energy storage all-in-one machine which comprises a machine shell, a first switch relay is fixedly installed at one end of the top of the inner wall of the machine shell, an MPPT plate is fixedly installed on one side of the top of the inner wall of the machine shell, a second switch relay is fixedly installed on the other side of the top of the inner wall of the machine shell, and a micro inverter is fixedly installed at the other end of the top of the inner wall of the machine shell. A wireless communication board is fixedly installed on one side of the bottom of the inner wall of the machine shell, an energy storage battery is fixedly installed in the middle of the bottom of the inner wall of the machine shell, a BMS board card is fixedly installed at the top end of the energy storage battery, and a display board is fixedly installed on one side of the front face of the machine shell. The MPPT board, the energy storage battery and the micro inverter are integrated in the balcony energy storage all-in-one machine, space occupation is reduced, potential safety hazards caused by complex wiring are avoided, communication with terminal equipment can be achieved through the wireless communication board, and the equipment state, the working mode selection and timing charging and discharging can be checked through an APP.

Description

Technical Field

[0001] The utility model relates to the technical field of energy storage equipment, in particular to an integrated balcony energy storage machine. Background Art

[0002] The balcony energy storage system is designed to utilize the balcony space of residential or commercial buildings to install energy storage equipment to achieve electrical energy storage and utilization.

[0003] Balcony energy storage systems generally consist of three parts: solar panels, energy storage batteries, and microinverters. However, existing balcony energy storage systems have the following disadvantages:

[0004] (1) In actual operation, solar panels are generally installed on balconies or rooftops, while energy storage batteries and micro-inverters are installed on balconies. Therefore, these three parts need to be installed independently, making the wiring and installation of the entire system more complicated. This method not only takes up space, but also the complicated wiring also leads to more safety hazards.

[0005] (2) The existing balcony energy storage device cannot communicate with the terminal device, and the operating status of the device cannot be viewed through the APP. Utility Model Content

[0006] The purpose of the present invention is to provide a balcony energy storage integrated machine to solve the existing problems raised in the above background technology.

[0007] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a balcony energy storage integrated machine, comprising a casing, a switch relay 1 being fixedly mounted on one end of the top of the inner wall of the casing, an MPPT board being fixedly mounted on one side of the top of the inner wall of the casing, a switch relay 2 being fixedly mounted on the other side of the top of the inner wall of the casing, a micro inverter being fixedly mounted on the other end of the top of the inner wall of the casing, a wireless communication board being fixedly mounted on one side of the bottom of the inner wall of the casing, an energy storage battery being fixedly mounted in the middle of the bottom of the inner wall of the casing, a BMS board being fixedly mounted on the top of the energy storage battery, and a display panel being fixedly mounted on one side of the front of the casing.

[0008] When using a balcony energy storage integrated machine of the present technical solution, the MPPT board, energy storage battery and micro inverter are integrated inside the balcony energy storage integrated machine, which reduces space occupancy and avoids safety hazards caused by complex wiring.

[0009] As a preferred technical solution of the present invention, a key switch is fixedly mounted on one end of the front side of the housing. The key switch is used to turn the device on and off.

[0010] As a preferred technical solution of the present invention, an inverter input interface is fixedly installed on one side of the bottom end of the housing. The micro-inverter input interface is used for parallel connection with multiple identical systems.

[0011] As a preferred technical solution of the present invention, an inverter output interface is fixedly installed at one end of the bottom of the housing. The micro inverter output interface is used to connect to the power grid.

[0012] As a preferred technical solution of the present invention, a PV negative pole input interface is fixedly installed on one side of the top of the housing. The PV negative pole input interface is used to connect to the negative pole of the solar panel.

[0013] As a preferred technical solution of the present invention, a PV positive input interface is fixedly installed at one end of the top of the housing. The PV positive input interface is used to connect to the positive electrode of the solar panel.

[0014] As a preferred technical solution of the present invention, a plurality of heat dissipation holes are provided on the front side of the housing away from the display panel, which are used to dissipate heat when the electrical components inside the energy storage device are in operation.

[0015] As a preferred technical solution of the present invention, lugs are fixedly mounted on both sides of the housing, and a plurality of fixing holes are opened on the surface of the lugs. Fasteners are used at the fixing holes of the lugs to hang the energy storage device on the solar panel.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] 1. The balcony energy storage all-in-one integrates an MPPT board, energy storage battery, and micro-inverter, reducing space occupancy and avoiding safety hazards caused by complex wiring. It has a simultaneous charge-discharge function, which supports both solar panels and batteries discharging through the micro-inverter at the same time, and also supports solar panels discharging through the micro-inverter while charging the battery. It also has a BMS board for managing the energy storage battery.

[0018] 2. The balcony energy storage integrated machine has a wireless communication board, through which it can communicate with the terminal device. The micro inverter input interface can be used to connect with multiple identical systems. It supports plug and play and can work automatically without APP settings. The device status, working mode and timed charging and discharging can be viewed through the APP. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional diagram of the utility model;

[0020] Figure 2 It is a cross-sectional view of the utility model;

[0021] Figure 3 This is a principle block diagram of the utility model.

[0022] In the figure: 1. Housing; 2. Switch relay 1; 3. MPPT board; 4. Wireless communication board; 5. Energy storage battery; 6. BMS board; 7. Switch relay 2; 8. Micro inverter; 9. Inverter input interface; 10. Inverter output interface; 11. Push button switch; 12. Display panel; 13. PV negative input interface; 14. PV positive input interface; 15. Lug; 16. Heat dissipation hole; 17. Fixing hole. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] See also Figure 1-3 The utility model provides a balcony energy storage integrated machine, including a casing 1, a switch relay 2 is fixedly installed at one end of the top of the inner wall of the casing 1, an MPPT board 3 is fixedly installed on one side of the top of the inner wall of the casing 1, a switch relay 7 is fixedly installed on the other side of the top of the inner wall of the casing 1, which acts as a switch, a micro inverter 8 is fixedly installed at the other end of the top of the inner wall of the casing 1, a wireless communication board 4 is fixedly installed on one side of the bottom of the inner wall of the casing 1 for remote communication, an energy storage battery 5 is fixedly installed in the middle of the bottom of the inner wall of the casing 1, a BMS board 6 is fixedly installed on the top of the energy storage battery 5, and a display panel 12 is fixedly installed on one side of the front of the casing 1 to display the status of the integrated machine.

[0025] When in use, the MPPT board 3 of the balcony energy storage integrated machine is used for charging control, timing control and communication with the BMS board 6. The energy storage battery 5 is used to store electrical energy. Its BMS board 6 is used for battery management. The internal switch of the BMS can control whether the battery outputs externally. The micro inverter 8 is used to invert the DC of the solar panel / energy storage battery 5 and connect it to the power grid. The switch relay 1 2 and the switch relay 2 7 are K1 and K2 respectively, which are used to switch the working mode. The balcony energy storage integrated machine can communicate with the terminal device (such as a mobile phone, etc.) through the wireless communication board 4. The user can view the device status, set the working mode and time charging and discharging through the APP. The display panel 12 on the surface is used to display the battery power and working status information.

[0026] An inverter input interface 9 is fixedly mounted on one side of the bottom end of the casing 1, an inverter output interface 10 is fixedly mounted on one end of the bottom end of the casing 1, a PV negative input interface 13 is fixedly mounted on one side of the top end of the casing 1, and a PV positive input interface 14 is fixedly mounted on one end of the top end of the casing 1, which serves as an electrical connection.

[0027] When in use, the PV input interface is used to connect the positive and negative poles of the solar panel, the inverter input interface 9 is used to parallel multiple identical systems, and the inverter output interface 10 is used to connect to the power grid.

[0028] A push button switch 11 is fixedly installed at one end of the front of the casing 1 to control the opening and closing of the all-in-one machine. A plurality of heat dissipation holes 16 are provided on the side of the front of the casing 1 away from the display panel 12 for heat dissipation. Lugs 15 are fixedly installed on both sides of the casing 1, and a plurality of fixing holes 17 are provided on the surface of the lugs 15 for installation.

[0029] When in use, the button switch 11 on the surface of the balcony energy storage integrated machine is used to turn the device on and off. Lugs 15 are provided on both sides of the surface, which can be installed on the solar panel using fasteners at the fixing holes 17. The heat dissipation holes 16 on the surface are used to dissipate heat when the electrical components inside the energy storage integrated machine are in operation.

[0030] In specific use, the utility model provides a balcony energy storage integrated machine. The MPPT board 3 of the balcony energy storage integrated machine is used for charging control, timing control and communication with the BMS board 6. The energy storage battery 5 is used to store electrical energy. Its BMS board 6 is used for battery management. The internal switch of the BMS can control whether the battery is output to the outside. The micro inverter 8 is used to invert the DC of the solar panel / energy storage battery 5 and connect it to the power grid. The switch relay 1 2 and the switch relay 2 7 are K1 and K2 respectively, which are used to switch the working mode. When K1 is closed alone, the integrated machine works in charging mode. At this time, the solar panel charges the battery through the MPPT board 3; when K2 is closed alone, the integrated machine works in discharging mode. At this time, the battery discharges to the outside through the micro inverter 8; when K1 and K2 are closed at the same time, if the battery bus of the BMS is not disconnected, it works in charging and discharging mode. At this time, if the output power of the solar panel is greater than the output power of the micro inverter 8, the solar panel supplies the micro inverter through the MPPT board 3. The inverter 8 discharges, and the remaining power is used to charge the battery. If the output power of the solar panel is less than the output power of the microinverter 8, in addition to the solar panel discharging to the microinverter 8 through the MPPT board 3, the battery also participates in the external discharge of the microinverter 8; when K1 and K2 are closed at the same time, if the battery bus of the BMS is disconnected, it works in bypass mode. At this time, the solar panel discharges to the microinverter 8 through the MPPT board 3. The balcony energy storage integrated machine can communicate with the terminal device (such as a mobile phone, etc.) through the wireless communication board 4. The user can view the device status, set the working mode and timed charging and discharging through the APP. The button switch 11 on the surface is used to turn the device on and off. The display panel 12 on the surface is used to display the battery power and working status information. The PV input interface is used to connect the positive and negative poles of the solar panel. The inverter input interface 9 is used to parallel with multiple similar systems. The inverter output interface 10 is used to connect to the power grid for grid connection. There is a lug 15 on the surface that can be used to hang on the solar panel for installation.

[0031] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A balcony energy storage integrated machine, comprising a housing (1), characterized in that: A switch relay 1 (2) is fixedly mounted on one end of the top of the inner wall of the casing (1), an MPPT board (3) is fixedly mounted on one side of the top of the inner wall of the casing (1), a switch relay 2 (7) is fixedly mounted on the other side of the top of the inner wall of the casing (1), a micro inverter (8) is fixedly mounted on the other end of the top of the inner wall of the casing (1), a wireless communication board (4) is fixedly mounted on one side of the bottom of the inner wall of the casing (1), an energy storage battery (5) is fixedly mounted in the middle of the bottom of the inner wall of the casing (1), and the top of the energy storage battery (5) is fixedly mounted. A BMS board (6) is fixedly mounted on the end of the housing (1), a display panel (12) is fixedly mounted on one side of the front of the housing (1), a key switch (11) is fixedly mounted on one end of the front of the housing (1), an inverter input interface (9) is fixedly mounted on one side of the bottom of the housing (1), an inverter output interface (10) is fixedly mounted on one end of the bottom of the housing (1), a PV negative input interface (13) is fixedly mounted on one side of the top of the housing (1), and a PV positive input interface (14) is fixedly mounted on one end of the top of the housing (1).

2. The balcony energy storage integrated machine according to claim 1, characterized in that: A plurality of heat dissipation holes (16) are provided on a side of the front of the housing (1) away from the display panel (12).

3. The balcony energy storage integrated machine according to claim 1, characterized in that: Lugs (15) are fixedly mounted on both sides of the housing (1), and a plurality of fixing holes (17) are provided on the surface of the lugs (15).

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