Optical storage and charging micro-grid system

Abstract

The utility model provides a kind of light storage and filling micro-grid system, including photovoltaic power generation device, energy storage device and charging device, photovoltaic power generation device generates electric energy by photovoltaic power generation, energy storage device is used to store and release electric energy, and charging device is used to charge electric vehicle;Photovoltaic power generation system includes photovoltaic cell assembly and photovoltaic junction box;Energy storage device includes battery and control cabinet, and first temperature sensor is equipped on battery;Control cabinet includes cabinet body, and voltage acquisition unit, current acquisition unit, first temperature sensor, second temperature sensor, humidity sensor, first smoke sensor and control device are equipped in cabinet body, and second smoke sensor is equipped outside cabinet body.The utility model is constituted by photovoltaic, wind power and constitutes distributed power supply, integrates distributed power supply, energy storage and control and constitutes independent micro-grid to supply power for electric vehicle, and good charging environment is provided by monitoring and management to data simultaneously.

Description

Technical Field

[0001] This utility model belongs to the field of energy storage technology, and in particular relates to a photovoltaic-storage-charging microgrid system. Background Technology

[0002] Photovoltaic-energy-storage-charging (PV-S-S-Charge) is a green charging mode that integrates photovoltaic power generation, energy storage, and charging, with each function working in coordination. Its working principle involves generating electricity from photovoltaic power, with surplus electricity stored in energy storage devices, collectively undertaking the task of power supply and charging. Charging infrastructure is the foundation and guarantee for the popularization of new energy vehicles, representing a new type of public infrastructure and a key direction of new infrastructure development. Vigorously promoting the construction of charging infrastructure is beneficial for solving the charging difficulties of new energy vehicles and fostering a favorable environment for their application. Therefore, how to utilize renewable resources to provide electricity has become a key research focus. Summary of the Invention

[0003] In view of this, the present invention aims to overcome the shortcomings of the above-mentioned problems in the prior art and proposes a photovoltaic-storage-charging microgrid system.

[0004] To achieve the above objectives, the technical solution of this utility model is implemented as follows:

[0005] A photovoltaic-storage-charging microgrid system includes a photovoltaic power generation device, an energy storage device, and a charging device. The photovoltaic power generation device generates electrical energy through photovoltaic power generation, the energy storage device is used to store and release electrical energy, and the charging device is used to charge electric vehicles. The photovoltaic power generation device, energy storage device, and charging device are combined with the power grid to form a photovoltaic-storage-charging microgrid.

[0006] The photovoltaic power generation device includes photovoltaic cell modules and a photovoltaic combiner box. The photovoltaic combiner box is connected to the photovoltaic cell modules and is used to collect the electrical energy generated by the photovoltaic cell modules and connect it to the energy storage device.

[0007] The energy storage device includes a battery and a control cabinet. The battery is equipped with a first temperature sensor. The control cabinet includes a cabinet body, inside which are a voltage acquisition unit, a current acquisition unit, a second temperature sensor, a humidity sensor, a first smoke sensor, and a control device. The second smoke sensor is located outside the cabinet body. The voltage acquisition unit, current acquisition unit, first temperature sensor, second temperature sensor, humidity sensor, first smoke sensor, and second smoke sensor are all electrically connected to the control device. The voltage acquisition unit is used to acquire battery voltage data; the current acquisition unit is used to acquire battery current data; the first temperature sensor is used to acquire battery temperature; the second temperature sensor is used to acquire the temperature inside the cabinet; the humidity sensor is used to acquire humidity data inside the cabinet; the first smoke sensor is used to acquire smoke concentration data inside the cabinet; and the second smoke sensor is used to acquire smoke concentration data from the external environment.

[0008] The control device includes a housing, inside which are a first board and a second board. The first board has a main controller, and the second board has a data acquisition card, a wireless communication module, and a power supply module. The data acquisition card, the wireless communication module, and the power supply module are all electrically connected to the main controller.

[0009] Furthermore, an alarm device is also installed on the outside of the cabinet to issue an alarm when the data exceeds a set threshold.

[0010] Furthermore, an image acquisition device is also provided above the cabinet, and the image acquisition device is connected to the control device.

[0011] Furthermore, a touch screen is provided on the outer surface of the cabinet. The touch screen is used to display various parameter data inside the control cabinet, and the touch screen is electrically connected to the control device.

[0012] Furthermore, the first board is connected to the second board via pins and sockets.

[0013] Furthermore, the main controller includes a microcontroller, a clock circuit, a reset circuit, an interface circuit, a comparator, and an AD converter, all of which are electrically connected to the microcontroller.

[0014] Furthermore, the voltage acquisition unit, current acquisition unit, first temperature sensor, second temperature sensor, humidity sensor, first smoke sensor, and second smoke sensor are all connected to the main controller via a data acquisition card.

[0015] Furthermore, a signal amplification circuit and a filtering circuit are also provided between the voltage acquisition unit, the current acquisition unit, the first temperature sensor, the second temperature sensor, the humidity sensor, the first smoke sensor, the second smoke sensor and the data acquisition card.

[0016] Furthermore, the control device is also connected to a remote management center via a wireless communication module.

[0017] Furthermore, the wireless communication module adopts a 4G / 5G wireless network communication module.

[0018] Compared with existing technologies, the photovoltaic-storage-charging microgrid system described in this utility model has the following advantages:

[0019] This invention utilizes photovoltaic and wind power to form a distributed power source, integrating distributed power, energy storage, and control to create an independent microgrid for powering electric vehicles. Simultaneously, through data monitoring and management, it provides a good charging environment, improving the level of intelligence, safety, and reliability. Attached Figure Description

[0020] The accompanying drawings, which form part of this utility model, are used to provide a further understanding of the utility model. The illustrative embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute an undue limitation of the utility model. In the drawings:

[0021] Figure 1 This is a schematic diagram of the structure of a photovoltaic, energy storage, and charging microgrid system according to the present invention;

[0022] Figure 2 This is a schematic block diagram of a photovoltaic, energy storage, and charging microgrid system according to the present invention.

[0023] Figure 3 This is a schematic block diagram of the main controller of this utility model.

[0024] Explanation of reference numerals in the attached figures

[0025] 1-Photovoltaic power generation device; 2-Energy storage device; 3-Charging device; 4-Battery; 5-Cabinet; 6-Voltage acquisition unit; 7-Current acquisition unit; 8-First temperature sensor; 9-Second temperature sensor; 10-Humidity sensor; 11-First smoke sensor; 12-Control device; 13-Second smoke sensor; 14-Alarm device; 15-Image acquisition device; 16-Remote management center. Detailed Implementation

[0026] It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0027] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0028] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0029] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0030] like Figure 1-2 As shown, this utility model provides a photovoltaic-storage-charging microgrid system, including a photovoltaic power generation device 1, an energy storage device 2, and a charging device 3. The photovoltaic power generation device 1 generates electrical energy through photovoltaic power generation, the energy storage device 2 is used to store and release electrical energy, and the charging device 3 is used to charge electric vehicles. The photovoltaic power generation device 1, energy storage device 2, and charging device 3 are combined with the power grid to form a photovoltaic-storage-charging microgrid.

[0031] The photovoltaic power generation device 1 includes a photovoltaic cell module and a photovoltaic combiner box. The photovoltaic combiner box is connected to the photovoltaic cell module and is used to collect the electrical energy generated by the photovoltaic cell module and connect it to the energy storage device 2.

[0032] The energy storage device 2 includes a battery 4 and a control cabinet. The battery 4 is equipped with a first temperature sensor 8. The control cabinet includes a cabinet body 5. Inside the cabinet body 5 are a voltage acquisition unit 6, a current acquisition unit 7, a second temperature sensor 9, a humidity sensor 10, a first smoke sensor 11, and a control device 12. Outside the cabinet body 5 is a second smoke sensor 13. The voltage acquisition unit 6, current acquisition unit 7, first temperature sensor 8, second temperature sensor 9, humidity sensor 10, first smoke sensor 11, and second smoke sensor 13 are all electrically connected to the control device 12. The voltage acquisition unit 6 is used to acquire the voltage data of the battery 4; the current acquisition unit 7 is used to acquire the current data of the battery 4; the first temperature sensor 8 is used to acquire the temperature of the battery 4; the second temperature sensor 9 is used to acquire the temperature inside the cabinet body 5; the humidity sensor 10 is used to acquire the humidity data inside the cabinet body 5; the first smoke sensor 11 is used to acquire the smoke concentration data inside the cabinet body 5; and the second smoke sensor 13 is used to acquire the smoke concentration data of the external environment.

[0033] The control device 12 includes a housing, inside which are a first board and a second board. The first board is equipped with a main controller, and the second board is equipped with a data acquisition card, a wireless communication module, and a power supply module. The data acquisition card, the wireless communication module, and the power supply module are all electrically connected to the main controller.

[0034] Specifically, the cabinet 5 is also equipped with an alarm device 14 on the outside, which is used to issue an alarm when the data exceeds a set threshold.

[0035] Specifically, an image acquisition device 15 is also provided above the cabinet 5, and the image acquisition device 15 is connected to the control device 12.

[0036] Specifically, the outer surface of the cabinet 5 is equipped with a touch screen, which is used to display various parameter data inside the control cabinet, and the touch screen is electrically connected to the control device 12.

[0037] Specifically, the first board is connected to the second board via pins and sockets.

[0038] like Figure 3 As shown, the main controller includes a microcontroller, a clock circuit, a reset circuit, an interface circuit, a comparator, and an AD converter. The clock circuit, reset circuit, interface circuit, comparator, and AD converter are all electrically connected to the microcontroller.

[0039] Specifically, the voltage acquisition unit 6, current acquisition unit 7, first temperature sensor 8, second temperature sensor 9, humidity sensor 10, first smoke sensor 11, and second smoke sensor 13 are all connected to the main controller via a data acquisition card.

[0040] Specifically, a signal amplification circuit and a filtering circuit are also provided between the voltage acquisition unit 6, the current acquisition unit 7, the first temperature sensor 8, the second temperature sensor 9, the humidity sensor 10, the first smoke sensor 11, the second smoke sensor 13 and the data acquisition card.

[0041] Specifically, the control device 12 is also connected to the remote management center 16 via a wireless communication module.

[0042] Specifically, the wireless communication module adopts a 4G / 5G wireless network communication module.

[0043] This invention utilizes a photovoltaic power generation system to generate electricity, stores and releases electrical energy using an energy storage device, and charges electric vehicles via a charging device. In this invention, the electricity generated by the photovoltaic power generation system can be used to charge electric vehicles, charge the energy storage device, and also feed excess electricity back into the mains power system for overall regional power dispatching.

[0044] When this invention is in operation, it uses a voltage acquisition unit to collect battery voltage data and sends it to the main controller. The main controller determines whether any abnormality has occurred. If an abnormality is found, it will issue an alarm through an alarm device to prevent danger.

[0045] When this invention is in operation, it uses a current acquisition unit to collect the storage current and voltage data and sends them to the main controller. The main controller determines whether any abnormality has occurred. If an abnormality is found, it will issue an alarm through an alarm device to prevent danger.

[0046] When this invention is in operation, it uses a first temperature sensor to collect battery temperature data and sends it to the main controller. The main controller uses a comparator to determine whether the data exceeds a set threshold. If it does, it sends an alarm signal and uses an alarm device to remind the user to avoid damage to the battery due to overheating.

[0047] When this invention is in operation, it uses a second temperature sensor to collect temperature data inside the cabinet and sends it to the main controller. The main controller uses a comparator to determine whether the data exceeds a set threshold. If it does, it sends an alarm signal to alert the user and prevent damage to components caused by excessive temperature.

[0048] When in operation, this utility model uses a humidity sensor to collect humidity data inside the cabinet and sends it to the main controller. The main controller uses a comparator to determine whether the data exceeds a set threshold. If it does, an alarm signal is sent to alert the user through an alarm device, thus preventing damage to components and potential dangers such as electrical leakage caused by excessive humidity.

[0049] When in operation, this invention uses a first smoke sensor to collect smoke concentration data inside the cabinet and sends it to the main controller. When smoke is detected, an alarm device is activated to alert the user and prevent danger.

[0050] This invention also utilizes a second smoke sensor to collect external environmental smoke concentration data. When smoke is detected, an alarm device is used to issue a warning, thus preventing fire hazards.

[0051] This invention also utilizes an image acquisition device to collect overall system environmental data and send it to a remote management center for monitoring and management, facilitating timely detection of problems.

[0052] It should be noted that all components used in this utility model are existing products in the field and are not limited to specific models. The connection relationship between the components is also a conventional method in the field, as long as data transmission can be achieved.

[0053] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A photovoltaic-storage-charging microgrid system, characterized in that: It includes a photovoltaic power generation device (1), an energy storage device (2) and a charging device (3). The photovoltaic power generation device (1) generates electricity through photovoltaic power generation. The energy storage device (2) is used to store and release electrical energy. The charging device (3) is used to charge electric vehicles. The photovoltaic power generation device (1), the energy storage device (2) and the charging device (3) are combined with the power grid to form a photovoltaic-storage-charging microgrid. The photovoltaic power generation device (1) includes a photovoltaic cell module and a photovoltaic combiner box. The photovoltaic combiner box is connected to the photovoltaic cell module and is used to collect the electrical energy generated by the photovoltaic cell module and connect it to the energy storage device (2). The energy storage device (2) includes a battery (4) and a control cabinet; the battery is equipped with a first temperature sensor (8), the control cabinet includes a cabinet (5), the cabinet is equipped with a voltage acquisition unit (6), a current acquisition unit (7), a second temperature sensor (9), a humidity sensor (10), a first smoke sensor (11), and a control device (12), the cabinet is equipped with a second smoke sensor (13) on the outside of the cabinet (5), the voltage acquisition unit (6), the current acquisition unit (7), the first temperature sensor (8), the second temperature sensor (9), the humidity sensor (10), the first smoke sensor (11), and the control device (12) are all located inside the cabinet. 11) The second smoke sensor (13) is electrically connected to the control device (12). The voltage acquisition unit (6) is used to acquire the voltage data of the storage battery (4). The current acquisition unit (7) is used to acquire the current data of the storage battery (4). The first temperature sensor (8) is used to acquire the temperature of the storage battery (4). The second temperature sensor (9) is used to acquire the temperature inside the cabinet. The humidity sensor (10) is used to acquire the humidity data inside the cabinet (5). The first smoke sensor (11) is used to acquire the smoke concentration data inside the cabinet (5). The second smoke sensor (13) is used to acquire the smoke concentration data of the external environment. The control device (12) includes a housing, inside which are a first board and a second board. The first board is equipped with a main controller, and the second board is equipped with a data acquisition card, a wireless communication module and a power supply module. The data acquisition card, the wireless communication module and the power supply module are all electrically connected to the main controller.

2. The photovoltaic-storage-charging microgrid system according to claim 1, characterized in that: An alarm device (14) is also provided on the outside of the cabinet (5) to provide an alarm reminder when the data exceeds the set threshold.

3. A photovoltaic-storage-charging microgrid system according to claim 1, characterized in that: An image acquisition device (15) is also provided above the cabinet (5), and the image acquisition device (15) is connected to the control device (12).

4. A photovoltaic-storage-charging microgrid system according to claim 1, characterized in that: The cabinet (5) is equipped with a touch screen on its outer surface. The touch screen is used to display various parameter data inside the control cabinet. The touch screen is electrically connected to the control device (12).

5. A photovoltaic-storage-charging microgrid system according to claim 1, characterized in that: The first board is connected to the second board via pins and sockets.

6. A photovoltaic-storage-charging microgrid system according to claim 1, characterized in that: The main controller includes a microcontroller, a clock circuit, a reset circuit, an interface circuit, a comparator, and an AD converter. The clock circuit, reset circuit, interface circuit, comparator, and AD converter are all electrically connected to the microcontroller.

7. A photovoltaic-storage-charging microgrid system according to claim 1, characterized in that: The voltage acquisition unit (6), current acquisition unit (7), first temperature sensor (8), second temperature sensor (9), humidity sensor (10), first smoke sensor (11), and second smoke sensor (13) are all connected to the main controller via a data acquisition card.

8. A photovoltaic-storage-charging microgrid system according to claim 7, characterized in that: The voltage acquisition unit (6), current acquisition unit (7), first temperature sensor (8), second temperature sensor (9), humidity sensor (10), first smoke sensor (11), second smoke sensor (13) and the data acquisition card are further provided with a signal amplification circuit and a filtering circuit.

9. A photovoltaic-storage-charging microgrid system according to claim 1, characterized in that: The control device (12) is also connected to the remote management center (16) via a wireless communication module.

10. A photovoltaic-storage-charging microgrid system according to claim 9, characterized in that: The wireless communication module adopts a 4G / 5G wireless network communication module.

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