Optical storage charging station for electric two-wheeled vehicle

By designing a series photovoltaic panel and inverter controller, combined with a lithium iron phosphate battery pack and battery protection board, the safety and efficiency issues of solar charging devices for electric two-wheelers have been solved, achieving efficient and safe DC charging, and improving solar energy utilization and the flexibility of charging stations.

CN223864718UActive Publication Date: 2026-02-03薛志鑫 +1
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Patent Information

Application Number
CN202322573800.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-09-21
Publication Date
2026-02-03
Estimated Expiration
2033-09-21

AI Technical Summary

Technical Problem

Existing solar charging devices for electric two-wheelers require DC and AC conversion, which affects charging safety. They also have many components, leading to increased power loss. Furthermore, their structure is unreasonable, resulting in low solar energy utilization and generally poor practicality.

Method used

The device employs a structure consisting of five photovoltaic panels connected in series, a lithium battery pack, an inverter controller, and a square cabinet with a charging interface. The output terminals of the photovoltaic panels and the lithium battery pack are both connected to the inverter controller. The voltage of the electric two-wheeler is detected through the charging interface. The inverter controller includes a boost coil, capacitors, diodes, relays, and a transformer to achieve DC operation throughout the entire process, avoiding DC-AC conversion. It uses a lithium iron phosphate battery pack and is equipped with a battery protection board.

Benefits of technology

It improves solar energy utilization, enhances charging safety and efficiency, reduces power loss, and increases the flexibility and practicality of charging stations to meet the needs of different scenarios.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a light storage charging station for an electric two-wheeled vehicle, which relates to the technical field of solar charging and comprises five photovoltaic panels, a lithium battery pack, an inverter controller and a cabinet body with a charging interface, and the five photovoltaic panels are connected in series and are respectively mounted on four peripheral surfaces and the top of the cabinet body. The output end of the photovoltaic panel and the output end and the input end of the lithium battery pack are all connected to the inverter controller, and the inverter controller can detect the voltage setting of the electric two-wheeled vehicle through the charging interface. According to the utility model, the structure arrangement is more reasonable, the utilization rate of solar energy is greatly improved, namely the overall practicability is greatly improved under the condition that the sun rises in east and falls in west, meanwhile, the operation process of converting direct current and alternating current is avoided, the charging safety of the electric two-wheeled vehicle is greatly improved, and the electric two-wheeled vehicle is more energy-saving and environment-friendly. And excessive components are not needed in the operation process, so that the electric loss is greatly reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to solar charging technical field, specifically, relate to a kind of electric two-wheeled vehicle light storage charging station. BACKGROUND

[0002] In modern life, electric two-wheeled vehicle (including electric bicycle) as a kind of energy consumption low, energy-saving and environment-friendly traffic tool in line with the concept of "green travel", has been more and more widely popular, the charging difficulty problem brought by it is also more and more prominent.Electric two-wheeled vehicle charging mode is mostly directly connected to the mains for charging, but, mains is basically generated by coal and other non-renewable energy, in this case, electric vehicle only reduces the demand for oil, but increases the consumption of mains and resources required by mains.Therefore, solar charging for electric two-wheeled vehicle arises at this time.But, the total amount of power generation of traditional electric two-wheeled vehicle solar charging device is mostly low, and it often cannot be used normally in the case of no sun or cloudy day with relatively low solar intensity.

[0003] And the related research on electric two-wheeled vehicle solar charging device in prior art, such as patent application CN204271692U electric vehicle charging device based on photovoltaic power generation, can realize power storage through the synergistic effect of power storage device, photovoltaic panel and inverter, so as to meet the normal charging demand in the case of no sun or cloudy day with relatively low solar intensity, and can improve the total amount of power generation by setting high-power polycrystalline silicon components as photovoltaic panels, but, direct current and alternating current still need to be converted in prior art, the use of alternating current affects the charging safety of electric two-wheeled vehicle, and many components are needed for conversion, so that the electric loss increases, at the same time, the structure of prior art is unreasonable, the utilization rate of solar energy is low, and the overall practicability is general.

[0004] Therefore, a new technical solution is needed to solve the above technical problems. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of electric two-wheeled vehicle light storage charging station to solve the technical problems that direct current and alternating current still need to be converted in prior art, the use of alternating current affects the charging safety of electric two-wheeled vehicle, and many components are needed for conversion, so that the electric loss increases, at the same time, the structure of prior art is unreasonable, the utilization rate of solar energy is low, and the overall practicability is general.

[0006] To achieve the above purpose, the utility model adopts the following technical solutions:

[0007] The utility model provides an electric two -wheeled vehicle light storage charging station, including photovoltaic board, still include lithium battery group, inverter controller and the cabinet body with charging interface, the cabinet body is square structure and is installed four pulleys respectively in the bottom four corners, lithium battery group, inverter controller all install in the inside of cabinet body, charging interface is located at the front of cabinet body, the photovoltaic board is in series with five and is installed in the outside circumference four sides and top of cabinet body, the output of photovoltaic board, and the output and input of lithium battery group are all connected to inverter controller, and inverter controller can detect electric two -wheeled vehicle voltage setting through charging interface.

[0008] Further, the inverter controller includes a boost coil, a capacitor, a diode, a relay, a transformer, and a voltage collector, the output of the photovoltaic panel is connected to the boost coil, the charging interface is connected to the voltage collector, the boost coil, the capacitor, the diode, the relay, the transformer, and the voltage collector are connected in sequence, the photovoltaic panel, the boost coil, the capacitor, the diode, the battery protection board, and the lithium battery group are connected in sequence to form a charging circuit, and the lithium battery group, the battery protection board, the relay, the transformer, the voltage collector, and the charging interface are connected in sequence to form a discharging circuit.

[0009] Further, the lithium battery group is a lithium iron phosphate battery group.

[0010] Compared with the prior art, the utility model has the advantages that:

[0011] 1. In the utility model, the photovoltaic panel, the lithium battery group, the inverter controller, and the cabinet body with the charging interface are provided, and five photovoltaic panels are installed on the four sides and the top of the cabinet body. This arrangement ensures the total power generation and makes the structure more reasonable, greatly improving the utilization rate of solar energy. In the case of the sun rising in the east and setting in the west, the photovoltaic panel is always perpendicular to the sun, thereby greatly improving the overall practicality. The output of the photovoltaic panel and the output and input of the lithium battery group are connected to the inverter controller, and the inverter controller can detect the voltage of the electric two-wheeled vehicle through the charging interface. This arrangement realizes the whole process of direct current operation, avoids the operation process of converting direct current to alternating current, greatly improves the charging safety of the electric two-wheeled vehicle, and only needs to realize voltage boosting, voltage stabilizing, and voltage collecting in the operation process of the utility model, without too many components, greatly reduces the electrical loss, and fully improves the charging effect and efficiency of the electric two-wheeled vehicle.

[0012] 2. The inverter controller in this utility model includes a boost coil, a capacitor, a diode, a relay, a transformer, and a voltage acquisition device connected in sequence. The output end of the photovoltaic panel is connected to the boost coil, and the charging interface is connected to the voltage acquisition device. When the power output from the photovoltaic panel is DC, the power from the lithium battery pack is DC, and the power used to charge the electric two-wheeler is also DC, the entire process of DC power operation is fully guaranteed. At the same time, the voltage acquisition device in this utility model allows the inverter controller to easily switch the voltage according to the voltage required by the electric two-wheeler to charge the electric two-wheeler, which further improves the practicality of this photovoltaic-storage charging station.

[0013] 3. This utility model uses a lithium iron phosphate battery pack as an energy storage device, which has the advantages of high temperature resistance, low internal resistance, high cycle life, high voltage and high capacity, and long service life. It can meet the fast charging needs of electric two-wheeled vehicles and further improve the overall practicality of the photovoltaic-storage charging station. Furthermore, the battery protection board can be set up to provide charging and discharging protection for the lithium iron phosphate battery pack, thereby further improving the charging safety of electric two-wheeled vehicles and ensuring the overall practicality of the photovoltaic-storage charging station.

[0014] 4. In this utility model, the cabinet has a square structure and four pulleys are installed at the four corners of the bottom, which makes the cabinet flexible, compact and movable, so that the photovoltaic energy storage charging station can work in different scenarios, greatly improving the flexibility of use of the photovoltaic energy storage charging station, and thus further improving its practicality. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model;

[0016] Figure 2 for Figure 1 Side view diagram (photovoltaic panel omitted);

[0017] Figure 3 This is a schematic diagram illustrating the working principle of this utility model;

[0018] Figure 4 This is a schematic diagram illustrating the working principle of the inverter controller of this utility model;

[0019] In the diagram: 1. Photovoltaic panel, 2. Cabinet, 3. Pulley, 4. Charging interface, 5. Lithium battery pack, 6. Boost coil, 7. Capacitor, 8. Diode, 9. Relay, 10. Transformer, 11. Voltage acquisition device, 12. Battery protection board. Detailed Implementation

[0020] The following embodiments are used to further illustrate the content of this utility model, and do not limit the application of this utility model.

[0021] Please seeFigures 1-4 It shows a kind of electric two-wheeled vehicle light storage charging station, including the cabinet 2 of square structure (the basic structure such as touch display screen possessed by prior light storage charging station is not specifically described here, and is not shown in the drawing, but should not limit its function implementation), four pulleys 3 are respectively installed at the bottom of the four corners of the cabinet 2, five photovoltaic panels 1 are respectively installed on the outer periphery of the four sides and the top of the cabinet 2, and the five photovoltaic panels 1 are connected in series, the charging interface 4 for connecting the electric two-wheeled vehicle is further arranged on the front of the cabinet 2, the inverter controller and the lithium battery group 5 are installed in the cabinet 2, and the lithium battery group 5 is a lithium iron phosphate battery group.

[0022] Further, the inverter controller comprises a boost coil 6, a capacitor 7 and a diode 8 connected in sequence, a relay 9, a transformer 10 and a voltage collector 11, a battery protection board 12 for preventing overcharge and overdischarge of the lithium battery group 5 is connected between the diode 8 and the relay 9 (the functions and structures of the battery protection board and other conventional components are well known in the art, so they will not be described here, and are not shown in the drawing), the output end of the photovoltaic panel 1, the boost coil 6, the capacitor 7, the diode 8, the battery protection board 12 and the input end of the lithium battery group 5 are connected in sequence to form a charging circuit, the voltage collector 11 is connected to the charging interface 4, and the output end of the lithium battery group 5, the battery protection board 12, the relay 9, the transformer 10, the voltage collector 11 and the charging interface 4 are connected in sequence to form a discharging circuit.

[0023] Among them, the total surface area of the five photovoltaic panels 1 is 3.5 square meters, each square meter can generate 3-4 degrees of electricity per day, and the total amount of electricity generated per day can reach 14 degrees, while the lithium iron phosphate battery group has a capacity of 120V, 100AH, close to 12 degrees of electricity.

[0024] The working principle and working process of the utility model are as follows:

[0025] Charging: the photovoltaic panel 1 receives the sun's radiation, converts solar energy into electrical energy and outputs to the charging circuit of the inverter controller, the inverter controller converts through DC, charges the lithium battery group 5 through the battery protection board 12, and automatically cuts off the power supply after being fully charged to protect the lithium battery group 5;

[0026] Discharging: the lithium battery group 5 discharges to the discharging circuit of the inverter controller, when the charging plug of the electric two-wheeled vehicle battery is inserted into the charging interface 4 of the light storage charging station, the discharging circuit can detect the voltage required by the electric two-wheeled vehicle through the voltage collector 11 and freely switch to the required voltage to charge the electric two-wheeled vehicle (here, the output voltage is 48-72V).

[0027] In addition, the four pulleys 3 at the bottom of the light storage charging station facilitate the movement of the light storage charging station, so that it can adapt to different scenes.

Claims

1. A photovoltaic-storage charging station for electric two-wheeled vehicles, comprising photovoltaic panels, characterized in that, It also includes a lithium battery pack, an inverter controller, and a cabinet with a charging interface. Five photovoltaic panels are connected in series and installed on the four outer sides and the top of the cabinet. The output end of the photovoltaic panels, as well as the output and input ends of the lithium battery pack, are connected to the inverter controller. The inverter controller can detect the voltage setting of the electric two-wheeler through the charging interface.

2. The electric two-wheeled vehicle photovoltaic energy storage charging station according to claim 1, characterized in that, The lithium battery pack is a lithium iron phosphate battery pack.

3. The electric two-wheeled vehicle photovoltaic energy storage charging station according to claim 1, characterized in that, The inverter controller includes a boost coil, a capacitor, a diode, a relay, a transformer, and a voltage acquisition device. The output terminal of the photovoltaic panel is connected to the boost coil, and the charging interface is connected to the voltage acquisition device. The boost coil, capacitor, diode, relay, transformer, and voltage acquisition device are connected in sequence.

4. The electric two-wheeled vehicle photovoltaic energy storage charging station according to claim 3, characterized in that, The photovoltaic energy storage charging station also includes a battery protection board to prevent overcharging and over-discharging of the lithium battery pack. The output and input terminals of the lithium battery pack are both connected to the battery protection board, which is connected between a diode and a relay.

5. The electric two-wheeled vehicle photovoltaic-storage charging station according to claim 4, characterized in that, The photovoltaic panel, boost coil, capacitor, diode, battery protection board, and lithium battery pack are connected in sequence to form a charging circuit.

6. The electric two-wheeled vehicle photovoltaic energy storage charging station according to claim 4, characterized in that, The lithium battery pack, battery protection board, relay, transformer, voltage acquisition device and charging interface are connected in sequence to form a discharge circuit.

7. The electric two-wheeled vehicle photovoltaic energy storage charging station according to claim 1, characterized in that, The cabinet has a square structure and four casters are installed at the four corners of the bottom.

8. The electric two-wheeled vehicle photovoltaic energy storage charging station according to claim 1, characterized in that, The lithium battery pack and inverter controller are both installed inside the cabinet, and the charging interface is located on the front of the cabinet.

Citation Information

Patent Citations

  • Electric car charging device based on photovoltaic power generation

    CN204271692U