Optical storage, charging and inspection integrated primary-secondary power supply vehicle

Abstract

The invention relates to the field of mobile energy storage vehicles, in particular to an optical storage, charging and inspection integrated primary and secondary power supply vehicle. The light storage, charging and detection integrated child-mother type power supply vehicle is a product integrating photovoltaic power generation, mobile energy storage and mobile charging, the child-mother vehicle partner matching mode is adopted, under the condition that the use scene of the mother vehicle is limited, charging operation can be independently completed through the child mobile charging vehicle, the use scene is greatly enriched, and the use experience is improved. The vehicle comprises a mother carriage, a battery management system, an energy storage module, a main control module, a photovoltaic panel and a son mobile charging vehicle, the main control module is in signal connection with the battery management system and the photovoltaic panel, the battery management system is in signal connection with the energy storage module and the photovoltaic panel, the photovoltaic panel is electrically connected with the energy storage module, and the energy storage module is provided with a mains supply connection interface. The child mobile charging vehicle is located in the mother compartment, and the child mobile charging vehicle is configured to selectively move to the outside of the mother compartment to supply power to the outside and move to the inside of the mother compartment to be connected with the energy storage module.

Description

Technical Field

[0001] The present invention relates to the field of mobile energy storage vehicles, and in particular to a photovoltaic, storage, charging and testing integrated parent-child power supply vehicle. Background Art

[0002] With the acceleration of global energy transformation and the rapid development of renewable energy, the market demand for energy storage EMS continues to grow. Especially in large and medium-sized energy storage power stations on the new energy side and the grid side, EMS faces a large amount of monitoring data information, diversified control strategy requirements, and increased complexity of the dispatching and management system, and the market demand is even more vigorous.

[0003] In the related technology, the invention patent with application number "202210603738.1" and name "A modular mobile energy storage and charging device with integrated photo-storage and charging and its operation method" discloses a modular mobile energy storage and charging device with integrated photo-storage and charging, including a movable charging body, a foldable photovoltaic panel located on the top of the movable charging body, a battery management system located inside the movable charging body, an energy storage module and a main control module. The energy storage module is provided with a mains connection interface. The main control module is used to control the movable charging body to move to a designated parking lot and control the unfolding and closing of the foldable photovoltaic panel. The operation method of the device includes a path planning method: first obtain the current position of the device and the traffic information to the target parking lot, calculate the traffic flow and travel speed of possible sections around the target parking lot, and then perform navigation path planning with the shortest driving route or the shortest driving time as the goal to obtain the optimal navigation path, and then determine whether the remaining power of the energy storage module can reach the target parking lot. If so, execute the optimal navigation path.

[0004] However, the above-mentioned photovoltaic storage and charging integrated modular mobile energy storage and charging devices are relatively large in size due to the need to integrate multiple functions such as energy storage and charging, and are therefore limited in some usage scenarios, such as narrow roads in old residential areas. Therefore, for those skilled in the art, how to provide a photovoltaic storage charging and inspection integrated mother-child power supply vehicle to enrich the usage scenarios is of relatively practical significance. Summary of the invention

[0005] In view of the deficiencies in the prior art, the purpose of the present invention is to provide an integrated photovoltaic, storage, charging and inspection power supply vehicle to enrich the usage scenarios.

[0006] To solve the above problems, the present invention provides an integrated photovoltaic, storage, charging and inspection sub-parent power supply vehicle, including a mother compartment, a battery management system, an energy storage module, a main control module, and a photovoltaic panel. The battery management system, the energy storage module, and the main control module are all located inside the mother compartment, and the photovoltaic panel is located on the top of the mother compartment. The main control module is signal-connected to the battery management system and the photovoltaic panel, and the battery management system is signal-connected to the energy storage module and the photovoltaic panel. The photovoltaic panel is electrically connected to the energy storage module, and a mains connection interface is provided on the energy storage module. The present invention also includes a sub-mobile charging vehicle, which is located inside the mother compartment. The sub-mobile charging vehicle is configured to be selectively moved to the outside of the mother compartment for external power supply and to the inside of the mother compartment for connection with the energy storage module. The sub-mobile charging vehicle is provided with a battery detection system, and the battery detection system is used to detect the battery status of an external device to be charged.

[0007] As a further improvement of the above-mentioned integrated photovoltaic, storage, charging and inspection parent-child power supply vehicle, the number of the sub-mobile charging vehicles is two, and the two sub-mobile charging vehicles are symmetrically located inside the mother compartment.

[0008] As a further improvement of the above-mentioned integrated photovoltaic, storage, charging and inspection parent-child power supply vehicle, the sub-mobile charging vehicle includes an unmanned driving mode.

[0009] As a further improvement of the above-mentioned integrated photovoltaic, storage, charging and inspection parent-child power supply vehicle, the sub-mobile charging vehicle includes a manned driving mode.

[0010] As a further improvement of the above-mentioned integrated photovoltaic, storage, charging and inspection mother-child power supply vehicle, it also includes a charging pile, which is located inside the mother compartment.

[0011] As a further improvement of the above-mentioned integrated photovoltaic, storage, charging and testing mother-child power supply vehicle, the number of charging piles is 2, and each charging pile includes two charging guns.

[0012] As a further improvement of the above-mentioned integrated photovoltaic, storage, charging and testing mother-and-child power supply vehicle, the energy storage module includes a lithium iron phosphate battery energy storage unit.

[0013] As a further improvement of the above-mentioned integrated photovoltaic, storage, charging and inspection mother-and-child power supply vehicle, a lithium iron phosphate battery energy storage unit is provided on the sub-mobile charging vehicle.

[0014] As a further improvement of the above-mentioned integrated photovoltaic, storage, charging and inspection mother-child power supply vehicle, the photovoltaic panel is a foldable photovoltaic panel that can be unfolded and folded.

[0015] As a further improvement of the above-mentioned integrated photovoltaic, storage, charging and inspection mother-child power supply vehicle, the mother carriage includes a container.

[0016] The integrated light storage charging and inspection sub-parent power supply vehicle of the present invention is an innovative product integrating photovoltaic power generation, mobile energy storage and mobile charging, and adopts the form of sub-parent vehicle partner cooperation. When the use scene of the mother vehicle is limited, the sub-mobile charging vehicle can independently complete the charging operation, and has the characteristics of high integration, fast charging speed, flexibility, environmental protection and low noise, which greatly enriches the use scene, and can be widely used to provide energy for engineering vehicles, new energy vehicles, factories, emergency equipment, etc., and adapt to a variety of power replenishment scenes, such as mine rescue, municipal rescue, traffic emergency, fire emergency, earthquake emergency, etc., and the sub-mobile charging vehicle is provided with a battery detection system, which is used to detect the battery status of the external device to be charged, and can take active protection measures and multi-dimensional compensation for abnormal data, so as to realize the flexible output of vehicle charging current and voltage, ensure the safety of the charging process and the battery safety after charging, and realize intelligent battery management. In addition, the present invention can not only manage and dispatch the charging piles in the electric vehicle charging station, but also improve the charging efficiency and the utilization rate of the charging piles. Moreover, the energy storage device can be used to charge the electric vehicle during the low charging period and discharge during the peak period to reduce the load pressure of the power grid. In addition, the operating status and energy consumption of electric vehicle charging stations can be monitored in real time, providing data support for energy management and optimization. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0018] Figure 1 Schematic diagram of the structure of a photovoltaic, storage, charging and inspection integrated mother-child power supply vehicle according to an embodiment of the present invention.

[0019] Figure 2 Schematic diagram of the structure of a photovoltaic, storage, charging and inspection integrated mother-child power supply vehicle according to an embodiment of the present invention.

[0020] Figure 3 Schematic diagram of the structure of a sub-mobile charging vehicle according to an embodiment of the present invention.

[0021] Figure 4 Schematic diagram of the structure of a charging pile according to an embodiment of the present invention.

[0022] In the attached figure:

[0023] 1-Main carriage 2-Battery management system 3-Energy storage module

[0024] 4- Main control module 5- Photovoltaic panel 6- Mobile charging vehicle

[0025] 7-Charging pile DETAILED DESCRIPTION

[0026] The following is a description of the implementation of the present invention by means of specific embodiments. Those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0027] Please refer to the attached drawings. It should be noted that the structures, proportions, sizes, etc. illustrated in the attached drawings of this specification are only used to match the contents disclosed in the specification for people familiar with the technology to understand and read, and are not used to limit the conditions under which the present invention can be implemented, so they have no substantial technical significance. Any modification of the structure, change in the proportion relationship or adjustment of the size should still fall within the scope of the technical contents disclosed by the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0028] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms that appear is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention. In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, for ordinary technicians in the field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0029] See also Figures 1 to 4 As shown, this embodiment provides a photo-storage charging and inspection integrated sub-mother-child power supply vehicle, including a mother compartment 1, a battery management system 2, an energy storage module 3, a main control module 4, and a photovoltaic panel 5. The battery management system 2, the energy storage module 3, and the main control module 4 are all located inside the mother compartment 1, and the photovoltaic panel 5 is located on the top of the mother compartment 1. The main control module 4 is connected to the battery management system 2 and the photovoltaic panel 5 by signal, and the battery management system 2 is connected to the energy storage module 3 and the photovoltaic panel 5 by signal. The photovoltaic panel 5 is electrically connected to the energy storage module 3, and a mains connection interface is provided on the energy storage module 3. It also includes a sub-mobile charging vehicle 6, which is located inside the mother compartment 1. The sub-mobile charging vehicle 6 is configured to be selectively moved to the outside of the mother compartment 1 to supply power to the outside and to move to the inside of the mother compartment 1 to connect with the energy storage module 3. The sub-mobile charging vehicle 6 is provided with a battery detection system (not shown in the figure), and the battery detection system is used to detect the battery status of the external device to be charged.

[0030] Among them, the photovoltaic panel 5 is electrically connected to the energy storage module 3, and the energy storage module 3 is provided with a mains connection interface, so that the photovoltaic panel 5 can not only be used to charge the energy storage module 3, but also can be connected to the mains, and can be used in parking lots without mains, providing emergency charging services for some emergency power scenarios. The sub-mobile charging vehicle 6 is also a vehicle. Compared with the mother vehicle, the sub-mobile charging vehicle 6 is a small vehicle. In the non-external power supply state, the sub-mobile charging vehicle 6 is located inside the mother compartment 1 and connected to the energy storage module 3, and is charged by the energy storage module 3. In the external power supply state, the sub-mobile charging vehicle 6 can drive out of the mother compartment 1. Since the mobile charging vehicle 6 is a small vehicle with excellent performance, it can be used in a variety of application scenarios, such as parking lots with a slope of <12%, including highway service areas, residential communities, parks, office buildings, commercial buildings, schools, hospitals, popular tourist attractions, and large-scale event parking areas. It can also be used in various complex environments in parking lots, including narrow aisles in old communities, mechanical parking spaces, and irregular parking spaces. It can also be used for outdoor power needs, including outdoor construction, outdoor exhibitions, and event power needs. It is especially suitable for parking lots with limited parking spaces, including highway service areas and scenic spots during holidays; old communities; hospitals, commercial office buildings in central cities, etc.

[0031] In the non-external power supply state or transportation state, the sub-mobile charging vehicle 6 is located inside the mother carriage 1. At this time, the sub-mobile charging vehicle 6 can be fixed inside the mother carriage 1 by means of straps or the like. The specific fixing form can refer to the existing vehicle fixing form. The sub-mobile charging vehicle 6 is detachably connected to the energy storage module 3 through a connection form such as a charging gun. When external power supply is required, an inclined rail can be built so that the sub-mobile charging vehicle 6 can be moved from the mother carriage 1 to the ground. The inclined rail can be designed with reference to the existing technology, such as the tail plate of a trailer. The sub-mobile charging vehicle 6 is provided with a battery detection system, which is used to detect the battery status of an external device to be charged. The external device to be charged can be a vehicle to be charged. Optionally, the battery detection system has a battery load management function, which can not only take active protection measures and multi-dimensional compensation for abnormal data, but also flexibly output the vehicle charging current and voltage to ensure the safety of the charging process and the safety of the battery after charging, thereby realizing intelligent battery management. The battery detection system of the sub-mobile charging vehicle 6 can obtain data through a charging gun. Similarly, the mother vehicle can also be provided with a battery detection system.

[0032] It can be seen from the above content that the integrated photovoltaic storage charging and inspection sub-parent power supply vehicle of the present invention is an innovative product integrating photovoltaic power generation, mobile energy storage, and mobile charging, and adopts the form of sub-parent vehicle cooperation. When the use scenario of the mother vehicle is limited, the sub-mobile charging vehicle 6 can independently complete the charging operation, and has the characteristics of high integration, fast charging speed, flexibility, environmental protection and low noise, which greatly enriches the use scenario, and can be widely used to provide energy for engineering vehicles, new energy vehicles, factories, emergency equipment, etc., and adapt to a variety of power replenishment scenarios, such as mine rescue, municipal rescue, traffic emergency, fire emergency, earthquake emergency, etc., and the sub-mobile charging vehicle is provided with a battery detection system, which is used to detect the battery status of the external device to be charged, and can take active protection measures and multi-dimensional compensation for abnormal data, so as to realize the flexible output of vehicle charging current and voltage, ensure the safety of the charging process and the safety of the battery after charging, and realize intelligent battery management. In addition, the present invention can not only manage and dispatch the charging piles 7 in the electric vehicle charging station, but also improve the charging efficiency and the utilization rate of the charging piles 7. Moreover, energy storage equipment can be used to charge electric vehicles during the low charging period and discharge during the peak period to reduce the load pressure on the power grid. In addition, the operating status and energy consumption of electric vehicle charging stations can be monitored in real time to provide data support for energy management and optimization. Sub-mobile charging vehicle 6 includes a battery load management system and an active obstacle avoidance system. Among them, the battery load management system refers to the BMS battery intelligent management to take active protection measures for abnormal data and multi-dimensional compensation. The flexible output of vehicle charging current and voltage ensures the safety of the charging process and the safety of the battery after charging. Sub-mobile charging vehicle 6 refers to the use of domestic advanced unmanned driving system to actively stop in milliseconds when encountering pedestrians or obstacles, and the speed limit is 5km / h.

[0033] In some embodiments of the present invention, Figure 4 As shown, there are two sub-mobile charging vehicles 6, and the two sub-mobile charging vehicles 6 are symmetrically located inside the mother carriage 1. By configuring two sub-mobile charging vehicles 6, charging services can be provided to more vehicles at the same time, thereby improving charging efficiency.

[0034] In some embodiments of the present invention, the sub-mobile charging vehicle 6 includes an unmanned driving mode and a manned driving mode. In some places with poor signals, the sub-mobile charging vehicle 6 can switch from the unmanned driving mode to the manned driving mode to meet the needs of more usage scenarios. Two sub-mobile charging vehicles 6 are configured. When the sub-mobile charging vehicle 6 includes an unmanned driving mode and realizes unmanned driving, it is convenient to realize "charging pile 7 finding a car", and you can directly place an order for charging using the APP.

[0035] In some embodiments of the present invention, Figure 4As shown, it also includes a charging pile 7, which is located inside the mother compartment 1. The charging gun of the charging pile 7 is configured to selectively connect to the sub-mobile charging vehicle 6 to charge the sub-mobile charging vehicle 6 and extend to the outside of the mother compartment 1 to supply power to the outside. The main control module 4 is connected to the charging pile 7 by signal, and the charging pile 7 is electrically connected to the energy storage module 3. In some embodiments of the present invention, Figure 4 As shown, there are two sub-mobile charging vehicles 6 and two charging piles 7. The two charging piles 7 correspond to the two sub-mobile charging vehicles 6. The two charging piles 7 are used to supply power to the two sub-mobile charging vehicles 6 as needed. In the case of external power supply, the two charging piles 7 and the two sub-mobile charging vehicles 6 can supply power to the outside respectively, that is, four new energy vehicles can be supplied with power at the same time. The sub-mobile charging vehicle 6 is provided with a charging gun and a charging interface. In some embodiments of the present invention, each charging pile 7 includes two charging guns, 480kW high-power output charging, and supports four guns charging at the same time.

[0036] In some embodiments of the present invention, the energy storage module 3 includes a lithium iron phosphate battery energy storage unit, that is, based on the lithium iron phosphate battery energy storage unit, the capacity of the lithium iron phosphate battery itself can be as high as 1200KW H. Unlike other lithium batteries, the lithium iron phosphate battery has the advantages of ultra-wide temperature range, ultra-high safety, ultra-long life, ultra-large rate, ultra-high specific energy and ultra-high environmental protection performance. Specifically, the lithium iron phosphate battery can operate in an ultra-wide temperature range of -40℃~60″C, and can also ensure attendance in the north or plateau areas in winter. The lithium iron phosphate battery supports peak shaving and valley filling, reduces electricity costs, reduces fixed equipment investment, and reduces comprehensive costs; 20 years of service life, 6000+ system-level cycle life. Similarly, the sub-mobile charging vehicle 6 is provided with a lithium iron phosphate battery energy storage unit.

[0037] In some embodiments of the present invention, the integrated photovoltaic, storage, charging and inspection power supply vehicle of the present invention is equipped with GPS positioning, real-time vehicle trajectory query, cloud dynamic monitoring, and the storage and charging system status is mastered at any time. The mother carriage 1 is made of high-quality steel plate, with a smooth and beautiful overall appearance, and has good fireproof, rainproof, dustproof, rustproof and other functions.

[0038] In some embodiments of the present invention, the number of charging output muzzles and the number of charging input muzzles of the sub-mobile charging vehicle 6 of the present invention are both single muzzles.

[0039] In some embodiments of the present invention, the photovoltaic panel 5 is a foldable photovoltaic panel 5 that can be unfolded and folded. When site conditions permit, the photovoltaic panel 5 is fully unfolded to fully utilize solar energy. In some embodiments of the present invention, the mother compartment 1 includes a container, that is, the mother compartment 1 can be composed of multiple container boxes connected in series. In some embodiments of the present invention, Figure 4As shown, the integrated photovoltaic, storage, charging and inspection parent-child power supply vehicle of the present invention includes 6 energy storage modules 3, 1 distribution box, 2 charging piles 7 and 2 sub-mobile charging vehicles 6. The power of the energy storage module 3 can reach 220kwh, the power of the charging pile 7 can reach 120kwh, and the power of the sub-mobile charging vehicle 6 can reach 133kwh. Therefore, the present invention has an ultra-large capacity of 1200KWH.

[0040] In some embodiments of the present invention, the hardware part of the present invention includes a battery monitoring module, a battery protection module, a battery balancing module, a communication module, etc. The software part includes a battery status monitoring algorithm, a battery pack balancing algorithm, a battery protection strategy, a fault diagnosis algorithm, etc. The human-computer interaction part includes a display interface, an operation interface, an alarm system, etc. The relevant parameters of the energy storage converter PCS include: the voltage / current / power of each branch on the DC side, the active power, reactive power, voltage, current, power factor, frequency and temperature of each phase on the AC side, cabinet temperature, operating status, alarm and fault information and other common information, as well as daily charge amount, daily discharge amount, cumulative charge amount, cumulative discharge amount, etc. The total voltage, current, average temperature, battery state of charge SOC, battery health state SOH, charge and discharge current and power limit, single-cell maximum battery voltage, single-cell maximum battery temperature, fault and alarm information, historical charge and discharge power, historical charge and discharge power and other common information of each group of batteries in the battery management system 2B MS system.

[0041] In summary, the integrated photovoltaic storage charging and inspection sub-parent power supply vehicle of the present invention is an innovative product integrating photovoltaic power generation, mobile energy storage, and mobile charging, and adopts the form of sub-parent vehicle cooperation. When the use scenario of the mother vehicle is limited, the sub-mobile charging vehicle 6 can independently complete the charging operation, and has the characteristics of high integration, fast charging speed, flexibility, environmental protection and low noise, which greatly enriches the use scenario. It can be widely used to provide energy for engineering vehicles, new energy vehicles, factories, emergency equipment, etc., and adapt to a variety of power replenishment scenarios, such as mine rescue, municipal rescue, traffic emergency, fire emergency, earthquake emergency, etc., and the sub-mobile charging vehicle is provided with a battery detection system, which is used to detect the battery status of the external device to be charged, and can take active protection measures and multi-dimensional compensation for abnormal data, so as to realize the flexible output of vehicle charging current and voltage, ensure the safety of the charging process and the safety of the battery after charging, and realize intelligent battery management. In addition, the present invention can not only manage and dispatch the charging piles 7 in the electric vehicle charging station, but also improve the charging efficiency and the utilization rate of the charging piles 7. Moreover, the energy storage device can be used to charge the electric vehicle during the low charging period and discharge during the peak period to reduce the load pressure of the power grid. In addition, the operating status and energy consumption of electric vehicle charging stations can be monitored in real time, providing data support for energy management and optimization.

[0042] The above-mentioned embodiments only express several implementation methods of the present invention, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the invention patent. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the attached claims.

Claims

1. A photovoltaic storage charging and inspection integrated mother-child power supply vehicle, comprising a mother compartment (1), a battery management system (2), an energy storage module (3), a main control module (4), and a photovoltaic panel (5), wherein the battery management system (2), the energy storage module (3), and the main control module (4) are all located inside the mother compartment (1), and the photovoltaic panel (5) is located on the top of the mother compartment (1), the main control module (4) is signal-connected with the battery management system (2) and the photovoltaic panel (5), the battery management system (2) is signal-connected with the energy storage module (3) and the photovoltaic panel (5), the photovoltaic panel (5) is electrically connected with the energy storage module (3), and a mains connection interface is provided on the energy storage module (3), characterized in that: The invention also comprises a sub-mobile charging vehicle (6), wherein the sub-mobile charging vehicle (6) is located inside the mother carriage (1), and the sub-mobile charging vehicle (6) is configured to be selectively moved to the outside of the mother carriage (1) to supply power to the outside and to be moved to the inside of the mother carriage (1) to be connected to the energy storage module (3), and the sub-mobile charging vehicle (6) is provided with a battery detection system, and the battery detection system is used to detect the battery status of the external device to be charged.

2. The integrated photovoltaic, storage, charging and testing power supply vehicle according to claim 1 is characterized in that: The number of the sub-mobile charging vehicles (6) is two, and the two sub-mobile charging vehicles (6) are symmetrically located inside the mother carriage (1).

3. The integrated photovoltaic, storage, charging and testing power supply vehicle according to claim 1 is characterized in that: The sub-mobile charging vehicle (6) includes an unmanned driving mode.

4. The integrated photovoltaic, storage, charging and testing power supply vehicle according to claim 1 is characterized in that: The sub-mobile charging vehicle (6) includes a manned driving mode.

5. The integrated photovoltaic, storage, charging and testing power supply vehicle according to claim 1 is characterized in that: It also includes a charging pile (7), and the charging pile (7) is located inside the mother carriage (1).

6. The integrated photovoltaic, storage, charging and testing power supply vehicle according to claim 1 is characterized in that: The number of the charging piles (7) is 2, and each charging pile (7) comprises two charging guns.

7. The integrated photovoltaic, storage, charging and testing power supply vehicle according to claim 1 is characterized in that: The energy storage module (3) comprises a lithium iron phosphate battery energy storage unit.

8. The integrated photovoltaic, storage, charging and testing power supply vehicle according to any one of claims 1 to 7, characterized in that The mobile charging vehicle (6) is provided with a lithium iron phosphate battery energy storage unit.

9. The integrated photovoltaic, storage, charging and testing power supply vehicle according to any one of claims 1 to 7, characterized in that The photovoltaic panel (5) is a foldable photovoltaic panel (5) that can be unfolded and folded.

10. The integrated photovoltaic, storage, charging and testing power supply vehicle according to any one of claims 1 to 7, characterized in that: The mother carriage (1) comprises a container.

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