Mobile charging system based on battery replacement

Abstract

The mobile charging system comprises a mobile charging vehicle and at least one mobile energy station, the mobile charging vehicle comprises charging equipment and multiple sets of battery packs, the multiple sets of battery packs are installed in the mobile energy station, and the output voltage range can be adjusted from 350 V to 850 V through series-parallel combination. The charging requirements of different vehicle types can be met; the mobile charging vehicle further comprises a safety module and a communication positioning module, the safety module is used for guaranteeing charging safety and stability, the communication positioning module is used for receiving instructions of the cloud platform and sending charging state information, and the communication positioning module and the safety module are both integrally managed through the control module. The system has the advantages that different voltage and current configurations can be realized through series-parallel combination of the internal battery packs, various direct current charging requirements of the electric automobile are met, and the charging process and energy utilization can be optimized through intelligent control.

Description

Technical Field

[0001] The present invention belongs to the technical field of mobile charging of electric vehicles, and more specifically, particularly relates to a mobile charging system based on battery replacement. Background Art

[0002] At present, with the popularity of new energy vehicles, the charging problem of electric vehicles has gradually become one of the key factors restricting its development. Traditional charging methods often take a long time and rely on fixed charging facilities, which to a certain extent limits the convenience of using electric vehicles. In order to solve this problem, mobile charging systems have emerged. It can provide fast charging services when users need them, without being restricted by location, greatly improving the efficiency of electric vehicles.

[0003] The Chinese patent with publication number CN112009283B discloses a charging station system based on a mobile charging device on a track, which aims to solve the problem of flexibility in the configuration of charging equipment in an electric vehicle charging station. The system of the present invention includes a power supply device, a charging device, a track, a transfer device, and a battery; the track includes a first track and a second track set at a parking charging position; the second track is connected to the first track through a track switching device; the transfer device matches the track; the charging device is installed on the transfer device; the battery is electrically connected to the charging device and the transfer device through a charge / discharge circuit respectively; the second track is provided with a first power supply interface; the first power supply interface is electrically connected to the power supply device; the first power supply interface matches the second power supply interface of the charging device for power input. The invention can more flexibly deploy charging equipment through the track, improve the flexibility of charging equipment scheduling in the charging station system, and indirectly expand the capacity of charging parking spaces in the charging station.

[0004] Although this type of mobile battery replacement and charging operation can be performed, this charging technology has limitations in adapting to different voltages and charging environments, especially in areas where there is a lack of fixed charging facilities. It cannot achieve different voltage and current configurations, cannot support the DC charging needs of multiple electric vehicles, and cannot optimize the charging process and energy utilization. Although mobile battery replacement is possible, the overall safety and user experience are not perfect, and it is impossible to achieve rapid information transmission and adapt to the power configuration required by different vehicles. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a mobile charging system based on battery replacement to solve the problems raised in the above background technology.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: a mobile charging system based on battery replacement, comprising a mobile charging vehicle and at least one mobile energy station, the mobile charging vehicle comprising charging equipment and multiple sets of battery packs, the multiple sets of battery packs being installed in the mobile energy station, and the output voltage range of 350V to 850V can be adjusted through series-parallel combination to meet the charging needs of different vehicle models; The mobile charging vehicle also includes a safety module and a communication and positioning module. The safety module is used to ensure safe and stable charging, and the communication and positioning module is used to receive instructions from the cloud platform and send charging status information. The communication positioning module and the security module are managed as a whole through the control module.

[0007] As an optional solution of the present invention, the multiple battery packs in the mobile energy station are charged during off-peak hours when electricity prices are lower or by connecting to renewable energy sources (such as abandoned wind or photovoltaic energy) to reduce operating costs and improve energy utilization. At the same time, different battery packs can be replaced to achieve energy replenishment and capacity expansion of the mobile charging system.

[0008] As an optional solution of the present invention, the charging device includes a charging pile, a monitoring module and a plurality of charging modules, and the plurality of charging modules are connected to the plurality of battery packs via a CAN bus.

[0009] As an optional solution of the present invention, the monitoring module includes a charging pile control unit, a display unit, a multi-channel data acquisition unit and a fault alarm unit. The charging pile control unit is used to control the charging endurance, charging time and charging speed; the display unit is used to display the charging progress and charging type, the multi-channel acquisition unit is used to detect and collect the operating data of each circuit during the charging process, and the fault alarm unit is used for alarm control and remote alarm reminder.

[0010] As an optional solution of the present invention, the safety module can be divided into an overload protection unit, a short circuit protection unit and a temperature monitoring unit to ensure that the charging process is safe and reliable. If any danger is encountered during the charging process, each unit will respond immediately and handle it in time.

[0011] As an optional solution of the present invention, the communication positioning module includes a GPS positioning unit and a wireless communication unit. The wireless communication module supports 4G / 5G network communication. All information will be transmitted to the terminal through the cloud platform, and the user can control and understand the information through the terminal.

[0012] As an optional solution of the present invention, the control module integrates communication with the vehicle side, linkage with the battery management system (BMS), power estimation and an artificial intelligence-based algorithm to optimize charging efficiency and power management.

[0013] As an optional solution of the present invention, the control module automatically adjusts the output voltage and current according to the vehicle type and charging status.

[0014] The present invention provides a mobile charging system based on battery replacement, which has the following beneficial effects: Charging is carried out through mobile energy stations during off-peak hours when electricity prices are low, or by connecting to renewable energy sources (such as abandoned wind or photovoltaic energy). Different battery packs are replaced according to demand to achieve energy replenishment and expansion of the mobile charging system, and energy is quickly replenished through battery replacement to achieve continuous operation. During the charging process of the vehicle, each unit of the monitoring module will continue to monitor to ensure safe and stable charging. When danger occurs, an alarm will be issued immediately, and the control module will control the various units in the safety module to operate quickly, handle in time, and reduce the risk of fire. The control module will optimize the charging process and energy utilization, improve charging efficiency and power management, and quickly locate the vehicle through the communication positioning module. The information is quickly transmitted to the terminal through the cloud platform to ensure that the terminal user is aware of the information at the first time, while receiving instructions from the cloud platform and sending charging status information. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a system layout diagram of the present invention. DETAILED DESCRIPTION

[0016] The following embodiments of the present invention are described in further detail in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0017] In the description of the present invention, unless otherwise specified, "plurality" means two or more than two; the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0018] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0019] See also Figure 1 The present invention provides a technical solution: a mobile charging system based on battery replacement, comprising a mobile charging vehicle and at least one mobile energy station. The mobile energy station is charged with natural energy or low-cost energy to improve environmental protection and energy saving. The mobile charging vehicle comprises a charging device and multiple battery packs. The multiple battery packs are installed in the mobile energy station. The output voltage range can be adjusted from 350V to 850V through series-parallel combination to meet the charging needs of different models. The multiple battery packs in the mobile energy station can be charged during off-peak hours when the electricity price is low or by accessing renewable energy (such as abandoned wind or abandoned photovoltaic energy) to reduce operating costs and improve energy utilization. At the same time, different battery packs can be replaced to achieve energy replenishment and capacity expansion of the mobile charging system, and can be detachable and replaceable for flexible use. The mobile energy station can output 220V AC power, which is convenient for users to use daily AC electrical appliances at any location.

[0020] The charging equipment includes a charging pile, a monitoring module and multiple charging modules. The multiple charging modules are connected to the multiple battery packs via a CAN bus. The charging pile can charge the car in different ways, such as slow charging.

[0021] The monitoring module includes a charging pile control unit, a display unit, a multi-channel data acquisition unit and a fault alarm unit. The charging pile control unit is used to control the charging endurance, charging time and charging speed; the display unit is used to display the charging progress and charging type, the multi-channel acquisition unit is used to detect and collect the operating data of each circuit during the charging process, so as to ensure the stability of charging, and the fault alarm unit is used for alarm control and remote alarm reminder.

[0022] The mobile charging vehicle also includes a safety module, which can be divided into an overload protection unit, a short circuit protection unit and a temperature monitoring unit to ensure that the charging process is safe and reliable. If any danger is encountered during the charging process, each unit will respond immediately and take timely measures to reduce the risk of fire.

[0023] The mobile charging vehicle also includes a communication and positioning module, which includes a GPS positioning unit and a wireless communication unit, which is used to receive instructions from the cloud platform and send charging status information. The wireless communication module supports 4G / 5G network communication. All information will be transmitted to the terminal through the cloud platform, and users can control and understand the information through the terminal.

[0024] The communication positioning module and the safety module are managed as a whole through the control module. The control module integrates communication with the vehicle, linkage with the battery management system (BMS), power estimation and artificial intelligence-based algorithms to optimize charging efficiency and power management.

[0025] The control module automatically adjusts the output voltage and current according to the vehicle type and charging status.

[0026] The intelligent control formula for power management includes dynamic estimation of battery charging status: E(t) =P(t) *T, where E(t) is the estimated power, P(t) is the charging power, and T is the charging time. Through real-time calculation and adjustment, energy distribution and utilization efficiency are optimized. In addition, artificial intelligence algorithms are used to predict and manage battery charging and output, ensuring that the system can work efficiently and safely in various operating environments.

[0027] The specific usage and function of this embodiment are as follows: S1. Charge the mobile energy station during off-peak hours when electricity prices are lower or by connecting to renewable energy sources (such as abandoned wind or photovoltaic energy). Replace different battery packs as needed to expand the capacity of the mobile charging system, and quickly replenish energy through battery replacement to achieve continuous operation.

[0028] S2. During the charging process of the vehicle, each unit of the monitoring module will continuously monitor to ensure safe and stable charging. When danger occurs, an alarm will be immediately sounded, and the control module will control each unit in the safety module to operate quickly and handle it in time to reduce the risk of fire.

[0029] S3. Optimize the charging process and energy utilization through the control module to improve charging efficiency and power management.

[0030] S4. Rapid positioning is performed through the communication positioning module, and information is quickly transmitted to the terminal through the cloud platform to ensure that the terminal user is aware of the information in the first place, while receiving instructions from the cloud platform and sending charging status information.

[0031] How the mobile charging system works: Mobile charging systems usually consist of several key parts, including power supply, energy storage, energy management and charging interface.

[0032] Here's how the parts work: Power supply: The power supply part of the mobile charging system can come from a variety of sources, such as a built-in high-energy battery pack or an external power input. For those mobile charging vehicles equipped with solar panels, they can use solar panels to provide power to the battery pack anytime and anywhere, thereby achieving self-recharge.

[0033] Energy storage: The energy storage part usually uses lithium batteries, such as polymer lithium batteries, 18650 lithium batteries or AAA nickel-metal hydride batteries. These batteries are responsible for storing electrical energy so that they can be released to other devices when needed.

[0034] Energy management: The energy management system is the core of the mobile charging system. It is responsible for controlling the charging and discharging process to ensure the safety and efficiency of the battery. The charging management system can automatically adjust the charging current according to the battery voltage. The process includes pre-charging, constant voltage charging and floating charging.

[0035] Charging interface: The charging interface is the connection point between the mobile charging system and the device to be charged. For a wired charging system, the charging interface may be a slow charging interface or a dedicated charging port.

[0036] The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. Ordinary technicians in this field can understand and implement it without paying creative labor.

[0037] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A mobile charging system based on battery replacement, comprising a mobile charging vehicle and at least one mobile energy station, characterized in that: The mobile charging vehicle includes charging equipment and multiple battery packs. The multiple battery packs are installed in the mobile energy station. Through the series-parallel combination, the output voltage range can be adjusted from 350V to 850V to meet the charging needs of different models. The mobile charging vehicle also includes a safety module and a communication and positioning module. The safety module is used to ensure safe and stable charging, and the communication and positioning module is used to receive instructions from the cloud platform and send charging status information. The communication positioning module and the security module are managed as a whole through the control module.

2. A mobile charging system based on battery replacement according to claim 1, characterized in that: The multiple battery packs in the mobile energy station are charged during off-peak hours when electricity prices are lower or by accessing renewable energy (such as abandoned wind or photovoltaic energy) to reduce operating costs and improve energy utilization. Different battery packs can also be replaced to achieve energy replenishment and capacity expansion of the mobile charging system.

3. A mobile charging system based on battery replacement according to claim 1, characterized in that: The charging device includes a charging pile, a monitoring module and a plurality of charging modules, and the plurality of charging modules are connected to the plurality of battery packs via a CAN bus.

4. A mobile charging system based on battery replacement according to claim 3, characterized in that: The monitoring module includes a charging pile control unit, a display unit, a multi-channel data acquisition unit and a fault alarm unit. The charging pile control unit is used to control the charging endurance, charging time and charging speed; the display unit is used to display the charging progress and charging type, the multi-channel acquisition unit is used to detect and collect the operating data of each circuit during the charging process, and the fault alarm unit is used for alarm control and remote alarm reminder.

5. The mobile charging system based on battery replacement according to claim 1, characterized in that: The safety module can be divided into an overload protection unit, a short circuit protection unit and a temperature monitoring unit to ensure that the charging process is safe and reliable. If any danger is encountered during the charging process, each unit will respond immediately and handle it in a timely manner.

6. A mobile charging system based on battery replacement according to claim 1, characterized in that: The communication and positioning module includes a GPS positioning unit and a wireless communication unit. The wireless communication module supports 4G / 5G network communication. All information will be transmitted to the terminal through the cloud platform, and users can control and understand the information through the terminal.

7. The mobile charging system based on battery replacement according to claim 1, characterized in that: The control module integrates vehicle-side communication, battery management system (BMS) linkage, power estimation and artificial intelligence-based algorithms to optimize charging efficiency and power management.

8. A mobile charging system based on battery replacement according to claim 7, characterized in that: The control module automatically adjusts the output voltage and current according to the vehicle type and charging status.

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