Electric energy charging and storing modular system

Abstract

The invention provides an electric energy charging and storage modularization system which comprises a mobile charging and storage device which is used for storing electric energy and can carry out mobile bidirectional charging and storage; the energy gateway is used for being connected with a power grid and other equipment in the system so as to realize bidirectional charging and storage of electric energy; the mobile connection equipment is used for being connected with the energy gateway and the mobile charging and storage equipment so as to realize bidirectional charging and storage of the electric energy between the energy gateway and the mobile charging and storage equipment; and the charging and storage management platform is used for distributing and managing output, utilization and storage of the electric energy in the mobile charging and storage equipment, the energy gateway and the mobile connection equipment. The invention further provides a mode for performing micro-grid circulation by using the electric energy charging and storage modular system, a virtual power plant module and a mode for performing electric energy circulation by using the virtual power plant module.

Description

Technical Field

[0001] The present application generally relates to the field of electric energy charging and storage, and more particularly to a modular electric energy charging and storage system. Technical Background

[0002] The new energy charging market can be mainly divided into two categories: fixed and mobile charging. Fixed charging methods mainly have problems such as high infrastructure construction costs and difficulties, low operating efficiency, and poor user experience. The mobile charging solution reduces the cost and difficulty of infrastructure construction, improves operating efficiency, and enhances user experience. However, when the total number of power-consuming equipment terminals (such as electric vehicles) exceeds a certain number, the charging demand is concentrated during special time periods (such as at night), and the distribution and management difficulties become greater, which requires higher requirements for the power grid, posing greater challenges to the serviceability and stability of the power grid system.

[0003] Nowadays, more charging devices also have the function of storing electricity. They can obtain electricity from the power grid for storage and release electricity (such as feeding it back to the power grid).

[0004] However, there are still many challenges in the charge and discharge management of power terminals (such as electric vehicles), interaction with the power grid, the impact of terminal charge and discharge on the power grid, and intelligent distribution and optimization of electric energy. Currently, there is no modular system that can effectively solve these problems.

[0005] In view of the above requirements, it is desired to provide an advanced modular electric energy charging and storage system. Summary of the invention

[0006] A brief summary of one or more aspects is given below to provide a basic understanding of these aspects. This summary is not an exhaustive description of all conceived aspects, and is not intended to identify the key or decisive elements of all aspects, nor is it intended to define the scope of any aspect. Its only purpose is to give some concepts of one or more aspects in a simplified form as a prelude to a more detailed description made later.

[0007] The present application provides a modular system for charging and storing electric energy, including: a mobile charging and storing device, which stores electric energy and can perform mobile bidirectional charging and storing; an energy gateway, which is connected to a power grid and other devices in the system to realize bidirectional charging and storing of electric energy; a mobile connection device, which is connected to the energy gateway and the mobile charging and storing device to realize bidirectional charging and storing of electric energy between the energy gateway and the mobile charging and storing device; and a charging and storing management platform, which is used to distribute and manage the output, utilization and storage of electric energy in the mobile charging and storing device, the energy gateway and the mobile connection device.

[0008] In some embodiments, the mobile charging and storage device also has the functions of: obtaining and storing electrical energy from the power grid; and / or obtaining and storing electrical energy from power-consuming device terminals.

[0009] In some embodiments, the mobile charging and storage device also has the functions of: discharging the stored electric energy to the power grid; and / or charging the electric device terminal using the stored electric energy.

[0010] In some embodiments, the mobile charging and storage device obtains electrical energy from the power grid and discharges electrical energy to the power grid via the energy gateway and the mobile connection device.

[0011] In some embodiments, the system further includes a fixed connection device, the function of which is to: obtain electrical energy from the power grid and / or the power consumption device terminal; and discharge electrical energy to the power grid and / or the power consumption device terminal.

[0012] In some embodiments, the fixed connection device obtains electrical energy from the grid and discharges electrical energy to the grid via the energy gateway.

[0013] In some embodiments, the system further includes an operation-side program, and the function of the operation-side program is to provide monitoring and management for the operation of each charging and storage equipment in the system based on the charging and storage management platform.

[0014] In some embodiments, the system further includes an electricity-consuming end program, and the function of the electricity-consuming end program is to provide electric energy charging and storage services for electric equipment based on the charging and storage management platform.

[0015] In some embodiments, the mobile accessory of the mobile connection device can be moved within a certain range.

[0016] The present application also provides a method of performing microgrid circulation using the aforementioned modular electric energy charging and storage system, including: obtaining the electric energy output and utilization of each device in the microgrid to determine whether each device has sufficient electric energy, wherein the microgrid adopts the modular electric energy charging and storage system; obtaining electric energy from devices with sufficient electric energy and storing it; and using the stored electric energy to power external load devices.

[0017] In some embodiments, the method further includes: obtaining and storing electric energy from devices with sufficient electric energy during off-peak hours; and using the stored electric energy to power external load devices during peak hours.

[0018] In some embodiments, the method further includes: obtaining and storing electric energy from devices with sufficient electric energy during periods of low electricity prices; and using the stored electric energy to power external load devices during periods of high electricity prices.

[0019] The present application also provides a virtual power plant circulation system, including: a plurality of the aforementioned modular energy charging and storage systems; and a virtual power plant management platform, the function of the virtual power plant management platform is to manage the flow and distribution of electric energy in each modular energy charging and storage system.

[0020] The present application also provides a method for recycling electric energy using the aforementioned virtual power plant recycling system, including: obtaining the electric energy output and utilization of each device in multiple microgrids to determine whether the electric energy of each microgrid is sufficient for the devices in its microgrid; one of the multiple microgrids receives a power shortage warning, the power shortage warning indicates that the electric energy of the microgrid is insufficient; the power shortage warning moves the electric energy from the microgrid with sufficient electric energy to the microgrid with insufficient electric energy.

[0021] The technical solution of the present application provides an overall modular solution for electric energy charging and storage. By obtaining the electric energy output, utilization and storage status of each device in the modular electric energy charging and storage system, it is possible to achieve intelligent distribution of electric energy to ensure the balance of electric energy supply and demand. And the mechanism of two-way charging and storage of electric energy enables new energy equipment (such as electric vehicles) to obtain electric energy from the power grid and to feed electric energy back to the power grid, making new energy equipment a powerful supplement to the power grid and improving energy flexibility. In addition, mobile charging and storage equipment and mobile connection equipment expand the scope of charging and storage services, thereby meeting the needs of electric energy charging and storage in a wider range and improving user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The advantages and nature of the present application will become more apparent when the following detailed description is understood in conjunction with the accompanying drawings. In the accompanying drawings, the same reference numerals will always be used as corresponding identifiers. It is noted that the drawings described are only schematic and non-limiting. In the drawings, the sizes of the components are for illustrative purposes and are not drawn to scale.

[0023] Figure 1 An architectural diagram of a modular system for charging and storing electric energy according to various aspects of the present application is shown.

[0024] Figure 2 A block diagram of a modular system for charging and storing electric energy according to various aspects of the present application is shown.

[0025] Figure 3 The method of performing microgrid power cycle using a modular power charging and storage system according to various aspects of the present application is demonstrated.

[0026] Figure 4 An exemplary decision process for storing and releasing electric energy in a microgrid electric energy cycle according to various aspects of the present application is presented.

[0027] Figure 5A schematic diagram of a virtual power plant cycle system according to various aspects of the present application is shown.

[0028] Figure 6 A method of performing electric energy circulation using a virtual power plant circulation system according to various aspects of the present application is demonstrated. DETAILED DESCRIPTION

[0029] In order to make the technical solutions, purposes and advantages of the present application clearer, the present application is further described below in conjunction with specific embodiments and with reference to the accompanying drawings. In the following detailed description, many specific details are set forth to provide a thorough understanding of the described exemplary embodiments. However, those skilled in the art can practice the described embodiments without some or all of these specific details. In other exemplary embodiments, well-known structures are not described in detail to avoid unnecessarily obscuring the concepts of the present application. It should be understood that the specific embodiments described herein are only used to explain the present application and are not intended to limit the present application. At the same time, in the absence of conflict, the various aspects described in the embodiments may be combined arbitrarily.

[0030] Figure 1 An architectural diagram 100 of a modular system for charging and storing electric energy according to various aspects of the present application is shown.

[0031] As shown in the figure, the electric energy charging and storage modular system of the present application mainly involves multiple modules such as energy gateway, mobile connection device, mobile charging and storage device, fixed connection device, power consumption device, charging and storage management platform, user-side program, operation-side program, etc. It should be noted that Figure 1 The modules shown in are exemplary only and are not limiting.

[0032] Specifically, mobile charging and storage equipment is used to store electrical energy and can perform mobile bidirectional charging and discharging.

[0033] As shown in the figure, the mobile charging and storage device can charge the power-consuming device. Specifically, the mobile charging and storage device can be moved near the power-consuming device and docked with it, so that the power-consuming device can obtain electric energy from the mobile charging and storage device.

[0034] In some cases, if the power-consuming device has a discharge function and has sufficient power, the power-consuming device can also discharge the mobile charging and storage device.

[0035] The energy gateway can be connected to multiple devices in the system and to an external power grid (not shown in the figure) to achieve a two-way flow of electric energy. As an example, the figure shows that the energy gateway is connected to a fixed connection device and a mobile connection device, and electric energy can be bidirectionally charged and stored between the fixed connection device and the mobile connection device and the energy gateway.

[0036] Both fixed connection devices and mobile connection devices are connection devices that can be connected between two devices to achieve bidirectional charging and storage of electric energy between the two devices. The difference is that fixed connection devices are set at a fixed location and cannot be moved, while mobile connection devices can be moved within a certain range.

[0037] In some cases, the mobile connection device has a moving component that can move within a certain range to allow the mobile connection device to dock with the mobile charging and storage device.

[0038] Although the figure only shows that the mobile charging and storage device obtains and stores electric energy from the power-consuming device, it should be noted that the mobile charging and storage device can also obtain and store electric energy from the external power grid. When the external power grid is short of power, the mobile charging and storage device can also discharge to the external power grid.

[0039] Specifically, mobile charging and storage equipment can be connected to the power grid through mobile connection devices and energy gateways, obtaining electrical energy from the power grid or discharging electricity to the power grid.

[0040] The charging and storage management platform is mainly responsible for the distribution and management of electric energy. Specifically, the charging and storage management platform can distribute and manage the output, utilization and storage of electric energy in other devices in the system.

[0041] In addition, the charging and storage management platform can also monitor various data within the system (such as data related to the output, utilization and storage of electric energy and the operating data of equipment, etc.), thereby facilitating subsequent statistics, analysis and decision-making based on these data.

[0042] For example, the user-side program can provide electric energy charging and storage services for electric devices based on the charging and storage management platform. Through the background data of the charging and storage management platform, the user-side program can provide reliable and convenient mobile charging and storage services for electric devices. In the present application, the user-side program can have a variety of different forms, such as APPs and applets in electric devices (smart home appliances, vehicle-mounted devices, etc.). Electric devices can find nearby available mobile charging and storage devices through the user-side program and initiate requests to charge the electric devices (such as electric vehicles when they are short of power) or reverse charge mobile charging and storage devices (such as electric vehicles when they have sufficient power).

[0043] The operation-side program can provide operation and maintenance services based on the charging and storage management platform. The operation-side program can provide the operation team with comprehensive power monitoring and management functions based on the data provided by the charging and storage management platform, so as to obtain the power status and operation status of the charging and storage equipment in the system, timely discover and handle faults, and better meet the charging and storage needs of power-consuming equipment.

[0044] It should be noted that Figure 1The architecture of the modular system for charging and storing electric energy in the embodiment is only exemplary and not restrictive. In actual cases, the modular system for charging and storing electric energy may have different architectures. Figure 1 The architecture has more modules, fewer modules, or different modules.

[0045] Figure 2 A framework diagram of a modular system 200 for charging and storing electric energy according to various aspects of the present application is shown.

[0046] according to Figure 2 The electric energy charging and storage modular system 200 shown may include a mobile charging and storage device 201, an energy gateway 202, a mobile connection device 203, a charging and storage management platform 204, and a fixed connection device 205, an operation end program 206, and a user end program 207. One or more of these modules may be directly or indirectly connected to each other on one or more buses 208.

[0047] The function of the mobile charging and storage device 201 is to store electric energy and perform mobile bidirectional charging and discharging.

[0048] In some embodiments, the mobile charging and storage device 201 also has the functions of: obtaining and storing electrical energy from the power grid; and / or obtaining and storing electrical energy from electrical equipment terminals.

[0049] The electric energy stored in the mobile charging and storage device can come from the power grid and / or the power consumption device terminal. For example, the mobile charging and storage device can be connected to the power grid via the mobile connection device and the energy gateway. Therefore, the power grid can provide electric energy to the mobile charging and storage device. In addition, if the power consumption device terminal has a reverse discharge function, the mobile charging and storage device can also obtain electric energy from the power consumption device terminal by connecting to the power consumption device terminal.

[0050] Although in Figure 2 It is described that the mobile charging and storage device obtains electric energy from the power grid and the power-consuming device terminal, but the present application is not limited thereto. In specific cases, the mobile charging and storage device can also obtain electric energy from any other suitable device with a discharge function.

[0051] In some embodiments, the mobile charging and storage device 201 also has the functions of: discharging the stored electric energy to the power grid; and / or charging the electric device terminal using the stored electric energy.

[0052] The electric energy stored in the mobile charging and storage device can be provided to the power grid and / or the power consumption device terminal. As described above, the mobile charging and storage device can be connected to the power grid via the mobile connection device and the energy gateway. Therefore, when the power supply on the power grid is insufficient (such as during peak hours), the mobile charging and storage device can discharge to the power grid. In addition, when the power consumption device terminal needs to be charged, the mobile charging and storage device can be connected to the power consumption device terminal to charge it.

[0053] Likewise, although Figure 2 It is described in the figure that the mobile charging and storage device provides power to the power grid and the power-consuming device, but the present application is not limited thereto. In specific cases, the mobile charging and storage device can also provide power to other suitable devices that need to be charged.

[0054] The function of the energy gateway 202 is to connect to the power grid and other devices in the modular system for charging and storing electric energy to achieve bidirectional charging and storage of electric energy.

[0055] In some embodiments, the energy gateway may connect the power grid to the fixed connection device to achieve bidirectional charging and storage of electric energy between the power grid and the fixed connection device.

[0056] In some embodiments, the energy gateway may connect the power grid to the mobile connection device to realize bidirectional charging and storage of electric energy between the power grid and the mobile connection device. Through the connection between the mobile connection device and the mobile charging and storage device, bidirectional charging and storage of electric energy between the power grid and the mobile charging and storage device may be further realized. For example, the mobile connection device 203 may be connected to the energy gateway 202 and the mobile charging and storage device 201 to realize bidirectional charging and storage of electric energy between the energy gateway 202 and the mobile charging and storage device 201.

[0057] In some embodiments, the mobile connection device 203 has a moving component and the moving component is movable within a certain range.

[0058] The mobile connection device needs to be connected to the mobile charging and storage device to achieve bidirectional charging and discharging. In order to better connect, the mobile connection device has a moving part, and the connection module (such as a charging interface) can be set as a moving part to move with the movement of the moving part.

[0059] In some embodiments, the mobile component is movable within a certain range (such as a certain area centered on the mobile connection device), so the mobile connection device can move within the specific range to connect with the mobile charging and storage device.

[0060] In some cases, the mobile component can be moved independently of other parts of the mobile connection device. Therefore, when the mobile connection device is connected to the mobile charging and storage device, it is not necessary to move the entire mobile connection device to the vicinity of the mobile charging and storage device (such as within a threshold distance), but only the mobile component of the mobile connection device (together with the connection module disposed thereon) needs to be moved to the vicinity of the mobile charging and storage device for connection. In this way, the flexibility of the connection is improved.

[0061] The function of the charging and storage management platform 204 is to allocate and manage the production, utilization and storage of electric energy in the mobile charging and storage device 201 , the energy gateway 202 and the mobile connection device 203 .

[0062] The charging and storage management platform 204 can detect the use of electric energy in the above-mentioned devices (such as output, utilization and storage), and allocate and manage it accordingly.

[0063] When the charging and storage management platform 204 finds that the electric energy stored in the mobile charging and storage device 201 is insufficient, the charging and storage management platform 204 can connect the mobile charging and storage device 201 with the mobile connection device 203 and the energy gateway 202 through electric energy distribution, so as to use the power grid to provide electric energy to the mobile charging and storage device. When the charging and storage management platform 204 finds that the electric energy stored in the mobile charging and storage device 201 is sufficient and the power supply of the power grid is insufficient, the charging and storage management platform 204 can discharge the mobile charging and storage device 201 to the power grid through electric energy distribution. In this way, the charging and storage management platform 204 can integrate and coordinate the electric energy in the system to achieve efficient utilization and optimization of electric energy use.

[0064] In some embodiments, the mobile charging and storage device 201 obtains electric energy from the power grid and discharges electric energy to the power grid via the energy source gateway 202 and the mobile connection device 203 .

[0065] Specifically, the mobile charging and storage device 201 can be connected to the energy gateway 202 through the mobile connection device 203, and the energy gateway 202 is connected to the power grid. Therefore, a power line is formed between the mobile charging and storage device 201 and the power grid. Through the power line, bidirectional electric energy charging and storage can be performed between the mobile charging and storage device and the power grid.

[0066] However, it should be noted that although the present application shows that the mobile charging and storage device is connected to the power grid via the mobile connection device and the energy gateway, this is exemplary and not restrictive. In actual situations, the mobile charging and storage device can also be directly connected to the energy gateway, and then connected to the power grid through the energy gateway. Figure 2 It is described that the charging and storage management platform 204 allocates and manages the output, utilization and storage of electric energy in the mobile charging and storage device 201, the energy gateway 202 and the mobile connection device 203, but the present application is not limited thereto. In actual situations, the charging and storage management platform 204 can also allocate and manage the output, utilization and storage of electric energy in other devices.

[0067] The functions of the fixed connection device 205 are: obtaining electric energy from the power grid and / or the power consumption equipment terminal; and discharging electric energy to the power grid and / or the power consumption equipment terminal.

[0068] Fixed connection devices can obtain electric energy from or discharge electric energy to electric energy user terminals by connecting to electric energy user terminals. In addition, by connecting to the energy gateway, fixed connection devices can obtain electric energy from or discharge electric energy to the power grid. Therefore, when the power supply of the power grid is insufficient (such as during peak hours of electricity consumption), the fixed connection device can provide the electric energy obtained from the electric energy user terminal to the power grid and discharge electric energy to the power grid. In addition, when the electric energy user terminal needs to be charged, the fixed connection device can be connected to the electric energy user terminal to provide the electric energy obtained from the power grid to the electric energy user terminal so as to charge the electric energy user terminal.

[0069] Different from the mobility of the mobile connection device 203, the fixed connection device 205 is placed at a fixed position and cannot be moved. When a device that needs to be charged (such as an electric car) needs to be moved to the vicinity of the fixed connection device for charging.

[0070] In some embodiments, the fixed connection device 205 obtains electrical energy from the grid and discharges electrical energy to the grid via the energy gateway 202 .

[0071] Specifically, the fixed connection device 205 can be connected to the power grid through the energy gateway 202. A power line is formed between the fixed connection device 205 and the power grid. Through the power line, bidirectional electric energy charging and storage can be performed between the fixed connection device and the power grid.

[0072] The function of the operation end program 206 is to provide monitoring and management for the operation of each charging and storage equipment in the system based on the charging and storage management platform 204.

[0073] Specifically, the operation end program 206 can provide the operation team with comprehensive power monitoring and management functions based on the background data provided by the charging and storage management platform 204. Through the operation end program 206, the operation team can understand the power status and operation status of the charging and storage equipment in the system, and timely discover and handle various faults, thereby optimizing the operation and maintenance process, ensuring the accurate allocation and efficient operation of the charging and storage equipment in the system, and improving the user experience.

[0074] The function of the user-side program 207 is to provide electric energy charging and storage services for electric devices based on the charging and storage management platform 204 .

[0075] Specifically, the user-side program 207 can provide a convenient and reliable mobile charging and storage experience for the power-consuming device based on the background data provided by the charging and storage management platform 204. For example, the power-consuming device can find the available charging and storage devices nearby and initiate a request through the user-side program 207 to charge the device or reversely charge the charging and storage device. Through the user-side program 207, the time for the power-consuming device to find the charging and storage device and wait can be reduced, energy consumption can be reduced, thereby achieving efficient power utilization, and using the power device to enjoy a fast charging and storage experience.

[0076] Although Figure 2 Specific modules of the modular system 200 for charging and storing electric energy are shown in FIG. 2 , but it should be noted that these modules are exemplary and non-restrictive. In different situations, one or more of these modules can be combined, split, and removed, or additional modules can be added. For example, in some cases, the mobile connection device 203 can be split into a movable part and a non-movable part (not shown in the figure).

[0077] Figure 3 A method 300 of utilizing a modular system for charging and storing electric energy to perform microgrid cycling according to various aspects of the present application is shown. Figure 4 To describe Figure 3 The microgrid cycle mode 300, wherein Figure 4 An exemplary decision process for storing and releasing electrical energy in a microgrid cycle mode according to various aspects of the present application is presented.

[0078] The microgrid cycle method 300 starts at step 301. At step 301, the power output and utilization status of each device in the microgrid is obtained to determine whether the power of each device is sufficient, wherein the microgrid adopts a modular system for charging and storing power.

[0079] A microgrid is a relatively small-scale, independently operated power system that has the ability to manage and control itself. Microgrids use a variety of distributed energy systems, such as solar energy, wind energy, and biomass energy. The diversity of energy systems enables microgrids to have high energy flexibility and reliability, and can adapt to the needs of different regions and environments.

[0080] Secondly, microgrids are usually equipped with storage devices, such as storage batteries, supercapacitors and other systems. The storage system can balance the time difference between energy supply and demand, realize energy storage and release, and improve the stability and reliability of the microgrid.

[0081] Microgrids can be connected to the main grid or operate independently to provide efficient, reliable and sustainable power supply. Through intelligent energy distribution management systems, microgrids can monitor and coordinate the output, utilization and storage of electric energy in real time. It can flexibly coordinate energy flow according to the operating status of the grid, power demand and energy supply to achieve energy balance and guarantee power supply. This autonomy enables microgrids to quickly respond to changes in power demand and fault conditions to ensure the reliability of power supply.

[0082] exist Figure 3 In the microgrid, a modular system of electric energy charging and storage can be used to obtain the power output and utilization status of each device in the microgrid to determine whether each device has sufficient power.

[0083] For some devices in the microgrid (such as mobile charging and storage devices, mobile connection devices, and fixed connection devices that are allocated and managed by the charging and storage management platform of the electric energy charging and storage modular system), the charging and storage management platform or other suitable monitoring modules can be used to actively monitor the power output and utilization status of these devices. In some cases, these devices can also report their own power output and utilization status to the charging and storage management platform or monitoring module.

[0084] Some other devices in the microgrid (such as electric vehicles, other power-consuming devices of users, etc.) may not be directly allocated and managed by the charging and storage management platform. At the same time, due to policy requirements or user privacy settings, it may not be possible to obtain the power output and utilization status of these devices through active monitoring by the charging and storage management platform. In these cases, these devices can feedback their own power status to the charging and storage management platform or other monitoring modules as needed. For example, when an electric vehicle finds that its remaining power is lower than a certain threshold, the electric vehicle can feedback its own insufficient power to the charging and storage management platform (without feedback on the specific remaining power) and initiate a charging request. When the remaining power of the electric vehicle is sufficient and it wants to discharge, the user's vehicle can inform the charging and storage management platform of its sufficient power and initiate a discharge request.

[0085] Therefore, the microgrid can know whether the power of each device is sufficient through the charging and storage management platform or other monitoring modules.

[0086] In step 302, electric energy is obtained from a device with sufficient electric energy and stored.

[0087] In some embodiments, if the microgrid determines that the remaining power of a device is greater than a certain threshold (such as a low threshold), it can be considered that the device has sufficient power. At this time, a certain amount of power can be obtained from the device and stored. If the remaining power of the device is lower than the threshold, no power is obtained from the device.

[0088] In some other embodiments, the device (such as an electric vehicle) may actively request to discharge. For example, the electric vehicle may monitor its own remaining power, and when its own remaining power is greater than a certain threshold, the electric vehicle may actively request to discharge. For example, the electric vehicle may send a discharge request message to the charging and storage management platform (or other suitable supervision module), and the charging and storage management platform may allocate after receiving the discharge request to obtain electrical energy from the device and store it in the electrical energy charging and storage device.

[0089] In step 303, the stored electric energy is used to supply power to an external load device.

[0090] In this application, external load equipment may refer to various equipment that utilizes electrical energy to work, including but not limited to other electrical equipment in the modular energy charging and storage system, electric vehicles, electrical equipment connected through the power grid, etc.

[0091] For example, when the remaining power of an electric vehicle is lower than a certain threshold, the electric vehicle can actively request charging. For example, the electric vehicle can send a charging request message to the charging and storage management platform (or other suitable management module), and the charging and storage management platform can distribute electric energy after receiving the charging request message, so as to use the stored electric energy (such as the electric energy stored in the mobile charging and storage device) to power the electric vehicle.

[0092] In some embodiments, obtaining and storing power from a device with sufficient power may include obtaining and storing power from a device with sufficient power when power usage is low. In these embodiments, using the stored power to power an external load device may include using the stored power to power an external load device when power usage is high.

[0093] Combination Figure 4 , the modular system for charging and storing electric energy can obtain the power consumption of the power grid. For example, the power grid can be directly or indirectly connected and communicated with the charging and storing management platform in the modular system for charging and storing electric energy to inform the power consumption of the power grid. Thus, the charging and storing management platform can obtain the real-time power consumption of the power grid.

[0094] If it is determined that the power consumption of the power grid is low (such as below a certain threshold), it can be considered that the power grid is in a low power consumption situation. At this time, the power load of the power grid is low, and the charging and storage management platform can allocate to obtain electricity from the power grid for storage.

[0095] If it is determined that the power consumption of the power grid is high (such as higher than a certain threshold), it can be considered that the power grid is in a high power consumption situation. At this time, the power load of the power grid is high. The charging and storage management platform can allocate to release the stored electric energy to the power grid, thereby replenishing the power grid to solve the problem of power supply shortage when the power consumption is high.

[0096] In some cases, fixed periods of low power consumption and high power consumption can be determined based on the daily power load of the power grid. Therefore, the charging and storage management platform can obtain and store power from the power grid during periods of low power consumption, and release the stored power to the power grid during periods of high power consumption.

[0097] It can store electricity when power consumption is low and release it (to external load equipment) when power consumption is high. It can store excess electricity when the power supply of the power grid is sufficient and release it when the power demand of the power grid is high, thereby balancing the load demand of the power system and improving energy utilization.

[0098] In some embodiments, obtaining electric energy from the electric energy storage device and storing it may include: obtaining electric energy from the electric energy storage device and storing it during off-peak hours. In such embodiments, using the stored electric energy to power the external load device may include: using the stored electric energy to power the external load device during peak and flat hours.

[0099] In actual situations, electricity prices may vary at different times. For example, the electricity price may be higher during a certain period of the day (such as peak and off-peak periods), while the electricity price may be lower during another period of the day (such as valley periods).

[0100] Combination Figure 4 The charging and storage management platform can make decisions related to the storage and release of electrical energy based on electricity prices.

[0101] If it is determined that the electricity price is low during the current time period (such as the off-peak period), the charging and storage management platform can allocate electricity to be obtained from the power grid for storage.

[0102] If it is determined that the electricity price is high during the current time period (such as peak and off-peak electricity periods), the charging and storage management platform can allocate to release the stored electrical energy.

[0103] In this way, the difference in electricity prices at different times can be used to make decisions on electricity storage and release, storing electricity when electricity prices are low and releasing electricity when electricity prices are high, thereby saving electricity costs and improving energy utilization.

[0104] But it should be noted that although Figure 4 The above shows that the decision of electric energy storage and release is made by the charging and storage management platform of the electric energy charging and storage modular system, but the present application is not limited to this. In actual situations, the decision of electric energy storage and release can be made by other suitable modules (such as other management modules in the electric energy charging and storage modular system).

[0105] In addition, although Figure 3 and Figure 4 It is shown that the decision of energy storage and energy release is made based on the electricity consumption and the tiered electricity price, but in actual situation, the energy storage and energy release can also be determined based on other factors.

[0106] from Figure 3 and Figure 4 It can be seen that the microgrid cycle can integrate and supervise the charging and storage between each device in the modular energy charging and storage system and the power grid, and effectively distribute and manage electric energy according to the energy supply and demand situation and actual electricity demand to ensure the reliability and stability of the power supply of the power grid.

[0107] Figure 5 A schematic diagram 500 of a virtual power plant cycle system according to aspects of the present application is shown.

[0108] Virtual power plant is an energy integration solution based on digital technology and intelligent energy management system. It realizes centralized control and coordinated management of energy by integrating distributed energy systems, power storage equipment and flexible loads. The purpose of virtual power plant is to improve energy utilization efficiency, optimize energy supply, and provide reliability and flexibility for power system.

[0109] In actual situations, each microgrid can correspond to a region, and the microgrid can manage the power supply in the corresponding region, and multiple regions can form a virtual power plant. Through the virtual power plant, energy distribution and demand response for multiple microgrids can be performed, which can further improve the energy management efficiency and reliability of the entire system.

[0110] As shown in the figure, the virtual power plant cycle system mainly includes a virtual power plant management platform and multiple (n) microgrids, each of which adopts a corresponding modular electric energy charging and storage system.

[0111] The function of the virtual power plant management platform is to manage the distribution and charging and storage of electric energy in each microgrid (or each modular electric energy charging and storage system).

[0112] For example, the virtual power plant circulation system can monitor the output and utilization of electricity in each microgrid through the virtual power plant management platform to achieve optimization and supply-demand balance of electricity among microgrids.

[0113] Through the management and monitoring of each microgrid, the virtual power plant circulation system can further integrate the electric energy in different areas and improve the efficiency of electric energy utilization. Through real-time data collection, forecasting analysis and automatic control in each microgrid, the virtual power plant circulation system can quickly respond to changes in the power market demand and power system in a larger range, and achieve energy optimization and efficient configuration.

[0114] Figure 6 A method 600 for performing power cycle using a virtual power plant cycle system according to various aspects of the present application is shown.

[0115] The method 600 starts at step 601. In step 601, the power generation and utilization status of each device in a plurality of microgrids is obtained to determine whether the power of each microgrid is sufficient for the devices in the microgrid.

[0116] For example, the power output and utilization of each device in multiple microgrids can be obtained through the virtual power plant management platform or other suitable monitoring modules in the virtual power plant circulation system. In some demonstrations, the microgrid can also actively feed back the power output and utilization of the devices in the microgrid to the virtual power plant management platform or other monitoring modules.

[0117] In some cases, the power generation and utilization of the entire microgrid can be obtained, such as the power generation and utilization of all devices in the microgrid (i.e., the total power generation and total power utilization of the entire microgrid). Similarly, the microgrid can feedback the power generation and utilization of all devices in the microgrid to the virtual power plant management platform or other monitoring modules.

[0118] In this way, the virtual power plant cycle system can determine whether the power of each microgrid is sufficient for the devices in the microgrid.

[0119] In step 602, a power shortage warning is received from a microgrid among the plurality of microgrids, wherein the power shortage warning indicates that the microgrid has insufficient power.

[0120] In a specific case, when the electric energy of the microgrid meets the set condition, it can be considered that the electric energy of the microgrid is insufficient. When the electric energy of the microgrid does not meet the set condition, it can be considered that the electric energy of the microgrid is not insufficient.

[0121] If the remaining power of the microgrid is less than a certain threshold, and the power output of the microgrid is less than the power used, it can be considered that the microgrid is short of power. At this time, the microgrid can send a power shortage warning to the virtual power plant circulation system (such as the virtual power plant management platform of the virtual power plant circulation system or other suitable supervision modules) to warn the microgrid of insufficient power. When the remaining power of the microgrid is greater than a certain threshold, or the remaining power of the microgrid is less than a certain threshold but the power output of the microgrid is greater than the power used, the microgrid may not send a power shortage warning.

[0122] However, it should be noted that the above-mentioned conditions are only for demonstration. In specific situations, those skilled in the art can set different conditions according to the needs to determine whether the power of the microgrid is sufficient.

[0123] In step 603 , electric energy is distributed from the microgrid with sufficient electric energy to the microgrid with insufficient electric energy based on the power shortage warning.

[0124] In response to receiving a power shortage warning from each microgrid, the virtual power plant cycle system can distribute power to distribute power from other microgrids with sufficient power to the microgrid with insufficient power (i.e., sending a power shortage warning).

[0125] Specifically, the virtual power plant cycle system can determine the remaining power of other microgrids. In some embodiments, if the remaining power of a microgrid is greater than a certain threshold, it can be considered that the power of the microgrid is sufficient.

[0126] In some cases, the virtual power plant cycle system can select a microgrid (such as a microgrid with the largest amount of surplus power) from multiple microgrids with sufficient power, and distribute power from the microgrid to microgrids with insufficient power.

[0127] In other cases, the virtual power plant cycle system can select one or more microgrids from multiple microgrids with sufficient power and distribute power from the selected microgrids to microgrids with insufficient power, thereby distributing the distributed power to multiple microgrids and reducing the negative impact on a single microgrid.

[0128] The technical solution of the present application realizes the intelligent distribution and optimization of electric energy by obtaining the electric energy output, utilization and storage of each module in the modular electric energy charging and storage system. At the same time, the bidirectional electric energy charging and storage mechanism in the modular electric energy charging and storage system enables electric devices such as electric vehicles to obtain electric energy from the power grid and feed electric energy back to the power grid, thereby improving the sustainability and flexibility of energy. In addition, mobile charging and storage equipment and mobile connection equipment expand the area of ​​charging and storage services, thereby meeting the needs of electric energy charging and storage in a wider range. Microgrid cycle and virtual power plant cycle use modular electric energy charging and storage systems to integrate and supervise the distribution and charging of electric energy within a single microgrid and multiple microgrids, and effectively distribute and manage electric energy according to energy supply and demand and actual electricity demand to ensure the reliability and stability of power supply.

[0129] The detailed description described above in conjunction with the accompanying drawings describes exemplary embodiments and does not represent all exemplary embodiments that can be implemented or fall within the scope of the claims. The terms "exemplary" and "exemplary" are used in this specification to refer to "exemplary, example or illustration" and do not mean "superior to other exemplary embodiments".

[0130] Reference throughout this specification to "one embodiment" means that a particular feature or structure described in conjunction with that embodiment is included in at least one embodiment of the present application. Thus, the use of these phrases may refer to more than one embodiment. Furthermore, the described features or structures may be combined in any suitable manner in one or more embodiments.

[0131] The previous description is provided to enable any person skilled in the art to practice the various aspects described herein. Various modifications to these aspects will be more easily understood by those skilled in the art, and the universal principles defined in this article can be applied to other aspects. Therefore, the claims are not intended to be limited to the aspects shown in this article, but should be granted the full scope consistent with the claims in language, wherein the singular reference to the elements is not intended to mean "there is and only one", but "one or more", unless otherwise stated. Unless otherwise stated, the term "some" refers to one or more. The elements of the various aspects described throughout this application are all structural and functional equivalents currently or hereafter known to those of ordinary skill in the art, and are expressly incorporated herein by reference, and are intended to be covered by the claims.

[0132] It should also be noted that these embodiments may be described as processes depicted as flow charts, structure diagrams, or framework diagrams. Although flow charts may describe the operations as sequential processes, many of these operations can be performed in parallel or concurrently. In addition, the order of these operations can be rearranged.

[0133] Although various embodiments have been illustrated and described, it should be understood that the embodiments are not limited to the precise configuration and components described above. Various modifications, substitutions and improvements obvious to those skilled in the art can be made in the arrangement, operation and details of the devices disclosed herein without departing from the scope of the claims.

Claims

1. A modular electric energy charging and storage system, comprising: Mobile charging and storage equipment, which can store electric energy and perform mobile bidirectional charging and discharging; An energy gateway, which is used to connect to the power grid and other devices in the system to achieve bidirectional charging and storage of electric energy; A mobile connection device, which can be connected to the energy gateway and the mobile charging and storage device to achieve bidirectional charging and storage of electric energy between the energy gateway and the mobile charging and storage device; The charging and storage management platform is used to manage the electric energy in the mobile charging and storage equipment and the energy grid. The output, utilization and storage in the mobile connected devices are distributed and managed.

2. The system according to claim 1, wherein: The mobile charging and storage device also has the functions of: obtaining and storing electrical energy from the power grid; and / or obtaining and storing electrical energy from electrical equipment terminals.

3. The system according to claim 1, wherein: The mobile charging and storage device also has the functions of: discharging the stored electric energy to the power grid; and / or charging the electric device terminal with the stored electric energy.

4. The system according to any one of claims 1 to 3, wherein: The mobile charging and storage device obtains electric energy from the power grid and discharges electric energy to the power grid via the energy gateway and the mobile connection device.

5. The system according to claim 1 further comprises a fixed connection device, the function of which is to: obtain electrical energy from the power grid and / or the power-consuming device terminal; and discharge electrical energy to the power grid and / or the power-consuming device terminal.

6. The system according to claim 5, wherein: The fixed connection device obtains electrical energy from the power grid and discharges electrical energy to the power grid via the energy gateway.

7. The system according to claim 1 further comprises an operation-end program, the function of which is to provide monitoring and management for the operation of each charging and storage equipment in the system based on the charging and storage management platform.

8. The system according to claim 1 further comprises a power-user program, the function of which is to provide power charging and storage services for power-consuming equipment based on the charging and storage management platform.

9. The system according to claim 1, wherein: The mobile accessory of the mobile connection device can be moved within a specific range.

10. A method for performing microgrid circulation using the modular electric energy charging and storage system according to any one of claims 1 to 9, comprising: Obtaining the power output and utilization of each device in the microgrid to determine whether the power of each device is sufficient, wherein the microgrid adopts the power charging and storage modular system; Obtain and store electrical energy from devices with sufficient electrical energy; use the stored electrical energy to power external load devices.

11. The method according to claim 10, further comprising: During off-peak hours, electricity is obtained from devices with sufficient electricity and stored; And during peak and flat power periods, the stored electric energy is used to power external load equipment.

12. The method according to claim 10, further comprising: Obtain and store electricity from devices with sufficient electricity during periods of low electricity prices; And in the period when the electricity price is higher, the stored electric energy is used to power the external load equipment.

13. A virtual power plant cycle system, comprising: A plurality of modular electric energy charging and storage systems according to any one of claims 1 to 9; And a management platform for a virtual power plant, the function of the virtual power plant management platform is to manage the flow and distribution of electric energy in each electric energy charging and storage modular system.

14. A method for circulating electric energy using the virtual power plant circulation system of claim 13, comprising: Obtain the power output and utilization of each device in multiple microgrids to determine whether the power of each microgrid is sufficient for the devices in its microgrid; A power shortage warning is received from one of the plurality of microgrids, the power shortage warning indicating that the microgrid has insufficient power; and power is moved from the microgrid with sufficient power to the microgrid with insufficient power based on the power shortage warning.

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