Energy Internet system, energy supply control method and device

Abstract

The present disclosure relates to an energy internet system, an energy supply control method and device, and a computer-readable storage medium. The energy internet system includes: a first regional energy router for connecting to a power grid; a second regional energy router with a first energy storage battery, the first energy storage battery is in a state of simultaneous charging and discharging or discharging when working; multiple household energy supply subsystems in parallel, each household energy supply subsystem includes: a main circuit bus, the two ends of which are respectively connected to the first regional energy router and the second regional energy router, including a first node for connecting to an energy storage device and a second node for connecting to an electrical device; a household energy router with a second energy storage battery, which is arranged on the main circuit bus, and the second energy storage battery is in a state of simultaneous charging and discharging or discharging when working; a redundant circuit bus, the two ends of which are respectively connected to the second regional energy router and the first node, and the redundant circuit bus includes a third node connected to the household energy router.

Description

Technical Field

[0001] The present disclosure relates to the technical field of energy internet, and in particular to an energy internet system, an energy supply control method and device, and a computer-readable storage medium. Background Art

[0002] As the core device in the energy internet architecture, energy routers mainly have the functions of energy conversion and energy distribution. The realization of energy routers is inseparable from the progress of power electronics technology and the development of large-scale energy storage technology.

[0003] An energy Internet system known to the inventor of the present disclosure has technical problems of slow response speed and poor stability when power supply fluctuates. Summary of the invention

[0004] The embodiments of the present disclosure provide an energy Internet system, an energy supply control method and device, and a computer-readable storage medium to solve the technical problems in the related art of slow system response speed and poor working stability when power supply fluctuates.

[0005] According to one aspect of an embodiment of the present disclosure, there is provided an energy internet system, including:

[0006] the first regional energy router for connecting to the grid;

[0007] A second regional energy router having a first energy storage battery, wherein the first energy storage battery is in a simultaneous charging and discharging state or a discharging state during operation;

[0008] Multiple household energy supply subsystems are arranged in parallel, each household energy supply subsystem comprising:

[0009] A main circuit bus, with two ends respectively connected to a first regional energy router and a second regional energy router, including a first node for connecting to an energy storage device and a second node for connecting to an electrical device;

[0010] A household energy router with a second energy storage battery is arranged on the main circuit bus, and the second energy storage battery is in a simultaneous charging and discharging state or a discharging state during operation;

[0011] The redundant circuit bus has two ends respectively connected to the second regional energy router and the first node. The redundant circuit bus includes a third node, and the third node is connected to the household energy router.

[0012] In some embodiments, the charging source of the first energy storage battery is a main circuit bus or a redundant circuit bus, and the discharging direction of the first energy storage battery includes the redundant circuit bus;

[0013] The charging source of the second energy storage battery is the main circuit bus or the redundant circuit bus, and the discharging direction of the second energy storage battery includes the redundant circuit bus;

[0014] The charging source of the energy storage device is the main circuit bus, and the discharging direction of the energy storage device includes the main circuit bus and the redundant circuit bus.

[0015] In some embodiments, when the household energy router receives a power supply signal from the main circuit bus and any one of the first regional energy routers and determines that the power supply of the power grid meets the standard requirements of the regional power load, it controls the second energy storage battery to draw power from the main circuit bus for charging;

[0016] When the household energy router receives a power supply signal from the main circuit bus and any one of the first regional energy routers and determines that the power supply of the power grid does not meet the standard requirements of the regional power load, it controls the second energy storage battery to charge from the main circuit bus, and shuts down at least one power device connected to the main circuit bus according to the power supply priority of the power device connected to the main circuit bus;

[0017] When the household energy router does not receive a power supply signal from the main circuit bus and any of the first regional energy routers, it controls the energy storage device to supply power to the main circuit bus and the redundant circuit bus, and controls the second energy storage battery to draw power from the redundant circuit bus for charging, wherein the priority of the energy storage device supplying power to the redundant circuit bus is higher than the priority of supplying power to the main circuit bus.

[0018] In some embodiments, the grid power supply signal carries information on a determination result regarding whether the grid power supply meets the standard power load requirements of the region.

[0019] In some embodiments, the household energy router determines whether the energy supply of the power grid meets the standard requirements of the regional power load based on the current value of the total circuit bus and the standard current range.

[0020] In some embodiments, when the second regional energy router receives a power grid energy supply signal from either the main circuit bus or the first regional energy router, it controls the first energy storage battery to draw power from the main circuit bus for charging;

[0021] When the second regional energy router does not receive a power grid energy supply signal from the main circuit bus and any of the first regional energy routers and determines that at least one energy storage device is in a discharging state, the second regional energy router controls the first energy storage battery to draw power from the redundant circuit bus for charging;

[0022] When the second regional energy router does not receive a grid power supply signal from the main circuit bus and any of the first regional energy routers, and determines that each energy storage device is not in a discharging state, it controls the first energy storage battery and each second energy storage battery to share electrical energy through the redundant circuit bus in accordance with the energy sharing and allocation rules.

[0023] In some embodiments, the main circuit bus also includes a fourth node for connecting a power generation device, and the electric energy generated by the power generation device is transmitted to the energy storage device through the main circuit bus.

[0024] In some embodiments, the energy storage device operates in a charging state or a discharging state.

[0025] In some embodiments, the energy internet system further includes:

[0026] The converter is arranged on the main circuit bus, and the converter and the household energy router are independent physical entities, or the converter is integrated in the household energy router.

[0027] In some embodiments, the first energy storage power source is a lithium battery or a nickel-metal hydride battery; the second energy storage power source is a lithium battery or a nickel-metal hydride battery; and the energy storage battery is a storage battery.

[0028] According to another aspect of the embodiment of the present disclosure, an energy supply control method is provided, which is applied to the aforementioned energy Internet system. The energy supply control method includes:

[0029] When receiving a power supply signal from either the main circuit bus or the first regional energy router, and determining that the power supply of the power grid meets the standard requirements of the regional power load, the household energy router controls the second energy storage battery to draw power from the main circuit bus for charging;

[0030] When receiving a power supply signal from either the main circuit bus or the first regional energy router, and determining that the power supply of the power grid does not meet the standard requirements of the regional power load, the household energy router controls the second energy storage battery to charge from the main circuit bus, and shuts down at least one power device connected to the main circuit bus according to the power supply priority of the power device connected to the main circuit bus;

[0031] When no grid power supply signal is received from the main circuit bus and the first regional energy router, the household energy router controls the energy storage device to supply power to the main circuit bus and the redundant circuit bus, and controls the second energy storage battery to draw power from the redundant circuit bus for charging, wherein the priority of the energy storage device supplying power to the redundant circuit bus is higher than the priority of supplying power to the main circuit bus.

[0032] According to another aspect of the embodiments of the present disclosure, there is provided an energy supply control device, which is applied to the aforementioned energy internet system, and the energy supply control device includes:

[0033] The first control unit is used to control the second energy storage battery to draw power from the main circuit bus for charging when receiving a power supply signal from any one of the main circuit bus and the first regional energy router and determining that the power supply of the power grid meets the standard requirements of the regional power load;

[0034] The second control unit is used to control the second energy storage battery to charge from the main circuit bus when receiving a power supply signal from any one of the main circuit bus and the first regional energy router and determining that the power supply of the power grid does not meet the standard requirements of the regional power load, and shut down at least one power device connected to the main circuit bus according to the power supply priority of the power device connected to the main circuit bus;

[0035] The third control unit is used to control the energy storage device to supply power to the main circuit bus and the redundant circuit bus, and control the second energy storage battery to charge from the redundant circuit bus when no power grid power supply signal is received from the main circuit bus and the first regional energy router, wherein the priority of the energy storage device supplying power to the redundant circuit bus is higher than the priority of supplying power to the main circuit bus.

[0036] According to another aspect of the embodiments of the present disclosure, an energy supply control method is provided, which is applied to the aforementioned energy Internet system. The energy supply control method includes:

[0037] When receiving a power grid energy supply signal from either the main circuit bus or the first regional energy router, the second regional energy router controls the first energy storage battery to draw power from the main circuit bus for charging;

[0038] When no grid energy supply signal is received from the main circuit bus and any one of the first regional energy routers, and it is determined that at least one energy storage device is in a discharging state, the second regional energy router controls the first energy storage battery to draw power from the redundant circuit bus for charging;

[0039] When no grid power supply signal is received from the main circuit bus and any of the first regional energy routers, and it is determined that each energy storage device is not in a discharging state, the second regional energy router controls the first energy storage battery and each second energy storage battery to share electrical energy through the redundant circuit bus according to the energy sharing allocation rules.

[0040] According to another aspect of the embodiments of the present disclosure, there is provided an energy supply control device, which is applied to the aforementioned energy internet system. The energy supply control device includes:

[0041] A fourth control unit is used to control the first energy storage battery to charge from the main circuit bus when receiving a power supply signal from any one of the main circuit bus and the first regional energy router;

[0042] a fifth control unit, configured to control the first energy storage battery to charge from the redundant circuit bus when no power grid power supply signal is received from any of the main circuit bus and the first regional energy router and when it is determined that at least one energy storage device is in a discharging state;

[0043] The sixth control unit is used to control the first energy storage battery and each second energy storage battery to share electric energy through the redundant circuit bus according to the energy sharing allocation rule when no grid power supply signal is received from the main circuit bus and any of the first regional energy routers and it is determined that each energy storage device is not in a discharging state.

[0044] According to another aspect of the embodiments of the present disclosure, there is provided an energy supply control device, comprising: a memory; and a processor coupled to the memory, wherein the processor is configured to execute the aforementioned energy supply control method based on instructions stored in the memory.

[0045] According to another aspect of the embodiments of the present disclosure, there is provided a computer-readable storage medium having a computer program stored thereon, which implements the aforementioned energy supply control method when executed by a processor.

[0046] By adopting the technical solutions of the aforementioned embodiments of the present disclosure, the response speed of the energy Internet system when power supply fluctuates can be improved, and the working stability of the system can be improved.

[0047] Other features and advantages of the present disclosure will become apparent from the following detailed description of embodiments of the present disclosure with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0048] The accompanying drawings, which constitute a part of the specification, illustrate embodiments of the present disclosure and, together with the description, serve to explain the principles of the present disclosure.

[0049] The present disclosure may be more clearly understood from the following detailed description with reference to the accompanying drawings, in which:

[0050] Figure 1 A schematic diagram of the working situation of the energy internet system according to an embodiment of the present disclosure;

[0051] Figure 2 This is a schematic diagram of a second working situation of the energy internet system according to an embodiment of the present disclosure;

[0052] Figure 3 This is a third schematic diagram of the working situation of the energy internet system according to an embodiment of the present disclosure;

[0053] Figure 4 This is a fourth schematic diagram of the working situation of the energy internet system according to an embodiment of the present disclosure;

[0054] Figure 5It is a flowchart of an energy supply control method according to an embodiment of the present disclosure;

[0055] Figure 6 It is a flowchart of an energy supply control method according to another embodiment of the present disclosure;

[0056] Figure 7 is a block diagram of an energy supply control device according to an embodiment of the present disclosure;

[0057] Figure 8 is a block diagram of an energy supply control device according to another embodiment of the present disclosure;

[0058] Fig. 9 It is a block diagram of an energy supply control device according to another embodiment of the present disclosure;

[0059] Fig.10 A block diagram of a computer system according to an embodiment of the present disclosure.

[0060] It should be understood that the size of each part shown in the accompanying drawings is not drawn according to the actual proportional relationship. In addition, the same or similar reference numerals represent the same or similar components. DETAILED DESCRIPTION

[0061] Various exemplary embodiments of the present disclosure will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is merely illustrative and is in no way intended to limit the present disclosure and its application or use. The present disclosure can be implemented in many different forms and is not limited to the embodiments described herein. These embodiments are provided to make the present disclosure thorough and complete and to fully express the scope of the present disclosure to those skilled in the art. It should be noted that unless otherwise specifically stated, the relative arrangement of the components and steps described in these embodiments should be interpreted as being merely exemplary and not as a limitation.

[0062] All terms (including technical terms or scientific terms) used in the present disclosure have the same meanings as those understood by ordinary technicians in the field to which the present disclosure belongs, unless otherwise specifically defined. It should also be understood that terms defined in general dictionaries, such as general dictionaries, should be interpreted as having meanings consistent with their meanings in the context of the relevant technology, and should not be interpreted in an idealized or extremely formal sense, unless explicitly defined herein.

[0063] Technologies, methods, and equipment known to ordinary technicians in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods, and equipment should be considered as part of the specification.

[0064] An energy Internet system known to the inventor of the present disclosure has technical problems of slow response speed and poor stability when power supply fluctuates. Once the power supply of the energy router is interrupted, the system is likely to be paralyzed.

[0065] To this end, the embodiments of the present disclosure provide an energy internet system, an energy supply control method and device, and a computer-readable storage medium, which can improve the response speed of the energy internet system when power supply fluctuates and improve the working stability of the system. In the embodiments of the present disclosure, connection refers to electrical connection, which can be direct electrical connection or indirect electrical connection.

[0066] like Figures 1 to 4 As shown, the energy internet system provided by some embodiments of the present disclosure includes:

[0067] A first regional energy router 1 for connecting to a power grid;

[0068] A second regional energy router 2 having a first energy storage battery 20, wherein the first energy storage battery 20 is in a simultaneous charging and discharging state or a discharging state during operation;

[0069] Multiple household energy supply subsystems are arranged in parallel, each household energy supply subsystem comprising:

[0070] The main circuit bus 3 has two ends respectively connected to the first regional energy router 1 and the second regional energy router 2. The main circuit bus 3 includes a first node 91 and a second node 92. The first node 91 is used to connect the energy storage device 60, and the second node 92 is used to connect the power consumption device 4.

[0071] The household energy router 5 with the second energy storage battery 50 is arranged on the main circuit bus 3. When working, the second energy storage battery 50 is in a simultaneous charging and discharging state or a discharging state;

[0072] The redundant circuit bus 8 has two ends connected to the second regional energy router 2 and the first node 91 respectively. The redundant circuit bus 8 includes a third node 93 , and the third node 93 is connected to the household energy router 5 .

[0073] The energy router is the core device of the energy internet, and has functions such as energy conversion, intelligent energy distribution and dispatching, energy control, equipment control, information collection and routing, etc. In the disclosed embodiment, the second regional energy router 2 and the household energy router 5 also have the functions of energy storage and energy storage sharing.

[0074] Since the electric energy outputted by the power grid such as the mains is generally alternating current, in some embodiments of the present disclosure, an inverter 7 is also provided on the main circuit bus 3 to convert alternating current (AC) into direct current (DC), i.e., to perform AC / DC conversion. The inverter 7 and the household energy router 5 may be independent physical entities, and the inverter 7 may also be integrated into the household energy router 5.

[0075] The number of second nodes 92 on the main circuit bus 3 is not limited, and can be one or more. Each second node 92 can be connected to one or more electrical devices 4. The electrical device 4 can be a DC electrical device, such as a DC washing machine, a DC refrigerator, a DC water dispenser, or a DC rice cooker. The electrical device 4 can also be an AC electrical device, such as an air conditioner, an electric water heater, a microwave oven, or a range hood. An inverter is usually provided inside the electrical device to convert and adjust the voltage, frequency, phase number or other electrical characteristics of the power supply accordingly.

[0076] In the embodiment of the present disclosure, the energy storage device 60 is, for example, a storage battery, which is in a charging state or a discharging state when working. That is, the energy storage device 60 is either in a charging state or in a discharging state when working. The charging source of the energy storage device 60 is the main circuit bus 3, and the discharging direction of the energy storage device 60 includes the main circuit bus 3 and the redundant circuit bus 8.

[0077] In the disclosed embodiment, the first energy storage battery 20 is, for example, a lithium battery or a nickel-metal hydride battery, which is in a simultaneous charging and discharging state or a discharging state when working. The charging source of the first energy storage battery 20 is the main circuit bus 3 or the redundant circuit bus 8, and the discharging direction of the first energy storage battery 20 includes the redundant circuit bus 8. That is, when the main circuit bus 3 or the redundant circuit bus 8 is supplied with power, the first energy storage battery 20 is discharging while charging to supply the electronic components of the second regional energy router 2. When neither the main circuit bus 3 nor the redundant circuit bus 8 is supplied with power, the first energy storage battery 20 can discharge through the redundant circuit bus 8 while ensuring the basic power required by the second regional energy router 2, and share the power with the second energy storage battery 50 of the household energy router 5 which is short of power.

[0078] Similarly, the second energy storage battery 50 is, for example, a lithium battery or a nickel-metal hydride battery, which is in a simultaneous charging and discharging state or in a discharging state when working. The charging source of the second energy storage battery 50 is the main circuit bus 3 or the redundant circuit bus 8, and the discharging direction of the second energy storage battery 50 includes the redundant circuit bus 8. That is, when the main circuit bus 3 or the redundant circuit bus 8 is supplied with power, the second energy storage battery 50 is discharging while charging to supply the electronic components of the household energy router 5. When neither the main circuit bus 3 nor the redundant circuit bus 8 is supplied with power, the second energy storage battery 50 can discharge through the redundant circuit bus 8 while ensuring the basic power required by the household energy router 5, and share the power with the second energy storage battery 50 of other household energy routers 5 that are short of power or the first energy storage battery 20 of the second regional energy router 2.

[0079] like Figure 1As shown, in some embodiments of the present disclosure, when the household energy router 5 detects the grid energy supply signal sent by either the main circuit bus 3 or the first regional energy router 1, and determines that the grid energy supply meets the regional power load standard requirements, it controls the second energy storage battery 50 to draw power from the main circuit bus 3 for charging. When the second regional energy router 2 detects the grid energy supply signal sent by either the main circuit bus 3 or the first regional energy router 1, it controls the first energy storage battery 20 to draw power from the main circuit bus 3 for charging. That is, when the grid energy supply is sufficient and sufficient for the normal use of the electrical equipment 4 of each household in the area, the second energy storage battery 50 and the first energy storage battery 20 draw power from the main circuit bus 3 for charging. At this time, the first energy storage battery 20 is charged and the second energy storage battery 50 is working in a simultaneous charging and discharging state.

[0080] like Figure 2 As shown, in some embodiments of the present disclosure, when the household energy router 5 detects the grid energy supply signal sent by any one of the main circuit bus 3 and the first regional energy router 1, and determines that the grid energy supply does not meet the regional power load standard requirements, it controls the second energy storage battery 50 to draw power from the main circuit bus 3 for charging, and shuts down at least one power device 4 connected to the main circuit bus 3 according to the power supply priority of the power device 4 connected to the main circuit bus 3. In this case, the second regional energy router 2 can still detect the grid energy supply signal sent by any one of the main circuit bus 3 and the first regional energy router 1, and therefore, it still controls the first energy storage battery 20 to draw power from the main circuit bus 3 for charging. That is, when the grid energy supply is tight and only part of the power devices 4 connected to the main circuit bus 3 are used normally, the second energy storage battery 50 and the first energy storage battery 20 draw power from the main circuit bus 3 for charging, and both work in a simultaneous charging and discharging state. At the same time, the household energy router 5 selectively shuts down some power devices 4 according to the power supply priority. For example, in one embodiment, the electrical equipment connected to the main circuit bus 3 includes lighting fixtures and refrigerators in the first power supply priority, and electric water heaters and air conditioners in the second power supply priority. When the power supply of the power grid does not meet the standard power load requirements of the area, the household energy router 5 will give priority to shutting down the electric water heaters and air conditioners in the second power supply priority to ensure power supply to the lighting fixtures and refrigerators in the first power supply priority.

[0081] The grid energy supply signal sent by the total circuit bus 3 or the first regional energy router 1 may carry information on the judgment result of whether the grid energy supply meets the standard requirements of the regional power load. After receiving the grid energy supply signal, the household energy router 5 can directly determine whether the grid energy supply meets the standard requirements of the regional power load based on this information. In addition, the household energy router 5 can also compare the current value of the total circuit bus 3 with the standard current range to determine whether the grid energy supply meets the standard requirements of the regional power load. For example, when the current value of the circuit bus is within the standard current range, it can be judged that the regional power load is normal and the power supply of the grid is normal; when the current value of the circuit bus is lower than the standard current range, it can be judged that the regional power load is too heavy, resulting in a tight power supply.

[0082] like Figure 3 As shown, when the household energy router 5 does not detect the grid power supply signal sent by either the main circuit bus 3 or the first regional energy router 1, it controls the energy storage device 60 to supply power to the main circuit bus 3 and the redundant circuit bus 8, and controls the second energy storage battery 50 to draw power from the redundant circuit bus 8 for charging, wherein the priority of the energy storage device 60 to supply power to the redundant circuit bus 8 is higher than the priority of supplying power to the main circuit bus 3. When the second regional energy router 2 does not detect the grid power supply signal sent by either the main circuit bus 3 or the first regional energy router 1, and determines that at least one energy storage device 60 is in a discharging state, it controls the first energy storage battery 20 to draw power from the redundant circuit bus 8 for charging, at which time, the first energy storage battery 20 is charged and the second energy storage battery 50 is operated in a simultaneous charging and discharging state.

[0083] like Figure 4 As shown, when the second regional energy router 2 does not detect the grid energy supply signal sent by any of the main circuit bus 3 and the first regional energy router 1 and determines that each energy storage device 60 is not in a discharging state, it controls the first energy storage battery 20 and each second energy storage battery 50 to share electric energy through the redundant circuit bus 8 according to the energy sharing allocation rule. At this time, the energy storage battery sharing electric energy works in a discharging state, and the energy storage battery receiving electric energy works in a simultaneous charging and discharging state.

[0084] After the power supply of the power grid is interrupted, the energy storage device 60 provides power to the household energy router 5 and the second regional energy router 2, and it is necessary to ensure the power supply requirements of the household energy router 5 and the second regional energy router 2 to ensure that the control system can work normally. Therefore, the priority of the energy storage device 60 to supply power to the redundant circuit bus 8 is higher than the priority of supplying power to the main circuit bus 3. While the energy storage device 60 meets the power supply requirements of the household energy router 5 and the second regional energy router 2, the remaining power can be supplied to the power-consuming device 4 through the main circuit bus 3. When there is no power supply from the power grid and the power of each energy storage device 60 is exhausted, the second regional energy router 2 can control the first energy storage battery 20 and each second energy storage battery 50 to share power through the redundant circuit bus 8 according to the energy sharing allocation rule to ensure the power supply of the control system. For example, the first energy storage battery 20 and each second energy storage battery 50 are controlled to share power through the redundant circuit bus, so that the remaining use time of the first energy storage battery 20 and each second energy storage battery 50 is basically the same.

[0085] The energy Internet system of the disclosed embodiment can still guarantee the power supply demand for household energy routers and second-area energy routers when the power grid is under supply pressure or even out of power, thereby ensuring the power supply to the control system, thereby significantly improving the stability and response speed of the energy Internet system.

[0086] like Figure 1 As shown, in some embodiments of the present disclosure, the main circuit bus 3 of the household energy supply subsystem also includes a fourth node 94 for connecting the power generation equipment 6, and the electric energy generated by the power generation equipment 6 is transmitted to the energy storage device 60 for storage through the main circuit bus 3. The specific type of the power generation equipment 6 is not limited, for example, it is a solar power generation equipment or a wind power generation equipment. The power generation equipment can not only save part of the electricity cost for the user when the power grid has power supply, but also continue to supplement the power for the system when the power grid power supply is interrupted, thereby further ensuring the power supply demand for the household energy router and the second regional energy router, so that the stability and response speed of the system operation are further improved.

[0087] In some embodiments of the present disclosure, at least one power-consuming device 4 connected to the main circuit bus 3 is a smart power-consuming device. The smart power-consuming device can not only respond to the control instructions of the household energy router 5, such as the start and stop instructions, but also can perform autonomous switch adjustment according to the power supply of the main circuit bus 3, thereby further improving the stability and response speed of the energy Internet system.

[0088] like Figure 5 As shown, the embodiment of the present disclosure also provides an energy supply control method, which is applied to Figures 1 to 4In the energy Internet system of the illustrated embodiment, the energy supply control method includes the following steps S501 to S505.

[0089] In step S501, the household energy router detects whether it has received a grid energy supply signal sent by any of the main circuit bus and the first regional energy router. If so, the process proceeds to step S502, otherwise, the process proceeds to step S505.

[0090] In step S502, the household energy router determines whether the energy supply of the power grid meets the standard requirements of the regional power load. If yes, the process proceeds to step S503, otherwise, the process proceeds to step S504.

[0091] In step S503, the household energy router controls the second energy storage battery to draw power from the main circuit bus to charge.

[0092] In step S504, the household energy router controls the second energy storage battery to draw power from the main circuit bus for charging, and shuts down at least one power consumption device connected to the main circuit bus according to the power supply priority of the power consumption devices connected to the main circuit bus.

[0093] In step S505, the household energy router controls the energy storage device to supply power to the main circuit bus and the redundant circuit bus, and controls the second energy storage battery to charge from the redundant circuit bus, wherein the priority of the energy storage device supplying power to the redundant circuit bus is higher than the priority of supplying power to the main circuit bus.

[0094] like Figure 6 As shown, the embodiment of the present disclosure also provides an energy supply control method, which is applied to Figures 1 to 4 In the energy Internet system of the illustrated embodiment, the energy supply control method includes the following steps S601 to S605.

[0095] In step S601, the second regional energy router detects whether it receives a grid energy supply signal sent by either the main circuit bus or the first regional energy router. If so, the process proceeds to step S605, otherwise, the process proceeds to step S602.

[0096] In step S602, the second regional energy router determines whether at least one energy storage device is in a discharging state. If yes, the process proceeds to step S604, otherwise, the process proceeds to step S603.

[0097] In step S603, the second regional energy router controls the first energy storage battery and each second energy storage battery to share electric energy through the redundant circuit bus according to the energy sharing allocation rule.

[0098] In step S604, the second regional energy router controls the first energy storage battery to draw power from the redundant circuit bus for charging.

[0099] In step S605, the second regional energy router controls the first energy storage battery to draw power from the main circuit bus for charging.

[0100] like Figure 7 As shown, the embodiment of the present disclosure also provides an energy supply control device, which is applied to Figures 1 to 4 In the energy internet system of the illustrated embodiment, the energy supply control device includes:

[0101] The first control unit 71 is used to control the second energy storage battery to charge from the main circuit bus when receiving a power supply signal from any one of the main circuit bus and the first regional energy router and determining that the power supply of the power grid meets the power load standard requirements of the region;

[0102] The second control unit 72 is used to control the second energy storage battery to charge from the main circuit bus when receiving a power supply signal from any one of the main circuit bus and the first regional energy router and determining that the power supply of the power grid does not meet the standard requirements of the regional power load, and shut down at least one power device connected to the main circuit bus according to the power supply priority of the power device connected to the main circuit bus;

[0103] The third control unit 73 is used to control the energy storage device to supply power to the main circuit bus and the redundant circuit bus, and control the second energy storage battery to charge from the redundant circuit bus when no power supply signal is received from the main circuit bus and any of the first regional energy routers, wherein the priority of the energy storage device supplying power to the redundant circuit bus is higher than the priority of supplying power to the main circuit bus.

[0104] like Figure 8 As shown, the embodiment of the present disclosure also provides an energy supply control device, which is applied to Figures 1 to 4 In the energy internet system of the illustrated embodiment, the energy supply control device includes:

[0105] The fourth control unit 81 is used to control the first energy storage battery to charge from the main circuit bus when receiving a power supply signal from any one of the main circuit bus and the first regional energy router;

[0106] The fifth control unit 82 is used to control the first energy storage battery to charge from the redundant circuit bus when no power supply signal is received from any of the main circuit bus and the first regional energy router and when it is determined that at least one energy storage device is in a discharging state;

[0107] The sixth control unit 83 is used to control the first energy storage battery and each second energy storage battery to share electric energy through the redundant circuit bus according to the energy sharing allocation rules when no grid power supply signal is received from the main circuit bus and any of the first regional energy routers and it is determined that each energy storage device is not in a discharging state.

[0108] When the power grid is in short supply or even out of power, the energy supply control method or device of the above embodiment can ensure the power supply to the control system, thereby improving the working stability and response speed of the energy Internet system.

[0109] like Fig. 9 As shown, some embodiments of the present disclosure further provide an energy supply control device, comprising: a memory 91 and a processor 92 coupled to the memory 91, wherein the processor 92 is configured to execute an energy supply control method as described in any of the foregoing embodiments based on instructions stored in the memory 91.

[0110] It should be understood that each step in the aforementioned energy supply control method can be implemented by a processor, and can be implemented by any means of software, hardware, firmware or a combination thereof.

[0111] In addition to the above energy supply control method and device, the embodiments of the present disclosure may also be in the form of a computer program product implemented on one or more non-volatile storage media containing computer program instructions. Therefore, some embodiments of the present disclosure also provide a computer-readable storage medium on which a computer program is stored, and when the program is executed by a processor, an energy supply control method as described in any of the above technical solutions is implemented.

[0112] Fig.10 A schematic diagram of a computer system according to some embodiments of the present disclosure is shown.

[0113] like Fig.10 As shown, the computer system can be expressed in the form of a general-purpose computing device, and the computer system can be used to implement the energy supply control method of the above embodiment. The computer system includes a memory 101, a processor 102 and a bus 100 connecting different system components.

[0114] The memory 101 may include, for example, a system memory, a non-volatile storage medium, etc. The system memory may store, for example, an operating system, an application program, a boot loader, and other programs. The system memory may include a volatile storage medium, such as a random access memory (RAM) and / or a cache memory. The non-volatile storage medium may store, for example, instructions for executing the corresponding embodiment of the above-mentioned energy supply control method. The non-volatile storage medium includes, but is not limited to, a disk storage, an optical storage, a flash memory, etc.

[0115] The processor 102 may be implemented by a general purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a field programmable gate array (FPGA) or other programmable logic devices, discrete gates or transistors, etc., as discrete hardware components. Accordingly, each module such as the judgment module and the determination module may be implemented by a central processing unit (CPU) running instructions in a memory that execute corresponding steps, or may be implemented by a dedicated circuit that executes corresponding steps.

[0116] The bus 100 may use any of a variety of bus architectures, including, but not limited to, an Industry Standard Architecture (ISA) bus, a Micro Channel Architecture (MCA) bus, and a Peripheral Component Interconnect (PCI) bus.

[0117] The computer system may further include an input / output interface 103, a network interface 104, a storage interface 105, etc. The input / output interface 103, the network interface 104, the storage interface 105, the memory 101, and the processor 102 may be connected via a bus 100. The input / output interface 103 may provide a connection interface for input / output devices such as a display, a mouse, and a keyboard. The network interface 104 provides a connection interface for various networked devices. The storage interface 105 provides a connection interface for external storage devices such as a floppy disk, a USB flash drive, and an SD card.

[0118] So far, various embodiments of the present disclosure have been described in detail. In order to avoid obscuring the concept of the present disclosure, some details known in the art are not described. Based on the above description, those skilled in the art can fully understand how to implement the technical solution disclosed here.

[0119] Although some specific embodiments of the present disclosure have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the present disclosure. It should be understood by those skilled in the art that the above embodiments may be modified or some technical features may be replaced by equivalents without departing from the scope and spirit of the present disclosure. The scope of the present disclosure is defined by the appended claims.

Claims

1. An energy Internet system, comprising: the first regional energy router for connecting to the grid; A second regional energy router having a first energy storage battery, wherein the first energy storage battery is in a simultaneous charging and discharging state or a discharging state during operation; Multiple household energy supply subsystems are arranged in parallel, each household energy supply subsystem comprising: A main circuit bus, with two ends respectively connected to a first regional energy router and a second regional energy router, including a first node for connecting to an energy storage device and a second node for connecting to an electrical device; A household energy router with a second energy storage battery is arranged on the main circuit bus. When working, the second energy storage battery is in a simultaneous charging and discharging state or a discharging state. When the household energy router receives a power supply signal from the main circuit bus and any one of the first regional energy routers and determines that the power supply of the grid meets the standard requirements of the regional power load, it controls the second energy storage battery to draw power from the main circuit bus for charging; The redundant circuit bus has two ends respectively connected to the second regional energy router and the first node. The redundant circuit bus includes a third node, and the third node is connected to the household energy router.

2. The energy internet system according to claim 1, wherein: The charging source of the first energy storage battery is the main circuit bus or the redundant circuit bus, and the discharging direction of the first energy storage battery includes the redundant circuit bus; The charging source of the second energy storage battery is the main circuit bus or the redundant circuit bus, and the discharging direction of the second energy storage battery includes the redundant circuit bus; The charging source of the energy storage device is the main circuit bus, and the discharging direction of the energy storage device includes the main circuit bus and the redundant circuit bus.

3. The energy internet system according to claim 1, wherein: When the household energy router receives a power supply signal from the main circuit bus and any one of the first regional energy routers and determines that the power supply of the power grid does not meet the standard requirements of the regional power load, it controls the second energy storage battery to charge from the main circuit bus, and shuts down at least one power device connected to the main circuit bus according to the power supply priority of the power device connected to the main circuit bus; When the household energy router does not receive a grid power supply signal from the main circuit bus and any of the first regional energy routers, it controls the energy storage device to supply power to the main circuit bus and the redundant circuit bus, and controls the second energy storage battery to draw power from the redundant circuit bus for charging, wherein the priority of the energy storage device supplying power to the redundant circuit bus is higher than the priority of supplying power to the main circuit bus.

4. The energy internet system according to claim 3, wherein: The power grid energy supply signal carries the judgment result information on whether the power grid energy supply meets the standard requirements of the regional power load.

5. The energy internet system according to claim 3, wherein: The household energy router determines whether the power supply of the power grid meets the standard power load requirements of the area based on the current value of the total circuit bus and the standard current range.

6. The energy internet system according to claim 3, wherein: When the second regional energy router receives a power supply signal from the main circuit bus and any one of the first regional energy routers, it controls the first energy storage battery to draw power from the main circuit bus for charging; When the second regional energy router does not receive a power grid energy supply signal from the main circuit bus and any of the first regional energy routers and determines that at least one energy storage device is in a discharging state, the second regional energy router controls the first energy storage battery to draw power from the redundant circuit bus for charging; When the second regional energy router does not receive a grid power supply signal from the main circuit bus and any of the first regional energy routers, and determines that each energy storage device is not in a discharging state, it controls the first energy storage battery and each second energy storage battery to share electrical energy through the redundant circuit bus in accordance with the energy sharing and allocation rules.

7. The energy internet system according to claim 1, wherein: The main circuit bus also includes a fourth node for connecting the power generation equipment, and the electric energy generated by the power generation equipment is transmitted to the energy storage device through the main circuit bus.

8. The energy internet system according to claim 1, wherein: Energy storage devices operate in a charging state or a discharging state.

9. The energy internet system according to claim 1, further comprising: The converter is arranged on the main circuit bus, and the converter and the household energy router are independent physical entities, or the converter is integrated in the household energy router.

10. The energy internet system according to any one of claims 1 to 9, wherein: The first energy storage power source is a lithium battery or a nickel-metal hydride battery; The second energy storage power source is a lithium battery or a nickel-metal hydride battery; Energy storage batteries are batteries.

11. An energy supply control method, applied to the energy internet system according to claim 1, the energy supply control method comprising: When receiving a power supply signal from either the main circuit bus or the first regional energy router, and determining that the power supply of the power grid meets the standard requirements of the regional power load, the household energy router controls the second energy storage battery to draw power from the main circuit bus for charging; When receiving a power supply signal from either the main circuit bus or the first regional energy router, and determining that the power supply of the power grid does not meet the standard requirements of the regional power load, the household energy router controls the second energy storage battery to charge from the main circuit bus, and shuts down at least one power device connected to the main circuit bus according to the power supply priority of the power device connected to the main circuit bus; When no grid power supply signal is received from the main circuit bus and the first regional energy router, the household energy router controls the energy storage device to supply power to the main circuit bus and the redundant circuit bus, and controls the second energy storage battery to draw power from the redundant circuit bus for charging, wherein the priority of the energy storage device supplying power to the redundant circuit bus is higher than the priority of supplying power to the main circuit bus.

12. An energy supply control device, applied to the energy internet system according to claim 1, the energy supply control device comprising: The first control unit is used to control the second energy storage battery to draw power from the main circuit bus for charging when receiving a power supply signal from any one of the main circuit bus and the first regional energy router and determining that the power supply of the power grid meets the standard requirements of the regional power load; The second control unit is used to control the second energy storage battery to charge from the main circuit bus when receiving a power supply signal from any one of the main circuit bus and the first regional energy router and determining that the power supply of the power grid does not meet the standard requirements of the regional power load, and shut down at least one power device connected to the main circuit bus according to the power supply priority of the power device connected to the main circuit bus; The third control unit is used to control the energy storage device to supply power to the main circuit bus and the redundant circuit bus, and control the second energy storage battery to charge from the redundant circuit bus when no power grid power supply signal is received from the main circuit bus and the first regional energy router, wherein the priority of the energy storage device supplying power to the redundant circuit bus is higher than the priority of supplying power to the main circuit bus.

13. An energy supply control method, applied to the energy internet system according to claim 1, the energy supply control method comprising: When receiving a power grid energy supply signal from either the main circuit bus or the first regional energy router, the second regional energy router controls the first energy storage battery to draw power from the main circuit bus for charging; When no grid energy supply signal is received from the main circuit bus and any one of the first regional energy routers, and it is determined that at least one energy storage device is in a discharging state, the second regional energy router controls the first energy storage battery to draw power from the redundant circuit bus for charging; When no grid power supply signal is received from the main circuit bus and any of the first regional energy routers, and it is determined that each energy storage device is not in a discharging state, the second regional energy router controls the first energy storage battery and each second energy storage battery to share electrical energy through the redundant circuit bus according to the energy sharing allocation rules.

14. An energy supply control device, applied to the energy internet system according to claim 1, the energy supply control device comprising: A fourth control unit is used to control the first energy storage battery to charge from the main circuit bus when receiving a power supply signal from any one of the main circuit bus and the first regional energy router; a fifth control unit, configured to control the first energy storage battery to charge from the redundant circuit bus when no power grid power supply signal is received from any of the main circuit bus and the first regional energy router and when it is determined that at least one energy storage device is in a discharging state; The sixth control unit is used to control the first energy storage battery and each second energy storage battery to share electric energy through the redundant circuit bus according to the energy sharing allocation rule when no grid power supply signal is received from the main circuit bus and any of the first regional energy routers and it is determined that each energy storage device is not in a discharging state.

15. An energy supply control device, comprising: Memory; and A processor coupled to the memory, wherein the processor is configured to execute the energy supply control method according to claim 11 or 13 based on instructions stored in the memory.

16. A computer-readable storage medium having a computer program stored thereon, wherein when the program is executed by a processor, the energy supply control method according to claim 11 or 13 is implemented.

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