Energy storage device and method for outputting electric energy of energy storage device

Abstract

The embodiment of the present application provides an energy output method of an energy storage device, and relates to the technical field of energy storage, and the energy output method comprises the following steps: in response to an access operation of a connecting line, obtaining access information of the access operation; when it is determined that the access information comprises information that the first connector has completed access, obtaining connection information of the second connector; when it is determined that the connection information comprises handshake information of the power terminal and handshake information of the communication terminal, and an energy output instruction is obtained within a preset time, outputting an energy parameter to the target device through the output interface. In the embodiment of the present application, when the energy storage device detects the access operation of the connecting line, whether the two ends of the connecting line are both connected is detected, and then corresponding energy parameters are output according to the energy output instruction, and when only the access of the connecting line or the energy output instruction is detected, no energy is output, thereby solving the problem that electric shock occurs when a user touches the output interface or the connecting line.

Description

Technical Field

[0001] The embodiments of the present application relate to the field of energy storage and power supply technology, and in particular to an energy storage device and an energy storage device. Background Art

[0002] The existing energy storage device can be connected to the target device through a wire, and then the target device is powered by the energy storage device as a power supply.

[0003] Because current energy storage devices have no output protection, users are prone to electric shock when they touch the output interface of the energy storage device or connect the energy storage device to the target device through a connecting cable. Summary of the Invention

[0004] The main purpose of the embodiments of the present application is to provide an energy storage device and an energy storage device, so as to solve the problem that users are prone to electric shock when using the energy storage device.

[0005] An embodiment of the present application provides a method for outputting electric energy from an energy storage device, wherein the energy storage device includes an output interface, the energy storage device is connected to a target device via a connecting line, the connecting line includes a first connector for connecting the energy storage device and a second connector for connecting the target device, the second connector of the connecting line includes a power terminal and a communication terminal, and the electric energy output method includes:

[0006] In response to an access operation of the connection line, acquiring access information of the access operation;

[0007] When it is determined that the access information includes information that the first connector has completed access, obtaining connection information of the second connector;

[0008] When it is determined that the connection information includes the handshake information of the power terminal and the handshake information of the communication terminal, and when the power output instruction is obtained within a preset time, the power parameters are output to the target device through the output interface.

[0009] Preferably, the electric energy output method further includes:

[0010] When the electric energy parameter is outputted through the output interface, an execution signal is also outputted to the target device, where the execution signal is used to instruct the power management device in the target device to stop receiving other power inputs.

[0011] Preferably, the energy storage device includes a battery module, and the battery module outputs the electric energy parameter through the output interface. The electric energy output method further includes:

[0012] When a disconnection instruction is detected, disconnecting the battery module from the output interface;

[0013] Stop outputting the execution signal to the target device.

[0014] Preferably, the electric energy output method further includes:

[0015] Obtaining the remaining power of the battery module;

[0016] When the remaining power of the battery module meets the charging condition, the battery module is controlled to be connected to the output interface, so that the battery module receives charging power from the output interface for charging.

[0017] Preferably, before controlling the battery module to connect to the output interface, the method further includes:

[0018] Get current time information;

[0019] When the current time information meets the charging time condition, the battery module is controlled to be connected to the output interface.

[0020] Preferably, the electric energy output method further includes:

[0021] When a switching instruction is detected, switching information is sent to the target device and timing is started, wherein the switching information is used to instruct the power management device in the target device to switch the input power supply;

[0022] When it is determined that the timing information reaches the preset switching reserved time, outputting the power parameter and the execution signal to the target device through the output interface is stopped.

[0023] Preferably, the energy storage device includes several output interfaces, and the electric energy output method further includes:

[0024] Obtaining a target output interface for the access operation of the connection line;

[0025] Outputting the electric energy parameter to the target device through the output interface includes:

[0026] Detecting whether an electric energy output instruction of the target output interface is received within a preset time;

[0027] If so, the electric energy parameters in the electric energy output instruction are obtained, and the electric energy parameters are output through the target output interface.

[0028] Preferably, the electric energy output method further includes:

[0029] If not, a prompt message is output, where the prompt message is used to prompt that the target output interface has no power output instruction.

[0030] Preferably, the energy storage device includes several output interfaces, and the electric energy output method further includes:

[0031] receiving power output instructions from each of the output interfaces;

[0032] Saving the power output instruction and reception time of the output interface into a database;

[0033] Outputting the electric energy parameter to the target device through the output interface includes:

[0034] Obtaining the power output instructions and reception time of each output interface stored in the database;

[0035] Obtaining the access time and target output interface of the access operation;

[0036] When it is determined that an output interface consistent with the target output interface is stored in the database, determining whether the time of receiving the power output instruction of the output interface is within a preset time range of the access time of the access operation;

[0037] If yes, then obtain the electric energy parameters corresponding to the electric energy output instruction of the output interface, and output the electric energy parameters to the target device through the target output interface.

[0038] An embodiment of the present application also provides an energy storage device, including a memory, a processor, and a computer program stored in the memory and executable on the processor. When the processor executes the computer program, the method for outputting electric energy of the energy storage device as described above is implemented.

[0039] The beneficial effects of the embodiments of the present application compared with the prior art are as follows: the energy storage device provided by the embodiments of the present application includes an output interface, the energy storage device is connected to the target device through a connecting line, the connecting line includes a first connector for connecting the energy storage device and a second connector for connecting the target device, the power output method of the energy storage device includes obtaining access information of the access operation when detecting the access operation of the connecting line, obtaining link information of the second connector when the access information includes information that the first connector has completed access, and outputting power parameters to the target device through the output interface when determining that the connection information contains handshake information of the power terminal and the communication terminal, and obtaining the power output instruction within a preset time. Through the embodiments of the present application, when the energy storage device detects the access operation of the connecting line, it detects whether both ends of the connecting line are connected, and then outputs the corresponding power parameters according to the power output instruction. When only the access of the connecting line or the power output instruction is detected, no power is output, which solves the problem of electric shock when the user touches the output interface or the connecting line. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] Figure 1 This is a flow chart of a method for outputting electric energy from an energy storage device according to an embodiment of the present application;

[0041] Figure 2 is a flow chart of a method for outputting electric energy from an energy storage device provided in another embodiment of the present application;

[0042] Figure 3 1 is a flow chart of a method for outputting electric energy from an energy storage device provided in another embodiment of the present application;

[0043] Figure 4 1 is a flow chart of a method for outputting electric energy from an energy storage device provided in another embodiment of the present application;

[0044] Figure 5 1 is a flow chart of a method for outputting electric energy from an energy storage device provided in another embodiment of the present application;

[0045] Figure 6 It is a structural diagram of the energy storage device provided by an embodiment of the present invention.

[0046] The purpose, features and advantages of the present invention will be further described with reference to the accompanying drawings and in conjunction with the embodiments. DETAILED DESCRIPTION

[0047] It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0048] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0049] Those skilled in the art will appreciate that, unless expressly stated otherwise, the singular forms "a", "an", "above", and "the" used herein may also include plural forms. It should be further understood that the term "comprising" used in the specification of the present invention refers to the presence of features, integers, steps, operations, elements, units, modules, and / or components, but does not exclude the presence or addition of one or more other features, integers, steps, operations, elements, units, modules, components, and / or groups thereof. It should be understood that when we refer to an element as being "connected" or "coupled" to another element, it may be directly connected or coupled to the other element, or there may be intermediate elements. In addition, "connected" or "coupled" as used herein may include wireless connections or wireless couplings. The term "and / or" used herein includes all or any unit and all combinations of one or more associated listed items.

[0050] It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by those skilled in the art in the art to which the present invention belongs. It should also be understood that terms such as those defined in common dictionaries should be understood to have meanings consistent with their meanings in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless specifically defined as herein.

[0051] Figure 1 An embodiment of the present application provides a method for outputting electric energy from an energy storage device. The energy storage device includes an output interface. The energy storage device is connected to a target device via a connecting line. The connecting line includes a first connector for connecting the energy storage device and a second connector for connecting the target device. The second connector of the connecting line includes a power terminal and a communication terminal. The method for outputting electric energy from the energy storage device includes:

[0052] S101 : In response to an access operation of the connection line, obtain access information of the access operation.

[0053] In this step, the energy storage device detects whether there is a connecting line connected to the output interface. When the user detects the access operation of connecting the connecting line to the output interface, the access information of the access operation is obtained. The access information includes whether the first connector of the connecting line is completely connected to the preset position of the output interface of the energy storage device. Specifically, the first connector of the connecting line may also include a power terminal and a communication terminal. In this embodiment, for the sake of convenience, the power terminal of the first connector of the connecting line is referred to as the first power terminal, and the communication terminal of the first connector of the connecting line is referred to as the first communication terminal. The power terminal of the second connector of the connecting line is referred to as the second power terminal, and the communication terminal of the second connector of the connecting line is referred to as the second communication terminal. The output interface of the energy storage device includes an energy storage power terminal and an energy storage communication terminal used in conjunction with the first connector. When the user connects the first connector of the connecting line to the energy storage device, the energy storage device determines the access information of the connecting line based on the connection status of the energy storage power terminal with the first power terminal, the energy storage communication terminal and the first communication terminal.

[0054] S102: When it is determined that the access information includes information indicating that the first connector has completed access, obtain connection information of the second connector.

[0055] In this step, when the energy storage device obtains the handshake information of the energy storage power terminal of the output interface and the first power terminal of the first connector of the connecting line, and the handshake information of the energy storage communication terminal of the output interface and the first communication terminal of the first connector of the connecting line, the energy storage device determines that the first connector of the connecting line has been connected in place as required, that is, after the first connector has been connected, the energy storage device obtains the connection information of the second connector of the connecting line. Specifically, in this embodiment, the output interface of the energy storage device has an anti-foolproof design, and the first connector of the connecting line also has an anti-foolproof design. When the user uses the connecting line to access the energy storage device, it is necessary to insert the first connector of the connecting line into the energy storage device. If the second connector is used, the output interface of the energy storage device cannot be accessed. In this step, the energy storage device can only obtain the connection information of the second connector through the connecting line after it determines that the first connector of the connecting line has been connected.

[0056] S103 : When it is determined that the connection information includes the handshake information of the power terminal and the handshake information of the communication terminal, and a power output instruction is obtained within a preset time, output power parameters to the target device through the output interface.

[0057] In this step, the energy storage device obtains the connection information of the second connector of the connecting line, and the connection information includes information on whether the second power terminal and the second communication terminal of the second connector of the connecting line have completed docking with the target device. Specifically, if the connection information of the second connector obtained by the energy storage device includes the handshake information of the second power terminal and the handshake information of the second communication terminal, it is determined that the second connector of the connecting line has completed connection with the target device. After the energy storage device determines that the second connector has completed connection with the target device, it will detect whether an electric energy output instruction is received within a preset time. The preset time includes a time period. The time period is determined by the time point when the energy storage device detects the access operation, and the time period is determined before and after the time point. For example, if the energy storage device detects the access operation of the connecting line at 12:30, the energy storage device uses 12:30 as the time point to detect whether an electric energy output instruction is received between 12:10 and 12:50. The way in which the energy storage device detects whether the power output instruction has been received includes: the energy storage device detects whether the output switch on its own device is turned on. If the energy storage device detects that the output switch is turned on, it determines that the power output instruction has been received; or the energy storage device detects whether the power output instruction sent by an external device has been received. The external device can be a mobile terminal with an application APP installed. When the energy storage device detects the power output instruction within a preset time and determines that the first connector and the second connector of the connecting line are both connected, it will output power parameters to the target device through the output interface. The power parameters include the voltage, current or power corresponding to the power output instruction. In this embodiment, the energy storage device is configured to output power parameters only when it detects that the hardware is in place and the software is in place. The hardware in place indicates that the first connector of the connecting line has been docked with the output interface of the energy storage device, and the second connector of the connecting line has been docked with the target device. The software in place indicates that the energy storage device has detected the power output instruction. In this step, after detecting that the hardware and software are in place, the energy storage device will output the electrical energy parameters through the output interface. The electrical energy parameters output by the output interface are rated electrical energy parameters. For example, when the electrical energy output instruction is only an output instruction and does not include other output parameter settings, the output interface outputs the rated voltage, rated current, or rated power. In other embodiments, the electrical energy parameters output by the output interface can output corresponding electrical energy parameters according to the electrical energy output instruction. For example, if the electrical energy output instruction includes information about the voltage, current, or power that the output interface needs to output, the output interface outputs the voltage, current, or power required by the electrical energy output instruction according to the electrical energy output instruction.

[0058] Through the above-mentioned embodiments provided by the present application, the energy storage device is configured to output no power when the output interface is only connected to a connecting line. The power output operation is performed only when it is detected that the second connector of the connection is connected to the target device and a power output instruction is received. The embodiments of the present application avoid the problem that the energy storage device outputs power when the output interface is touched, which may easily cause electric shock to the user. At the same time, the embodiments of the present application ensure the output safety of the energy storage device through dual protection of hardware and software.

[0059] In some embodiments provided in this application, the target device may be an electrical device or system that requires electrical energy to operate. In this embodiment, the target device is a household electrical system that is connected to the mains electricity and uses the mains electricity as the main power source. The household electrical system also uses the energy storage device provided in this application as a backup power source, or the household electrical system may also be connected to an energy system such as wind energy or solar energy as a backup power source. Figure 2 As shown, the electric energy output method of the energy storage device also includes:

[0060] S104 , when outputting the power parameter through the output interface, also outputting an execution signal to the target device, wherein the execution signal is used to instruct the power management device in the target device to stop receiving other power inputs.

[0061] In this embodiment, the energy storage device is connected to the home power system as a backup power source. To ensure the safe use of the energy storage device, in this embodiment of the present application, when the energy storage device outputs the power parameters to the home power system, it also outputs an execution signal to the home power system through the output interface of the energy storage device. The execution signal is used to instruct the power management device in the home power system to execute the operation of stopping access to other power inputs. Specifically, in actual use, the energy storage device serves as a backup power source for the home power system, and is used to output power to the home power system when the home power system is not powered by mains electricity. In some embodiments, the user can also use the energy storage device to power the home power system when the home power system has mains electricity input. At this time, the user can manually disconnect the input of other power sources and use only the energy storage device for power. The home power system has an input interface for the backup power source, which is compatible with the second connector of the connecting cable. During the process of the energy storage device supplying power to the home power system through its own output interface, if the mains electricity, which is the main power source of the home power system, is restored, it will flow back into the energy storage device, causing the energy storage device to burn out. Therefore, in the present application, when the energy storage device outputs the electric energy parameter to the household electric system through the output interface, it also continuously outputs an execution signal to the household electric system. After receiving the execution signal, the household electric system will disconnect the input of other power sources and only receive the electric energy input by the energy storage device. Through the embodiments provided in the present application, the safety of the use of the energy storage device can be effectively protected. In some embodiments, the energy storage device can send the execution signal to the power management device in the household electric system through the connecting line, or it can send the execution signal to the household electric system wirelessly after establishing a wireless connection with the household electric system. In this embodiment, in order to ensure the stability of the transmission of the execution signal, the energy storage device sends the execution signal to the power management device in the household electric system through the connecting line.

[0062] It should be noted that in the above step S104, if the household electrical system is configured to operate in a mode in which it cannot receive other power inputs when using the power output by the energy storage device, then it is not necessary to output the execution signal to the household electrical system. More specifically, the household electrical system has a distribution box. After the energy storage device is connected to the household electrical system, the distribution box of the household electrical system will disconnect other power inputs according to the execution signal output by the energy storage device, and only use the energy storage device to power the electrical appliances in the household electrical system. In some embodiments, the user can manually disconnect the access switch in the household electrical system to disconnect the input of other power sources, so that the household electrical system only uses the energy storage device as a power supply.

[0063] In the embodiment provided in this application, the energy storage device includes a battery module and an output interface, and the battery module outputs the electric energy parameter to the outside through the output interface. Figure 3 As shown, the electric energy output method of the energy storage device also includes:

[0064] S301, when a disconnection instruction is detected, disconnecting the battery module from the output interface.

[0065] In this step, the energy storage device detects whether the user triggers a disconnection instruction, and upon receiving the disconnection instruction, disconnects the connection between the battery module and the output interface to stop outputting electrical energy parameters to the target device. Specifically, the user can send a disconnection instruction to the energy storage device through a terminal on which an application APP is installed, or trigger a disconnection instruction through an output switch on the energy storage device. In some embodiments of the present application, the energy storage device is provided with an output switch, an independent operating device supporting it, and a multi-terminal installed with an application APP that can operate the energy storage device after establishing a connection therewith. The user can control the energy storage device through the output switch, operating device or application APP on the energy storage device.

[0066] S302: Stop outputting the execution signal to the target device.

[0067] In this step, when the energy storage device disconnects the battery module from the output interface, it stops outputting the execution signal to the target device. In some embodiments, the user does not need the energy storage device to provide power to the target device. When the disconnection instruction is triggered, the energy storage device will stop outputting power and the execution signal through the output interface. It should be understood that if the energy storage device does not need to output the execution signal before, that is, the target device has no other power input, or when the energy storage device outputs power to the target device, the target device is configured to only receive the power output by the energy storage device, the energy storage device does not need to execute step S302.

[0068] S303: Obtain the remaining power of the battery module.

[0069] In this step, if the energy storage device determines that the target device has another power input and can obtain power from the target device for charging, the energy storage device will obtain the remaining power of the battery module and perform subsequent steps based on the remaining power of the battery module. Specifically, after the energy storage device disconnects the battery module from the output interface, it will obtain the remaining power of the battery module to determine whether the battery module needs to be charged.

[0070] S304: When the remaining power of the battery module meets the charging condition, control the battery module to be connected to the output interface, so that the battery module receives charging power from the output interface for charging.

[0071] In this step, when the energy storage device determines that the remaining power of the battery module is lower than the preset value, it determines that the remaining power of the battery module meets the charging conditions, and controls the battery module to connect with the output interface so that the battery module receives charging power through the output interface for charging. It should be noted that in actual use, the energy storage device needs to perform inversion or rectification to control the battery module to discharge outward and receive external power for charging. In this embodiment, the energy storage module includes an inverter module, a rectifier module, etc. in addition to the battery module. If the target device is a household power system, when the energy storage device controls the battery module to supply power to the household power system through the output interface, because the battery module outputs direct current, it is necessary to invert the direct current output of the battery module through the inverter module to obtain alternating current, and output the alternating current through the output interface. Similarly, when the remaining charge of the battery module meets the charging conditions, the household power system inputs AC charging power to the energy storage device via a connecting line. The energy storage device needs to rectify the AC charging power through the rectifier module to obtain DC charging power, which is then output to the battery module. The battery module receives the DC charging power and charges. In other embodiments, when the energy storage device determines that the remaining charge of the battery module meets the charging conditions, it will send a prompt message to the user's terminal installed with an application APP. The prompt message includes the current remaining charge of the energy storage device and prompts the user whether to charge. The user can choose to charge or not based on the prompt message. In some embodiments, after obtaining the remaining charge of the battery module, the energy storage device displays the prompt message on the display mode of the energy storage module. The prompt message prompts the user whether to charge the battery module. The user can choose to charge or not based on the operation module on the energy storage device. In some embodiments, the energy storage device is configured to control the battery module to connect to the output interface to receive charging power after receiving the user's selection to charge, or after outputting the prompt message and a preset time has passed.

[0072] In the above-mentioned embodiments provided in this application, the energy storage device can automatically start the charging process based on its own power level when the target device connected to it provides charging power to maintain its own power level. In other embodiments, if the target device is a household power system, then in order to reduce the user's electricity bill, the energy storage device, before controlling the battery module to connect to the output interface in step S304, further includes: obtaining current time information; and controlling the battery module to connect to the output interface when the current time information meets the charging time condition. In this application, if the household power system uses mains electricity as the charging power for the energy storage device, the energy storage device obtains the current time information when receiving the charging power. If the current time information is during a time period of off-peak power consumption, it determines that the current time information meets the charging time condition and controls the battery module to connect to the output interface. If the current time information is during a time period of peak power consumption, it determines that the current time information does not meet the charging time condition.

[0073] Figure 4 The present invention provides an energy storage device according to an embodiment of the present invention, comprising:

[0074] S401: In response to an access operation of the connection line, obtain access information of the access operation.

[0075] S402: When it is determined that the access information includes information indicating that the first connector has completed access, obtain connection information of the second connector.

[0076] S403: When it is determined that the connection information includes the handshake information of the power terminal and the handshake information of the communication terminal, and the power output instruction is obtained within a preset time, output power parameters to the target device through the output interface.

[0077] S404: Output an execution signal to the target device, where the execution signal is used to instruct the power management device in the target device to stop receiving other power inputs.

[0078] S405 , when a switching instruction is detected, sending switching information to the target device and starting timing, wherein the switching information is used to instruct a power management device in the target device to switch input power.

[0079] S406 : When it is determined that the timing information reaches the preset switching reserved time, stop outputting the power parameter and the execution signal to the target device through the output interface.

[0080] In this embodiment, the specific implementation of steps S401 to S404 can refer to steps S101 to S104 described above.

[0081] In step S405, the energy storage device detects whether it has received a switching instruction sent by the user. When the switching instruction is detected, it sends switching information to the target device through the output interface and starts timing. The switching information is used to instruct the power management device in the target device to switch the input power supply, and the switching information also includes a switching time. The power management device of the target device can switch the input power supply according to the switching time. In this embodiment, the energy storage device continues to output the power parameter and the execution signal while sending the switching information to the target device. The switching information is only used to prompt the power management device in the target device to stop outputting the power parameter after the switching time is reached. In some embodiments, the user can send a switching instruction to the energy storage device through a terminal with an application APP installed, or trigger the switching instruction through a switching button provided on the energy storage device.

[0082] In step S406, when the energy storage device determines that the timing information reaches the preset switching reserve time, it will stop outputting the power parameters and the execution signal to the target device through the output interface. Specifically, assuming that in step S405, the user triggers the switching instruction at 12:30, the energy storage device will start timing after detecting the switching instruction and send switching information to the target device. The switching information is used to prompt the power management device in the target device that the energy storage device will stop outputting the power parameters after 2 minutes, and the power management device needs to start timing and switch to other power sources as the power supply after the timing time is reached. When the energy storage device reaches 2 minutes, the energy storage device stops outputting the power parameters and the execution signal. It should be understood that in this embodiment, the energy storage device sends the switching information to the target device, the energy storage device starts timing, and the power management device in the target device receives the switching information and starts timing. It should be performed simultaneously, and the time spent by the power management device in the target device to switch the input power is very short and will not affect the use of the electrical appliances in the target device.

[0083] In other embodiments, in step 403, if the energy storage device includes several output interfaces, the energy storage device further includes: obtaining the target output interface for the connection operation of the connecting line before outputting the power parameters corresponding to the power output instruction to the target device through the output interface. Then, the energy storage device outputs the power parameters corresponding to the power output instruction to the target device through the output interface, including: detecting whether the power output instruction of the target output interface is received within a preset time; if so, obtaining the power parameters in the power output instruction and outputting the power parameters through the target output interface; if not, outputting a prompt message, the prompt message being used to prompt that the target output interface has no power output instruction. In this step S403, if the target output interface has no corresponding power output instruction, the energy storage device will send a prompt message to the terminal installed with the application APP or display the prompt message on the display module of the energy storage device, prompting that the target output interface currently has no power output instruction and that the user needs to set it. For example, the energy storage device has output interfaces A, B, and C. Each output interface on the energy storage device corresponds to an output switch. After the user inserts the connecting cable into output interface A and completes the connection with the target device, the output switch of output interface B is turned on. After the energy storage device determines that the connecting cable is connected (i.e., output interface A has completed the hardware presence detection), it obtains whether there is an energy output instruction for output interface A within 2 minutes before or after the connection time based on the connection time of the connecting cable. Because the user previously turned on the output switch of output interface B, the energy storage device did not detect the energy output instruction for output interface A (i.e., the energy storage device did not detect the software presence information of output interface A). At this time, the energy storage device will not output the energy parameters through output interface A. If the user triggers the energy output instruction of output interface A after the energy storage device issues a prompt message, the energy storage device outputs the energy parameters according to the rated output energy parameters of output interface A, or outputs the corresponding energy parameters according to the received energy output instruction for output interface A.

[0084] Through the above-mentioned embodiments provided in the present application, safe switching of the input power of the target device can be achieved, while also ensuring the safe use of the energy storage device, and avoiding the problem of current flowing back from the target device to the energy storage device when the target device has other power inputs.

[0085] Figure 5 A method for outputting electric energy from an energy storage device provided in another embodiment of the present application is shown. The energy storage device includes several output interfaces. The method includes:

[0086] S501: Receive power output instructions from each of the output interfaces.

[0087] In this step, the energy storage device receives the power output instruction for each output interface triggered by the user. The power output instruction can be triggered by the user through the operation module provided on the energy storage device, or the user can trigger the power output instruction through a terminal with an application APP installed.

[0088] S502: Save the power output instruction and reception time of the output interface into a database.

[0089] In this step, the energy storage device stores the received power output instructions for each output interface and the time each instruction was received in a database. This database can store relevant data in a table format. For example, if the energy storage device includes output interfaces A, B, and C, then each time the energy storage device receives a power output instruction from a user for output interface A, it stores the time of receipt and the specific content of the instruction in a table to facilitate subsequent reading and statistics.

[0090] S503, in response to the connection operation of the connection line, obtaining access information of the access operation;

[0091] S504, when it is determined that the access information includes information that the first connector has completed access, obtaining connection information of the second connector;

[0092] S505 : When it is determined that the connection information includes the handshake information of the power terminal and the handshake information of the communication terminal, obtain the power output instruction of each output interface and the reception time thereof stored in the database.

[0093] In this step, after confirming that the first connector and the second connector of the connecting line are connected, that is, after completing the hardware in-place detection, the energy storage device obtains the table in the database and reads the power output instructions and reception time of each output interface from the table.

[0094] S506: Acquire the access time and target output interface of the access operation.

[0095] In this step, the energy storage device obtains the target output interface to which the first connector of the connecting cable is connected and the connection time. For example, when the energy storage device detects the connection operation of the connecting cable, it will determine whether the connecting cable is connected to output interface A or output interface B, and determine the connection time of the connecting cable to output interface A or output interface B.

[0096] S507 , when it is determined that an output interface consistent with the target output interface is stored in the database, determining whether the reception time of the power output instruction of the output interface is within a preset time range of the access time of the access operation.

[0097] In this step, the energy storage device will determine whether the database contains an output interface that is consistent with the target output interface, and whether the receiving time of the power output instruction of the corresponding output interface in the database is within the preset range of the access operation. For example, in step S506, the energy storage device determines that the connecting line is connected to the B output interface, and the access time is 14:00. The energy storage device searches the database for relevant data of the B output interface. If the energy storage device determines that the relevant power output instruction of the B output interface is stored in the database, it determines whether the receiving time of the power output instruction of the B output interface stored in the database is within the preset time range of 14:00. In this application, the preset time range is 2 minutes. When the energy storage device finds the power output instruction of the B output interface from 13:58 to 14:02 in the database, it determines that the receiving time of the B output interface in the database is within the preset time range.

[0098] S508: If yes, obtain the power parameters corresponding to the power output instruction of the output interface, and output the power parameters to the target device through the target output interface.

[0099] In this step, if the energy storage device determines that all conditions in step S507 are met, it will determine the energy parameters corresponding to the target output interface based on the acquired energy output instruction, and output the energy parameters through the target output interface. It should be understood that when the energy storage device receives the energy output instruction of the B output interface before judging 14:00, such as at 13:59, and the energy storage device has completed the hardware in-place detection and software in-place detection at 14:00, and can execute the energy parameter output, then the energy storage device will output the energy parameters corresponding to the energy output instruction received at 13:59. When the energy storage device receives the energy output instruction for the B output interface at 14:01, the energy storage device outputs according to the energy parameters contained in the latest energy output instruction. In some embodiments, the preset time range can be set according to actual needs. In actual use, when the energy storage device does not find the energy output instruction of the target output interface in the database, a prompt message will be issued, and the prompt message is used to prompt that the current target output interface has no relevant energy output instruction. When the energy storage device receives the power output instruction for the target output interface triggered by the user according to the prompt information, it will output the power parameters through the target output interface according to the power output instruction.

[0100] The above embodiment provided by the present application realizes output protection of the energy storage device by obtaining the power output instruction of the output interface to judge the output of power parameters, thereby solving the problem of electric shock when the user touches the output interface of the energy storage device. Furthermore, the energy storage device can automatically output the power parameters when determining the connection of the connection line according to the received power output instruction, thereby improving the user experience. Specifically, Figure 5 In the embodiment shown, the related technical features not explained in steps S503 to S505 can be referred to Figures 1 to 4 For example, steps S503 to S505 can be understood by referring to the relevant technical features in Figure 4 S401 to S403 in.

[0101] Figure 6 The energy storage device provided in an embodiment of the present application is shown, and the energy storage device includes a memory, a processor, and a computer program stored in the memory and executable on the processor. When the processor executes the computer program, the electric energy output method of the energy storage device as described above is implemented. It should be noted that the energy storage device is a mobile energy storage device, and the mobile energy storage device includes a battery module, an inverter module, a rectifier module, a display module, an operating module, a communication module, an MPPT module, etc. The mobile energy storage device can communicate with an external device in a wired or wireless manner. The external device can be an operating device used in conjunction with the mobile energy storage device, or a terminal with an application APP installed. When the energy storage device outputs electric energy parameters through the output interface, it converts the voltage or current output by the battery module as needed, such as converting the direct current output by the battery module into alternating current through the inverter module, or converting the direct current output by the battery module from low voltage to high voltage, etc. When the energy storage module receives charging power through the output interface, it converts the charging power as needed, such as rectifying the AC charging power into DC power through the rectifier module, or converting high-voltage charging power into low-voltage charging power.

[0102] The following further describes the embodiments of the present application:

[0103] In this application, the target device is a household power system, and the connecting line has a bidirectional connector, one end of the connecting line is used to connect to the energy storage device, and the other end is used to connect to the household power system. When the user needs to use the energy storage device as a backup power source to connect to the household power system, one end of the connecting line is inserted into the output interface of the energy storage device, and the other end is connected to the socket of the household power system. The energy storage device can be connected to the household power system through the connecting line to supply power to the household power system. The above-mentioned application scenario of the energy storage device is generally used to power the electrical devices in the household power system when the main power source of the household power system is cut off.

[0104] The embodiment of the present application is implemented in this way: when a user inserts one end of the adapter cable into the output interface of the energy storage device, the energy storage device only detects the access operation of the output interface and does not receive the power output instruction, and does not output the voltage corresponding to the output interface through the adapter cable. At this time, if the user touches the other end connector of the adapter cable or the wire of the adapter cable is exposed, there will be no risk of leakage / electric shock.

[0105] After the user connects the other end of the adapter cable to the socket of the household power system, the energy storage device detects that the hardware is in place (that is, it detects that the connectors at both ends of the connection cable have been connected respectively), and then detects whether it has received the software in place command. The software in place command can be that the user operates through a terminal with an application APP installed, triggering an energy output instruction to be sent to the energy storage device. The energy storage device uses the energy output instruction as the software in place command, or the user can directly turn on the discharge button on the energy storage device. It should be noted that during use, even if the discharge button on the energy storage device is turned on in advance, but the two ends of the connection cable are not fully connected, the energy storage device will not discharge outward. The implementation of the energy storage device must meet both the hardware in place and the software in place to be realized.

[0106] When the energy storage device detects that discharge conditions have been met, it will output a corresponding voltage to the power system based on the connection status of the plugged-in output interface. To prevent current backflow from the mains power supply, the energy storage device simultaneously outputs an execution signal to the power management device in the home power system. This signal, in other words, sends a trip signal to the home power system. This trip signal is set based on the trip voltage or current of the mains power in the home power system, disconnecting the mains power from the home power system, allowing the energy storage device to continue supplying power.

[0107] In some embodiments, the presence of hardware can be achieved through a detection circuit in the energy storage device. For example, the detection circuit includes a voltage-dividing resistor, and the detection circuit can send a detection voltage that will not cause harm to the human body. When the hardware is in place, the voltage on one side of the voltage-dividing resistor will decrease. By detecting the voltage on this side, it can be determined whether the hardware is in place. When the detection circuit detects that the hardware is in place, it sends a signal representing the presence of the hardware to the control system of the energy storage device. The control system then determines whether the software-in-place command has been obtained. The software-in-place command can be triggered by the user using an APP operation to trigger the energy storage device or sent directly using an APP operation, or it can be triggered when the discharge button on the energy storage device is turned on. The software-in-place command will be stored in the control system of the energy storage device.

[0108] The method for outputting electric energy from an energy storage device provided in the embodiment of the present application enables the output mode only when both the hardware and software of the energy storage device are in place. Therefore, when the connecting line is only connected to the output interface of the energy storage device, the other end of the connecting line will not cause electric shock to the user.

[0109] An embodiment of the present application further provides a storage medium, which is a computer-readable storage medium and stores a computer program. When the computer program is executed, the method for outputting electric energy of the energy storage device in any of the above embodiments is implemented.

[0110] In the above embodiments provided in the present application, it should be understood that the disclosed methods, devices, computer-readable storage media, and electronic devices can be implemented in other ways. For example, the device embodiments described above are merely schematic. For example, the division of the modules is merely a logical function division. In actual implementation, there may be other division methods, such as multiple components or modules can be combined or integrated into another device, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be an indirect coupling or communication connection through some interfaces, devices or components or modules, which can be electrical, mechanical or other forms.

[0111] The components described as separate parts may or may not be physically separate, and the components shown as components may or may not be physical modules, that is, they may be located in one place or distributed across multiple network modules. Some or all of these components may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0112] In addition, the functional modules in various embodiments of the present invention may be integrated into a single processing module, or each component may exist physically separately, or two or more modules may be integrated into a single module. The aforementioned integrated modules may be implemented in the form of hardware or software functional modules.

[0113] If the integrated module is implemented in the form of a software functional module and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present invention is essentially or the part that contributes to the prior art or all or part of the technical solution can be embodied in the form of a software product. The computer software product is stored in a storage medium and includes several instructions for enabling a computer device (which can be a personal computer, server, or network device, etc.) to perform all or part of the steps of the method described in each embodiment of the present invention. The aforementioned storage medium includes: various media that can store program codes, such as a USB flash drive, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk.

[0114] It should be noted that for the aforementioned method embodiments, for ease of description, they are all expressed as a series of action combinations. However, those skilled in the art should be aware that the present invention is not limited by the order of the actions described, because according to the present invention, certain steps can be performed in other orders or simultaneously. Secondly, those skilled in the art should also be aware that the embodiments described in this specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the present invention.

[0115] In the above embodiments, the description of each embodiment has its own focus. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0116] The above are only preferred embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention description and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A method for outputting electric energy from an energy storage device, characterized in that: The energy storage device includes an output interface, the energy storage device is connected to a target device via a connecting line, the connecting line includes a first connector for connecting the energy storage device and a second connector for connecting the target device, the second connector of the connecting line includes a power terminal and a communication terminal, and the electric energy output method includes: In response to an access operation of the connection line, acquiring access information of the access operation; When it is determined that the access information includes information that the first connector has completed access, obtaining connection information of the second connector; When it is determined that the connection information includes the handshake information of the power terminal and the handshake information of the communication terminal, and when the power output instruction is obtained within a preset time, outputting the power parameters to the target device through the output interface; The energy storage device includes several output interfaces, and the electric energy output method further includes: receiving power output instructions from each of the output interfaces; Saving the power output instruction and reception time of the output interface into a database; Outputting the electric energy parameter to the target device through the output interface includes: Obtaining the power output instructions and reception time of each output interface stored in the database; Obtaining the access time and target output interface of the access operation; When it is determined that an output interface consistent with the target output interface is stored in the database, determining whether the time of receiving the power output instruction of the output interface is within a preset time range of the access time of the access operation; If yes, then obtain the electric energy parameters corresponding to the electric energy output instruction of the output interface, and output the electric energy parameters to the target device through the target output interface.

2. The electric energy output method according to claim 1, wherein: The electric energy output method further includes: When the electric energy parameter is outputted through the output interface, an execution signal is also outputted to the target device, where the execution signal is used to instruct the power management device in the target device to stop receiving other power inputs.

3. The electric energy output method according to claim 2, wherein: The energy storage device includes a battery module, and the battery module outputs the electric energy parameter through the output interface. The electric energy output method further includes: When a disconnection instruction is detected, disconnecting the battery module from the output interface; Stop outputting the execution signal to the target device.

4. The electric energy output method according to claim 3, wherein: The electric energy output method further includes: Obtaining the remaining power of the battery module; When the remaining power of the battery module meets the charging condition, the battery module is controlled to be connected to the output interface, so that the battery module receives charging power from the output interface for charging.

5. The electric energy output method according to claim 4, wherein: Before controlling the battery module to connect to the output interface, the method further includes: Get current time information; When the current time information meets the charging time condition, the battery module is controlled to be connected to the output interface.

6. The electric energy output method according to claim 2, wherein: The electric energy output method further includes: When a switching instruction is detected, switching information is sent to the target device and timing is started, wherein the switching information is used to instruct the power management device in the target device to switch the input power supply; When it is determined that the timing information reaches the preset switching reserved time, outputting the power parameter and the execution signal to the target device through the output interface is stopped.

7. The electric energy output method according to claim 1, wherein: The energy storage device includes several output interfaces, and the electric energy output method further includes: Obtaining a target output interface for the access operation of the connection line; Outputting the electric energy parameter to the target device through the output interface includes: Detecting whether an electric energy output instruction of the target output interface is received within a preset time; If so, the electric energy parameters in the electric energy output instruction are obtained, and the electric energy parameters are output through the target output interface.

8. The electric energy output method according to claim 7, wherein: The electric energy output method further includes: If not, a prompt message is output, where the prompt message is used to prompt that the target output interface has no power output instruction.

9. An energy storage device, characterized in that: The method comprises a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein when the processor executes the computer program, the method for outputting electric energy of the energy storage device according to any one of claims 1 to 8 is implemented.

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