CN220822690U - Household energy storage device - Google Patents

Abstract

The utility model discloses household energy storage equipment, and belongs to the technical field of household energy storage. The household energy storage equipment comprises a power management device, wherein the power management device is provided with an alternating current input end, a voltage output end, a battery connection end and a photovoltaic connection end, and the household energy storage equipment further comprises a load access end, a mains supply access end, a battery access end, a photovoltaic access end and an output switching device. The utility power input end is electrically connected with the alternating current input end, the battery input end is electrically connected with the battery connecting end, the photovoltaic input end is electrically connected with the photovoltaic connecting end, and the output switching device is respectively electrically connected with the load input end, the voltage output end and the utility power input end. The household energy storage equipment integrates the power distribution assembly, so that a user does not need to purchase a separate power distribution box or connect the power distribution box, and the safety and convenience of using the household energy storage equipment by the user are improved.

Description

Household energy storage device

Technical Field

The utility model relates to the technical field of household energy storage, in particular to household energy storage equipment.

Background

With the development of household energy storage technology, more and more households install household energy storage devices for household electricity management. However, when the household energy storage device is actually used, a user is required to configure a special distribution box by himself, and the distribution box is connected with a corresponding interface on the household energy storage device through a wiring. However, the wiring configuration of the distribution box needs professional personnel to operate, if the user operates the distribution box by himself, wiring errors may be caused, or the distribution box is a missing part protection device, and then the household energy storage equipment generates electricity utilization risk in the future use process, so that the use safety and convenience of the user are affected.

Disclosure of utility model

The utility model mainly aims to provide household energy storage equipment, and aims to solve the technical problems.

To this end, the utility model proposes a household energy storage device comprising a power management apparatus having an ac input, a voltage output, a battery connection and a photovoltaic connection, the household energy storage device further comprising:

the load access terminal is used for accessing a load;

The mains supply access end is used for accessing a mains supply voltage and is electrically connected with the alternating current input end;

The battery access end is used for accessing a battery and is electrically connected with the battery connection end;

the photovoltaic access end is used for accessing the photovoltaic module and is electrically connected with the photovoltaic connection end;

The output end of the output switching device is electrically connected with the load access end, the first input end of the output switching device is electrically connected with the voltage output end, and the second input end of the output switching device is electrically connected with the mains supply access end;

The output switching device is used for conducting a passage between the load access terminal and the mains supply access terminal or a passage between the load access terminal and the voltage output terminal when triggered;

The output switching device comprises a rotary toggle switch; or the output switching device includes:

the triggering device is used for outputting a corresponding triggering signal when triggered by a user;

The control circuit is electrically connected with the trigger device;

The output end of the switching device is electrically connected with the load access end, the first input end of the switching device is electrically connected with the voltage output end, and the second input end of the switching device is electrically connected with the mains supply access end;

The control circuit is used for controlling the switching device to conduct the passage between the load access terminal and the mains supply access terminal or conduct the passage between the load access terminal and the voltage output terminal according to the trigger signal.

Optionally, when the output switching device includes the triggering device, the control circuit, and the switching device, the output switching device further includes:

The wireless communication module is electrically connected with the control circuit and is used for accessing a wireless control signal sent by an external terminal;

The control circuit is used for controlling the switching device to conduct a passage between the load access terminal and the mains supply access terminal or conduct a passage between the load access terminal and the voltage output terminal according to the wireless control signal.

Optionally, the household energy storage device further comprises:

and the output switch is connected in series in a passage between the output end of the output switching device and the load access end and is used for switching on or switching off the passage between the output end of the output switching device and the load access end when triggered.

Optionally, the household energy storage device further comprises:

the mains supply input switch is connected in series in a passage between the mains supply access end and the alternating current input end power, and is used for switching on or switching off the passage between the mains supply access end and the alternating current input end power when triggered.

Optionally, the household energy storage device further comprises:

The battery connection switch is connected in series in a passage between the battery access end and the battery connection end and is used for switching on or switching off the passage between the battery access end and the battery connection end when triggered;

The battery safety device is connected in series in a passage between the battery access end and the battery connection end, and is used for disconnecting the passage between the battery access end and the battery connection end when the current flowing through the battery safety device reaches a first preset fusing current.

Optionally, the household energy storage device further comprises:

The photovoltaic input switch is connected in series in a passage between the photovoltaic access end and the photovoltaic connection end and is used for switching on or switching off the passage between the photovoltaic access end and the photovoltaic connection end when triggered;

The photovoltaic safety device is connected in series in a passage between the photovoltaic access end and the photovoltaic connection end and is used for disconnecting the passage between the photovoltaic access end and the photovoltaic connection end when the current flowing through the photovoltaic safety device reaches a second preset fusing current.

Optionally, the household energy storage device further comprises:

And the voltage clamping device is electrically connected with the photovoltaic connecting end and is used for limiting the voltage of the photovoltaic connecting end within a preset clamping voltage range.

The utility model provides household energy storage equipment, which comprises a power management device, wherein the power management device is provided with an alternating current input end, a voltage output end, a battery connection end and a photovoltaic connection end, and the household energy storage equipment also comprises a load access end, a mains supply access end, a battery access end, a photovoltaic access end and an output switching device. The load access terminal is used for accessing a load; the mains supply access terminal is used for accessing mains supply voltage and is electrically connected with the alternating current input terminal; the battery access end is used for accessing a battery and is electrically connected with the battery connection end; the photovoltaic access end is used for accessing the photovoltaic module and is electrically connected with the photovoltaic connection end; the output switching device is used for conducting a passage between the load access terminal and the mains supply access terminal or a passage between the load access terminal and the voltage output terminal when triggered. The household energy storage equipment is directly integrated with the distribution connection circuit inside, and a user does not need to purchase the distribution box and wire the distribution box and the household energy storage equipment independently, so that the safety and convenience of using the household energy storage equipment by the user are effectively improved. Meanwhile, the user can also select to directly supply power to the accessed load through triggering the output switching device, or the power management device in the household energy storage equipment converts and outputs the voltage provided by the battery and/or the photovoltaic module to supply power to the accessed load, so that the power consumption requirement of the user is met, and meanwhile, the convenience of the user for operating the household energy storage equipment to supply power for switching is improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic block diagram of an embodiment of a household energy storage device of the present utility model;

FIG. 2 is a schematic block diagram of another embodiment of a household energy storage device of the present utility model;

FIG. 3 is a schematic block diagram of a further embodiment of the household energy storage device of the present utility model;

FIG. 4 is a schematic block diagram of a household energy storage device according to a further embodiment of the present utility model;

Fig. 5 is a schematic block diagram of a household energy storage device according to another embodiment of the present utility model.

Reference numerals illustrate:

Reference numerals	Name of the name	Reference numerals	Name of the name
				10	Power management device	20	Output switching device
21	Rotary toggle switch	22	Triggering device
				23	Control circuit	24	Switching device
25	Wireless communication module	30	Output switch
				40	Mains supply input switch	50	Battery connection switch
60	Battery safety device	70	Photovoltaic input switch
				80	Photovoltaic safety device	90	Voltage clamping device

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

With the development of household energy storage technology, more and more households install household energy storage devices for household electricity management. However, when the household energy storage device is actually used, a user is required to configure a special distribution box by himself, and the distribution box is connected with a corresponding interface on the household energy storage device through a wiring. However, the wiring configuration of the distribution box needs professional personnel to operate, if the user operates the distribution box by himself, wiring errors may be caused, or the distribution box is a missing part protection device, and then the household energy storage equipment generates electricity utilization risk in the future use process, so that the use safety and convenience of the user are affected.

To this end, the household energy storage device according to the present utility model includes a power management apparatus 10, where the power management apparatus 10 has an ac input terminal, a voltage output terminal, a battery connection terminal, and a photovoltaic connection terminal, and referring to fig. 1, in an embodiment of the present utility model, the household energy storage device further includes:

The load access terminal is used for accessing a load;

The mains supply access end is used for accessing mains supply voltage and is electrically connected with the alternating current input end;

The battery access end is used for accessing a battery and is electrically connected with the battery connection end;

The photovoltaic access end is used for accessing a photovoltaic module and is electrically connected with the photovoltaic connection end;

the output switching device 20, the output end of the output switching device 20 is electrically connected with the load access end, the first input end of the output switching device 20 is electrically connected with the voltage output end, and the second input end of the output switching device 20 is electrically connected with the mains supply access end;

The output switching device 20 is used for conducting a path between the load access terminal and the mains supply access terminal or a path between the load access terminal and the voltage output terminal when triggered.

It should be understood that, in practical applications, the power management apparatus 10 in the household energy storage device may include a control circuit 23, a voltage conversion circuit, a charging circuit, a filtering circuit, a rectifying circuit, etc. for accessing the mains supply, the battery, the photovoltaic module and the load, and for implementing the function of converting the voltage output by the battery and/or the photovoltaic module and outputting the converted voltage to the load to supply power to the load, or converting and managing the power of the photovoltaic module and/or the mains voltage and outputting the processed voltage to the battery to charge the battery.

In this embodiment, the load access terminal, the mains supply access terminal, the battery access terminal, and the photovoltaic access terminal may be implemented by using standard interfaces, for example, ase:Sub>A socket, ase:Sub>A USB-ase:Sub>A/B/C interface, etc., and the types and structures of the multiple standard interfaces may be different, so as to adapt to the accessed device. It is understood that the load access terminal includes a load access positive terminal and a load access negative terminal, the utility power access terminal includes a utility power access live wire terminal and a utility power access zero terminal, the battery access terminal includes a battery positive terminal and a battery negative terminal, and the photovoltaic access terminal includes a photovoltaic Fu Zheng terminal access terminal and a photovoltaic negative terminal access terminal. The corresponding alternating current input end, voltage output end, battery connection end and photovoltaic connection end are the same and are connected in a one-to-one correspondence. The electric connection path can be established between the mains supply access terminal and the alternating current output terminal through an electric connection wire or an electric connection piece, such as a copper bar, a bus bar and the like. Similarly, the electrical connection paths may be established between the battery access terminal and the battery connection terminal, between the photovoltaic access terminal and the photovoltaic connection terminal, between the output terminal of the output switching device 20 and the load access terminal, between the first input terminal of the output switching device 20 and the voltage output terminal, and between the second input terminal of the output switching device 20 and the utility power access terminal, using the electrical connection wires and/or the electrical connection members.

In this embodiment, alternatively, in an embodiment, referring to fig. 2, the output switching device 20 may be implemented by a hardware switching device, for example, implemented by a rotary toggle switch 21 or a lever toggle switch. Taking the rotary toggle switch 21 as an example, a user can toggle the rotary toggle switch 21 to conduct a passage between the load access end and the mains supply access end, and at the moment, the power is supplied to the accessed load through the accessed mains supply voltage; or a path between the load access terminal and the voltage output terminal is conducted, at this time, the power management device 10 may perform voltage conversion on the battery voltage output by the battery and/or the voltage output by the photovoltaic module, and then output the converted voltage to the load accessed by the load access terminal through the voltage output terminal and the output switching device 20 to supply power to the load; or in a suspended state, and is not electrically connected with the voltage output end and the mains supply access end. Therefore, the household energy storage equipment can conveniently select different modes for supplying power to the load, and the manual toggle switch is adopted for power supply switching, so that the household energy storage equipment has higher reliability and stability, and the working reliability of the household energy storage equipment is ensured.

Alternatively, in an embodiment, referring to fig. 3, the output switching device 20 may also be implemented in a combination of hardware and software, where the output switching device 20 includes:

The triggering device 22, the triggering device 22 is used for outputting corresponding triggering signals when triggered by a user;

A control circuit 23, the control circuit 23 being electrically connected to the triggering device 22;

The output end of the switching device 24 is electrically connected with the load access end, the first input end of the switching device 24 is electrically connected with the voltage output end, and the second input end of the switching device 24 is electrically connected with the mains supply access end;

The control circuit 23 is configured to control the switching device 24 to conduct a path between the load access terminal and the mains supply access terminal or to conduct a path between the load access terminal and the voltage output terminal according to the trigger signal.

In this embodiment, the triggering device 22 may be implemented by a key, a knob, a virtual key, a touch screen, or the like. The control circuit 23 may be implemented by a main controller, such as an MCU, a DSP (DIGITAL SIGNAL Process, digital signal processing Chip), an FPGA (FieldProgrammable GATE ARRAY, programmable gate array Chip), a PLC, an SOC (System On Chip), or the like. The switching device 24 may be formed using a switching array including a plurality of switching transistors, relays, contactors, and the switching transistors may be implemented using MOS transistors, IGBT transistors, thyristors, transistors, or the like. Specifically, in practical application, the user may trigger the triggering device 22 to make it output a corresponding triggering signal. For example, when the triggering device 22 is a touch screen and the user wants to use the mains supply, the touch screen can touch a touch area corresponding to the "mains supply" on the touch screen, and the touch screen outputs a corresponding triggering signal to the control circuit 23, so that the control circuit 23 controls the switching device 24 to conduct the path between the load access terminal and the mains supply access terminal.

It will be appreciated that in another embodiment, the output switching device 20 further comprises:

The wireless communication module 25, the wireless communication module 25 is electrically connected with the control circuit 23 and is used for accessing the wireless control signal sent by the external terminal; the control circuit 23 is configured to control the switching device 24 to conduct a path between the load access terminal and the mains supply access terminal or to conduct a path between the load access terminal and the voltage output terminal according to the wireless control signal.

In this embodiment, the wireless communication module 25 may be implemented by a WIFI communication module, a bluetooth communication module, a 4G/5G communication module, a lan communication module, or the like. The user can control the external terminal, such as a mobile phone or a corresponding APP on a tablet, so that the external terminal sends a corresponding wireless control signal to the control circuit 23 through the wireless communication module 25, and when the control circuit 23 receives the wireless control signal, the control switch device 24 is correspondingly controlled to act according to the wireless control signal. For example, when the user wants to use battery power, the external terminal is operated to output a corresponding wireless control signal to the wireless communication module 25, and the control circuit 23 controls the switching device 24 to conduct the path between the load access terminal and the voltage output terminal when receiving the wireless control signal via the wireless communication module 25. So, in practical application, if current commercial power outage leads to the indoor dark environment, the user need not to fumbly to control domestic energy storage equipment, only need through controlling self external terminal, can realize long-range power supply switching, has improved the convenience of domestic energy storage equipment that the user used. It will be appreciated that the output switching device 20 described above may provide an operating voltage from a battery within a domestic energy storage device.

In summary, the household energy storage equipment is directly integrated with the distribution connection circuit inside the household energy storage equipment, and a user does not need to purchase the distribution box and wire the distribution box and the household energy storage equipment independently, so that the safety and convenience of using the household energy storage equipment by the user are effectively improved. Meanwhile, the user can also select to directly supply power to the accessed load by triggering the output switching device 20 to select the current commercial power, or supply power to the accessed load after the power management device 10 in the household energy storage equipment converts and outputs the voltage provided by the battery and/or the photovoltaic module, so that the power consumption requirement of the user is met, and meanwhile, the convenience of the user for operating the household energy storage equipment to switch the power supply of the load is improved.

The utility model provides household energy storage equipment, which comprises a power management device 10, wherein the power management device 10 is provided with an alternating current input end, a voltage output end, a battery connection end and a photovoltaic connection end, and the household energy storage equipment also comprises a load access end, a mains supply access end, a battery access end, a photovoltaic access end and an output switching device 20. The load access terminal is used for accessing a load; the mains supply access terminal is used for accessing mains supply voltage and is electrically connected with the alternating current input terminal; the battery access end is used for accessing a battery and is electrically connected with the battery connection end; the photovoltaic access end is used for accessing the photovoltaic module and is electrically connected with the photovoltaic connection end; the output switching device 20 is used for conducting a path between the load access terminal and the mains supply access terminal or a path between the load access terminal and the voltage output terminal when triggered. The household energy storage equipment is directly integrated with the distribution connection circuit inside, and a user does not need to purchase the distribution box and wire the distribution box and the household energy storage equipment independently, so that the safety and convenience of using the household energy storage equipment by the user are effectively improved. Meanwhile, the user can also select to directly supply power to the accessed load by triggering the output switching device 20 to select the current commercial power, or supply power to the accessed load after the power management device 10 in the household energy storage equipment converts and outputs the voltage provided by the battery and/or the photovoltaic module, so that the power consumption requirement of the user is met, and meanwhile, the convenience of the user for operating the household energy storage equipment to switch the power supply of the load is improved.

Referring to fig. 5, in an embodiment of the present utility model, the home energy storage device further includes:

The output switch 30, the output switch 30 is connected in series in a path between the output terminal of the output switching device 20 and the load access terminal, and is used to turn on or off the path between the output terminal of the output switching device 20 and the load access terminal when triggered.

In this embodiment, the output switch 30 may be implemented by using a circuit breaker, an air switch, a toggle switch, or the like. Specifically, taking a circuit breaker as an example, a user may switch on or off a path between an output end and a load access end of the output switching device 20 by toggling a toggle member provided on the circuit breaker. Therefore, when a user leaves the device for a long time and needs to turn off the load, the circuit between the output end of the output switching device 20 and the load access end can be disconnected by stirring the stirring piece on the circuit breaker, so that all loads accessed in the home are powered down, and the safety and convenience of using the household energy storage equipment by the user are effectively improved.

Referring to fig. 5, in an embodiment of the present utility model, the home energy storage device further includes:

the mains input switch 40 is connected in series in a path between the mains access terminal and the ac input terminal, and is used to turn on or off the path between the mains access terminal and the ac input terminal when triggered.

In this embodiment, the utility switch can be implemented by the same embodiment as the output switch 30, and the same effect is achieved. In addition, the household energy storage device may further include a safety device connected in series in a path between the mains supply access terminal and the output switching device 20, where the safety device may be implemented by using a self-restorable fuse, a non-self-restorable fuse, or the like, and when a short circuit occurs in a load accessed by the household or a fault causes the current flowing through the safety device to exceed a fuse current value (determined by the selection of a protection device), the path between the mains supply access terminal and the output switching device 20 is automatically disconnected, so as to play a role of protection, and effectively improve the safety of using the household energy storage device by a user.

Referring to fig. 5, in an embodiment of the present utility model, the home energy storage device further includes:

The battery connection switch 50, the battery connection switch 50 is connected in series in the passageway between battery access terminal and battery connection terminal, and is used for switching on or off the passageway between battery access terminal and battery connection terminal when being triggered;

The battery safety device 60, the battery safety device 60 is connected in series in the passageway between battery access terminal and the battery connection terminal, and is used for breaking the passageway between battery access terminal and the battery connection terminal when the electric current flowing through the battery safety device reaches the first preset fusing current.

In the present embodiment, the battery connection switch 50 can be implemented using the same embodiment as the output switch 30 described above, and the same effects are achieved. The battery safety device 60 may be a self-restorable fuse, a non-self-restorable fuse, or the like, or the battery connection switch 50 and the battery safety device 60 may be integrated in the same device, such as a circuit breaker with an overcurrent protection function. In this way, in practical application, the user can select whether to access the battery to the current household energy storage device by triggering the battery connection switch 50, and when the current flowing through the battery safety device 60 reaches the first preset fusing current (determined by the type selection of the battery safety device 60), the electric connection path between the battery and the household energy storage device can be timely disconnected, so that the situation that the battery is damaged and/or the accessed load is damaged and/or the household energy storage device is damaged due to the overcurrent of the battery is prevented, and the safety and convenience of using the household energy storage device by the user are effectively improved.

Referring to fig. 5, in an embodiment of the present utility model, the home energy storage device further includes:

The photovoltaic input switch 70 is connected in series in a passage between the photovoltaic access terminal and the photovoltaic connection terminal, and is used for switching on or switching off the passage between the photovoltaic access terminal and the photovoltaic connection terminal when triggered;

The photovoltaic safety device 80 is connected in series in a passage between the photovoltaic access terminal and the photovoltaic connection terminal, and is used for disconnecting the passage between the photovoltaic access terminal and the photovoltaic connection terminal when the current flowing through the photovoltaic safety device 80 reaches a second preset fusing current.

In this embodiment, the photovoltaic input switch 70 can be implemented using the same embodiment as the output switch 30 described above, and the same effects can be achieved. The photovoltaic safety device 80 may be a self-restorable fuse, a non-self-restorable fuse, or the like, or the photovoltaic input switch 70 and the photovoltaic safety device 80 are integrated in the same device, such as a circuit breaker with an overcurrent protection function. In this way, in practical applications, the user may select whether to connect the photovoltaic module to the current household energy storage device by triggering the photovoltaic input switch 70. Meanwhile, if the current photovoltaic module fails, the current output to the household energy storage device is overlarge, for example, exceeds the second preset fusing current, the photovoltaic safety device 80 is triggered, so that an electric connection path between the photovoltaic module and the household energy storage device is directly disconnected, and an effect of protecting the photovoltaic module and the household energy storage device is achieved, and damage and even fire caused by overcurrent heating are prevented. Through the arrangement, the safety and convenience of using the household energy storage equipment by a user are effectively improved.

It should be understood that in practical application, the voltage output by the photovoltaic module also has larger fluctuation due to unstable illumination condition. Therefore, in order to prevent the excessive voltage output by the photovoltaic module from affecting the household energy storage device itself and/or the connected load. Referring to fig. 5, in an embodiment of the present utility model, the home energy storage device further includes:

The voltage clamping device 90 is electrically connected with the photovoltaic connecting terminal, and is used for limiting the voltage of the photovoltaic connecting terminal within a preset clamping voltage range.

In this embodiment, the voltage clamping device 90 may be implemented by a zener diode, an anti-surge device, a varistor, or the like. In this way, in practical application, the voltage clamping device 90 can output the photovoltaic module to the power management device 10 within the preset clamping voltage range (determined by the device type selection of the voltage clamping device 90) under the voltage limit, so as to prevent the situation that the power management device 10 is damaged due to the overlarge voltage output by the photovoltaic module, effectively improve the reliability and stability of the operation of the household energy storage device, and further improve the safety of the user using the household energy storage device.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims (7)

1. A household energy storage device comprising a power management apparatus having an ac input, a voltage output, a battery connection, and a photovoltaic connection, the household energy storage device further comprising:

the load access terminal is used for accessing a load;

The mains supply access end is used for accessing a mains supply voltage and is electrically connected with the alternating current input end;

The battery access end is used for accessing a battery and is electrically connected with the battery connection end;

the photovoltaic access end is used for accessing the photovoltaic module and is electrically connected with the photovoltaic connection end;

The output end of the output switching device is electrically connected with the load access end, the first input end of the output switching device is electrically connected with the voltage output end, and the second input end of the output switching device is electrically connected with the mains supply access end;

The output switching device is used for conducting a passage between the load access terminal and the mains supply access terminal or a passage between the load access terminal and the voltage output terminal when triggered;

The output switching device comprises a rotary toggle switch; or the output switching device includes:

the triggering device is used for outputting a corresponding triggering signal when triggered by a user;

The control circuit is electrically connected with the trigger device;

The output end of the switching device is electrically connected with the load access end, the first input end of the switching device is electrically connected with the voltage output end, and the second input end of the switching device is electrically connected with the mains supply access end;

The control circuit is used for controlling the switching device to conduct the passage between the load access terminal and the mains supply access terminal or conduct the passage between the load access terminal and the voltage output terminal according to the trigger signal.

2. The household energy storage device of claim 1, wherein when the output switching means comprises the triggering means, the control circuit, and the switching means, the output switching means further comprises:

The wireless communication module is electrically connected with the control circuit and is used for accessing a wireless control signal sent by an external terminal;

The control circuit is used for controlling the switching device to conduct a passage between the load access terminal and the mains supply access terminal or conduct a passage between the load access terminal and the voltage output terminal according to the wireless control signal.

3. The household energy storage device of any one of claims 1-2, further comprising:

and the output switch is connected in series in a passage between the output end of the output switching device and the load access end and is used for switching on or switching off the passage between the output end of the output switching device and the load access end when triggered.

4. The household energy storage device of any one of claims 1-2, further comprising:

the mains supply input switch is connected in series in a passage between the mains supply access end and the alternating current input end power, and is used for switching on or switching off the passage between the mains supply access end and the alternating current input end power when triggered.

5. The household energy storage device of any one of claims 1-2, further comprising:

The battery connection switch is connected in series in a passage between the battery access end and the battery connection end and is used for switching on or switching off the passage between the battery access end and the battery connection end when triggered;

The battery safety device is connected in series in a passage between the battery access end and the battery connection end, and is used for disconnecting the passage between the battery access end and the battery connection end when the current flowing through the battery safety device reaches a first preset fusing current.

6. The household energy storage device of any one of claims 1-2, further comprising:

The photovoltaic input switch is connected in series in a passage between the photovoltaic access end and the photovoltaic connection end and is used for switching on or switching off the passage between the photovoltaic access end and the photovoltaic connection end when triggered;

The photovoltaic safety device is connected in series in a passage between the photovoltaic access end and the photovoltaic connection end and is used for disconnecting the passage between the photovoltaic access end and the photovoltaic connection end when the current flowing through the photovoltaic safety device reaches a second preset fusing current.

7. The household energy storage device of claim 6, further comprising:

And the voltage clamping device is electrically connected with the photovoltaic connecting end and is used for limiting the voltage of the photovoltaic connecting end within a preset clamping voltage range.