CN221057572U

CN221057572U - Household energy storage power supply

Info

Publication number: CN221057572U
Application number: CN202322569489.1U
Authority: CN
Inventors: 孟宝军; 朱威; 林琳
Original assignee: Cornex New Energy Co ltd
Current assignee: Cornex New Energy Co ltd
Priority date: 2023-09-19
Filing date: 2023-09-19
Publication date: 2024-05-31
Anticipated expiration: 2033-09-19

Abstract

The household energy storage power supply according to the utility model comprises: the outer shell comprises a first side part, a second side part and a box cover which are arranged in the circumferential direction, wherein the first side part and the second side part are oppositely arranged in the first direction, the thickness direction of the first side part and the thickness direction of the second side part are both the first direction, the thickness direction of the box cover is the second direction, any two of the first direction, the second direction and the up-down direction are mutually perpendicular, the two side sides of the box cover in the first direction are respectively and detachably connected with the first side part and the second side part, the first side part, the second side part and the box cover form a first opening with an open top, and the first side part, the second side part and the box cover form a second opening with an open top in the second direction; the box body assembly comprises an inner box body and a battery assembly, the inner box body is connected with the outer shell, and the battery assembly is located in the inner box body. Therefore, the household energy storage power supply has the advantages of convenience in installation and high safety.

Description

Household energy storage power supply

Technical Field

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

Background

The household energy storage is a small-sized special household energy storage device, and can store redundant energy. Energy storage devices typically employ battery technology, such as lithium ion batteries or lead acid batteries. The inverter converts direct current energy into alternating current energy so as to meet the household electricity demand. The energy management controller is responsible for monitoring the household electricity consumption and determining when to charge or discharge to achieve the best effect. It can help the home to better utilize renewable energy sources such as solar energy and wind energy. These energy sources are often intermittent, so the storage ensures that the home remains in normal operation when the energy supply is inadequate. In the related art, some household energy storage devices are complex to install, the whole group of electric quantity cannot be overlapped, the maintenance is difficult, an ABS plastic shell is mostly adopted, the ABS plastic shell is easy to collide, and the household energy storage device has irreversibility.

Disclosure of utility model

The present utility model aims to solve at least one of the technical problems in the related art to some extent.

To this end, an embodiment of the present utility model proposes a household energy storage power supply.

According to an embodiment of the utility model, a household energy storage power supply comprises:

The outer shell comprises a first side part, a second side part and a box cover which are arranged in the circumferential direction, wherein the first side part and the second side part are arranged oppositely in a first direction, the thickness direction of the first side part and the thickness direction of the second side part are both the first direction, the thickness direction of the box cover is the second direction, any two of the first direction, the second direction and the up-down direction are mutually perpendicular, the two side sides of the box cover in the first direction are respectively and detachably connected with the first side part and the second side part, the first side part, the second side part and the box cover form a first opening with an open top, and the first side part, the second side part and the box cover form a second opening with an open top in the second direction;

The box body assembly comprises an inner box body and a battery assembly, the inner box body is connected with the outer shell body, the battery assembly is located in the inner box body, one side of the inner box body in the second direction is opened so as to form a third opening, the inner box body in the first direction is located between the first side portion and the second side portion, and the box cover is arranged opposite to the third opening and covers the third opening.

Therefore, the household energy storage power supply provided by the embodiment of the utility model has the advantages of convenience in installation and high safety.

In some embodiments, the plurality of box components are stacked in sequence in the up-down direction, and two adjacent inner boxes in the up-down direction are connected through a first connecting bracket, wherein the first connecting bracket is positioned at the side of the inner boxes in the first direction;

The outer shell is a plurality of, and a plurality of the outer shell stacks in proper order in the upper and lower direction, and a plurality of the outer shell one-to-one with a plurality of interior box links to each other, and two that are up and down direction is adjacent first lateral part and two that are up and down direction are adjacent the second lateral part all links to each other through the second linking bridge.

In some embodiments, the household energy storage power supply includes a housing base below the outer housing and the inner housing, the housing base including

The base shell is connected with the corresponding inner box body;

The reinforcing ribs are arranged in the base shell at intervals along the first direction.

In some embodiments, the edge of the inner case adjacent to the case cover is connected to the case cover by bolts;

The bottom of the two sides of the inner box body in the first direction is provided with a base connecting support, and the base connecting support is connected with the base shell of the box body base through bolts.

In some embodiments, the household energy storage power supply comprises a display module assembly, wherein the display module assembly is arranged on the box cover;

The inner side of the box cover is provided with a binding wire bracket and a fire-fighting assembly, and at least part of the fire-fighting assembly is positioned in the inner box body through the third opening.

In some embodiments, each of the first side and the second side comprises

A service frame having a service hole therethrough in the first direction;

The thickness direction of the maintenance panel is the first direction, the maintenance panel is detachably connected with the maintenance frame, and the maintenance panel covers the maintenance hole;

And the bending part is connected with the box cover at the first side of the maintenance frame in the second direction, the second side of the maintenance frame in the second direction is connected with the bending part, the thickness direction of the bending part is the second direction, and the bending part is clamped with the inner box body.

In some embodiments, the two sides of the inner box body in the second direction are both provided with fixing brackets, the fixing brackets are L-shaped, a first part of each fixing bracket is provided with a hanging hole, the first part of each fixing bracket is located on one side of the outer shell body, which is opposite to the box cover, in the second direction, the first part of each fixing bracket extends out of the outer shell body from a corresponding one of the first side part and the second side part, and the expansion bolts can be connected with the wall body through the hanging holes.

In some embodiments, the battery assembly is a plurality of battery assemblies, and the plurality of battery assemblies are arranged at intervals in the up-down direction;

Each battery assembly comprises a battery fixing frame and a plurality of battery cell lithium batteries, wherein the battery cell lithium batteries are fixed in the battery fixing frames, and the battery fixing frames are connected with the inner box body;

And the battery fixing frame is provided with an insulating sheet positioned at the periphery of the battery cell lithium battery.

In some embodiments, the inner case includes a first side plate and a second side plate at both sides of the first direction;

The first side plate is provided with a breaker, a positive electrode connector and a negative electrode connector which are matched with a plurality of battery assemblies;

And the second side plate is provided with a PCB assembly.

In some embodiments, the inner housing is provided with a protective plate assembly adjacent the first side plate, the protective plate assembly including a plurality of harvesting interfaces;

the first side plate and the second side plate are respectively provided with a buckling groove, and handles are arranged in the buckling grooves.

Drawings

Fig. 1 is a schematic diagram of a household energy storage power supply according to an embodiment of the utility model.

Fig. 2 is an exploded view of a household energy storage power supply according to an embodiment of the present utility model.

Fig. 3 is a schematic structural view of an inner case according to an embodiment of the present utility model.

Fig. 4 is a schematic view of the structure of the inner box according to an embodiment of the present utility model.

Fig. 5 is a schematic diagram of a case cover structure according to an embodiment of the present utility model.

Fig. 6 is a schematic view of a base structure of a case according to an embodiment of the present utility model.

Fig. 7 is a schematic view of a battery assembly according to an embodiment of the utility model.

Fig. 8 is a schematic view of a battery assembly according to an embodiment of the utility model.

Reference numerals: the battery pack comprises an inner box body 1, a box cover 2, a box body base 3, a maintenance frame 4, a maintenance panel 5, a fixing support 6, a first connecting support 7, a battery pack 8, a base connecting support 9, a positive connector 10, a negative connector 11, a circuit breaker 12, a left handle 13, an inner box body upper plate 14, a right handle 15, a PCB board assembly 16, a protection board assembly 17, a fixing cylinder 18, an RS485 interface 19, a CAN interface 20, a DRYCONTACT interface 21, an ADD interface 22, a RESET interface 23, a POWER button 24, a display module assembly 25, a fire-fighting assembly 26, a wire binding support 27, a base shell 28, a reinforcing rib 29, a side plate 30, a first side fixing plate 31, a top insulating sheet 32, an aluminum sheet 33, a first side insulating sheet 34, a bottom supporting plate 35, a total positive aluminum sheet 36, a second side fixing plate 31, a total negative aluminum sheet 38, a plastic member 39, a battery 40, and a second side insulating sheet 41.

Detailed Description

Reference will now be made in detail to embodiments of the present utility model, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

A household energy storage power supply according to an embodiment of the present utility model is described below with reference to the accompanying drawings. As shown in fig. 1 to 8, the household energy storage power supply according to the embodiment of the present utility model includes an outer case and a case assembly.

The outer case includes a first side portion, a second side portion, and a cover 2 disposed in the circumferential direction. The first side portion and the second side portion are disposed opposite to each other in the first direction, the thickness direction of the first side portion and the thickness direction of the second side portion are both the first direction, the thickness direction of the cover 2 is the second direction, and any two of the first direction, the second direction, and the up-down direction are perpendicular to each other.

The cover 2 is detachably connected to a first side portion and a second side portion on both sides in the first direction, respectively, the first side portion, the second side portion, and the cover 2 form a first opening that is open at the top, and the first side portion, the second side portion, and the cover 2 form a second opening that is open in the second direction. The first direction may be a front-rear direction and the second direction may be a left-right direction. For example, the first side portion and the second side portion are disposed opposite to each other in the front-rear direction, the first opening is directed upward, both sides of the front direction of the cover 2 are detachably connected to the right side of the first side portion and the right side of the second side portion, respectively, and the second opening is directed leftward.

The box assembly comprises an inner box body 1 and a battery assembly 8, wherein the box body 1 is positioned in an outer shell, and the inner box body 1 is connected with the outer shell. The battery assembly 8 is located in the inner case 1, one side of the inner case 1 in the second direction is opened to form a third opening, the inner case 1 is located between the first side and the second side in the first direction, and the case cover 2 is disposed opposite to the third opening and covers the third opening. For example, the third opening is directed to the right, and the cover 2 is located on the right side of the inner case 1.

The household energy storage power supply according to the embodiment of the utility model facilitates the installation of the battery assembly 8 by providing the third opening on the inner case 1. And the outer case has a first opening and a second opening, so that the parts of the outer case can be reduced, and the inner case 1 can be easily placed in the outer case and connected to the outer case. The inner case 1 can protect the battery assembly 8 so as to improve the safety of the household energy storage power supply, and the outer case can further improve the safety of the household energy storage power supply.

As shown in fig. 1 and 2, in some embodiments, the number of the box components is plural, the number of the outer shells is plural, and the plural outer shells are connected to the plural inner boxes 1 in a one-to-one correspondence.

The plurality of box components are stacked in order in the up-down direction, and two inner boxes 1 adjacent in the up-down direction are connected by a first connection bracket 7, the first connection bracket 7 being located at the side of the inner box 1 in the first direction. Specifically, the first connection bracket 7 is a plate body, the thickness is in a first direction, and connection holes are formed in the upper side and the lower side of the first connection bracket 7. For example, two adjacent inner boxes 1 in the up-down direction are provided with first connecting brackets 7 on both sides in the front-rear direction, the upper part of the first connecting brackets 7 is connected with the inner box 1 located above by means of locking bolts, and the lower part of the first connecting brackets 7 is connected with the inner box 1 located below by means of locking bolts.

The plurality of outer cases are stacked in order in the up-down direction, and two first side portions adjacent in the up-down direction and two second side portions adjacent in the up-down direction are connected by a second connection bracket. Specifically, the second connection brackets are located inside the respective first or second side portions. The upper part of the second connecting bracket is connected with the first side part (or the second side part) positioned above through a bolt, and the lower part of the second connecting bracket is connected with the first side part (or the second side part) positioned below through a bolt. Therefore, when the capacity of the household energy storage power supply is expanded, the structures of the box body component and the outer shell are firmer.

As shown in fig. 1, 2 and 6, in some embodiments, the household energy storage power supply includes a housing base 3, the housing base 3 being located below the (lowest) outer housing and the (lowest) inner housing 1, the housing base 3 reducing the risk of water ingress from the battery pack within the inner housing 1.

The case base 3 includes a base housing 28 and a plurality of reinforcing ribs 29.

The base housing 28 is connected to the corresponding (lowermost) inner case 1. Specifically, the bottoms of the two sides of the inner case 1 in the first direction are provided with base connection brackets 9, and the base connection brackets 9 are connected with a base housing 28 of the case base 3 by bolts. The bottom of the base housing 28 is provided with two mounting plates spaced apart in the second direction. For example, the inner casing 1 is provided with a plurality of cylindrical holes, and the base housing 28 is connected to the inner casing 1 at one end and to the outer casing at the other end.

The plurality of reinforcing ribs 29 are provided in the base housing 28 at intervals along the first direction, so that the structural strength of the base housing 28 can be improved. For example, the stiffening ribs 29 are dovetail ribs.

As shown in fig. 3 and 4, in some embodiments, the edge of the inner case 1 adjacent to the case cover 2 is coupled to the case cover 2 by bolts. Specifically, the two sides of the inner box 1 in the first direction include a first side plate and a second side plate, the top of the first side plate and the second side plate is provided with an inner box upper plate 14, and the bottom of the first side plate and the second side plate is provided with an inner box lower plate. The edges of the upper plate body 14, the lower plate body, the first side plate and the second side plate of the inner box body, which are adjacent to the box cover 2, are connected with the box cover 2 through bolts.

In some embodiments, the battery assembly 8 is plural, and the plural battery assemblies 8 are arranged at intervals in the up-down direction. For example, two battery packs 8 are provided in each inner case 1.

As shown in fig. 7 and 8, each battery assembly 8 includes a battery holder and a plurality of battery cells 40, the plurality of battery cells 40 being fixed in the battery holder, the battery holder being connected to the inner case 1. The battery fixing frame is provided with an insulating sheet positioned at the periphery of the battery cell lithium battery 40.

Specifically, the battery assembly 8 includes a bottom support plate 35, a first side fixing plate 31, a second side fixing plate, a side plate 30, a first side insulating sheet 34, a second side insulating sheet 41, a top insulating sheet 32, a plastic part 39, a total positive aluminum row 36, a total negative aluminum row 38, an aluminum row 33, a plurality of square cell lithium batteries 40, and PV foam.

The bottom support plate 35 is provided with a plurality of regular circular through holes, and bolts pass through one end of the through holes to be connected with the inner case 1, and the other end is connected with the side plate 30. The first side fixing plate 31 is provided with a plurality of circular through holes, the two side plates 30 are respectively connected with the first side fixing plate 31, and one side of the first side fixing plate 31 is provided with a folded edge, so that the square battery cell lithium battery 40 is limited. The second side fixed plate below the first side fixed plate 31 is provided with a plurality of circular through holes, the two side plates 30 are respectively connected with the second side fixed plate, and one side of the second side fixed plate is provided with a folded edge, so that the square cell lithium battery 40 is limited.

The side plates 30 are provided with a series of folded edges and circular holes, and are respectively connected with the bottom support plate 35, the first side fixing plate 31, the second side fixing plate and the top insulating plate 32 through the circular holes, the top insulating plate 32 is provided with a plurality of regular circular holes, and is connected with the two side plates 30 through the circular holes, and the first side insulating plate 34 is placed between the square cell lithium battery 40 and the first side fixing plate 31.

The second side insulating sheet 41 is placed between the square cell lithium battery 40 and the second side fixing plate, and the plastic piece 39 is provided with a plurality of positioning columns and a plurality of cylindrical grooves, and the positioning columns are provided with a limiting aluminum row 33, a total positive aluminum row 36 and a total negative aluminum row 38. The square battery cell lithium battery 40 is limited by the cylindrical groove, and the plastic piece 39 is placed on the pole side of the square battery cell lithium battery 40. The total positive aluminum row 36 is L-shaped and welded to the positive electrode of the square cell lithium battery 40. The total negative aluminum row 38 is L-shaped and welded to the negative electrode of the square cell lithium battery 40. The aluminum row 33 is fixed on the pole of the square cell lithium battery 40, one end of the aluminum row is connected with the positive pole of the square cell lithium battery 40, and the other end of the aluminum row is connected with the negative pole of the square cell lithium battery 40. The plurality of square battery cell lithium batteries 40 are connected in series by the plurality of aluminum bars 33, the plurality of square battery cell lithium batteries 40 are regularly arranged, the first side fixing plate 31 and the second side fixing plate are used for fixing the square battery cell lithium batteries 40, and PV foam is placed between the two square battery cell lithium batteries 40 to prevent heat transfer between battery cells.

As shown in fig. 4, in some embodiments, the inner housing 1 is provided with a protective plate assembly 17 adjacent the first side plate, the protective plate assembly 17 including a plurality of harvesting interfaces. Specifically, the protective plate assembly 17 includes a temperature acquisition interface, a signal acquisition interface, a negative polarity interface. The temperature acquisition interface is connected with the acquisition line interface and is used for receiving the temperature of the square battery cell. The signal acquisition interface is connected with the plurality of aluminum bars 33 through a wire harness, receives voltage and current signals of the square battery cell lithium battery 40, and plays a role in protection. The negative polarity interface is connected with the negative electrode of the square cell lithium battery 40 through a wire harness, and the protection plate assembly 17 is arranged on the inner side of the inner box body 1.

As shown in fig. 3, in some embodiments, a breaker 12, a positive connector 10, and a negative connector 11 are provided on the first side plate to mate with the plurality of battery packs 8. Specifically, the positive electrode connector 10 is mounted on the first side plate of the inner case 1 after passing through the groove on the first side plate; the negative electrode connector 11 is arranged on the first side plate after passing through the groove on the first side plate of the inner box body 1; the circuit breaker 12 is mounted on the first side plate of the inner case 1 after passing through the groove on the first side plate.

As shown in fig. 4, in some embodiments, a PCB board assembly 16 is provided on the second side panel. The PCB assembly 16 comprises an RS485 interface 19, a CAN interface 20, an ADD interface 22, a DRY CONTACT interface 21, a RESET interface 23, an RS232 interface and a POWER button 24, which are integrated on a PCB, the POWER button 24 is arranged on the inner box 1, and the PCB assembly 16 is arranged on the inner side of the inner box 1.

As shown in FIG. 3, the first side plate and the second side plate are respectively provided with a buckling groove, and handles are arranged in the buckling grooves. For example, the first side plate is provided with a left handle 13, and the second side plate is provided with a right handle 15.

As shown in fig. 5, the household energy storage power supply includes a display module assembly 25, and the display module assembly 25 is provided on the case cover 2. When there are a plurality of covers 2, a display module assembly 25 is provided on one of the covers 2. The display module assembly 25 includes a display screen mounted inside the inner case cover through a display screen fixing column and a glass sheet fixed outside the case cover.

The inside of the case cover 2 is provided with a binding-wire bracket 27 and a fire fighting assembly 26. At least part of the fire assembly 26 is located within the inner housing 1 through the third opening. The fire fighting assembly 26 includes an aerosol fire extinguishing apparatus mounted inside the case cover 2 through a fire fighting assembly fixing column, and extinguishes rapidly when a fire occurs. The wire binding brackets 27 are horseshoe-shaped brackets, and the wire binding brackets 27 are uniformly distributed on the inner side of the case cover 2 according to the wiring inside the actual battery pack.

As shown in fig. 1 and 2, in some embodiments, each of the first and second sides includes a service frame 4, a service panel 5, and a fold. The bending portion is integrally formed with the maintenance frame 4.

The service frame 4 has a service hole penetrating therethrough in a first direction. The thickness direction of the maintenance panel 5 is the first direction, the maintenance panel 5 is detachably connected with the maintenance frame 4, and the maintenance panel 5 covers the maintenance hole. Thus, after the maintenance panel 5 is removed, maintenance through the maintenance hole can be facilitated, and the maintenance convenience is improved. For example, the service hole is a rectangular hole.

The first side of the maintenance frame 4 in the second direction is connected with the case cover 2 (through bolts), the second side of the maintenance frame 4 in the second direction is connected with a bending part, the thickness direction of the bending part is the second direction, and the bending part is clamped with the inner case body 1. Specifically, a lock catch is provided on one side of the bending portion away from the maintenance frame 4, and the lock catch is clamped in a clamping groove (a first side plate or a second side plate) of the inner box body.

In some embodiments, the two sides of the inner case 1 in the second direction are provided with fixing brackets 6, and the fixing brackets 6 are L-shaped. The first part of the fixing bracket 6 has a hanging hole (waist-shaped groove), the first part of the fixing bracket 6 is located at one side of the outer casing facing away from the case cover 2 in the second direction, the first part of the fixing bracket 6 extends out of the outer casing from a corresponding one of the first side and the second side, and the expansion bolt can be connected with the wall body through the hanging hole. Namely, the household energy storage power supply can be hung on the wall body through the fixing bracket 6.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are 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 the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims

1. A household energy storage power supply, comprising:

2. A household energy storage power supply as claimed in claim 1, wherein,

The plurality of box body components are sequentially stacked in the up-down direction, two adjacent inner box bodies in the up-down direction are connected through a first connecting bracket, and the first connecting bracket is positioned on the side of the inner box body in the first direction;

3. A domestic energy storage power supply according to claim 1 or claim 2, comprising a housing base positioned below the outer housing and the inner housing, the housing base comprising

The base shell is connected with the corresponding inner box body;

4. A household energy storage power supply as claimed in claim 3, wherein,

The edge, adjacent to the box cover, of the inner box body is connected with the box cover through bolts;

5. A household energy storage power supply as claimed in claim 1, wherein,

The household energy storage power supply comprises a display module assembly which is arranged on the box cover;

6. The household energy storage power supply of claim 1, wherein each of the first side and the second side comprises

A service frame having a service hole therethrough in the first direction;

7. The household energy storage power supply according to claim 1, wherein both sides of the inner box body in the second direction are provided with fixing brackets, the fixing brackets are L-shaped, a first part of each fixing bracket is provided with a hanging hole, the first part of each fixing bracket is located on one side of the outer box body, which is opposite to the box cover, in the second direction, the first part of each fixing bracket extends out of the outer box body from a corresponding one of the first side part and the second side part, and an expansion bolt can be connected with a wall body through the hanging hole.

8. A household energy storage power supply as claimed in claim 1, wherein,

The plurality of battery assemblies are arranged at intervals in the up-down direction;

9. A household energy storage power supply as claimed in claim 8, wherein,

The inner box body comprises a first side plate and a second side plate at two sides of the first direction;

And the second side plate is provided with a PCB assembly.

10. A household energy storage power supply as claimed in claim 9, wherein,

The inner box body is provided with a protective plate assembly adjacent to the first side plate, and the protective plate assembly comprises a plurality of collecting interfaces;