CN220915167U - Inverter structure and energy storage device - Google Patents

Abstract

An embodiment of the present utility model provides an inverter structure and an energy storage device, wherein the inverter structure includes: the box body is internally provided with an installation cavity for accommodating the circuit board; the cover plate is arranged on the first side of the box body in the first direction and is detachably connected with the box body; the first surface is a surface positioned on the first side in the box body, and the projection of the cover plate on the first surface covers the first surface. According to the technical scheme, the cover plate for covering the box body is arranged, so that on one hand, the cover plate provides external protection, the risk of damage to an internal circuit board due to dust, moisture and the like is reduced, and on the other hand, screws for connecting the cover plate and the shell can be arranged on the back of the cover plate, so that the screws or other connecting structures are not exposed on the surface of one side of the cover plate far away from the shell, and the whole inverter structure is improved.

Description

Inverter structure and energy storage device

Technical Field

The utility model relates to the technical field of energy storage, in particular to an inverter structure and an energy storage device.

Background

Currently, an inverter is generally required on an energy storage device to invert the voltage of a battery, so as to meet the voltage conversion requirement of electricity or energy storage. In the related art, the inverter housing is usually assembled by using screws, and an exposed screw structure exists on the outer surface, so that certain potential safety hazards exist in the household or outdoor use scene.

Disclosure of utility model

The present utility model aims to solve at least one of the technical problems existing in the prior art or related art.

In view of this, embodiments of the first aspect of the present utility model provide an inverter structure.

Embodiments of the second aspect of the present utility model provide an energy storage device.

To achieve the above object, an embodiment of a first aspect of the present utility model provides an inverter structure including: the box body is internally provided with an installation cavity for accommodating the circuit board; the cover plate is arranged on the first side of the box body in the first direction and is detachably connected with the box body; the first surface is a surface positioned on the first side in the box body, and the projection of the cover plate on the first surface covers the first surface.

The inverter structure mainly comprises the box body and the cover plate, the main shell of the inverter is the box body, the circuit board is contained in the box body, the circuit board is protected from the external environment, meanwhile, a user can be prevented from touching the circuit board, and the safety is improved. Furthermore, the cover plate is designed to be detachable, which is located at one side of the case. This removability facilitates maintenance, replacement of parts, or other necessary operations. The user can easily open the cover plate to access the circuit board without opening the whole case, which saves time and effort. It should be emphasized that in this solution, the area of the cover plate is larger than the area of the surface with which the box cooperates, i.e. the side of the box, i.e. the part covered by the cover plate, is referred to as the first surface. This surface is the front of the inverter, typically the part of the user that directly interacts with the inverter. By covering this surface, on the one hand the cover plate provides external protection, reduces the risk of dust and moisture etc. that might cause the damage to the internal circuit board, on the other hand the screw for connecting cover plate and casing can be set up at the back of cover plate for the cover plate is kept away from the side surface of casing and is not exposed screw or other connection structure, improves inverter structure's integration.

It is to be added that the cover plate is detachably connected with the box body, and the cover plate can be processed by adopting a metal plate processing mode of planing grooves, so that the edge seam is reduced.

Wherein the first direction is a front-to-back direction of the inverter structure.

In some embodiments, optionally, the method further includes: the connecting side walls are arranged on two sides of the box body in the second direction, and each connecting side wall is provided with at least one connecting interface; wherein the first direction is perpendicular to the second direction.

In the technical scheme, the box is provided with connecting side walls at two sides of the second direction, so that the integral structure of the inverter is formed. These sidewalls are typically used to support, strengthen and connect other components, such as a circuit board. Each of the connection sidewalls is provided with at least one connection interface that is typically used to connect the inverter to other electronic devices or systems, such as a power system, battery, grid or other inverter. These interfaces may transmit power, data, or control signals to ensure proper communication and cooperation of the inverter with other devices.

It should be added that the first direction and the second direction describe the spatial positioning of the inverter. The first direction is perpendicular to the second direction.

In general, the presence of the connection sidewalls and the connection interface increases the versatility of the inverter. Through the connection interface, the inverter can work in conjunction with other devices or systems, which is of paramount importance in hybrid inverters, as it is often necessary to communicate with different power and electronic devices. The design enables the inverter to be more suitable for various application scenes.

In some embodiments, optionally, the method further includes: the side plate is detachably connected with the connecting side wall; the projection of the side plate on the cover plate is positioned in the cover plate.

In this technical scheme, through setting up the curb plate of being connected with connecting the lateral wall can make and form certain space between curb plate and the connecting the lateral wall, can hide the connection interface that is located on the connecting the lateral wall under the effect of curb plate, can't directly see the connection interface on the surface. It is emphasized that on the whole inverter structure, the side plates do not protrude from the outer contour of the inverter structure, namely, the projection of the side plates on the cover plate is positioned in the cover plate, and the side plates are mutually matched with the box body of the inverter, so that the whole appearance is more attractive, and additional protection is provided.

In some aspects, optionally, the side plate comprises: the first sub board is detachably connected with the cover plate, and the second sub board is detachably connected with the connecting side wall; wherein, the first subplate and the second subplate are in a non-zero angle.

In this technical scheme, every curb plate is the folded plate, comprises the first subplate and the second subplate that link to each other and be certain angle, because the both ends of curb plate cooperate with apron and connection lateral wall respectively, this makes daily maintenance and maintenance become easier. The user can easily remove the side plates without completely removing the inverter, which saves time and labor costs. It is added that there is a non-zero angle between two connected sub-boards, which can provide more stability and structural strength to the inverter. This is very helpful to ensure that the inverter remains stable in different installation scenarios.

In some technical schemes, optionally, a first connecting hole is formed in the connecting side wall, a folded edge corresponding to the first connecting hole is formed at one end of the second sub-board, and a second connecting hole is formed in the folded edge; the connecting piece passes through the second connecting hole and is in threaded connection with the first connecting hole.

In this technical scheme, the detachable connection between connection lateral wall and the second daughter board is threaded connection, specifically, through using threaded connection, the connection between connecting piece and the connection lateral wall can be more firm, has reduced the risk of becoming flexible or unexpected separation. This helps ensure that the inverter maintains structural integrity and stability during operation. Although the connection is very secure, the user can still relatively easily disassemble the connecting sidewalls, which is useful for maintenance, replacement of parts or routine maintenance. The user only needs to loosen the threaded connection without having to disassemble the entire side plate, thereby saving time and effort.

This design is also more engineering for the manufacturing and assembly process, as the use of threaded connections can increase production efficiency and reduce assembly time.

It is to be added that the detachable connection between the first sub-board and the cover board can be a clamping connection or a plugging connection, and only a certain positioning effect is achieved.

In some embodiments, optionally, the method further includes: and the grid is arranged on the first sub-board.

In this solution, by providing a grille on the first sub-board, more ventilation space is provided, allowing air to flow freely inside the inverter. This helps to reduce internal temperature, prevent overheating, and improve the efficiency and life of the inverter. The grille may also function to protect the internal circuit board from external objects, such as small animals or debris from entering the interior of the inverter.

It will be appreciated that proper ventilation is critical to the proper operation of the electronic device. The grille provides proper ventilation to ensure that the electronic assembly is at a proper operating temperature.

Overall, the grid design helps to improve the performance, reliability of the inverter, while also helping to ensure its proper operation and reduce maintenance requirements.

It is to be added that the first sub-board is approximately vertical to the second sub-board, the first sub-board is approximately vertical to the cover board, the first sub-board is used as the transverse outline of the whole inverter structure, and the grid is arranged on the first sub-board, so that the entry of sundries can be effectively reduced.

In some embodiments, optionally, the method further includes: and the junction box is connected with at least one of the two connecting side walls, a plurality of wiring structures are arranged on the junction box, one end of each wiring structure is used for being connected with an external wiring harness, and the other end of each wiring structure is used for being electrically connected with the circuit board.

In this technical solution, the main function of the junction box is to connect the circuit board of the inverter and the external harness. This is achieved by a plurality of wiring structures, each connecting an external cable to a respective connection point on the circuit board. This ensures a correct transfer of electrical energy, so that the inverter can be operated in a predetermined manner.

It will be appreciated that the presence of the terminal box facilitates maintenance and repair. If it is necessary to replace damaged parts or to perform maintenance work, it is easier for the technician to find the junction box and perform necessary operations without completely disassembling the inverter.

The junction box may also include some circuit protection elements such as fuses or overcurrent protectors. These components help prevent damage to the inverter and external circuitry from over-current or short-circuiting issues.

In some embodiments, optionally, the method further includes: the heat dissipation hole is formed in at least one wall surface of the box body in the third direction; the first direction is perpendicular to the third direction, and the third direction is perpendicular to the second direction.

In this solution, the heat sink is located on the wall of the tank, allowing the heat to be dissipated from the inside of the inverter to the external environment. This helps to reduce the temperature inside the inverter, maintaining the inverter operating in a suitable temperature range. The inverter generates a certain amount of heat during operation, which may cause overheating if it has to accumulate in a closed box. The louvers provide ventilation opportunities to remove heat, thereby reducing the risk of overheating.

The heat sink helps to improve the stability and performance of the inverter by maintaining the inverter at a suitable operating temperature. This is very important for long-term operation and coping with high loads. Some electronic components are sensitive to high temperatures. Proper heat dissipation can extend the life of these components and reduce the failure rate.

In summary, the heat sink helps to maintain the temperature inside the inverter, improving its stability and reliability, thereby ensuring that the inverter can continue to operate efficiently. This is critical to the performance and life of the inverter.

In some embodiments, optionally, the method further includes: the wireless communication connector is electrically connected with the circuit board, and one end of the wireless communication connector extends out of the box body.

In the technical scheme, the inverter can be connected with an external system or a network through the wireless communication connector to realize remote monitoring and control. This allows the user to monitor the performance and status of the inverter in real time through a smart phone, computer or other device, and to remotely control it, such as on/off, parameter settings, etc. This improves convenience and operability for the user. The wireless communication connector can be used for transmitting data generated by the inverter, such as generated energy, power grid feedback, system state and the like. This is important for real-time data monitoring, recording and analysis so that the user knows the performance of the system and takes the necessary action.

One end of the wireless communication structure extends out of the box body, so that shielding of the box body to signals can be effectively reduced, and normal communication of the signals can be maintained.

Embodiments of the second aspect of the present utility model provide an energy storage device comprising: an inverter structure; at least one battery pack is electrically connected to the inverter structure.

The energy storage device comprises an inverter structure and one or more battery packs, wherein under the action of the inverter structure, electric quantity can be stored in the battery packs, or the electric quantity in the battery packs is used for supplying power to electric equipment connected with the outside.

The energy storage device includes an inverter structure, so the energy storage device has the beneficial effects of any one of the inverter structures in the embodiments of the first aspect, and will not be described herein.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, or may be learned by practice of the utility model.

Drawings

Fig. 1 shows a schematic structural view of an inverter structure according to an embodiment of the present utility model;

fig. 2 shows a schematic structural view of an inverter structure according to an embodiment of the present utility model;

Fig. 3 shows a schematic structure of an energy storage device according to an embodiment of the utility model.

The correspondence between the reference numerals and the component names in fig. 1 to 3 is:

100: an inverter structure; 102: a case; 1022: a mounting cavity; 104: a cover plate; 106: connecting the side walls; 108: a side plate; 1082: a first sub-board; 1084: a second sub-board; 1102: a first connection hole; 1104: a second connection hole; 1106: a connecting piece; 112: a grille; 114: a junction box; 1142: a wiring structure; 116: a heat radiation hole; 118: a wireless communication connector; 120: a jack; 122: a plug;

200: an energy storage device; 202: and a battery pack.

Detailed Description

In order that the above-recited objects, features and advantages of embodiments of the present utility model can be more clearly understood, a further detailed description of embodiments of the present utility model will be rendered by reference to the appended drawings and detailed description thereof. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but embodiments of the utility model may be practiced otherwise than as described herein, and therefore the scope of the utility model is not limited to the specific embodiments disclosed below.

Some embodiments according to the present utility model are described below with reference to fig. 1 to 3.

As shown in fig. 1, the inverter structure 100 provided in this embodiment mainly includes a case 102 and a cover plate 104, where a main housing of the inverter is the case 102, and an installation cavity 1022 is provided inside the case, so that the circuit board can be accommodated, and the circuit board can be protected from the external environment, and meanwhile, a user can be prevented from touching the circuit board, so that the safety is improved. Furthermore, the cover 104 is designed to be detachable, which is located on a first side of the housing 102 in a first direction. This removability facilitates maintenance, replacement of parts, or other necessary operations. The user can easily open the cover 104 to access the circuit board without having to open the entire case 102, which saves time and effort. It should be emphasized that in this embodiment, the area of the cover 104 is larger than the area of the surface of the housing 102 to which the cover is mated, i.e. the side of the housing 102, i.e. the portion covered by the cover 104, is referred to as the first surface. This surface is the front of the inverter, typically the part of the user that directly interacts with the inverter. By covering this surface, the cover plate 104 provides external protection on the one hand, reducing the risk of dust, moisture, etc. that might damage the internal circuit board, and on the other hand, screws for connecting the cover plate 104 and the housing may be provided on the back of the cover plate 104, so that the screws or other connection structures are not exposed on the surface of the side of the cover plate 104 remote from the housing, improving the integrity of the inverter structure 100.

It should be added that the detachable connection between the cover plate 104 and the case 102 can be processed by adopting a metal plate processing mode of planing grooves, so that the edge seam is reduced.

The first direction is a front-rear direction of the inverter structure 100.

In one embodiment, the case 102 is optionally provided with connecting sidewalls 106 on both sides in the second direction, forming an integral structure of the inverter. These sidewalls are typically used to support, strengthen and connect other components, such as a circuit board. Each of the connection sidewalls 106 is provided with at least one connection interface that is typically used to connect the inverter to other electronic devices or systems, such as a power system, battery, grid, or other inverter. These interfaces may transmit power, data, or control signals to ensure proper communication and cooperation of the inverter with other devices.

It should be added that the first direction and the second direction describe the spatial positioning of the inverter. The first direction is perpendicular to the second direction.

In general, the presence of the connecting sidewalls 106 and the connecting interface increases the versatility of the inverter. Through the connection interface, the inverter can work in conjunction with other devices or systems, which is of paramount importance in hybrid inverters, as it is often necessary to communicate with different power and electronic devices. The design enables the inverter to be more suitable for various application scenes.

In one embodiment, optionally, by providing the side plate 108 detachably connected to the connecting side wall 106, a certain space is formed between the side plate 108 and the connecting side wall 106, and the connecting interface located on the connecting side wall 106 can be hidden under the action of the side plate 108, so that the connecting interface cannot be directly seen on the outer surface. It should be emphasized that the side plates 108 do not protrude beyond the outer contour of the inverter structure 100 throughout the inverter structure 100, i.e., the projection of the side plates 108 onto the cover plate 104 is located within the cover plate 104, and the side plates 108 cooperate with the inverter housing 102 to make the overall appearance more attractive while providing additional protection.

In one embodiment, each side panel 108 is optionally a flap, comprised of a first sub-panel 1082 and a second sub-panel 1084 connected at an angle, which facilitates routine maintenance and repair by virtue of the two ends of the side panel 108 mating with the cover panel 104 and the connecting side wall 106, respectively. The user can easily remove the side plates 108 without having to completely remove the inverter, which saves time and labor costs. It is added that there is a non-zero angle between the two connected sub-boards, i.e. the first sub-board 1082 and the second sub-board 1084, which may provide more stability and structural strength to the inverter. This is very helpful to ensure that the inverter remains stable in different installation scenarios.

In one embodiment, optionally, as shown in fig. 2, a first connecting hole 1102 is formed on the connecting sidewall, a folded edge corresponding to the first connecting hole is formed on one end of the second daughter board, and a second connecting hole 1104 is formed on the folded edge; wherein the connector is threaded through the second connector aperture to the first connector aperture such that the releasable connection between the connecting sidewall 106 and the second sub-panel 1084 is a threaded connection. In particular, by using a threaded connection, the connection between the connector 1106 and the connecting sidewall 106 may be stronger, reducing the risk of loosening or accidental separation. This helps ensure that the inverter maintains structural integrity and stability during operation. Although the connection is very secure, the user can still relatively easily disassemble the connecting sidewall 106, which is useful for maintenance, replacement of parts, or routine maintenance. The user need only loosen the threaded connection without having to disassemble the entire side plate 108, thereby saving time and effort.

This design is also more engineering for the manufacturing and assembly process, as the use of threaded connections can increase production efficiency and reduce assembly time.

It should be added that the detachable connection between the side plate 108 and the cover plate 104 may be a clamping connection or a plugging connection, that is, the detachable connection is realized by using the plug 122 located on the first daughter board 1082 and the jack 120 located on the cover plate 104, so long as a certain positioning function is provided.

In one embodiment, optionally, a grille 112 is provided on the first sub-board 1082, providing more ventilation space, allowing air to flow freely into the inverter interior. This helps to reduce internal temperature, prevent overheating, and improve the efficiency and life of the inverter. The grill 112 may also function to protect the internal circuit board from external objects, such as small animals or debris from entering the interior of the inverter.

It will be appreciated that proper ventilation is critical to the proper operation of the electronic device. The grille 112 provides adequate ventilation to ensure that the electronic assembly is at a proper operating temperature.

Overall, the grid 112 design helps to improve the performance, reliability, and also helps to ensure proper operation and reduce maintenance requirements of the inverter.

It should be added that the first sub-board 1082 is approximately perpendicular to the second sub-board 1084, the first sub-board 1082 forms an approximately perpendicular angle with the cover plate 104, the first sub-board 1082 is used as a lateral outline of the entire inverter structure 100, and the grid 112 is disposed on the first sub-board 1082, so as to effectively reduce the entry of impurities.

In one embodiment, optionally, a junction box 114 is also provided at the connecting side wall, the junction box 114 being used to connect the circuit board to an external harness through a plurality of wiring structures 1142 provided. Specifically, the junction box 114 has a main function of connecting the circuit board of the inverter and the external harness. This is achieved by a plurality of wiring structures, each connecting an external cable to a respective connection point on the circuit board. This ensures a correct transfer of electrical energy, so that the inverter can be operated in a predetermined manner.

Wherein the junction box 114 is disposed at least one side of the case 102 in the second direction.

It will be appreciated that the presence of the junction box 114 facilitates maintenance and repair. If it is desired to replace a damaged component or perform maintenance work, it is easier for a technician to find the junction box 114 and perform the necessary operations without completely disassembling the inverter.

The junction box 114 may also include some circuit protection elements, such as fuses or overcurrent protectors. These components help prevent damage to the inverter and external circuitry from over-current or short-circuiting issues.

In one embodiment, optionally, heat dissipating holes 116 are located on the walls of the housing 102, allowing heat to be dissipated from the interior of the inverter to the external environment. This helps to reduce the temperature inside the inverter, maintaining the inverter operating in a suitable temperature range. The inverter may generate some heat during operation, which may cause overheating if it has to accumulate in the closed housing 102. The louvers 116 provide ventilation opportunities to remove heat, thereby reducing the risk of overheating.

The heat sink 116 helps to improve the stability and performance of the inverter by maintaining the inverter at a suitable operating temperature. This is very important for long-term operation and coping with high loads. Some electronic components are sensitive to high temperatures. Proper heat dissipation can extend the life of these components and reduce the failure rate.

In summary, the heat sink 116 helps to maintain the temperature inside the inverter, improving its stability and reliability, thereby ensuring that the inverter can continue to operate efficiently. This is critical to the performance and life of the inverter.

It should be added that the heat dissipation hole 116 is disposed on a wall surface of the case 102 in a third direction, and the third direction may be a height direction of the overall structure, which is perpendicular to both the first direction and the second direction.

In one embodiment, the louvers 116 are disposed on a single wall of the housing 102, such as an upper wall or a lower wall. As shown in fig. 2, the heat dissipation hole 116 is provided on the upper wall surface of the case 102.

In another embodiment, the heat dissipation holes 116 are provided on both the upper and lower walls of the case 102.

In one embodiment, the inverter may optionally be connected to an external system or network via wireless communication connection 118 for remote monitoring and control. This allows the user to monitor the performance and status of the inverter in real time through a smart phone, computer or other device, and to remotely control it, such as on/off, parameter settings, etc. This improves convenience and operability for the user. The wireless communication link 118 may be used to transmit inverter generated data such as power generation, grid feedback, system status, etc. This is important for real-time data monitoring, recording and analysis so that the user knows the performance of the system and takes the necessary action.

By extending one end of the wireless communication structure out of the box 102, shielding of the box 102 to signals can be effectively reduced, and normal communication of the signals can be maintained.

As shown in fig. 3, the present embodiment provides an energy storage device 200, which includes an inverter structure 100 and one or more battery packs 202, and can store electric energy into the battery packs 202 or supply power to externally connected electric devices by using the electric energy in the battery packs 202 under the action of the inverter structure 100.

Since the energy storage device 200 includes the inverter structure 100, the energy storage device has the beneficial effects of any of the inverter structures 100 in the embodiments of the first aspect, and will not be described herein.

In one particular embodiment, as shown in FIG. 1, a tank is included; an upper cover (i.e., a cover plate) provided at a front side of the case; a side plate (i.e., a connecting side wall) provided on the case; the junction box is arranged on the side face of the box body; the radiator and the inductance box are arranged on the box body; hole plugs (i.e., side plates).

The design has 6 faces in appearance, the front view is the front of the product, the upper side of the upper cover is designed with an R angle, the lower side door of the upper cover is designed with a gouging, the R angle of the corner is very small, the front is blank, and the logo can be silk-screened, so that the design is simplified.

The appearance is designed without screws, and the front surface of the main visible surface and the left, right, upper and lower side surfaces are all screws;

the box body and the upper cover are fixed, the upper cover is larger than the box body, and the screw is screwed from the position of the box body to the upper cover.

All terminals which are externally output are arranged on the junction box and then arranged on the equipment box body, so that the efficiency is greatly improved, the requirements of the external output terminals in different areas are different, and the junction box is convenient to change in later period;

the side cover plates are respectively positioned at the left side and the right side of the equipment. The insertion hole is used for installation.

And the hole plug is used for plugging the process hole after the side plate is installed.

According to the inverter structure and the energy storage device provided by the utility model, the cover plate for covering the box body is arranged, so that on one hand, the cover plate provides external protection, the risk of damage to an internal circuit board caused by dust, moisture and the like is reduced, and on the other hand, the screw for connecting the cover plate and the shell can be arranged on the back of the cover plate, so that the screw or other connecting structures are not exposed on the surface of one side of the cover plate far away from the shell, and the integral of the inverter structure is improved.

In the present utility model, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more, unless expressly defined 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 connected; "coupled" may be directly coupled or indirectly coupled through intermediaries. 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 description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "rear", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or units referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model.

In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, 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 present utility model. In this specification, schematic representations of the above terms do not necessarily refer 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.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. An inverter structure, comprising:

The box body is internally provided with a mounting cavity for accommodating the circuit board;

The cover plate is arranged on the first side of the box body in the first direction and is detachably connected with the box body;

The surface of the box body, which is positioned on the first side, is a first surface, and the projection of the cover plate on the first surface covers the first surface.

2. The inverter structure of claim 1, further comprising:

The connecting side walls are arranged on two sides of the box body in the second direction, and each connecting side wall is provided with at least one connecting interface;

wherein the first direction is perpendicular to the second direction.

3. The inverter structure of claim 2, further comprising:

The side plate is detachably connected with the connecting side wall;

the projection of the side plate on the cover plate is positioned in the cover plate.

4. The inverter structure of claim 3 wherein the side plates comprise:

The first sub board is detachably connected with the cover plate, and the second sub board is detachably connected with the connecting side wall;

wherein, the angle that is non-zero between first subplate and the second subplate.

5. The inverter structure according to claim 4, wherein a first connecting hole is formed in the connecting side wall, a folded edge corresponding to the first connecting hole is formed at one end of the second sub-board, and a second connecting hole is formed in the folded edge;

The connecting piece passes through the second connecting hole and is in threaded connection with the first connecting hole.

6. The inverter structure of claim 4, further comprising:

and the grid is arranged on the first daughter board.

7. The inverter structure of claim 2, further comprising:

The junction box is connected with at least one of the two connecting side walls, a plurality of wiring structures are arranged on the junction box, one end of each wiring structure is used for being connected with an external wire harness, and the other end of each wiring structure is used for being electrically connected with the circuit board.

8. The inverter structure of claim 2, further comprising:

the heat dissipation hole is formed in at least one wall surface of the box body in the third direction;

the first direction is perpendicular to the third direction, and the third direction is perpendicular to the second direction.

9. The inverter structure according to any one of claims 1 to 8, further comprising:

And the wireless communication connector is electrically connected with the circuit board, and one end of the wireless communication connector extends out of the box body.

10. An energy storage device, comprising:

The inverter structure of any one of claims 1 to 9;

At least one battery pack is electrically connected with the inverter structure.