CN220368246U - Grounding structure and energy storage air conditioner - Google Patents

Abstract

The utility model relates to the technical field of EMC (electro magnetic compatibility) treatment of electric appliances, in particular to a grounding structure and an energy storage air conditioner. The grounding structure is used for electrical equipment comprising a shell, wherein the electrical equipment comprises a grounding wire, an EMC processing device and a connecting device, the grounding wire comprises a first wire and a second wire which are electrically connected, the first wire is arranged in the shell, and the second wire is arranged outside the shell; the EMC processing device is arranged on the first wire, the connecting device is arranged on the shell and insulated from the shell, one end of the first wire is electrically connected with the shell, and the other end of the first wire is electrically connected with the second wire through the connecting device. The energy storage air conditioner comprises the grounding structure. The utility model provides a grounding structure and an energy storage air conditioner, which are used for relieving the technical problems that in the prior art, an EMC processing device is required to be additionally arranged during the installation of the energy storage air conditioner, the installation process is complicated, and meanwhile, the unreliability of the EMC processing device is increased.

Description

Grounding structure and energy storage air conditioner

Technical Field

The utility model relates to the technical field of EMC (electro magnetic compatibility) treatment of electric appliances, in particular to a grounding structure and an energy storage air conditioner.

Background

With the deep development of the energy storage industry, the application of air conditioner temperature control is more and more extensive, and the energy storage industry is in the stage of technology development at present, so that the product of the air conditioner temperature control is also required to be perfected continuously. The energy storage air conditioner is typically mounted within a container or cabinet, and the ground wire of the air conditioner is electrically connected from the air conditioner housing to the general ground bar of the container or cabinet. Referring to fig. 1 and 2, fig. 1 is a schematic structural diagram of an energy storage air conditioner in the prior art, fig. 2 is an enlarged partial structural diagram of the energy storage air conditioner shown in fig. 1, and when the air conditioner is installed, a grounding wire 2 'needs to be led out from a grounding end 3' on the outer surface of the air conditioner shell 1 'for being electrically connected to a total grounding row of a container or a cabinet, so as to realize grounding protection of the air conditioner shell 1'.

Among them, the grounding wire 2 'may have an influence on other devices in the container or the cabinet if it is not subjected to EMC (Electromagnetic Compatibility ) treatment, so it is particularly important to perform EMC treatment on the grounding wire 2'. Referring to fig. 3, fig. 3 is a schematic diagram of EMC processing on the ground wire 2' in the prior art, and an EMC processing device 4' is required to be disposed on the ground wire 2', and the EMC processing device 4' can suppress and filter the overvoltage in the ground wire 2' above a specific voltage value, so as to reduce the interference caused by the overvoltage on other devices. In the process of implementing the present utility model, the inventor finds that at least the following technical problems exist in the prior art: the existing EMC processing device is exposed outside the air conditioner, and the step of installing the EMC processing device is independently added when the air conditioner is installed, so that the installation process is complicated, and meanwhile, the unreliability of the EMC processing device is increased.

Therefore, the application provides a novel grounding structure and an energy storage air conditioner aiming at the problems.

Disclosure of Invention

The utility model aims to provide a grounding structure so as to relieve the technical problems that at least the step of installing an EMC processing device is needed to be added when an energy storage air conditioner is installed in the prior art, the installation process is complicated, and meanwhile, the unreliability of the EMC processing device is increased.

The utility model also aims to provide the energy storage air conditioner so as to further relieve the technical problems that at least the step of installing the EMC processing device is required to be added when the energy storage air conditioner is installed in the prior art, so that the installation process is complicated, and meanwhile, the unreliability of the EMC processing device is increased.

Based on the first object described above, the present utility model provides a grounding structure for an electrical apparatus including a housing, the grounding structure comprising:

the grounding wire comprises a first wire and a second wire which are electrically connected, the first wire is arranged inside the shell, and the second wire is arranged outside the shell;

an EMC processing device mounted on the first wire; and

the connecting device is arranged on the shell and is electrically insulated from the shell, one end of the first wire is electrically connected with the shell, and the other end of the first wire is electrically connected with the second wire through the connecting device.

Further, the connecting device comprises a first joint, a first adapter plate, a second adapter plate and a second joint, wherein the first joint is mechanically and electrically connected with the first adapter plate, at least one part of the first joint is arranged in the shell, the first adapter plate is mechanically and electrically connected with the second adapter plate, the second joint is mechanically and electrically connected with the second adapter plate, and the second joint is arranged outside the shell;

the first wire is electrically connected to the first connector, and the second wire is electrically connected to the second connector.

Further, the connecting device further comprises a fixed connecting piece, and the first adapter plate is mechanically and electrically connected with the second adapter plate through the fixed connecting piece.

Further, the fixed connecting piece is a threaded connecting piece;

the first connector is a first stud, and the first stud is mechanically and electrically connected with the first adapter plate through a first nut; and/or the second joint is a second stud, and the second stud is mechanically and electrically connected with the second adapter plate through a second nut.

Further, the fixed connecting pieces are arranged in a plurality, and the fixed connecting pieces are arranged at intervals.

Further, the first adapter plate is arranged in the shell, and a first insulating piece is arranged between the first adapter plate and the shell; and/or, the second adapter plate is arranged outside the shell, and a second insulating piece is arranged between the second adapter plate and the shell.

Further, the first insulator makes a distance between the first adapter plate and the housing greater than 10mm, and/or the second insulator makes a distance between the second adapter plate and the housing greater than 10mm.

Further, the first insulator and/or the second insulator enables a distance between the fixed connector and the housing to be greater than 6mm.

Further, the shell is provided with an inner cavity and a through hole communicated with the inner cavity;

the first insulating piece is provided with first draw-in groove, the second insulating piece is provided with the second draw-in groove, first draw-in groove with the second draw-in groove forms the spacing groove jointly, first insulating piece with the second insulating piece all inserts and locates the through-hole, just the casing card is located the spacing groove.

By adopting the technical scheme, the grounding structure has at least the following beneficial effects:

in this embodiment, the electrical device is, for example, an energy storage air conditioner, a large power supply, or an energy storage power station, and electromagnetic radiation generated by the ground wire can interfere with human bodies and other electrical products that normally work, so EMC processing needs to be performed on the ground wire, and the energy storage air conditioner will be described below as an example of the electrical device.

In the grounding structure of this embodiment, the first wire is connected through connecting device electricity with the second wire, and the one end of first wire is connected with the casing electricity of energy storage air conditioner, and the one end that connecting device was kept away from to the second wire is used for being connected with the total ground row electricity of outside to the casing of energy storage air conditioner loops through first wire, connecting device and second wire and total ground row electricity to be connected, has realized the casing of energy storage air conditioner and total ground row electricity to be connected, carries out ground protection for the casing of energy storage air conditioner.

It should be noted that, the second wire is electrically connected with the first wire through the connecting device, so that the grounding wire is assembled into a whole through the connecting device, and because the first wire is electrically connected with the shell of the energy storage air conditioner, after the second wire is electrically connected with the external total grounding bar, the grounding wire can electrically connect the shell of the energy storage air conditioner with the total grounding bar. The first wire is provided with the EMC processing device, the first wire is subjected to EMC processing through the EMC processing device, so that electromagnetic interference of the first wire is reduced, the EMC processing device can also play an EMC processing effect on the second wire electrically connected with the first wire, electromagnetic interference of the second wire can also be reduced, interference of the second wire on normal operation of other equipment is prevented, and in sum, the EMC processing device can carry out EMC processing on the grounding wire formed by the first wire and the second wire, so that electromagnetic interference of the grounding wire is reduced.

In addition, since the EMC processing device is mounted on the first wire and the first wire is disposed inside the housing, the EMC processing device is also disposed inside the housing, so that the energy storage air conditioner having the grounding structure has been EMC processed on the grounding wire of the air conditioner inside the air conditioner. That is, in the grounding structure of the embodiment, the second wire is electrically connected with the first wire through the connecting device, and the first wire is electrically connected with the housing, so that the first wire is used as the extension of the second wire, so that the second wire outside the housing can extend to the inside of the housing, and therefore, the EMC processing device is mounted on the first wire, and also can perform EMC processing on the second wire electrically connected with the first wire, so that the same effect as that in the prior art, the EMC processing device is directly arranged outside the housing to perform EMC processing on the grounding wire outside the housing.

Therefore, the energy storage air conditioner can be set to leave the factory, namely, the inside of the shell is provided with the EMC processing device, so that a customer does not need to additionally operate to carry out EMC processing on a second wire positioned outside the shell when installing the energy storage air conditioner, the step of installing the EMC processing device is not required to be independently added, the installation process of the air conditioner is simplified, and the influence on the normal operation of other equipment caused by the fact that the customer ignores the operation of the EMC processing on the second wire when installing the energy storage air conditioner can be prevented; in addition, the EMC processing device is arranged in the shell, but not exposed outside the shell, so that the EMC processing device is also protected, the service life of the EMC processing device is prolonged, the reliability of the effect of the EMC processing device is improved, and the appearance attractiveness of the energy storage air conditioner is not influenced.

Based on the second object, the present utility model provides an energy storage air conditioner, comprising a housing and the grounding structure;

the first lead of the grounding structure is arranged in the shell, the second lead is arranged outside the shell, one end of the first lead is electrically connected with the shell, and the other end of the first lead is electrically connected with the connecting device.

By adopting the technical scheme, the energy storage air conditioner has at least the following beneficial effects:

by arranging the grounding structure in the energy storage air conditioner, the energy storage air conditioner has all the advantages of the grounding structure, and the details are not repeated here.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and that other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a prior art energy storage air conditioner;

FIG. 2 is an enlarged view of a partial structure of the energy storage air conditioner shown in FIG. 1;

fig. 3 is a schematic diagram of EMC processing on a ground wire of an energy storage air conditioner in the prior art;

fig. 4 is a schematic structural diagram of an energy storage air conditioner according to an embodiment of the present utility model;

FIG. 5 is an enlarged view of a partial structure of the energy storage air conditioner shown in FIG. 4;

fig. 6 is a schematic view of a partial structure of an energy storage air conditioner (view angle inside a casing) according to an embodiment of the present utility model;

fig. 7 is a partial cross-sectional view of an energy storage air conditioner according to an embodiment of the present utility model;

fig. 8 is a schematic structural diagram of a grounding structure according to an embodiment of the present utility model.

Reference numerals:

1' -shell; 2' -grounding wire; 3' -ground terminal; 4' -EMC processing means;

1-a housing; 11-lumen;

2-a first wire;

3-connecting means; 31-a first linker; 32-a first adapter plate; 33-a second adapter plate; 34-a fixed connection;

4-a second wire;

5-a second linker;

6-a first insulating member;

7-a second insulator;

8-end;

9-EMC processing device.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. 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.

In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "center", "upper", "lower", "inner", "outer", etc. are based on the positional or positional relationship 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 apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus 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 relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1

Referring to fig. 5, in combination with fig. 6 and 7, the present embodiment provides a grounding structure for an electrical apparatus including a housing 1, wherein the grounding structure includes a grounding wire, a connecting device 3 and an EMC processing device 9, the grounding wire includes a first conductive wire 2 and a second conductive wire 4 electrically connected, the first conductive wire 2 is disposed inside the housing 1, and the second conductive wire 4 is disposed outside the housing 1. The EMC processing means 9 is mounted on the first conductor 2. The connecting device 3 is disposed on the housing 1 and is electrically insulated from the housing 1, one end of the first wire 2 is electrically connected with the housing 1, and the other end is electrically connected with the second wire 4 through the connecting device 3.

In this embodiment, the electrical device is, for example, an energy storage air conditioner, a large power supply, or an energy storage power station, and electromagnetic radiation generated by the ground wire can interfere with human bodies and other electrical products that normally work, so EMC processing needs to be performed on the ground wire, and the energy storage air conditioner will be described below as an example of the electrical device.

In the grounding structure of this embodiment, the first wire 2 is electrically connected with the second wire 4 through the connecting device 3, and one end of the first wire 2 is electrically connected with the housing 1 of the energy storage air conditioner, and one end of the second wire 4 away from the connecting device 3 is used for being electrically connected with the external total grounding bar, so that the housing 1 of the energy storage air conditioner is electrically connected with the total grounding bar through the first wire 2, the connecting device 3 and the second wire 4 in sequence, the housing 1 of the energy storage air conditioner is electrically connected with the total grounding bar, and the housing 1 of the energy storage air conditioner is subjected to grounding protection.

It should be noted that, the second wire 4 is electrically connected with the first wire 2 through the connection device 3, so that the ground wire is assembled into a whole through the connection device 3, and since the first wire 2 is electrically connected with the housing 1 of the energy storage air conditioner, when the second wire 4 is electrically connected with the external total ground bar, the ground wire can electrically connect the housing 1 of the energy storage air conditioner with the total ground bar. The first wire 2 is provided with the EMC processing device 9, and the EMC processing device 9 is used for EMC processing of the first wire 2 so as to reduce electromagnetic interference of the first wire 2, and the EMC processing device 9 can also play an EMC processing effect on the second wire 4 electrically connected with the first wire 2, and can also reduce electromagnetic interference of the second wire 4, so that interference of the second wire 4 on normal operation of other devices is prevented, and in sum, the EMC processing device 9 can perform EMC processing on a grounding wire formed by the first wire 2 and the second wire 4, thereby reducing electromagnetic interference of the grounding wire.

In addition, since the EMC processing apparatus 9 is mounted on the first wire 2 and the first wire 2 is disposed inside the housing 1, the EMC processing apparatus 9 is also disposed inside the housing 1, so that the energy storage air conditioner having the grounding structure has been subjected to EMC processing on the grounding line of the air conditioner inside the air conditioner. That is, in the grounding structure of the present embodiment, the second wire 4 is electrically connected to the first wire 2 through the connection device 3, and the first wire 2 is electrically connected to the housing 1, so that the first wire 2 is used as the extension of the second wire 4, so that the second wire 4 located outside the housing 1 can extend into the housing 1, and therefore the EMC processing device 9 is mounted on the first wire 2, and can also perform EMC processing on the second wire 4 electrically connected to the first wire 2, so as to achieve the same effect as that in the prior art that the EMC processing device is directly disposed outside the housing to perform EMC processing on the grounding wire disposed outside the housing.

Therefore, the electrical equipment can be set to be shipped from the factory, namely, the EMC processing device 9 is arranged in the shell 1, so that a customer does not need to additionally operate to carry out EMC processing on the second wire 4 positioned outside the shell 1 when installing the energy storage air conditioner, the step of installing the EMC processing device is not required to be independently added, the installation process of the air conditioner is simplified, and the operation of omitting the EMC processing in the second wire 4 when installing the energy storage air conditioner can be prevented from influencing the normal operation of other equipment; in addition, EMC processing apparatus 9 sets up in the inside of casing 1, and not expose outside casing 1, also plays the guard action to EMC processing apparatus 9, has prolonged EMC processing apparatus 9's life, and has improved EMC processing apparatus 9 effect's reliability, also can not influence the outward appearance aesthetic property of energy storage air conditioner.

Optionally, referring to fig. 8, in the present embodiment, the connection device 3 includes a first connector 31, a first adapter plate 32, a second adapter plate 33, and a second connector 5, where the first connector 31 is mechanically and electrically connected to the first adapter plate 32, at least a portion of the first connector 31 is disposed inside the housing 1, the first adapter plate 32 is mechanically and electrically connected to the second adapter plate 33, the second connector 5 is mechanically and electrically connected to the second adapter plate 33, and the second connector 5 is disposed outside the housing 1; the first wire 2 is electrically connected to the first connector 31, and the second wire 4 is electrically connected to the second connector 5.

In this arrangement, the first wire 2 is electrically connected to the second wire 4 through the first connector 31, the first adapter plate 32, the second adapter plate 33 and the second connector 5, and the first wire 2 is electrically connected to the housing 1, for example, as shown in fig. 6 and 7, the terminal 8 is electrically connected to the interior of the housing 1, and the first wire 2 is electrically connected to the housing 1 through the terminal 8, so that after the second connector 5 is electrically connected to the second wire 4, the electrical connection between the second wire 4 and the housing 1 is achieved.

Optionally, with continued reference to fig. 8, in this embodiment, the connection device 3 further includes a fixed connection 34, and the first adapter plate 32 is mechanically and electrically connected to the second adapter plate 33 through the fixed connection 34. By such arrangement, the first conductive wire 2 is electrically connected with the second conductive wire 4 through the first connector 31, the first adapter plate 32, the fixed connector 34, the second adapter plate 33 and the second connector 5, so that the second conductive wire 4 is electrically connected with the housing 1, and after the second conductive wire 4 is electrically connected to the total grounding bar, the current trend of the housing 1 is as follows in sequence: the first conductor 2, the first connector 31, the first connection plate 32, the fixed connection 34, the second connection plate 33, the second connector 5 and the second conductor 4 reach the total ground.

Alternatively, in the present embodiment, the fixing connector 34 is a threaded connector, for example, the fixing connector 34 is a bolt, a stud, a screw, or a screw rod.

Additionally, optionally, the first joint 31 is a first stud, which is mechanically and electrically connected to the first adapter plate 32 by a first nut; alternatively, the second joint 5 is a second stud, and the second stud is mechanically and electrically connected to the second adapter plate 33 through a second nut; alternatively, the first joint 31 is a first stud mechanically and electrically connected to the first adapter plate 32 by a first nut, and the second joint 5 is a second stud mechanically and electrically connected to the second adapter plate 33 by a second nut.

Alternatively, referring to fig. 8, in the present embodiment, a plurality of fixing connectors 34 are provided, and a plurality of fixing connectors 34 are spaced apart. For example, the fixing connector 34 is provided with two, three, four, five, or the like, the number of which is not limited herein, and is selected according to the areas of the first adapter plate 32 and the second adapter plate 33.

By means of the arrangement, the first adapter plate 32 and the second adapter plate 33 are fixed more firmly, the conduction between the first connector 31 and the second connector 5 is stable and reliable, the reliable electric connection between the first lead 2 and the second lead 4 is finally realized, and the EMC processing device 9 is guaranteed to perform effective EMC processing on the grounding wires.

Alternatively, the first adapter plate 32 is disposed inside the housing 1, and the first insulating member 6 is disposed between the first adapter plate 32 and the housing 1; alternatively, the second adapter plate 33 is disposed outside the housing 1, and the second insulator 7 is disposed between the second adapter plate 33 and the housing 1; alternatively, referring to fig. 8, in the present embodiment, the first adapter plate 32 is disposed inside the housing 1, the first insulating member 6 is disposed between the first adapter plate 32 and the housing 1, and the second adapter plate 33 is disposed outside the housing 1, and the second insulating member 7 is disposed between the second adapter plate 33 and the housing 1, so that the first adapter plate 32 and the housing 1 are insulated by the first insulating member 6, and the second adapter plate 33 and the housing 1 are insulated by the second insulating member 7.

For example, the housing 1 is provided with an inner cavity 11, the first adapter plate 32 is disposed on a side of the housing 1 close to the inner cavity 11, and the second adapter plate 33 is disposed on a side of the housing 1 far from the inner cavity 11.

Alternatively, the first insulating member 6 makes the distance L1 between the first adapter plate 32 and the housing 1 greater than 10mm, or the second insulating member 7 makes the distance between the second adapter plate 33 and the housing 1 greater than 10mm, or the first insulating member 6 makes the distance L1 between the first adapter plate 32 and the housing 1 greater than 10mm, and the second insulating member 7 makes the distance between the second adapter plate 33 and the housing 1 greater than 10mm.

For example, referring to fig. 8, the thickness of the first insulating member 6 is 11mm, so that the distance L1 between the first adapter plate 32 and the housing 1 is 11mm; alternatively, the thickness of the first insulating member 6 is 12mm, so that the distance L1 between the first adapter plate 32 and the housing 1 is 12mm; alternatively, the thickness of the first insulating member 6 is 13mm, so that the distance L1 between the first adapter plate 32 and the housing 1 is 13mm or the like. The thickness of the second insulator 7 is 11mm, so that the distance between the second adapter plate 33 and the housing 1 is 11mm; alternatively, the thickness of the second insulating member 7 is 12mm, so that the distance between the second adapter plate 33 and the housing 1 is 12mm; alternatively, the thickness of the second insulator 7 is 13mm, so that the distance between the second adapter plate 33 and the housing 1 is 13mm or the like.

By the arrangement, a large insulation distance is formed between the first adapter plate 32 and the shell 1, a large insulation distance is formed between the second adapter plate 33 and the shell 1, arc discharge between the first adapter plate 32 and the shell 1 and arc discharge between the second adapter plate 33 and the shell 1 are prevented to a certain extent, and the use safety of the grounding structure is ensured.

Optionally, with continued reference to fig. 8, the first insulator 6 and/or the second insulator 7 provide a distance L2 between the fixed connector 34 and the housing 1 of greater than 6mm.

For example, the housing 1 is provided with a through hole communicating with the inner cavity 11, and the first insulating member 6 and/or the second insulating member 7 are disposed in the through hole, so that the distance between the fixed connecting member 34 and the housing 1 is the distance between the fixed connecting member 34 and the wall of the through hole, and the first insulating member 6 and/or the second insulating member 7 make the fixed connecting member 34 be spaced from the wall of the through hole by a distance greater than 6mm. Optionally, the first insulating member 6 and/or the second insulating member 7 makes the distance between the fixed connection 34 and the housing 1 7mm, 8mm, 9mm, 10mm, or the like.

By the arrangement, a large insulation distance is formed between the fixed connecting piece 34 and the shell 1, arc discharge between the fixed connecting piece 34 and the shell 1 is prevented to a certain extent, and the use safety of the grounding structure is further ensured.

Alternatively, referring to fig. 8, in the present embodiment, the housing 1 is provided with a through hole communicating with the inner cavity 11; the first insulating piece 6 is provided with first draw-in groove, and the second insulating piece 7 is provided with the second draw-in groove, and first draw-in groove and second draw-in groove form the spacing groove jointly, and through-hole is all inserted to first insulating piece 6 and second insulating piece 7, and the spacing groove is located to casing 1 card.

After the first adapter plate 32 and the second adapter plate 33 are mechanically and electrically connected, the first insulating piece 6 and the second insulating piece 7 clamped between the first adapter plate 32 and the second adapter plate 33 are fixed with the housing 1, so that the first adapter plate 32 and the second adapter plate 33 are fixed with the housing 1, and finally, the first connector 31 mechanically and electrically connected with the first adapter plate 32 is fixed with the housing 1 and the second connector 5 mechanically and electrically connected with the second adapter plate is fixed with the housing 1, thereby reducing the possibility of damage to the EMC processing device 9 due to transportation and installation.

Example two

The second embodiment provides an energy storage air conditioner, which includes the grounding structure of the first embodiment, and technical features of the grounding structure disclosed in the first embodiment are also applicable to the first embodiment, and technical features of the grounding structure disclosed in the first embodiment are not repeated. Embodiments of the energy storage air conditioner are described in further detail below with reference to the accompanying drawings.

Referring to fig. 4, the energy storage air conditioner provided in this embodiment includes a housing 1 and the above grounding structure, a first conductive wire 2 of the grounding structure is disposed inside the housing 1, a second conductive wire 4 is disposed outside the housing 1, one end of the first conductive wire 2 is electrically connected with the housing 1, and the other end is electrically connected with the second conductive wire 4 through a connecting device 3.

In the energy storage air conditioner, the shell 1 is electrically connected with the total ground bar through the first lead 2, the connecting device 3 and the second lead 4 in sequence, so that the shell 1 of the energy storage air conditioner is electrically connected with the total ground bar, and the shell 1 of the energy storage air conditioner is subjected to ground protection. Wherein, install EMC processing apparatus 9 on the first wire 2, carry out EMC processing for the first wire 2 through EMC processing apparatus 9 to reduce the electromagnetic interference of first wire 2. In addition, after the second connector 5 is mechanically connected with the second wire 4, the second wire 4 is electrically connected with the first wire 2 at the same time, so after the EMC processing device 9 is installed on the first wire 2, the EMC processing device 9 can also play an EMC processing effect on the second wire 4, electromagnetic interference of the second wire 4 is reduced, and interference of the second wire 4 to normal operation of other equipment is prevented.

Wherein, because EMC processing apparatus 9 installs in first wire 2, and first wire 2 sets up in the inside of casing 1, make EMC processing apparatus 9 also set up in the inside of casing 1, consequently this energy storage air conditioner is equipped with EMC processing apparatus 9 promptly inside casing 1, therefore the customer need not extra operation and carries out EMC processing to second wire 4 when installing the energy storage air conditioner, reduced customer's operation, in order to prevent that the customer from neglecting the operation of second wire 4EMC processing when installing the energy storage air conditioner, lead to causing the influence to other equipment normal operating, in addition, EMC processing apparatus 9 sets up in the inside of casing 1, also can not influence the outward appearance aesthetic property of energy storage air conditioner.

The energy storage air conditioner of the present embodiment has the advantage of the grounding structure of the first embodiment, which is described in detail in the first embodiment and is not repeated here.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (10)

1. A grounding structure for an electrical apparatus comprising a housing (1), characterized in that the grounding structure comprises:

the grounding wire comprises a first wire (2) and a second wire (4) which are electrically connected, the first wire (2) is arranged in the shell (1), and the second wire (4) is arranged outside the shell (1);

an EMC processing means (9), said EMC processing means (9) being mounted on said first wire (2); and

the connecting device (3), connecting device (3) set up in on casing (1) and with casing (1) electricity is insulating, the one end of first wire (2) with casing (1) electricity is connected, and the other end is through connecting device (3) with second wire (4) electricity is connected.

2. The grounding structure according to claim 1, characterized in that the connection means (3) comprises a first joint (31), a first adapter plate (32), a second adapter plate (33) and a second joint (5), the first joint (31) being mechanically and electrically connected to the first adapter plate (32), and at least a part of the first joint (31) being arranged inside the housing (1), the first adapter plate (32) being mechanically and electrically connected to the second adapter plate (33), the second joint (5) being mechanically and electrically connected to the second adapter plate (33), and the second joint (5) being arranged outside the housing (1);

the first wire (2) is electrically connected to the first connector (31), and the second wire (4) is electrically connected to the second connector (5).

3. The grounding structure according to claim 2, characterized in that the connection device (3) further comprises a fixed connection (34), the first adapter plate (32) being mechanically and electrically connected to the second adapter plate (33) by means of the fixed connection (34).

4. A grounding structure according to claim 3, characterized in that the fixed connection (34) is a threaded connection;

the first joint (31) is a first stud, and the first stud is mechanically and electrically connected with the first adapter plate (32) through a first nut; and/or the second joint (5) is a second stud, and the second stud is mechanically and electrically connected with the second adapter plate (33) through a second nut.

5. A grounding structure according to claim 3, characterized in that a plurality of said fixed connection members (34) are provided, a plurality of said fixed connection members (34) being arranged at intervals.

6. A grounding structure according to claim 3, characterized in that the first adapter plate (32) is arranged inside the housing (1), and that a first insulation (6) is arranged between the first adapter plate (32) and the housing (1); and/or, the second adapter plate (33) is arranged outside the shell (1), and a second insulating piece (7) is arranged between the second adapter plate (33) and the shell (1).

7. The grounding structure according to claim 6, characterized in that the first insulation (6) provides a distance between the first adapter plate (32) and the housing (1) of more than 10mm and/or the second insulation (7) provides a distance between the second adapter plate (33) and the housing (1) of more than 10mm.

8. The grounding structure according to claim 6, characterized in that the first insulation (6) and/or the second insulation (7) provides a distance between the fixed connection (34) and the housing (1) of more than 6mm.

9. The grounding structure according to claim 6, characterized in that the housing (1) is provided with an inner cavity (11) and a through hole communicating with the inner cavity (11);

the first insulating piece (6) is provided with a first clamping groove, the second insulating piece (7) is provided with a second clamping groove, the first clamping groove and the second clamping groove jointly form a limiting groove, the first insulating piece (6) and the second insulating piece (7) are both inserted into the through hole, and the shell (1) is clamped in the limiting groove.

10. An energy-storage air conditioner characterized by comprising a housing (1) and a grounding structure according to any one of claims 1-9;

the first lead (2) of the grounding structure is arranged in the shell (1), the second lead (4) is arranged outside the shell (1), one end of the first lead (2) is electrically connected with the shell (1), and the other end of the first lead is electrically connected with the connecting device (3).