CN220776382U

CN220776382U - Electrical device and photovoltaic device

Info

Publication number: CN220776382U
Application number: CN202322169221.9U
Authority: CN
Inventors: 张季; 范纯浆; 马祥茂; 程林
Original assignee: Sungrow Power Supply Co Ltd
Current assignee: Sungrow Power Supply Co Ltd
Priority date: 2023-08-09
Filing date: 2023-08-09
Publication date: 2024-04-12
Anticipated expiration: 2033-08-09

Abstract

The application discloses electrical equipment and photovoltaic equipment belongs to photovoltaic power generation technical field. The electrical device includes: the box body is provided with an installation groove on the inner wall, and a first via hole is formed in the bottom of the installation groove; the electronic device is arranged in the box body; the shielding piece is arranged in the mounting groove and is provided with a through hole corresponding to the first through hole; the circuit connector sequentially penetrates through the first via hole and the through hole and is electrically connected with the electronic device. According to the electrical equipment provided by the embodiment of the application, the shielding piece is arranged to reduce high-frequency noise of the access circuit, reduce electromagnetic interference to the internal circuit of the electrical equipment and improve the working stability of the electrical equipment. Through setting up the mounting groove at the inner wall of box, make shield and box integrated, reduce the invasion to the box inner space, optimize the usage space.

Description

Electrical device and photovoltaic device

Technical Field

The application belongs to the technical field of photovoltaic power generation, and particularly relates to electrical equipment and photovoltaic equipment.

Background

Electromagnetic interference exists on the alternating current, direct current and communication wiring sides of general electric equipment, and the electromagnetic interference of the equipment needs to be improved by adding a shielding piece, but the internal space of the miniature electric equipment is limited, and the electromagnetic interference is serious because the shielding piece cannot be added.

Disclosure of Invention

The present application aims to solve at least one of the technical problems existing in the prior art. Therefore, the application provides the electrical equipment and the photovoltaic equipment, reduces the invasion of the internal space of the electrical equipment while reducing electromagnetic interference, and optimizes the installation space.

In a first aspect, the present application provides an electrical device comprising:

the box body is provided with an installation groove on the inner wall, and a first via hole is formed in the bottom of the installation groove;

the electronic device is arranged in the box body;

the shielding piece is arranged in the mounting groove and is provided with a through hole corresponding to the first through hole;

the circuit connector sequentially penetrates through the first via hole and the through hole and is electrically connected with the electronic device.

According to the electrical equipment, the shielding piece is arranged, so that high-frequency noise of an access circuit can be reduced, electromagnetic interference to an internal circuit of the electrical equipment is reduced, and the working stability of the electrical equipment is improved. Through setting up the mounting groove at the inner wall of box, make shield and box integrated, reduce the invasion to the box inner space, optimize the usage space.

According to one embodiment of the application, the depth of the mounting groove is not less than the thickness of the shield.

According to one embodiment of the application, a seal is provided between the shield and the bottom of the mounting groove.

According to one embodiment of the present application, the case is made of metal or plastic.

According to one embodiment of the application, the line connector is in mating connection with the shield.

According to one embodiment of the present application, the line connector includes:

the shielding device comprises a main body, wherein one end of the main body is provided with a mounting part, the outer surface of the mounting part is provided with external threads, the through hole of the shielding piece is provided with internal threads, and the mounting part penetrates through the shielding piece and is in threaded fit with the shielding piece;

and the conductive piece is arranged on the main body and is electrically connected with the electronic device.

According to one embodiment of the application, the shield is fixedly connected with the mounting groove.

According to one embodiment of the application, the side of the shield facing the first via is bonded to the bottom surface of the mounting groove.

According to one embodiment of the application, the circumference side of the shielding piece is provided with a first connecting structure, the side wall of the mounting groove is provided with a second connecting structure, and the first connecting structure and the second connecting structure are connected in a matched mode.

a main body, wherein one end of the main body is provided with an installation part, and the installation part sequentially penetrates through the first via hole and the through hole;

the matching part is arranged in the box body and is matched and connected with the mounting part;

the conductive piece is arranged on the main body and is electrically connected with the electronic device.

a body formed with a mounting cavity;

the conductive piece is at least partially arranged in the mounting cavity and comprises a fusing part, and one end of the fusing part is used for being electrically connected with the electronic device in the box body.

According to an embodiment of the present application, the fusing part includes:

the first wiring terminal, the fuse link and the second wiring terminal that link to each other in order, first wiring terminal be used for with the binding post electric connection of electronic device, the second wiring terminal be used for being connected with the cable.

In a second aspect, the present application provides a photovoltaic device comprising:

a power generation device;

the electrical device of any one of the above embodiments, wherein the electrical device is electrically connected to the power generation apparatus.

According to the photovoltaic equipment of the embodiment of the application, the shielding piece is arranged to reduce high-frequency noise of the access circuit, interference to the internal circuit of the electrical equipment is reduced, the working stability of the electrical equipment is improved, and the stability of the photovoltaic equipment is further improved in an auxiliary mode. Through setting up the mounting groove at the inner wall of box, make shield and box integrated, reduce the invasion to the box inner space, optimize the usage space.

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

Drawings

The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, wherein:

fig. 1 is a schematic structural diagram of a line connector according to an embodiment of the present disclosure;

fig. 2 is a schematic cross-sectional view of a circuit connector according to an embodiment of the present disclosure;

fig. 3 is a schematic diagram of a second cross-sectional structure of the circuit connector according to the embodiment of the present application;

fig. 4 is a schematic diagram of a connection structure between a circuit connector and an electronic device according to an embodiment of the present disclosure;

fig. 5 is one of schematic structural diagrams of an electrical apparatus provided in an embodiment of the present application;

FIG. 6 is a partial schematic view of FIG. 5 at A;

FIG. 7 is a second schematic structural view of an electrical device according to an embodiment of the present disclosure;

fig. 8 is a partial schematic view at B in fig. 7.

Reference numerals:

the circuit connector 100, the main body 110, the mounting portion 111, the connection portion 112, the mounting cavity 120, the first mounting cavity 121, the second mounting cavity 122, the conductive member 130, the fuse portion 131, the first terminal 131a, the fuse body 131b, the second terminal 131c, the conductor portion 132;

the electrical apparatus 200, the case 210, the inner wall 211, the mounting groove 212, the first via hole 213, the shield 220, the through hole 221, the electronic device 230, and the connection terminal 231.

Detailed Description

Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.

Referring to fig. 1-4, in accordance with some embodiments of the present application, a line connector 100 is provided.

The line connector 100 includes a main body 110 and a conductive member 130, the main body 110 is used for connecting with a connector or an electrical device, the conductive member 130 is mounted on the main body 110, the conductive member 130 is a conductor, and the conductive member 130 can be used for conducting a circuit after the main body 110 is mounted.

The body 110 is formed with a mounting cavity 120, and at least a portion of the conductive member 130 is disposed within the mounting cavity 120. The inside of the main body 110 is formed with a mounting cavity 120, and both ends of the main body 110 may be provided with openings communicating with the mounting cavity 120, so that connection of lines is facilitated. The conductive member 130 may be disposed entirely within the mounting cavity 120, or may partially protrude outside the mounting cavity 120 to the outside of the main body 110 so as to be connected to a connection portion of a connector or to a connection terminal 231 of an electrical device.

The main body 110 may be made of plastic material, such as ABS plastic (Acrylonitrile Butadiene Styrene plastic) or PC (Polycarbonate) plastic, and has low production cost, good mechanical properties and electrical insulation.

It should be noted that, the connector in the present application may be used to cooperate with the circuit connector 100, and a wiring portion may be provided in the connector, and the wiring portion may be connected to and conductive with the conductive member 130, so as to achieve the effect of cooperation connection and conduction of the circuit.

The conductive member 130 includes a fusing part 131, and one end of the fusing part 131 is connected to a connection terminal 231 of the electrical device.

Note that, the melting point of the fusing part 131 is low, and when a large current passes through the fusing part 131, the fusing part 131 melts and breaks to form an open circuit. One end of the fusing part 131 is connected to a connection terminal 231 of the electrical device, and after the fusing part 131 is fused, the connection terminal 231 of the electrical device is disconnected from the line, thereby protecting the electrical device and the line. And the fusing part 131 is integrated on the conductive member 130, so as to reduce the invasion of the internal space of the electrical device and assist in improving the space utilization rate of the internal space of the electrical device.

It will be appreciated that the fusing current of the fusing part 131 is determined according to the rated current of the actual electric device, and is not limited herein.

In practical implementation, the fusing part 131 is integrated on the conductive member 130 of the line connector 100, and when in use, only the line connector is required to be connected with an electrical device, so that the influence on the internal space of the electrical device is small, the structure is simple, and when the loop current exceeds the fusing threshold of the fusing part 131, the fusing part 131 fuses to protect the electrical device and the line.

According to the line connector 100 provided by the embodiment of the application, the fusing part 131 is arranged on the conductive piece 130, so that the fusing part 131 and the line connector 100 are integrated, when the loop current exceeds the threshold value, the fusing part 131 is disconnected to protect an electric device and a line, so that the internal space of the electric device is little occupied, the space utilization rate is improved, the structure is simple, the production cost is reduced, and the popularization is convenient.

According to some embodiments of the present application, as shown in fig. 3, a body 110 portion of the fusing part 131 may be provided within the mounting cavity 120. Through setting up the main part 110 part of fusing part 131 in installation cavity 120, make main part 110 can play certain guard action to the main part 110 part of fusing part 131, in the transportation, be difficult to take place to damage, promote the finished product quality.

The main body 110 of the fusing part 131 is a part that can be fused in the fusing part 131.

According to some embodiments of the present application, as shown in fig. 3, the mounting cavity 120 may include a first mounting cavity 121 and a second mounting cavity 122 distributed in a direction in which the conductive member 130 extends, and a cross-sectional size of the first mounting cavity 121 may be larger than a cross-sectional size of the second mounting cavity 122.

The first installation cavity 121 is connected with the second installation cavity 122, and the opening at both ends of the main body 110 is respectively communicated with the first installation cavity 121 and the second installation cavity 122, wherein the first installation cavity 121 is close to the electric device, and in the extending direction of the conductive piece 130, the cross section size of the first installation cavity 121 is larger than the cross section size of the second installation cavity 122, so that the conductive piece 130 is installed from the first installation cavity 121 to the direction of the second installation cavity 122, and the production efficiency is improved.

According to some embodiments of the present application, as shown in fig. 3, a main body portion of the fusing part 131 may be provided within the second mounting cavity 122.

In this embodiment, the main body of the fusing part 131 is disposed in the second mounting cavity 122, and the size of the second mounting cavity 122 is slightly larger than that of the main body of the fusing part 131, so that the fusing part 131 can be effectively protected, the fusing part 131 is prevented from being broken, and the probability of damaging the fusing part 131 in the transportation and mounting processes is reduced.

In some embodiments, the main body portion of the fusing part 131 may be disposed in the first mounting cavity 121, and the assembly operation is simple.

According to some embodiments of the present application, as shown in fig. 1 and 2, the conductive member 130 may further include a conductor portion 132, one end of the conductor portion 132 may be connected to the fusing portion 131, the other end of the conductor portion 132 may be used for connection to a cable, the conductor portion 132 may be disposed in the mounting cavity 120, and a portion of the main body 110 of the fusing portion 131 may be disposed outside the main body 110.

The conductive member 130 may include a conductive portion 132, where the conductive portion 132 is made of a conductive material, the conductive portion 132 may be disposed in the mounting cavity 120, one end of the conductive portion 132 is connected to the fuse portion 131, and the other end of the conductive portion 132 may be connected to a cable or a connector of a circuit.

In this embodiment, the main body 110 of the fusing part 131 may be disposed outside the main body 110, so that the fusing part 131 is conveniently connected to the connection terminal 231 of the electrical device. The fusing part 131 is connected with the circuit through the conductor part 132 in the mounting cavity 120, so that transformation is convenient on the basis of the original circuit connector 100, and the transformation is simple, low in cost and easy to popularize.

According to some embodiments of the present application, the connection manner between the conductor portion 132 and the fusing portion 131 may be at least one of the following:

first, the conductor portion 132 and the fuse portion 131 may be welded to each other.

In the present embodiment, the conductor portion 132 and the fuse portion 131 are made of a material that can be welded, and the welded structure has high strength, stable connection, and good electrical conductivity.

Second, the conductor portion 132 and the fuse portion 131 can be screwed.

In this embodiment, the threaded connection portions 112 may be formed on the conductor portion 132 and the fuse portion 131, respectively, so that the fuse portion 131 and the conductor portion 132 are directly screwed together, and the connection is stable and easy to detach and replace.

Third, the conductor portion 132 and the fuse portion 131 may be snap-connected.

In this embodiment, a fastening structure may be disposed between the conductor portion 132 and the fuse portion 131, and illustratively, a fastening groove is disposed on the conductor portion 132, and a fastening portion is disposed on the fuse portion 131, where the fastening portion may be fastened with the fastening groove to implement connection, and the connection structure is simple, and the connection speed is fast and easy to detach and replace.

Fourth, the conductor portion 132 and the fuse portion 131 can be pressure-bonded.

In the present embodiment, the conductor 132 and the fuse 131 may be first partially overlapped, and the conductor 132 and the fuse 131 may be fixedly connected by extrusion, which facilitates production.

According to some embodiments of the present application, as shown in fig. 1 and 2, the mounting cavity 120 may include a first mounting cavity 121 and a second mounting cavity 122 distributed in the extending direction of the conductive member 130, the cross-sectional size of the first mounting cavity 121 may be larger than the cross-sectional size of the second mounting cavity 122, and the junction of the fusing part 131 and the conductor part 132 may be located within the first mounting cavity 121.

In this embodiment, the connection between the fusing part 131 and the conductor part 132 is disposed in the first mounting cavity 121, so that the fusing part 131 and the conductor part 132 are connected, the production efficiency is improved, and the maintenance difficulty is reduced.

According to some embodiments of the present application, as shown in fig. 1, 2 and 4, the fusing part 131 may include a first terminal 131a, a fuse link 131b and a second terminal 131c connected in sequence. The first terminal 131a is for connection with a connection terminal 231 of an electrical device, and the second terminal 131c is for connection with a cable.

The first terminal 131a and the second terminal 131c are respectively connected to two ends of the fuse link 131b, the fuse link 131b is the main body 110 of the fuse part 131, and the fuse link 131b fuses when the passing current exceeds the fusing threshold value, so as to play a role of protecting a circuit. By providing the first terminal 131a to be connected with the connection terminal 231 of the electrical device and the second terminal 131c to be connected with the cable, the installation of the fuse link 131b is facilitated. The second terminal 131c may be connected to a cable or a connection portion of a connector.

According to some embodiments of the present application, the fuse link 131b may be in at least one of the following various forms.

In one example, the fuse link 131b may be in a wire-like arrangement; in another example, the fuse link 131b may be in a rod-like arrangement; in yet another example, the fuse link 131b may be provided in a sheet shape. The specific form of the fuse link 131b is not limited herein.

According to some embodiments of the present application, the conductor portion 132 may be in at least one of the following various forms.

In one example, the conductor portion 132 may be in a filiform arrangement; in another example, the conductor portion 132 may be provided in a rod shape; in yet another example, the conductor portion 132 may be provided in a sheet-like form. The specific form of the conductor portion 132 is not limited herein.

According to some embodiments of the present application, as shown in fig. 1, both ends of the main body 110 may be provided with a mounting portion 111 and a connection portion 112, respectively, the mounting portion 111 may be used to connect with a case 210 of an electrical device, and the connection portion 112 may be used to connect with a connector.

In this embodiment, the two ends of the main body 110 are respectively provided with the mounting portion 111 and the connecting portion 112, and the main body 110 of the line connector 100 is relatively fixed to the box 210 of the electrical device by the cooperation of the mounting portion 111 and the box 210 of the electrical device, so that the line connector 100 and the electrical device are integrated, the subsequent wiring operation is facilitated, and the breakage of the conductive member 130 caused by shaking of the line connector 100 is avoided.

The connector can be connected with the connector through the connecting part 112, and when the connector is used, the connector can be directly matched with the connecting part 112, so that the connector can be assembled with an external circuit, the operation is simple, and the connection is stable.

For example, the mounting portion 111 may be provided as a screw connection structure, and the mounting portion 111 is screw-coupled with the case 210 to achieve connection. Alternatively, the mounting portion 111 may be a snap-fit structure, and the mounting portion 111 is snapped into engagement with the case 210.

For example, the connection portion 112 may be configured as a threaded connection structure, and the connection portion 112 is screwed with the connector to achieve connection. Alternatively, the connection portion 112 may be a snap-fit structure, and the connection portion 112 is snapped with the connector.

Embodiments of the present application also provide a photovoltaic apparatus comprising an electrical device and a line connector 100 as in any of the embodiments described above.

The electric device is provided with a wiring terminal 231, and the wiring terminal 231 is used for being connected with a circuit to enable the electric device to be conducted with the circuit, so that electricity consumption or discharge is achieved. One end of the fusing part 131 of the line connector 100 is electrically connected with the connection terminal 231, and the operation is simple only by connecting the line connector 100 with the line connector when in use.

According to the photovoltaic equipment of the embodiment of the application, through setting up the line connector 100, the line connection of the electric device in the photovoltaic equipment of being convenient for, through making fusing portion 131 and line connector 100 integrated setting, when return circuit current exceeds the threshold value, fusing portion 131 disconnection plays the effect of protection electric device and circuit, and it is few to the electric device inner space invasion, promotes space utilization, and simple structure, reduction in production cost, facilitate promotion.

In some embodiments, the connection manner of one end of the fusing part 131 of the line connector 100 and the connection terminal 231 may be at least one of the following manners.

First, the fusing part 131 can be welded to the connection terminal 231, so that the connection is firm and the conductivity is good.

Secondly, the fusing part 131 may be screw-press-connected to the connection terminal 231. The binding post 231 is a nut post made of conductive material, one end of the fusing part 131 is provided with a connecting sheet, and the connecting sheet is penetrated by a screw and is matched and fixed with the nut post.

Thirdly, the fusing part 131 may be riveted with the connection terminal 231, and the connection is firm and the operation is simple.

As shown in fig. 4, according to some embodiments of the present application, the connection terminals 231 may be provided in plurality, the line connectors 100 are in one-to-one correspondence with the connection terminals 231, and the line connectors 100 include at least one male connector and at least one female connector.

In the present embodiment, the plurality of connection terminals 231 of the electrical device may be provided, and the line connector 100 is provided in plurality corresponding to the plurality of connection terminals 231, so as to facilitate the power consumption and the power discharge of the electrical device. Wherein, the plurality of line connectors 100 include at least one male connector and at least one female connector to facilitate distinguishing between the positive and negative poles of the connection terminal 231, and facilitate connection and use. It will be appreciated that when connected to each of the line connectors 100, the male connector mates with a corresponding female connector, and the female connector mates with a corresponding male connector.

In embodiments of the present application, the electrical device may be, but is not limited to, a power generation device, an electrical device, or other electrical equipment in a photovoltaic device, such as an inverter, a combiner box, a control cabinet, or the like.

Referring to fig. 5-8, an embodiment of the present application further provides an electrical device 200, where the electrical device 200 includes a housing 210, a shielding member 220, and a line connector 100.

The inner wall 211 of the case 210 is provided with a mounting groove 212, and the bottom of the mounting groove 212 is provided with a first via hole 213.

The inner wall 211 of the box 210 may be a side wall of the box 210, or may be a top wall or a bottom wall of the box 210, which is determined according to the wiring position. The mounting groove 212 is provided on the inner wall 211 of the case 210 to facilitate the mounting of the shield 220. A first via hole 213 is formed at the bottom of the tank, and communicates between the inside of the case 210 and the outside of the case 210, so that the cable and the connector can be easily inserted.

The shield 220 is mounted in the mounting groove 212, and the shield 220 is provided with a through hole 221 corresponding to the first via hole 213.

In the present embodiment, the shielding member 220 is an anti-interference element, and can suppress high-frequency noise, and the shielding member 220 is disposed in the mounting groove 212, so that the shielding member 220 is integrated with the wall surface of the case 210, thereby achieving the effect of suppressing high-frequency noise and optimizing the utilization rate of the internal space of the electrical apparatus 200. The shielding member 220 is a magnetizer, and may be made of ferrite material, such as manganese-zinc ferrite or nickel-zinc ferrite.

The line connector 100 sequentially penetrates the first via hole 213 and the through hole 221, and is connected to the electronic device 230 in the case 210.

It should be noted that the line connector 100 may be the line connector 100 according to any of the above embodiments. The circuit connector 100 sequentially penetrates through the first via hole 213 and the through hole 221, so that the conductive member 130 can extend into the box 210 and be connected with the connection terminal 231 of the electronic device 230, thereby realizing the conduction of a circuit. By passing the line connector 100 through the through hole 221, high frequency noise of a circuit to which the line connector 100 is connected is suppressed, interference to an internal circuit is reduced, and the operation stability of the electrical apparatus 200 is improved.

The electrical device 200 may be an inverter, a combiner box, a control cabinet, or the like, and taking the electrical device 200 as an inverter as an example, a general micro-inverter is limited in space, and cannot be provided with a shielding member, which results in serious electromagnetic interference.

In actual execution, the mounting groove 212 is formed in the inner wall 211 of the box 210 of the electrical equipment 200, the first through hole 213 is formed, the shielding piece 220 is mounted in the mounting groove 212, the shielding piece 220 and the box 210 are integrated, and the internal space of the box 210 is less occupied. The line connector 100 passes through the first via hole 213 of the box 210 and the through hole 221 of the shielding member 220, one end of the fusing part 131 of the conductive member 130 in the line connector 100 is connected with the connection terminal 231 of the electronic device 230 in the box 210, the fusing part 131 is less in intrusion into the internal space of the box 210, the protection circuit and the electronic device 230 can be protected, and the shielding member 220 can play a role in reducing the interference of the access circuit to the internal circuit of the electrical device 200.

According to the electrical device 200 provided in the embodiment of the application, the shielding member 220 is provided to reduce high-frequency noise of the access circuit, reduce electromagnetic interference to the internal circuit of the electrical device 200, and improve the working stability of the electrical device 200. By providing the mounting groove 212 on the inner wall 211 of the case 210, the shielding member 220 is integrated with the case 210, so that the occupation of the internal space of the case 210 is reduced, and the use space is optimized. Through setting up fusing portion 131 on electrically conductive piece 130, when the return circuit current exceeded the threshold value, fusing portion 131 disconnection played the effect of protection electrical equipment 200 and circuit, and it is few to encroach on electrical equipment 200 inner space simultaneously, promotes space utilization, and simple structure, reduction in production cost, facilitate promotion.

In some embodiments, as shown in fig. 5-8, the mounting slots 212 may be provided in plurality, the first vias 213 may be provided in plurality corresponding to the plurality of mounting slots 212, and the shields 220 may be provided in plurality corresponding to the plurality of mounting slots 212. The plurality of shielding members 220 may correspond to the ac wiring side, the dc wiring side, and the communication wiring side of the electrical device 200, so as to effectively reduce electromagnetic interference of each input/output end and improve electromagnetic compatibility of the whole machine. The specific number of the mounting grooves 212 is not limited herein.

In some embodiments, the wall surface of the box 210 may further be provided with a second via hole, and the line connector 100 may directly penetrate through the second via hole to connect with the connection terminal 231 of the electronic device 230 in the box 210, where the second via hole may be in line communication with low high frequency noise or low electromagnetic interference. The second via hole may be provided with one or more, and the specific number is determined according to practical situations, which is not limited herein.

In some embodiments, the case 210 may be made of metal or plastic. Specifically, the case 210 may be made of metal such as aluminum alloy or stainless steel, and has high structural strength. The case 210 may be made of plastic such as ABS plastic (Acrylonitrile Butadiene Styrene plastic) or PC (Polycarbonate) plastic, and has low production cost. The specific materials are not limited herein.

According to some embodiments of the present application, the depth of the mounting slot 212 may be no less than the thickness of the shield 220.

Through setting up the degree of depth of mounting groove 212 and being not less than the thickness of shield 220, when making shield 220 install in mounting groove 212, the one end of shield 220 deviating from the tank bottom of mounting groove 212 can not bulge mounting groove 212, reduces the invasion of shield 220 to box 210 inner space, promotes space utilization.

According to some embodiments of the present application, a seal may be provided between the shield 220 and the bottom of the mounting groove 212.

In this embodiment, the sealing member may be a sealing ring or a sealing gasket made of rubber, and the sealing member is disposed between the shielding member 220 and the bottom of the mounting groove 212, so as to seal the seam between the shielding member 220 and the mounting groove 212, and ensure the tightness of the case 210.

According to some embodiments of the present application, the line connector 100 may be matingly connected with the shield 220.

In this embodiment, the line connector 100 may be connected with the shielding member 220 in a matching manner, so as to realize connection between the line connector 100 and the box 210, so that the shielding member 220 can play a role in connecting the line connector 100 while suppressing high-frequency noise, thereby saving workpieces and simplifying assembly procedures, and further playing a role in reducing occupation of the internal space of the box 210, and optimizing the use space.

According to some embodiments of the present application, the line connector 100 may include a body 110 and a conductive member 130.

One end of the body 110 may be provided with a mounting portion 111, an outer surface of the mounting portion 111 is provided with external threads, a through hole 221 of the shield 220 is provided with internal threads, and the mounting portion 111 penetrates the shield 220 and is screw-fitted with the shield 220; the conductive member 130 may be mounted to the main body 110 and connected to the electronic device 230 within the case 210.

In the present embodiment, a mounting portion 111 is provided at one end of the main body 110, and the mounting portion 111 is used for fixedly mounting the line connector 100. By arranging the external thread on the outer surface of the mounting part 111 and arranging the internal thread in the through hole 221 of the shielding piece 220, the mounting part 111 and the shielding piece 220 can be arranged in a threaded fit manner, and the connection can be realized only by matching the mounting part 111 with the shielding piece 220 in the mounting process, so that the operation is simple and the connection workpiece is saved. Also, the threaded engagement of the mounting portion 111 with the shield 220 may provide a degree of sealing.

According to some embodiments of the present application, the shield 220 may be fixedly coupled with the mounting slot 212.

In this embodiment, the shielding member 220 is fixedly connected with the mounting groove 212, so that the whole transportation of the shielding member 220 and the box 210 is facilitated, the assembly of the mounting portion 111 is facilitated, the stability is higher, and the shielding member 220 cannot move during the assembly process.

According to some embodiments of the present application, a side of the shield 220 facing the first via 213 is bonded to a bottom surface of the mounting groove 212.

In this embodiment, the side of the shielding member 220 facing the first via hole 213 is adhered and fixed to the bottom surface of the mounting groove 212, so that the shielding member 220 is fixedly connected to the mounting groove 212, and the adhesive can play a role in sealing the joint between the shielding member 220 and the mounting groove 212. Wherein, the adhesive can be structural adhesive or sealant.

According to some embodiments of the present application, the circumferential side of the shielding member 220 is provided with a first connection structure, and the sidewall of the mounting groove 212 is provided with a second connection structure, and the first connection structure and the second connection structure are cooperatively connected.

It should be noted that the shape of the shielding member 220 is not limited herein, and the shielding member 220 may be disposed in a ring shape or may be disposed in a rectangular shape. The cross-sectional shape of the mounting groove 212 is not limited here, and may be circular, rectangular, or irregular. The cross-sectional shape of the mounting groove 212 and the outer peripheral shape of the shield 220 may or may not be contoured, and are not particularly limited. Illustratively, the shield 220 may be annular in configuration and the mounting slot 212 may be circular in cross-sectional shape.

In an example, the first connection structure may be an external thread structure, and the second connection structure may be an internal thread structure, and the first connection structure and the second connection structure are in threaded engagement, so as to achieve a fixed connection between the shield 220 and the mounting groove 212.

In another example, the first connection structure may be a protrusion, which may be an annular flange or a plurality of clamping protrusions distributed at intervals along the circumference of the shielding member 220, and the second connection structure may be a clamping groove, and the protrusion may extend into the clamping groove and be in clamping engagement with the clamping groove, so as to realize a fixed connection between the shielding member 220 and the mounting groove 212.

According to some embodiments of the present application, the line connector 100 may include a body 110, a mating portion, and a conductive member 130.

One end of the main body 110 is provided with an installation part 111, and the installation part 111 sequentially penetrates through the first via hole 213 and the through hole 221; the matching part is arranged in the box 210 and is matched and connected with the mounting part 111; the conductive member 130 is disposed on the main body 110 and connected to the electronic device 230 in the case 210.

In this embodiment, the mounting portion 111 may be clearance-fitted with the through hole 221, and the mounting portion 111 may be disposed directly through the through hole 221, wherein a sealant may be filled between the mounting portion 111 and the through hole 221. The mating portion may be disposed in a mating connection with the mounting portion 111, and the circuit connector 100 is fixed by disposing the mating portion inside the housing 210 and in a mating connection with the mounting portion 111.

In an example, the outer surface of the mounting portion 111 may be provided with an external thread, and the mating portion may be a nut, which may be sleeved outside the mounting portion 111 and be in threaded engagement with the mounting portion 111, so as to achieve a fixed connection.

In another example, an annular clamping groove may be disposed on the mounting portion 111, and the mating portion may be a clamping ring, where the clamping ring may be clamped in the annular clamping groove and abuts against the shielding member 220 or the inner wall 211 of the housing 210, so as to implement the installation of the line connector 100.

According to some embodiments of the present application, a photovoltaic device comprises a power generation apparatus and an electrical device 200 as in any of the embodiments described above.

The power generation device can absorb solar energy and generate electric energy, and the electrical equipment 200 is electrically connected with the power generation device to convert direct current generated by the power generation device into alternating current.

According to the photovoltaic device provided by the embodiment of the application, the shielding piece 220 is arranged to reduce high-frequency noise of an access circuit, reduce interference to an internal circuit of the electrical device 200, improve the working stability of the electrical device 200, and further assist in improving the stability of the photovoltaic device. By providing the mounting groove 212 on the inner wall 211 of the case 210, the shielding member 220 is integrated with the case 210, so that the occupation of the internal space of the case 210 is reduced, and the use space is optimized.

The terms first, second and the like in the description and in the claims, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged, as appropriate, such that embodiments of the present application may be implemented in sequences other than those illustrated or described herein, and that the objects identified by "first," "second," etc. are generally of a type and not limited to the number of objects, e.g., the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.

In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "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 orientation or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.

In the description of the present application, "a first feature", "a second feature" may include one or more of the features.

In the description of the present application, the meaning of "plurality" is two or more.

In the description of this application, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact by another feature therebetween.

In the description of this application, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means 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 application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.

Claims

1. An electrical device, comprising:

the electronic device is arranged in the box body;

2. The electrical device of claim 1, wherein a depth of the mounting slot is not less than a thickness of the shield.

3. The electrical device of claim 1, wherein a seal is provided between the shield and a bottom of the mounting groove.

4. The electrical device of claim 1, wherein the housing is a metallic material or a plastic material.

5. The electrical device of any of claims 1-4, wherein the line connector is matingly connected with a shield.

6. The electrical device of claim 5, wherein the line connector comprises:

7. The electrical device of any one of claims 1-4, wherein the shield is fixedly connected to the mounting slot.

8. The electrical device of claim 7, wherein a side of the shield facing the first via is bonded to a bottom surface of the mounting groove.

9. The electrical device of claim 7, wherein a first connection structure is provided on a peripheral side of the shield, a second connection structure is provided on a side wall of the mounting groove, and the first connection structure and the second connection structure are cooperatively connected.

10. The electrical device of any one of claims 1-4, wherein the line connector comprises:

11. The electrical device of any one of claims 1-4, wherein the line connector comprises:

a body formed with a mounting cavity;

12. The electrical device of claim 11, wherein the fusing portion comprises:

13. A photovoltaic device, comprising:

a power generation device;

the electrical device of any one of claims 1-12, electrically connected to the power generation apparatus.