An inverter device

Abstract

The embodiment of the application provides an inverter device. It relates to the technical field of inverters. The inverter device comprises a shell and a connecting assembly. The shell is internally provided with electrical elements. The connecting assembly comprises a connecting shell, a circuit board and at least two connecting pieces. The connecting shell is arranged on the shell. The circuit board is arranged in the connecting shell and is electrically connected with the electrical elements. The connecting pieces are electrically connected with the circuit board. The connecting pieces are used for being electrically connected with to-be-mounted pieces. The inverter device of the application simplifies the mounting steps between the inverter and the electrical equipment.

Description

Technical Field

[0001] This application relates to the field of inverter technology, and more particularly to an inverter device. Background Technology

[0002] With the popularization of the concept of new energy, the application scenarios of photovoltaic power generation are becoming increasingly widespread, gradually integrating into all aspects of daily life. In photovoltaic power generation systems, inverters play a core role, and their main function is to efficiently convert the direct current generated by photovoltaic panels into stable alternating current, providing usable power for homes, commercial facilities, and even the power grid.

[0003] In related technologies, each photovoltaic panel requires connection to an inverter. In practice, installers first need to turn on the inverter, then connect the input ports of multiple downstream devices to the corresponding interfaces of the inverter to establish electrical circuit connectivity. Finally, the inverter is sealed to ensure normal operation and protection of the equipment.

[0004] However, the connection method, which requires multiple downstream devices to be switched before the inverter connection is turned on, makes the installation process rather complicated. Utility Model Content

[0005] This application provides an inverter device to solve the problem of complicated installation between the inverter and downstream equipment.

[0006] This application provides an inverter device, including:

[0007] A housing, wherein electrical components are disposed within the housing;

[0008] A connection assembly includes a connection housing, a circuit board, and at least two connectors. The connection housing is disposed on the housing, the circuit board is disposed inside the connection housing and electrically connected to the electrical component, and the connectors are electrically connected to the circuit board and are used for electrical connection to the component to be installed.

[0009] In one possible implementation, the connector includes a fixing head and a plurality of connecting blocks. The fixing head is connected to the connecting shell and is used to allow the cable of the component to be installed to pass through the connecting shell and to fix the cable. The connecting blocks are disposed on the circuit board and electrically connected to the circuit board, and are used for detachable connection with the cable of the component to be installed.

[0010] In one possible implementation, the connection assembly further includes a connection cover detachably attached to the connection housing to close the connection housing.

[0011] In one possible implementation, the connecting shell is provided with a sealing groove, and the connecting shell is provided with a first sealing ring, the first sealing ring being disposed in the sealing groove and abutting against the connecting cover.

[0012] In one possible implementation, the connecting shell is provided with a plurality of first heat dissipation teeth, which are arranged circumferentially on the outer side wall of the connecting shell.

[0013] In one possible implementation, the housing is provided with a plurality of second heat dissipation teeth, which are arranged circumferentially on the outer side wall of the housing.

[0014] In one possible implementation, the second heat dissipation tooth includes a short tooth portion and a long tooth portion, the short tooth portion being disposed on the bottom wall of the housing, the long tooth portion being disposed on one side of the housing, and the distance between the end of the long tooth portion and the housing being greater than the distance between the end of the short tooth portion and the housing.

[0015] In one possible implementation, the inverter device further includes a connector for connecting to a photovoltaic panel, the connector being disposed on the housing, the housing having a third heat dissipation tooth located near the connector.

[0016] In one possible implementation, the inverter device further includes a connecting plate having a connecting groove and a limiting groove. The connecting groove communicates with the limiting groove, and the connecting groove is used to allow the structure to be fixed to move into the limiting groove, while the limiting groove is used to abut against the structure to be fixed.

[0017] In one possible implementation, the housing is provided with a cover plate and a second sealing ring, the second sealing ring abutting against the cover plate.

[0018] This application provides an inverter device with a connection assembly on its housing. The connection assembly includes a connecting shell, a circuit board, and multiple connectors. The connecting shell is disposed on the housing, and the circuit board is electrically connected to electrical components inside the housing. The multiple connectors are then electrically connected to the circuit board, facilitating the electrical connection between the component to be installed and the inverter device, avoiding the need for transfer between multiple components, and simplifying the installation process. Furthermore, the connection between the component to be installed and the inverter device can be achieved without opening the inverter housing, further improving installation efficiency. Attached Figure Description

[0019] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with this application and, together with the description, serve to explain the principles of this application.

[0020] Figure 1A schematic diagram of the inverter device provided in this application;

[0021] Figure 2 for Figure 1 A schematic diagram of the structure of the connecting component;

[0022] Figure 3 This is a structural schematic diagram of the inverter device from another angle in Question 1.

[0023] Explanation of reference numerals in the attached figures:

[0024] 100. Housing; 110. Second heat dissipation tooth; 111. Short tooth section; 112. Long tooth section; 120. Third heat dissipation tooth; 130. Cover plate;

[0025] 200. Connecting assembly; 210. Connecting shell; 211. Sealing groove; 220. Circuit board; 230. Connector; 231. Fixing head; 232. Connecting block; 240. Connecting cover; 250. First sealing ring; 260. First heat dissipation tooth; 270. Sealing block;

[0026] 300. Connector;

[0027] 400. Connecting plate; 410. Connecting groove; 420. Limiting groove;

[0028] 500. Communication connector;

[0029] 600. Wireless connector.

[0030] The accompanying drawings illustrate specific embodiments of this application, which will be described in more detail below. These drawings and descriptions are not intended to limit the scope of the concept in any way, but rather to illustrate the concept of this application to those skilled in the art through reference to particular embodiments. Detailed Implementation

[0031] Exemplary embodiments will now be described in detail, examples of which are illustrated in the accompanying drawings. When the following description relates to the drawings, unless otherwise indicated, the same numbers in different drawings denote the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with some aspects of this application as detailed in the appended claims.

[0032] With the popularization of the concept of new energy, the application scenarios of photovoltaic power generation are becoming increasingly widespread, gradually integrating into all aspects of daily life. In photovoltaic power generation systems, inverters play a core role, and their main function is to efficiently convert the direct current generated by photovoltaic panels into stable alternating current, providing usable power for homes, commercial facilities, and even the power grid.

[0033] In related technologies, each photovoltaic panel requires connection to an inverter. In practice, installers first need to turn on the inverter, then connect the input ports of multiple downstream devices to the corresponding interfaces on the inverter to establish electrical circuit connectivity. Finally, the inverter is sealed to ensure normal operation and protection. However, this connection method, which requires multiple downstream devices to be connected before turning on the inverter, makes installation rather cumbersome.

[0034] This application provides an inverter device with a connection assembly on its housing. The connection assembly includes a connecting shell, a circuit board, and multiple connectors. The connecting shell is disposed on the housing and electrically connected to electrical components inside the housing via the circuit board. The multiple connectors are then electrically connected to the circuit board, facilitating the electrical connection between the component to be installed and the inverter device, avoiding the need for transfer between multiple components, and simplifying the installation process. Furthermore, the connection between the component to be installed and the inverter device can be achieved without opening the inverter housing, further improving installation efficiency.

[0035] The technical solution of this application and how the technical solution of this application solves the above-mentioned technical problems are described in detail below with specific embodiments. These specific embodiments can be combined with each other, and the same or similar concepts or processes may not be described again in some embodiments. The embodiments of this application will now be described with reference to the accompanying drawings.

[0036] This application provides an inverter device, with reference to... Figure 1 and Figure 2 The inverter device includes a housing 100 and a connection assembly 200.

[0037] Electrical components are installed inside the housing 100.

[0038] Electrical components are installed in the cavity formed by the housing 100. The electrical components constitute the circuit structure of the inverter that converts DC to AC. This is existing technology and will not be described in detail here.

[0039] The connection assembly 200 includes a connection housing 210, a circuit board 220, and at least two connectors 230. The connection housing 210 is disposed on the housing 100, the circuit board 220 is disposed inside the connection housing 210 and is electrically connected to electrical components, and the connectors 230 are electrically connected to the circuit board 220 and are used to electrically connect to the component to be installed.

[0040] For example, the connector 230 in this embodiment can be in groups of three, corresponding to the live wire, neutral wire and ground wire respectively.

[0041] In this embodiment of the application, the component to be installed is an electrical device connected to the inverter, including but not limited to household appliances or the power grid.

[0042] Electrical connections are made between the circuit board 220 and the electrical components inside the housing 100, and multiple connectors 230 are then electrically connected to the circuit board 220. This facilitates the electrical connection between the component to be installed and the inverter device, avoiding the need for multiple adapters and simplifying the installation process. Furthermore, the connection between the component to be installed and the inverter device can be achieved without opening the inverter housing 100, further improving installation efficiency. Additionally, it avoids damaging the seal of the housing 100 by opening the inverter device.

[0043] For example, the connecting shell 210 is integrally formed with the housing 100.

[0044] In one possible implementation, the connector 230 includes a fixing head 231 and a plurality of connecting blocks 232. The fixing head 231 is connected to the connecting shell 210 and is used to allow the cable of the component to be installed to pass through the connecting shell 210 and to fix the cable. The connecting blocks 232 are disposed on the circuit board 220 and are electrically connected to the circuit board 220. The connecting blocks 232 are used for detachable connection with the cable of the component to be installed.

[0045] For example, three connecting blocks 232 form a group to constitute the connection point of the phase wire and the ground wire in the cable. The connecting block 232 can be a metal block. The connecting block 232 is fixed on the circuit board 220 and electrically connected to the circuit board 220. The cable of the component to be installed passes through the fixing head 231 and is respectively connected to the three connecting blocks 232 in the same group to realize the electrical connection between the component to be installed and the inverter.

[0046] The input cable of the component to be installed is inserted into the fixing head 231 and extends into the connecting shell 210. The fixing head 231 serves to fix the cable and also seals the gap between the cable and the connecting shell 210 to ensure the airtightness of the connecting shell 210. After the cable is inserted into the connecting shell 210, the protective layer is removed so that the wires are inserted into the connecting blocks 232 respectively, and then fixed with screws.

[0047] For example, connector 230 can also be a quick-release connector, with multiple quick-release connectors mounted on connector housing 210 and electrically connected to circuit board 220. The quick-release connector enables quick installation and removal between the quick-release connector and the component to be installed, thereby further improving installation efficiency.

[0048] In one possible implementation, the connection assembly 200 further includes a connection cover 240, which is detachably connected to the connection housing 210 to close the connection housing 210.

[0049] For example, the connecting cover 240 and the connecting shell 210 are fixedly connected by bolts.

[0050] For example, both the connecting shell 210 and the housing 100 have through holes for electrical connection between the circuit board 220 and electrical components inside the housing 100. A sealing block 270 is provided in the through hole, and the circuit board 220 extends into the housing 100 and connects to the electrical components through wires passing through the sealing block 270. The sealing block 270 provides sealing for both the connecting shell 210 and the interior of the housing 100. For example, the sealing block 270 can be a rubber block.

[0051] In one possible implementation, refer to Figure 2 A sealing groove 211 is provided on the connecting shell 210, and a first sealing ring 250 is provided on the connecting shell 210. The first sealing ring 250 is located in the sealing groove 211 and abuts against the connecting cover 240.

[0052] For example, the sealing groove 211 is provided on the side of the connecting shell 210 near the connecting cover 240, and the first sealing ring 250 is provided in the sealing groove 211 and partially protrudes from the sealing groove 211 so as to abut against the connecting cover 240, thereby achieving the sealing of the connecting shell 210 and achieving the effect of dustproof and rainproof.

[0053] For example, the first sealing ring 250 may be an O-ring.

[0054] In one possible implementation, refer to Figure 2 and Figure 3 The connecting shell 210 is provided with a plurality of first heat dissipation teeth 260, which are arranged circumferentially on the outer side wall of the connecting shell 210.

[0055] For example, the first heat dissipation denticles 260 are evenly distributed on the five outer sidewalls of the connecting shell 210. The opening side of the connecting shell 210 is not provided with the first heat dissipation denticles 260, and there is a gap between adjacent first heat dissipation denticles 260, so that the heat inside the connection can be dissipated through the first heat dissipation denticles 260. In addition, the first heat dissipation denticles 260 can also increase the strength of the connecting shell 210.

[0056] For example, the first heat dissipation tooth 260 is integrally formed with the connecting shell 210.

[0057] In one possible implementation, refer to Figure 1 and Figure 3 The housing 100 is provided with a plurality of second heat dissipation teeth 110, which are arranged circumferentially on the outer side wall of the housing 100.

[0058] For example, the upper surface of the housing 100 is provided with an opening to facilitate the installation of electrical components. Excluding the open side of the housing 100, each of the five outer sidewalls of the housing 100 is provided with a second heat dissipation tooth 110. Multiple second heat dissipation teeth 110 are evenly distributed on the surface of the housing 100, with a gap between adjacent second heat dissipation teeth 110, thereby dissipating heat from inside the housing 100 through the second heat dissipation teeth 110. Furthermore, the electrical components are mounted on the side of the housing 100 opposite to the open side; therefore, the second heat dissipation teeth 110 at the bottom help improve heat dissipation. In addition, the second heat dissipation teeth 110 can also serve as reinforcing ribs to enhance the strength of the housing 100.

[0059] For example, the second heat dissipation tooth 110 is integrally formed with the housing 100.

[0060] In one possible implementation, refer to Figure 1 and Figure 3 The second heat dissipation tooth 110 includes a short tooth portion 111 and a long tooth portion 112. The short tooth portion 111 is disposed on the bottom wall of the housing 100, and the long tooth portion 112 is disposed on one side of the housing 100. The distance between the end of the long tooth portion 112 and the housing 100 is greater than the distance between the end of the short tooth portion 111 and the housing 100.

[0061] For example, the long tooth portion 112 is connected to the end of the short tooth portion 111, and the long tooth portion 112 and the short tooth portion 111 are integrally formed.

[0062] For example, the short tooth 111 is located at the bottom of the housing 100 away from the opening side, and the two ends of the short tooth 111 extend to the two sides of the housing 100 respectively, while the long tooth 112 is located on the outer side wall of the housing 100.

[0063] In the embodiments of this application, the heat-generating components of the electrical components within the housing 100 are mainly concentrated on one side of the housing 100, resulting in a higher temperature on that side compared to other locations. Therefore, in the embodiments of this application, long teeth 112 are disposed on the side wall of the housing 100 where the temperature is higher. By increasing the length of the long teeth 112, the contact area between the heat dissipation teeth and the air is increased, thereby improving the heat dissipation effect on one side of the housing 100.

[0064] For example, the distance between the end of the long tooth 112 and the housing 100 is greater than or equal to 30 mm and less than or equal to 70 mm.

[0065] For example, the distance between the end of the long tooth portion 112 and the housing 100 can be 40mm, 45mm, 50mm, 55mm, 60mm, 65mm, etc.

[0066] In one possible implementation, the inverter device further includes a connector 300 for connecting to a photovoltaic panel. The connector 300 is disposed on a housing 100, and a third heat dissipation tooth 120 is disposed on the housing 100 near the connector 300.

[0067] For example, connector 300 is mounted on the side of housing 100 and is used for detachable connection with photovoltaic panel.

[0068] For example, connector 300 can integrate multiple quick-release connectors to achieve electrical connections, communication connections, etc. between the inverter and the photovoltaic panel.

[0069] For example, there may be two connectors 300, which are symmetrically arranged on both sides of the housing 100.

[0070] For example, the connecting component 200 is located on the same side of a connector 300, and the long tooth 112 is located on the side close to the two connectors 300. The electrical components on this side are mainly used to convert DC power into AC power and generate a lot of heat. The long tooth 112 is located on this side, which helps to improve the heat dissipation effect of the housing 100.

[0071] For example, the third heat dissipation tooth 120 is located on one side of the connector 300. The distance from the end of the third heat dissipation tooth 120 to the housing 100 is greater than the distance from the end of the short tooth portion 111 to the housing 100. The third heat dissipation tooth 120 is longer, which can also increase the contact area with air, thereby improving the heat dissipation effect on both sides of the connector 300.

[0072] For example, some of the third teeth are disposed on the two long teeth 112 at the edge of the housing 100.

[0073] In one possible implementation, refer to Figure 1 The inverter device also includes a connecting plate 400, on which a connecting groove 410 and a limiting groove 420 are provided. The connecting groove 410 and the limiting groove 420 are connected. The connecting groove 410 is used to allow the structure to be fixed to move into the limiting groove 420, and the limiting groove 420 is used to abut against the structure to be fixed.

[0074] For example, the connecting plate 400 is integrally formed with the housing 100.

[0075] For example, the structure to be fixed can be a bolt, screw, pin, etc.

[0076] For example, there are two connecting slots 410 and two limiting slots 420. The connecting slots 410 and the limiting slots 420 correspond one to one. The connecting slots 410 and the limiting slots 420 are staggered so that the structure to be fixed will abut against the bottom of the limiting slot 420 after it moves into the limiting slot 420, thereby restricting the structure to be fixed from moving out of the limiting slot 420 and improving the fixing effect of the inverter device.

[0077] In one possible implementation, a cover plate 130 is provided on the housing 100, and a second sealing ring is provided on the housing 100, the second sealing ring abutting against the cover plate 130.

[0078] For example, a placement groove is also provided on the opening side of the housing 100, and the second sealing ring is disposed in the placement groove. The second sealing ring protrudes from the placement groove so that the second sealing ring abuts against the cover plate 130 to achieve a seal between the cover plate 130 and the housing 100.

[0079] For example, the second sealing ring can be a rubber ring.

[0080] For example, refer to Figure 1 and Figure 3 The housing 100 is also provided with a communication connector 500 and a wireless connector 600. Both the communication connector 500 and the wireless connector 600 are electrically connected to the electrical components inside the housing 100, and are used for communication connection with the photovoltaic panel.

[0081] For example, at connector 300, communication connector 500 and wireless connector 600, the second sealing ring is placed directly on connector 300, communication connector 500 and wireless connector 600 to achieve the corresponding sealing effect.

[0082] The inverter device provided in this application embodiment has a connection assembly 200 on the housing 100. The connection assembly 200 includes a connection shell 210, a circuit board 220, and multiple connectors 230. The connection shell 210 is disposed on the housing 100 and is electrically connected to the electrical components inside the housing 100 through the circuit board 220. The multiple connectors 230 are then electrically connected to the circuit board 220, thereby facilitating the electrical connection between the component to be installed and the inverter device, avoiding the need for transfer between multiple components, and simplifying the installation steps. In addition, the connection between the component to be installed and the inverter device can be achieved without opening the inverter housing 100, further improving installation efficiency.

[0083] Finally, it should be noted that other embodiments of the invention will readily occur to those skilled in the art upon consideration of the specification and practice of the invention disclosed herein. This invention is intended to cover any variations, uses, or adaptations of the invention that follow the general principles of the invention and include common knowledge or customary techniques in the art not disclosed herein, and is not limited to the precise structures described above and shown in the accompanying drawings, and various modifications and changes can be made without departing from its scope. The scope of the invention is limited only by the appended claims.

Claims

1. An inverter device, characterized in that, include: A housing (100) is provided with electrical components inside the housing (100); A connection assembly (200) includes a connection housing (210), a circuit board (220), and at least two connectors (230). The connection housing (210) is disposed on the housing (100). The circuit board (220) is disposed inside the connection housing (210) and electrically connected to the electrical component. The connectors (230) are electrically connected to the circuit board (220) and are used to electrically connect to the component to be installed.

2. The inverter device according to claim 1, characterized in that, The connector (230) includes a fixing head (231) and a plurality of connecting blocks (232). The fixing head (231) is connected to the connecting shell (210). The fixing head (231) is used to allow the cable of the component to be installed to pass through the connecting shell (210) and fix the cable. The connecting blocks (232) are disposed on the circuit board (220) and electrically connected to the circuit board (220). The connecting blocks (232) are used for detachable connection with the cable of the component to be installed.

3. The inverter device according to claim 1, characterized in that, The connecting assembly (200) further includes a connecting cover (240), which is detachably connected to the connecting shell (210) to close the connecting shell (210).

4. The inverter device according to claim 3, characterized in that, The connecting shell (210) is provided with a sealing groove (211) and a first sealing ring (250) is provided on the connecting shell (210). The first sealing ring (250) is located in the sealing groove (211) and abuts against the connecting cover (240).

5. The inverter device according to any one of claims 1-4, characterized in that, The connecting shell (210) is provided with a plurality of first heat dissipation teeth (260), which are arranged circumferentially on the outer side wall of the connecting shell (210).

6. The inverter device according to any one of claims 1-4, characterized in that, The housing (100) is provided with a plurality of second heat dissipation teeth (110), which are arranged circumferentially on the outer side wall of the housing (100).

7. The inverter device according to claim 6, characterized in that, The second heat dissipation tooth (110) includes a short tooth portion (111) and a long tooth portion (112). The short tooth portion (111) is disposed on the bottom wall of the housing (100), and the long tooth portion (112) is disposed on one side of the housing (100). The distance between the end of the long tooth portion (112) and the housing (100) is greater than the distance between the end of the short tooth portion (111) and the housing (100).

8. The inverter device according to any one of claims 1-4, characterized in that, It also includes a connector (300) for connecting to a photovoltaic panel. The connector (300) is disposed on the housing (100). The housing (100) is provided with a third heat dissipation tooth (120) which is close to the connector (300).

9. The inverter device according to any one of claims 1-4, characterized in that, It also includes a connecting plate (400), on which a connecting groove (410) and a limiting groove (420) are provided. The connecting groove (410) communicates with the limiting groove (420). The connecting groove (410) is used to allow the structure to be fixed to move into the limiting groove (420), and the limiting groove (420) is used to abut against the structure to be fixed.

10. The inverter device according to any one of claims 1-4, characterized in that, The housing (100) is provided with a cover plate (130) and a second sealing ring is provided on the housing (100), the second sealing ring abutting against the cover plate (130).

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