CN222691696U - Split type energy storage converter box structure - Google Patents
Split type energy storage converter box structure Download PDFInfo
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- CN222691696U CN222691696U CN202421413879.8U CN202421413879U CN222691696U CN 222691696 U CN222691696 U CN 222691696U CN 202421413879 U CN202421413879 U CN 202421413879U CN 222691696 U CN222691696 U CN 222691696U
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Abstract
本实用新型公开了一种分体式储能变流器箱体结构，包括相互独立的主机箱体和接线盒箱体，主机箱体和接线盒箱体之间通过连接件机械连接，主机箱体和接线盒箱体之间还通过多个对插连接器电气连接，主机箱体和接线盒箱体之间还通过密封垫密封连接，密封垫设于多个对插连接器的周围；主机箱体和接线盒箱体上相互连接的一侧均设有C型加强筋；主机箱体和/或接线盒箱体上连接的一侧上设有用来补偿不同对插连接器高度差的台阶安装面。本实用新型的主机箱体和接线盒箱体可以分开安装和单独拆卸维护；使用多个对插连接器同时对插，实现电气连接，通过台阶安装面来补偿不同连接器的高度差。
The utility model discloses a split energy storage converter box structure, including a mainframe box and a junction box box that are independent of each other, the mainframe box and the junction box box are mechanically connected by a connector, the mainframe box and the junction box box are also electrically connected by a plurality of plug-in connectors, the mainframe box and the junction box box are also sealed by a sealing gasket, and the sealing gasket is arranged around the plurality of plug-in connectors; the mainframe box and the junction box box are both provided with C-shaped reinforcing ribs on one side that is connected to each other; the mainframe box and/or the junction box box are provided with a step mounting surface on one side that is connected to compensate for the height difference of different plug-in connectors. The mainframe box and the junction box box of the utility model can be installed separately and disassembled and maintained separately; multiple plug-in connectors are used to be plugged in at the same time to achieve electrical connection, and the height difference of different connectors is compensated by the step mounting surface.
Description
Technical Field
The utility model relates to a split type energy storage converter box structure, and belongs to the technical field of energy storage converters.
Background
In order to facilitate early installation and later maintenance and replacement, a split type design of a main machine and a junction box of a photovoltaic inverter is popular in north america. The box body of the energy storage converter in the market is usually integrated, and once a fault occurs, all wiring needs to be removed to remove the fault machine, so that maintenance difficulty and maintenance time are increased. The prior art has generally made an integral plug-in connector between the photovoltaic host and junction box, and requires custom design, die opening and manufacturing, which is relatively expensive. Sealing and waterproofing between a photovoltaic host machine and a junction box are realized through a die-sinking silicone rubber ring, the silicone rubber is high in hardness, and the frame is easy to deform due to high compression force. Before, between the photovoltaic host and the junction box, a flange edge is bent and welded through a metal plate, and then the flange edge is locked and connected through a screw. Because the bending and welding process cannot be complicated, the strength of the flange is not high, and the joint cannot bear larger external force. In addition, when different types of opposite-plug connectors are used between the host and the junction box, a certain height difference is generated.
Disclosure of Invention
The utility model aims to solve the technical problems of how to solve the problems of the box body of the integrated energy storage converter, namely that once a fault occurs, all wiring needs to be removed to remove the fault machine, an integrated opposite-plug connector between a photovoltaic host and a junction box needs to be custom-designed and molded, the cost is high, the sealing waterproof silicone rubber ring between the photovoltaic host and the junction box is high in hardness, the compression force is high, the frame is easy to deform, and the connection part between the photovoltaic host and the junction box cannot bear larger external force.
In order to solve the technical problems, the technical scheme of the utility model provides a split type energy storage converter box structure which is characterized by comprising a main box body and a junction box body which are mutually independent, wherein the main box body and the junction box body are mechanically connected through connecting pieces, the main box body and the junction box body are electrically connected through a plurality of opposite plug connectors, the main box body and the junction box body are also in sealing connection through sealing gaskets, the sealing gaskets are arranged around the opposite plug connectors, C-shaped reinforcing ribs are arranged on one sides of the main box body and the junction box body, and step mounting surfaces for compensating height differences of different opposite plug connectors are arranged on one sides of the main box body and/or the junction box body.
Preferably, one side surface of the main machine box body and one side surface of the junction box body, which are mutually connected, are opposite inserting surfaces, and a plurality of opposite inserting connectors are arranged on the opposite inserting surfaces of the main machine box body and the junction box body, and each opposite inserting connector on the main machine box body and each opposite inserting connector on the junction box body are in one-to-one correspondence and are in opposite inserting connection.
Preferably, the opposite inserting surface of the main machine box body is provided with at least two guide sleeves, the opposite inserting surface of the junction box body is provided with at least two guide posts, the number of the guide posts is the same as that of the guide sleeves, the guide posts correspond to the guide sleeves one by one, and when the main machine box body and the junction box body are inserted in opposite directions, each guide post is inserted into the corresponding guide sleeve.
Preferably, the opposite plug connector is a plug or a socket, one of the main box body and the junction box body is a plug, the other opposite plug connector is a socket, and each plug and each socket are respectively and correspondingly connected with the internal devices of the main box body and the junction box body through cables.
Preferably, the opposite inserting surfaces of the main box body and the junction box body are provided with C-shaped reinforcing ribs and edge folding reinforcing ribs.
Preferably, the upper tensioning handles are respectively fixed at the positions, close to the opposite inserting surfaces, of the two sides of the main box body, the lower tensioning handles are respectively fixed at the positions, close to the opposite inserting surfaces, of the two sides of the junction box body, each upper tensioning handle corresponds to one lower tensioning handle, and the connecting piece comprises an upper tensioning handle and a lower tensioning handle which are connected through a fastener.
Preferably, a gap is arranged between the main machine box body and the junction box body at a position outside the sealing gasket.
Preferably, a baffle is arranged on the connecting surface between the main box body and the junction box body, a baffle groove is arranged on the baffle, and the sealing gasket is arranged in the baffle groove.
Preferably, the sealing gasket is of a frame-shaped or annular structure, and is a foaming silica gel waterproof gasket.
Preferably, the main box body and the junction box body are respectively provided with an opposite-plug mounting plate for mounting a plurality of opposite-plug connectors, and the opposite-plug mounting plates of the main box body and/or the junction box body are respectively provided with a step mounting surface for compensating different height differences of the opposite-plug connectors.
Compared with the prior art, the utility model has at least one of the following advantages:
1. the main box body and the junction box body can be separately installed and independently detached for maintenance;
2. A plurality of opposite-plug connectors are used for opposite-plug at the same time, so that electric connection is realized, and the height difference of different connectors is compensated through the step mounting surface;
3. The foam silica gel is used for sealing the opposite insertion surfaces of the main box body and the junction box body, so that the compression force is reduced, and the deformation of the opposite insertion surfaces is avoided;
4. The tightening handle made of the die-casting aluminum alloy is assembled on the main machine box body and the junction box body through screws, so that the connection strength of the main machine box body and the junction box body is increased, and meanwhile, the electric conduction between the two box bodies can be realized;
5. The box is equipped with C strengthening rib and is equipped with the hem strengthening rib to inserting the department to increase the intensity to the face of inserting, make the junction of mainframe box and terminal box can bear great external force, thereby avoid mainframe box and terminal box fastening connection time, lead to the frame to warp because of the pressure of each adapting unit in the middle (to inserting connector, sealing pad).
Drawings
Fig. 1 is a split schematic diagram of a split type energy storage converter box structure;
FIG. 2 is a schematic diagram (I) of a main chassis;
FIG. 3 is a schematic diagram of a main housing (II);
FIG. 4 is a schematic view (one) of the junction box housing;
FIG. 5 is a schematic view of a junction box housing (II);
FIG. 6 is a schematic diagram of a main housing (III);
fig. 7 is a schematic view (iii) of the junction box housing;
Fig. 8 is a schematic view (fourth) of the junction box housing;
Figure 9 is an overall perspective view of a split energy storage converter housing structure;
Figure 10 is an overall front view of a split energy storage converter housing structure;
FIG. 11 is an enlarged schematic view of FIG. 10 at position A;
FIG. 12 is a schematic view of the interface between the main housing and the junction box housing;
Fig. 13 is a schematic diagram of a 12KW consumer energy storage converter.
Detailed Description
In order to make the utility model more comprehensible, preferred embodiments accompanied with figures are described in detail below.
The utility model provides a split type energy storage converter box structure which can be used for electric products such as an electric box body and an energy storage converter, and as shown in fig. 1, the split type energy storage converter box structure comprises a main box body 1 and a junction box body 2, wherein the main box body 1 and the junction box body 2 are mechanically connected, so that sealing, waterproofing and static load strength are ensured, and the main box body 1 and the junction box body 2 can be separately installed and independently detached for maintenance during installation. Simultaneously, a plurality of opposite plug connectors 3 are used for realizing electric connection (namely, a plurality of opposite plug connectors 3 are arranged on opposite plug surfaces of the main machine box body 1 and the junction box body 2, and each opposite plug connector 3 on the main machine box body 1 and each opposite plug connector 3 on the junction box body 2 are in one-to-one correspondence and are connected), so that the electric connector is convenient for early installation and later maintenance.
As shown in fig. 1, 9-11, at least two guide sleeves 5 are arranged on the opposite inserting surface of the main box body 1, guide posts 4 corresponding to the positions and the numbers of the guide sleeves 5 are arranged on the opposite inserting surface of the junction box body 2, and when the main box body 1 and the junction box body 2 are inserted in opposite directions, each guide post 4 is inserted into the corresponding guide sleeve 5. The main box body 1 and the junction box body 2 are preliminarily inserted by guiding through the guide post 4 and the guide sleeve 5. Since the middle of the main box body 1 and the junction box body 2 are tightly contacted and pressed through the sealing gasket 6, gaps 14 are formed in the peripheral parts of the main box body 1 and the junction box body 2, which are positioned around the sealing gasket 6, so that the main box body 1 and the junction box body 2 are tightly contacted with the sealing gasket 6.
As shown in fig. 2 to 5, the C-shaped reinforcing ribs 11 and the hemming reinforcing ribs 10 are provided on the opposite sides of the main body case 1 and the junction box case 2, so that deformation of the opposite sides can be reduced. In this embodiment, the C-shaped reinforcing ribs 11 and the hemming reinforcing ribs 10 are provided inside and outside the corresponding main body case 1 and the corresponding junction box case 2, respectively.
Wherein the counter-plug connector 3 is a plug or a socket. As shown in fig. 6 and 7, a plurality of plugs and sockets are mounted on the main body 1 and the junction box 2, respectively, and each plug and socket is connected with the internal devices of the main body 1 and the junction box 2 (the internal devices are conventional structures in the main body and the junction box of the photovoltaic inverter, and are not described any more) by cables. The main box body 1 and/or the junction box body 2 are provided with step mounting surfaces 12, and the step mounting surfaces of the opposite-plug mounting plates are used for compensating the height difference of different opposite-plug connectors 3.
As shown in fig. 1 and 8, the mating surfaces of the main body case 1 and the junction box case 2 are connected by a gasket 6, the gasket 6 has a frame (ring) structure, and the gasket 6 is provided on the outer sides of the plurality of mating connectors 3. The sealing gasket 6 is made of foaming silica gel, waterproof, single-sided adhesive tape is adhered to the opposite inserting surface of the junction box body 2, and the grooves (namely the baffle grooves 13) on the baffle plates 9 are used for positioning.
The upper tensioning handle 7 and the lower tensioning handle 8 are respectively fastened at the positions, close to the opposite inserting surfaces, of the two sides of the main box body 1 and the junction box body 2, and the upper tensioning handle 7 and the lower tensioning handle 8 are fastened and connected through screws and/or nuts, so that the fastening connection between the main box body 1 and the junction box body 2 is realized. In this embodiment, the positions of the two sides of the main box body 1 near the opposite inserting surfaces are respectively fixed with an upper tensioning handle 7, the positions of the two sides of the junction box body 2 near the opposite inserting surfaces are respectively fixed with a lower tensioning handle 8, and each upper tensioning handle 7 corresponds to one lower tensioning handle 8. As shown in fig. 1 and 12, the handles (i.e., the upper tension handle 7 and the lower tension handle 8) are made of die-cast aluminum alloy materials and are fixed on the side surfaces of the frame body (i.e., the main machine box body 1 and the junction box body 2) through 3 screws. The screw passing through the handle is screwed, so that the sealing gasket 6 between the main machine box body 1 and the junction box body 2 can be tightly pressed, and meanwhile, the contact pin and the jack (namely, the first-size plug contact pin 15 is inserted into the first-size socket jack 16, and the second-size plug contact pin 17 is inserted into the second-size socket jack 18) are oppositely inserted in place, so that electric connection and waterproof sealing are completed.
The utility model can reach the index of industry standard through waterproof test, conduction test and static load strength test.
As shown in fig. 13, between the main unit and the junction box of the 12KW consumer energy storage converter, 14 Pin and 1 34Pin connectors are used to connect circuits such as batteries, photovoltaics, power grids, loads, communication and the like. 2 guide posts and guide sleeves are used for guiding, foaming silica gel (6 mm thick) is waterproof and sealed, and a main machine and a junction box are connected through tightening screws penetrating through the die-casting handles. Through small-batch trial production, the opposite plug waterproof test, the conduction test, the through-flow and temperature rise test and the static load test are all OK.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421413879.8U CN222691696U (en) | 2024-06-19 | 2024-06-19 | Split type energy storage converter box structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421413879.8U CN222691696U (en) | 2024-06-19 | 2024-06-19 | Split type energy storage converter box structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222691696U true CN222691696U (en) | 2025-03-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421413879.8U Active CN222691696U (en) | 2024-06-19 | 2024-06-19 | Split type energy storage converter box structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222691696U (en) |
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2024
- 2024-06-19 CN CN202421413879.8U patent/CN222691696U/en active Active
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