An energy storage inverter

Abstract

The utility model belongs to the field of energy storage inverter provides a kind of energy storage inverter, and energy storage inverter includes module main body and expansion box, module main body and expansion box are equipped with the socket and plug connector respectively, when module main body is fixed with expansion box, plug connector is inserted in socket, including: guide assembly, for guiding module main body and expansion box alignment connection;Pre-tightening assembly, including buckle and holder, buckle and holder are respectively arranged in module main body and expansion box, when module main body and expansion box alignment connection, buckle can be connected in holder;Fastener, for fixing module main body and expansion box.Compared with prior art, the utility model has the advantages that through buckle and holder in pre-tightening assembly, preliminary fixation of expansion box can be realized in initial stage, avoid displacement or misplacement before final fastening, provide guarantee for fastener to be fixed between expansion box and module main body, simplify assembly process, improve the stability of overall structure.

Description

Technical Field

[0001] This utility model belongs to the field of energy storage inverters, and specifically relates to an energy storage inverter. Background Technology

[0002] With the development of renewable energy, energy storage inverters, as key equipment, play an important role in energy storage and conversion.

[0003] In existing technology, there is an energy storage inverter consisting of an inverter and an expansion box. When the microinverter is used alone, it converts the direct current (DC) power from the photovoltaic modules into alternating current (AC) power for input to the grid. When the inverter is connected to the expansion box, the two form an energy storage inverter, which can be connected to a battery to store electrical energy. However, the inverter and expansion box are connected by wires, which is a relatively cumbersome connection process and lacks overall integration. Utility Model Content

[0004] To address the aforementioned shortcomings of existing technologies, the technical solution adopted by this utility model is as follows:

[0005] An energy storage inverter includes a module body and an expansion box. The module body and the expansion box are respectively provided with a socket and a connector. When the module body is fixed to the expansion box, the connector is plugged into the socket. The inverter also includes:

[0006] A guide component is used to guide the module body to align and connect with the expansion box;

[0007] The pre-tightening component includes a buckle and a retainer, the buckle and the retainer being respectively disposed on the module body and the expansion box. When the module body and the expansion box are aligned and connected, the buckle can be engaged with the retainer.

[0008] Fasteners are used to secure the module body and the expansion box.

[0009] In the aforementioned energy storage inverter, the latch includes:

[0010] Mounting base, on which a drive block is movably connected;

[0011] The moving block and the locking block are provided. The driving block is provided with a connecting shaft. One end of the moving block is connected to the connecting shaft, and the other end is movably pressed against the locking block. One end of the locking block extends into the moving block, and the other end is movably engaged with the locking seat.

[0012] In the aforementioned energy storage inverter, the guiding component includes a guide post and a guide hole. The guide post and the guide hole are respectively disposed in the module body and the expansion box, and the guide post is movably inserted into the guide hole.

[0013] In the aforementioned energy storage inverter, the buckle includes: a mounting base, a drive block, a moving block, a locking block, an end cover, and a connecting shaft. The connecting shaft passes through and rotatably connects the drive block, the end cover, and the moving block. The mounting base has a connecting portion, and the connecting portion is provided with a connecting pin extending to the outside. The drive block has an assembly hole, and the assembly hole is movably fitted onto the connecting pin.

[0014] In the aforementioned energy storage inverter, an elastic element is also connected between the moving block and the locking block.

[0015] In the aforementioned energy storage inverter, an anti-disengagement hole is formed at the end of the mounting base away from the connection portion, and a locking hole is provided on the drive block. When the locking hole is aligned with the anti-disengagement hole, a locking pin can pass through to restrict the rotation of the drive block.

[0016] In the aforementioned energy storage inverter, the mounting bracket includes a connecting plate and a flange. The connecting plate has mounting holes, the flange is located at one end of the connecting plate, and the locking block is movably engaged with the flange.

[0017] In the aforementioned energy storage inverter, a locking shaft is formed at the end of the locking block, and an arc-shaped locking groove is formed inside the flange, with the locking shaft movably engaged within the arc-shaped locking groove.

[0018] In the aforementioned energy storage inverter, a first extension plate is provided on the main body of the module, and a second extension plate is provided on the expansion box. The first extension plate and the second extension plate are arranged with a height difference, and both the first extension plate and the second extension plate are provided with connection holes so that the fasteners can pass through the connection holes to fix the expansion box to the main body of the module.

[0019] In the aforementioned energy storage inverter, the fastener is a screw or bolt.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] (1) The present invention provides an energy storage inverter that, through the buckle and seat in the pre-tightening component, can achieve the initial fixation of the module body and the expansion box in the initial connection stage, avoiding displacement or misalignment before final tightening, providing a guarantee for the fastener to securely connect the expansion box and the module body, simplifying the assembly process and improving the overall structural stability.

[0022] (2) The design of the guide post and guide hole enables the module body and the expansion box to be quickly and accurately aligned, which greatly shortens the installation time and reduces the risk of incorrect installation.

[0023] (3) When the locking shaft is locked, the anti-disengagement hole and the locking hole are aligned and the locking pin is used to effectively ensure the stability of the locking position and avoid accidental disengagement due to mechanical vibration or other external factors. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the overall structure of the energy storage inverter;

[0025] Figure 2 This is a structural diagram of the main module;

[0026] Figure 3 This is a structural diagram of the expansion box;

[0027] Figure 4 This is a schematic diagram of the buckle structure;

[0028] Figure 5 This is a schematic diagram of the pre-tightening component with the end cap concealed.

[0029] Figure 6 This is an exploded view of the area between the mounting base and the drive block.

[0030] In the diagram, 1 is the main module; 10 is the first extension plate.

[0031] 2. Expansion box; 20. Second extension plate; 200. Connection hole;

[0032] 3. Socket;

[0033] 4. Connector;

[0034] 5. Guide assembly; 50. Guide post; 51. Guide hole;

[0035] 6. Pre-tightening assembly; 60. Buckle; 600. Mounting base; 600a. Connecting part; 600b. Connecting pin; 600c. Anti-disengagement hole; 601. Drive block; 601a. ​​Assembly hole; 601b. Locking hole; 602. Moving block; 603. Locking block; 603a. Locking shaft; 604. Connecting shaft; 605. Elastic element; 606. End cover; 61. Card holder; 610. Connecting plate; 610a. Mounting hole; 611. Flanged edge; 611a. Arc-shaped locking groove;

[0036] 7. Fasteners. Detailed Implementation

[0037] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0038] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indication will also change accordingly.

[0039] like Figures 1 to 3 As shown, this utility model discloses an energy storage inverter, which includes a module body 1 and an expansion box 2. The module body 1 and the expansion box 2 are respectively provided with a socket 3 and a connector 4. When the module body 1 and the expansion box 2 are fixed, the connector 4 is inserted into the socket 3. The inverter also includes: a guide component 5 for guiding the module body 1 and the expansion box 2 to align and connect; a pre-tightening component 6, including a buckle 60 and a retainer 61, which are respectively provided on the module body 1 and the expansion box 2. When the module body 1 and the expansion box 2 are aligned and connected, the buckle 60 can be engaged with the retainer 61; and a fastener 7 for fixing the module body 1 and the expansion box 2.

[0040] This embodiment implements a modular design for the energy storage inverter (consisting of a micro-inverter and expansion box 2), specifically, as follows: Figures 1 to 5 As shown, this solution first uses guide component 5 to guide the module body 1 (referring to the micro inverter) and expansion box 2 for precise alignment. The presence of guide component 5 greatly simplifies the alignment process between module body 1 and expansion box 2, reduces unnecessary adjustment time, and improves assembly efficiency. As module body 1 and expansion box 2 approach a certain distance, connector 4 begins to be inserted into connector 3. Once both are fully inserted, an electrical connection is established. After the above operations are completed, pre-tightening component 6 is used for initial fixation. Specifically, the clips 60 and clips 61 respectively set on module body 1 and expansion box 2 are engaged with each other, thus providing initial mechanical fixation for module body 1 and expansion box 2. This process restricts the relative movement between the two, making subsequent operations more stable and safer. After the above operations are completed, fastener 7 is used to further securely connect module body 1 and expansion box 2 together, preventing connector 4 from detaching from connector 3. Therefore, this embodiment achieves initial fixation between the module body 1 and the expansion box 2 through the cooperation of the buckle 60 and the socket 61, and final fixation is then achieved using the fastener 7. This dual guarantee ensures the stability of the connection and effectively avoids loosening caused by vibration or external force, enhancing the safety and stability of the energy storage inverter during use. It should be noted that the plug 4 and plug socket 3 in this embodiment can be interchanged in their installation positions between the module body 1 and the expansion box 2. Similarly, the installation positions of the buckle 60 and the socket 61 in this embodiment are also interchangeable, which will not be described in detail here.

[0041] Reference Figure 2 and Figure 3 The guide component 5 includes a guide post 50 and a guide hole 51. The guide post 50 and the guide hole 51 are respectively located in the module body 1 and the expansion box 2. The guide post 50 is movably inserted into the guide hole 51.

[0042] As the expansion box 2 gradually approaches the module body 1, the guide post 50 can be accurately inserted into the guide hole 51 on the module body 1. The design of the guide post 50 and the guide hole 51 greatly simplifies the alignment process between the module body 1 and the expansion box 2, reduces unnecessary adjustment time, improves assembly efficiency, and this design allows even non-professionals to complete the installation quickly and accurately.

[0043] Reference Figure 4 The buckle 60 includes: a mounting base 600, a driving block 601, a moving block 602, a locking block 603, an end cover 606, and a connecting shaft 604. The connecting shaft 604 passes through and rotatably connects the driving block 601, the end cover 606, and the moving block 602. The mounting base 600 has an integrally formed connecting part 600a. The connecting part 600a is provided with a connecting pin 600b extending to the outside. The driving block 601 has an assembly hole 601a, which is movably fitted onto the connecting pin 600b.

[0044] Reference Figure 5 One end of the locking block 603 extends into the movable block 602, and the other end is movably engaged with the retainer 61. An elastic element 605 is also connected between the movable block 602 and the locking block 603. An end cap 606 covers the movable block 602 and one end abuts against the end of the movable block 602 opposite to the elastic element 605. In this embodiment, the elastic element 605 can be replaced by a compression spring, a return spring, or other elastic devices.

[0045] Reference Figure 5 When the drive block 601 is moved to rotate around the connecting pin 600b and away from the mounting base 600, the rotation of the drive block 601 drives the connecting shaft 604 to move synchronously. During this process, the moving block 602 is pushed towards the card seat 61, and the elastic element 605 releases its elastic potential energy synchronously, so that the end of the locking block 603 can disengage from the card seat 61 to achieve the unlocking operation. Similarly, when the drive block 601 is moved closer to the mounting base 600, the moving block 602 can move away from the card seat 61 and squeeze the elastic element 605 to contract, forcing the end of the locking block 603 to be tightly locked in the card seat 61 without disengaging. In this embodiment, the movable connection between the connecting pin 600b and the assembly hole 601a allows the drive block 601 to rotate around the connecting pin 600b, thereby realizing the locking and unlocking functions of the buckle 60 and the card seat 61. The overall structure is relatively simple and easy for users to operate flexibly. At the same time, it ensures the stability of the connection between the expansion box 2 and the module body 1, effectively avoiding the problem of loose connection caused by vibration or external force.

[0046] Reference Figure 5 In this embodiment, the card holder 61 includes a connecting plate 610 and a flange 611. The flange 611 is integrally formed on one end of the connecting plate. The connecting plate 610 has a mounting hole 610a. By passing screws or other connecting components through the mounting hole 610a, the connecting plate 610 can be fixed to the module body 1. When the locking block 603 is engaged with the flange 611, it restricts a certain degree of displacement freedom, which can accommodate assembly errors and ensure sufficient locking force, thereby improving the flexibility and stability of the connection.

[0047] The locking block 603 has a locking shaft 603a at its end, and an arc-shaped locking groove 611a is formed in the flange 611. The locking shaft 603a is movable and latched 60 in the arc-shaped locking groove 611a.

[0048] Reference Figure 2 and Figure 3 The module body 1 is provided with a first extension plate 10, and the expansion box 2 is provided with a second extension plate 20. The first extension plate 10 and the second extension plate 20 are set with a height difference, and both the first extension plate 10 and the second extension plate 20 are provided with connecting holes 200 so that the fasteners 7 can pass through the connecting holes 200 to fix the expansion box 2 to the module body 1.

[0049] As the expansion box 2 gradually approaches the module body 1, the guide post 50 is movably inserted into the guide hole 51. Simultaneously, the top wall of the second extension plate 20 is movably pressed against the bottom wall of the first extension plate 10 until the connection holes 200 of both are aligned, allowing the fastener 7 to pass through the connection holes 200 to secure the expansion box 2 and the module body 1. Figure 6 As shown, the end of the mounting base 600 away from the connecting part 600a also has an anti-disengagement hole 600c, and the driving block 601 has a locking hole 601b. When the locking hole 601b is aligned with the anti-disengagement hole 600c, the locking pin can pass through to restrict the rotation of the driving block 601.

[0050] When the drive block 601 is in Figure 1 When in the position shown, the locking shaft 603a is engaged in the arc-shaped locking groove 611a. At this time, the anti-disengagement hole 600c is aligned with the locking hole 601b. The rotation of the drive block 601 can be restricted by passing a locking pin (not shown in the figure) through the anti-disengagement hole 600c and the locking hole 601b.

[0051] The energy storage inverter proposed in this application can achieve initial fixation of the module body 1 and the expansion box 2 at the initial stage of connection through the buckle 60 and the bracket 61 in the pre-tightening component, avoiding displacement or misalignment before final tightening. This provides a guarantee for the fastener 7 to securely connect the expansion box 2 and the module body 1, simplifies the assembly process, and improves the overall structural stability.

[0052] It should be noted that in this invention, the use of terms such as "first," "second," and "a" is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this invention, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified. The terms "connection," "fixed," etc., should be interpreted broadly. For example, "fixed" can mean a fixed connection, a detachable connection, or an integral part; it can mean a mechanical connection or an electrical connection; it can mean a direct connection or an indirect connection through an intermediate medium; it can mean the internal communication of two elements or the interaction between two elements, unless otherwise explicitly specified. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0053] Furthermore, the technical solutions of the various embodiments of the present invention can be combined with each other, but only if they are feasible for those skilled in the art. If the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection claimed by the present invention.

[0054] The specific embodiments described herein are merely illustrative of the spirit of the invention. Those skilled in the art to which this invention pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of the invention or exceeding the scope defined by the appended claims.

Claims

1. An energy storage inverter, comprising a module body and an expansion box, wherein the module body and the expansion box are respectively provided with a socket and a connector, and when the module body is fixed to the expansion box, the connector is plugged into the socket, characterized in that, Also includes: A guide component is used to guide the module body to align and connect with the expansion box; The pre-tightening component includes a buckle and a retainer, the buckle and the retainer being respectively disposed on the module body and the expansion box. When the module body and the expansion box are aligned and connected, the buckle can be engaged with the retainer. Fasteners are used to secure the module body and the expansion box.

2. The energy storage inverter according to claim 1, characterized in that, The guiding component includes a guide post and a guide hole. The guide post and the guide hole are respectively located in the module body and the expansion box. The guide post is movably inserted into the guide hole.

3. The energy storage inverter according to claim 1, characterized in that, The buckle includes: a mounting base, a drive block, a moving block, a locking block, an end cover, and a connecting shaft. The connecting shaft passes through and rotatably connects the drive block, the end cover, and the moving block. The mounting base has a connecting portion, and the connecting portion is provided with a connecting pin extending to the outside. The drive block has an assembly hole, and the assembly hole is movably fitted onto the connecting pin.

4. The energy storage inverter according to claim 3, characterized in that, An elastic element is also connected between the moving block and the locking block.

5. An energy storage inverter according to claim 3, characterized in that, The mounting base also has an anti-disengagement hole at the end away from the connecting part, and a locking hole is provided on the driving block. When the locking hole is aligned with the anti-disengagement hole, a locking pin can pass through to restrict the rotation of the driving block.

6. The energy storage inverter according to claim 3, characterized in that, The card holder includes a connecting plate and a flange. The connecting plate has a mounting hole, the flange is located at one end of the connecting plate, and the locking block is movably engaged with the flange.

7. An energy storage inverter according to claim 6, characterized in that, The locking block has a locking shaft at its end, and an arc-shaped locking groove is formed inside the flange. The locking shaft is movably engaged in the arc-shaped locking groove.

8. The energy storage inverter according to claim 1, characterized in that, The module body is provided with a first extension plate, and the expansion box is provided with a second extension plate. The first extension plate and the second extension plate are set with a height difference, and both the first extension plate and the second extension plate are provided with connecting holes so that the fasteners can pass through the connecting holes to fix the expansion box to the module body.

9. An energy storage inverter according to claim 1, characterized in that, The fastener is a screw or a bolt.

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