A mounting bracket for a micro inverter

Abstract

This utility model relates to the field of inverter installation technology and discloses a mounting bracket for micro-inverters. The bracket includes a mounting frame with a disassembly mechanism on its top and a locking mechanism on its right side. The micro-inverter body is mounted on top of the disassembly mechanism, which includes a long slot fixedly connected to the top of the mounting frame. This mounting bracket for micro-inverters, through its disassembly mechanism, enables tool-free and highly efficient disassembly of the micro-inverter body. The user cranks a handwheel to drive a worm gear, which in turn drives a cam, releasing the mechanical limit on the insertion sleeve. This allows the entire inverter unit (including the long protrusion, middle protrusion, and insertion sleeve) to be safely pulled out of the long slot by hand. The entire process requires no external tools, avoiding the loss and corrosion of small parts (such as bolts) and greatly improving the efficiency and convenience of maintenance and repair, solving a long-standing on-site disassembly problem.

Description

Technical Field

[0001] This utility model relates to the field of inverter installation technology, specifically to a mounting bracket for micro inverters. Background Technology

[0002] Microinverters are the core equipment of distributed photovoltaic systems, typically used with 1-4 photovoltaic modules. Their core function is to convert the low-voltage DC power generated by the modules into AC power that meets grid standards and connect it to the grid through technologies such as MPPT (maximum power point tracking). They can independently optimize the power generation efficiency of a single module, avoid "mismatch losses" caused by shading, and are easy to install and maintain with a small impact range from failures. They are mainly used in residential rooftops and small-scale industrial and commercial distributed photovoltaic scenarios.

[0003] Microinverters typically require brackets for installation and are bolted to mounting bases (such as photovoltaic rails). While this connection method provides reliable mechanical strength, it reveals significant convenience issues during subsequent maintenance. After prolonged use, if disassembly, repair, or replacement of the microinverter is necessary, operators must rely on external tools (such as wrenches and screwdrivers) to loosen the fixing bolts. However, on-site construction environments are often complex, and the small bolt size not only makes them prone to corrosion and increases disassembly difficulty but also poses challenges in storage and loss. This situation significantly increases the time cost and operational complexity of maintenance operations, reducing maintenance efficiency. Utility Model Content

[0004] The purpose of this invention is to provide a mounting bracket for a micro inverter to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a mounting bracket for a micro inverter, comprising a mounting frame, a disassembly mechanism on the top of the mounting frame, a locking mechanism on the right side of the disassembly mechanism, and a micro inverter body on the top of the disassembly mechanism; The disassembly mechanism includes a long slot, which is fixedly connected to the top of the mounting bracket. A long protrusion is slidably connected to the inner wall of the long slot. A support box is fixedly connected to the bottom of the long slot. A support shaft is rotatably connected to the inner wall of the support box. A cam is fixedly connected to the front end of the support shaft. A worm gear is fixedly connected to the outer wall of the support shaft. A worm is meshed with the outer ring of the worm gear. A central protrusion is movably connected to the front of the long slot. An insertion sleeve is fixedly connected to the front of the central protrusion.

[0006] Preferably, the inner wall shape of the insertion sleeve matches the outer shape of the long groove, and the insertion sleeve is movably connected to the outer side of the long groove, so that the insertion sleeve can be inserted into the outer side of the long groove to achieve the purpose of sealing and limiting.

[0007] Preferably, the worm gear passes through the right side of the support box and rotates, and a handwheel is fixedly connected to the right end of the worm gear, so that the worm gear can be rotated by the handwheel.

[0008] Preferably, the support box has a rotating hole on its front side, and the support shaft is rotatably connected to the inner wall of the rotating hole, so as to provide stable support for the support shaft through the rotating hole.

[0009] Preferably, the micro inverter body is fixedly connected to the top of the long protrusion, and the worm gear is rotatably connected to the inner wall of the support box to provide stable support for the micro inverter body.

[0010] Preferably, the locking mechanism includes a short groove, which is fixedly connected to the right side of the support box. A short protrusion is slidably connected to the inner wall of the short groove. A second magnetic block is fixedly connected inside the short protrusion. An internal spline is fixedly connected to the bottom of the short protrusion. An external spline engages with the inner ring of the internal spline. A push shaft is fixedly connected to the back of the short protrusion. A support block is fixedly connected to the inner wall of the short groove. A first magnetic block is fixedly connected inside the support block, which facilitates locking of the worm gear and ensures stable installation performance.

[0011] Preferably, the right side of the first magnetic block and the left side of the second magnetic block are in contact with each other, and the sides of the two in contact with each other have opposite magnetic poles, which facilitates stable engagement and locking of the internal spline and the external spline.

[0012] Preferably, the external spline is fixedly connected to the outer wall of the magnetic block, and a slot is opened on the back of the short groove. The push shaft passes through the slot and moves, so that the push shaft can push the short protrusion to move through the slot.

[0013] Compared with the prior art, the present invention provides a mounting bracket for a micro inverter, which has the following advantages: 1. This mounting bracket for microinverters features a designed disassembly mechanism that enables tool-free and highly efficient disassembly of the microinverter unit. The user cranks a handwheel to drive a worm gear, which in turn rotates a cam, releasing the mechanical restraint on the insertion sleeve. This allows the entire inverter unit (including the long protrusion, middle protrusion, and insertion sleeve) to be safely pulled out of the slot by hand. The entire process requires no external tools, preventing the loss or corrosion of small parts (such as bolts) and significantly improving the efficiency and convenience of maintenance and repair, solving a long-standing on-site disassembly problem.

[0014] 2. This mounting bracket for micro-inverters features a locking mechanism that reliably locks and quickly releases the worm gear. When magnetic block one and magnetic block two attract each other, they simultaneously engage the internal and external splines, effectively preventing the worm gear from rotating unexpectedly due to vibration or other external factors, thus ensuring the absolute stability of the micro-inverter after installation. Simply pushing the push shaft separates the magnetic blocks and disengages the splines, instantly releasing the lock and allowing the worm gear to rotate, laying the foundation for subsequent non-destructive disassembly. The operation is extremely simple. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Figure 1 This is a front view of the structure of this utility model; Figure 2 This is a schematic diagram of the structure at the long protrusion. Figure 3 This is a schematic diagram of the structure at the support box. Figure 4 This is a schematic diagram of the structure at the short groove. Figure 5 This is a schematic diagram of the internal spline structure; Figure 6 This is a schematic diagram of the structure at the central protrusion.

[0016] In the diagram: 1. Mounting bracket; 2. Disassembly mechanism; 21. Long slot; 22. Long protrusion; 23. Support box; 24. Support shaft; 25. Cam; 26. Worm gear; 27. Worm; 28. Middle protrusion; 29. ​​Insertion sleeve; 3. Locking mechanism; 31. Short slot; 32. Short protrusion; 33. Magnetic block two; 34. Push shaft; 35. Internal spline; 36. External spline; 37. Magnetic block one; 38. Support block; 4. Micro inverter body. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0019] This utility model provides the following technical solution: Example 1 Combination Figures 1 to 6 A mounting bracket for a micro inverter includes a mounting frame 1, a disassembly mechanism 2 on the top of the mounting frame 1, a locking mechanism 3 on the right side of the disassembly mechanism 2, and a micro inverter body 4 on the top of the disassembly mechanism 2. This structure integrates the disassembly mechanism 2 and the locking mechanism 3 on the mounting frame 1 through modular design, realizing the rapid installation, reliable locking and tool-free disassembly of the micro inverter body 4, which greatly improves maintenance efficiency. The disassembly mechanism 2 includes a long slot 21, which is fixedly connected to the top of the mounting bracket 1. A long protrusion 22 is slidably connected to the inner wall of the long slot 21. A support box 23 is fixedly connected to the bottom of the long slot 21. A support shaft 24 is rotatably connected to the inner wall of the support box 23. A cam 25 is fixedly connected to the front end of the support shaft 24. A worm gear 26 is fixedly connected to the outer wall of the support shaft 24. A worm 27 is meshed with the outer ring of the worm gear 26. A middle protrusion 28 is movably connected to the front of the long slot 21. An insertion sleeve 29 is fixedly connected to the front of the middle protrusion 28. Through the ingenious combination of the worm gear 27 driving the worm gear 26 and the cam 25, the rotational motion is converted into precise limiting and release of the insertion sleeve 29, realizing mechanical self-locking and unlocking. The structure is stable and reliable.

[0020] Furthermore, the inner wall shape of the insertion sleeve 29 matches the outer shape of the long groove 21. The insertion sleeve 29 is movably connected to the outer side of the long groove 21, allowing the insertion sleeve 29 to be inserted into the outer side of the long groove 21. This ensures that the insertion sleeve 29 can be accurately inserted into the long groove 21 and achieve a tight fit, effectively preventing the middle protrusion 28 and the long protrusion 22 from accidentally coming out under vibration, thus playing a crucial secondary locking and anti-loosening role.

[0021] Furthermore, the worm gear 27 passes through the right side of the support box 23 and rotates. A handwheel is fixedly connected to the right end of the worm gear 27. The handwheel provides a direct and labor-saving human-machine interface. Users can control the movement of the entire disassembly mechanism 2 by rotating the handwheel without any additional tools. The operation is simple and intuitive.

[0022] Furthermore, the support box 23 has a rotating hole on its front side, and the support shaft 24 is rotatably connected to the inner wall of the rotating hole. The rotating hole provides high-precision rotational support for the support shaft 24, ensuring that the support shaft 24 and the worm gear 26 and cam 25 fixed thereon can rotate smoothly and concentrically, thus ensuring the accuracy of power transmission and the durability of the mechanism.

[0023] Furthermore, the micro inverter body 4 is fixedly connected to the top of the long protrusion 22, and the worm gear 27 is rotatably connected to the inner wall of the support box 23. This connection transmits the weight and working load of the micro inverter body 4 to the mounting frame 1 through the long protrusion 22 and the support box 23. The independent support of the worm gear 27 ensures that the transmission system is not disturbed by lateral forces, thus guaranteeing the stability of long-term operation.

[0024] Example 2 See Figures 1 to 6 Furthermore, based on Embodiment 1, the locking mechanism 3 further includes a short groove 31, which is fixedly connected to the right side of the support box 23. A short protrusion 32 is slidably connected to the inner wall of the short groove 31. A second magnetic block 33 is fixedly connected inside the short protrusion 32. An inner spline 35 is fixedly connected to the bottom of the short protrusion 32. An outer spline 36 is engaged with the inner ring of the inner spline 35. A push shaft 34 is fixedly connected to the back of the short protrusion 32. A support block 38 is fixedly connected to the inner wall of the short groove 31. A first magnetic block 37 is fixedly connected inside the support block 38. By combining the magnetic attraction of the first magnetic block 37 and the second magnetic block 33 with the mechanical interlocking of the inner spline 35 and the outer spline 36, a double locking of the worm gear 27 is achieved, effectively preventing it from rotating unexpectedly under external vibration and impact, resulting in extremely high safety and reliability.

[0025] Furthermore, the right side of magnetic block 1 37 and the left side of magnetic block 2 33 are in close contact, and the sides of the two in contact with each other are opposite magnetic poles. The magnetic attraction generated by the opposite poles can automatically ensure that the inner spline 35 and the outer spline 36 are in a fully engaged state, while providing a continuous holding force for the entire locking state, making the locking more secure and having a self-centering effect.

[0026] Furthermore, the external spline 36 is fixedly connected to the outer wall of the magnetic block 37, and a slot is opened on the back of the short groove 31. The push shaft 34 passes through the slot and moves. The external spline 36 is fixedly connected to the end of the worm gear 27, thereby directly restricting the rotation of the worm gear 27. The slot provides precise guidance for the push shaft 34, ensuring that the movement trajectory is straight when pushing the short protrusion 32, and can smoothly overcome the magnetic force to achieve the disengagement and unlocking of the spline.

[0027] In actual operation, when this device is in use, it can be installed on the equipment being used by using the mounting bracket 1 and bolts. During long-term use, when it is necessary to disassemble and repair the micro inverter body 4, the push shaft 34 is pushed to move the short protrusion 32, so that the second magnetic block 33 can be disengaged from the first magnetic block 37. The short protrusion 32 will also move the inner spline 35 and prevent it from engaging with the outer spline 36. At this time, the worm gear 27 is in a rotatable state, which facilitates further disassembly. Similarly, when the first magnetic block 37 and the second magnetic block 33 are attracted to each other, the inner spline 35 and the outer spline 36 engage, which can strengthen the worm gear 27 and reduce the rotation of the worm gear 27 due to external influences, thus ensuring the stability during installation.

[0028] After the reinforcement of worm 27 is removed, the handwheel can be turned to rotate worm 27. Worm 27 and worm wheel 26 are meshed, so they will drive support shaft 24 to rotate. Support shaft 24 drives cam 25 to make a circular motion along the axis of support shaft 24, so that cam 25 is no longer located on the front of insertion sleeve 29. Then, insertion sleeve 29 is pulled out from the outside of long groove 21, and protrusion 28 is pulled out from the inner wall of long groove 21. Then, through micro inverter body 4, long protrusion 22 is pulled out from the inner wall of long groove 21, thus realizing the disassembly of micro inverter body 4, achieving good disassembly efficiency, and without the need for external tools. At the same time, after long protrusion 22 is completely pulled out from the inner wall of long groove 21, insertion sleeve 29 can be inserted back into the outside of long groove 21, thus avoiding the loss of parts and facilitating further installation work.

[0029] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

Claims

1. A mounting bracket for a micro inverter, comprising a mounting frame (1), characterized in that: The mounting bracket (1) is provided with a disassembly mechanism (2) on the top, a locking mechanism (3) is provided on the right side of the disassembly mechanism (2), and a micro inverter body (4) is provided on the top of the disassembly mechanism (2). The disassembly mechanism (2) includes a long groove (21), which is fixedly connected to the top of the mounting bracket (1). A long protrusion (22) is slidably connected to the inner wall of the long groove (21). A support box (23) is fixedly connected to the bottom of the long groove (21). A support shaft (24) is rotatably connected to the inner wall of the support box (23). A cam (25) is fixedly connected to the front end of the support shaft (24). A worm gear (26) is fixedly connected to the outer wall of the support shaft (24). A worm (27) meshes with the outer ring of the worm gear (26). A middle protrusion (28) is movably connected to the front of the long groove (21). An insertion sleeve (29) is fixedly connected to the front of the middle protrusion (28).

2. The mounting bracket for a micro inverter according to claim 1, characterized in that: The inner wall shape of the insertion sleeve (29) matches the outer shape of the long groove (21), and the insertion sleeve (29) is movably connected to the outer side of the long groove (21).

3. The mounting bracket for a micro inverter according to claim 1, characterized in that: The worm (27) passes through the right side of the support box (23) and rotates, and a handwheel is fixedly connected to the right end of the worm (27).

4. A mounting bracket for a micro inverter according to claim 1, characterized in that: The support box (23) has a rotating hole on its front side, and the support shaft (24) is rotatably connected to the inner wall of the rotating hole.

5. A mounting bracket for a micro inverter according to claim 1, characterized in that: The micro inverter body (4) is fixedly connected to the top of the long protrusion (22), and the worm gear (27) is rotatably connected to the inner wall of the support box (23).

6. A mounting bracket for a micro inverter according to claim 1, characterized in that: The locking mechanism (3) includes a short groove (31), which is fixedly connected to the right side of the support box (23). A short protrusion (32) is slidably connected to the inner wall of the short groove (31). A magnetic block (33) is fixedly connected inside the short protrusion (32). An inner spline (35) is fixedly connected to the bottom of the short protrusion (32). An outer spline (36) is engaged in the inner ring of the inner spline (35). A push shaft (34) is fixedly connected to the back of the short protrusion (32). A support block (38) is fixedly connected to the inner wall of the short groove (31). A magnetic block (37) is fixedly connected inside the support block (38).

7. A mounting bracket for a microinverter according to claim 6, characterized in that: The right side of magnetic block one (37) is in contact with the left side of magnetic block two (33), and the sides of the two in contact with each other are opposite magnetic poles.

8. A mounting bracket for a micro inverter according to claim 6, characterized in that: The external spline (36) is fixedly connected to the outer wall of the magnetic block (37), the short groove (31) has a slot on the back, and the push shaft (34) passes through the slot and moves.

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