Solar inverter convenient to overhaul
By designing a first fixing plate, fixing rod, and locking structure on the solar inverter, the problem of inconvenient disassembly and assembly of the casing in the existing technology is solved, realizing convenient disassembly, assembly, and maintenance of the casing.
Patent Information
- Application Number
- CN202423256560.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-29
- Publication Date
- 2026-01-06
- Estimated Expiration
- 2034-12-29
AI Technical Summary
Existing solar inverters have a simple structure, and the casing is connected by bolts, which makes disassembly and assembly inconvenient and maintenance difficult.
The locking structure employs a first fixing plate, a fixing rod, a second fixing plate, and a buckle rod. The outer shell is easily assembled and disassembled using a torsion spring and a connecting plate, and the outer shell is quickly separated using a pressure plate and a limiting rod.
It enables easy disassembly and assembly of the solar inverter casing, facilitating repair and maintenance.
Smart Images

Figure CN223771930U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of solar inverter technology, specifically a solar inverter that is easy to maintain. Background Technology
[0002] Solar inverters, also known as photovoltaic inverters, are an indispensable part of solar photovoltaic systems. Their main function is to convert the direct current (DC) generated by solar panels into alternating current (AC) required by household appliances. Through the processing of a full-bridge circuit and an SPWM processor, the inverter can modulate, filter, and boost the DC power, ultimately outputting sinusoidal AC power that matches the load frequency and rated voltage for use by end users. However, the solar inverters currently used on the market have relatively simple structures, and their casings are basically connected and fixed by bolts, making disassembly and assembly inconvenient and thus difficult to maintain. Therefore, a solar inverter that is easy to maintain is proposed. Utility Model Content
[0003] The purpose of this utility model is to provide a solar inverter that is easy to maintain, in order to solve the problem mentioned in the background art that the solar inverters currently used in the market have a relatively simple structure and their shells are basically connected and fixed by bolts, which makes disassembly and assembly inconvenient and thus difficult to maintain.
[0004] To achieve the above objectives, this utility model provides the following technical solution: a solar inverter that is easy to maintain, comprising a solar inverter, mounting plates fixedly installed on both sides of the solar inverter, an outer shell covering the outer side of the solar inverter, multiple first fixing plates fixedly installed on both sides of the outer shell, a fixing rod fixedly installed between every two first fixing plates, two second fixing plates fixedly installed on the top of the mounting plate and the second fixing plates being located between two first fixing plates, the fixing rod slidingly fastening inside the second fixing plate, a latching rod fixedly installed on one side of the second fixing plate, and a locking structure provided on one side of the first fixing plate.
[0005] Preferably, the locking structure includes two fixed seats, which are respectively fixedly installed on one side of two first fixed plates. A connecting plate is rotatably arranged between the two fixed seats. A connecting rod is fixedly arranged on both sides of the connecting plate and is rotatably installed inside the fixed seat. A torsion spring is sleeved on the outside of the connecting rod and its two ends are fixedly connected to the fixed seat and the connecting rod, respectively. A fastening plate is fixedly arranged on one end of the connecting plate and is fastened to the fastening rod. A pressure plate is fixedly arranged on the other end of the connecting plate. Limiting rods are fixedly arranged on both sides of the pressure plate. Engaging plates are fixedly arranged on both ends of the first fixed plates, and the limiting rods are fastened to the engagement plates.
[0006] Preferably, the second fixing plate has a slot inside, and the fixing rod is fastened inside the slot.
[0007] Preferably, the fixing base has a connecting hole inside, and both the connecting rod and the torsion spring are located inside the connecting hole.
[0008] Preferably, one end of the fastening plate has a fastening groove, which is fastened to the fastening rod.
[0009] Preferably, the interlocking plate has a C-shaped groove inside, and the size of the limiting rod is adapted to the C-shaped groove.
[0010] Compared with the prior art, the present invention, by adopting the above technical solution, has the following technical effects:
[0011] This utility model, by setting a first fixing plate, a fixing rod, a second fixing plate, and a buckle, allows multiple first fixing plates on both sides of the outer shell to fasten to the outside of the second fixing plate during installation. The fixing rod between the two first fixing plates will engage with the inside of the second fixing plate. At the same time, the torsion spring will drive the fastening plate to engage with the outside of the buckle through the connecting rod and the connecting plate. During maintenance, pressing the pressure plate will cause the limiting rods on both sides of the pressure plate to engage with the inside of the interlocking plate, thereby separating the fastening plate from the buckle and facilitating the disassembly and assembly of the outer shell. Attached Figure Description
[0012] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0013] Figure 1 This is a side view of the structure of this utility model;
[0014] Figure 2 This is a schematic diagram of the locking structure of this utility model;
[0015] Figure 3 This is a schematic diagram of the exploded structure of this utility model;
[0016] Figure 4 This is a schematic diagram of the connection structure between the first fixing plate and the second fixing plate of this utility model.
[0017] Explanation of reference numerals in the attached drawings: 1. Main body of solar inverter; 2. Mounting plate; 3. Outer shell; 4. First fixing plate; 5. Fixing rod; 6. Second fixing plate; 7. Buckle rod; 8. Fixing base; 9. Connecting plate; 10. Connecting rod; 11. Torsion spring; 12. Fastening plate; 13. Pressure plate; 14. Limiting rod; 15. Engaging plate. Detailed Implementation
[0018] 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.
[0019] It should be noted that the structures, proportions, sizes, etc., shown in the accompanying drawings of this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed in the specification, and are not intended to limit the conditions under which this application can be implemented. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size should still fall within the scope of the technical content disclosed in this application, provided that they do not affect the effects and purposes that this application can produce. Example
[0020] In the current technology, the solar inverters used in the market have a relatively simple structure. Their casings are basically connected and fixed by bolts, which makes disassembly and assembly inconvenient and thus makes maintenance difficult.
[0021] Please see Figure 1-4 This utility model provides a technical solution: a solar inverter that is easy to maintain, including a solar inverter 1. Mounting plates 2 are fixedly installed on both sides of the solar inverter 1. A housing 3 covers the outer side of the solar inverter 1. Multiple first fixing plates 4 are fixedly installed on both sides of the housing 3. A fixing rod 5 is fixedly installed between every two first fixing plates 4. Two second fixing plates 6 are fixedly installed on the top of the mounting plate 2, with the second fixing plates 6 positioned between the two first fixing plates 4. The fixing rod 5 slides and latches inside the second fixing plate 6. A latching rod 7 is fixedly installed on one side of the second fixing plate 6. A locking structure is provided on one side of the first fixing plate 4. When installing the housing 3, the housing 3 is installed on the outside of the solar inverter 1. The multiple first fixing plates 4 on both sides of the housing 3 will latch onto the outside of the second fixing plates 6. Simultaneously, the fixing rod 5 between the two first fixing plates 4 will engage with the inside of the second fixing plate 6, thereby securing the inverter and facilitating disassembly and assembly. The solar inverter 1 is then fixedly installed using the mounting plates 2.
[0022] The locking structure includes two fixed seats 8, which are respectively fixedly installed on one side of two first fixed plates 4. A connecting plate 9 is rotatably arranged between the two fixed seats 8. Connecting rods 10 are fixedly arranged on both sides of the connecting plate 9 and are rotatably installed inside the fixed seats 8. A torsion spring 11 is sleeved on the outside of the connecting rod 10, and the two ends of the torsion spring 11 are fixedly connected to the fixed seat 8 and the connecting rod 10 respectively. A fastening plate 12 is fixedly arranged on one end of the connecting plate 9 and fastens with the fastening rod 7. A pressure plate 13 is fixedly arranged on the other end of the connecting plate 9. Both sides of the pressure plate 13 are fixedly arranged with... There is a limiting rod 14, and both ends of the first fixing plate 4 are fixedly provided with engagement plates 15. The limiting rod 14 and the engagement plates 15 are fastened together. When the outer shell 3 is installed, the second fixing plate 6 is located between the two first fixing plates 4. When it slides to the appropriate position, the torsion spring 11 will drive the fastening plate 12 to engage with the outer side of the fastening rod 7 through the connecting rod 10 and the connecting plate 9, thereby limiting the first fixing plate 4. When performing maintenance, press the pressure plate 13 to make the limiting rods 14 on both sides of the pressure plate 13 engage with the inside of the engagement plates 15, thereby separating the fastening plate 12 from the fastening rod 7, which facilitates the disassembly and assembly of the outer shell 3.
[0023] The second fixing plate 6 has a slot inside, and the fixing rod 5 is fastened inside the slot, so that the first fixing plate 4 and the second fixing plate 6 are connected together by the fixing rod 5.
[0024] The fixed base 8 has a connecting hole inside, and the connecting rod 10 and the torsion spring 11 are both inside the connecting hole. The connecting plate 9 is hinged between the two fixed bases 8 through the connecting rod 10 and the torsion spring 11.
[0025] One end of the fastening plate 12 has a fastening groove, which is fastened to the fastening rod 7. The fastening plate 12 and the fastening rod 7 are fastened together to limit and fix the first fixing plate 4.
[0026] The interlocking plate 15 has a C-shaped groove inside. The size of the limiting rod 14 is adapted to the C-shaped groove. The connecting plate 9 is fixed by the limiting rod 14 engaging with the interlocking plate 15.
[0027] The solar inverter 1 in this application is model WEIJINFU. Its structure and operating principle are existing technologies, so its structure and operating principle will not be described in detail here.
[0028] The working principle or structural principle is as follows: When installing the outer casing 3, the outer casing 3 is installed on the outside of the solar inverter 1. Multiple first fixing plates 4 on both sides of the outer casing 3 will be fastened to the outside of the second fixing plate 6. When it slides to the designated position, the fixing rod 5 between the two first fixing plates 4 will be fastened to the inside of the second fixing plate 6, thereby fixing it. At the same time, the torsion spring 11 will drive the fastening plate 12 to be fastened to the outside of the fastening rod 7 through the connecting rod 10 and the connecting plate 9, thereby limiting the first fixing plate 4. When performing maintenance, press the pressure plate 13 to make the limiting rods 14 on both sides of the pressure plate 13 be fastened to the inside of the interlocking plate 15, thereby separating the fastening plate 12 from the fastening rod 7, making it convenient to disassemble and assemble the outer casing 3.
[0029] Those skilled in the art will understand that the features described in the various embodiments and / or claims of this utility model can be combined or combined in various ways, even if such combinations or combinations are not explicitly described in this utility model. In particular, the features described in the various embodiments and / or claims of this utility model can be combined or combined in various ways without departing from the spirit and teachings of this utility model. All such combinations and / or combinations fall within the scope of this utility model.
Claims
1. A solar inverter for easy maintenance, comprising a solar inverter (1), characterized in that: The solar inverter (1) is fixedly provided with mounting plates (2) on both sides, and an outer shell (3) covers the outer side of the solar inverter (1), a plurality of first fixing plates (4) are fixedly provided on both sides of the outer shell (3), a fixing rod (5) is fixedly provided between every two first fixing plates (4), two second fixing plates (6) are fixedly provided on the top of the mounting plate (2) and between the two first fixing plates (4), the fixing rod (5) is slidably buckled in the second fixing plate (6), a buckle rod (7) is fixedly provided on one side of the second fixing plate (6), and a lock buckle structure is provided on one side of the first fixing plate (4).
2. The solar inverter of claim 1, wherein: The lock buckle structure comprises two fixing seats (8), the two fixing seats (8) are fixedly installed on one side of the two first fixing plates (4) respectively, a connecting plate (9) is rotatably provided between the two fixing seats (8), connecting rods (10) are fixedly provided on both sides of the connecting plate (9) and rotatably installed in the fixing seat (8), torsional springs (11) are sleeved on the outer sides of the connecting rods (10) and fixedly connected at both ends to the fixing seat (8) and the connecting rod (10) respectively, a buckling plate (12) is fixedly provided at one end of the connecting plate (9) and buckled with the buckle rod (7), a pressing plate (13) is fixedly provided at the other end of the connecting plate (9), limit rods (14) are fixedly provided on both sides of the pressing plate (13), and clamping plates (15) are fixedly provided at both ends of the first fixing plate (4), the limit rods (14) are buckled with the clamping plates (15).
3. The solar inverter of claim 1, wherein: The second fixing plate (6) is internally provided with a clamping groove, and the fixing rod (5) is buckled in the clamping groove.
4. The solar inverter of claim 2, wherein: The fixing seat (8) is internally provided with a connecting hole, and the connecting rod (10) and the torsional spring (11) are both in the connecting hole.
5. The solar inverter of easy maintenance according to claim 2, characterized in that: One end of the buckling plate (12) is provided with a buckling groove, and the buckling groove is buckled with the buckle rod (7).
6. The solar inverter of easy maintenance according to claim 2, characterized in that: The clamping plate (15) is internally provided with a C-shaped buckling groove, and the limit rod (14) is sized to fit the C-shaped buckling groove.