Easily-maintained case structure of power frequency inverter

By using a detachable fixing plate and sliding tray structure inside the enclosure, combined with a snap-fit ​​and guide rail design, the problem of inconvenient maintenance of the industrial frequency inverter enclosure is solved, enabling easy-to-maintain modular installation, improving maintenance efficiency and product lifespan.

CN223730097UActive Publication Date: 2025-12-26GUANGZHOU FELICITY SOLAR TECH
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Patent Information

Application Number
CN202520544289.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-25
Publication Date
2025-12-26
Estimated Expiration
2035-03-25

AI Technical Summary

Technical Problem

Existing industrial frequency inverters have complex chassis structures, making maintenance inconvenient, resulting in time-consuming and labor-intensive repairs, high maintenance costs, and affecting product lifespan.

Method used

The system employs a removable fixing plate and sliding installation tray structure within the enclosure, combined with a snap-fit ​​and guide rail design, to achieve modular installation and disassembly, simplifying the plate replacement process.

Benefits of technology

It improves maintenance efficiency, reduces repair costs, and extends product lifespan.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223730097U_ABST
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Abstract

The utility model provides an easy-to-maintain case structure of a power frequency inverter. The easy-to-maintain case structure comprises a case body, a fixing plate, a first mounting tray, a second mounting tray, a transformer, a first functional module and a second functional module, a cavity is formed in the box body, the fixing plate is detachably arranged in the cavity, the first mounting tray and the second mounting tray are both slidably mounted in the cavity, and the transformer is mounted on the side, away from the first mounting tray, of the fixing plate; the first function module is arranged on the first mounting tray, and the second function module is arranged on the second mounting tray. According to the easy-to-maintain case structure of the power frequency inverter, the case body, the fixing plate, the first mounting tray, the second mounting tray, the transformer, the first functional module and the second functional module are mounted in a matched manner, so that replacement of plates and damaged components on the plates becomes more convenient, and the mounting efficiency of the whole machine is improved conveniently. And the whole maintenance is strong, time and labor are saved during assembly and disassembly, the maintenance cost is low, and the service life of the product is indirectly prolonged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of power frequency inverter, especially to a power frequency inverter easy-to-maintain case structure. BACKGROUND

[0002] With the continuous progress of photovoltaic technology, the use range of solar power frequency inverters is wider and wider, and the internal structure of the case of many power frequency inverters on the market is complex, lacking consideration of the maintainability of the product, resulting in that many products are inconvenient to maintain, and many parts need to be disassembled to replace some damaged parts or components, which is time-consuming and laborious to disassemble and assemble the parts during maintenance, and the maintenance cost is high. The poor maintainability caused by the design of the product case indirectly affects the service life of the product. UTILITY MODEL CONTENTS

[0003] To solve the above problems, the utility model adopts the following technical scheme: a power frequency inverter easy-to-maintain case structure, comprising: a box body, a fixed plate, a first installation tray, a second installation tray, a transformer, a first function module and a second function module.

[0004] The box body has a cavity inside, the fixed plate is detachably arranged in the cavity, the first installation tray and the second installation tray are both slidingly installed in the cavity, and the transformer is installed on the side of the fixed plate away from the first installation tray.

[0005] The first function module is arranged on the first installation tray, and the second function module is arranged on the second installation tray.

[0006] Further, a cover plate is rotatably arranged on the box body and covers the top of the cavity.

[0007] Further, the cover plate and the box body are movably connected through buckles.

[0008] Further, an air inlet mesh plate is arranged at one end of the box body, and a top cover is arranged at the other end, the air inlet mesh plate covers one side of the first installation tray and the second installation tray, and the top cover covers one side of the transformer.

[0009] Further, a detachable upper cover is arranged on the box body and covers the top of the cavity, and the upper cover movably abuts against the cover plate.

[0010] Further, the first function module is an inverter function module.

[0011] Further, the second function module is an MPPT function module.

[0012] Further, a first guide rail is arranged on each of the two inner side walls of the box, the two first guide rails are arranged correspondingly, and one side of the first mounting tray is arranged to slide on one of the first guide rails and the other side is arranged to slide on the other first guide rail.

[0013] Further, a second guide rail is arranged on each of the two inner side walls of the box, the two second guide rails are arranged correspondingly, and one side of the second mounting tray is arranged to slide on one of the second guide rails and the other side is arranged to slide on the other second guide rail.

[0014] Further, a touch display screen is arranged on the upper cover, and the touch display screen is electrically connected with the control function module arranged on the fixed plate.

[0015] The beneficial effects of the utility model are that: using the machine case structure easy to maintain of the power frequency inverter, through the cooperation and installation between the box, the fixed plate, the first mounting tray, the second mounting tray, the transformer, the first function module and the second function module, it is more convenient to replace the damaged components on the board and the board, and the installation efficiency of the whole machine is improved. The overall maintenance is strong, the disassembly and assembly are time-saving and labor-saving, the maintenance cost is low, and the service life of the product is indirectly improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] The drawings further illustrate the utility model, but the embodiments in the drawings do not constitute any limitation on the utility model.

[0017] Fig. 1 A direction schematic view of a machine case structure easy to maintain of a power frequency inverter is provided for an embodiment.

[0018] Fig. 2 A direction explosion schematic view of a machine case structure easy to maintain of a power frequency inverter is provided for an embodiment. DETAILED DESCRIPTION

[0019] The technical scheme of the utility model will be further described below in combination with the drawings of the embodiments of the utility model, and the utility model is not limited to the following specific embodiments. It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict.

[0020] As Figs. 1-2As shown, a power frequency inverter easy-to-maintain cabinet structure comprises a cabinet 100, a fixed plate 200, a first mounting tray 300, a second mounting tray 400, a transformer 500, a first functional module 600 and a second functional module 700. The cabinet 100 has a cavity inside, the fixed plate 200 is detachably arranged in the cavity, the first mounting tray 300 and the second mounting tray 400 are both slidingly arranged in the cavity, and the transformer 500 is arranged on the side of the fixed plate 200 away from the first mounting tray 300. The first functional module 600 is arranged on the first mounting tray 300, and the second functional module 700 is arranged on the second mounting tray 400.

[0021] Specifically, a cover plate 800 is rotatably arranged on the cabinet 100, and the cover plate 800 is movably arranged above the cavity. The cover plate 800 is movably connected with the cabinet 100 through a buckle 810. One end of the cabinet 100 is provided with an air inlet screen 110, and the other end is provided with a top cover 120. The air inlet screen 110 is movably arranged on one side of the first mounting tray 300 and the second mounting tray 400, and the top cover 120 is movably arranged on one side of the transformer 500. The cabinet 100 is detachably provided with an upper cover 900, which is movably arranged above the cavity, and the upper cover 900 is movably abutted with the cover plate 800. Further, the first functional module 600 is an inverter functional module, and the second functional module 700 is an MPPT functional module.

[0022] In one embodiment, a first guide rail 301 is arranged on each of the two inner side walls of the cabinet 100, and the two first guide rails 301 are correspondingly arranged. One side of the first mounting tray 300 is slidingly arranged on one of the first guide rails 301, and the other side is slidingly arranged on the other first guide rail 301. A second guide rail is arranged on each of the two inner side walls of the cabinet 100, and the two second guide rails are correspondingly arranged. One side of the second mounting tray 400 is slidingly arranged on one of the second guide rails, and the other side is slidingly arranged on the other second guide rail. A touch display screen 910 is arranged on the upper cover 900, and the touch display screen 910 is electrically connected with a control functional module arranged on the fixed plate 200.

[0023] That is, using the easy-to-maintain cabinet structure of the power frequency inverter to assemble the inverter, the fixing plate 200 is installed in the cavity, the fixing plate 200 is used to install the power and control function module, then the transformer 500 is installed in the cavity, and the transformer 500 is located on one side of the fixing plate 200. Then the inverter function module is installed on the first mounting tray 300, the MPPT function module is installed on the second mounting tray 400, and wiring is performed respectively to realize electrical conduction. After installation, the first mounting tray 300 and the second mounting tray 400 are pushed into the cavity, and then the air inlet mesh plate 110 is covered from the side, which can not only play the role of air inlet, but also can resist the first mounting tray 300 and the second mounting tray 400 to realize the fixing effect. Since the cover plate 800 is rotatably arranged on the cabinet 100 and is fixed by the buckle 810, it is worth mentioning that the press buckle 810 is used, that is, the MPPT function module and the inverter function module part use a similar modular structure, which makes it more convenient to replace the damaged components on the board and the damaged components on the board. The press buckle 810 structure is used to open and close, which can improve the installation efficiency of the whole machine. Then the top cover 120 is installed on one side of the cabinet 100, and it is worth mentioning that the top cover 120 is provided with a plurality of air outlets, and each air outlet is communicated with the cavity.

[0024] Further, after the touch display screen 910 is electrically connected with the control function module, the upper cover 900 is installed, that is, the upper cover 900 and the cover body close the cavity from one side of the cavity.

[0025] In summary, the above-mentioned embodiments are not the limiting embodiments of the present application, and any modification or equivalent deformation made by those skilled in the art on the basis of the essential content of the present application is within the technical scope of the present application.

Claims

1. A power frequency inverter maintenance-friendly cabinet structure, characterized by, Include: Box, fixed plate, first installation tray, second installation tray, transformer, first function module and second function module; The inside of the box has a cavity, the fixed plate is detachably arranged in the cavity, the first installation tray and the second installation tray are both slidingly installed in the cavity, and the transformer is installed on the side of the fixed plate away from the first installation tray; The first function module is arranged on the first installation tray, and the second function module is arranged on the second installation tray.

2. The maintenance-friendly cabinet structure for a power frequency inverter according to claim 1, characterized in that: A cover plate is rotatably arranged on the box, and the cover plate is movably covered on the top of the cavity.

3. The maintenance-friendly cabinet structure of the power frequency inverter according to claim 2, characterized in that: The cover plate and the box are movably connected by buckling.

4. The line frequency inverter maintainable cabinet structure according to claim 3, characterized in that: One end of the box is provided with an air inlet screen, and the other end is provided with a top cover, the air inlet screen is movably covered on one side of the first installation tray and the second installation tray, and the top cover is covered on one side of the transformer.

5. The line frequency inverter maintainable cabinet structure according to claim 4, characterized in that: A detachable upper cover is arranged on the box, the upper cover is covered on the top of the cavity, and the upper cover and the cover plate are movably abutted.

6. The line frequency inverter maintainable cabinet structure according to claim 5, characterized in that: The first function module is an inverter function module.

7. The line frequency inverter maintainable cabinet structure according to claim 6, characterized in that: The second function module is an MPPT function module.

8. The line frequency inverter maintainable cabinet structure according to claim 7, characterized in that: A first guide rail is arranged on each of the two inner side walls of the box, the two first guide rails are correspondingly arranged, one side of the first installation tray is slidingly arranged on one of the first guide rails, and the other side is slidingly arranged on the other first guide rail.

9. The line frequency inverter maintainable cabinet structure according to claim 8, characterized in that: A second guide rail is arranged on each of the two inner side walls of the box, the two second guide rails are correspondingly arranged, one side of the second installation tray is slidingly arranged on one of the second guide rails, and the other side is slidingly arranged on the other second guide rail.

10. The line frequency inverter maintainable cabinet structure according to claim 9, characterized in that: A touch display screen is arranged on the upper cover, and the touch display screen is electrically connected with a control function module arranged on the fixed plate.