Inverter shell with composite layer structure

By designing a composite layer structure and ventilation and heat dissipation system on the inverter housing, the heat dissipation problem of the inverter housing is solved, achieving more efficient heat dissipation effect and extended service life.

CN223246853UActive Publication Date: 2025-08-19GUANGZHOU JINGSHEN TRADING CO LTD
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Patent Information

Application Number
CN202422471181.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-12
Publication Date
2025-08-19
Estimated Expiration
2034-10-12

AI Technical Summary

Technical Problem

The existing inverter housing has difficulties in heat dissipation, especially photovoltaic inverters, which are difficult to effectively solve the heat dissipation problem.

Method used

An inverter shell with a composite layer structure is designed, including a fan installation cavity, mounting plate and inverter unit shell. A composite protective layer is set on the surface of an aluminum alloy plate, combined with a slider and a chute structure, adding heat dissipation fins and holes, and a fan is set in the fan installation cavity for ventilation and heat dissipation.

Benefits of technology

Through the composite layer structure and ventilation and heat dissipation design, the heat dissipation effect of the inverter is significantly improved and the service life and performance of the inverter is improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to an inverter housing with a composite layer structure, which comprises a fan mounting cavity, a mounting plate and inverter unit housings, at least two inverter unit housings are arranged on the mounting plate, sliding blocks are arranged on two sides of the bottom surface of an inverter, chutes matched with the sliding blocks are arranged on the mounting plate, and the fan mounting cavity is provided with a fan. The inverter unit shell is arranged in the sliding groove through the sliding block, fins and heat dissipation holes are arranged on the side face of the inverter unit shell, an isolation fence is arranged between every two adjacent inverters and fixed to a mounting plate, a fan mounting cavity is formed in the bottom face of the mounting plate, the inverter unit shell comprises an aluminum alloy plate, and the aluminum alloy plate is fixed to the side face of the aluminum alloy plate. A composite protection layer is arranged on the surface of the aluminum alloy plate, and the fan installation cavity and each inverter unit shell are arranged in a penetrating mode. According to the design, the fan mounting cavity can be used for cooling, and meanwhile, the designed anti-rust layer can play an anti-rust role on the inverter unit shell.
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Description

Technical Field

[0001] The utility model relates to the technical field of inverter shell processing, in particular to an inverter shell with a composite layer structure. Background Art

[0002] A power inverter (on-board power supply) is a convenient power converter that converts 12V DC power to 220V AC power, equivalent to mains electricity, for use in general electrical appliances. Existing inverter housings are primarily made of aluminum alloy, but heat dissipation is particularly challenging for photovoltaic inverter housings. In light of this, this invention was filed. Utility Model Content

[0003] In order to solve the above-mentioned problems in the prior art, the utility model provides an inverter housing with a composite layer structure to improve the above-mentioned deficiencies.

[0004] The utility model relates to an inverter housing with a composite layer structure, comprising a fan mounting cavity, a mounting plate and an inverter unit shell, at least two inverter unit shells are arranged on the mounting plate, sliders are arranged on both sides of the bottom surface of the inverter, a slide groove matching the slider is arranged on the mounting plate, the inverter unit shell is arranged in the slide groove through the slider, the bottom surface of the inverter unit shell is provided with an extension plate, the extension plate is fixed to the mounting plate by bolts, fins and heat dissipation holes are arranged on the side of the inverter unit shell, an isolation fence is arranged between adjacent inverters, the isolation fence is fixed on the mounting plate, a fan mounting cavity is arranged on the bottom surface of the mounting plate, the inverter unit shell is rectangular, and an air inlet is provided on its surface, the inverter unit shell comprises an aluminum alloy plate, a composite protective layer is provided on the surface of the aluminum alloy plate, and the fan mounting cavity and each inverter unit shell are arranged through.

[0005] Furthermore, there are three inverter unit shells.

[0006] Furthermore, the anti-rust layer includes a self-solidifying inorganic zinc-rich primer layer provided on the aluminum alloy plate and a polytetrafluoroethylene-containing lubricating and wear-resistant coating provided on the self-solidifying inorganic zinc-rich primer layer.

[0007] Furthermore, a light-curing metal surface protective coating layer is provided on the polytetrafluoroethylene-containing lubricating and wear-resistant coating.

[0008] Furthermore, a carbon fiber layer is provided on the aluminum alloy plate, and a fiber cloth layer and an aluminum film layer are not provided.

[0009] Furthermore, a glass fiber layer is provided on the surface of the aluminum film layer.

[0010] Furthermore, a fan installation recess is provided in the fan installation cavity.

[0011] The utility model has a novel design. The structure includes a fan installation cavity, a mounting plate and an inverter unit housing. At least two inverter unit housings are arranged on the mounting plate, wherein heat dissipation holes and heat dissipation fins are arranged on the inverter unit housing, and the inverter unit housing includes an aluminum alloy plate, and a composite protective layer is arranged on the surface of the aluminum alloy plate. The fan installation cavity and each inverter unit housing are arranged through, and the designed fan installation cavity is used for the installation of the fan. After the finished product, the inverter unit can be ventilated and cooled. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the structure of the utility model.

[0013] Figure 2 This is a schematic diagram of the side structure of the inverter unit housing.

[0014] Figure 3 This is the contact relationship diagram between the slider and the slide.

[0015] Figure 4 This is a schematic diagram of the front structure of the inverter unit.

[0016] Figure 5 Schematic diagram of the shell structure.

[0017] Diagram: 1 fan installation cavity, 2 installation plate, 21 slide groove, 3 inverter unit housing, 32 slider, 33 isolation fence, 30 heat dissipation fins, 301 heat dissipation holes, 4 air outlet, 5 fan installation recess, 11 aluminum alloy plate, 12 carbon fiber layer, 13 non-woven fabric layer, 14 aluminum film layer, 15 glass fiber layer, 16 self-solidifying inorganic zinc-rich primer layer, 17 polytetrafluoroethylene-containing lubricating and wear-resistant coating, 18 light-curing metal surface protective coating layer. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0019] like Figure 1-5As shown, the utility model relates to an inverter housing with a composite layer structure, including a fan mounting cavity 1, a mounting plate 2 and an inverter unit housing 3, at least two inverter unit housings 3 are arranged on the mounting plate, and the adjacent inverter unit housings are evenly spaced to avoid heat conduction between each other, sliders 32 are arranged on both sides of the bottom surface of the inverter, and a slide groove 21 matching the slider is arranged on the mounting plate, and the inverter unit housing is arranged in the slide groove through the slider, and the bottom surface of the inverter unit housing has an extension plate 31, and the extension plate is fixed to the mounting plate by bolts 6. Heat dissipation fins 30 and heat dissipation holes 301 are provided on the side of the inverter unit shell, and an isolation fence 33 is provided between adjacent inverters. The isolation fence is fixed on the mounting plate, and a fan installation cavity 1 is provided on the bottom of the mounting plate. The inverter unit shell is rectangular and has an air outlet 4 on its surface. The inverter unit shell includes an aluminum alloy plate, which is made of stainless steel or aluminum alloy. An anti-rust layer is provided on the surface of the aluminum alloy plate. The fan installation cavity and each inverter unit shell are connected. The fan can be installed in the fan installation cavity, and the fan blows air to cool the inverter.

[0020] As a technical improvement, there are three inverter unit shells.

[0021] As a technical improvement, the anti-rust layer includes a self-solidifying inorganic zinc-rich primer layer 16 provided on the aluminum alloy plate and a polytetrafluoroethylene-containing lubricating and wear-resistant coating 17 provided on the self-solidifying inorganic zinc-rich primer layer.

[0022] As a technical improvement, a light-cured metal surface protective coating layer 18 is provided on the polytetrafluoroethylene-containing lubricating and wear-resistant coating, which has excellent thermal insulation, rust and corrosion resistance and a long service life.

[0023] As a technical improvement, a carbon fiber layer 12, a non-woven fabric layer 13 and an aluminum film layer 15 are provided on the aluminum alloy plate. The designed non-woven fabric layer and the friction setting can increase the structural strength of the shell and improve the service life.

[0024] As a technical improvement, a glass fiber layer 15 is provided on the surface of the aluminum film layer, and the glass fiber layer can play a protective role.

[0025] As a technical improvement, a fan installation recess 5 is provided in the fan installation cavity. The installation recess is used for installing the fan, and the fan can dissipate heat from the inverter unit housing.

Claims

1. An inverter housing with a composite layer structure, characterized in that: It includes a fan mounting cavity, a mounting plate and an inverter unit shell. At least two inverter unit shells are arranged on the mounting plate. Sliders are arranged on both sides of the bottom surface of the inverter. A slide groove matching the slider is arranged on the mounting plate. The inverter unit shell is arranged in the slide groove through the slider. The bottom surface of the inverter unit shell has an extension plate, and the extension plate is fixed to the mounting plate by bolts. Fins and heat dissipation holes are arranged on the side of the inverter unit shell. An isolation fence is arranged between adjacent inverters, and the isolation fence is fixed on the mounting plate. A fan mounting cavity is arranged on the bottom surface of the mounting plate. The inverter unit shell is rectangular and has an air inlet on its surface. The inverter unit shell includes an aluminum alloy plate. A composite protective layer is arranged on the surface of the aluminum alloy plate. The fan mounting cavity and each inverter unit shell are arranged through.

2. The inverter housing with a composite layer structure according to claim 1, characterized in that: There are three inverter unit housings.

3. The inverter housing with a composite layer structure according to claim 1, characterized in that: The composite protective layer comprises a self-solidifying inorganic zinc-rich primer layer arranged on the aluminum alloy plate and a polytetrafluoroethylene-containing lubricating and wear-resistant coating layer arranged on the self-solidifying inorganic zinc-rich primer layer.

4. The inverter housing with a composite layer structure according to claim 3, characterized in that: A light-curing metal surface protective coating layer is provided on the polytetrafluoroethylene-containing lubricating and wear-resistant coating.

5. The inverter housing with a composite layer structure according to claim 4, characterized in that: The aluminum alloy plate is provided with a carbon fiber layer, a fiber cloth layer and an aluminum film layer.

6. The inverter housing with a composite layer structure according to claim 5, characterized in that: A glass fiber layer is arranged on the surface of the aluminum film layer.

7. The inverter housing with a composite layer structure according to claim 1, characterized in that: A fan installation recess is provided in the fan installation cavity.