A heat insulation device to prevent condensation

By using K-type insulation components to disconnect the heat conduction path of the air conditioner casing, the problem of condensation caused by the thermal conductivity of the metal casing is solved, achieving both insulation effect and structural stability, and avoiding the problems of condensation and insulation material falling off.

CN224434667UActive Publication Date: 2026-06-30ZHONGSHAN SHENBAO ELECTRIC APPLIANCES MFG
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHONGSHAN SHENBAO ELECTRIC APPLIANCES MFG
Filing Date
2025-07-09
Publication Date
2026-06-30

AI Technical Summary

Technical Problem

The thermal conductivity of the metal material in the existing air conditioner casing causes condensation when there is a large temperature difference. Existing insulation materials cannot effectively block heat conduction and are prone to falling off, affecting aesthetics and safety.

Method used

The K-type thermal insulation component consists of a support plate, an internal snap-fit ​​wing plate, an external snap-fit ​​wing plate, and a partition. The heat conduction path of the metal shell is interrupted by the integrally molded K-type thermal insulation component. Fiberglass reinforced plastic material is used to ensure structural stability and form a seal at the joints to prevent condensation.

Benefits of technology

It effectively blocks the heat conduction path of the metal casing, prevents water condensation on the inner side of the casing surface, maintains product compactness, reduces maintenance costs, and improves airtightness and structural stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model relates to the technical field of air conditioner casing heat insulation devices, and more particularly to a heat insulation treatment device for preventing condensation. The technical solution includes: a K-type heat insulation component, one end of which is fitted with an external metal plate, and the other end of which, away from the external metal plate, is fitted with an internal metal plate. A support plate is provided on the K-type heat insulation component, and a partition portion is provided on the support plate. An internal snap-fit ​​wing plate is provided on one side of the partition portion, and an external snap-fit ​​wing plate is provided on the side of the partition portion away from the internal snap-fit ​​wing plate. The support plate, partition portion, internal snap-fit ​​wing plate, and external snap-fit ​​wing plate are integrally formed. This utility model uses the K-type heat insulation component to cut the indoor and outdoor side plates of the metal casing into a segmented structure, interrupting the heat conduction path of the metal casing at the cross-section between the two metal plates. Under conditions of outdoor temperature -10℃ and indoor temperature 20℃, it can ensure that the surface temperature of the metal casing on the indoor side is higher than the dew point temperature, effectively preventing condensation on the indoor side.
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Description

Technical Field

[0001] This utility model relates to the technical field of air conditioner casing heat insulation devices, and in particular to a heat insulation treatment device for preventing condensation. Background Technology

[0002] Integrated air conditioners (such as window air conditioners and portable air conditioners) typically use metal casings to meet structural strength requirements. However, the high thermal conductivity of metal materials can cause condensation when there is a large temperature difference between indoors and outdoors (such as cooling in hot and humid environments in summer or heating in cold environments in winter). The surface temperature of the metal casing on the indoor side is lower than the dew point temperature, resulting in condensation. Condensation not only affects aesthetics but can also cause problems such as short circuits and metal corrosion.

[0003] The common solution currently is to attach insulation materials (such as expanded polyurethane foam, etc.) to the inside of the metal casing for insulation. However, this method has the following drawbacks:

[0004] Unable to block heat conduction through the metal cross-section: The insulation material only covers the surface, and the cross-section of the metal shell is still directly connected to the indoor and outdoor sides. Heat is quickly conducted through the metal cross-section, resulting in limited insulation effect;

[0005] Poor durability: The bonded insulation material is prone to falling off due to temperature changes or vibration, requiring regular maintenance;

[0006] Increased thickness: To achieve a certain heat insulation effect, the material thickness needs to be increased, which affects the compactness of the product.

[0007] To address the aforementioned issues, this application employs a K-type plastic component to interrupt the heat conduction path of the metal casing from the cross-section, achieving "broken bridge" type insulation. This structure is simple, easy to assemble, and has low maintenance costs. Furthermore, its small thickness ensures the product's compactness and significantly reduces the temperature difference between the indoor casing surface and the environment, effectively solving the condensation problem caused by the heat conduction of the metal casing. Therefore, this application proposes a heat insulation device that prevents condensation from forming on the surface of the metal casing. Utility Model Content

[0008] The purpose of this invention is to address the problem of condensation caused by the thermal conductivity of the metal casing in the prior art, and to propose a heat insulation device that can prevent condensation from forming on the surface of the metal casing.

[0009] The technical solution of this utility model: A heat insulation device for preventing condensation, comprising a K-type heat insulation component, one end of which is fitted with an external metal plate, and the other end of which, away from the external metal plate, is fitted with an internal metal plate, and further comprising:

[0010] The support plate that makes up the K-type heat insulation component has a partition part. One side of the partition part has a built-in snap-fit ​​wing plate, and the side of the partition part away from the built-in snap-fit ​​wing plate has an external snap-fit ​​wing plate. The support plate, the partition part, the built-in snap-fit ​​wing plate and the external snap-fit ​​wing plate are integrally formed. The external metal plate is inserted between the support plate and the external snap-fit ​​wing plate, and the built-in metal plate is inserted between the support plate and the built-in snap-fit ​​wing plate.

[0011] Optionally, a metal plate slot is provided between the support plate and the built-in snap-fit ​​wing plate and the external snap-fit ​​wing plate. One end of the external metal plate and the built-in metal plate are inserted into the matching metal plate slot. The gaps between the contact surfaces of the external metal plate, the built-in metal plate and the matching metal plate slot are coated with sealant.

[0012] Optionally, a sealing strip mounting groove is provided between the built-in snap-fit ​​wing plate, the external snap-fit ​​wing plate and the partition, and the length of the built-in snap-fit ​​wing plate is greater than the length of the external snap-fit ​​wing plate.

[0013] Optionally, the cross-section of the K-type thermal insulation component is K-shaped, and the material of the K-type thermal insulation component is glass fiber reinforced plastic.

[0014] Compared with the prior art, this application includes at least one of the following beneficial technical effects: by cutting the indoor and outdoor side plates of the metal shell into a segmented structure using K-type heat insulation parts, the heat conduction path of the metal shell is cut off from the cross section between the two metal plates. Under the conditions of outdoor -10℃ and indoor 20℃, it can ensure that the surface temperature of the metal shell on the indoor side is higher than the dew point temperature, effectively preventing condensation on the indoor side. Attached Figure Description

[0015] Figure 1 This is an assembly diagram of the present invention;

[0016] Figure 2 This is a schematic diagram of the K-type heat insulation component of this utility model.

[0017] Reference numerals: 1. K-type thermal insulation component; 11. Support plate; 12. Built-in snap-fit ​​wing plate; 13. Partition section; 14. Sealing strip mounting groove; 15. External snap-fit ​​wing plate; 16. Metal plate slot;

[0018] 2. External metal plate;

[0019] 3. Built-in metal plate. Detailed Implementation

[0020] The technical solution of this utility model will be further described below with reference to the accompanying drawings and specific embodiments. Example

[0021] like Figure 1 and Figure 2 As shown, the present invention proposes a heat insulation device for preventing condensation, comprising a K-type heat insulation component 1. The K-type heat insulation component 1 consists of a support plate 11, an internal snap-fit ​​wing plate 12, a partition part 13, and an external snap-fit ​​wing plate 15. The support plate 11, the internal snap-fit ​​wing plate 12, the partition part 13, and the external snap-fit ​​wing plate 15 are integrally molded using injection molding to ensure the structural strength of the K-type heat insulation component 1 and to ensure its simple structure and convenient installation. The partition part 13 is fixed to the lower surface of the support plate 11, and the internal snap-fit ​​wing plate 12 and the external snap-fit ​​wing plate 15 are respectively fixed to the partition part. At the two ends of phase 13, when installing the K-type heat insulation part 1, the external metal plate 2 on the metal shell is embedded between the external snap-fit ​​wing plate 15 and the support plate 11, and the internal metal plate 3 is inserted between the internal snap-fit ​​wing plate 12 and the support plate 11. This ensures that the K-type heat insulation part 1 can be stably snapped into place at the gap where the metal plates of the air conditioner shell are joined. At this time, the K-type heat insulation part 1 can form a partition at the gap where the metal plates are joined, completely cutting off the heat conduction path of the metal shell and achieving the purpose of "broken bridge" heat insulation. This can ensure that the temperature of the metal surface of the indoor shell is higher than the dew point temperature and effectively prevent condensation from forming on the indoor side.

[0022] like Figure 1 and Figure 2 As shown, in order to facilitate the installation of the K-type thermal insulation part 1, metal plate slots 16 are provided between the built-in snap-fit ​​wing plate 12, the external snap-fit ​​wing plate 15 and the support plate 11. When installing the K-type thermal insulation part 1, first insert the built-in metal plate 3 into the metal plate slot 16 near the built-in snap-fit ​​wing plate 12, and then insert the external metal plate 2 into the metal plate slot 16 near the external snap-fit ​​wing plate 15, so as to ensure that the K-type thermal insulation part 1 can be stably snapped and installed at the joint gap between the two sections of the metal shell.

[0023] Furthermore, in order to improve the sealing performance of the contact gaps between the K-type thermal insulation component 1 and the external metal plate 2 and the internal metal plate 3, sealant is applied to the surfaces of the external metal plate 2 and the internal metal plate 3 before the K-type thermal insulation component 1 is installed. After the K-type thermal insulation component 1 is installed on the two metal plates, as the sealant cures, an effective seal is formed at the joint between the metal plate and the K-type thermal insulation component 1, effectively preventing air infiltration at the connection gap between the K-type thermal insulation component 1 and the metal plate.

[0024] It is worth noting that a sealing strip mounting groove 14 is provided between the built-in snap-fit ​​wing plate 12, the external snap-fit ​​wing plate 15 and the partition part 13. When installing the K-type heat insulation part 1, the sealing strip is first inserted into the matching sealing strip mounting groove 14. After the K-type heat insulation part 1 is installed, the sealing strip is squeezed by the external metal plate 2 and the built-in metal plate 3 and can be firmly installed in the matching sealing strip mounting groove 14. Then, an effective sealing structure is formed at the ends of the external metal plate 2 and the built-in metal plate 3, which effectively improves the airtightness of the connection between the K-type heat insulation part 1 and the metal shell.

[0025] like Figure 2 As shown, in order to improve the structural strength of the K-type thermal insulation part 1 and reduce its thermal conductivity, the cross-section of the K-type thermal insulation part 1 is K-shaped and made of glass fiber reinforced plastic. Relying on the high strength characteristics of glass fiber reinforced plastic, its tensile strength, compressive strength and flexural strength can be greatly improved, which can reduce the probability of damage during installation. Relying on the good thermal insulation performance of glass fiber reinforced plastic, its thermal conductivity can be effectively reduced and its thermal insulation performance can be improved.

[0026] Secondly, the length of the built-in snap-fit ​​wing plate 12 is greater than the length of the external snap-fit ​​wing plate 15. After the K-type heat insulation part 1 is installed, it ensures that the built-in snap-fit ​​wing plate 12 can completely cover the built-in metal plate 3 on the metal shell, so as to avoid the built-in metal plate 3 being partially uncovered and thus affecting its heat insulation, effectively reducing the temperature fluctuation on the indoor side.

[0027] In this embodiment, during the installation of the K-type thermal insulation component 1, the inner metal plate 3 is first embedded into the matching metal plate slot 16, and then the outer metal plate 2 is inserted into the corresponding metal plate slot 16. This ensures that the K-type thermal insulation component 1 can be quickly snapped into place at the joint between the metal plates on the metal outer shell. Bolts are used to fix the K-type thermal insulation component 1 to the outer metal plate 2 and the inner metal plate 3, effectively improving its installation stability, preventing loosening, and reducing maintenance costs. The K-type thermal insulation component 1 adopts an integrated design, facilitating assembly. The thickness of the metal material itself ensures its structural strength, serving as the joint between the metal plates on the metal outer shell. The connection structure effectively improves the structural stability of the connection parts; in terms of heat insulation, the partition part 13 can physically separate the two independent plates on the metal shell, thereby cutting off the heat conduction path from the cross-section of the metal plate, achieving the purpose of "broken bridge" heat insulation; due to its good heat insulation performance, during the use of K-type heat insulation parts 1, there is no need to paste heat insulation material on its surface, which not only ensures the compactness of the product, but also eliminates the problem of heat insulation material falling off due to temperature changes or vibration, so there is no need for regular maintenance. Actual tests show that under the temperature difference of -10℃ outdoors and 20℃ indoors, it can ensure that the temperature of the metal surface of the inner shell is higher than the dew point temperature, effectively preventing condensation on the inner side.

[0028] The above specific embodiments are merely several optional embodiments of this utility model. Based on the technical solution of this utility model and the relevant teachings of the above embodiments, those skilled in the art can make various alternative improvements and combinations to the above specific embodiments.

Claims

1. A heat insulation treatment device for preventing condensation water, comprising a K-shaped heat insulation part (1), one end of the K-shaped heat insulation part (1) is inserted with an external metal plate (2), and the end of the K-shaped heat insulation part (1) far from the external metal plate (2) is inserted with an internal metal plate (3), characterized in that, Also includes: The support plate (11) that makes up the K-type heat insulation component (1) is provided with a partition (13). A built-in snap-fit ​​wing plate (12) is provided on one side of the partition (13). An external snap-fit ​​wing plate (15) is provided on the side of the partition (13) away from the built-in snap-fit ​​wing plate (12). The support plate (11), partition (13), built-in snap-fit ​​wing plate (12) and external snap-fit ​​wing plate (15) are integrally formed. The external metal plate (2) is inserted between the support plate (11) and the external snap-fit ​​wing plate (15). The built-in metal plate (3) is inserted between the support plate (11) and the built-in snap-fit ​​wing plate (12).

2. The heat treatment apparatus according to claim 1, wherein Metal plate slots (16) are provided between the support plate (11) and the built-in snap-fit ​​wing plate (12) and the external snap-fit ​​wing plate (15). One end of the external metal plate (2) and the built-in metal plate (3) are inserted into the matching metal plate slots (16). The gaps between the contact surfaces of the external metal plate (2), the built-in metal plate (3) and the matching metal plate slots (16) are coated with sealant.

3. The heat treatment apparatus according to claim 2, wherein A sealing strip mounting groove (14) is provided between the built-in snap-fit ​​wing plate (12), the external snap-fit ​​wing plate (15) and the partition part (13), and the length of the built-in snap-fit ​​wing plate (12) is greater than the length of the external snap-fit ​​wing plate (15).

4. The heat insulation device for preventing condensation according to claim 1, characterized in that, The cross-section of the K-type heat insulation part (1) is K-shaped, and the material of the K-type heat insulation part (1) is glass fiber reinforced plastic.