Ultraviolet irradiation device for insulating material

By simulating various climatic conditions using an ultraviolet light irradiation device, the problem of uneven aging process of insulation materials was solved, achieving efficient weather resistance testing and improving the stability and testing accuracy of materials.

CN223926248UActive Publication Date: 2026-02-17SHANGHAI POWER TRANSMISSION & DISTRIBUTION TESTING CENT
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Patent Information

Application Number
CN202520288614.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-24
Publication Date
2026-02-17
Estimated Expiration
2035-02-24

AI Technical Summary

Technical Problem

Existing technologies cannot effectively simulate the aging process of insulating materials under various comprehensive climatic conditions, leading to frequent failures of electrical products.

Method used

Design an ultraviolet irradiation device that uses a UV-A ultraviolet fluorescent lamp and an air circulation system to simulate ultraviolet radiation and temperature and humidity changes in natural light. Combined with a hot water layer and a breathable membrane, it enables accelerated weather resistance testing of materials.

Benefits of technology

It improves the accuracy and uniformity of aging simulation of insulating materials under various climatic conditions, simplifies the testing process, and enhances the efficiency of durability and stability testing of materials.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an ultraviolet irradiation device for insulating materials, which is used for testing the durability and stability of materials under ultraviolet irradiation, the ultraviolet irradiation device comprises an inner box body and an outer box body, the inner top layer of the inner box body is openable and closable, the inner top layer of the inner box body is provided with an ultraviolet lamp group, and the outer box body is provided with an ultraviolet lamp. The upper end of the outer box body is open, telescopic shielding doors are arranged on the two sides of the upper end of the outer box body, a hot water layer is arranged at the lower end in the inner box body, a water heating device is arranged in the hot water layer, a breathable film is arranged at the upper end of the hot water layer, and water vapor generated by the hot water layer enters an inner cavity of the inner box body through the breathable film. The inner chamber is made of a wire-drawing SUS304B plate, has the advantages of being resistant to acid and corrosion, easy to clean and convenient to clean, and a reasonable air duct circulation system is designed, so that the temperature and the humidity in the box body reach the highest uniformity.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of insulating material test, specifically is a kind of ultraviolet light irradiation device for insulating material. BACKGROUND

[0002] Insulating material, also known as dielectric, refers to the substance that does not conduct electricity or conducts electricity extremely under the action of direct current voltage. The main role of insulating material is to isolate the conductors of different potentials in electrical equipment, so that the current can flow through a certain path, and also can play the role of mechanical support and fixation, arc extinguishing, heat dissipation, energy storage, moisture and mildew prevention, or improving the potential distribution of electric field and protecting the conductor. Therefore, insulating material is required to have as high as possible insulation resistance, heat resistance, moisture resistance, and also needs certain mechanical strength.

[0003] Under the action of electric field, insulating material will occur polarization, electric conduction, dielectric heating, breakdown and other physical phenomena. While bearing the action of electric field, it also needs to withstand the influence of mechanical, chemical and many other factors, and will appear aging phenomenon after long-term operation. Therefore, many failures of electrical products often occur in the insulating part.

[0004] The aging of dielectric refers to the gradual deterioration of electrical properties, mechanical properties and other properties of dielectric with the increase of time during long-term operation. The main aging forms include electrical aging, thermal aging and environmental aging. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at providing a kind of ultraviolet light irradiation device for insulating material, mainly utilize fluorescent ultraviolet lamp as light source, by simulating the ultraviolet radiation and condensation in natural light, to material carries out accelerated weather resistance test. Specifically, especially simulate the conditions of solar radiation, temperature, humidity, condensation, rain and other comprehensive climate, observe and analyze the change of insulating material, can provide corresponding environmental simulation and accelerated test for scientific research, product development and quality control.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a kind of ultraviolet light irradiation device for insulating material, applied to test the durability and stability of material under ultraviolet irradiation, the ultraviolet light irradiation device includes inner box and outer box, the inner box is arranged in the inner chamber of outer box, the inner box is composed of wire drawing SUS304B plate, the inner top layer of the inner box is openable and closable, ultraviolet lamp group is arranged on the inner top layer of the inner box, the upper end of the outer box is open, the telescopic shelter door is arranged on the both sides of the upper end of the outer box, the inner lower end of the inner box is provided with hot water layer, water heating device is arranged in the hot water layer, breathable membrane is arranged on the upper end of the hot water layer, and the water vapor generated by the hot water layer enters the inner chamber of the inner box through the breathable membrane.

[0007] The UV lamp group is 2 rows of 8 UV-A ultraviolet fluorescent lamps with a rated power of 40W.

[0008] The inner box body is provided with an air duct circulation system, so that the temperature and humidity in the inner box body are uniform.

[0009] The ultraviolet light irradiation device also comprises an ultraviolet lamp current control box.

[0010] The ultraviolet light irradiation device also comprises a water tank arranged below the hot water layer, which supplies water to the hot water layer.

[0011] The technical features of the utility model mainly include:

[0012] Temperature range: 40-80 DEG C.

[0013] Humidity range: 45-98% RH.

[0014] Temperature control accuracy: ±0.1 DEG C.

[0015] Ultraviolet lamp: 8.

[0016] Power voltage: AC220V 50Hz.

[0017] Compared with the prior art, the utility model has the beneficial effects that:

[0018] (1), the inner chamber material of the utility model uses wire drawing SUS304B plate, has acid resistance, corrosion resistance and easy cleaning characteristics, and is convenient to clean;

[0019] (2), the utility model designs a reasonable air duct circulation system, so that the temperature and humidity in the box body are most uniform. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a structure schematic view of the ultraviolet light irradiation device for insulating material. DETAILED DESCRIPTION

[0021] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] It is to be noted that the terms used herein are merely for the purpose of describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form, unless the context clearly indicates otherwise, and it should be further understood that the terms "comprise" and / or "include" as used in the specification indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0023] As shown in Figure 1 The ultraviolet light irradiation device for insulating materials is applied to test the durability and stability of materials under ultraviolet irradiation, and the ultraviolet light irradiation device comprises an inner box body and an outer box body 1, the inner box body is arranged in the inner cavity of the outer box body 1, the inner box body is composed of a drawn SUS304B plate, the inner top layer of the inner box body is of an openable and closable type, the inner top layer of the inner box body is provided with an ultraviolet lamp group 2, the upper end of the outer box body 1 is open, the outer box body 1 is provided with telescopic shielding doors 3 on both sides of the upper end, the inner lower end of the inner box body is provided with a hot water layer 4, the hot water layer 4 is provided with a water heating device, the upper end of the hot water layer 4 is provided with a breathable film, and the water vapor generated by the hot water layer 4 enters the inner cavity of the inner box body through the breathable film.

[0024] The ultraviolet lamp group 2 is 2 rows of 8 UV-A ultraviolet fluorescent lamps with a rated power of 40W, and the technical solution adopts a Q-Lab fluorescent ultraviolet lamp imported from the United States.

[0025] A wind channel circulation system is arranged in the inner box body to realize uniform temperature and humidity in the inner box body. The present scheme selects a snail type fan imported from Japan, which has the characteristics of low noise and high efficiency, and facilitates the realization of hot air single circulation, thereby greatly improving the temperature uniformity of the test box.

[0026] The ultraviolet light irradiation device further comprises an ultraviolet lamp current control box 6.

[0027] The ultraviolet light irradiation device further comprises a water tank 5, the water tank 5 is arranged below the hot water layer 4, and the water tank 5 supplies water to the hot water layer 4.

[0028] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A UV irradiation device for insulating materials, applied to test the durability and stability of the materials under UV irradiation, characterized in that: The ultraviolet light irradiation device comprises an inner box and an outer box (1), the inner box is arranged in the inner cavity of the outer box (1), the inner box is composed of a drawn SUS304B plate, the inner top layer of the inner box is of an openable and closable type, the inner top layer of the inner box is provided with an ultraviolet lamp group (2), the upper end of the outer box (1) is open, the outer box (1) is provided with retractable shielding doors (3) on both sides of the upper end, the inner lower end of the inner box is provided with a hot water layer (4), the hot water layer (4) is provided with a water heating device, the upper end of the hot water layer (4) is provided with a breathable film, and the water vapor generated by the hot water layer (4) enters the inner cavity of the inner box through the breathable film.

2. The ultraviolet irradiation apparatus for insulating materials according to claim 1, characterized in that: The ultraviolet lamp group (2) is composed of two rows of eight UV-A ultraviolet fluorescent lamps with a rated power of 40 W.

3. The UV irradiation device for insulating materials according to claim 1, characterized in that: An air duct circulation system is arranged in the inner box to realize uniform temperature and humidity in the inner box.

4. The UV irradiation device for insulating materials according to claim 1, characterized in that: The ultraviolet light irradiation device further comprises an ultraviolet lamp current control box (6).

5. The UV irradiation device for insulating materials according to claim 1, characterized in that: The ultraviolet light irradiation device further comprises a water tank (5), the water tank (5) is arranged below the hot water layer (4), and the water tank (5) supplies water to the hot water layer (4).