High-brightness cold light source

By designing a high-brightness, high-heat cold light source that combines a high-speed fan with a heat sink, the problems of high-brightness lighting and heat dissipation in the wind tunnel test section were solved, achieving stable lighting in a limited space. This is suitable for wind tunnel test sections and other extreme lighting scenarios.

CN223525098UActive Publication Date: 2025-11-07CHINA ACAD OF AEROSPACE AERODYNAMICS
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Patent Information

Application Number
CN202423093486.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-13
Publication Date
2025-11-07
Estimated Expiration
2034-12-13

AI Technical Summary

Technical Problem

Existing light source equipment is unable to provide high-brightness illumination in the limited space of the wind tunnel test section, while also solving the heat dissipation problem of high-brightness chips, and thus cannot meet the requirements for long-term continuous illumination.

Method used

A high-brightness, high-cooling light source was designed, which uses a combination of a high-speed fan and a heat sink. It is constructed by components such as transparent glass, glass pressure plate, upper shell, heat sink, lower shell, and glass cover to achieve effective heat dissipation of the high-brightness chip and ensure the high brightness and stability of the light source in a limited space.

Benefits of technology

It achieves high-brightness lighting in a limited space, solves the heat dissipation problem of high-brightness chips, meets the lighting requirements of the wind tunnel test section, and can be applied to other extreme lighting scenarios.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a high-brightness strong cold light source which mainly comprises a shell, a high-brightness chip, a radiator, a high-rotating-speed fan and the like. The shell provides support for light source equipment parts, the radiator increases the high-brightness heat dissipation area, and the high-rotating-speed fan is used for providing forced heat dissipation for the high-brightness chip. Through the ingenious design, the high-brightness chip, the radiator and the high-rotating-speed fan are integrated in a small space, the problem that the high-brightness chip is burnt out due to the fact that the temperature is too high in the continuous illumination process is solved, and the continuous illumination time of the high-brightness chip is prolonged. The device can be used in related scenes such as the interior of a wind tunnel test section with small space and high-intensity illumination requirements.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a high-brightness strong cold light source and belongs to the field of test aerodynamics. BACKGROUND

[0002] The wind tunnel test section is a key component for obtaining the force, attitude and aerodynamic phenomena of a model in a flow field. During the test process of the model in the wind tunnel test section, there is often a need for strong light illumination. However, the size of the wind tunnel test section is usually small, so the light source needs to provide sufficient illumination conditions in a limited volume. The existing light source equipment generally cannot meet such requirements.

[0003] The high-brightness chip is a small-volume light source chip that can provide high-intensity illumination, but it generates a large amount of heat and needs to be used with a large-volume heat sink. If it is installed in the wind tunnel test section, the problem of how to solve the heat dissipation of the high-brightness chip in a limited space arises, so that it can meet the requirements of long-term continuous illumination in the wind tunnel test.

[0004] Therefore, it is very important to study a high-brightness strong cold light source to solve the problem of illumination in the wind tunnel test section. UTILITY MODEL CONTENTS

[0005] The technical problem of the utility model is to overcome the shortcomings of the prior art and provide a high-brightness strong cold light source to solve the problem of strong light illumination in the wind tunnel test section. In addition to being used in wind tunnel tests, this light source equipment can also be applied to other extreme illumination scenarios with limited space.

[0006] The technical solution of the utility model is a high-brightness strong cold light source, which comprises a light-transmitting glass, a glass pressing plate, an upper shell, a high-brightness chip, a heat sink, an air vent, a lower shell, a high-speed fan, an air inlet, a cover plate, a glass cover and a cavity, wherein:

[0007] The upper shell has a three-dimensional structure, and a baffle is integrally formed with the outer contour of the upper shell in the middle part, so that the upper half of the upper shell is in the form of a blind hole;

[0008] The glass cover is connected to the upper end of the upper shell; the middle region of the glass cover is a through hole, and the light-transmitting glass is embedded in the through hole of the glass cover;

[0009] The glass pressing plate is located at the connection between the glass cover and the light-transmitting glass and is connected to the glass cover, and the light-transmitting glass is pressed tightly from the lower surface of the light-transmitting glass;

[0010] The high-brightness chip is fixed to the upper surface of the middle baffle of the upper shell;

[0011] The lower half of the upper shell is hollow to form a cavity for installing a radiator; the radiator is installed on the lower surface of the middle baffle of the upper shell, and openings corresponding to the position of the radiator are arranged on the side wall of the upper shell; the bottom of the lower half of the upper shell is provided with a vent hole;

[0012] The lower end of the upper shell is connected with the upper end of the lower shell; the outer contour of the lower shell is a three-dimensional structure, and the inside is a hollow structure, and the upper surface is provided with a through hole corresponding to the through hole in the bottom of the upper shell;

[0013] A high-speed fan is installed in the inside of the lower shell, and the air outlet of the high-speed fan is aligned with the vent hole for radiating the radiator;

[0014] The cover plate is connected with the lower end of the lower shell, and the middle of the cover plate is provided with an air inlet hole to meet the air intake requirement of the high-speed fan.

[0015] Preferably, the upper shell and the lower shell are made of aluminum alloy, and the cross sections are square or circular.

[0016] Preferably, the horizontal cross section shape of the glass cover is matched with the cross section shape of the upper shell; and the glass cover is connected with the upper end of the upper shell through screws or threads.

[0017] Preferably, the lower surface of the high-brightness chip is smeared with heat-conducting silicone grease, and the high-brightness chip is fixed on the upper surface of the middle baffle of the upper shell through screws.

[0018] Preferably, the cross section size of the upper shell, the cross section size of the lower shell and the outer contour size of the cover plate are the same.

[0019] Preferably, the radiator is made of aluminum alloy; when the cross section of the upper shell is square, the radiator is a hexahedron; and when the cross section of the upper shell is circular, the radiator is a cylinder.

[0020] Preferably, the radiator is provided with a certain interval of sheet structures in the middle to increase the heat dissipation area; and the openings on the side wall of the upper shell are opposite to the sheet structures.

[0021] Preferably, the center positions of the high-brightness chip, the radiator, the vent hole, the high-speed fan and the air inlet hole are on an axis.

[0022] Preferably, the upper end edge of the through hole of the glass cover is provided with a boss for fixing the transparent glass.

[0023] Preferably, the glass pressing plate is a cylindrical structure, and the inner surface is a non-mirror surface; and the upper end of the glass pressing plate is provided with a boss for connecting the glass cover.

[0024] Compared with the prior art, the high-brightness strong cold light source has the following advantages:

[0025] (1) The high-brightness strong cold light source solves the heat dissipation problem of the high-brightness chip in a limited space by combining the high-speed fan and the radiator.

[0026] (2) The high-brightness strong cold light source has high integration degree and high impact resistance, and can meet the lighting requirements in extreme environments.

[0027] (3) The high-brightness strong cold light source has compact overall design structure, is simple and reliable, and is easy to process. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 A square high-brightness strong cold light source device is provided in the utility model, and a three-dimensional schematic view is shown in the figure;

[0029] Figure 2 A square high-brightness strong cold light source device is provided in the utility model, and a sectional view is shown in the figure;

[0030] Figure 3 A circular high-brightness strong cold light source device is provided in the utility model, and a three-dimensional schematic view is shown in the figure;

[0031] Figure 4 A circular high-brightness strong cold light source device is provided in the utility model, and a sectional view is shown in the figure. DETAILED DESCRIPTION

[0032] The technical scheme provided by the utility model is as follows:

[0033] A high-brightness strong cold light source comprises the following parts: a light-transmitting glass 1, a glass pressing plate 2, an upper shell 3, a high-brightness chip 4, a heat sink 5, a ventilation hole 6, a lower shell 7, a high-speed fan 8, an air inlet hole 9, a cover plate 10, a glass cover 11 and a cavity 12.

[0034] The upper shell 3 is made of aluminum alloy, has a three-dimensional structure, and can be square or circular in cross section. A baffle is arranged in the middle of the upper shell 3 and is integrally formed with the outer contour of the upper shell 3, so that the upper half of the upper shell 3 is in the form of a blind hole, and the glass cover 11 is installed at the opening of the upper end of the blind hole.

[0035] The horizontal cross-sectional shape of the glass cover 11 is matched with the cross-sectional shape of the upper shell 3; the glass cover 11 is connected to the upper end of the upper shell 3 by means of screws or threads. The middle region of the glass cover 11 is a through hole, the light-transmitting glass 1 is embedded in the through hole of the glass cover 11, the glass pressing plate 2 is connected to the glass cover 11 and is located at the connection between the glass cover 11 and the light-transmitting glass 1, and the light-transmitting glass 1 is pressed tightly from the lower surface of the light-transmitting glass 1. The high-brightness chip 4 is installed on the upper surface of the middle baffle of the upper shell 3. The lower surface of the high-brightness chip 4 is smeared with heat-conducting silicone grease, and is fixed tightly to the upper surface of the middle baffle of the upper shell 3 by means of screws.

[0036] The lower half of the upper shell 3 is hollow, forming the cavity 12, and is used for installing the heat sink 5; the heat sink 5 is installed on the lower surface of the middle baffle of the upper shell 3. The bottom of the upper shell 3 is provided with a through hole, which is the ventilation hole 6.

[0037] The lower shell 7 is hollow, and a through hole is arranged on the upper surface of the lower shell 7 and corresponds to the through hole in the bottom of the upper shell 3. The lower end of the upper shell 3 is connected to the upper end of the lower shell 7, and a ventilation hole 6 is arranged in the middle of the connection position. A high-speed fan 8 is arranged in the lower shell 7, and the air outlet of the high-speed fan 8 is aligned with the ventilation hole 6 and used for heat dissipation of the radiator 5. A cover plate 10 is connected to the lower end of the lower shell 7, and an air inlet hole 9 is arranged in the middle of the cover plate 10 to meet the air inlet requirement of the high-speed fan 8.

[0038] The lower shell 7 is made of aluminum alloy and has a three-dimensional structure, and the cross section can be square or circular.

[0039] The cover plate 10 is a plate-shaped structure made of aluminum alloy, and is connected to the lower shell by screws and has an air inlet hole in the middle.

[0040] The upper shell 3, the lower shell 7 and the cover plate 10 have the same cross section size and the same outer contour size.

[0041] The radiator 5 is made of aluminum alloy and has a hexahedral structure or a cylindrical structure corresponding to the outer contour of the upper shell 3. When the cross section of the upper shell 3 is square, the radiator 5 is a hexahedron, and when the cross section of the upper shell 3 is circular, the radiator 5 is a cylinder. The radiator 5 is provided with a certain interval between the middle and the plate-shaped structure to increase the heat dissipation area. The side wall of the upper shell 3 is provided with a corresponding heat dissipation opening corresponding to the plate-shaped structure of the radiator 5.

[0042] The high-brightness chip 4, the radiator 5, the ventilation hole 6, the high-speed fan 8 and the air inlet hole 9 are arranged on the same axis.

[0043] The glass cover 11 can be a square plate-shaped structure or a circular plate-shaped structure, and a through hole is arranged in the middle. The upper end of the through hole is provided with a boss for fixing the transparent glass 1. The lower end of the glass cover 11 can be provided with a thread for connecting the upper shell 3. The lower surface of the glass cover can be provided with a threaded hole for connecting the glass pressing plate.

[0044] The glass pressing plate 2 is a cylindrical structure, and the upper end is provided with a boss, and the boss is provided with a screw hole for connecting the glass cover 11. The inner surface of the cylindrical structure of the glass pressing plate 2 is a non-mirror surface.

[0045] The high-brightness chip is smeared with silicone grease before installation. The high-speed fan is powered on first, and then the high-brightness chip is powered on for lighting. The high-brightness chip needs to keep the high-speed fan continuously cooling during the power-on process.

[0046] The utility model discloses although has disclosed above with preferable embodiment, but it is not used to limit the utility model, any person skilled in the art can utilize the method and technical content of above disclosure to make possible change and modification to the utility model technical scheme without departing from the spirit and scope of the utility model, therefore, all the simple modification, equivalent change and modification of above embodiment according to the technical essence of the utility model without departing from the content of the utility model technical scheme, all belong to the protection scope of the utility model technical scheme.

[0047] The contents not described in detail in the utility model specification belong to the prior art known by the person skilled in the art.

Claims

1. A high intensity cold light source, characterized in that The utility model relates to a kind of high-brightness strong cold light sources, including: Light-transmitting glass (1), glass pressing plate (2), upper shell (3), high-brightness chip (4), radiator (5), air hole (6), lower shell (7), high-speed fan (8), air inlet (9), cover plate (10), glass cover (11) and cavity (12), wherein: The upper shell (3) is a three-dimensional structure, and a baffle is formed integrally with the outer contour of the upper shell (3) in the middle part, so that the upper half of the upper shell (3) is in the form of a blind hole. The glass cover (11) is connected to the upper end of the upper shell (3); the middle area of the glass cover (11) is a through hole, and the light-transmitting glass (1) is embedded in the through hole of the glass cover (11). The glass pressing plate (2) is located at the connection between the glass cover (11) and the light-transmitting glass (1) and is connected to the glass cover (11), and the light-transmitting glass (1) is pressed tightly from the lower surface of the light-transmitting glass (1). The high-brightness chip (4) is fixed to the upper surface of the middle baffle of the upper shell (3). The lower half of the upper shell (3) is hollow to form a cavity (12) for installing the radiator (5); the radiator (5) is installed on the lower surface of the middle baffle of the upper shell (3), and an opening corresponding to the position of the radiator (5) is provided on the side wall of the upper shell (3); the bottom of the lower half of the upper shell (3) is provided with an air hole (6). The lower end of the upper shell (3) is connected to the upper end of the lower shell (7); the lower shell (7) is a three-dimensional structure, and the inside is a hollow structure, and the upper surface is provided with a through hole corresponding to the through hole in the bottom of the upper shell (3). The high-speed fan (8) is installed in the lower shell (7), and the air outlet of the high-speed fan (8) is aligned with the air hole (6) for cooling the radiator (5). The cover plate (10) is connected to the lower end of the lower shell (7), and the middle part of the cover plate (10) is provided with an air inlet (9) to meet the air intake requirement of the high-speed fan (8).

2. The high-brightness strong cold light source according to claim 1, wherein: The upper shell (3) and the lower shell (7) are made of aluminum alloy, and the cross section is square or circular.

3. The high-brightness strong cold light source according to claim 1, wherein: The horizontal cross-sectional shape of the glass cover (11) follows the cross-sectional shape of the upper shell (3); and the glass cover (11) is connected to the upper end of the upper shell (3) by screws or threads.

4. The high-brightness strong cold light source according to claim 1, wherein: The lower surface of the high-brightness chip (4) is coated with heat-conducting silicone grease, and the high-brightness chip (4) can be fixed tightly to the upper surface of the middle baffle of the upper shell (3) by screws.

5. The high-brightness strong cold light source according to claim 1, wherein: The cross-sectional size of the upper shell (3), the cross-sectional size of the lower shell (7), and the outer contour size of the cover plate (10) are the same.

6. The high-brightness strong cold light source according to claim 1, wherein: The radiator (5) is made of aluminum alloy; when the cross section of the upper shell (3) is square, the radiator (5) is a hexahedron; and when the cross section of the upper shell (3) is circular, the radiator (5) is a cylinder.

7. The high-brightness strong cold light source according to claim 1, wherein: The heat sink (5) is provided with a certain interval sheet structure to increase the heat dissipation area; the opening on the side wall of the upper shell (3) is opposite to the sheet structure.

8. The high-brightness strong cold light source according to claim 1, characterized in that: The center positions of the high-brightness chip (4), the heat sink (5), the air hole (6), the high-speed fan (8) and the air inlet hole (9) are on an axis.

9. The high-brightness strong cold light source according to claim 1, characterized in that: The upper end edge of the through hole of the glass cover (11) is provided with a boss for fixing the transparent glass (1).

10. The high-brightness strong cold light source according to claim 1, characterized in that: The glass pressing plate (2) is a cylindrical structure, and the inner surface is a non-mirror surface; the upper end of the glass pressing plate (2) is provided with a boss for connecting the glass cover (11).