Light source heat dissipation air duct structure

Abstract

The utility model relates to the technical field of projector heat dissipation air ducts, and discloses a light source heat dissipation air duct structure which is fixedly arranged on a projector, a light source assembly is fixedly arranged at one end of the projector, the light source heat dissipation air duct structure comprises a bottom cover and a heat dissipation cover, the bottom cover is fixedly connected below the heat dissipation cover, and the heat dissipation cover is fixedly connected below the bottom cover. A heat dissipation plate is fixedly connected to one end of the heat dissipation cover, a heat conduction plate is fixedly arranged on one side of the heat dissipation plate, a plurality of heat dissipation teeth are fixedly connected to the heat conduction plate, third heat dissipation fins are fixedly arranged below the light source assembly, and an arc-shaped face is fixedly arranged on the bottom cover and located below the third heat dissipation fins. According to the light source heat dissipation air duct structure, the heat dissipation air duct is located outside the projector, heat in the projector is led out through heat conduction structures such as the heat dissipation cover and the heat conduction plate, the heat is gathered on the first heat dissipation fins, the second heat dissipation fins, the heat dissipation teeth and the third heat dissipation fins, then the fan controls air flow to run in parallel, and the heat dissipation effect is improved. And the heat in the heat dissipation air channel is dissipated.

Description

Technical Field

[0001] The utility model relates to the technical field of heat dissipation air ducts of projectors, in particular to a light source heat dissipation air duct structure. Background Art

[0002] A projector is a device that projects videos onto a screen and is widely used in homes, offices and other places. Heat dissipation during projector operation has always been a problem for projector products.

[0003] In the prior art, the application number is CN202123143740.5, and the name disclosed is: a heat dissipation structure of a projector and a projector, which include a display screen, a front mirror and a rear mirror arranged in a shell of the projector, the display screen is located between the front mirror and the rear mirror, the shell has a first vent and a second vent, a heat dissipation channel is formed between the front mirror and the rear mirror, the heat dissipation structure of the projector includes a heat dissipation fan, and a guide member connected to the heat dissipation fan, one end of the guide member is connected to the heat dissipation fan, and the other end is connected to the heat dissipation channel.

[0004] However, the projector heat dissipation structure mentioned in the prior art is located inside the projector and dissipates heat by causing airflow to flow through the inside of the projector. Dust in the airflow will cause dust to accumulate in internal components, reducing the use effect of the projector. Utility Model Content

[0005] The utility model aims to provide a light source heat dissipation air duct structure to solve the problems in the prior art.

[0006] The purpose of the utility model can be achieved through the following technical solutions:

[0007] A light source heat dissipation duct structure, the heat dissipation duct structure is fixedly arranged on a projector, a light source assembly is fixedly arranged at one end of the projector, the light source heat dissipation duct structure comprises a bottom cover and a heat dissipation cover, the bottom cover is fixedly connected to the bottom of the heat dissipation cover;

[0008] A heat sink is fixedly connected to one end of the heat dissipation cover, a heat conduction plate is fixedly provided on one side of the heat dissipation plate, a plurality of heat dissipation teeth for accelerating heat dissipation are fixedly provided on the heat conduction plate, a heat dissipation fin three is fixedly provided below the light source assembly, and an arc surface for guiding wind is fixedly provided on the bottom cover and below the heat dissipation fin three.

[0009] Furthermore, the heat dissipation cover is provided with a heat exchange groove for dissipating heat inside the projector, and a heat dissipation fin 1 and a heat dissipation fin 2 are fixedly provided below the heat dissipation cover, and the heat dissipation fin 1 is located on one side of the heat dissipation fin 2.

[0010] Furthermore, a fan is fixedly provided on the bottom cover, the fan is located below the second heat dissipation fin, the first heat dissipation fin is located on one side of the fan, and the heat dissipation teeth are located on the other side of the fan.

[0011] Furthermore, the lower end of the heat conducting plate abuts against the fan to fix the fan.

[0012] Furthermore, the heat dissipation fin three is fixedly mounted on the bottom cover, and an inclined surface is provided below the heat dissipation fin three to reduce the wind resistance of hot air discharge.

[0013] Furthermore, an exhaust assembly is fixedly provided at one end of the bottom cover, and the exhaust assembly is located on one side of the arc surface for exhausting heat dissipation gas.

[0014] Beneficial effects of the utility model:

[0015] 1. The utility model discloses a heat dissipation duct structure for a light source, wherein the heat dissipation duct is located outside the projector, and the heat inside the projector is conducted out through heat dissipation covers, heat conduction plates and other heat conduction structures, so that the heat is gathered on heat dissipation fins 1, fins 2, heat dissipation teeth and fins 3, and then the airflow is controlled by a fan to run in parallel to dissipate the heat in the heat dissipation duct;

[0016] 2. The utility model has a simple structure of the heat dissipation air duct structure of the light source, and is designed with inclined surfaces and curved surfaces. While improving the exhaust efficiency, it guides the exhaust air, reduces the wind resistance of the airflow during the exhaust process, accelerates the gas flow, and improves the heat dissipation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described below in conjunction with the accompanying drawings.

[0018] Figure 1 It is a schematic diagram of the structure of the projector of the utility model;

[0019] Figure 2 This is a schematic diagram of the heat dissipation duct structure of the utility model;

[0020] Figure 3 It is a schematic diagram of the cross-sectional structure of the heat dissipation duct of the utility model;

[0021] Figure 4 This utility model Figure 3 The enlarged structural diagram at A in the middle;

[0022] Figure 5 This utility model Figure 3 The enlarged structural diagram at B in the middle;

[0023] Figure 6 It is a schematic diagram of airflow in the heat dissipation duct structure of the utility model. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] A light source heat dissipation air duct structure, such as Figure 1 As shown, the light source heat dissipation air duct structure is fixedly arranged on the projector, a light source assembly 5 is fixedly installed at one end of the projector, the light source heat dissipation air duct structure is arranged below the light source assembly 5, and the light source heat dissipation air duct structure includes a bottom cover 1 and a heat dissipation cover 2, the bottom cover 1 is fixedly connected to the bottom of the heat dissipation cover 2, and an exhaust assembly 4 is fixedly installed at one end of the bottom cover 1.

[0026] like Figure 2-Figure 6 As shown, a heat exchange groove 21 is provided on the heat dissipation cover 2, and the hot air inside the projector will be heat exchanged in the heat exchange groove 21. The heat dissipation cover 2 is made of aluminum alloy heat dissipation material to efficiently dissipate heat inside the projector. A heat dissipation fin 1 22 and a heat dissipation fin 24 are fixedly provided at the bottom of the heat dissipation cover 2.

[0027] A heat dissipation fin 22 is fixedly connected to one end of the heat dissipation cover 2 for dissipating heat for one end of the heat dissipation cover 2. A heat dissipation plate 23 is fixedly connected to the other end of the heat dissipation cover 2. A heat conduction plate 25 is fixedly provided on one side of the heat dissipation plate 23. The heat dissipation plate 23 is used to conduct the heat from the other end of the heat dissipation cover 2 to the heat conduction plate 25. A plurality of heat dissipation teeth 26 are fixedly installed on the heat conduction plate 25.

[0028] A fan 11 is fixedly mounted on the bottom cover 1, and a horizontal heat dissipation air duct structure is formed between the bottom cover 1 and the heat dissipation cover 2. Figure 6 As shown, cold air enters the bottom cover 1 from the heat sink fin 1 22 on the right side, and first takes away the heat on the heat sink fin 1 22. The heat sink fin 1 22 is located on one side of the heat sink fin 24, and then the gas flows to the heat sink fin 24, taking away the heat on the heat sink fin 24. The fan 11 is controlled to start. The fan 11 is located below the heat sink fin 24 and is used to suck the gas from the heat sink fin 24, and then discharge the gas from the side of the fan 11 away from the heat sink fin 1 22.

[0029] The lower end of the heat conducting plate 25 abuts against the fan 11 to fix the fan 11, and the heat dissipation teeth 26 are located at the air outlet of the fan 11 to increase the contact surface area between the heat dissipation structure and the high-speed flowing wind. The fan 11 can drive the airflow to take away the heat in the bottom cover 1.

[0030] A heat sink 3 3 is fixedly provided at one end of the bottom cover 1 away from the heat sink fin 1 22, and a slope 31 is provided below the heat sink fin 3. The heat sink fin 3 3 is located below the light source assembly 5 and is used to dissipate heat from the light source assembly 5. An arc surface 12 is fixedly provided on the bottom cover 1 and below the heat sink fin 3 3, which is used to guide the exhaust air of the fan 11 to the heat sink fin 3 3, and then the gas is smoothly discharged from the exhaust assembly 4, thereby reducing the exhaust resistance and improving the heat dissipation efficiency.

[0031] As for the inclined surface 31 arranged below the heat dissipation fin three 3, after the hot air flows through the heat dissipation teeth 26 and flows to the heat dissipation fin three 3, the inclined surface 31 will reserve space for the hot air to reduce wind resistance. Combined with the structure of the curved surface 12, wind noise is reduced. At the same time, the hot air will naturally rise due to its density and fully contact the heat dissipation fin three 3, taking away the heat of the light source component 5 and performing fast and efficient heat dissipation.

[0032] The working principle of this embodiment is as follows:

[0033] When the projector is actually working, all components in the projector's optical path are located above the heat dissipation cover 2, and the heat generated in the projector is conducted to the heat dissipation fin 1 22, the heat dissipation fin 24 and the heat dissipation teeth 26. The heat generated by the light source assembly 5 is conducted to the heat dissipation fin 3 3. All heat dissipation structures are located in the heat dissipation air duct. When the fan 11 is started, it absorbs the airflow and enters from one end of the bottom cover 1, and dissipates the heat of the heat dissipation fin 1 22, the heat dissipation fin 24, the heat dissipation teeth 26 and the heat dissipation fin 3 3 in turn. The airflow has small wind resistance and large air volume, and the projector is quickly cooled. The hot air is discharged from the exhaust assembly 4, and an exhaust fan can also be installed on the exhaust assembly 4 to accelerate the movement of the airflow.

[0034] The inclined surface 31 is designed to reduce wind resistance and increase exhaust volume. The curved surface 12 is designed to effectively reduce wind noise and achieve silent operation of the projector.

[0035] A heat dissipation duct for guiding airflow is formed between the bottom cover 1 and the heat dissipation cover 2 to ensure the air intake and heat dissipation efficiency.

[0036] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A light source heat dissipation duct structure, the heat dissipation duct structure is fixedly arranged on a projector, a light source assembly (5) is fixedly arranged at one end of the projector, characterized in that: The light source heat dissipation air duct structure comprises a bottom cover (1) and a heat dissipation cover (2), wherein the bottom cover (1) is fixedly connected to the bottom of the heat dissipation cover (2); A heat dissipation plate (23) is fixedly connected to one end of the heat dissipation cover (2), a heat conduction plate (25) is fixedly provided on one side of the heat dissipation plate (23), a plurality of heat dissipation teeth (26) for accelerating heat dissipation are fixedly provided on the heat conduction plate (25), a heat dissipation fin three (3) is fixedly provided below the light source assembly (5), and an arc-shaped surface (12) for guiding wind is fixedly provided on the bottom cover (1) and below the heat dissipation fin three (3).

2. The light source heat dissipation air duct structure according to claim 1, characterized in that: The heat dissipation cover (2) is provided with a heat exchange groove (21) for dissipating heat inside the projector, and a heat dissipation fin 1 (22) and a heat dissipation fin 2 (24) are fixedly provided below the heat dissipation cover (2), and the heat dissipation fin 1 (22) is located on one side of the heat dissipation fin 2 (24).

3. The light source heat dissipation air duct structure according to claim 2, characterized in that: A fan (11) is fixedly provided on the bottom cover (1), the fan (11) is located below the second heat dissipation fin (24), the first heat dissipation fin (22) is located on one side of the fan (11), and the heat dissipation teeth (26) are located on the other side of the fan (11).

4. The light source heat dissipation air duct structure according to claim 3, characterized in that: The lower end of the heat conducting plate (25) abuts against the fan (11) and is used to fix the fan (11).

5. The light source heat dissipation air duct structure according to claim 1, characterized in that: The heat dissipation fin three (3) is fixedly mounted on the bottom cover (1), and a slope (31) is provided below the heat dissipation fin three (3) to reduce the wind resistance of hot air discharge.

6. The light source heat dissipation air duct structure according to claim 1, characterized in that: An exhaust assembly (4) is fixedly provided at one end of the bottom cover (1); the exhaust assembly (4) is located on one side of the arc-shaped surface (12) and is used to exhaust heat-dissipating gas.

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