CN115185148A - Air cooling and automatic air quantity adjusting projector of air inlet of projector - Google Patents

Abstract

The invention discloses a projector capable of air cooling and cooling and automatically adjusting the air volume of the air inlet of the projector, comprising: a lens, the lens is installed on the upper right side of the projector casing, and a heat conduction ring is fixedly arranged on the outer side of the lens, which conducts heat at the same time. A heat-conducting structure is installed on the outer side of the ring, and one end of the heat-conducting structure away from the heat-conducting ring is fixedly connected with the radiator, the radiator is installed on the air outlet end of the cooling fan, and the air inlet end of the cooling fan is fixedly connected with the installation channel. The air-cooled and cooled projector can automatically adjust the air volume of the projector's air inlet. The air inlet volume adjustment structure can adjust the air inlet volume of the inner air inlet pipe; when the external ambient temperature is low, the flow volume is reduced, thereby reducing the cooling wind. When the external environment temperature is high, increase the flow rate, thereby increasing the circulation speed of the cooling air and ensuring the heat dissipation efficiency of the lens.

Description

A projector for air-cooling and cooling and automatically adjusting the air volume of the projector's air inlet

technical field

The invention relates to the field of projectors, in particular to a projector capable of cooling by air and automatically adjusting the air volume of the air inlet of the projector.

Background technique

At present, projectors are widely used in the visual digital light processing video wall display industry. From ultra-high-power light sources to light-emitting diode light sources to laser light sources, the power consumption of the system is getting higher and higher, and the heat generated is also increasing; if If the heat cannot be dissipated in a timely and effective manner, the temperature of the chip will be too high, or even exceed the maximum junction temperature of the chip, thereby affecting the reliability of the device and product.

When the projector is working, a large amount of heat will be generated at the lens. If the heat cannot be dissipated in time and effectively, the lens temperature will be too high; The air intake volume is fixed, so that the cooling air circulation speed is constant, and the temperature at the lens cannot be guaranteed.

SUMMARY OF THE INVENTION

In order to make up for the blank of the market, the present invention provides a projector that can cool down by air cooling and automatically adjust the air volume of the air inlet of the projector.

The purpose of the present invention is to provide a projector that can cool down by air and automatically adjust the air volume of the air inlet of the projector, so as to solve the problems raised in the above background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions: a projector for air-cooling and cooling and automatically adjusting the air volume of the projector's air inlet, comprising:

The lens is installed on the upper right side of the projector housing, and the outer side of the lens is fixedly provided with a heat-conducting ring. At the same time, a heat-conducting structure is installed on the outer side of the heat-conducting ring, and the end of the heat-conducting structure away from the heat-conducting ring is fixedly connected to the radiator to dissipate heat. The radiator is installed on the air outlet end of the cooling fan, and the air inlet end of the cooling fan is fixedly connected to the installation channel, and the side of the installation channel away from the cooling fan is fixedly connected to the air inlet. The radiator, cooling fan and installation channel are all installed in the projector inside the instrument housing;

An installation channel, an inner air inlet pipe is installed inside the pipe of the installation channel, and an air inlet volume adjustment structure is installed on the inner air inlet pipe, and a driving rod is hinged on the disk body of the air inlet volume adjustment structure, and the driving rod is away from the disk body. One end of the windshield is hinged with the surface of the windshield, the end of the windshield is movably connected to the side wall of the inner air inlet pipe through the installation pin, the output shaft of the drive motor is fixedly connected with the drive gear, and the drive motor is installed through the base inside the pipe.

Further, the outer side of the lens conducts heat transfer with the radiator through the heat conducting ring and the heat conducting structure, and the radiator is communicated with the air outlet of the projector housing, and the radiator is air-cooled and dissipated by a cooling fan.

Further, the heat-conducting structure includes a left-side heat-conducting plate, an upper-side heat-conducting plate, a right-side heat-conducting plate, a lower-side heat-conducting plate and a heat-conducting pipe, and the left-hand heat-conducting plate is respectively installed at the four end points of the outer circumferential position of the heat-conducting ring. , The upper heat conduction plate, the right heat conduction plate and the lower heat conduction plate.

Further, the ends of the left heat conduction plate, the upper heat conduction plate, the right heat conduction plate and the lower heat conduction plate are all installed with heat conduction pipes, and the four groups of heat conduction pipes are respectively inserted into the interior of the radiator, and the upper side heat conduction The thickness of the plate and the lower heat conducting plate shall be the same.

Further, the thickness of the upper heat conducting plate is greater than that of the right heat conducting plate, and the thickness of the left heat conducting plate is greater than that of the upper heat conducting plate.

Further, the installation channel includes a pipe, an inner air inlet pipe, a driving motor, a guide plate, a guiding block, a driving gear, a ring gear and an air inlet volume adjustment structure, and a ring gear is installed on the outer side of the air inlet volume adjustment structure, while the ring gear mesh with the drive gear.

Further, five groups of guide blocks are evenly installed on the surface of the disk body on the air inlet volume adjustment structure, and the guide blocks are slidably arranged in the guide rails provided inside the guide disk, and the guide disk is installed on the inner wall of the pipe.

Further, the air inlet volume adjustment structure includes a disk body, a drive rod, a mounting pin and a windshield, and five groups of drive rods are evenly arranged on the disk body, and the drive rods are arc structures made of metal materials. At the same time, five groups of wind deflectors are movably arranged on the inner air inlet pipe.

Further, the wind deflectors are driven by a drive rod, and the five groups of wind deflectors are all fan-shaped structures made of metal materials.

Further, the wind deflector includes an airflow blocking flange and an airflow circulating portion, and the surface curvature of the airflow blocking flange is greater than that of the airflow circulating portion.

Compared with the prior art, the beneficial effects of the present invention are:

1. The thickness of the left heat-conducting plate is larger than that of the right heat-conducting plate, so that the heat at the right end of the heat-conducting ring can be transferred to the radiator more quickly through the thicker left heat-conducting plate, so that the heat-conducting ring can be used for the lens. Carry out uniform heat dissipation work;

2. The air intake volume adjustment structure can adjust the air intake volume of the inner air intake pipe; when the external ambient temperature is low, the flow rate is reduced, thereby reducing the circulation speed of the cooling air and ensuring the operating temperature of the lens; when the external ambient temperature is low, the flow rate is reduced. When it is higher, increase the flow rate, thereby increasing the circulation speed of the cooling air and ensuring the heat dissipation efficiency of the lens.

Description of drawings

Fig. 1 is the front view schematic diagram of the structure of the present invention;

2 is a schematic cross-sectional view of a heat conducting ring, a lens, a heat conducting structure and a heat sink of the structure of the present invention;

3 is a schematic cross-sectional view of a radiator of the structure of the present invention;

4 is a schematic diagram of an installation channel of the structure of the present invention;

Fig. 5 is the A-A sectional schematic diagram in Fig. 4 of the structure of the present invention;

FIG. 6 is a schematic diagram of the unfolding of the wind deflector on the air inlet volume adjustment structure of the structure of the present invention;

Fig. 7 is the schematic diagram of the wind deflector of the structure of the present invention;

Fig. 8 is the B-B sectional schematic diagram in Fig. 7 of the structure of the present invention;

FIG. 9 is a schematic diagram of the airflow impacting on the surface of the wind deflector according to the structure of the present invention.

In the figure: 1, heat conduction ring; 2, lens; 3, heat conduction structure; 31, left heat conduction plate; 32, upper heat conduction plate; 33, right heat conduction plate; 34, lower heat conduction plate; 35, heat conduction pipe; 4, radiator; 5, cooling fan; 6, installation channel; 61, pipe; 62, inner air inlet pipe; 63, drive motor; 64, guide plate; 65, guide block; 66, drive gear; 67, ring gear ; 68, air intake volume adjustment structure; 681, disc body; 682, drive rod; 683, installation pin; 684, windshield; 6841, airflow blocking flange; 6842, airflow circulation part; 7, air inlet; 8, Projector housing.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

1-9, the present invention provides a technical solution: a projector for air cooling and automatic adjustment of the air volume of the air inlet of the projector, including: a lens 2 and an installation channel 6;

The lens 2 is installed on the upper right side of the projector housing 8, and the outer side of the lens 2 is fixedly provided with a heat-conducting ring 1, and at the same time, a heat-conducting structure 3 is installed on the outer side of the heat-conducting ring 1, and the end of the heat-conducting structure 3 away from the heat-conducting ring 1 and the heat sink are installed. 4 is fixedly connected, the radiator 4 is installed on the air outlet end of the cooling fan 5, and the air inlet end of the cooling fan 5 is fixedly connected with the installation channel 6, and the side of the installation channel 6 away from the cooling fan 5 is fixedly connected with the air inlet 7, The radiator 4, the cooling fan 5 and the installation channel 6 are all installed inside the projector housing 8;

Inside the pipe 61 of the installation channel 6 is installed an inner air inlet duct 62, and the inner air inlet duct 62 is provided with an air inlet volume adjustment structure 68, and at the same time, a drive rod 682 is hinged on the disk body 681 of the air inlet volume adjustment structure 68, and the drive rod One end of 682 away from the disc body 681 is hinged with the surface of the windshield 684, and the end of the windshield 684 is movably connected to the side wall of the inner air inlet duct 62 through the installation pin 683, and the output shaft of the drive motor 63 is connected to the drive gear. 66 is fixedly connected, and the drive motor 63 is installed inside the pipe 61 through the base.

The heat generated by the lens 2 during operation is transferred to the radiator 4 through the heat-conducting structure 3, and the switch of the cooling fan 5 is activated at the same time. The film is air-cooled and dissipated, and the gas is discharged from the exhaust end on the projector housing 8 through the radiator 4 to complete the heat dissipation of the lens 2 .

Embodiment 2: This embodiment is a further limitation of Embodiment 1. The outer side of the lens 2 conducts heat transfer through the heat conduction ring 1, the heat conduction structure 3 and the heat sink 4, and the heat sink 4 and the projector housing 8 are exhausted. The radiator 4 is air-cooled and dissipated by the cooling fan 5.

As shown in Figure 1-2: When the lens 2 is working, the heat generated is transferred to the heat dissipation fins on the heat sink 4 through the thermal conductive structure 3, and the heat on the heat dissipation fins is dissipated by the cooling airflow that shuttles inside it.

Embodiment 3: This embodiment is a further limitation of Embodiment 2. The heat conduction structure 3 includes a left heat conduction plate 31 , an upper heat conduction plate 32 , a right heat conduction plate 33 , a lower heat conduction plate 34 and a heat conduction pipe 35 , and The left heat conduction plate 31 , the upper heat conduction plate 32 , the right heat conduction plate 33 and the lower heat conduction plate 34 are respectively installed at the four end points of the outer circumferential position of the heat conduction ring 1 .

As shown in Figure 2: the left heat conduction plate 31, the upper heat conduction plate 32, the right heat conduction plate 33, the lower heat conduction plate 34 and the heat conduction pipe 35 are sequentially installed on the four end points of the outer surface of the heat conduction ring 1, and the heat conduction ring 1 The heat generated by the lens 2 is absorbed and transmitted to the heat conduction pipe 35 through the left heat conduction plate 31 , the upper heat conduction plate 32 , the right heat conduction plate 33 and the lower heat conduction plate 34 , and the heat conduction pipe 35 transmits the heat to the radiator 4 . , for cooling work.

Embodiment 4: This embodiment is a further limitation of Embodiment 3. The ends of the left heat conduction plate 31, the upper heat conduction plate 32, the right heat conduction plate 33 and the lower heat conduction plate 34 are all installed with heat conduction pipes 35, In addition, the four groups of heat-conducting pipes 35 are respectively inserted into the interior of the radiator 4 , and the thicknesses of the upper heat-conducting plate 32 and the lower-side heat-conducting plate 34 are the same.

As shown in FIG. 2: the heat transfer distances between the upper heat conduction plate 32, the lower heat conduction plate 34 and the radiator 4 are the same, the heat transfer distance between the right heat conduction plate 33 and the radiator 4 is the shortest, and the left heat conduction plate The heat transfer distance between 31 and the radiator 4 is the longest; the thickness of the left heat conduction plate 31 is greater than that of the right heat conduction plate 33, so that the heat at the right end of the heat conduction ring 1 can pass through the thicker left heat conduction plate. 31 is transferred to the radiator 4 more quickly, so that the heat-conducting ring 1 can evenly dissipate heat to the lens 2 .

Embodiment 5: This embodiment is a further limitation of Embodiment 4. The thickness of the upper heat conduction plate 32 is greater than that of the right heat conduction plate 33 , and the thickness of the left heat conduction plate 31 is greater than that of the upper heat conduction plate 32 .

The left heat conduction plate 31 , the upper heat conduction plate 32 , the right heat conduction plate 33 , the lower heat conduction plate 34 and the heat conduction pipe 35 are all made of copper tubes, which have excellent heat conduction effect.

Embodiment 6: This embodiment is a further limitation of Embodiment 1. The installation channel 6 includes a pipe 61, an inner air inlet duct 62, a drive motor 63, a guide plate 64, a guide block 65, a drive gear 66, a ring gear 67 and The air intake volume adjustment structure 68 is provided with a ring gear 67 on the outside of the air intake volume adjustment structure 68 , and the ring gear 67 meshes with the drive gear 66 .

As shown in FIG. 4 : the inside of the installation channel 6 is provided with an inner air inlet duct 62, the inner air inlet duct 62 is used for the air intake of the cooling fan 5, and the inner air inlet duct 62 is installed with an air intake volume adjustment structure 68. The setting of the adjustment structure 68 can adjust the air intake volume of the inner air intake duct 62 .

Embodiment 7: This embodiment is a further limitation of Embodiment 6. Five groups of guide blocks 65 are evenly installed on the surface of the disk body 681 on the air intake volume adjustment structure 68 , and the guide blocks 65 are slidably arranged on the openings opened inside the guide disk 64 . In the guide rail, the guide plate 64 is installed on the inner wall of the pipe 61 .

As shown in Fig. 1 and Fig. 4: the air inlet volume adjustment structure 68 can adjust the air inlet volume of the inner air inlet duct 62; when the external ambient temperature is low, the flow rate is reduced, thereby reducing the circulation speed of the cooling air, ensuring that The operating temperature of the lens 2; when the external ambient temperature is high, the flow rate is increased, thereby increasing the circulation speed of the cooling air and ensuring the heat dissipation efficiency of the lens 2.

Embodiment 8: This embodiment is a further limitation of Embodiment 7. The air intake volume adjustment structure 68 includes a disc body 681, a drive rod 682, a mounting pin 683 and a wind shield 684, and the disc body 681 is evenly arranged with There are five groups of driving rods 682 . The driving rods 682 are arc structures made of metal materials, and at the same time, five groups of wind deflectors 684 are movably arranged on the inner air inlet pipe 62 .

As shown in Fig. 5 and Fig. 6 : the working mode of the air inlet volume adjustment structure 68 is: start the switch of the drive motor 63, the drive motor 63 drives the drive gear 66 to rotate, and under the action of the ring gear 67, drives the disc body 681 to rotate, and the disc body 681 rotates. The body 681 drives the five groups of wind deflectors 684 respectively through the five groups of driving rods 682 on it; the state shown in FIG. 5 is that the air intake volume of the inner air inlet duct 62 is the least; The air intake volume of the air duct 62 is the largest.

Embodiment 9: This embodiment is a further limitation of Embodiment 8. The wind deflector 684 is driven by the driving rod 682 , and the five sets of wind deflectors 684 are all fan-shaped structures made of metal materials.

As shown in FIG. 5 : the wind deflector 684 is driven by the driving rod 682. When the disc body 681 rotates, the five groups of guide blocks 65 on it are respectively slidably arranged inside the guide disc 64, which can adjust the disc body during rotation. The 681 is limited and guided to avoid the situation that the drive gear 66 and the ring gear 67 are disengaged due to the inclination of the disc body 681 .

Embodiment 10: This embodiment is a further limitation of Embodiment 9. The wind deflector 684 includes an airflow blocking flange 6841 and an airflow circulation portion 6842, and the surface curvature of the airflow blocking flange 6841 is greater than that of the airflow circulation portion 6842.

As shown in FIG. 9 : when the airflow hits the lower side of the airflow blocking flange 6841, the airflow can enter the interior of the inner air inlet duct 62 through the airflow circulation portion 6842, and the surface curvature of the airflow blocking flange 6841 is greater than that of the airflow circulation portion. Due to the surface curvature of 6842, when the air intake volume adjusting structure 68 is at the maximum opening, the setting of the airflow blocking flange 6841 and the airflow circulation part 6842 can increase the air intake volume of the inner air intake duct 62 and improve the heat dissipation effect of the lens 2.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, and substitutions can be made in these embodiments without departing from the principle and spirit of the invention and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (10)

1. a projector for air-cooled cooling and automatic adjustment of the air volume of the projector air inlet, is characterized in that, comprising: The lens (2), the lens (2) is installed on the upper right side of the projector housing (8), and the outer side of the lens (2) is fixedly provided with a heat conduction ring (1), and the outer side of the heat conduction ring (1) is installed with a The heat-conducting structure (3), and the end of the heat-conducting structure (3) away from the heat-conducting ring (1) is fixedly connected to the radiator (4), the radiator (4) is installed on the air outlet end of the cooling fan (5), and the cooling fan ( The air inlet end of 5) is fixedly connected with the installation channel (6), and the side of the installation channel (6) away from the cooling fan (5) is fixedly connected with the air inlet (7), the radiator (4), the cooling fan (5) and the installation channel (6) are installed inside the projector housing (8); An installation channel (6), an inner air inlet pipe (62) is installed inside the pipe (61) of the installation channel (6), and an air inlet volume adjustment structure (68) is installed on the inner air inlet pipe (62), and the air inlet pipe (62) is installed at the same time. A drive rod (682) is hinged on the disk body (681) of the air volume adjusting structure (68), and one end of the drive rod (682) away from the disk body (681) is hinged with the surface of the wind deflector (684). The end of 684) is movably connected to the side wall of the inner air inlet duct (62) through the installation pin (683), the output shaft of the drive motor (63) is fixedly connected with the drive gear (66), and the drive motor (63) It is installed inside the pipe (61) through the machine base. 2. The projector according to claim 1, characterized in that: the outer side of the lens (2) passes through a heat conducting ring (1) and a heat conducting structure (3) Heat transfer is performed with the radiator (4), and the radiator (4) is communicated with the air outlet of the projector housing (8), and the radiator (4) is air-cooled and radiated by the cooling fan (5). 3. The projector according to claim 2, characterized in that: the heat conduction structure (3) comprises a left heat conduction plate (31) and an upper heat conduction plate (32), the right heat conduction plate (33), the lower heat conduction plate (34) and the heat conduction pipe (35), and the left heat conduction plate (31) is respectively installed at the four end points of the outer circumferential position of the heat conduction ring (1). ), an upper heat conduction plate (32), a right heat conduction plate (33), and a lower heat conduction plate (34). 4. The projector according to claim 3, characterized in that: the left heat conducting plate (31), the upper heat conducting plate (32), the right heat conducting plate (32), the The ends of the heat-conducting plate (33) and the lower heat-conducting plate (34) are each provided with heat-conducting pipes (35), and the four groups of heat-conducting pipes (35) are respectively inserted into the interior of the radiator (4), and the upper heat-conducting plate ( 32) and the thickness of the lower heat conducting plate (34). 5. The projector according to claim 4, characterized in that: the thickness of the upper heat-conducting plate (32) is greater than that of the right-hand heat-conducting plate (33). thickness, and the thickness of the left heat conducting plate (31) is greater than the thickness of the upper heat conducting plate (32). 6. The projector according to claim 1, characterized in that: the installation channel (6) comprises a pipe (61) and an inner air inlet pipe (62) , the drive motor (63), the guide plate (64), the guide block (65), the drive gear (66), the ring gear (67) and the air intake volume adjustment structure (68), and the air intake volume adjustment structure (68) is installed outside There is a ring gear (67), while the ring gear (67) meshes with the drive gear (66). 7. The projector according to claim 6, characterized in that: the surface of the disk body (681) on the air inlet volume adjustment structure (68) is evenly installed with There are five groups of guide blocks (65), and the guide blocks (65) are slidably arranged in the guide rails provided inside the guide plate (64), and the guide plate (64) is installed on the inner wall of the pipe (61). 8 . The projector according to claim 7 , wherein the air-cooled cooling and automatic adjustment of the air volume of the projector air inlet is characterized in that: the air inlet volume adjustment structure (68) comprises a disk body (681), a drive rod (682) ), install the pin (683) and the wind deflector (684), and the disc body (681) is provided with five groups of driving rods (682) evenly movable, and the driving rods (682) are arc structures made of metal materials At the same time, five groups of wind deflectors (684) are movably arranged on the inner air inlet pipe (62). 9 . The projector according to claim 8 , wherein the air-cooled cooling and automatic adjustment of the air volume at the air inlet of the projector are performed, wherein the wind shield ( 684 ) is driven by a drive rod ( 682 ), and five groups of The wind deflectors (684) are all fan-shaped structures made of metal materials. 10. The projector according to claim 9, wherein the air-cooled cooling and automatic adjustment of the air volume of the projector's air inlet are characterized in that: the air baffle (684) comprises an airflow blocking flange (6841) and an airflow circulation part (6842), and the surface curvature of the airflow blocking flange (6841) is greater than the surface curvature of the airflow circulation part (6842).

Images