Rapid heat dissipation structure of projector

Abstract

The utility model relates to the technical field of heat dissipation of projectors, and provides a rapid heat dissipation structure of a projector, which comprises a main case, the inner surface of the main case is fixedly connected with a lining plate, one side of the lining plate is fixedly connected with two shaft plates, the inner sides of the two shaft plates are rotatably connected with a main rod, and the inner side of the main rod is fixedly connected with the lining plate. The outer surface of the main rod is fixedly sleeved with two fixing plates, the inner sides of the two fixing plates are fixedly connected with follow-up rods, the outer surfaces of the follow-up rods are movably sleeved with rod sleeves, the outer surfaces of the rod sleeves are fixedly connected with embedded rods, and cranks are movably embedded in the outer surfaces of the embedded rods; the side, away from the main rod, of the crank is fixedly connected with a power rod. According to the utility model, the air flow direction can be changed, heat can be more uniformly dissipated, local overheat can be taken away, the heat dissipation coverage area can be enlarged, the overall temperature in the projector can be effectively reduced, the heat dissipation effect can be improved, the stable operation of the projector can be ensured, and the use flexibility and the energy-saving effect are better.

Description

TECHNICAL FIELD

[0001] The utility model relates to a projector heat dissipation technical field especially relates to a quick heat dissipation structure of projector. BACKGROUND

[0002] The quick heat dissipation structure of projector has very important function, mainly reflects in the following several aspects: the projector contains many electronic components sensitive to temperature, the projector bulb can produce a large amount of heat when working, and its temperature is at a high level under normal working condition, if not timely heat dissipation, excessive heat accumulation, the service life of the bulb can be greatly shortened, and even damage such as lamp explosion can occur. And the chip and other electronic components are also prone to unstable performance, accelerated aging, short circuit and other faults in high temperature environment, the quick heat dissipation structure can effectively take away the heat generated by these components, so that they are in a reasonable working temperature range, prolong their service life, and ensure that the projector can operate stably and reliably. In some scenarios where the projector is used for a long time, such as a meeting lasting for several hours, a school where different courses need to use the projector all day, etc.

[0003] However, the prior art such as China Patent No. CN213149452U, "a quick cooling heat dissipation structure for projector", the utility model discloses a quick cooling heat dissipation structure for projector, which comprises a shell, a light source is installed in the shell, a plurality of evenly arranged heat dissipation grooves are arranged on the right side wall of the shell, a heat dissipation sleeve is fixedly connected to the outer wall of the light source, a horizontal transverse heat dissipation plate is fixedly connected to the outer wall of the heat dissipation sleeve, a group of mounting brackets are fixedly connected to the inner wall of the shell, and a heat dissipation fan is mounted on the mounting bracket. The utility model has the advantages of simple structure, multiple heat dissipation modes and outstanding heat dissipation effect.

[0004] However, this device does not set up a swing type heat dissipation structure, cannot change the direction of air flow, makes the heat more evenly dissipate, takes away the local overheating, cannot expand the heat dissipation coverage, cannot effectively reduce the overall temperature inside the projector, reduces the heat dissipation effect, cannot guarantee the stable operation of the projector, has poor use flexibility and energy saving effect, the device does not set up a dust removal structure of heat dissipation hole, dust in the air is easy to enter the projector inside through the heat dissipation hole, and gradually accumulates in the heat dissipation hole and the nearby area, blocks the heat dissipation channel, cannot maintain the low temperature environment inside the projector, increases the thermal stress of the components, thereby reducing the service life of the projector as a whole, and increasing the use cost of the user. UTILITY MODEL CONTENTS

[0005] The utility model discloses a purpose is to solve the prior art exists, cannot change the airflow direction, make the heat more evenly spread, take away local overheating, can not expand the heat dissipation coverage, can not effectively reduce the overall temperature of projector inside, reduce the heat dissipation effect, cannot guarantee the stable operation of projector, use flexibility and energy -conserving effect is poor, the dust in air is easy to enter projector inside through the heat dissipation hole, and gradually accumulates in the heat dissipation hole and nearby area, blocks the heat dissipation channel, cannot maintain the low temperature environment of projector inside, increases the thermal stress of component, thereby reduced the overall service life of projector, provides the use cost problem of user.

[0006] In order to realize the above-mentioned purpose, the utility model discloses a fast heat dissipation structure of projector, including host computer shell, the inner surface fixed connection of host computer shell has the lining plate, the one side fixed connection of lining plate has two axle plates, the inside rotation of two axle plates is connected with main rod, the outer surface fixed sleeve of main rod has two fixed plates, the inside fixed connection of two fixed plates has the follow -up rod, the outer surface movable sleeve of follow -up rod has the rod cover, the outer surface fixed connection of rod cover has the embedded rod, the outer surface movable embedding of embedded rod has the crank, the one side fixed connection of the crank away from main rod has the power rod, the outer surface rotation of power rod is connected in the inside embedded rod and rod cover of lining plate, does the circumferential movement, the vertical motion of rod cover on follow -up rod will be cancelled, and its transverse motion will make, follow -up rod and fixed plate, drive main rod swing in axle plate inside.

[0007] As a preferred implementation, the one side fixed connection of the lining plate away from the crank has two L-shaped plates, the inside fixed connection of two L-shaped plates has the first motor, the output end fixed connection of the first motor is in one end of the power rod, and the first motor is fixed on one side of the lining plate through the L-shaped plate.

[0008] As a preferred implementation, the outer surface fixed connection of the main rod has the second motor, and the output end fixed connection of the second motor has the fan blade. The rotating fan blade can generate wind power and drive hollow flow to blow out the heat from the heat dissipation groove.

[0009] As a preferred implementation, the inner surface bottom fixed connection of the host computer shell has the pressure plate, the outer surface fixed connection of the pressure plate has a plurality of heat exchange fins, and the outer side of the host computer shell is provided with a plurality of heat dissipation grooves. First, the light emitting element and the heat generating element of the device are placed above the pressure plate, and the heat is transferred to the heat exchange fins.

[0010] As a preferred implementation, the inside fixed connection of the host computer shell has the limiting rod, and the outer surface movable sleeve of the limiting rod has the limiting sleeve. The limiting sleeve can only move along the axial direction of the limiting rod.

[0011] As a preferred implementation, the outer surface of the limiting sleeve is fixedly connected with a scraper, and the side away from the limiting sleeve of the scraper is fixedly connected with an internally threaded sleeve.

[0012] As a preferred implementation, the inner surface of the internally threaded sleeve is threadedly connected with a threaded rod, the outer surface of the threaded rod is rotatably connected inside the main shell and extends upward by one end, and rotating the thread will drive the internally threaded sleeve.

[0013] As a preferred implementation, the top of the main shell is fixedly connected with a mounting sleeve, the inner surface of the mounting sleeve is fixedly embedded with a third motor, and the output end of the third motor is fixedly connected to the top of the threaded rod.

[0014] Compared with the prior art, the advantages and positive effects of the utility model are that:

[0015] 1. The utility model discloses a swing type heat dissipation structure, which can change the airflow direction, make heat more evenly dissipate, take away local overheating, can expand the heat dissipation coverage range, effectively reduce the overall temperature inside the projector, improve the heat dissipation effect, guarantee the stable operation of the projector, and have good use flexibility and energy saving effect.

[0016] 2. The utility model discloses a heat dissipation hole dust removal structure, which can avoid that dust in the air easily enters the inside of the projector through the heat dissipation hole and gradually accumulates in the heat dissipation hole and the nearby area, block the heat dissipation channel, maintain the low-temperature environment inside the projector, reduce the thermal stress of components, thereby prolonging the overall service life of the projector and reducing the use cost of users. DRAWINGS

[0017] Figure 1 A perspective structural schematic view of the quick heat dissipation structure of the projector is provided.

[0018] Figure 2 A back structure schematic view of the quick heat dissipation structure of the projector is provided.

[0019] Figure 3 A cross-sectional structure schematic view of the quick heat dissipation structure of the projector is provided.

[0020] Figure 4 A cross-sectional structure schematic view of the quick heat dissipation structure of the projector is provided.

[0021] Figure 5 A disassembly structure schematic view of the quick heat dissipation structure of the projector is provided.

[0022] Legend:

[0023] 1, host shell; 2, lining plate; 3, shaft plate; 4, main rod; 5, fixed plate; 6, follow-up rod; 7, rod sleeve; 8, embedded rod; 9, crank; 10, power rod; 11, L-shaped plate; 12, first motor; 13, second motor; 14, fan blade; 15, pressure plate; 16, heat exchange fin; 17, heat dissipation groove; 18, limiting rod; 19, limiting sleeve; 20, scraper; 21, internal thread sleeve; 22, threaded rod; 23, mounting sleeve; 24, third motor. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in 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.

[0025] Please refer to Figures 1 to 5 The present application provides a technical scheme: a quick heat dissipation structure of a projector, which comprises a host shell 1, the inner surface of the host shell 1 is fixedly connected with a lining plate 2, one side of the lining plate 2 is fixedly connected with two shaft plates 3, the inner side of the two shaft plates 3 is rotatably connected with a main rod 4, the outer surface of the main rod 4 is fixedly sleeved with two fixed plates 5, the inner side of the two fixed plates 5 is fixedly connected with a follow-up rod 6, the outer surface of the follow-up rod 6 is movably sleeved with a rod sleeve 7, the outer surface of the rod sleeve 7 is fixedly connected with an embedded rod 8, the outer surface of the embedded rod 8 is movably embedded with a crank 9, one side of the crank 9 away from the main rod 4 is fixedly connected with a power rod 10, the outer surface of the power rod 10 is rotatably connected inside the lining plate 2, the power rod 10 rotates in the lining plate 2, the crank 9 rotating with the power rod 10 will drive the embedded rod 8 and the rod sleeve 7 to move in a circle, and the rod sleeve 7 will offset the vertical movement when moving on the follow-up rod 6.

[0026] As Figures 1 to 5 shown, two L-shaped plates 11 are fixedly connected to one side of the lining plate 2 away from the crank 9, the inner side of the two L-shaped plates 11 is fixedly connected with a first motor 12, the output end of the first motor 12 is fixedly connected to one end of the power rod 10, and the first motor 12 will drive the power rod 10 to rotate in the lining plate 2 after being electrified.

[0027] As Figures 1 to 5 shown, a second motor 13 is fixedly connected to the outer surface of the main rod 4, a fan blade 14 is fixedly connected to the output end of the second motor 13, and the second motor 13 will drive the fan blade 14 to rotate after being electrified.

[0028] As Figures 1 to 5As shown, the inner surface of the host shell 1 is fixedly connected with a pressure plate 15, the outer surface of the pressure plate 15 is fixedly connected with a plurality of heat exchange fins 16, the outer side of the host shell 1 is provided with a plurality of heat dissipation grooves 17, the rotating fan blade 14 will generate wind power and drive the hollow flow, and blow out the heat from the inside of the heat dissipation groove 17.

[0029] As shown, Figures 1 to 5 The inner surface of the host shell 1 is fixedly connected with a limiting rod 18, the outer surface of the limiting rod 18 is movably sleeved with a limiting sleeve 19, the limiting sleeve 19 on one side of the scraper 20 can only move along the axis direction of the limiting rod 18.

[0030] As shown, Figures 1 to 5 The outer surface of the limiting sleeve 19 is fixedly connected with a scraper 20, the side away from the limiting sleeve 19 of the scraper 20 is fixedly connected with an internal thread sleeve 21, the scraper 20 moves along the axis direction of the limiting rod 18, and the dust inside the heat dissipation groove 17 is scraped.

[0031] As shown, Figures 1 to 5 The inner surface of the internal thread sleeve 21 is threadedly connected with a threaded rod 22, the outer surface of the threaded rod 22 is rotatably connected to the inside of the host shell 1 and extends one end upward, and the rotating thread drives the internal thread sleeve 21.

[0032] As shown, Figures 1 to 5 The top of the host shell 1 is fixedly connected with a mounting sleeve 23, the inner surface of the mounting sleeve 23 is fixedly embedded with a third motor 24, the output end of the third motor 24 is fixedly connected to the top of the threaded rod 22, and the third motor 24 is fixed to the top of the host shell 1 through the mounting sleeve 23.

[0033] Working principle: first, the light emitting element and the heating element of the device are placed above the pressure plate 15, the heat will be transferred to the heat exchange fin 16, when the device needs to be cooled, the external power supply of the second motor 13 can be started, the model of the second motor 13 is ZYT, the rated power is 200W, the second motor 13 is energized and drives the fan blade 14 to rotate, the rotating fan blade 14 will produce wind power and drive the hollow flow, the heat inside the heat dissipation groove 17 is blown out, when a large range of heat dissipation is needed, the external power supply of the first motor 12 can be started, the model of the first motor 12 is J-SZ, the rated power is 75W, the first motor 12 is fixed on one side of the lining plate 2 through the L-shaped plate 11, the first motor 12 is energized and drives the power rod 10 to rotate in the lining plate 2, the crank 9 rotating with the power rod 10 drives the embedded rod 8 and the rod sleeve 7 to move in a circle, the rod sleeve 7 moves on the follower rod 6 to offset its vertical movement, its horizontal movement drives the follower rod 6 and the fixed plate 5 to drive the main rod 4 to swing inside the shaft plate 3, the second motor 13 and the fan blade 14 also swing synchronously, the heat dissipation coverage is expanded, the overall temperature inside the projector can be effectively reduced, the heat dissipation effect is improved, the stable operation of the projector is ensured, the use flexibility and energy saving effect are good, when the heat dissipation groove 17 is blocked by dust due to long-term use of the device, the external power supply of the third motor 24 can be started, the model of the third motor 24 is SZ, the rated power is 120W, the third motor 24 is fixed on the top of the main machine shell 1 through the mounting sleeve 23, the third motor 24 is energized and drives the threaded rod 22 to rotate inside the main machine shell 1, the rotating thread drives the internal threaded sleeve 21, because the limiting sleeve 19 on one side of the scraper 20 can only move along the axis direction of the limiting rod 18, so the rotating thread drives the scraper 20 to move along the axis direction of the limiting rod 18, and the dust inside the heat dissipation groove 17 is scraped off.

[0034] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technology content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification of the above embodiments made according to the technical essence of the present application still belongs to the protection scope of the present application.

Claims

1. A quick heat-dissipation structure of a projector, comprising a main casing (1), characterized in that, The inner surface of the main shell (1) is fixedly connected with a lining plate (2), one side of the lining plate (2) is fixedly connected with two shaft plates (3), the inner sides of the two shaft plates (3) are rotatably connected with a main rod (4), the outer surface of the main rod (4) is fixedly sleeved with two fixed plates (5), the inner sides of the two fixed plates (5) are fixedly connected with a follower rod (6), the outer surface of the follower rod (6) is movably sleeved with a rod sleeve (7), the outer surface of the rod sleeve (7) is fixedly connected with an embedded rod (8), the outer surface of the embedded rod (8) is movably embedded with a crank (9), the side away from the main rod (4) of the crank (9) is fixedly connected with a power rod (10), and the outer surface of the power rod (10) is rotatably connected inside the lining plate (2).

2. The quick heat-dissipation structure of a projector according to claim 1, wherein: The side away from the crank (9) of the lining plate (2) is fixedly connected with two L-shaped plates (11), the inner sides of the two L-shaped plates (11) are fixedly connected with a first motor (12), and the output end of the first motor (12) is fixedly connected to one end of the power rod (10).

3. The quick heat-dissipation structure of a projector according to claim 2, wherein: The outer surface of the main rod (4) is fixedly connected with a second motor (13), and the output end of the second motor (13) is fixedly connected with a fan blade (14).

4. The quick heat-dissipation structure of a projector according to claim 3, wherein: The inner surface bottom of the main shell (1) is fixedly connected with a pressure bearing plate (15), the outer surface of the pressure bearing plate (15) is fixedly connected with a plurality of heat exchange fins (16), and the outer side of the main shell (1) is provided with a plurality of heat dissipation grooves (17).

5. The quick heat-dissipation structure of a projector according to claim 4, wherein: The inside of the main shell (1) is fixedly connected with a limiting rod (18), and the outer surface of the limiting rod (18) is movably sleeved with a limiting sleeve (19).

6. The quick heat-dissipation structure of a projector according to claim 5, wherein: The outer surface of the limiting sleeve (19) is fixedly connected with a scraper (20), and the side away from the limiting sleeve (19) of the scraper (20) is fixedly connected with an internally threaded sleeve (21).

7. The quick heat-dissipation structure of a projector according to claim 6, wherein: The inner surface of the internally threaded sleeve (21) is threadedly connected with a threaded rod (22), and the outer surface of the threaded rod (22) is rotatably connected inside the main shell (1) and extends upward by one end.

8. The quick heat-dissipation structure of a projector according to claim 7, wherein: The top of the main shell (1) is fixedly connected with a mounting sleeve (23), the inner surface of the mounting sleeve (23) is fixedly embedded with a third motor (24), and the output end of the third motor (24) is fixedly connected to the top of the threaded rod (22).

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