CN111025826A - Projector with a light source - Google Patents
Projector with a light source Download PDFInfo
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- CN111025826A CN111025826A CN201911244721.6A CN201911244721A CN111025826A CN 111025826 A CN111025826 A CN 111025826A CN 201911244721 A CN201911244721 A CN 201911244721A CN 111025826 A CN111025826 A CN 111025826A
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- air
- ventilation mechanism
- ventilation
- main board
- shell
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/16—Cooling; Preventing overheating
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- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
Abstract
The invention provides a projector which comprises a shell, a main board, an optical machine, a radiator, a first ventilation mechanism and a plurality of second ventilation mechanisms, wherein the main board and the optical machine are arranged in the shell; the first ventilation mechanism is provided with a first air inlet and a first air outlet, and the second ventilation mechanism is provided with a second air inlet and a second air outlet; the first ventilation mechanism is arranged above or below the main board, and the first air inlet faces the main board; the optical machine is arranged between the main board and the first ventilation mechanism; the radiator is arranged on the optical machine and faces the first air outlet; the first air outlet is used for discharging the air entering the first ventilation mechanism out of the shell; all second ventilation mechanism divide and locate the relative both sides of mainboard, and the air outlet of second ventilation mechanism is towards the mainboard, and the second air intake is used for inhaling the air outside the casing. According to the projector provided by the invention, the first ventilation mechanism and the second ventilation mechanism can enable air to form an air channel, so that the air flowing speed is increased, and the heat dissipation efficiency of the projector is improved.
Description
Technical Field
The invention belongs to the technical field of projectors, and particularly relates to a projector.
Background
A projector is a device that can project images or videos onto a curtain, and is widely used in homes, offices, schools, and entertainment places.
The projector generates a large amount of heat during operation, and the heat cannot be discharged in time, so that the service life of the projector is affected. The heat dissipation device of the existing projector can only dissipate heat of part of heating elements of the projector, and heat generated by the heating elements is difficult to be taken away in time, so that the heat dissipation efficiency of the projector is low, the heat dissipation effect is poor, and further the heat generated by the heating elements is accumulated in the projector to influence the service life of the projector.
Disclosure of Invention
The invention aims to provide a projector to solve the technical problem that the projector in the prior art is low in heat dissipation efficiency.
In order to achieve the purpose, the invention adopts the technical scheme that: the projector comprises a shell, a main board, an optical machine, a radiator, a first ventilation mechanism and a plurality of second ventilation mechanisms, wherein the main board and the optical machine are arranged in the shell;
the first ventilation mechanism is provided with a first air inlet and a first air outlet, and the second ventilation mechanism is provided with a second air inlet and a second air outlet;
the first ventilation mechanism is arranged above or below the main board, and the first air inlet faces the main board;
the optical machine is arranged between the main board and the first ventilation mechanism; the radiator is arranged on the optical machine and faces the first air outlet; the first air outlet is used for discharging the air entering the first ventilation mechanism out of the shell;
all the second ventilating mechanisms are respectively arranged on two opposite sides of the main board, the second air outlet is used for discharging air entering the second ventilating mechanisms to the upper side and the lower side of the main board, and the second air inlet is used for sucking air outside the shell.
Further, the radiator is arranged in the shell, and a first vent hole is formed in the position, opposite to the first air outlet, of the shell.
Furthermore, a third air inlet is further arranged on the first ventilation mechanism and used for sucking air outside the shell.
Further, the first ventilation mechanism and the second ventilation mechanism are arranged in the shell;
a second vent hole is formed in the position, opposite to the second air inlet, of the shell;
and a third air inlet is formed in the position, opposite to the third air inlet, of the shell.
Further, the first air outlet faces the light outlet direction which avoids the optical machine.
Furthermore, the number of the first ventilation mechanisms, the number of the radiators and the number of the second ventilation mechanisms are two, and the first ventilation mechanisms correspond to the radiators one to one;
the two second ventilating mechanisms are distributed on the left side and the right side of the main board;
the two first ventilation mechanisms are arranged below the main board and are positioned between the two second ventilation mechanisms;
the radiator is arranged below the main board and is positioned at the rear side of the optical machine.
Further, the second air inlet faces the light emitting direction which avoids the light machine.
Furthermore, all the second ventilating mechanisms are symmetrically distributed on two sides of the main board.
Further, the first air inlet and all the second air outlets are vertically aligned.
Further, the first ventilation mechanism is a turbofan;
the second ventilation mechanism is an axial fan.
The projector provided by the invention has the beneficial effects that: compared with the prior art, the shell of the projector is used for protecting the mainboard and the optical engine, all the second ventilation mechanisms are respectively arranged at two opposite sides of the mainboard, and the second air outlets on the second ventilation mechanisms are used for discharging air entering the second ventilation mechanisms to the upper end and the lower end of the mainboard, so that the air flowing speed on the surface of the mainboard is accelerated, and heat generated by heat-generating components on the mainboard is taken away in time; the radiator is used for radiating the optical machine, a first air inlet on the first ventilation mechanism faces the mainboard, a first air outlet faces the radiator, and air blown to the mainboard by the second ventilation mechanism can meet the upper part and the lower part of the mainboard respectively, so that the air on the same side of the mainboard and the first ventilation mechanism can be sucked by the first ventilation mechanism, passes through the optical machine, enters the first ventilation mechanism, then passes through the radiator and is discharged out of the shell, so that the air flow speed on the surface of the optical machine and the surface of the radiating fins of the radiator is improved, and the heat generated by the optical machine can be taken away in time; the flowing direction of air entering the shell is fixed through the first ventilation mechanism and the second ventilation mechanism, the air is sufficiently and quickly flowed, heat generated by the main board and the optical machine is taken away in time, and the heat dissipation efficiency of the projector is improved; the first ventilation mechanism can play a role in guiding the air flow direction and accelerating the air flow rate in the radiator, and compared with a plurality of fans, the first ventilation mechanism can respectively complete the guiding and accelerating functions, so that the occupied space in the shell is saved, and the flexibility of the position distribution of parts such as an optical machine, the radiator and the like can be improved; because the air in the casing can form fixed flow direction after passing through first ventilation mechanism and second ventilation mechanism, reduced the resistance of circulation of air to the noise of first ventilation mechanism and second ventilation mechanism work has been reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a projector according to an embodiment of the present invention;
fig. 2 is an exploded view of the projector of fig. 1;
fig. 3 is a partial structural schematic view of the projector in fig. 2;
fig. 4 is an air flow diagram of the projector of fig. 2.
Wherein, in the figures, the respective reference numerals:
1. a housing; 11. an upper shell; 12. a lower case; 121. a first vent hole; 122. a second vent hole; 2. a main board; 3. an optical machine; 4. a heat sink; 5. a first ventilation mechanism; 51. a first air inlet; 6. a second ventilation mechanism; 61 a second air inlet; 62. and a second air outlet.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 4, a projector according to the present invention will now be described. The projector comprises a shell 1, a main board 2, an optical machine 3, a radiator 4, a first ventilation mechanism 5 and a plurality of second ventilation mechanisms 6, wherein the main board 2 and the optical machine 3 are arranged in the shell 1;
the first ventilation mechanism 5 is provided with a first air inlet 51 and a first air outlet (not shown in the figure), and the second ventilation mechanism 6 is provided with a second air inlet 61 and a second air outlet 62;
the first ventilation mechanism 5 is arranged above or below the main board 2, and the first air inlet 51 faces the main board 2; preferably, the first ventilation mechanism 5 is arranged below the main board 2, so that the internal structure of the shell 1 is more reasonably distributed, and compared with the case that the first ventilation mechanism 5 is arranged above the main board 2, the optical machine 3 and the first ventilation mechanism 5 can be prevented from crushing the main board 2 due to self gravity, and meanwhile, the first ventilation mechanism 5, the optical machine 3, the main board 2 and other parts are convenient to install;
the optical machine 3 is arranged between the main board 2 and the first ventilation mechanism 5; the radiator 4 is arranged on the optical machine 3 and faces the first air outlet; the first air outlet is used for discharging the air entering the first ventilation mechanism 5 out of the shell 1;
all the second ventilating mechanisms 6 are respectively arranged at two opposite sides of the main board 2, the second air outlet 62 is used for discharging air entering the second ventilating mechanisms 6 to the upper side and the lower side of the main board 2, and the second air inlet 61 is used for sucking air outside the shell 1.
The projection direction of the optical machine 3 in the embodiment of the present invention is directed forward.
Compared with the prior art, the projector provided by the invention has the advantages that the shell 1 is used for protecting the mainboard 2 and the optical machine 3, all the second ventilation mechanisms 6 are respectively arranged at two opposite sides of the mainboard 2, and the second air outlets 62 on the second ventilation mechanisms 6 are used for exhausting air entering the second ventilation mechanisms 6 to the upper part and the lower part of the mainboard 2, so that the air flowing speed on the surface of the mainboard 2 is accelerated, and heat generated by heat-generating components on the mainboard 2 is taken away in time; the radiator 4 is used for radiating the optical machine 3, the first air inlet 51 on the first ventilation mechanism 5 faces the main board 2, the first air outlet faces the radiator 4, and the air blown to the main board 2 by the second ventilation mechanism 6 meets above and below the main board 2 respectively, so that the air on the same side of the main board 2 with the first ventilation mechanism 5 is sucked by the first ventilation mechanism 5, passes through the optical machine 3, enters the first ventilation mechanism 5, then passes through the radiator 4, and is discharged out of the shell 1, so that the air flow speed of the surface of the optical machine 3 and the surface of the radiating fins of the radiator 4 is improved, and the heat generated by the optical machine 3 can be taken away in time; the flowing direction of air entering the shell 1 is fixed through the first ventilation mechanism 5 and the second ventilation mechanism 6, the air is sufficiently and quickly flowed, heat generated by the main board 2 and the optical machine 3 is taken away in time, and the heat dissipation efficiency of the projector is improved; the first ventilation mechanism 5 can play a role in guiding the air flow direction and accelerating the air flow rate in the radiator 4, so that compared with the function of respectively completing the guiding and accelerating by a plurality of fans, the internal occupied space of the shell 1 is saved, and the flexibility of the position distribution of parts such as the optical machine 3, the radiator 4 and the like can be improved; because the air in the shell 1 can form a fixed flow direction after passing through the first ventilation mechanism 5 and the second ventilation mechanism 6, the resistance of air circulation is reduced, and the working noise of the first ventilation mechanism 5 and the second ventilation mechanism 6 is reduced.
Specifically, referring to fig. 1 and 2, the housing 1 includes a lower shell 12 and an upper shell 11 covering the lower shell 12, so as to facilitate installation of the first ventilation mechanism 5, the optical engine 3, the main board 2, and other components.
Further, referring to fig. 2 and fig. 4, as a specific embodiment of the projector provided by the present invention, the heat sink 4 is disposed in the housing 1, the first vent 121 is disposed at a position of the housing 1 opposite to the first air outlet, and the heat sink 4 is protected by the housing 1, so as to prevent the heat sink 4 from being damaged by external force impacting the heat sink 4, and improve integrity of the projector and user experience; the air blown from the first air outlet through the heat sink 4 is timely exhausted out of the housing 1 through the first vent 121, so that the influence of accumulation of hot air in the housing 1 on the service life of the projector is reduced.
Further, referring to fig. 2 and fig. 4, as a specific embodiment of the projector provided by the present invention, the first ventilation mechanism 5 is further provided with a third air inlet, and the third air inlet is used for sucking air outside the housing 1 to increase an amount of air entering the first ventilation mechanism 5, and increase a ratio of cold air entering the first ventilation mechanism 5, so that an amount of air out of the first air outlet is increased, thereby improving a cooling effect on the heat sink 4 when the first ventilation mechanism 5 blows over the heat sink 4.
Further, referring to fig. 1, fig. 2 and fig. 4, as a specific embodiment of the projector provided by the present invention, the first ventilation mechanism 5 and the second ventilation mechanism 6 are both disposed in the housing 1, so as to protect the first ventilation mechanism 5 and the second ventilation mechanism 6 through the housing 1, thereby preventing the first ventilation mechanism 5 and the second ventilation mechanism 6 from being impacted by foreign objects to affect the normal operation of the first ventilation mechanism 5 and the second ventilation mechanism 6, and reducing the failure rate of the first ventilation mechanism 5 and the second ventilation mechanism 6;
a second ventilation hole 122 is formed in the position, opposite to the second air inlet 61, of the housing 1, so that the second ventilation mechanism 6 sucks cold air from the outside of the housing 1 through the second ventilation hole 122, and blows the cold air to the main board 2 through the second air outlet 62, thereby improving the heat dissipation efficiency of the main board 2;
the position of casing 1 relative with the third air inlet is equipped with the third ventilation hole to first ventilation mechanism 5 inhales cold air from the casing 1 through the third ventilation hole, and the rethread first air outlet blows cold air through radiator 4, improves radiator 4's radiating efficiency.
Further, referring to fig. 4, as a specific embodiment of the projector provided by the present invention, the first air outlet faces a light emitting direction that avoids the optical machine 3, so as to ensure a projection effect of the optical machine 3, and prevent dust in air passing through the heat sink 4 from blocking a projection light path of the optical machine 3 after the first air outlet blows towards the heat sink 4, so as to affect the projection effect of the optical machine 3, and meanwhile, the first ventilation mechanism 5 can be conveniently installed.
Further, referring to fig. 3 and 4, as a specific embodiment of the projector provided by the present invention, two first ventilation mechanisms 5, two heat sinks 4, and two second ventilation mechanisms 6 are provided, and the first ventilation mechanisms correspond to the heat sinks 4 one to one;
the two second ventilating mechanisms 6 are distributed on the left side and the right side of the main board 2;
the two first ventilation mechanisms 5 are arranged below the main board 2 and are positioned between the two second ventilation mechanisms 6;
the radiator 4 is arranged below the main board 2 and is positioned at the rear side of the optical machine 3, so that the layout is reasonable, and the first ventilation mechanism 5, the optical machine 3 and the radiator 4 are more compactly installed; simultaneously can also make the heat production components and parts on ray apparatus 3 and the mainboard 2 be located the air runner, make the air flow rate on its surface faster to improve the radiating efficiency of projecting apparatus.
The heat radiator 4 is mounted on the optical machine 3, and the heat radiation efficiency of the optical machine 3 is improved.
Further, referring to fig. 1 and fig. 4, as a specific embodiment of the projector provided by the present invention, the second air inlet 61 faces a light emitting direction that avoids the optical engine 3, so as to ensure a projection effect of the optical engine 3, and prevent dust in the air from blocking a projection light path of the optical engine 3 when the second ventilation mechanism 6 sucks air, so as to affect the projection effect of the optical engine 3.
Further, referring to fig. 3 and fig. 4, as a specific embodiment of the projector provided by the present invention, all the second ventilating mechanisms 6 are symmetrically distributed on two sides of the main board 2, and the space on two sides of the main board 2 is large, so that the second ventilating mechanisms 6 are conveniently installed, and the optical engine 3 is prevented from interfering with the installation of the second ventilating mechanisms 6; and the air blown out by the second ventilation mechanisms 6 on the two sides of the main board 2 is converged and sucked by the first ventilation mechanisms 5 to form an air channel, so that when the position distribution of the second ventilation mechanisms 6 on the two sides of the main board 2 is asymmetric, the second ventilation mechanisms 6 directly blow the air to the other side of the main board 2 to influence the air inflow of the first ventilation mechanisms 5 and influence the formation of the air channel between the main board 2 and the first ventilation mechanisms 5.
Further, referring to fig. 3 and fig. 4, as an embodiment of the projector provided by the present invention, the first air inlet 51 and all the second air outlets 62 are vertically aligned, so that the air blown to the main board 2 by the second ventilation mechanism 6 can be just sucked by the first ventilation mechanism 5, and the air duct formed by the air discharged from the second air outlets 62 is prevented from deviating too far from the air inlet channel of the first ventilation mechanism 5, which affects the air intake amount entering the first ventilation mechanism 5.
Further, as an embodiment of the projector provided by the present invention, the first ventilation mechanism 5 is a turbofan;
the second ventilating mechanism 6 is an axial flow fan, the price of the turbofan and the axial flow fan is low, the air inlet and blowing efficiency is high, and the installation is convenient.
Referring to fig. 4, the flow direction of air in the embodiment of the present invention will now be described in detail:
the second ventilation mechanism 6 sucks cold air from the outside of the shell 1 and blows the cold air to the mainboard 2, wherein most of the air is blown to the lower part of the mainboard 2, and a small part of the air is blown to the upper part of the mainboard 2, so that heat on the mainboard 2 is taken away; the air blown to the lower part of the main board 2 by the second ventilation mechanism 6 is sucked by the first air inlet 51 on the first ventilation mechanism 5 to pass through the optical machine 3, so as to take away part of heat on the optical machine 3, meanwhile, the third air inlet on the first ventilation mechanism 5 sucks cold air from the outside of the shell 1, and the cold air is blown to the radiator 4 through the first air outlet on the first ventilation mechanism 5, so as to take the heat on the radiator 4 out of the shell 1; the heat sink 4 is used for taking away part of the heat on the optical machine 3.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The projecting apparatus, including casing, mainboard and ray apparatus, the mainboard with the ray apparatus is located in the casing, its characterized in that: the radiator, the first ventilation mechanism and the plurality of second ventilation mechanisms are further included;
the first ventilation mechanism is provided with a first air inlet and a first air outlet, and the second ventilation mechanism is provided with a second air inlet and a second air outlet;
the first ventilation mechanism is arranged above or below the main board, and the first air inlet faces the main board;
the optical machine is arranged between the main board and the first ventilation mechanism; the radiator is arranged on the optical machine and faces the first air outlet; the first air outlet is used for discharging the air entering the first ventilation mechanism out of the shell;
all the second ventilating mechanisms are respectively arranged on two opposite sides of the main board, the second air outlet is used for discharging air entering the second ventilating mechanisms to the upper side and the lower side of the main board, and the second air inlet is used for sucking air outside the shell.
2. The projector according to claim 1, wherein: the radiator is arranged in the shell, and a first vent hole is formed in the position, opposite to the first air outlet, of the shell.
3. The projector according to claim 1, wherein: and a third air inlet is also arranged on the first ventilation mechanism and used for sucking air outside the shell.
4. The projector according to claim 3, wherein: the first ventilation mechanism and the second ventilation mechanism are arranged in the shell;
a second vent hole is formed in the position, opposite to the second air inlet, of the shell;
and a third air inlet is formed in the position, opposite to the third air inlet, of the shell.
5. The projector according to claim 1, wherein: the first air outlet faces the light outlet direction which is away from the light machine.
6. The projector according to claim 1, wherein: the number of the first ventilation mechanisms, the number of the radiators and the number of the second ventilation mechanisms are two, and the first ventilation mechanisms correspond to the radiators one to one;
the two second ventilating mechanisms are distributed on the left side and the right side of the main board;
the two first ventilation mechanisms are arranged below the main board and are positioned between the two second ventilation mechanisms;
the radiator is arranged below the main board and is positioned at the rear side of the optical machine.
7. The projector according to claim 1, wherein: the second air inlet faces the light emergent direction which avoids the optical machine.
8. The projector according to claim 7, wherein: all the second ventilating mechanisms are symmetrically distributed on two sides of the main board.
9. The projector according to claim 1, wherein: the first air inlet is vertically aligned with all the second air outlets.
10. The projector according to claim 1, wherein: the first ventilation mechanism is a turbofan;
the second ventilation mechanism is an axial fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911244721.6A CN111025826A (en) | 2019-12-06 | 2019-12-06 | Projector with a light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911244721.6A CN111025826A (en) | 2019-12-06 | 2019-12-06 | Projector with a light source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111025826A true CN111025826A (en) | 2020-04-17 |
Family
ID=70207635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911244721.6A Pending CN111025826A (en) | 2019-12-06 | 2019-12-06 | Projector with a light source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111025826A (en) |
-
2019
- 2019-12-06 CN CN201911244721.6A patent/CN111025826A/en active Pending
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