CN113296338B - Projector beneficial to heat dissipation - Google Patents
Projector beneficial to heat dissipation Download PDFInfo
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- CN113296338B CN113296338B CN202110540953.7A CN202110540953A CN113296338B CN 113296338 B CN113296338 B CN 113296338B CN 202110540953 A CN202110540953 A CN 202110540953A CN 113296338 B CN113296338 B CN 113296338B
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- heat dissipation
- radiator
- air duct
- projector
- optical machine
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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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- 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
- G03B21/145—Housing details, e.g. position adjustments thereof
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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
- G03B31/00—Associated working of cameras or projectors with sound-recording or sound-reproducing means
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- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
Abstract
The invention discloses a projector beneficial to heat dissipation, which comprises a shell, wherein the shell comprises a first shell wall and a second shell wall which are oppositely arranged, and a mounting seat is arranged in the shell; the loudspeaker box is arranged in parallel with the first shell wall, the loudspeaker box is provided with a flow guide surface arranged opposite to the first shell wall, the flow guide surface and the first shell wall enclose to form a heat dissipation air duct, and the loudspeaker box is provided with an avoidance groove; the optical machine is arranged on the mounting seat and comprises an optical machine main body, and an optical machine lens and an optical machine radiator which are respectively connected with the optical machine main body, wherein the optical machine main body and the optical machine radiator are positioned in the heat dissipation air duct, and the optical machine lens penetrates through the heat dissipation air duct and extends to the second shell wall from the avoiding groove; and the fan is arranged at the air inlet and/or the air outlet of the heat dissipation air duct. According to the technical scheme, the heat dissipation effect of the projector is improved, and meanwhile the compactness of the internal structure of the projector is improved.
Description
Technical Field
The invention relates to the technical field of projection equipment, in particular to a projector beneficial to heat dissipation.
Background
Along with the improvement of living standard of people, people use the projector more and more. The projector usually has a heat dissipation air duct to supply the air current to get into and flow out of the projector, in order to dispel the heat to the internal component of projector, current projector, because too simple in the aspect of the design of heat dissipation air duct, lead to the radiating effect of projector not good to be unfavorable for the compactness of projector internal structure.
Disclosure of Invention
The invention mainly aims to provide a projector beneficial to heat dissipation, and aims to improve the heat dissipation effect of the projector and improve the compactness of the internal structure of the projector.
In order to achieve the above object, the present invention provides a projector facilitating heat dissipation, comprising:
the shell comprises a first shell wall and a second shell wall which are arranged oppositely, and a mounting seat is installed in the shell;
the sound box is arranged on the mounting seat, the whole sound box is in a long strip shape and is arranged in parallel with the first shell wall, the sound box is provided with a flow guide surface arranged opposite to the first shell wall, the flow guide surface and the first shell wall enclose to form a heat dissipation air duct, and the sound box is provided with an avoidance groove;
the optical machine is arranged on the mounting seat and comprises an optical machine main body, and an optical machine lens and an optical machine radiator which are respectively connected with the optical machine main body, wherein the optical machine main body and the optical machine radiator are positioned in the heat dissipation air duct, and the optical machine lens penetrates through the heat dissipation air duct and is arranged in the avoidance groove to extend to the second shell wall;
and the fan is arranged at the air inlet and/or the air outlet of the heat dissipation air channel.
Optionally, the first casing wall extends along a straight line, and the diversion surface is arranged in a plane as a whole, so that the heat dissipation air duct formed by the diversion surface and the first casing wall is a straight air duct as a whole.
Optionally, be equipped with first mounting groove and second mounting groove on the mount pad, first mounting groove and second mounting groove are located respectively air intake and air outlet, the fan includes air inlet fan and air outlet fan, air inlet fan install in first mounting groove, air outlet fan install in the second mounting groove, the mount pad is close to and is equipped with water conservancy diversion portion on the second mounting groove, water conservancy diversion position in one side of second mounting groove towards first mounting groove, the surface of water conservancy diversion portion sets to the cambered surface to the leading-in air outlet fan of the air current between first mounting groove and the second mounting groove.
Optionally, be equipped with the installing support on the mount pad, the ray apparatus main part install in on the installing support, the installing support at least part is located in the heat dissipation wind channel, be located installing support in the heat dissipation wind channel is followed the width direction in heat dissipation wind channel extends, and sets up and be the fretwork form to the air feed stream passes the installing support.
Optionally, the optical machine main body includes an image processing portion and a lamp source portion, the lamp source portion is located below the image processing portion, the optical machine radiator includes a first radiator and a second radiator, the first radiator is connected with the lamp source portion, the second radiator is connected with the image processing portion, and the first radiator is located below the second radiator.
Optionally, the first heat sink includes a plurality of fins, and a heat dissipation flow channel is provided between two adjacent fins, and the heat dissipation flow channel extends along the extending direction of the heat dissipation air duct;
the number of the first radiators is multiple, two adjacent radiating flow channels on different first radiators form a radiating channel, and the radiating channel extends along a straight line.
Optionally, still install circuit board assembly on the mount pad, circuit board assembly is located the top of first radiator, circuit board assembly is formed with dodges the space, the second radiator is located dodge in the space, circuit board assembly includes circuit board support and circuit board, circuit board and circuit board support enclose to close and are formed with accommodation space, accommodation space with dodge the space intercommunication, install the mainboard radiator in the accommodation space, the mainboard radiator is located in the heat dissipation wind channel.
Optionally, the circuit board support includes the bottom plate and sets up support frame on the bottom plate, the circuit board install in the top of support frame, circuit board, support frame with the bottom plate encloses to close and forms accommodation space, the support frame part at least is located in the heat dissipation wind channel, be located support frame in the heat dissipation wind channel is followed the width direction in heat dissipation wind channel extends, and sets up and be the fretwork form to the air feed stream passes the support frame.
Optionally, the second heat sink at least partially protrudes from the motherboard heat sink in the height direction of the housing, and the motherboard heat sink at least partially protrudes from the second heat sink in the width direction of the housing.
Optionally, the fan includes air inlet fan and air outlet fan, air inlet fan locates air inlet department, air outlet fan locates air outlet department in the direction of height of shell, air inlet fan's height is higher than air outlet fan's height, air inlet fan's top is located the height of shell, with the top of second radiator is located the height of shell is equivalent, air outlet fan's bottom is located the height of shell, with the bottom of first radiator is located the height of shell is equivalent.
In the technical scheme of the invention, the sound box is in a strip shape integrally and is arranged in parallel with the first shell wall of the shell, the heat dissipation air duct is formed by enclosing the sound box and the first shell wall, compared with other forming modes, the heat dissipation air duct is more limited in space, the sealing performance of the heat dissipation air duct is improved, the air flow is prevented from being dispersed, the loss of the air flow is reduced, the air flow can be gathered in the heat dissipation air duct to play a role in heat dissipation, the optical machine radiator positioned in the heat dissipation air duct is more effectively cooled, the heat dissipation effect of the projector is integrally improved, meanwhile, the sound box is provided with the avoidance groove, the optical machine main body and the optical machine radiator of the optical machine can be positioned in the heat dissipation air duct, and simultaneously, the lens of the optical machine can penetrate through the heat dissipation air duct and extend to the second shell wall of the shell, so that the light emitted by the optical machine lens can be emitted out of the projector, when not influencing the normal work of ray apparatus, carry out reasonable overall arrangement installation with the different parts of ray apparatus respectively with heat dissipation wind channel and audio amplifier, improved the inside space utilization of projector to improve the compactedness of projector inner structure, be favorable to the miniaturization of projector, improve user and use experience.
Drawings
In order to more clearly illustrate the embodiments or technical solutions of the present invention, the drawings used in the embodiments or technical solutions of the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic diagram of a projector with heat dissipation benefits according to an embodiment of the present invention;
FIG. 2 is a schematic view of a perspective view of a heat-dissipating projector according to the present invention;
FIG. 3 is a schematic view of another perspective of the projector with heat dissipation benefits of the present invention;
FIG. 4 is a schematic diagram of an exploded view of a heat-dissipating projector according to the present invention;
FIG. 5 is a schematic structural diagram of a circuit board assembly of a projector for dissipating heat according to the present invention;
fig. 6 is a schematic structural diagram of an optical engine in a projector for facilitating heat dissipation according to the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | |
101 | |
| 102 | Heat |
103 | |
| 104 | Air outlet | 110 | A |
| 120 | The |
121 | |
| 130 | |
131 | |
| 141 | |
142 | |
| 200 | |
210 | |
| 220 | Dodging |
300 | |
| 310 | Optical machine |
311 | |
| 312 | |
320 | Optical- |
| 330 | |
331 | |
| 332 | |
333 | |
| 334 | Heat |
335 | |
| 400 | Fan with |
410 | |
| 420 | |
500 | |
| 501 | |
502 | |
| 510 | |
511 | |
| 512 | Supporting |
520 | |
| 521 | Mainboard radiator |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are 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 at least one such feature. In addition, "and/or" in the whole text includes three schemes, taking a and/or B as an example, including a technical scheme, and a technical scheme that a and B meet simultaneously; in addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The specific structure of the projector that facilitates heat dissipation will be mainly described below.
Referring to fig. 1 to 6, in an embodiment of the present invention, the projector facilitating heat dissipation includes:
a housing 100, wherein the housing 100 comprises a first wall 110 and a second wall 120 which are oppositely arranged, and a mounting seat 130 is arranged in the housing 100;
the sound box 200 is mounted on the mounting base 130, the whole sound box 200 is in a long strip shape and is arranged in parallel with the first casing wall 110, the sound box 200 has a flow guide surface 210 arranged opposite to the first casing wall 110, the flow guide surface 210 and the first casing wall 110 enclose to form a heat dissipation air duct 102, and the sound box 200 has an avoiding groove 220;
the optical-mechanical device 300, the optical-mechanical device 300 is mounted on the mounting base 130, the optical-mechanical device 300 includes an optical-mechanical device main body 310, and an optical-mechanical device lens 320 and an optical-mechanical device heat sink 330 respectively connected to the optical-mechanical device main body 310, the optical-mechanical device main body 310 and the optical-mechanical device heat sink 330 are located in the heat dissipation air duct 102, and the optical-mechanical device lens 320 extends from the heat dissipation air duct 102 to the second casing wall 120 through the avoidance groove 220;
the fan 400 is disposed at the air inlet 103 and/or the air outlet 104 of the heat dissipation air duct 102.
Specifically, in the present embodiment, the casing 100 is a housing having an external appearance, the first casing wall 110 and the second casing wall 120 are components of the casing 100, and the mounting seat 130 installed inside the casing 100 can be used to mount electronic components, such as the sound box 200, the optical device 300, the fan 400, the circuit board 520, and the like.
Regarding the sound box 200, the flow guide surface 210 of the sound box 200 and the first casing wall 110 enclose to form the heat dissipation air duct 102, in a specific application, the two ends of the casing 100 corresponding to the heat dissipation air duct 102 are provided with the ventilation holes 101, so that the air flow outside the projector can enter the heat dissipation air duct 102 through the ventilation holes 101, and the hot air flow in the heat dissipation air duct 102 can also flow out of the projector through the ventilation holes 101, so that the air flow can bring the heat generated by the electronic components in the heat dissipation air duct 102 to the outside of the projector, so as to dissipate the heat of the electronic components of the projector. In this embodiment, the optical machine main body 310 and the optical machine radiator 330 in the optical machine 300 are located in the heat dissipation air duct 102, and the fan 400 is disposed at the air inlet 103 and/or the air outlet 104 of the heat dissipation air duct 102, when the optical machine 300 is in operation, heat generated by heat generation of the optical machine main body 310 is transferred to the optical machine radiator 330, and the fan 400 accelerates air circulation of the heat dissipation air duct 102, so that air rapidly transfers heat with the optical machine radiator 330 to dissipate heat to the optical machine radiator 330 in an express manner, for matching with installation requirements, the sound box 200 has the avoiding groove 220, the optical machine lens 320 in the optical machine 300 can penetrate through the avoiding groove 220 from the heat dissipation air duct 102 and extend to the second housing wall 120, and when the optical machine is specifically applied, the second housing wall 120 is provided with the light-emitting channel 121, so that light emitted by the optical machine 300 can be emitted out of the projector through the second housing wall 120.
In the embodiment of the present invention, the sound box 200 is in an overall strip shape and is disposed in parallel with the first casing wall 110 of the housing 100, and the heat dissipation duct 102 is formed by enclosing the sound box 200 and the first casing wall 110, so that the heat dissipation duct 102 is more limited in space compared with other forming methods, the sealing performance of the heat dissipation duct 102 is improved, and the air flow is prevented from being dispersed, so as to reduce the loss of the air flow, so that the air flow can be collected in the heat dissipation duct 102 to perform a heat dissipation function, so as to more effectively dissipate the heat of the optical engine radiator 330 located in the heat dissipation duct 102, thereby integrally improving the heat dissipation effect of the projector, and meanwhile, the sound box 200 has the avoiding groove 220, so that the optical engine main body 310 and the optical engine radiator 330 of the optical engine 300 are located in the heat dissipation duct 102, and the optical engine lens 320 of the optical engine 300 can pass through the avoiding groove 220 from the heat dissipation duct 102 and extend to the second casing wall 120 of the housing 100, so that the light that optical engine lens 320 launched jets out outside the projector, so, when not influencing the normal work of optical engine 300, carry out reasonable overall arrangement installation with the different parts of optical engine 300 respectively with heat dissipation wind channel 102 and audio amplifier 200, improved the inside space utilization of projector to improve the compactness of projector inner structure, be favorable to the miniaturization of projector, improve user and use and experience.
In some embodiments, to further improve the heat dissipation effect of the projector, the first casing wall 110 extends along a straight line, and the flow guiding surface 210 is disposed in a plane, so that the heat dissipation air duct 102 enclosed by the flow guiding surface 210 and the first casing wall 110 is a straight air duct. In this embodiment, the whole heat dissipation air duct 102 is a linear air duct, and is a curved or other special-shaped air duct, which is beneficial to shortening the length of the heat dissipation air duct 102, so that the air flow can quickly flow out of the outer shell 100 through the heat dissipation air duct 102, and the hot air flow can quickly flow out of the projector, thereby improving the heat dissipation speed of the projector, and improving the heat dissipation effect of the projector.
In some embodiments, in order to increase the flow speed of the air flow in the heat dissipation air duct 102, the mounting seat 130 is provided with a first mounting groove 141 and a second mounting groove 142, the first mounting groove 141 and the second mounting groove 142 are respectively disposed at the air inlet 103 and the air outlet 104, the fan 400 includes an air inlet fan 410 and an air outlet fan 420, the air inlet fan 410 is mounted at the first mounting groove 141, the air outlet fan 420 is mounted at the second mounting groove 142, the mounting seat 130 is provided with a flow guiding portion near the second mounting groove 142, the flow guiding portion is located at a side of the second mounting groove 142 facing the first mounting groove 141, and a surface of the flow guiding portion is provided with an arc surface to guide the air flow between the first mounting groove 141 and the second mounting groove 142 into the air outlet fan 420. Specifically, the air inlet fan 410 can suck the air flow outside the projector housing 100 into the heat dissipation air duct 102, and the air outlet fan 420 can blow the air flow inside the heat dissipation air duct 102 out of the projector housing 100, when the projector housing is in operation, the air inlet fan 410 sucks the air flow outside the heat dissipation air duct 102 at the air inlet 103, the air flow flows towards the air outlet 104 under the action of air pressure, contacts with the optical engine radiator 330 located inside the heat dissipation air duct 102 in the flowing process, absorbs the heat transferred by the optical engine radiator 330, and then flows out of the projector housing 100 from the air outlet 104 under the action of the air outlet fan 420, so that the heat dissipation effect on the optical engine radiator 330 is realized; in addition, it can be understood that, it is difficult to avoid forming a recess between the first mounting groove 141 and the second mounting groove 142, after the air flow enters through the air inlet fan 410 on the first mounting groove 141, a part of the air flow is easy to be retained in the recess, and the air flow is difficult to smoothly flow to the air outlet fan 420 on the second mounting groove 142, so that the air flow is difficult to smoothly blow out of the projector housing 100 through the air outlet fan 420, and by setting the flow guide portion of the arc surface, a chamfer is not formed, a guiding effect can be obtained for the air flow, which is beneficial to smooth flow of the air flow, specifically, the flow guide portion can extend from the mounting seat 130 to the slot of the second mounting groove 142, so that the flow guide portion can guide the air flow to the air outlet fan 420, so as to accelerate the flow speed of the air flow, and improve the heat dissipation effect of the projector.
In some embodiments, the mounting seat 130 is provided with a mounting bracket 131, the optical mechanical body 310 is mounted on the mounting bracket 131, the mounting bracket 131 is at least partially located in the heat dissipation air duct 102, and the mounting bracket 131 located in the heat dissipation air duct 102 extends along the width direction of the heat dissipation air duct 102 and is hollow so that air flows through the mounting bracket 131. In this embodiment, the mounting bracket 131 is partially located in the heat dissipation air duct 102, and for locating the mounting bracket 131 at other positions, it is more favorable to ensure that the optical engine main body 310 and the optical engine heat sink 330 in the optical engine 300 are located in the air duct, so as to dissipate heat of the optical engine 300, and the mounting bracket 131 is hollow, so that the air flow can pass through the mounting bracket 131, and the flow of the air flow is not hindered.
In some embodiments, the optical engine main body 310 includes an image processing portion 311 and a light source portion 312, the light source portion 312 is located below the image processing portion 311, the optical engine heat sink 330 includes a first heat sink 331 and a second heat sink 332, the first heat sink 331 is connected to the light source portion 312, the second heat sink 332 is connected to the image processing portion 311, and the first heat sink 331 is located below the second heat sink 332. Specifically, the light source portion 312 is a portion of the optical engine 300 providing a light source, and includes a lamp and the like, the image processing portion 311 is a portion of the optical engine 300 performing image processing, and includes a chip and the like, and since the light source portion 312 and the image processing portion 311 both generate relatively large heat when operating, the first heat sink 331 and the second heat sink 332 are respectively connected thereto, in this embodiment, the light source portion 312 is located below the image processing portion 311, and the first heat sink 331 is located below the second heat sink 332, so that on one hand, the first heat sink 331 and the second heat sink 332 are respectively connected to the light source portion 312 and the image processing portion 311, and the connection stability is improved, on the other hand, the first heat sink 331 and the second heat sink 332 are located at different heights in the heat dissipation air duct 102, so that the first heat sink 331 and the second heat sink 332 respectively perform heat transfer with air flows at different heights in the heat dissipation air duct 102, so as to fully utilize the heat dissipation function of the air flows, the effect of quick heat dissipation is achieved. In addition, due to the arrangement, the compactness of the structure of the optical machine 300 is improved, so that the compactness of the internal structure of the projector is improved, the miniaturization of the projector is facilitated, and the carrying and the use of a user are facilitated.
Specifically, the first heat sink 331 includes a plurality of fins 333, a heat dissipation flow channel 334 is provided between two adjacent fins 333, and the heat dissipation flow channel 334 extends along the extending direction of the heat dissipation air duct 102; the number of the first heat sinks 331 is plural, two adjacent heat dissipation flow channels 334 on different first heat sinks 331 form a heat dissipation channel 335, and the heat dissipation channel 335 extends along a straight line. Specifically, the direction of the heat dissipation channel 335 is the same as that of the heat dissipation air duct 102, so that the order of arrangement of the heat dissipation fins 333 is improved, the extending direction of the heat dissipation flow channel 334 formed between the heat dissipation fins 333 meets the flowing direction of the airflow, and when the airflow in the heat dissipation air duct 102 flows through the first heat sink 331, the resistance of the heat dissipation fins 333 to the airflow flowing is reduced to the maximum extent, so that the airflow can smoothly pass through the heat dissipation flow channel 334 to smoothly dissipate heat from the first heat sink 331, and the heat dissipation effect is improved.
In some embodiments, a circuit board assembly 500 is further mounted on the mounting base 130, the circuit board assembly 500 is located above the first heat sink 331, an avoiding space 501 is formed in the circuit board assembly 500, the second heat sink 332 is located in the avoiding space 501, the circuit board assembly 500 includes a circuit board support 510 and a circuit board 520, an accommodating space 502 is formed by the circuit board 520 and the circuit board support 510 in an enclosing manner, the accommodating space 502 is communicated with the avoiding space 501, a main board heat sink 521 is mounted in the accommodating space 502, and the main board heat sink 521 is located in the heat dissipation air duct 102. In this embodiment, the motherboard radiator 521 is used to radiate the circuit board 520, and the motherboard radiator 521 is located in the radiating air duct 102, which is beneficial to improving the radiating effect of the motherboard radiator 521, so as to improve the radiating effect of the projector as a whole.
Regarding the avoiding space 501, there are various forming manners, for example, the whole circuit board assembly 500 is L-shaped, an avoiding vacancy is formed at the L-shaped opening of the circuit board assembly 500, specifically, the whole shape of the circuit board assembly 500 is L-shaped with a certain thickness, the L-shaped opening of the circuit board assembly 500, that is, the space formed at the opening of the circuit board assembly 500, which is open to the outside, forms the avoiding space 501, the second heat sink 332 is located in the avoiding space 501, the space utilization rate inside the projector is improved, the structure between the optical engine 300 and the circuit board assembly 500 is compact, the compactness of the internal structure of the projector is improved, the avoiding space 501 is communicated with the accommodating space 502, and when the air flow flows, the air flow can pass through the second heat sink 332 in the avoiding space 501 and also can pass through the main board heat sink 521 in the accommodating space 502.
Regarding the accommodating space 502, there are various forming manners, in some embodiments, the circuit board support 510 includes a bottom plate 511 and a support frame 512 disposed on the bottom plate 511, the circuit board 520 is mounted on the top of the support frame 512, the circuit board 520, the support frame 512 and the bottom plate 511 enclose to form the accommodating space 502, the support frame 512 is at least partially located in the heat dissipation air duct 102, and the support frame 512 located in the heat dissipation air duct 102 extends along the width direction of the heat dissipation air duct 102 and is disposed in a hollow shape so as to allow air to pass through the support frame 512. Similarly, the support frame 512 is hollow to allow the airflow to pass through the mounting bracket 131 without obstructing the airflow.
In some embodiments, to improve the heat dissipation effect of the second heat sink 332 and the main board heat sink 521 simultaneously, the second heat sink 332 at least partially protrudes from the main board heat sink 521 in the height direction of the enclosure 100, and the main board heat sink 521 at least partially protrudes from the second heat sink 332 in the width direction of the enclosure 100. Therefore, the second radiator 332 and the main board radiator 521 can radiate heat by utilizing airflows with different heights and widths respectively, the airflows in the radiating air duct 102 are fully utilized, and the radiating effect is improved.
In some embodiments, to further improve the heat dissipation effect of the projector, the fan 400 includes an air inlet fan 410 and an air outlet fan 420, the air inlet fan 410 is disposed at the air inlet 103, the air outlet fan 420 is disposed at the air outlet 104, in the height direction of the housing 100, the height of the air inlet fan 410 is higher than that of the air outlet fan 420, the top of the air inlet fan 410 is located at the height of the housing 100, which is equivalent to the height of the second heat sink 332 at the height of the housing 100, and the bottom of the air outlet fan 420 is located at the height of the housing 100, which is equivalent to the height of the first heat sink 331 at the height of the housing 100. Specifically, the air inlet fan 410 can suck the air flow outside the projector housing 100 into the heat dissipation air duct 102, and the air outlet fan 420 can blow the air flow inside the heat dissipation air duct 102 out of the projector housing 100, in this embodiment, the air inlet fan 410 and the air outlet fan 420 are respectively arranged at the air inlet 103 and the air outlet 104 of the heat dissipation air duct 102, which is beneficial to accelerating the circulation of the air flow, so that the air flow can more quickly take away the heat of each radiator inside the heat dissipation air duct 102, thereby improving the heat dissipation effect of the projector, and the heights of the air inlet fan 410 and the air outlet fan 420 are set up in this way, so that the air inlet fan 410 and the air outlet fan 420 can respectively take into consideration the radiators at different heights, which is beneficial to the air flow passing through more radiators, thereby being beneficial to improving the heat dissipation effect of the projector as a whole.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. A projector facilitating heat dissipation, comprising:
the shell comprises a first shell wall and a second shell wall which are arranged oppositely, and a mounting seat is installed in the shell;
the loudspeaker box is arranged on the mounting seat, the whole loudspeaker box is in a long strip shape and is arranged in parallel with the first shell wall, the loudspeaker box is provided with a flow guide surface which is arranged opposite to the first shell wall, the flow guide surface and the first shell wall enclose to form a heat dissipation air duct, and the loudspeaker box is provided with an avoiding groove;
the optical machine is arranged on the mounting seat and comprises an optical machine main body, and an optical machine lens and an optical machine radiator which are respectively connected with the optical machine main body, wherein the optical machine main body and the optical machine radiator are positioned in the heat dissipation air duct, and the optical machine lens penetrates through the heat dissipation air duct and extends to the second shell wall from the avoiding groove;
the optical machine main body comprises an image processing part and a lamp source part, the lamp source part is positioned below the image processing part, the optical machine radiator comprises a first radiator and a second radiator, the first radiator is connected with the lamp source part, the second radiator is connected with the image processing part, and the first radiator is positioned below the second radiator;
the mounting seat is further provided with a circuit board assembly, the circuit board assembly is located above the first radiator, an avoidance space is formed in the circuit board assembly, the second radiator is located in the avoidance space, the circuit board assembly comprises a circuit board support and a circuit board, an accommodating space is formed by the circuit board and the circuit board support in an enclosing mode, the accommodating space is communicated with the avoidance space, a main board radiator is installed in the accommodating space, and the main board radiator is located in the radiating air duct; the second radiator at least partially protrudes out of the mainboard radiator in the height direction of the shell, and the mainboard radiator at least partially protrudes out of the second radiator in the width direction of the shell;
and the fan is arranged at the air inlet and/or the air outlet of the heat dissipation air channel.
2. The heat-dissipating projector as claimed in claim 1, wherein the first wall extends along a straight line, and the flow-guiding surface is disposed in a plane so that the flow-guiding surface and the first wall form a straight duct.
3. The projector as claimed in claim 1, wherein the mounting seat has a first mounting groove and a second mounting groove, the first mounting groove and the second mounting groove are respectively disposed at the air inlet and the air outlet, the fan includes an inlet fan and an outlet fan, the inlet fan is mounted in the first mounting groove, the outlet fan is mounted in the second mounting groove, the mounting seat is disposed near the second mounting groove and has a diversion portion, the diversion portion is disposed on a side of the second mounting groove facing the first mounting groove, and a surface of the diversion portion is configured as an arc surface to guide the air flow between the first mounting groove and the second mounting groove into the outlet fan.
4. The projector according to claim 1, wherein a mounting bracket is disposed on the mounting base, the main body is mounted on the mounting bracket, the mounting bracket is at least partially disposed in the heat dissipation air duct, the mounting bracket disposed in the heat dissipation air duct extends along a width direction of the heat dissipation air duct, and is hollow so that air flows through the mounting bracket.
5. The projector as claimed in claim 1, wherein the first heat sink includes a plurality of heat dissipation fins, and a heat dissipation flow channel is disposed between two adjacent heat dissipation fins, and the heat dissipation flow channel extends along an extending direction of the heat dissipation air duct;
the number of the first radiators is multiple, two adjacent radiating flow channels on different first radiators form a radiating channel, and the radiating channel extends along a straight line.
6. The projector as claimed in claim 1, wherein the circuit board support includes a bottom plate and a support frame disposed on the bottom plate, the circuit board is mounted on the top of the support frame, the circuit board, the support frame and the bottom plate enclose the accommodation space, the support frame is at least partially disposed in the heat dissipation air duct, the support frame disposed in the heat dissipation air duct extends along a width direction of the heat dissipation air duct, and is disposed in a hollow shape so as to allow air to flow through the support frame.
7. The projector as claimed in claim 1, wherein the fan includes an inlet fan and an outlet fan, the inlet fan is disposed at the inlet, the outlet fan is disposed at the outlet, and the inlet fan is higher than the outlet fan in the height direction of the housing, the top of the inlet fan is located at the height of the housing, which is equal to the top of the second heat sink, and the bottom of the outlet fan is located at the height of the housing, which is equal to the bottom of the first heat sink.
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| CN202110540953.7A CN113296338B (en) | 2021-05-18 | 2021-05-18 | Projector beneficial to heat dissipation |
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| CN202110540953.7A CN113296338B (en) | 2021-05-18 | 2021-05-18 | Projector beneficial to heat dissipation |
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| CN113296338B true CN113296338B (en) | 2022-08-30 |
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| CN114019754A (en) * | 2021-10-29 | 2022-02-08 | 峰米(重庆)创新科技有限公司 | Projection equipment |
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| CN215576080U (en) * | 2021-05-18 | 2022-01-18 | 当趣网络科技(杭州)有限公司 | Projector beneficial to heat dissipation |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US7654675B2 (en) * | 2006-03-09 | 2010-02-02 | Compal Communications, Inc. | Light assembly for an image projector |
| CN208126090U (en) * | 2018-04-03 | 2018-11-20 | 深圳市光谷基业科技有限公司 | A kind of projection light machine inner radiation device |
| CN208188562U (en) * | 2018-04-28 | 2018-12-04 | 深圳暴风统帅科技有限公司 | A kind of projection device and its cooling system |
| CN210294790U (en) * | 2019-09-18 | 2020-04-10 | 深圳市优尼影科技有限公司 | Projector with good heat dissipation effect |
| CN210323735U (en) * | 2019-09-19 | 2020-04-14 | 深圳市惠影科技有限公司 | Miniature projector and projection system |
| CN211506150U (en) * | 2020-03-27 | 2020-09-15 | 屏丽科技成都有限责任公司 | Compact layout liquid crystal projector optical machine |
| CN112285992B (en) * | 2020-10-12 | 2022-04-01 | 深圳市当智科技有限公司 | Projector heat dissipation control method and device, projector and readable storage medium |
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| CN215576080U (en) * | 2021-05-18 | 2022-01-18 | 当趣网络科技(杭州)有限公司 | Projector beneficial to heat dissipation |
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