CN113687567B - Miniature projector - Google Patents
Miniature projector Download PDFInfo
- Publication number
- CN113687567B CN113687567B CN202111130273.4A CN202111130273A CN113687567B CN 113687567 B CN113687567 B CN 113687567B CN 202111130273 A CN202111130273 A CN 202111130273A CN 113687567 B CN113687567 B CN 113687567B
- Authority
- CN
- China
- Prior art keywords
- fan
- heat
- radiator
- heat dissipation
- front side
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000017525 heat dissipation Effects 0.000 claims abstract description 48
- 230000003287 optical effect Effects 0.000 claims description 68
- 239000000758 substrate Substances 0.000 claims description 14
- 238000003825 pressing Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 10
- 238000001816 cooling Methods 0.000 description 16
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000005034 decoration Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
Abstract
The embodiment of the invention relates to a miniature projector, which comprises a shell, a light machine, a heat dissipation device, a fan and a projection lens, wherein the light machine is arranged in the shell, the light machine is provided with a front side surface and a rear side surface opposite to the front side surface, the projection lens is connected to the front side surface of the light machine, the heat dissipation device is arranged on the front side surface of the light machine and is positioned at the lower side of the projection lens, the heat dissipation device comprises a radiator, a space is reserved between the radiator and the front side surface of the light machine, the fan is arranged between the light machine and the radiator, an air inlet of the fan faces the light machine, and an air outlet of the fan faces the radiator. The invention has compact structure, high space utilization rate and good heat dissipation effect.
Description
Technical Field
The present invention relates to the field of projectors, and in particular, to a miniature projector.
Background
A projector is a device capable of projecting video, images, or text onto a screen for display, and is widely used in homes, offices, schools, movie theatres, and the like.
Since the internal construction of the projector is complicated and many components are sensitive to temperature, heat dissipation problems need to be considered. With the development of technology, consumers put higher demands on the small size and portability of the projector. The smaller the projector size, the higher the heat dissipation requirements. Therefore, how to reduce the volume and effectively dissipate the heat is a technical problem that needs to be solved by the present micro-projector.
Disclosure of Invention
The invention aims to solve the technical problem of providing a miniature projector which has compact structure, small volume and good heat dissipation effect.
The technical scheme of the invention for solving the technical problems is that the miniature projector comprises
A shell, and a light machine, a heat radiating device, a fan and a projection lens which are arranged in the shell;
the optical machine is provided with a front side surface and a rear side surface opposite to the front side surface, and the projection lens is connected to the front side surface of the optical machine;
the heat dissipation device is arranged on the front side surface of the optical machine and is positioned on the lower side of the projection lens, and comprises a radiator, and a space is reserved between the radiator and the front side surface of the optical machine;
the fan is arranged between the optical machine and the radiator, the air inlet of the fan faces the optical machine, and the air outlet of the fan faces the radiator.
The miniature projector has the beneficial effects that the projection lens is connected to the front side surface of the optical machine, the heat radiating device and the fan are arranged on the lower side of the projection lens, the inner space of the shell is reasonably utilized, the structure is compact, the utilization rate of the inner space of the shell is effectively improved, the size of the projector is reduced, the fan is arranged between the radiator and the optical machine, in the working process of the miniature projector, the fan enables cooling air to enter the fan air inlet after passing through the optical machine, flows to the radiator from the fan air outlet, heat generated by the optical machine can be taken away in time, and the heat radiating effect is good.
On the basis of the technical scheme, the invention can be improved as follows.
Further, the heat dissipating device further comprises a heat conducting substrate and at least two heat conducting pipes, one side surface of the heat conducting substrate is tightly attached to the optical machine, the heat conducting substrate is connected with the radiator through the heat conducting pipes, and the fan is located between the heat conducting substrate and the radiator.
The heat conducting base plate is tightly attached to the optical machine, heat generated in the working process of the optical machine is transferred to the radiator through the heat conducting base plate and the heat conducting pipe, the air outlet of the fan takes away the heat of the radiator towards the radiator, and therefore cooling is achieved, the heat conducting pipe and the heat conducting base plate are compact in structure, and the heat radiating effect is good.
Further, be provided with the mounting panel on the bottom side of ray apparatus, the mounting panel deviates from one side of ray apparatus is provided with the mainboard, the mounting panel with have the interval in order to form the air current passageway between the mainboard.
The main board is used for integrally and intensively controlling the cooling device, a gap is formed between the mounting board and the main board, cooling air can conveniently cool the main board when passing through the gap between the mounting board and the main board, and heat dissipation efficiency of the main board is improved.
Further, a support frame is arranged on the front side surface of the optical machine, the support frame is provided with a heat dissipation flow channel penetrating through the front side and the rear side, the heat dissipation flow channel is communicated with the air flow channel, the radiator and the fan are arranged in the heat dissipation flow channel, and a buffer sleeve is arranged between the fan and the support frame.
The buffer sleeve is used for reducing vibration of the fan during working, so that shaking of a projection picture is reduced, and meanwhile, the buffer sleeve can protect the fan and prevent the fan from being damaged to influence the cooling effect of the fan.
Further, the support frame includes first support and second support, first support with the second support is connected to form the heat dissipation runner, first support with the second support inboard all is provided with and is used for the block the draw-in groove of buffer sleeve.
The buffer sleeve has the advantages that the buffer sleeve is directly buckled or spliced by the first support and the second support, the buffer sleeve is simple and visual in whole and convenient to install and detach, and the clamping groove is used for clamping and installing the buffer sleeve to prevent the buffer sleeve from shifting.
Further, an image pickup device is mounted on the radiator at the side opposite to the fan, and a through hole corresponding to the image pickup device is formed in the shell.
The beneficial effect of adopting above-mentioned further scheme is that camera device passes through the through-hole perception projection picture definition on the preceding shell, after transmitting the mainboard with detection signal, does benefit to mainboard automatic control focusing.
Further, the position of the image pickup device on the radiator corresponds to the axial center portion of the fan, and the size of the image pickup device is not larger than the size of the axial center portion of the fan.
The adoption of the further scheme has the beneficial effects that the camera device corresponds to the axial center part of the fan, the size of the camera device is not larger than that of the axial center part of the fan, the axial center part is ensured to isolate the arrangement component from hot air flow, the heat generated by heat dissipation of the fan can not raise the temperature of the camera device, the heat dissipation air flow can not be blocked, and the heat dissipation efficiency is ensured.
Further, the optical bench has a top side and an inclined surface connecting the top side and the rear side of the optical bench;
the miniature projector further comprises a sound box, the longitudinal section of the sound box is approximately triangular, the sound box is arranged on the inclined plane of the optical machine, and one surface of the sound box is opposite to the inclined plane of the optical machine.
The beneficial effect of adopting above-mentioned further scheme is that the inclined plane of audio amplifier corresponds with the inclined plane of ray apparatus, reduces the installation size on ray apparatus and inclined plane, further improves space utilization.
Further, a voice plate for receiving voice signals is arranged on the top side surface of the optical bench, a key board is arranged on the voice plate, and keys are arranged on the key board;
the shell is also provided with a key cover for pressing the keys.
The voice board is used for receiving voice signals and transmitting the voice signals to the main board for realizing voice control, and the key is mainly a start key for starting the equipment.
Further, the casing includes preceding shell and backshell, preceding shell includes front panel, left panel, right side panel, top panel and bottom surface board, be provided with on the front panel of preceding shell with the corresponding window of projection lens and with the corresponding air outlet of radiator, just the air outlet is located projection lens downside, be provided with the fresh air inlet on the backshell.
The front shell and the rear shell are buckled to form the shell, the whole shell is concise and attractive, the air inlet is used for sucking cooling air, the air outlet is used for blowing out hot air, and the projection lens is further protected by the window on the front panel of the front shell.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic diagram of an exploded view of an embodiment of the present invention;
FIG. 3 is an exploded view of a heat dissipating device according to an embodiment of the present invention;
FIG. 4 is a schematic view of an internal mounting structure according to an embodiment of the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
1. The device comprises a light machine, 2, a sound box, 3, a mounting plate, 4, a main board, 5, a radiator, 6, a fan, 7, a buffer sleeve, 8, a first support, 9, a second support, 10, a power device, 11, a window, 12, a lens decoration, 13, a front shell decoration, 14, a front shell, 15, a voice support, 16, a voice board, 17, a key board, 18, keys, 19, a key cover, 20, an image pickup device, 21, a foot pad, 22, a rear shell, 23, a shell, 24, a main board radiator, 25, a projection lens, 26, a focusing ring, 27, a gear, 28, a heat conducting base plate, 29 and a heat conducting pipe.
Detailed Description
The principles and features of the present invention are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
In the description of the present invention, it should be understood that the terms "center", "length", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "inner", "outer", "peripheral side", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the system or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, directly connected, indirectly connected through an intervening medium, or in communication between two elements or in an interaction relationship between two elements, unless otherwise explicitly specified. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
As shown in fig. 1,2,3 and 4, the present invention provides a miniature projector, which is a vertical miniature projector, and includes a housing 23, a light machine 1 installed in the housing 23, a heat dissipation device, a fan 6, and a projection lens 25, wherein the light machine 1 has a front side and a rear side opposite to the front side, the projection lens 25 is connected to the front side of the light machine 1, the heat dissipation device is disposed on the front side of the light machine 1 and is located below the projection lens 25, the heat dissipation device includes a heat sink 5, a space is provided between the heat sink 5 and the front side of the light machine 1, the fan 6 is disposed between the light machine 1 and the heat sink 5, an air inlet of the fan 6 faces the light machine 1, and an air outlet of the fan 6 faces the heat sink 5.
The projection lens 25 is connected to the front side surface of the optical engine 1, the heat radiating device and the fan 6 are arranged on the lower side of the projection lens 25, the inner space of the shell 23 is reasonably utilized, the structure is compact, the utilization rate of the inner space of the shell 23 is effectively improved, the size of the projector is reduced, the fan 6 is arranged between the radiator 5 and the optical engine 1, in the working process of the micro projector, the fan 6 enables cooling air to enter the fan air inlet after passing through the optical engine 1, and flows to the radiator from the fan air outlet, so that heat generated by the optical engine 1 can be taken away in time, and the heat radiating effect is good.
The light engine 1 has a front side and a rear side opposite the front side, each side being mainly used for mounting accessories and auxiliary devices. Optical elements such as a light source, a light modulator and the like are arranged in the inner cavity of the optical machine 1 so as to form a projection picture. The light source and the light modulator can generate heat in the working process, and the heat needs to be discharged in time so as to avoid influencing the performance. In one embodiment, the light source is an LED light source and the light modulator is an LCD screen.
The projection lens 25 is attached to the front side of the optical machine 1. The projection lens 25 projects a projection screen formed by the optical machine 1. In a specific embodiment, the projection lens 25 has an auto-focusing function, specifically, a port is provided on the front side of the optical bench 1, the projection lens 25 is connected with the port, a focusing ring 26 for adjusting the focal length is installed outside the projection lens 25, a rack is arranged on the periphery of the focusing ring 26, the optical bench 1 is installed with the power device 10, and in order to further improve the focusing precision, the power device 10 may use a high-precision motor, such as a stepper motor or a servo motor. The output end of the power device 10 is provided with a gear 27 meshed and matched with the rack, wherein the rotation of the power device 10 drives the focusing ring 26 to rotate, and the rotation of the focusing ring 26 drives the projection lens 25 to axially move so as to realize focusing of the projection lens 25.
As shown in fig. 2 and 3, the housing 23 includes a front shell 14 and a rear shell 22, the front shell 14 and the rear shell 22 are formed by integrally molding, the front shell 14 and the rear shell 22 can be connected by fastening connection, and in order to further improve the connection strength of the front shell 14 and the rear shell 22, a bolt lock can be added between the front shell 14 and the rear shell 22. The front shell 14 comprises a front panel, a left panel, a right panel, a top panel and a bottom panel, a window 11 corresponding to the projection lens 25 and an air outlet corresponding to the radiator 5 are arranged on the front panel of the front shell 14, the air outlet is positioned at the lower side of the projection lens 25, an air inlet is arranged on the rear shell 22, the window 11 is used for protecting and supporting the projection lens 25, damage to the projection lens 25 is prevented, a lens decoration 12 and a front shell decoration 13 are further arranged on the window 11, and the front shell decoration 13 can be attached by a bolt lock.
In order to enhance the friction force at the bottom of the shell 23, the bottom sides of the front shell 14 and the rear shell 22 are also provided with foot pads 21, and the foot pads 21 are generally adhered directly in grooves at the bottom of the shell 23 by double-sided adhesive tape.
As shown in fig. 2, 3 and 4, the heat dissipating device is disposed on the front side of the optical machine 1 and is located below the projection lens 25, and the heat dissipating device specifically includes a heat sink 5, where the heat sink 5 is made of metal with good heat conductivity, and in order to enhance the heat dissipating efficiency of the heat sink 5, the heat sink 5 may be processed to have a plurality of parallel heat dissipating fins, and a gap through which cooling air flows is formed between each of the heat dissipating fins, and when the cooling air flows between each of the heat dissipating fins, a contact area between the cooling air and the heat dissipating fins is large, thereby improving the heat dissipating efficiency.
In some embodiments, the radiator 5 includes a plurality of heat dissipation coils, gaps are formed between the heat dissipation coils, and the gaps between two adjacent heat dissipation coils are staggered, so that when cooling air passes through the gaps between the heat dissipation coils, a plurality of loops are formed, the contact area between the heat dissipation coils and the cooling air is increased, and the heat dissipation efficiency of the radiator 5 is further improved.
The heat dissipation device further comprises a heat conduction substrate 28 and at least two heat conduction pipes 29, one side surface of the heat conduction substrate 28 is clung to the optical machine 1, and heat conduction silicone grease can be coated between the heat conduction substrate 28 and the optical machine 1. The heat pipe 29 is substantially U-shaped, one end of the heat pipe 29 is connected to a side surface of the heat conducting substrate 28 facing away from the optical machine 1, the other end of the heat pipe 29 is inserted into the heat sink 5, and a space is provided between the heat sink 5 and a front side surface of the optical machine 1 by the heat pipe 29. In the operation process of the micro projector, the optical machine 1 transfers the generated heat to the heat conducting tube 29 through the heat conducting substrate 28, and the heat conducting tube 29 transfers the heat to the radiator 5.
As shown in fig. 2 and 3, the fan 6 is disposed between the optical engine 1 and the radiator 5, in a specific embodiment, the fan 6 is mounted at a space between the radiator 5 and the front side of the optical engine 1, and further, the fan 6 is located between the heat conducting substrate 28 and the radiator 5, and the fan 6 can be a turbo fan, so that the ventilation amount can be increased, and the heat dissipation effect can be improved. The air inlet of the fan 6 faces the optical machine 1, and the air outlet of the fan 6 faces the radiator 5.
A support frame is arranged on the front side of the optical machine 1 and is used for supporting the heat dissipation device and the fan 6. A positioning column is arranged on one side of the optical machine 1 opposite to the supporting frame, a positioning hole matched with the positioning column is arranged on the supporting frame, and the optical machine 1 and the supporting piece can be locked through bolts. The support frame is provided with a heat dissipation flow passage penetrating through the front side and the rear side, two ends of the heat dissipation flow passage face the optical machine 1 and the front shell 14 respectively, the heat dissipation flow passage is communicated with the air flow passage, and the radiator 5 and the fan 6 are arranged in the heat dissipation flow passage. A buffer sleeve 7 is arranged between the fan 6 and the supporting frame, and in order to strengthen the buffer effect, the buffer sleeve 7 can be made of elastic materials such as silica gel. The number of the buffer sleeves 7 can be two, and the two buffer sleeves 7 are respectively sleeved on the upper side and the lower side of the fan 7. In order to facilitate the installation of the radiator 5 and the fan 6, the support frame comprises a first support 8 and a second support 9, and the first support 8 and the second support 9 are connected together in a buckling or splicing mode to form a radiating runner, and screw bolts are added. The inner sides of the first bracket 8 and the second bracket 9 are respectively provided with a clamping groove used for clamping the buffer sleeve 7, and the clamping grooves are used for clamping and fixing the buffer sleeve 7 to prevent displacement.
An image pickup device 20 is mounted on the radiator 5 and on the opposite side of the fan 6, the image pickup device 20 is used for sensing definition of the projection picture, the position of the image pickup device 20 on the radiator 5 corresponds to the axial center part of the fan 6, and the size of the image pickup device 20 is not larger than the size of the axial center part of the fan 6. In this embodiment, the camera device 20 mainly includes a camera and a camera mounting plate, a groove for mounting the camera mounting plate is provided on the radiator 5 and the axial portion of the fan 6, the groove corresponds to the axial portion of the fan 6, and a motor for driving the fan blades to rotate is mounted on the axial portion of the fan 6, so that the camera device 20 corresponds to the axial portion of the fan 6, and the airflow is minimally blocked. The camera mounting plate is arranged in the groove, the camera is mounted on the camera mounting plate, and the camera mounting plate can be fixed in the groove in a bolt lock attaching or welding mode and the like. Preferably, the bottom of the groove is sealed, and hot air flows can not pass through the groove, so that the temperature rise of the camera is avoided, and the damage to the camera is avoided. And the size of the camera device 20 is not larger than the size of the shaft center part of the fan 6, so that the blocking of heat dissipation airflow is reduced, and higher heat dissipation efficiency is further ensured. The housing 23 is provided with a through hole corresponding to the imaging device 20, and the imaging device 20 captures a projection screen through the through hole. Specifically, the through-hole is located on the front case 14.
The bottom side of the optical machine 1 is provided with a mounting plate 3, one side of the mounting plate 3 away from the optical machine 1 is provided with a main plate 4, and an air flow channel is formed between the mounting plate 3 and the main plate 4 at intervals. In the heat dissipation process, cooling air passes through an air flow channel between the mounting plate 3 and the main board 4 to cool the main board 4. The main board 4 is used to control the projector as a whole. The main board 4 is provided with various signal input interfaces, and the various signal input interfaces mainly comprise earphone/sound box output, HDMI input, USB flash disk insertion, DC power supply and the like, so that the universality of the invention is further improved.
In order to further strengthen the heat dissipation of the optical engine 1, the rear side surface of the optical engine 1 is also provided with a second radiator, in order to further strengthen the heat dissipation of the main board 4, the main board 4 can be provided with a main board radiator 24, heat dissipation silicone grease is coated between the main board radiator 24 and the main board 4, and a space is reserved between the main board radiator 24 and the mounting plate 3 so that cooling wind can smoothly flow through.
In the specific heat dissipation process, the cooling air flows into the rear side surface of the optical engine 1 from the air inlet hole of the rear shell 22 under the action of the fan 6, cools the second radiator installed on the rear side surface of the optical engine 1, then flows through the air flow channel between the main board radiator 24 and the mounting plate 3, cools the main board 4 and the main board radiator 24, then enters the air inlet of the fan 6 under the action of the fan 6, flows to the radiator 5 from the air outlet, cools the radiator 5, and then is discharged from the air outlet on the front shell 14. Through the optimal design of the installation positions of the fan 6 and the radiator 5, cooling air passes through the set air duct, so that main parts in the invention are cooled by heat dissipation, the heat dissipation effect is good, the space utilization rate is high, and the structure is compact.
The light machine 1 is provided with a top side surface and an inclined surface for connecting the top side surface and the rear side surface of the light machine 1, the micro projector further comprises a sound box 2, the longitudinal section of the sound box 2 is approximately triangular, the sound box 2 is arranged on the inclined surface of the light machine 1, one surface of the sound box 2 is opposite to the inclined surface of the light machine 1, a sound outlet of the sound box 2 faces to the rear shell 22, and a sound outlet through hole is formed in the rear shell 22. It will be appreciated that the air inlet on the rear shell 22 can also be used as a sound outlet, so as to achieve the effects of air inlet and sound outlet. Preferably, the longitudinal section of the sound box 2 is approximately right triangle, the inclined plane of the sound box 2 is opposite to the inclined plane of the optical machine 1, one surface of the sound box 2 is parallel to the top side surface of the optical machine 1, and the other surface of the sound box 2 is provided with at least one loudspeaker sound outlet and faces the rear shell 22.
A surface of audio amplifier 2 is relative with the inclined plane of ray apparatus 1, in the embodiment, is provided with a plurality of reference columns or positioning card groove on the inclined plane of ray apparatus 1, and the reference column tip is provided with the screw thread, is provided with on the audio amplifier 2 with screw-thread fit's bolt, installs audio amplifier 2 on the inclined plane of ray apparatus 1 through screw thread and bolt, and the installation is firm, and audio amplifier 2 can not appear slipping or not hard up, and positioning card groove can be used to further carry out the block to audio amplifier 2 spacing.
The top side of the optical machine 1 is provided with a voice board 16 for receiving voice signals, and the top side of the optical machine 1 is connected with the voice board 16 through a voice bracket 15. The voice board 16 transmits the received voice signal to the main board 4, so that voice automatic control can be realized. The voice board 16 is provided with a key board 17, the key board 17 is arranged in the middle of the voice board 16, the key board 17 is provided with a key 18, the key 18 is generally an on-off key, the shell 23 is also provided with a key cover 19 for pressing the key 18, the key cover 19 is fastened and fixed with the shell 23, and the on-off of the miniature projector is realized by pressing the key 18.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111130273.4A CN113687567B (en) | 2021-09-26 | 2021-09-26 | Miniature projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111130273.4A CN113687567B (en) | 2021-09-26 | 2021-09-26 | Miniature projector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113687567A CN113687567A (en) | 2021-11-23 |
| CN113687567B true CN113687567B (en) | 2025-04-08 |
Family
ID=78587128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111130273.4A Active CN113687567B (en) | 2021-09-26 | 2021-09-26 | Miniature projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113687567B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114280878B (en) * | 2021-12-29 | 2024-01-26 | 峰米(重庆)创新科技有限公司 | Projector |
| CN117008401A (en) * | 2022-04-28 | 2023-11-07 | 北京一数科技有限公司 | Projection equipment and projection system |
| CN114967304B (en) * | 2022-05-17 | 2024-03-15 | 峰米(重庆)创新科技有限公司 | Projector with a light source for projecting light |
| CN118382835A (en) * | 2022-10-18 | 2024-07-23 | 京东方科技集团股份有限公司 | Projection device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN215867490U (en) * | 2021-09-26 | 2022-02-18 | 峰米(重庆)创新科技有限公司 | Miniature projector |
| CN215954053U (en) * | 2021-09-13 | 2022-03-04 | 当趣网络科技(杭州)有限公司 | Projector heat dissipation mechanism and projector |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202975577U (en) * | 2012-11-06 | 2013-06-05 | 福建网讯科技有限公司 | Radiation mechanism of projector |
| CN207249337U (en) * | 2017-09-06 | 2018-04-17 | 深圳市信方达科技发展股份有限公司 | Micro- projection arrangement |
| CN211979402U (en) * | 2020-06-12 | 2020-11-20 | 广州瑞格尔电子有限公司 | Vertical projector |
| CN212846320U (en) * | 2020-08-31 | 2021-03-30 | 毅丰显示科技（深圳）有限公司 | Maintenance-free projector |
| CN212905874U (en) * | 2020-09-01 | 2021-04-06 | 广州创一电子科技有限公司 | The air duct structure of the projector |
| CN113296338B (en) * | 2021-05-18 | 2022-08-30 | 当趣网络科技(杭州)有限公司 | Projector beneficial to heat dissipation |
-
2021
- 2021-09-26 CN CN202111130273.4A patent/CN113687567B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN215954053U (en) * | 2021-09-13 | 2022-03-04 | 当趣网络科技(杭州)有限公司 | Projector heat dissipation mechanism and projector |
| CN215867490U (en) * | 2021-09-26 | 2022-02-18 | 峰米(重庆)创新科技有限公司 | Miniature projector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113687567A (en) | 2021-11-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113687567B (en) | Miniature projector | |
| US10855870B2 (en) | Digital video camera | |
| CN114019754A (en) | Projection equipment | |
| TW403854B (en) | Projection type display device | |
| TWI243272B (en) | Optical device, optical unit and projector | |
| US7275833B2 (en) | Cooling system and projection-type image display apparatus using the same | |
| CN206674407U (en) | Cooling system and electronic equipment | |
| JP7076996B2 (en) | Electronics | |
| CN207216248U (en) | Projector | |
| US20100053896A1 (en) | Heat dissipation system and electronic device utilizing the same | |
| WO2020006877A1 (en) | Heat dissipating assembly and remote control | |
| JP2005134858A (en) | Optical device and rear projector | |
| US12464209B2 (en) | Image capturing apparatus capable of efficiently discharging heat from heat generating devices and reduced in size | |
| WO2022244494A1 (en) | Electronic instrument and imaging device | |
| WO2020006871A1 (en) | Heat dissipation assembly and remote controller | |
| CN214751283U (en) | LCD micro projector | |
| CN215867490U (en) | Miniature projector | |
| CN217767169U (en) | Projection equipment and projection system | |
| CN103399451B (en) | A kind of laser projection | |
| CN209297088U (en) | A kind of projector being easily installed | |
| JP2019204052A (en) | Electronic device | |
| CN208227179U (en) | A kind of radiator structure of multimedia television interaction all-in-one machine | |
| CN223598093U (en) | High-efficient radiating projecting apparatus | |
| CN113917771B (en) | Projector | |
| CN220872866U (en) | Projection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |