CN218068553U - Single-chip LCD projection optical machine and projector - Google Patents
Single-chip LCD projection optical machine and projector Download PDFInfo
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- CN218068553U CN218068553U CN202222160831.8U CN202222160831U CN218068553U CN 218068553 U CN218068553 U CN 218068553U CN 202222160831 U CN202222160831 U CN 202222160831U CN 218068553 U CN218068553 U CN 218068553U
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Abstract
The utility model discloses a single-chip LCD projection optical machine and a projector, wherein the single-chip LCD projection optical machine comprises a shell, an optical component and a heat dissipation component, the optical component comprises a light source, a first lens, an LCD screen and a second lens which are arranged in sequence along the propagation direction of a light path; the LCD screen and the second lens are arranged in the first cavity, and an airflow channel is formed between the first lens and the second lens; the heat dissipation assembly comprises a first fan, a first heat exchanger and a second heat exchanger, the first heat exchanger and the second heat exchanger are mounted on two opposite side walls of the first cavity, the first fan is located between the first heat exchanger and the second heat exchanger, the first fan is provided with a first air suction opening, a second air suction opening and a first exhaust opening, the first air suction opening faces the first heat exchanger, the second air suction opening faces the second heat exchanger, and the first exhaust opening is communicated with an air inlet of the air flow channel. The utility model discloses a monolithic formula LCD projection optical machine has better heat dispersion.
Description
Technical Field
The utility model relates to a projection ray apparatus technical field, in particular to monolithic formula LCD projection ray apparatus and projecting apparatus.
Background
At present, the single-chip LCD projection optical device is mainly divided into two types: one is a semi-closed optical machine, and the other is a fully-closed optical machine.
Semi-closed ray apparatus, the key feature is that the ray apparatus is equipped with air intake and air outlet, and air intake and air outlet prevent that external dust from getting into inside through setting up the high density dust screen, nevertheless because the ray apparatus is the intercommunication with the external world, can't reach the complete closure, consequently still have external dust to enter into inside the ray apparatus, and then cause the influence to image display and part life-span.
The totally enclosed light machine is mainly characterized in that the interior of the light machine is totally enclosed, and the possibility of dust entering is blocked. However, since the inside of the optical machine is completely sealed, a large amount of heat inside the optical machine cannot be discharged outside the optical machine in time, and the heat dissipation capability is weak, the temperature of the optical components inside the optical machine is high, and therefore the optical machine is only suitable for the optical machine with low brightness.
Therefore, a fully-enclosed optical engine with high heat dissipation capability is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a monolithic formula LCD projection optical machine and projecting apparatus, aim at solving the technical problem that single-chip formula LCD projection optical machine heat dispersion is poor among the prior art.
In order to achieve the above object, the present invention provides a single-chip LCD projector comprising:
a housing having a receiving cavity;
the optical assembly comprises a light source, a first lens, an LCD screen and a second lens which are sequentially arranged along the propagation direction of a light path; the first lens is arranged in the accommodating cavity and divides the accommodating cavity into a first cavity and a second cavity, the LCD screen and the second lens are arranged in the first cavity, an airflow channel is formed between the first lens and the second lens, the LCD screen is arranged in the airflow channel, and the light source is arranged in the second cavity;
the heat dissipation assembly comprises a first fan, a first heat exchanger and a second heat exchanger; first heat exchanger and second heat exchanger install respectively in the relative both sides wall of first cavity, first fan is located first heat exchanger with between the second heat exchanger and be close to first heat exchanger sets up, first fan has first inlet scoop, second inlet scoop and first exhaust opening, first inlet scoop orientation first heat exchanger, the second inlet scoop orientation second heat exchanger, first exhaust opening with airflow channel's air intake intercommunication, second heat exchanger with airflow channel's air outlet closes on the setting.
Optionally, the single-chip LCD projector further includes a reflector and a lens, the reflector is disposed in the second cavity, and the reflector is configured to reflect light emitted from the light source to the first lens; the lens is arranged on one side of the shell of the first cavity and is positioned on a path of emergent rays of the second lens.
Optionally, a ventilation space is formed between the first fan and the first heat exchanger, and a light channel for light to propagate is formed between the first fan and the second heat exchanger.
Optionally, the first lens and the second lens are both fresnel lenses, and the LCD screen is disposed at an interval from the first lens and the second lens, respectively.
Optionally, a heat insulation glass is further disposed between the LCD screen and the first lens, and the heat insulation glass is disposed at an interval with the LCD screen and the first lens, respectively.
Optionally, opposite sides of the housing of the first cavity are respectively provided with a first mounting opening and a second mounting opening, the first heat exchanger is mounted to the first mounting opening, so that the heat exchange portion of the first heat exchanger is located in the first cavity, and the heat dissipation portion of the first heat exchanger is located outside the first cavity, and the second heat exchanger is mounted to the second mounting opening, so that the heat exchange portion of the second heat exchanger is located in the first cavity, and the heat dissipation portion of the second heat exchanger is located outside the first cavity.
Optionally, the heat exchanging portion and the heat dissipating portion of the first heat exchanger each have first heat dissipating fins, and the heat exchanging portion and the heat dissipating portion of the second heat exchanger each have second heat dissipating fins.
Optionally, the height of the second heat dissipating fins on the heat dissipating portion of the second heat exchanger is greater than the height of the first heat dissipating fins on the heat dissipating portion of the first heat exchanger.
Additionally, the utility model provides a projector, projector includes above-mentioned monolithic formula LCD projection ray apparatus, projector still includes shell and second fan, the shell forms accommodation space, monolithic formula LCD projection ray apparatus with the second fan set up in the accommodation space, fresh air inlet and exhaust vent have been seted up to the shell, the second fan has third inlet scoop and second air exit, the fresh air inlet with first heat exchanger sets up relatively, the third inlet scoop with second heat exchanger sets up relatively, the second air exit with the exhaust vent sets up relatively.
Optionally, the projector further includes a light source radiator, the light source radiator is connected to the light source in a heat-conducting manner and is located between the second air outlet and the air outlet.
The utility model provides a single-chip LCD projection machine, the first lens set up in the holding chamber of casing and will hold the chamber and divide into first cavity and second cavity, LCD screen and second lens set up in first cavity, form the air current channel between first lens and the second lens, the LCD screen sets up in the air current channel, the first exhaust outlet of the first fan communicates with air intake of the air current channel, thus make the air current that the first fan produced flow through the air current channel, take away the heat that the LCD screen produced; then, the airflow is discharged from the air outlet of the airflow channel, and the airflow flows through the second heat exchanger for heat exchange because the second heat exchanger is arranged close to the air outlet of the airflow channel; after the heat exchange with the second heat exchanger, part of the air flow is directly sucked by the second air suction opening of the first fan, bypasses the first fan, flows through the first heat exchanger for heat exchange, is sucked by the first air suction opening of the first fan, is blown out by the first air exhaust opening of the first fan, and is blown to the air inlet of the air flow channel so as to reciprocate. The technical scheme of the utility model, airflow channel takes away the heat dissipation back of LCD screen, carries out the heat exchange with first heat exchanger, the second heat exchanger of the relative both sides wall of first cavity respectively to make monolithic formula LCD projection ray apparatus have excellent heat dispersion, can effectively reduce the temperature of LCD screen.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions 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 structural diagram of a single-chip LCD projector according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a single-chip LCD projector according to another embodiment of the present invention;
fig. 3 is a schematic structural diagram of a projector according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a projector according to another embodiment of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name(s) |
| 100 | Single-chip LCD |
4 | Reflecting |
| 1 | |
5 | |
| 10 | Containing |
320 | |
| 20 | |
6 | |
| 21 | |
310 | First radiating |
| 22 | |
320 | Second radiating |
| 23 | |
200 | Projector with a light source |
| 101 | A |
7 | |
| 102 | The |
8 | |
| 210 | |
70 | |
| 30 | |
71 | |
| 31 | |
72 | |
| 32 | |
80 | Third |
| 300 | First air suction opening | 81 | |
| 301 | Second air suction opening | 9 | |
| 302 | First exhaust outlet |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
Furthermore, descriptions in the present application as to "first," "second," etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate 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 the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "secured" are to be construed broadly, and thus, for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
The utility model provides a monolithic formula LCD projection ray apparatus and projecting apparatus.
Referring to fig. 1 to 4, the single-chip LCD projection optical device 100 includes a housing 1, an optical assembly and a heat dissipation assembly, wherein the housing 1 has a receiving cavity 10; the optical assembly comprises a light source 20, a first lens 21, an LCD screen 22 and a second lens 23 which are arranged in sequence along the propagation direction of an optical path; the first lens 21 is arranged in the accommodating cavity 10 and divides the accommodating cavity 10 into a first cavity 101 and a second cavity 102, the LCD screen 22 and the second lens 23 are arranged in the first cavity 101, an airflow channel 210 is formed between the first lens 21 and the second lens 23, the LCD screen 22 is arranged in the airflow channel 210, and the light source 20 is arranged in the second cavity 102; the heat dissipation assembly comprises a first fan 30, a first heat exchanger 31 and a second heat exchanger 32 which are arranged in the first cavity 101; the first heat exchanger 31 and the second heat exchanger 32 are respectively installed on two opposite side walls of the first cavity 101, the first fan 30 is located between the first heat exchanger 31 and the second heat exchanger 32 and is disposed near the first heat exchanger 31, the first fan 30 has a first air suction opening 300, a second air suction opening 301 and a first air discharge opening 302, the first air suction opening 300 faces the first heat exchanger 31, the second air suction opening 301 faces the second heat exchanger 32, the first air discharge opening 302 is communicated with an air inlet of the air flow channel 210, and the second heat exchanger 32 is disposed near an air outlet of the air flow channel 210. The arrows shown in fig. 1 to 4 are flow diagrams of the air flow.
In this embodiment, the first lens 21 is disposed in the accommodating cavity 10 of the housing 1 and divides the accommodating cavity 10 into the first cavity 101 and the second cavity 102, the LCD screen 22 and the second lens 23 are disposed in the first cavity 101, an airflow channel 210 is formed between the first lens 21 and the second lens 23, the LCD screen 22 is disposed in the airflow channel 210, and the first exhaust port of the first fan 30 is communicated with the air inlet of the airflow channel 210, so that the airflow generated by the first fan 30 flows through the airflow channel 210 and takes away heat generated by the LCD screen 22; then, the airflow is discharged from the air outlet of the airflow channel 210, and since the second heat exchanger 32 is disposed adjacent to the air outlet of the airflow channel 210, the airflow passes through the second heat exchanger 32 and performs heat exchange; after exchanging heat with the second heat exchanger 32, part of the air flow is directly sucked by the second air suction opening of the first fan 30, and after bypassing the first fan 30 and passing through the first heat exchanger 31 for heat exchange, part of the air flow is sucked by the first air suction opening of the first fan 30, blown out by the first air discharge opening of the first fan 30, and blown to the air inlet of the air flow channel 210, so as to reciprocate. The technical scheme of the utility model, airflow channel 210 takes away the heat dissipation back of LCD screen 22 through, carries out the heat exchange with first heat exchanger 31, the second heat exchanger 32 of installing at the relative both sides wall of first cavity 101 respectively to make monolithic formula LCD projection ray apparatus 100 have excellent heat dispersion, can effectively reduce the temperature of LCD screen 22. In addition, due to the separation of the first lens 21, the LCD panel 22 is disposed in the first cavity 101, and the light source 20 is disposed in the second cavity 102, so that heat generated by the light source 20 can be effectively reduced from being conducted to the LCD panel 22, and the temperature of the LCD panel 22 can be reduced. As the temperature of LCD screen 22 decreases, the brightness of light source 20 may be increased, thereby enabling monolithic LCD projector 100 to have high brightness.
In an embodiment, the single-chip LCD projector 100 further includes a reflector 4 and a lens 5, the reflector 4 is disposed in the second cavity 102, and the reflector 4 is used for reflecting the light emitted from the light source 20 to the first lens 21; the lens 5 is disposed at one side of the housing of the first cavity 101 and located on a path of the light emitted from the second lens 23. It can be understood that the light source 20 is disposed in the second cavity 102, and the light emitted from the light source 20 can be folded by adding a reflector 4, so that the light source 20 does not need to be disposed opposite to the first lens 21, which is beneficial to reducing the volume of the single-chip LCD projector 100. In this embodiment, the light emitted from the light source 20 is reflected to the first lens 21 by the reflector 4, and then sequentially passes through the LCD 22 and the second lens 23 to enter the lens 5 located on the path of the light emitted from the second lens 23, and the lens 5 projects the light to the outside, thereby forming a projection image.
Further, a ventilation interval is formed between the first fan 30 and the first heat exchanger 31, so that more air flows passing through the second heat exchanger 32 bypass the air flow of the first fan 30 to enter the ventilation interval, and then pass through the first heat exchanger 31 to exchange heat with the first heat exchanger 31, and the heat dissipation efficiency is improved. The light channel 320 for transmitting light is formed between the first fan 30 and the second heat exchanger 32, so that the first fan 30 and the second heat exchanger 32 can be effectively prevented from blocking the light emitted by the second lens 23. In one embodiment, referring to fig. 1, the first fan 30 may be disposed near the first heat exchanger 31. In another embodiment, referring to fig. 2, the first fan 30 may be disposed adjacent to the second heat exchanger 32.
Furthermore, the first lens 21 and the second lens 23 are both fresnel lenses, and the LCD panel 22 is disposed at an interval with the first lens 21 and the second lens 23, respectively. The first lens 21 is a fresnel lens for converting the light rays with divergent angles reflected by the first reflecting mirror 4 into light rays approaching parallel to be irradiated onto the LCD panel 22. The second lens 80 is a fresnel lens and is used to collect the light emitted from the LCD panel 22 onto the lens 5. The first lens 21 and the second lens 23 both adopt fresnel lenses, and the fresnel lenses have the advantages of small size, low cost and the like. The LCD screen 22, the first lens 21 and the second lens 23 are respectively arranged at intervals, so that air flow can pass through the two sides of the LCD screen 22, and heat generated by the LCD screen 22 can be effectively taken away.
Specifically, the heat insulation glass 6 is further disposed between the LCD panel 22 and the first lens 21, and the heat insulation glass 6 is disposed at an interval from the LCD panel 22 and the first lens 21, respectively. By providing the insulating glass 6, heat generated by the light source 20 can be effectively prevented from being transferred to the LCD panel 22.
More specifically, a first mounting opening and a second mounting opening are respectively formed on two opposite sides of the housing of the first cavity 101, the first heat exchanger 31 is mounted on the first mounting opening, so that the heat exchange portion of the first heat exchanger 31 is located in the first cavity 101, the heat dissipation portion of the first heat exchanger 31 is located outside the first cavity 101, and the second heat exchanger 32 is mounted on the second mounting opening, so that the heat exchange portion of the second heat exchanger 32 is located in the first cavity 101, and the heat dissipation portion of the second heat exchanger 32 is located outside the first cavity 101. The heat exchange portions of the first heat exchanger 31 and the second heat exchanger 32 are both located in the housing 1, so that the first heat exchanger 31 and the second heat exchanger 32 can exchange heat with the airflow in the first cavity 101, the heat dissipation portions of the first heat exchanger 31 and the second heat exchanger 32 are located outside the housing 1, so that the heat exchanged by the heat exchange portion of the first heat exchanger 31 can be transferred to the outside of the housing 1 through the heat dissipation portion of the first heat exchanger 31, and the heat exchanged by the heat exchange portion of the second heat exchanger 32 can be transferred to the outside of the housing 1 through the heat dissipation portion of the second heat exchanger 32, thereby improving the heat dissipation effect of the single-chip LCD projection light engine 100.
In one embodiment, the heat exchanging part and the heat dissipating part of the first heat exchanger 31 each have first heat dissipating fins 310, and the heat exchanging part and the heat dissipating part of the second heat exchanger 32 each have second heat dissipating fins 320. By providing the first and second heat radiating fins 310 and 320, the heat radiation efficiency of the first and second heat exchangers 31 and 32 can be improved. Optionally, the first heat dissipation fins 310 on the heat exchanging portion of the first heat exchanger 31 extend from the LCD panel to the direction toward the lens 5, and the second heat dissipation fins 320 on the heat exchanging portion of the second heat exchanger 32 extend from the LCD panel to the direction toward the lens 5, so that the circulation of the air flow in the first cavity 101 is facilitated, and the heat dissipation performance of the single-chip LCD projection optical engine 100 can be further improved.
Further, the height of the second heat dissipation fins 320 on the heat dissipation portion of the second heat exchanger 32 is greater than the height of the first heat dissipation fins 310 on the heat dissipation portion of the first heat exchanger 31. It can be understood that, because the second heat exchanger 32 is disposed adjacent to the air outlet of the air flow channel 210, the second heat exchanger 32 can obtain more heat by exchanging heat with the air flow, so that the second heat dissipating fins 320 on the heat dissipating portion of the second heat exchanger 32 have a higher height, thereby improving the heat dissipating efficiency of the second heat exchanger 32.
The utility model also provides a projector 200, projector 200 includes foretell monolithic formula LCD projection ray apparatus 100, projector 200 still includes shell 7 and second fan 8, shell 7 forms accommodation space 70, monolithic formula LCD projection ray apparatus 100 and second fan 8 set up in accommodation space 70, fresh air inlet 71 and exhaust vent 72 have been seted up to shell 7, second fan 8 has third inlet scoop 80 and second air exit 81, fresh air inlet 71 and first heat exchanger 31 set up relatively, third inlet scoop 80 and second heat exchanger 32 set up relatively, second air exit 81 and exhaust vent 72 set up relatively. In this embodiment, when the projector 200 operates, the second fan 8 rotates to generate negative pressure, so that air outside the housing 7 enters the accommodating space 70 of the housing 7 through the air inlet hole 71, and flows through the first heat exchanger 32 and the second heat exchanger 32 in sequence, takes heat away from the first heat exchanger 32 and the second heat exchanger 32, is sucked by the third air inlet 80 of the second fan 8 and is discharged from the second air outlet 81, and is finally discharged out of the housing 7 through the air outlet hole 72, thereby achieving overall heat dissipation of the projector 200.
In an embodiment, referring to fig. 3, the second fan 8 is a vortex fan having two third air suction openings 80 and a second air exhaust opening 81, wherein one of the third air suction openings 80 is disposed opposite to the second heat exchanger 32, and the second air exhaust opening 81 is disposed opposite to the air outlet 72. In another embodiment, referring to fig. 4, the second fan 8 is an axial flow fan having a third air suction opening 80 and a second air discharge opening 81 disposed opposite to each other, the third air suction opening 80 is disposed opposite to the second heat exchanger 32, and the second air discharge opening 81 is disposed opposite to the air outlet 72.
In an embodiment, the projector 200 further includes a light source heat sink 9, and the light source heat sink 9 is thermally connected to the light source 20 and located between the second air outlet 81 and the air outlet. Through setting up light source radiator 9, make light source radiator 9 and light source 20 heat conduction be connected, conduct the heat that produces in the light source 20 course of operation to light source radiator 9 on, light source radiator 9 is located between second air exit 81 and the air outlet moreover, the heat on the light source radiator 9 can be taken to the external world of shell 7 through exhaust vent 72 by the air current that second air exit 81 of second fan 8 blew out, increases the radiating efficiency of light source 20.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (10)
1. A single piece LCD light projector, comprising:
a housing having a receiving cavity;
the optical assembly comprises a light source, a first lens, an LCD screen and a second lens which are sequentially arranged along the propagation direction of a light path; the first lens is arranged in the accommodating cavity and divides the accommodating cavity into a first cavity and a second cavity, the LCD screen and the second lens are arranged in the first cavity, an airflow channel is formed between the first lens and the second lens, the LCD screen is arranged in the airflow channel, and the light source is arranged in the second cavity;
the heat dissipation assembly comprises a first fan, a first heat exchanger and a second heat exchanger; first heat exchanger and second heat exchanger install respectively in the relative both sides wall of first cavity, first fan is located first heat exchanger with between the second heat exchanger and be close to first heat exchanger sets up, first fan has first inlet scoop, second inlet scoop and first exhaust opening, first inlet scoop orientation first heat exchanger, the second inlet scoop orientation second heat exchanger, first exhaust opening with airflow channel's air intake intercommunication, second heat exchanger with airflow channel's air outlet closes on the setting.
2. The monolithic LCD projection engine of claim 1, further comprising a mirror disposed within the second cavity and a lens for reflecting light exiting the light source to the first lens; the lens is arranged on one side of the shell of the first cavity and is positioned on the path of emergent rays of the second lens.
3. The monolithic LCD projector as defined in claim 1 wherein the first fan and the first heat exchanger define a ventilation space therebetween, the first fan and the second heat exchanger defining a light channel therebetween for light propagation.
4. The single-piece LCD projector as defined in claim 2 wherein the first lens and the second lens are fresnel lenses, and the LCD screen is spaced apart from the first lens and the second lens.
5. The single-piece LCD projector as defined in claim 4, wherein a heat-shielding glass is disposed between the LCD panel and the first lens, the heat-shielding glass being spaced apart from the LCD panel and the first lens, respectively.
6. The single-chip LCD projector as claimed in any one of claims 2 to 5, wherein opposite sides of the housing of the first cavity are respectively provided with a first mounting opening and a second mounting opening, the first heat exchanger is mounted to the first mounting opening, such that the heat exchanging portion of the first heat exchanger is located inside the first cavity and the heat dissipating portion of the first heat exchanger is located outside the first cavity, and the second heat exchanger is mounted to the second mounting opening, such that the heat exchanging portion of the second heat exchanger is located inside the first cavity and the heat dissipating portion of the second heat exchanger is located outside the first cavity.
7. The single-piece LCD projector as claimed in claim 6, wherein the heat exchanging part and the heat dissipating part of the first heat exchanger each have first heat dissipating fins, and the heat exchanging part and the heat dissipating part of the second heat exchanger each have second heat dissipating fins.
8. The single sheet LCD projector engine of claim 6 wherein the height of the second heat sink fins over the heat sink portion of the second heat exchanger is greater than the height of the first heat sink fins over the heat sink portion of the first heat exchanger.
9. A projector, comprising the single-chip LCD projector as claimed in any one of claims 1 to 8, wherein the projector further comprises a housing and a second fan, the housing forms a receiving space, the single-chip LCD projector and the second fan are disposed in the receiving space, the housing has an air inlet and an air outlet, the second fan has a third air inlet and a second air outlet, the air inlet and the first heat exchanger are disposed opposite to each other, the third air inlet and the second heat exchanger are disposed opposite to each other, and the second air outlet and the air outlet are disposed opposite to each other.
10. The projector as defined in claim 9 further comprising a light source heat sink in thermally conductive communication with the light source and positioned between the second air exit and the air exit opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222160831.8U CN218068553U (en) | 2022-08-16 | 2022-08-16 | Single-chip LCD projection optical machine and projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222160831.8U CN218068553U (en) | 2022-08-16 | 2022-08-16 | Single-chip LCD projection optical machine and projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218068553U true CN218068553U (en) | 2022-12-16 |
Family
ID=84405563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222160831.8U Active CN218068553U (en) | 2022-08-16 | 2022-08-16 | Single-chip LCD projection optical machine and projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218068553U (en) |
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2022
- 2022-08-16 CN CN202222160831.8U patent/CN218068553U/en active Active
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