CN217902238U - Projector sealing machine - Google Patents
Projector sealing machine Download PDFInfo
- Publication number
- CN217902238U CN217902238U CN202222339662.4U CN202222339662U CN217902238U CN 217902238 U CN217902238 U CN 217902238U CN 202222339662 U CN202222339662 U CN 202222339662U CN 217902238 U CN217902238 U CN 217902238U
- Authority
- CN
- China
- Prior art keywords
- heat
- heat dissipation
- lens
- cylinder
- channel
- 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
Images
Abstract
The utility model discloses a projector seals ray apparatus, including optical system, cooling system and ray apparatus casing, optical system includes LED light source, condensing lens, spotlight collimating lens, insulating glass, LCD light valve, field lens, formation of image speculum and projecting lens that set gradually according to light advancing direction. The heat dissipation system comprises an inner fan, an outer fan, a metal plate, a first heat pipe, a heat dissipation assembly, a heat exchanger and an air guide cover; the heat dissipation assembly comprises a heat dissipation cylinder and a plurality of straight rib profile radiators which are arranged along the outer surface of the heat dissipation cylinder in a fitting mode, the condensing lens and the condensing collimating lens are installed in the heat dissipation cylinder, the LED light source is installed at the opening of one end of the heat dissipation cylinder, and the opening of the other end of the heat dissipation cylinder is connected with the glass installation opening of the optical machine shell. The utility model discloses simple structure, convenient assembling, the radiating efficiency is high, has better price/performance ratio and market adaptability.
Description
Technical Field
The utility model relates to a projection technology field especially relates to a sealed ray apparatus of projector.
Background
The LED light source emits light and can be converted into heat, the existing device for radiating the LED light source comprises a radiating fan and a radiator, the radiator is directly attached to the LED light source externally, the heat generated by the LED light source is conducted to the radiator, the heat on the radiator is blown to the outside of the projector shell through the radiating fan, the radiating purpose of the LED light source is achieved, but the radiator is attached to the LED light source externally directly, and therefore the LED light source still has a part of heat which can be diffused into the projector shell, the radiating effect of the LED light source is not obvious, meanwhile, the radiator is directly attached to the LED light source externally in a superposition arrangement mode, and the size of the projector is directly increased.
Meanwhile, during the operation of the projector, a part of light can not penetrate through the LCD light valve and can be converted into heat. The current LCD projector sealing optical machine is usually provided with a closed-loop circulation air duct inside the optical machine, the closed-loop circulation air duct and the outside atmosphere have air tightness, and an internal circulation fan, a heat exchanger and the like are further arranged in the closed-loop circulation air duct. The heat on the surface of the LCD light valve is taken away through the operation of the internal circulation fan, and the heat of the air in the light machine is transferred and diffused to the atmosphere through the heat exchanger, but the air cooling heat dissipation capacity of the existing LCD light valve is insufficient, the heat dissipation efficiency is limited, and the heat dissipation effect is not good.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an it is not enough with regard to overcoming prior art, provides a projector seals ray apparatus, the utility model discloses a LED light source and the effective quick heat dissipation of LCD light valve, simple structure, convenient assembling, the radiating efficiency is high, has better price/performance ratio and market adaptability.
In order to achieve the above object, the utility model provides a projector sealing optical-mechanical system, including optical system, cooling system and optical-mechanical housing, optical system includes LED light source, condensing lens, spotlight collimating lens, insulating glass, LCD light valve, field lens, imaging mirror and projection lens that set gradually according to light advancing direction, be equipped with glass installing port and camera lens installing port on the optical-mechanical housing; the heat insulation glass and the projection lens are respectively arranged at the glass mounting opening and the lens mounting opening; the heat insulation glass, the LCD light valve, the field lens and the imaging reflector are positioned inside the optical machine shell.
The heat dissipation system comprises an inner fan, an outer fan, a metal plate, a first heat pipe, a heat dissipation assembly, a heat exchanger and an air guide cover; the heat dissipation assembly comprises a heat dissipation cylinder and a plurality of straight rib profile radiators arranged on the outer surface of the heat dissipation cylinder, the condensing lens and the condensing collimating lens are installed in the heat dissipation cylinder, the LED light source is installed at the opening of one end of the heat dissipation cylinder, and the opening of the other end of the heat dissipation cylinder is connected with the glass installation opening of the optical machine shell.
The metal plate and the first heat pipe are located outside the heat dissipation cylinder, the first heat pipe is flat and attached to the back of the metal plate, the metal plate is attached to the back of the LED light source, the metal plate is installed in a region outside the LED light source and attached to the heat dissipation cylinder, and the edge of the metal plate and rib bases of the plurality of straight rib section bar radiators are attached to each other.
A first channel is formed between the condensing collimating lens and the heat insulation glass, a second channel is formed between the heat insulation glass and the LCD light valve, and a third channel is formed between the LCD light valve and the field lens.
The heat exchanger comprises a heat absorption part and a heat release part positioned outside the optical machine shell, wherein the heat absorption part is positioned in a space enclosed by the inner wall of the optical machine shell and the back of the imaging reflector.
A closed circulating heat dissipation air duct is arranged in the optical machine shell; the LCD light valve, the inner fan, the heat absorption part, the first channel, the second channel and the third channel are all positioned in the heat dissipation air duct; the air guide cover is internally covered at one end of the metal plate, the first heat pipe and the plurality of straight rib section bar radiators; the air guide cover is connected with the outer fan, an air outlet of the air guide cover is aligned to an air inlet of the outer fan, and the outer fan performs air draft on the heat dissipation assembly and the heat release part.
Preferably, the number of the inner fans is one or more, and the inner fans are arranged side by side.
Preferably, the number of the first heat pipes is one or more.
Preferably, the heat absorbing part consists of a plurality of heat absorbing fins, the heat releasing part consists of a plurality of heat spreading fins, and the heat exchanger further comprises a second heat pipe; the heat absorption part is connected with the second heat pipe in a penetrating way, and the heat absorption part is positioned in the middle of the second heat pipe; two ends of the second heat pipe penetrate to the outside of the optical machine shell, and two ends of the second heat pipe are connected with the heat release part in a penetrating manner; the number of the second heat pipes is at least two.
Preferably, the material of the heat radiation cylinder is die-cast aluminum.
The utility model has the advantages that:
1. the utility model discloses interior fan is bloied the heat dissipation wind channel, and the heat that the LCD light valve produced after the heat absorption portion heat transfer of heat exchanger, transmits to exothermic portion and diffusion to the atmosphere in, and outer fan convulsions to exothermic portion simultaneously to realize the effective quick heat dissipation of LCD light valve. And a first channel is formed between the condensing collimating lens and the heat-insulating glass, a second channel is formed between the heat-insulating glass and the LCD light valve, and a third channel is formed between the LCD light valve and the field lens, and the first channel, the second channel and the third channel are all positioned in the heat-dissipation air duct, so that the area of the heat-dissipation air duct is large, the heat-dissipation efficiency of the LCD light valve is effectively improved, the normal work of the LCD light valve is ensured, and the service life of the LCD light valve is prolonged.
2. The utility model discloses the heat that the LED light source produced can transmit for the metal sheet fast and transmit for a heat dissipation section of thick bamboo and the straight rib section bar radiator of multi-disc after the quick samming of first heat pipe to the effective quick heat dissipation of LED light source has been realized, and the radiating effect is showing.
3. The utility model discloses an one end of metal sheet, first heat pipe and the straight rib section bar radiator of multi-disc is covered to the wind scooper to make the forced air current of outer fan can effectively flow radiating component's surface, realize the high-efficient heat dissipation of fixed point, improved the radiating effect of LED light source.
4. The utility model discloses, simple structure, convenient assembling has better price/performance ratio and market adaptability.
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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a perspective view of an embodiment of the present invention;
fig. 2 is a perspective view of an embodiment of the present invention;
fig. 3 is a perspective view of an embodiment of the present invention;
FIG. 4 is a perspective view of FIG. 3 with the external fan and the wind scooper removed;
fig. 5 is a cross-sectional view of an embodiment of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention is described in detail below with reference to the accompanying drawings, and the description in this section is only exemplary and explanatory, and should not have any limiting effect on the scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like refer to the orientation or positional relationship shown in the drawings, or the orientation or positional relationship that the utility model is usually placed when in use, and are used for convenience of description and simplification of description, but do not refer to or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "suspended" and the like do not imply that the components are absolutely horizontal or suspended, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in fig. 1-5, the projector sealing optical machine provided in this embodiment includes an optical system, a heat dissipation system, and an optical machine housing 1, where the optical system includes an LED light source 2, a condenser 3, a condensing collimating lens 4, heat-insulating glass 5, an LCD light valve 6, a field lens 7, an imaging mirror 8, and a projection lens 9, which are sequentially arranged in a light traveling direction, and the optical machine housing 1 is provided with a glass mounting opening and a lens mounting opening; the heat insulation glass 5 and the projection lens 9 are respectively arranged at the glass mounting opening and the lens mounting opening; the heat insulation glass 5, the LCD light valve 6, the field lens 7 and the imaging reflector 8 are positioned inside the optical machine shell 1.
The heat dissipation system comprises an inner fan 15, an outer fan 12, a metal plate 10, a first heat pipe 11, a heat dissipation assembly 14, a heat exchanger 16 and an air guide cover 13; the heat dissipation assembly 14 comprises a heat dissipation cylinder 140 and a plurality of straight rib profile heat radiators 141 arranged along the outer surface of the heat dissipation cylinder 140, the condenser lens 3 and the condensing collimating lens 4 are installed in the heat dissipation cylinder 140, the LED light source 2 is installed at a cylinder opening at one end of the heat dissipation cylinder 140, and a cylinder opening at the other end of the heat dissipation cylinder 140 is connected with a glass installation opening of the optical machine housing 1.
The metal plate 10 and the first heat pipe 11 are located outside the heat dissipation cylinder 140, and the metal plate 10 is attached to the back surface of the LED light source 2. The first heat pipe 11 is flat and attached to the back of the metal plate 10, the region of the metal plate 10 outside the LED light source 2 is attached to the heat dissipation cylinder 140, and the edge of the metal plate 10 is attached to the rib bases of the multiple straight rib profile heat sinks 141.
A first channel is formed between the condensing collimating lens 4 and the heat insulating glass 5, a second channel is formed between the heat insulating glass 5 and the LCD light valve 6, and a third channel is formed between the LCD light valve 6 and the field lens 7.
The heat exchanger 16 includes a heat absorption portion 160 and a heat release portion 162 located outside the optical machine housing 1, and the heat absorption portion 162 is located in a space enclosed by the inner wall of the optical machine housing 1 and the back surface of the imaging mirror 8.
A closed circulating heat dissipation air duct is arranged in the optical machine shell 1; the LCD light valve 6, the inner fan 15, the heat absorption part 160, the first channel, the second channel and the third channel are all positioned in the heat dissipation air duct; the air guide cover 13 covers the metal plate 10, the first heat pipe 11 and one end of the plurality of straight rib section bar radiators 141; the air guiding cover 13 is connected with the outer fan 12, an air outlet of the air guiding cover 13 is aligned with an air inlet of the outer fan 12, and the outer fan 12 performs air draft on the heat dissipation assembly 14 and the heat releasing portion 162.
In this embodiment, the inner fan 15 blows air to the heat dissipation air duct, and heat generated by the LCD light valve 6 is transferred to the heat dissipation portion 162 and diffused into the atmosphere after being heat-exchanged by the heat absorption portion 160 of the heat exchanger 16, and the outer fan 12 drafts air to the heat dissipation portion 162, so as to achieve effective and rapid heat dissipation of the LCD light valve 6.
In this embodiment, a first channel is formed between the condensing collimating lens 4 and the heat insulating glass 5, a second channel is formed between the heat insulating glass 5 and the LCD light valve 6, and a third channel is formed between the LCD light valve 6 and the field lens 7, and the first channel, the second channel, and the third channel are all located in the heat dissipation air duct, so that the area of the heat dissipation air duct is large, the heat dissipation efficiency of the LCD light valve 6 is effectively improved, the normal operation of the LCD light valve 6 is ensured, and the service life of the LCD light valve 6 is prolonged.
In this embodiment, the LED light source 2 is installed in the heat dissipating cylinder 140 included in the heat dissipating assembly 14, and the heat generated by the LED light source 2 can be quickly transferred to the metal plate 10, and then transferred to the heat dissipating cylinder 140 and the plurality of straight rib profile heat sinks 141 after being quickly equalized in temperature by the first heat pipe 11, so that the LED light source 2 can be effectively and quickly dissipated, and the heat dissipating effect is significant.
In this embodiment, the air guiding cover 13 covers the metal plate 10, the first heat pipe 11 and one end of the plurality of straight rib-shaped radiators 141, so that the forced air flow of the external fan 12 can effectively flow over the surface of the heat dissipating assembly 14, thereby improving the heat dissipating effect of the LED light source 2.
In this embodiment, the number of the first heat pipes 11 is preferably one or more, which is not limited in particular.
In this embodiment, the number of the inner fans 15 is preferably one or more, wherein a plurality of inner fans 15 are arranged side by side. The preferred quantity of interior fan 15 of this embodiment is two, and two interior fans 15 are the setting side by side. The heat generated by the LCD light valve 6 can be quickly blown out of the heat dissipation channel through the two inner fans 15, so that the quick heat dissipation of the LCD light valve 6 is realized, meanwhile, the heat generated by the LCD light valve 6 can be quickly blown into the heat exchanger 16 for heat exchange, and the heat dissipation efficiency is improved.
Preferably, in this embodiment, the heat absorbing portion 160 is composed of a plurality of heat absorbing fins, the heat releasing portion 162 is composed of a plurality of heat dissipating fins, and the heat exchanger 16 further includes a second heat pipe 161; the heat absorbing part 160 is connected with the second heat pipe 161 in a penetrating way, and the heat absorbing part 160 is positioned in the middle of the second heat pipe 161; two ends of the second heat pipe 161 penetrate to the outside of the optical machine housing 1, and two ends of the second heat pipe 161 are connected with the heat releasing portion 162 in a penetrating manner; the number of the second heat pipes 161 is at least two.
When hot air in the heat dissipation air duct passes through the heat exchanger 16, the heat absorption portion 160 absorbs heat rapidly, and the heat is rapidly transmitted to the heat release portions 162 at the two ends through the second heat pipe 161, and is diffused to the atmosphere, and meanwhile, the heat release portions 162 at the two ends of the second heat pipe 161 are subjected to air draft through the outer fan 12, so that the heat dissipation efficiency is high, and the heat dissipation effect is good.
In this embodiment, the heat absorbing part 160 is composed of a plurality of heat absorbing fins, the heat dissipating part 162 is composed of a plurality of heat dissipating fins, and the heat dissipating parts 162 are disposed at both ends of the second heat pipe 161, so that the heat exchange area is large, and the heat exchange efficiency is improved.
In this embodiment, the heat dissipation cylinder 140 is made of die-cast aluminum, and the specific type of ADC12 is not limited.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A projector sealing optical machine is characterized by comprising an optical system, a heat dissipation system and an optical machine shell (1), wherein the optical system comprises an LED light source (2), a condenser (3), a condensing collimating lens (4), heat insulation glass (5), an LCD light valve (6), a field lens (7), an imaging reflector (8) and a projection lens (9) which are sequentially arranged according to the advancing direction of light rays, and a glass mounting port and a lens mounting port are formed in the optical machine shell (1); the heat insulation glass (5) and the projection lens (9) are respectively arranged at the glass mounting opening and the lens mounting opening; the heat insulation glass (5), the LCD light valve (6), the field lens (7) and the imaging reflector (8) are positioned in the optical machine shell (1);
the heat dissipation system comprises an inner fan (15), an outer fan (12), a metal plate (10), a first heat pipe (11), a heat dissipation assembly (14), a heat exchanger (16) and an air guide cover (13); the heat dissipation assembly (14) comprises a heat dissipation cylinder (140) and a plurality of straight rib section bar heat radiators (141) which are arranged along the outer surface of the heat dissipation cylinder (140) in a fitting mode, the condenser lens (3) and the condensing collimating lens (4) are installed in the heat dissipation cylinder (140), the LED light source (2) is installed at a cylinder opening at one end of the heat dissipation cylinder (140), and a cylinder opening at the other end of the heat dissipation cylinder (140) is connected with a glass installation opening of the optical machine shell (1);
the metal plate (10) and the first heat pipe (11) are located outside the heat dissipation cylinder (140), the first heat pipe (11) is flat and attached to the back of the metal plate (10), the metal plate (10) is attached to the back of the LED light source (2), the area, outside the LED light source (2), of the metal plate (10) is attached to the heat dissipation cylinder (140), and the edge of the metal plate (10) is attached to rib bases of the plurality of straight rib profile radiators (141);
a first channel is formed between the condensing collimating lens (4) and the heat insulating glass (5), a second channel is formed between the heat insulating glass (5) and the LCD light valve (6), and a third channel is formed between the LCD light valve (6) and the field lens (7);
the heat exchanger (16) comprises a heat absorption part (160) and a heat release part (162) positioned outside the light machine shell (1), wherein the heat absorption part (160) is positioned in a space enclosed by the inner wall of the light machine shell (1) and the back surface of the imaging reflector (8);
a closed circulating heat dissipation air duct is arranged in the optical machine shell (1); the LCD light valve (6), the inner fan (15), the heat absorption part (160), the first channel, the second channel and the third channel are all positioned in the heat dissipation air channel; the air guide cover (13) covers the metal plate (10), the first heat pipe (11) and one end of the plurality of straight rib section bar radiators (141) in an inner mode; the air guide cover (13) is connected with the outer fan (12), the air outlet of the air guide cover (13) is aligned with the air inlet of the outer fan (12), and the outer fan (12) conducts air draft on the heat dissipation assembly (14) and the heat release portion (162).
2. The sealed optical engine for projectors according to claim 1, wherein the number of the inner fans (15) is one or more, and a plurality of inner fans (15) are arranged side by side.
3. The projector sealed optical engine according to claim 1, wherein the number of the first heat pipes (11) is one or more.
4. The projector sealing optical engine as claimed in claim 1, wherein the heat absorbing part (160) is composed of a plurality of heat absorbing fins, the heat releasing part (162) is composed of a plurality of heat dissipating fins, and the heat exchanger (16) further comprises a second heat pipe (161);
the heat absorbing part (160) is connected with the second heat pipe (161) in a penetrating way, and the heat absorbing part (160) is positioned in the middle of the second heat pipe (161);
two ends of the second heat pipe (161) penetrate to the outside of the optical machine shell (1), and two ends of the second heat pipe (161) are connected with the heat release part (162) in a penetrating manner; the number of the second heat pipes (161) is at least two.
5. The projector sealed optical engine as claimed in claim 1, wherein the material of the heat-dissipating cylinder (140) is die-cast aluminum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222339662.4U CN217902238U (en) | 2022-09-03 | 2022-09-03 | Projector sealing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222339662.4U CN217902238U (en) | 2022-09-03 | 2022-09-03 | Projector sealing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217902238U true CN217902238U (en) | 2022-11-25 |
Family
ID=84107916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222339662.4U Active CN217902238U (en) | 2022-09-03 | 2022-09-03 | Projector sealing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217902238U (en) |
-
2022
- 2022-09-03 CN CN202222339662.4U patent/CN217902238U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113589633A (en) | Optical engine | |
| CN112213906B (en) | Projection equipment and projection system | |
| CN217902238U (en) | Projector sealing machine | |
| CN210831580U (en) | Stage lamp inner loop cooling system | |
| CN112782916A (en) | Totally-enclosed optical machine with vertical heat dissipation and projector thereof | |
| CN212276202U (en) | Projector | |
| CN110716374B (en) | Projector with a light source | |
| CN114047663A (en) | Projector and projector apparatus | |
| CN216901303U (en) | Single-chip liquid crystal projector | |
| CN115016209B (en) | Heat radiation structure and projector | |
| CN114594647B (en) | Projection ray apparatus and projection equipment | |
| CN219842622U (en) | Fan structure of projector | |
| CN111609341A (en) | Stage lamp inner loop cooling system | |
| CN220367516U (en) | Projection equipment | |
| CN211427026U (en) | Projector heat dissipation device and projector | |
| CN214307033U (en) | Heat radiation structure of sealed lamp | |
| CN216886246U (en) | Two unification strenghthened type mounting panels of automotive cooling ware | |
| CN216748419U (en) | Projector and projector apparatus | |
| CN216819996U (en) | One-way isolation optical gate with high safety performance | |
| CN214751286U (en) | Outdoor projection equipment | |
| CN217386120U (en) | High-efficient heat abstractor and projector | |
| CN220933331U (en) | LCD projection optical machine with integrated heat dissipation shell and LCD projector | |
| CN109884844A (en) | A kind of fluorescent wheel radiator | |
| CN220368757U (en) | Image pickup device and vehicle | |
| CN216789985U (en) | Stage lamp with waterproof connecting box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |