CN215006221U - Projector with high-efficiency heat dissipation - Google Patents
Projector with high-efficiency heat dissipation Download PDFInfo
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- CN215006221U CN215006221U CN202120624815.2U CN202120624815U CN215006221U CN 215006221 U CN215006221 U CN 215006221U CN 202120624815 U CN202120624815 U CN 202120624815U CN 215006221 U CN215006221 U CN 215006221U
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- heat
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- heat dissipation
- light source
- fan
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Abstract
The utility model discloses a high-effect radiating projector of utensil includes: a shell, a lens unit, an image forming device, a light source device, a fan and a heat dissipation module; the light source device is provided with a substrate and a plurality of light-emitting bulbs; the heat dissipation module is disposed on the top of the substrate and includes: a heat absorption cavity filled with working fluid, a heat dissipation cavity provided with a plurality of heat dissipation fins above, and a gas guide tube and a fluid sedimentation tube communicated with the heat absorption cavity. Compared with the prior art, the utility model discloses in, because the phase change (phase change) circulation of working fluid can take away the heat of luminous bulb fast, consequently the utility model discloses will make the projector reach high power, low energy consumption and have radiating benefit rapidly.
Description
[ technical field ] A method for producing a semiconductor device
The present invention relates to a projector, and more particularly to a projector with a high performance heat dissipation module for a three-dimensional phase change remote heat dissipation module.
[ background of the invention ]
According to the method, the projector utilizes the imaging principle and utilizes a Digital Micro-mirror Device (Digital Micro-mirror Device) to enlarge and project the tiny image to a huge screen; wherein, the light source device in the projector provides enough brightness to project the image information onto the screen through the lens unit; however, the light source emits a large amount of heat when emitting light, and in order to keep the light source device of the projector stable and to prolong the service life as long as possible, it is necessary to ensure that the light source device operates within a normal operating temperature range. Therefore, the light source of the projector is often provided with a heat sink.
FIG. 1 is a schematic view of a conventional heat sink for a light source of a projector; wherein, the LED bulb 91 is used as a light source and locked on the projector system 92; the heat sink 93 is attached to the back of the LED bulb 91, and a fan 94 is disposed on one side of the heat sink 93; when the projector works, heat emitted by the LED lamp 91 is conducted to the radiating fins 93 and then is blown out of the projector through the fan 94; such a heat sink 93 is mostly a rectangular thin plate, and the length thereof is equal to the diameter of the fan 94, so that the heat sink 93 is bulky.
Further, the heat dissipation space is reduced as much as possible while considering the size, position, and airflow of the fan 94 in the arrangement of the heat dissipation fins 93. It is considered that the operating temperature of the LED light bulb 91 is 25 to 85 deg.c, the temperature range of the optimum luminous color is 25 to 60 deg.c, and the lower the ambient temperature in this range, the better. Further, the size of the projector is more and more miniaturized, but the size of the projector cannot be effectively reduced due to the heat sink 93 in the conventional art. Therefore, how to reduce the size of the light source heat dissipation device and ensure the benefit of rapid heat dissipation to keep the ambient temperature of the light source within the optimum working range is an urgent issue to be solved.
[ Utility model ] content
The utility model discloses aim at overcoming prior art not enough, provide one kind and install three-dimensional phase change distal end heat abstractor at the light source device top of projector, make the projector can reach high power, low power consumption and have radiating benefit rapidly.
In order to achieve the above object, the present invention adopts the technical means comprising: a shell, a lens unit, an image forming device, a light source device, a fan and a heat dissipation module; the wall surface of the shell is provided with a lens hole and a plurality of ventilation units, the lens unit is positioned in the lens hole, and the image forming device, the light source device and the fan are all arranged in the shell; the light source device is provided with a projection lamp unit and a light source driving board electrically connected with the projection lamp unit; the image forming apparatus includes a reflector, a light equalizing element, a color separating unit, and a color synthesizing unit.
The method is characterized in that: the projection lamp unit is provided with a substrate and a plurality of light-emitting bulbs are arranged on the lower edge of the substrate; the heat dissipation module is arranged on the top of the substrate of the projection lamp unit, is a three-dimensional phase-change remote heat dissipation device, and comprises: a heat absorption cavity filled with a working fluid and having a bottom contacting the substrate; a heat radiation cavity, a plurality of heat radiation fins are arranged above the heat radiation cavity, the lower edge of the heat radiation cavity is connected with a gas guide tube and two symmetrical fluid sedimentation tubes which are arranged at the two sides of the heat radiation cavity, and the gas guide tube and the fluid sedimentation tubes are respectively communicated with the heat absorption cavity.
Therefore, the heat source generated by the light bulb of the projection lamp unit is conducted to the heat absorption cavity through the substrate, the working fluid is vaporized from a liquid state into a gas state, the working fluid is upwards sprayed through the gas guide pipe and rapidly and uniformly diffused into the heat dissipation cavity, and the heat of the working fluid is conducted to the heat dissipation fins; the heat of the heat dissipation fins is exchanged with the air blown by the fan, so that the working fluid in the heat dissipation cavity is condensed into a liquid form from a gas form, and then flows back to the heat absorption cavity through the fluid settling tube for circulation, so that the working fluid continuously circulates to perform liquid and gaseous phase change (phase change), and accordingly, the heat source generated by the projection lamp unit can achieve the benefit of rapid heat dissipation through the heat dissipation module with three-dimensional phase change.
Preferably, in the present invention, the cross section of the gas guiding tube is a tapered tube with a narrow top and a wide bottom.
Preferably, in the present invention, a check valve is respectively disposed at a communication position between the fluid settling tube and the heat absorption cavity.
Preferably, in the present invention, the light-emitting bulb is any one of a metal halide lamp, an ultra-high pressure mercury lamp, a xenon lamp, and an LED bulb.
Preferably, in the utility model discloses in the ventilation unit include with the camera lens hole is seted up in a plurality of exhaust vents of same wall, and is seted up in a plurality of air inlet windows of other walls of casing.
Preferably, in the present invention, the fan has an air blowing opening facing the heat dissipating fins, and an air inlet opening formed at the top of the fan.
According to the feature of the present invention, each of the plural heat dissipating fins is parallel to each other, and one end of the extending direction thereof is just opposite to the air outlet, and the other end thereof is just opposite to the air outlet of the fan.
The utility model discloses a high-effect radiating projector of utensil has following beneficial effect:
the utility model discloses install the heat dissipation module of a set of three-dimensional phase change at the projection lamp unit top of projector, consequently, the luminous bulb of group setting in the base plate lower edge, the working fluid in its produced heat source will be given in the heat absorption cavity by the base plate conduction, makes it vaporize into the gaseous state by the liquid state, sprays to the heat dissipation cavity through the gas guide pipe, recycles the air that heat radiation fin and fan blown and carries out the heat exchange, the working fluid condenses into the liquid state after and sees through the fluid settling tube again, flows back to the heat absorption cavity continuous cycle phase change; because the phase change circulation of the working fluid can quickly take away heat, the light-emitting bulb connected with the three-dimensional phase change heat dissipation module can enable the projector to achieve the benefits of high power, low energy consumption and quick heat dissipation.
[ description of the drawings ]
FIG. 1: a schematic structural diagram of a conventional light source heat sink for a projector.
FIG. 2: do the utility model discloses projector and light source heat radiation module's decomposition stereogram.
FIG. 3: do the utility model discloses the combined stereogram of projector and light source heat dissipation module.
FIG. 4: do the utility model discloses light source heat dissipation module's schematic structure diagram.
FIG. 5: the schematic diagram of the phase change of the working fluid of the light source heat dissipation module of the present invention is shown.
[ notation ] to show
10: shell body
11: wall surface
12: lens hole
13: ventilation unit
131: air outlet
132: air inlet window
14: inner edge
20: lens unit
30: image forming apparatus with a toner supply device
40: light source device
41: projection lamp unit
411: substrate
412: luminous bulb
42: light source driving board
50: fan with cooling device
51: air inlet
52: air blowing port
60: heat radiation module
601: bottom edge
61: heat absorption cavity
62: heat dissipation cavity
63: heat radiation fin
64: gas guide tube
65: fluid settling tube
66: check valve
100: projector with a light source
H: heat source
L: liquid state
V: gaseous state
W: working fluid
[ detailed description ] embodiments
First, please refer to fig. 2-3, which illustrate the structure of the projector 100 with high-performance heat dissipation according to the present invention, comprising: a housing 10, a lens unit 20, an image forming device 30, a light source device 40, a fan 50, and a heat dissipation module 60; the wall surface 11 of the housing 10 is provided with a lens hole 12 and a plurality of ventilation units 13, wherein the ventilation units 13 include a plurality of air outlet holes 131 opened on the same wall surface 11 as the lens hole 12 and a plurality of air inlet windows 132 opened on other wall surfaces 11 of the housing 10; the lens unit 20 is located in the lens hole 12, and the image forming device 30, the light source device 40, and the fan 50 are all disposed on the inner edge 14 of the housing 10; the image forming apparatus 30 includes a reflector, a light equalizing element, a color separating unit, and a color synthesizing unit; since the image forming apparatus 30 of the projector belongs to a mature technology, and is not a feature of the present invention, the related optical components contained in the image forming apparatus 30, the functions or theoretical structures involved therein will not be included in the scope of the present invention; the fan 50 is a component for providing air required for heat exchange of the heat dissipation module 60, and includes an air inlet 51 opened at a top thereof for sucking air and an air outlet 52 for sending air after pressurization, in addition to a motor, a blade and an air duct.
Furthermore, the light source device 40 includes a projection lamp unit 41 and a light source driving board 42 electrically connected thereto; the projection lamp unit 41 has a substrate 411 and a plurality of light-emitting bulbs (not shown) mounted on the lower edge thereof, and the light-emitting bulbs in the present invention are any one of metal halide lamps, ultra-high pressure mercury lamps, xenon lamps, and LED bulbs; the heat sink module 60 is disposed on the top of the substrate 411 of the projection lamp unit 41, and the bottom edge 601 thereof contacts the substrate 411, which includes: a heat absorbing cavity 61, a heat dissipating cavity 62, and a plurality of heat dissipating fins 63 disposed above the heat absorbing cavity, wherein each of the plurality of heat dissipating fins 63 is parallel to each other, and one end of the extending direction thereof faces the air outlet 131, and the other end thereof faces the air outlet 52 of the fan 50.
A heat dissipation module 60, as shown in fig. 4, disposed on the top of a substrate 411 of the projection lamp unit 41, wherein a plurality of light-emitting bulbs 412 are mounted on the lower edge of the substrate 411; the heat dissipation module 60 is a three-dimensional phase-change far-end heat dissipation device, and in the components, the heat absorption cavity 61 is located above a bottom edge 601 of the heat dissipation module 60 and is used for filling a working fluid W, a plurality of heat dissipation fins 63 are located above the heat dissipation cavity 62, a lower edge is connected with a gas guide tube 64 and two symmetrical fluid sedimentation tubes 65 which are arranged on two sides of the gas guide tube 64, and the gas guide tube 64 and the fluid sedimentation tubes 65 are respectively communicated with the heat absorption cavity 61. In the present invention, in order to improve the thermosiphon effect, the cross section of the gas guiding tube 64 is designed to be a tapered tube body with a narrow top and a wide bottom; furthermore, in order to prevent the working fluid W from flowing into the heat absorbing cavity 61 in the fluid settling tube 65, a check valve 66 is further separately disposed at a communication position between the fluid settling tube 65 and the heat absorbing cavity 61.
Fig. 5 shows a circulation state of the working fluid W of the heat dissipation module 60 according to the present invention, which is subjected to three-dimensional phase change; since the light-emitting bulb 412 is mounted on the lower edge of the substrate 411, and the upper edge of the substrate 411 contacts the bottom of the heat absorption cavity 61, the heat source H generated by the light-emitting bulb 412 is conducted to the working fluid W in the heat absorption cavity 61 through the substrate 411, so that the working fluid W is vaporized from the liquid L to the gas V, flows upward in the gas guide tube 64 by using the thermosyphon effect (thermosyphon), is jetted upward at high pressure and rapidly and uniformly diffused into the heat dissipation cavity 62, and then the heat of the working fluid W is exchanged with the air blown by the fan 50 by using the heat dissipation fins 63, so that the working fluid W in the heat dissipation cavity 62 is condensed from the gas V to the liquid L, and then flows back to the heat absorption cavity 61 through the fluid sedimentation tube 65 for circulation, and further the working fluid W continuously circulates to perform a phase change (phase change) between the liquid L and the gas V, accordingly, the heat source H generated by the light emitting lamp 412 can achieve the effect of fast heat dissipation through the three-dimensional phase change type of the heat dissipation module 60.
Because the utility model discloses a install the heat dissipation module 60 of a set of three-dimensional phase change at the projection lamp unit 41 top of projector, consequently, the group locates the luminous bulb 412 of base plate 411 lower edge, and the heat source H that it produced will be conducted to the working fluid W in the heat absorption cavity 61 by base plate 411, makes it vaporize into gaseous state V by liquid L, sprays to heat dissipation cavity 62 through gas guide tube 64, utilizes heat dissipation fin 63 to carry out the heat exchange with the air that fan 50 blown again, and working fluid W permeates through behind the condensation of liquid L fluid body 65 backward flow to heat absorption cavity 61 continuous cycle phase change again; since the phase change cycle of the working fluid W can quickly remove heat, the light-emitting bulb 412 connected to the three-dimensional phase change heat dissipation module 60 can achieve high power, low power consumption and quick heat dissipation.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made without departing from the spirit and scope of the invention.
Claims (7)
1. A projector with high-efficiency heat dissipation includes: a shell, a lens unit, an image forming device, a light source device, a fan and a heat dissipation module; the wall surface of the shell is provided with a lens hole and a plurality of ventilation units, the lens unit is positioned in the lens hole, and the image forming device, the light source device and the fan are all arranged in the shell; the light source device is provided with a projection lamp unit and a light source driving board electrically connected with the projection lamp unit; the image forming apparatus includes a reflecting mirror, a light equalizing element, a color separating unit, and a color synthesizing unit;
the method is characterized in that: the projection lamp unit is provided with a substrate and a plurality of light-emitting bulbs are arranged on the lower edge of the substrate; the heat dissipation module is arranged on the top of the substrate of the projection lamp unit, is a three-dimensional phase-change remote heat dissipation device, and comprises: the heat absorption cavity is filled with a working fluid, and the bottom of the heat absorption cavity is in contact with the substrate; a heat radiation cavity, a plurality of heat radiation fins are arranged above the heat radiation cavity, the lower edge of the heat radiation cavity is connected with a gas guide tube and two symmetrical fluid sedimentation tubes which are arranged at the two sides of the heat radiation cavity, and the gas guide tube and the fluid sedimentation tubes are respectively communicated with the heat absorption cavity.
2. The projector as claimed in claim 1, wherein the gas guiding tube has a tapered cross section with a narrow top and a wide bottom.
3. The projector as claimed in claim 1, wherein a check valve is disposed at a connection between the fluid settling tube and the heat absorbing chamber.
4. The projector as claimed in claim 1, wherein the light bulb is any one of a metal halide lamp, an ultra-high pressure mercury lamp, a xenon lamp, and an LED bulb.
5. The projector as claimed in claim 1, wherein the ventilation unit includes a plurality of air outlets on a same wall as the lens opening and a plurality of air intake windows on other walls of the housing.
6. The projector as claimed in claim 5, wherein the fan has an air outlet facing the heat dissipating fins and an air inlet opening at the top of the fan.
7. The projector as claimed in claim 6, wherein each of the plurality of fins is parallel to each other, and one end of the extending direction of the fins faces the air outlet, and the other end faces the air outlet of the fan.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW109203656 | 2020-03-30 | ||
| TW109203656U TWM602217U (en) | 2020-03-30 | 2020-03-30 | Projector with high-efficiency heat dissipation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215006221U true CN215006221U (en) | 2021-12-03 |
Family
ID=74094846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120624815.2U Active CN215006221U (en) | 2020-03-30 | 2021-03-26 | Projector with high-efficiency heat dissipation |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN215006221U (en) |
| TW (1) | TWM602217U (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI785584B (en) * | 2021-04-28 | 2022-12-01 | 中強光電股份有限公司 | Projection device |
-
2020
- 2020-03-30 TW TW109203656U patent/TWM602217U/en unknown
-
2021
- 2021-03-26 CN CN202120624815.2U patent/CN215006221U/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| TWM602217U (en) | 2020-10-01 |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221102 Address after: 350401 Area B6, Floor 2, Building 6, Taiwan Entrepreneurship Park, Jinjing Second Road, Beicuo Town, Pingtan Comprehensive Experimental Zone, Fuzhou City, Fujian Province Patentee after: PINGTAN YIXIANG SHIDAI TECHNOLOGY CO.,LTD. Address before: 350400 room 505, building 9, Wanbao community (Wanbao Jiahua), south of Wanbao Road, Chengguan, Pingtan County, Fuzhou City, Fujian Province Patentee before: Jialong (Pingtan) Technology Co.,Ltd. |