CN209765251U - Projector with a light source - Google Patents
Projector with a light source Download PDFInfo
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- CN209765251U CN209765251U CN201920550116.0U CN201920550116U CN209765251U CN 209765251 U CN209765251 U CN 209765251U CN 201920550116 U CN201920550116 U CN 201920550116U CN 209765251 U CN209765251 U CN 209765251U
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- display screen
- air
- projector
- housing
- shell
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Abstract
the utility model provides a projector, this projector includes: a housing; the display screen is arranged in the shell; the air cooling assembly is arranged in the shell and used for dissipating heat of the display screen, and the blowing direction of the air cooling assembly is the same as the width extending direction of the display screen. Through the technical scheme that this application provided, can solve the inhomogeneous problem of display screen heat dissipation among the prior art.
Description
Technical Field
The utility model relates to a projecting apparatus technical field particularly, relates to a projecting apparatus.
Background
Currently, projectors include a display screen and an air-cooled assembly, wherein the air-cooled assembly is used to dissipate heat from the display screen. Specifically, the blowing direction of the air cooling assembly is the same as the length direction of the display screen.
However, adopt the radiating mode among the prior art, the direction of blowing with the air-cooled subassembly sets up to the same with the length direction of display screen, can lead to the temperature inconsistent of the air inlet side and the air-out side of display screen, and then makes the picture colour of display screen both sides demonstration inhomogeneous, and the problem of color cast can appear in the display screen, influences the display effect.
SUMMERY OF THE UTILITY MODEL
The utility model provides a projector to solve the inhomogeneous problem of display screen heat dissipation among the prior art.
the utility model provides a projector, projector includes: a housing; the display screen is arranged in the shell, and the width size of the display screen is smaller than the length size of the display screen; the air cooling assembly is arranged in the shell and used for dissipating heat of the display screen, and the blowing direction of the air cooling assembly is the same as the width extending direction of the display screen.
Furthermore, an air inlet and an air outlet are arranged on the shell, the shell is provided with a first surface and a second surface which extend along the length direction of the display screen, the first surface and the second surface are oppositely arranged at intervals, and the air inlet is arranged on the first surface and/or the second surface of the shell.
Furthermore, the air inlet is arranged on one of the first surface and the second surface of the shell, and the air outlet is correspondingly arranged on the other one of the first surface and the second surface of the shell.
further, the shell is provided with a third surface and a fourth surface which extend along the width direction of the display screen, the third surface and the fourth surface are oppositely arranged at intervals, and the air outlet is arranged on the third surface and/or the fourth surface of the shell.
Further, the air cooling assembly comprises a fan, and the fan is arranged at the air inlet.
Further, the projector further includes: the temperature sensor is arranged in the shell and used for measuring the temperature in the shell; the controller is arranged in the shell, the controller is electrically connected with the temperature sensor and the air cooling assembly respectively, and the air cooling assembly is controlled by the controller according to the measurement data of the temperature sensor.
Furthermore, the number of the air inlets is multiple, and the air inlets are arranged on the first surface and/or the second surface of the shell at intervals side by side along the length direction of the display screen.
Furthermore, the plurality of air inlets on the first surface and the plurality of air inlets on the second surface are arranged in a one-to-one correspondence or staggered manner.
Further, the air-cooled subassembly still includes: and the air guide cover is arranged between the air cooling assembly and the display screen.
Further, the projector comprises a light source, a polaroid, a condenser and a lens which are sequentially arranged, and the display screen is arranged between the polaroid and the condenser.
Use the technical scheme of the utility model, this projecting apparatus includes casing, display screen and forced air cooling subassembly. Utilize the air-cooled subassembly to dispel the heat to the display screen, the width extending direction through the direction of blowing with the air-cooled subassembly is the same with the display screen, because the width direction's of display screen length is less than its length direction's length, so can make the air inlet side of display screen and the temperature of air-out side keep unanimous as far as possible, promote the cooling effect of display screen, and then make the picture colour that the display screen shows even, promote display effect.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
Fig. 1 is a schematic structural diagram of a projector according to an embodiment of the present invention;
FIG. 2 shows a front wind direction schematic view of the display screen of FIG. 1;
Fig. 3 is a schematic structural diagram of a projector according to a second embodiment of the present invention;
Fig. 4 shows a schematic diagram of the front wind direction of the display screen in fig. 3.
Wherein the figures include the following reference numerals:
10. a display screen; 20. a light source; 30. a polarizer; 40. a condenser lens; 50. and (5) a lens.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 and 2, a projector according to an embodiment of the present invention includes a housing, a display screen 10, and an air cooling assembly. Wherein, the display screen 10 is arranged in the shell, and the air cooling component can be arranged in the shell or outside the shell. In this embodiment, the display screen 10 and the air-cooling assembly are both disposed in the housing to protect the air-cooling assembly through the housing. Specifically, the width dimension of display screen 10 is less than the length dimension of display screen 10, dispels the heat and cools down display screen 10 through the air-cooled subassembly, specifically sets up the direction of blowing of air-cooled subassembly to the same with the width extending direction of display screen 10. Specifically, the air-cooled assembly may blow from one side of the display screen 10 to the other side along the width direction of the display screen 10, or may blow along the width direction of the display screen 10 at the same time on both sides of the display screen 10. When the air-cooling components blow air on both sides of the display screen 10 along the width direction of the display screen 10, the blowing direction of the air-cooling components may be toward the inside of the device or toward the outside of the device. So that external cold wind is blown toward the display screen 10 or heat generated from the display screen 10 is led to the outside. Because the length of the width direction of display screen 10 is less than its length direction's length, the direction of blowing through with the forced air cooling subassembly sets up to the same with the width extending direction of display screen 10, compares the direction of blowing of forced air cooling subassembly in prior art and the same mode of the length direction of display screen 10, and the air inlet area of its device is bigger, and whole wind channel shortens for the cooling to the display screen is more even, has improved the cooling effect. In the present embodiment, the width extending direction of the display screen 10 is a direction from the bottom to the top of the display screen 10, and may also be a direction from the top to the bottom.
The projector provided by the embodiment comprises a shell, a display screen 10 and an air cooling assembly. Wherein, the forced air cooling subassembly is used for dispelling the heat to display screen 10, because the length of the width direction of display screen 10 is less than its length direction's length, it is the same with the width extending direction of display screen 10 through the direction of blowing with the forced air cooling subassembly, make the time that wind dwells on display screen 10 shorter, so can make the air inlet side of display screen 10 keep unanimous with the temperature of air-out side as far as possible, the cooling effect of forced air cooling subassembly to display screen 10 has been promoted, and then can avoid the display effect of display screen 10 to be influenced by heat, make the picture colour that display screen 10 shows even, promote display effect.
In order to enable the air cooling assembly to smoothly cool the display screen 10, an air inlet and an air outlet are formed in the shell, the shell is provided with a first surface and a second surface which extend along the length direction of the display screen 10, and the first surface and the second surface are arranged at intervals relatively. In this embodiment, the first surface is located above the second surface, and the air inlet may be disposed on the first surface and/or the second surface of the housing. The air inlet can be arranged on one of the first surface and the second surface of the shell, or can be arranged on the first surface and the second surface of the shell simultaneously. Specifically, air intake and air outlet can be the bar hole, also can be the circular port, and air intake and air outlet can be a plurality ofly, and a plurality of air intakes can be arranged on the casing according to the array or predetermine the shape, and a plurality of air outlets can be arranged on the casing according to the array or predetermine the shape, and the shape, the range of air outlet and air intake can be designed for the same, also can design for the difference.
in this embodiment, the air inlet is disposed on one of the first surface and the second surface of the housing, and the air outlet is correspondingly disposed on the other of the first surface and the second surface of the housing. Specifically, the air inlet is arranged on the second surface of the shell, the air outlet is correspondingly arranged on the first surface of the shell, and the air cooling assembly is also arranged on the second surface of the shell. By adopting the structure, when the air cooling assembly is used for cooling the device, the air cooling assembly can be used for driving the air outside the shell to enter the device from the air inlet formed in the second surface along the width direction of the display screen 10, and after the cooling of the display screen 10 is completed, the air with heat can be discharged from the air outlet formed in the first surface. Specifically, the above structure is suitable for an open type projector. Of course, the air-cooled assembly may be disposed on the first surface of the housing, and the blowing direction of the air-cooled assembly is directed to the outside of the housing, so as to remove the heat of the display screen 10 by the air flow.
As shown in fig. 3 and 4, a second embodiment of the present invention provides a projector, in this embodiment, the housing has a third surface and a fourth surface extending along the width direction of the display screen 10, and the third surface are arranged at an interval. The difference between this embodiment and the first embodiment is that, in this embodiment, air inlets are disposed on the first surface and the second surface of the housing, air outlets are disposed on the third surface and the fourth surface of the housing, and air cooling assemblies are disposed on the first surface and the second surface of the housing. Adopt above-mentioned structure, when needs utilize the air-cooled subassembly to dispel the heat the cooling to display screen 10, can utilize the air-cooled subassembly to provide power to the wind in the casing outside, make wind along the width direction of display screen 10 simultaneously from setting up in the air intake admission gear on first surface and second surface, after the completion is to the heat dissipation cooling of display screen 10, have thermal wind and can discharge from the air outlet that sets up at third surface and fourth surface simultaneously. Specifically, the above structure is suitable for a sealed projector. In other embodiments, the position of the air outlet may also be adjusted according to actual situations, for example, the air outlet of the device may be disposed on only one of the third surface and the fourth surface.
Specifically, the air-cooled assembly includes, but is not limited to, a fan. The fan can provide power for the air, so that the air outside the shell can enter the device from the air inlet, and the air with the heat of the display screen 10 can be discharged from the air outlet after the heat dissipation and cooling of the display screen 10 are completed. In order to further improve the heat dissipation and cooling effects on the display screen 10, the fan may be disposed at the air inlet, and the fan provides power for the air outside the housing, so that the air can smoothly enter the device through the air inlet. And, can also cover above the fan and establish the dust cover to prevent that external impurity from passing through the air intake gets into inside the device.
In order to realize real-time detection of the temperature in the device, the projector further comprises a temperature sensor, and the temperature sensor is arranged in the shell. In this embodiment, temperature sensor sets up in the air intake and the air outlet department of casing to can utilize the temperature sensor who sets up in air intake department to detect the temperature of the wind of getting into the device outside the casing, utilize the temperature sensor who sets up in air outlet department to detect the temperature of the wind after accomplishing the display screen 10 heat dissipation cooling.
And, this projecting apparatus still includes the controller, and the controller setting is in the casing, and the controller is connected with temperature sensor and forced air cooling subassembly electricity respectively. Specifically, the controller is electrically connected with the fan and the temperature sensor respectively. The controller can control the heat dissipation and cooling effects of the display screen 10 by adjusting the rotating speed of the fan according to the measurement data of the temperature sensors arranged at the air inlet and the air outlet. When the temperature sensor detects that the temperature in the device is too high, the rotating speed of the fan can be increased through the controller, so that the heat dissipation and cooling effects on the display screen 10 are improved; when the temperature sensor detects that the temperature in the device can meet the normal working condition, the controller can be utilized to properly reduce the rotating speed of the fan so as to play a role in reducing energy consumption.
In this embodiment, the number of the air inlets is plural, and the plural air inlets are arranged on the first surface and the second surface of the housing at intervals side by side along the length direction of the display screen 10. Adopt above-mentioned structure, when utilizing the forced air cooling subassembly to dispel the heat the cooling to display screen 10, can make wind from the air intake simultaneously the entering device that sets up side by side along the length direction of display screen 10 in, can further promote the heat dissipation cooling effect of forced air cooling subassembly to display screen 10, make wind more even at the surface distribution of display screen 10 to the temperature distribution that makes display screen 10 is more even, can further promote the display effect of display screen 10.
Specifically, the plurality of air inlets on the first surface of the housing and the plurality of air inlets on the second surface are arranged in a one-to-one correspondence or in a staggered manner. In this embodiment, the plurality of air inlets on the first surface of the housing and the plurality of air inlets on the second surface are arranged in a one-to-one correspondence. When utilizing the forced air cooling subassembly to dispel the heat the cooling to display screen 10, the fan of setting up a plurality of air intakes and a plurality of air outlet department on the casing can provide power for external wind, so that outside wind can be from setting up inside a plurality of air intake access devices on first surface and second surface, after the completion is to the heat dissipation of display screen 10, have thermal wind and can discharge from setting up the air outlet on third surface and fourth surface fast, in order to accomplish the heat dissipation cooling to the device. And, can also set up a plurality of air outlets simultaneously on third surface and fourth surface, make the wind that has the heat can be discharged from the device as fast as possible to further promote the heat dissipation cooling efficiency of device.
Specifically, the air cooling assembly further comprises an air guide cover, and the air guide cover is specifically arranged between the air cooling assembly and the display screen 10. The wind scooper can guide the wind blown into the device by the wind cooling assembly, so that the wind can be uniformly distributed on the display screen 10 as much as possible, the heat exchange effect of the display screen 10 is improved, and the overall temperature distribution of the display screen 10 is more uniform.
The projector provided by the embodiment further includes a light source 20, a polarizer 30, a condenser 40, and a lens 50, which are sequentially disposed, and the display screen 10 is disposed between the polarizer 30 and the condenser 40.
The display screen 10 of the projector is 16: the liquid crystal panel of 9 is taken as an example, under the condition that the distance between the display panel 10 and the polarizer 30 and the condenser 40 is not changed. In the projector in the prior art, the distance from the air inlet to the air outlet is 16 units, while in the projector provided in the first embodiment, the distance from the air inlet to the air outlet is 9 units. Since the wind resistance is proportional to the distance, the ratio of the wind resistance of the wind channel of the projector in the prior art to the wind resistance of the wind channel of the projector provided in the first embodiment is 16: 9. Moreover, in the projector in the prior art, the area of the air inlet is 9 unit area, while in the projector provided in this embodiment, the area of the air inlet is 16 unit area, and since the wind resistance is inversely proportional to the area, the ratio of the wind resistance of the air inlet of the projector in the prior art to the wind resistance of the air inlet of the projector provided in the first embodiment is 16: 9. The device provided by the embodiment is applied, so that the wind resistance of the device can be greatly reduced, and the heat dissipation and cooling effects are further improved.
Compared with the prior art, the device provided by the embodiment has the following beneficial effects:
(1) Under the condition that the fan keeps the same rotating speed and air flow, the resistance of air in the device is reduced, and the heat dissipation efficiency can be improved;
(2) the contact area of display screen 10 and cold wind can be increased for the holistic temperature distribution of display screen 10 is more even, thereby makes the colour distribution of display screen 10 more even, has promoted the display effect of device and user's use experience.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A projector, characterized in that the projector comprises:
A housing;
the display screen (10) is arranged in the shell, and the width dimension of the display screen (10) is smaller than the length dimension of the display screen;
The air cooling assembly is arranged in the shell and used for dissipating heat of the display screen (10), and the blowing direction of the air cooling assembly is the same as the width extending direction of the display screen (10).
2. The projector according to claim 1, wherein the housing is provided with an air inlet and an air outlet, the housing has a first surface and a second surface extending along a length direction of the display screen (10), the first surface and the second surface are oppositely arranged at a distance, and the air inlet is arranged on the first surface and/or the second surface of the housing.
3. The projector as claimed in claim 2, wherein the air inlet is disposed on one of the first surface and the second surface of the housing, and the air outlet is correspondingly disposed on the other of the first surface and the second surface of the housing.
4. the projector according to claim 2, wherein the housing has a third surface and a fourth surface extending in a width direction of the display screen (10), the third surface and the fourth surface are oppositely disposed at a distance, and the air outlet is disposed on the third surface and/or the fourth surface of the housing.
5. The projector as claimed in claim 2, wherein the air-cooled assembly includes a fan disposed at the air inlet.
6. The projector as claimed in claim 1, further comprising:
A temperature sensor disposed within the housing, the temperature sensor for measuring a temperature within the housing;
The controller is arranged in the shell, the controller is respectively electrically connected with the temperature sensor and the air cooling assembly, and the controller controls the air cooling assembly according to the measurement data of the temperature sensor.
7. The projector according to claim 2, wherein the air inlet is provided in a plurality, and the air inlet is provided on the first surface and/or the second surface of the housing at intervals along the length direction of the display screen (10).
8. the projector as claimed in claim 7, wherein the plurality of air inlets on the first surface are disposed in a one-to-one correspondence or offset arrangement with the plurality of air inlets on the second surface.
9. The projector as claimed in claim 1, wherein the air-cooled assembly further comprises:
And the wind scooper is arranged between the air cooling assembly and the display screen (10).
10. The projector according to claim 1, further comprising a light source (20), a polarizer (30), a condenser (40), and a lens (50) arranged in sequence, wherein the display screen (10) is arranged between the polarizer (30) and the condenser (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920550116.0U CN209765251U (en) | 2019-04-22 | 2019-04-22 | Projector with a light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920550116.0U CN209765251U (en) | 2019-04-22 | 2019-04-22 | Projector with a light source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209765251U true CN209765251U (en) | 2019-12-10 |
Family
ID=68760242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920550116.0U Active CN209765251U (en) | 2019-04-22 | 2019-04-22 | Projector with a light source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209765251U (en) |
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2019
- 2019-04-22 CN CN201920550116.0U patent/CN209765251U/en active Active
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