CN210431627U - Front projection type liquid crystal television - Google Patents
Front projection type liquid crystal television Download PDFInfo
- Publication number
- CN210431627U CN210431627U CN201921798332.3U CN201921798332U CN210431627U CN 210431627 U CN210431627 U CN 210431627U CN 201921798332 U CN201921798332 U CN 201921798332U CN 210431627 U CN210431627 U CN 210431627U
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- front projection
- liquid crystal
- fixedly connected
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Abstract
The utility model belongs to the technical field of the LCD TV technique and specifically relates to a front projection formula LCD TV, including preceding projection arrangement and reflection type liquid crystal display panel, preceding projection arrangement is including preceding light source of throwing, preceding light source of throwing is connected with dust cover through translation guiding mechanism, dust cover back fixedly connected with connecting block, the inside cylinder that is fixed with of dust cover, connecting block fixedly connected with pivot, the pivot both sides all are fixed with the bearing, location mounting panel one side is equipped with servo motor, the first gear of servo motor output shaft top fixedly connected with, first gear engagement has the second gear, pivot one side is equipped with angle guiding mechanism. The utility model discloses can use big mixed light distance, the definition of reinforcing image also can realize ultra-thin LCD TV structure, can use polarized light projection lamp to do the preceding light source of throwing simultaneously, realizes the liquid crystal disply of energy-conserving high bright eyeshield.
Description
Technical Field
The utility model relates to a LCD TV technical field especially relates to a front projection type LCD TV.
Background
Present LCD TV all adopts transmission-type liquid crystal, this kind of mode light directly jets into human eye and has the too high problem of light intensity, and the TV is in order to pursue the thickness effect, in the design of being shaded, the mixed light distance undersize, even in order to mix the light, need design very many layers of diaphragms, every layer of diaphragm all can have a lot of absorptions to the energy, in addition in the open air, because ambient light is too strong, lead to the transmitted light relatively weak, display effect greatly reduced, and if adopt the way that increases backlight power to improve display screen luminance, then can consume more energy.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects of eye injury and much energy consumption of the transmission liquid crystal in the prior art and providing a front projection type liquid crystal television.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a front projection type liquid crystal television comprises a front projection device and a reflection type liquid crystal panel, wherein the front projection device is located on one side of the reflection type liquid crystal panel and is fixedly installed on a wall body, the front projection device comprises a front projection source, the front projection source is connected with a dustproof shell in a sleeved mode through a translation guide mechanism, a connecting block is fixedly connected to the back of the dustproof shell, an air cylinder fixedly connected with an output shaft and the front projection source is fixedly arranged inside the dustproof shell, a rotating shaft is fixedly connected with the connecting block, bearings are fixedly arranged on two sides of the rotating shaft, a positioning mounting plate is jointly fixed on the two bearings, a servo motor is arranged on one side of the positioning mounting plate, a first gear is fixedly connected to the top of the output shaft of the servo motor, a second gear is meshed with the first gear, and an angle guide mechanism is arranged on one side.
Preferably, the angle guiding mechanism comprises two arc top side plates respectively fixed with the bearing, one of the arc top side plates is fixedly connected with the servo motor, an arc sliding opening is formed in each arc top side plate, and a guiding rod with the bottom fixed on the dustproof shell is clamped in each arc sliding opening.
Preferably, hinges are fixed on two sides of the top of the front face of the dustproof shell, and the two hinges are fixedly connected with a sealing plate.
Preferably, the translation guide mechanism comprises two guide rails, the two guide rails are respectively fixed on the top surface and the bottom surface inside the dustproof shell, and each guide rail is clamped with a rail groove arranged on the front projection light source.
Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses a preceding projection arrangement is luminous to shine reflection type liquid crystal panel and is made the mode that reflection type liquid crystal panel is like and carry out the image projection, can use big mixed light distance, and the definition of reinforcing image also can realize ultra-thin LCD TV structure, can use the polarized light projection lamp to do preceding projection arrangement simultaneously, realizes the liquid crystal display of energy-conserving high bright eyeshield.
Drawings
Fig. 1 is a schematic view of the working principle of a front projection type lcd tv of the present invention;
fig. 2 is a schematic structural diagram of a front projection device of a front projection type lcd tv of the present invention;
fig. 3 is a partial cross-sectional view of the dust-proof housing of the front projector of the front projection liquid crystal television of the present invention.
In the figure: the front projection device comprises a front projection device 1, a front projection light source 101, a dust-proof housing 102, a connecting block 103, an air cylinder 104, a rotating shaft 105, a bearing 106, a positioning mounting plate 107, a servo motor 108, a first gear 109, a second gear 110, an arc top side plate 111, an arc sliding opening 112, a guide rod 113, a hinge 114, a sealing plate 115, guide rails 116 and 117 and a reflective liquid crystal panel 2.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
As shown in fig. 1-3, a front projection type lcd tv comprises a front projection device 1 and a reflective liquid crystal panel 2, the front projection device 1 is located on one side of the reflective liquid crystal panel 2, and the front projection device 1 is fixedly mounted on a wall, the front projection device 1 comprises a front light source 101, the front light source 101 is connected with a dust-proof housing 102 through a translational guide mechanism, the back of the dust-proof housing 102 is fixedly connected with a connecting block 103, an air cylinder 104 with an output shaft fixedly connected with the front light source 101 is fixed inside the dust-proof housing 102, the connecting block 103 is fixedly connected with a rotating shaft 105, bearings 106 are fixed on both sides of the rotating shaft 105, two bearings 106 are jointly fixed with a positioning mounting plate 107, a servo motor 108 is arranged on one side of the positioning mounting plate 107, a first gear 109 is fixedly connected to the top of the output shaft of the servo motor 108, a second gear 110 is engaged with the first, the front projection type liquid crystal television comprises a front projection device 1 and a reflection type liquid crystal panel 2, wherein a light source is irradiated onto the reflection type liquid crystal panel 2 through the front projection device 1, so that the reflection type liquid crystal panel 2 presents images, the purpose of changing the light mixing distance can be realized by changing the distance between the front projection device 1 and the reflection type liquid crystal panel 2, so that the front projection type liquid crystal television can use a large light mixing distance, the light mixing is uniform, the definition of the images is improved, the energy consumption can be reduced while the ultrathin liquid crystal television structure can be realized because a plurality of layers of diaphragms are not required to be added in the reflection type liquid crystal panel 2, in addition, a polarized light projection lamp can be used as a front projection light source 101, the liquid crystal display function of energy saving, high brightness and eye protection can be realized by arranging the front projection light source 101 in a dustproof shell 102 for carrying out dustproof protection, and when in use, the front projection light source 101 can be ejected by controlling the extension of a cylinder, in addition, the controller controls the servo motor 108 to rotate, so that the irradiation angle of the front projection light source 101 can be adjusted.
The angle guiding mechanism comprises two arc top side plates 111 fixed with the bearing 106 respectively, one of the arc top side plates 111 is fixedly connected with the servo motor 108, an arc sliding opening 112 is formed in each arc top side plate 111, a guiding rod 113 fixed to the dust-proof shell 102 at the bottom is clamped in each arc sliding opening 112, the angle guiding mechanism can help the dust-proof shell 102 to rotate stably, and the angle of the front light source 101 is adjusted conveniently.
The translation guide mechanism comprises two guide rails 116, the two guide rails 116 are respectively fixed on the top surface and the bottom surface inside the dust-proof housing 102, each guide rail 116 is clamped in a rail groove 117 arranged on the front light-projecting source 101, and the front light-projecting source 101 can be directionally moved out of the dust-proof housing 102 through the matching of the guide rails 116 and the rail grooves 117.
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 principles of the present invention may be applied to any other embodiment 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 (4)
1. A front projection type liquid crystal television comprises a front projection device (1) and a reflection type liquid crystal panel (2), and is characterized in that the front projection device (1) is located on one side of the reflection type liquid crystal panel (2), the front projection device (1) is fixedly installed on a wall body, the front projection device (1) comprises a front projection light source (101), the front projection light source (101) is connected with a dustproof shell (102) which is sleeved with the front projection light source through a translation guide mechanism, the back of the dustproof shell (102) is fixedly connected with a connecting block (103), an air cylinder (104) with an output shaft fixedly connected with the front projection light source (101) is fixed inside the dustproof shell (102), the connecting block (103) is fixedly connected with a rotating shaft (105), bearings (106) are fixed on two sides of the rotating shaft (105), a positioning mounting plate (107) is jointly fixed on the two bearings (106), a servo motor (108) is arranged on one side of the positioning mounting plate (, the top of an output shaft of the servo motor (108) is fixedly connected with a first gear (109), the first gear (109) is meshed with a second gear (110), and an angle guide mechanism is arranged on one side of the rotating shaft (105).
2. The front projection type liquid crystal television set according to claim 1, wherein the angle guiding mechanism comprises two arc top side plates (111) respectively fixed with a bearing (106), one of the arc top side plates (111) is fixedly connected with a servo motor (108), each arc top side plate (111) is provided with an arc sliding opening (112), and a guiding rod (113) fixed at the bottom on the dustproof shell (102) is clamped in each arc sliding opening (112).
3. The front projection type liquid crystal television set as claimed in claim 1, wherein hinges (114) are fixed on both sides of the top of the front surface of the dustproof housing (102), and a sealing plate (115) is fixedly connected to the two hinges (114) together.
4. A front projection type lcd tv as claimed in claim 1, wherein the translation guide mechanism comprises two guide rails (116), the two guide rails (116) are fixed on the top and bottom surfaces of the interior of the dust-proof housing (102), and each guide rail (116) is clamped in a rail groove (117) provided on the front projection light source (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921798332.3U CN210431627U (en) | 2019-10-24 | 2019-10-24 | Front projection type liquid crystal television |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921798332.3U CN210431627U (en) | 2019-10-24 | 2019-10-24 | Front projection type liquid crystal television |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210431627U true CN210431627U (en) | 2020-04-28 |
Family
ID=70368743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921798332.3U Active CN210431627U (en) | 2019-10-24 | 2019-10-24 | Front projection type liquid crystal television |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210431627U (en) |
-
2019
- 2019-10-24 CN CN201921798332.3U patent/CN210431627U/en active Active
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