CN110430379B - Laser television capable of automatically adjusting projection size and direction - Google Patents
Laser television capable of automatically adjusting projection size and direction Download PDFInfo
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- CN110430379B CN110430379B CN201910753491.XA CN201910753491A CN110430379B CN 110430379 B CN110430379 B CN 110430379B CN 201910753491 A CN201910753491 A CN 201910753491A CN 110430379 B CN110430379 B CN 110430379B
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- 230000007246 mechanism Effects 0.000 claims abstract description 32
- 238000006073 displacement reaction Methods 0.000 claims abstract description 14
- 230000008859 change Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 208000020564 Eye injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/64—Constructional details of receivers, e.g. cabinets or dust covers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
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- Engineering & Computer Science (AREA)
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Abstract
The invention provides a laser television capable of automatically adjusting projection size and direction, which comprises a laser projection box and a projection screen; the laser projection box comprises a shell, a projection lens arranged on one side of the shell, a horizontal adjusting mechanism connected with the shell and enabling the projection lens to horizontally move in the direction parallel to a projection screen, a lifting platform fixed on the horizontal adjusting mechanism and used for adjusting the height of the projection lens, an angular displacement sensor used for detecting the inclination angle of the projection lens and a micro control unit connected with the angular displacement sensor; and the micro control unit respectively controls the horizontal adjusting mechanism and the lifting platform to move so as to adjust the direction of the projection lens. The invention solves the problem that the projection direction of the laser television is not convenient to adjust.
Description
Technical Field
The invention relates to the technical field of laser televisions, in particular to a laser television capable of automatically adjusting projection size and direction.
Background
Compared with a liquid crystal television, the laser television has the advantages of large screen, light resistance and no eye injury, and brings immersive watching experience to users; compared with a projection device, the projection device has higher definition, can be used under the condition of strong illumination, and has smaller required installation distance when the same screen size is adjusted. According to the relevant data, the sales volume of the laser television in the television market is rapidly increased, and particularly the laser television with the size of more than 80 inches. In the installation process of the laser television, the position of a projection lens or a projection screen needs to be manually moved to accurately project the picture into the area of the projection screen, the process of moving the projection screen and the projection screen is time-consuming and labor-consuming, and the measurement is inconvenient and easy to be inaccurate. Therefore, there is a need for a laser television that can facilitate adjusting the orientation of the projection lens according to the position of the projection screen and improve the accuracy.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a laser television capable of automatically adjusting the projection size and the orientation, which solves the problem that the projection size and the orientation of the laser television are inconvenient to adjust.
In order to achieve the purpose, the invention adopts the following technical scheme:
a laser television capable of automatically adjusting projection size and orientation comprises a laser projection box and a projection screen; the laser projection box comprises a shell, a projection lens arranged on one side of the shell, a horizontal adjusting mechanism connected with the shell and enabling the projection lens to horizontally move in the direction parallel to a projection screen, a lifting platform fixed on the horizontal adjusting mechanism and used for adjusting the height of the projection lens, an angular displacement sensor used for detecting the inclination angle of the projection lens and a micro control unit connected with the angular displacement sensor; and the micro control unit respectively controls the horizontal adjusting mechanism and the lifting platform to move so as to adjust the direction of the projection lens.
Compared with the prior art, the invention has the following beneficial effects: the projection lens moves parallel to the horizontal plane of the projection screen through the horizontal adjusting mechanism so as to adapt to the horizontal position of the projection screen; the height of the projection lens is adjusted through the lifting platform so as to adapt to the height of the projection screen; whether the projection position of the projection lens and the preset position of the projection screen are inclined or not is sensed through the angular displacement sensor, the detection data of the angular displacement sensor are received through the micro control unit and the angular displacement sensor, and the horizontal adjusting mechanism and the lifting platform are respectively controlled to adjust the positions of the projection in the horizontal direction and the vertical direction, so that the direction adjusting efficiency of the laser projection box is improved.
Drawings
FIG. 1 is a schematic diagram of a laser television with automatically adjustable projection size and orientation according to the present invention;
FIG. 2 is a schematic view of a laser projection box;
FIG. 3 is a schematic view of a laser projection box as the linkage;
FIG. 4 is a schematic view of the linkage;
fig. 5 is a schematic diagram of a laser television capable of automatically adjusting projection size and orientation according to the present invention.
The following reference numerals are included: the device comprises a connecting pipe 1, a shell 2, a mounting frame 4, a lifting rod 5, an underframe 6, a projection base 7, a mounting shaft 8, a mounting rod 9, a projection screen 10, a trigger rod 11, a connecting rod 12, a cylinder 13, a movable shaft 14, a lead screw 17 and a nut seat 18.
Detailed Description
The technical solution of the present invention is further explained with reference to the drawings and the embodiments.
As shown in fig. 1 to 4, the present invention provides a laser television capable of automatically adjusting projection size and orientation, which includes a laser projection box and a projection screen 10; the laser projection box comprises a shell 2, a projection lens arranged on one side of the shell 2, a horizontal adjusting mechanism which is connected with the shell 2 and enables the projection lens to horizontally move in the direction parallel to the projection screen 10, a lifting platform which is fixed on the horizontal adjusting mechanism and used for adjusting the height of the projection lens, an angular displacement sensor used for detecting the inclination angle of the projection lens and a micro control unit connected with the angular displacement sensor; and the micro control unit respectively controls the horizontal adjusting mechanism and the lifting platform to move so as to adjust the direction of the projection lens.
Wherein, a cavity is arranged in the shell 2, the horizontal adjusting mechanism is arranged at the bottom of the shell 2, and the shell 2 is fixed on the upper surface of the lifting platform through the horizontal adjusting mechanism; the projection lens is arranged on one side of the shell 2 and is connected with a projection control module, and the micro control unit is connected with the projection control module to control the projection lens to be opened or closed through the projection control module; the angular displacement sensor can be fixed on the projection lens or the shell 2; the micro control unit is fixed inside the shell 2; the angular displacement sensor is a gyroscope sensor.
When the laser projection box is used, the projection screen 10 is fixed on a preset height through a plurality of mounting rods 9 fixed on the mounting base and is arranged opposite to the projection lens of the laser projection box. The laser projection box is placed at a designated position, and the micro control unit adjusts the height of the lifting platform according to the preset height of the projection screen 10, so that the height of the projection lens is matched with the height of the projection screen 10; the micro control unit controls the horizontal adjusting mechanism to adjust the moving distance of the projection lens parallel to the horizontal plane of the projection screen 10 through the preset horizontal position of the projection screen 10, so that the projection picture of the projection lens accords with the horizontal position of the projection screen 10. Because the displacement of the projection lens in the horizontal and vertical directions during projection is respectively adjusted, the installation efficiency of the laser television is improved; the micro control unit calculates the position of the preset projection lens according to the distance between the laser projection box and the projection screen 10, and can be applied to the distance between the laser projection box and the projection screen 10 in a wider range, so that the installation space of the laser television is further saved.
The lifting platform comprises an underframe 6, a mounting shaft 8, a mounting rack 4 and a lifting mechanism; the mounting shaft 8 is respectively connected to one end of the underframe 6 and one end of the mounting rack 4; the lifting mechanism is fixed on the underframe 6, and the control end of the lifting mechanism is connected with the rotating end of the mounting rack 4 so as to control the mounting rack 4 to rotate around the mounting shaft 8; the shell 2 is arranged on the mounting frame 4 through a horizontal adjusting mechanism; a connecting rod 12 for fixing a projection lens is rotatably connected to one side of the shell 2, which is close to the rotating end of the mounting rack 4, and the projection lens is fixed to one end, facing the shell, of the connecting rod 12; the micro control unit controls the rotating end of the connecting rod 12.
Specifically, four projection bases 7 are respectively arranged at four corners of the bottom frame 6; chassis 6 and mounting bracket 4 are the platelike, are equipped with the installation space that is used for holding elevating system on the chassis 6, through locating mounting bracket 4 one side in the installation space of chassis 6 and pass an installation axle 8 simultaneously with the chassis 6 of both sides, will install the axle 8 through mounting nut respectively at installation axle 8 both ends and fix at chassis 6 both ends, realized that mounting bracket 4 is articulated with chassis 6. A connecting pipe 1 is fixed on one side, close to the rotating end of the mounting frame 4, of the shell 2, and the connecting pipe 1 is fixed on the mounting frame 4 through a bolt hole bolt arranged on the base on one side. A movable shaft 14 is fixedly penetrated in the radial direction of the bolt connecting pipe 1, and the axial direction of the movable shaft 14 is parallel to the plane of the projection screen 10; as shown in fig. 4, the middle part of the connecting rod 12 is rotatably connected to the movable shaft 14, and one end of the connecting rod extends out of the connecting pipe 1; the connecting rod 12 extends into the lower part of one end of the shell 2 and is hinged with a vertically arranged trigger rod 11 connected with a piston rod of a cylinder 13 fixed in the shell, and the trigger rod is used for pushing one end of the connecting rod 12, which is positioned in the shell 2, to move up and down, so that the projection lens rotates around a movable shaft 14 along with one end of the connecting rod 12 to realize the adjustment of the orientation angle of the projection lens, and the control end of the cylinder 13 is connected with the micro control unit, so that the projection lens always irradiates the plane where the projection screen 10 is positioned on the front side, and a complete rectangular. Preferably, the connecting pipe 1 is provided with a notch for allowing the end of the connecting rod 12 far away from the housing to pass through when rotating around the movable shaft 14.
The lifting mechanism comprises a lifting rod 5 and a lifting motor (not shown in the figure); the lifting rod 5 is vertically connected between the mounting frame 4 and the underframe 6, and slides along the direction from the rotating end of the mounting frame 4/underframe 6 to the mounting shaft 8 so as to change the rotating angle of the mounting frame 4 around the mounting shaft 8; a motor shaft of the lifting motor is connected with the lifting rod 5 so as to control the lifting rod 5 to move towards the direction close to or far away from the mounting shaft 8; and the control end of the lifting motor is connected with the micro control unit.
Specifically, the opposite sides of the underframe 6 and the mounting rack 4 are respectively provided with a lifting slide rail arranged along the direction from the rotating end of the mounting rack 4 to the mounting shaft 8, and the upper end and the lower end of the lifting rod 5 are respectively connected to the two lifting slide rails in a sliding manner; the lifting motor is fixed on the bottom frame 6. When the lifting motor controls the lifting rod 5 to move towards the direction of the mounting shaft 8, the rotation angle of the mounting frame 4 is increased, and the projection lens moves upwards along with the rotation end of the shell 2, so that the projection picture on the projection screen 10 is raised.
The horizontal adjusting mechanism comprises a lead screw 17 and a rotating motor (not shown in the figures) which are fixed on the mounting frame 4 and are arranged along the axial direction of the mounting shaft 8; the shell 2 is fixed on a nut seat 18 of a lead screw 17; a motor shaft of the rotating motor is fixedly connected with one end of a lead screw 17 so as to control the nut seat 18 to move; and the control end of the rotating motor is connected with the micro control unit.
The two horizontal adjusting mechanisms are arranged, the nut seat 18 is in threaded connection with the lead screw 17, the micro control unit controls the rotating motor to rotate and further drives the lead screw to rotate, so that the nut seat 18 moves back and forth on the lead screw 17, the projection lens moves in a direction parallel to the plane where the projection screen 10 is located, and the horizontal projection position of the projection lens is adjusted.
As shown in fig. 5, the schematic diagram of the laser television principle capable of automatically adjusting the projection size and orientation further includes a voice input module; the voice input module is connected with the micro control unit and used for converting voice information into a control signal and sending the control signal to the micro control unit; the micro control unit is used for converting the control signal into a driving signal and respectively sending the driving signal to control the horizontal adjusting mechanism and the lifting platform.
The projection lens positioning device further comprises a loudspeaker module, wherein the loudspeaker module is connected with the micro control unit and used for playing the deviation angle of the position of the projection lens detected by the micro control unit relative to the preset mounting position of the projection lens.
Preferably, the system further comprises an infrared sensor for detecting the distance between the projection lens and the projection screen 10; the infrared sensor is connected with the micro control unit. It is convenient to adjust the position of the chassis 6 by the detected distance, i.e., adjust the projection size by the distance between the projection lens and the projection screen 10. The infrared sensor is mounted on the laser projection box and the projection screen 10.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (4)
1. A laser television capable of automatically adjusting projection size and orientation comprises a laser projection box and a projection screen; the method is characterized in that: the laser projection box comprises a shell, a projection lens arranged on one side of the shell, a horizontal adjusting mechanism connected with the shell and enabling the projection lens to horizontally move in the direction parallel to a projection screen, a lifting platform fixed on the horizontal adjusting mechanism and used for adjusting the height of the projection lens, an angular displacement sensor used for detecting the inclination angle of the projection lens and a micro control unit connected with the angular displacement sensor; the micro control unit respectively controls the horizontal adjusting mechanism and the lifting platform to move so as to adjust the direction of the projection lens; the lifting platform comprises a bottom frame, a mounting shaft, a mounting frame and a lifting mechanism; the mounting shaft is respectively connected to one end of the underframe and one end of the mounting frame; the lifting mechanism is fixed on the bottom frame, and the control end of the lifting mechanism is connected with the rotating end of the mounting frame so as to control the mounting frame to rotate around the mounting shaft; the shell is mounted on the mounting frame through the horizontal adjusting mechanism; a connecting rod for fixing the projection lens is rotatably connected to one side of the shell, which is close to the rotating end of the mounting rack, and the projection lens is fixed to one end, facing the outside of the shell, of the connecting rod; the micro control unit controls the rotating end of the connecting rod; the lifting mechanism comprises a lifting rod and a lifting motor; the lifting rod is vertically connected between the mounting frame and the underframe and slides along the direction from the rotating end of the mounting frame/underframe to the mounting shaft so as to change the rotating angle of the mounting frame around the mounting shaft; a motor shaft of the lifting motor is connected with the lifting rod so as to control the lifting rod to move towards the direction close to or far away from the mounting shaft; and the control end of the lifting motor is connected with the micro control unit.
2. The laser television capable of automatically adjusting projection size and orientation of claim 1, wherein: the horizontal adjusting mechanism comprises a lead screw and a rotating motor which are fixed on the mounting frame and are arranged along the axial direction of the mounting shaft; the shell is fixed on a nut seat of the lead screw; a motor shaft of the rotating motor is fixedly connected with a lead screw at one end of the lead screw so as to control the nut seat to move; and the control end of the rotating motor is connected with the micro control unit.
3. The laser television capable of automatically adjusting projection size and orientation of claim 1, wherein: also comprises a voice input module; the voice input module is connected with the micro control unit and used for converting voice information into a control signal and sending the control signal to the micro control unit; the micro control unit is used for converting the control signal into a driving signal to respectively control the horizontal adjusting mechanism and the lifting platform.
4. The laser television capable of automatically adjusting projection size and orientation of claim 1, wherein: the projection lens positioning device further comprises a loudspeaker module, wherein the loudspeaker module is connected with the micro control unit and used for playing the deviation angle of the position of the projection lens detected by the micro control unit relative to the preset mounting position of the projection lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910753491.XA CN110430379B (en) | 2019-08-15 | 2019-08-15 | Laser television capable of automatically adjusting projection size and direction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910753491.XA CN110430379B (en) | 2019-08-15 | 2019-08-15 | Laser television capable of automatically adjusting projection size and direction |
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| Publication Number | Publication Date |
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| CN110430379A CN110430379A (en) | 2019-11-08 |
| CN110430379B true CN110430379B (en) | 2021-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910753491.XA Active CN110430379B (en) | 2019-08-15 | 2019-08-15 | Laser television capable of automatically adjusting projection size and direction |
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| CN (1) | CN110430379B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113775890B (en) * | 2020-06-10 | 2023-08-22 | 青岛海信激光显示股份有限公司 | Laser projection equipment |
| CN111953950B (en) * | 2020-08-14 | 2022-06-07 | 青岛海信移动通信技术股份有限公司 | Projection equipment and posture adjusting method of projection lens of projection equipment |
| CN116781872A (en) * | 2022-03-28 | 2023-09-19 | 许丽娟 | Hidden conference system |
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| CN1545640A (en) * | 2002-06-10 | 2004-11-10 | 索尼株式会社 | Image projector |
| CN101872108A (en) * | 2010-05-25 | 2010-10-27 | 中兴通讯股份有限公司 | Projector and adjusting method and mobile terminal for display picture thereof |
| CN102183870A (en) * | 2011-04-29 | 2011-09-14 | 广州视声电子科技有限公司 | Method and system for correcting distorted projector image and projector |
| CN103149787A (en) * | 2013-03-13 | 2013-06-12 | 桂林理工大学 | Active optional direction three-dimensional stereoprojection method |
| CN206686318U (en) * | 2017-04-11 | 2017-11-28 | 深圳万播科技有限公司 | A kind of smart projector of angle adjustable |
| CN208619980U (en) * | 2018-07-16 | 2019-03-19 | 珠海立潮新媒体科技有限公司 | A kind of intelligent regulating device of laser television |
| KR20190035131A (en) * | 2017-09-26 | 2019-04-03 | 김종희 | Automatic roll forming system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6742901B2 (en) * | 2001-05-16 | 2004-06-01 | Sony Corporation | Imaging prevention method and system |
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- 2019-08-15 CN CN201910753491.XA patent/CN110430379B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1545640A (en) * | 2002-06-10 | 2004-11-10 | 索尼株式会社 | Image projector |
| CN101872108A (en) * | 2010-05-25 | 2010-10-27 | 中兴通讯股份有限公司 | Projector and adjusting method and mobile terminal for display picture thereof |
| CN102183870A (en) * | 2011-04-29 | 2011-09-14 | 广州视声电子科技有限公司 | Method and system for correcting distorted projector image and projector |
| CN103149787A (en) * | 2013-03-13 | 2013-06-12 | 桂林理工大学 | Active optional direction three-dimensional stereoprojection method |
| CN206686318U (en) * | 2017-04-11 | 2017-11-28 | 深圳万播科技有限公司 | A kind of smart projector of angle adjustable |
| KR20190035131A (en) * | 2017-09-26 | 2019-04-03 | 김종희 | Automatic roll forming system |
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| CN110430379A (en) | 2019-11-08 |
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Effective date of registration: 20240102 Address after: Room 528, Building 2, Innovation Center, Science and Technology City New Area, Mianyang City, Sichuan Province, 621000 Patentee after: Sichuan Changhong Xinwang Technology Co.,Ltd. Address before: 621000 room 529, building 2, innovation center, science and innovation District, Mianyang City, Sichuan Province Patentee before: SICHUAN CHANGHONG NETWORK TECHNOLOGY Co.,Ltd. |