CN102508404B - Projection screen device, projection system and control method thereof - Google Patents
Projection screen device, projection system and control method thereof Download PDFInfo
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- CN102508404B CN102508404B CN201110339885.4A CN201110339885A CN102508404B CN 102508404 B CN102508404 B CN 102508404B CN 201110339885 A CN201110339885 A CN 201110339885A CN 102508404 B CN102508404 B CN 102508404B
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- projector
- instruction
- poke rod
- unit
- radio receiving
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Abstract
A projection system comprises a projector and a projection screen device. The projection screen device consists of a cloth screen, a triggering unit and a wireless transmitting unit, the projector comprises a wireless receiving unit and a processing unit; when the cloth screen is closed, the triggering unit triggers the wireless transmitting unit to transmit a first instruction, the wireless receiving unit receives the first instruction, and the processing unit executes first operation according to the first instruction received by the wireless receiving unit; when the cloth screen is opened, the triggering unit triggers the wireless transmitting unit to transmit a second instruction, the wireless receiving unit receives the second instruction, and the processing unit executes second operation according to the second instruction received by the wireless receiving unit; and the projector is switched off or a black screen picture is started according to the first instruction, and the projector is switched on or the black screen picture is removed according to the second instruction. When using the projection system, a user only needs to operate the cloth screen so as to synchronously control the projector, and the projection system is convenient in operation and low in cost.
Description
Technical field
The present invention relates to have the projection curtain device of wireless launcher, use the optical projection system of this projection curtain device, and the control method of this optical projection system.
Background technology
Most of projector use projection screen of need to arranging in pairs or groups, to reach preferably drop shadow effect.
At present, the optical projection system that has a kind of screen of dynamoelectric projection and projector's collocation to use on market, its principle of work is: a remote-control signal transmitter is set in projector, by start or the off signal of detecting projector, the remote signal of opening accordingly projection screen or closing projection screen is sent to the remote signal receiver being arranged on projection screen, and this screen of dynamoelectric projection is controlled screen of dynamoelectric projection according to the remote signal receiving and is opened or close.Yet the high and maintenance of the price of screen of dynamoelectric projection is difficult for, and cannot promote the use of in general subscriber household.
If general manual projection proscenia on employing market, this manual projection curtain be by the drop-down expansion projection screen of people's manual manipulation or on draw gathering projection screen, but, user is when using this manual projection curtain, cannot operate projector and projection screen simultaneously, user can only first open projector and then the projection screen of manually leaving behind, or the projection screen and then open projector of first manually leaving behind, and is not easy to user's operation.
Summary of the invention
The object of the invention is to overcome manual projection curtain and projector collocation in prior art and use the shortcoming of inconvenient operation, a kind of projection screen and projector's automatic coordinated control system are provided, and user only need to just can realize synchro control projector by manual operation projection screen.
For achieving the above object, the present invention adopts following technical scheme:
, comprise cloth curtain, trigger element and wireless transmitting unit, when cloth curtain is closed, this trigger element triggers this wireless transmitting unit and launches the first instruction, and when cloth curtain is opened, this trigger element triggers this wireless transmitting unit and launches the second instruction; This first instruction is for closing projector or opening blank screen picture, and this second instruction is for opening projector or removing blank screen picture.
Preferably, this trigger element comprises the first contact, poke rod and the second contact, and when cloth curtain is closed, this cloth curtain acts on this poke rod makes this poke rod act on this first contact, in order to trigger this wireless transmitting unit, launches the first instruction; When cloth curtain is opened, this cloth curtain acts on this poke rod makes this poke rod act on this second contact, in order to trigger this wireless transmitting unit, launches the second instruction.
Preferably, described poke rod comprises end and bendable portion, described the first contact is arranged at the first side of this poke rod, described the second contact is arranged at the second side of this poke rod, this first side is relative with the second side, when cloth curtain is closed to this first side direction, the end phase mutual friction of this cloth curtain and this poke rod, thereby the bendable portion that drives this poke rod makes the end of this poke rod act on this first contact to the direction bending of this first side, when cloth curtain is opened to the direction of this second side, the end phase mutual friction of this cloth curtain and this poke rod, the bendable portion that drives this poke rod makes the end of this poke rod act on this second contact to the direction bending of this second side.
A kind of optical projection system, comprise projector and projection curtain device as described above, described projector comprises radio receiving unit and processing unit, when described radio receiving unit receives the first instruction of this wireless transmitting unit transmitting, the first operation is carried out in this first instruction that this processing unit receives according to this radio receiving unit; When described radio receiving unit receives the second instruction of this wireless transmitting unit transmitting, the second operation is carried out in this second instruction that this processing unit receives according to this radio receiving unit.
Preferably, this projector more comprises detecting unit, described detecting unit is used for detecting projector's state, when described radio receiving unit receives this first instruction, if detecting unit detects projector in off-mode, this first is operating as and does not do any action, if detecting unit detects projector in open state, this first is operating as and opens blank screen picture.
When this radio receiving unit receives this second instruction, if detecting unit detects projector in open state, this second is operating as and removes blank screen picture, if detecting unit detects projector in off-mode, this second is operating as and opens projector.
Preferably ，Gai projector more comprises timing unit, and in order to set the ticket reserving time, when detecting unit detects projector when opening the state of blank screen picture and reaching this ticket reserving time, this processing unit is carried out the operation of closing projector.
A kind of control method of optical projection system, this optical projection system comprises projector and projection curtain device, it is characterized in that ，Gai projector comprises radio receiving unit and processing unit, this projection curtain device comprises cloth curtain, trigger element and wireless transmitting unit, and this control method comprises:
Step (1) is when opening this cloth curtain, this trigger element triggers this wireless transmitting unit and launches the second instruction, this radio receiving unit receives this second instruction, and this second instruction that this processing unit receives according to this radio receiving unit is carried out and opened projector or remove blank screen picture;
Step (2) is when closed this cloth curtain, this trigger element triggers this wireless transmitting unit and launches the first instruction, this radio receiving unit receives this first instruction, and this first instruction that this processing unit receives according to this radio receiving unit is carried out and closed projector or open blank screen picture.
Preferably, this projector more comprises detecting unit, this step (1) also comprises: when this radio receiving unit receives this second instruction, the state of this detecting unit detecting projector, if detecting unit detects projector in open state, this processing unit is carried out and is removed blank screen picture, if detecting unit detects projector in off-mode, processing unit is carried out and opened projector.
Preferably, this step (2) also comprises: when this radio receiving unit receives this first instruction, the state of this detecting unit detecting projector, if detecting unit detects projector in off-mode, processing unit is not carried out any action, if detecting unit detects projector in open state, processing unit is carried out and is opened blank screen picture.
Preferably, this projector more comprises timing unit, can preset the schedule time, this step (2) also comprises: when detecting unit detects projector when opening the state of blank screen picture and reaching the ticket reserving time, this processing unit is carried out the operation of closing projector.
The invention has the beneficial effects as follows that user only need to just can realize synchro control projector by operation cloth curtain, easy to operate and cost is low, be suitable for promoting the use of at general subscriber household, market outlook are larger.
Accompanying drawing explanation
Fig. 1 is the structural representation of the projection curtain device of preferred embodiment of the present invention;
Fig. 2 is the positive perspective view of the wireless transmitting unit of preferred embodiment of the present invention;
Fig. 3 is the perspective view at the back side of the wireless transmitting unit of preferred embodiment of the present invention;
Fig. 4 is the side structure schematic diagram of the projection screen of preferred embodiment of the present invention while not leaving behind;
Fig. 5 is the side structure schematic diagram of the projection screen of preferred embodiment of the present invention when drop-down;
Fig. 6 is the side structure schematic diagram while drawing on the projection screen of preferred embodiment of the present invention;
Fig. 7 is the structural representation of the optical projection system of preferred embodiment of the present invention.
Fig. 8 is the control method schematic diagram of the optical projection system of preferred embodiment of the present invention.
Embodiment
For making that object of the present invention, structure, feature and function thereof are had to further understanding, hereby coordinate embodiment to be described in detail as follows.
As Fig. 1, structural representation for the projection curtain device of preferred embodiment of the present invention, this projection curtain device comprises accommodates shell 11, be used for accommodating cloth curtain 12, accommodate and on shell 11, be provided with bar-shaped trough (not illustrating in figure), cloth curtain 12 can be opened downwards or be made progress closed by this bar-shaped trough, the cloth curtain of this preferred embodiment is vertically to open or closure, cloth curtain of the present invention is not limited to this, cloth curtain can be also that along continuous straight runs is opened or closure, cloth curtain 12 comprises view field 121 and frame region 122, wireless transmitting unit 13 is arranged at this and accommodates on shell 11 adjacent with the frame region 122 of cloth curtain 12.The not specific restriction in wireless transmitting unit 13 position, as long as can realize unlatching or the closed trigger element work that can trigger this projection curtain device of cloth curtain, in Bu Mu12 bottom surface, be provided with handle 15, facilitate user upwards or pull down projection screen.
As Fig. 2, Fig. 3 is the perspective view of this wireless transmitting unit 13, this wireless transmitting unit 13 comprises body 131, in the front of body 131, be provided with wireless transmit 132, in the body 131 back side, be provided with trigger element, described trigger element is by poke rod 133, the first contact 134 and the second contact 135 form, the first contact 134 is arranged at the top of poke rod 133, the second contact 135 is arranged at the below of poke rod 133, poke rod 133 comprises end 1332 and bendable portion 1331, when being bent upwards, the bendable portion 1331 of poke rod 133 can contact with the first contact 134 Shi Qi end 1332, when being bent downwardly, the bendable portion 1331 of poke rod 133 can contact with the second contact 135 Shi Qi end 1332, when poke rod 133 acts on the first contact 134 or the second contact 135, trigger this wireless transmitting unit 13 corresponding the first instruction of transmitting or the second instructions.The end 1332 of poke rod is one-body molded with bendable portion 1331, and the material of this poke rod is soft materials, and as soft plastic material or quality of rubber materials, the poke rod in this preferred embodiment is quality of rubber materials.
Fig. 4 is the side structure schematic diagram of the projection screen of preferred embodiment of the present invention while not leaving behind, as shown in Figure 4, wireless transmitting unit 13 is arranged at accommodates shell 11 bottom surface, and the body 131 of wireless transmitting unit 13 vertically arranges, and near the bar-shaped trough (not illustrating in figure) of accommodating shell 11.
When poke rod 133 acts on this first contact 134, trigger this wireless transmitting unit and send the first instruction, this first instruction is for closing projector or opening blank screen picture, when poke rod 133 acts on this second contact 135, trigger this wireless transmitting unit and send the second instruction, this second instruction is for opening projector or removing blank screen picture.
Fig. 5 is the side structure schematic diagram of projection screen when drop-down, when user is left behind cloth curtain 12, cloth curtain 12 contacts with poke rod 133 end 1332, and in the drop-down process of cloth curtain 12, between poke rod 133 end 1332 and cloth curtain 12, produce relative friction, thereby the traction that poke rod 133 end 1332 is subject to friction force moves downward and drives the bendable portion 1331 of poke rod 133 to be bent downwardly, when this bendable portion 1331 bends to certain flexibility, poke rod 133 end 1332 contacts and presses this second contact with the second contact 135, trigger this wireless transmitting unit 13 transmitting the second instructions.
Fig. 6 is the side structure schematic diagram while drawing on projection screen, when the upper granny rag curtain 12 of user, at the beginning, elastic-restoring force due to the bendable portion 1331 of poke rod 133, the bendable portion 1331 that makes poke rod 133 end 1332 depart from the second contacts 135 and this poke rod 133 in the process of elastic recovery, brake poke rod 133 end 1332 make its by cloth curtain 12 to extrapolation, while drawing on cloth curtain 12 continues, between poke rod 133 end 1332 and cloth curtain 12, produce relative friction, thereby the traction that poke rod 133 end 1332 is subject to friction force moves upward and drives the bendable portion 1331 of poke rod 133 to be bent upwards, when this bend bends to certain flexibility, poke rod 133 end 1332 contacts and presses this first contact with the first contact 134, trigger this wireless transmitting unit 13 transmitting the first instructions.
On projection screen, draw or drop-down process in, in order to increase mutual friction force between poke rod 133 end 1332 and cloth curtain 12, draw or drop-down projection screen on can be obliquely, that is, make projection screen and vertical direction produce an angle.
As Fig. 7, it is a kind of optical projection system, this optical projection system comprises projection curtain device as above and projector, and described projection curtain device comprises cloth curtain, trigger element and wireless transmitting unit, and described projector comprises radio receiving unit, processing unit, detecting unit and timing unit.
Fig. 8 is the schematic diagram of the control method of this optical projection system, a kind of control method of optical projection system, this optical projection system comprises projector and projection curtain device, when opening this cloth curtain, this trigger element triggers this wireless transmitting unit and launches the second instruction, concrete as Fig. 5, under user during granny rag curtain 12, poke rod 133 end 1332 acts on second contact 135 these wireless transmitting unit 13 of triggering and sends the second instruction, this radio receiving unit receives this second instruction, this second instruction that this processing unit receives according to this radio receiving unit is carried out and is opened projector or remove blank screen picture, when closed this cloth curtain, this trigger element triggers this wireless transmitting unit and launches the first instruction, concrete as Fig. 6, when the upper granny rag curtain 12 of user, poke rod 133 end 1332 acts on first contact 134 these wireless transmitting unit 13 of triggering and sends the first instruction, this radio receiving unit receives this first instruction, and this first instruction that this processing unit receives according to this radio receiving unit is carried out and closed projector or open blank screen picture.
When this radio receiving unit receives this second instruction, the state of this detecting unit detecting projector, if detecting unit detects projector in open state, this processing unit is carried out and is removed blank screen picture, if detecting unit detects projector in off-mode, processing unit is carried out and is opened projector.
When this radio receiving unit receives this first instruction, the state of this detecting unit detecting projector, if detecting unit detects projector in off-mode, processing unit is not carried out any action, if detecting unit detects projector in open state, processing unit is carried out and is opened blank screen picture.
This projector is provided with timing unit, can preset the schedule time, and when detecting unit detects projector when opening the state of blank screen picture and reaching the ticket reserving time, this processing unit is carried out the operation of closing projector.
This wireless launcher is infrared launcher, and radio receiver is infrared receiving device; Or this wireless launcher is Bluetooth transmission device, radio receiver is bluetooth receiving trap.
Utilize optical projection system of the present invention, user only need to just can realize synchro control projector by operation cloth curtain, has simplified the mode of operation of projector's complexity, easy to operate and cost is low.
The present invention is described by above-mentioned related embodiment, yet above-described embodiment is only for implementing example of the present invention.Must be pointed out that, the embodiment having disclosed does not limit the scope of the invention.On the contrary, the change done without departing from the spirit and scope of the present invention and retouching, all belong to scope of patent protection of the present invention.
Claims (11)
1. a projection curtain device, comprise cloth curtain, it is characterized in that, this projection curtain device more comprises trigger element and wireless transmitting unit, when cloth curtain is closed, this trigger element triggers this wireless transmitting unit and launches the first instruction, and when cloth curtain is opened, this trigger element triggers this wireless transmitting unit and launches the second instruction; This first instruction is for closing projector or opening blank screen picture, and this second instruction is for opening projector or removing blank screen picture.
2. projection curtain device as claimed in claim 1, it is characterized in that, this trigger element comprises the first contact, poke rod and the second contact, when cloth curtain is closed, this cloth curtain acts on this poke rod makes this poke rod act on this first contact, in order to trigger this wireless transmitting unit, launches the first instruction; When cloth curtain is opened, this cloth curtain acts on this poke rod makes this poke rod act on this second contact, in order to trigger this wireless transmitting unit, launches the second instruction.
3. projection curtain device as claimed in claim 2, it is characterized in that, described poke rod comprises end and bendable portion, described the first contact is arranged at the first side of this poke rod, described the second contact is arranged at the second side of this poke rod, this first side is relative with the second side, when cloth curtain is closed to this first side direction, the end phase mutual friction of this cloth curtain and this poke rod, thereby the bendable portion that drives this poke rod makes the end of this poke rod act on this first contact to the direction bending of this first side, when cloth curtain is opened to the direction of this second side, the end phase mutual friction of this cloth curtain and this poke rod, the bendable portion that drives this poke rod makes the end of this poke rod act on this second contact to the direction bending of this second side.
4. an optical projection system, it is characterized in that, comprise projector and the projection curtain device as described in claim 1-3 any one claim, described projector comprises radio receiving unit and processing unit, when described radio receiving unit receives the first instruction of this wireless transmitting unit transmitting, the first operation is carried out in this first instruction that this processing unit receives according to this radio receiving unit; When described radio receiving unit receives the second instruction of this wireless transmitting unit transmitting, the second operation is carried out in this second instruction that this processing unit receives according to this radio receiving unit.
5. optical projection system as claimed in claim 4, it is characterized in that, this projector more comprises detecting unit, described detecting unit is used for detecting projector's state, when described radio receiving unit receives this first instruction, if detecting unit detects projector in off-mode, this first is operating as and does not do any action, if detecting unit detects projector in open state, this first is operating as and opens blank screen picture.
6. optical projection system as claimed in claim 5, it is characterized in that, when this radio receiving unit receives this second instruction, if detecting unit detects projector in open state, this second is operating as and removes blank screen picture, if detecting unit detects projector in off-mode, this second is operating as and opens projector.
7. optical projection system as claimed in claim 5, it is characterized in that ，Gai projector more comprises timing unit, in order to set the ticket reserving time, when detecting unit detects projector when opening the state of blank screen picture and reaching this ticket reserving time, this processing unit is carried out the operation of closing projector.
8. the control method of an optical projection system, this optical projection system comprises projector and projection curtain device, it is characterized in that ，Gai projector comprises radio receiving unit and processing unit, this projection curtain device comprises cloth curtain, trigger element and wireless transmitting unit, and this control method comprises:
Step (1) is when opening this cloth curtain, this trigger element triggers this wireless transmitting unit and launches the second instruction, this radio receiving unit receives this second instruction, and this second instruction that this processing unit receives according to this radio receiving unit is carried out and opened projector or remove blank screen picture;
Step (2) is when closed this cloth curtain, this trigger element triggers this wireless transmitting unit and launches the first instruction, this radio receiving unit receives this first instruction, and this first instruction that this processing unit receives according to this radio receiving unit is carried out and closed projector or open blank screen picture.
9. the control method of optical projection system as claimed in claim 8, it is characterized in that, this projector more comprises detecting unit, this step (1) also comprises: when this radio receiving unit receives this second instruction, the state of this detecting unit detecting projector, if detecting unit detects projector in open state, this processing unit is carried out and is removed blank screen picture, if detecting unit detects projector in off-mode, processing unit is carried out and is opened projector.
10. the control method of optical projection system as claimed in claim 9, it is characterized in that, this step (2) also comprises: when this radio receiving unit receives this first instruction, the state of this detecting unit detecting projector, if detecting unit detects projector in off-mode, processing unit is not carried out any action, if detecting unit detects projector in open state, processing unit is carried out and opened blank screen picture.
The control method of 11. optical projection systems as claimed in claim 10, it is characterized in that, this projector more comprises timing unit, the schedule time can be preset, this step (2) also comprises: when detecting unit detects projector when opening the state of blank screen picture and reaching the ticket reserving time, this processing unit is carried out the operation of closing projector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110339885.4A CN102508404B (en) | 2011-11-02 | 2011-11-02 | Projection screen device, projection system and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110339885.4A CN102508404B (en) | 2011-11-02 | 2011-11-02 | Projection screen device, projection system and control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102508404A CN102508404A (en) | 2012-06-20 |
| CN102508404B true CN102508404B (en) | 2014-01-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201110339885.4A Expired - Fee Related CN102508404B (en) | 2011-11-02 | 2011-11-02 | Projection screen device, projection system and control method thereof |
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| CN (1) | CN102508404B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104917987A (en) * | 2015-07-03 | 2015-09-16 | 广景视睿科技（深圳）有限公司 | Projection control method and projection apparatus |
| CN207283721U (en) * | 2016-10-20 | 2018-04-27 | 深圳市光峰光电技术有限公司 | Projector equipment |
| CN113259641A (en) * | 2021-04-25 | 2021-08-13 | 青岛海信激光显示股份有限公司 | Laser television control method, master control device and laser television |
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| CN2802548Y (en) * | 2004-08-13 | 2006-08-02 | 黑龙江金辰科技有限公司 | Automatic detection device for coat working state of electric screen |
| DE102006032052A1 (en) * | 2006-07-10 | 2008-01-17 | Michael Braun | System for control of motor propelled screen devices, comprises projector and screen device, where system has power detection device for detecting power of projector |
| CN201203753Y (en) * | 2008-05-16 | 2009-03-04 | 极品影视设备科技(深圳)有限公司 | Low-voltage drive control system for projection screen |
| CN201203752Y (en) * | 2008-05-16 | 2009-03-04 | 极品影视设备科技(深圳)有限公司 | Intelligent control apparatus for projection screen |
| CN201315001Y (en) * | 2008-12-19 | 2009-09-23 | 李应刚 | Free controllable projector system |
| CN201425695Y (en) * | 2009-04-15 | 2010-03-17 | 深圳市白雪投影显示技术有限公司 | Projector and electric screen automatic interlocking control device |
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2011
- 2011-11-02 CN CN201110339885.4A patent/CN102508404B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2802548Y (en) * | 2004-08-13 | 2006-08-02 | 黑龙江金辰科技有限公司 | Automatic detection device for coat working state of electric screen |
| DE102006032052A1 (en) * | 2006-07-10 | 2008-01-17 | Michael Braun | System for control of motor propelled screen devices, comprises projector and screen device, where system has power detection device for detecting power of projector |
| CN201203753Y (en) * | 2008-05-16 | 2009-03-04 | 极品影视设备科技(深圳)有限公司 | Low-voltage drive control system for projection screen |
| CN201203752Y (en) * | 2008-05-16 | 2009-03-04 | 极品影视设备科技(深圳)有限公司 | Intelligent control apparatus for projection screen |
| CN201315001Y (en) * | 2008-12-19 | 2009-09-23 | 李应刚 | Free controllable projector system |
| CN201425695Y (en) * | 2009-04-15 | 2010-03-17 | 深圳市白雪投影显示技术有限公司 | Projector and electric screen automatic interlocking control device |
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| CN102508404A (en) | 2012-06-20 |
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