CN204331269U - Be convenient to the light curtain generator be fixed on projection screen - Google Patents
Be convenient to the light curtain generator be fixed on projection screen Download PDFInfo
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- CN204331269U CN204331269U CN201420599447.0U CN201420599447U CN204331269U CN 204331269 U CN204331269 U CN 204331269U CN 201420599447 U CN201420599447 U CN 201420599447U CN 204331269 U CN204331269 U CN 204331269U
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Abstract
The utility model relates to optical technical field, is specifically related to light curtain technology.Be convenient to the light curtain generator be fixed on projection screen, comprise a shell, using shell as light curtain generator shell; Light curtain generator shell side is provided with a fixed mechanism; Be provided with an at least one infrared word line laser device in light curtain generator shell, light curtain generator shell is provided with the light-emitting window that the laser for an infrared word line laser device penetrates, and light-emitting window is positioned at the side relative with fixed mechanism side.Can be realized by above-mentioned design, when employing finger or other touch parts touch curtains, finger or other touch parts are illuminated, and then form infrared light spot, and then make the camera system identification of responsible image collection, and then identify touch point.By above-mentioned design, solving existing projection screen touch system needs laser pen or infrared pen just workable technology barriers.
Description
Technical field
The utility model relates to optical technical field, is specifically related to light curtain technology.
Background technology
Projection screen is one of product the most often used in projector's peripheral equipment, and projection screen is the abbreviation of projection screen; If projection screen is arranged in pairs or groups proper with projector, the drop shadow effect of high-quality can be obtained.
Projection screen generally can be divided into reflective, transmission-type two class; Reflective for just throwing, transmission-type is used for rear-projection; Just throw curtain and be divided into again plane curtain, camber curtain; Plane curtain can be divided into glass bead screen, metal curtain, embossing plastics curtain, elasticity curtain etc. (embossing plastics be divided into whitely to mould, ash is moulded, silver moulds) quality.
Present touching technique is extensively popularized, but because some technical matterss, existing projection screen is difficult to realize touching.Because which limit the use of user, and limit the universal of shadow casting technique.
Although have existing a kind of by the infrared light spot on camera collection projection screen, and then identify the technology of touch point, infrared light spot needs laser pen, or infrared touch pen presents.When directly using finger or other non-luminous touch parts to touch projection screen, the camera being responsible for gathering touch signal is difficult to response.
Utility model content
The purpose of this utility model is to provide a kind of light curtain generator being convenient to be fixed on projection screen, to solve the problems of the technologies described above.
The utility model can realize by the following technical solutions:
Be convenient to the light curtain generator be fixed on projection screen, it is characterized in that, comprise a shell, using described shell as light curtain generator shell;
Described light curtain generator shell side is provided with a fixed mechanism;
An at least one infrared word line laser device is provided with in described light curtain generator shell, described light curtain generator shell is provided with the light-emitting window that the laser for a described infrared word line laser device penetrates, and described light-emitting window is positioned at the side relative with described fixed mechanism side.
Can be realized by above-mentioned design, when employing finger or other touch parts touch curtains, finger or other touch parts are illuminated, and then form infrared light spot, and then make the camera system identification of responsible image collection, and then identify touch point.
By above-mentioned design, solve existing projection screen touch system, need laser pen or infrared pen just workable technology barriers.
Can be set to, comprise at least two infrared word line laser device.And there is overlapping region in the light face of at least two infrared word line laser device, and not overlapping region.Large not to solve the overlay area, light face that an infrared word line laser device formed, there is the problem touching dead angle.The problem that an infrared word line laser device luminous power is inadequate can also be solved.
Described overlapping region is the overlapping region of anterior-posterior projection relation.Using on projection screen, can be from curtain front projection to the overlapping region of the projection relation curtain.
Can be set to further, be provided with two described infrared word line laser device, and the lighting angle of two described infrared word line laser device all be greater than 85 degree, is less than 150 degree.
A described infrared word line laser device irradiation area, covers at least 80% area on the left of described curtain axis; Described in another, an infrared word line laser device irradiation area, covers at least 80% area on the right side of described curtain axis.The area covering curtain also refers to the area projecting to and curtain covers.
Further, a described infrared word line laser device irradiation area, covers on the left of described curtain top; Described in another, an infrared word line laser device irradiation area, covers on the right side of described curtain top.
Can also be set to, be provided with three described infrared word line laser device, and the lighting angle of three described infrared word line laser device all be greater than 60 degree, is less than 140 degree.
The utility model is convenient to exist on protruding projection curtain device at curtain periphery install.Such as can be arranged on the curtain outer cover of the relative protrusion above or below being positioned at.Light curtain can be formed easily in curtain front.
Such as, described fixed mechanism is positioned at the upper side of described light curtain generator shell, then described light-emitting window is positioned at the side, below of described light curtain generator shell.The light emission direction of a described infrared word line laser device down.
For another example, described fixed mechanism is positioned at the side, below of described light curtain generator shell, then described light-emitting window is positioned at the upper side of described light curtain generator shell.The light emission direction of a described infrared word line laser device upward.
Described fixed mechanism, can adopt bolt fixing mechanism, rivet fixing machine structure, connect and fix mechanism, at least one in sucker fixing mechanism, magnetic force fixed mechanism, snap close fixed mechanism.
Described light curtain generator shell is provided with the side of fixed mechanism, is provided with at least two fixing threaded holes.
Described light curtain generator shell is provided with the side of fixed mechanism, is provided with at least one chimb, and described chimb is provided with fixing threaded hole.Preferably on the both sides that described light curtain generator shell is provided with the side of fixed mechanism, chimb is set respectively, the chimb on both sides is respectively equipped with fixing threaded hole.
Described light curtain generator shell is provided with the side of fixed mechanism, is provided with at least one piece of permanent magnetic iron.
Described light curtain generator shell is provided with the side of fixed mechanism, is provided with at least one sucker.
Described light curtain generator shell is provided with the side of fixed mechanism, is provided with at least one bonding glue-line.
Described light curtain generator shell is provided with the side of fixed mechanism, is provided with at least one draw-in groove or dop, is also provided with dop or the draw-in groove of coupling in addition.
Dop or the draw-in groove of coupling are provided with screw.For being fixed on curtain outer cover.Thus realize described light curtain generator shell and can mount and dismount on curtain outer cover easily.
The screw that the dop of coupling or draw-in groove are provided with, after the described light curtain generator shell of loading, is blocked by described light curtain generator shell.Attractive in appearance to ensure.
Described light curtain generator shell is also provided with cooling system.The refrigerating plant of cooling system can be at least one in cooling fan, electronic refrigerating sheet.
Be preferably, be provided with electronic refrigerating sheet and cooling fan simultaneously.
Described light curtain generator shell comprises a metab, and a described infrared word line laser device is fixed on described metab.So that dispelled the heat by metab.
A described infrared word line laser device connects power-supply system by driving circuit.Described driving circuit can comprise protection circuit.Comprise such as mu balanced circuit, current-limiting circuit etc.
Described driving circuit can also comprise an oscillating signal generating circuit, an infrared word line laser device described in described oscillating signal generating circuit control linkage.An infrared word line laser device is driven to send the light signal of flicker.
Described driving circuit connects a power-supply system, and described power-supply system comprises one as the transformer outside light curtain generator shell.
Or described driving circuit connects a power-supply system, described power-supply system comprises a powered battery module, and the power output end of described powered battery module connects the power input of described driving circuit.Use so that depart from mains-supplied.
Described powered battery module, can adopt at least one in accumulator or dry cell.
Described powered battery module adopts accumulator, and described power-supply system is provided with a charge in batteries mechanism, and described charge in batteries mechanism is provided with power input and power output end, and described power output end connects described accumulator.
Described drive circuit for laser is also provided with the teleswitch mechanism that the described infrared word line laser device of a control is powered.Described teleswitch mechanism can adopt infrared remote control mechanism, Bluetooth remote control mechanism, or at least one in other wireless remote control mechanisms.
The telepilot of described teleswitch mechanism can be external.
The width of the fixed mechanism side of described light curtain generator shell is arranged on 2 ~ 6cm.Drawing projection screen is widely used in so that suitable.
Distance between described fixed mechanism side and light-emitting window side is arranged on 3 ~ 10cm.So that laser spatial arrangement.
A described infrared word line laser device emission of light can form a face in advancing in space, is called light face, or light curtain.
A described infrared word line laser device emission of light forms a light face in space, place, described light face plane, is less than 10 degree with the length direction angle of described light curtain generator shell, is preferably less than 5 degree.This light face, as light curtain.
Further, the luminous end of a described infrared word line laser device is provided with strip convex lens.The length direction of strip convex lens and the length direction angle of described light curtain generator shell are at 85 ~ 95 degree.Ensure vertical as far as possible.
Described light curtain generator shell is also fixed with a touch image acquisition system by an immobilising device, and described touch image acquisition system comprises at least one camera.
By touching the touch image on image acquisition system collection curtain.Particularly gather the image touching the light that part reflective infrared one word line laser device sends, or the light that sends of other infrared light-emitting devices forms the image of infrared light spot on curtain.Thus form the image feedback of touch point, and then response is touch event.
Described touch image acquisition system is provided with a device housings, and described camera is positioned at described device housings, and the image collection direction of described camera is towards stretched curtain direction.
Described touch image acquisition system connects described power-supply system.So that power supply.
Described camera is provided with in described device housings, and infrared image intensifier circuit system.
Described camera front arranges infrared fileter, and the area of described infrared fileter is more than 3 times of camera anterior lens.And described infrared fileter distance lens are greater than 0.5cm, are less than 2cm.To reduce the possibility that anti-camera lens front attachment dirt shuts out the light.
Described immobilising device can adopt a dismountable immobilising device.At least one in Bolt holder part, grafting immobilising device, snap close immobilising device can be adopted.
Described immobilising device can also adopt a collapsible immobilising device.Can adopt a fold concertina-wise mechanism, can be a rotating shaft folding-jib fold mechanism.
After described collapsible immobilising device launches, the distance of the curtain of described camera distance pull-out is between 10cm ~ 40cm.Be preferably 10cm ~ 25cm.
Described camera can adopt wide-angle lens.
Described touch image acquisition system can adopt two described cameras.So that improve recognition effect.
Two described cameras are separately positioned in described device housings.
, there is overlapping region, also there is not overlapping region in the identified region of two described cameras on the curtain of pull-out.So that provide larger effective touch area.
Four described cameras are more preferably set.
Described immobilising device can also be a dismountable collapsible immobilising device.
Described touch image acquisition system is also provided with a wireless communication module, and between described wireless communication module with described camera, signal is connected.So that wirelessly communicate with between computer.
Described wireless communication module can adopt at least one in bluetooth communication, wifi communication module.
Also comprise a computer coalignment, described computer coalignment comprises a crust of the device, is provided with control circuit in described crust of the device, and described control circuit connects a memory module; Described computer matching module is provided with a USB plug, and described USB plug connects described control circuit.
Store in memory module and the match information touching image acquisition system.To reduce, the setting steps even removed computer from and touch between image acquisition system.Even memory module can store touch screen driver software.
Also wireless communication mechanisms is provided with, described wireless communication mechanisms and described radio communication mold Block-matching in described computer coalignment.
Further, be preferably described wireless communication mechanisms adopt one in advance with the wireless communication mechanisms of described radio communication mold Block-matching.The match information of wireless communication mechanisms can store in a storage module.
Described touch image acquisition system comprises a control circuit system, and described control circuit system connects described camera; The control signal output terminal of described drive circuit for laser connects described control circuit system.And be preferably, wired connection.And then carry out interaction both allowing.When such as opening camera, also open a described infrared word line laser device.
Accompanying drawing explanation
Fig. 1 is for ease of being fixed on the light curtain generator external structure schematic diagram on projection screen;
Fig. 2 is using state schematic diagram;
Fig. 3 is provided with the structural representation touching image acquisition system;
Fig. 4 is driving circuit schematic diagram;
Fig. 5 is an infrared word line laser device arrangement schematic diagram in light curtain generator shell.
Embodiment
The technological means, the creation characteristic that realize in order to the utility model, reach object and effect is easy to understand, below in conjunction with concrete diagram, set forth the utility model further.
With reference to Fig. 1, Fig. 2, Fig. 5, be convenient to the light curtain generator be fixed on projection screen, comprise a shell, using shell as light curtain generator shell 1.Light curtain generator shell 1 side is provided with a fixed mechanism 2.Be provided with an at least one infrared word line laser device 4 in light curtain generator shell 1, light curtain generator shell 1 is provided with the light-emitting window 3 that the laser for an infrared word line laser device 4 penetrates, and light-emitting window 3 is positioned at the side relative with fixed mechanism 2 side.
Can be realized by above-mentioned design, when employing finger or other touch parts touch curtains 10, finger or other touch parts are illuminated, and then form infrared light spot, and then make the camera system identification of responsible image collection, and then identify touch point.By above-mentioned design, solve existing projection screen touch system, need laser pen or infrared pen just workable technology barriers.By above-mentioned design, be convenient to exist on protruding projection curtain device at curtain 10 periphery install.Such as can be arranged on the curtain outer cover 11 of the relative curtain protrusion be positioned at above or below curtain.Light curtain can be formed easily in curtain 10 front.
Such as, fixed mechanism 2 is positioned at the upper side of light curtain generator shell 1, then light-emitting window 3 is positioned at the side, below of light curtain generator shell 1.The light emission direction of an infrared word line laser device 4 down.
For another example, fixed mechanism 2 is positioned at the side, below of light curtain generator shell 1, then light-emitting window 3 is positioned at the upper side of light curtain generator shell 1.The light emission direction of an infrared word line laser device 4 upward.
Fixed mechanism 2, can adopt bolt fixing mechanism, rivet fixing machine structure, connect and fix mechanism, at least one in sucker fixing mechanism, magnetic force fixed mechanism, snap close fixed mechanism.
Specific design can be:
(1) light curtain generator shell 1 is provided with the side of fixed mechanism 2, is provided with at least two fixing threaded holes.
(2) light curtain generator shell 1 is provided with the side of fixed mechanism 2, is provided with at least one chimb, chimb is provided with fixing threaded hole.Preferably on the both sides that light curtain generator shell 1 is provided with the side of fixed mechanism 2, chimb is set respectively, the chimb on both sides is respectively equipped with fixing threaded hole.
(3) light curtain generator shell 1 is provided with the side of fixed mechanism 2, is provided with at least one piece of permanent magnetic iron.
(4) light curtain generator shell 1 is provided with the side of fixed mechanism 2, is provided with at least one sucker.
(5) light curtain generator shell 1 is provided with the side of fixed mechanism 2, is provided with at least one bonding glue-line.
(6) light curtain generator shell 1 is provided with the side of fixed mechanism 2, is provided with at least one draw-in groove or dop, is also provided with dop or the draw-in groove of coupling in addition.Dop or the draw-in groove of coupling are provided with screw.For being fixed on curtain outer cover 11.Thus realize light curtain generator shell 1 can easily on curtain outer cover 11 mount and dismount.The screw that the dop of coupling or draw-in groove are provided with, after loading light curtain generator shell 1, is blocked by light curtain generator shell 1.Attractive in appearance to ensure.
Also cooling system is provided with in light curtain generator shell 1.The refrigerating plant of cooling system can be at least one in cooling fan, electronic refrigerating sheet.Be preferably, be provided with electronic refrigerating sheet and cooling fan simultaneously.Light curtain generator shell 1 comprises a metab, and an infrared word line laser device 4 is fixed on metab.So that dispelled the heat by metab.
With reference to Fig. 4, an infrared word line laser device 4 connects power-supply system by driving circuit 5.Driving circuit 5 can comprise protection circuit.Comprise such as mu balanced circuit, current-limiting circuit etc.Driving circuit 5 can also comprise an oscillating signal generating circuit 8, the infrared word line laser device 4 of oscillating signal generating circuit 8 control linkage.An infrared word line laser device 4 is driven to send the light signal of flicker.
Driving circuit 5 connects a power-supply system, and power-supply system comprises one as the transformer outside light curtain generator shell 1.Or driving circuit 5 connects a power-supply system, power-supply system comprises a powered battery module 7, and the power output end of powered battery module 7 connects the power input of driving circuit 5.Use so that depart from mains-supplied.
Powered battery module 7, can adopt at least one in accumulator or dry cell.Powered battery module 7 adopts accumulator, and power-supply system is provided with a charge in batteries mechanism, and charge in batteries mechanism is provided with power input and power output end, and power output end connects accumulator.Drive circuit for laser 5 is also provided with the teleswitch mechanism 9 that the infrared word line laser device 4 of a control is powered.Teleswitch mechanism 9 can adopt infrared remote control mechanism, Bluetooth remote control mechanism, or at least one in other wireless remote control mechanisms.The telepilot of teleswitch mechanism 9 can be external.
The width of fixed mechanism 2 side of light curtain generator shell 1 is arranged on 2 ~ 6cm.Drawing projection screen is widely used in so that suitable.Distance between fixed mechanism 2 side and light-emitting window 3 side is arranged on 3 ~ 10cm.So that laser spatial arrangement.
Infrared word line laser device 4 emission of light can form a face in advancing in space, is called light face, or light curtain.Infrared word line laser device 4 emission of light forms a light face in space, place, light face plane, is less than 10 degree with the length direction angle of light curtain generator shell 1, is preferably less than 5 degree.This light face, as light curtain.Further, the luminous end of an infrared word line laser device 4 is provided with strip convex lens.The length direction of strip convex lens and the length direction angle of light curtain generator shell 1 are at 85 ~ 95 degree.Ensure vertical as far as possible.
With reference to Fig. 5, can be set to, comprise at least two infrared word line laser device 4, and the light face of at least two infrared word line laser device 4 exist overlapping region, and not overlapping region.Large not to solve the overlay area, light face that an infrared word line laser device 4 formed, there is the problem touching dead angle.The problem that infrared word line laser device 4 luminous power is inadequate can also be solved.Overlapping region is the overlapping region of anterior-posterior projection relation.Using on projection screen, can be from curtain 10 front projection to the overlapping region of the projection relation curtain 10.
With reference to Fig. 2, can be set to further, be provided with two infrared word line laser device 4, and the lighting angle of two infrared word line laser device 4 all be greater than 85 degree, is less than 150 degree.Infrared word line laser device 4 irradiation area, covers at least 80% area on the left of curtain 10 axis; Another infrared word line laser device 4 irradiation area, covers at least 80% area on the right side of curtain 10 axis.The area covering curtain 10 also refers to the area projecting to and curtain 10 covers.
Further, infrared word line laser device 4 irradiation area, covers on the left of curtain 10 top; Another infrared word line laser device 4 irradiation area, covers on the right side of curtain 10 top.Can also be set to, be provided with three infrared word line laser device 4, and the lighting angle of three infrared word line laser device 4 all be greater than 60 degree, is less than 140 degree.
With reference to Fig. 3, light curtain generator shell 1 is also fixed with a touch image acquisition system 13 by an immobilising device 12, touches image acquisition system 13 and comprise at least one camera.The touch image on curtain 10 is gathered by touch image acquisition system 13.Particularly gather the image touching the light that part reflective infrared one word line laser device 4 sends, or the light that sends of other infrared light-emitting devices forms the image of infrared light spot on curtain 10.Thus form the image feedback of touch point, and then response is touch event.Touch image acquisition system 13 and be provided with a device housings, camera is positioned at device housings, and the image collection direction of camera is towards stretched curtain 10 direction.Touch image acquisition system 13 and connect power-supply system.So that power supply.Camera is provided with in device housings, and infrared image intensifier circuit system.Camera can adopt wide-angle lens.
Camera front arranges infrared fileter, and the area of infrared fileter is more than 3 times of camera anterior lens.And infrared fileter distance lens are greater than 0.5cm, are less than 2cm.To reduce the possibility that anti-camera lens front attachment dirt shuts out the light.
Immobilising device 12 can adopt a dismountable immobilising device 12.At least one in Bolt holder part 12, grafting immobilising device 12, snap close immobilising device 12 can be adopted.Immobilising device 12 can also adopt a collapsible immobilising device 12.Can adopt a fold concertina-wise mechanism, can be a rotating shaft folding-jib fold mechanism.After collapsible immobilising device 12 launches, the distance of the curtain 10 of camera distance pull-out is between 10cm ~ 40cm.Be preferably 10cm ~ 25cm.
Touch image acquisition system 13 and can adopt two cameras.So that improve recognition effect.Two cameras are separately positioned in device housings., there is overlapping region, also there is not overlapping region in the identified region of two cameras on the curtain 10 of pull-out.So that provide larger effective touch area.Four cameras are more preferably set.
Immobilising device 12 can also be a dismountable collapsible immobilising device.
Touch image acquisition system 13 and be also provided with a wireless communication module, between wireless communication module with camera, signal is connected.So that wirelessly communicate with between computer.Wireless communication module can adopt at least one in bluetooth communication, wifi communication module.
Also comprise a computer coalignment, computer coalignment comprises a crust of the device, is provided with control circuit in crust of the device, and control circuit connects a memory module; Computer matching module is provided with a USB plug, USB plug connection control circuit.
Store in memory module and the match information touching image acquisition system 13.To reduce, the setting steps even removed computer from and touch between image acquisition system 13.Even memory module can store touch screen driver software.Also wireless communication mechanisms is provided with, wireless communication mechanisms and radio communication mold Block-matching in computer coalignment.Further, be preferably wireless communication mechanisms and adopt one in advance and the wireless communication mechanisms of radio communication mold Block-matching.The match information of wireless communication mechanisms can store in a storage module.
Touch image acquisition system 13 and comprise a control circuit system, control circuit system connects camera; The control signal output terminal connection control Circuits System of drive circuit for laser 5.And be preferably, wired connection.And then carry out interaction both allowing.When such as opening camera, also open an infrared word line laser device 4.
More than show and describe ultimate principle of the present utility model and principal character advantage of the present utility model.The technician of the industry should understand the utility model not by the restriction of above-mentioned using method; what describe in above-mentioned using method and instructions just says principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope, the utility model also has various changes and modifications, and these changes and improvements all fall into the claimed scope of the utility model within the scope of claimed the utility model and defined by appending claims and equivalent thereof.
Claims (80)
1. be convenient to the light curtain generator be fixed on projection screen, it is characterized in that, comprise a shell, using described shell as light curtain generator shell;
Described light curtain generator shell side is provided with a fixed mechanism;
An at least one infrared word line laser device is provided with in described light curtain generator shell, described light curtain generator shell is provided with the light-emitting window that the laser for a described infrared word line laser device penetrates, and described light-emitting window is positioned at the side relative with described fixed mechanism side.
2. the light curtain generator being convenient to be fixed on projection screen according to claim 1, is characterized in that: comprise at least two infrared word line laser device.
3. the light curtain generator being convenient to be fixed on projection screen according to claim 2, is characterized in that: the light face of at least two infrared word line laser device exists overlapping region, and not overlapping region;
Described overlapping region is the overlapping region of anterior-posterior projection relation.
4. the light curtain generator being convenient to be fixed on projection screen according to claim 2, is characterized in that: be provided with two described infrared word line laser device, and the lighting angle of two described infrared word line laser device is all greater than 85 degree, is less than 150 degree.
5. the light curtain generator being convenient to be fixed on projection screen according to claim 4, is characterized in that: a described infrared word line laser device irradiation area, cover at least 80% area on the left of the curtain axis of projection screen fixed; Described in another, an infrared word line laser device irradiation area, covers at least 80% area on the right side of described curtain axis;
The area covering curtain refers to the area projecting to and curtain covers.
6. the light curtain generator being convenient to be fixed on projection screen according to claim 4, is characterized in that: a described infrared word line laser device irradiation area, cover on the left of the curtain top of projection screen fixed; Described in another, an infrared word line laser device irradiation area, covers on the right side of described curtain top.
7. the light curtain generator being convenient to be fixed on projection screen according to claim 2, is characterized in that: have three described infrared word line laser device, and the lighting angle of three described infrared word line laser device is all greater than 60 degree, is less than 140 degree.
8. the light curtain generator being convenient to be fixed on projection screen according to claim 1, is characterized in that: be convenient to the light curtain generator be fixed on projection screen and be arranged on the curtain outer cover of the relative protrusion above or below being positioned at.
9. the light curtain generator being convenient to be fixed on projection screen according to claim 1, it is characterized in that: described fixed mechanism is positioned at the upper side of described light curtain generator shell, then described light-emitting window is positioned at the side, below of described light curtain generator shell.
10. the light curtain generator being convenient to be fixed on projection screen according to claim 9, is characterized in that: the light emission direction of a described infrared word line laser device down.
The 11. light curtain generators being convenient to be fixed on projection screen according to claim 1, it is characterized in that: described fixed mechanism is positioned at the side, below of described light curtain generator shell, then described light-emitting window is positioned at the upper side of described light curtain generator shell.
The 12. light curtain generators being convenient to be fixed on projection screen according to claim 11, is characterized in that: the light emission direction of a described infrared word line laser device upward.
The 13. light curtain generators being convenient to be fixed on projection screen according to claim 1, it is characterized in that: described fixed mechanism, adopt bolt fixing mechanism, rivet fixing machine structure, at least one connected and fixed in mechanism, sucker fixing mechanism, magnetic force fixed mechanism, snap close fixed mechanism.
The 14. light curtain generators being convenient to be fixed on projection screen according to claim 13, is characterized in that: described fixed mechanism adopts bolt fixing mechanism.
The 15. light curtain generators being convenient to be fixed on projection screen according to claim 1, is characterized in that: described light curtain generator shell is provided with the side of fixed mechanism, is provided with at least two fixing threaded holes.
The 16. light curtain generators being convenient to be fixed on projection screen according to claim 1, is characterized in that: described light curtain generator shell is provided with the side of fixed mechanism, is provided with at least one chimb, and described chimb is provided with fixing threaded hole.
The 17. light curtain generators being convenient to be fixed on projection screen according to claim 16, is characterized in that: the both sides being provided with the side of fixed mechanism at described light curtain generator shell arrange chimb respectively, and the chimb on both sides is respectively equipped with fixing threaded hole.
The 18. light curtain generators being convenient to be fixed on projection screen according to claim 1, is characterized in that: described light curtain generator shell is provided with the side of fixed mechanism, is provided with at least one piece of permanent magnetic iron.
The 19. light curtain generators being convenient to be fixed on projection screen according to claim 1, is characterized in that: described light curtain generator shell is provided with the side of fixed mechanism, is provided with at least one sucker.
The 20. light curtain generators being convenient to be fixed on projection screen according to claim 1, is characterized in that: described light curtain generator shell is provided with the side of fixed mechanism, are provided with at least one bonding glue-line.
The 21. light curtain generators being convenient to be fixed on projection screen according to claim 1, is characterized in that: described light curtain generator shell is provided with the side of fixed mechanism, is provided with at least one draw-in groove or dop, are also provided with dop or the draw-in groove of coupling in addition.
The 22. light curtain generators being convenient to be fixed on projection screen according to claim 21, is characterized in that: dop or the draw-in groove of coupling are provided with screw.
The 23. light curtain generators being convenient to be fixed on projection screen according to claim 22, is characterized in that: the screw that the dop of coupling or draw-in groove are provided with, and after the described light curtain generator shell of loading, are blocked by described light curtain generator shell.
24. to be fixed on the light curtain generator on projection screen according to being convenient in claim 1-23 described in any one, it is characterized in that: described light curtain generator shell is also provided with cooling system.
The 25. light curtain generators being convenient to be fixed on projection screen according to claim 24, is characterized in that: the refrigerating plant of cooling system is at least one in cooling fan, electronic refrigerating sheet.
The 26. light curtain generators being convenient to be fixed on projection screen according to claim 24, is characterized in that: cooling system is provided with electronic refrigerating sheet and cooling fan simultaneously.
27. to be fixed on the light curtain generator on projection screen according to being convenient in claim 1-23 described in any one, it is characterized in that: described light curtain generator shell comprises a metab, a described infrared word line laser device is fixed on described metab.
28. to be fixed on the light curtain generator on projection screen according to being convenient in claim 1-23 described in any one, it is characterized in that: a described infrared word line laser device connects power-supply system by driving circuit.
The 29. light curtain generators being convenient to be fixed on projection screen according to claim 28, is characterized in that: described driving circuit comprises protection circuit.
The 30. light curtain generators being convenient to be fixed on projection screen according to claim 28, is characterized in that: described driving circuit comprises mu balanced circuit.
The 31. light curtain generators being convenient to be fixed on projection screen according to claim 28, is characterized in that: described driving circuit comprises current-limiting circuit.
The 32. light curtain generators being convenient to be fixed on projection screen according to claim 28, is characterized in that: described driving circuit comprises an oscillating signal generating circuit, an infrared word line laser device described in described oscillating signal generating circuit control linkage.
The 33. light curtain generators being convenient to be fixed on projection screen according to claim 32, is characterized in that: described driving circuit drives an infrared word line laser device to send the light signal of flicker.
The 34. light curtain generators being convenient to be fixed on projection screen according to claim 28, it is characterized in that: described driving circuit connects a power-supply system, described power-supply system comprises one as the transformer outside light curtain generator shell
Or described driving circuit connects a power-supply system, described power-supply system comprises a powered battery module, and the power output end of described powered battery module connects the power input of described driving circuit.
The 35. light curtain generators being convenient to be fixed on projection screen according to claim 34, is characterized in that: described powered battery module, adopt at least one in accumulator or dry cell.
The 36. light curtain generators being convenient to be fixed on projection screen according to claim 35, it is characterized in that: described powered battery module adopts accumulator, described power-supply system is provided with a charge in batteries mechanism, described charge in batteries mechanism is provided with power input and power output end, and described power output end connects described accumulator.
The 37. light curtain generators being convenient to be fixed on projection screen according to claim 28, is characterized in that: described driving circuit is also provided with the teleswitch mechanism that the described infrared word line laser device of a control is powered.
38., according to the light curtain generator being convenient to be fixed on projection screen according to claim 37, is characterized in that: described teleswitch mechanism adopts infrared remote control mechanism, Bluetooth remote control mechanism, or at least one in other wireless remote control mechanisms.
39., according to the light curtain generator being convenient to be fixed on projection screen according to claim 37, is characterized in that: the telepilot of described teleswitch mechanism is external.
40. to be fixed on the light curtain generator on projection screen according to being convenient in claim 1-23 described in any one, it is characterized in that: the width of the fixed mechanism side of described light curtain generator shell is arranged on 2 ~ 6cm.
The 41. light curtain generators being convenient to be fixed on projection screen according to claim 40, is characterized in that: the distance between described fixed mechanism side and light-emitting window side is arranged on 3 ~ 10cm.
42. to be fixed on the light curtain generator on projection screen according to being convenient in claim 1-23 described in any one, it is characterized in that: a described infrared word line laser device emission of light can form a face in advancing in space, is called light face, or light curtain.
The 43. light curtain generators being convenient to be fixed on projection screen according to claim 42, it is characterized in that: a described infrared word line laser device emission of light forms a light face in space, place, described light face plane, is less than 10 degree with the length direction angle of described light curtain generator shell.
The 44. light curtain generators being convenient to be fixed on projection screen according to claim 43, it is characterized in that: a described infrared word line laser device emission of light forms a light face in space, place, described light face plane, is less than 5 degree with the length direction angle of described light curtain generator shell.
45. to be fixed on the light curtain generator on projection screen according to being convenient in claim 1-23 described in any one, it is characterized in that: the luminous end of a described infrared word line laser device is provided with strip convex lens.
The 46. light curtain generators being convenient to be fixed on projection screen according to claim 45, is characterized in that: the length direction of strip convex lens and the length direction angle of described light curtain generator shell are at 85 ~ 95 degree.
47. to be fixed on the light curtain generator on projection screen according to being convenient in claim 1-23 described in any one, it is characterized in that: described light curtain generator shell is also fixed with a touch image acquisition system by an immobilising device, and described touch image acquisition system comprises at least one camera.
The 48. light curtain generators being convenient to be fixed on projection screen according to claim 47, is characterized in that: touch the touch image on image acquisition system collection curtain.
The 49. light curtain generators being convenient to be fixed on projection screen according to claim 47, is characterized in that: touch the image that image acquisition system collection touches the light that part reflective infrared one word line laser device sends.
The 50. light curtain generators being convenient to be fixed on projection screen according to claim 47, is characterized in that: the light that touch image acquisition system collection infrared light-emitting device sends forms the image of infrared light spot on curtain.
The 51. light curtain generators being convenient to be fixed on projection screen according to claim 47, it is characterized in that: described touch image acquisition system is provided with a device housings, described camera is positioned at described device housings, and the image collection direction of described camera is towards stretched curtain direction.
The 52. light curtain generators being convenient to be fixed on projection screen according to claim 47, is characterized in that: a described infrared word line laser device connects power-supply system by driving circuit, and described touch image acquisition system connects described power-supply system.
The 53. light curtain generators being convenient to be fixed on projection screen according to claim 51, is characterized in that: be provided with described camera in described device housings, and infrared image intensifier circuit system.
The 54. light curtain generators being convenient to be fixed on projection screen according to claim 47, it is characterized in that: described camera front arranges infrared fileter, the area of described infrared fileter is more than 3 times of camera anterior lens.
The 55. light curtain generators being convenient to be fixed on projection screen according to claim 54, is characterized in that: described infrared fileter distance lens are greater than 0.5cm, are less than 2cm.
The 56. light curtain generators being convenient to be fixed on projection screen according to claim 47, is characterized in that: described immobilising device adopts a dismountable immobilising device.
The 57. light curtain generators being convenient to be fixed on projection screen according to claim 56, is characterized in that: described immobilising device adopts at least one in Bolt holder part, grafting immobilising device, snap close immobilising device.
The 58. light curtain generators being convenient to be fixed on projection screen according to claim 47, is characterized in that: described immobilising device adopts a collapsible immobilising device.
The 59. light curtain generators being convenient to be fixed on projection screen according to claim 58, is characterized in that: described immobilising device adopts a fold concertina-wise mechanism.
The 60. light curtain generators being convenient to be fixed on projection screen according to claim 58, is characterized in that: described immobilising device adopts a rotating shaft folding-jib fold mechanism.
The 61. light curtain generators being convenient to be fixed on projection screen according to claim 58, is characterized in that: after described collapsible immobilising device launches, and the distance of the curtain of described camera distance pull-out is between 10cm ~ 40cm.
The 62. light curtain generators being convenient to be fixed on projection screen according to claim 61, is characterized in that: after described collapsible immobilising device launches, and the distance of the curtain of described camera distance pull-out is 10cm ~ 25cm.
The 63. light curtain generators being convenient to be fixed on projection screen according to claim 47, is characterized in that: described camera adopts wide-angle lens.
The 64. light curtain generators being convenient to be fixed on projection screen according to claim 47, is characterized in that: described touch image acquisition system adopts two described cameras.
The 65. light curtain generators being convenient to be fixed on projection screen according to claim 51, it is characterized in that: described touch image acquisition system adopts two described cameras, two described cameras are separately positioned in described device housings.
The 66. light curtain generators being convenient to be fixed on projection screen according to claim 64, is characterized in that: the identified region of two described cameras on the curtain of pull-out, exists overlapping region, also there is not overlapping region.
The 67. light curtain generators being convenient to be fixed on projection screen according to claim 47, is characterized in that: described touch image acquisition system adopts four described cameras.
The 68. light curtain generators being convenient to be fixed on projection screen according to claim 58, is characterized in that: described immobilising device is a dismountable collapsible immobilising device.
The 69. light curtain generators being convenient to be fixed on projection screen according to claim 47, is characterized in that: described touch image acquisition system is also provided with a wireless communication module, and between described wireless communication module with described camera, signal is connected.
The 70. light curtain generators being convenient to be fixed on projection screen according to claim 69, is characterized in that: described wireless communication module adopts at least one in bluetooth communication, wifi communication module.
71. to be fixed on the light curtain generator on projection screen according to being convenient in claim 1-23 described in any one, it is characterized in that: also comprise a computer coalignment, described computer coalignment comprises a crust of the device, be provided with control circuit in described crust of the device, described control circuit connects a memory module; Described computer matching module is provided with a USB plug, and described USB plug connects described control circuit.
72. to be fixed on the light curtain generator on projection screen according to being convenient to described in claim 71, it is characterized in that: store in memory module and the match information touching image acquisition system.
73. to be fixed on the light curtain generator on projection screen according to being convenient to described in claim 72, it is characterized in that: store the match information that reduction is even removed computer from and touched the setting steps between image acquisition system in memory module.
74. to be fixed on the light curtain generator on projection screen according to being convenient to described in claim 71, it is characterized in that: memory module stores touch screen driver software.
75. to be fixed on the light curtain generator on projection screen according to being convenient to described in claim 72, it is characterized in that: described touch image acquisition system is also provided with a wireless communication module, between the camera of described wireless communication module and described touch image acquisition system, signal is connected;
Also wireless communication mechanisms is provided with, described wireless communication mechanisms and described radio communication mold Block-matching in described computer coalignment.
76. to be fixed on the light curtain generator on projection screen according to being convenient to described in claim 75, it is characterized in that: described wireless communication mechanisms adopt one in advance with the wireless communication mechanisms of described radio communication mold Block-matching.
77. to be fixed on the light curtain generator on projection screen according to being convenient to described in claim 76, it is characterized in that: the match information of wireless communication mechanisms stores in a storage module.
The 78. light curtain generators being convenient to be fixed on projection screen according to claim 28, it is characterized in that: described light curtain generator shell is also fixed with a touch image acquisition system by an immobilising device, and described touch image acquisition system comprises at least one camera;
Described touch image acquisition system comprises a control circuit system, and described control circuit system connects described camera; The control signal output terminal of described driving circuit connects described control circuit system.
79. to be fixed on the light curtain generator on projection screen according to being convenient to described in claim 78, it is characterized in that: control circuit system described in the control signal output terminal wired connection of described driving circuit.
80. to be fixed on the light curtain generator on projection screen according to being convenient to described in claim 78, it is characterized in that: when described control circuit system opens camera, also open a described infrared word line laser device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420599447.0U CN204331269U (en) | 2014-03-05 | 2014-10-16 | Be convenient to the light curtain generator be fixed on projection screen |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420098260 | 2014-03-05 | ||
| CN2014200982602 | 2014-03-05 | ||
| CN201420599447.0U CN204331269U (en) | 2014-03-05 | 2014-10-16 | Be convenient to the light curtain generator be fixed on projection screen |
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| Publication Number | Publication Date |
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| CN204331269U true CN204331269U (en) | 2015-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420599447.0U Expired - Fee Related CN204331269U (en) | 2014-03-05 | 2014-10-16 | Be convenient to the light curtain generator be fixed on projection screen |
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| CN (1) | CN204331269U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105514766A (en) * | 2016-02-29 | 2016-04-20 | 北京仁光科技有限公司 | Large-angle uniform line laser sector modulation device |
| CN107121885A (en) * | 2017-06-27 | 2017-09-01 | 北京数科技有限公司 | A kind of base of Photomechanical equipment |
| CN107463059A (en) * | 2016-06-02 | 2017-12-12 | 光峰科技股份有限公司 | Optical projection system and its light curtain generation device |
| CN109643054A (en) * | 2016-06-17 | 2019-04-16 | 米莫诺有限责任公司 | Projector retainer |
-
2014
- 2014-10-16 CN CN201420599447.0U patent/CN204331269U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105514766A (en) * | 2016-02-29 | 2016-04-20 | 北京仁光科技有限公司 | Large-angle uniform line laser sector modulation device |
| CN107463059A (en) * | 2016-06-02 | 2017-12-12 | 光峰科技股份有限公司 | Optical projection system and its light curtain generation device |
| CN109643054A (en) * | 2016-06-17 | 2019-04-16 | 米莫诺有限责任公司 | Projector retainer |
| CN109643054B (en) * | 2016-06-17 | 2021-06-08 | 米莫诺有限责任公司 | Projector holder |
| US11126070B2 (en) | 2016-06-17 | 2021-09-21 | Mimono LLC | Projector holder |
| US11740542B2 (en) | 2016-06-17 | 2023-08-29 | Mimono LLC | Projector holder |
| CN107121885A (en) * | 2017-06-27 | 2017-09-01 | 北京数科技有限公司 | A kind of base of Photomechanical equipment |
| WO2019001392A1 (en) * | 2017-06-27 | 2019-01-03 | 青岛海尔股份有限公司 | Base of optomechanical apparatus |
| CN107121885B (en) * | 2017-06-27 | 2020-04-24 | 北京一数科技有限公司 | Base of ray apparatus |
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