CN202306000U - Scanning light source module and touch control screen - Google Patents

Scanning light source module and touch control screen Download PDF

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Publication number
CN202306000U
CN202306000U CN2011203809611U CN201120380961U CN202306000U CN 202306000 U CN202306000 U CN 202306000U CN 2011203809611 U CN2011203809611 U CN 2011203809611U CN 201120380961 U CN201120380961 U CN 201120380961U CN 202306000 U CN202306000 U CN 202306000U
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CN
China
Prior art keywords
light source
catoptron
pedestal
reflection unit
photoinduction device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2011203809611U
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Chinese (zh)
Inventor
董欣志
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANGHAI FUSHEN OPTOELECTRONIC TECHNOLOGY Co Ltd
Lecc Technology Co Ltd
Original Assignee
SHANGHAI FUSHEN OPTOELECTRONIC TECHNOLOGY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SHANGHAI FUSHEN OPTOELECTRONIC TECHNOLOGY Co Ltd filed Critical SHANGHAI FUSHEN OPTOELECTRONIC TECHNOLOGY Co Ltd
Priority to CN2011203809611U priority Critical patent/CN202306000U/en
Application granted granted Critical
Publication of CN202306000U publication Critical patent/CN202306000U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model provides a scanning light source module, which comprises a seat body, a laser light source, a first reflecting mirror, a movable reflecting device and a first light induction device, wherein the laser light source, the first reflecting mirror, the movable reflecting device and the first light induction device are arranged on the seat body; the first reflecting mirror is provided with a body; the body is provided with a first surface and a second surface; the second surface is a reflecting surface; a slot corresponding to the laser light source is formed on the body; the first reflecting mirror is positioned between the laser light source and the movable reflecting device; and the first light induction device is corresponding to the second surface of the first reflecting mirror. Therefore, the structure can be simplified, the assembly is facilitated, the cost is reduced and the volume is decreased. The utility model further provides a touch control screen.

Description

Scanning light source module and Touch Screen
Technical field
The utility model relates to a kind of scanning light source module, is specifically related to a kind of scanning light source module and Touch Screen that can be used for Touch Screen.
Background technology
Existing laser aid can be applicable to article such as Touch Screen; This laser aid has a LASER Light Source, and LASER Light Source can give off laser beam, and with laser beam directive one mems mirror (micro-electronic-mechanic system oscillatory reflector; Be called for short MEMS reflector); Mems mirror has reflecting surface, reflecting surface swing produce dynamic scan the laser beam projection after Touch Screen, receive the light signal on the Touch Screen by Photoinduction device in addition; And convert light signal into corresponding electric signal by Photoinduction device and be delivered to control circuit, calculate contact coordinate and export.
But the above-mentioned existing laser aid that is used for Touch Screen has more member, and structure is comparatively complicated, and assembling inconvenience causes cost to be difficult to reduce, and bulky, is not easy to install and use.
The utility model content
The purpose of the utility model is to provide a kind of scanning light source module and Touch Screen, has more member to solve the existing laser aid that is used for Touch Screen, and structure is comparatively complicated; Assembling inconvenience; Cause cost to be difficult to reduce, and bulky, be not easy to the technical matters of installing and using.
To achieve these goals, the utility model provides a kind of scanning light source module, comprising: a pedestal; One LASER Light Source, it is arranged on this pedestal; One first catoptron, it is arranged on this pedestal, and this first catoptron has a body, and this body has one first and one second, and this second is reflecting surface, and this body is formed with a fluting, and this fluting is corresponding with this LASER Light Source; One movable reflection unit, it is arranged on this pedestal, and this movable reflection unit has a movable reflecting element, and this first catoptron is between this LASER Light Source and this movable reflection unit; And one first Photoinduction device, it is arranged on this pedestal, and this first Photoinduction device and this first catoptron second is corresponding.
Further, wherein this pedestal has a first and a second portion that is connected, and this LASER Light Source, this first catoptron and this first Photoinduction device are arranged at the first of this pedestal, and this movable reflection unit is arranged at the second portion of this pedestal.
Further, wherein the angle between this first and this second portion is the obtuse angle.
Further, wherein this LASER Light Source comprises a laser generator and a collimating mirror, and this collimating mirror is corresponding with this laser generator.
Further, the two ends that wherein this fluting is relative are through to this first and this second respectively, and this side of slotting is through to this body another side.
Further, wherein this movable reflection unit is a mems mirror.
Further; It further comprises one second catoptron and one second Photoinduction device; This second catoptron and this second Photoinduction device are arranged at this movable reflection unit one end place of adjacency on this pedestal, and this second Photoinduction device is corresponding with this second catoptron.
The utility model provides a kind of Touch Screen in addition, comprising: a screen; And at least two scanning light source module; It is arranged on this screen, and each scanning light source module comprises a pedestal, a LASER Light Source, one first catoptron, a movable reflection unit and one first Photoinduction device, and this LASER Light Source, this first catoptron, this movable reflection unit and this first Photoinduction device are arranged on this pedestal; This first catoptron has a body; This body has one first and one second, and this second is reflecting surface, and this body is formed with a fluting; This movable reflection unit has a movable reflecting element; This first catoptron is between this LASER Light Source and this movable reflection unit, and this fluting is corresponding with this LASER Light Source, and this first Photoinduction device and this first catoptron second is corresponding.
The utility model can have following useful effect:
The scanning light source module that the utility model provides comprises pedestal, LASER Light Source, first catoptron, movable reflection unit and first Photoinduction device; Need not use more member, can form the light coaxial system, structure is comparatively simplified; Easy to assembly, cost is reduced effectively.
The LASER Light Source of the utility model, first catoptron, movable reflection unit and first Photoinduction device are arranged on the pedestal, can constitute a module, volume are reduced, with convenient installation and application.
First catoptron of the utility model has fluting and reflecting surface, can use respectively for laser beam and pass and reflect, and makes laser module form a smooth coaxial system, and first catoptron structure is simplified, and cost is reduced.
Description of drawings
Fig. 1 is the stereographic map of the utility model scanning light source module;
Fig. 2 is the stereographic map of another angle of the utility model scanning light source module;
Fig. 3 is the cut-open view of the utility model scanning light source module;
Fig. 4 is the planimetric map of the utility model scanning light source module;
Fig. 5 is the three-dimensional exploded view of the utility model scanning light source module local structure;
Fig. 6 is the synoptic diagram of the utility model Touch Screen;
Fig. 7 is the cut-open view of another embodiment of the utility model scanning light source module;
Fig. 8 is the three-dimensional exploded view of another embodiment local structure of the utility model scanning light source module.
Embodiment
First embodiment
See also Fig. 1 to Fig. 5; The utility model provides a kind of scanning light source module; Comprise a pedestal 1, a LASER Light Source 2, one first catoptron, 3, one movable reflection unit 4 and one first Photoinduction device 5, wherein pedestal 1 is processed with materials such as plastics, and LASER Light Source 2, first catoptron 3, movable reflection unit 4 and first Photoinduction device 5 are arranged on the pedestal 1; Make it constitute a module, so that be assembled on the device such as Touch Screen.The structure and the shape of pedestal 1 do not limit; Can be as required and suitable changing, pedestal 1 roughly is L type body in the present embodiment, and just pedestal 1 has a first 11 and a second portion 12 that is connected; Angle between first 11 and the second portion 12 is to spend for preferable greater than 90; Just be the obtuse angle, but do not limit the angle of first 11 and second portion 12 angles, can be as required and suitable variation.Form an open space between first 11 and the second portion 12.
LASER Light Source 2 can be in order to produce laser beam, and the structure of LASER Light Source 2 does not limit, and LASER Light Source 2 comprises a laser generator 21 and a collimating mirror 22 in the present embodiment, and collimating mirror 22 is corresponding with laser generator 21.Laser generator 21 can send laser beam, but the pattern of laser generator 21 and structure do not limit, can be as required and suitable changing.Laser generator 21 is a kind of laser generator that can produce visible light, invisible light, and 22 of collimating mirrors can be in order to be gathered into laser beam concentrated laser beam, so that directive first catoptron 3 and movable reflection unit 4.The laser generator 21 of LASER Light Source 2 and collimating mirror 22 all are arranged at the first 11 of pedestal 1 in the present embodiment; Laser generator 21 and collimating mirror 22 setting at interval; And the first 11 in pedestal 1 is provided with a perforation 13; Laser generator 21 and collimating mirror 22 can 13 be connected through boring a hole, but laser generator 21 and collimating mirror 22 do not limit assembling mode and are arranged at first 11.
First catoptron 3 can make laser module form a smooth coaxial system, and first catoptron 3 is corresponding with LASER Light Source 2, and first catoptron 3 is between LASER Light Source 2 and movable reflection unit 4.First catoptron 3 is the optical mirror slip of a kind of transmissive and reflection, and its role is to can be with the laser beam transmission of incident and go out, and makes the movable reflection unit 4 of laser beam directive.And can reflex to first catoptron 3 by movable reflection unit 4 by folded light beams that device reflected such as screens, turn to through first catoptron 3 again to reflex to the first corresponding Photoinduction device 5.First catoptron 3 is arranged at the first 11 of pedestal 1 in the present embodiment, but first catoptron 3 does not limit assembling mode and is arranged at first 11.
First catoptron 3 has a body 31; It is a reflecting surface that body 31 has one first 311 and 1 second 312, the second 312 of being oppositely arranged, and body 31 is formed with a fluting 313; Fluting 313 is an open groove; The 313 relative two ends of just slotting are through to first 311 and second 312 respectively, and 313 1 sides of slotting are through to body 31 another sides, and fluting 313 is corresponding with LASER Light Source 2.Body 31 can convex with at least one fixed leg 32, is fixed in corresponding at least one fixed orifice 14 on the pedestal 1 so that utilize fixed leg 32 to peg graft, and makes first catoptron 3 be able to be arranged at the first 11 of pedestal 1.
Movable reflection unit 4 can be mems mirror (MEMS reflector); It has a movable reflecting element 41; Movable reflection unit 4 also can be the reflection unit of other pattern; For example can motor etc. drive unit drive reflecting element 41, reflecting element 41 can be modes such as swing or rotation and moves, reflecting element 41 can be the assembly that reflector plate or polygonal mirror etc. have reflecting effect.Movable reflection unit 4 is oppositely arranged with LASER Light Source 2, and reflecting element 41 controls and moves (like swing) because of receiving micro electronmechanical grade, throws to Touch Screen devices such as (as shown in Figure 6) with the laser beam that produces dynamic scan.Movable in the present embodiment reflection unit 4 is arranged at the second portion 12 of pedestal 1, but movable reflection unit 4 does not limit assembling mode and is arranged at second portion 12.
First Photoinduction device 5 can be the sensor of pattern such as PD (Photo Diode) diode, and first Photoinduction device 5 and first catoptron 3 second 312 is corresponding, in order to receive the light signal that reflects on the screen.First Photoinduction device 5 is arranged at the first 11 of pedestal 1 in the present embodiment; Just the first 11 in pedestal 1 is provided with an assembly hole 15; Make first Photoinduction device 5 be able to be assembled in the assembly hole 15, but first Photoinduction device 5 does not limit assembling mode and is arranged at first 11.
In addition; The utility model also can further comprise one second catoptron 6 and one second Photoinduction device 7; Second catoptron 6 and second Photoinduction device 7 are arranged on the pedestal 1; Second catoptron 6 and second Photoinduction device 7 are arranged at the movable reflection unit of (second portion 12) adjacency 4 one end places on the pedestal 1 in the present embodiment, and second catoptron 6 can be tabular body, and second Photoinduction device 7 is corresponding with second catoptron 6.When laser beam projection to the angle of devices such as screen during greater than a set angle (like 90 degree); Can the light signal greater than this set angle be reflexed to second Photoinduction device 7 through second catoptron 6, to reset (reset) signal as movable reflection unit 4 set angle positions.
Second embodiment
See also Fig. 6; The utility model provides a kind of Touch Screen in addition, and this Touch Screen includes a screen 8 and at least two scanning light source modules, is provided with two scanning light source modules in the present embodiment; But the quantity of scanning light source module setting does not limit, can be as required and suitable changing.Two scanning light source modules are arranged on the screen 8; The LASER Light Source 2 of two scanning light source modules can give off laser beam; First catoptron 3 is provided with fluting 313 and can supplies laser beam to wear to penetrate; Make the reflecting element 41 of the movable reflection unit 4 of laser beam directive, throw to screen 8 with the laser beam that produces dynamic scan.The folded light beam that is reflected by screen 8 can be reflected by movable reflection unit 4; The reflecting surface (second 312) that sees through first catoptron 3 again turns to and reflexes to first Photoinduction device 5; Be delivered to control circuit (figure slightly) and convert light signal into corresponding electric signal, calculate contact coordinate and export by first Photoinduction device 5.The light signal that first Photoinduction device 5 receives on screen 8 devices such as grade normally utilizes modes such as reflection, blocking; For example be provided with reflection bar 81 on screen 8 three limits; Be beneficial to screen 8 with the movable reflection unit 4 of scanning light beam reflected back; When the contact produced, scanning light beam was interdicted, so as to calculating the coordinate of contact; Because the mode that first Photoinduction device 5 receives light signal on screen 8 devices such as grade belongs to prior art, is not the category that the utility model is applied for a patent, so will not give unnecessary details.
The 3rd embodiment
See also Fig. 7 and Fig. 8, the structure of the utility model pedestal 1 and shape also can form different variations, and second catoptron 6 also can be column.The running and the effect of present embodiment are same as the previously described embodiments, so no longer give unnecessary details.
The utility model scanning light source module comprises pedestal 1, LASER Light Source 2, first catoptron 3, movable reflection unit 4 and first Photoinduction device 5; Need not use more member, can form the light coaxial system, structure is comparatively simplified; Easy to assembly, cost is reduced effectively.
Secondly, the utility model LASER Light Source 2, first catoptron 3, movable reflection unit 4 and first Photoinduction device 5 are arranged on the pedestal 1, can constitute a module, volume are reduced, with convenient installation and application.
First catoptron 3 of the utility model has fluting 313 and reflecting surface (second 312), can use respectively for laser beam and pass and reflect, and makes laser module form a smooth coaxial system, and first catoptron, 3 structures are simplified, and cost is reduced.
The above is merely the preferred embodiment of the utility model, and the non-scope of patent protection that is intended to limit to the utility model so the equivalence of using the utility model instructions and graphic content to do such as changes, all in like manner all is contained in the protection domain of the utility model.

Claims (14)

1. a scanning light source module is characterized in that, comprising:
One pedestal;
One LASER Light Source, it is arranged on this pedestal;
One first catoptron, it is arranged on this pedestal, and this first catoptron has a body, and this body has one first and one second, and this second is reflecting surface, and this body is formed with a fluting, and this fluting is corresponding with this LASER Light Source;
One movable reflection unit, it is arranged on this pedestal, and this movable reflection unit has a movable reflecting element, and this first catoptron is between this LASER Light Source and this movable reflection unit; And
One first Photoinduction device, it is arranged on this pedestal, and this first Photoinduction device and this first catoptron second is corresponding.
2. scanning light source module as claimed in claim 1; It is characterized in that; Wherein this pedestal has a first and a second portion that is connected; This LASER Light Source, this first catoptron and this first Photoinduction device are arranged at the first of this pedestal, and this movable reflection unit is arranged at the second portion of this pedestal.
3. scanning light source module as claimed in claim 2 is characterized in that, wherein the angle between this first and this second portion is the obtuse angle.
4. scanning light source module as claimed in claim 1 is characterized in that, wherein this LASER Light Source comprises a laser generator and a collimating mirror, and this collimating mirror is corresponding with this laser generator.
5. scanning light source module as claimed in claim 1 is characterized in that, the two ends that wherein this fluting is relative are through to this first and this second respectively, and this side of slotting is through to this body another side.
6. scanning light source module as claimed in claim 1 is characterized in that, wherein this movable reflection unit is a mems mirror.
7. scanning light source module as claimed in claim 1; It is characterized in that; It further comprises one second catoptron and one second Photoinduction device; This second catoptron and this second Photoinduction device are arranged at this movable reflection unit one end place of adjacency on this pedestal, and this second Photoinduction device is corresponding with this second catoptron.
8. a Touch Screen is characterized in that, comprising:
One screen; And
At least two scanning light source modules; It is arranged on this screen, and each scanning light source module comprises a pedestal, a LASER Light Source, one first catoptron, a movable reflection unit and one first Photoinduction device, and this LASER Light Source, this first catoptron, this movable reflection unit and this first Photoinduction device are arranged on this pedestal; This first catoptron has a body; This body has one first and one second, and this second is reflecting surface, and this body is formed with a fluting; This fluting is corresponding with this LASER Light Source; This movable reflection unit has a movable reflecting element, and this first catoptron is between this LASER Light Source and this movable reflection unit, and this first Photoinduction device and this first catoptron second is corresponding.
9. Touch Screen as claimed in claim 8; It is characterized in that; Wherein this pedestal has a first and a second portion that is connected; This LASER Light Source, this first catoptron and this first Photoinduction device are arranged at the first of this pedestal, and this movable reflection unit is arranged at the second portion of this pedestal.
10. Touch Screen as claimed in claim 9 is characterized in that, wherein the angle between this first and this second portion is the obtuse angle.
11. Touch Screen as claimed in claim 8 is characterized in that, wherein this LASER Light Source comprises a laser generator and a collimating mirror, and this collimating mirror is corresponding with this laser generator.
12. Touch Screen as claimed in claim 8 is characterized in that, the two ends that wherein this fluting is relative are through to this first and this second respectively, and this side of slotting is through to this body another side.
13. Touch Screen as claimed in claim 8 is characterized in that, wherein this movable reflection unit is a mems mirror.
14. Touch Screen as claimed in claim 8; It is characterized in that; It further comprises one second catoptron and one second Photoinduction device; This second catoptron and this second Photoinduction device are arranged at this movable reflection unit one end place of adjacency on this pedestal, and this second Photoinduction device is corresponding with this second catoptron.
CN2011203809611U 2011-09-29 2011-09-29 Scanning light source module and touch control screen Expired - Fee Related CN202306000U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011203809611U CN202306000U (en) 2011-09-29 2011-09-29 Scanning light source module and touch control screen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011203809611U CN202306000U (en) 2011-09-29 2011-09-29 Scanning light source module and touch control screen

Publications (1)

Publication Number Publication Date
CN202306000U true CN202306000U (en) 2012-07-04

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CN2011203809611U Expired - Fee Related CN202306000U (en) 2011-09-29 2011-09-29 Scanning light source module and touch control screen

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI465989B (en) * 2012-10-17 2014-12-21 The projection touch apparatus
CN106462297A (en) * 2014-04-28 2017-02-22 罗伯特·博世有限公司 Electrical device and method for operating an electrical device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI465989B (en) * 2012-10-17 2014-12-21 The projection touch apparatus
CN106462297A (en) * 2014-04-28 2017-02-22 罗伯特·博世有限公司 Electrical device and method for operating an electrical device
CN106462297B (en) * 2014-04-28 2020-08-18 罗伯特·博世有限公司 Electrical device and method for operating an electrical device

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120704

Termination date: 20120929