CN104915070B - Optical touch module - Google Patents
Optical touch module Download PDFInfo
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- CN104915070B CN104915070B CN201510283738.8A CN201510283738A CN104915070B CN 104915070 B CN104915070 B CN 104915070B CN 201510283738 A CN201510283738 A CN 201510283738A CN 104915070 B CN104915070 B CN 104915070B
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Abstract
The present invention is on a kind of optical touch module, it is characterised in that the optical touch module includes：Display unit, the side of the display unit have a plurality of first fixed structures；And optical unit group, the optical unit group have a plurality of optical units, one second fixed structure and an optical detection unit are respectively provided with a plurality of optical units, second fixed structure corresponds with the first fixed structure；Wherein, the optical unit group is fixed on the display unit by a plurality of second fixed structures to the corresponding cooperation between a plurality of first fixed structures, and the distance of a plurality of optical detection units and the display unit is not less than the first pre-determined distance after fixing.Under this kind of pre-determined distance is set, user carries out that during touch-control display unit will not be touched, and significantly reduces the propagation risk of germ, improves sanitarian security.
Description
Technical field
The present invention relates to a kind of optical touch module, more particularly to a kind of contactless optical touch module.
Background technology
In recent years, Touch Screen technology is quickly grown.Touch-control input is not only upper more convenient in use, also without set key
Disk and mouse, so having there is more and more fields by touch-control as its input mode.For now, touched using more
Control technology is condenser type or electric resistance touch-control, is the touch technology of contact, that is, input can just be reached by being both needed to material contact
Function.The touch technology of this contact uses field in personal or family, may not there is very big problem, but in medical treatment
Or public sphere, the Touch Screen of contact are likely to become the medium of germ transfer, sanitarian security, which there may be, asks
Topic.
The content of the invention
In view of the foregoing, it is necessary to propose a kind of optical touch module, the input of its touch-control is non-contact type touch control, beneficial
In the sanitarian security of raising.
For the above-mentioned purpose, the present invention provides a kind of optical touch module, including：
Display unit, the side of display unit have a plurality of first fixed structures；And
Optical unit group, optical unit group have a plurality of optical units, one second are respectively provided with a plurality of optical units
Fixed structure and an optical detection unit, the second fixed structure correspond with first fixed structure；
Wherein, optical unit group is matched somebody with somebody by corresponding between a plurality of second fixed structures and a plurality of first fixed structures
Conjunction is fixed on display unit, and after fixing a plurality of optical detection units and display unit distance it is default not less than first
Distance, wherein a plurality of optical detection units and the distance of the display unit refer to a plurality of optical detection units with being somebody's turn to do
The distance between plane where display unit.
As optional technical scheme, first fixed structure is T font guide channels, and corresponding second fixed structure is length
Spend equal interior T fonts guide channel；Or first fixed structure is screw, corresponding second fixed structure is bolt.
As optional technical scheme, the first pre-determined distance is 1 centimetre to 2 centimetres.
As optional technical scheme, a plurality of optical units are fixed by way of engaging or locking and pay between any two.
As optional technical scheme, the mode of the engaging of a plurality of optical units between any two can be to block between each other
The mode of conjunction or the mode for third party's engaging.
As optional technical scheme, the mode engaged between each other is using overhead kick structure and instead hooking structure card
The mode of conjunction.
As optional technical scheme, a plurality of optical units between any two fix by least one set of paid for lock, and remaining organizes it
Between be to be fixed.
As optional technical scheme, optical unit group includes four optical units, respectively the first optical unit,
Two optical units, the 3rd optical unit and the 4th optical unit, are arranged at display unit up and down.
As optional technical scheme, the specific number of assembling steps of optical touch module is as follows：
Step S401, the first fixed structure on the left of the second fixed structure of the first optical unit and display unit is carried out
Alignment；
Step S402, by T font guide channel of first optical unit along the first fixed structure on the left of display unit
Fixation is slipped into from the bottom to top；
Step S403, the first fixed structure on the upside of the second fixed structure of the second optical unit and display unit is carried out
Alignment；
Step S404, by T font guide channel of second optical unit along the first fixed structure on the upside of display unit
Fixation is slipped into from left to right, and the left side of the second optical unit has an overhead kick structure, it is and anti-on the upside of the first optical unit
Overhead kick structure is fixed；
Step S405, the first fixed structure on the right side of the second fixed structure of the 3rd optical unit and display unit is carried out
Alignment；
Step S406, by T font guide channel of the 3rd optical unit along the first fixed structure on the right side of display unit
Fixation is from top to bottom slipped into, and the upside of the 3rd optical unit is with anti-on the right side of an overhead kick structure, with the second optical unit
Overhead kick structure is fixed；
Step S407, the first fixed structure on the downside of the second fixed structure of the 4th optical unit and display unit is carried out
Alignment；
Step S408, by T font guide channel of the 4th optical unit along the first fixed structure on the downside of display unit
Fixation is slipped into from right to left, after fixed, pays the left side of the 4th optical unit to fixation with carrying out lock on the downside of the first optical unit.
As optional technical scheme, the optical unit group is infrared optical unit group.
Compared with prior art, optical touch module of the invention when in use, inputs, effectively for contactless touch-control
Ground reduces the propagation risk of germ, improves sanitarian security.
Below in conjunction with the drawings and specific embodiments, the present invention will be described in detail, but not as a limitation of the invention.
Brief description of the drawings
Fig. 1 is the explosive view of embodiment of the present invention；
Fig. 2 is the schematic diagram being completed of embodiment of the present invention；
Fig. 3 is the rearview after embodiment of the present invention assembling；
Fig. 4 is the flow chart of embodiment of the present invention assembling.
Embodiment
Fig. 1 is the explosive view of embodiment of the present invention, and Fig. 2 is the schematic diagram being completed of embodiment of the present invention, please
Reference picture 1, Fig. 2, optical touch module 100 include display unit 110 and optical unit group, and the side of display unit 110 has
A plurality of first fixed structures 111, optical unit group have a plurality of optical units.It is respectively provided with those a plurality of optical units
One second fixed structure 131 and an optical detection unit 132, those second fixed structures 131 and those first fixed structures 111
Correspond.
Optical unit group passes through corresponding between a plurality of second fixed structures 131 and a plurality of first fixed structures 111
Cooperation is fixed on display unit 110, and after fixing a plurality of optical detection units 132 and display unit 110 distance not
Less than the first pre-determined distance.The distance of wherein a plurality of optical detection units 132 and display unit 110 refers to a plurality of optics
The distance between probe unit 132 and the place plane of display unit 110.Here the first pre-determined distance is according to the optical touch mould
Depending on the maximum finger thickness of the user of group, for example, between 1 centimetre to 2 centimetres, only it need to ensure that user is grasped
When making, when finger still has certain distance with display unit 110 during use, optical detection unit 132 can detect finger and deposit
Producing touching signals.
In present embodiment, first fixed structure 111 is T font guide channels, and that corresponding second fixed structure 131 is
The interior T fonts guide channel of equal length, both match somebody with somebody the fixed effect that closes, and fixed position is determined by the length of guide channel
It is fixed.Certainly in other embodiments, first fixed structure 111 or screw, corresponding second fixed structure 131 can be spiral shell
Bolt, it need to only ensure both with fixation is closed, fixed form is simultaneously not construed as limiting.
Optical unit can be fixed by the way of engaging or lock are paid between any two, the mode of engaging can be mutually it
Between the mode that engages, or the mode of third party's engaging.A third element is needed to engage two because third party engages
Individual optical unit, it is convenient not as good as the mode that engages between each other, so use in the present embodiment for mutual card
Conjunction mode.The mode of engaging is that overhead kick structure is engaged with instead hooking structure, specially has an overhead kick on an optical unit
Structure, there is an instead hooking structure on another optical unit, both are fixed.
For convenience, present embodiment illustrates so that optical unit group has four optical units as an example, four light
It is respectively the first optical unit 121, the second optical unit 122, the 3rd optical unit 123 and the 4th optical unit 124 to learn unit,
Respectively be located at display unit 110 four side up and down, the first optical unit 121 respectively with the second optical unit 122, the 4th light
Unit 124 is adjacent, and the 3rd optical unit 123 is adjacent with the second optical unit 122, the 4th optical unit 124 respectively, the first light
Unit 121 is relative with the 3rd optical unit, and the second optical unit 122 is relative with the 4th optical unit 124.
Fig. 3 is the rearview after embodiment of the present invention assembling, refer to Fig. 3, the first optical unit 121 and the second optics
Between unit 122, between the second optical unit 122 and the 3rd optical unit 123, the 3rd optical unit 123 and the 4th optics list
Fixed between member 124 by the way of overhead kick structure fastens with instead hooking structure, and the first optical unit 121 and the 4th light
Fixed between unit 124 by the way of lock is paid.So optical unit is fixed for only one group for lock pair mode between any two, remaining
Group is that snap fit is fixed, and need to only lock and pay the efficiency that one group of structure setting is advantageous to improve module group assembling, certainly, at other
In embodiment, using lock pay the group number fixed of mode can according to demand depending on.
Fig. 4 is the flow chart of embodiment of the present invention assembling, refer to Fig. 4, the number of assembling steps of optical touch module 100 is such as
Under：
Step S401, the second fixed structure 131 of the first optical unit 121 and the first of the left side of display unit 110 are consolidated
Determine structure 111 to be alignd；
Step S402, by the T fonts of first fixed structure 111 of first optical unit 121 along the left side of display unit 110
Guide channel is slipped into and fixed from the bottom to top；
Step S403, the second fixed structure 131 of the second optical unit 122 and the first of the upside of display unit 110 are consolidated
Determine structure 111 to be alignd；
Step S404, by the T fonts of first fixed structure 111 of second optical unit 122 along the upside of display unit 110
Guide channel is slipped into and fixed from left to right, and the left side of the second optical unit 122 has an overhead kick structure, with the first optics
The instead hooking structure of the upside of unit 121 is fixed；
Step S405, the second fixed structure 131 of the 3rd optical unit 123 and the first of the right side of display unit 110 are consolidated
Determine structure 111 to be alignd；
Step S406, by the T fonts of first fixed structure 111 of the 3rd optical unit 123 along the right side of display unit 110
Guide channel is from top to bottom slipped into and fixed, and the upside of the 3rd optical unit 123 has an overhead kick structure, with the second optics
Instead the hooking structure on the right side of unit 122 is fixed；
Step S407, the second fixed structure 131 of the 4th optical unit 124 and the first of the downside of display unit 110 are consolidated
Determine structure 111 to be alignd；
Step S408, by the T fonts of first fixed structure 111 of the 4th optical unit 124 along the downside of display unit 110
Guide channel is slipped into and fixed from right to left, after fixed, by the left side of the 4th optical unit 124 and the first optical unit 121
Downside carries out lock and pays fixation.
In present embodiment, optical unit group is infrared optical unit group.
In summary, optical touch module of the invention when in use, is inputted for contactless touch-control, is effectively reduced
The propagation risk of germ, sanitarian security is improved, and a fixed side is paid for lock by only one group of optical unit
Formula substantially increases the efficiency of module group assembling.
Certainly, the present invention can also have other various embodiments, ripe in the case of without departing substantially from spirit of the invention and its essence
Various corresponding changes and deformation, but these corresponding changes and deformation can be made according to the present invention by knowing those skilled in the art
The protection domain of appended claims of the invention should all be belonged to.
Claims (3)
1. a kind of optical touch module, it is characterised in that the optical touch module includes：
Display unit, the side of the display unit have a plurality of first fixed structures；And
Optical unit group, the optical unit group have a plurality of optical units, and one second is respectively provided with a plurality of optical units
Fixed structure and an optical detection unit, second fixed structure correspond with the first fixed structure；
Wherein, the optical unit group passes through corresponding between a plurality of second fixed structures and a plurality of first fixed structures
Cooperation is fixed on the display unit, and the distance of a plurality of optical detection units and the display unit is not less than after fixing
The distance of first pre-determined distance, wherein a plurality of optical detection units and the display unit refers to a plurality of optical detections
The distance between plane where unit and the display unit；
Wherein, the first fixed structure is T font guide channels, and corresponding second fixed structure is the interior T words of equal length
Type guide channel；The optical unit group includes four optical units, respectively the first optical unit, the second optical unit,
Three optical units and the 4th optical unit, are arranged at the display unit up and down, first optical unit and the 3rd light
Learn unit it is relative, second optical unit is relative with the 4th optical unit, first optical unit respectively with second optics
Unit, the 4th optical unit are adjacent, and first optical unit is mutually locked with the 4th optical unit to be paid, and is between remaining optical unit
It is fixed togather；
Wherein, the specific number of assembling steps of the optical touch module is as follows：
Step S401, by the first fixed structure on the left of second fixed structure of first optical unit and the display unit
Alignd；
Step S402, the T fonts of first optical unit along the first fixed structure on the left of the display unit are guided
Groove is slipped into and fixed from the bottom to top；
Step S403, by the first fixed structure on the upside of second fixed structure of second optical unit and the display unit
Alignd；
Step S404, the T fonts of second optical unit along the first fixed structure on the upside of the display unit are guided
Groove is slipped into and fixed from left to right, and the left side of second optical unit has an overhead kick structure, with the first optics list
The instead hooking structure of first upside is fixed；
Step S405, by the first fixed structure on the right side of second fixed structure of the 3rd optical unit and the display unit
Alignd；
Step S406, the T fonts of the 3rd optical unit along the first fixed structure on the right side of the display unit are guided
Groove is from top to bottom slipped into and fixed, and the upside of the 3rd optical unit has an overhead kick structure, with the second optics list
Instead the hooking structure on first right side is fixed；
Step S407, by the first fixed structure on the downside of second fixed structure of the 4th optical unit and the display unit
Alignd；
Step S408, the T fonts of the 4th optical unit along the first fixed structure on the downside of the display unit are guided
Groove is slipped into and fixed from right to left, after fixed, by the left side of the 4th optical unit with entering on the downside of first optical unit
Row lock, which is paid, to be fixed.
2. optical touch module as claimed in claim 1, it is characterised in that first pre-determined distance is 1 centimetre to 2 centimetres.
3. optical touch module as claimed in claim 1, it is characterised in that the optical unit group is infrared optical unit
Group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510283738.8A CN104915070B (en) | 2015-05-28 | 2015-05-28 | Optical touch module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510283738.8A CN104915070B (en) | 2015-05-28 | 2015-05-28 | Optical touch module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104915070A CN104915070A (en) | 2015-09-16 |
| CN104915070B true CN104915070B (en) | 2017-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510283738.8A Active CN104915070B (en) | 2015-05-28 | 2015-05-28 | Optical touch module |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201097364Y (en) * | 2007-05-14 | 2008-08-06 | 吴琼 | A circuit frame connection device for infrared touch screen |
| CN201886448U (en) * | 2010-12-07 | 2011-06-29 | 华映视讯（吴江）有限公司 | Optical touch module and optical touch display module |
| CN102141860A (en) * | 2009-10-20 | 2011-08-03 | 柯斯达公司 | Noncontact pointing device |
| CN202257514U (en) * | 2011-07-12 | 2012-05-30 | 精元电脑股份有限公司 | Non-contact mechanical keyboard device with motion sensing function |
| CN103365485A (en) * | 2012-04-03 | 2013-10-23 | 纬创资通股份有限公司 | Optical Touch Sensing Device |
| CN103646622A (en) * | 2013-09-30 | 2014-03-19 | 青岛海信电器股份有限公司 | Display device |
| CN203849524U (en) * | 2014-04-28 | 2014-09-24 | 昆山龙腾光电有限公司 | Display device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102566826B (en) * | 2010-12-24 | 2015-02-25 | 敦南科技股份有限公司 | Optical touch device |
-
2015
- 2015-05-28 CN CN201510283738.8A patent/CN104915070B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201097364Y (en) * | 2007-05-14 | 2008-08-06 | 吴琼 | A circuit frame connection device for infrared touch screen |
| CN102141860A (en) * | 2009-10-20 | 2011-08-03 | 柯斯达公司 | Noncontact pointing device |
| CN201886448U (en) * | 2010-12-07 | 2011-06-29 | 华映视讯（吴江）有限公司 | Optical touch module and optical touch display module |
| CN202257514U (en) * | 2011-07-12 | 2012-05-30 | 精元电脑股份有限公司 | Non-contact mechanical keyboard device with motion sensing function |
| CN103365485A (en) * | 2012-04-03 | 2013-10-23 | 纬创资通股份有限公司 | Optical Touch Sensing Device |
| CN103646622A (en) * | 2013-09-30 | 2014-03-19 | 青岛海信电器股份有限公司 | Display device |
| CN203849524U (en) * | 2014-04-28 | 2014-09-24 | 昆山龙腾光电有限公司 | Display device |
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| CN104915070A (en) | 2015-09-16 |
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