CN103593092A - Infrared touch screen - Google Patents
Infrared touch screen Download PDFInfo
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- CN103593092A CN103593092A CN201310604352.3A CN201310604352A CN103593092A CN 103593092 A CN103593092 A CN 103593092A CN 201310604352 A CN201310604352 A CN 201310604352A CN 103593092 A CN103593092 A CN 103593092A
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- panel
- cover plate
- infrared
- touch panel
- infrared light
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Abstract
The invention discloses an infrared touch screen which comprises a panel and an infrared lamp panel. A cavity where the infrared lamp panel is mounted is formed in one side of the panel. One side of the infrared lamp panel makes contact with the panel. A cover plate is arranged on the other side of the infrared lamp panel. The infrared lamp panel and one end of the cover plate are connected with one end of the panel. A filtering strip is arranged between the other end of the cover plate and the other end of the panel. The infrared touch screen is light in weight, small in thickness, good in signal quality, high in reliability and convenient to assemble and disassemble.
Description
Technical field
The present invention relates to a kind of touch-screen, be specifically related to a kind of infrared touch panel.
Background technology
Infrared touch panel technology, as one of latest scientific research of man-machine interactive system sciemtifec and technical sphere, has been widely used on all kinds of display device windows, as liquid crystal display, contact panel etc.At present, infrared touch panel technology is also widely used in airborne field of liquid crystal display, and this just proposes higher requirement to the reliability of infrared touch panel technology application.Because the principle of work of infrared touch panel is---the infrared lamp of display window two opposite side transmits and receives respectively signal, and feeds back to the control system of infrared touch panel.So it is very high that the flatness that infrared touch panel is installed requires, should avoid affecting because mounting plane degree is bad the signal transmitting and reception of lamp plate.
Meanwhile, infrared touch panel is as a part for airborne liquid crystal display, because of its special working environment, very high to requirements such as its weight, physical dimension and sealings, not only requires infrared touch panel thin thickness and weight to want light, and dismounting simultaneously safeguards that demanding party just.
Summary of the invention
The object of the present invention is to provide a kind of lightweight, thin thickness, dismounting easy to maintenance, and the infrared touch panel of good reliability.
To achieve these goals, the technical solution used in the present invention is:
This infrared touch panel, comprises panel and infrared light board, and described panel one side is established the cavity that described infrared light board is installed; Described infrared light board one side contacts with described panel, and described infrared light board opposite side is provided with cover plate; Described infrared light board and described cover plate one end are connected with described panel one end, between the described cover plate other end and the described panel other end, are provided with optical filtering bar.
On described cover plate, establish for supporting the boss of described infrared light board.
Described boss is distributed on each limit of described cover plate.
Described infrared light board and described cover plate one end are connected with described panel one end by sunk screw, are provided with the screw hole that sunk screw is installed on described cover plate and described boss.
On described cover plate and described panel, be equipped with the mounting groove that described optical filtering bar is installed; Described optical filtering bar one end is bonded in the mounting groove on described cover plate, after described optical filtering bar other end suit O-ring seal, is stuck in the mounting groove on described panel again.
Described infrared light board comprises the pcb board of planar structure, on the adjacent both sides of described pcb board, establishes infrared discharge lamps, establishes corresponding infrared receiving light on the another adjacent both sides of described pcb board.
Described optical filtering bar is bonded in the mounting groove on described cover plate by double faced adhesive tape.
This infrared touch panel, is installed on the casing top of airborne liquid crystal display.
The end, described panel one end being connected with described infrared light board and described cover plate is connected by screw with described casing top.
Described optical filtering bar is strip structure, and described optical filtering bar is located at outside, end, described infrared light board one end, and described optical filtering bar is cambered surface back to the side of described infrared light board.
The invention has the advantages that: first, this infrared touch panel, infrared light board is fixed in the cavity of panel together with cover plate, and this fixed form can be saved installing space, and this infrared touch panel thin thickness is lightweight.
Secondly, infrared light board and cover plate, as the fixed form of one, are fixed on cover plate bottom cartridge screw on display casing, have effectively reduced thickness and the weight of infrared touch panel; And this fixed form is conducive to dismounting, debugging and the maintenance etc. of infrared touch panel, has realized the integrated design of infrared touch panel.
Again, O-ring seal is contained in optical filtering bar top, realizes the sealing function to infrared touch screen component, avoids steam or salt fog to enter in the space of infrared touch screen component its generation harmful effect, has guaranteed the functional reliability of this infrared touch panel.
Finally, establish for supporting the boss of infrared light board on cover plate, boss can guarantee the mounting plane degree of infrared light board, has further guaranteed the functional reliability of this infrared touch panel.
Accompanying drawing explanation
The content of below each width accompanying drawing of instructions of the present invention being expressed and the mark in figure are briefly described:
Fig. 1 is the structural representation of infrared touch panel of the present invention.
Fig. 2 is the structural representation of the infrared light board in Fig. 1 infrared touch panel.
Fig. 3 is the structural representation of the optical filtering bar in Fig. 1 infrared touch panel.
Fig. 4 is the side view of the optical filtering bar in Fig. 3 infrared touch panel.
Mark in above-mentioned figure is:
1, optical filtering bar, 2, infrared light board, 3, panel, 4, cover plate, 5, display casing, 6, sunk screw, 7, screw, 8, pcb board, 9, infrared lamp, 10, double faced adhesive tape, 11, O-ring seal, 12, boss.
Embodiment
Contrast accompanying drawing below, the description by optimum embodiment, is described in further detail the specific embodiment of the present invention.
As shown in Figures 1 to 4, this infrared touch panel comprises infrared light board 2, panel 3 and cover plate 4, and infrared light board 2 is positioned in the cavity of panel 3 one sides, and develop the bottom of the upper surface of infrared light board 2 and panel 3, and cover plate 4 is located at lower surface one side of infrared light board 2.Cover plate 4 shares screw hole with infrared light board 2, and sunk screw 6 is fixed on cover plate 4 on panel 3 one end simultaneously together with infrared light board 2; Between cover plate 4 other ends and panel 3 other ends, be provided with optical filtering bar 1.Infrared light board 2 is fixed in the cavity of panel 3, and cover plate 4 is located at infrared light board 2 one sides, and cover plate 4 is fixed on panel 3 together with infrared light board 2, and this fixed form can be saved installing space.
Optical filtering bar 1 has height, and as preferred version, cover plate 4 is provided with boss 12, and this boss 12 is pressed in the lower surface of infrared light board 2, and preferably boss 12 is distributed on each limit of cover plate 4, under boss 12 supporting roles, can guarantee the mounting plane degree requirement of infrared light board 2.Further guarantee the functional reliability of this infrared touch panel.
As further preferred scheme, on cover plate 4 and boss 12, establish the screw hole that sunk screw 6 is installed.The screw hole that sunk screw 6 is installed is located on cover plate 4 and boss 12, and sunk screw 6 is connected with panel 4 after passing cover plate 4 and boss 12 like this; Concrete guiding and the positioning action of installing of boss 12, sunk screw 6 connective stabilities are better, and further infrared touch panel is installed fastness and good reliability.
As further preferred scheme, on cover plate 4 and panel 3, be equipped with the mounting groove that optical filtering bar 1 is installed; Optical filtering bar 1 is adhered in the mounting groove of cover plate 4 by double faced adhesive tape 10; O-ring seal 11 is equipped with at the top of optical filtering bar 1, and the optical filtering bar 1 that O-ring seal 11 is housed is arranged in the mounting groove on panel 3 again.O-ring seal 11 can prevent that steam, salt fog etc. from entering in infrared touch panel.
As preferred version, whole infrared touch panel is held in the top of display casing 5, and is connected with display casing 5 by screw 7.
Refer to accompanying drawing 2, infrared light board 2 comprises pcb board 8, and pcb board 8 is provided with infrared lamp 9, the planar structure that pcb board 8 is shaped as frame, its each opposite side respectively has row's infrared lamp 9, if row's infrared lamp 9 is for transmitting, its opposite side one row's infrared lamp 9 is for receiving signal.
Refer to accompanying drawing 3, optical filtering bar 1 is strip structure, its cross sectional shape is different and variant according to the specifications parameter of infrared touch panel, optical filtering bar 1 is located at infrared light board 2 outsides, end, one end, optical filtering bar 1 is cambered surface back to a side side of infrared light board 2, this cambered surface can filter visible ray, see through infrared light, and improves light efficiency and assemble infrared light.
In the present invention, using infrared light board 2 and the fixed form of cover plate 4 as one, and infrared touch panel is fixed on to the mode on display casing 5 by cover plate 4 cartridge screws 7, has effectively reduced thickness and the weight of infrared touch panel.And this fixed form is more conducive to dismounting, debugging, maintenance of infrared touch panel etc., thereby realized the integrated design of infrared touch panel.
O-ring seal 11 on optical filtering bar 1 can guarantee the sealing of airborne liquid crystal display infrared touch panel used, with the requirement of adaline carrier fluid crystal display working environment, provides serviceability.
This infrared touch panel not only lightweight, thin thickness, signal is good, reliability is high.This infrared touch panel can be saved the thickness space of airborne liquid crystal display, and reduces starting material and processing cost.The mounting means of this infrared touch panel has been realized the integrated design of infrared touch panel, and easy disassembly is safeguarded, has improved the operability of technique.The infrared touch panel that application the present invention produces, known through experiment test, this infrared touch panel is easy to operate, and integrated horizontal is high, and operating characteristic is good, and by force, man-machine interaction response sensitivity is high for the transmitting of infrared signal, reception.
Obviously specific implementation of the present invention is not subject to the restrictions described above, as long as adopted the improvement of the various unsubstantialities that method design of the present invention and technical scheme carry out, all within protection scope of the present invention.
Claims (10)
1. an infrared touch panel, comprises panel and infrared light board, it is characterized in that: described panel one side is established the cavity that described infrared light board is installed; Described infrared light board one side contacts with described panel, and described infrared light board opposite side is provided with cover plate; Described infrared light board and described cover plate one end are connected with described panel one end, between the described cover plate other end and the described panel other end, are provided with optical filtering bar.
2. infrared touch panel as claimed in claim 1, is characterized in that: on described cover plate, establish for supporting the boss of described infrared light board.
3. infrared touch panel as claimed in claim 1 or 2, is characterized in that: described boss is distributed on each limit of described cover plate.
4. infrared touch panel as claimed in claim 3, is characterized in that: described infrared light board and described cover plate one end are connected with described panel one end by sunk screw, is provided with the screw hole that sunk screw is installed on described cover plate and described boss.
5. infrared touch panel as claimed in claim 4, is characterized in that: on described cover plate and described panel, be equipped with the mounting groove that described optical filtering bar is installed; Described optical filtering bar one end is bonded in the mounting groove on described cover plate, after described optical filtering bar other end suit O-ring seal, is stuck in the mounting groove on described panel again.
6. infrared touch panel as claimed in claim 5, is characterized in that: described infrared light board comprises the pcb board of planar structure, on the adjacent both sides of described pcb board, establishes infrared discharge lamps, establishes corresponding infrared receiving light on the another adjacent both sides of described pcb board.
7. infrared touch panel as claimed in claim 6, is characterized in that: described optical filtering bar is bonded in the mounting groove on described cover plate by double faced adhesive tape.
8. infrared touch panel as claimed in claim 7, is characterized in that: be installed on the casing top of airborne liquid crystal display.
9. infrared touch panel as claimed in claim 8, is characterized in that: the end, described panel one end being connected with described infrared light board and described cover plate is connected by screw with described casing top.
10. infrared touch panel as claimed in claim 9, is characterized in that: described optical filtering bar is strip structure, and described optical filtering bar is located at outside, end, described infrared light board one end, and described optical filtering bar is cambered surface back to the side of described infrared light board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310604352.3A CN103593092A (en) | 2013-11-22 | 2013-11-22 | Infrared touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310604352.3A CN103593092A (en) | 2013-11-22 | 2013-11-22 | Infrared touch screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103593092A true CN103593092A (en) | 2014-02-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310604352.3A Pending CN103593092A (en) | 2013-11-22 | 2013-11-22 | Infrared touch screen |
Country Status (1)
| Country | Link |
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| CN (1) | CN103593092A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105259991A (en) * | 2015-11-27 | 2016-01-20 | 广州炫智电子科技有限公司 | Infrared touch integrated machine detachable structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200941200Y (en) * | 2006-08-23 | 2007-08-29 | 广东威创日新电子有限公司 | Red infrared touch panel outer frame structure |
| CN201084132Y (en) * | 2007-09-04 | 2008-07-09 | 吴琼 | Metal frame for large size infrared touch screen |
| CN201741132U (en) * | 2010-05-04 | 2011-02-09 | 福州锐达数码科技有限公司 | Frame structure of infrared touch screen |
| US20120086673A1 (en) * | 2010-10-12 | 2012-04-12 | Au Optronics Corporation | Touch display device |
-
2013
- 2013-11-22 CN CN201310604352.3A patent/CN103593092A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200941200Y (en) * | 2006-08-23 | 2007-08-29 | 广东威创日新电子有限公司 | Red infrared touch panel outer frame structure |
| CN201084132Y (en) * | 2007-09-04 | 2008-07-09 | 吴琼 | Metal frame for large size infrared touch screen |
| CN201741132U (en) * | 2010-05-04 | 2011-02-09 | 福州锐达数码科技有限公司 | Frame structure of infrared touch screen |
| US20120086673A1 (en) * | 2010-10-12 | 2012-04-12 | Au Optronics Corporation | Touch display device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105259991A (en) * | 2015-11-27 | 2016-01-20 | 广州炫智电子科技有限公司 | Infrared touch integrated machine detachable structure |
| CN105259991B (en) * | 2015-11-27 | 2019-02-01 | 广州炫智电子科技有限公司 | Infrared touch integrated machine detachable structure |
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Application publication date: 20140219 |
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| RJ01 | Rejection of invention patent application after publication |