CN107168571B - Infrared touch module - Google Patents
Infrared touch module Download PDFInfo
- Publication number
- CN107168571B CN107168571B CN201710267511.3A CN201710267511A CN107168571B CN 107168571 B CN107168571 B CN 107168571B CN 201710267511 A CN201710267511 A CN 201710267511A CN 107168571 B CN107168571 B CN 107168571B
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- Prior art keywords
- infrared
- receiver
- reflectors
- degrees
- touch module
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
- G06F3/0421—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means by interrupting or reflecting a light beam, e.g. optical touch-screen
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses an infrared touch module, which relates to the technical field of infrared touch; the infrared emission unit comprises a plurality of horizontally arranged infrared emitters, infrared rays emitted by the infrared emitters correspond to horizontally arranged infrared reflectors, the infrared reflectors incline downwards by 30-60 degrees and incline leftwards by 30-60 degrees, the infrared rays reflected by the infrared reflectors are received by a first infrared receiver arranged on the upper side of the infrared emitters, a reflection lens is arranged on the first infrared receiver, the reflection lens inclines leftwards by 30-60 degrees, and the infrared rays reflected by the reflection lens are received by a second infrared receiver arranged on the upper side of the infrared reflectors; the invention can realize the dead point-free and shielding type transmitting and receiving, and has high efficiency and wide coverage range.
Description
The technical field is as follows:
the invention relates to an infrared touch module, and belongs to the technical field of infrared touch.
Background art:
with the rapid development of display technology, touch screens have gradually spread throughout the lives of people. At present, touch screens can be divided into, according to the principle: resistive touch screens, capacitive touch screens, infrared touch screens, piezoelectric touch screens, surface acoustic wave touch screens, and the like. Among them, the infrared touch screen has the characteristics of high stability, high adaptability, long service life, good characteristics, and the like, and has received more and more attention and applications.
The principle of the infrared touch screen is that infrared rays densely distributed in the X direction and the Y direction are used for detecting and positioning touch operation, and the existing infrared touch screen has dead points or is shielded, so that the infrared rays cannot be received, time is wasted, and efficiency is low.
The invention content is as follows:
in order to solve the above problems, the present invention provides an infrared touch module.
The invention relates to an infrared touch module which comprises a shell, a display device, a circuit board, a heat dissipation plate, a rear panel, an infrared emitter, an infrared reflector, an infrared receiver II and an infrared receiver I, wherein the shell is provided with a first side and a second side; display device is installed to the interior front end of casing, the rear panel is installed to the rear end of casing, the heating panel is installed to the inboard of rear panel, the circuit board is installed to the inboard of heating panel, infrared emission unit, infrared receiving unit, infrared emission unit, its characterized in that are installed respectively to the inboard of circuit board: the infrared transmitting unit comprises a plurality of infrared transmitters which are horizontally arranged, infrared rays transmitted by the infrared transmitters correspond to horizontally arranged infrared reflectors, the infrared reflectors incline downwards by 30-60 degrees and incline leftwards by 30-60 degrees, the infrared rays reflected by the infrared reflectors are received by first infrared receivers arranged on the upper sides of the infrared transmitters, reflecting lenses are arranged on the first infrared receivers, the reflecting lenses incline leftwards by 30-60 degrees, and the infrared rays reflected by the reflecting lenses are received by second infrared receivers arranged on the upper sides of the infrared reflectors.
Preferably, the reflecting surface of the infrared reflector and the reflecting lens of the first infrared receiver are arranged in a reverse inclined angle.
Preferably, a backlight plate is arranged on the infrared emitter.
Preferably, the heat dissipation plate is a corrugated honeycomb heat dissipation plate.
Compared with the prior art, the invention has the beneficial effects that: can realize dead-point-free and shielding type transmitting and receiving, and has high efficiency and wide coverage range.
Description of the drawings:
for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a circuit diagram of infrared rays in the present invention.
In the figure: 1-a shell; 2-a display device; 3-a circuit board; 4-a heat sink; 5-a rear panel; 6-an infrared emitter; 7-an infrared reflector; 8-a second infrared receiver; 9-infrared receiver I.
The specific implementation mode is as follows:
in order that the objects, aspects and advantages of the invention will become more apparent, the invention will be described by way of example only, and in connection with the accompanying drawings. It is to be understood that such description is merely illustrative and not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-2, the following technical solutions are adopted in the present embodiment: the display device comprises a shell 1, a display device 2, a circuit board 3, a heat dissipation plate 4, a rear panel 5, an infrared emitter 6, an infrared reflector 7, an infrared receiver II 8 and an infrared receiver I9; display device 2 is installed to the interior front end of casing 1, rear panel 5 is installed to the rear end of casing 1, heating panel 4 is installed to rear panel 5's inboard, circuit board 3 is installed to heating panel 4's inboard, infrared emission unit, infrared receiving unit, infrared emission unit, its characterized in that are installed respectively to circuit board 3's inboard: the infrared emission unit comprises a plurality of infrared emitters 6 which are horizontally arranged, infrared rays emitted by the infrared emitters 6 correspond to infrared reflectors 7 which are horizontally arranged, the infrared reflectors 7 incline downwards by 30-60 degrees and incline leftwards by 30-60 degrees, the infrared rays reflected by the infrared reflectors 7 are received by first infrared receivers 9 arranged on the upper sides of the infrared emitters 6, reflecting lenses are arranged on the first infrared receivers 9 and incline leftwards by 30-60 degrees, and the infrared rays reflected by the reflecting lenses are received by second infrared receivers 8 arranged on the upper sides of the infrared reflectors 7.
Furthermore, the reflecting surface of the infrared reflector 7 and the reflecting mirror of the first infrared receiver 9 are arranged in a reverse inclined angle.
Further, a backlight plate is arranged on the infrared emitter 6.
Further, the heat dissipation plate 4 is a corrugated honeycomb heat dissipation plate.
The working principle of the specific embodiment is as follows: when the infrared receiver is used, infrared rays are transmitted through the infrared transmitter 6, the infrared rays are received by the infrared reflector 7 to be reflected, the reflection is angular reflection, the infrared receiver 9 receives the infrared rays after the reflection, the reflection is reverse in a certain angle after the infrared rays are received, the infrared rays are received through the infrared receiver II 8, the infrared receiver adopts bidirectional reflection to transmit and reflect the infrared rays, the coverage range is wide, and the efficiency is high.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. An infrared touch module comprises a shell, a display device, a circuit board, a heat dissipation plate, a rear panel, an infrared emitter, an infrared reflector, a second infrared receiver and a first infrared receiver; display device is installed to the interior front end of casing, the rear panel is installed to the rear end of casing, the heating panel is installed to the inboard of rear panel, the circuit board is installed to the inboard of heating panel, infrared emission unit, infrared receiving unit, infrared emission unit, its characterized in that are installed respectively to the inboard of circuit board: the infrared emission unit comprises a plurality of horizontally arranged infrared emitters, infrared rays emitted by the infrared emitters correspond to horizontally arranged infrared reflectors, the infrared reflectors incline downwards by 30-60 degrees and incline leftwards by 30-60 degrees, the infrared rays reflected by the infrared reflectors are received by a first infrared receiver arranged on the upper side of the infrared emitters, a reflection lens is arranged on the first infrared receiver, the reflection lens inclines leftwards by 30-60 degrees, and the infrared rays reflected by the reflection lens are received by a second infrared receiver arranged on the upper side of the infrared reflectors; the display device, the infrared emitter and the infrared receiver I are sequentially arranged from front to back, and the display device, the infrared reflector and the infrared receiver II are sequentially arranged from front to back.
2. The infrared touch module of claim 1, wherein: and the reflecting surface of the infrared reflector and the reflecting lens of the first infrared receiver are arranged in a reverse inclined angle.
3. The infrared touch module of claim 1, wherein: a backlight plate is arranged on the infrared emitter.
4. The infrared touch module of claim 1, wherein: the heat dissipation plate is a corrugated honeycomb heat dissipation plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710267511.3A CN107168571B (en) | 2017-04-21 | 2017-04-21 | Infrared touch module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710267511.3A CN107168571B (en) | 2017-04-21 | 2017-04-21 | Infrared touch module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107168571A CN107168571A (en) | 2017-09-15 |
| CN107168571B true CN107168571B (en) | 2020-04-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710267511.3A Expired - Fee Related CN107168571B (en) | 2017-04-21 | 2017-04-21 | Infrared touch module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107168571B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201556190U (en) * | 2010-01-06 | 2010-08-18 | 北京汇冠新技术股份有限公司 | Infrared touch screen |
| CN102778978A (en) * | 2012-06-18 | 2012-11-14 | 广州视睿电子科技有限公司 | Touch system based on infrared light identification |
| CN103235670A (en) * | 2013-04-24 | 2013-08-07 | 京东方科技集团股份有限公司 | Infrared touch module, infrared touch screen and display device |
| CN103268173A (en) * | 2013-05-30 | 2013-08-28 | 京东方科技集团股份有限公司 | Infrared touch screen |
| CN203720810U (en) * | 2013-12-06 | 2014-07-16 | 深圳市天时通科技有限公司 | Infrared touch screen with narrow frame and touch display device |
| CN104156123A (en) * | 2014-07-15 | 2014-11-19 | 合肥鑫晟光电科技有限公司 | Infrared touch screen and display device |
| CN204595816U (en) * | 2015-02-17 | 2015-08-26 | 岳彩领 | Infrared touch panel total reflection light line structure and infrared touch panel |
-
2017
- 2017-04-21 CN CN201710267511.3A patent/CN107168571B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201556190U (en) * | 2010-01-06 | 2010-08-18 | 北京汇冠新技术股份有限公司 | Infrared touch screen |
| CN102778978A (en) * | 2012-06-18 | 2012-11-14 | 广州视睿电子科技有限公司 | Touch system based on infrared light identification |
| CN103235670A (en) * | 2013-04-24 | 2013-08-07 | 京东方科技集团股份有限公司 | Infrared touch module, infrared touch screen and display device |
| CN103268173A (en) * | 2013-05-30 | 2013-08-28 | 京东方科技集团股份有限公司 | Infrared touch screen |
| CN203720810U (en) * | 2013-12-06 | 2014-07-16 | 深圳市天时通科技有限公司 | Infrared touch screen with narrow frame and touch display device |
| CN104156123A (en) * | 2014-07-15 | 2014-11-19 | 合肥鑫晟光电科技有限公司 | Infrared touch screen and display device |
| CN204595816U (en) * | 2015-02-17 | 2015-08-26 | 岳彩领 | Infrared touch panel total reflection light line structure and infrared touch panel |
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| Publication number | Publication date |
|---|---|
| CN107168571A (en) | 2017-09-15 |
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