CN204440364U - A kind of touch points of infrared touch screen recognition device - Google Patents
A kind of touch points of infrared touch screen recognition device Download PDFInfo
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- CN204440364U CN204440364U CN201520179358.5U CN201520179358U CN204440364U CN 204440364 U CN204440364 U CN 204440364U CN 201520179358 U CN201520179358 U CN 201520179358U CN 204440364 U CN204440364 U CN 204440364U
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- optical fiber
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Abstract
The utility model discloses a kind of touch points of infrared touch screen recognition device, the x of touch-screen, y direction is equipped with infrared emission optical fiber row, infrared receiver optical fiber row are arranged in the opposite side of infrared emission optical fiber row, infrared emission optical fiber row comprise several launching fibers be arranged in order, infrared receiver optical fiber row comprise several reception optical fiber be arranged in order, receive optical fiber biography light beam and the light that each reception optical fiber receives is passed to contrast with reference to circuit, launching fiber passes in light beam a reference emission light fibre, receive optical fiber by reference after the light that reference emission light fibre is launched is reflected by reflector to receive, be transmitted to contrast with reference to circuit, contrast is with reference to circuit connection control unit.Utilize launching fiber and receive optical fiber and substitute infrared transmitting tube and infrared receiving tube, cost-saving, and setting accuracy is high; Utilize contrast with reference to circuit, accurately judged whether touch point, circuit is simple, and cost is low, accuracy is high and reaction velocity is fast.
Description
Technical field
The utility model relates to a kind of touch points of infrared touch screen recognition device.
Background technology
Touch-screen is broadly divided into pressure sensitivity, electromagnetism, infrared, six kinds of type of skills such as ultrasound wave, CCD (optical image), electric capacity.The time that current pressure sensitivity, electromagnetism, infrared, ultrasonic technology come into the market, more than 10 years, has all entered technology maturation, stationary phase, and main developing direction improves the performance of product, serviceable life.
Existing touch-screen exists the problem identifying that out of true, complex structure, reaction velocity are slow.
Utility model content
The utility model, in order to solve the problem, proposes a kind of touch points of infrared touch screen recognition device, and this device can improve touch point accuracy of identification, improve recognition speed.
To achieve these goals, the utility model adopts following technical scheme:
A kind of touch points of infrared touch screen recognition device, comprise control module, contrast is with reference to circuit, launching fiber passes light beam, receive optical fiber and pass light beam, infrared emission optical fiber row and infrared receiver optical fiber row, wherein, the x of touch-screen, y direction is equipped with infrared emission optical fiber row, infrared receiver optical fiber row are arranged in the opposite side of infrared emission optical fiber row, infrared emission optical fiber row comprise several launching fibers be arranged in order, infrared receiver optical fiber row comprise several reception optical fiber be arranged in order, receive optical fiber biography light beam and the light that each reception optical fiber receives is passed to contrast with reference to circuit, launching fiber passes in light beam a reference emission light fibre, receive optical fiber by reference after the light that reference emission light fibre is launched is reflected by reflector to receive, be transmitted to contrast with reference to circuit, contrast is with reference to circuit connection control unit, when contrasting reference circuit and finding that the brightness of reception light is different with the brightness of reference emission light fibre, send a signal to control module, illustrated that touch point exists, touch point, control module location coordinate.
Described launching fiber row comprise several launching fibers, and receive optical fiber row and comprise several reception optical fiber, corresponding one of each launching fiber receives optical fiber and is arranged on the same side.
Described launching fiber passes the infrared light that beam reception infrared lamp sends, and is transferred to infrared emission optical fiber row, and launching fiber passes each launching fiber of the corresponding infrared emission optical fiber row of each optical fiber in light beam.
Described contrast is with reference to circuit, comprise power supply, phototriode to pipe and comparer, receive optical fiber biography light beam and the light that each reception optical fiber receives is passed to phototriode in pipe, launching fiber passes in light beam a reference emission light fibre, receive optical fiber by reference after the light that reference emission light fibre is launched is reflected by reflector to receive, be transmitted to phototriode another pipe to pipe, phototriode connects comparer to pipe, comparer connection control unit.
Receive optical fiber by reference after the light that described reference emission light fibre is launched is reflected by reflector to receive.Reflector is fixed in shading box by reflector adjusting screw.
It is corresponding with its position that each launching fiber that described infrared emission optical fiber arranges all is set with coordinate.
It is corresponding with its position that each reception optical fiber that described infrared receiver optical fiber arranges all is set with coordinate.
Described coordinate information is stored in control module.
Described control module connects scanning element, for carrying out the scanning successively of every root receiving fiber to touch-screen.
Principle of work of the present utility model is: when not touching, contrast is identical with reference to the intensity of illumination of two phototriodes of circuit, comparer output low level, when touch-screen has touch, contrast can be different with reference to the intensity of illumination of two phototriodes of circuit, and comparer exports high level, control module makes scanning element scan successively reception light, in conjunction with control module according to the coordinate information stored, locate the scope be blocked a little, be place, touch point.
The beneficial effects of the utility model are:
(1) utilize launching fiber and receive optical fiber and substitute infrared transmitting tube and infrared receiving tube, cost-saving, and setting accuracy is high;
(2) utilize contrast with reference to circuit, accurately judged whether touch point, circuit is simple, and cost is low, accuracy is high and reaction velocity is fast.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Wherein, 1, launching fiber passes light beam; 2, receive optical fiber and pass light beam; 3, reference emission light is fine; 4, reflector adjusting screw; 5, reflector; 6, shading box; 7, reference receives optical fiber; 8, lens; 9, phototriode is to pipe; 10, comparer; 11, control module.
Embodiment:
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail.
As shown in Figure 1, a kind of touch points of infrared touch screen recognition device, comprise control module 11, contrast is with reference to circuit, launching fiber passes light beam 1, receive optical fiber and pass light beam 2, infrared emission optical fiber row and infrared receiver optical fiber row, wherein, the x of touch-screen, y direction is equipped with infrared emission optical fiber row, infrared receiver optical fiber row are arranged in the opposite side of infrared emission optical fiber row, infrared emission optical fiber row comprise several launching fibers be arranged in order, infrared receiver optical fiber row comprise several reception optical fiber be arranged in order, receive optical fiber biography light beam 2 and the light that each reception optical fiber receives is passed to contrast with reference to circuit, launching fiber passes in light beam 1 a reference emission light fibre 3, receive optical fiber by reference after the light that reference emission light fine 3 is launched is reflected by reflector to receive, be transmitted to contrast with reference to circuit, contrast is with reference to circuit connection control unit 11, when contrasting reference circuit and finding that the brightness of reception light is different with the brightness of reference emission light fibre 3, send a signal to control module 11, illustrated that touch point exists, control module 11 locates touch point coordinate.
Receive optical fiber 7 by reference after the light that reference emission light fine 3 is launched is reflected by reflector 5 to receive.Reflector 5 is fixed in shading box 6 by reflector adjusting screw 4.
Launching fiber row comprise several launching fibers, and receive optical fiber row and comprise several reception optical fiber, corresponding one of each launching fiber receives optical fiber and is arranged on the same side.
Launching fiber biography light beam 1 receives the infrared light that infrared lamp sends, and is transferred to infrared emission optical fiber row, and launching fiber passes each launching fiber of the corresponding infrared emission optical fiber row of each optical fiber in light beam 1.
Contrast is with reference to circuit, comprise power supply, phototriode to pipe 9 and comparer 10, receive optical fiber biography light beam 2 and the light that each reception optical fiber receives is passed to phototriode in pipe 9, launching fiber passes in light beam 1 a reference emission light fibre 3, receive optical fiber by reference after the light that reference emission light fine 3 is launched is reflected by reflector to receive, be transmitted to phototriode another pipe to pipe 9, phototriode connects comparer 10 to pipe 9, comparer 10 connection control unit 11, phototriode is provided with lens 8 to before T1 and the T2 pipe of pipe 9.
It is corresponding with its position that each launching fiber that infrared emission optical fiber arranges all is set with coordinate.
It is corresponding with its position that each reception optical fiber that infrared receiver optical fiber arranges all is set with coordinate.
Coordinate information is stored in control module 11.
Control module 11 connects scanning element, for carrying out the scanning successively of every root receiving fiber to touch-screen.
Principle of work of the present utility model is: when not touching, contrast is identical with reference to the intensity of illumination of two phototriodes of circuit, comparer 10 output low level, when touch-screen has touch, contrast can be different with reference to the intensity of illumination of two phototriodes of circuit, and comparer 10 exports high level, control module 11 makes scanning element scan successively reception light, in conjunction with control module according to the coordinate information stored, locate the scope be blocked a little, be place, touch point.
By reference to the accompanying drawings embodiment of the present utility model is described although above-mentioned; but the restriction not to the utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection domain of the present utility model.
Claims (8)
1. a touch points of infrared touch screen recognition device, it is characterized in that: comprise control module, contrast is with reference to circuit, launching fiber passes light beam, receive optical fiber and pass light beam, infrared emission optical fiber row and infrared receiver optical fiber row, wherein, the x of touch-screen, y direction is equipped with infrared emission optical fiber row, infrared receiver optical fiber row are arranged in the opposite side of infrared emission optical fiber row, infrared emission optical fiber row comprise several launching fibers be arranged in order, infrared receiver optical fiber row comprise several reception optical fiber be arranged in order, receive optical fiber biography light beam and the light that each reception optical fiber receives is passed to contrast with reference to circuit, launching fiber passes in light beam a reference emission light fibre, receive optical fiber by reference after the light that reference emission light fibre is launched is reflected by reflector to receive, be transmitted to contrast with reference to circuit, contrast is with reference to circuit connection control unit, when contrasting reference circuit and finding that the brightness of reception light is different with the brightness of reference emission light fibre, send a signal to control module, illustrated that touch point exists, touch point, control module location coordinate.
2. a kind of touch points of infrared touch screen recognition device as claimed in claim 1, it is characterized in that: described launching fiber row comprise several launching fibers, receive optical fiber row and comprise several reception optical fiber, corresponding one of each launching fiber receives optical fiber and is arranged on the same side.
3. a kind of touch points of infrared touch screen recognition device as claimed in claim 1, it is characterized in that: described launching fiber passes the infrared light that beam reception infrared lamp sends, and being transferred to infrared emission optical fiber row, launching fiber passes each launching fiber of the corresponding infrared emission optical fiber row of each optical fiber in light beam.
4. a kind of touch points of infrared touch screen recognition device as claimed in claim 1, it is characterized in that: described contrast is with reference to circuit, comprise power supply, phototriode is to pipe and comparer, receive optical fiber biography light beam and the light that each reception optical fiber receives is passed to phototriode in pipe, launching fiber passes in light beam a reference emission light fibre, receive optical fiber by reference after the light that reference emission light fibre is launched is reflected by reflector to receive, be transmitted to phototriode another pipe to pipe, phototriode connects comparer to pipe, comparer connection control unit.
5. a kind of touch points of infrared touch screen recognition device as claimed in claim 1, is characterized in that: it is corresponding with its position that each launching fiber that described infrared emission optical fiber arranges all is set with coordinate.
6. a kind of touch points of infrared touch screen recognition device as claimed in claim 1, is characterized in that: it is corresponding with its position that each reception optical fiber that described infrared receiver optical fiber arranges all is set with coordinate.
7. a kind of touch points of infrared touch screen recognition device as claimed in claim 6, is characterized in that: described coordinate information is stored in control module.
8. a kind of touch points of infrared touch screen recognition device as claimed in claim 1, is characterized in that: described control module connects scanning element, for carrying out the scanning successively of every root receiving fiber to touch-screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520179358.5U CN204440364U (en) | 2015-03-27 | 2015-03-27 | A kind of touch points of infrared touch screen recognition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520179358.5U CN204440364U (en) | 2015-03-27 | 2015-03-27 | A kind of touch points of infrared touch screen recognition device |
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| Publication Number | Publication Date |
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| CN204440364U true CN204440364U (en) | 2015-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520179358.5U Expired - Fee Related CN204440364U (en) | 2015-03-27 | 2015-03-27 | A kind of touch points of infrared touch screen recognition device |
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| CN (1) | CN204440364U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106095200A (en) * | 2016-05-26 | 2016-11-09 | 京东方科技集团股份有限公司 | Touch screen and display device |
| CN112218139A (en) * | 2020-10-23 | 2021-01-12 | 广东长虹电子有限公司 | Infrared light short-distance switch control method and system and television |
| CN112367548A (en) * | 2020-10-23 | 2021-02-12 | 广东长虹电子有限公司 | Electronic element for realizing integration of IR remote control and infrared light reflection induction |
-
2015
- 2015-03-27 CN CN201520179358.5U patent/CN204440364U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106095200A (en) * | 2016-05-26 | 2016-11-09 | 京东方科技集团股份有限公司 | Touch screen and display device |
| CN106095200B (en) * | 2016-05-26 | 2019-08-30 | 京东方科技集团股份有限公司 | Touch screen and display device |
| CN112218139A (en) * | 2020-10-23 | 2021-01-12 | 广东长虹电子有限公司 | Infrared light short-distance switch control method and system and television |
| CN112367548A (en) * | 2020-10-23 | 2021-02-12 | 广东长虹电子有限公司 | Electronic element for realizing integration of IR remote control and infrared light reflection induction |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160829 Address after: 250101 Shandong District, Ji'nan Lixia District, Foshan District, No. 3 District 501-B11 Patentee after: Shandong Vation Shenzhou Information Technology Co., Ltd. Address before: 1105, room 3966, block C, east ring International Plaza, No. 250199, 2nd East Road, Shandong, Ji'nan Patentee before: Shandong Ju Yang Zhong great digital technology company limited |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170204 Address after: Room 1105, block C, East International Plaza, No. 3966 East Fourth Ring Road, Ji''nan, Shandong, China Patentee after: Shandong Ju Yang Zhong great digital technology company limited Address before: 250101 Shandong District, Ji''nan Lixia District, Foshan District, No. 3 District 501-B11 Patentee before: Shandong Vation Shenzhou Information Technology Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150701 Termination date: 20200327 |
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| CF01 | Termination of patent right due to non-payment of annual fee |