CN105224148A - Power adjustment method and device for infrared touch frame - Google Patents
Power adjustment method and device for infrared touch frame Download PDFInfo
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- CN105224148A CN105224148A CN201510680774.8A CN201510680774A CN105224148A CN 105224148 A CN105224148 A CN 105224148A CN 201510680774 A CN201510680774 A CN 201510680774A CN 105224148 A CN105224148 A CN 105224148A
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- infrared touch
- touch frame
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- 238000012544 monitoring process Methods 0.000 claims abstract description 12
- 238000001514 detection method Methods 0.000 claims description 39
- 239000000523 sample Substances 0.000 claims description 15
- 230000001105 regulatory effect Effects 0.000 claims description 14
- 230000008859 change Effects 0.000 claims description 5
- 230000002159 abnormal effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 5
- 230000002452 interceptive effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
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Abstract
The invention discloses a power adjustment method and a device of an infrared touch frame, wherein the power adjustment method comprises the following steps: detecting whether the shielded time in front of the touch surface of the infrared touch frame exceeds a preset time threshold value; monitoring whether the front of the touch surface of the infrared touch frame is changed from being shielded to being not shielded; and if the shielded time in front of the touch surface of the infrared touch frame exceeds a preset time threshold and the front of the touch surface of the infrared touch frame is changed from being shielded to not being shielded, resetting or quickly adjusting the transmitting power of the infrared touch frame. The invention can solve the problem of abnormal work when the infrared touch frame is changed from being shielded to being not shielded, and realizes the quick reset or adjustment of the transmitting power of the infrared touch frame.
Description
Technical field
The present invention relates to electronic technology field, particularly relate to a kind of power regulating method and device of infrared touch frame.
Background technology
Multimedia teaching is also called computer-aided instruction (computerassistedinstruction, CAI).Originate from start the eighties in 20th century occur the multiple electronic medium of employing as integrated use and classroom instructions such as lantern slide, projection, recording, video recordings.The nineties rises, and developing rapidly and popularizing along with computer technology, multimedia computer progressively instead of the comprehensive use status of Multiform Teaching Media in the past.The early 21st century, day by day ripe along with infrared touch technology, the interactive intelligent flat board with infrared touch frame is applied in the middle of teaching more and more, for modern teaching bring more convenient and interactive.
Existing a kind of conventional application scenarios as shown in Figure 1, Intelligent flat Z1 with infrared touch frame K1 is installed on the centre of Reelable blackboard B1, B2, blackboard B1, B2 can horizontally slip in the direction of the arrow, when not needing to use Intelligent flat Z1, Intelligent flat Z1 can be blocked by Sliding blackboard B1, B2, when Intelligent flat Z1 is blocked by blackboard, infrared touch frame K1 on Intelligent flat Z1 is also blocked, launch because Infrared, at the back side of blackboard B1, B2, minute surface occurs, as shown in Figure 3, K
l1for the infrared emission end of infrared touch frame K1, K
l2for the infrared receiver end of described infrared touch frame K1, transmitting terminal K
l1the Infrared of launching is except directly sending to receiving end K by light path S1
l2outward, also receiving end K is sent to by the reflected light path S2 at blackboard B1, B2 back side
l2, receiving end K
l2the signal grow received, has automatic adjustment mechanism slowly owing to touching frame, meeting reduction transmitting terminal K gradually
l1emissive power, until receiving end K
l2the infrared signal intensity received is reduced to the same state when not blocked by blackboard, but after adjustment process carries out major part or end, if now throw open blackboard, light path S2 will disappear at once, receiving end K
l2the infrared signal received can reduce suddenly, causes infrared touch frame operation irregularity, can not be used immediately, although touch frame can increase emissive power with cumulative mode automatic slowly, this process consumes time is long, affects user and uses.
Summary of the invention
The object of the embodiment of the present invention is the power regulating method and the device that propose a kind of infrared touch frame, solves infrared touch frame changes operation irregularity when not being blocked into problem from being blocked.
To achieve these goals, embodiments provide a kind of power regulating method of infrared touch frame, comprising:
Whether the time that in face of the touch of detection infrared touch frame, side is blocked exceedes the time threshold preset; And whether side changes into by being blocked and is not blocked in face of the touch monitoring described infrared touch frame;
If time of being blocked of side exceedes the time threshold that presets and in face of the touch of described infrared touch frame, side changes into when not being blocked by being blocked in face of the touch of described infrared touch frame, the emissive power of described infrared touch frame is resetted or rapid adjustment.
Preferably, whether the time that in face of the touch of described detection infrared touch frame, side is blocked exceedes the time threshold preset; And in face of the touch monitoring described infrared touch frame, whether side changes into by being blocked and is not blocked, and is specially:
Whether the time be blocked by side in face of the touch of occlusion detection device detection infrared touch frame exceedes the time threshold preset; And whether changed into by being blocked by side in face of the touch of infrared touch frame described in described occlusion detection assembly monitor and be not blocked;
Wherein, described occlusion detection device is one or more combinations in infrared probe, laser probe and range finder module.
Preferably, whether the time that in face of the touch of described detection infrared touch frame, side is blocked exceedes the time threshold preset, and is specially:
In face of the touch detecting described infrared touch frame, whether side is blocked;
When side is blocked in face of the touch of described infrared touch frame, starts timer and carry out timing;
Judge whether the time on described timer exceedes the time threshold preset.
Preferably, the described emissive power to described infrared touch frame resets or rapid adjustment, is specially:
The emissive power of described infrared touch frame is reverted to the performance number preset, or adopts the emissive power of dichotomy to described infrared touch frame to carry out rapid adjustment.
Correspondingly, the embodiment of the present invention additionally provides a kind of power adjustment apparatus of infrared touch frame, comprises micro-control unit and at least one occlusion detection device; Described micro-control unit comprises and blocks time detecting module, occlusion state monitoring module and emissive power adjusting module;
Describedly block time detecting module, for detected described infrared touch frame by described occlusion detection device touch in face of side whether to be blocked the time threshold exceeding and preset;
Whether described occlusion state monitoring module, change into by being blocked for side in face of the touch by infrared touch frame described in described occlusion detection assembly monitor and be not blocked;
Described emissive power adjusting module, if exceed for time of being blocked of side in face of the touch of described infrared touch frame the time threshold that presets and in face of the touch of described infrared touch frame, side changes into when not being blocked by being blocked, the emissive power of described infrared touch frame is resetted or rapid adjustment.
Preferably, described occlusion detection device is one or more combinations in infrared probe, laser probe and range finder module.
Preferably, block time detecting module described in comprise:
Detecting unit, for detected described infrared touch frame by described occlusion detection device touch in face of side whether be blocked;
Timing unit, for when side is blocked in face of the touch of described infrared touch frame, starts timer and carries out timing;
Judging unit, for judging whether the time on described timer exceedes the time threshold preset.
Preferably, described emissive power adjusting module comprises reset unit or adjustment unit;
Described reset unit, for reverting to the emissive power of described infrared touch frame the performance number preset;
Described adjustment unit, carries out rapid adjustment for adopting the emissive power of dichotomy to described infrared touch frame.
The power regulating method of the infrared touch frame that the embodiment of the present invention provides and device, Intelligent flat with infrared touch frame increases occlusion detection device, occlusion state square in face of the touch of described infrared touch frame is detected by described occlusion detection device, in face of the touch described infrared touch frame being detected, side to change into when not being blocked by being blocked, the emissive power of described infrared touch frame is resetted or rapid adjustment, make infrared touch frame in very short time, recover normal work, efficiently solve infrared touch frame changes operation irregularity when not being blocked into problem by being blocked, be conducive to improving Consumer's Experience.
Accompanying drawing explanation
Fig. 1 is the use scenes schematic diagram of the Intelligent flat of existing band infrared touch frame;
Fig. 2 is the schematic diagram blocked by blackboard in the Intelligent flat use procedure of existing band infrared touch frame;
Fig. 3 is the light path schematic diagram of the Intelligent flat of existing band infrared touch frame when being blocked by blackboard;
Fig. 4 is the process flow diagram of an embodiment of the power regulating method of infrared touch frame provided by the invention;
Fig. 5 is the process flow diagram of step S1 that provides of embodiment as shown in Figure 4;
Fig. 6 is a kind of application scenarios schematic diagram of the power regulating method of infrared touch frame provided by the invention;
Fig. 7 is the principle of work schematic diagram of occlusion detection device in application scenarios as shown in Figure 6;
Fig. 8 is the structural drawing of an embodiment of the power adjustment apparatus of infrared touch frame provided by the invention;
Fig. 9 is the structural representation blocking time detecting module that provides of embodiment as shown in Figure 8.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
See Fig. 4, it is the process flow diagram of an embodiment of the power regulating method of infrared touch frame provided by the invention.In the middle of concrete enforcement, described infrared touch frame is arranged on Intelligent flat to realize the touch function of Intelligent flat, the outside or inside of described infrared touch frame is provided with at least one occlusion detection device, in face of the touch of described infrared touch frame, the state whether be blocked of side is detected by described occlusion detection device, described occlusion detection device is preferably infrared probe, one or more combinations in laser probe and range finder module, described range finder module can be infrared, laser or ultrasound wave etc. can be used for measuring the range finder module with shelter distance, described power regulating method comprises step S1 ~ S3:
S1, whether the time that in face of the touch of detection infrared touch frame, side is blocked exceedes the time threshold preset; As shown in Figure 5, in the middle of concrete enforcement, described step S1 specifically comprises:
S11, in face of the touch detecting described infrared touch frame, whether side is blocked;
S12, when side is blocked in face of the touch of described infrared touch frame, starts timer and carries out timing;
S13, judges whether the time on described timer exceedes the threshold value preset.
S2, in face of the touch monitoring described infrared touch frame, whether side changes into by being blocked and is not blocked;
S3, if time of being blocked of side exceedes the time threshold that presets and in face of the touch of described infrared touch frame, side changes into when not being blocked by being blocked in face of the touch of described infrared touch frame, the emissive power of described infrared touch frame is resetted or rapid adjustment.
One preferred embodiment in the middle of, the described emissive power to described infrared touch frame resets or rapid adjustment, is specially:
The emissive power of described infrared touch frame is reverted to the performance number preset, or adopts the emissive power of dichotomy to described infrared touch frame to carry out rapid adjustment.
Should be noted that, usually the emissive power of incremental method to infrared touch frame is adopted to adjust in prior art, such as, when the infrared signal received when infrared touch frame is crossed weak, prior art will progressively increase the emissive power of touch frame to make the strength maintenance of the infrared signal received in certain scope, if current power is 10W, power needed for normal work is 20W, if adjusted by each method increasing 1W in prior art, then could normal work after needing to carry out 10 adjustment.And the emissive power rapid adjustment that the present invention adopts dichotomy to carry out infrared touch frame, power is adjusted to number in currency and desired value at every turn, only needs the power adjustment carrying out few number of times, the normal work of infrared touch frame can be recovered within the extremely short time.It will be understood by those skilled in the art that and adopt dichotomy to be only one of the present invention preferred embodiment, the present invention can also realize the rapid adjustment touching frame emissive power by other means.
A kind of concrete application scenarios as shown in Figure 6, Z1 is the Intelligent flat with infrared touch frame K1, occlusion detection device T1, T2 adopt one or more combinations in infrared probe, laser probe and range finder module, and be preferably mounted at the corner location of Intelligent flat Z1, the lower left corner and the lower right corner of Intelligent flat Z1 can be arranged on as shown in the figure, Reelable blackboard B1, B2 can horizontally slip and block Intelligent flat (i.e. in face of the touch of infrared touch frame, side is blocked), when Intelligent flat is blocked, the light that probe T1, T2 send is reflected by blackboard, as shown in Figure 7.When receiving when popping one's head in the light be reflected back, namely judge that infrared touch frame is current to be just blocked, and trigger the MCU timing of Intelligent flat Z1 inside, after touch frame is blocked and exceedes default time threshold, as blackboard B1, when B2 removes, touch frame to change into by being blocked and be not blocked, the signal that infrared touch frame receives as described in the background art weakens rapidly, and cannot normally work, and the present invention now MCU will judge infrared touch frame operation irregularity, Rapid reset is carried out to touch frame or notifies that touching frame carries out rapid adjustment, the emissive power touching frame is recovered rapidly, to recover the normal operating conditions touching frame within the extremely short time.
See Fig. 8, it is the structural drawing of an embodiment of the power adjustment apparatus of infrared touch frame provided by the invention.The ultimate principle of the present embodiment is consistent with ultimate principle embodiment illustrated in fig. 4, in the present embodiment in detail part is not described in detail, can associated description in embodiment shown in Figure 4.
As shown in Figure 8, the power adjustment apparatus of described infrared touch frame comprises micro-control unit 82 and at least one occlusion detection device 81; Described micro-control unit 82 comprises and blocks time detecting module 821, occlusion state monitoring module 822 and emissive power adjusting module 823;
Describedly block time detecting module 821, for detected described infrared touch frame 83 by described occlusion detection device 81 touch in face of side whether to be blocked the time threshold exceeding and preset;
Described occlusion state monitoring module 822, in face of the touch being monitored described infrared touch frame 83 by described occlusion detection device 81, whether side changes into by being blocked and is not blocked;
Described emissive power adjusting module 823, if exceed for time of being blocked of side in face of the touch of described infrared touch frame 83 time threshold that presets and in face of the touch of described infrared touch frame 83, side changes into when not being blocked by being blocked, the emissive power of described infrared touch frame 83 is resetted or rapid adjustment.
Described occlusion detection device 82 is preferably one or more combinations in infrared probe, laser probe or range finder module.
As shown in Figure 9, in the middle of concrete enforcement, described in block time detecting module 821 and comprise:
Detecting unit 8211, for detected described infrared touch frame 83 by described occlusion detection device 81 touch in face of side whether be blocked;
Timing unit 8212, for when side is blocked in face of the touch of described infrared touch frame 83, starts timer and carries out timing;
Judging unit 8213, for judging whether the time on described timer exceedes the threshold value preset.
Though do not draw in figure, described in working as in concrete enforcement, emissive power adjusting module 823 comprises reset unit or adjustment unit;
Described reset unit, for reverting to the emissive power of described infrared touch frame the performance number preset;
Described adjustment unit, carries out rapid adjustment for adopting the emissive power of dichotomy to described infrared touch frame.
In sum, the power regulating method of the infrared touch frame that the embodiment of the present invention provides and device, Intelligent flat with infrared touch frame increases occlusion detection device, occlusion state square in face of the touch of described infrared touch frame is detected by described occlusion detection device, in face of the touch described infrared touch frame being detected, side to change into when not being blocked by being blocked, the emissive power of described infrared touch frame is resetted or rapid adjustment, make infrared touch frame in very short time, recover normal work, efficiently solve infrared touch frame changes operation irregularity when not being blocked into problem by being blocked, be conducive to improving Consumer's Experience.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (8)
1. a power regulating method for infrared touch frame, is characterized in that, comprising:
Whether the time that in face of the touch of detection infrared touch frame, side is blocked exceedes the time threshold preset; And whether side changes into by being blocked and is not blocked in face of the touch monitoring described infrared touch frame;
If time of being blocked of side exceedes the time threshold that presets and in face of the touch of described infrared touch frame, side changes into when not being blocked by being blocked in face of the touch of described infrared touch frame, the emissive power of described infrared touch frame is resetted or rapid adjustment.
2. the power regulating method of infrared touch frame as claimed in claim 1, is characterized in that, whether the time that in face of the touch of described detection infrared touch frame, side is blocked exceedes the time threshold preset; And in face of the touch monitoring described infrared touch frame, whether side changes into by being blocked and is not blocked, and is specially:
Whether the time be blocked by side in face of the touch of occlusion detection device detection infrared touch frame exceedes the time threshold preset; And whether changed into by being blocked by side in face of the touch of infrared touch frame described in described occlusion detection assembly monitor and be not blocked;
Wherein, described occlusion detection device is one or more combinations in infrared probe, laser probe and range finder module.
3. the power regulating method of infrared touch frame as claimed in claim 1, is characterized in that, whether the time that in face of the touch of described detection infrared touch frame, side is blocked exceedes the time threshold preset, and is specially:
In face of the touch detecting described infrared touch frame, whether side is blocked;
When side is blocked in face of the touch of described infrared touch frame, starts timer and carry out timing;
Judge whether the time on described timer exceedes the time threshold preset.
4. the power regulating method of infrared touch frame as claimed in claim 1, it is characterized in that, the described emissive power to described infrared touch frame resets or rapid adjustment, is specially:
The emissive power of described infrared touch frame is reverted to the performance number preset, or adopts the emissive power of dichotomy to described infrared touch frame to carry out rapid adjustment.
5. a power adjustment apparatus for infrared touch frame, is characterized in that, comprises micro-control unit and at least one occlusion detection device; Described micro-control unit comprises and blocks time detecting module, occlusion state monitoring module and emissive power adjusting module;
Describedly block time detecting module, for detected described infrared touch frame by described occlusion detection device touch in face of side whether to be blocked the time threshold exceeding and preset;
Whether described occlusion state monitoring module, change into by being blocked for side in face of the touch by infrared touch frame described in described occlusion detection assembly monitor and be not blocked;
Described emissive power adjusting module, if exceed for time of being blocked of side in face of the touch of described infrared touch frame the time threshold that presets and in face of the touch of described infrared touch frame, side changes into when not being blocked by being blocked, the emissive power of described infrared touch frame is resetted or rapid adjustment.
6. the power adjustment apparatus of infrared touch frame as claimed in claim 5, is characterized in that, described occlusion detection device is one or more combinations in infrared probe, laser probe and range finder module.
7. the power adjustment apparatus of infrared touch frame as claimed in claim 5, is characterized in that, described in block time detecting module and comprise:
Detecting unit, for detected described infrared touch frame by described occlusion detection device touch in face of side whether be blocked;
Timing unit, for when side is blocked in face of the touch of described infrared touch frame, starts timer and carries out timing;
Judging unit, for judging whether the time on described timer exceedes the time threshold preset.
8. the power adjustment apparatus of infrared touch frame as claimed in claim 5, it is characterized in that, described emissive power adjusting module comprises reset unit or adjustment unit;
Described reset unit, for reverting to the emissive power of described infrared touch frame the performance number preset;
Described adjustment unit, carries out rapid adjustment for adopting the emissive power of dichotomy to described infrared touch frame.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510680774.8A CN105224148B (en) | 2015-10-19 | 2015-10-19 | Power adjustment method and device for infrared touch frame |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510680774.8A CN105224148B (en) | 2015-10-19 | 2015-10-19 | Power adjustment method and device for infrared touch frame |
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| CN105224148A true CN105224148A (en) | 2016-01-06 |
| CN105224148B CN105224148B (en) | 2018-10-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114115611A (en) * | 2021-12-02 | 2022-03-01 | 深圳市佳锐拓科技有限公司 | Trilateral infrared touch screen |
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|---|---|---|---|---|
| CN102411457A (en) * | 2010-09-21 | 2012-04-11 | 北京鸿合盛视数字媒体技术有限公司 | Electronic whiteboard, display equipment, adaptive transmitted power regulation method and system for electronic whiteboard and display equipment |
| US20120098797A1 (en) * | 2010-10-26 | 2012-04-26 | Jun-Seok Oh | Display device using infrared sensor module and method of driving the same |
| CN103885647A (en) * | 2014-03-17 | 2014-06-25 | 深圳市创凯电子有限公司 | Self-adapting restoring method for touch screen device and touch screen device |
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2015
- 2015-10-19 CN CN201510680774.8A patent/CN105224148B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102411457A (en) * | 2010-09-21 | 2012-04-11 | 北京鸿合盛视数字媒体技术有限公司 | Electronic whiteboard, display equipment, adaptive transmitted power regulation method and system for electronic whiteboard and display equipment |
| US20120098797A1 (en) * | 2010-10-26 | 2012-04-26 | Jun-Seok Oh | Display device using infrared sensor module and method of driving the same |
| CN103885647A (en) * | 2014-03-17 | 2014-06-25 | 深圳市创凯电子有限公司 | Self-adapting restoring method for touch screen device and touch screen device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114115611A (en) * | 2021-12-02 | 2022-03-01 | 深圳市佳锐拓科技有限公司 | Trilateral infrared touch screen |
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