CN102467314A - Portable electronic device and display panel pressure monitoring method - Google Patents
Portable electronic device and display panel pressure monitoring method Download PDFInfo
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- CN102467314A CN102467314A CN2010105321903A CN201010532190A CN102467314A CN 102467314 A CN102467314 A CN 102467314A CN 2010105321903 A CN2010105321903 A CN 2010105321903A CN 201010532190 A CN201010532190 A CN 201010532190A CN 102467314 A CN102467314 A CN 102467314A
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Abstract
The invention discloses a portable electronic device, which comprises a display panel, a pressure detection module and a microprocessor, wherein the pressure detection module is used for starting detecting the intensity of a pressure currently subjected to the display panel when receiving an enabling signal, and generating a detection result; the microprocessor generates the enabling signal to enable the pressure detection module when the display panel enters a sleep mode, receives the detection result from the pressure detection module, judges whether the intensity exceeds a pressure critical value or not according to the detection result and generates a warning signal when the intensity reaches the pressure critical value; and the display panel also displays a warning picture according to the warning signal.
Description
Technical field
The invention relates to a kind of supervising device and method, especially in regard to anti-supervising device and the method for pressing of a kind of screen of electronic installation.
Background technology
Along with development of science and technology, the kind of consumer electronic product is more and more, and volume is also done more and more forr a short time.Therefore, increasing product has been developed becomes portable electronic devices, for example mobile phone, personal digital assistant (personal digital assistant, PDA), notebook computer, flat computer or the like.
Yet the convenience that carries also might cause some negative influences for electronic installation.For example, when the user is put in electronic installation in the pocket of trousers, be urged to device when Chang Yin sits down and unconscious, or electronic installation is put in the knapsack, make electronic installation by other weight extruding.Owing to receive huge external force pressure, the display panel of electronic installation is damage rupture therefore, and causes the user can't watch screen, also can't normally use this electronic installation, and possibly need an extra cost update displayed panel at last.
In view of this, the present invention proposes a kind of anti-monitoring system design of pressing of screen of electronic installation, can effectively detect the dangerous pressure source, and warn the user in good time, thus, can avoid electronic installation impaired because of improper external force, prolongs the life-span of electronic installation.
Summary of the invention
According to one embodiment of the invention, a kind of portable electronic devices comprises display panel, pressure detection module and microprocessor.When the pressure detection module is used to receive an activation signal, begin to detect an intensity of the present pressure that bears of display panel, and produce a testing result.When microprocessor gets into a sleep pattern when this display panel; Produce this enable signal and come this pressure detection module of activation; And from pressure detection module reception testing result; To judge that according to testing result whether this intensity surpasses a pressure threshold, and when this intensity has arrived this pressure threshold, produce an alarm signal.Display panel more shows a caution picture according to alarm signal.
According to another embodiment of the present invention, a kind of display panel pressure monitoring method comprises: when a display panel gets into a sleep pattern, and activation one pressure detection module; Utilize this pressure detection module to detect an intensity of the present pressure that bears of this display panel, and produce a testing result; Judge that according to this testing result whether this intensity surpasses a pressure threshold, and when this intensity has arrived this pressure threshold, produce an alarm signal and a wake-up signal; And according to this display panel of this wake-up signal wakes.
Description of drawings
Fig. 1 shows according to the described portable electronic devices calcspar of one embodiment of the invention.
Fig. 2 is the dangerous pressure caution synoptic diagram that shows according to the described portable electronic devices of one embodiment of the invention.
Fig. 3 shows according to the described pressure detection module circuit diagram of one embodiment of the invention.
Fig. 4 shows according to the described pressure detection module of one embodiment of the invention putting position synoptic diagram.
Fig. 5 shows according to the described pressure detection method process flow diagram of one embodiment of the invention.
Fig. 6 is the testing process figure of first that demonstrates according in the described two stage pressure detection methods of one embodiment of the invention.
Fig. 7 shows according to the described calculation of pressure method flow diagram of one embodiment of the invention.
[main element label declaration]
100～portable electronic devices; 101～display panel;
102～pressure detection module; 103～microprocessor;
104～loudspeaker arrangement; 105～shaking device;
106～touch control detection unit; 301～current source;
302～electric bridge; 303, ADC～analog-to-digital converter;
Input+, Input-～input end; Is～electric current;
Output+, Output-～output terminal; R1, R2, R3, R4～resistance;
S_detection～testing result; S_warning～alarm signal.
Embodiment
For making manufacturing of the present invention, method of operating, target and the advantage can be more obviously understandable, hereinafter is special lifts several preferred embodiments, and cooperates appended graphicly, elaborates as follows.It should be noted that the following content that discloses can provide a plurality of embodiment or examples in order to put into practice different characteristics of the present invention.Special element example of the following stated and arrangement are not in order to limit scope of the present invention only in order to set forth spirit of the present invention in brief.In addition; The term of relevant spatial relationship; For example " lower ", " higher ", " level ", " vertically ", " in ... top ", " in ... below ", " on ", D score, " top ", " bottom " and other (for example, " flatly ", " downwards ", " up " or the like) such as terms of deriving be the relation of describing out a characteristic of the present invention and another feature in order to simple.The different direction location of the device that comprises those characteristics can be contained in the term of these spatial relationships.
Embodiment:
Fig. 1 shows according to the described portable electronic devices calcspar of one embodiment of the invention.Portable electronic devices 100 comprises display panel 101, pressure detection module 102, microprocessor 103, loudspeaker arrangement 104 and shaking device 105.Pressure detection module 102 is configured in contiguous display panel 101 places, in order to an intensity of detection display panel 101 present pressure that bear, and produces a testing result S_detection.Microprocessor 103 is in order to handle the digital signal of portable electronic devices 100; Operation with control portable electronic devices 100; Wherein according to embodiments of the invention; Microprocessor 103 receives testing result S_detection from pressure detection module 102, judges that according to the testing result S_detection that receives whether the intensity of the display panel 101 present pressure that bear surpasses a pressure threshold, and when this intensity has arrived pressure threshold, produce an alarm signal S_warning.
According to one embodiment of the invention, display panel 101 receives alarm signal S_warning, and as shown in Figure 2ly can show a caution picture according to alarm signal S_warning, receive excessive external force pressure in order to the present electronic installation of prompting user.According to other embodiments of the invention; The loudspeaker arrangement 104 that alarm signal S_warning also can be sent to portable electronic devices 100 simultaneously with and/or shaking device 105, in order to as shown in Figure 2 respectively according to alarm signal S_warning send a caution sound with and/or caution vibrations.
Fig. 3 shows according to the described pressure detection module circuit diagram of one embodiment of the invention.In one embodiment of the invention, the pressure detection module can comprise a plurality of pressure drags (piezoresistance) element, resistance R 1, R2, R3 and R4 for example shown in Figure 3, and respectively having can be along with a resistance value of the STRESS VARIATION that receives.As shown in the figure, Wheatstone bridge (Wheatstone bridge) 302 and analog-to-digital converter (ADC) 303 that the pressure detection module can comprise current source 301, be made up of these pressure drag components.Current source 301 is in order to provide an electric current I s two input end Input+ and Input-to Wheatstone bridge 302.Resistance R 1, R2, R3 and R4 received current Is, and between output terminal Output+ and Output-, produce a voltage difference.Since this circuit can will be small resistance change amplify, the voltage difference variation that therefore between the output terminal Output+ of Wheatstone bridge 302 and Output-, is produced can reflect the variation of pressure intensity.Digital quantizer (ADC) 303 is coupled to the output terminal Output+ and the Output-of Wheatstone bridge 302, in order to the voltage difference that receives is converted to a digital voltage difference as testing result S_detection.
Yet, it should be noted that Fig. 3 only in order to show preferred embodiment of the present invention, not in order to restriction the present invention.Pressure detection module 102 proposed by the invention also can use different pressure detecting elements and method to implement.For example; According to another embodiment of the present invention; Pressure detection module 102 can be a capacitance pressure transducer, also, and the ceramic diaphragm that wherein comprises can be crooked according to testing pressure, and different degree of crook can change the electric capacity of element; Be the variation of curtage through the electronic circuit that couples with the change transitions of electric capacity again, in order to reflect the intensity of testing pressure.According to another embodiment again of the present invention; Pressure detection module 102 also can be the semiconductor pressure transducer; Applying piezoelectric semiconductor pressure sensor and bridge resistor form obtain measurement result, on the silicon stilt, utilize the method for diffusion, in order to produce diaphragm; The unit that comprises bridge resistor is fixed on support glass with Electrostatic Treatment, forms mechanical isolation with the external world by this.When siliceous diaphragm was partial to, the output of electric bridge was just along with change, in order to reflect the Strength Changes of testing pressure.In addition, according to another embodiment again of the present invention, pressure detection module 102 also can a piezoelectric pressure indicator, and the character that can produce voltage when application element thereof is under pressure reflects the Strength Changes of testing pressure.
Fig. 4 shows according to the described pressure detection module of one embodiment of the invention putting position synoptic diagram.Because the central point of display panel is generally the most weak position of anti-pressure energy power; Therefore according to one embodiment of the invention; Pressure detection module (Wheatstone bridge shown in figure) can be placed under the central point of screen the pressure that is born in order to effectively to detect display panel.Yet, more than in order to only to show preferred embodiment of the present invention, in order to restriction the present invention, the pressure detection module is when being positioned over the optional position of adjacent screen.
In addition, it should be noted that above-mentioned pressure detection module can be applicable to various dissimilar display panels.For example, display panel 101 can be touch panel or non-touch panel, display panels or LED display panel or other dissimilar display panel.When display panel 101 is touch panel, can also comprise touch control detection unit 106 (with reference to figure 1), put on a touch-control behavior of display panel 101 in order to detection, and detected touch-control behavior is sent to microprocessor 103.Usually when display panel 101 got into a sleep pattern, touch control detection unit 106 can be by forbidden energy, in order to save electric power.In other words, under sleep pattern, the behavior of user's touch-control display panel 101 can not be detected.Therefore, according to one embodiment of the invention, when display panel 101 got into sleep pattern, pressure detection module 102 can be enabled, in order to the monitoring pressure that display panel bore.
Fig. 5 shows according to the described pressure detection method process flow diagram of one embodiment of the invention.After treating that the pressure detection module is enabled, at first in step S501, utilize the pressure detection module to detect an intensity of the present pressure that bears of display panel.Then, in step S502, produce a testing result according to the detected intensity of pressure detection module.Then, in step S503, microprocessor 103 judges whether the intensity of this pressure surpasses a pressure threshold.If not, then get back to the intensity that step S501 continues to detect the present pressure that bears of display panel.If judge in step S504 further then whether present portable electronic devices gets into sleep pattern.If, then in step S505 by microprocessor 103 produce a wake-up signal in order to wake up relevant alarming device (as above-mentioned display panel, loudspeaker arrangement with and/or shaking device).At last, in step S506, microprocessor 103 produces an alarm signal and gives relevant alarming device, in order to show accordingly a caution picture, with and/or send the caution sound or vibrations.
It should be noted that as above-mentioned when display panel 101 is a touch panel, and when display panel 101 got into sleep patterns, pressure detection module 102 can be enabled, in order to the monitoring pressure that display panel bore.Yet; When display panel 101 does not get into sleep pattern, for example, when display panel 101 remains on a normal manipulation mode; Touch control detection unit 106 continues to detect the behavior of user's touch-control display panel 101; This moment, the pressure detection module can keep being enabled, perhaps also can be by forbidden energy, to save electric power.
According to embodiments of the invention, when normal manipulation mode,, then can detect according to pressure detection flow process as shown in Figure 5 equally if the pressure detection module keeps being enabled.On the other hand, if the pressure detection module under normal manipulation mode by forbidden energy, but then construction goes out two stage testing process.Fig. 6 is the testing process figure of first that demonstrates according in the described two stage pressure detection methods of one embodiment of the invention.At first, in step S601, detect a touch-control behavior that puts on display panel through touch control detection unit 106.Usually also can be sent to microprocessor 103 by the 106 detected touch-control behaviors of touch control detection unit and do corresponding judgement and processing.Then, in step S602, microprocessor 103 judges whether this touch-control behavior belongs to a normal running behavior.For example, the pressure of microprocessor 103 definable normal running behaviors gram number can be in a set scope (for example, 0～50 gram).When this touch-control behavior belongs to a normal running behavior, then get back to the next touch-control behavior that step S601 continues to detect the user.When judging that this touch-control behavior does not belong to a normal running behavior, then in step S603, transmit an activation signal in order to this pressure detection module of activation, and the pressure detection flow process that can continue as shown in Figure 5 is carried out pressure detection.
Fig. 7 shows according to the described calculation of pressure method flow diagram of one embodiment of the invention.At first, in step S701, microprocessor 103 receives testing result from pressure detection module 102, and carries out force value and calculate, and for example, will convert corresponding pressure gram number from the digital voltage difference that ADC 303 receives into.Then, in step S702, microprocessor 103 judges whether this result of calculation is identical with a last result of calculation.If not, then get into step S703 and upgrade detected force value.The detected force value further step S503 in Fig. 5 is judged whether surpass a pressure threshold.On the other hand, if this result of calculation is identical with a last result of calculation, then microprocessor 103 can skip over current testing result, in order to saving microprocessor 103 resources, and gets back to step S701 and continues to receive testing results from pressure detection module 102.
According to one embodiment of the invention, pressure threshold can be tested via reality, and is created as database data, and the pressure that wherein different types of display panel can bear possibly be not quite similar, so pressure threshold also can change thereupon.The database data of pressure threshold can further be integrated in the software code, to assist to carry out above-mentioned pressure detection flow process.
Though the present invention discloses as above with preferred embodiment; So it is not in order to limit scope of the present invention; Any those skilled in the art; Do not breaking away from the spirit and scope of the present invention, when can doing a little change and retouching, so protection scope of the present invention is as the criterion when looking appended the claim scope person of defining.
Claims (12)
1. portable electronic devices comprises:
One display panel;
One pressure detection module when receiving an activation signal, begins to detect an intensity of the present pressure that bears of this display panel, and produces a testing result; And
One microprocessor; When this display panel gets into a sleep pattern; Produce this enable signal and come this pressure detection module of activation; And this pressure detection module receives this testing result certainly, whether surpasses a pressure threshold, and when this intensity has arrived this pressure threshold, produce an alarm signal to judge this intensity according to this testing result.
2. portable electronic devices according to claim 1 also comprises:
One loudspeaker arrangement is coupled to this microprocessor, receives this alarm signal, and sends a caution sound according to this alarm signal.
3. portable electronic devices according to claim 1 also comprises:
One shaking device is coupled to this microprocessor, receives this alarm signal, and sends caution vibrations according to this alarm signal.
4. portable electronic devices according to claim 1, wherein this pressure detection module comprises a plurality of pressure drag components, each pressure drag component has the resistance value along with detected this Strength Changes.
5. portable electronic devices according to claim 4, wherein this pressure detection module also comprises:
One current source is in order to provide an electric current;
One Wheatstone bridge comprises this a plurality of pressure drag components, in order to receiving this electric current, and between one first output terminal and one second output terminal, produces a voltage difference according to this electric current and these resistance values; And
One analog-to-digital converter is coupled to this Wheatstone bridge, in order to this voltage difference is converted to a digital voltage difference as this testing result.
6. portable electronic devices according to claim 1; Wherein this microprocessor judges also whether this display panel gets into this sleep pattern; When this display panel has got into this sleep pattern, and this intensity of this microprocessor judges has been when having surpassed this pressure threshold, and this microprocessor also produces a wake-up signal; Leave this sleep pattern in order to wake this display panel up, and demonstration should the caution picture.
7. portable electronic devices according to claim 1; Wherein this display panel is a touch panel; Comprise a touch control detection unit, put on a touch-control behavior of this display panel, and detected this touch-control behavior is sent to this microprocessor in order to detection; When this display panel is in a normal manipulation mode; This pressure detection module is by forbidden energy, and when this touch-control behavior of this microprocessor judges does not belong to a normal running behavior, transmits this enable signal in order to this pressure detection module of activation.
8. display panel pressure monitoring method comprises:
When a display panel gets into a sleep pattern, activation one pressure detection module;
Utilize this pressure detection module to detect an intensity of the present pressure that bears of this display panel, and produce a testing result;
Judge that according to this testing result whether this intensity surpasses a pressure threshold, and when this intensity has arrived this pressure threshold, produce an alarm signal and a wake-up signal; And
According to this display panel of this wake-up signal wakes.
9. display panel pressure monitoring method according to claim 8 also comprises:
Send a caution sound according to this alarm signal through a loudspeaker arrangement.
10. display panel pressure monitoring method according to claim 8 also comprises:
Send caution vibrations according to this alarm signal through a shaking device.
11. display panel pressure monitoring method according to claim 8, the step that wherein detects this intensity of present this pressure that bears of this display panel also comprises:
Provide an electric current to a plurality of pressure drag components, be used to connect between the two-end-point of these a plurality of pressure drag components and produce a voltage difference, wherein these a plurality of pressure drag components respectively have the resistance value along with detected this Strength Changes; And
Convert this voltage difference to a digital voltage difference as this testing result.
12. display panel pressure monitoring method according to claim 8 also comprises:
When this display panel gets into a normal manipulation mode, this pressure detection module of forbidden energy;
Detection puts on a touch-control behavior of this display panel;
Judge whether this touch-control behavior belongs to a normal running behavior; And
When this touch-control behavior does not belong to this normal running behavior, transmit an activation signal in order to this pressure detection module of activation.
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| CN2010105321903A CN102467314A (en) | 2010-11-02 | 2010-11-02 | Portable electronic device and display panel pressure monitoring method |
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| CN2010105321903A CN102467314A (en) | 2010-11-02 | 2010-11-02 | Portable electronic device and display panel pressure monitoring method |
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| CN103017947A (en) * | 2012-12-14 | 2013-04-03 | 上海华勤通讯技术有限公司 | Pressure alarm system and mobile terminal |
| CN104880144A (en) * | 2015-06-12 | 2015-09-02 | 合肥鑫晟光电科技有限公司 | Electronic device with function of deformation detection of display panel, and corresponding method |
| CN105404432A (en) * | 2016-01-05 | 2016-03-16 | 京东方科技集团股份有限公司 | Pressure sensitive panel and detection method, 3D (three dimensional) touch panel and touch display panel |
| CN105491222A (en) * | 2015-11-18 | 2016-04-13 | 广东欧珀移动通信有限公司 | Terminal pressure reminding method, device and terminal |
| CN106124107A (en) * | 2016-06-17 | 2016-11-16 | 合肥联宝信息技术有限公司 | Pressure monitoring and prior-warning device, electronic product and method thereof |
| WO2016183946A1 (en) * | 2015-05-18 | 2016-11-24 | 中兴通讯股份有限公司 | Display panel, electronic device and touch control sensing method applied to electronic device |
| CN110501641A (en) * | 2019-08-23 | 2019-11-26 | Oppo（重庆）智能科技有限公司 | The test device of electronic equipment |
| CN114964567A (en) * | 2022-06-15 | 2022-08-30 | 宁波普瑞均胜汽车电子有限公司 | Surface pressure detection system and control method for automobile human-computer interface parts |
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| CN110501641A (en) * | 2019-08-23 | 2019-11-26 | Oppo（重庆）智能科技有限公司 | The test device of electronic equipment |
| CN114964567A (en) * | 2022-06-15 | 2022-08-30 | 宁波普瑞均胜汽车电子有限公司 | Surface pressure detection system and control method for automobile human-computer interface parts |
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Application publication date: 20120523 |