CN105353902A - Electronic equipment and broken screen detection circuit thereof, detection method therefor and detection apparatus thereof - Google Patents
Electronic equipment and broken screen detection circuit thereof, detection method therefor and detection apparatus thereof Download PDFInfo
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- CN105353902A CN105353902A CN201510632492.0A CN201510632492A CN105353902A CN 105353902 A CN105353902 A CN 105353902A CN 201510632492 A CN201510632492 A CN 201510632492A CN 105353902 A CN105353902 A CN 105353902A
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- Prior art keywords
- broken
- equivalent resistance
- display screen
- screen
- conducting wire
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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
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
- G06F11/2205—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing using arrangements specific to the hardware being tested
- G06F11/2215—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing using arrangements specific to the hardware being tested to test error correction or detection circuits
Abstract
The present invention relates to an electronic equipment broken screen detection circuit. Electronic equipment comprises a main board circuit and a display screen which are connected by a signal; the detection circuit comprises a conducting circuit; the conducting circuit is arranged along the display screen and is used for forming equivalent resistance; both ends of the conducting circuit are respectively connected in series to the resistance signal acquisition end of the main board circuit; and the main board circuit is used for acquiring the equivalent resistance and judges whether the screen in a display screen area which the conducting circuit passes through is broken or not according to the equivalent resistance. The conducting line arranged along the display screen can form the equivalent resistance and both the ends of the conducting circuit are connected in series to the main board circuit, and thus, when the capacitance screen is broken, the conducting circuit arranged along the display screen can be broken, so that the equivalent resistance is changed; and according to change of the equivalent resistance, the main board circuit can judge whether the display screen is broken. The present invention also discloses a broken screen detection method and an apparatus and the electronic equipment.
Description
Technical field
The present invention relates to electronic equipment detection field, be specifically related to a kind of electronic equipment and broken screen testing circuit thereof and detection method, device.
Background technology
Along with the fast development of mobile device and improving constantly of people's living standard, the use of various mobile terminals as mobile phone, panel computer etc. is more and more universal, and mobile phone has become indispensable means of communication in people's life.
Along with smart mobile phone screen is increasing, the probability of fragmentation is increasing because of falling for screen, because the mobile devices such as smart mobile phone generally adopt touch-screen to carry out the input operations such as induction input command or text, when screen is broken because falling, touch-screen input fault can be caused, the phenomenon of input error occurs.Panel computer is because size, generally more than 7 cun, easily falls broken screen especially.
Whether exist in prior art and such as fallen by built-in gravity sensor detection of handset, and carry out corresponding pose adjustment to the mobile phone fallen, to prevent screen broken, but this can not guarantee that mobile phone screen can not be broken.Certainly, also the detection of screen fragmentation is there is in prior art, but usually all adopt complicated circuit and sensor transmissions, gather corresponding detection signal to realize, for example: arrange a lot of sensor in the surrounding of display screen component and middle position, and on screen, arrange many continuous print signaling paths, the sensor signal of diverse location is connected, to the pixel piecemeal location on screen, the signal then gathered according to each sensor carries out complicated logical operation and judges that whether display screen is broken, existing detection scheme not only testing cost is high, complicated circuit structure too increases the power consumption of electronic equipment, cause the operational efficiency dragging down electronic equipment.Therefore, how to realize whether fragmentation detects to screen by simple circuit and method, become problem demanding prompt solution.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is, how by the fragmentation of the simple electric circuit inspection electronic equipment screen of structure, to reduce the power consumption of electronic equipment as far as possible, thus provides a kind of electronic equipment and broken screen testing circuit thereof and detection method, device.
According to first aspect, a kind of invention provides a kind of electronic equipment broken screen testing circuit in implementing:
Electronic equipment comprises: the motherboard circuit that signal connects and display screen, and testing circuit comprises: conducting wire, and it is arranged along display screen, and for the formation of equivalent resistance, the two ends of conducting wire are serially connected with the resistance signal collection terminal of motherboard circuit respectively; According to the size of equivalent resistance, motherboard circuit for gathering equivalent resistance, and judges that conducting wire institute is through the whether broken screen of display screen area.
Preferably, conducting wire is arranged along display screen surrounding.
Preferably, conducting wire is prepared by transparent material.
Preferably, insulate between conducting wire and display screen.
According to second aspect, a kind of broken screen detection method adopting above-mentioned broken screen testing circuit is provided in a kind of invention enforcement, comprises:
Obtain the equivalent resistance that conducting wire is formed; Judge that whether display screen is broken according to the size of equivalent resistance.
Preferably, judge whether fragmentation comprises display screen according to the size of equivalent resistance: described equivalent resistance size and preset value are compared, if equivalent resistance is greater than described preset value, be then judged as that display screen is broken.
According to the third aspect, a kind of invention provides a kind of electronic equipment broken screen pick-up unit in implementing, and comprising:
Equivalent resistance acquisition module, for obtaining the equivalent resistance that conducting wire is formed; Shield broken judge module, for judging that whether display screen is broken according to the size of equivalent resistance.
Preferably, shielding broken judge module for equivalent resistance size and preset value being compared, if equivalent resistance is greater than preset value, being then judged as that display screen is broken.
According to fourth aspect, a kind of invention provides a kind of electronic equipment in implementing, and comprising: the motherboard circuit that signal connects and display screen, also comprise: above-mentioned broken screen testing circuit.
Preferably, above-mentioned broken screen pick-up unit is also comprised.
The broken screen testing circuit of electronic equipment provided by the invention and detection method, because the conducting wire arranged along display screen can form equivalent resistance, the two ends of conducting wire are serially connected with motherboard circuit, when display screen is broken, the conducting wire fracture of arranging along display screen can be made, thus equivalent resistance is changed, according to the change of this equivalent resistance, motherboard circuit can judge that whether display screen is broken, relative to prior art, without the need to being covered with complicated circuitous pattern and sensor on a display screen, just the detection to display screen fragmentation can be realized, it is simple that broken screen testing circuit of the present invention has circuit structure, be easy to realize, cost is low, the advantage that circuit power consumption is low.
As preferred technical scheme, conducting wire is arranged along display screen surrounding, thus Safety check-up can be carried out to display screen surrounding.
Accompanying drawing explanation
In order to be illustrated more clearly in the specific embodiment of the invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the broken screen testing circuit of a kind of electronic equipment disclosed in the embodiment of the present invention 1 structure principle chart;
Fig. 2 is broken screen detection method process flow diagram a kind of disclosed in the embodiment of the present invention 2.
Embodiment
Be clearly and completely described technical scheme of the present invention below in conjunction with accompanying drawing, obviously, described embodiment is 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.
In addition, if below in the described different embodiment of the present invention involved technical characteristic do not form conflict each other and just can be combined with each other.
Embodiment 1
Please refer to Fig. 1, the broken screen testing circuit of a kind of electronic equipment disclosed in the present embodiment, this electronic equipment comprises: the motherboard circuit (not shown) that signal connects and display screen 1, and this testing circuit comprises: conducting wire 3, wherein:
Display screen 1 can have the display screen of touch function, also can common display shield; Display screen 1 can be capacitance plate, can be also touch screens, in the present embodiment, is preferably touch screens.
Conducting wire 3 is arranged along display screen 1, and for the formation of equivalent resistance, the two ends 31,32 of conducting wire are serially connected with the resistance signal collection terminal of motherboard circuit respectively, and particularly, conducting wire 3 and motherboard circuit form a closed loop; Certainly, also conducting wire 3 also can by carrying out transmission equivalent resistance signal along the mode of motherboard circuit cabling (as ground wire).In a preferred embodiment, conducting wire 3 is arranged along display screen 1 surrounding.When conducting wire 3 occur broken through the somewhere in display screen 1 region time, the conducting wire 3 at this place can be made to rupture, thus equivalent resistance is changed.In a particular embodiment, when conducting wire is by carrying out transmission equivalent resistance signal along the mode of motherboard circuit cabling, conducting wire and display screen can conductings; In a preferred embodiment, should insulate between conducting wire 3 and display screen 1, particularly, can be arranged on display screen 1 by the mode of glueing joint, such as, adopt the insulation colloids such as AB glue to glued joint; Certainly, also can print conducting wire 3 by the mode of silk-screen, when adopting the mode of silk-screen, can thickness be reduced relative to the mode of glueing joint.In a particular embodiment, conducting wire 3 is preferably prepared from by transparent material, thus does not affect the content in user's observation window region.
According to the signal intensity of equivalent resistance, motherboard circuit for gathering equivalent resistance, and judges that conducting wire institute is through the whether broken screen in display screen 1 region.In the present embodiment, when display screen 1 is touch screens, the equivalent resistance signal that motherboard circuit receives can gather transmission by display screen 1; In other embodiments, motherboard circuit also can be connected with conducting wire 3 signal, directly receives the equivalent resistance signal that conducting wire 3 is formed.In a particular embodiment, when there is broken screen through display screen 1 region in conducting wire, the conducting wire 3 at this place can be caused to rupture, thus equivalent resistance is changed, according to the size of equivalent resistance signal intensity, motherboard circuit can judge that whether display screen 1 is broken, such as, can arrange reference value, when the equivalent resistance signal intensity that motherboard circuit receives is greater than this reference value, then judge that fragmentation has appearred in display screen.It should be noted that, for in the embodiment of touch screens, the reference value of different model electronic equipment may be different, and this reference value can determine the size of reference value according to the data of the induction amount under the normal condition of electronic equipment, certainly, also can rule of thumb come to preset.
Because present invention applicant finds that electronic equipment is when falling ground, the first broken position of display screen is usually located at its edge, and display screen zone line is generally difficult to fragmentation.Conducting wire is arranged along display screen to form equivalent resistance by the present invention dexterously, when display screen is broken, conducting wire can be caused to rupture, thus cause the change of equivalent resistance, can judge that whether display screen is broken according to the change of this equivalent resistance.Relative in prior art, whether being covered with complicated circuitous pattern and sensor on a display screen, to carry out detection display screen broken, the principle that equivalent electric resistive is large is made when rupturing according to the conducting wire of serial connection, the broken screen testing circuit of electronic equipment disclosed in the present embodiment, because the conducting wire arranged along display screen can form equivalent resistance, the two ends of conducting wire are serially connected with motherboard circuit, when display screen is broken, the conducting wire fracture of arranging along display screen can be made, thus equivalent resistance is changed, according to the change of this equivalent resistance, motherboard circuit can judge that whether display screen is broken, it is simple that this broken screen testing circuit has circuit structure, be easy to realize, cost is low, the advantage that circuit power consumption is low.
Embodiment 2
Present embodiment discloses a kind of broken screen detection method of the broken screen testing circuit adopting above-described embodiment to provide, please refer to Fig. 2, this detection method comprises the steps:
Step S100, obtains the equivalent resistance that conducting wire is formed.In a particular embodiment, equivalent resistance data are gathered by collector, particularly, can be gathered by the collector that display screen 1 is built-in and obtain equivalent resistance data, also can collector be coupled in motherboard circuit, and be connected with conducting wire 3 signal, directly gathered by motherboard circuit and obtain equivalent resistance data.
According to the size of equivalent resistance, step S200, judges that whether display screen is broken.Because conducting wire 3 is arranged along display screen 1, when display screen 1 is broken, the electric line that arrives of arranging along display screen 1 can be made to rupture, thus equivalent resistance is changed, usual equivalent resistance is for becoming large, and when rupturing completely in conducting wire, equivalent resistance will become infinity, according to the size variation of this equivalent resistance, can judge that whether display screen is broken.
Particularly, equivalent resistance size and preset value are compared, if equivalent resistance is greater than preset value, be then judged as that display screen is broken.Need to illustrate time, the preset value of different model electronic equipment may be different, and this preset value can determine the size of preset value according to the data of the induction amount under the normal condition of electronic equipment, certainly, also can rule of thumb come to preset.
Understand for ease of those skilled in the art, as an example, presetting a preset value A is stored in the storage unit of electronic equipment, in actual job process, continuous acquisition obtains the equivalent resistance numerical value B of conducting wire, and the equivalent resistance numerical value B and preset value A that often gather acquisition are compared, as B >=A, can judge that display screen is state of rupture.In a preferred embodiment, when judging display screen for breaking, judged result can also be reported and sending to background server.
The present embodiment also discloses the broken screen pick-up unit of a kind of electronic equipment, and this electronic equipment broken screen pick-up unit comprises: equivalent resistance acquisition module and the broken judge module of screen, wherein:
The equivalent resistance that equivalent resistance acquisition module is formed for obtaining conducting wire.
Shield broken judge module to be connected with equivalent resistance acquisition module, for judging that whether display screen is broken according to the size of described equivalent resistance.Preferably, shielding broken judge module for equivalent resistance size and preset value being compared, if equivalent resistance is greater than preset value, being then judged as that display screen is broken.
Relative in prior art, be covered with complicated circuitous pattern and sensor on a display screen, whether brokenly detection display screen is carried out by complex calculations logic, the disclosed detection method for the broken screen testing circuit of above-described embodiment electronic equipment of the present embodiment, due to when display screen is broken, the conducting wire fracture of arranging along display screen can be made, then make equivalent resistance change, by with preset numeric ratio comparatively, effectively can judge that whether display screen broken.Because the object detected is the comparison of resistance sizes, therefore, the broken screen detection method of the present embodiment is simple, quick.
Embodiment 3
Present embodiment discloses a kind of electronic equipment, comprising: the motherboard circuit that signal connects and display screen, also comprise: above-mentioned broken screen testing circuit.
It should be noted that, electronic equipment disclosed in the present embodiment can be the mobile device that mobile phone, panel computer, PDA etc. have display screen.The disclosed display screen of this enforcement can be capacitance plate, the touch screens with touch function, can be also the display screen without touch function, be particularly useful for touch screens.
In a preferred embodiment, also comprise above-mentioned broken screen pick-up unit, this broken screen pick-up unit can be realized by DLC (digital logic circuit), also can be realized by processor, certainly, can also be mimic channel.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the present invention can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disk memory, CD-ROM, optical memory etc.) of computer usable program code.
The present invention describes with reference to according to the process flow diagram of the method for the embodiment of the present invention, equipment (system) and computer program and/or block scheme.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block scheme and/or square frame and process flow diagram and/or block scheme and/or square frame.These computer program instructions can being provided to the processor of multi-purpose computer, special purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computing machine or other programmable data processing device produce device for realizing the function of specifying in process flow diagram flow process or multiple flow process and/or block scheme square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in process flow diagram flow process or multiple flow process and/or block scheme square frame or multiple square frame.
These computer program instructions also can be loaded in computing machine or other programmable data processing device, make on computing machine or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computing machine or other programmable devices is provided for the step realizing the function of specifying in process flow diagram flow process or multiple flow process and/or block scheme square frame or multiple square frame.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among the protection domain of the invention.
Claims (10)
1. the broken screen testing circuit of electronic equipment, described electronic equipment comprises: the motherboard circuit that signal connects and display screen, and it is characterized in that, described testing circuit comprises:
Conducting wire, it is arranged along described display screen, and for the formation of equivalent resistance, the two ends of described conducting wire are serially connected with the resistance signal collection terminal of described motherboard circuit respectively;
According to the size of described equivalent resistance, motherboard circuit for gathering described equivalent resistance, and judges that described conducting wire institute is through the whether broken screen of display screen area.
2. broken screen testing circuit as claimed in claim 1, is characterized in that, described conducting wire is arranged along described display screen surrounding.
3. broken screen testing circuit as claimed in claim 1 or 2, it is characterized in that, described conducting wire is prepared by transparent material.
4. the broken screen testing circuit as described in claim 1-3 any one, is characterized in that, insulate between described conducting wire and described display screen.
5. adopt a broken screen detection method for the broken screen testing circuit as described in claim 1-4 any one, it is characterized in that, comprising:
Obtain the equivalent resistance that conducting wire is formed;
Judge that whether display screen is broken according to the size of described equivalent resistance.
6. broken screen detection method as claimed in claim 5, is characterized in that, the described size according to described equivalent resistance judges whether fragmentation comprises display screen:
Described equivalent resistance size and preset value are compared, if described equivalent resistance is greater than described preset value, is then judged as that display screen is broken.
7. adopt a broken screen pick-up unit for the broken screen testing circuit as described in any one of claim 1-4, it is characterized in that, comprising:
Equivalent resistance acquisition module, for obtaining the equivalent resistance that conducting wire is formed;
Shield broken judge module, be connected with described equivalent resistance acquisition module, for judging that whether display screen is broken according to the size of described equivalent resistance.
8. broken screen pick-up unit as claimed in claim 7, is characterized in that, the broken judge module of described screen is used for described equivalent resistance size and preset value to compare, if described equivalent resistance is greater than described preset value, is then judged as that display screen is broken.
9. an electronic equipment, comprising: the motherboard circuit that signal connects and display screen, is characterized in that, also comprise: the broken screen testing circuit as described in claim 1-4 any one.
10. electronic equipment as claimed in claim 9, is characterized in that, also comprise: broken screen pick-up unit as claimed in claim 7 or 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510632492.0A CN105353902A (en) | 2015-09-29 | 2015-09-29 | Electronic equipment and broken screen detection circuit thereof, detection method therefor and detection apparatus thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510632492.0A CN105353902A (en) | 2015-09-29 | 2015-09-29 | Electronic equipment and broken screen detection circuit thereof, detection method therefor and detection apparatus thereof |
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| Publication Number | Publication Date |
|---|---|
| CN105353902A true CN105353902A (en) | 2016-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510632492.0A Pending CN105353902A (en) | 2015-09-29 | 2015-09-29 | Electronic equipment and broken screen detection circuit thereof, detection method therefor and detection apparatus thereof |
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| Country | Link |
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| CN (1) | CN105353902A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107229544A (en) * | 2017-05-16 | 2017-10-03 | 广东欧珀移动通信有限公司 | Screen detection method and related product |
| TWI703511B (en) * | 2019-07-09 | 2020-09-01 | 洽吧智能股份有限公司 | Screen crack detection system |
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| US20060152360A1 (en) * | 2004-12-23 | 2006-07-13 | Lockheed Martin Corporation | Anti-tamper apparatus |
| CN203324610U (en) * | 2013-07-25 | 2013-12-04 | 京东方科技集团股份有限公司 | Display device |
| CN104570421A (en) * | 2014-12-31 | 2015-04-29 | 上海天马微电子有限公司 | Display panel and display device |
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2015
- 2015-09-29 CN CN201510632492.0A patent/CN105353902A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060152360A1 (en) * | 2004-12-23 | 2006-07-13 | Lockheed Martin Corporation | Anti-tamper apparatus |
| CN203324610U (en) * | 2013-07-25 | 2013-12-04 | 京东方科技集团股份有限公司 | Display device |
| CN104570421A (en) * | 2014-12-31 | 2015-04-29 | 上海天马微电子有限公司 | Display panel and display device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107229544A (en) * | 2017-05-16 | 2017-10-03 | 广东欧珀移动通信有限公司 | Screen detection method and related product |
| CN107229544B (en) * | 2017-05-16 | 2020-06-02 | Oppo广东移动通信有限公司 | Screen detection method and related product |
| TWI703511B (en) * | 2019-07-09 | 2020-09-01 | 洽吧智能股份有限公司 | Screen crack detection system |
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Effective date of registration: 20160427 Address after: 518000, A District, two floor, D building, Wanfeng Industrial Zone, Wanfeng District, Gongming office, Guangming District, Shenzhen, Guangdong, China Applicant after: Shenzhen city Ruijieen Technology Co. Ltd. Address before: Shenzhen, Guangdong, Baoan District, Xixiang, two road forward, Taoyuan, 501, 12, 13, 4 units Applicant before: Zhao Yue |
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Application publication date: 20160224 |