CN103872644A - Circuit protection method, device and terminal equipment - Google Patents
Circuit protection method, device and terminal equipment Download PDFInfo
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- CN103872644A CN103872644A CN201410080846.0A CN201410080846A CN103872644A CN 103872644 A CN103872644 A CN 103872644A CN 201410080846 A CN201410080846 A CN 201410080846A CN 103872644 A CN103872644 A CN 103872644A
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Abstract
The invention discloses a circuit protection method which comprises the steps of obtaining a detection signal which is output by a moisture detection device, wherein the moisture detection device is located at the input and output joint; judging whether the detection signal exceeds a trigger threshold value; when the condition that the detection exceeds the trigger threshold value is judged, triggering an outage control signal to a power source control device. According to the circuit protection method, an external circuit is enabled to stop working due to outage and is prevented from being short-circuited to damage a circuit board and circuit elements due to water entrance under an electriferous working state. The invention also discloses a device for realizing the method and terminal equipment.
Description
Technical field
The disclosure relates to mobile communication technology field, relates in particular to a kind of circuit protection method, device and terminal equipment.
Background technology
The mobile terminal such as mobile phone, panel computer has become the necessity of people's daily life, and but then, the maintenance ratio that mobile terminal causes because intaking is more and more higher.After mobile terminal water inlet, cause the circuit board short circuit of mainboard, thereby damage circuit board and circuit element.Can not repair because of circuit board and circuit element that short circuit damages, need to change brand-new mainboard, maintenance cost is very high.
The waterproof of mobile terminal mainly adopts mechanical waterproof, increases the seal degree of mobile terminal, utilize the material with high-quality water resistance to make shell, but manufacturing cost is very high, complex process.After long-time use, cause gap along with the wearing and tearing of mobile terminal case, also may intake and cause short circuit.If mobile terminal is placed in to the place that steam is larger, steam condenses and penetrates into gradually mobile terminal inside at gap location, also likely causes short circuit.
Summary of the invention
The problem existing for overcoming correlation technique, the disclosure provides a kind of circuit protection method, device and terminal equipment, can judge whether terminal equipment intakes and make the timely power-off of terminal equipment, capable of preventing short circuit.
According to the first aspect of disclosure embodiment, a kind of circuit protection method is provided, comprising:
The detection signal that obtains moisture content detection device output, described moisture content detection device is positioned at input/output interface place;
Judge whether described detection signal exceedes activation threshold value;
In the time judging described detection signal and exceed activation threshold value, trigger power-off and control signal to power control.
Judge according to the detection signal of moisture content detection device and activation threshold value whether input/output interface intakes, and triggers power-off and control signal to power control when water inlet, to cut off terminal power supply, capable of preventing short circuit and damage the internal circuit of terminal.
Described detection signal changes along with the variation of the detection data of described moisture content detection device.Make the response of moisture content detection device faster, as long as the variable quantity of detection signal exceedes activation threshold value and judge the input/output interface water inlet of terminal within certain hour, judge again water inlet when detection signal acquires a certain degree by the time.
Describedly judge that whether described detection signal exceedes activation threshold value, comprising:
Judge whether the variable quantity of described detection signal in default duration exceedes activation threshold value.
Improved the sensitivity that water inlet detects, power-off in time while further guaranteeing to have water to enter terminal inner, prevents terminal inner short circuit.
Described detection data comprise waterlevel data or humidity data.Can detect and directly enter the water of terminal inner or the water droplet condensing into.
Described method also comprises:
Moisture content detection device for different input/output interfaces place arranges different activation threshold values.According to the feature of different input/output interface water inlets, different activation threshold values is set, guarantee the sensitivity and the accuracy that detect.
The described moisture content detection device for different input/output interfaces place arranges different activation threshold values, comprising:
The activation threshold value that setting is positioned at the moisture content detection device at microphone place is greater than the activation threshold value of the moisture content detection device that is positioned at receiver or button place.A small amount of water droplet that breathing out while avoiding conversing in mouth condenses into causes the misoperation of terminal power-off shutdown.
According to the second aspect of disclosure embodiment, a kind of circuit protection device is provided, comprising:
Acquisition module, for obtaining the detection signal of moisture content detection device output, described moisture content detection device is positioned at input/output interface place;
Judge module, for judging whether described detection signal exceedes activation threshold value;
Trigger module, in the time judging described detection signal and exceed activation threshold value, triggers power-off and controls signal to power control.
Described judge module comprises:
Judging unit, for judging whether the variable quantity of described detection signal in default duration exceedes activation threshold value.
Described device also comprises:
Module is set, for different activation threshold values being set for the moisture content detection device at different input/output interfaces place.
According to the third aspect of disclosure embodiment, a kind of circuit protection device is provided, comprising:
Processor;
For the memory of storage of processor executable instruction;
Wherein said processor is configured to:
The detection signal that obtains moisture content detection device output, described moisture content detection device is positioned at input/output interface place;
Judge whether described detection signal exceedes activation threshold value;
In the time judging described detection signal and exceed activation threshold value, trigger power-off and control signal to power control.
According to the third aspect of disclosure embodiment, a kind of terminal equipment is provided, comprising:
Comprise water content detection device, logic controller and power-supply controller of electric; The detection signal output of described water content detection device is electrically connected with the input of described logic controller, and the output of described logic controller is electrically connected with the output of power-supply controller of electric;
The input/output interface that described water content detection device is positioned at terminal equipment is sentenced the inflow that detects input/output interface; When the detection signal of described water content detection device output exceedes activation threshold value, trigger described logic controller output power-off and control signal to power-supply controller of electric.
Described water content detection device comprises level sensor or humidity sensor.
Described level sensor comprises parallel wire, is positioned at the general-purpose serial bus USB interface of terminal equipment shell, and described parallel wire extends to the outer surface of described general-purpose serial bus USB interface slot.
The technical scheme that embodiment of the present disclosure provides can comprise following beneficial effect: a kind of circuit protection method is provided, device and terminal equipment, this moisture content detection device is positioned at the input/output interface of terminal equipment shell, whether intake to detect corresponding interface, when water inlet, make the timely power-off of terminal equipment quit work, prevent the internal circuit because of Damage by Short Circuit terminal equipment, whether can also detect has too much steam to condense into water droplet to enter terminal equipment inside, thereby prevent from causing the short circuit of terminal equipment internal circuit in the more place of the steam such as bathroom, there is higher sensitivity and accuracy, and can avoid causing because a small amount of water droplet that humidity sensor causes breathing out in when call mouth to condense into is set the misoperation of terminal power-off shutdown.
Should be understood that, it is only exemplary and explanatory that above general description and details are hereinafter described, and can not limit the disclosure.
Accompanying drawing explanation
Accompanying drawing is herein merged in specification and forms the part of this specification, shows embodiment according to the invention, and is used from and explains principle of the present invention with specification one.
Fig. 1 is according to the flow chart of a kind of circuit protection method shown in an exemplary embodiment.
Fig. 2 is according to the flow chart of a kind of circuit protection method shown in an exemplary embodiment.
Fig. 3 is according to the flow chart of a kind of circuit protection method shown in an exemplary embodiment.
Fig. 4 is according to the schematic diagram of a kind of circuit protection device shown in an exemplary embodiment.
Fig. 5 is according to the schematic diagram of the judge module shown in an exemplary embodiment.
Fig. 6 is according to the schematic diagram of a kind of circuit protection device shown in an exemplary embodiment.
Fig. 7 is according to the block diagram of a kind of circuit protection device shown in an exemplary embodiment.
Fig. 8 is according to the block diagram of a kind of terminal equipment shown in an exemplary embodiment.
Fig. 9 is according to the structural representation of a kind of level sensor shown in an exemplary embodiment;
Figure 10 is the structural representation that is provided with the USB interface of level sensor according to the terminal equipment shell shown in an exemplary embodiment.
By above-mentioned accompanying drawing, with the embodiment that illustrates that the disclosure is clear and definite, will there is hereinafter more detailed description.These accompanying drawings and text description are not the scope in order to limit disclosure design by any mode, but by reference to specific embodiment for those skilled in the art illustrate concept of the present disclosure.
Embodiment
Here will at length describe exemplary embodiment, its sample table shows in the accompanying drawings.When description below relates to accompanying drawing, unless separately there is expression, the same numbers in different accompanying drawings represents same or analogous key element.Execution mode described in following exemplary embodiment does not represent all execution modes consistent with the present invention.On the contrary, they are only and the example of apparatus and method as consistent in some aspects that described in detail in appended claims, of the present invention.
Fig. 1 is according to the flow chart of a kind of circuit protection method shown in an exemplary embodiment, and as shown in Figure 1, circuit protection method, for terminal, comprises the following steps.
In step S101, obtain the detection signal of moisture content detection device output, moisture content detection device is positioned at input/output interface place.
Moisture content detection device is according to detecting data output detection signal, and in the time that detection data are positioned at different spans, moisture content detection device is exported different detection signals.For example, while not detecting into water, the detection signal of moisture content detection device output is high level, and while detecting into water, the signal of moisture content detection device output is low level.The testing result of the reacting condition moisture content detection device by detection signal.
Whether moisture content detection device is positioned at the input/output interface place of terminal, intake to detect this input/output interface.Input/output interface is usually located at the shell of terminal, for external other input-output equipment, and the input-output equipment such as such as power supply, audio frequency, video.
In step S102, judge whether detection signal exceedes activation threshold value.
Whether the detection signal that judges moisture content detection device output exceedes activation threshold value, and this activation threshold value, for determining the testing result of moisture content detection device, determines when detection signal exceedes this activation threshold value that testing result is water inlet.
In step S103, in the time judging described detection signal and exceed activation threshold value, trigger power-off and control signal to power control.
When detection signal exceedes activation threshold value, trigger power-off control signal, this power-off control signal is used for controlling power control output cut-offing instruction to power circuit, to cut off terminal power supply, terminal quits work, while preventing the charged work of terminal because water inlet is short-circuited.
Disclosure embodiment mono-, judge according to the detection signal of moisture content detection device and activation threshold value whether input/output interface intakes, when water inlet, trigger power-off and control signal to power control, to cut off terminal power supply, capable of preventing short circuit and damage the internal circuit of terminal.
Fig. 2 is according to the flow chart of a kind of circuit protection method shown in an exemplary embodiment, and as shown in Figure 2, circuit protection method, for terminal, comprises the following steps.
In step S201, obtain the detection signal of moisture content detection device output, moisture content detection device is positioned at input/output interface place, and detection signal changes along with the variation of the detection data of moisture content detection device.
The detection signal of now moisture content detection device output is not simple high level and low level, and the size of detection signal is to along with detecting, data are proportional to change.For example, the voltage magnitude of detection signal changes along with detecting the variation of data, and the inflow detecting increases gradually, and the voltage magnitude of detection signal also increases thereupon.
In another embodiment of the disclosure, detect data and comprise waterlevel data or humidity data.For example, the waterlevel data detecting has been increased to 3mm from 1mm, and the voltage magnitude of detection signal also increases thereupon; The humidity data detecting has been increased to 70%RH by 20%RH, and the voltage magnitude of detection signal also increases thereupon; Detect the continuous variation of data to embody moisture content detection device.
In step S202, judge whether the variable quantity of detection signal in default duration exceedes activation threshold value.
Determine in default varied in duration amount whether input/output interface intakes according to detection signal.For example, in default duration, the detection signal of moisture content detection device output constantly changes, in this default duration, the maximum of detection signal and the difference of minimum value are the variable quantity of this detection signal in default duration, if the variable quantity in default duration exceedes activation threshold value, determine input/output interface water inlet
In step S203, in the time judging the variable quantity of detection signal and exceed activation threshold value, trigger power-off and control signal to power control.
Disclosure embodiment bis-, variable quantity according to the detection signal of moisture content detection device in default duration judges whether into water, make the response of moisture content detection device faster, as long as the variable quantity of detection signal exceedes activation threshold value and judges the input/output interface water inlet of terminal within certain hour, judge again water inlet when by the time detection signal acquires a certain degree, improve the sensitivity that water inlet detects, power-off in time while further guaranteeing to have water to enter terminal inner, prevents terminal inner short circuit.
Fig. 3 is according to the flow chart of a kind of circuit protection method shown in an exemplary embodiment, and as shown in Figure 3, circuit protection method, for terminal, comprises the following steps.
In step S301, for the moisture content detection device at different input/output interfaces place, different activation threshold values is set.
Can a moisture content detection device be set respectively at each input/output interface place of terminal, and for dissimilar input/output interface, applicable moisture content detection device be set.
For thering is the easily input/output interface of direct water inlet of certain depth in terminal enclosure, the degree of depth that level sensor detects inflow is set, for example general-purpose serial bus USB interface, the power input interface in terminal enclosure, video input output interface, earphone interface etc.
For thering is the easily condensate steam input/output interface such as hole or gap in terminal enclosure, humidity sensor is set and detects and whether have too much steam to condense into water droplet and enter terminal inner at this, receiver, microphone interface and keystroke interface of for example terminal etc.
For the moisture content detection device at above-mentioned different input/output interfaces place arranges different activation threshold values.For the input/output interface of easily directly intaking, because water is more direct sooner from entering terminal inner here, can be the lower activation threshold value of moisture content detection device setting herein, be beneficial to find flooded condition and cut off the electricity supply in time.For easy condensate steam and make water droplet penetrate into gradually the input/output interface of terminal inner, can be the higher activation threshold value of moisture content detection device setting herein, particularly for microphone interface, higher activation threshold value can be set, breathing out while call due to people in mouth can condense in microphone place, if the lower meeting of activation threshold value makes in communication process, terminal detects breathes out a small amount of water droplet of condensing and triggers power operation, impact is normal to be used, therefore the activation threshold value of moisture content detection device at microphone place can be set higher than the activation threshold value of the moisture content detection device at receiver or keystroke interface place, to avoid the misoperation of terminal auto-breaking.
In step S302, obtain the detection signal of moisture content detection device output.
Whether terminal is obtained the detection signal of the moisture content detection device output at different input/output interfaces place, intake to detect each input/output interface.
In step S303, judge whether detection signal exceedes activation threshold value.
According to the activation threshold value of the moisture content detection device at different input/output interfaces place, judge whether the detection signal of each moisture content detection device exceedes corresponding activation threshold value.
In step S304, in the time judging detection signal and exceed activation threshold value, trigger power-off and control signal to power control.
Judge in the time that the detection signal of certain moisture content detection device exceedes its corresponding activation threshold value, trigger power-off and control signal to power control, to cut off the electricity supply.
Disclosure embodiment tri-, for the moisture content detection device at different input/output interface places, different activation threshold values is set, so that detect in time into water, and can make terminal be placed on the more place of steam, whether for example bathroom, detected and had steam to condense into water droplet to enter terminal inner by humidity sensor, the moisture content detection device at microphone place can arrange higher activation threshold value, in case stop-pass when words breathes out, a small amount of water droplet of condensing into causes the misoperation of power-off.
Fig. 4 is according to a kind of circuit protection device schematic diagram shown in an exemplary embodiment.With reference to Fig. 4, this device comprises acquisition module 40, judge module 41 and trigger module 42.
This acquisition module 40 is configured to the detection signal for obtaining moisture content detection device output, and moisture content detection device is positioned at input/output interface place;
This judge module 41 is configured to for judging whether described detection signal exceedes activation threshold value;
This trigger module 42 is configured to, in the time judging described detection signal and exceed activation threshold value, trigger power-off and control signal to power control.
In another embodiment of the disclosure, this judge module 41 as shown in Figure 5, also comprises judging unit 410.
This judging unit 410 is configured to for judging whether the variable quantity of detection signal in default duration exceedes activation threshold value.
Fig. 6 is according to a kind of circuit protection device schematic diagram shown in an exemplary embodiment.With reference to Fig. 6, this device comprises and module 43 is set, acquisition module 40, judge module 41 and trigger module 42.
This arranges module 43 and is configured to for different activation threshold values being set for the moisture content detection device at different input/output interfaces place;
This acquisition module 40 is configured to the detection signal for obtaining moisture content detection device output, and moisture content detection device is positioned at input/output interface place;
This judge module 41 is configured to for judging whether described detection signal exceedes activation threshold value;
This trigger module 42 is configured to, in the time judging described detection signal and exceed activation threshold value, trigger power-off and control signal to power control.
About the device in above-described embodiment, wherein the concrete mode of modules executable operations have been described in detail in the embodiment about the method, will not elaborate explanation herein.
Fig. 7 is according to the block diagram of a kind of configuration information recovery device 800 shown in an exemplary embodiment.For example, device 800 can be mobile phone, computer, digital broadcast terminal, information receiving and transmitting equipment, game console, flat-panel devices, Medical Devices, body-building equipment, personal digital assistant etc.
With reference to Fig. 7, device 800 can comprise following one or more assembly: processing components 802, memory 804, power supply module 806, multimedia groupware 808, audio-frequency assembly 810, the interface 812 of I/O (I/O), sensor cluster 814, and communications component 816.
The integrated operation of processing components 802 common control device 800, such as with demonstration, call, data communication, the operation that camera operation and record operation are associated.Treatment element 802 can comprise that one or more processors 820 carry out instruction, to complete all or part of step of above-mentioned method.In addition, processing components 802 can comprise one or more modules, is convenient to mutual between processing components 802 and other assemblies.For example, processing unit 802 can comprise multi-media module, to facilitate mutual between multimedia groupware 808 and processing components 802.
Audio-frequency assembly 810 is configured to output and/or input audio signal.For example, audio-frequency assembly 810 comprises a microphone (MIC), and when device 800 is in operator scheme, during as call model, logging mode and speech recognition mode, microphone is configured to receive external audio signal.The audio signal receiving can be further stored in memory 804 or be sent via communications component 816.In certain embodiments, audio-frequency assembly 810 also comprises a loud speaker, for output audio signal.
I/O interface 812 is for providing interface between processing components 802 and peripheral interface module, and above-mentioned peripheral interface module can be keyboard, some striking wheel, button etc.These buttons can include but not limited to: home button, volume button, start button and locking press button.
In the exemplary embodiment, device 800 can be realized by one or more application specific integrated circuits (ASIC), digital signal processor (DSP), digital signal processing appts (DSPD), programmable logic device (PLD), field programmable gate array (FPGA), controller, microcontroller, microprocessor or other electronic components, for carrying out said method.
In the exemplary embodiment, also provide a kind of non-provisional computer-readable recording medium that comprises instruction, for example, comprised the memory 804 of instruction, above-mentioned instruction can have been carried out said method by the processor 820 of device 800.For example, described non-provisional computer-readable recording medium can be ROM, random-access memory (ram), CD-ROM, tape, floppy disk and optical data storage equipment etc.
A kind of non-provisional computer-readable recording medium, in the time that the instruction in described storage medium is carried out by the processor of mobile terminal, makes mobile terminal can carry out a kind of configuration information recovery method, and described method comprises:
The detection signal that obtains moisture content detection device output, described moisture content detection device is positioned at input/output interface place;
Judge whether described detection signal exceedes activation threshold value;
In the time judging described detection signal and exceed activation threshold value, trigger power-off and control signal to power control.
Described detection signal changes along with the variation of the detection data of described moisture content detection device.
Describedly judge that whether described detection signal exceedes activation threshold value, comprising:
Judge whether the variable quantity of described detection signal in default duration exceedes activation threshold value.
Described detection data comprise waterlevel data or humidity data.
Described method also comprises:
Moisture content detection device for different input/output interfaces place arranges different activation threshold values.
The described moisture content detection device for different input/output interfaces place arranges different activation threshold values, comprising:
The activation threshold value that setting is positioned at the moisture content detection device at microphone place is greater than the activation threshold value of the moisture content detection device that is positioned at receiver or button place.
Fig. 8 is according to the block diagram of a kind of terminal equipment shown in an exemplary embodiment, as shown in Figure 8, comprises water content detection device 30, logic controller 31 and power-supply controller of electric 32; The input electrical connection of the detection signal output andlogic control device 31 of water content detection device 30, the output of logic controller 31 is electrically connected with the output of power-supply controller of electric 32;
Water content detection device 30 is positioned at the input/output interface of terminal equipment and sentences the inflow that detects input/output interface; When the detection signal that water content detection device 30 is exported exceedes activation threshold value, triggering logic controller 31 is exported power-off and is controlled signal to power-supply controller of electric 32.
Water content detection device 30 is positioned at the input/output interface place of terminal equipment shell.The input/output interface of terminal equipment shell is the place the most easily intaking, once terminal equipment falls into the water, water directly enters terminal equipment inside by input/output interface and touches the circuit board at this input/output interface place, if now terminal equipment is in charged operating state, because existing electrolyte can directly cause circuit board short circuit in water, damage circuit board and circuit element.Therefore water content detection device 30 is arranged on to the input/output interface place of terminal equipment shell, can have detected that water enters terminal equipment inside by input/output interface the very first time, export corresponding detection signal according to the size of the inflow detecting.
The detection signal that water content detection device 30 is exported is sent to the input of logic controller 31.The detection signal that water content detection device 30 is exported can change according to the variation of the inflow detecting, for example, the voltage strength of detection signal increases along with the increase of inflow, the frequency of detection signal improves along with the increase of inflow, makes the variation of water content detection device 30 detection signals embody the variation of input/output interface inflow.
The output of logic controller 31 is electrically connected with the power-supply controller of electric of terminal equipment 32, the power-off control signal of output makes power-supply controller of electric 32 carry out power operation, terminal equipment power-off quits work, avoid terminal equipment under the state of charged work due to the internal circuit short circuit causing of intaking of the input/output interface of shell, prevent that circuit board and circuit element from damaging because of short circuit.
In another embodiment of the disclosure, water content detection device 30 comprises level sensor 300, and as shown in Figure 9, this level sensor 300 has one group of parallel wire 301 to example, measures the size of inflow by water at the stitching of parallel wire 301.In the time that inflow exceedes the position of dotted line a in Fig. 9, the output signal of level sensor 300 can exceed predetermined threshold value, exports power-off control signal thereby trigger logic controller 31.This level sensor 300 is applicable to have on terminal equipment shell the input/output interface of certain depth, for example general-purpose serial bus USB interface, earphone interface and various video input output interfaces etc.The parallel wire 301 of this level sensor 300 may extend to the outer surface of above-mentioned input/output interface slot, is convenient to detect in the porch of above-mentioned each input/output interface, and does not affect the normal use of this input/output interface.
For example, Figure 10 is the profile that on the shell 36 of terminal equipment has the USB interface of level sensor, the parallel wire 301 of level sensor extends to USB interface and inserts the outer surface of poor 35 upper ends, do not affect the normal insertion of the USB interface of external data line, and in the time of this USB interface data inserting line, still can detect and whether have water to enter terminal equipment inside from the outer surface of slot 35 upper ends and the gap of terminal equipment shell 36, make terminal equipment power-off, capable of preventing short circuit with timely output signal.
It should be noted that; Figure 10 is only for illustrating; the position of the parallel wire 301 of level sensor is not limited to the outer surface of USB interface slot 35 upper ends, anyly neither affects set-up mode that the existing industrial design of product can detect again the level sensor whether USB interface intake all within protection range of the present disclosure.
In another embodiment of the disclosure, moisture content detection device 30 comprises humidity sensor.This humidity sensor can be resistance-type humidity sensor or capacitance type humidity sensor, its principle is all on substrate, apply wet sensory material and form humidity-sensitive film, airborne water vapor adsorption is in the time of wet sensory material, impedance (resistance-type) or the dielectric constant (condenser type) of element can change thereupon, and then cause the output signal of this humidity sensor to change.Sensitivity and the certainty of measurement of resistance-type humidity sensor are higher, and the linearity of capacitance type humidity sensor product better and is more easily integrated in micro-circuit board.
Humidity sensor is applicable to easily hole or the gap place of water inlet of terminal equipment, for example on terminal equipment shell the perforate at receiver, microphone place and and shell between apertured keystroke interface place.When terminal equipment by be placed in for a long time the steam such as bathroom larger local time, steam easily condenses into water droplet and infiltrates gradually terminal equipment inside at place, causes the circuit board at the audio frequency such as receiver, microphone input/output interface and keystroke interface place because of water inlet short circuit.At place, humidity sensor is set, can effectively prevent too much steam this condense into water droplet and damage internal circuit phenomenon occur, the fail safe that has improved internal circuit when terminal equipment ambient water steam is more.
Those skilled in the art, considering specification and putting into practice after invention disclosed herein, will easily expect other embodiment of the present invention.The application is intended to contain any modification of the present invention, purposes or adaptations, and these modification, purposes or adaptations are followed general principle of the present invention and comprised undocumented common practise or the conventional techniques means in the art of the disclosure.Specification and embodiment are only regarded as exemplary, and true scope of the present invention and spirit are pointed out by claim below.
Should be understood that, the present invention is not limited to precision architecture described above and illustrated in the accompanying drawings, and can carry out various modifications and change not departing from its scope.Scope of the present invention is only limited by appended claim.
Claims (13)
1. a circuit protection method, is characterized in that, described method comprises:
The detection signal that obtains moisture content detection device output, described moisture content detection device is positioned at input/output interface place;
Judge whether described detection signal exceedes activation threshold value;
In the time judging described detection signal and exceed activation threshold value, trigger power-off and control signal to power control.
2. the method for claim 1, is characterized in that, described detection signal changes along with the variation of the detection data of described moisture content detection device.
3. method as claimed in claim 2, is characterized in that, describedly judges that whether described detection signal exceedes activation threshold value, comprising:
Judge whether the variable quantity of described detection signal in default duration exceedes activation threshold value.
4. method as claimed in claim 2, is characterized in that, described detection data comprise waterlevel data or humidity data.
5. the method for claim 1, is characterized in that, described method also comprises:
Moisture content detection device for different input/output interfaces place arranges different activation threshold values.
6. method as claimed in claim 5, is characterized in that, the described moisture content detection device for different input/output interfaces place arranges different activation threshold values, comprising:
The activation threshold value that setting is positioned at the moisture content detection device at microphone place is greater than the activation threshold value of the moisture content detection device that is positioned at receiver or keystroke interface place.
7. a circuit protection device, is characterized in that, described device comprises:
Acquisition module, for obtaining the detection signal of moisture content detection device output, described moisture content detection device is positioned at input/output interface place;
Judge module, for judging whether described detection signal exceedes activation threshold value;
Trigger module, in the time judging described detection signal and exceed activation threshold value, triggers power-off and controls signal to power control.
8. device as claimed in claim 7, is characterized in that, described judge module comprises:
Judging unit, for judging whether the variable quantity of described detection signal in default duration exceedes activation threshold value.
9. device as claimed in claim 7, is characterized in that, described device also comprises:
Module is set, for different activation threshold values being set for the moisture content detection device at different input/output interfaces place.
10. a circuit protection device, is characterized in that, comprising:
Processor;
For the memory of storage of processor executable instruction;
Wherein said processor is configured to:
The detection signal that obtains moisture content detection device output, described moisture content detection device is positioned at input/output interface place;
Judge whether described detection signal exceedes activation threshold value;
In the time judging described detection signal and exceed activation threshold value, trigger power-off and control signal to power control.
11. 1 kinds of terminal equipments, is characterized in that, comprise water content detection device, logic controller and power-supply controller of electric; The detection signal output of described water content detection device is electrically connected with the input of described logic controller, and the output of described logic controller is electrically connected with the output of power-supply controller of electric;
The input/output interface that described water content detection device is positioned at terminal equipment is sentenced the inflow that detects input/output interface; When the detection signal of described water content detection device output exceedes activation threshold value, trigger described logic controller output power-off and control signal to power-supply controller of electric.
12. terminal equipments as claimed in claim 11, is characterized in that, described water content detection device comprises level sensor or humidity sensor.
13. terminal equipments as claimed in claim 12, it is characterized in that, described level sensor comprises parallel wire, is positioned at the general-purpose serial bus USB interface of terminal equipment shell, and described parallel wire extends to the outer surface of described general-purpose serial bus USB interface slot.
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CN105007366A (en) * | 2015-06-09 | 2015-10-28 | 惠州Tcl移动通信有限公司 | Processing method and system if a mobile terminal encounters water |
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CN105825153A (en) * | 2016-03-17 | 2016-08-03 | 广东欧珀移动通信有限公司 | Method and device for protecting mobile terminal |
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CN106446727A (en) * | 2016-09-06 | 2017-02-22 | 广东欧珀移动通信有限公司 | Protection method and apparatus for fall-off of mobile terminal |
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CN106446727A (en) * | 2016-09-06 | 2017-02-22 | 广东欧珀移动通信有限公司 | Protection method and apparatus for fall-off of mobile terminal |
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CN106873413A (en) * | 2017-01-23 | 2017-06-20 | 北京小米移动软件有限公司 | Smoke exhaust ventilator control method and device |
CN107517286A (en) * | 2017-07-28 | 2017-12-26 | 努比亚技术有限公司 | A kind of method for controlling mobile terminal and mobile terminal |
CN109344663A (en) * | 2018-09-25 | 2019-02-15 | 东莞华贝电子科技有限公司 | Water inlet means of defence, device and electric terminal |
CN109724944A (en) * | 2019-01-02 | 2019-05-07 | 合肥京东方光电科技有限公司 | A kind of the water inlet detection method and mobile terminal of mobile terminal |
CN109724944B (en) * | 2019-01-02 | 2022-02-01 | 合肥京东方光电科技有限公司 | Water inflow detection method of mobile terminal and mobile terminal |
CN112968988A (en) * | 2019-12-13 | 2021-06-15 | 深圳富泰宏精密工业有限公司 | Electronic device with waterproof function and waterproof method |
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