CN114812659A - Intelligent device water soaking detection method and wearable intelligent device - Google Patents
Intelligent device water soaking detection method and wearable intelligent device Download PDFInfo
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- CN114812659A CN114812659A CN202110064576.4A CN202110064576A CN114812659A CN 114812659 A CN114812659 A CN 114812659A CN 202110064576 A CN202110064576 A CN 202110064576A CN 114812659 A CN114812659 A CN 114812659A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 182
- 238000002791 soaking Methods 0.000 title claims abstract description 34
- 238000001514 detection method Methods 0.000 title claims abstract description 26
- 238000009530 blood pressure measurement Methods 0.000 claims abstract description 27
- 238000000034 method Methods 0.000 claims abstract description 17
- 238000005070 sampling Methods 0.000 claims description 21
- 230000007958 sleep Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 description 6
- 230000002035 prolonged effect Effects 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 230000001960 triggered effect Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005059 dormancy Effects 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
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Abstract
The invention provides a method for detecting water soaking of intelligent equipment and wearable intelligent equipment, wherein the method comprises the following steps: the method comprises the steps of obtaining the area of a region with a changed capacitance value on a display screen, triggering and measuring the external pressure of the intelligent equipment when the area of the region exceeds a preset value, and judging the state of the intelligent equipment according to a pressure measurement result. The equipment comprises: a display screen; a pressure measuring device; the processor is connected with the display screen and used for acquiring the area of the display screen with the changed capacitance value; and the MCU is connected with the processor and is used for controlling the pressure measuring device to measure the external pressure of the intelligent equipment when the area of the area exceeds a preset value, and judging the state of the intelligent equipment according to a pressure measurement result. The scheme has the advantages of higher detection precision and lower false judgment rate, and can reduce detection power consumption.
Description
Technical Field
The invention relates to the technical field of equipment bubble water detection, in particular to a bubble water detection method for intelligent equipment and wearable intelligent equipment.
Background
At present, most of intelligent devices such as smart watches and smart phones have water soaking detection capability, a common water soaking detection method is to detect whether a touch screen of the intelligent device is short-circuited in a large area, and when the touch screen is short-circuited in a large area, the intelligent device can be judged to fall into water or contact with water.
However, in some usage scenarios, such as a wet palm or skin and a large area touch screen, bubble water detection is easily triggered by mistake; simultaneously, after the wrist-watch goes out water, remaining water liquid on the screen also can lead to the system mistake to think that the wrist-watch still steeps in aqueous always, leads to steeping water detecting system continuous operation, extravagant electric energy. Therefore, there is a need for a method for detecting water soaking with higher detection accuracy and lower false positive rate, and capable of reducing detection power consumption.
Disclosure of Invention
The invention aims to provide a method for detecting water soaking of intelligent equipment and wearable intelligent equipment.
The technical scheme provided by the invention is as follows:
the invention provides a method for detecting water soaking of intelligent equipment, which comprises the following steps:
the method comprises the steps of obtaining the area of a region with a changed capacitance value on a display screen, triggering and measuring the external pressure of the intelligent equipment when the area of the region exceeds a preset value, and judging the state of the intelligent equipment according to a pressure measurement result.
Because the display screen is after soaking water, the capacitance value can obviously change, through the regional area that acquires the capacitance value change on the display screen, when regional area surpassed the default, triggered the external pressure who measures smart machine, if smart machine soaks water, its external pressure can obviously increase, consequently, can judge smart machine's state through the pressure measurement result, like income water state, bubble water state and play water state. According to the scheme, through two times of judgment, the precision of judging the water soaking of the intelligent equipment is higher, and the misjudgment rate is lower; meanwhile, the second judgment can be started after the first judgment is confirmed, and the second judgment is in a dormant state or a low power consumption state under other conditions, so that the detection power consumption is reduced.
Specifically, after the intelligent device enters water, the display screen of the intelligent device can sense the capacitance value change of a large area and multiple channels if the touch screen is used, but in other situations, such as when a palm or skin is wet and the touch screen is large in area, the capacitance change of the touch screen in a large area is also possible to cause, and therefore, the accuracy of judging whether the intelligent device is soaked in water or not is not high only through the capacitance value change.
When the intelligent device falls into water or goes out of water, the external environment pressure of the intelligent device can obviously change (before falling into water, the intelligent device is subjected to air pressure, and after falling into water, the intelligent device is subjected to water pressure). If the intelligent watch falls into water, the external pressure of the intelligent watch can be gradually increased until the intelligent device is in contact with the bottom, and the external pressure is stable; if the intelligent equipment is drained, the external pressure of the intelligent equipment can be gradually reduced until the intelligent equipment is completely drained, and the external pressure is restored to the external atmospheric pressure. Therefore, after the capacitance value of the display screen is judged to be changed in a large area, the current state of the intelligent device can be judged according to the pressure measurement result by measuring the external pressure of the intelligent device.
In addition, in this scheme, the chip, the processor and the like for controlling and measuring the external pressure and the pressure measuring device for specifically measuring, such as a barometer, a pressure sensor and the like, do not work initially but are in a dormant state or a low-power consumption state, and only when the capacitance value of the display screen changes in a large area, the work and the measurement are carried out, so that the power consumption of the intelligent device can be reduced, and the service life of the intelligent device is prolonged.
Further, the method specifically comprises the following steps:
measuring an initial pressure value of the intelligent equipment subjected to the outside in a normal state;
acquiring the area of the area with the changed capacitance value on the display screen, and triggering and measuring the current pressure value of the intelligent equipment from the outside when the area of the area exceeds a preset value;
and judging the state of the intelligent equipment according to the change of the current pressure value and the initial pressure value.
Specifically, under normal external environment, the external pressure that the smart machine received is atmospheric pressure, and when the smart machine soaked water, the external pressure that receives was water pressure, and the smart machine received external initial pressure value under through measuring normal condition, and when the regional area that the capacitance value changes exceeded the default on the display screen, the current pressure value that the smart machine received external was measured in the retriggering again, compares current pressure value and initial pressure value, just can judge the current state of smart machine.
In addition, because the intelligent device has three states of water entering, water soaking and water outlet when falling into water and fishing out, in order to accurately judge the specific current state of the intelligent device, the judgment can be carried out through the change of the area with the changed capacitance value on the display screen and the change of the pressure value received by the intelligent device.
Further, when the area of the region with the capacitance value increased exceeds a first preset value and is gradually increased, increasing the sampling frequency of the current pressure value, and if the current pressure value is larger than the initial pressure value and is gradually increased, judging that the intelligent equipment enters water; and/or;
when the capacitance values of all the areas in the display screen are increased, increasing the sampling frequency of the current pressure value, and if the current pressure value is larger than the initial pressure value and is gradually increased, or the current pressure value is larger than the initial pressure value and is kept stable, judging that the intelligent equipment is soaked in water; and/or;
and when the area of the region with the reduced capacitance value exceeds a second preset value and is gradually increased, increasing the sampling frequency of the current pressure value, and if the current pressure value is larger than the initial pressure value and is gradually reduced, or the current pressure value is equal to the initial pressure value, judging that the intelligent equipment is drained.
Specifically, when smart machine went into water, because smart machine's display screen can contact the surface of water gradually, the capacitance value of the display screen of contact water can increase, and its ambient pressure that receives also can increase gradually. Therefore, when the area of the region where the capacitance value is increased exceeds the first preset value and is also gradually increased, the sampling frequency of the current pressure value is increased, and if the current pressure value is greater than the initial pressure value and is gradually increased, the intelligent device can be judged to be in the water entering state.
When the smart machine steeps water completely, the capacitance value of the display screen of the smart machine can be increased completely, and because the smart machine touches down or continuously sinks, and the pressure value that receives can remain stable or continue to increase. Therefore, when the capacitance values of all the regions in the display screen are increased, the sampling frequency of the current pressure value is increased, and if the current pressure value is larger than the initial pressure value and is gradually increased, or the current pressure value is larger than the initial pressure value and is kept stable, the intelligent device can be judged to be in a water soaking state.
When the smart machine goes out water, because the display screen of smart machine can leave the surface of water gradually, the capacitance value of the display screen that leaves water can reduce, and the external pressure that it received also can reduce gradually, until recovering external atmospheric pressure. Therefore, when the area of the area where the capacitance value is reduced exceeds the second preset value and is gradually increased, the sampling frequency of the current pressure value is increased, and if the current pressure value is larger than the initial pressure value and is gradually reduced, or the current pressure value is equal to the initial pressure value, the intelligent device can be judged to be in a water outlet state.
In addition, in the present embodiment, the sizes of the first preset value and the second preset value may be determined according to the size of the display screen, the requirement of detection precision, and the like, and are not limited herein.
Further, the acquiring of the area where the capacitance value changes on the display screen specifically includes:
measuring initial capacitance values of all unit areas on the display screen in a normal state;
acquiring the current capacitance value of each unit area on the display screen;
and judging the number of unit areas with changed capacitance values according to the current capacitance values and the initial capacitance values, and obtaining the area of the area with the changed capacitance values.
Specifically, when the area of the area where the capacitance value changes on the display screen is obtained, the area of the area where the capacitance value changes can be determined according to the number of unit areas where the capacitance value changes, the display screen is divided into a plurality of unit areas, each unit area corresponds to one capacitance value, the area of each unit area is known and fixed, when the intelligent device is soaked in water, the capacitance value corresponding to each unit area changes, and the area of the area where the capacitance value changes can be obtained by counting the number of the unit areas where the capacitance value changes.
Further, the acquiring of the area where the capacitance value changes on the display screen specifically includes:
establishing a coordinate system corresponding to the display screen;
measuring initial capacitance values of all coordinate points on the display screen in a normal state;
acquiring the current capacitance value of each coordinate point on the display screen;
and obtaining a region with a changed capacitance value according to the current capacitance value and the initial capacitance value, and calculating the area of the corresponding region.
Specifically, when the area of the display screen where the capacitance value changes is obtained, a coordinate system can be established on the display screen, each coordinate point corresponds to one capacitance value, and when the capacitance value corresponding to the unit area of the intelligent device changes when the intelligent device is soaked in water, the coordinate area where the capacitance value changes can be obtained through the coordinate system, so that the corresponding area of the area can be calculated.
In addition, in other embodiments, the area of the area where the capacitance value changes on the display screen may also be calculated in other manners, which is not limited herein.
Further, after the state of the intelligent device is judged according to the pressure measurement result, the method further comprises the following steps:
stopping measuring the ambient pressure of the smart device;
and sending a state notification to the mobile terminal bound with the intelligent equipment.
After the current state of the intelligent equipment is judged according to the pressure measurement result, the measurement of the external pressure of the intelligent equipment is stopped, the pressure measuring device for measuring the external pressure of the intelligent equipment returns to the low power consumption or dormant state again, the power consumption of the intelligent equipment can be reduced, and the service time of the intelligent equipment is prolonged.
In addition, current smart machine, if mobile terminals such as smart watch, flat board etc. can bind (when smart machine is the cell-phone, can also bind with other mobile terminals) with mobile terminals such as cell-phone, detect the current state of smart machine (including going into water, bubble water and going out of water), can send corresponding notice to cell-phone end APP to remind user smart machine's current state.
In addition, the present invention also provides a wearable smart device, comprising:
a display screen;
a pressure measuring device;
the processor is connected with the display screen and used for acquiring the area of the display screen with the changed capacitance value;
and the MCU is connected with the processor and is used for controlling the pressure measuring device to measure the external pressure of the intelligent equipment when the area of the area exceeds a preset value, and judging the state of the intelligent equipment according to a pressure measurement result.
Because the display screen is after soaking water, the capacitance value can obviously change, acquire the regional area that the capacitance value changes on the display screen through the treater, when regional area exceeded the default, measure the ambient pressure of smart machine through the pressure measurement device, if the smart machine soaks water, its ambient pressure can obviously increase, consequently, can judge the state of smart machine through the pressure measurement result, like income water state, bubble water state and play water state. According to the scheme, through two times of judgment, the accuracy of judging the soaking of the wearable intelligent equipment is higher, and the misjudgment rate is lower; meanwhile, the second judgment can be started after the first judgment is confirmed, and the second judgment is in a dormant state or a low power consumption state under other conditions, so that the detection power consumption is reduced.
Specifically, wearable smart machine, like intelligent wrist-watch is after entrying, its display screen, can sense the capacitance value change of large tracts of land, multichannel like the touch-sensitive screen, but, other condition, when palm or skin are moist and large tracts of land touch-sensitive screen, also probably lead to the capacitance change of touch-sensitive screen large tracts of land, consequently, it is not high only to change through the capacitance value to judge whether the wearable smart machine soaks the water precision.
When the wearable intelligent device falls into water or goes out of water, the external environment pressure of the wearable intelligent device can change obviously (before falling into water, the wearable intelligent device is subjected to air pressure, and after falling into water, the wearable intelligent device is subjected to water pressure). If the intelligent watch falls into water, the external pressure of the intelligent watch can be gradually increased until the wearable intelligent device is in contact with the bottom, and the external pressure is stable; if wearable smart machine goes out water again, its external pressure can reduce gradually, and until wearable smart machine goes out water completely, external pressure resumes external atmospheric pressure. Consequently, after the capacitance value of judging the display screen appears the large tracts of land and changes, the current state of wearable smart machine can be judged according to the pressure measurement result to the ambient pressure of rethread measurement wearable smart machine.
In addition, in this scheme, the MCU (micro control unit), treater etc. of external pressure are measured in the control to and specifically carry out measuring pressure device, for example barometer, pressure sensor etc. do not work when the initialization, but are in dormancy or low-power consumption state, only when the capacitance value of display screen appears the large tracts of land and changes, just work and measure, can reduce wearable smart machine's consumption, the live time of extension wearable smart machine.
In this scheme, in order to reduce the power consumption of the smart device, the MCU should preferably be a low power consumption MCU, for example, a sensorHub or the like is selected, and the processor may be an application processor, and in other embodiments, other MCUs or processors may be selected according to the use requirement.
Further, the pressure measuring device is also used for measuring an initial pressure value of the wearable intelligent device subjected to the outside in a normal state;
and when the area of the area exceeds a preset value, the MCU controls the pressure measuring device to measure the current pressure value of the wearable intelligent equipment, and judges the state of the wearable intelligent equipment according to the change of the current pressure value and the initial pressure value.
Specifically, under normal external environment, the external pressure that wearable smart machine received is atmospheric pressure, and when wearable smart machine steeped water, the external pressure that receives was water pressure, and wearable smart machine received external initial pressure value under through measuring normal condition, and when the regional area that the capacitance value changes exceeded the default on the display screen, the current pressure value that wearable smart machine received external was measured in the retriggering, compares current pressure value and initial pressure value, just can judge wearable smart machine's current state.
In addition, as the wearable intelligent device has three states of water entering, water soaking and water outlet when falling into water and fishing out, the specific current state of the wearable intelligent device can be accurately judged by the change of the area of the region with the changed capacitance value on the display screen and the change of the pressure value received by the wearable intelligent device.
Further, when the MCU judges that the area of the region with the capacitance value increased exceeds a first preset value and is gradually increased, and the current pressure value is larger than the initial pressure value and is gradually increased, the wearable intelligent device is judged to enter water; and/or;
when the MCU judges that the capacitance values of all the areas in the display screen are increased, the current pressure value is larger than the initial pressure value and is gradually increased, or the current pressure value is larger than the initial pressure value and is kept stable, judging that the wearable intelligent device is soaked in water; and/or;
and when the MCU judges that the area of the region with the reduced capacitance value exceeds a second preset value and gradually increases, and the current pressure value is larger than the initial pressure value and gradually decreases, or the current pressure value is equal to the initial pressure value, judging that the wearable intelligent device discharges water.
Specifically, when wearable smart machine went into water, because wearable smart machine's display screen can contact the surface of water gradually, the capacitance value of the display screen of contact water can increase, and the ambient pressure that it received also can crescent. Therefore, when the area of the region where the capacitance value is increased exceeds the first preset value and is also gradually increased, the sampling frequency of the current pressure value is increased, and if the current pressure value is greater than the initial pressure value and is gradually increased, it can be determined that the wearable intelligent device is in the water entering state.
When the wearable smart device completely bubbles water, the capacitance value of the display screen of the wearable smart device can be increased completely, and the wearable smart device is grounded or continuously sinks, and the pressure value received can be kept stable or continuously increased. Therefore, when the capacitance value of all regions in the display screen all increased, increase the sampling frequency to current pressure value, if current pressure value was greater than initial pressure value and crescent, or current pressure value was greater than initial pressure value and remain stable, then can judge that wearable smart machine is in the bubble water state.
When wearable smart machine goes out water, because wearable smart machine's display screen can leave the surface of water gradually, the capacitance value of leaving the display screen of water can reduce, and its external pressure that receives also can reduce gradually, until resuming external atmospheric pressure. Therefore, when the area of the region where the capacitance value is reduced exceeds the second preset value and gradually increases, the sampling frequency of the current pressure value is increased, and if the current pressure value is larger than the initial pressure value and gradually decreases, or the current pressure value is equal to the initial pressure value, it can be determined that the wearable intelligent device is in the water outlet state.
In addition, in the present embodiment, the sizes of the first preset value and the second preset value may be determined according to the size of the display screen, the requirement of detection precision, and the like, and are not limited herein.
Further, after judging the state of the wearable intelligent device, the MCU sends state information to the processor and enters a sleep mode or a low power consumption mode;
the processor sends a state notification of the wearable smart device to a mobile terminal bound to the wearable smart device.
After the current state of the wearable intelligent device is judged through the pressure measurement result, the external pressure of the wearable intelligent device is stopped to be measured, the pressure measuring device for measuring the external pressure of the wearable intelligent device returns to the low power consumption or the dormant state again, the power consumption of the wearable intelligent device can be reduced, and the service time of the wearable intelligent device is prolonged.
In addition, current wearable smart machine, if the intelligent wrist-watch mostly can bind with mobile terminal such as cell-phone, detect wearable smart machine's current state (including getting into water, bubble water and going out water) after, can send corresponding notice to cell-phone end APP to remind the current state of wearable smart machine of user.
According to the intelligent device water soaking detection method and the wearable intelligent device, the capacitance value can be obviously changed after the display screen is soaked with water, the external pressure of the intelligent device is triggered and measured when the area of the area is larger than the preset value by acquiring the area of the display screen where the capacitance value is changed, and the external pressure of the intelligent device is obviously increased if the intelligent device is soaked with water, so that the state of the intelligent device, such as the water inlet state, the water soaking state and the water outlet state, can be judged according to the pressure measurement result. According to the scheme, through two times of judgment, the precision of judging the water soaking of the intelligent equipment is higher, and the misjudgment rate is lower; meanwhile, the second judgment can be started after the first judgment is confirmed, and the second judgment is in a dormant state or a low power consumption state under other conditions, so that the detection power consumption is reduced.
Drawings
The foregoing features, technical features, advantages and embodiments of the present invention will be further explained in the following detailed description of the preferred embodiments, which is to be read in connection with the accompanying drawings.
FIG. 1 is a schematic flow diagram of a method for detecting water soaking according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart of a bubble water detection method according to another embodiment of the present invention;
FIG. 3 is a schematic diagram illustrating changes in ambient pressure of a smart device according to an embodiment of the invention;
FIG. 4 is a schematic flow chart of region area acquisition according to an embodiment of the present invention;
FIG. 5 is a schematic flow chart of region area acquisition according to another embodiment of the present invention;
fig. 6 is a schematic structural diagram of a wearable smart device according to an embodiment of the present invention.
Reference numbers in the figures: 1-a touch screen; 2-a pressure measuring device; 3-a processor; 4-MCU; 5-communication module.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will be made with reference to the accompanying drawings. It is obvious that the drawings in the following description are only some examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be derived from them without inventive effort.
For the sake of simplicity, the drawings only schematically show the parts relevant to the present invention, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".
Example 1
One embodiment of the present invention, as shown in fig. 1, provides a method for detecting water soaking in an intelligent device, including:
and S1, acquiring the area of the display screen where the capacitance value changes.
And S2, when the area of the region exceeds a preset value, triggering to measure the external pressure of the intelligent device.
And S3, judging the state of the intelligent device according to the pressure measurement result.
Because the display screen is after soaking water, the capacitance value can obviously change, through the regional area that acquires the capacitance value change on the display screen, when regional area surpassed the default, triggered the external pressure who measures smart machine, if smart machine soaks water, its external pressure can obviously increase, consequently, can judge smart machine's state through the pressure measurement result, like income water state, bubble water state and play water state. According to the scheme, through two times of judgment, the precision of judging the water soaking of the intelligent equipment is higher, and the misjudgment rate is lower; meanwhile, the second judgment can be started after the first judgment is confirmed, and the second judgment is in a dormant state or a low power consumption state under other conditions, so that the detection power consumption is reduced.
Specifically, after the intelligent device enters water, the display screen of the intelligent device can sense the capacitance value change of a large area and multiple channels if the touch screen is used, but in other situations, such as when a palm or skin is wet and the touch screen is large in area, the capacitance change of the touch screen in a large area is also possible to cause, and therefore, the accuracy of judging whether the intelligent device is soaked in water or not is not high only through the capacitance value change.
As shown in fig. 3, when the intelligent device falls into or out of water, the external environmental pressure of the intelligent device changes significantly (before falling into water, the intelligent device is subjected to air pressure, and after falling into water, the intelligent device is subjected to water pressure). If the intelligent watch falls into water, the external pressure of the intelligent watch can be gradually increased until the intelligent device is in contact with the bottom, and the external pressure is stable; if the intelligent equipment is drained, the external pressure of the intelligent equipment can be gradually reduced until the intelligent equipment is completely drained, and the external pressure is restored to the external atmospheric pressure. Therefore, after the capacitance value of the display screen is judged to be changed in a large area, the current state of the intelligent device can be judged according to the pressure measurement result by measuring the external pressure of the intelligent device.
In addition, in this scheme, control chip, treater etc. of measuring ambient pressure to and specifically carry out the pressure measurement device who measures, for example barometer, pressure sensor etc. do not work at the initial time, but are in dormancy or low-power consumption state, only when the capacitance value of display screen appears changing by a large scale, just work and measure, can reduce the consumption of smart machine, prolong smart machine's live time.
Preferably, after the state of the smart device is judged according to the pressure measurement result, the method further includes the steps of:
stopping measuring the external pressure of the intelligent equipment; and sending a state notification to the mobile terminal bound with the intelligent equipment.
After the current state of the intelligent equipment is judged according to the pressure measurement result, the measurement of the external pressure of the intelligent equipment is stopped, the pressure measuring device for measuring the external pressure of the intelligent equipment returns to the low power consumption or dormant state again, the power consumption of the intelligent equipment can be reduced, and the service time of the intelligent equipment is prolonged.
In addition, current smart machine, if mobile terminals such as smart watch, flat board etc. can bind (when smart machine is the cell-phone, can also bind with other mobile terminals) with mobile terminals such as cell-phone, detect the current state of smart machine (including going into water, bubble water and going out of water), can send corresponding notice to cell-phone end APP to remind user smart machine's current state.
Example 2
An embodiment of the present invention is shown in fig. 2, and on the basis of embodiment 1, the method for detecting water soaking in an intelligent device provided by the present invention specifically includes:
and S10, measuring an initial pressure value of the intelligent device subjected to the outside in a normal state.
And S20, acquiring the area of the display screen where the capacitance value changes.
And S30, when the area of the region exceeds the preset value, triggering the measurement of the current pressure value of the intelligent device from the outside.
And S40, judging the state of the intelligent device according to the change of the current pressure value and the initial pressure value.
Specifically, under normal external environment, the external pressure that the smart machine received is atmospheric pressure, and when the smart machine soaked water, the external pressure that receives was water pressure, and the smart machine received external initial pressure value under through measuring normal condition, and when the regional area that the capacitance value changes exceeded the default on the display screen, the current pressure value that the smart machine received external was measured in the retriggering again, compares current pressure value and initial pressure value, just can judge the current state of smart machine.
Example 3
In one embodiment of the present invention, on the basis of embodiment 1 or 2, when the area of the region where the capacitance value increases exceeds the first preset value and gradually increases, the sampling frequency for the current pressure value is increased, and if the current pressure value is greater than the initial pressure value and gradually increases, it is determined that the intelligent device enters water; and/or; when the capacitance values of all the areas in the display screen are increased, increasing the sampling frequency of the current pressure value, and if the current pressure value is larger than the initial pressure value and is gradually increased, or the current pressure value is larger than the initial pressure value and is kept stable, judging that the intelligent equipment is soaked in water; and/or; when the area of the area with the reduced capacitance value exceeds the second preset value and is gradually increased, the sampling frequency of the current pressure value is increased, and if the current pressure value is larger than the initial pressure value and is gradually reduced, or the current pressure value is equal to the initial pressure value, the water outlet of the intelligent device is judged.
Because the intelligent device has three states of water entering, water soaking and water outlet when falling into water and fishing out, in order to accurately judge the specific current state of the intelligent device, the judgment can be carried out through the change of the area with the changed capacitance value on the display screen and the change of the pressure value received by the intelligent device.
Specifically, when smart machine went into water, because smart machine's display screen can contact the surface of water gradually, the capacitance value of the display screen of contact water can increase, and its ambient pressure that receives also can increase gradually. Therefore, when the area of the region where the capacitance value is increased exceeds the first preset value and is also gradually increased, the sampling frequency of the current pressure value is increased, and if the current pressure value is greater than the initial pressure value and is gradually increased, the intelligent device can be judged to be in the water entering state.
When the smart machine steeps water completely, the capacitance value of the display screen of the smart machine can be increased completely, and because the smart machine touches down or continuously sinks, and the pressure value that receives can remain stable or continue to increase. Therefore, when the capacitance values of all the regions in the display screen are increased, the sampling frequency of the current pressure value is increased, and if the current pressure value is larger than the initial pressure value and is gradually increased, or the current pressure value is larger than the initial pressure value and is kept stable, the intelligent device can be judged to be in a water soaking state.
When the smart machine goes out water, because the display screen of smart machine can leave the surface of water gradually, the capacitance value of the display screen that leaves water can reduce, and the external pressure that it received also can reduce gradually, until resuming external atmospheric pressure. Therefore, when the area of the area where the capacitance value is reduced exceeds the second preset value and is gradually increased, the sampling frequency of the current pressure value is increased, and if the current pressure value is larger than the initial pressure value and is gradually reduced, or the current pressure value is equal to the initial pressure value, the intelligent device can be judged to be in a water outlet state.
In addition, in the present embodiment, the sizes of the first preset value and the second preset value may be determined according to the size of the display screen, the requirement of detection precision, and the like, and are not limited herein.
Example 4
As shown in fig. 4, an embodiment of the present invention, based on any one of the above embodiments, acquiring an area of a region where a capacitance value changes on a display screen specifically includes:
and S11, measuring the initial capacitance value of each unit area on the display screen in the normal state.
And S12, acquiring the current capacitance value of each unit area on the display screen.
And S13, judging the number of unit areas with changed capacitance values according to the current capacitance values and the initial capacitance values, and obtaining the area of the area with the changed capacitance values.
Specifically, when the area of the area where the capacitance value changes on the display screen is obtained, the display screen can be divided into a plurality of unit areas according to the number of the unit areas where the capacitance value changes, each unit area corresponds to one capacitance value, the area of each unit area is known and fixed, when the intelligent device is soaked in water, the capacitance value corresponding to each unit area changes, and the area of the area where the capacitance value changes can be obtained by counting the number of the unit areas where the capacitance value changes.
In addition, as shown in fig. 5, the area of the area where the capacitance value changes on the display screen is obtained, and the following steps may also be adopted:
and S14, establishing a coordinate system corresponding to the display screen.
And S15, measuring the initial capacitance value of each coordinate point on the display screen in a normal state.
And S16, acquiring the current capacitance value of each coordinate point on the display screen.
And S17, obtaining the region with the changed capacitance value according to the current capacitance value and the initial capacitance value, and calculating the corresponding region area.
Specifically, when the area of the display screen where the capacitance value changes is obtained, a coordinate system can be established on the display screen, each coordinate point corresponds to one capacitance value, and when the capacitance value corresponding to the unit area of the intelligent device changes when the intelligent device is soaked in water, the coordinate area where the capacitance value changes can be obtained through the coordinate system, so that the corresponding area of the area can be calculated.
In addition, in other embodiments, the area of the area where the capacitance value changes on the display screen may also be calculated in other manners, which is not limited herein.
Example 5
In an embodiment of the present invention, as shown in fig. 6, the present invention further provides a wearable smart device, which includes a display screen 1, a pressure measuring device 2, a processor 3, an MCU4, and a communication module 5.
The processor 3 is connected with the display screen 1 and is used for acquiring the area of the display screen 1 where the capacitance value changes.
The MCU4 is connected with the processor 3 and is used for controlling the pressure measuring device 2 to measure the external pressure of the intelligent equipment when the area of the area exceeds a preset value, and judging the state of the intelligent equipment according to the pressure measurement result.
Because display screen 1 is after soaking water, the capacitance value can obviously change, acquires the regional area that the capacitance value changes on the display screen 1 through processor 3, when regional area surpassed the default, through pressure measurement device 2 measurement smart machine's external pressure, if smart machine soaks water, its external pressure can obviously increase, consequently, can judge smart machine's state through the pressure measurement result, like income water state, bubble water state and play water state. According to the scheme, through two times of judgment, the accuracy of judging the soaking of the wearable intelligent equipment is higher, and the misjudgment rate is lower; meanwhile, the second judgment can be started after the first judgment is confirmed, and the second judgment is in a dormant state or a low power consumption state under other conditions, so that the detection power consumption is reduced.
Specifically, wearable smart machine, like intelligent wrist-watch is after entrying, its display screen, can sense the capacitance value change of large tracts of land, multichannel like the touch-sensitive screen, but, other condition, when palm or skin are moist and large tracts of land touch-sensitive screen, also probably lead to the capacitance change of touch-sensitive screen large tracts of land, consequently, it is not high only to change through the capacitance value to judge whether the wearable smart machine soaks the water precision.
As shown in fig. 3, when the wearable smart device falls into or out of water, the external environmental pressure of the wearable smart device changes significantly (before falling into water, the wearable smart device is subjected to air pressure, and after falling into water, the wearable smart device is subjected to water pressure). If the intelligent watch falls into water, the external pressure of the intelligent watch can be gradually increased until the wearable intelligent device is in contact with the bottom, and the external pressure is stable; if wearable smart machine goes out water again, its external pressure can reduce gradually, goes out water completely until wearable smart machine, and external pressure resumes external atmospheric pressure. Therefore, after the capacitance value of the display screen is judged to be changed in a large area, the current state of the wearable intelligent device can be judged according to the pressure measurement result by measuring the external pressure of the wearable intelligent device.
In addition, in this scheme, the MCU (micro control unit), treater etc. of external pressure are measured in the control to and specifically carry out measuring pressure device, for example barometer, pressure sensor etc. do not work when the initialization, but are in dormancy or low-power consumption state, only when the capacitance value of display screen appears the large tracts of land and changes, just work and measure, can reduce wearable smart machine's consumption, the live time of extension wearable smart machine.
In this embodiment, in order to reduce the power consumption of the smart device, the MCU should preferably be a low power consumption MCU, such as sensorHub, and the processor may be an application processor.
Preferably, the MCU4 sends the status information to the processor 3 after determining the status of the wearable smart device, and enters a sleep or low power mode.
The processor 3 sends a notification of the state of the wearable smart device to the mobile terminal bound to the wearable smart device through the communication module 5.
After the current state of the wearable intelligent device is judged through the pressure measurement result, the external pressure of the wearable intelligent device is stopped to be measured, the pressure measuring device for measuring the external pressure of the wearable intelligent device returns to the low power consumption or the dormant state again, the power consumption of the wearable intelligent device can be reduced, and the service time of the wearable intelligent device is prolonged.
In addition, current wearable smart machine, if the intelligent wrist-watch mostly can bind with mobile terminal such as cell-phone, detect wearable smart machine's current state (including going into water, bubble water and going out water) after, can send corresponding notice to cell-phone end APP to remind the current state of the wearable smart machine of user.
Example 6
In an embodiment of the present invention, on the basis of embodiment 5, the pressure measuring device 2 is further configured to measure an initial pressure value of the wearable smart device, which is applied to the outside in a normal state.
When the area of the area exceeds the preset value, the MCU4 controls the pressure measuring device 2 to measure the current pressure value of the wearable intelligent device, and judges the state of the wearable intelligent device according to the change of the current pressure value and the initial pressure value.
Specifically, under normal external environment, the external pressure that wearable smart machine received is atmospheric pressure, and when wearable smart machine steeped water, the external pressure that receives was water pressure, and wearable smart machine received external initial pressure value under through measuring normal condition, and when the regional area that the capacitance value changes exceeded the default on the display screen, the current pressure value that wearable smart machine received external was measured in the retriggering, compares current pressure value and initial pressure value, just can judge wearable smart machine's current state.
In addition, as the wearable intelligent device has three states of water entering, water soaking and water outlet when falling into water and fishing out, the specific current state of the wearable intelligent device can be accurately judged by the change of the area of the region with the changed capacitance value on the display screen and the change of the pressure value received by the wearable intelligent device.
Preferably, when the MCU4 determines that the area of the region where the capacitance value increases exceeds the first preset value and gradually increases, and the current pressure value is greater than the initial pressure value and gradually increases, it determines that the wearable smart device enters water; and/or; when the MCU4 judges that the capacitance values of all the areas in the display screen are increased, the current pressure value is larger than the initial pressure value and is gradually increased, or the current pressure value is larger than the initial pressure value and is kept stable, judging that the wearable intelligent device is soaked in water; and/or; when the MCU4 judges that the area of the region where the capacitance value is reduced exceeds the second preset value and gradually increases, and the current pressure value is larger than the initial pressure value and gradually decreases, or the current pressure value is equal to the initial pressure value, the wearable intelligent device is judged to be out of water.
Specifically, when wearable smart machine went into water, because wearable smart machine's display screen can contact the surface of water gradually, the capacitance value of the display screen of contact water can increase, and the ambient pressure that it received also can crescent. Therefore, when the area of the region where the capacitance value is increased exceeds the first preset value and is also gradually increased, the sampling frequency of the current pressure value is increased, and if the current pressure value is greater than the initial pressure value and is gradually increased, it can be determined that the wearable intelligent device is in the water entering state.
When the wearable smart device completely bubbles water, the capacitance value of the display screen of the wearable smart device can be increased completely, and the wearable smart device is grounded or continuously sinks, and the pressure value received can be kept stable or continuously increased. Therefore, when the capacitance value of all regions in the display screen all increased, increase the sampling frequency to current pressure value, if current pressure value was greater than initial pressure value and crescent, or current pressure value was greater than initial pressure value and remain stable, then can judge that wearable smart machine is in the bubble water state.
When wearable smart machine goes out water, because wearable smart machine's display screen can leave the surface of water gradually, the capacitance value of leaving the display screen of water can reduce, and its external pressure that receives also can reduce gradually, until resuming external atmospheric pressure. Therefore, when the area of the region where the capacitance value is reduced exceeds the second preset value and gradually increases, the sampling frequency of the current pressure value is increased, and if the current pressure value is larger than the initial pressure value and gradually decreases, or the current pressure value is equal to the initial pressure value, it can be determined that the wearable intelligent device is in the water outlet state.
In addition, in the present embodiment, the sizes of the first preset value and the second preset value may be determined according to the size of the display screen, the requirement of detection precision, and the like, and are not limited herein.
It should be noted that the above embodiments can be freely combined as necessary. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A method for detecting water soaking of intelligent equipment is characterized by comprising the following steps:
the method comprises the steps of obtaining the area of a region with a changed capacitance value on a display screen, triggering and measuring the external pressure of the intelligent equipment when the area of the region exceeds a preset value, and judging the state of the intelligent equipment according to a pressure measurement result.
2. The intelligent device water soaking detection method according to claim 1, which specifically comprises the following steps:
measuring an initial pressure value of the intelligent equipment subjected to the outside in a normal state;
acquiring the area of the area with the changed capacitance value on the display screen, and triggering and measuring the current pressure value of the intelligent equipment from the outside when the area of the area exceeds a preset value;
and judging the state of the intelligent equipment according to the change of the current pressure value and the initial pressure value.
3. The intelligent device water soaking detection method according to claim 2, characterized in that:
when the area of the region with the capacitance value increased exceeds a first preset value and is gradually increased, increasing the sampling frequency of the current pressure value, and if the current pressure value is larger than the initial pressure value and is gradually increased, judging that the intelligent equipment enters water; and/or;
when the capacitance values of all the areas in the display screen are increased, increasing the sampling frequency of the current pressure value, and if the current pressure value is larger than the initial pressure value and is gradually increased, or the current pressure value is larger than the initial pressure value and is kept stable, judging that the intelligent equipment is soaked in water; and/or;
and when the area of the region with the reduced capacitance value exceeds a second preset value and is gradually increased, increasing the sampling frequency of the current pressure value, and if the current pressure value is larger than the initial pressure value and is gradually reduced, or the current pressure value is equal to the initial pressure value, judging that the intelligent equipment is drained.
4. The method for detecting water soaking of intelligent equipment according to claim 1, wherein the step of acquiring the area of the area where the capacitance value changes on the display screen specifically comprises the steps of:
measuring initial capacitance values of all unit areas on the display screen in a normal state;
acquiring the current capacitance value of each unit area on the display screen;
and judging the number of unit areas with changed capacitance values according to the current capacitance values and the initial capacitance values, and obtaining the area of the area with the changed capacitance values.
5. The intelligent device water soaking detection method according to claim 1, characterized in that: the acquiring of the area where the capacitance value changes on the display screen specifically includes:
establishing a coordinate system corresponding to the display screen;
measuring initial capacitance values of all coordinate points on the display screen in a normal state;
acquiring the current capacitance value of each coordinate point on the display screen;
and obtaining a region with a changed capacitance value according to the current capacitance value and the initial capacitance value, and calculating the area of the corresponding region.
6. The intelligent device water soaking detection method according to any one of claims 1-5, wherein after the state of the intelligent device is judged according to the pressure measurement result, the method further comprises the following steps:
stopping measuring the ambient pressure of the smart device;
and sending a state notification to the mobile terminal bound with the intelligent equipment.
7. A wearable smart device, comprising:
a display screen;
a pressure measuring device;
the processor is connected with the display screen and used for acquiring the area of the display screen with the changed capacitance value;
and the MCU is connected with the processor and is used for controlling the pressure measuring device to measure the external pressure of the intelligent equipment when the area of the area exceeds a preset value, and judging the state of the intelligent equipment according to a pressure measurement result.
8. The wearable smart device of claim 7, wherein:
the pressure measuring device is also used for measuring an initial pressure value of the intelligent equipment subjected to the outside in a normal state;
and when the area of the area exceeds a preset value, the MCU controls the pressure measuring device to measure the current pressure value of the intelligent equipment, and judges the state of the intelligent equipment according to the change of the current pressure value and the initial pressure value.
9. The wearable smart device of claim 8, wherein:
when the MCU judges that the area of the area with the capacitance value increased exceeds a first preset value and is gradually increased, and the current pressure value is larger than the initial pressure value and is gradually increased, the intelligent device is judged to enter water; and/or;
when the MCU judges that the capacitance values of all the areas in the display screen are increased, the current pressure value is larger than the initial pressure value and is gradually increased, or the current pressure value is larger than the initial pressure value and is kept stable, the intelligent equipment is judged to be soaked; and/or;
and when the MCU judges that the area of the area with the reduced capacitance value exceeds a second preset value and is gradually increased, and the current pressure value is greater than the initial pressure value and is gradually reduced, or the current pressure value is equal to the initial pressure value, judging that the intelligent equipment produces water.
10. A wearable smart device according to any of claims 7-9, wherein:
after judging the state of the wearable intelligent device, the MCU sends state information to the processor and enters a sleep or low power consumption mode;
the processor sends a state notification of the wearable smart device to a mobile terminal bound to the wearable smart device.
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