CN107147771B - Method and device for adaptively preventing water inflow damage and mobile terminal - Google Patents

Method and device for adaptively preventing water inflow damage and mobile terminal Download PDF

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Publication number
CN107147771B
CN107147771B CN201610116355.6A CN201610116355A CN107147771B CN 107147771 B CN107147771 B CN 107147771B CN 201610116355 A CN201610116355 A CN 201610116355A CN 107147771 B CN107147771 B CN 107147771B
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mobile terminal
water
state information
mainboard
adaptive
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CN107147771A (en
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沈少武
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ZTE Corp
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ZTE Corp
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Priority to PCT/CN2016/084673 priority patent/WO2017148031A1/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
    • H04M1/72454—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions according to context-related or environment-related conditions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/725—Cordless telephones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
    • H04M1/72418—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality for supporting emergency services
    • H04M1/72421—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality for supporting emergency services with automatic activation of emergency service functions, e.g. upon sensing an alarm
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
    • H04M1/72463—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions to restrict the functionality of the device
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72484—User interfaces specially adapted for cordless or mobile telephones wherein functions are triggered by incoming communication events
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/738—Interface circuits for coupling substations to external telephone lines
    • H04M1/74—Interface circuits for coupling substations to external telephone lines with means for reducing interference; with means for reducing effects due to line faults
    • H04M1/745—Protection devices or circuits for voltages surges on the line

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Human Computer Interaction (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Environmental & Geological Engineering (AREA)
  • Telephone Function (AREA)
  • Telephone Set Structure (AREA)

Abstract

The invention provides a method, a device and a mobile terminal for adaptively preventing water inlet damage, wherein the method comprises the following steps: acquiring near water state information of the mobile terminal; and judging whether the mobile terminal has water inlet danger or not according to the collected near water state information, and cutting off a power supply of a mainboard of the mobile terminal when the mobile terminal is judged to have the water inlet danger. The device includes: the device comprises a collecting unit and a judging unit. The invention can automatically sense that the mobile terminal has water inlet danger and carry out power-off protection on the mobile terminal.

Description

Method and device for adaptively preventing water inflow damage and mobile terminal
Technical Field
The invention relates to the technical field of waterproofing of communication terminals, in particular to a method and a device for preventing water inflow damage in a self-adaptive mode and a mobile terminal.
Background
At present, the use scenes of mobile terminals and wearable equipment are more and more complex, the requirement on the waterproof performance of the terminals is higher and higher, for example, the mobile terminals can be accidentally dropped into a basin or a toilet in outdoor activities, field survival encounters rainy days, and near water activities such as soaking hot springs and fishing are carried out. At present, the mobile phone with the waterproof function is more popular with users. Therefore, the quality of the waterproof performance is a very important index of the high-end mobile phone, the safety performance of the whole mobile phone is influenced, and the satisfaction degree of a user can be improved to a great extent.
The existing waterproof technical scheme is as follows:
scheme one is equipped with the earphone jack on the casing and charges the jack and set up sealed lid or sealing plug, and trompil department all glues and is equipped with waterproof membrane or fills in waterproof plug on the cell-phone casing, perhaps sets up waterproof circle in the cell-phone. The schemes need to change the appearance of the mobile phone and the structure of the shell, have large dependence on the modification of parts and structures, can not ensure the waterproof effect permanently and completely, and have low yield and large producibility difficulty.
Scheme two, hide camera, earphone, microphone and the mouth that charges through the pivot, reach waterproof purpose. The scheme needs to change the appearance of the mobile phone and the structure of the shell, has large dependence on the modification of parts and structures, can not ensure the waterproof effect permanently and completely, and is suitable for the flip mobile phone with a rotating shaft.
And a third scheme is that the main board and the display screen of the mobile phone are placed in a sealable box. Half of the soft plastic boxes for placing the mainboard can be opened and closed, so that the battery, the network card and the like can be conveniently taken and placed. All the keys and the plastic box body are made into a whole body and are waterproof. Can prevent the main elements of the mainboard or the display screen and the like from being burnt out due to the water entering the mobile phone. The scheme needs to change the appearance of the mobile phone and the structure of the shell, and has large dependence on the modification of parts and structures and high design cost. And all parts of the mobile phone cannot be completely waterproof, and the thickness of the mobile phone can be increased.
According to the scheme IV, the first electrode and the second electrode are connected through the water-soluble insulating isolation layer to realize the short-circuit detector electrically connected with the power supply, and the water-soluble insulating isolation layer is conductive after water enters the short-circuit detector, so that the mobile phone waterproof device generates a short circuit, and power is cut off to supply power to equipment. The scheme tightly solves the problem of waterproof short circuit, and the probability of mainboard short circuit damage to a certain degree exists, and the mobile phone after water inlet can not be used continuously in a short time.
And a waterproof trigger circuit consisting of a sealed relay and a trigger switch arranged on the mobile phone shell is connected in parallel at two ends of a power supply arranged on the mobile phone shell. When the mobile phone is carelessly dropped into water, the trigger switch on the mobile phone shell is switched on when meeting water, so that a path is formed between the waterproof trigger circuit and the power supply, and the working circuit of the mobile phone is in a complete open circuit state. The scheme tightly solves the problem of waterproof short circuit, and the probability of mainboard short circuit damage to a certain degree exists, and the mobile phone after water inlet can not be used continuously in a short time.
Disclosure of Invention
The invention aims to provide a method, a device and a mobile terminal for preventing water inflow damage in a self-adaptive manner, and the mobile terminal is subjected to power-off protection when the danger of water inflow of the mobile terminal is sensed automatically.
The invention adopts the technical scheme that the method for preventing the water inlet damage in a self-adaptive manner comprises the following steps:
acquiring near water state information of the mobile terminal;
and judging whether the mobile terminal has water inlet danger or not according to the collected near water state information, and cutting off a power supply of a mainboard of the mobile terminal when the mobile terminal is judged to have the water inlet danger.
Further, the near water state information includes:
the motion state change characteristics of the mobile terminal in a set near water stage; alternatively, the first and second electrodes may be,
the motion state of the mobile terminal and the distance between the mobile terminal and the water surface.
Further, as an optional technical solution, in the case that the near-water state information is a motion state change feature of the mobile terminal in a set stage of near-water, the acquiring the near-water state information of the mobile terminal includes:
recording the motion tracks of the mobile terminal passing through different distances with a set number from the water surface in an electromagnetic wave medium reflection mode or a frequency scanning mode, and recording the corresponding time use condition;
the judge according to the nearly water state information who gathers whether mobile terminal has into water danger includes:
and judging whether the mobile terminal falls into a set near water distance range and conforms to a set falling motion state or not according to the motion track and the time-consuming condition, and if so, judging that the water inlet danger exists.
Further, as another optional technical solution, in a case that the near water state information includes a motion state of the mobile terminal and a distance between the mobile terminal and a water surface, the acquiring the near water state information of the mobile terminal includes:
acquiring the motion state of the mobile terminal through an acceleration sensor and/or an angular velocity sensor, and acquiring the distance between the mobile terminal and the water surface through an electromagnetic wave medium reflection mode or a frequency receiving scanning mode;
the judge according to the nearly water state information who gathers whether mobile terminal has into water danger includes:
the following two aspects of judgment are respectively carried out: judging whether the mobile terminal is in accordance with the set falling motion state according to the collected motion state, and judging whether the mobile terminal falls into a set near water distance range according to the collected distance between the mobile terminal and the water surface;
and if the judgment results of the two aspects are yes, judging that the water inlet danger exists.
Further, the method for reflecting the electromagnetic wave medium comprises the following steps: the mobile terminal sends out radio frequency signals through a radio frequency chip, and the distance between the mobile terminal and the water surface is determined according to the received standing wave reflection signal value;
the frequency scanning mode comprises the following steps: the mobile terminal sends out a radio frequency signal with a set frequency through the radio frequency chip, and the distance from the mobile terminal to the water surface is determined according to the acquired resonant frequency of the radio frequency signal with the set frequency.
Further, the method further comprises:
and after the power supply of the mainboard of the mobile terminal is cut off, the water removal treatment is carried out in the shell of the mobile terminal through a heating part, and the heating part is arranged in a waterproof sealing ring on the mainboard.
Further, the method further comprises:
when the dewatering treatment is carried out, the drying degree of the mainboard of the mobile terminal is detected, and if the drying degree of the mainboard reaches the set condition, the following steps are carried out:
and prompting a user that the mainboard of the mobile terminal can be powered on to work, or automatically recovering to supply power to the mainboard of the mobile terminal.
Further, the method further comprises:
prompting a user that the mobile terminal cannot be started up forcibly before receiving a water removal instruction, and performing water removal treatment in the mobile terminal shell through a heating component when receiving the water removal instruction;
the water removal instructions include: the instruction triggered by the set key or the instruction triggered when the mobile terminal is detected to be separated from the water body.
Further, the method further comprises:
the method comprises the steps of monitoring the humidity of the environment where the mobile terminal is located while collecting the near water state information of the mobile terminal, and cutting off a power supply of a main board of the mobile terminal if the humidity of the environment where the mobile terminal is located reaches a set humidity threshold value.
The invention also provides a device for preventing the damage of the inlet water in a self-adaptive way, which comprises:
the acquisition unit is used for acquiring the near water state information of the mobile terminal;
and the judging unit is used for judging whether the mobile terminal has water inlet danger or not according to the collected near water state information, and cutting off a power supply of a mainboard of the mobile terminal when the mobile terminal is judged to have the water inlet danger.
Further, the near water state information includes:
the motion state change characteristics of the mobile terminal in the set stage of the near water; alternatively, the first and second electrodes may be,
the motion state of the mobile terminal and the distance of the mobile terminal from the water.
Further, as an optional technical solution, in a case that the near-water state information is a motion state change feature of the mobile terminal in a set stage of near-water, the acquisition unit is configured to:
recording the motion tracks of the mobile terminal passing through different distances with a set number from the water surface in an electromagnetic wave medium reflection mode or a frequency scanning mode, and recording the corresponding time use condition;
the judging unit is used for:
and judging whether the mobile terminal falls into a set near water distance range and conforms to a set falling motion state or not according to the motion track and the time-consuming condition, and if so, judging that the water inlet danger exists.
Further, as another optional technical solution, in a case that the near water state information includes a motion state of the mobile terminal and a distance between the mobile terminal and water, the acquisition unit is configured to:
acquiring the motion state of the mobile terminal through an acceleration sensor and/or an angular velocity sensor, and acquiring the distance between the mobile terminal and the water surface through an electromagnetic wave medium reflection mode or a frequency receiving scanning mode;
the judging module is used for:
the following two aspects of judgment are respectively carried out: judging whether the mobile terminal is in accordance with the set falling motion state according to the collected motion state, and judging whether the mobile terminal falls into a set near water distance range according to the collected distance between the mobile terminal and the water surface;
and if the judgment results of the two aspects are yes, judging that the water inlet danger exists.
Further, the method for reflecting the electromagnetic wave medium comprises the following steps: the mobile terminal sends out radio frequency signals through a radio frequency chip, and the distance between the mobile terminal and the water surface is determined according to the received standing wave reflection signal value;
the frequency scanning mode comprises the following steps: the mobile terminal sends out a radio frequency signal with a set frequency through the radio frequency chip, and the distance from the mobile terminal to the water surface is determined according to the acquired resonant frequency of the radio frequency signal with the set frequency.
Further, the apparatus further includes:
and the dewatering processing unit is used for dewatering processing through a heating part in the shell of the mobile terminal after the power supply of the mainboard of the mobile terminal is cut off, and the heating part is arranged in the waterproof sealing ring on the mainboard.
Further, the apparatus further includes:
a detection processing unit, configured to detect a drying degree of a motherboard of the mobile terminal when the dewatering processing unit performs dewatering processing, and if the drying degree of the motherboard reaches a set condition: automatically restoring to supply power to a main board of the mobile terminal, or calling a prompt unit;
and the prompting unit is used for prompting a user that the mainboard of the mobile terminal can be electrified to work.
Further, the prompting unit is further configured to prompt the user that the device cannot be forcibly powered on before receiving the water removal instruction;
the mobile terminal comprises a mobile terminal shell, a water removal processing unit and a control unit, wherein the water removal processing unit is specifically used for performing water removal processing through a heating component in the mobile terminal shell when a water removal instruction is received after a power supply of a mainboard of the mobile terminal is cut off;
the water removal instructions include: the instruction triggered by the set key or the instruction triggered when the mobile terminal is detected to be separated from the water body.
Furthermore, the acquisition unit is also used for monitoring the humidity of the environment where the mobile terminal is located while acquiring the near water state information of the mobile terminal;
the judging unit is further used for judging whether the humidity of the environment where the mobile terminal is located reaches a set humidity threshold value, and when the humidity reaches the set humidity threshold value, the power supply of the main board of the mobile terminal is cut off.
The invention also provides a mobile terminal which comprises the device for preventing the damage caused by the water inflow in a self-adaptive mode.
By adopting the technical scheme, the invention at least has the following advantages:
the method, the device and the mobile terminal for adaptively preventing the water inlet damage realize multiple protection functions of water falling power failure and water removal recovery of the mobile terminal. The invention has comprehensive function design for preventing water inlet damage, can start the protection scheme from the beginning before water inlet, reduces the water inlet damage probability of the mobile terminal to the maximum extent, has a water inlet repair function, and can ensure that a user can finish the dry repair of the mobile terminal in a short time without entering a maintenance center. On the scientificity of design, the state detection function and the multiple distance detection functions are added, the power-off protection is prevented from being triggered by mistake as far as possible, and meanwhile, the signal indication function is added, so that the mobile terminal is prevented from being started by mistake.
Drawings
FIG. 1 is a flow chart of a method for adaptively preventing damage from water inflow according to a first embodiment of the present invention;
FIG. 2 is a flow chart of a method for adaptively preventing damage from water inflow according to a second embodiment of the present invention;
FIG. 3 is a flow chart of a method for adaptively preventing damage from water inflow according to a third embodiment of the present invention;
FIG. 4 is a flow chart of a method for adaptively preventing damage from water inflow according to a fourth embodiment of the present invention;
FIG. 5 is a schematic structural diagram of an apparatus for adaptively preventing damage due to water inflow according to a sixth embodiment of the present invention;
FIG. 6 is a schematic structural diagram of an apparatus for adaptively preventing damage due to water inflow according to a seventh embodiment of the present invention;
FIG. 7 is a schematic structural diagram of an apparatus for adaptively preventing damage due to water inflow according to an eighth embodiment of the present invention;
FIG. 8 is a block diagram of an apparatus for adaptively preventing damage due to inflow water according to a twelfth embodiment of the present invention;
fig. 9 is a schematic diagram of a process of adaptively preventing damage caused by water inflow according to a twelfth embodiment of the present invention.
Detailed Description
To further explain the technical means and effects of the present invention adopted to achieve the intended purpose, the present invention will be described in detail with reference to the accompanying drawings and preferred embodiments.
The first embodiment of the present invention, a method for adaptively preventing damage caused by water inflow, as shown in fig. 1, includes the following specific steps:
and step S101, acquiring the near water state information of the mobile terminal.
Specifically, the near water state information includes:
the motion state change characteristics of the mobile terminal in a set near water stage; alternatively, the first and second electrodes may be,
the motion state of the mobile terminal and the distance between the mobile terminal and the water surface.
And S102, judging whether the mobile terminal has water inlet danger or not according to the collected near water state information, and cutting off a power supply of a main board of the mobile terminal when the mobile terminal is judged to have the water inlet danger.
Further, 1) in the case that the near-water state information is a motion state change characteristic of the mobile terminal at a setting stage of near water, the step S101 specifically includes:
recording the motion tracks of the mobile terminal passing through different distances with a set number from the water surface in an electromagnetic wave medium reflection mode or a frequency scanning mode, and recording the corresponding time use condition;
in step S102, determining whether the mobile terminal has a water inlet risk according to the collected near-water state information includes:
and judging whether the mobile terminal falls into a set near water distance range and conforms to a set falling motion state or not according to the motion track and the time-consuming condition, and if so, judging that the water inlet danger exists.
2) In the case that the near water state information includes a motion state of the mobile terminal and a distance from the mobile terminal to the water surface, step S101 specifically includes:
acquiring the motion state of the mobile terminal through an acceleration sensor and/or an angular velocity sensor, and acquiring the distance between the mobile terminal and the water surface through an electromagnetic wave medium reflection mode or a frequency receiving scanning mode;
in step S102, determining whether the mobile terminal has a water inlet risk according to the collected near-water state information includes:
the following two aspects of judgment are respectively carried out: judging whether the mobile terminal is in accordance with the set falling motion state according to the collected motion state, and judging whether the mobile terminal falls into a set near water distance range according to the collected distance between the mobile terminal and the water surface;
and if the judgment results of the two aspects are yes, judging that the water inlet danger exists.
Further, in the above step, the electromagnetic wave medium is reflected by the method comprising: the mobile terminal sends out radio frequency signals through a radio frequency chip, and the distance between the mobile terminal and the water surface is determined according to the received standing wave reflection signal value;
the frequency scanning mode comprises the following steps: the mobile terminal sends out a radio frequency signal with a set frequency through the radio frequency chip, and the distance from the mobile terminal to the water surface is determined according to the acquired resonant frequency of the radio frequency signal with the set frequency.
A second embodiment of the present invention, a method for adaptively preventing damage caused by water inflow, is substantially the same as the first embodiment, except that, as shown in fig. 2, the method of this embodiment further includes the following steps after step S102:
and step S103-a, performing water removal treatment on the inside of the mobile terminal shell through a heating component which is arranged in a waterproof sealing ring on the mainboard.
A third embodiment of the present invention is a method for adaptively preventing damage caused by water inflow, which is substantially the same as the first embodiment, except that, as shown in fig. 3, the method of this embodiment further comprises the following specific steps after step S102:
step S103-b, prompting a user that the mobile terminal cannot be started up forcibly before receiving the water removal instruction, and performing water removal treatment in the mobile terminal shell through a heating component when receiving the water removal instruction; the heating component is arranged in a waterproof sealing ring on the main board;
the water removal instructions include: the instruction triggered by the set key or the instruction triggered when the mobile terminal is detected to be separated from the water body.
A fourth embodiment of the present invention is a method for adaptively preventing damage caused by water inflow, which is substantially the same as the first embodiment, except that, as shown in fig. 4, the method of this embodiment further comprises the following specific steps after step S102:
step S103-c, performing water removal treatment on the interior of the mobile terminal shell through a heating part, wherein the heating part is arranged in a waterproof sealing ring on a mainboard;
when the dewatering treatment is carried out, the drying degree of the mainboard of the mobile terminal is detected, and if the drying degree of the mainboard reaches the set condition, the following steps are carried out:
and prompting a user that the mainboard of the mobile terminal can be powered on to work, or automatically recovering to supply power to the mainboard of the mobile terminal.
A fifth embodiment of the present invention is a method for adaptively preventing damage caused by water inflow, which is substantially the same as the first embodiment, except that the method of the present embodiment further comprises the following specific steps:
the method comprises the steps of monitoring the humidity of the environment where the mobile terminal is located while collecting the near water state information of the mobile terminal, and cutting off a power supply of a main board of the mobile terminal if the humidity of the environment where the mobile terminal is located reaches a set humidity threshold value.
The purpose of designing this embodiment is to increase the technical scheme who monitors to the environmental aspect that mobile terminal is located to avoid leading to the mobile terminal mainboard to take place the short circuit because of the humidity in the environment is too big, whether the initiative carries out effectual protection to mobile terminal from the angle that whether ambient humidity suits mobile terminal operation, promotes mobile terminal's safety in utilization.
A sixth embodiment of the present invention, which corresponds to the first embodiment, is an adaptive device for preventing damage caused by water inflow, as shown in fig. 5, and includes the following components:
1) the acquisition unit 501 is used for acquiring the near water state information of the mobile terminal;
specifically, the near water state information includes:
the motion state change characteristics of the mobile terminal in the set stage of the near water; alternatively, the first and second electrodes may be,
the motion state of the mobile terminal and the distance of the mobile terminal from the water.
2) And the judging unit 502 is used for judging whether the mobile terminal has water inlet danger according to the collected near water state information, and cutting off a power supply of a mainboard of the mobile terminal when the mobile terminal is judged to have the water inlet danger.
Further, in the case that the near water state information is a motion state change characteristic of the mobile terminal in a set stage of near water, the acquisition unit 501 is configured to:
recording the motion tracks of the mobile terminal passing through different distances with a set number from the water surface in an electromagnetic wave medium reflection mode or a frequency scanning mode, and recording the corresponding time use condition;
the determining unit 502 is configured to:
and judging whether the mobile terminal falls into a set near water distance range and conforms to a set falling motion state or not according to the motion track and the time-consuming condition, and if so, judging that the water inlet danger exists.
Under the condition that the near water state information includes the motion state of the mobile terminal and the distance from the mobile terminal to the water, the collecting unit 501 is configured to:
acquiring the motion state of the mobile terminal through an acceleration sensor and/or an angular velocity sensor, and acquiring the distance between the mobile terminal and the water surface through an electromagnetic wave medium reflection mode or a frequency receiving scanning mode;
the determining unit 502 is configured to:
the following two aspects of judgment are respectively carried out: judging whether the mobile terminal is in accordance with the set falling motion state according to the collected motion state, and judging whether the mobile terminal falls into a set near water distance range according to the collected distance between the mobile terminal and the water surface;
and if the judgment results of the two aspects are yes, judging that the water inlet danger exists.
Furthermore, the electromagnetic wave medium reflection mode comprises: the mobile terminal sends out radio frequency signals through a radio frequency chip, and the distance between the mobile terminal and the water surface is determined according to the received standing wave reflection signal value;
the frequency scanning mode comprises the following steps: the mobile terminal sends out a radio frequency signal with a set frequency through the radio frequency chip, and the distance from the mobile terminal to the water surface is determined according to the acquired resonant frequency of the radio frequency signal with the set frequency.
A seventh embodiment of the present invention is an adaptive device for preventing damage caused by water inflow, which is substantially the same as the sixth embodiment except that, as shown in fig. 6, the device of the present embodiment further includes the following components:
a water removal processing unit 503, configured to perform water removal processing inside the mobile terminal housing through a heat generating component disposed in a waterproof sealing ring on the motherboard after the determining unit 502 cuts off the power supply of the motherboard of the mobile terminal.
An eighth embodiment of the present invention is an adaptive device for preventing damage caused by water inflow, which is substantially the same as the sixth embodiment except that, as shown in fig. 7, the device of the present embodiment further includes the following components:
a water removal processing unit 503, configured to perform water removal processing inside the mobile terminal housing through a heat generating component disposed in a waterproof sealing ring on the motherboard after the determining unit 502 cuts off the power supply of the motherboard of the mobile terminal.
A detection processing unit 504, configured to detect a drying degree of a motherboard of the mobile terminal when the dewatering processing unit 503 performs the dewatering processing, and if the drying degree of the motherboard reaches a set condition: automatically recovering to supply power to the main board of the mobile terminal, or calling a prompt unit 505;
and a prompting unit 505, configured to prompt a user that a motherboard of the mobile terminal may be powered on to operate.
A ninth embodiment of the present invention is an adaptive device for preventing damage due to water inflow, which is substantially the same as the eighth embodiment except that:
a prompt unit 505, configured to prompt the user that the computer cannot be forcibly powered on before the water removal instruction is received;
a water removal processing unit 503, specifically configured to perform water removal processing on the inside of the mobile terminal housing through a heat generating component when receiving a water removal command after the power supply of the main board of the mobile terminal is cut off;
the water removal instructions include: the instruction triggered by the set key or the instruction triggered when the mobile terminal is detected to be separated from the water body.
A tenth embodiment of the present invention is an adaptive device for preventing damage due to water inflow, which is substantially the same as the sixth embodiment except that:
the acquisition unit 501 is further configured to monitor the humidity of the environment where the mobile terminal is located while acquiring the near-water state information of the mobile terminal;
the determining unit 502 is further configured to cut off a power supply of a main board of the mobile terminal if the humidity of the environment where the mobile terminal is located reaches a set humidity threshold.
An eleventh embodiment of the present invention, a mobile terminal, can be understood as a physical device, and includes the adaptive device for preventing damage caused by water inflow according to the sixth, seventh, eighth, ninth, or tenth embodiments.
A twelfth embodiment of the present invention is an application example of the present invention, which is described with reference to fig. 8 to 9 on the basis of the above embodiments.
Fig. 8 is a block diagram of an apparatus for adaptively preventing damage due to inflow water according to an embodiment of the present invention, which may be applied to a cellular phone, as shown in fig. 8, and which includes: an application scenario setting module L1, a near water detection module L2 (similar to the function of the acquisition unit in the sixth embodiment), a false triggering diagnosis module L3 (similar to the logical judgment function of the judgment unit in the sixth embodiment), a power-off protection module L4 (similar to the function of the judgment unit in the sixth embodiment for triggering power-off processing), a water removal processing module L5 (similar to the water removal processing unit in the seventh embodiment), a repair detection module L6 (similar to the function of the detection processing unit in the eighth embodiment), a signal prompt module L7 (similar to the function of the prompt unit in the eighth and ninth embodiments), a wireless chip module L8, and a mobile phone antenna module L9.
The process of adaptively preventing the damage of the water inflow of the above-mentioned apparatus will be described in detail with reference to fig. 8 and 9.
The application scenario setting module L1 is connected to the near water detection module L2 and the false trigger diagnosis module L3, and the scenario setting module L1 is used for a user to set an application scenario of a current mobile phone, and includes: the waterproof mode is turned on or off, and the use scene setting in a special environment is carried out. The application scene setting module L1 is set through a mobile phone built-in UI setting interface, and the waterproof mode is turned on and off by setting shortcut icons and options on the mobile phone setting interface or the homepage pull-down interface, and the user can set a specific mode according to the needs of the environment where the user is located, such as an adaptive environment detection mode, a rainy day mode, a near water mode, a hot spring mode, and the like. After the application scene mode is set, the near water detection module L2 and the false triggering diagnosis module L3 can be adaptively opened or closed according to the current scene setting to complete the automatic opening action, meanwhile, corresponding detection parameters and modes can be called according to the current scene, the detection modes and parameters can be called according to the detailed scene, the near water detection module L2 can call different near water parameters to distinguish the dosages of different water contents, meanwhile, parameter correction and judgment of the false triggering diagnosis module L3 can be more accurate, and abnormal waterproof shutdown caused by false triggering is prevented.
And the near water detection module L2 is connected with the wireless chip module L8, and the near water detection module L2 is used for detecting whether the mobile phone is close to or in contact with a water body. When the mobile phone is in a near water environment, if the mobile phone is detected to be in a set motion state, for example: when the mobile phone is in an abnormal falling or rolling state, the near water detection module L2 starts a near water detection mode to detect the distance between the mobile phone and the water surface.
The state detection function in the near water detection module L2 comprises an acceleration sensor and an angular velocity sensor in the mobile phone, when the mobile phone falls abnormally, the near water detection module L2 can collect the values of the sensors in real time, and when the acceleration has a free falling value or the angular velocity has a multiple rolling rotation value, the distance detection function in the near water detection module can be in an activated state to make a first-step waterproof prejudgment action.
The distance detection function in the near water detection module is realized by an electromagnetic wave medium reflection circuit built in the mobile phone, and is specifically realized by a wireless signal generation circuit, a radio frequency transmitting and receiving circuit, an antenna module and a standing wave detection circuit in the terminal. If the waterproof mode of the mobile phone is activated, the wireless chip module, such as the WIFI chip module, is turned on to generate a frequently-occurring wireless radio frequency signal, after the radio frequency signal is emitted through the WIFI radio frequency front-end circuit and the WIFI antenna, if a specific medium is encountered, a standing wave reflection signal is generated, standing wave reflection signal values at different distances are different, an effective standing wave reflection signal value is collected and compared with a model value of an aqueous medium in a memory, if a test value is consistent with the model value, the mobile phone is indicated to reach a corresponding position close to the water surface, the false triggering diagnosis module L3 is immediately informed, and the false triggering diagnosis module L3 performs comprehensive judgment and then starts the power-off protection module L4 to perform power-off operation.
Meanwhile, after the electromagnetic wave approaches the water body, the resonant frequencies at different distances are different, when a wireless signal in the mobile phone is transmitted out at a fixed frequency through the wireless transceiver chip and is reflected by the water body, corresponding harmonic frequencies are generated, therefore, the distance detection function in the near water detection module can also scan one or more groups of harmonic frequency values of the nearest water body through a frequency receiving and scanning circuit newly added in the mobile phone, and compare the harmonic frequency values with the resonant frequency values of standard water media at known distances stored in the mobile phone, if the approaching water media are indicated in the threshold range, the false trigger diagnosis module L3 can be further informed, and the power failure protection module is started to perform power failure operation after the false trigger diagnosis module L3 performs comprehensive judgment.
And the false triggering diagnosis module L3 is connected with the application scene setting module L1, the near water detection module L2 and the power-off protection module L4 and is used for judging whether the mobile phone needs to enter a power-off protection mode. Because the mobile phone has a plurality of water-approaching modes and different water-contacting dosages, in actual use, the current use environment and the water inlet value of the mobile phone need to be further judged so as to prevent the water-proof power-off protection circuit from being triggered by mistake.
The false triggering diagnosis module L3 is composed of a state monitoring unit (similar to the function of the judgment unit in the sixth embodiment) for detecting whether the mobile phone is in a state of being normally close to the water body, and a dose monitoring unit (similar to the monitoring function of the acquisition unit in the tenth embodiment) for detecting the content of the water medium contacted by the mobile phone. If the current mobile phone is in a relatively fixed position in a near water state and is not in a physical state of free falling or rolling, corresponding waterproof operation cannot be started even if the near water detection module detects the existence of the water medium. Similarly, if the mobile phone is detected to be in the current scene modes of rainy days, foggy days, humid air and the like, whether the waterproof protection operation needs to be triggered or not is determined according to the current water humidity dosage.
And the power-off protection module L4 is connected with the false triggering diagnosis module L3 and the signal prompt module L7 and is used for power-off protection of a non-waterproof circuit after the mobile phone is in near water or meets water so as to prevent short circuit or damage of the mobile phone. The power-off protection module L4 and the mobile phone battery connector are arranged in the mobile phone waterproof sealing ring, and can work normally before and after the water enters the mobile phone. The power-off protection module L4 detects an enabling signal transmitted by the false trigger diagnosis module L3, and immediately cuts off a main power supply of the mobile phone mainboard through a switch when the waterproof protection operation needs to be started, and only a signal prompt power supply is reserved for supplying power to the red and green LEDs of the mobile phone signal prompt module. After the user takes the mobile phone out of the water, the current state of the mobile phone is judged to be not suitable for being started by force according to the light color of the signal prompt module, and at the moment, the user can press a certain side key or a photographing key of the mobile phone for a long time to inform the power-off protection module that the mobile phone is taken out of the water, so that subsequent processing can be carried out. When the power-off protection module L4 receives that the mobile phone has taken out water and confirms that the water removal treatment can be carried out, the power supply of the water removal circuit is turned on through the switch until the water removal of the mobile phone is completed, the repair detection module L6 detects that the prompt is normal, the power is supplied to the signal prompt module, the user is prompted through the green light signal, and the mobile phone can be normally started to use.
And the water removal processing module L5 is connected with the power-off protection module L4 and the repair detection module L6 and is used for water removal processing and drying after water enters the mobile phone. After the water removal command is received by the water removal processing module L5, the power supply is obtained from the power-off protection module L4 to start the water removal operation. The water removal processing module L5 is located in the water seal ring of the mobile phone, is conducted to generate heat through a high-power thermal conductivity resistor, and is connected with a large-area copper-exposed grounding protection circuit of the mainboard to heat the mainboard until water is completely evaporated.
And the repair detection module L6 is connected with the water removal processing module L5 and the signal prompt module L7 and is used for safety detection after water removal of the mobile phone. Since the dielectric constant of water is different from other substances and generally much higher than other substances, the dielectric constant of the water-containing main board is much higher, and the dielectric constant changes along with the change of the resonant frequency, and tests show that the lower the water content of the surface of the main board, the larger the resonant frequency. The dielectric constant of the dry board is known and is generally about 4, and the fluctuation along with the frequency is small. The dielectric constant of water is about 80, and the more the water content of the main board is, the larger the overall dielectric constant is. Therefore, the repair detection module L6 can determine whether the main board of the mobile phone is in a fully dry state by detecting the current dielectric constant or the current resonant frequency of the main board. If the detection is qualified, indicating that the water removal is finished, sending an enabling signal to the signal prompt module L7, and the user sees that the green light of the signal indication module is on, knows that the repair is finished, and can normally start the machine for use. If the detection fails, indicating that the water removal is required to be continued, the water removal processing module L5 receives the instruction to continue the operation, and at the same time, the repair detection module L6 detects in real time until the detection is qualified, and notifies the water removal processing module L5 to stop the operation.
And the signal prompting module L7 is connected with the power-off protection module L4 and the repair detection module L6 and is used for entering a power-off protection mode after the mobile phone enters water and reminding a user of not needing to forcibly start or test, wherein the signal prompting module is prompted by a red light. Meanwhile, after the repair detection module L6 completes the water removal repair and passes the inspection, the user is prompted to start the machine normally and use, and a green light is used here for prompting.
And the wireless chip module L8 is connected with the mobile phone antenna module L9 and used for transmitting and receiving wireless signals, modulating and demodulating the transmitted and received signals and assisting the anti-proximity detection module to complete wireless proximity detection. The module can be composed of a WIFI chip and a radio frequency front-end circuit in a user terminal, and a wireless chip module on the user equipment is responsible for generating and receiving wireless signals in a waterproof detection mode.
And the mobile phone antenna module L9 is connected with the wireless chip module L8 and is used for antenna transmission of wireless signals and reception of reflected signals.
As shown in fig. 9, the adaptive process for preventing damage caused by water inflow according to the embodiment of the present invention includes the following steps:
step 301: a mobile phone user sets a waterproof application scene mode required by the current mobile phone through a UI (user interface);
step 302: the near water detection module detects the current state of the mobile phone and further detects whether the mobile phone is close to a water body;
step 303: the false triggering diagnosis module judges whether power-off protection operation is needed currently or not through the state monitoring unit and the dosage monitoring unit, and if so, a waterproof instruction is sent to the power-off protection module to trigger the power-off protection module to work;
step 304: the power-off protection module receives the waterproof instruction, immediately cuts off a power supply of the mobile phone mainboard through a switch, and only reserves a signal prompt power supply to supply power to the red and green LEDs of the signal prompt module;
step 305: when a user takes the mobile phone out of water, the user informs the power-off protection module of the fact that the mobile phone is taken out of the water through a key and confirms that water removal treatment can be carried out, and then the power-off protection module sends a water removal instruction to the water removal treatment module;
step 306: after receiving the water removal instruction, the water removal processing module starts water removal operation;
step 307: the repair detection module detects the current drying state and the repair state of the mainboard;
step 308: if the detection result is qualified, indicating that the water removal is finished, sending an enabling signal to the signal prompting module, and enabling a user to see that the signal prompting module is on to know that the repair is finished and the system can be normally started for use;
step 309: if the detection result is not qualified, indicating that water removal needs to be continued, and continuing the operation of the water removal treatment module;
step 310: the repair detection module stops detection through real-time detection until the dewatering is qualified, informs the dewatering treatment module to stop working, and informs a user of normal use through the lighting of the green light.
The embodiment of the invention can detect the existence of water and the distance between the water and the water surface before the mobile phone falls into the water, so as to timely turn off the power supply of the mobile phone mainboard, thereby playing the protection role before falling into the water. The pre-protection method can reduce the possibility of water inlet damage of the mobile phone to the maximum extent without increasing the peripheral cost too much. The double monitoring of the state of the mobile phone and the distance between the mobile phone and the water surface is realized through a near water detection module in the mobile phone, so that whether the mobile phone is abnormally close to the water body or not is realized.
Secondly, after the mobile phone enters water, the power-off protection module is triggered by the false trigger diagnosis module to close an important circuit possibly damaged by short circuit in the mobile phone, such as a power supply of a mainboard, so that the mobile phone mainboard and a battery are protected.
When the mobile phone is dried and the power supply to the mainboard needs to be recovered, the mobile phone enters the recyclable repair detection module, and when the dryness degree in the mobile phone reaches the set condition, the power supply to the mainboard circuit is detected.
The method, the device and the mobile terminal for adaptively preventing the water inflow damage aim to ensure the safe use and protection of the mobile terminal in various environments close to water or in water inflow, prevent a mainboard circuit from being damaged after the mobile terminal enters water, and automatically remove the water until the mobile terminal is recovered to a normal usable state.
The embodiment of the invention realizes multiple protection functions of power failure and water removal recovery when the mobile terminal falls into water. The embodiment of the invention has comprehensive function design for preventing water inlet damage, can start the protection scheme from before water inlet, reduces the water inlet damage probability of the mobile terminal to the maximum extent, has a water inlet repair function, and can enable a user to finish the dry repair of the mobile terminal in a short time without entering a maintenance center. On the scientificity of design, the state detection function and the multiple distance detection functions are added, the power-off protection is prevented from being triggered by mistake as far as possible, and meanwhile, the signal indication function is added, so that the mobile terminal is prevented from being started by mistake.
While the invention has been described in connection with specific embodiments thereof, it is to be understood that it is intended by the appended drawings and description that the invention may be embodied in other specific forms without departing from the spirit or scope of the invention.

Claims (15)

1. A method for adaptively preventing influent damage, comprising:
acquiring near water state information of the mobile terminal;
judging whether the mobile terminal has water inlet danger or not according to the collected near water state information, and cutting off a power supply of a main board of the mobile terminal when the mobile terminal is judged to have the water inlet danger;
under the condition that the near water state information is the motion state change characteristic of the mobile terminal in the set stage of near water, the acquiring of the near water state information of the mobile terminal comprises the following steps:
recording the motion tracks of the mobile terminal passing through different distances with a set number from the water surface in an electromagnetic wave medium reflection mode or a frequency scanning mode, and recording the corresponding time use condition;
the judge according to the nearly water state information who gathers whether mobile terminal has into water danger includes:
and judging whether the mobile terminal falls into a set near water distance range and conforms to a set falling motion state or not according to the motion track and the time-consuming condition, and if so, judging that the water inlet danger exists.
2. The adaptive method for preventing damage caused by water inflow according to claim 1, wherein in the case that the near water state information includes a motion state of a mobile terminal and a distance between the mobile terminal and a water surface, the acquiring the near water state information of the mobile terminal comprises:
acquiring the motion state of the mobile terminal through an acceleration sensor and/or an angular velocity sensor, and acquiring the distance between the mobile terminal and the water surface through an electromagnetic wave medium reflection mode or a frequency receiving scanning mode;
the judge according to the nearly water state information who gathers whether mobile terminal has into water danger includes:
the following two aspects of judgment are respectively carried out: judging whether the mobile terminal is in accordance with the set falling motion state according to the collected motion state, and judging whether the mobile terminal falls into a set near water distance range according to the collected distance between the mobile terminal and the water surface;
and if the judgment results of the two aspects are yes, judging that the water inlet danger exists.
3. The adaptive method for preventing damage caused by water inflow according to claim 1 or 2, wherein the electromagnetic wave medium is reflected by a method comprising: the mobile terminal sends out radio frequency signals through a radio frequency chip, and the distance between the mobile terminal and the water surface is determined according to the received standing wave reflection signal value;
a manner of frequency scanning, comprising: the mobile terminal sends out a radio frequency signal with a set frequency through the radio frequency chip, and the distance from the mobile terminal to the water surface is determined according to the acquired resonant frequency of the radio frequency signal with the set frequency.
4. The adaptive incoming water damage prevention method of claim 1, further comprising:
and after the power supply of the mainboard of the mobile terminal is cut off, the water removal treatment is carried out in the shell of the mobile terminal through a heating part, and the heating part is arranged in a waterproof sealing ring on the mainboard.
5. The adaptive incoming water damage prevention method of claim 4, further comprising:
when the dewatering treatment is carried out, the drying degree of the mainboard of the mobile terminal is detected, and if the drying degree of the mainboard reaches the set condition, the following steps are carried out:
and prompting a user that the mainboard of the mobile terminal can be powered on to work, or automatically recovering to supply power to the mainboard of the mobile terminal.
6. The adaptive incoming water damage prevention method of claim 1, further comprising:
after the power supply of the main board of the mobile terminal is cut off and before a water removal instruction is received, prompting a user that the mobile terminal cannot be started up forcibly, and when the water removal instruction is received, performing water removal treatment in the shell of the mobile terminal through a heating component; the heating component is arranged in a waterproof sealing ring on the main board;
the water removal instructions include: the instruction triggered by the set key or the instruction triggered when the mobile terminal is detected to be separated from the water body.
7. The adaptive incoming water damage prevention method of claim 1, further comprising:
the method comprises the steps of monitoring the humidity of the environment where the mobile terminal is located while collecting the near water state information of the mobile terminal, and cutting off a power supply of a main board of the mobile terminal if the humidity of the environment where the mobile terminal is located reaches a set humidity threshold value.
8. An adaptive water damage prevention apparatus, comprising:
the acquisition unit is used for acquiring the near water state information of the mobile terminal;
the judging unit is used for judging whether the mobile terminal has water inlet danger or not according to the collected near water state information, and cutting off a power supply of a main board of the mobile terminal when the mobile terminal is judged to have the water inlet danger;
under the condition that the near water state information is the motion state change characteristic of the mobile terminal in the set near water stage, the acquisition unit is used for:
recording the motion tracks of the mobile terminal passing through different distances with a set number from the water surface in an electromagnetic wave medium reflection mode or a frequency scanning mode, and recording the corresponding time use condition;
the judging unit is used for:
and judging whether the mobile terminal falls into a set near water distance range and conforms to a set falling motion state or not according to the motion track and the time-consuming condition, and if so, judging that the water inlet danger exists.
9. The adaptive inflow water damage prevention device according to claim 8, wherein in the case that the near water state information includes a motion state of the mobile terminal and a distance from the mobile terminal to water, the acquisition unit is configured to:
acquiring the motion state of the mobile terminal through an acceleration sensor and/or an angular velocity sensor, and acquiring the distance between the mobile terminal and the water surface through an electromagnetic wave medium reflection mode or a frequency receiving scanning mode;
the judging unit is used for:
the following two aspects of judgment are respectively carried out: judging whether the mobile terminal is in accordance with the set falling motion state according to the collected motion state, and judging whether the mobile terminal falls into a set near water distance range according to the collected distance between the mobile terminal and the water surface;
and if the judgment results of the two aspects are yes, judging that the water inlet danger exists.
10. The adaptive water damage prevention device according to claim 8 or 9, wherein the electromagnetic wave medium is reflected by a method comprising: the mobile terminal sends out radio frequency signals through a radio frequency chip, and the distance between the mobile terminal and the water surface is determined according to the received standing wave reflection signal value;
a manner of frequency scanning, comprising: the mobile terminal sends out a radio frequency signal with a set frequency through the radio frequency chip, and the distance from the mobile terminal to the water surface is determined according to the acquired resonant frequency of the radio frequency signal with the set frequency.
11. The adaptive water damage prevention device of claim 8, further comprising:
and the dewatering processing unit is used for dewatering processing through a heating part in the shell of the mobile terminal after the power supply of the mainboard of the mobile terminal is cut off, and the heating part is arranged in the waterproof sealing ring on the mainboard.
12. The adaptive water damage prevention device of claim 11, further comprising:
a detection processing unit, configured to detect a drying degree of a motherboard of the mobile terminal when the dewatering processing unit performs dewatering processing, and if the drying degree of the motherboard reaches a set condition: automatically restoring to supply power to a main board of the mobile terminal, or calling a prompt unit;
and the prompting unit is used for prompting a user that the mainboard of the mobile terminal can be electrified to work.
13. The adaptive water damage prevention device according to claim 12, wherein the prompting unit is further configured to prompt a user that the device cannot be forcibly powered on before receiving the water removal command;
the mobile terminal comprises a mobile terminal shell, a water removal processing unit and a control unit, wherein the water removal processing unit is specifically used for performing water removal processing through a heating component in the mobile terminal shell when a water removal instruction is received after a power supply of a mainboard of the mobile terminal is cut off;
the water removal instructions include: the instruction triggered by the set key or the instruction triggered when the mobile terminal is detected to be separated from the water body.
14. The adaptive inflow water damage prevention device according to claim 8, wherein the collection unit is further configured to monitor humidity of an environment in which the mobile terminal is located while collecting the near-water state information of the mobile terminal;
the judging unit is further used for judging whether the humidity of the environment where the mobile terminal is located reaches a set humidity threshold value, and when the humidity reaches the set humidity threshold value, the power supply of the main board of the mobile terminal is cut off.
15. A mobile terminal, characterized in that it comprises an adaptive water damage prevention device according to any one of claims 8 to 14.
CN201610116355.6A 2016-03-01 2016-03-01 Method and device for adaptively preventing water inflow damage and mobile terminal Active CN107147771B (en)

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