CN111309130A

CN111309130A - Mobile terminal and method for realizing water inlet protection

Info

Publication number: CN111309130A
Application number: CN202010105243.7A
Authority: CN
Inventors: 李庚�; 倪龙宇
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2020-02-20
Filing date: 2020-02-20
Publication date: 2020-06-19
Anticipated expiration: 2040-02-20
Also published as: CN111309130B

Abstract

The embodiment of the invention provides a mobile terminal and a method for realizing water inlet protection, wherein the mobile terminal comprises a shell, a mainboard and a battery, and the mobile terminal also comprises: the water-encountering detection device is arranged at the position of the opening of the shell and is used for generating a water inlet induction signal after inducing that water enters the shell; the control unit is used for generating a water inlet log according to the water inlet induction signal and controlling the first switch to be physically disconnected so as to cut off the power supply of the main board by the battery; the information recorded by the water inlet log comprises identification information of the water-encountering detection device. The mobile terminal can realize water inlet open circuit protection and is low in maintenance cost.

Description

Mobile terminal and method for realizing water inlet protection

Technical Field

The application relates to the technical field of mobile terminal waterproofing, in particular to a mobile terminal and a method for realizing water inlet protection.

Background

Mobile terminals, such as mobile phones, are used as portable handheld devices, and are required to have basic protection measures against falling, pressure, water, dust, and the like. At present, the mobile phone has special test requirements and indexes for drop resistance, compression resistance, dust prevention and the like, and the special test requirements and indexes are already used as basic quality specifications of the mobile phone, but for the waterproof point, the cost is very high, so that a good waterproof effect cannot be achieved for common middle and low-end mobile phones. For mobile electric appliances powered by batteries, such as mobile phones, once water enters, the whole mobile electric appliances are basically scrapped, and because an internal circuit board is easy to generate short circuit, an important chip is burnt out.

Under the general condition, judge whether there is the water intake through waterproof test paper, its principle is that waterproof test paper can turn red when meeting water, the advantage is with low costs, the shortcoming is only can be used for judging whether to intake, unable protection cell-phone key device is not harmd through the outage, based on the aforesaid, a scheme of cutting off the circuit through the short circuit that intakes that utilizes the circuit is provided again among the prior art, can realize the short circuit of intaking, thereby control terminal equipment outage, but because different liquid conducting capacity is different, can influence the effect of short circuit, and simultaneously, protection circuit's electric capacity punctures the back, cost of maintenance is high, the user is difficult to repair by oneself, therefore, need to provide one kind and can realize the scheme that open circuit protection and cost of maintenance are low urgently.

Disclosure of Invention

The embodiment of the application provides a mobile terminal and a method for realizing water inlet protection, which can realize water inlet open circuit protection of the mobile terminal and have low maintenance cost.

In a first aspect, an embodiment of the present application provides a mobile terminal for implementing water inlet protection, including a housing, a motherboard, and a battery, where the mobile terminal further includes:

the first switch is connected between the battery and the mainboard;

the water-encountering detection device is arranged at the position of the opening of the shell and used for generating a water inlet induction signal after inducing that water enters the shell; and

the control unit is used for generating a water inlet log according to the water inlet induction signal and controlling the first switch to be physically disconnected so as to cut off the power supply of the battery to the mainboard; wherein, the information recorded by the water inlet log comprises the identification information of the water-detecting device.

It can be understood that in the embodiment of the invention, the water-encountering detection device is arranged at the position of the opening of the shell to detect the waterproof weak point of the terminal equipment and prevent misjudgment of water splashing, the physical power-off is realized by arranging the water inlet protection circuit, effective protection is provided when the mobile phone falls into water, meanwhile, the physical power-off is convenient to repair automatically, and the circuit-breaking protection scheme with low maintenance cost is realized.

Specifically, in practical applications, the water detecting device is electrically connected to a battery, the battery provides power, and the water detecting device may be a humidity-sensitive capacitor, for example. The humidity-sensitive capacitor is arranged at the position of a charging hole in the inner cavity of the shell, one end of the humidity-sensitive capacitor is connected with one electrode of the battery, and the other end of the humidity-sensitive capacitor is connected with the other electrode of the battery through the control unit; the first switch is connected between one electrode of the battery and the mainboard and used for controlling the battery to supply power to the mainboard.

After the mobile terminal intakes water, the humidity-sensitive capacitor generates capacitance change when encountering water, so that an intake induction signal is generated and sent to the control unit, and the control unit controls the physical disconnection of the first switch according to the intake induction signal, so that the power supply of the mainboard is disconnected by the battery.

In an embodiment of the present invention, the first switch may be a relay, and includes a coil portion, a contact portion, and an armature, when water enters the mobile terminal, the moisture-sensitive capacitor generates a capacitance change when the moisture-sensitive capacitor encounters water, so as to generate a water inlet induction signal to the control unit, the control unit controls the coil portion of the first switch to generate an electromagnetic force, and the electromagnetic force attracts the armature, so that the first contact and the second contact in the contact portion are disconnected, thereby controlling the opening of the path between the battery and the main board. In other embodiments of the present invention, the first switch may be specifically an electromagnetic relay, and in other embodiments of the present invention, the first switch may also be a contactor, a circuit breaker, and the like, and as long as an electronic switch capable of physically disconnecting a circuit under the control of the control unit may be the first switch, which is not limited in the present invention.

With reference to the first aspect, in a possible implementation manner, the mobile terminal further includes a power key disposed on the housing, and after the first switch is physically disconnected, the first switch and the power key form a linkage connection, and the first switch can be physically closed by pressing the power key.

Specifically, the linkage connection may be direct physical contact or indirect physical connection, for example, in the embodiment of the present invention, a linkage rod is provided, the linkage rod is connected to the power key, when the first switch is physically disconnected, the first switch is physically contacted to the linkage rod, and when the power key is pressed, the linkage rod can be used to press the first switch in a linkage manner, so that the first switch is physically closed. Specifically, the first switch comprises a coil part, a contact part, an armature and the like, when the first switch is physically disconnected, the armature is physically contacted with the linkage rod, and when the power key is pressed, the armature can be pressed through linkage of the linkage rod, so that the armature is contacted with the first contact and the second contact in the contact part, and the first switch is closed. It can be understood that the power key is arranged to be in linkage connection with the disconnected first switch, so that a user can reset manually after the terminal equipment is dried, a maintenance point does not need to be run, and the terminal equipment drying device is simple, convenient and high in practicability.

With reference to the first aspect, in a feasible implementation manner, a reset hole is formed in the housing, and after the first switch is physically disconnected, the first switch can be physically closed after the plunger pin is inserted into the reset hole and is in physical contact with the first switch.

In particular, the opening of the housing comprises a microphone opening and/or a loudspeaker opening and/or an earphone opening and/or a charging opening.

With reference to the first aspect, in a possible implementation manner, the information recorded by the water intake log further includes: current location information and/or current time information of the mobile terminal.

Specifically, the time for the control unit to generate the water inlet log may be before or after, preferably before, the control unit controls the first switch to be physically disconnected, that is, after the control unit receives the water inlet sensing signal of the water-encountering detection device, the water inlet log is generated first, and then the first switch is controlled to be physically disconnected, so as to cut off the power supply of the battery to the main board, where the information recorded by the water inlet log may include, but is not limited to: and the identification information of the water-detecting device and/or the current position information and/or the current time information of the mobile terminal. Wherein, mobile terminal's current position information for example GPS (Global positioning system) information, wherein, the identification information who meets the water detection device can be for meeting the identification information of water detection device, promptly when which one or more meet the water detection device and induced the inside induction signal that intakes of shell after intake, just note the identification information who meets the water detection device or more to the position of mobile terminal intake records each time, with the fault diagnosis of supplementary subsequent maintenance work and mobile terminal self, solve the dispute for the end.

In a second aspect, an embodiment of the present application provides a method for implementing water inlet protection, which is applied to a mobile terminal, where the mobile terminal includes a housing, a main board, and a battery, the mobile terminal further includes a water detecting device, a control unit, and a first switch, the water detecting device is disposed at a position of an opening of the housing, and the method includes:

the water-encountering detection device generates a water inlet induction signal after inducing water inlet in the shell;

the control unit generates a water inlet log according to the water inlet induction signal and controls the first switch to be physically disconnected, so that the battery is cut off to supply power to the mainboard; wherein, the information recorded by the water inlet log comprises the identification information of the water-detecting device.

With reference to the second aspect, in a possible implementation manner, the mobile terminal further includes a power key disposed on the housing, and after the first switch is physically disconnected, the first switch and the power key form a linkage connection; the method further comprises the following steps: and pressing the power key to physically close the first switch.

With reference to the second aspect, in a possible implementation manner, the housing is provided with a reset hole, and the method further includes:

when the first switch is physically disconnected, the first switch can be physically closed after the cork pulling needle is inserted into the reset hole to be in physical contact with the first switch.

In combination with the second aspect, in one possible implementation, the opening of the housing comprises a microphone opening and/or a speaker opening and/or an earphone opening and/or a charging opening.

With reference to the second aspect, in a possible implementation manner, the information recorded by the water intake log further includes: current location information and/or current time information of the mobile terminal.

Drawings

Fig. 1 is a schematic structural diagram of an electronic device according to an embodiment of the present disclosure;

fig. 2 is a schematic structural diagram of a mobile terminal according to an embodiment of the present application;

fig. 3 is a schematic structural diagram of a water inlet protection circuit according to an embodiment of the present application;

fig. 4 is a flowchart of a method for implementing water inlet protection according to an embodiment of the present application.

Detailed Description

For better understanding of the technical solutions of the present invention, the following detailed descriptions of the embodiments of the present application are provided with reference to the accompanying drawings.

It should be understood that the described embodiments are only some embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the present application, "at least one" means one or more, "a plurality" means two or more. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone, wherein A and B can be singular or plural. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. "at least one of the following" or similar expressions refer to any combination of these items, including any combination of the singular or plural items. For example, at least one (one) of a, b, or c, may represent: a, b, c, a-b, a-c, b-c, or a-b-c, wherein a, b, c may be single or multiple.

Fig. 1 is a schematic diagram of an electronic device according to an embodiment of the present invention;

as shown in fig. 1, the following describes an embodiment specifically by taking an electronic device 100 as an example.

The electronic device 100 may include a processor 110, an external memory interface 120, an internal memory 121, a Universal Serial Bus (USB) interface 130, a charging management module 140, a power management module 141, a battery 142, an antenna 1, an antenna 2, a mobile communication module 150, a wireless communication module 160, an audio module 170, a speaker 170A, a receiver 170B, a microphone 170C, an earphone interface 170D, a sensor module 180, a key 190, a motor 191, an indicator 192, a camera 193, a display screen 194, a Subscriber Identification Module (SIM) card interface 195, and the like. The sensor module 180 may include a pressure sensor 180A, a gyroscope sensor 180B, an air pressure sensor 180C, a magnetic sensor 180D, an acceleration sensor 180E, a distance sensor 180F, a proximity light sensor 180G, a fingerprint sensor 180H, a temperature sensor 180J, a touch sensor 180K, an ambient light sensor 180L, a bone conduction sensor 180M, and the like.

It is to be understood that the illustrated structure of the embodiment of the present application does not specifically limit the electronic device 100. In other embodiments of the present application, electronic device 100 may include more or fewer components than shown, or some components may be combined, some components may be split, or a different arrangement of components. The illustrated components may be implemented in hardware, software, or a combination of software and hardware.

Processor 110 may include one or more processing units, such as: the processor 110 may include an Application Processor (AP), a modem processor, a Graphics Processor (GPU), an Image Signal Processor (ISP), a controller, a video codec, a Digital Signal Processor (DSP), a baseband processor, and/or a neural-Network Processing Unit (NPU), etc. The different processing units may be separate devices or may be integrated into one or more processors.

The controller can generate an operation control signal according to the instruction operation code and the timing signal to complete the control of instruction fetching and instruction execution.

A memory may also be provided in the processor 110 for storing computer programs and data. In some embodiments, the memory in the processor 110 is a cache memory. The memory may hold instructions or data that have just been used or recycled by the processor 110. If the processor 110 needs to reuse the instruction or data, it can be called directly from the memory. Avoiding repeated accesses reduces the latency of the processor 110, thereby increasing the efficiency of the system.

In some embodiments, processor 110 may include one or more interfaces. The interface may include an integrated circuit (I2C) interface, an integrated circuit built-in audio (I2S) interface, a Pulse Code Modulation (PCM) interface, a universal asynchronous receiver/transmitter (UART) interface, a Mobile Industry Processor Interface (MIPI), a general-purpose input/output (GPIO) interface, a Subscriber Identity Module (SIM) interface, and/or a Universal Serial Bus (USB) interface, etc.

The I2C interface is a bi-directional synchronous serial bus that includes a serial data line (SDA) and a Serial Clock Line (SCL). In some embodiments, processor 110 may include multiple sets of I2C buses. The processor 110 may be coupled to the touch sensor 180K, the charger, the flash, the camera 193, etc. through different I2C bus interfaces, respectively. For example: the processor 110 may be coupled to the touch sensor 180K via an I2C interface, such that the processor 110 and the touch sensor 180K communicate via an I2C bus interface to implement the touch functionality of the electronic device 100.

The I2S interface may be used for audio communication. In some embodiments, processor 110 may include multiple sets of I2S buses. The processor 110 may be coupled to the audio module 170 via an I2S bus to enable communication between the processor 110 and the audio module 170. In some embodiments, the audio module 170 may communicate audio signals to the wireless communication module 160 via the I2S interface, enabling answering of calls via a bluetooth headset.

The PCM interface may also be used for audio communication, sampling, quantizing and encoding analog signals. In some embodiments, the audio module 170 and the wireless communication module 160 may be coupled by a PCM bus interface. In some embodiments, the audio module 170 may also transmit audio signals to the wireless communication module 160 through the PCM interface, so as to implement a function of answering a call through a bluetooth headset. Both the I2S interface and the PCM interface may be used for audio communication.

The UART interface is a universal serial data bus used for asynchronous communications. The bus may be a bidirectional communication bus. It converts the data to be transmitted between serial communication and parallel communication. In some embodiments, a UART interface is generally used to connect the processor 110 with the wireless communication module 160. For example: the processor 110 communicates with a bluetooth module in the wireless communication module 160 through a UART interface to implement a bluetooth function. In some embodiments, the audio module 170 may transmit the audio signal to the wireless communication module 160 through a UART interface, so as to realize the function of playing music through a bluetooth headset.

MIPI interfaces may be used to connect processor 110 with peripheral devices such as display screen 194, camera 193, and the like. The MIPI interface includes a Camera Serial Interface (CSI), a display screen serial interface (DSI), and the like. In some embodiments, processor 110 and camera 193 communicate through a CSI interface to implement the capture functionality of electronic device 100. The processor 110 and the display screen 194 communicate through the DSI interface to implement the display function of the electronic device 100.

The GPIO interface may be configured by software. The GPIO interface may be configured as a control signal and may also be configured as a data signal. In some embodiments, a GPIO interface may be used to connect the processor 110 with the camera 193, the display 194, the wireless communication module 160, the audio module 170, the sensor module 180, and the like. The GPIO interface may also be configured as an I2C interface, an I2S interface, a UART interface, a MIPI interface, and the like.

The USB interface 130 is an interface conforming to the USB standard specification, and may specifically be a Mini USB interface, a Micro USB interface, a USB Type C interface, or the like. The USB interface 130 may be used to connect a charger to charge the electronic device 100, and may also be used to transmit data between the electronic device 100 and a peripheral device. And the earphone can also be used for connecting an earphone and playing audio through the earphone. The interface may also be used to connect other electronic devices, such as AR devices and the like.

It should be understood that the interface connection relationship between the modules illustrated in the embodiments of the present application is only an illustration, and does not limit the structure of the electronic device 100. In other embodiments of the present application, the electronic device 100 may also adopt different interface connection manners or a combination of multiple interface connection manners in the above embodiments.

The charging management module 140 is configured to receive charging input from a charger. The charger may be a wireless charger or a wired charger. In some wired charging embodiments, the charging management module 140 may receive charging input from a wired charger via the USB interface 130. In some wireless charging embodiments, the charging management module 140 may receive a wireless charging input through a wireless charging coil of the electronic device 100. The charging management module 140 may also supply power to the electronic device 100 through the power management module 141 while charging the battery 142.

The power management module 141 is used to connect the battery 142, the charging management module 140 and the processor 110. The power management module 141 receives input from the battery 142 and/or the charge management module 140, and supplies power to the processor 110, the internal memory 121, the display 194, the camera 193, the wireless communication module 160, and the like. The power management module 141 may also be used to monitor parameters such as battery capacity, battery cycle count, battery state of health (leakage, impedance), etc. In some other embodiments, the power management module 141 may also be disposed in the processor 110. In other embodiments, the power management module 141 and the charging management module 140 may be disposed in the same device.

The wireless communication function of the electronic device 100 may be implemented by the antenna 1, the antenna 2, the mobile communication module 150, the wireless communication module 160, a modem processor, a baseband processor, and the like.

The antennas 1 and 2 are used for transmitting and receiving electromagnetic wave signals. Each antenna in the electronic device 100 may be used to cover a single or multiple communication bands. Different antennas can also be multiplexed to improve the utilization of the antennas. For example: the antenna 1 may be multiplexed as a diversity antenna of a wireless local area network. In other embodiments, the antenna may be used in conjunction with a tuning switch.

The mobile communication module 150 may provide a solution including 2G/3G/4G/5G wireless communication applied to the electronic device 100. The mobile communication module 150 may include at least one filter, a switch, a power amplifier, a Low Noise Amplifier (LNA), and the like. The mobile communication module 150 may receive the electromagnetic wave from the antenna 1, filter, amplify, etc. the received electromagnetic wave, and transmit the electromagnetic wave to the modem processor for demodulation. The mobile communication module 150 may also amplify the signal modulated by the modem processor, and convert the signal into electromagnetic wave through the antenna 1 to radiate the electromagnetic wave. In some embodiments, at least some of the functional modules of the mobile communication module 150 may be disposed in the processor 110. In some embodiments, at least some of the functional modules of the mobile communication module 150 may be disposed in the same device as at least some of the modules of the processor 110.

The modem processor may include a modulator and a demodulator. The modulator is used for modulating a low-frequency baseband signal to be transmitted into a medium-high frequency signal. The demodulator is used for demodulating the received electromagnetic wave signal into a low-frequency baseband signal. The demodulator then passes the demodulated low frequency baseband signal to a baseband processor for processing. The low frequency baseband signal is processed by the baseband processor and then transferred to the application processor. The application processor outputs a sound signal through an audio device (not limited to the speaker 170A, the receiver 170B, etc.) or displays an image or video through the display screen 194. In some embodiments, the modem processor may be a stand-alone device. In other embodiments, the modem processor may be provided in the same device as the mobile communication module 150 or other functional modules, independent of the processor 110.

The wireless communication module 160 may provide a solution for wireless communication applied to the electronic device 100, including Wireless Local Area Networks (WLANs) (e.g., wireless fidelity (Wi-Fi) networks), bluetooth (bluetooth, BT), Global Navigation Satellite System (GNSS), Frequency Modulation (FM), Near Field Communication (NFC), Infrared (IR), and the like. The wireless communication module 160 may be one or more devices integrating at least one communication processing module. The wireless communication module 160 receives electromagnetic waves via the antenna 2, performs frequency modulation and filtering processing on electromagnetic wave signals, and transmits the processed signals to the processor 110. The wireless communication module 160 may also receive a signal to be transmitted from the processor 110, perform frequency modulation and amplification on the signal, and convert the signal into electromagnetic waves through the antenna 2 to radiate the electromagnetic waves.

In some embodiments, antenna 1 of electronic device 100 is coupled to mobile communication module 150 and antenna 2 is coupled to wireless communication module 160 so that electronic device 100 can communicate with networks and other devices through wireless communication techniques. The wireless communication technology may include global system for mobile communications (GSM), General Packet Radio Service (GPRS), Code Division Multiple Access (CDMA), Wideband Code Division Multiple Access (WCDMA), time-division code division multiple access (time-division code division multiple access, TD-SCDMA), Long Term Evolution (LTE), LTE, BT, GNSS, WLAN, NFC, FM, and/or IR technologies, etc. The GNSS may include a Global Positioning System (GPS), a global navigation satellite system (GLONASS), a beidou satellite navigation system (BDS), a quasi-zenith satellite system (QZSS), and/or a Satellite Based Augmentation System (SBAS).

The electronic device 100 implements display functions via the GPU, the display screen 194, and the application processor. The GPU is a microprocessor for image processing, and is connected to the display screen 194 and an application processor. The GPU is used to perform mathematical and geometric calculations for graphics rendering. The processor 110 may include one or more GPUs that execute program instructions to generate or alter display information.

The display screen 194 is used to display images, video, and the like. The display screen 194 includes a display panel. The display panel may be a Liquid Crystal Display (LCD), an organic light-emitting diode (OLED), an active-matrix organic light-emitting diode (active-matrix organic light-emitting diode, AMOLED), a flexible light-emitting diode (FLED), a miniature, a Micro-oeld, a quantum dot light-emitting diode (QLED), or the like. In some embodiments, the electronic device 100 may include 1 or N display screens 194, with N being a positive integer greater than 1. In this embodiment, the display 194 is a curved display or a foldable display.

The electronic device 100 may implement a shooting function through the ISP, the camera 193, the video codec, the GPU, the display 194, the application processor, and the like.

The ISP is used to process the data fed back by the camera 193. For example, when a photo is taken, the shutter is opened, light is transmitted to the camera photosensitive element through the lens, the optical signal is converted into an electrical signal, and the camera photosensitive element transmits the electrical signal to the ISP for processing and converting into an image visible to naked eyes. The ISP can also carry out algorithm optimization on the noise, brightness and skin color of the image. The ISP can also optimize parameters such as exposure, color temperature and the like of a shooting scene. In some embodiments, the ISP may be provided in camera 193.

The camera 193 is used to capture still images or video. The object generates an optical image through the lens and projects the optical image to the photosensitive element. The photosensitive element may be a Charge Coupled Device (CCD) or a complementary metal-oxide-semiconductor (CMOS) phototransistor. The light sensing element converts the optical signal into an electrical signal, which is then passed to the ISP where it is converted into a digital image signal. And the ISP outputs the digital image signal to the DSP for processing. The DSP converts the digital image signal into image signal in standard RGB, YUV and other formats. In some embodiments, the electronic device 100 may include 1 or N cameras 193, N being a positive integer greater than 1.

The digital signal processor is used for processing digital signals, and can process digital image signals and other digital signals. For example, when the electronic device 100 selects a frequency bin, the digital signal processor is used to perform fourier transform or the like on the frequency bin energy.

Video codecs are used to compress or decompress digital video. The electronic device 100 may support one or more video codecs. In this way, the electronic device 100 may play or record video in a variety of encoding formats, such as: moving Picture Experts Group (MPEG) 1, MPEG2, MPEG3, MPEG4, and the like.

The NPU is a neural-network (NN) computing processor that processes input information quickly by using a biological neural network structure, for example, by using a transfer mode between neurons of a human brain, and can also learn by itself continuously. Applications such as intelligent recognition of the electronic device 100 can be realized through the NPU, for example: image recognition, face recognition, speech recognition, text understanding, and the like.

The external memory interface 120 may be used to connect an external memory card, such as a Micro SD card, to extend the memory capability of the electronic device 100. The external memory card communicates with the processor 110 through the external memory interface 120 to implement a data storage function. For example, files such as music, video, etc. are saved in an external memory card.

The internal memory 121 may be used to store computer-executable program code, which includes instructions. The internal memory 121 may include a program storage area and a data storage area. The storage program area may store an operating system, an application program (such as a sound playing function, an image playing function, etc.) required by at least one function, and the like. The storage data area may store data (such as audio data, phone book, etc.) created during use of the electronic device 100, and the like. In addition, the internal memory 121 may include a high-speed random access memory, and may further include a nonvolatile memory, such as at least one magnetic disk storage device, a flash memory device, a universal flash memory (UFS), and the like. The processor 110 executes various functional applications of the electronic device 100 and data processing by executing instructions stored in the internal memory 121 and/or instructions stored in a memory provided in the processor.

The electronic device 100 may implement audio functions via the audio module 170, the speaker 170A, the receiver 170B, the microphone 170C, the headphone interface 170D, and the application processor. Such as music playing, recording, etc.

The audio module 170 is used to convert digital audio information into an analog audio signal output and also to convert an analog audio input into a digital audio signal. The audio module 170 may also be used to encode and decode audio signals. In some embodiments, the audio module 170 may be disposed in the processor 110, or some functional modules of the audio module 170 may be disposed in the processor 110.

The speaker 170A, also called a "horn", is used to convert the audio electrical signal into an acoustic signal. The electronic apparatus 100 can listen to music through the speaker 170A or listen to a handsfree call.

The receiver 170B, also called "earpiece", is used to convert the electrical audio signal into an acoustic signal. When the electronic apparatus 100 receives a call or voice information, it can receive voice by placing the receiver 170B close to the ear of the person.

The microphone 170C, also referred to as a "microphone," is used to convert sound signals into electrical signals. When making a call or transmitting voice information, the user can input a voice signal to the microphone 170C by speaking the user's mouth near the microphone 170C. The electronic device 100 may be provided with at least one microphone 170C. In other embodiments, the electronic device 100 may be provided with two microphones 170C to achieve a noise reduction function in addition to collecting sound signals. In other embodiments, the electronic device 100 may further include three, four or more microphones 170C to collect sound signals, reduce noise, identify sound sources, perform directional recording, and so on.

The headphone interface 170D is used to connect a wired headphone. The headset interface 170D may be the USB interface 130, or may be a 3.5mm open mobile electronic device platform (OMTP) standard interface, a cellular telecommunications industry association (cellular telecommunications industry association of the USA, CTIA) standard interface.

The pressure sensor 180A is used for sensing a pressure signal, and converting the pressure signal into an electrical signal. In some embodiments, the pressure sensor 180A may be disposed on the display screen 194. The pressure sensor 180A can be of a wide variety, such as a resistive pressure sensor, an inductive pressure sensor, a capacitive pressure sensor, and the like. The capacitive pressure sensor may be a sensor comprising at least two parallel plates having an electrically conductive material. When a force acts on the pressure sensor 180A, the capacitance between the electrodes changes. The electronic device 100 determines the strength of the pressure from the change in capacitance. When a touch operation is applied to the display screen 194, the electronic apparatus 100 detects the intensity of the touch operation according to the pressure sensor 180A. The electronic apparatus 100 may also calculate the touched position from the detection signal of the pressure sensor 180A. In some embodiments, the touch operations that are applied to the same touch position but different touch operation intensities may correspond to different operation instructions. For example: and when the touch operation with the touch operation intensity smaller than the first pressure threshold value acts on the short message application icon, executing an instruction for viewing the short message. And when the touch operation with the touch operation intensity larger than or equal to the first pressure threshold value acts on the short message application icon, executing an instruction of newly building the short message.

The gyro sensor 180B may be used to determine the motion attitude of the electronic device 100. In some embodiments, the angular velocity of electronic device 100 about three axes (i.e., the x, y, and z axes) may be determined by gyroscope sensor 180B. The gyro sensor 180B may be used for photographing anti-shake. For example, when the shutter is pressed, the gyro sensor 180B detects a shake angle of the electronic device 100, calculates a distance to be compensated for by the lens module according to the shake angle, and allows the lens to counteract the shake of the electronic device 100 through a reverse movement, thereby achieving anti-shake. The gyroscope sensor 180B may also be used for navigation, somatosensory gaming scenes.

The air pressure sensor 180C is used to measure air pressure. In some embodiments, electronic device 100 calculates altitude, aiding in positioning and navigation, from barometric pressure values measured by barometric pressure sensor 180C.

The magnetic sensor 180D includes a hall sensor. The electronic device 100 may detect the opening and closing of the flip holster using the magnetic sensor 180D. In some embodiments, when the electronic device 100 is a flip phone, the electronic device 100 may detect the opening and closing of the flip according to the magnetic sensor 180D. And then according to the opening and closing state of the leather sheath or the opening and closing state of the flip cover, the automatic unlocking of the flip cover is set.

The acceleration sensor 180E may detect the magnitude of acceleration of the electronic device 100 in various directions (typically three axes). The magnitude and direction of gravity can be detected when the electronic device 100 is stationary. The method can also be used for recognizing the posture of the electronic equipment 100, and is applied to horizontal and vertical screen switching, pedometers and other applications.

A distance sensor 180F for measuring a distance. The electronic device 100 may measure the distance by infrared or laser. In some embodiments, taking a picture of a scene, electronic device 100 may utilize range sensor 180F to range for fast focus.

The proximity light sensor 180G may include, for example, a Light Emitting Diode (LED) and a light detector, such as a photodiode. The light emitting diode may be an infrared light emitting diode. The electronic device 100 emits infrared light to the outside through the light emitting diode. The electronic device 100 detects infrared reflected light from nearby objects using a photodiode. When sufficient reflected light is detected, it can be determined that there is an object near the electronic device 100. When insufficient reflected light is detected, the electronic device 100 may determine that there are no objects near the electronic device 100. The electronic device 100 can utilize the proximity light sensor 180G to detect that the user holds the electronic device 100 close to the ear for talking, so as to automatically turn off the screen to achieve the purpose of saving power. The proximity light sensor 180G may also be used in a holster mode, a pocket mode automatically unlocks and locks the screen.

The ambient light sensor 180L is used to sense the ambient light level. Electronic device 100 may adaptively adjust the brightness of display screen 194 based on the perceived ambient light level. The ambient light sensor 180L may also be used to automatically adjust the white balance when taking a picture. The ambient light sensor 180L may also cooperate with the proximity light sensor 180G to detect whether the electronic device 100 is in a pocket to prevent accidental touches.

The fingerprint sensor 180H is used to collect a fingerprint. The electronic device 100 can utilize the collected fingerprint characteristics to unlock the fingerprint, access the application lock, photograph the fingerprint, answer an incoming call with the fingerprint, and so on.

The temperature sensor 180J is used to detect temperature. In some embodiments, electronic device 100 implements a temperature processing strategy using the temperature detected by temperature sensor 180J. For example, when the temperature reported by the temperature sensor 180J exceeds a threshold, the electronic device 100 performs a reduction in performance of a processor located near the temperature sensor 180J, so as to reduce power consumption and implement thermal protection. In other embodiments, the electronic device 100 heats the battery 142 when the temperature is below another threshold to avoid the low temperature causing the electronic device 100 to shut down abnormally. In other embodiments, when the temperature is lower than a further threshold, the electronic device 100 performs boosting on the output voltage of the battery 142 to avoid abnormal shutdown due to low temperature.

The touch sensor 180K is also referred to as a "touch panel". The touch sensor 180K may be disposed on the display screen 194, and the touch sensor 180K and the display screen 194 form a touch screen, which is also called a "touch screen". The touch sensor 180K is used to detect a touch operation applied thereto or nearby. The touch sensor can communicate the detected touch operation to the application processor to determine the touch event type. Visual output associated with the touch operation may be provided through the display screen 194. In other embodiments, the touch sensor 180K may be disposed on a surface of the electronic device 100, different from the position of the display screen 194.

The bone conduction sensor 180M may acquire a vibration signal. In some embodiments, the bone conduction sensor 180M may acquire a vibration signal of the human vocal part vibrating the bone mass. The bone conduction sensor 180M may also contact the human pulse to receive the blood pressure pulsation signal. In some embodiments, the bone conduction sensor 180M may also be disposed in a headset, integrated into a bone conduction headset. The audio module 170 may analyze a voice signal based on the vibration signal of the bone mass vibrated by the sound part acquired by the bone conduction sensor 180M, so as to implement a voice function. The application processor can analyze heart rate information based on the blood pressure beating signal acquired by the bone conduction sensor 180M, so as to realize the heart rate detection function.

The keys 190 include a power-on key, a volume key, and the like. The keys 190 may be mechanical keys. Or may be touch keys. The electronic apparatus 100 may receive a key input, and generate a key signal input related to user setting and function control of the electronic apparatus 100.

The motor 191 may generate a vibration cue. The motor 191 may be used for incoming call vibration cues, as well as for touch vibration feedback. For example, touch operations applied to different applications (e.g., photographing, audio playing, etc.) may correspond to different vibration feedback effects. The motor 191 may also respond to different vibration feedback effects for touch operations applied to different areas of the display screen 194. Different application scenes (such as time reminding, receiving information, alarm clock, game and the like) can also correspond to different vibration feedback effects. The touch vibration feedback effect may also support customization.

Indicator 192 may be an indicator light that may be used to indicate a state of charge, a change in charge, or a message, missed call, notification, etc.

The SIM card interface 195 is used to connect a SIM card. The SIM card can be brought into and out of contact with the electronic apparatus 100 by being inserted into the SIM card interface 195 or being pulled out of the SIM card interface 195. The electronic device 100 may support 1 or N SIM card interfaces, N being a positive integer greater than 1. The SIM card interface 195 may support a Nano SIM card, a Micro SIM card, a SIM card, etc. The same SIM card interface 195 can be inserted with multiple cards at the same time. The types of the plurality of cards may be the same or different. The SIM card interface 195 may also be compatible with different types of SIM cards. The SIM card interface 195 may also be compatible with external memory cards. The electronic device 100 interacts with the network through the SIM card to implement functions such as communication and data communication. In some embodiments, the electronic device 100 employs esims, namely: an embedded SIM card. The eSIM card can be embedded in the electronic device 100 and cannot be separated from the electronic device 100.

The software system of the electronic device 100 may employ a layered architecture, an event-driven architecture, a micro-core architecture, a micro-service architecture, or a cloud architecture. And are not limited herein.

Fig. 2 is a schematic diagram of a mobile terminal according to an embodiment of the present invention;

the mobile terminal 200 shown in fig. 2 may be, for example, the electronic device 100 shown in fig. 1, and the electronic device 100 may be a portable electronic device containing other functions such as personal digital assistant and/or music player functions, such as a mobile phone, a tablet computer, a wearable device (e.g., a smart watch) with wireless communication function, and the like. Such as a laptop computer with a touch panel.

The mobile terminal 200 in the embodiment of the present invention includes a housing 10, a motherboard 20, and a battery 30, wherein the battery 30 is electrically connected to the motherboard 20 and is used for supplying power to the motherboard 20, and the motherboard 20 may include the processor 110 shown in fig. 1.

Fig. 3 is a schematic diagram of a water inlet protection circuit of a mobile terminal according to an embodiment of the present invention;

as shown in fig. 2 and fig. 3, in the embodiment of the present invention, the mobile terminal 200 further includes a water inlet protection circuit 40, where the water inlet protection circuit 40 includes at least one water-detecting device 401, a control unit 402 and a first switch 403;

wherein, at least one water-detecting device 401 is located at the opening position of the housing 10, and is used for generating a water inlet sensing signal after sensing that water enters the interior of the housing 10; the control unit 402 is connected to the water detecting device 401, and configured to receive a water inlet sensing signal, generate a water inlet log according to the water inlet sensing signal, and control the first switch 403 to be physically turned off, so as to cut off the power supply of the battery 30 to the motherboard 20.

It can be understood that the water-encountering detection device 401 is arranged at the position of the opening of the shell 10 to detect the waterproof weak point of the terminal device 200 and prevent misjudgment of water splashing, the water inlet protection circuit 40 is arranged to realize physical power-off, effective protection is provided when the mobile phone falls into water, the physical power-off is convenient to repair automatically, and a circuit-breaking protection scheme with low maintenance cost is realized.

After the mobile terminal 200, for example, a mobile phone, contacts water, the place where the housing 10 has obvious pores is usually the fastest to enter water, for example, the positions of the microphone hole, the speaker hole, the earphone hole, and the charging hole, etc., so that the water-detecting device 401 is disposed at the positions of the pores of the housing 10, such as the microphone hole and/or the speaker hole and/or the earphone hole and/or the charging hole, etc., to quickly achieve water-entering induction, thereby achieving water-entering judgment. Specifically, the water detecting device 401 is disposed inside the housing 10 near the cavity directly communicating with the opening of the housing 10, and the plurality of water detecting devices 401 form a plurality of detecting points at different positions, for example, the detecting point i, the detecting point ii, and the detecting point iii shown in fig. 3 may respectively correspond to the water detecting device 401 disposed at the position of the microphone hole, the water detecting device 401 disposed at the position of the speaker hole, and the water detecting device 401 disposed at the position of the charging hole in the mobile terminal 300.

In practical applications, the water detecting device 401 is electrically connected to the battery 30, the battery 30 provides power, the water detecting device 401 may be a humidity-sensitive capacitor, for example, as shown in fig. 2, the humidity-sensitive capacitor is disposed at a charging hole of the inner cavity of the housing 10, one end of the humidity-sensitive capacitor is connected to one electrode (e.g., a positive electrode) of the battery 30, and the other end of the humidity-sensitive capacitor is connected to the other electrode (e.g., a negative electrode) of the battery 30 through the control unit 402; the first switch 403 is connected between one electrode (for example, the negative electrode) of the battery 30 and the motherboard 20, and is used for controlling the power supply of the motherboard 20 by the battery 30.

After the water enters the mobile terminal 200, the humidity-sensitive capacitor changes when encountering water, so as to generate a water inlet induction signal to the control unit 402, and the control unit 402 controls the first switch 403 to be physically disconnected according to the water inlet induction signal, so as to disconnect the power supply of the battery 30 to the mainboard 20.

As shown in fig. 2, in the embodiment of the present invention, the first switch 403 may be a relay, and includes a coil portion a, an armature B, a contact portion, and the like, wherein the contact portion includes a first contact a and a second contact B, when the mobile terminal 200 enters water, the moisture-sensitive capacitor generates a capacitance change when encountering water, so as to generate a water inlet induction signal to the control unit 402, and the control unit 402 controls the coil portion of the first switch 403 to generate an electromagnetic force, and the armature B is attracted by the electromagnetic force, so that the first contact a and the second contact B in the contact portion are opened, so as to control the opening of the path between the battery 30 and the main board 20. The first contact a is electrically connected to the motherboard 20, and the second contact b is electrically connected to one electrode (shown as a negative electrode in fig. 2) of the battery 30; in the embodiment of the present invention, the first switch 403 may specifically be an electromagnetic relay, in other embodiments of the present invention, the first switch 403 may also be a contactor, a circuit breaker, or the like, and as long as an electronic switch capable of physically disconnecting a circuit under the control of the control unit 402 may be the first switch 403, which is not limited in the present invention.

In this embodiment of the present invention, the control unit 402 is further configured to generate a water inlet log according to the water inlet sensing signal, where the time for the control unit 402 to generate the water inlet log may be before or after, preferably before, the control unit 402 receives the water inlet sensing signal of the water-detecting device 401, and then the control unit 402 generates the water inlet log first and then controls the first switch 403 to be physically turned off, so as to cut off the power supply from the battery 30 to the motherboard 20, where the information recorded by the water inlet log may include but is not limited to: identification information of the water-detecting device 401 and/or current location information and/or current time information of the mobile terminal 200. Current location information of the mobile terminal 200, such as GPS (Global Positioning System) information; wherein, the identification information who meets water detection device 401 can be for meeting water detection device 401's identifying information, for example three meeting water detection device 401 corresponding identifying information can be check point I respectively, check point II and check point III, promptly when which one or more meet water detection device 401 has sensed the inside induction signal that intakes of shell 10 after intaking, just note this one or more meet water detection device 401's identifying information, in order to carry out the record to the position that mobile terminal 200 intake each time, in order to assist subsequent maintenance work and mobile terminal 200 self trouble diagnosis, the solution is disputed.

As shown in fig. 2, in an alternative embodiment, the mobile terminal 200 further includes a power key 404 disposed on the housing 10, where the power key 404 is a power key 404 for turning on and off the mobile terminal 200, and taking the mobile terminal 200 as a mobile phone as an example, it can be known that the power key 404 is generally disposed on a side surface of the mobile phone housing 10. Compared with the prior art, in the embodiment of the invention, after the first switch 403 is physically disconnected, the first switch 403 is linked with the power key 404, and the first switch 403 can be physically closed by pressing the power key 404. For example, the mobile terminal 200 in the embodiment of the present invention further includes an interlocking rod 405, the interlocking rod 405 is connected to the power key 404, when the first switch 403 is physically disconnected, the first switch 403 is physically contacted with the interlocking rod 405, and when the power key 404 is pressed, the interlocking rod 405 can be used to press the first switch 403, so that the first switch 403 is physically closed. Specifically, the first switch 403 includes a coil portion a, a contact portion, an armature B, and the like, when the first switch 403 is physically opened, the armature B is physically contacted with the linkage 405, and when the power key 404 is pressed, the armature B can be pressed by the linkage 405, so that the armature B is contacted with the first contact a and the second contact B in the contact portion, and the first switch 403 is closed. It can be understood that, in the embodiment of the present invention, the power key 404 is set to be in linkage connection with the disconnected first switch 403, so that after the mobile terminal 200 is subjected to the drying process, a user can manually reset without running a maintenance point, which is simple and convenient, and has strong practicability.

In another alternative embodiment, the housing 10 has a reset hole, and when the first switch 403 is physically opened, the first switch 403 can be physically closed after the plunger pin is inserted into the reset hole and physically contacts the power key 404. Wherein the reset hole is provided opposite to a side of the armature B of the first switch 403 remote from the contact portion.

In a preferred embodiment, the reset hole can be plugged by a belt plug for aesthetic appearance and water and oil proofing, and the belt plug can be pulled out when the reset hole is needed. It can be understood that the embodiment of the invention has the advantages that the reset hole is arranged, so that after the terminal equipment is dried, a user can manually reset through the reset hole without running a maintenance point, and the invention is simple and convenient and has strong practicability.

Fig. 4 is a flowchart of a method for implementing water inlet protection according to an embodiment of the present invention.

As shown in fig. 4, an embodiment of the present invention provides a method for implementing water inlet protection, which is applied to a mobile terminal, where the mobile terminal includes a housing, a motherboard, and a battery, the mobile terminal further includes a water-detecting device, a control unit, and a first switch, the water-detecting device is disposed at an opening of the housing, and the method includes:

step S01: the water-encountering detection device generates a water inlet induction signal after inducing water inlet in the shell;

step S02; the control unit generates a water inlet log according to the water inlet induction signal and controls the first switch to be physically disconnected, so that the power supply of the main board by the battery is cut off; the information recorded by the water inlet log comprises identification information of the water-encountering detection device.

It can be understood that in the embodiment of the invention, the water-encountering detection device is arranged at the position of the opening of the shell to detect the waterproof weak point of the terminal equipment, so as to prevent misjudgment of water splashing, the physical power-off is realized by arranging the water inlet protection circuit, effective protection is provided when the mobile phone falls into water, meanwhile, the physical power-off is convenient to repair automatically, and the circuit-breaking protection scheme with low maintenance cost is realized.

Specifically, in practical applications, the water detecting device is electrically connected to the battery, and the battery provides power, and the water detecting device may be, for example, a humidity-sensitive capacitor. The humidity-sensitive capacitor is arranged at the position of a charging hole in the inner cavity of the shell, one end of the humidity-sensitive capacitor is connected with one electrode of the battery, and the other end of the humidity-sensitive capacitor is connected with the other electrode of the battery through the control unit; the first switch is connected between one electrode of the battery and the mainboard and used for controlling the battery to supply power to the mainboard.

In a feasible implementation mode, after the first switch is physically disconnected, the first switch and the power key form linkage connection; the method further comprises the following steps: pressing the power key causes the first switch to physically close.

Specifically, the linkage connection may be direct physical contact or indirect linkage connection, for example, in the embodiment of the present invention, a linkage rod is provided, the linkage rod is connected to the power key, when the first switch is physically disconnected, the first switch is physically contacted to the linkage rod, and when the power key is pressed, the linkage rod may be used to press the first switch, so that the first switch is physically closed. Specifically, the first switch comprises a coil part, a contact part, an armature and the like, when the first switch is physically disconnected, the armature is physically contacted with the linkage rod, and when the power key is pressed, the armature can be pressed through linkage of the linkage rod, so that the armature is contacted with the first contact and the second contact in the contact part, and the first switch is closed. It can be understood that the power key is arranged to be in linkage connection with the disconnected first switch, so that a user can reset manually after the terminal equipment is dried, a maintenance point does not need to be run, and the terminal equipment drying device is simple, convenient and high in practicability.

In a feasible implementation manner, the housing is provided with a reset hole, and the method further includes:

when the first switch is physically disconnected, the plunger pin is inserted into the reset hole to be in physical contact with the first switch, so that the first switch can be physically closed.

In a possible implementation, the opening of the housing comprises a microphone opening and/or a loudspeaker opening and/or an earphone opening and/or a charging opening.

In one possible implementation, the information recorded by the water intake log further includes: current location information and/or current time information of the mobile terminal.

Specifically, the time for the control unit to generate the water inlet log may be before or after, preferably before, the control unit controls the first switch to be physically disconnected, that is, after the control unit receives the water inlet sensing signal of the water-encountering detection device, the water inlet log is generated first, and then the first switch is controlled to be physically disconnected, so as to cut off the power supply of the main board by the battery, and the information recorded by the water inlet log may include, but is not limited to: identification information of the water-detecting device and/or current position information and/or current time information of the mobile terminal. Wherein, mobile terminal's current position information for example GPS (Global Positioning System) information, wherein, the identification information who meets the water detection device can be for meeting the identification information of water detection device, promptly when which one or more meet the water detection device and induced the inside induction signal that intakes of shell after intake, just note the identification information who meets the water detection device or devices, in order to carry out the record to the mobile terminal position of intaking each time, in order to assist subsequent maintenance work and the fault diagnosis of mobile terminal self, solve the dispute.

It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.

The above embodiments are only specific embodiments of the present application, and any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered by the protection scope of the present application. The protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a realize mobile terminal of protection of intaking, includes shell, mainboard and battery, its characterized in that, mobile terminal still includes:

the first switch is connected between the battery and the mainboard;

2. The mobile terminal for realizing water inlet protection according to claim 1, further comprising a power key disposed on the housing, wherein when the first switch is physically disconnected, the first switch and the power key form a linkage connection, and the first switch can be physically closed by pressing the power key.

3. The mobile terminal for realizing water inlet protection according to claim 1, wherein a reset hole is formed in the housing, and when the first switch is physically disconnected, the first switch can be physically closed after the first switch is physically connected to the first switch by inserting a cork-drawing pin into the reset hole.

4. A mobile terminal for realizing water ingress protection according to any of claims 1 to 3 wherein the aperture of the housing comprises a microphone aperture and/or a speaker aperture and/or an earphone aperture and/or a charging aperture.

5. The mobile terminal for implementing water ingress protection according to claim 1, wherein the information recorded by the water ingress log further comprises: current location information and/or current time information of the mobile terminal.

6. The utility model provides a realize protection method of intaking, is applied to mobile terminal, mobile terminal includes shell, mainboard and battery, its characterized in that, mobile terminal still includes and meets water detection device, the control unit and first switch, meet water detection device set up in the position of the trompil of shell, the method includes:

7. The method of claim 6, wherein the mobile terminal further comprises a power key disposed on the housing, and wherein the first switch is in linkage connection with the power key when the first switch is physically disconnected; the method further comprises the following steps: and pressing the power key to physically close the first switch.

8. The method of claim 6, wherein the housing has a reset hole, the method further comprising:

9. Method of achieving water ingress protection according to any of claims 6 to 8 wherein the opening of the housing comprises a microphone opening and/or a speaker opening and/or an earphone opening and/or a charging opening.

10. The method of claim 6, wherein the information recorded by the water inlet log further comprises: current location information and/or current time information of the mobile terminal.