Dustproof methods, electronic devices and readable storage media

Abstract

This application relates to the field of smart terminal technology, specifically to a dustproof method, electronic device, and readable storage medium. The method includes: detecting a change in a first electrical parameter of a detection circuit that satisfies a first preset condition, wherein the first preset condition corresponds to a state where a second part is detached from a first part; controlling an inflation device to blow air into the inflation port of the air channel; detecting a change in a second electrical parameter of the detection circuit that satisfies a second preset condition, wherein the second preset condition corresponds to a state where the second part is connected to the first part; and controlling the inflation device to stop blowing air into the inflation port of the air channel. This application can identify when an airbag or dust cover is removed and promptly open the dust cover to prevent dust from entering the inflation port and causing contamination. It also avoids frequent dust removal of the device and can take timely clearing measures when blockages occur, which is beneficial for improving user experience, ensuring the normal operation of various functions of the electronic device, and extending the device's service life.

Description

Technical Field

[0001] This invention relates to the field of smart terminal technology, specifically to a dustproof method, an electronic device, and a readable storage medium. Background Technology

[0002] With the gradual development of smart wearable electronic devices (i.e., wearable devices, such as smartwatches and smart bracelets), smart wearable devices with blood pressure measurement functions have emerged, leading to the development of blood pressure measurement devices towards intelligence and wearability. Currently, the principle of blood pressure measurement in smart wearable devices with blood pressure measurement functions is largely the same as that of traditional electronic blood pressure monitors, for example, both using the oscillometric method.

[0003] As an example, refer to Figure 1 As shown, a smartwatch 100 that detects blood pressure based on the oscillometric method may include a watch body 101, an air bladder 180, and a watch strap (not shown). The air bladder 180 can be attached to the inside of the watch body 101 and the watch strap, so that when the smartwatch 100 is worn on the arm, the watch body 101 and the watch strap can press the air bladder 180 against the arm. The watch body 101 contains an air pump 170, a pressure sensor 162, a microcontroller unit (MCU) (not shown), and a drive circuit connected to the MCU. The air pump 170 and the air bladder 101 can be connected through an air passage connection component, and the pressure sensor 162 can be electrically connected to the MCU. During blood pressure measurement, the MCU controls the air pump 170 to inflate the airbag 180, causing the airbag 180 to compress the arm. The pressure sensor 162 detects the pressure difference (hereinafter referred to as differential pressure) within the air passage component connecting the airbag 180 and transmits the detection result to the MCU. The MCU can determine the user's blood pressure value based on the detected pressure change and display the blood pressure value to the user through the display screen of the smartwatch 100. The airbag 180 is attached to the watch body 101 and the inside of the strap using various methods, such as magnetic attraction, adhesion, or snap-fit, meaning the airbag 180 is detachable. It is understood that some smart wearable devices with blood pressure measurement functions can also switch to other usage modes besides the blood pressure measurement mode, such as a sports mode. During exercise, the airbag 180 can be removed to maintain the breathability of the smartwatch 100.

[0004] When the airbag 180 is removed, fine dust may contaminate the instrument panel air inlet 171 and the airbag nozzle 181. Long-term accumulation of dust can clog the airflow guiding components and damage components such as the pressure sensor 162 and air pump 170. Even though dust protection can be achieved by installing a dust cover when removing the airbag, dust will still contaminate the instrument panel air inlet 171 and the airbag nozzle 181 during the interval between airbag removal and dust cover installation. Furthermore, users often forget to install the dust cover or fail to do so promptly when removing the airbag 180. Therefore, a dust prevention solution is needed to address these issues. Summary of the Invention

[0005] This application provides a dustproof method, electronic device, and readable storage medium that can promptly identify when the airbag or dust cover is removed and activate the active dustproof function to protect the inflation port from dust contamination. It also promptly reminds the user to install the dust cover or reinstall the airbag. Furthermore, the method provided in this application avoids the problem of increased energy consumption caused by the wearable device frequently being in active dustproof mode. It can also promptly clear blockages in the inflation port and the air passage connecting the air pump and airbag by blowing air or reminding the user to go to after-sales service for cleaning. This helps ensure the normal use of the blood pressure measurement function of the wearable device, extends the lifespan of the wearable device, and ultimately improves the user experience.

[0006] In a first aspect, embodiments of this application provide a dustproof method applied to an electronic device. The electronic device includes a first part and a second part. The first part includes an inflation device, an air guide channel, and a detection circuit. The second part includes a second element capable of causing a change in electrical parameters on the detection circuit. The detection circuit includes a first detection element for detecting changes in electrical parameters, and the detection circuit identifies the state of the second part being connected to or disconnected from the first part based on the cooperation of the first detection element and the second element. The second part is detachably connected to the inflation port of the air guide channel. The method includes: detecting a change in a first electrical parameter of the detection circuit and the change satisfying a first preset condition, wherein the first preset condition corresponds to the state of the second part being disconnected from the first part; controlling the inflation device to blow air into the inflation port of the air guide channel; detecting a change in a second electrical parameter of the detection circuit and the change satisfying a second preset condition, wherein the second preset condition corresponds to the state of the second part being connected to the first part; and controlling the inflation device to stop blowing air into the inflation port of the air guide channel.

[0007] In other words, the electronic device can detect changes in electrical parameters on the circuit to identify whether the second part has been removed from the first part. When it detects that the second part has been removed from the first part, it controls the inflation device of the first part to blow air into the inflation port to prevent dust, at which point the electronic device enters the active dust prevention state described in the following embodiments. When the electronic device detects that the second part has been reinstalled on the first part, it controls the inflation device to stop working, at which point the electronic device exits the active dust prevention state described in the following embodiments.

[0008] The aforementioned electronic device may be, for example, a smartwatch as described in the embodiments below. The first part may be, for example, the watch body, and the second part may be, for example, an airbag. It is understood that the detachable connection between the second part and the inflation port may correspond, for example, to the sealed connection between the airbag nozzle and the inflation port as described in the embodiments below. The state of the second part being connected to or detached from the first part corresponds to the state of the airbag being installed on or removed from the watch body, as described in the embodiments below, and also to the state of the airbag nozzle being sealed or disconnected from the inflation port. The inflation device included in the first part may be, for example, an air pump as described in the embodiments below, and the air passage may be, for example, an air path connection component. The aforementioned detection circuit may be, for example, as described in the embodiments below. Figure 5 or Figures 6a to 6c In the circuit described in the example, the first detection element may be, for example, a voltmeter or ammeter as described in the embodiments below. The change in electrical parameters on the circuit is detected by detecting changes in voltage or current on the circuit, which will be described in detail below and will not be repeated here.

[0009] It is understood that the airbag may also be provided with an element that cooperates with the detection circuit included in the first part and causes a change in the voltage or current on the detection circuit, namely the second element described above. The second element may, for example, be a magnet or resistor as described in the embodiments below.

[0010] In one possible implementation of the first aspect described above, the electronic device further includes a third part connected to the first part via an air inlet covering the air passage, the third part including a third element capable of causing a change in electrical parameters on the detection circuit; and the method further includes: detecting a change in the third electrical parameter of the detection circuit and the change satisfying a third preset condition, wherein the third preset condition corresponds to the state in which the third part is connected to the first part; and controlling the air filling device to stop blowing air into the air inlet of the air passage.

[0011] In one possible implementation of the first aspect above, the method further includes: detecting that a fourth electrical parameter of the detection circuit changes and the change satisfies a fourth preset condition, wherein the fourth preset condition corresponds to the state in which the third part is separated from the first part; and controlling the inflation device to blow air into the inflation port of the air guide channel.

[0012] The electronic device may further include a third part for dust protection of the air inlet, which may be, for example, a dust cover as described in the embodiments below. The state in which the third part is connected to or disconnected from the first part may correspond to the state in which the dust cover is installed or removed as described in the embodiments below. It is understood that the dust cover may also be provided with an element that cooperates with the detection circuit included in the first part and causes a change in the voltage or current on the detection circuit, i.e., the aforementioned third element. The third element may be, for example, a magnet or a resistor as described in the embodiments below. It is understood that the aforementioned second element and third element may both be magnets or both be resistors. In order for the electronic device to recognize the second part and the third part, when the third element and the second element are both magnets, their magnetic forces may be selected to be different magnitudes; when the third element and the second element are both resistors, their resistance values ​​may be selected to be different values. For details, please refer to the relevant descriptions in the embodiments below, which will not be repeated here.

[0013] In one possible implementation of the first aspect above, the method further includes: displaying a first prompting interface, wherein the first prompting interface is used to prompt the user about the state of the second part being separated from the first part, or to prompt the state of the third part being separated from the first part.

[0014] That is, when the electronic device detects that the second or third part has been detached from the first part, it can display a prompt message on the interface, namely the aforementioned first prompt interface. This first prompt interface can, for example, be one described in the following embodiments. Figure 2 The interface shown can be referred to in the relevant descriptions in the embodiments below, and will not be repeated here.

[0015] In one possible implementation of the first aspect described above, the detection circuit includes a Hall sensor, a first detection element being a first voltage detection element or a first current detection element, wherein the first voltage detection element is connected to both ends of the Hall sensor; and a second element is a magnet.

[0016] In one possible implementation of the first aspect above, the first electrical parameter includes a voltage value or a current value; and the first preset condition includes: the first voltage detection element detects that the first voltage value across the Hall sensor is less than a first voltage threshold; or, the first current detection element detects that the first current value on the detection circuit is less than a first current threshold.

[0017] In one possible implementation of the first aspect above, the second electrical parameter includes a voltage value or a current value; and the second preset condition includes: the first voltage detection element detects that the second voltage value across the Hall sensor is greater than the first voltage threshold; or, the first current detection element detects that the second current value on the detection circuit is greater than the first current threshold.

[0018] Electronic devices (such as smartwatches) can detect whether a second part (e.g., an airbag) or a third part (e.g., a dust cover) has been removed from a first part (e.g., the watch body) by detecting voltage changes in a circuit. The principle behind this voltage change detection circuit is as follows: when the airbag or dust cover is attached, the magnet generates a Hall effect with the Hall sensor, causing the voltage across the Hall sensor to increase; when the airbag or dust cover is removed, the Hall effect disappears, causing the voltage across the Hall sensor to decrease. For details, please refer to the relevant descriptions in the embodiments below, which will not be repeated here.

[0019] In one possible implementation of the first aspect above, the first detection element is a second voltage detection element or a second current detection element, and the second element is a first resistor; and when the second part and the first part are connected, the first resistor is connected to the detection circuit and the detection circuit is in a closed state; when the second part and the first part are disconnected, the detection circuit is in an open state.

[0020] In one possible implementation of the first aspect above, the first electrical parameter includes a voltage value or a current value; and the first preset condition includes: the second voltage detection element detecting that the second voltage value between the connection points in the detection circuit used to connect the first resistor is greater than the second voltage threshold; or, the second current detection element detecting that the second current value in the detection circuit is less than the second current threshold.

[0021] In one possible implementation of the first aspect above, the second electrical parameter includes a voltage value or a current value; and the second preset condition includes: the second voltage detection element detecting that the second voltage value between the connection points in the detection circuit used to connect the first resistor is less than a second voltage threshold; or, the second current detection element detecting that the second current value on the detection circuit is greater than a second current threshold.

[0022] The detection circuit included in the first part (e.g., the watch body) of an electronic device (e.g., a smartwatch) can identify whether the second part (e.g., an airbag) has been detached from the first part (e.g., the watch body) by exposing a connection point to a first resistor included in the second part and then comparing the change in voltage or current on the detection circuit when the first resistor is connected to the circuit detection circuit through the exposed connection point of the detection circuit (when the circuit detection circuit is in a closed state) with the change in voltage or current when the first resistor is not connected to the circuit detection circuit (when the circuit detection circuit is in a closed state). The connection point exposed to the first resistor by the detection circuit can be, for example, an electrode contact as described in the embodiments below. Specific details can be found in the relevant descriptions in the embodiments below, and will not be repeated here.

[0023] In one possible implementation of the first aspect above, the detection circuit includes a second resistor, the first detection element is a third current element, and the second element is a third resistor; and when the second part and the first part are connected, the third resistor is connected to the detection circuit, and the circuit containing the third resistor and the circuit containing the second resistor form a parallel circuit; when the second part and the first part are disconnected, the circuit containing the third resistor is disconnected and the detection circuit is turned on through the second resistor.

[0024] In one possible implementation of the first aspect above, the first electrical parameter includes a current value; and the first preset condition includes: the third current detection element detects that the third current value on the main circuit of the detection circuit is less than the third current threshold.

[0025] In one possible implementation of the first aspect above, the second electrical parameter includes a current value; and the second preset condition includes: the third current detection element detects that the third current value on the main circuit of the detection circuit is greater than the third current threshold.

[0026] In one possible implementation of the first aspect above, controlling the inflation device to blow air into the inflation port of the air channel includes: starting the inflation device with preset first operating parameters and blowing air into the inflation port of the air channel, wherein the first operating parameters include a first duty cycle.

[0027] That is, when an electronic device (e.g., a smartwatch) detects that a second part (e.g., an airbag) or a third part (e.g., a dust cover) has been removed from a first part (e.g., the watch body), it can control the inflation device to start and blow air to prevent dust at a preset first operating parameter. The first duty cycle included in the above-mentioned first operating parameter may be, for example, 5% as exemplified in the embodiments below, or other reasonably preset duty cycles, which are not limited here.

[0028] In one possible implementation of the first aspect above, the first part includes a first air pressure detection element connected to the air guide channel, and the method includes: during the process of controlling the inflation device to blow air into the inflation port of the air guide channel, detecting a first air pressure difference value at both ends of the air guide channel by the first air pressure detection element; if the first air pressure difference value is greater than a preset first pressure difference threshold, adjusting the operating parameters of the inflation device, or controlling the inflation device to stop blowing air into the inflation port of the air guide channel and reminding the user to manually clear the blockage.

[0029] The electronic device (e.g., a smartwatch) can preset a single-level threshold for the air pressure difference across the air duct, which is the aforementioned first pressure difference threshold. When the air pressure difference across the air duct exceeds this threshold, the device adjusts the operating parameters of the inflation device (e.g., increasing the duty cycle) to increase the blowing rate for clearing the blockage, or displays a prompt message on the interface reminding the user to go to the after-sales service center for manual clearing. When the air pressure difference across the air duct does not exceed the threshold, the inflation device can maintain the first operating parameters for normal air blowing and dust prevention. The second prompt interface displayed by the electronic device reminding the user to go to the after-sales service center for manual clearing can be seen, for example, in the following embodiment. Figure 11 The interface shown will not be described in detail here.

[0030] In one possible implementation of the first aspect described above, the first part includes a second air pressure detection element connected to the air guide channel. The method includes: during the process of controlling the inflation device to blow air into the inflation port of the air guide channel, detecting a second air pressure difference value at both ends of the air guide channel through the second air pressure detection element; if the second air pressure difference value is greater than a preset second pressure difference threshold and less than a preset third pressure difference threshold, controlling the inflation device to operate with second operating parameters and blow air into the inflation port of the air guide channel, wherein the second operating parameters include a second duty cycle and the second duty cycle is greater than a first duty cycle; if the second air pressure difference value is greater than the third pressure difference threshold, controlling the inflation device to stop blowing air into the inflation port of the air guide channel and displaying a second prompt interface, wherein the second prompt interface is used for the user to manually clear the blockage.

[0031] Electronic devices (such as smartwatches) can preset multiple threshold levels for the air pressure difference across the air passage (such as an airflow connector). These threshold levels include, for example, the aforementioned second and third pressure difference thresholds. When the air pressure difference across the air passage is detected to be between the second and third pressure difference thresholds, the blowing rate is increased to clear the blockage by adjusting the operating parameters of the inflation device (e.g., increasing the duty cycle). When the air pressure difference exceeds the higher third pressure difference threshold, a prompt message is displayed on the interface, reminding the user to go to the after-sales service center for manual clearing. When the air pressure difference does not exceed the lower second pressure difference threshold, the inflation device can maintain the first operating parameter for normal blowing and dust prevention. The second prompt interface displayed by the electronic device reminding the user to go to the after-sales service center for manual clearing can be seen in the following embodiment. Figure 11 The interface shown will not be described in detail here. This allows for different clearing measures to be taken for varying degrees of blockage in the air passage or at the inflation port, improving clearing efficiency and facilitating the maintenance of stable inflation performance of the inflation device in electronic equipment.

[0032] In one possible implementation of the first aspect described above, the method further includes: detecting a change in a first electrical parameter of the detection circuit at the current moment, and the change satisfying a first preset condition; calculating a first time interval between the moment when the second part detached from the first part, or the moment when the inflation device blew air into the inflation port of the air channel, or the moment when the inflation device stopped blowing air into the inflation port of the air channel, and the current moment; determining that the first time interval exceeds a preset time interval threshold; and controlling the inflation device to blow air into the inflation port of the air channel based on the determination result.

[0033] Electronic devices (such as smartwatches) can have a threshold set for the time interval between two consecutive dust-proofing cycles to prevent the inflation device from frequently activating for dust protection, thus avoiding the device from frequently entering active dust protection mode. This frequent activation of the inflation device increases the energy consumption of the electronic device and accelerates the wear and tear on both the inflation device and the device itself.

[0034] In one possible implementation of the first aspect described above, the second part is an airbag.

[0035] In one possible implementation of the first aspect described above, the third part is a dust cover.

[0036] Secondly, embodiments of this application provide an electronic device, including: one or more processors; one or more memories; the one or more memories storing one or more programs, which, when executed by one or more processors, cause the electronic device to perform the aforementioned dustproof method.

[0037] Thirdly, embodiments of this application provide a computer-readable storage medium storing instructions that, when executed on a computer, cause the computer to perform the aforementioned dustproof method.

[0038] Fourthly, embodiments of this application provide a computer program product, including a computer program / instructions, which, when executed by a processor, implement the aforementioned dustproof method. Attached Figure Description

[0039] Figure 1 The diagram shown is a schematic diagram of the airway channel of a smartwatch with blood pressure measurement function provided in an embodiment of this application.

[0040] Figure 2 The image shown is a schematic diagram of an interface that prompts the user to enter active dust prevention mode, as provided in an embodiment of this application.

[0041] Figure 3 The diagram shown is a schematic block diagram of a smartwatch with blood pressure measurement function provided in an embodiment of this application.

[0042] Figure 4a The diagram shows a connection structure of a smartwatch 100, an airbag 180, and a dust cover 400 provided in an embodiment of this application.

[0043] Figure 4b The diagram shown is a schematic of a blood pressure measurement interface provided in an embodiment of this application.

[0044] Figure 5 The diagram shown is a schematic representation of the principle of voltage change based on the Hall effect phenomenon provided in an embodiment of this application.

[0045] Figure 6a The diagram shown is a schematic diagram illustrating the principle of voltage change caused by the opening and closing of an electrode contact according to an embodiment of this application.

[0046] Figure 6b The diagram shown is a schematic diagram illustrating the principle of current change caused by the opening and closing of another electrode contact provided in an embodiment of this application.

[0047] Figure 6c The diagram shown is a schematic diagram illustrating the principle of current change caused by the opening and closing of an electrode contact according to an embodiment of this application.

[0048] Figure 7 The diagram shown is a schematic representation of the implementation process of a dust prevention method provided in Embodiment 1 of this application.

[0049] Figure 8 The diagram shown is an interface diagram indicating that the airbag or dust cover has been installed, provided in an embodiment of this application.

[0050] Figure 9 The diagram shown is a schematic representation of the implementation process of another dust prevention method provided in Embodiment 2 of this application.

[0051] Figure 10 The diagram shown is a schematic representation of the implementation process of another dustproof method provided in Embodiment 3 of this application.

[0052] Figure 11 The diagram shown is a schematic of an interface indicating severe blockage in the gas passage provided in an embodiment of this application. Detailed Implementation

[0053] To address the issue that some wearable electronic devices with blood pressure measurement functions cannot prevent dust from contaminating the airbag nozzle and inflation port (i.e., the device's air inlet), this application provides a dustproof method. Specifically, this method determines whether to control the air pump to blow air into the inflation port to prevent dust by identifying whether the airbag or dust cover has been removed. The wearable device can also remind the user to reinstall the dust cover or airbag via a display interface to protect the inflation port from dust contamination. It is understood that to avoid the wearable device frequently entering active dustproof mode, this method can solve the problem of increased power consumption that may result from frequent active dustproof mode by setting a threshold for the start or end time interval between two consecutive active dustproof states.

[0054] In addition, this method can detect whether the inflation port and the air passage connecting the air pump and the air bag are blocked due to dust contamination when the air bag or dust cover is removed. Based on the detected air pressure difference, it can take clearing measures corresponding to different degrees of air passage blockage. For example, clearing measures may include increasing the duty cycle of the air pump to increase the blowing rate to clear the blockage in the air passage, or guiding the user to after-sales service for cleaning through prompt information.

[0055] Therefore, the dustproof solution provided in this application embodiment is beneficial to ensuring the normal use of the blood pressure measurement function of the wearable device, and also helps to improve the service life of the wearable device, thereby improving the user experience.

[0056] For example, the wearable device with blood pressure measurement function in the embodiments of this application may include, but is not limited to, smartwatches, smart bracelets, smart glasses, smart ankle bracelets, smart rings, smart necklaces, augmented reality (AR) devices, virtual reality (VR) devices, etc., and this application does not impose any special restrictions on the specific form of the wearable device. The following continues to use a smartwatch 100 with blood pressure measurement function as an example to describe the specific implementation process of the solution in this application.

[0057] Figure 2 According to an embodiment of this application, a schematic diagram of an interface is shown in which a smartwatch 100 prompts a user to enter active dustproof mode.

[0058] like Figure 2As shown, when the airbag or dust cover originally connected to the smartwatch 100 body is removed from the smartwatch 100 body, the smartwatch 100 activates its air pump and enters active dust protection mode. At this time, a reminder interface 210 can be displayed on the screen of the smartwatch 100. This reminder interface 210 includes a prompt message box 211. The prompt message displayed in the prompt message box 211 may be, for example, "Active dust protection function is activated. Please install the airbag or dust cover in time to avoid dust contamination," to remind the user that the smartwatch 100 is in active dust protection mode. In some other embodiments, the shape of the prompt message box 211 may also be different from... Figure 2 Other shapes are shown, and the prompt message displayed in the information prompt box 211 can also be other content prompting the smartwatch 100 to turn on the active dustproof function, without any restrictions.

[0059] Continue as Figure 2 As shown, the reminder interface 210 displayed by the smartwatch 100 also includes a power button 212. This power button 212 can be displayed below the notification box 211. For example, the power button 212 may display the words "Turn off active dust resistance." Users can click the power button 212 on the reminder interface 210 displayed by the smartwatch 100 to deactivate the active dust resistance mode. (Refer to the above...) Figure 1 The diagram shown illustrates the working principle of the smartwatch 100. The result of exiting the active dustproof mode could be, for example, that the air pump 170 inside the watch body 101 of the smartwatch 100 stops working and no longer blows air into the air inlet. This is not a limitation.

[0060] Before introducing the dustproof method provided in the embodiments of this application, the structure of the smartwatch 100 provided in the embodiments of this application will be introduced first. Figure 3 A schematic block diagram of a smartwatch 100 is shown according to an embodiment of this application.

[0061] like Figure 3 As shown, the smartwatch 100 includes a microcontroller unit (MCU) 110, a storage unit 120 connected to the MCU 110, a display screen 130, an interaction unit 140, a wireless unit 150, a photoplethysmography (PPG) sensor 161, a barometric pressure sensor 162, a Hall sensor 163, and an air pump 170. The smartwatch 100 can also be connected to an external airbag 180, with the air pump 170 and the airbag 180 connected via an air passage connection component. The airbag 180 may include an airbag nozzle 181 and a magnet 182 that can be brought close to the Hall sensor 163 of the smartwatch 100 to generate a Hall effect.

[0062] It is understood that the structures illustrated in the embodiments of the present invention do not constitute a specific limitation on the smartwatch 100. In other embodiments of this application, the smartwatch 100 may include more or fewer components than illustrated, or combine some components, or split some components, or have different component arrangements. The illustrated components may be implemented in hardware, software, or a combination of software and hardware.

[0063] The microcontroller unit 110 is used for system scheduling, controlling the operating status of the display screen, touch screen, air pump 170, etc., and controlling sensors to collect corresponding sensor data and perform calculations on the corresponding sensor data. The sensors can be PPG sensors 161, barometric pressure sensors 162, Hall effect sensors 163, or other sensors. For example, in some embodiments of this application, when the airbag 180 is in a disassembled state, the microcontroller unit 110 can control the air pump 170 to operate for active dust prevention and use the barometric pressure sensor 162 to collect the pressure difference value in the air passage connection component connected to the air pump 170 to determine whether the air passage connection component and the inflation port 171 are blocked. In other embodiments, the microcontroller unit 110 can also analyze the pressure difference value collected by the barometric pressure sensor 162 after the air pump 170 inflates the airbag 180 when the user measures blood pressure to obtain the user's blood pressure value.

[0064] The storage unit 120 is used to store software programs and data. The microcontroller unit 110 executes various functional applications and data processing of the smartwatch 100 by running the software programs and data stored in the storage unit. In some embodiments of this application, the storage unit 120 can store data collected by the PPG sensor 142, ACC sensor 143, and temperature sensor 141.

[0065] The display screen 130 can be used to display information input by the user, information prompting the user, and various function menus of the smartwatch. Furthermore, a touch panel can cover the display screen 130 to form a touchscreen, which can collect user touch operations on the smartwatch 100. For example, in this embodiment, the user can turn off the active dustproof function by clicking a corresponding button on the touchscreen of the smartwatch 100. It is understood that when the touch panel detects a touch operation by the user on or near the touch panel, the touch panel can determine the type of touch event and transmit it to the microcontroller unit 110. Subsequently, the microcontroller unit 110 provides corresponding visual output on the display screen according to the type of touch event. For example, in this embodiment, the display screen 130 of the smartwatch 100 can display the above-mentioned... Figure 2 The prompt message box 211 and the close button 212 shown above enhance the human-computer interaction experience between the user and the smartwatch 100.

[0066] The interaction unit 140 is used to realize human-computer interaction between the user and the smartwatch 100, as well as interaction between other devices and the smartwatch 100. The interaction unit 140 may include the aforementioned touchscreen, and may also include a microphone, a speaker, and Bluetooth / Near Field Communication (NFC) devices. Specifically, the touchscreen enables touch operation of the smartwatch 100 and user interaction, the microphone and speaker enable voice interaction of the smartwatch 100, and the Bluetooth / NFC devices enable near field communication of the smartwatch 100.

[0067] The wireless unit 150 is used to implement the wireless communication function of the smartwatch 100. For example, the smartwatch 100 can achieve wireless communication through an antenna, a mobile communication module, a wireless communication module, a modem processor, and a baseband processor. The antenna can transmit and receive electromagnetic wave signals. The mobile communication module can provide wireless communication solutions for the smartwatch 100, including 2G / 3G / 4G / 5G. The mobile communication module can receive electromagnetic waves through the antenna 1, filter and amplify the received electromagnetic waves, and transmit them to the modem processor for demodulation. It can also amplify the signal modulated by the modem processor and convert it into electromagnetic waves for radiation through the antenna. The modem processor can include a modulator and a demodulator. The modulator is used to modulate the low-frequency baseband signal to be transmitted into a mid-to-high frequency signal. The demodulator is used to demodulate the received electromagnetic wave signal into a low-frequency baseband signal. The wireless communication module can provide solutions for wireless communication applications on the smartwatch 100, including wireless local area networks (WLAN) (such as wireless fidelity (Wi-Fi) networks) and global navigation satellite system (GNSS).

[0068] The sensor module of the smartwatch 100 includes a PPG sensor 161, a barometric pressure sensor 162, and a Hall sensor 163. Although not shown, the smartwatch 100 may also include an ambient light sensor, a temperature sensor, a gyroscope sensor, etc. The PPG sensor 161 can be electrically connected to the microcontroller unit 110 via an AFE (Active Front End) rectifier / feedback unit.

[0069] When the air pump 170 works in conjunction with the airbag 180, the pressure sensor 162, and the microcontroller unit 110, it can be used to realize the blood pressure measurement function of the smartwatch 100. For example, during the process of the air pump 170 inflating the airbag 180, the pressure sensor 162 can measure the pressure difference in the air passage connection component between the air pump 170 and the airbag 180. The microcontroller unit 110 calculates the user's blood pressure value based on the measured pressure difference and a preset blood pressure algorithm. The air pump 170 can be electrically connected to the microcontroller unit 110 through an air pump drive circuit.

[0070] In this embodiment, when the air pump 170 works in conjunction with the Hall sensor 163 and the microcontroller unit 110, it can detect when the airbag 180 is removed and blow air into the inflation port 171 to prevent dust. For details, please refer to the following description, which will not be repeated here.

[0071] A magnet 182 can be installed at one end of the airbag nozzle 181 of the airbag 180. Thus, the smartwatch 100 can detect whether the airbag 180 has been removed by detecting the voltage value when the magnet 182 is near or separated from the Hall sensor 162. In other embodiments, the smartwatch 100 can also detect whether the airbag 180 has been removed using other structures, such as electrode contacts or NFC.

[0072] The power supply 190 can be electrically connected to the microcontroller 110, Hall sensor 163, and other structures to power the various components in the smartwatch 100. The microcontroller 110 can also manage charging, discharging, and power consumption by running the power management system.

[0073] It is understood that the dustproof methods provided in this application all require detecting whether the airbag or dust cover has been removed from the watch body. To facilitate understanding of the dustproof methods provided in this application, the following description, in conjunction with the accompanying drawings, introduces how the smartwatch 100 detects whether the airbag or dust cover has been removed from the watch body based on principles such as the Hall effect.

[0074] Figure 4a A schematic diagram of the connection structure of a smartwatch 100, an airbag 180, and a dust cover 400 is shown according to an embodiment of this application.

[0075] like Figure 4a As shown, the smartwatch 100 includes a watch body 101 and a watch strap 102. An air pump 170 is provided inside the watch body 101. The air inlet 171 of the air pump 170 is located on the surface of the watch body 101 so that it can be sealed to the air nozzle 181 when the airbag 180 is installed, thereby enabling the air pump 170 to inflate the airbag 180.

[0076] It is understandable that when the airbag 180 is installed on the watch body 101 of the smartwatch 100, the smartwatch 100 can control the air pump 170 to inflate the airbag 180 to achieve the blood pressure measurement function. Specifically, one end of the airbag 180 with the airbag nozzle 181 can be installed on the watch body 101 of the smartwatch 100, while the other part of the airbag 180 can be fixed to the surface of the watch strap 102 that fits against the arm. At this time, the airbag nozzle 181 and the inflation port 171 are positioned opposite each other and sealed together, so that when measuring blood pressure, the airflow blown by the air pump 170 can enter the airbag 180 through the inflation port 171 and the airbag nozzle 181. It is understandable that during blood pressure measurement, the air pump 170 inflates the airbag 170, and the air pressure inside the airbag 180 and on the side where the inflation port 171 is located gradually increases. The pressure difference detected by the pressure sensor 162 also gradually increases. The higher air pressure in the airbag 180 increases the pressure of the airbag 180 pressing against the user's arm artery. Once the airbag 180 reaches a certain level of fullness, the smartwatch 100 can control the air pump 170 to reduce the inflation rate, maintaining the airbag 180 in its current state for a certain period. Due to the dilation or constriction of blood vessels, the surface of the airbag 180 is compressed. During this period, the pressure sensor 162 can detect the corresponding change in pressure difference and determine the user's blood pressure based on this change. The measurement interface displayed by the smartwatch 100 during blood pressure measurement can be found in the following example. Figure 4b The measurement interface 401 shown allows the smartwatch 100 to measure the user's blood pressure, which includes, for example, diastolic and systolic blood pressure, in millimeters of mercury (mmHg).

[0077] When the user does not need to use the airbag 180 to measure blood pressure, the airbag 180 can be removed. After removing the airbag 180, the user can install the dust cover 400 on the inflation port 171 of the meter body 101 to cover the inflation port 171 and prevent dust from entering the inflation port 171 and causing blockage. Therefore, refer to Figure 4a As shown, a sealing structure 410 can be provided on the dust cover 400. When the dust cover 400 is installed on the watch body 101, the sealing structure 410 on the dust cover 400 can be sealed to the air inlet 171 and cover the air inlet 171.

[0078] It is understandable that in order to detect the state of the airbag 180 being detached from the watch body 101 and separated from the smartwatch 100, i.e., in a disassembled state, reference is needed. Figure 4aAs shown, a Hall sensor 163 can be installed inside the watch body 101 of the smartwatch 100, and this Hall sensor 163 can be located near the air inlet 171. Correspondingly, a magnet 182 can be installed at the end of the air bladder 180 where the air nozzle 181 is located. When the air bladder 180 is installed on the watch body 101, the magnet 182 on the air bladder 180 can be positioned opposite the Hall sensor 163 on the watch body 101. At this time, the magnet 182 can generate a Hall effect with the Hall sensor 163, thereby causing a change in the voltage value across the Hall sensor 163. The details will be described in detail below with reference to the circuit diagram, and will not be repeated here.

[0079] Similarly, refer to Figure 4a As shown, a magnet 420 can also be installed on the dust cover 400. When the dust cover 400 is installed on the meter body 101, the magnet 420 on the dust cover 400 can be positioned opposite the Hall sensor 163 on the meter body 101. At this time, the magnet 420 can generate a Hall effect with the Hall sensor 163, thereby causing a change in the voltage value across the Hall sensor 163. The details will be described in detail below with reference to the circuit schematic diagram, and will not be repeated here.

[0080] It is understandable that the magnetic force of the magnet 182 on the airbag 180 and the magnet 420 on the dust cover 400 can be different, so that the microprocessor unit 110 of the smartwatch 100 can identify whether the airbag 180 or the dust cover 400 is installed based on the difference in voltage values ​​detected when the airbag 180 or the dust cover 400 is in the installation state.

[0081] Figure 5 An embodiment of this application illustrates a schematic diagram of the principle of voltage change based on the Hall effect phenomenon.

[0082] As can be understood, the Hall effect is a type of electromagnetic effect. When a current passes through a semiconductor perpendicular to an external magnetic field, the charge carriers are deflected, and an additional electric field is generated perpendicular to both the current and the magnetic field, thus creating a potential difference across the semiconductor. This phenomenon is the Hall effect, and this potential difference is also called the Hall potential difference. In this embodiment, this Hall potential difference can cause the voltage across the Hall sensor 163 to increase, exceeding a preset voltage threshold.

[0083] like Figure 5 As shown in the left figure, when the airbag 182 or dust cover 400 is installed, the magnet 182 approaches the Hall sensor 163, generating the Hall effect. This causes the voltage across the Hall sensor 163 to increase, so the miniature voltmeter in the circuit containing the Hall sensor 163 can detect a larger voltage value, for example, the detected voltage value V1 > V. k V kIt is a preset voltage threshold, which can be, for example, a voltage value between the voltage values ​​detected by the micro voltmeter before and after the Hall effect, or other reasonably set voltage values, without limitation here.

[0084] like Figure 5 As shown in the right figure, when the airbag 182 or dust cover 400 is in the removed state, the magnet 182 is away from the Hall sensor 163, the Hall effect disappears, and the voltage across the Hall sensor 163 decreases. Therefore, the miniature voltmeter in the circuit where the Hall sensor 163 is located can detect a small voltage value, for example, the detected voltage value V2 < V. k .

[0085] Therefore, the smartwatch 100 can determine whether the airbag 180 or the dust cover 400 has been removed from the watch body 101 by detecting whether the voltage when the airbag 180 is installed or removed exceeds a preset voltage threshold.

[0086] In other embodiments, the smartwatch 100 can also detect whether the airbag 180 or the dust cover 400 has been removed by other means, such as by the on / off state of electrode contacts, or by contact sensors, or by Bluetooth or NFC connection.

[0087] As an example, Figures 6a to 6c The diagram shows a circuit schematic for detecting whether the airbag 180 or dust cover 400 has been removed by means of the continuity of electrode contacts.

[0088] refer to Figure 6a As shown, for example, the smartwatch 100 has electrode contacts 610 on its body 101 for connecting resistors, and the body 101 also has... Figure 6a The detection circuit shown detects the voltage across electrode contact 610 using a miniature voltmeter. Correspondingly, a resistor 620 is positioned at a corresponding location on the airbag 180 or dust cover 400. When the airbag 180 or dust cover 400 is installed, the resistor 620 is connected to electrode contact 610, the circuit is open, and the voltage across electrode contact 610 detected by the miniature voltmeter is the voltage across resistor 620, denoted as V3. When the airbag 180 or dust cover 400 is removed, the resistor 620 is disconnected from electrode contact 610, the circuit is closed, and the voltage across electrode contact 610 detected by the miniature voltmeter is the power supply voltage, denoted as V4. It can be understood that V3 < V4. That is, if the smartwatch 100 sets a voltage threshold V between V3 and V4... k That is, V3 < V k1 <V4, then based on Figure 6aThe circuit diagram shown illustrates that the microcontroller unit 110 of the smartwatch 100 can connect the detected voltage value across the electrode contact 610 with V... k1 Compare the two to determine whether the airbag 180 or dust cover 400 has been removed.

[0089] refer to Figure 6b As shown, for example, the smartwatch 100 has electrode contacts 610 on its body 101 for connecting resistors, and the body 101 also has... Figure 6b The detection circuit shown includes a fixed resistor 630 and a galvanometer. The circuit containing the fixed resistor 630 is connected in parallel with the circuit containing the electrode contact 610. The galvanometer can be used to detect the current value on the main circuit. When the airbag 180 or dust cover 400 is installed, the two ends of resistor 620 are connected to the electrode contact 610, the circuit is conducting, and resistor 620 is connected in parallel with resistor 630. At this time, the current value detected by the galvanometer is I1. When the airbag 180 or dust cover 400 is removed, the two ends of resistor 620 are removed from the electrode contact 610, the circuit is broken, and the current value detected by the galvanometer is I2. It can be understood that since the resistance value of resistor 620 and resistor 630 connected in parallel is less than the resistance value of resistor 630, I1 > I2. That is to say, if the smartwatch 100 sets a current threshold I between I1 and I2, the current value will be greater than I2. k , that is, 11>I k >I2, then based on Figure 6b The circuit diagram shown illustrates that the microcontroller unit 110 of the smartwatch 100 can connect the detected current value with I... k Compare the two to determine whether the airbag 180 or dust cover 400 has been removed.

[0090] refer to Figure 6c As shown, for example, the smartwatch 100 has electrode contacts 610 on its body 101 for connecting resistors, and the body 101 also has... Figure 6c The detection circuit shown detects the current value in the circuit where electrode contact 610 is located, for example, using a galvanometer. Correspondingly, a resistor 620 is provided at a corresponding position on the airbag 180 or dust cover 400. When the airbag 180 or dust cover 400 is installed, the two ends of resistor 620 are connected to electrode contact 610, the circuit is open, and the galvanometer detects a current value I1. When the airbag 180 or dust cover 400 is removed, the two ends of resistor 620 are disconnected from electrode contact 610, the circuit is closed, and the galvanometer detects a current value I2. It can be understood that I3 > I4, where the value of I4 may be 0 or a small current value preset on the galvanometer, which is not limited here. That is, if the smartwatch 100 sets a voltage threshold I between I3 and I4... k1 That is, I3 > Ik1 >I4, then if based on Figure 6c The circuit diagram shown illustrates that the microcontroller unit 110 of the smartwatch 100 can connect the detected current value with I... k1 Compare the two to determine whether the airbag 180 or dust cover 400 has been removed.

[0091] In other embodiments, the watch body 101 of the smartwatch 100 may also have a different configuration than described above. Figures 6a to 6c Other forms of detection circuits shown, which determine whether the airbag 180 or dust cover 400 has been removed by detecting changes in voltage or current through components such as miniature voltmeters or ammeters, are not limited here.

[0092] It is understandable that, in the above Figures 6a to 6c In the circuit principle shown for detecting whether the airbag 180 or the dust cover 400 is removed by means of the continuity of the electrode contacts, the resistance value of the resistor 620 set on the airbag 180 and the resistance value of the resistor 620 set on the dust cover 400 can be different. In this way, the microprocessor unit 110 of the smartwatch 100 can identify whether the airbag 180 or the dust cover 400 is installed based on the difference in the different voltage or current values ​​detected when the airbag 180 or the dust cover 400 is installed.

[0093] Based on the above Figure 1 , Figure 3 as well as Figure 4a The structure shown includes the smartwatch 100, airbag 180, dust cover 400, etc. Figure 5 , Figures 6a to 6c The principle of detecting whether the airbag or dust cover has been removed is shown below. The specific implementation process of the dustproof method provided in this application will be introduced through different embodiments.

[0094] The following example 1 illustrates the specific implementation process by which the smartwatch 100 determines whether it has entered active dust protection mode and reminds the user to install the dust cover or airbag in a timely manner by recognizing whether the airbag or dust cover has been removed from the inflation port.

[0095] Example 1

[0096] In this embodiment of the application, the smartwatch 100 can activate the dustproof function in a timely manner when the airbag or dust cover is removed, and remind the user to install the airbag or dust cover as soon as possible, thereby reducing the risk of dust contamination of the inflation port, avoiding blockage of the inflation port and air passage components, and thus reducing the probability of malfunction of the blood pressure measurement function of the smartwatch 100.

[0097] Figure 7A schematic diagram illustrating the implementation process of a dust prevention method is shown according to an embodiment of this application. It can be understood that, in this embodiment of the application, Figure 7 The process illustrated is executed primarily by the smartwatch 100, specifically through its microcontroller unit 110, barometric pressure sensor 162, and air pump 170. The following section will describe... Figure 7 When describing each step of the process, the executing entity of each step will not be described again.

[0098] like Figure 7 As shown, the process includes the following steps:

[0099] 701: An airbag or dust cover has been detected to have been removed from the watch body.

[0100] For example, refer to the above Figure 3 As shown in the structure, a Hall sensor 163 is installed inside the watch body 101 of the smartwatch 100, and a magnet 182 can be installed inside the airbag 180. The smartwatch 100 can detect whether the airbag 180 has been detached from the watch body by detecting the change in voltage across the Hall sensor 163 through the Hall effect generated by the magnet 182 and the circuit containing the Hall sensor 163.

[0101] Specifically, the process by which the smartwatch 100 detects whether the airbag or dust cover has been removed from the watch body based on the Hall effect and other methods can be found in the above text. Figure 5 as well as Figures 6a to 6c The descriptions shown and related information will not be repeated here.

[0102] 702: Start the air pump with a preset duty cycle to blow air into the inflation port to prevent dust.

[0103] For example, refer to the above Figure 1 As shown in the structure, when the smartwatch 100 detects that the airbag 180 has detached from the watch body, the microprocessor unit 110 can control the air pump 170 to start, and start the air pump with a preset duty cycle. The air pump can then blow air at a certain blowing rate. At this time, the airbag 180 has been detached from the watch body, the inflation port 171 is separated from the airbag nozzle 181, and the airflow generated by the air pump 170 is blown outward from the inflation port 171. At this time, dust will not fall into the inflation port 171, thus achieving the purpose of preventing dust from entering the inflation port. It can be understood that during the blood pressure measurement process of the smartwatch 100, the duty cycle of the air pump is between 5% and 20%, so the aforementioned preset duty cycle can be set to any value between 5% and 20%.

[0104] Duty ratio (DR) refers to the proportion of the energized time to the total time within a pulse cycle, also known as duty degree or duty factor.

[0105] In this embodiment, the preset duty cycle can be an optimal value determined experimentally. It is understood that at a given operating frequency, the higher the duty cycle of the air pump, the higher the blowing rate and the greater the power consumption of the air pump. Therefore, when the air pump starts at a preset duty cycle, the corresponding blowing rate can blow dust away from the air inlet 171 by a certain distance, thereby achieving the purpose of dust prevention. The preset duty cycle can be, for example, 5% or other reasonable preset values, and is not limited here.

[0106] 703: The interface indicates that active dust prevention has been enabled and reminds the user to install the airbag or dust cover in time to avoid dust contamination of the inflation port.

[0107] For example, when the smartwatch 100 detects that the airbag 180 has been removed from the watch body, it can also display corresponding prompt information on the display screen 130 of the smartwatch 100 during the execution of the above step 702, so as to remind the user to install the airbag or dust cover in time.

[0108] The interface for displaying notification messages on the smartwatch 100 can be referenced above. Figure 2 As shown, the reminder interface 210 displayed on the smartwatch 100 shows a prompt message box 211 and a close button 212. The prompt message displayed in the prompt message box 211 may be, for example, "Active dustproof function has been turned on. Please install the airbag or dust cover in time to avoid dust pollution." Users can also click the close button 212 to close the prompt message box 211.

[0109] 704: Airbag or dust cover detected.

[0110] For example, after seeing the prompt message displayed by the smartwatch 100, the user can install the airbag or dust cover onto the watch body. At this time, the smartwatch 100 can detect that the airbag or dust cover is installed through the Hall effect or other principles. The specific process by which the smartwatch 100 detects whether the airbag or dust cover is installed using the Hall effect or other principles can be referenced to the process described above regarding the smartwatch 100's detection of whether the airbag or dust cover has been removed from the watch body based on principles such as the Hall effect. Figure 5 as well as Figures 6a to 6c The descriptions and related information shown will not be repeated here.

[0111] The smartwatch 100 can identify whether an airbag or a dust cover is installed by the marking information set on the airbag or dust cover; it can also distinguish between airbags and dust covers by differentiating the magnetic strength or resistance of the magnet 182 set on the airbag or dust cover, so that the smartwatch 100 can identify whether an airbag or a dust cover is installed based on the detected voltage value, without any limitation.

[0112] 705: The interface indicates that the airbag or dust cover has been installed and active dust protection has been deactivated.

[0113] For example, when the smartwatch 100 detects that the airbag or dust cover has been installed, it can display a corresponding prompt on its display screen 130 to inform the user of the installed status. At this time, the smartwatch 100 can control the air pump 170 to stop working and exit the active dust protection mode.

[0114] It is understandable that if the user installs the airbag or dust cover on the watch body after seeing the prompt message displayed by the smartwatch 100, but the smartwatch 100 does not display a corresponding prompt message indicating that the airbag or dust cover is installed, it means that the airbag or dust cover may not be installed properly.

[0115] As an example, Figure 8 According to an embodiment of this application, a schematic diagram of an interface is shown in which a smartwatch 100 notifies a user that an airbag or dust cover has been installed. As described above. Figure 5 as well as Figures 6a to 6c As described, the microprocessor unit 110 of the smartwatch 100 can identify whether the airbag 180 or the dust cover 400 is installed based on the differences in voltage or current values ​​detected when the airbag 180 or the dust cover 400 is in the installed state.

[0116] like Figure 8 As shown in (a), the reminder interface 810 displayed by the smartwatch 100 includes a notification box 811 and a close notification button 812. The notification box 811 may display content such as "airbag installed". The user can click the close notification button 812 on the reminder interface 810 to close the notification box 811.

[0117] like Figure 8 As shown in (b), the reminder interface 820 displayed by the smartwatch 100 includes a notification box 821 and a close notification button 822. The notification box 821 may display content such as "dust cover installed". The user can click the close notification button 822 on the reminder interface 820 to close the notification box 821.

[0118] As described above, this application embodiment specifically describes the process by which the smartwatch 100, upon recognizing the removal of the airbag or dust cover, can activate the active dustproof function and enter an active dustproof state, turning on the air pump to blow air into the air inlet to prevent dust accumulation. The following embodiment describes the specific implementation process of the smartwatch 100, upon recognizing the removal of the airbag or dust cover, first determining whether active dustproofing is necessary, and then performing dustproofing based on the determination result.

[0119] Example 2

[0120] In this embodiment, the smartwatch 100, by implementing the dustproof method provided in this embodiment, can first determine whether to activate the dustproof function based on preset judgment conditions when the airbag or dust cover is removed; then, if the dustproof function is confirmed to be activated based on the judgment result, the air pump is activated to blow air into the air inlet to achieve the dustproof purpose. This avoids the smartwatch 100 frequently entering active dustproof mode, i.e., frequently activating the air pump, which would increase the power consumption of the smartwatch 100 and may accelerate the wear and tear of components such as the air pump.

[0121] Figure 9 A schematic diagram illustrating the implementation process of another dust prevention method is shown in the embodiments of this application. It can be understood that, in the embodiments of this application, Figure 9 The process illustrated is executed primarily by the smartwatch 100, specifically through its microcontroller unit 110, barometric pressure sensor 162, and air pump 170. The following section will describe... Figure 9 When describing each step of the process, the executing entity of each step will not be described again.

[0122] like Figure 9 As shown, the process includes the following steps:

[0123] 901: An airbag or dust cover has been detected to have been removed from the watch body.

[0124] This step is the same as step 701 in embodiment 1 above. The specific execution process can be referred to the relevant description in step 701 above, and will not be repeated here.

[0125] 902: Determine whether the conditions for active dust prevention are met. If the determination result is yes, that is, the conditions for active dust prevention are met, then continue to execute the following step 903 to perform active dust prevention; if the determination result is no, that is, the conditions for active dust prevention are not met, then execute the following step 907 to end this process.

[0126] For example, in step 901 above, referring to the relevant description in step 701 of embodiment 1 above, when the airbag or dust cover is removed from the watch body, the microcontroller unit 110 of the smartwatch 100 can determine that the airbag or dust cover has been removed based on the Hall effect phenomenon when the detected voltage value decreases, for example, to below a preset voltage threshold. At this time, the microcontroller unit 110 of the smartwatch 100 can determine whether to perform active dust protection based on preset active dust protection conditions. This condition may be, for example, a time threshold judgment condition.

[0127] As an example, the smartwatch 100 may have a preset lower time threshold for the interval between two active dust protection processes. The microcontroller unit 110 of the smartwatch 100 can calculate the time interval between the moment the airbag or dust cover is detected as removed and the moment the active dust protection function was last activated. If the microcontroller unit 110 determines that this time interval is greater than the preset lower time threshold, it can determine that the conditions for active dust protection are met; if the microcontroller unit 110 determines that this time interval is less than or equal to the preset lower time threshold, it can determine that the conditions for active dust protection are not met.

[0128] In other embodiments, the time threshold judgment condition set by the smartwatch 100 can also be a certain moment in the previous or other historical dustproof records as the starting time for calculating the time interval. For example, the moment when the active dustproof function is turned on, the moment when active dustproof ends, or a certain moment during active dustproof, etc., can be used as the starting time for calculating the time interval. In this case, the microcontroller unit 110 of the smartwatch 100 can calculate the time interval between the moment when the airbag or dustproof cover is detected to have been removed and the starting time, and determine whether the time interval is greater than a preset lower limit time threshold to determine whether to perform active dustproof. No restrictions are imposed here.

[0129] In other embodiments, the time threshold judgment condition set by the smartwatch 100 may also be the moment when the airbag or dust cover was detected to be removed or installed in the previous or other historical detection records, or a certain moment after the airbag or dust cover has been removed or installed for a certain period of time, etc., as the starting calculation time of the time interval. In this case, the microcontroller unit 110 of the smartwatch 100 can calculate the time interval between the moment when the airbag or dust cover was detected to be removed and the starting calculation time, and determine whether the time interval is greater than a preset lower limit time threshold, so as to determine whether to perform active dust protection. No limitation is made here.

[0130] In other embodiments, the preset conditions for active dust prevention may be other conditions besides the time threshold, which are not limited here.

[0131] It's understandable that setting conditions for whether or not to perform active dust protection on the smartwatch 100 can prevent it from frequently performing active dust protection, and consequently, from frequently activating the air pump. This, to some extent, can save energy and reduce power consumption for the smartwatch 100. For example, if the smartwatch 100 detects that the user is frequently removing and installing airbags or dust covers, it can determine, based on preset time threshold rules, whether the time elapsed since the detection of the airbag or dust cover meets the time threshold condition. If not, active dust protection can be temporarily suspended.

[0132] 903: Start the air pump with the preset duty cycle to blow air into the air inlet to prevent dust.

[0133] This step is the same as step 702 in embodiment 1 above. The specific execution process can be referred to the relevant description in step 702 above, and will not be repeated here.

[0134] 904: The interface indicates that active dust prevention has been activated and reminds the user to install the airbag or dust cover in time to avoid dust contamination of the inflation port.

[0135] This step is the same as step 703 in embodiment 1 above. The specific execution process can be referred to the relevant description in step 703 above, and will not be repeated here.

[0136] 905: Airbag or dust cover detected.

[0137] This step is the same as step 704 in embodiment 1 above. The specific execution process can be referred to the relevant description in step 704 above, and will not be repeated here.

[0138] 906: The interface indicates that the airbag or dust cover has been installed and active dust protection has been deactivated.

[0139] This step is the same as step 705 in embodiment 1 above. The specific execution process can be referred to the relevant description in step 705 above, and will not be repeated here.

[0140] 907: End of this process.

[0141] As described above, this application embodiment specifically describes the process by which the smartwatch 100, upon detecting the removal of the airbag or dust cover, first determines whether active dust protection is needed, and then performs dust protection based on the determination result. The following embodiment describes how, when the smartwatch 100 performs active dust protection, it can determine appropriate unblocking measures based on the detected air pressure difference to address different degrees of blockage, such as prompting the user to go to after-sales service for cleaning via the interface.

[0142] Example 3

[0143] In this embodiment, by implementing the dustproof method provided in this embodiment on the smartwatch 100, active dustproofing is achieved when the airbag or dust cover is removed. Simultaneously, the smartwatch 100 determines whether the air passage is blocked and the degree of blockage based on the air pressure difference detected. Based on the detected air pressure difference, the smartwatch 100 can control and take clearing measures corresponding to different degrees of blockage to clear the air passage. For example, if the air passage is severely blocked or a large air pressure difference angle is detected, the user is prompted to go to after-sales service for cleaning. This allows users to promptly detect air passage blockages while using the smartwatch 100 and take appropriate action based on the prompts, thereby avoiding problems such as obstructed air pump inflation of the airbag and malfunctions in the blood pressure measurement function caused by air passage blockage.

[0144] Figure 10 A schematic diagram illustrating the implementation process of another dust prevention method is shown in the embodiments of this application. It can be understood that, in the embodiments of this application, Figure 10 The process illustrated is executed primarily by the smartwatch 100, specifically through its microcontroller unit 110, barometric pressure sensor 162, and air pump 170. The following section will describe... Figure 10 When describing each step of the process, the executing entity of each step will not be described again.

[0145] like Figure 10 As shown, the process includes the following steps:

[0146] 1001: An airbag or dust cover has been detected to have been removed from the watch body.

[0147] This step is the same as step 701 in embodiment 1 above. The specific execution process can be referred to the relevant description in step 701 above, and will not be repeated here.

[0148] 1002: Start the air pump with the preset duty cycle to blow air into the air inlet to prevent dust.

[0149] This step is the same as step 702 in embodiment 1 above. The specific execution process can be referred to the relevant description in step 702 above, and will not be repeated here.

[0150] 1003: Detect the air pressure difference between the two ends of the air path from the air pump to the inflation port, and determine whether the air pressure difference exceeds the preset air pressure difference threshold. If the result is yes, it indicates that there is a blockage at the inflation port or in the air path connection component, and step 1005 below needs to be executed to determine the degree of blockage and take corresponding unblocking measures; if the result is no, it indicates that the air port or in the air path connection component is unobstructed and will not affect the air pump 170 inflating the airbag after the airbag 180 is installed. At this time, step 1004 can be executed to keep the air pump 170 working at the current duty cycle and continue dust removal.

[0151] For example, refer to the above Figure 1 As shown in the structure, the air pump 170 inside the smartwatch 100 is connected to the inflation port 171 via an air passage component. When the inflation port 171 is connected to the airbag nozzle 181, the air pump 170 operates to inflate the airbag 180. (Reference) Figure 1 As shown, the pressure sensor 162 can be installed on and connected to the airway connection assembly. The location of the pressure sensor 162 allows for the measurement of blood pressure by detecting the pressure difference across the airway, or for detecting blockages in the airway passage during active dust prevention when the airbag 180 is removed. It can be understood that a larger pressure difference detected by the pressure sensor 162 indicates a more severe blockage at the inflation port or within the airway connection assembly.

[0152] It is understandable that the process of detecting the pressure difference between the two ends of the air passage through the air pressure sensor 162 can last for 2 seconds or 3 seconds, or other reasonable durations, to ensure the stability and accuracy of the detection results, and no restrictions are imposed here.

[0153] It is understood that the preset air pressure difference threshold can be a single threshold or multiple thresholds. If the preset air pressure difference threshold is a single threshold, the unblocking measures taken by the smartwatch 100 when performing step 1005 below could be, for example, prompting the user to go to the after-sales service center for unblocking and ending the dustproofing process. If the preset air pressure difference threshold is multiple thresholds, the smartwatch 100 can compare the detected air pressure difference with each of the preset thresholds and determine which threshold range the detected air pressure difference falls within. Then, when performing step 1005 below, it can adopt unblocking measures corresponding to the corresponding pressure difference threshold range for unblocking, such as controlling the air pump to blow air to unblock or prompting the user to go to the after-sales service center for unblocking through the interface. For details, please refer to the relevant description in step 1005 below, which will not be repeated here.

[0154] 1004: Control the air pump to maintain the current duty cycle and continue dust prevention.

[0155] For example, in step 1003 above, the smartwatch 100 determines that the air pressure difference detected by the air pressure sensor 162 does not exceed a preset first preset value, indicating that the air inlet or the air passage connection component is unobstructed. At this time, the smartwatch 100 can control the air pump to maintain the current duty cycle and continue to work to perform active dust prevention.

[0156] 1005: Determine the unblocking measures corresponding to the detected air pressure difference and perform unblocking treatment. These unblocking measures may include unblocking at a preset air blowing rate corresponding to different air pressure difference ranges, or prompting the user through the interface to go to the after-sales service center for unblocking and ending the dust protection process.

[0157] In some embodiments, the preset air pressure difference threshold can be a certain value. For example, if the preset air pressure difference threshold is 10 mmHg, when the smartwatch 100 determines in step 1003 that the detected air pressure difference exceeds 10 mmHg, it indicates that there is a blockage at the air inlet or in the air passage connection component. In this case, this step can be executed to prompt the user through the interface to go to the after-sales service center for unblocking and end the dustproofing process.

[0158] In other embodiments, the preset air pressure difference threshold can also be multiple air pressure difference thresholds (i.e., multiple thresholds). In this case, the microcontroller unit 110 of the smartwatch 100 can compare the currently detected air pressure difference with the multiple preset thresholds and determine the unblocking measures corresponding to the detected air pressure difference. For example, it can control the increase of the duty cycle corresponding to the detected air pressure difference to increase the blowing rate, so as to clear the blockage of the corresponding degree. This is not limited here. In this way, it can avoid the situation where the air pump operates at a large duty cycle when the air passage is only slightly blocked, which helps to save the energy consumption of the smartwatch 100.

[0159] For example, if the smartwatch 100 has two preset air pressure difference thresholds of 5 mmHg and 10 mmHg, then when the smartwatch 100 determines in step 1003 that the detected air pressure difference exceeds 5 mmHg but does not exceed 10 mmHg, the smartwatch 100 can control to increase the duty cycle of the air pump 170, increasing the blowing rate from the current rate to a higher rate to clear the blockage in the airway. When the detected air pressure difference exceeds 10 mmHg, the smartwatch 100 can control to display a prompt interface, such as a message on the display screen 130, prompting the user to go to an after-sales service center for cleaning, and control to shut down the air pump 170 to end the dustproofing process. This can reduce the power consumption of the air pump to some extent.

[0160] It is understandable that there can be three or more preset air pressure difference thresholds; this is not a limitation. The threshold range between two adjacent thresholds can correspond to a certain level of blockage clearing measure. The larger the air pressure difference detected by the smartwatch 100, the more severe the blockage.

[0161] It is understandable that when the smartwatch 100 detects a slight or varying degree of blockage at the air inlet or within the air passage conduit, it can increase the airflow rate by controlling and increasing the duty cycle of the air pump at its current operating frequency, thereby clearing the air passage. In other embodiments, the smartwatch 100 can also increase the airflow rate and clear the air passage by controlling and increasing both the operating frequency and duty cycle of the air pump. No limitation is imposed here.

[0162] Figure 11 An embodiment of this application illustrates an interface diagram indicating severe blockage in the gas passage.

[0163] like Figure 11 As shown, the screen of the smartwatch 100 displays a reminder interface 1110, which includes a prompt message box 1111. The prompt message displayed in the prompt message box 1111 may be, for example, "The air passage is severely blocked. Please go to the after-sales service for cleaning as soon as possible," to remind the user that the air passage of the smartwatch 100 is severely blocked and needs to be cleaned.

[0164] Continue as Figure 11 As shown, the notification interface 1110 displayed by the smartwatch 100 also includes a notification off button 1112. Users can click this notification off button 1112 on the notification interface 1110 of the smartwatch 100 to close the information notification box 1111. After the user goes to after-sales service to have the air passages inside the smartwatch 100 cleaned, the smartwatch 100 can then normally execute the steps of the dustproof method provided in this application embodiment.

[0165] It is understood that the dustproof method provided in this application embodiment can determine corresponding unblocking measures to clear airway blockages based on the detected air pressure difference when the airbag or dust cover is removed. For example, in cases of severe blockage or a large detected air pressure difference, the interface can prompt the user to go to after-sales service for cleaning. This allows users to promptly detect and address airway blockages when using wearable devices with blood pressure measurement functions, such as the smartwatch 100, thereby avoiding problems such as obstructed air pump inflation of the airbag or even malfunctions in the blood pressure measurement function due to airway blockage.

[0166] It is understood that in some embodiments, the dustproof methods provided in Embodiment 1 and Embodiment 3 of this application can be implemented simultaneously on wearable devices with blood pressure measurement functions, such as smartwatches 100. Alternatively, the dustproof methods provided in Embodiments 1 and 2 can be implemented simultaneously on electronic devices such as smartwatches 100. Furthermore, the dustproof methods provided in Embodiments 1, 2, and 3 can also be implemented simultaneously on smartwatches 100. The dustproof methods provided in Embodiments 1, 2, and 3 can also be implemented on smartwatches 100, and will not be elaborated upon here.

[0167] In this specification, the reference to "an embodiment" or "an embodiment" means that a specific feature, structure, or characteristic described in connection with the embodiment is included in at least one exemplary implementation or technology disclosed according to an embodiment of this application. The appearance of the phrase "in an embodiment" in various places in the specification does not necessarily refer to the same embodiment.

[0168] The disclosure of embodiments of this application also relates to means for performing operations in text. This means may be specifically constructed for the claimed purpose or may include a general-purpose computer selectively activated or reconfigured by a computer program stored in a computer. Such a computer program may be stored on a computer-readable medium, such as, but not limited to, any type of disk, including floppy disks, optical disks, CD-ROMs, magneto-optical disks, read-only memory (ROM), random access memory (RAM), EPROM, EEPROM, magnetic or optical cards, application-specific integrated circuits (ASICs), or any type of medium suitable for storing electronic instructions, and each may be coupled to a computer system bus. Furthermore, the computer mentioned in the specification may include a single processor or may employ an architecture involving multiple processors for increased computing power.

[0169] Furthermore, the language used in this specification has been primarily chosen for readability and instructional purposes and may not have been selected to describe or limit the disclosed subject matter. Therefore, the embodiments disclosed in this application are intended to illustrate, and not limit, the scope of the concepts discussed herein.

Claims

1. A dustproof method applied to electronic devices, characterized in that, The electronic device includes a first part and a second part. The first part includes an inflation device, an air channel, and a detection circuit. The second part includes a second element capable of causing a change in electrical parameters on the detection circuit. The detection circuit includes a first detection element for detecting changes in electrical parameters, and the detection circuit identifies the state of the second part being connected to or disconnected from the first part based on the cooperation between the first detection element and the second element. The second part is detachably connected to the air inlet of the air guide channel; The method includes: A change in a first electrical parameter of the detection circuit is detected and the change satisfies a first preset condition, wherein the first preset condition corresponds to the state in which the second part is separated from the first part. Control the inflation device to blow air into the inflation port of the air guide channel; A change in the second electrical parameter of the detection circuit is detected and the change satisfies a second preset condition, wherein the second preset condition corresponds to the state in which the second part is connected to the first part; Control the inflation device to stop blowing air into the inflation port of the air guide channel.

2. The method according to claim 1, characterized in that, The electronic device further includes a third part, which is connected to the first part by covering the air inlet of the air channel, and the third part includes a third element capable of causing a change in electrical parameters on the detection circuit. and, The method includes: A change in a third electrical parameter of the detection circuit is detected and the change satisfies a third preset condition, wherein the third preset condition corresponds to the state in which the third part is connected to the first part; Control the inflation device to stop blowing air into the inflation port of the air guide channel.

3. The method according to claim 2, characterized in that, The method further includes: A change in the fourth electrical parameter of the detection circuit is detected and the change satisfies a fourth preset condition, wherein the fourth preset condition corresponds to the state in which the third part is separated from the first part; Control the inflation device to blow air into the inflation port of the air guide channel.

4. The method according to claim 3, characterized in that, The method further includes: Display a first prompt interface, wherein the first prompt interface is used to prompt the user that the second part has detached from the first part, or to prompt the user that the third part has detached from the first part.

5. The method according to claim 1, characterized in that, The detection circuit includes a Hall sensor, and the first detection element is a first voltage detection element or a first current detection element, wherein the first voltage detection element is connected to both ends of the Hall sensor. The second element is a magnet.

6. The method according to claim 5, characterized in that, The first electrical parameter includes a voltage value or a current value; and, The first preset conditions include: The first voltage detection element detects that the first voltage value across the Hall sensor is less than the first voltage threshold; or, The first current detection element detects that the first current value on the detection circuit is less than the first current threshold.

7. The method according to claim 6, characterized in that, The second electrical parameter includes a voltage value or a current value; and, The second preset condition includes: The first voltage detection element detects that the second voltage value across the Hall sensor is greater than the first voltage threshold; or, The first current sensing element detects that the second current value on the detection circuit is greater than the first current threshold.

8. The method according to claim 1, characterized in that, The first detection element is a second voltage detection element or a second current detection element, and the second element is a first resistor; and When the second part and the first part are connected, the first resistor is connected to the detection circuit and the detection circuit is in a closed state. When the second part is disconnected from the first part, the detection circuit is in an open circuit state.

9. The method according to claim 8, characterized in that, The first electrical parameter includes a voltage value or a current value; and, The first preset conditions include: The second voltage detection element detects that the second voltage value between the connection points in the detection circuit used to connect the first resistor is greater than the second voltage threshold. or, The second current sensing element detects that the second current value on the detection circuit is less than the second current threshold.

10. The method according to claim 9, characterized in that, The second electrical parameter includes a voltage value or a current value; Furthermore, the second preset condition includes: The second voltage detection element detects that the second voltage value between the connection points in the detection circuit used to connect the first resistor is less than the second voltage threshold. or, The second current sensing element detects that the second current value on the detection circuit is greater than the second current threshold.

11. The method according to claim 1, characterized in that, The detection circuit includes a second resistor, the first detection element is a third current element, and the second element is a third resistor; and When the second part and the first part are connected, the third resistor is connected to the detection circuit, and the circuit containing the third resistor and the circuit containing the second resistor form a parallel circuit. When the second part is disconnected from the first part, the circuit containing the third resistor is disconnected and the detection circuit is turned on through the second resistor.

12. The method according to claim 11, characterized in that, The first electrical parameter includes the current value; and, The first preset conditions include: The third current detection element detects that the third current value on the main circuit of the detection circuit is less than the third current threshold.

13. The method according to claim 12, characterized in that, The second electrical parameter includes the current value; and, The second preset condition includes: The third current detection element detects that the third current value on the main circuit of the detection circuit is greater than the third current threshold.

14. The method according to claim 1, characterized in that, The control of the inflation device to blow air into the inflation port of the air guide channel includes: The inflation device is started with preset first operating parameters and air is blown into the inflation port of the air guide channel, wherein the first operating parameters include a first duty cycle.

15. The method according to claim 14, characterized in that, The first part includes a first pressure detection element connected to the air guide channel, and the method includes: During the process of controlling the inflation device to blow air into the inflation port of the air guide channel, the first air pressure difference between the two ends of the air guide channel is detected by the first air pressure detection element. If the first pressure difference is greater than the preset first pressure difference threshold, the operating parameters of the inflation device are adjusted, or the inflation device is controlled to stop blowing air into the inflation port of the air guide channel and the user is reminded to manually clear the blockage.

16. The method according to claim 14, characterized in that, The first part includes a second air pressure detection element connected to the air guide channel, and the method includes: During the process of controlling the inflation device to blow air into the inflation port of the air guide channel, the second air pressure detection element detects the second air pressure difference between the two ends of the air guide channel; If the second pressure difference is greater than a preset second pressure difference threshold and less than a preset third pressure difference threshold, then the inflation device is controlled to operate with a second operating parameter and blow air into the inflation port of the air guide channel, wherein the second operating parameter includes a second duty cycle and the second duty cycle is greater than the first duty cycle; If the second pressure difference is greater than the third pressure difference threshold, the inflation device is controlled to stop blowing air into the inflation port of the air guide channel and a second prompt interface is displayed, wherein the second prompt interface is used by the user to manually clear the blockage.

17. The method according to claim 1, characterized in that, The method further includes: At the current moment, a change is detected in the first electrical parameter of the detection circuit and the change satisfies a first preset condition; The first time interval between the last time the second part detached from the first part, the last time the inflation device blew air into the inflation port of the air channel, and the last time the inflation device stopped blowing air into the inflation port of the air channel, and the current time. Determine that the first time interval exceeds a preset time interval threshold; Based on the judgment result, the inflation device is controlled to blow air into the inflation port of the air guide channel.

18. The method according to any one of claims 1 to 17, characterized in that, The second part is the airbag.

19. The method according to any one of claims 2 to 4, characterized in that, The third part is a dust cover.

20. An electronic device, characterized in that, include: One or more processors; One or more memories; the one or more memories storing one or more programs, which, when executed by the one or more processors, cause the electronic device to perform the dustproof method according to any one of claims 1 to 19.

21. A computer-readable storage medium, characterized in that, The storage medium stores instructions that, when executed on a computer, cause the computer to perform the dustproof method according to any one of claims 1 to 19.

22. A computer program product, characterized in that, Includes a computer program / instruction that, when executed by a processor, implements the dustproof method according to any one of claims 1 to 19.

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