Wearable device and charging connection detection method thereof

Abstract

The application discloses a wearable device, comprising: a pogo pin interface for accessing a pogo pin charging seat; a battery electrically connected to the pogo pin interface; a detection unit electrically connected to the battery and the pogo pin interface, for performing charging protocol communication with an external charging device when detecting that the pogo pin charging seat accesses the external charging device, so that the external charging device outputs voltage / current according to the protocol content; and a processing unit electrically connected to the detection unit, the pogo pin interface and the battery, for acquiring a current voltage of the battery, and judging a charging mode of the battery according to the current voltage; and for acquiring an output voltage of the pogo pin charging seat and an input voltage of the pogo pin interface, and comparing the output voltage with the input voltage, and judging whether the pogo pin interface and the pogo pin charging seat are normally connected according to a comparison result and the charging mode. The application also discloses a charging connection detection method. Therefore, whether the charging connection is normal can be detected in time, and user experience is improved.

Description

Technical Field

[0001] This application relates to the field of charging technology, and in particular to a wearable device and a method for detecting its charging connection. Background Technology

[0002] Wearable devices (such as wristband smartphones, smartwatches, and smart bracelets) are becoming increasingly popular. However, due to space constraints, they rely on pogo pin charging docks for charging. The exposed contact points of these docks are easily affected by sweat or water droplets, which can disrupt the connection between the wearable device and the dock. Consequently, the wearable device cannot detect the charging connection, impacting user experience. Summary of the Invention

[0003] The main objective of this invention is to propose a wearable device and a method for detecting its charging connection, aiming to solve the problem that wearable devices cannot detect whether the charging connection is normal.

[0004] To achieve the above objectives, the present invention provides a wearable device that is charged via a pogo pin charging dock, wherein the pogo pin charging dock is electrically connected to an external charging device. The wearable device comprises:

[0005] The pogo pin interface is used to connect to the pogo pin charging dock;

[0006] The battery is electrically connected to the pogo pin interface;

[0007] The detection unit, electrically connected to the battery and the pogo pin interface, is used to communicate with the external charging device via a charging protocol when the pogo pin charging dock is connected to the external charging device, so that the external charging device outputs voltage / current according to the protocol.

[0008] The processing unit, electrically connected to the detection unit, the pogo pin interface, and the battery, is used to acquire the current voltage of the battery and determine the charging mode of the battery based on the current voltage; it is also used to acquire the output voltage of the pogo pin charging socket and the input voltage of the pogo pin interface, compare the output voltage with the input voltage, and determine whether the pogo pin interface and the pogo pin charging socket are properly connected based on the comparison result and the charging mode.

[0009] Optionally, the processing unit is further configured to:

[0010] When the current voltage of the battery is less than or equal to the trickle charging voltage, the battery is determined to be in pre-charging mode.

[0011] In pre-charge mode, if the difference between the output voltage and the input voltage is greater than a first preset value, it is determined that there is a problem with the connection between the pogo pin interface and the pogo pin charging dock.

[0012] If the difference between the output voltage and the input voltage is greater than 0V and less than the first preset value, the external charging device is controlled to output the maximum output current and output voltage according to the charging protocol for a preset time. Then, the output voltage and the input voltage are compared again: if the difference between the output voltage and the input voltage is greater than the second preset value, it is determined that there is a problem with the connection between the pogo pin interface and the pogo pin charging dock; if the difference between the output voltage and the input voltage is greater than 0V and less than the second preset value, it is determined that the connection between the pogo pin interface and the pogo pin charging dock is normal.

[0013] Optionally, the processing unit is further configured to:

[0014] When the current voltage of the battery is greater than the trickle charging voltage and less than or equal to the constant current charging voltage, the battery is determined to be in trickle charging mode.

[0015] In trickle charging mode, if the difference between the output voltage and the input voltage is greater than a third preset value, it is determined that there is a problem with the connection between the pogo pin interface and the pogo pin charging dock.

[0016] If the difference between the output voltage and the input voltage is greater than 0V and less than a third preset value, the external charging device is controlled to output the maximum output current and output voltage according to the charging protocol for a preset time. Then, the output voltage and the input voltage are compared again: if the difference between the output voltage and the input voltage is greater than the second preset value, it is determined that there is a problem with the connection between the pogo pin interface and the pogo pin charging dock; if the difference between the output voltage and the input voltage is greater than 0V and less than the second preset value, it is determined that the connection between the pogo pin interface and the pogo pin charging dock is normal.

[0017] Optionally, the processing unit is further configured to:

[0018] When the current voltage of the battery is greater than the trickle charging voltage and less than or equal to the constant voltage charging voltage, the battery is determined to be in constant current charging mode.

[0019] In constant current charging mode, if the difference between the output voltage and the input voltage is greater than the second preset value, it is determined that there is a problem with the connection between the pogo pin interface and the pogo pin charging socket; if the difference between the output voltage and the input voltage is greater than 0V and less than the second preset value, it is determined that the connection between the pogo pin interface and the pogo pin charging socket is normal.

[0020] Optionally, the processing unit is further configured to:

[0021] When the current voltage of the battery is less than or equal to the constant voltage charging voltage, the battery is determined to be in constant voltage charging mode.

[0022] In constant voltage charging mode, if the difference between the output voltage and the input voltage is greater than a fourth preset value, it is determined that there is a problem with the connection between the pogo pin interface and the pogo pin charging socket; if the difference between the output voltage and the input voltage is greater than 0V and less than the fourth preset value, it is determined that the connection between the pogo pin interface and the pogo pin charging socket is normal.

[0023] Furthermore, to achieve the above objectives, the present invention also proposes a charging connection detection method for wearable devices, the method comprising the following steps:

[0024] When an external charging device is detected to be connected, a charging protocol communication is performed with the external charging device, so that the external charging device outputs voltage / current according to the protocol content;

[0025] Obtain the current voltage of the battery;

[0026] The charging mode of the battery is determined based on the current voltage;

[0027] Obtain the output voltage of the Pogo pin charging dock and the input voltage of the Pogo pin interface;

[0028] Compare the output voltage with the input voltage;

[0029] Based on the comparison results and the charging mode, determine whether the pogo pin interface and the pogo pin charging dock are properly connected.

[0030] Optionally, the step of determining whether the pogo pin interface and the pogo pin charging dock are properly connected based on the comparison result and the charging mode specifically includes:

[0031] When the current voltage of the battery is less than or equal to the trickle charging voltage, the battery is determined to be in pre-charging mode.

[0032] In pre-charge mode, if the difference between the output voltage and the input voltage is greater than a first preset value, it is determined that there is a problem with the connection between the pogo pin interface and the pogo pin charging dock.

[0033] If the difference between the output voltage and the input voltage is greater than 0V and less than the first preset value, the external charging device is controlled to output the maximum output current and output voltage according to the charging protocol for a preset time. Then, the output voltage and the input voltage are compared again: if the difference between the output voltage and the input voltage is greater than the second preset value, it is determined that there is a problem with the connection between the pogo pin interface and the pogo pin charging dock; if the difference between the output voltage and the input voltage is greater than 0V and less than the second preset value, it is determined that the connection between the pogo pin interface and the pogo pin charging dock is normal.

[0034] Optionally, the step of determining whether the pogo pin interface and the pogo pin charging dock are properly connected based on the comparison result and the charging mode further includes:

[0035] When the current voltage of the battery is greater than the trickle charging voltage and less than or equal to the constant current charging voltage, the battery is determined to be in trickle charging mode.

[0036] In trickle charging mode, if the difference between the output voltage and the input voltage is greater than a third preset value, it is determined that there is a problem with the connection between the pogo pin interface and the pogo pin charging dock.

[0037] If the difference between the output voltage and the input voltage is greater than 0V and less than a third preset value, the external charging device is controlled to output the maximum output current and output voltage according to the charging protocol for a preset time. Then, the output voltage and the input voltage are compared again: if the difference between the output voltage and the input voltage is greater than the second preset value, it is determined that there is a problem with the connection between the pogo pin interface and the pogo pin charging dock; if the difference between the output voltage and the input voltage is greater than 0V and less than the second preset value, it is determined that the connection between the pogo pin interface and the pogo pin charging dock is normal.

[0038] Optionally, the step of determining whether the pogo pin interface and the pogo pin charging dock are properly connected based on the comparison result and the charging mode further includes:

[0039] When the current voltage of the battery is greater than the trickle charging voltage and less than or equal to the constant voltage charging voltage, the battery is determined to be in constant current charging mode.

[0040] In constant current charging mode, if the difference between the output voltage and the input voltage is greater than the second preset value, it is determined that there is a problem with the connection between the pogo pin interface and the pogo pin charging socket; if the difference between the output voltage and the input voltage is greater than 0V and less than the second preset value, it is determined that the connection between the pogo pin interface and the pogo pin charging socket is normal.

[0041] Optionally, the step of determining whether the pogo pin interface and the pogo pin charging dock are properly connected based on the comparison result and the charging mode further includes:

[0042] When the current voltage of the battery is less than or equal to the constant voltage charging voltage, the battery is determined to be in constant voltage charging mode.

[0043] In constant voltage charging mode, if the difference between the output voltage and the input voltage is greater than a fourth preset value, it is determined that there is a problem with the connection between the pogo pin interface and the pogo pin charging socket; if the difference between the output voltage and the input voltage is greater than 0V and less than the fourth preset value, it is determined that the connection between the pogo pin interface and the pogo pin charging socket is normal.

[0044] The wearable device and its charging connection detection method proposed in this invention can determine whether the pogo pin interface and the pogo pin charging base are properly connected based on the comparison results of the current charging mode of the battery and the output voltage of the pogo pin charging base and the input voltage of the pogo pin interface. This overcomes the problem that wearable devices cannot detect whether the charging connection is normal and improves the user experience. Attached Figure Description

[0045] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with the invention and, together with the description, serve to explain the principles of the invention.

[0046] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0047] Figure 1 A schematic diagram of the hardware structure of one embodiment of the wearable device provided in this invention;

[0048] Figure 2 A hardware schematic diagram of one embodiment of the wearable device provided in this invention;

[0049] Figure 3 A hardware schematic diagram of one embodiment of the wearable device provided in this invention;

[0050] Figure 4 A hardware schematic diagram of one embodiment of the wearable device provided in this invention;

[0051] Figure 5 A schematic diagram of the modules of a first embodiment of a wearable device provided in this invention;

[0052] Figure 6 A schematic diagram of the modules of a second embodiment of a wearable device provided in this invention;

[0053] Figure 7 A flowchart illustrating a first embodiment of the charging connection detection method provided in this invention;

[0054] Figure 8 This is a flowchart of a first embodiment of the charging connection detection method provided in this invention. Detailed Implementation

[0055] It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

[0056] In the following description, the use of suffixes such as "module," "part," or "unit" to denote elements is solely for the purpose of illustrative purposes and has no specific meaning in itself. Therefore, "module," "part," or "unit" may be used interchangeably.

[0057] The wearable devices provided in the embodiments of this invention include smart bracelets, smartwatches, and wristband-style smartphones, among other mobile terminals. With the continuous development of screen technology and the emergence of flexible screens, foldable screens, and other screen forms, smartphones and other mobile terminals can also be used as wearable devices. The wearable devices provided in the embodiments of this invention may include: an RF (Radio Frequency) unit, a WiFi module, an audio output unit, an A / V (Audio / Video) input unit, a sensor, a display unit, a user input unit, an interface unit, a memory, a processor, and a power supply, among other components.

[0058] The following description will use wearable devices as an example; please refer to [link / reference]. Figure 1This is a schematic diagram of the hardware structure of a wearable device implementing various embodiments of the present invention. The wearable device 100 may include: an RF (Radio Frequency) unit 101, a WiFi module 102, an audio output unit 103, an A / V (Audio / Video) input unit 104, a sensor 105, a display unit 106, a user input unit 107, an interface unit 108, a memory 109, a processor 110, and a power supply 111, etc. Those skilled in the art will understand that... Figure 1 The wearable device structure shown does not constitute a limitation on the wearable device. The wearable device may include more or fewer components than shown, or combine certain components, or have different component arrangements.

[0059] The following is combined with Figure 1 A detailed introduction to each component of wearable devices:

[0060] The radio frequency (RF) unit 101 can be used for receiving and transmitting signals during information transmission or calls. Specifically, the RF unit 101 can send uplink information to the base station, and can also receive downlink information sent by the base station and send it to the processor 110 of the wearable device for processing. The downlink information sent by the base station to the RF unit 101 can be generated based on the uplink information sent by the RF unit 101, or it can be actively pushed to the RF unit 101 after detecting an information update from the wearable device. For example, after detecting a change in the geographical location of the wearable device, the base station can send a notification of the geographical location change to the RF unit 101 of the wearable device. After receiving the notification, the RF unit 101 can send the notification to the processor 110 of the wearable device for processing. The processor 110 of the wearable device can control the notification to be displayed on the display panel 1061 of the wearable device. Typically, the RF unit 101 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low-noise amplifier, a duplexer, etc. In addition, the radio frequency unit 101 can also communicate with the network and other devices wirelessly. Specifically, it can communicate with a server in the network system wirelessly. For example, the wearable device can download file resources from the server wirelessly, such as an application. After the wearable device has finished downloading an application, if the file resources corresponding to the application on the server are updated, the server can push a resource update message notification to the wearable device wirelessly to remind the user to update the application. The aforementioned wireless communications may use any communication standard or protocol, including but not limited to GSM (Global System of Mobile communication), GPRS (General Packet Radio Service), CDMA2000 (Code Division Multiple Access 2000), WCDMA (Wideband Code Division Multiple Access), TD-SCDMA (Time Division-Synchronous Code Division Multiple Access), FDD-LTE (Frequency Division Duplexing-Long Term Evolution), and TDD-LTE (Time Division Duplexing-Long Term Evolution).

[0061] In one implementation, the wearable device 100 can access an existing communication network by inserting a SIM card.

[0062] In another implementation, the wearable device 100 can access existing communication networks by setting an eSIM card (Embedded-SIM). Using an eSIM card can save internal space and reduce the thickness of the wearable device.

[0063] Understandably, although Figure 1 The radio frequency unit 101 is shown, but it is understood that the radio frequency unit 101 is not a necessary component of the wearable device and can be omitted as needed without changing the essence of the invention. The wearable device 100 can achieve communication connections with other devices or communication networks solely through the Wi-Fi module 102, and the embodiments of the present invention are not limited thereto.

[0064] WiFi is a short-range wireless transmission technology. Wearable devices, through the WiFi module 102, can help users send and receive emails, browse web pages, and access streaming media, providing users with wireless broadband internet access. Although Figure 1 WiFi module 102 is shown, but it is understood that it is not a necessary component of wearable devices and can be omitted as needed without changing the nature of the invention.

[0065] The audio output unit 103 can convert audio data received by the radio frequency unit 101 or the WiFi module 102 or stored in the memory 109 into audio signals and output them as sound when the wearable device 100 is in call signal receiving mode, call mode, recording mode, voice recognition mode, broadcast receiving mode, etc. Furthermore, the audio output unit 103 can also provide audio output related to specific functions performed by the wearable device 100 (e.g., call signal receiving sound, message receiving sound, etc.). The audio output unit 103 may include a speaker, a buzzer, etc.

[0066] The A / V input unit 104 is used to receive audio or video signals. The A / V input unit 104 may include a graphics processing unit (GPU) 1041 and a microphone 1042. The GPU 1041 processes image data of still images or videos acquired by an image capture device (such as a camera) in video capture mode or image capture mode. The processed image frames can be displayed on the display unit 106. The image frames processed by the GPU 1041 can be stored in the memory 109 (or other storage media) or transmitted via the radio frequency unit 101 or the WiFi module 102. The microphone 1042 can receive sound (audio data) in operating modes such as telephone call mode, recording mode, and voice recognition mode, and can process such sound into audio data. The processed audio (voice) data can be converted into a format that can be transmitted to a mobile communication base station via the radio frequency unit 101 in telephone call mode. The microphone 1042 can implement various types of noise cancellation (or suppression) algorithms to eliminate (or suppress) noise or interference generated during the reception and transmission of audio signals.

[0067] In one embodiment, the wearable device 100 includes one or more cameras. By turning on the cameras, it is possible to capture images and perform functions such as taking photos and recording videos. The position of the cameras can be set as needed.

[0068] The wearable device 100 also includes at least one sensor 105, such as a light sensor, a motion sensor, and other sensors. Specifically, the light sensor includes an ambient light sensor and a proximity sensor. The ambient light sensor can adjust the brightness of the display panel 1061 according to the ambient light level, and the proximity sensor can turn off the display panel 1061 and / or backlight when the wearable device 100 is moved to the ear. As a type of motion sensor, the accelerometer sensor can detect the magnitude of acceleration in various directions (generally three axes). When stationary, it can detect the magnitude and direction of gravity, and can be used for applications that recognize the phone's posture (such as landscape / portrait switching, related games, magnetometer posture calibration), vibration recognition functions (such as pedometer, tapping), etc.

[0069] In one embodiment, the wearable device 100 also includes a proximity sensor, which enables contactless operation and provides more ways to operate the device.

[0070] In one embodiment, the wearable device 100 also includes a heart rate sensor, which, when worn, can detect heart rate by being close to the user.

[0071] In one embodiment, the wearable device 100 may also include a fingerprint sensor, which can perform functions such as security verification by reading fingerprints.

[0072] The display unit 106 is used to display information input by the user or information provided to the user. The display unit 106 may include a display panel 1061, which may be configured in the form of a liquid crystal display (LCD), an organic light-emitting diode (OLED), or the like.

[0073] In one embodiment, the display panel 1061 employs a flexible display screen. When worn, the screen of a wearable device with a flexible display screen can bend, thus providing a more comfortable fit. Optionally, the flexible display screen can be an OLED screen or a graphene screen. In other embodiments, the flexible display screen can also be other display materials, and this embodiment is not limited thereto.

[0074] In one embodiment, the display panel 1061 of the wearable device may be rectangular for easy wrapping around the wearer. Other embodiments may also employ different methods.

[0075] User input unit 107 can be used to receive input numerical or character information, and generate key signal inputs related to user settings and function control of the wearable device. Specifically, user input unit 107 may include touch panel 1071 and other input devices 1072. Touch panel 1071, also known as a touch screen, can collect touch operations performed by the user on or near it (such as operations performed by the user using a finger, stylus, or any suitable object or accessory on or near touch panel 1071), and drive corresponding connection devices according to a pre-set program. Touch panel 1071 may include two parts: a touch detection device and a touch controller. The touch detection device detects the user's touch position and the signal generated by the touch operation, and transmits the signal to the touch controller; the touch controller receives touch information from the touch detection device, converts it into touch point coordinates, sends it to processor 110, and can receive and execute commands sent by processor 110. In addition, touch panel 1071 can be implemented using various types such as resistive, capacitive, infrared, and surface acoustic wave. In addition to the touch panel 1071, the user input unit 107 may also include other input devices 1072. Specifically, other input devices 1072 may include, but are not limited to, one or more of the following: physical keyboard, function keys (such as volume control buttons, power buttons, etc.), trackball, mouse, joystick, etc., without being limited here.

[0076] In one embodiment, the wearable device 100 may have one or more buttons on its side. These buttons can be pressed briefly, pressed repeatedly, rotated, or otherwise manipulated to achieve various operational effects. Multiple buttons can be used in combination to implement various functions.

[0077] Furthermore, the touch panel 1071 may cover the display panel 1061. When the touch panel 1071 detects a touch operation on or near it, it transmits the information to the processor 110 to determine the type of touch event. Subsequently, the processor 110 provides corresponding visual output on the display panel 1061 based on the type of touch event. Although in Figure 1 In this embodiment, the touch panel 1071 and the display panel 1061 are two independent components for implementing the input and output functions of the wearable device. However, in some implementations, the touch panel 1071 and the display panel 1061 can be integrated to achieve the input and output functions of the wearable device; this is not limited here. For example, when a message notification from an application is received through the radio frequency unit 101, the processor 110 can control the display of the message notification in a preset area of ​​the display panel 1061. This preset area corresponds to a certain area of ​​the touch panel 1071. By performing a touch operation on a certain area of ​​the touch panel 1071, the message notification displayed in the corresponding area on the display panel 1061 can be controlled.

[0078] Interface unit 108 serves as an interface through which at least one external device can connect to wearable device 100. For example, the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device with an identification module, an audio input / output (I / O) port, a video I / O port, a headphone port, and so on. Interface unit 108 may be used to receive input (e.g., data, power, etc.) from the external device and transmit the received input to one or more elements within wearable device 100, or it may be used to transfer data between wearable device 100 and the external device.

[0079] In one embodiment, the interface unit 108 of the wearable device 100 adopts a contact structure, which connects to other corresponding devices to realize functions such as charging and connection. The use of contacts also provides waterproofing.

[0080] The memory 109 can be used to store software programs and various data. The memory 109 may primarily include a program storage area and a data storage area. The program storage area may store the operating system, applications required for at least one function (such as sound playback, image playback, etc.), etc.; the data storage area may store data created based on the use of the mobile phone (such as audio data, phonebook, etc.). Furthermore, the memory 109 may include high-speed random access memory, and may also include non-volatile memory, such as at least one disk storage device, flash memory device, or other volatile solid-state storage device.

[0081] The processor 110 is the control center of the wearable device, connecting various parts of the device via various interfaces and lines. It executes software programs and / or modules stored in the memory 109, and calls data stored in the memory 109, to perform various functions and process data, thereby providing overall monitoring of the wearable device. The processor 110 may include one or more processing units; preferably, it may integrate an application processor and a modem processor. The application processor primarily handles the operating system, user interface, and applications, while the modem processor primarily handles wireless communication. It is understood that the modem processor may not be integrated into the processor 110.

[0082] The wearable device 100 may also include a power supply 111 (such as a battery) that powers the various components. Preferably, the power supply 111 can be logically connected to the processor 110 through a power management system, thereby enabling functions such as charging, discharging, and power consumption management through the power management system.

[0083] although Figure 1 As not shown, the wearable device 100 may also include a Bluetooth module, etc., which will not be described in detail here. The wearable device 100 can connect with other terminal devices via Bluetooth to achieve communication and information exchange.

[0084] Please refer to Figures 2-4 This is a schematic diagram illustrating the structure of a wearable device according to one embodiment of the present invention. The wearable device in this embodiment includes a flexible screen. When the wearable device is unfolded, the flexible screen is elongated; when the wearable device is worn, the flexible screen is bent into a ring shape. Figure 2 and Figure 3 This diagram illustrates the structure of a wearable device when its screen is unfolded. Figure 4 A schematic diagram of the structure of a wearable device screen when bent is shown.

[0085] refer to Figure 5The diagram shown is a block diagram of a first embodiment of the wearable device 2 provided by this invention. In this embodiment, the wearable device 2 includes a pogo pin interface 200, a battery 201, a detection unit 202, and a processing unit 203. The wearable device 2 is connected to a pogo pin charging dock 3 via the pogo pin interface 200. The pogo pin charging dock 3 is connected to an external charging device 5 via a USB signal cable 4, thereby enabling the external charging device 5 to charge the wearable device 2. Those skilled in the art will understand that... Figure 5 The modular structure of the wearable device shown does not constitute a limitation on the wearable device 2. The wearable device 2 may include more or fewer components than shown, or combine certain components, or have different component arrangements.

[0086] In this embodiment, the pogo pin interface 200 includes at least two pogo pin contacts for connecting to the pogo pin charging dock 3. The battery 201 is electrically connected to the pogo pin interface 200. The detection unit 202 is electrically connected to the battery 201 and the pogo pin interface 200, and is used to communicate with the external charging device 5 via a charging protocol when the pogo pin charging dock 3 is detected to be connected to an external charging device 5, so that the external charging device 5 outputs voltage / current according to the protocol. The processing unit 203 is electrically connected to the detection unit 202, the pogo pin interface 200, and the battery 201, and is used to acquire the current voltage of the battery 201 and determine the charging mode of the battery 201 based on the current voltage. It is also used to acquire the output voltage of the pogo pin charging dock 3 and the input voltage of the pogo pin interface 200, compare the output voltage with the input voltage, and determine whether the pogo pin interface 200 and the pogo pin charging dock 3 are properly connected based on the comparison result and the charging mode.

[0087] In this embodiment, the pogo pin charging dock 3 is connected to the external charging device 5 via the USB transmission signal line 4. When the detection unit 202 detects that the pogo pin charging dock 3 is connected to the external charging device 5, the detection unit 202 communicates with the external charging device 5 via the USB transmission signal line 4 to perform charging protocol communication. After the communication is completed, the voltage / current is output according to the protocol content.

[0088] Typically, the charging process of battery 201 operates in four different charging modes depending on the voltage of battery 201: pre-charge mode, trickle charge mode, constant current charge mode, and constant voltage charge mode. In this embodiment, processing unit 203 acquires the output voltage of pogo pin charging socket 3 via USB signal transmission line, and simultaneously acquires the input voltage of pogo pin interface 200.

[0089] In this embodiment, the processing unit 203 is further configured to determine that the battery 201 is in a pre-charging mode when the current voltage of the battery 201 is less than or equal to the trickle charging voltage. In the pre-charging mode, the processing unit 203 is further configured to compare the output voltage on the pogo pin charging socket 3 with the input voltage of the pogo pin interface 200. If the difference between the output voltage and the input voltage is greater than a first preset value, it is determined that there is a connection problem between the pogo pin interface 200 and the pogo pin charging socket 3. If the difference between the output voltage and the input voltage is greater than 0V and less than the first preset value, the processing unit 203 controls the external charging device 5 to communicate and output the maximum output current and output voltage according to the charging protocol and continue for a preset time, such as 10ms, and then compares the output voltage with the input voltage again. If the difference between the output voltage and the input voltage is greater than a second preset value, the processing unit 203 determines that there is a problem with the connection between the pogo pin interface 200 and the pogo pin charging dock 3; if the difference between the output voltage and the input voltage is greater than 0V and less than the second preset value, the processing unit 203 determines that the connection between the pogo pin interface 200 and the pogo pin charging dock 3 is normal.

[0090] In this embodiment, the processing unit 203 is further configured to determine that the battery 201 is in trickle charging mode when the current voltage of the battery 201 is greater than the trickle charging voltage and less than or equal to the constant current charging voltage. In trickle charging mode, the processing unit 203 is further configured to compare the output voltage on the pogo pin charging socket 3 with the input voltage of the pogo pin interface 200. If the difference between the output voltage and the input voltage is greater than a third preset value, it is determined that there is a problem with the connection between the pogo pin interface 200 and the pogo pin charging socket 3. If the difference between the output voltage and the input voltage is greater than 0V and less than the third preset value, the external charging device 5 is controlled to output the maximum output current and output voltage according to the charging protocol and continue for a preset time, such as 10ms, and then the output voltage and the input voltage are compared again. If the difference between the output voltage and the input voltage is greater than a second preset value, it is determined that there is a problem with the connection between the pogo pin interface 200 and the pogo pin charging dock 3; if the difference between the output voltage and the input voltage is greater than 0V and less than the second preset value, it is determined that the connection between the pogo pin interface 200 and the pogo pin charging dock 3 is normal.

[0091] In this embodiment, the processing unit 203 is further configured to determine that the battery 201 is in constant current charging mode when the current voltage of the battery 201 is greater than the trickle charging voltage and less than or equal to the constant voltage charging voltage. In constant current charging mode, the processing unit 203 is further configured to compare the output voltage on the pogo pin charging socket 3 with the input voltage of the pogo pin interface 200. If the difference between the output voltage and the input voltage is greater than the second preset value, it is determined that there is a problem with the connection between the pogo pin interface 200 and the pogo pin charging socket 3; if the difference between the output voltage and the input voltage is greater than 0V and less than the second preset value, it is determined that the connection between the pogo pin interface 200 and the pogo pin charging socket 3 is normal.

[0092] In this embodiment, the processing unit 203 is further configured to determine that the battery 201 is in constant voltage charging mode when the current voltage of the battery 201 is less than or equal to the constant voltage charging voltage. In constant voltage charging mode, the processing unit 203 is further configured to compare the output voltage on the pogo pin charging socket 3 with the input voltage of the pogo pin interface 200. If the difference between the output voltage and the input voltage is greater than a fourth preset value, it is determined that there is a problem with the connection between the pogo pin interface 200 and the pogo pin charging socket 3; if the difference between the output voltage and the input voltage is greater than 0V and less than the fourth preset value, it is determined that the connection between the pogo pin interface 200 and the pogo pin charging socket 3 is normal.

[0093] In this embodiment, the first preset value, the second preset value, the third preset value, and the fourth preset value can be adjusted according to the maximum charging current.

[0094] refer to Figure 6 The diagram shown is a schematic representation of a second embodiment of the wearable device 2a provided in this invention. In this embodiment, the wearable device 2a includes a pogo pin interface 200a, a battery 201a, a detection unit 202a, a processing unit 203a, and an alarm unit 204a. The wearable device 2a is connected to a pogo pin charging dock 3a via the pogo pin interface 200a. The pogo pin charging dock 3a is connected to an external charging device 5a via a USB signal cable 4a, thereby enabling the external charging device 5a to charge the wearable device 2a. Those skilled in the art will understand that… Figure 6 The modular structure of the wearable device shown does not constitute a limitation on the wearable device 2a. The wearable device 2a may include more or fewer components than shown, or combine certain components, or have different component arrangements.

[0095] In this embodiment, the pogo pin interface 200a includes at least two pogo pin contacts for connecting to the pogo pin charging dock 3a. A battery 201a is electrically connected to the pogo pin interface 200a. A detection unit 202a is electrically connected to the battery 201a and the pogo pin interface 200a. A processing unit 203a is electrically connected to the detection unit 202a, the pogo pin interface 200a, and the battery 201a. An alarm unit 204a is electrically connected to the processing unit 203a.

[0096] In this embodiment, the working principle of the pogo pin interface 200, battery 201a, detection unit 202a, and processing unit 203a is basically the same as that of the first embodiment, and will not be described again here.

[0097] In this embodiment, when the processing unit 203a determines that there is a problem with the connection between the pogo pin interface 200a and the pogo pin charging dock 3a, the alarm unit 204a issues an alarm message to remind the user to reconnect the wearable device 2a to the pogo pin charging dock 3a. The alarm message can be in the form of sound or flashing lights, etc., and is not limited thereto; it can be determined according to actual needs.

[0098] See Figure 7 The diagram shows a flowchart of a first embodiment of the charging connection detection method provided by this invention. In this embodiment, the method is applied to the wearable device 2 described above, wherein the wearable device 2 includes a pogo pin interface 200, a battery 201, a detection unit 202, and a processing unit 203. The battery 201 is electrically connected to the pogo pin interface 200. The detection unit 202 is electrically connected to both the battery 201 and the pogo pin interface 200. The processing unit 203 is electrically connected to the detection unit 202, the pogo pin interface 200, and the battery 201. The method includes the following steps:

[0099] S400, when an external charging device 5 is detected to be connected, a charging protocol communication is performed with the external charging device 5, so that the external charging device 5 outputs voltage / current according to the protocol content.

[0100] Specifically, in this embodiment, the pogo pin charging dock 3 is connected to the external charging device 5 via a USB transmission line. When the detection unit 202 detects that an external charging device 5 is connected to the pogo pin charging dock 3, the detection unit 202 communicates with the external charging device 5 via the USB transmission line 4 using the charging protocol. After the communication is completed, the voltage / current is output according to the protocol.

[0101] S402, obtain the current voltage of the battery 201.

[0102] S404, determine the charging mode of the battery 201 based on the current voltage.

[0103] Typically, the charging process of battery 201 involves four different charging modes depending on the voltage of battery 201: pre-charge mode, trickle charge mode, constant current charge mode, and constant voltage charge mode. Processing unit 203 determines the charging mode of battery 201 by acquiring the current voltage of battery 201.

[0104] S406, obtain the output voltage of the pogo pin charging dock 3 and the input voltage of the pogo pin interface 200.

[0105] S408, compare the output voltage with the input voltage.

[0106] S410, Based on the comparison result and the charging mode, determine whether the pogo pin interface 200 and the pogo pin charging dock 3 are properly connected.

[0107] Specifically, the processing unit 203 obtains the output voltage of the pogo pin charging dock 3 through the USB signal transmission line, and at the same time, the processing unit 203 obtains the input voltage of the pogo pin interface 200.

[0108] In this embodiment, when the current voltage of battery 201 is less than or equal to the trickle charging voltage, processing unit 203 determines that battery 201 is in pre-charging mode. In pre-charging mode, processing unit 203 compares the output voltage on the pogo pin charging socket 3 with the input voltage of the pogo pin interface 200. If the difference between the output voltage and the input voltage is greater than a first preset value, it is determined that there is a connection problem between the pogo pin interface 200 and the pogo pin charging socket 3. If the difference between the output voltage and the input voltage is greater than 0V and less than the first preset value, processing unit 203 controls external charging device 5 to communicate and output the maximum output current and output voltage according to the charging protocol and continue for a preset time, such as 10ms, and then compares the output voltage with the input voltage again. If the difference between the output voltage and the input voltage is greater than a second preset value, the processing unit 203 determines that there is a problem with the connection between the pogo pin interface 200 and the pogo pin charging dock 3; if the difference between the output voltage and the input voltage is greater than 0V and less than the second preset value, the processing unit 203 determines that the connection between the pogo pin interface 200 and the pogo pin charging dock 3 is normal.

[0109] In this embodiment, when the current voltage of battery 201 is greater than the trickle charging voltage and less than or equal to the constant current charging voltage, processing unit 203 determines that battery 201 is in trickle charging mode. In trickle charging mode, processing unit 203 compares the output voltage on the pogo pin charging socket 3 with the input voltage of the pogo pin interface 200. If the difference between the output voltage and the input voltage is greater than a third preset value, it determines that there is a connection problem between the pogo pin interface 200 and the pogo pin charging socket 3. If the difference between the output voltage and the input voltage is greater than 0V and less than the third preset value, it controls the external charging device 5 to communicate and output the maximum output current and output voltage according to the charging protocol and continue for a preset time, such as 10ms, and then compares the output voltage with the input voltage again. If the difference between the output voltage and the input voltage is greater than a second preset value, it is determined that there is a problem with the connection between the pogo pin interface 200 and the pogo pin charging dock 3; if the difference between the output voltage and the input voltage is greater than 0V and less than the second preset value, it is determined that the connection between the pogo pin interface 200 and the pogo pin charging dock 3 is normal.

[0110] In this embodiment, when the current voltage of battery 201 is greater than the trickle charging voltage and less than or equal to the constant voltage charging voltage, processing unit 203 determines that battery 201 is in constant current charging mode. In constant current charging mode, processing unit 203 compares the output voltage on the pogo pin charging socket 3 with the input voltage of the pogo pin interface 200. If the difference between the output voltage and the input voltage is greater than the second preset value, it is determined that there is a problem with the connection between pogo pin interface 200 and pogo pin charging socket 3; if the difference between the output voltage and the input voltage is greater than 0V and less than the second preset value, it is determined that the connection between pogo pin interface 200 and pogo pin charging socket 3 is normal.

[0111] In this embodiment, the processing unit 203 is further configured to determine that the battery 201 is in constant voltage charging mode when the current voltage of the battery 201 is less than or equal to the constant voltage charging voltage. In constant voltage charging mode, the processing unit 203 compares the output voltage on the pogo pin charging socket 3 with the input voltage of the pogo pin interface 200. If the difference between the output voltage and the input voltage is greater than a fourth preset value, it is determined that there is a problem with the connection between the pogo pin interface 200 and the pogo pin charging socket 3; if the difference between the output voltage and the input voltage is greater than 0V and less than the fourth preset value, it is determined that the connection between the pogo pin interface 200 and the pogo pin charging socket 3 is normal.

[0112] In this embodiment, the first preset value, the second preset value, the third preset value, and the fourth preset value can be adjusted according to the maximum charging current.

[0113] See Figure 8 The diagram shows a flowchart of a second embodiment of the charging connection detection method provided by this invention. Applied to the aforementioned wearable device 2a, the wearable device 2a includes a pogo pin interface 200a, a battery 201a, a detection unit 202a, a processing unit 203a, and an alarm unit 204a. In this embodiment, steps S500-S510 of the charging connection detection method are similar to steps S400-S410 of the first embodiment, except that the method further includes step S512.

[0114] The method includes the following steps:

[0115] S500: When an external charging device 5a is detected to be connected, a charging protocol communication is performed with the external charging device 5a, so that the external charging device 5a outputs voltage / current according to the protocol content.

[0116] S502, obtain the current voltage of the battery 201a.

[0117] S504, determine the charging mode of the battery 201a based on the current voltage.

[0118] S506, obtain the output voltage of the pogo pin charging dock 3a and the input voltage of the pogo pin interface 200a.

[0119] S508, compare the output voltage with the input voltage.

[0120] S510, Based on the comparison results and the charging mode, determine whether the pogo pin interface 200a and the pogo pin charging dock 3a are properly connected.

[0121] S512: When there is a problem with the connection between the pogo pin interface 200a and the pogo pin charging dock 3a, an alarm message is issued.

[0122] Specifically, in this embodiment, when the processing unit 203a determines that there is a problem with the connection between the pogo pin interface 100a and the pogo pin charging dock 3a, the alarm unit 204a issues an alarm message to remind the user to reconnect the wearable device 2a to the pogo pin charging dock 3a. The alarm message can be in the form of sound or flashing lights, etc., and is not limited here; it can be determined according to actual needs.

[0123] The wearable device and its charging connection detection method proposed in this invention can determine whether the pogo pin interface and the pogo pin charging base are properly connected based on the comparison results of the current charging mode of the battery and the output voltage of the pogo pin charging base and the input voltage of the pogo pin interface, thus overcoming the problem that wearable devices cannot detect whether the charging connection is normal.

[0124] It should be noted that, in this document, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Unless otherwise specified, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element.

[0125] The sequence numbers of the above embodiments of the present invention are for descriptive purposes only and do not represent the superiority or inferiority of the embodiments.

[0126] Through the above description of the embodiments, those skilled in the art can clearly understand that the above-described methods can be implemented using software plus necessary general-purpose hardware platforms. Of course, they can also be implemented using hardware, but in many cases, the former is a better implementation. Based on this understanding, the technical solution of the present invention, or the part that contributes to the prior art, can be embodied in the form of a software product. This computer software product is stored in a storage medium (such as ROM / RAM, magnetic disk, optical disk) and includes several instructions to cause a device to execute the methods described in the various embodiments of the present invention.

[0127] The embodiments of the present invention have been described above with reference to the accompanying drawings. However, the present invention is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of the present invention without departing from the spirit and scope of the claims. All of these forms are within the protection scope of the present invention.

Claims

1. A wearable device, charged via a pogo pin charging dock, the pogo pin charging dock being electrically connected to an external charging device, characterized in that, The wearable device includes: The pogo pin interface is used to connect to the pogo pin charging dock; The battery is electrically connected to the pogo pin interface; The detection unit, electrically connected to the battery and the pogo pin interface, is used to communicate with the external charging device via a charging protocol when the pogo pin charging dock is connected to the external charging device, so that the external charging device outputs voltage / current according to the protocol. The processing unit, electrically connected to the detection unit, the pogo pin interface, and the battery, is used to acquire the current voltage of the battery and determine the charging mode of the battery based on the current voltage; it is also used to acquire the output voltage of the pogo pin charging socket and the input voltage of the pogo pin interface, compare the output voltage with the input voltage, and determine whether the pogo pin interface and the pogo pin charging socket are properly connected based on the comparison result and the charging mode. The processing unit is also used for: When the current voltage of the battery is less than or equal to the trickle charging voltage, the battery is determined to be in pre-charging mode. In pre-charge mode, if the difference between the output voltage and the input voltage is greater than a first preset value, it is determined that there is a problem with the connection between the pogo pin interface and the pogo pin charging dock. If the difference between the output voltage and the input voltage is greater than 0V and less than the first preset value, the external charging device is controlled to output the maximum output current and output voltage according to the charging protocol for a preset time. Then, the output voltage and the input voltage are compared again: if the difference between the output voltage and the input voltage is greater than the second preset value, it is determined that there is a problem with the connection between the pogo pin interface and the pogo pin charging dock; if the difference between the output voltage and the input voltage is greater than 0V and less than the second preset value, it is determined that the connection between the pogo pin interface and the pogo pin charging dock is normal.

2. The wearable device according to claim 1, characterized in that, The processing unit is also used for: When the current voltage of the battery is greater than the trickle charging voltage and less than or equal to the constant current charging voltage, the battery is determined to be in trickle charging mode. In trickle charging mode, if the difference between the output voltage and the input voltage is greater than a third preset value, it is determined that there is a problem with the connection between the pogo pin interface and the pogo pin charging dock. If the difference between the output voltage and the input voltage is greater than 0V and less than a third preset value, the external charging device is controlled to output the maximum output current and output voltage according to the charging protocol for a preset time. Then, the output voltage and the input voltage are compared again: if the difference between the output voltage and the input voltage is greater than the second preset value, it is determined that there is a problem with the connection between the pogo pin interface and the pogo pin charging socket; if the difference between the output voltage and the input voltage is greater than 0V and less than the second preset value, it is determined that the connection between the pogo pin interface and the pogo pin charging socket is normal.

3. A charging connection detection method, applied to a wearable device, the method comprising the following steps: When an external charging device is detected to be connected, a charging protocol communication is performed with the external charging device, so that the external charging device outputs voltage / current according to the protocol content; Get the current battery voltage; The charging mode of the battery is determined based on the current voltage; Obtain the output voltage of the Pogo pin charging dock and the input voltage of the Pogo pin interface; Compare the output voltage with the input voltage; Based on the comparison results and the charging mode, determine whether the pogo pin interface and the pogo pin charging dock are properly connected. The step of determining whether the pogo pin interface and the pogo pin charging dock are properly connected based on the comparison result and the charging mode specifically includes: When the current voltage of the battery is less than or equal to the trickle charging voltage, the battery is determined to be in pre-charging mode. In pre-charge mode, if the difference between the output voltage and the input voltage is greater than a first preset value, it is determined that there is a problem with the connection between the pogo pin interface and the pogo pin charging dock. If the difference between the output voltage and the input voltage is greater than 0V and less than the first preset value, the external charging device is controlled to output the maximum output current and output voltage according to the charging protocol for a preset time. Then, the output voltage and the input voltage are compared again: if the difference between the output voltage and the input voltage is greater than the second preset value, it is determined that there is a problem with the connection between the pogo pin interface and the pogo pin charging dock; if the difference between the output voltage and the input voltage is greater than 0V and less than the second preset value, it is determined that the connection between the pogo pin interface and the pogo pin charging dock is normal.

4. The charging connection detection method according to claim 3, characterized in that, The step of determining whether the pogo pin interface and the pogo pin charging dock are properly connected based on the comparison result and the charging mode further includes: When the current voltage of the battery is greater than the trickle charging voltage and less than or equal to the constant current charging voltage, the battery is determined to be in trickle charging mode. In trickle charging mode, if the difference between the output voltage and the input voltage is greater than a third preset value, it is determined that there is a problem with the connection between the pogo pin interface and the pogo pin charging dock. If the difference between the output voltage and the input voltage is greater than 0V and less than a third preset value, the external charging device is controlled to output the maximum output current and output voltage according to the charging protocol for a preset time. Then, the output voltage and the input voltage are compared again: if the difference between the output voltage and the input voltage is greater than the second preset value, it is determined that there is a problem with the connection between the pogo pin interface and the pogo pin charging socket; if the difference between the output voltage and the input voltage is greater than 0V and less than the second preset value, it is determined that the connection between the pogo pin interface and the pogo pin charging socket is normal.

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