Breathing monitoring circuit and monitoring method based on microcontroller and sensor

Abstract

The embodiment of the invention provides a respiration monitoring circuit and method based on a microcontroller and a sensor, and the monitoring circuit comprises a multi-mode sensor module, a signal processing unit, a storage unit, a power management circuit module, a user interaction circuit module and a communication module. The multi-mode sensor module is used for collecting a body movement signal during breathing and sending the body movement signal to the signal processing unit; the signal processing unit is used for processing the collected body movement signals and sending the processed signal data to the storage unit for storage; the power supply management circuit module provides stable working voltage for each component of the circuit; the user interaction circuit module is used for receiving an operation instruction input by a user and interacting with the signal processing unit; and the communication module is used for realizing mutual communication among the components. According to the utility model, the accuracy of monitoring data is obviously improved, the efficient transmission of data is realized, the operation mode is simple, the structure is simple, and the user experience is improved.

Description

Technical Field

[0001] This document relates to the technical field of wearable devices, and particularly to a respiration monitoring circuit and monitoring method based on a microcontroller and sensors. Background Art

[0002] Existing respiration monitoring devices have the following problems: traditional mechanical monitoring circuits are large in size, high in cost, and complex in structure; traditional circuits generally adopt a general-purpose MCU solution, with problems of functional redundancy and excessive power consumption; there is a lack of a hardware filtering circuit for multi-sensor data fusion; the power management system is not optimized for daily usage scenarios, and the battery life is short; commonly used communication methods such as Bluetooth need to rely on other devices for connection and cannot independently complete respiration monitoring. Summary of the Invention

[0003] One or more embodiments of this specification provide a respiration monitoring circuit based on a microcontroller and sensors, including:

[0004] A multi-modal sensor module, a signal processing unit, a storage unit, a power management circuit module, a user interaction circuit module, and a communication module;

[0005] The multi-modal sensor module is used to collect body movement signals during respiration and send them to the signal processing unit; the signal processing unit is used to process the collected body movement signals and send the processed signal data to the storage unit for storage; the power management circuit module provides a stable working voltage for each component of the circuit; the user interaction circuit module is used to receive operation instructions input by the user and interact with the signal processing unit; the communication module is used to achieve mutual communication among the components.

[0006] Further, the multi-modal sensor module includes a three-axis MEMS accelerometer, a three-axis MEMS gyroscope, and a temperature sensor.

[0007] Further, the signal processing unit includes a microcontroller and a co-processor.

[0008] Further, the storage unit includes a non-volatile memory, which is used to store the processed body movement signal data and perform user-defined settings.

[0009] Further, the power management circuit module includes a charging interface, a battery protection circuit, and a buffer capacitor circuit.

[0010] Further, the user interaction circuit module includes a key detection unit and an LED driving circuit; the key detection unit is used to interact with the microcontroller through an interrupt method to achieve the input of user operation instructions; the LED driving circuit is used to display the operating state of the circuit in real time through the on / off of the LED.

[0011] Further, the communication module realizes communication through the 4G network.

[0012] One or more embodiments of this specification provide a monitoring method for a breathing monitoring circuit based on a microcontroller and a sensor, including:

[0013] Through the signal processing unit, process the body movement signals during breathing collected in real time by the multimodal sensor module;

[0014] Send the processed signal to the storage unit to record the processed signal data in real time;

[0015] Provide a stable working voltage for each component through the power management circuit module;

[0016] Receive the operation instructions input by the user through the user interaction circuit module, and interact with the signal processing unit to realize the input of the user operation instructions;

[0017] Realize the mutual communication between components through the communication module.

[0018] One or more embodiments of this specification provide an electronic device, including:

[0019] A processor; and,

[0020] A memory arranged to store computer-executable instructions, which when executed cause the processor to implement the steps of the above-mentioned monitoring method for the breathing monitoring circuit based on a microcontroller and a sensor.

[0021] One or more embodiments of this specification provide a storage medium for storing computer-executable instructions, which when executed implement the steps of the above-mentioned monitoring method for the breathing monitoring circuit based on a microcontroller and a sensor.

[0022] By adopting the embodiments of the present invention, through the use of a high-precision acceleration sensor and an optimized signal processing algorithm, the accuracy of the monitoring data is significantly improved; the low-power microcontroller and the optimized power management circuit extend the battery life of the circuit and reduce the charging frequency; the 4G communication module realizes the efficient transmission of data; the operation mode is simple and intuitive, improving the user experience; the structure is simple and the cost is low.

[0023] The above description is only an overview of the technical solution of the present invention. In order to be able to understand the technical means of the present invention more clearly, it can be implemented according to the content of the specification. And in order to make the above and other purposes, features and advantages of the present invention more obvious and understandable, the following specifically illustrates the specific embodiments of the present invention. Description of the Drawings

[0024] To more clearly illustrate the technical solutions in one or more embodiments of this specification or in the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments recorded in this specification. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0025] Figure 1 It is a flowchart of a monitoring method for a respiration monitoring circuit based on a microcontroller and a sensor provided for one or more embodiments of this specification;

[0026] Figure 2 It is a schematic diagram of the composition of a respiration monitoring circuit based on a microcontroller and a sensor provided for one or more embodiments of this specification;

[0027] Figure 3 It is a schematic diagram of the circuit board structure of a respiration monitoring circuit based on a microcontroller and a sensor provided for one or more embodiments of this specification;

[0028] Figure 4 It is a schematic diagram of the structure of an electronic device provided for one or more embodiments of this specification;

[0029] Description of the drawings: 6. Switch button; 7. Type-C charging port; 8. Battery solder joint; 9. LED status indicator; 10. TC4056A charging management chip; 11. Antenna base; 12. Peripheral circuit; 13. Circuit board; 14. Data storage chip; 15. 4G network eSIM card; 16. Main controller module; 17. 6-axis IMU acceleration / gyroscope sensor. Detailed implementation manners

[0030] In order to enable those skilled in the art to better understand the technical solutions in one or more embodiments of this specification, the following will clearly and completely describe the technical solutions in one or more embodiments of this specification in conjunction with the drawings in one or more embodiments of this specification. Obviously, the described embodiments are only some embodiments of this specification, rather than all embodiments. Based on one or more embodiments of this specification, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of this document.

[0031] According to an embodiment of the present invention, a respiration monitoring circuit based on a microcontroller and a sensor is provided. Figure 1 It is a schematic diagram of the composition of a respiration monitoring circuit based on a microcontroller and a sensor provided for one or more embodiments of this specification, as Figure 1As shown, the respiration monitoring circuit based on a microcontroller and sensors according to an embodiment of the present invention specifically includes: a multimodal sensor module 101, a signal processing unit 102, a storage unit 103, a power management circuit module 104, a user interaction circuit module 105, and a communication module 106.

[0032] The multimodal sensor module 101 includes a three-axis MEMS accelerometer, a three-axis MEMS gyroscope, and a temperature sensor. In this embodiment, the range of the three-axis MEMS accelerometer is ±16 g, and the sensitivity is 16384 LSB / g; the range of the three-axis MEMS gyroscope is ±2000 ° / s, and the sensitivity is 131 LSB / (° / s); the range of the temperature sensor is -40 °C to +85 °C, and the sensitivity is 0.002 °C / LSB. The body motion signals during breathing are jointly collected by the three-axis MEMS accelerometer, the three-axis MEMS gyroscope, and the temperature sensor and sent to the signal processing unit 102.

[0033] The signal processing unit 102 includes a microcontroller and a coprocessor. An ARM Cortex-M series microcontroller is used to process the collected body motion signals. The coprocessor using a DMP special chip is responsible for preprocessing the original signals, configuring a low-pass filter at the digital end, and sending the processed signal data to the storage unit 103 for storage. The storage unit 103 uses a non-volatile memory to store the processed body motion signal data and user-defined settings.

[0034] The power management circuit module 104 includes a charging interface, a battery protection circuit, and a buffer capacitor circuit to provide a stable operating voltage for each component of the circuit.

[0035] The user interaction circuit module 105 is used to receive operation instructions input by the user and interact with the signal processing unit 102; the user interaction circuit module 105 includes a key detection unit and an LED driving circuit; the key detection unit is used to interact with the microcontroller in an interrupt manner to implement the input of user operation instructions; the LED driving circuit is used to display the operating state of the circuit in real time through the on / off of the LED.

[0036] The communication module 106 is used to achieve mutual communication among components through a 4G network.

[0037] Figure 3Schematic diagram of the circuit board of a respiration monitoring circuit based on a microcontroller and sensors provided for one or more embodiments of this specification. Among them, circuit board 13 is the hardware circuit of the monitoring device, including a switch button 6, a Type-C charging port 7, an LED status indicator 9, a TC4056A charging management chip 10, a 128MB data storage chip 14, a 4G network eSIM card 15, a main controller module 16, a 6-axis IMU acceleration / gyroscope sensor 17, a battery solder joint 8, an antenna base 11, and a peripheral circuit 12. The 4G antenna is connected to the antenna base 11 to ensure the quality of 4G signals. The above components work together to collect acceleration and angular velocity data during respiration, temporarily store it through the data storage chip 14, and later the main controller module 16 transmits the data to the data server through the 4G network; the 6-axis IMU acceleration / gyroscope sensor 17 is used to collect body movement signals during respiration; the storage chip 14 is used to temporarily store sensor data, and the main controller module 16 is used to transmit the data to the server through the 4G network.

[0038] Method embodiment

[0039] According to an embodiment of the present invention, a monitoring method for a respiration monitoring circuit based on a microcontroller and sensors is provided. Figure 1 Flowchart of a monitoring method for a respiration monitoring circuit based on a microcontroller and sensors provided for one or more embodiments of this specification, as Figure 1 shown. The monitoring method for a respiration monitoring circuit based on a microcontroller and sensors according to an embodiment of the present invention specifically includes:

[0040] S1. Through a signal processing unit, process the body movement signals during respiration collected in real time by the multimodal sensor module.

[0041] S2. Send the processed signals to the storage unit to record the processed signal data in real time.

[0042] S3. Provide a stable working voltage for each component through a power management circuit module.

[0043] S4. Receive the operation instructions input by the user through a user interaction circuit module and interact with the signal processing unit to implement the input of the user operation instructions.

[0044] S5. Implement mutual communication between components through a communication module.

[0045] The beneficial effects of the present invention are as follows:

[0046] By adopting a high-precision acceleration sensor and an optimized signal processing algorithm, the accuracy of monitoring data is significantly improved; a low-power microcontroller and an optimized power management circuit extend the battery life of the circuit and reduce the charging frequency; efficient data transmission is achieved through a 4G communication module; the operation method is simple and intuitive, improving the user experience; the structure is simple and the cost is low.

[0047] Device Embodiment 1

[0048] An embodiment of the present invention provides an electronic device, as Figure 4 shown, including: a memory 40, a processor 42, and a computer program stored on the memory 40 and executable on the processor 42. When the computer program is executed by the processor 42, the following method steps are implemented:

[0049] S1. Through a signal processing unit, process the body movement signals during breathing collected in real time by the multimodal sensor module;

[0050] S2. Send the processed signals to the storage unit to record the processed signal data in real time;

[0051] S3. Provide a stable working voltage for each component through a power management circuit module;

[0052] S4. Receive the operation instructions input by the user through the user interaction circuit module and interact with the signal processing unit to implement the input of the user operation instructions;

[0053] S5. Realize the mutual communication between each component through the communication module.

[0054] Device Embodiment 2

[0055] An embodiment of the present invention provides a computer-readable storage medium, on which an implementation program for information transmission is stored. When the program is executed by the processor 42, the following method steps are implemented:

[0056] S1. Through a signal processing unit, process the body movement signals during breathing collected in real time by the multimodal sensor module;

[0057] S2. Send the processed signals to the storage unit to record the processed signal data in real time;

[0058] S3. Provide a stable working voltage for each component through a power management circuit module;

[0059] S4. Receive the operation instructions input by the user through the user interaction circuit module and interact with the signal processing unit to implement the input of the user operation instructions;

[0060] S5. Implement the mutual communication between components through the communication module.

[0061] The computer-readable storage medium described in this embodiment includes but is not limited to: ROM, RAM, magnetic disk, optical disc, etc.

[0062] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A respiratory monitoring circuit based on a microcontroller and sensors, characterized in that, Comprising: A multimodal sensor module, a signal processing unit, a storage unit, a power management circuit module, a user interaction circuit module, and a communication module; The multimodal sensor module is used to collect body movement signals during breathing and send them to the signal processing unit; the signal processing unit is used to process the collected body movement signals and send the processed signal data to the storage unit for storage; the power management circuit module provides a stable operating voltage for each component of the circuit; the user interaction circuit module is used to receive operation instructions input by the user and interact with the signal processing unit; the communication module is used to enable mutual communication among the components.

2. The method according to claim 1, wherein The multimodal sensor module includes a three-axis MEMS accelerometer, a three-axis MEMS gyroscope, and a temperature sensor.

3. The method according to claim 1, characterized in that, The signal processing unit includes a microcontroller and a coprocessor.

4. The method according to claim 1, wherein The storage unit includes a non-volatile memory for storing the processed body movement signal data and for user-defined settings.

5. The method according to claim 1, wherein The power management circuit module includes a charging interface, a battery protection circuit, and a buffer capacitor circuit.

6. The method according to claim 1, wherein The user interaction circuit module includes a key detection unit and an LED driver circuit; the key detection unit is used to interact with the microcontroller in an interrupt manner to realize the input of user operation instructions; the LED driver circuit is used to display the operating state of the circuit in real time through the on / off of the LED.

7. The method according to claim 1, characterized in that The communication module realizes communication through a 4G network.

8. A monitoring method for a breathing monitoring circuit based on a microcontroller and sensors, characterized in that, Comprising: Through the signal processing unit, process the body movement signals during breathing collected in real time by the multimodal sensor module; Send the processed signals to the storage unit to record the processed signal data in real time; Provide a stable operating voltage for each component through the power management circuit module; Receive operation instructions input by the user through the user interaction circuit module and interact with the signal processing unit to realize the input of user operation instructions; Realize mutual communication among the components through the communication module.

9. An electronic device, characterized in that, Comprising: A processor; And, A memory arranged to store computer-executable instructions that, when executed, cause the processor to implement the steps of the monitoring method of the breathing monitoring circuit based on a microcontroller and a sensor as claimed in claim 8.

10. A storage medium, characterized in that, For storing computer-executable instructions that, when executed, implement the steps of the monitoring method of the breathing monitoring circuit based on a microcontroller and a sensor as claimed in claim 8.

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