A sleep quality detection circuit
Through the sleep quality detection circuit integrating blood oxygen, heart rate, breathing and turnover detection modules, the problem of inaccurate sleep quality detection in traditional methods is solved, and more accurate and simple sleep evaluation results are provided.
Patent Information
- Application Number
- CN202011626004.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2020-12-30
- Publication Date
- 2025-01-10
- Estimated Expiration
- 2040-12-30
AI Technical Summary
Traditional sleep quality detection methods mainly rely on action monitoring, and the results are troublesome and inaccurate enough to comprehensively evaluate the depth of sleep and other factors that affect sleep quality.
A sleep quality detection circuit including a blood oxygen detection module, a heart rate detection module, a breath detection module and a turnover detection module is designed. The sleep state is judged through the control module, and communication with external terminals and storage modules are stored through the communication module. result.
It has achieved improved accuracy of sleep quality detection, simplified operational procedures, and provided more comprehensive sleep evaluation results.
Smart Images

Figure CN112656389B_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of sleep quality detection, and in particular relates to a sleep quality detection circuit. Background Art
[0002] Sleep is a necessity of life and an important part of health. With the rapid development of society, people's pace of life is getting faster and faster, and the pressure they bear is also greater. Various pressures lead to different degrees of sleep problems, such as insomnia, narcolepsy, sleepwalking, restless legs syndrome, sleep apnea syndrome, etc.
[0003] Sleep quality is not only related to the length of sleep time, but also the depth of sleep is an important aspect that affects sleep quality. The traditional approach is to obtain the sleep quality of the subject by monitoring his or her movements. However, such a method is not conducive to the monitoring of sleep quality. Summary of the invention
[0004] In order to solve the above problems, the present invention provides a sleep quality detection circuit, comprising:
[0005] Blood oxygen detection module, used to detect the sleeper's blood oxygen parameters;
[0006] Heart rate detection module, used to detect the heart rate parameters of the sleeper;
[0007] A breathing detection module is used to detect the breathing parameters of the sleeper;
[0008] A turning over detection module is used to detect whether the sleeper turns over;
[0009] A control module, used for determining the sleep state of the sleeper according to the detection parameters of each module; the control module is respectively connected with the blood oxygen detection module, the heart rate detection module, the breathing detection module and the turning over detection module;
[0010] A communication module, used for the control module to communicate with an external terminal; the communication module is connected to the control module;
[0011] A storage module is used to store the detection parameters of each module and the judgment result of the control module; the storage module is connected to the control module.
[0012] Preferably, the blood oxygen detection module includes: a detection chip U5 and a data processing chip U6, wherein the data processing chip U6 is respectively connected to the detection chip U5 and the control module, and the data processing chip U6 obtains the sleeper's blood oxygen parameters detected by the detection chip U5 and sends them to the control module.
[0013] Preferably, the heart rate detection module includes: a detection chip U5 and a data processing chip U6, wherein the data processing chip U6 is respectively connected to the detection chip U5 and the control module, and the data processing chip U6 obtains the sleeper's heart rate parameters detected by the detection chip U5 and sends them to the control module.
[0014] Preferably, the breathing detection module includes: a first nostril breathing detection module, a second nostril breathing detection module and an ambient noise detection module, wherein the first nostril breathing detection module, the second nostril breathing detection module and the ambient noise detection module are respectively connected to the control module, the first nostril breathing detection module and the second nostril breathing detection module respectively detect the breathing parameters of the two nostrils of the sleeper, and the ambient noise detection module detects the noise parameters of the ambient environment.
[0015] Preferably, the first nostril breathing detection module includes: a first microphone MIC1 and a first operational amplifier U1, wherein the first operational amplifier U1 is respectively connected to the first microphone MIC1 and the control module, the first microphone MIC1 detects the airflow intensity of the sleeper's first nostril and converts it into an electrical signal, and the first operational amplifier U1 amplifies the electrical signal and sends it to the control module.
[0016] Preferably, the second nostril breathing detection module includes: a second microphone MIC2 and a second operational amplifier U2, wherein the second operational amplifier U2 is respectively connected to the second microphone MIC2 and the control module, the second microphone MIC2 detects the airflow intensity of the sleeper's second nostril and converts it into an electrical signal, and the second operational amplifier U2 amplifies the electrical signal and sends it to the control module.
[0017] Preferably, the ambient noise detection module includes: a third microphone MIC3 and a third operational amplifier U3, wherein the third operational amplifier U3 is respectively connected to the third microphone MIC3 and the control module, the third microphone MIC3 detects the airflow intensity of the ambient environment and converts it into an electrical signal, and the third operational amplifier U3 amplifies the electrical signal and sends it to the control module.
[0018] Preferably, the turning over detection module comprises: a gravity sensor U4, the gravity sensor U4 is connected to the control module, and the gravity sensor U4 is used to detect whether the sleeper turns over during sleep.
[0019] Preferably, the control module includes: a control chip U7, and the control chip U7 is respectively connected to the blood oxygen detection module, the heart rate detection module, the breathing detection module and the turning over detection module.
[0020] Preferably, the storage module comprises: a storage card connector J1, and the storage card connector J1 is connected to the control chip U7 of the control module.
[0021] The sleep quality detection circuit provided by the present application has a simple structure, is easy to operate, and has high measurement accuracy. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.
[0023] Figure 1 It is a circuit diagram of a sleep quality detection circuit provided by the present invention;
[0024] Figure 2 The invention discloses a circuit diagram of a sleep quality detection circuit. DETAILED DESCRIPTION
[0025] In order to make the purpose, technical scheme and advantages of the present invention clearer, the present invention is further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the present invention. In addition, in the following description, the description of well-known structures and technologies is omitted to avoid unnecessary confusion of the concept of the present invention.
[0026] like Figure 1 -2. In an embodiment of the present application, the present invention provides a sleep quality detection circuit, comprising:
[0027] A blood oxygen detection module 10 is used to detect the blood oxygen parameters of the sleeper;
[0028] A heart rate detection module 20, used to detect the heart rate parameters of the sleeper;
[0029] A breathing detection module 30, used to detect the breathing parameters of the sleeper;
[0030] A turning over detection module 40 is used to detect whether the sleeper turns over;
[0031] The control module 50 is used to determine the sleep state of the sleeper according to the detection parameters of each module; the control module 50 is respectively connected to the blood oxygen detection module 10, the heart rate detection module 20, the breathing detection module 30 and the turning over detection module 40;
[0032] The communication module 60 is used for the control module 50 to communicate with an external terminal; the communication module 60 is connected to the control module 50;
[0033] The storage module 70 is used to store the detection parameters of each module and the judgment result of the control module 50 ; the storage module 70 is connected to the control module 50 .
[0034] When this sleep quality detection circuit is used to detect a sleeper, the blood oxygen detection module 10 is used to detect the sleeper's blood oxygen parameters, the heart rate detection module 20 is used to detect the sleeper's heart rate parameters, the breathing detection module 30 is used to detect the sleeper's breathing parameters, the turning over detection module 40 is used to detect whether the sleeper turns over, the control module 50 is used to determine the sleep state of the sleeper according to the detection parameters of each module, the communication module 60 is used for the control module 50 to communicate with an external terminal, and send the detection data and the judgment result of the control module 50 to the external terminal, and the storage module 70 is used to store the detection parameters of each module and the judgment result of the control module 50.
[0035] like Figure 1 -2. In an embodiment of the present application, the blood oxygen detection module 10 includes: a detection chip U5 and a data processing chip U6, wherein the data processing chip U6 is respectively connected to the detection chip U5 and the control module 50, and the data processing chip U6 obtains the blood oxygen parameters of the sleeper detected by the detection chip U5 and sends them to the control module 50.
[0036] like Figure 1 -2. In an embodiment of the present application, the heart rate detection module 20 includes: a detection chip U5 and a data processing chip U6, wherein the data processing chip U6 is respectively connected to the detection chip U5 and the control module 50, and the data processing chip U6 obtains the sleeper's heart rate parameters detected by the detection chip U5 and sends them to the control module 50.
[0037] In the embodiment of the present application, the blood oxygen detection module 10 and the heart rate detection module 20 can be implemented by the same set of detection chips U5 and data processing chips U6. The detection chip U5 is the detection chip MAX30102 of Maxim. The detection chip MAX30102 adopts the principle of reflective blood oxygen detection. The chip has built-in red light and infrared light emitting lamps and light intensity detection modules. The working principle is that the chip periodically emits red light and infrared light to the sleeper, and then the light intensity detection module detects the intensity of the reflected light. After amplification, it is sampled by ADC and converted into a digital signal for transmission to the data processing chip U6 for processing. The data processing chip U6 calculates the blood oxygen saturation value and heart rate value through a specific algorithm based on the received data, and sends the blood oxygen saturation value and heart rate value to the control module 50. The data processing chip U6 is an MCU, model MKL02Z32VFM4.
[0038] like Figure 1 -2. In the embodiment of the present application, the breathing detection module 30 includes: a first nostril breathing detection module 31, a second nostril breathing detection module 32 and an ambient noise detection module 33, wherein the first nostril breathing detection module 31, the second nostril breathing detection module 32 and the ambient noise detection module 33 are respectively connected to the control module 50, the first nostril breathing detection module 31 and the second nostril breathing detection module 32 respectively detect the breathing parameters of the two nostrils of the sleeper, and the ambient noise detection module 33 detects the noise parameters of the ambient environment.
[0039] like Figure 1 -2. In the embodiment of the present application, the first nostril breathing detection module 31 includes: a first microphone MIC1 and a first operational amplifier U1, wherein the first operational amplifier U1 is respectively connected to the first microphone MIC1 and the control module 50, the first microphone MIC1 detects the airflow intensity of the sleeper's first nostril and converts it into an electrical signal, and the first operational amplifier U1 amplifies the electrical signal and sends it to the control module 50.
[0040] like Figure 1 -2. In the embodiment of the present application, the second nostril breathing detection module 32 includes: a second microphone MIC2 and a second operational amplifier U2, wherein the second operational amplifier U2 is connected to the second microphone MIC2 and the control module 50 respectively, the second microphone MIC2 detects the airflow intensity of the sleeper's second nostril and converts it into an electrical signal, and the second operational amplifier U2 amplifies the electrical signal and sends it to the control module 50.
[0041] like Figure 1 -2. In the embodiment of the present application, the ambient noise detection module 33 includes: a third microphone MIC3 and a third operational amplifier U3, wherein the third operational amplifier U3 is connected to the third microphone MIC3 and the control module 50 respectively, the third microphone MIC3 detects the airflow intensity of the ambient environment and converts it into an electrical signal, and the third operational amplifier U3 amplifies the electrical signal and sends it to the control module 50.
[0042] In the embodiment of the present application, the first microphone MIC1 and the second microphone MIC2 respectively detect the airflow intensity of the sleeper's left and right nostrils. After the breathing airflow is converted into an electrical signal by the first microphone MIC1 and the second microphone MIC2, it is amplified by the first operational amplifier U1 and the second operational amplifier U2 respectively, and then sampled into a digital signal by the ADC of the control module 50. The sampled data is used to calculate the number of breaths, and then the sleep quality of the sleeper is judged. The third microphone MIC3 detects the noise intensity of the surrounding environment and converts it into an electrical signal. The third operational amplifier U3 amplifies the electrical signal and sends it to the control module 50 to eliminate the influence of environmental noise on the sleep quality of the sleeper. The first operational amplifier U1, the second operational amplifier U2 and the third operational amplifier U3 are operational amplifiers MCP6001T.
[0043] like Figure 1 -2, in the embodiment of the present application, the turning over detection module 40 includes: a gravity sensor U4, the gravity sensor U4 is connected to the control module 50, and the gravity sensor U4 is used to detect whether the sleeper turns over during sleep. The gravity sensor U4 is a gravity sensor MMA8653FC.
[0044] like Figure 1 -2, in the embodiment of the present application, the control module 50 includes: a control chip U7, and the control chip U7 is respectively connected to the blood oxygen detection module 10, the heart rate detection module 20, the breathing detection module 30 and the turning over detection module 40. The control chip U7 is an MCU, model MKW31Z512VHT4.
[0045] like Figure 1 -2. In the embodiment of the present application, the storage module 70 includes: a storage card connector J1, and the storage card connector J1 is connected to the control chip U7 of the control module 50. The storage card connector J1 is an external storage card connector.
[0046] The sleep quality detection circuit provided by the present application has a simple structure, is easy to operate, and has high measurement accuracy.
[0047] It should be understood that the above specific embodiments of the present invention are only used to illustrate or explain the principles of the present invention, and do not constitute a limitation of the present invention. Therefore, any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. In addition, the appended claims of the present invention are intended to cover all changes and modifications that fall within the scope and boundaries of the appended claims, or the equivalent forms of such scope and boundaries.
Claims
1. A sleep quality detection circuit, characterized in that: include: Blood oxygen detection module, used to detect the sleeper's blood oxygen parameters; Heart rate detection module, used to detect the heart rate parameters of the sleeper; A breathing detection module is used to detect the breathing parameters of the sleeper; The breathing detection module includes a first nostril breathing detection module, a second nostril breathing detection module and an ambient noise detection module, wherein the first nostril breathing detection module, the second nostril breathing detection module and the ambient noise detection module are respectively connected to the control module, the first nostril breathing detection module and the second nostril breathing detection module respectively detect breathing parameters of the two nostrils of the sleeper, and the ambient noise detection module detects noise parameters of the ambient environment; The first nostril breathing detection module includes a first microphone MIC1 and a first operational amplifier U1, wherein the first operational amplifier U1 is connected to the first microphone MIC1 and the control module respectively, the first microphone MIC1 detects the airflow intensity of the first nostril of the sleeper and converts it into an electrical signal, and the first operational amplifier U1 amplifies the electrical signal and sends it to the control module; The second nostril breathing detection module includes a second microphone MIC2 and a second operational amplifier U2, wherein the second operational amplifier U2 is connected to the second microphone MIC2 and the control module respectively, the second microphone MIC2 detects the airflow intensity of the second nostril of the sleeper and converts it into an electrical signal, and the second operational amplifier U2 amplifies the electrical signal and sends it to the control module; The ambient noise detection module includes a third microphone MIC3 and a third operational amplifier U3, wherein the third operational amplifier U3 is connected to the third microphone MIC3 and the control module respectively, the third microphone MIC3 detects the airflow intensity of the ambient environment and converts it into an electrical signal, and the third operational amplifier U3 amplifies the electrical signal and sends it to the control module; A turning over detection module is used to detect whether the sleeper turns over; A control module, used for determining the sleep state of the sleeper according to the detection parameters of each module; the control module is respectively connected with the blood oxygen detection module, the heart rate detection module, the breathing detection module and the turning over detection module; A communication module, used for the control module to communicate with an external terminal; the communication module is connected to the control module; A storage module is used to store the detection parameters of each module and the judgment result of the control module; the storage module is connected to the control module.
2. The sleep quality detection circuit according to claim 1, characterized in that: The blood oxygen detection module includes: a detection chip U5 and a data processing chip U6, wherein the data processing chip U6 is connected to the detection chip U5 and the control module respectively, and the data processing chip U6 obtains the sleeper's blood oxygen parameters detected by the detection chip U5 and sends them to the control module.
3. The sleep quality detection circuit according to claim 1, characterized in that: The heart rate detection module includes: a detection chip U5 and a data processing chip U6, wherein the data processing chip U6 is connected to the detection chip U5 and the control module respectively, and the data processing chip U6 obtains the heart rate parameters of the sleeper detected by the detection chip U5 and sends them to the control module.
4. The sleep quality detection circuit according to claim 1, characterized in that: The turning over detection module includes: a gravity sensor U4, which is connected to the control module, and the gravity sensor U4 is used to detect whether the sleeper turns over during sleep.
5. The sleep quality detection circuit according to claim 1, characterized in that: The control module includes: a control chip U7, and the control chip U7 is respectively connected to the blood oxygen detection module, the heart rate detection module, the breathing detection module and the turning over detection module.
6. The sleep quality detection circuit according to claim 1, characterized in that: The storage module includes: a storage card connector J1, and the storage card connector J1 is connected to the control chip U7 of the control module.
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