Sleep detection pillow based on Bluetooth
The Bluetooth-based sleep detection pillow with built-in control circuit and microphone solves the inconvenience and high cost problems of existing sleep monitoring methods, realizes low-power and convenient sleep data transmission and analysis, and improves the accuracy and convenience of sleep monitoring.
Patent Information
- Application Number
- CN202423312214.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-12-31
AI Technical Summary
Existing sleep monitoring methods have the problems of high cost, complex operation, great interference with the sleeping environment and low accuracy. In particular, the discomfort of wearing and battery life of wearable devices make it difficult to meet the daily monitoring needs of the family.
A Bluetooth-based sleep detection pillow is designed with a built-in control circuit and electret microphone. It transmits sleep data to a remote monitoring device via low-power Bluetooth technology. The pillow includes a microcontroller, a power module, a Bluetooth module, and a data storage module to ensure data transmission stability and low-power operation.
It realizes sleep monitoring without wearing equipment, works for a long time with low power consumption, provides detailed sleep data analysis, improves the convenience and accuracy of sleep monitoring, and reduces the impact on sleep.
Smart Images
Figure CN223438253U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a pillow, in particular to a sleep detection pillow based on Bluetooth. Background Art
[0002] Sleep is essential to life, and sleep quality plays a crucial role in human health. In today's fast-paced lives, people are paying more attention to sleep quality than ever before. Determining whether a person is getting a good night's sleep requires monitoring their sleep, but accurately monitoring sleep quality is challenging.
[0003] Currently, there are many sleep monitoring methods on the market. First, sleep quality is monitored through wearable devices such as smart bracelets and smart watches. Although wearable devices can monitor sleep status to a certain extent, the discomfort of wearing them and the interference with the sleeping environment often bother users. The battery life of wearable devices is limited, and frequent charging affects the user experience. Secondly, although professional sleep monitoring instruments are highly accurate, they are complicated to operate and expensive. They can only be used in specific medical institutions and cannot meet the daily sleep monitoring needs of ordinary families. Thirdly, traditional sleep monitoring methods, such as observing physiological characteristics such as breathing and heartbeat, are not only inaccurate, but also difficult to provide comprehensive and detailed sleep data.
[0004] Therefore, it is urgent to develop a sleep monitoring device that is low in cost and has less impact on sleep. Utility Model Content
[0005] In order to avoid the deficiencies in the above-mentioned prior art, the present invention provides a sleep detection pillow based on Bluetooth, so as to monitor the sleep state well and keep the influence on sleep to a minimum.
[0006] The present invention adopts the following technical solutions to solve the technical problems.
[0007] The utility model discloses a sleep detection pillow based on Bluetooth, comprising a pillow body, on which a control circuit and a plurality of electret microphones are provided; the control circuit is arranged on the bottom of the interior of the pillow;
[0008] The control circuit includes a microcontroller MCU, a power module, a Bluetooth module, a sound collection module and a data storage module;
[0009] The plurality of electret microphones are distributed on the top surface of the pillow body and are used to collect sounds made by a sleeper;
[0010] The power supply module is used to connect to an external power supply and provide power to the control circuit;
[0011] The microcontroller MCU is connected with the sound collecting module, and transmits the collected sound data to the remote monitoring device through the Bluetooth module.
[0012] The data storage module is connected with the microcontroller MCU, and is used for storing the collected sound data.
[0013] The structure of the sleep detection pillow based on Bluetooth of the utility model also has the following characteristics:
[0014] Further, the control circuit is sleeved with a silica gel cover.
[0015] Further, the remote monitoring device comprises a Bluetooth communication module, and data is transmitted through Bluetooth communication between the Bluetooth module and the Bluetooth communication module.
[0016] Further, the remote monitoring device is a mobile phone, a tablet computer or a notebook computer.
[0017] Further, the microcontroller MCU is an STM32F103C8T6.
[0018] Further, the power module comprises a power management chip U1, a power input interface VIN, a power output interface VOUT, resistors R1-R4, capacitors C1-C6, an inductor L1 and a voltage stabilizing diode D1.
[0019] Further, the power management chip U1 of the power module is a step-down converter MP2303.
[0020] Further, the data storage module comprises a storage chip U4 and a capacitor C7.
[0021] Further, the storage chip U4 is a memory W25Q64.
[0022] Further, the sound collecting module comprises an operational amplifier U2, a triode Q1, light emitting diodes LED1-LED2, resistors R5-R12, capacitors C8-C11, a microphone interface MIC1 and a wiring terminal H1.
[0023] Compared with the prior art, the utility model has the beneficial effects of:
[0024] The utility model discloses a kind of sleep detection pillows based on Bluetooth, including pillow main part, control circuit and multiple electret microphones are arranged in pillow main part;The control circuit includes microcontroller MCU, power module, Bluetooth module and data storage module;The multiple electret microphones are distributed on the top surface of pillow main part, for collecting the sound emitted by sleeper;The power module is used to connect external power supply and provide electrical energy for control circuit;The microcontroller MCU is connected with sound acquisition module, and the sound data collected is transmitted to remote monitoring device by Bluetooth module;The data storage module is connected with microcontroller MCU, for storing the sound data collected.
[0025] The utility model adopts low-power Bluetooth technology, for realizing communication with mobile phone APP, sleep data collected is sent to mobile phone, and moreover can ensure the stability of data transmission and low-power operation, does not consume too much power, can work continuously in long sleep process.
[0026] The utility model discloses a kind of sleep detection pillows based on Bluetooth, with can collect the state parameter of sleeper and transmit to remote monitoring device, low power consumption, sleep is not affected and the like advantages. BRIEF DESCRIPTION OF DRAWINGS
[0027] Figure 1 It is a structure schematic view of a kind of sleep detection pillows based on Bluetooth of the utility model.
[0028] Figure 2 It is the frame schematic view of the control circuit of a kind of sleep detection pillows based on Bluetooth of the utility model.
[0029] Figure 3 It is the pin diagram of the Bluetooth chip of a kind of sleep detection pillows based on Bluetooth of the utility model.
[0030] Figure 4 It is the pin diagram of microcontroller MCU of a kind of sleep detection pillows based on Bluetooth of the utility model.
[0031] Figure 5 It is the circuit diagram of power module of a kind of sleep detection pillows based on Bluetooth of the utility model.
[0032] Figure 6 It is the circuit diagram of data storage module of a kind of sleep detection pillows based on Bluetooth of the utility model.
[0033] Figure 7 It is the circuit diagram of sound acquisition module of a kind of sleep detection pillows based on Bluetooth of the utility model.
[0034] Figure 8 It is the working process schematic view of a kind of sleep detection pillows based on Bluetooth of the utility model.
[0035] The utility model is further described below through specific embodiments and in conjunction with the drawings. Specific embodiments
[0036] Referring to Figures 1-8 The utility model discloses a sleep detection pillow based on bluetooth, including pillow main part, be provided with control circuit and a plurality of electret microphone on the pillow main part, the control circuit is located the inside below of pillow,
[0037] The control circuit includes microcontroller MCU, power module, bluetooth module, sound acquisition module and data storage module,
[0038] The plurality of electret microphone distributes on the top surface of pillow main part, is used to gather the sound that sleeper sends,
[0039] The power module is used for connecting external power supply and provides the electric energy for control circuit,
[0040] The microcontroller MCU is connected with sound acquisition module, and the sound data of gathering is transmitted to remote monitoring device through bluetooth module,
[0041] The data storage module is connected with microcontroller MCU, is used to store the sound data of gathering.
[0042] As Figure 1 The utility model discloses a sleep detection pillow based on bluetooth, is provided with control circuit and a plurality of electret microphone on pillow main part, and sound acquisition module is used for accurate gathering various sounds that sleeper sends in the sleep process, such as snoring, the sound when waking up when making nightmare and the sound of saying dream words etc., provides the rich data source for the comprehensive analysis of sleep state. The bluetooth module of control circuit can carry out stable and efficient communication with mobile phone APP, and the sleep data obtained by measurement is transmitted to the mobile phone end in real time, and the user can check and analyze the sleep state at night and assess the physical health condition at any time. Data storage module can temporarily store sleep data, ensure the integrity and traceability of data. Meanwhile, in the remote monitoring device built-in APP application program, not only can clearly show sleep data, but also can in-depth analysis these data and show to the user, provides the individualized sleep improvement suggestion for the user.
[0043] As Figure 2 It is the frame schematic drawing of control circuit.
[0044] In specific implementation, the control circuit is sleeved with silica gel cover.
[0045] In specific implementation, the circuit board body of the control circuit is installed inside the back of the pillow main body, i.e. on the upper layer of the bottom layer under the pillow, and the control circuit board is wrapped with a silica gel sheet so as to not affect the sleep of a person.
[0046] In specific implementation, the remote monitoring device comprises a Bluetooth communication module, and data is transmitted between the Bluetooth module and the Bluetooth communication module.
[0047] As Figure 3 The pin diagram of the HC-04 Bluetooth module. The Bluetooth module of the control circuit comprises the HC-04 Bluetooth module. The HC-04 Bluetooth serial communication module is a new generation of dual-mode transmission module based on SPP & BLE5.0 Bluetooth protocol. The wireless working frequency band is 2.4GHz ISM, and the modulation mode is GFSK. The maximum transmission power of the module is 6dBm, and the receiving sensitivity is -92dBm. The Bluetooth module adopts low-power Bluetooth technology to ensure stable connection with a mobile phone and low-power operation.
[0048] In specific implementation, the remote monitoring device is a mobile phone, a tablet computer or a notebook computer.
[0049] The remote monitoring device can be a desktop computer, a mobile phone, a tablet computer or a notebook computer and the like smart device with Bluetooth communication function. The remote monitoring device is built-in software for analyzing sound data and evaluating sleep conditions.
[0050] In specific implementation, the microcontroller MCU is STM32F103C8T6.
[0051] As Figure 4 The pin diagram of the STM32F103C8T6. The STM32F103C8T6 series single-chip microcomputer uses a high-performance ARM-Cortex™-M3 32-bit RISC core, and the main performance of the processor is as follows: maximum operating frequency of 72MHz; SRAM of up to 20K bytes; 2-channel 12-bit analog-to-digital converter, input channel up to 16, conversion time as low as 1μs; all I / O ports can be mapped to 16 external interrupts, 3 16-bit timers, each timer has up to 4 inputs / outputs, which can be used for input capture / output comparison / PWM or pulse counting; 2 I2C interfaces (supporting SMBus / PMBus), 3 USART interfaces.
[0052] In specific implementation, the power module comprises a power management chip U1, a power input interface VIN, a power output interface VOUT, resistors RP1, R1-R4, capacitors C1-C6, an inductor L1 and a voltage stabilizing diode D1.
[0053] As Figure 5As shown in Figure 5 The power input interface VIN, as shown in the left side and the upper right side of the circuit diagram, is the interface for power input, which is connected to the external power supply through the power line to supply power to the circuit board. The input voltage is filtered by multiple filter capacitors (C2, C3, C4, C5) to remove noise and ripple. The power management chip U1 is a Buck converter chip, mainly responsible for converting the input voltage to a stable output voltage. The inductor L1 and the diode D1 are the key components of the Buck converter. The inductor L1 stores energy when the switch tube is turned on and releases energy when the switch tube is turned off, charging the output capacitor C1 through the diode D1, thereby generating a stable output voltage.
[0054] The output capacitor C1 is connected between the power output interface VOUT and the ground terminal GND, used to filter the ripple of the output voltage and ensure the stability of the output voltage.
[0055] In specific implementation, the power module includes a power management chip U1 which is a Buck converter MP2303.
[0056] MP2303 is an integrated high-efficiency synchronous rectification Buck converter, which is the core of the entire circuit, with an efficiency of up to 95%, suitable for applications requiring high-efficiency power conversion. The power management chip U1 is responsible for regulating the input voltage, converting the input voltage into a high-frequency pulse signal through the internal switch tube, and maintaining the stability of the output voltage through the feedback control mechanism (through the FB pin and the voltage dividing resistors R3, R4).
[0057] In specific implementation, the data storage module includes a storage chip U4 and a capacitor C7.
[0058] In specific implementation, the storage chip U4 is a memory W25Q64.
[0059] As shown in Figure 6 The circuit diagram of the data storage module, the connection relationship between each component is as shown in Figure 6 The memory W25Q64 has a certain storage capacity and data management function, can store sleep data in a classified manner, and ensure the integrity and traceability of the data. When the Bluetooth connection fails, the data will not be lost, and the transmission can continue after the connection is restored.
[0060] The memory W25Q64 is used for data storage and has a data space of 8MB. The W25Q64 communicates using an SPI (Serial Peripheral Interface) interface, which consists of four lines: a clock line (SCK), a data input line (MOSI), a data output line (MISO), and a chip select line (CS). SPI modes 0 and 3 are supported. In SPI mode 0, data is sampled on the falling edge of the clock and transmitted on the rising edge; in SPI mode 3, data is sampled on the rising edge of the clock and transmitted on the falling edge. The W25Q64 also has low power consumption characteristics, and can reduce power consumption and extend battery life in standby mode.
[0061] In specific implementation, the sound collecting module includes an operational amplifier U2, a transistor Q1, light emitting diodes LED1-LED2, resistors R5-R12, capacitors C8-C11, a microphone interface MIC1, and a terminal H1.
[0062] As shown in Figure 7 is a circuit diagram of the sound collecting module, the connection relationship between various components is as shown in Figure 7 The microphone interface MIC1 is electrically connected to the electret microphone for signal input, and the electret microphone converts sound signals into electrical signals.
[0063] Pre-amplification function: the transistor Q1 amplifies the weak signal output by the microphone, ensuring that the signal strength is sufficient for subsequent processing.
[0064] Filtering function: capacitors C8, C9, C10, and C11 filter high-frequency noise in the power supply, ensuring the stability of the circuit.
[0065] AD conversion function: the operational amplifier U2 converts the amplified and filtered analog signal into a digital signal, which is output through the comparator output (DO). The DO output terminal is connected to the power supply end VCC and the ground end GND of the MCU through the terminal H1, and the DO end of H1 is connected to the digital input pin of the MCU. In specific implementation, the pin 5 (A0 / AD0) of the MCU is selected to connect the DO end, and the digital level signal output by the DO end is input to the MCU through the pin 5.
[0066] The sound collecting module ensures the stability of the power supply through the filtering circuit, amplifies the weak microphone signal through the pre-amplification circuit, and finally converts the analog signal into a digital signal through AD conversion.
[0067] The electret microphone can accurately distinguish different types of sounds emitted during sleep and collect them specifically.
[0068] As shown in Figure 8The working process schematic diagram of the sleep detection pillow based on Bluetooth is the pillow of the utility model. The utility model on one hand need not user to wear equipment additionally, avoided the discomfort and the interference to the sleep that wearable equipment can bring. The sensor in the pillow can collect the physiological parameter of the sleeper in real time, such as heart rate, respiratory rate etc., and through Bluetooth technology, these data are transmitted to external equipment quickly and stably. On the other hand, the low power consumption characteristic of Bluetooth technology makes the pillow can work continuously in the long time sleep process, and will not consume too much power. At the same time, the compatibility of Bluetooth is strong, can be connected with different brand and model mobile devices, provides greater convenience for the user.
[0069] It is obvious for those skilled in the art that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or essential characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the utility model is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims should be included in the utility model. Any figure mark in the claims should not be regarded as limiting the involved claims.
[0070] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be combined appropriately to form other embodiments that those skilled in the art can understand.
Claims
1. A sleep detection pillow based on Bluetooth, characterized in that: The pillow comprises a main body, on which a control circuit and a plurality of electret microphones are provided; the control circuit is arranged on the bottom of the interior of the pillow; The control circuit includes a microcontroller MCU, a power module, a Bluetooth module, a sound collection module and a data storage module; The plurality of electret microphones are distributed on the top surface of the pillow body and are used to collect sounds made by a sleeper; The power supply module is used to connect to an external power supply and provide power to the control circuit; The microcontroller MCU is connected to the sound collection module and transmits the collected sound data to the remote monitoring device through the Bluetooth module; The data storage module is connected to the microcontroller MCU and is used for storing the collected sound data.
2. The Bluetooth-based sleep detection pillow according to claim 1, characterized in that: The control circuit is covered with a silica gel cover.
3. The Bluetooth-based sleep detection pillow according to claim 1, characterized in that: The remote monitoring device includes a Bluetooth communication module and transmits data to the Bluetooth module through Bluetooth communication.
4. The Bluetooth-based sleep detection pillow according to claim 1, characterized in that: The remote monitoring device is a mobile phone, a tablet computer or a laptop computer.
5. The Bluetooth-based sleep detection pillow according to claim 1, characterized in that: The microcontroller MCU is STM32F103C8T6.
6. The Bluetooth-based sleep detection pillow according to claim 1, characterized in that: The power module includes a power management chip U1, a power input interface VIN, a power output interface VOUT, a resistor RP1, resistors R1 to R4, capacitors C1 to C6, an inductor L1 and a voltage stabilizing diode D1.
7. The Bluetooth-based sleep detection pillow according to claim 6, characterized in that: The power module includes a power management chip U1 which is a step-down converter MP2303.
8. The Bluetooth-based sleep detection pillow according to claim 1, characterized in that: The data storage module includes a storage chip U4 and a capacitor C7.
9. The Bluetooth-based sleep detection pillow according to claim 8, characterized in that: The memory chip U4 is a memory W25Q64.
10. The Bluetooth-based sleep detection pillow according to claim 1, characterized in that: The sound collection module includes an operational amplifier U2, a transistor Q1, light-emitting diodes LED1 to LED2, resistors R5 to R12, capacitors C8 to C11, a microphone interface MIC1 and a connection terminal H1.