CN215937341U - Fingertip part physiological characterization detection device - Google Patents
Fingertip part physiological characterization detection device Download PDFInfo
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- CN215937341U CN215937341U CN202121637287.0U CN202121637287U CN215937341U CN 215937341 U CN215937341 U CN 215937341U CN 202121637287 U CN202121637287 U CN 202121637287U CN 215937341 U CN215937341 U CN 215937341U
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Abstract
The utility model relates to the technical field of medical equipment, in particular to a fingertip part physiological characterization detection device, which comprises: the wearable device is connected with the host and is worn by the hand of the person to be detected and used for acquiring heart rate and blood oxygen data of the person to be detected; the host is connected with the upper computer and/or the mobile terminal through the wireless data transmission module and is used for recording and remotely monitoring heart rate and blood oxygen data of the testee through the upper computer and/or the mobile terminal. The heart rate and blood oxygen measuring device is simple in structure, convenient to operate and high in integration level, and has good application prospect, and the problems of poor portability, difficulty in operation, high production cost and the like of the conventional detecting device are solved while the heart rate and blood oxygen measuring functions are met.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to a fingertip part physiological characterization detection device.
Background
The heart rate and the blood oxygen are important characteristics of human physiology, the current health condition of a human body can be intuitively reflected, and particularly, the heart rate signal is taken as an important judgment basis for judging whether vital signs exist clinically. The attack group of cardiovascular diseases is no longer limited to the middle-aged and elderly people, the trend of youthfulness causes the attack group to be enlarged continuously, and the precursor of the attack of the cardiovascular diseases is arrhythmia. The heart rate of human body changes and all is caused by the vasodilatation and the artery constriction effect of human inside artery basically, and normal people is heartbeat number of times per minute under the quiet state 60 ~ 100 times/minute, can be because of physiological factors such as age difference to some extent, and normal oxygen content is 95% in the blood, and the too fast or too slow of heart rate all can influence the people healthy, and blood oxygen concentration then has represented the good or bad of health metabolism, so to be indispensable to the daily change detection of heart rate and blood oxygen.
Various heart rate and blood oxygen detection devices are available in the market, but the device is limited by a large volume and cannot meet the portable requirement, and the measurement device with high precision is usually high in price and complicated in operation process and is not suitable for daily application; even portable like measuring equipment such as bracelet, manufacturing cost is higher relatively, and the measuring part has also restricted all age bracket crowds' use for wrist department, and does not possess remote alarm and remind the function. .
Disclosure of Invention
Therefore, the fingertip position physiological representation detection device provided by the utility model has the advantages of simple structure, convenience in operation and high integration level, meets the heart rate and blood oxygen measurement functions, and solves the problems of poor portability, difficulty in operation, high production cost and the like of the conventional detection device.
According to the design scheme provided by the utility model, the fingertip part physiological characterization detection device comprises: the wearable device is connected with the host and is worn by the hand of the person to be detected and used for acquiring heart rate and blood oxygen data of the person to be detected; the host is connected with the upper computer and/or the mobile terminal through the wireless data transmission module and is used for recording and remotely monitoring heart rate and blood oxygen data of the testee through the upper computer and/or the mobile terminal.
As the fingertip position physiological characterization detection device of the present invention, further, the host computer includes: the central processing unit, and a power module and a data display module of the central processing unit; the wireless data transmission module is connected with the central processing unit for communication in an IIC communication mode through a data line.
As the fingertip part physiological representation detection device, the central processing unit is further connected with a buzzer alarm.
As the fingertip part physiological characterization detection device, the central processing unit is composed of an STM32F103RCT6 main controller chip and a signal auxiliary circuit connected with the main controller chip; the signal auxiliary circuit includes: the system comprises a system clock circuit, an SWD downloading circuit and a reset key circuit.
As the fingertip part physiological representation detection device, further, the data display module adopts an OLED display screen which is in serial communication connection with the central processing unit through the SPI.
As the fingertip part physiological representation detection device, the wireless data transmission module is further connected with a cloud server for cloud storage of heart rate and blood oxygen data, and the upper computer and/or the mobile terminal can take data through the cloud server.
As the fingertip position physiological characterization detection device, further, the wearable device adopts a reflective photoelectric MAX30102 integrated circuit to detect heart rate and blood oxygen data of a person to be detected.
As the fingertip position physiological representation detection device of the present invention, further, the wireless data transmission module includes: ESP8266 integrated circuit and RT9193-33 voltage stabilization chip circuit connected with ESP8266 integrated circuit.
The utility model has the beneficial effects that:
the heart rate and blood oxygen signal acquisition, processing, display and transmission device is simple in structure, novel and reasonable in design, and can be combined with an embedded detection system to realize acquisition, processing, display and transmission of heart rate and blood oxygen signals, so that the reliability of the device is improved, the cost is effectively reduced, and the smaller volume of the hardware of the detection system provides convenience for moving and carrying; the detection device can be set to be in a standby dormant state after being powered on, the device is switched to be in a working state only when the finger is detected to be in contact with the heart rate blood oxygen sensor, and the heart rate and blood oxygen signals of a person to be detected are collected, so that the working energy consumption can be effectively reduced under the condition that the system is not powered off; the operation is simple, no complicated process is needed, and the detection can be finished only by electrifying the system and enabling the finger tips to be close to the heart rate blood oxygen detection sensor for a period of time; the heart rate and blood oxygen measured values can be displayed on the data display module in real time, and when the measured values exceed a set normal threshold value, a buzzer is triggered to give an alarm, so that a human being to be tested is reminded to take necessary measures in time; the measured value can also be uploaded to the cloud server through the wireless transmission module, and the upper computer or the mobile terminal reads the measured value stored by the cloud server, so that the remote monitoring function is realized, the physical condition of the tested person can be remotely known even if the person is not near the tested person, and the remote monitoring system has a better application prospect.
Description of the drawings:
FIG. 1 is a schematic view of the structure of the apparatus in the example;
FIG. 2 is a schematic diagram of a main controller chip in the embodiment;
FIG. 3 is a schematic diagram of a system clock circuit connected to a host controller in an embodiment;
FIG. 4 is a schematic diagram of an embodiment of an SWD download circuit connected to a host controller;
FIG. 5 is a schematic diagram of a key reset circuit connected to a host controller in an embodiment;
FIG. 6 is a schematic diagram of a power supply module in an embodiment;
FIG. 7 is a schematic diagram of an embodiment of a reflective electro-optic MAX30102 integrated circuit;
FIG. 8 is a schematic of an exemplary ESP8266 integrated circuit;
FIG. 9 is a circuit diagram of a voltage regulator chip in the embodiment;
FIG. 10 is a circuit diagram of a data display module in an embodiment;
FIG. 11 is a schematic diagram of a buzzer alarm circuit in an embodiment.
The specific implementation mode is as follows:
the present invention will be described in further detail below with reference to the accompanying drawings and technical solutions, and embodiments of the present invention will be described in detail by way of preferred examples, but the embodiments of the present invention are not limited thereto.
An embodiment of the present invention, as shown in fig. 1, provides a fingertip physiological characterization detection apparatus, including: the wearable device is connected with the host and is worn by the hand of the person to be detected and used for acquiring heart rate and blood oxygen data of the person to be detected; the host is connected with the upper computer and/or the mobile terminal through the wireless data transmission module and is used for recording and remotely monitoring heart rate and blood oxygen data of the testee through the upper computer and/or the mobile terminal. Simple structure, the modern design, reasonable can combine embedded detecting system to realize heart rate and blood oxygen signal's collection, processing, demonstration and transmission, increases the reliability of device, effective reduce cost, and the less volume of detecting system hardware is carried for removing and is provided conveniently.
As a fingertip position physiological characterization detection device in the embodiment of the present invention, further, the host includes: the central processing unit, and a power module and a data display module of the central processing unit; the wireless data transmission module is connected with the central processing unit for communication in an IIC communication mode through a data line. Furthermore, the central processing unit is also connected with a buzzer alarm.
The power supply is the basis for detecting the normal operation of the system and provides two working voltages of 5V and 3.3V for the system. The voltage of the main controller power supply can access a stable 5V power supply which is subjected to voltage reduction by 7805 through a USB line, and the power supply is used for powering on the system. However, since the power supply voltage of most peripheral modules directly connected to the main control chip is 3.3V, further voltage reduction is required. As shown in fig. 6, since the input voltage and the output voltage in the power supply circuit may have voltage fluctuation to generate peak voltage, and if the peak voltage is not effectively processed, the whole device circuit may be affected, and even the main control chip may be burned out due to unstable voltage, a filtering process is required in terms of input and output to reduce the effect of the peak voltage. C24 and C27 are high-frequency filter capacitors, and C23 and C26 are low-frequency filter capacitors, and are used for reducing input and output voltage ripples and inhibiting self-oscillation of the ASM 1117. Wherein J3 is a power interface of USB system and provides 5V working voltage for the system; u4 is AMS1117-3.3V forward low voltage regulator, can work under low input voltage, realizes the conversion of voltage from high to low to guarantee that the module that is directly connected with the main controller has stable 3.3V supply voltage. J3-2 is system power input, connected with U1 through current limiting resistor F1, and supplies power for U1; j3-5 is system power ground.
Referring to fig. 11, the buzzer alarm circuit is composed of a resistor R15, a triode Q1 and a buzzer U8, and because the output current of the IO port of the main controller is limited and cannot meet the rated current of the alarm circuit, the current can be amplified by using a triode amplifier circuit, and when the measured value exceeds the set threshold, the electrode potential becomes low, the transistor is turned on, and the alarm circuit starts to operate.
As a fingertip part physiological characterization detection device in the embodiment of the utility model, further, the central processing unit consists of an STM32F103RCT6 main controller chip and a signal auxiliary circuit connected with the main controller chip; the signal auxiliary circuit includes: the system comprises a system clock circuit, an SWD downloading circuit and a reset key circuit.
The heart rate and blood oxygen signals to be detected are digitalized by the central processing unit and then are displayed by the display module, the data can be transmitted to the upper computer through a network interface, and the measured data can be stored and further accurately analyzed by utilizing the computing capability and the data processing capability of the upper computer.
Referring to fig. 2 to 5, U1 is an STM32F103RCT6 main controller chip, J1 is an SWD download interface, and KEY1 is a reset button. J1-1 is the download circuit grounding; j1-2 is connected with U1-49 and is used for inputting a serial clock signal SWCLK for a download interface; j1-3 is connected with U1-46 and outputs signal SWDIO for serial clock of download interface; j1-4 is connected with U4-Vout for supplying power to the system during burning.
As the fingertip part physiological representation detection device in the embodiment of the utility model, further, the data display module adopts an OLED display screen which is in serial communication connection with the central processing unit through an SPI.
Referring to fig. 10, a 0.96 inch OLED display screen may be selected as the display component. The module adopts a very thin organic material layer and a glass substrate, when current flows, the organic materials can emit light, and the module has the advantages of no need of backlight, wide visual angle range, high contrast, low energy consumption, high refreshing reaction speed, high full color and the like. This module has SPI communication interface, can arrange the SPI interface of master control singlechip in pairs, and low power consumption and high contrast not only can be energy-conserving in addition, have more increased visual interface aesthetic property. Wherein, U5 is OLED liquid crystal display. U5-8 is connected with U1-31 and is the grounding end of the data display module; u5-13 is connected with U1-30 and is a display module chip selection signal OLED _ CS; u5-14 is connected to U1-33 for the display module reset signal OLED _ RST; u5-15 is connected with U1-29 and is display module command or data read-write signal OLED _ DC; u5-18 is connected to U1-34 and is the display module clock signal OLED _ SCK; u5-19 is connected to U1-36 for display module data signal OLED _ MOSI; and the U5-6 is connected with the U1-32 and supplies 3.3V working voltage for the display module.
As the fingertip part physiological representation detection device, the wireless data transmission module is further connected with a cloud server for cloud storage of heart rate and blood oxygen data, and the upper computer and/or the mobile terminal can take data through the cloud server.
As the fingertip position physiological characterization detection device in the embodiment of the present invention, further, the wearable device uses a reflective photoelectric MAX30102 integrated circuit to detect heart rate and blood oxygen data of a subject to be detected.
Referring to fig. 7, MAX30102 is a module of integrated pulse oximeter and heart rate monitor biosensor, which communicates via a standard I2C compliant interface, and the module can be turned off by zero standby current software, so that the power supply is always on. U3 is RCWL-9183 voltage reduction and stabilization chip, the OUT pin outputs stable 3.3V working voltage to supply power for the heart rate blood oxygen sensor, and the voltage is further reduced and stabilized to 1.8V logic power voltage through P2, so as to provide communication level for I2C communication; u6 is MAX30102 heart rate blood oxygen sensor, and P3 is the corresponding function pin outlet interface. The P3-7 is connected with the J3-2 and supplies power to the heart rate blood oxygen acquisition module; p3-6 is connected with U1-53 and is I2C bus clock signal M _ SCL; the P3-5 is connected with the U1-52 and is an I2C bus data signal interface M _ SDA; p3-4 is connected with U1-21 and is a heart rate sensor interrupt pin M _ INT; the P3-1 is connected with the U1-12 and is the grounding end of the heart rate blood oxygen collecting module.
As the fingertip position physiological representation detection device of the present invention, further, the wireless data transmission module includes: ESP8266 integrated circuit and RT9193-33 voltage stabilization chip circuit connected with ESP8266 integrated circuit.
Referring to fig. 8 and 9, an ESP8266WIFI module is selected, the ESP8266 module integrates a microprocessor chip, and the chip internally includes four general interface circuits, namely a radio frequency circuit, a power management circuit, a crystal oscillator circuit and a MAC. U2 is RT9193-33, is a voltage stabilizing chip special for providing ultra-low noise and low quiescent current for portable radio frequency and wireless application, and provides 3.3V working voltage for a wireless data transmission module; u7 is an ESP8266WiFi module; p1 is the corresponding pin out interface. The P1-1 is connected with the U7-GPIO0 and selects an interface GPIO0 for a firmware programming mode of the wireless data transmission module; p1-2 is suspended and is a reset interface REST; the P1-3 is connected with the U1-16 and is a module serial port signal receiving pin RXD _ TTL; the P1-4 is connected with the U1-17 and is a module serial port signal transmitting pin TXD _ TTL; the P1-5 is connected with the U1-18 and is the grounding end of the wireless data transmission module; the P1-6 is connected with the J3-2 and supplies power to an ESP8266 wireless data transmission module; LED1 indicates the module operating status.
Biomedical measurement is increasingly closely related to clinical medicine and daily health care and medical treatment, and human physiological conditions can be better known and mastered through detection of human heart rate and blood oxygen signals. When the device has heart rate and blood oxygen detection basic function in this case scheme, have easy operation concurrently, easily carry, low-power consumption, characteristics such as low cost, can send the early warning when the detected data surpasss normal threshold value to can realize long-range receipt detected data, solve remote analysis and the control to detecting signal, it is more convenient to use, has better application prospect.
The term "and/or" herein means that three relationships may exist. For example, a and/or B may represent: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter associated objects are in an "or" relationship.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and claims of this application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
Exemplary embodiments of the present invention have been described in detail with reference to the preferred embodiments, however, it will be understood by those skilled in the art that various changes and modifications may be made to the specific embodiments described above and various combinations of the technical features and structures proposed by the present invention may be made without departing from the concept of the present invention, and the scope of the present invention is defined by the appended claims. The foregoing description of specific exemplary embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the utility model and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the utility model and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the utility model be defined by the claims and their equivalents.
Claims (6)
1. A fingertip position physiological characterization detection device, comprising: the wearable device is connected with the host and is worn by the hand of the person to be detected and used for acquiring heart rate and blood oxygen data of the person to be detected; the host is connected with the upper computer and/or the mobile terminal through the wireless data transmission module and is used for recording and remotely monitoring heart rate and blood oxygen data of a detector through the upper computer and/or the mobile terminal;
the host includes: the central processing unit, and a power module and a data display module of the central processing unit; the wireless data transmission module is connected with the central processing unit for communication in an IIC communication mode through a data line;
the central processing unit consists of an STM32F103RCT6 main controller chip and a signal auxiliary circuit connected with the main controller chip; the signal auxiliary circuit includes: the system comprises a system clock circuit, an SWD downloading circuit and a reset key circuit.
2. The fingertip part physiological characterization detection device according to claim 1, wherein the central processing unit is further connected with a buzzer alarm.
3. The fingertip position physiological representation detection device according to claim 1, wherein the data display module adopts an OLED display screen connected with the central processing unit in SPI serial communication.
4. The fingertip position physiological representation detection device according to claim 1, wherein the wireless data transmission module is further connected with a cloud server for cloud storage of heart rate and blood oxygen data, and the upper computer and/or the mobile terminal take data through the cloud server.
5. The fingertip portion physiological characterization detection device according to claim 1, wherein the wearable device uses a reflective photoelectric MAX30102 integrated circuit to detect heart rate and blood oxygen data of a subject.
6. The fingertip portion physiological representation detecting device according to claim 1, wherein the wireless data transmission module comprises: ESP8266 integrated circuit and RT9193-33 voltage stabilization chip circuit connected with ESP8266 integrated circuit.
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| CN202121637287.0U CN215937341U (en) | 2021-07-19 | 2021-07-19 | Fingertip part physiological characterization detection device |
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| CN202121637287.0U CN215937341U (en) | 2021-07-19 | 2021-07-19 | Fingertip part physiological characterization detection device |
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