CN204394498U - A kind of wearable monitor - Google Patents

Abstract

The utility model belongs to the technical field of medical care, and the utility model provides a wearable monitor, which includes a main control unit, a physiological information collection unit, and a display unit; the physiological information collection unit is communicated with the main control unit; The physiological information acquisition unit collects the user's ECG signal and the fingertip volume pulse signal and transmits them to the main control unit, and the main control unit processes the obtained ECG signal and the fingertip volume pulse signal to obtain cardiovascular related parameters and sends them to the display unit. Transmit and display a prompt to the user. The utility model can realize the real-time monitoring of the physiological parameters of the family members, and the portable equipment makes the operation simple and effective. The utility model can also be used for hospital medical monitoring and family health monitoring.

Description

A wearable monitor

technical field

The utility model relates to a wearable monitor, which belongs to the technical field of medical care.

Background technique

Telemedicine and home medicine have been developing rapidly in recent years, and wearable physiological parameter monitoring equipment that is easy to use is more used in home medicine. However, many existing devices still have many problems in entering home use. For example, the operation is complicated, and the monitoring parameters are not practical enough.

Utility model content

Aiming at the deficiencies of the prior art, the technical problem to be solved by the utility model is to provide a household wearable monitoring device.

For realizing above-mentioned utility model purpose, the utility model adopts following technical scheme:

A wearable monitor, comprising a main control unit, a physiological information collection unit, and a display unit;

The physiological information collection unit is communicatively connected with the main control unit;

The physiological information collection unit collects the user's ECG signal and fingertip volume pulse signal and transmits them to the main control unit, and the main control unit obtains cardiovascular related parameters according to the obtained ECG signal and fingertip volume pulse signal to the display unit. Transmit and display a prompt to the user.

Wherein preferably, wherein preferably, the physiological information collection unit includes an electrocardiogram collector and a pulse collector;

The ECG collector collects the ECG signal of the user;

The pulse collector collects the pulse signal of the user.

Preferably, it also includes a signal processing unit;

The signal processing unit is connected in communication with the physiological information collection unit and the main control unit;

The signal processing unit converts the analog signal collected by the physiological information collection unit into a digital signal and transmits it to the main control unit.

Wherein preferably, the signal processing unit includes an ADS1191 chip and an AFE4490 chip;

The ECG collector is communicatively connected with the main control unit through the ADS1191 chip;

The pulse collector communicates with the main control unit through the AFE4490 chip.

Wherein preferably, the main control unit is an MSP430 chip.

Preferably, it also includes a wristband and a housing, the wristband is connected to both ends of the housing, the main control unit is arranged in the housing, the ECG collector, the pulse collector It is connected with the main control unit through the interface on the housing; the display unit is embedded in the side of the housing away from the wrist.

Preferably, it further includes a communication module, the communication module is connected to the main control unit, and the cardiovascular related parameters obtained by the main control unit are transmitted to the host computer.

Wherein preferably, the cardiovascular-related parameters include heart rate, heart rate variability, blood oxygen saturation, pulse wave transit time, and non-invasive continuous blood pressure.

Wherein preferably, a filter circuit is further connected between the main control unit and the physiological information collection unit.

Preferably, it further includes a power module, the power module includes a voltage stabilizing circuit, and the voltage stabilizing circuit includes a MIC5205MB33 chip and a TPS61220DCK chip.

Compared with the prior art, the utility model has the following beneficial effects:

The wearable monitor provided by the utility model can realize the real-time monitoring of the physiological parameters of family members, and the portable equipment makes the operation simple and effective. The utility model can also be used for hospital medical monitoring and family health monitoring.

Description of drawings

Fig. 1 is a block diagram of the sensor device of the present invention

Fig. 2 is a circuit diagram of the pulse wave part of the signal processing unit of the present utility model

Fig. 3 is a circuit diagram of the electrocardiogram part of the signal processing unit of the present invention

Fig. 4 is a partial circuit diagram of the utility model single-chip microcomputer

Fig. 5 is the utility model SD card part and clock part circuit diagram

Fig. 6 is a partial circuit diagram of the utility model OLED

Fig. 7 is the circuit diagram of the voltage stabilizing part of the utility model power supply

Fig. 8 is an overall rendering of the wearable monitor of the present invention;

Fig. 9 is a schematic diagram of a display device of the wearable monitor of the present invention;

Fig. 10 is a schematic diagram of the finger-clip blood oxygen sensor of the present invention;

Fig. 11 is a schematic diagram of the button type ECG sensor of the present invention.

Detailed ways

Below in conjunction with accompanying drawing and embodiment, the specific embodiment of the utility model is further described. The following examples are used to illustrate the utility model, but not to limit the scope of the utility model.

Figure 1 shows that the utility model provides a wearable monitor, including a main control unit, a physiological information collection unit, and a display unit; the physiological information collection unit communicates with the main control unit; the physiological information collection unit collects The user's ECG signal and fingertip volume pulse signal are transmitted to the main control unit, and the main control unit processes and obtains cardiovascular related parameters according to the obtained ECG signal and fingertip volume pulse signal, transmits them to the display unit and displays and prompts the user. The following is a detailed description of the wearable monitor provided by the present invention.

In the present utility model, the physiological information collection unit of the wearable monitor includes an electrocardiogram collector and a pulse collector; the ECG collector collects the user's ECG signal; the pulse collector collects the user's pulse signal.

In the utility model, the wearable monitor is also provided with a signal processing unit; the signal processing unit communicates with the physiological information collection unit and the main control unit; the signal processing unit collects the physiological information collection unit The analog signal is converted into a digital signal and transmitted to the main control unit. As shown in Figure 1, the signal processing unit includes an ADS1191 chip and an AFE4490 chip; as shown in Figure 2, the ECG collector communicates with the main control unit through the ADS1191 chip; wherein, ERA and ELA are the The above-mentioned ECG collector transmits analog ECG signals from two channels, and enters the ADS1191 chip after passing through the analog filter circuit, and then transmits to the main control unit from the ADC transmission protocol after analog-to-digital conversion processing. As shown in FIG. 3 , the pulse collector communicates with the main control unit through the AFE4490 chip. Among them, the AFE4490 emits red light and infrared light alternately, and receives the reflected light intensity signal after passing through the filter circuit. After analog-to-digital conversion processing, it is sent back to the main control unit from the SPI transmission protocol. As shown in FIG. 4, the main control unit is an MSP430 chip. The pulse wave and ECG signal are collected synchronously by the ECG collector and the pulse wave collector. The ECG collector passes the pulse wave signal through the AFE4490 chip, and the ECG signal passes through the ADS1191 chip to convert the analog signal into a digital signal and transmit it to the main control unit. MSP430 microcontroller. At the same time, the single-chip microcomputer also has the power detection function. The green light indicates that it is in the working state, and the blue light flashes indicates that the Bluetooth connection is good and data is being transmitted.

The wearable monitor provided by the utility model also includes a storage unit, as shown in Figure 5, the storage unit is an SD card storage device, and the storage unit communicates with the main control unit to store the data obtained by the analysis of the main control unit. Data, its transmission protocol is SPI protocol. The display unit in the wearable monitor is an OLED display. The control circuit of the display screen is shown in Figure 6.

The wearable monitor provided by the utility model also includes a voltage stabilizing circuit, as shown in FIG. 7 . The voltage stabilizing circuit passes the original power through the MIC5205MB33 and TPS61220DCK chips to obtain a stable voltage that can make the entire circuit work normally. When the green LED is continuously lit, it indicates that the circuit voltage is normal and stable.

The single-chip microcomputer can obtain the following cardiovascular parameters by analyzing the data collected by the sensor: heart rate, heart rate variability, blood oxygen saturation, pulse wave transit time, non-invasive continuous blood pressure and other cardiovascular related parameters. A power detection circuit is designed in the circuit, which can transmit the remaining power back to the microcontroller in real time. At the same time, there is also a chip for automatically timing the time in the circuit, which can transmit the real time back to the microcontroller. The single-chip microcomputer can display the calculated parameters, remaining power and real-time time on the OLED display. When needed, the measured ECG and pulse wave data can also be transferred to the SD card for subsequent processing. This can realize the real-time monitoring of the physiological parameters of family members, and the portable equipment makes the operation simple and effective. The device can be used for hospital medical monitoring and home health monitoring.

In one embodiment of the present utility model, the wearable monitor can be made into a wearable watch form, as shown in Figure 8, the wearable monitor includes a wrist strap 11 and a housing 1, the wrist The belt 11 is connected to both ends of the housing 1, the main control unit and the signal conditioning unit are arranged in the housing, and the ECG sensor 5 and the finger-clip blood oxygen sensor 4 are connected to the main control unit through the interface 2 on the housing 1; as shown in the figure As shown in 3, the display unit 6 is embedded in the side of the housing away from the wrist; as shown in Figures 9-11, the ECG sensor 5 includes two contact patch ECG electrodes, and the patch ECG electrodes are button-type ECG sensors. Embedded processing circuitry. The finger-clip blood oxygen sensor 4 includes a projected infrared photoelectric pair tube. The wearable monitor also includes buttons, which are used to switch and adjust the mode of the device. As shown in FIG. 7 , the wearable monitor also includes a power module, which is used to provide power to each module.

The main control unit can obtain the following parameters by analyzing the data collected by the sensor: heart rate, heart rate variability, blood oxygen saturation, pulse wave transit time, non-invasive continuous blood pressure and other cardiovascular related parameters. A power detection circuit is designed in the circuit, which can transmit the remaining power back to the microcontroller in real time. At the same time, there is also a chip for automatically timing the time in the circuit, which can transmit the real time back to the single-chip microcomputer. The single-chip microcomputer can display the analyzed parameters, remaining power and real-time time on the OLED display. When needed, the measured ECG and pulse wave data can also be transferred to the SD card for subsequent processing. It realizes real-time monitoring of physiological parameters of family members, and the portable equipment makes the operation simple and effective. The device can be used for hospital medical monitoring and home health monitoring.

The wearable monitor provided by the utility model realizes the real-time monitoring of the physiological parameters of family members, and the portable equipment makes the operation simple and effective. The utility model can also be used for hospital medical monitoring and family health monitoring.

The above embodiments are only used to illustrate the present utility model, rather than to limit the present utility model, those of ordinary skill in the relevant technical field, without departing from the spirit and scope of the present utility model, can also make various changes and transform. Therefore, all equivalent technical solutions also belong to the protection category of the present utility model.

Claims (10)

1. A wearable monitor, comprising a main control unit, a physiological information acquisition unit, and a display unit; The physiological information collection unit is communicatively connected with the main control unit; The physiological information collection unit collects the user's ECG signal and fingertip volume pulse signal and transmits them to the main control unit, and the main control unit obtains cardiovascular related parameters according to the obtained ECG signal and fingertip volume pulse signal to the display unit. Transmit and display a prompt to the user. 2. The wearable monitor as claimed in claim 1, wherein the physiological information collection unit comprises an electrocardiogram collector and a pulse collector; The ECG collector collects the ECG signal of the user; The pulse collector collects the pulse signal of the user. 3. The wearable monitor according to claim 2, further comprising a signal processing unit; The signal processing unit is communicatively connected with the physiological information collection unit and the main control unit; The signal processing unit converts the analog signal collected by the physiological information collection unit into a digital signal and transmits it to the main control unit. 4. The wearable monitor according to claim 3, wherein the signal processing unit comprises an ADS1191 chip and an AFE4490 chip; The ECG collector is communicatively connected with the main control unit through the ADS1191 chip; The pulse collector communicates with the main control unit through the AFE4490 chip. 5. The wearable monitor according to any one of claims 1-4, wherein the main control unit is an MSP430 chip. 6. The wearable monitor according to any one of claims 2-4, further comprising a wrist strap and a housing, the wrist strap is connected to both ends of the housing, and the main control unit Arranged in the housing, the ECG collector and the pulse collector are connected to the main control unit through the interface on the housing; the display unit is embedded in the side of the housing away from the wrist. 7. The wearable monitor according to any one of claims 1-4, characterized in that, It also includes a communication module, the communication module is connected with the main control unit, and the cardiovascular related parameters obtained by the main control unit are transmitted to the upper computer. 8. The wearable monitor according to claim 1, wherein the cardiovascular related parameters include heart rate, heart rate variability, blood oxygen saturation, pulse wave transit time and non-invasive continuous blood pressure. 9. The wearable monitor according to claim 1, wherein a filter circuit is further connected between the main control unit and the physiological information collection unit. 10. The wearable monitor according to claim 1, further comprising a power module, the power module includes a voltage stabilizing circuit, and the voltage stabilizing circuit includes a MIC5205MB33 chip and a TPS61220DCK chip.