CN112315439A

CN112315439A - Electronic sphygmomanometer with pulse waveform

Info

Publication number: CN112315439A
Application number: CN202011404188.8A
Authority: CN
Inventors: 张茺
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-06
Filing date: 2020-12-06
Publication date: 2021-02-05

Abstract

The invention discloses an electronic sphygmomanometer with a pulse waveform. The invention can display the pulse fluctuation condition and directly observe whether irregular beating exists or not. The invention adopts a singlechip as a core, and is composed of hardware such as a power circuit, a signal conditioning circuit, an A/D conversion circuit, a wireless transmitting circuit, an LCD dot matrix display, a keyboard circuit, a miniature air pump, a sleeve, an inflation/deflation circuit and the like, and matched software, so that multi-parameter measurement results such as pulse dynamic, high voltage, low voltage, pulse peak value, peak half-height width, heart rate fluctuation and the like can be displayed and sent to the cloud. The far end can check other measurement results except pulse graphs through matched software, family members can know the physical condition of a measurer in time, a doctor guides a patient to take medicine by analyzing measurement data for many times, and statistical analysis can be carried out on blood pressure data of people of different ages, different sexes and different regions.

Description

Electronic sphygmomanometer with pulse waveform

Technical Field

The invention relates to a sphygmomanometer, in particular to an electronic sphygmomanometer with a pulse waveform.

Background

With the continuous progress of the development of the society in China, the living standard of people is continuously improved, certain diseases are more and more common, particularly cardiovascular diseases show an expanding trend, and more hypertension patients are in the same trend. The hypertension patient needs to monitor the blood pressure frequently, if go to the hospital each time, the patient needs to register, queue, wait, go back and forth twice, and is troublesome, at this moment, the family sphygmomanometer is suitable for the birth, at present, many families have the sphygmomanometer, mercury type or electronic sphygmomanometer, and especially the electronic sphygmomanometer is widely applied. The existing electronic blood pressure meters are generally displayed in a digital mode, and mainly display the height of blood pressure, the average heart rate and the like. The displayed content is less, and doctors and off-site family can not know the measurement result in time. The invention provides an electronic sphygmomanometer capable of observing pulse waveforms, aiming at the defects of a common electronic sphygmomanometer, the waveforms of the pulse under different pressure conditions can be observed, meanwhile, the measurement result can be transmitted to a remote doctor and family through a network, the measurement result not only comprises the results of the blood pressure and the average heart rate which are measured conventionally, but also comprises the results of pulse intensity analysis and heart rate fluctuation condition analysis, and whether the pulse waveforms are regular or not, whether the phenomena of premature beat, irregular heart rate and the like can be observed in the measurement process.

Disclosure of Invention

The invention discloses an electronic sphygmomanometer with a pulse waveform. The STM32 single chip microcomputer is used as a core, a peripheral circuit is added, the device comprises a power supply circuit, a signal conditioning circuit, a sampling holding circuit, an A/D conversion circuit, a wireless transmitting circuit, an LCD dot matrix display, a keyboard circuit, a micro air pump, a sleeve, an inflation circuit, an deflation circuit and other hardware, and matched software is formed, and the device comprises a display instant pressure value, an inflation circuit for the sleeve, a judgment of whether measurement is finished or not, deflation for the sleeve, a measurement result display and a measurement result sending to a cloud end, and in addition, matched software is used for taking data from the cloud end to a user terminal or displaying the data on a mobile phone or a computer. The upper arm measuring mode is adopted, the cuff is inflated and pressurized to sense the pulse and the change of the blood pressure, a pressure signal is converted into an electric signal through a piezoelectric sensor, the electric signal passes through a signal processing circuit, the signal is sorted, amplified and separated, and then passes through a holding circuit and is input into an A/D conversion part, so that a core MCU senses the change of the blood pressure and the pulse, meanwhile, the waveform of the pulse change is displayed on an LCD display screen, when the pressure is increased to a certain value, the pressurization is stopped, an air release circuit is started, the gas in the cuff is released, the measuring result is calculated, the high pressure, the low pressure, the average heart rate, the heart rate fluctuation rate, the pulse peak value, the pulse half-peak width and the like are displayed on the LCD display screen, the memory storage is realized, and meanwhile, the measuring result is. The remote end can view other measurements besides pulse patterns and can view multiple sets of data. In the measurement gap, the data stored locally can be checked to analyze the variation of the blood pressure.

The invention has the advantages that:

the invention adopts the MCU and the LCD display, can display the pulse waveform, and leads a measurer to clearly see the pulse in the measuring process, if the pulse has irregular pulse, such as premature beat and irregular heart rate, the measurer can directly watch the pulse, in addition, the parameters of the measuring result are more, including parameters of high pressure, low pressure, heart rate fluctuation condition analysis, pulse peak value, pulse half-height peak width and the like, and the body of the measurer can be evaluated from a plurality of aspects. The measurement result can also be transmitted to the cloud end through wireless transmission, and through supporting software, relevant doctors or family members can check the blood pressure condition of the measurer through a mobile phone or a PC terminal, so that the family members can know the physical condition of the measurer in time, and the doctors can analyze the measurement result and guide the patient to take medicine for dozens of times. The researcher can also carry out statistical analysis on the blood pressure data of persons in different ages, different sexes and different regions through the remote end.

Drawings

FIG. 1 is a block diagram of the hardware components of an electronic sphygmomanometer with pulse waveforms.

The labels in the figure are: 1. a power circuit 2, an air pump 3, a cuff 4, an air pressure sensor 5, a signal conditioning circuit 6, an A/D conversion circuit 7, a wireless transmitting circuit 8, a MCU 9, a storage circuit 10, an LCD display screen 11, a key circuit 12, an air release circuit 13, an air release valve 14 and an inflation circuit

Detailed Description

The present invention will be described in detail with reference to the accompanying fig. 1 and the detailed description.

Referring to the attached drawing 1, the electronic sphygmomanometer with the pulse waveform mainly comprises a power circuit (1), an air pump (2), a cuff (3), an air pressure sensor (4), a signal conditioning circuit (5), an A/D conversion circuit (6), a wireless transmitting circuit (7), an MCU (8), a storage circuit (9), an LCD display screen (10), a key circuit (11), a deflation circuit (12), a deflation valve (13), an inflation circuit (14) and the like.

It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention, for example, changing the model of the MCU, or the model of the gas pressure sensor, or the size of the display screen, or the a/D conversion part, or the key mode to the touch key, selecting the battery as the external power supply, or selecting the AC/DC adapter, etc., all of which do not belong to the innovative efforts.

When an external power supply is switched on, the power supply circuit (1) integrates the external power supply to the voltage levels suitable for the MCU (8), the air pump (2) and other electric devices, when a measurer presses a measuring start button, the MCU (8) controls the air pump (2) to inflate the cuff (3) by controlling the charging circuit (14), and simultaneously controls the deflating circuit (12) to prohibit the deflating valve (13) from deflating, the gas pressure sensor (4) converts the gas pressure of the cuff into an electric signal which is connected to the A/D conversion circuit (6) by the signal conditioning circuit (5), the MCU (8) reads the A/D conversion result and converts the A/D conversion result to display the pressure in the cuff on the LCD display screen (10), and simultaneously displays the gas pressure in the cuff on the LCD display screen (10) in a graphic mode along with the change of pulse pulsation, and simultaneously, the MCU (8) monitors the pressure change in the cuff, and whether the measurement is finished or not is judged, when the measurement is finished, the MCU (8) controls the air pump (2) to stop inflating and pressurizing the cuff (3) through controlling the inflation circuit (14), controls the deflation valve (13) through controlling the deflation circuit (12), so that the air in the cuff is released, and then displays the measurement result on the LCD display screen (10), wherein the measurement result comprises low pressure, high pressure, heart rate fluctuation rate, pulse peak value half-height width, pulse peak value and the like of the blood pressure of the current measurement, and the result is sent to the cloud end through the wireless transmitting unit (7), and related remote personnel can download related software to check the blood pressure data of related personnel in a near period on a mobile phone, and researchers or doctors can know the blood pressure data of the related measurement personnel through the PC end to research or guide the medication of patients.

Claims

1. The electronic sphygmomanometer with pulse waveform is characterized by comprising hardware such as a power circuit, an air pump, a cuff, an air pressure sensor, a signal conditioning circuit, an A/D conversion circuit, a wireless transmitting circuit, a storage circuit, an LCD display screen, a key circuit, an MCU, an inflation/deflation circuit and corresponding software.

2. The electronic sphygmomanometer with pulse waveform as claimed in claim 1, wherein during the measurement, the LCD displays the dynamic waveform of the pulse on the monitor, so that the user can see whether the pulse is regular or not at any time during the measurement.

3. The electronic sphygmomanometer with pulse waveform of claim 1, wherein after the measurement, the pulse waveform during the measurement can be played back, so that the relevant personnel can view the waveform of the pulse under different pressures.

4. The electronic sphygmomanometer with pulse waveform according to claim 1, wherein the measurement is finished by displaying not only the commonly used high pressure, low pressure and heart rate parameters, but also the heart rate fluctuation parameter, so that simple heart rate variability analysis can be performed.

5. The electronic sphygmomanometer with pulse waveform as claimed in claim 1, wherein the measurement result further displays a pulse intensity indicator, which indicates a peak value and a half-height width of the peak value of the pulse wave.

6. The electronic sphygmomanometer with pulse waveform as claimed in claim 1, wherein the memory measurement result can be stored, and the user can look back on the electronic sphygmomanometer, and the user can observe whether the blood pressure is affected or not in different time periods.

7. The electronic sphygmomanometer with pulse waveform as claimed in claim 1, wherein the measurement result can be sent to the cloud, the remote end can check the blood pressure change of the tester on the mobile phone through the software, the medical staff can check the blood pressure change of the relevant staff at the PC end and guide the patient to take medicine, and the researchers can study the blood pressure of the staff in different gender and different age and different region.