CN106821360A - A kind of sensor-based human body pulse frequency testing equipment - Google Patents

Abstract

The invention provides a kind of sensor-based human body pulse frequency testing equipment, including：Measuring table and the pulse frequency measurement apparatus for obtaining human body pulse frequency value；The pulse frequency measurement apparatus are arranged on measuring table；The measuring table includes：Bottom platform and pillar；The bottom platform is connected with the bottom of pillar, for providing gauger standing area；The pulse frequency measurement apparatus are installed on the pillar；The pulse frequency measurement apparatus include：Infrared pulse transducer and the first single-chip microcomputer；The infrared pulse transducer, the pulse frequency value for gathering user, and the pulse frequency value is transferred in the first single-chip microcomputer stores.The invention provides a kind of sensor-based pulse frequency measurement apparatus, pulse frequency value is obtained based on sensor, improve the accuracy of measurement human body pulse frequency value, and this testing equipment is simple and convenient, it is easy to operate.

Description

A sensor-based human pulse rate detection device

technical field

The invention relates to the field of human medical detection, in particular to a sensor-based human pulse rate detection device.

Background technique

In today's life, it is more common to have regular medical examinations. During the physical examination, parameters such as the height, body temperature, weight, pulse rate and blood pressure of the human body are measured separately, and they are all measured one by one. Especially for some large-scale physical examinations, it seems too wasteful of manpower and material resources. If it is for a small number of individuals to measure all items, the physical examination procedures will become more cumbersome. The automatic detection system of human body condition parameters is a complex measurement system, and the measurement of human body pulse rate parameters is one of the detection systems.

The pulse rate detection device is an electronic instrument used to measure the beating times of a person's pulse and heart rate. It has high medical value and application prospects for pulse wave collection and processing. There are also very few instruments for measuring the pulse rate of the human body.

Therefore, prior art awaits further improvement.

Contents of the invention

In view of the deficiencies in the above-mentioned prior art, the purpose of the present invention is to provide users with a sensor-based human pulse rate detection device, which overcomes the defect of inaccurate acquisition of human pulse rate values in the prior art.

The technical solution adopted by the present invention to solve technical problems is as follows:

A sensor-based human body pulse rate detection device, including: a measurement platform and a pulse rate measurement device for obtaining a human body pulse rate value; the pulse rate measurement device is arranged on the measurement platform;

The measuring platform includes: a bottom platform and a pillar;

The bottom platform is connected to the bottom end of the pillar for providing a standing area for the measurer; the pulse rate measuring device is installed on the pillar;

Described pulse rate measuring device comprises: infrared pulse sensor, buzzer, PNP triode and the first single-chip microcomputer;

The infrared pulse sensor is used to collect the pulse rate value of the user, and the pulse rate value is transmitted to the first single-chip microcomputer for storage; the VCC end of the infrared pulse sensor is connected to the VCC power supply terminal, and the Out end of the infrared pulse sensor is connected The P1.4 end of the first single-chip microcomputer, the Trig end of the infrared pulse sensor are connected to the P1.6 end of the first single-chip microcomputer, the P1.5 end of the first single-chip microcomputer is connected to the base of the triode, the collector of the triode is grounded, and the emitter of the triode is connected to the buzzer One end of the buzzer, the other end of the buzzer is connected to the VCC power supply end.

The sensor-based human body pulse rate detection equipment, wherein, the pillar is also equipped with: a human body infrared sensing device;

The human body infrared sensing device includes: a human body infrared sensor, a first light-emitting diode, a second light-emitting diode, a first light-emitting diode and a second single-chip microcomputer;

Each light-emitting diode is arranged below the human body infrared sensor, and is used for cooperating with each other to sense and measure the number of human bodies;

The + pole of the human body infrared sensor is connected to the VCC power supply terminal, the OUT terminal of the human body infrared sensor is connected to the P1. The terminal P1.1 and the negative pole of the first light-emitting diode are connected to the terminal P1.2 of the second single-chip microcomputer, and the negative pole of the first light-emitting diode is connected to the terminal P1.3 of the second single-chip microcomputer.

In the sensor-based human body pulse rate detection device, slide rails are also arranged on the pillars; the human body infrared sensing device and pulse rate measuring device are installed on the sides and bottom of the slide rails, respectively.

The sensor-based human pulse rate detection device, wherein the detection device further includes: an information output device;

The information output device includes: a host computer and a broadcasting speaker; the host computer is electrically connected to the broadcasting speaker; the human body infrared sensor and the infrared pulse sensor are both connected to the host computer.

The sensor-based human pulse rate detection device, wherein an infrared temperature sensor is installed on the pillar, the infrared temperature sensor collects and measures the user's body temperature, and sends the body temperature to the of the upper computer.

In the sensor-based human pulse rate detection device, a blood pressure sensor is installed on the pillar, and the blood pressure sensor collects and measures the blood pressure value of the user, and sends the blood pressure value to an upper computer electrically connected to it.

The human body pulse rate detection device based on the sensor, wherein, the calculation formula of the pulse rate value is:

V= N×6, each measurement period is 10s;

Among them, V is the pulse rate value, and N is the number of pulse high-level signals sent by the infrared pulse sensor.

Beneficial effects, the present invention provides a kind of sensor-based human body pulse rate detection equipment, comprising: a measurement platform and a pulse rate measurement device for obtaining a human body pulse rate value; the pulse rate measurement device is arranged on the measurement platform; The measurement platform includes: a bottom platform and a pillar; the bottom platform is connected to the bottom of the pillar to provide a standing area for the measurer; the pulse rate measuring device is installed on the pillar; the pulse rate measuring device includes: An infrared pulse sensor and a first single-chip microcomputer; the infrared pulse sensor is used to collect the pulse rate value of the user, and transmit the pulse rate value to the first single-chip microcomputer for storage. The invention provides a pulse rate measuring device based on a sensor, which improves the accuracy of measuring the pulse rate of a human body by acquiring the pulse rate value based on the sensor, and the detection device is simple, convenient and easy to operate.

Description of drawings

FIG. 1 is a schematic structural diagram of a sensor-based human pulse rate detection device provided by the present invention.

Fig. 2 is a schematic structural diagram of the sensor-based human pulse rate detection device in a specific embodiment of the present invention.

Fig. 3 is a circuit diagram of the working principle of the sensor-based human pulse rate detection device provided by the present invention.

Fig. 4 is a schematic diagram of the principle diagram of the human body infrared sensing device in the device of the present invention.

Fig. 5 is a diagram of the pulse signal output by the mid-infrared pulse sensor of the present invention.

detailed description

In order to make the object, technical solution and advantages of the present invention more clear and definite, the present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

The present invention provides a kind of sensor-based human body pulse rate detection equipment, as shown in Figure 1, comprising: a measurement platform and a pulse rate measurement device 40 for obtaining a human body pulse rate value; the pulse rate measurement device is arranged on the measurement platform superior;

The measurement platform includes: a bottom platform 20 and a pillar 10;

The bottom platform 20 is connected to the bottom of the pillar 10 for providing a standing area for the measurer; the pulse rate measuring device 40 is installed on the pillar 10;

As shown in FIG. 3 , the pulse rate measurement device 40 includes: an infrared pulse sensor 410, a buzzer 420, a PNP transistor and a first single-chip microcomputer U1;

The infrared pulse sensor is used to collect the pulse rate value of the user, and the pulse rate value is transmitted to the first single-chip microcomputer for storage; the VCC end of the infrared pulse sensor 410 is connected to the VCC power supply end, the Out of the infrared pulse sensor 410 Connect the P1.4 terminal of the first single-chip microcomputer, the Trig terminal of the infrared pulse sensor 410 is connected to the P1.6 terminal of the first single-chip microcomputer, and the P1.5 terminal of the first single-chip microcomputer is connected to the base of the triode, the collector of the triode is grounded, and the emitter of the triode is connected to One end of the buzzer 420 and the other end of the buzzer 420 are connected to the VCC power supply end.

When the user to be tested uses the pulse rate detection device provided by the present invention to measure the pulse rate value, the tester stands on the bottom platform and puts his arm on the infrared pulse sensor 410 to measure the pulse rate value. The pulse high level signal output by 410 is synchronized with the human body pulse of the user to be tested. The first single-chip microcomputer U1 receives the pulse high level signal output by the infrared pulse sensor, and records the pulse high level signal output by it within a predetermined period. Signal times, and store the recorded pulse high-level signal times.

As shown in Figure 3 and Figure 5, the P1.6 port of the first MCU sends a high-level signal to trigger the infrared pulse sensor, and the infrared pulse sensor outputs a pulse signal synchronized with the pulse beat. A single-chip computer counts the number of pulse high-level signals output by the infrared pulse sensor, and automatically calculates the number of pulse high-level signals within a predetermined period (for example: within one minute).

The process of measuring the pulse rate value is: the person under test keeps quiet at first, the P1.6 port of the first microcontroller sends a pulse high-level signal to trigger the infrared pulse sensor 410, and the infrared pulse sensor outputs a pulse signal synchronous with the pulse beat, and at the same time the first The single-chip microcomputer U1 starts timing for 10s. During this period, the number of times the first single-chip microcomputer U1 port P1.4 receives pulse high-level signals within a predetermined period and counts them. After 10s, calculate the pulse rate value according to the algorithm set by the program. The calculation formula of the pulse rate value is: the calculation formula of the pulse rate value is: the calculation formula of the pulse rate value is:

V= N×6, each measurement period is 10s;

Among them, V is the pulse rate value, and N is the number of pulse high-level signals sent by the infrared pulse sensor.

Further, the first single-chip microcomputer U1 has a built-in memory;

The infrared pulse sensor 410 outputs a pulse high-level signal synchronized with the pulse beating frequency, controls the CPU to receive the output times of the pulse high-level signal in a cycle, and calculates the pulse rate value according to the received output times, And input the calculated pulse rate value into the memory for storage.

The first single-chip microcomputer is provided with a memory, and the first single-chip microcomputer receives the pulse high-level signal, records the number of pulse high-level signals received within a preset period, and saves the received number of times in the memory.

In order to better test the pulse rate value of the human body, in specific applications, as shown in Figure 2, the pillar of the pulse rate detection device provided by the present invention is also equipped with: a human body infrared sensing device;

As shown in FIG. 4 , the human body infrared sensing device 50 includes: a human body infrared sensor 510, a first light-emitting diode, a second light-emitting diode, a first light-emitting diode, and a second single-chip microcomputer U2;

Each light-emitting diode is arranged below the human body infrared sensor, and is used for cooperating with each other to sense and measure the number of human bodies;

The + pole of the human body infrared sensor 510 is connected to the VCC power supply terminal, the OUT terminal of the human body infrared sensor 510 is connected to the P1. The P1.1 terminal of the second single-chip microcomputer and the negative pole of the first light-emitting diode are connected to the P1.2 terminal of the second single-chip microcomputer, and the negative pole of the first light-emitting diode is connected to the P1.3 terminal of the second single-chip microcomputer U2.

The first light-emitting diode, the second light-emitting diode and the third light-emitting diode are all arranged on the light-emitting diode panel 30 below the human body infrared sensor 510, and are used for sensing and measuring the number of human bodies in cooperation with each other. When the human body infrared sensor 510 does not detect a human body, the human body infrared sensor continuously sends a high-level signal to the three light-emitting diodes, and the lights of the three light-emitting diodes are turned off. When the human body infrared sensor 510 detects a human body, the human body infrared sensor 510 continuously sends a low level to the light-emitting diode, and the light of the light-emitting diode lights up, indicating that the test user is successfully detected.

Specifically, as shown in FIG. 4 , the measurement process is as follows: before the measurement, the P1.1 port, the P1.2 port and the P1.3 port of the second single-chip microcomputer output high-level signals. As soon as the examinee stands on the weighing platform, the human body infrared sensor senses the human body, and outputs a high-level signal to the P1.0 port, and then the second single-chip microcomputer adds 1 to the initial value of the number of people and overwrites the original value to save, and finally P1. 1 port, P1.2 port and P1.3 port output low level to the light-emitting diode, and the light-emitting diode will light up, indicating that the test user has been successfully detected.

A slide rail is also provided on the pillar 10; the human body infrared sensing device 50 and the pulse rate measuring device 40 are installed on the side and the bottom of the slide rail respectively.

In order to obtain better detection results, a top baffle is also provided on the upper end of the pillar 10, and a sensor transmitting end 110 and a sensor receiving end 100 are arranged on the top baffle; the human body infrared sensor 510 and the infrared pulse The transmitting ends of the sensors 410 are all connected to the sensor transmitting ends; the receiving ends of the human body infrared sensor 510 and the infrared pulse sensor 410 are both connected to the sensor receiving ends.

The detection device further includes: an information output device and a bracket 120 ; the bracket 120 is installed on the pillar 10 , and the information output device is installed on the bracket 120 .

The information output device includes: a host computer 90 and a broadcast speaker; the host computer 90 is electrically connected to the broadcast speaker; the human body infrared sensor 510 and the infrared pulse sensor 410 are all connected with the host computer 90, so as to achieve more For clear pulse signal and infrared signal of human body.

An infrared temperature sensor 80 is also installed on the pillar 10, and the infrared temperature sensor 80 collects and measures the body temperature value of the user, and sends the body temperature value to a host computer 90 electrically connected thereto.

A blood pressure sensor 60 is also installed on the pillar, and the blood pressure sensor 60 collects and measures the blood pressure value of the user, and sends the blood pressure value to a host computer 90 electrically connected thereto.

Each sensor arranged on the pillar is connected with the host computer, and the collected user test data is transmitted to the host computer, and the host computer can save and display the received data.

The invention provides a sensor-based human body pulse rate detection device, comprising: a measurement platform and a pulse rate measurement device for obtaining a human body pulse rate value; the pulse rate measurement device is arranged on the measurement platform; the measurement platform includes : a bottom platform and a pillar; the bottom platform is connected to the bottom of the pillar to provide a standing area for the measurer; the pulse rate measuring device is installed on the pillar; the pulse rate measuring device includes: an infrared pulse sensor and the first single-chip microcomputer; the infrared pulse sensor is used to collect the pulse rate value of the user, and transmit the pulse rate value to the first single-chip microcomputer for storage. The invention provides a sensor-based pulse rate measuring device, which acquires the pulse rate value based on the sensor and improves the accuracy of measuring the pulse rate value of a human body.

It can be understood that those skilled in the art can make equivalent replacements or changes according to the technical solutions and inventive concepts of the present invention, and all these changes or replacements should belong to the protection scope of the appended claims of the present invention.

Claims (7)

1. a kind of sensor-based human body pulse frequency testing equipment, it is characterised in that including：Measuring table and for obtaining human body The pulse frequency measurement apparatus of pulse frequency value；The pulse frequency measurement apparatus are arranged on measuring table；

The measuring table includes：Bottom platform and pillar；

The bottom platform is connected with the bottom of pillar, for providing gauger standing area；Installed on the pillar State pulse frequency measurement apparatus；

The pulse frequency measurement apparatus include：Infrared pulse transducer, buzzer, PNP triode and the first single-chip microcomputer；

The infrared pulse transducer, the pulse frequency value for gathering user, and the pulse frequency value is transferred in the first single-chip microcomputer Storage；The VCC ends of the infrared pulse transducer connect VCC feeder ears, the Out ends of infrared pulse transducer connect the first monolithic Machine P1.4 ends, the Trig ends of infrared pulse transducer connect the first single-chip microcomputer P1.6 ends, the first single-chip microcomputer P1.5 ends and connect three poles The base stage of pipe, the grounded collector of triode, the emitter stage of triode connects one end of buzzer, the other end connection of buzzer VCC feeder ears.

2. sensor-based human body pulse frequency testing equipment according to claim 1, it is characterised in that on the pillar also It is provided with：Human body infrared induction installation；

The human body infrared induction installation includes：Human body infrared inductor, the first light emitting diode, the second light emitting diode, One light emitting diode and second singlechip；

Each light emitting diode is arranged on the lower section of the human body infrared inductor, and human body number is inductively measured for cooperating；

Human body infrared inductor+pole connection VCC feeder ears, the OUT terminal connection second singlechip of human body infrared inductor P1.0 ends, the positive pole connection VCC feeder ears of each light emitting diode, the negative pole connection second singlechip of the first light emitting diode P1.1 ends, the negative pole connection P1.2 ends of second singlechip of the first light emitting diode, the negative pole connection the of the first light emitting diode The P1.3 ends of two single-chip microcomputers.

3. sensor-based human body pulse frequency testing equipment according to claim 2, it is characterised in that on the pillar also It is provided with slide rail；The human body infrared induction installation and pulse frequency measurement apparatus are separately mounted to the side and bottom of slide rail.

4. sensor-based human body pulse frequency testing equipment according to claim 2, it is characterised in that the testing equipment Also include：Information output apparatus；

Described information output device includes：Host computer and broadcast loudspeaker；The host computer and broadcast loudspeaker electrical connection；The human body Infrared inductor and infrared pulse transducer are connected with the host computer.

5. sensor-based human body pulse frequency testing equipment according to claim 4, it is characterised in that on the pillar also Infrared temperature-test sensor, the body temperature value of the infrared temperature-test sensor collection measurement user are installed, and the body temperature value is sent out It is sent to the host computer being connected electrically.

6. sensor-based human body pulse frequency testing equipment according to claim 4, it is characterised in that on the pillar also Blood pressure sensor, the pressure value of the blood pressure sensor collection measurement user are installed, and the pressure value is sent to and it The host computer of electrical connection.

7. sensor-based human body pulse frequency testing equipment according to claim 4, it is characterised in that the pulse frequency value Computing formula is：

V=N × 6, each measure the cycle is 10s；

Wherein, V is pulse frequency value, and N is the number that infrared pulse transducer sends pulse high level signal.