CN112617776A - Portable metabolic rate measuring system - Google Patents
Portable metabolic rate measuring system Download PDFInfo
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- CN112617776A CN112617776A CN202011478424.0A CN202011478424A CN112617776A CN 112617776 A CN112617776 A CN 112617776A CN 202011478424 A CN202011478424 A CN 202011478424A CN 112617776 A CN112617776 A CN 112617776A
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- metabolic rate
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- voltage signal
- physiological parameter
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/0205—Simultaneously evaluating both cardiovascular conditions and different types of body conditions, e.g. heart and respiratory condition
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/03—Detecting, measuring or recording fluid pressure within the body other than blood pressure, e.g. cerebral pressure; Measuring pressure in body tissues or organs
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/48—Other medical applications
- A61B5/4866—Evaluating metabolism
Abstract
The invention discloses a portable metabolic rate measuring system, which comprises: the early-stage metabolic rate calibration module, the physiological parameter acquisition module and the terminal control module; the metabolic rate calibration module is used for establishing a metabolic rate model, the physiological parameter acquisition module is used for acquiring heart rate data and abdominal pressure data of a person to be measured along with time and sending the heart rate data and the abdominal pressure data to the terminal control module, and the metabolic rate of a user is obtained according to the heart rate data, the abdominal pressure data along with time and the metabolic rate model. The invention has the characteristics of convenient carrying, small volume, capability of measuring the metabolic rate of a user in real time, accurate measurement result and the like.
Description
Technical Field
The invention relates to the technical fields of communication, life health and the like, in particular to a portable metabolic rate measuring system.
Background
The measurement of the human body metabolic rate can reflect the human body metabolic level, and the metabolic rate data can provide reference and support for a plurality of researches and daily health, and can provide reference for evaluating the physical ability of a tested person if being applied to talent selection; the method is applied to special environments, such as metabolic rate determination of space stations, and provides experimental basis for space life support systems; the training aid is applied to athletes and military training and provides guidance for training processes and schemes; the method is applied to daily detection, and can provide reference for exercise plans and diet collocation, so that the metabolic rate determination is not negligible in health care.
The existing metabolic rate measuring methods mainly comprise a direct heat measurement method, an indirect heat measurement method, a double-standard water method, a heart rate monitoring method, a formula prediction method and the like. The direct calorimetric method is used for measuring the total heat emitted to the external environment by the whole body in unit time, the total heat is the energy metabolism rate, the principle is simple, the result is accurate, but the manufacturing cost is high, and the technology is complex; the indirect heat measurement method is a method for measuring gas metabolism, but the instrument is usually heavy, difficult to carry and complex to operate, and needs to be matched with corresponding computer software; the double-standard water method is accurate, but real-time measurement is difficult to realize, and the method is mostly applied to measuring local metabolic rate; the heart rate monitoring method is generally simple and portable, but relevant experiments show that the degree of coincidence between the heart rate and the metabolic rate is not high when the heart rate is low; the formula prediction method is not targeted for most people, and accurate and real-time detection cannot be realized.
In summary, although the existing metabolic rate determination methods are many, the research progress mostly stays in the theoretical support level; the existing algorithms are many, and the algorithms really applied to practice are few. Most of the existing metabolic rate measuring instruments are large in size, difficult to carry, incapable of measuring in real time, or incapable of displaying the metabolic rate in real time and large in error.
Disclosure of Invention
The invention aims to provide a portable metabolic rate measuring system which has the characteristics of convenience in carrying, capability of measuring the metabolic rate in real time, accurate measuring result and the like.
In order to achieve the purpose, the invention provides the following scheme:
a portable metabolic rate measurement system, comprising:
the early-stage metabolic rate calibration module is used for establishing a metabolic rate model according to a plurality of groups of heart rate data, respiratory frequency data and metabolic rate data;
the physiological parameter acquisition module is used for acquiring heart rate data and abdominal pressure data of a person to be detected;
and the terminal control module is respectively connected with the early-stage metabolic rate calibration module and the physiological parameter acquisition module and is used for obtaining the user metabolic rate according to the heart rate data, the abdominal pressure data and the metabolic rate model.
Optionally, the physiological parameter acquisition module includes:
the pressure sensor is connected with the terminal control module and used for collecting abdominal pressure data of a person to be tested and sending the abdominal pressure data to the terminal control module;
the reflection type photoelectric sensor is used for measuring a light intensity change signal caused by the blood flow change of a fingertip of a user and converting the light intensity change signal into an analog voltage signal;
and the single chip microcomputer is respectively connected with the reflection type photoelectric sensor and the terminal control module and is used for obtaining a digital voltage signal according to the analog voltage signal and sending the digital voltage signal to the terminal control module.
Optionally, the reflective photosensor comprises:
the device comprises a light source, a light source and a detection module, wherein the light source is used for emitting a light signal to an object to be detected, and the object to be detected reflects the light signal to form a reflected light signal;
and the photoelectric converter is connected with the singlechip and used for obtaining an analog voltage signal according to the reflected light signal and sending the analog voltage signal to the singlechip.
Optionally, the light source is a green LED.
Optionally, the physiological parameter acquisition module further comprises:
and the filter is arranged between the reflective photoelectric sensor and the single chip microcomputer and used for obtaining a filtered analog voltage signal according to the analog voltage signal and sending the filtered analog voltage signal to the single chip microcomputer.
Optionally, the physiological parameter acquisition module further comprises:
and the amplifier is arranged between the reflective photoelectric sensor and the single chip microcomputer and used for obtaining an amplified analog voltage signal according to the analog voltage signal.
Optionally, the portable metabolic rate determining system further comprises:
the first Bluetooth transmission module is connected with the physiological parameter acquisition module;
the second Bluetooth transmission module is connected with the terminal control module and is in wireless connection with the first Bluetooth transmission module;
the physiological parameter acquisition module sends acquired heart rate data and abdominal pressure data to the terminal control module through the first Bluetooth transmission module and the second Bluetooth transmission module.
Optionally, the first bluetooth transmission module includes:
the first Bluetooth unit is connected with the physiological parameter acquisition module and used for receiving the abdominal pressure data acquired by the physiological parameter acquisition module and sending the abdominal pressure data to the second Bluetooth transmission module;
and the second Bluetooth unit is connected with the physiological parameter acquisition module and used for receiving the digital voltage signal and sending the digital voltage signal to the second Bluetooth transmission module.
Optionally, the terminal control module includes:
the data processing unit is respectively connected with the physiological parameter acquisition module and the early-stage metabolic rate calibration module, is used for sampling the abdominal pressure data to obtain corresponding respiratory frequency data, and is used for obtaining the metabolic rate of the user based on the metabolic rate model according to the respiratory frequency data and the heart rate data;
and the data storage unit is connected with the data processing unit and is used for storing the user metabolic rate in the data processing unit.
Optionally, the portable metabolic rate determining system further comprises:
and the dynamic display module is connected with the terminal control module and used for dynamically displaying the metabolic rate result of the user.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects:
according to the portable metabolic rate measuring system, a metabolic rate model is established through the early-stage metabolic rate calibration module, heart rate data and data of abdominal pressure changing along with time of a person to be measured are collected through the physiological parameter collection module and sent to the terminal control module, and the user metabolic rate is obtained according to the heart rate data, the data of abdominal pressure changing along with time and the metabolic rate model. The invention has the characteristics of convenient carrying, small volume, capability of measuring the metabolic rate of a user in real time, accurate measurement result and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic block diagram of a portable metabolic rate measuring system according to the present invention;
FIG. 2 is a schematic illustration of the placement of an abdominal pressure transducer of the portable metabolic rate measuring system of the present invention;
FIG. 3 is a schematic view of the placement of a reflective photosensor of the portable metabolic rate measuring system of the present invention;
FIG. 4 is a schematic diagram of a mobile phone software interface of the portable metabolic rate measuring system of the present invention.
Description of the symbols:
1-early-stage metabolic rate calibration module, 2-physiological parameter acquisition module, 21-pressure sensor, 22-reflection type photoelectric sensor, 23-filter, 24-amplifier, 25-single chip microcomputer, 3-first Bluetooth transmission module, 31-first Bluetooth unit, 32-second Bluetooth unit, 4-second Bluetooth transmission module, 5-terminal control module, 51-data processing unit, 52-data storage unit and 6-dynamic display module.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a portable metabolic rate measuring system which has the characteristics of convenience in carrying, real-time measurement, accuracy in measurement and the like.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1, the portable metabolic rate measuring system of the present invention includes: the early metabolic rate calibration module 1, the physiological parameter acquisition module 2 and the terminal control module 5.
Specifically, the early-stage metabolic rate calibration module 1 is configured to establish a metabolic rate model according to a plurality of sets of heart rate data, respiratory frequency data, and metabolic rate data;
the physiological parameter acquisition module 2 is used for acquiring heart rate data and abdominal pressure data of a person to be measured along with time;
the terminal control module 5 is respectively connected with the early-stage metabolic rate calibration module 1 and the physiological parameter acquisition module 2, and is used for obtaining the metabolic rate of the user according to the heart rate data, the data of the change of the abdominal pressure along with the time and the metabolic rate model.
Further, as shown in fig. 1, the physiological parameter acquisition module 2 includes: a pressure sensor 21, a reflection type photoelectric sensor 22 and a singlechip 25.
The pressure sensor 21 is connected with the terminal control module 5 and is used for acquiring data of abdominal pressure of a person to be tested along with time and sending the data of the abdominal pressure along with the time to the terminal control module 5;
the reflective photoelectric sensor 22 is used for measuring a light intensity change signal caused by the blood flow change of the fingertip of the user and converting the light intensity change signal into an analog voltage signal;
the single chip microcomputer 25 is respectively connected to the reflective photoelectric sensor 22 and the terminal control module 5, and is configured to obtain a digital voltage signal according to the analog voltage signal and send the digital voltage signal to the terminal control module 5.
Specifically, the reflective photoelectric sensor 22 includes: a light source, a photoelectric transducer (not shown).
The light source is used for emitting a light signal to an object to be detected, and the object to be detected reflects the light signal to form a reflected light signal;
the photoelectric converter is connected with the single chip microcomputer 25 and used for obtaining an analog voltage signal according to the reflected light signal and sending the analog voltage signal to the single chip microcomputer 25.
Preferably, in the embodiment of the present invention, the light source is a green LED with a wavelength of 515nm and a model of AM 2520.
The pressure sensor 21 measures data of abdominal pressure changes in a resting state and different movement states; the reflection type photoelectric sensor 22 measures light intensity change signals of the finger tip blood flow change reaction in a resting state and different motion states; when light beams penetrate through peripheral blood vessels of a human body, the light transmittance of the light beams is changed due to the change of the blood volume caused by artery pulsation, namely, light intensity signals are changed; since the pulse is a signal that changes periodically with the pulsation of the heart, the arterial blood vessel volume also changes periodically, and thus the change period of the analog voltage signal of the photoelectric transducer is the pulse rate, i.e. the heart rate.
In order to further optimize the above technical solution, the pressure sensor 21 and the reflective photoelectric sensor 22 are connected by a bandage and are respectively placed on the abdomen and the fingertips of the human body, and the placement mode is shown in fig. 2 and 3.
Further, in order to make the measurement result more accurate, the physiological parameter acquisition module 2 further includes: and a filter 23.
The filter 23 is disposed between the reflective photoelectric sensor 22 and the single chip microcomputer 25, and configured to obtain a filtered analog voltage signal according to the analog voltage signal and send the filtered analog voltage signal to the single chip microcomputer 25.
The physiological parameter acquisition module 2 further comprises: an amplifier 24.
The amplifier 24 is arranged between the reflective photoelectric sensor 22 and the single chip microcomputer 25, and is configured to obtain an amplified analog voltage signal according to the analog voltage signal.
Preferably, in the embodiment of the present invention, the filter 23 is respectively connected to the reflective photoelectric sensor 22 and the amplifier 24, and the amplifier 24 is disposed between the filter 23 and the single chip microcomputer 25.
Further, as shown in fig. 1, the portable metabolic rate measuring system of the present invention further includes: a first Bluetooth transmission module 3 and a second Bluetooth transmission module 4.
The first Bluetooth transmission module 3 is connected with the physiological parameter acquisition module 2;
the second Bluetooth transmission module 4 is connected with the terminal control module 5 and wirelessly connected with the first Bluetooth transmission module 3;
the physiological parameter acquisition module 2 sends the acquired heart rate data and the acquired abdominal pressure data to the terminal control module 5 through the first Bluetooth transmission module 3 and the second Bluetooth transmission module 4.
Further, the first bluetooth transmission module 3 includes: a first bluetooth unit 31 and a second bluetooth unit 32.
The first Bluetooth unit is connected with the physiological parameter acquisition module 2 and used for receiving the data of the change of the abdominal pressure along with the time acquired by the physiological parameter acquisition module 2 and sending the data of the change of the abdominal pressure along with the time to the second Bluetooth transmission module 4;
the second bluetooth unit 32 is connected to the physiological parameter acquisition module 2, and is configured to receive the digital voltage signal and send the digital voltage signal to the second bluetooth transmission module 4;
preferably, in the embodiment of the present invention, the model of the first bluetooth unit 31 is HKH-11L, and the model of the second bluetooth unit 32 is HC-05, but this is not taken as an example, and the model can be selected according to actual needs.
The first Bluetooth transmission module 3 and the physiological parameter acquisition module 2 are arranged in an integrated manner.
Further, the terminal control module 5 includes: a data processing unit 51 and a data storage unit 52.
The data processing unit 51 is respectively connected with the physiological parameter acquisition module 2 and the early-stage metabolic rate calibration module 1, and is configured to sample data of the abdominal pressure changing with time to obtain corresponding respiratory frequency data, and obtain a user metabolic rate based on the metabolic rate model according to the respiratory frequency data and the heart rate data;
the data storage unit 52 is connected to the data processing unit 51, and is configured to store the user metabolic rate in the data processing unit 51.
The data processing unit 51 calculates the pole number of pressure change waves in 5s each time by sampling the received abdominal pressure data changing along with time and comparing the values, and estimates the respiratory frequency of one minute, namely the real-time respiratory frequency of the user;
the data storage unit 52 stores the obtained metabolic rate data and supports the historical viewing of the metabolic rate;
preferably, in order to facilitate the user to view the measurement result of the metabolic rate, the portable metabolic rate measuring system of the present invention further comprises: and a dynamic display module 6.
The dynamic display module 6 is connected with the terminal control module 5 and used for dynamically displaying the user metabolic rate result, and the dynamic display module 6 can display the current metabolic rate value and the change trend in two forms of drawing and data.
Preferably, in the embodiment of the present invention, the terminal control module 5 is a mobile phone software, wherein the mobile phone software is developed in an Eclipse environment and generated by writing in a JAVA language, and a software interface is shown in fig. 4.
In addition, the second bluetooth transmission module 4, the terminal control module 5 and the early metabolic rate calibration module 1 are integrally arranged at a mobile phone end.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. For the system disclosed by the embodiment, the description is relatively simple because the system corresponds to the method disclosed by the embodiment, and the relevant points can be referred to the method part for description.
The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (10)
1. A portable metabolic rate measurement system, comprising:
the early-stage metabolic rate calibration module is used for establishing a metabolic rate model according to a plurality of groups of heart rate data, respiratory frequency data and metabolic rate data;
the physiological parameter acquisition module is used for acquiring heart rate data and abdominal pressure data of a person to be detected;
and the terminal control module is respectively connected with the early-stage metabolic rate calibration module and the physiological parameter acquisition module and is used for obtaining the metabolic rate of the user according to the heart rate data, the abdominal pressure data and the metabolic rate model.
2. The portable metabolic rate determining system according to claim 1, wherein the physiological parameter collecting module comprises:
the pressure sensor is connected with the terminal control module and used for collecting the abdominal pressure data of the person to be tested and sending the abdominal pressure data to the terminal control module;
the reflection type photoelectric sensor is used for measuring a light intensity change signal caused by the blood flow change of a fingertip of a user and converting the light intensity change signal into an analog voltage signal;
and the single chip microcomputer is respectively connected with the reflection type photoelectric sensor and the terminal control module and is used for obtaining a digital voltage signal according to the analog voltage signal and sending the digital voltage signal to the terminal control module.
3. The portable metabolic rate determining system according to claim 2, wherein the reflective photoelectric sensor comprises:
the device comprises a light source, a light source and a detection module, wherein the light source is used for emitting a light signal to an object to be detected, and the object to be detected reflects the light signal to form a reflected light signal;
and the photoelectric converter is connected with the singlechip and used for obtaining an analog voltage signal according to the reflected light signal and sending the analog voltage signal to the singlechip.
4. The portable metabolic rate determining system according to claim 3, wherein the light source is a green LED.
5. The portable metabolic rate determining system according to claim 2, wherein the physiological parameter collecting module further comprises:
and the filter is arranged between the reflective photoelectric sensor and the single chip microcomputer and used for obtaining a filtered analog voltage signal according to the analog voltage signal and sending the filtered analog voltage signal to the single chip microcomputer.
6. The portable metabolic rate determining system according to claim 2, wherein the physiological parameter collecting module further comprises:
and the amplifier is arranged between the reflective photoelectric sensor and the single chip microcomputer and used for obtaining an amplified analog voltage signal according to the analog voltage signal.
7. The portable metabolic rate determining system according to claim 1, further comprising:
the first Bluetooth transmission module is connected with the physiological parameter acquisition module;
the second Bluetooth transmission module is connected with the terminal control module and is in wireless connection with the first Bluetooth transmission module;
the physiological parameter acquisition module sends acquired heart rate data and abdominal pressure data to the terminal control module through the first Bluetooth transmission module and the second Bluetooth transmission module.
8. The portable metabolic rate determining system according to claim 7, wherein the first bluetooth transmission module includes:
the first Bluetooth unit is connected with the physiological parameter acquisition module and used for receiving the abdominal pressure data acquired by the physiological parameter acquisition module and sending the abdominal pressure data to the second Bluetooth transmission module;
and the second Bluetooth unit is connected with the physiological parameter acquisition module and used for receiving the digital voltage signal and sending the digital voltage signal to the second Bluetooth transmission module.
9. The portable metabolic rate measuring system according to claim 1, wherein the terminal control module includes:
the data processing unit is respectively connected with the physiological parameter acquisition module and the early-stage metabolic rate calibration module, is used for sampling the abdominal pressure data to obtain corresponding respiratory frequency data, and is used for obtaining the metabolic rate of the user based on the metabolic rate model according to the respiratory frequency data and the heart rate data;
and the data storage unit is connected with the data processing unit and is used for storing the user metabolic rate in the data processing unit.
10. The portable metabolic rate determining system according to claim 1, further comprising:
and the dynamic display module is connected with the terminal control module and used for dynamically displaying the metabolic rate result of the user.
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| CN202011478424.0A CN112617776A (en) | 2020-12-15 | 2020-12-15 | Portable metabolic rate measuring system |
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| CN202011478424.0A CN112617776A (en) | 2020-12-15 | 2020-12-15 | Portable metabolic rate measuring system |
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| US6475158B1 (en) * | 2000-10-24 | 2002-11-05 | Korr Medical Technologies, Inc. | Calorimetry systems and methods |
| CA2599148A1 (en) * | 2005-02-22 | 2006-08-31 | Health-Smart Limited | Methods and systems for physiological and psycho-physiological monitoring and uses thereof |
| CN204971245U (en) * | 2015-07-14 | 2016-01-20 | 上海华旌科技有限公司 | Human many parameter monitoring of vital sign system |
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