CN109674473A - Respiratory rate judgment method and system - Google Patents
Respiratory rate judgment method and system Download PDFInfo
- Publication number
- CN109674473A CN109674473A CN201710969916.1A CN201710969916A CN109674473A CN 109674473 A CN109674473 A CN 109674473A CN 201710969916 A CN201710969916 A CN 201710969916A CN 109674473 A CN109674473 A CN 109674473A
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- testee
- respiratory rate
- heat sensor
- temperature
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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
- A61B5/08—Detecting, measuring or recording devices for evaluating the respiratory organs
- A61B5/0816—Measuring devices for examining respiratory frequency
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/08—Detecting, measuring or recording devices for evaluating the respiratory organs
- A61B5/091—Measuring volume of inspired or expired gases, e.g. to determine lung capacity
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/74—Details of notification to user or communication with user or patient ; user input means
- A61B5/746—Alarms related to a physiological condition, e.g. details of setting alarm thresholds or avoiding false alarms
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
- A61B2562/02—Details of sensors specially adapted for in-vivo measurements
- A61B2562/0271—Thermal or temperature sensors
Abstract
A kind of respiratory rate judgment method and system, mainly with the heat sensor of the non-contact kenel of a tool sensing distance, from the temperature of side sensing testee's oral-nasal perimeter areas, the change frequency of the temperature sensed again by a processing unit according to the heat sensor received analyzes the number venting one's pent-up feelings of the testee, to judge the respiratory rate of the testee., can be widely available with cheap cost and suitable for society in this way, the effect of monitoring breath state can be easily achievable by simple equipment and process judge, to improve the deficiency of existing product and application.
Description
Technical field
The present invention particularly relates to one kind and judges to exhale by sensing temperature variation about the application of hot array detection technology
Inhale the respiratory rate judgment method and system of frequency.
Background technique
With the progress of medical science and technology, prevention for Apnea symptom is no longer out of reach.Asphyxia monitoring system
Is approximately initially to be suggested in nineteen sixty in Christian era, mainly by the monitoring to cardio-pulmonary function, need to seriously be observed for a long time to look after
Premature, when detect baby breathing it is slack-off when, alert news can be issued early, to deal carefully within prime time, with more
Mend the human time of monitoring in 24 hours and the pressure that can releive.
However, the asphyxia monitoring system being currently known, is mostly by carry in the physiology monitoring dress on patient's mouth and nose, body
It sets, to measure required physiologic information, and then judges whether breathing stops, required equipment and equipment often correspond to
Huge medical expense, it is difficult to popularize and be suitable for looking after at home.In view of this, inventor spy grinds in view of the deficiencies of the prior art
The road for studying carefully improvement is constantly tested and is designed, and completes have the present invention eventually.
Summary of the invention
Present invention is primarily aimed at a kind of respiratory rate judgment method and system is provided, by simple equipment and judgement
Process, can be easily achievable monitoring breath state effect, can it is widely available with cheap cost and be suitable for society, with
Improve the deficiency of existing product and application.
The technological means that the present invention carries out, mainly by the change of divergence of sensing testee temperature and room temperature venting one's pent-up feelings, amount
The number that testee breathes in certain time is measured, and then is inferred to the respiratory rate of testee.
And respiratory rate judgment method provided by the present invention, include following below scheme: a non-contact kenel (1) is provided
Heat sensor；(2) temperature of oral-nasal perimeter areas is sensed from testee face side by heat sensor；(3) basis senses
Temperature change frequency analysis testee expiration number；(4) it is inferred to testee's by the number venting one's pent-up feelings in certain time
Respiratory rate.
In fact, it is silent can further to judge whether the respiratory rate is lower than after judging the respiratory rate of testee
The warning value recognized, issues alert notification early, to reach the monitoring of Apnea and the purpose warned in advance.
Technological means according to the present invention, provided respiratory rate judge that the main frame of system includes tool sensing
The heat sensor of distance and a processing unit；Wherein, the heat sensor of the tool sensing distance is to from the side of testee face
The temperature for sensing testee's oral-nasal perimeter areas is analyzed and exports sensed temperature information；The processing unit telecommunication connects
The heat sensor is connect, the temperature information sensed to receive the heat sensor, and according to the change of temperature in the temperature information
Change the number venting one's pent-up feelings that number analyzes the testee, to judge the respiratory rate of the testee.
Preferably, the respiratory rate judges that system further includes an alarm unit, alarm unit telecommunication connection should
Processing unit, to receive the processing unit judgement respiratory rate information, and can be judged according to the respiratory rate and and
It is early to issue warning.
It is array type infrared heat sensor according to above-mentioned, of the invention heat sensor system, inside has hot array sensing
And main control unit, hot array sensing system be N*M array kenel thermoelectric pile (ThermalPile) sensing component (N, M be from
So number), to detect the temperature regime in preset range, in general, the hot array sensing of high-resolution, sense can be selected
Ranging is from can about reach 1-90 or 1-100cm, and so, the framework of preferably optional 8*8, sensing distance is preferred with 1-50cm, is sensed
The pyramid range that range is about 35 °；And main control unit mainly includes a data acquisition module, a numerical value check-out module and a number
According to broadcasting module, the array data which measures to capture the hot array sensing, the numerical value check-out module
The array data and the virtual value of temperature is determined to analyse and compare, and the datacast module is to handle effective Value Data and broadcast
Report control.
Preferably, respiratory rate of the present invention judges that system can further analyze and determine out the lung capacity value of the testee,
In, the processing unit can be caused according to testee's discharge gas the regional analysis of the temperature change testee distance venting one's pent-up feelings and
Dynamics venting one's pent-up feelings, and then judge the lung capacity value of the testee.
To make above-mentioned purpose of the invention, feature and effect that can obtain more specific understanding, it is preferably real hereby to lift this creation
It applies example and is described in detail with the accompanying drawings as follows.
Detailed description of the invention
Fig. 1 is present pre-ferred embodiments system architecture schematic diagram；
Fig. 2 is the flow chart that the embodiment of the present invention judges respiratory rate；
Fig. 3 is the front schematic view for sensing testee；
Fig. 4 is the side schematic view for sensing testee；
Fig. 5 is the time-temperature relation schematic diagram of sensing of the embodiment of the present invention.
Symbol description:
10 heat sensors
20 processing units
30 alarm units
40 radio frequency units
50 testees
S01-S04 step
A oral-nasal perimeter areas
B1 feels elated and exultant opportunity
B2 air-breathing opportunity.
Specific embodiment
It is shown in Figure 1, main frame of the invention include to each other can information interchange a heat sensor 10, one
Processing unit 20 and an alarm unit 30, in fact, the heat sensor 10, the processing unit 20 and the alarm unit 30 can be according to need
It asks and is separately equipped in identical or different device；In the embodiment of the present invention, which connects processing unit
20, the telecommunication connection includes the mode that wired or wireless electron signal connects, and the processing unit 20 is via a radio frequency list
First 40 communication connections are to the alarm unit 30.
Please again together refering to Fig. 3 and Fig. 4, wherein the heat sensor 10 is the non-contact kenel with certain sensing distance
Thermoinduction component, the temperature of the oral-nasal perimeter areas A to sense the testee 50 from the side of 50 face of testee, analysis
And export sensed temperature information；Then telecommunication connects the heat sensor 10 to the processing unit 20, to receive the heat sensor
The temperature informations of 10 sensings, and the number venting one's pent-up feelings of the testee 50 is analyzed according to temperature change frequency in the temperature information, in turn
The respiratory rate of the testee 50 can be judged according to the number venting one's pent-up feelings in certain time；The radio frequency unit 40 and the processing unit
20 connections, the information to handle the processing unit 20 make long-range send；The alarm unit 30 can penetrate the radio frequency unit 40
The respiratory rate information for receiving the processing unit 20 analytical judgment, is judged according to the warning value of default, when measured should
When the respiratory rate of testee 50 is lower than warning value, alert notification can be issued so that medical staff is handled early.
As shown in figure 5, human body is during breathing, when especially sleeping, one inhale one spit between all have a little pause,
Feel elated and exultant as shown in runic line segment in figure opportunity B1 and air-breathing opportunity B2.For universal, human body temperature is higher than general environment
Temperature (i.e. room temperature), when human body discharge gas, the gas temperature just to have spued can be higher than the temperature of external environment, and the present invention is
The variation of this temperature difference is analyzed, using sensing to calculate the respiratory rate of testee；As shown, when testee 50 is in venting one's pent-up feelings
When opportunity B1 discharge gas, heat sensor 10 can sense the temperature higher than room temperature (dotted line) from oral-nasal perimeter areas A, and work as and spit
After gas, because the conduction of air is spread, the temperature for allowing heat sensor 10 to be sensed is gradually brought to room temperature (i.e. room temperature), then
When testee 50 sucks gas in air-breathing opportunity B2, heat sensor 10 still detects the temperature of room temperature, until the testee 50 exists
Next time when opportunity B1 discharge gas venting one's pent-up feelings, temperature above room temperature can be just sensed again；By the heat sensor 10 by institute
The temperature information of sensing is exported to the processing unit 20, i.e., it can be inferred that the respiratory rate of testee 50.
Please mainly there are the following steps together referring to Fig.2, the present embodiment is for judging the process of respiratory rate again:
(1) step S01 provides the heat sensor 10 of a non-contact kenel, and makes the heat sensor 10 and a processing unit 20 electric
News connection；
(2) heat sensor 10 is placed in the side of testee 50 by step S02, enables the heat sensor 10 from testee 50
The temperature of face side sensing oral-nasal perimeter areas A；
(3) step S03, after starting detecting, which can continue the temperature information of detecting being sent to the processing unit
20, and the processing unit 20 can analyze the number venting one's pent-up feelings of testee 50 according to the temperature change number of sensing；
(4) step S04, venting one's pent-up feelings number and preset judgement time of the processing unit 20 according to testee 50, is extrapolated tested
The respiratory rate of person 50.
In feasible embodiment, heat sensor 10 includes a hot array sensing and a main control unit, hot array sense
Member connection main control unit is surveyed, there is scheduled sensing range and distance, to the temperature regime in reconnaissance range region, and will measure
Array data be supplied to main control unit；And there is main control unit data acquisition module interconnected, a numerical value to detect mould
Block, a datacast module and a device control module, the main function of the data acquisition module are to the hot array sensing
Control and capture the array data that the hot array sensing measures, the main function of the numerical value check-out module is by being captured
The position with detection temperature and its variation is analyzed in array data, and is compared with historical data, determines virtual value, which broadcasts
The main function of report module is controlled virtual value smoothing processing and to the datacast of processing, and the device control module
Main function be the setting of keyholed back plate device, processing system order and return etc. and externally transmitting-receiving message and data keyholed back plate.
In in practical application, after extrapolating the respiratory rate of testee 50 using preceding method, can further apply
The alarm mechanisms (such as the nursing station of medical institutions or the running gear APP of house user) of various environment, according to silent
The warning value recognized makees judgement and early warning also can allow in Medical Devices appropriate certainly, when judging that testee's respiratory rate is low
When warning value, preliminary medical care can be automatically provided, is succoured early.
In turn, the system architecture of the present embodiment is judging outside respiratory rate, which can be tested according to this simultaneously
The considerations of 50 discharge gas of person causes the region of temperature change, analyzes its distance venting one's pent-up feelings, breathes dynamics as it, in turn
The lung capacity value that the testee 50 can be extrapolated is more conducive to the physiological status for assisting to grasp the testee, provides appropriate pre-
Alert and treatment.
In conclusion only presently preferred embodiments of the present invention illustrates, rather than to limit scope of patent protection of the invention,
Specific protection scope should be subject to claim, change or wait according to simply extending made by technical measure such as
Effect displacement, should all fall into the scope of the patents of the invention.
Claims (8)
1. a kind of respiratory rate judgment method, which is characterized in that this method includes the following steps:
The heat sensor of one non-contact kenel is provided；
The temperature of testee's oral-nasal perimeter areas is sensed from the side of testee face by heat sensor；
The number venting one's pent-up feelings of the testee is analyzed by the change frequency of the temperature sensed to judge the respiratory rate of the testee.
2. respiratory rate judgment method as described in claim 1, which is characterized in that the heat sensor is array type infrared ray
Heat sensor.
3. respiratory rate judgment method as claimed in claim 2, which is characterized in that the sensing distance of the heat sensor is 1-
50cm。
4. a kind of respiratory rate judges system, which is characterized in that the system includes:
The heat sensor of one tool sensing distance, to sense the temperature of testee's oral-nasal perimeter areas from the side of testee face
Degree, analyzes and exports sensed temperature information；
One processing unit, telecommunication connect the heat sensor, to receive the temperature information of the heat sensor, and according to the temperature
The change frequency of temperature analyzes the number venting one's pent-up feelings of the testee in information, to judge the respiratory rate of the testee.
5. respiratory rate as claimed in claim 4 judges system, which is characterized in that the heat sensor is array type infrared ray
Heat sensor.
6. respiratory rate as described in claim 4 or 5 judges system, which is characterized in that the sensing distance of the heat sensor
For 1-50cm.
7. respiratory rate as claimed in claim 6 judges system, which is characterized in that the processing unit is further penetrated via one
Frequency unit communications connect an alarm unit, the respiratory rate information of the testee is sent to the alarm unit, and the police
Showing unit can be judged according to the respiratory rate of the testee to issue warning.
8. respiratory rate as claimed in claim 6 judges system, which is characterized in that the processing unit can further basis should
Testee's discharge gas causes the distance venting one's pent-up feelings and dynamics venting one's pent-up feelings of the regional analysis of the temperature change testee, with judge this by
The lung capacity value of survey person.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710969916.1A CN109674473A (en) | 2017-10-18 | 2017-10-18 | Respiratory rate judgment method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710969916.1A CN109674473A (en) | 2017-10-18 | 2017-10-18 | Respiratory rate judgment method and system |
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| Publication Number | Publication Date |
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| CN109674473A true CN109674473A (en) | 2019-04-26 |
Family
ID=66182758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710969916.1A Pending CN109674473A (en) | 2017-10-18 | 2017-10-18 | Respiratory rate judgment method and system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111839519A (en) * | 2020-05-26 | 2020-10-30 | 合肥工业大学 | Non-contact respiratory frequency monitoring method and system |
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Patent Citations (7)
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|---|---|---|---|---|
| US20100268105A1 (en) * | 2009-04-17 | 2010-10-21 | Doron Feldman | System And Method For Monitoring Breathing |
| CN102687155A (en) * | 2009-12-28 | 2012-09-19 | 皇家飞利浦电子股份有限公司 | Biofeedback for program guidance in pulmonary rehabilitation |
| CN201948995U (en) * | 2010-11-17 | 2011-08-31 | 重庆大学 | Simple device with real-time breathing state monitoring function |
| CN102475541A (en) * | 2010-11-30 | 2012-05-30 | 杨龙飞 | Simple sleeping state breath and pulse detection alarm device |
| CN105769200A (en) * | 2016-03-01 | 2016-07-20 | 浙江大学 | Wearable human respiration measuring system and method |
| US20170273621A1 (en) * | 2016-03-23 | 2017-09-28 | Intel Corporation | User's physiological context measurement method and apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111839519A (en) * | 2020-05-26 | 2020-10-30 | 合肥工业大学 | Non-contact respiratory frequency monitoring method and system |
| CN111839519B (en) * | 2020-05-26 | 2021-05-18 | 合肥工业大学 | Non-contact respiratory frequency monitoring method and system |
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