CN112857574B - Indoor safety remote alarm system based on infrared temperature monitoring - Google Patents
Indoor safety remote alarm system based on infrared temperature monitoring Download PDFInfo
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- CN112857574B CN112857574B CN202110010274.9A CN202110010274A CN112857574B CN 112857574 B CN112857574 B CN 112857574B CN 202110010274 A CN202110010274 A CN 202110010274A CN 112857574 B CN112857574 B CN 112857574B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 33
- 238000003384 imaging method Methods 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 9
- 230000036760 body temperature Effects 0.000 claims description 7
- 238000009529 body temperature measurement Methods 0.000 claims description 6
- 230000002159 abnormal effect Effects 0.000 abstract description 4
- 201000010099 disease Diseases 0.000 abstract description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 abstract description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 206010033799 Paralysis Diseases 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
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- 230000001815 facial effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/0022—Radiation pyrometry, e.g. infrared or optical thermometry for sensing the radiation of moving bodies
- G01J5/0025—Living bodies
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/0014—Radiation pyrometry, e.g. infrared or optical thermometry for sensing the radiation from gases, flames
- G01J5/0018—Flames, plasma or welding
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B19/00—Alarms responsive to two or more different undesired or abnormal conditions, e.g. burglary and fire, abnormal temperature and abnormal rate of flow
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J2005/0077—Imaging
Abstract
The invention relates to the technical field of indoor monitoring, and particularly discloses an indoor safety remote alarm system based on infrared temperature monitoring, which comprises a space temperature distribution monitoring system, a data processing and analyzing system and an alarm system, wherein the space temperature distribution monitoring system comprises an infrared temperature detector arranged indoors, the infrared temperature detector is used for detecting an indoor high-temperature area and transmitting the temperature of the high-temperature area and the contour position parameters of the high-temperature area to the data processing and analyzing system, and the data processing and analyzing system judges whether an alarm instruction needs to be sent to the alarm system or not by analyzing the change rule of the temperature of the high-temperature area and the contour position parameters of the high-temperature area. The invention can remotely send alarm information under the conditions of sudden diseases and abnormal fire of the old people living alone, thereby improving the timeliness and effectiveness of external rescue.
Description
Technical Field
The invention relates to the technical field of indoor monitoring, in particular to an indoor safety remote alarm system based on infrared temperature monitoring.
Background
In cities and rural areas, empty nest old people or solitary old people are more and more, the health and personal safety of the crowd at home become the focus of attention of children and women, the real-time alarm system for abnormal body health and home safety of the old people is urgently needed for discovering and taking intervention measures at the first time, the home monitoring facility at the present stage is generally a camera, the real-time image of people can be checked, and the information for real-time alarm of walking of the people can also be provided.
The camera is adopted in the house control, and the monitoring effect is directly proportional with the time of paying out with the number of times that long-range personnel looked over, and personnel's health monitoring's instantaneity randomness is too big, and the old man walks around indoors, triggers long-range receiving arrangement and frequently reports to the police, and the unusual condition appears, also very easily causes long-range personnel's neglect and paralysis, can not react immediately, makes the processing.
Disclosure of Invention
The invention aims to provide an indoor safety remote alarm system based on infrared temperature monitoring, so that alarm information can be sent out remotely under the conditions of sudden diseases and abnormal fire conditions of the elderly living alone, and the timeliness and effectiveness of external rescue are improved.
In order to solve the technical problem, the invention provides an indoor safety remote alarm system based on infrared temperature monitoring, the system comprises a space temperature distribution monitoring system, a data processing and analyzing system and an alarm system;
the space temperature distribution monitoring system comprises an infrared temperature detector arranged indoors, the infrared temperature detector is used for detecting an indoor high-temperature area and transmitting the high-temperature area temperature and the high-temperature area outline position parameters to the data processing and analyzing system, and the data processing and analyzing system judges whether an alarm instruction needs to be sent to the alarm system or not by analyzing the change rule of the high-temperature area temperature and the high-temperature area outline position parameters.
Preferably, the number of the infrared temperature detectors is multiple, and the infrared temperature detectors are seamlessly connected according to 180 degrees in an indoor monitoring area according to the imaging angle of the lens.
Preferably, the infrared temperature detector is a bicolor infrared temperature measurement photoelectric detector, the bicolor infrared temperature measurement photoelectric detector comprises an imaging system and a detection area imaging digital system, and the bicolor infrared temperature measurement photoelectric detector can set infrared detection wavelength according to the characteristics of human body temperature, a stove fire source and fire temperature.
Preferably, the infrared temperature detector is used for imaging the monitoring area, digitizing the imaging area grid and using the coordinates (x) of each point of the high-temperature area outline i ，y i ) Representing and numbered sequentially, constituting a closed-loop region.
Preferably, the data processing and analyzing system is used for recording a contour coordinate set (x) of the high-temperature region of the human body i ，y i ) Calculating the slope of the curve Deltax with the time t i Δ t and Δ y i Obtaining a slope-time curve;
when the slope of the curve Δ x i/ Δ t or Δ y i The absolute value of/delta t is more than or equal to 2m/s, and the coordinate value x i Amplitude of change Δ x i Or y i Amplitude of change Δ y i When the absolute value of the alarm is 1.4 m-2 m, the data processing and analyzing system sends an alarm finger to the alarm systemOrder;
when the slope of the curve Δ x i At or Δ y i Absolute value of/Δ t<When the speed is 2m/s, the data processing and analyzing system does not send an alarm instruction;
and when the absolute value of the slope delta xi/delta t or the absolute value of the slope delta yi/delta t of the curve is more than or equal to 2m/s and the contour of the high-temperature area of the human body appears or disappears, the data processing system does not send an alarm instruction.
Preferably, the coordinate set (x) is set within a set T time period i ，y i ) Any one value is changed, and Δ x i [ Delta ] t or [ Delta ] y i The/delta t is not equal to 0, and the data processing and analyzing system does not send an alarm instruction;
when the coordinate set (x) i ，y i ) All values are continuously unchanged, and Δ x i Δ t and Δ y i And the/delta T is equal to 0, the accumulated time reaches T, and the data processing and analyzing system sends an alarm instruction to the alarm system.
Preferably, the infrared temperature detector is used for collecting the change of the temperature Tb of the human body high-temperature area along with the time t, and the data processing and analyzing system is used for recording the data of the profile temperature Tb and the time t of the human body high-temperature area and calculating the slope delta Tb/delta t of the curve;
when the slope of the curve delta Tb/delta t is less than 0 and the slope of the curve delta Tb is greater than the set temperature d ℃, the data processing and analyzing system sends an alarm instruction to the alarm system;
and when the slope of the curve delta Tb/delta t is greater than 0 and the slope of the curve delta Tb is greater than the set temperature e ℃, the data processing and analyzing system sends an alarm instruction to the alarm system.
Preferably, the data processing and analyzing system is used for recording other high-temperature area contour coordinate sets (x) i ，y i ) The data of (a);
when Δ x i Or Δ y i And when the value is larger than the set value a, the data processing and analyzing system sends an alarm instruction to the alarm system.
Preferably, the other high temperature region includes a stove fire source and an initial fire, and the temperature of the other high temperature region is more than 200 ℃.
Preferably, the alarm system is an alarm or a mobile terminal, and software for communicating with the data processing and analyzing system is arranged in the mobile terminal.
According to the indoor safety remote alarm system based on infrared temperature monitoring, disclosed by the invention, according to the principles that the temperatures are different and the infrared radiation capabilities are different, the x and y values of the contour position of the human body and the body temperature Tb are taken as references, a data processing and analyzing system is combined to establish a human body health abnormity alarm system for the solitary old, and the x and y values of the contours of other high-temperature areas, such as a stove fire source and a high-temperature area of an initial fire, are taken as references to establish a fire alarm system, so that the remote alarm information sending is realized under the conditions of sudden diseases and abnormal fire conditions of the solitary old, and the timeliness and effectiveness of external rescue are improved.
Drawings
Fig. 1 is a flowchart of an indoor safety remote alarm system based on infrared temperature monitoring according to an embodiment of the present invention.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
As shown in fig. 1, the indoor safety remote alarm system based on infrared temperature monitoring of the present embodiment includes: the system comprises a space temperature distribution monitoring system, a data processing and analyzing system and an alarm system.
The space temperature distribution monitoring system comprises an infrared temperature detector arranged indoors, the infrared temperature detector is used for detecting an indoor high-temperature area and transmitting the high-temperature area temperature and the high-temperature area outline position parameters to a data processing and analyzing system, and the data processing and analyzing system judges whether an alarm instruction needs to be sent to an alarm system or not by analyzing the change rule of the high-temperature area temperature and the high-temperature area outline position parameters.
The infrared temperature detectors can be a plurality of infrared temperature detectors, and the infrared temperature detectors are seamlessly connected according to 180 degrees of indoor monitoring areas according to the imaging angle of the lens. The infrared temperature detector can be a bicolor infrared temperature-measuring photoelectric detector which comprises an imaging system and a detection area imaging digital system, and the bicolor infrared temperature-measuring photoelectric detector can measure the temperature of a human body,The characteristics of the fire source and the fire temperature of the stove are set with infrared detection wavelength. The infrared temperature detector is used for imaging the monitoring area, digitizing the imaging area grid and using the coordinates (x) of each point of the high temperature area outline i ，y i ) Representing and numbered sequentially, constituting a closed-loop region.
When the high-temperature area is a human body (the temperature is 36-37 ℃), the data processing and analyzing system is used for recording the contour coordinate set (x) of the high-temperature area of the human body i ，y i ) Calculating the slope of the curve Deltax with the time t i Δ t and Δ y i And a/delta t is obtained to obtain a slope-time curve which represents the speed of the position change of each point of the human body contour in the space at a certain moment. Where x and y are body contour position parameters. When the delta x/delta t or the delta y/delta t is mutated, the data processing and analyzing system sends an alarm instruction to the alarm system.
When the slope of the curve Δ x i/ Δ t or Δ y i The absolute value of/delta t is more than or equal to 2m/s, and the coordinate value x i Amplitude of change Δ x i Or y i Amplitude of change Δ y i When the absolute value of (a) is 1.4m to 2m, a coordinate value (x) of a certain point of the human body contour at a certain time is described i ，y i ) Undergoes drastic changes, expressed as Deltax i Curve/Δ t-t or Δ y i And when the/delta t-t curve shape changes suddenly, the data processing and analyzing system sends an alarm instruction to the alarm system.
When the slope of the curve Δ x i [ Delta ] t or [ Delta ] y i Absolute value of/Δ t<At 2m/s, the curve of delta x/delta t-t or delta y/delta t-t changes smoothly or regularly, representing the body movement or movement of people, and the data processing and analyzing system does not send an alarm instruction.
When the absolute value of the slope of the curve delta xi/delta t or the absolute value of the slope of the curve delta yi/delta t is larger than or equal to 2m/s, and the outline of the human body high-temperature area appears or disappears, it is indicated that a human body temperature area or the human body temperature area disappears from a monitoring interface suddenly when a person enters or leaves a room, the data processing and analyzing system starts to acquire the human body outline coordinates (x, y) or the human body outline coordinates (x, y) disappear, and the data processing system does not send an alarm instruction.
When the set T time period is within the set time period, the coordinate set (x) i ，y i ) Any one value is changed, and Δ x i [ Delta ] t or [ Delta ] y i The/delta t is not equal to 0, and the data processing and analyzing system does not send an alarm instruction; when the coordinate set (x) i ，y i ) All values are continuously unchanged, and Δ x i Δ t and Δ y i And the/delta T is equal to 0, the accumulated time reaches T, and the data processing and analyzing system sends an alarm instruction to the alarm system. I.e. a quiet alarm mode, if the time period T (arbitrarily selected, e.g. 1 hour, 2 hours or 4 hours, etc., and can be set according to the time period of day, night, lifestyle habits) is within the time period T, the coordinate set (x) i ，y i ) Change in any value, Δ x i At or Δ y i T =0, (x) T ≠ 0 i ，y i ) The values are all continuously unchanged, Δ x i Δ t and Δ y i And if the/delta T is equal to 0, the T is accumulated, and the time reaches the alarm limit, namely, a remote alarm is triggered.
The infrared temperature detector is used for collecting the change of the temperature Tb of the human body high-temperature area along with the time t, and the data processing and analyzing system is used for recording the data of the profile temperature Tb and the time t of the human body high-temperature area and calculating the slope delta Tb/delta t of the curve; when the slope of the curve delta Tb/delta t is less than 0 and delta Tb is higher than the set temperature d ℃, the data processing and analyzing system sends an alarm instruction to the alarm system; and when the slope of the curve delta Tb/delta t is greater than 0 and delta Tb is greater than the set temperature e ℃, the data processing and analyzing system sends an alarm instruction to the alarm system. The temperature of human head is higher than the temperature of other parts of the body, and the temperature of the facial area is collected by the infrared detection system and is used as the human body temperature Tb. The data processing and analyzing system draws according to Tb-t data, can calculate the slope value of a Tb-t curve at a certain moment as delta Tb/delta t at intervals (the system is set to be in a second level or a minute level), the slope of the curve is smaller than zero, the body is cooled, and the slope is larger than zero, the body temperature is increased; the system obtains the average temperature of the human body as a reference based on Tb-t data, calculates delta Tb at a certain moment, and triggers remote alarm if the calculated value delta Tb/delta t is less than 0 and delta Tb is greater than d (DEG C) at the certain moment, which represents that the human is in danger; if the delta Tb/delta t is greater than 0 and the delta Tb is greater than e (DEG C), the fever of the human body is serious, and a remote alarm is triggered.
The data processing and analyzing system is used for recording other high-temperature area contour coordinate sets (x) i ，y i ) The data of (a); other high temperature zones including stove fire sourcesAnd initial fire, and the temperature of other high temperature regions is more than 200 ℃.
When Δ x i Or Δ y i And when the value is larger than the set value a, the data processing and analyzing system sends an alarm instruction to the alarm system. The temperature of the stove fire source is generally above 800 ℃, the initial fire disaster is realized, the temperature is generally above 200 ℃, the characteristic of the temperature of a human body is obviously distinguished in an infrared detection system, the combustion range of the stove fire source is limited near the stove, the initial fire disaster can spread, the combustion area is changed quickly, the high-temperature area is imaged in the infrared detection system, and the coordinates (x) of each point of the outline of the fire source are collected i ，y i ) The data processing and analyzing system judges the contour coordinate (x) i ，y i ) Change in either value by overrun, Δ x>20cm or Δ y>And 20cm, the system considers the fire to spread and triggers a remote alarm.
The alarm system is an alarm or a mobile terminal, and software for communicating with the data processing and analyzing system is arranged in the mobile terminal.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (4)
1. An indoor safety remote alarm system based on infrared temperature monitoring is characterized by comprising a space temperature distribution monitoring system, a data processing and analyzing system and an alarm system;
the space temperature distribution monitoring system comprises an infrared temperature detector arranged indoors, the infrared temperature detector is used for detecting an indoor high-temperature area and transmitting the high-temperature area temperature and the high-temperature area outline position parameters to the data processing and analyzing system, and the data processing and analyzing system judges whether the alarm system needs to send the alarm system with the change rule of the high-temperature area temperature and the high-temperature area outline position parametersSending an alarm instruction, wherein the data processing and analyzing system is used for recording a contour coordinate set (x) of a high-temperature area of the human body i ，y i ) Calculating the slope of the curve Deltax with the data of time t i Δ t and Δ y i Obtaining a slope-time curve;
when the slope of the curve Δ x i/ Δ t or Δ y i The absolute value of/delta t is more than or equal to 2m/s, and the coordinate value x i Amplitude of change Δ x i Or y i Amplitude of change Δ y i When the absolute value of the alarm is 1.4 m-2 m, the data processing and analyzing system sends an alarm instruction to the alarm system;
when the slope of the curve Δ x i At or Δ y i Absolute value of/Δ t<When the speed is 2m/s, the data processing and analyzing system does not send an alarm instruction;
when the absolute value of the slope of the curve delta xi/delta T or the absolute value of the slope of the curve delta yi/delta T is more than or equal to 2m/s and the contour of the high-temperature area of the human body appears or disappears, or when the set T time period is within a set time period, a coordinate set (x) i ，y i ) Any one value is changed, and Δ x i [ Delta ] t or [ Delta ] y i The/delta t is not equal to 0, and the data processing and analyzing system does not send an alarm instruction;
when the coordinate set (x) i ，y i ) All values are continuously unchanged, and Δ x i Δ t and Δ y i The/delta T is equal to 0, the accumulated time reaches T, and the data processing and analyzing system sends an alarm instruction to the alarm system;
the data processing and analyzing system is used for recording other high-temperature area contour coordinate sets (x) i ，y i ) The data of (a);
when Δ x i Or Δ y i When the value is larger than a set value a, the data processing and analyzing system sends an alarm instruction to the alarm system;
the infrared temperature detector is a double-color infrared temperature measurement photoelectric detector, the double-color infrared temperature measurement photoelectric detector comprises an imaging system and a detection area imaging digital system, the double-color infrared temperature measurement photoelectric detector can set infrared detection wavelength according to the characteristics of human body temperature, stove fire source and fire temperature, is used for imaging a monitoring area, digitalizes an imaging area grid, and uses coordinates (x) for each point of a high-temperature area outline i ，y i ) Representing and numbering in sequence to form a closed-loop area;
the infrared temperature detector is used for collecting the change of the temperature Tb of the human body high-temperature area along with the time t, the data processing and analyzing system is used for recording the data of the profile temperature Tb and the time t of the human body high-temperature area and calculating the slope delta Tb/delta t of the curve;
when the slope of the curve delta Tb/delta t is less than 0 and the slope of the curve delta Tb is greater than the set temperature d ℃, the data processing and analyzing system sends an alarm instruction to the alarm system;
and when the slope of the curve delta Tb/delta t is greater than 0 and the slope of the curve delta Tb is greater than the set temperature e ℃, the data processing and analyzing system sends an alarm instruction to the alarm system.
2. The indoor safety remote alarm system based on infrared temperature monitoring as claimed in claim 1, wherein the number of the infrared temperature detectors is multiple, and the infrared temperature detectors are seamlessly connected according to the imaging angle of the lens and 180 degrees in the indoor monitoring area.
3. The infrared temperature monitoring based indoor safety remote alarm system as claimed in claim 1, wherein the other high temperature areas include a stove fire source and an initial fire, and the temperature of the other high temperature areas is more than 200 ℃.
4. The infrared temperature monitoring-based indoor safety remote alarm system as claimed in claim 1, wherein the alarm system is an alarm or a mobile terminal, and software for communicating with the data processing and analyzing system is arranged in the mobile terminal.
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| CN102280005B (en) * | 2011-06-09 | 2014-10-29 | 广州飒特红外股份有限公司 | Early warning system for fire prevention of forest based on infrared thermal imaging technology and method |
| CN105096514B (en) * | 2015-07-31 | 2017-05-10 | 天津职业技术师范大学 | Intelligent fire hazard alarm method of temperature process monitoring based on infrared shooting |
| CN109741569A (en) * | 2019-01-21 | 2019-05-10 | 中国电子科技集团公司第三十八研究所 | Intelligent three-dimensional garage fire alarm disposal system and method |
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