CN111780878A - Infrared temperature measurement scene identification system and corresponding terminal - Google Patents
Infrared temperature measurement scene identification system and corresponding terminal Download PDFInfo
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- CN111780878A CN111780878A CN202010647069.9A CN202010647069A CN111780878A CN 111780878 A CN111780878 A CN 111780878A CN 202010647069 A CN202010647069 A CN 202010647069A CN 111780878 A CN111780878 A CN 111780878A
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- 238000009529 body temperature measurement Methods 0.000 title claims abstract description 75
- 210000001061 forehead Anatomy 0.000 claims abstract description 55
- 230000007246 mechanism Effects 0.000 claims abstract description 50
- 238000001514 detection method Methods 0.000 claims abstract description 8
- 238000005259 measurement Methods 0.000 claims abstract description 7
- 238000003331 infrared imaging Methods 0.000 claims description 29
- 238000004458 analytical method Methods 0.000 claims description 12
- 238000004861 thermometry Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 10
- 230000009471 action Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000009826 distribution Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 230000036760 body temperature Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000005457 Black-body radiation Effects 0.000 description 1
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- 230000017531 blood circulation Effects 0.000 description 1
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- 238000003745 diagnosis Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- 238000003908 quality control method Methods 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
- G01J2005/0077—Imaging
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Abstract
The invention relates to an infrared temperature measurement scene identification system and a corresponding terminal, comprising: the infrared thermometer is used for performing measurement operation on the forehead of a person to be subjected to temperature measurement under the control of the temperature measuring person so as to obtain the corresponding forehead temperature; the distance detection equipment is arranged on the left side of a temperature measurement port of the infrared thermometer and is used for detecting the real-time distance from a target in front of the temperature measurement port to the temperature measurement port; and the state control mechanism is respectively connected with the infrared thermometer and the distance detection equipment and is used for sending a temperature measurement starting command when the received real-time distance is between 5 cm and 6 cm. The infrared temperature measurement scene identification system and the corresponding terminal have simple structures, and are convenient and practical. Because the corresponding infrared human body temperature measurement operation is executed only under the condition that the forehead of the human body is detected, the utilization efficiency of the power of the infrared temperature measurement mechanism is improved.
Description
Technical Field
The invention relates to the field of human body temperature measurement, in particular to an infrared temperature measurement scene identification system and a corresponding terminal.
Background
The infrared temperature measurement technology plays an important role in the aspects of product quality control and monitoring, online fault diagnosis and safety protection of equipment, energy conservation and the like in the production process. In the last 20 years, the non-contact infrared human body thermometer has been developed rapidly, the performance is improved continuously, the function is enhanced continuously, the variety is increased continuously, and the application range is expanded continuously. Compared with a contact temperature measurement method, the infrared temperature measurement method has the advantages of fast response time, non-contact, safe use, long service life and the like. The non-contact infrared thermometer includes three series of portable, on-line and scanning ones, and has various kinds of optional parts and computer software.
Because the infrared temperature measurement adopts a non-contact temperature measurement mechanism, the infrared measurement technology is widely applied to the application fields sensitive to contact. However, in the prior art, the infrared temperature measuring device is generally a terminal device, and if the terminal device is kept in an operating state all the time, the endurance of the infrared temperature measuring device is inevitably reduced.
Disclosure of Invention
In order to solve the related technical problems in the prior art, the invention provides an infrared temperature measurement scene identification system which can effectively identify whether an infrared thermometer enters a forehead temperature measurement scene or not in time and only start corresponding infrared temperature measurement operation when the infrared thermometer enters the forehead temperature measurement scene, so that the power consumption of the infrared thermometer is reduced and the service life of the infrared thermometer is prolonged.
For this reason, the present invention needs to have at least the following important points:
(1) identifying a working scene of an infrared thermometer for detecting the forehead temperature of a human body so as to determine that the temperature measurement work of the infrared thermometer is started when the forehead temperature measurement scene is entered, thereby avoiding unnecessary waste of power;
(2) when an object exists in a preset distance range in front of the infrared thermometer and the shape of the object is matched with the shape of the forehead of a human body, the infrared thermometer is judged to enter a forehead temperature measurement scene.
According to an aspect of the present invention, there is provided an infrared thermometry scene identification system, the system comprising:
the infrared thermometer is used for performing measurement operation on the forehead of a person to be subjected to temperature measurement under the control of the temperature measuring person so as to obtain the corresponding forehead temperature;
the distance detection equipment is arranged on the left side of a temperature measurement port of the infrared thermometer and is used for detecting the real-time distance from a target in front of the temperature measurement port to the temperature measurement port;
the state control mechanism is respectively connected with the infrared thermometer and the distance detection equipment and is used for sending a temperature measurement starting command when the received real-time distance is between 5 cm and 6 cm;
the state control mechanism is also used for sending out a temperature measurement stopping command when the received real-time distance is beyond 5 cm to 6 cm;
the temperature output equipment is connected with the infrared thermometer and is used for adding 0.3 ℃ to the forehead temperature to obtain an upper temperature limit, subtracting 0.3 ℃ from the forehead temperature to obtain a lower temperature limit, and outputting a temperature range formed by the upper temperature limit and the lower temperature limit;
the instant display equipment is embedded in the shell of the infrared thermometer, is connected with the temperature output equipment and is used for receiving and displaying the temperature range;
the infrared imaging mechanism is arranged on the right side of a temperature measuring port of the infrared thermometer and is used for executing infrared imaging operation on a scene in front of the temperature measuring port;
the forehead identification mechanism is connected with the infrared imaging mechanism and used for identifying whether a forehead object exists in an infrared image output by the infrared imaging mechanism and sending a forehead identification command when the forehead object exists, otherwise, sending a forehead unidentified command;
when the infrared thermometer receives the temperature measurement starting command and the forehead identification command, the infrared thermometer enters a working mode from a sleep mode;
wherein identifying whether a forehead object exists in an infrared image output by the infrared imaging mechanism comprises: and identifying whether a forehead object exists in the infrared image output by the infrared imaging mechanism based on the appearance characteristics of the forehead of the human body.
According to another aspect of the present invention, there is also provided an infrared temperature measurement scene recognition terminal, wherein the terminal includes: a memory and a processor, the processor coupled to the memory; the memory for storing executable instructions of the processor; the processor is used for calling the executable instructions in the memory so as to realize the method for determining whether to start the corresponding infrared temperature measurement action based on whether the infrared temperature measurement scene enters the current infrared temperature measurement scene or not by using the infrared temperature measurement scene identification system.
The infrared temperature measurement scene identification system and the corresponding terminal have simple structures, and are convenient and practical. Because the corresponding infrared human body temperature measurement operation is executed only under the condition that the forehead of the human body is detected, the utilization efficiency of the power of the infrared temperature measurement mechanism is improved.
Drawings
Embodiments of the invention will now be described with reference to the accompanying drawings, in which:
fig. 1 is a schematic diagram illustrating an operating principle of an infrared thermometer of an infrared thermometry scene identification system according to an embodiment of the present invention.
Reference numerals: 1, an object; 2, an objective lens; 3 a heated plate; 4, a thermocouple; 5 ocular lens
Detailed Description
Embodiments of an infrared thermometry scene recognition system and a corresponding terminal according to the present invention will be described in detail below with reference to the accompanying drawings.
The infrared ray has a wavelength of 0.76 to 100 μm, and is classified into four types, namely near infrared, mid-infrared, far infrared, and far infrared, according to the wavelength range, and the position of the infrared ray in the continuous spectrum of the electromagnetic wave is a region between radio waves and visible light. Infrared radiation is the most extensive electromagnetic radiation existing in nature, and is based on the fact that any object can generate random movement of molecules and atoms under the normal environment and continuously radiate thermal infrared energy, and the more violent the movement of the molecules and atoms, the greater the radiated energy, and conversely, the smaller the radiated energy.
An object whose temperature is above absolute zero radiates infrared rays due to its molecular motion. After the power signal radiated by the object is converted into an electric signal by the infrared detector, the output signal of the imaging device can completely simulate and scan the space distribution of the surface temperature of the object in a one-to-one correspondence manner, and the space distribution is processed by an electronic system and transmitted to a display screen to obtain a thermal image corresponding to the heat distribution on the surface of the object. By using the method, the remote thermal state image imaging and temperature measurement of the target can be realized, and the analysis and judgment can be carried out.
When the infrared thermometry is applied to the measurement of the human body temperature, for example, when applied to the examination of respiratory diseases at high risk, if the infrared measurement of the human body temperature is still maintained in a state where there is no person, the waste of the power consumption of the electronic device is inevitably caused.
In order to overcome the defects, the invention builds an infrared temperature measurement scene identification system and a corresponding terminal, and can effectively solve the corresponding technical problem.
Fig. 1 is a schematic diagram of an operating principle of an infrared thermometer of an infrared thermometry scene identification system according to an embodiment of the present invention, where the system includes:
the infrared thermometer is used for performing measurement operation on the forehead of a person to be measured under the control of the temperature measuring person to obtain corresponding forehead temperature, wherein D, D, L and L are all temperature measuring parameters related to distance of the infrared thermometer respectively;
the distance detection equipment is arranged on the left side of a temperature measurement port of the infrared thermometer and is used for detecting the real-time distance from a target in front of the temperature measurement port to the temperature measurement port;
the state control mechanism is respectively connected with the infrared thermometer and the distance detection equipment and is used for sending a temperature measurement starting command when the received real-time distance is between 5 cm and 6 cm;
the state control mechanism is also used for sending out a temperature measurement stopping command when the received real-time distance is beyond 5 cm to 6 cm;
the temperature output equipment is connected with the infrared thermometer and is used for adding 0.3 ℃ to the forehead temperature to obtain an upper temperature limit, subtracting 0.3 ℃ from the forehead temperature to obtain a lower temperature limit, and outputting a temperature range formed by the upper temperature limit and the lower temperature limit;
the instant display equipment is embedded in the shell of the infrared thermometer, is connected with the temperature output equipment and is used for receiving and displaying the temperature range;
the infrared imaging mechanism is arranged on the right side of a temperature measuring port of the infrared thermometer and is used for executing infrared imaging operation on a scene in front of the temperature measuring port;
the forehead identification mechanism is connected with the infrared imaging mechanism and used for identifying whether a forehead object exists in an infrared image output by the infrared imaging mechanism and sending a forehead identification command when the forehead object exists, otherwise, sending a forehead unidentified command;
when the infrared thermometer receives the temperature measurement starting command and the forehead identification command, the infrared thermometer enters a working mode from a sleep mode;
wherein identifying whether a forehead object exists in an infrared image output by the infrared imaging mechanism comprises: and identifying whether a forehead object exists in the infrared image output by the infrared imaging mechanism based on the appearance characteristics of the forehead of the human body.
Next, the specific structure of the infrared temperature measurement scene recognition system of the present invention will be further described.
The infrared temperature measurement scene identification system can further comprise:
and the bandwidth analysis equipment is connected with the output interface of the forehead identification mechanism and is used for detecting the real-time output bandwidth of the forehead identification mechanism.
In the infrared temperature measurement scene identification system:
the bandwidth analysis equipment is also used for sending out a data loss early warning command when the detected real-time output bandwidth is larger than a preset bandwidth threshold value.
In the infrared temperature measurement scene identification system:
the bandwidth analysis device is further used for sending a data transmission reliable command when the detected real-time output bandwidth is smaller than or equal to the preset bandwidth threshold.
The infrared temperature measurement scene identification system can further comprise:
and the temperature sensing mechanism is arranged in the infrared imaging mechanism and used for sensing the internal temperature of the infrared imaging mechanism.
In the infrared temperature measurement scene identification system:
the temperature sensing mechanism comprises first sensing equipment used for sensing and outputting the internal temperature of the infrared imaging mechanism.
In the infrared temperature measurement scene identification system:
the temperature sensing device further comprises a second sensing device for sensing and outputting the external temperature of the infrared imaging mechanism.
The infrared temperature measurement scene identification system can further comprise:
the temperature difference analysis mechanism is respectively connected with the first sensing equipment and the second sensing equipment and is used for determining whether to execute alarm action related to overlarge temperature difference or not based on the difference between the internal temperature and the external temperature of the infrared imaging mechanism;
the temperature difference analysis mechanism also comprises sound and light alarm equipment which is used for executing alarm action related to overlarge temperature difference;
the sound and light alarm device comprises a sound alarm sub-device and a light alarm sub-device, wherein at least one of the sound alarm sub-device and the light alarm sub-device is used for executing alarm action related to overlarge temperature difference.
In the infrared temperature measurement scene identification system:
and when the infrared thermometer receives the temperature measurement starting command or the forehead unidentified command, the infrared thermometer enters the sleep mode from the working mode.
Meanwhile, in order to overcome the defects, the invention also builds an infrared temperature measurement scene identification terminal, and the terminal comprises: a memory and a processor, the processor coupled to the memory;
wherein the memory is used for storing executable instructions of the processor;
the processor is configured to call the executable instructions in the memory to implement the method for determining whether to start the corresponding infrared temperature measurement action based on whether to enter the infrared temperature measurement scene currently by using the infrared temperature measurement scene identification system.
In addition, due to the existence of black body radiation, any object is radiated with electromagnetic waves according to different temperatures. The portion having a wavelength of 2.0 to 1000 μm is called thermal infrared. The thermal infrared imaging can reflect the temperature field on the surface of an object by imaging the object through the thermal infrared sensitive CCD. Thermal infrared has wide application in military, industry, automobile auxiliary driving and medical fields.
From the analysis of the principle of physics, the human body is a natural biological infrared radiation source and can continuously emit and absorb infrared radiation to the surroundings. The temperature distribution of a normal human body has certain stability and characteristics, and different temperatures of all parts of the body form different thermal fields. When a disease or a function change occurs at a certain part of a human body, the blood flow at the part changes correspondingly, so that the local temperature of the human body changes, which is expressed by higher or lower temperature.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc. Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. An infrared temperature measurement scene identification system, characterized in that, the system includes:
the infrared thermometer is used for performing measurement operation on the forehead of a person to be subjected to temperature measurement under the control of the temperature measuring person so as to obtain the corresponding forehead temperature;
the distance detection equipment is arranged on the left side of a temperature measurement port of the infrared thermometer and is used for detecting the real-time distance from a target in front of the temperature measurement port to the temperature measurement port;
the state control mechanism is respectively connected with the infrared thermometer and the distance detection equipment and is used for sending a temperature measurement starting command when the received real-time distance is between 5 cm and 6 cm;
the state control mechanism is also used for sending out a temperature measurement stopping command when the received real-time distance is beyond 5 cm to 6 cm;
the temperature output equipment is connected with the infrared thermometer and is used for adding 0.3 ℃ to the forehead temperature to obtain an upper temperature limit, subtracting 0.3 ℃ from the forehead temperature to obtain a lower temperature limit, and outputting a temperature range formed by the upper temperature limit and the lower temperature limit;
the instant display equipment is embedded in the shell of the infrared thermometer, is connected with the temperature output equipment and is used for receiving and displaying the temperature range;
the infrared imaging mechanism is arranged on the right side of a temperature measuring port of the infrared thermometer and is used for executing infrared imaging operation on a scene in front of the temperature measuring port;
the forehead identification mechanism is connected with the infrared imaging mechanism and used for identifying whether a forehead object exists in an infrared image output by the infrared imaging mechanism and sending a forehead identification command when the forehead object exists, otherwise, sending a forehead unidentified command;
when the infrared thermometer receives the temperature measurement starting command and the forehead identification command, the infrared thermometer enters a working mode from a sleep mode;
wherein identifying whether a forehead object exists in an infrared image output by the infrared imaging mechanism comprises: and identifying whether a forehead object exists in the infrared image output by the infrared imaging mechanism based on the appearance characteristics of the forehead of the human body.
2. The infrared thermometry scene identification system of claim 1, said system further comprising:
and the bandwidth analysis equipment is connected with the output interface of the forehead identification mechanism and is used for detecting the real-time output bandwidth of the forehead identification mechanism.
3. The infrared thermometry scene identification system of claim 2, wherein:
the bandwidth analysis equipment is also used for sending out a data loss early warning command when the detected real-time output bandwidth is larger than a preset bandwidth threshold value.
4. The infrared thermometry scene identification system of claim 3, wherein:
the bandwidth analysis device is further used for sending a data transmission reliable command when the detected real-time output bandwidth is smaller than or equal to the preset bandwidth threshold.
5. The infrared thermometric scene recognition system of claim 4, said system further comprising:
and the temperature sensing mechanism is arranged in the infrared imaging mechanism and used for sensing the internal temperature of the infrared imaging mechanism.
6. The infrared thermometry scene identification system of claim 5, wherein:
the temperature sensing mechanism comprises first sensing equipment used for sensing and outputting the internal temperature of the infrared imaging mechanism.
7. The infrared thermometry scene identification system of claim 6, wherein:
the temperature sensing device further comprises a second sensing device for sensing and outputting the external temperature of the infrared imaging mechanism.
8. The infrared thermometry scene identification system of claim 7, said system further comprising:
the temperature difference analysis mechanism is respectively connected with the first sensing equipment and the second sensing equipment and is used for determining whether to execute alarm action related to overlarge temperature difference or not based on the difference between the internal temperature and the external temperature of the infrared imaging mechanism;
the temperature difference analysis mechanism also comprises sound and light alarm equipment which is used for executing alarm action related to overlarge temperature difference;
the sound and light alarm device comprises a sound alarm sub-device and a light alarm sub-device, wherein at least one of the sound alarm sub-device and the light alarm sub-device is used for executing alarm action related to overlarge temperature difference.
9. The infrared thermometry scene identification system of claim 8, wherein:
and when the infrared thermometer receives the temperature measurement starting command or the forehead unidentified command, the infrared thermometer enters the sleep mode from the working mode.
10. The utility model provides a terminal is discerned to infrared temperature measurement scene which characterized in that, the terminal includes: a memory and a processor, the processor coupled to the memory;
the memory for storing executable instructions of the processor;
the processor is configured to invoke executable instructions in the memory to implement a method for determining whether to initiate a corresponding infrared temperature measurement action based on whether an infrared temperature measurement scenario is currently entered using the infrared temperature measurement scenario identification system of any of claims 1-9.
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| CN202010647069.9A CN111780878A (en) | 2020-07-07 | 2020-07-07 | Infrared temperature measurement scene identification system and corresponding terminal |
| PCT/CN2020/109743 WO2022007115A1 (en) | 2020-07-07 | 2020-08-18 | Infrared temperature measurement scene identification system and corresponding terminal |
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- 2020-07-07 CN CN202010647069.9A patent/CN111780878A/en active Pending
- 2020-08-18 WO PCT/CN2020/109743 patent/WO2022007115A1/en active Application Filing
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| CN204698531U (en) * | 2015-06-18 | 2015-10-14 | 梁寒冰 | A kind of clinical thermometer |
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