CN211877246U - Thermal imaging body temperature monitoring and positioning system based on NFC - Google Patents
Thermal imaging body temperature monitoring and positioning system based on NFC Download PDFInfo
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- CN211877246U CN211877246U CN202020833983.8U CN202020833983U CN211877246U CN 211877246 U CN211877246 U CN 211877246U CN 202020833983 U CN202020833983 U CN 202020833983U CN 211877246 U CN211877246 U CN 211877246U
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Abstract
The utility model discloses a thermal imaging body temperature monitoring and positioning system based on NFC, which is provided with an NFC intelligent terminal, an infrared thermal imaging temperature measurement module, an NFC passive communication module, a data transmission module, a data display module and a tracking module; the NFC intelligent terminal is connected with an NFC passive communication module, the NFC passive communication module is connected with an infrared thermal imaging temperature measurement module, the infrared thermal imaging temperature measurement module is connected with a data transmission module, the data transmission module is connected with a data display module, and the data display module is connected with a tracking module; the body temperature is detected by using an infrared thermal imaging technology, so that the body temperature of a person to be detected is more accurate, and the precision of the detected temperature is improved.
Description
Technical Field
The utility model relates to a fields such as body temperature detection technique, specific thermal imaging body temperature monitoring and positioning system based on NFC says so.
Background
The current new coronavirus epidemic situation is serious, so that the method is particularly important for body temperature detection in public places, especially for febrile patients and patients with virus latency. The existing body temperature detection technology utilizes an infrared camera to carry out large-range scanning and detection, so that 'fish missing' is avoided, and patients with a latent period cannot be tracked. Even if the registration of the outside person is carried out in every city, county, town and village, the registration is inevitably hidden and cannot be found in time.
The infrared thermal imaging system is widely used for measuring the surface temperature of an object, and the temperature measurement method has the following advantages:
1. the non-contact measurement can not affect the temperature distribution of the measured target, and can be used for long-distance targets, high-speed moving targets, high-temperature targets and other non-contact targets.
2, the response is fast, it does not need to reach the thermal equilibrium with the measured target like the common thermocouple and thermal resistance, and it only needs to receive the radiation of the target.
3, the sensitivity is high, and the most sensitive thermal imaging system can measure the temperature change of 0.01 ℃.
4, the spatial resolution is high, if the image taking rate of the point thermal imaging system is 25 frames/s, each frame comprises 200 scanning lines, each scanning line comprises 100 pixels, and the vertical scanning efficiency and the horizontal scanning efficiency are respectively 0.8 and 0.5, 20 ten thousand points can be measured in 1s, so that the point thermal imaging system is particularly suitable for measuring a temperature field.
NFC is a near field communication technology. The NFC is developed by combining a wireless interconnection technology on the basis of a non-contact Radio Frequency Identification (RFID) technology, and provides a very safe and fast communication mode for various electronic products which are more and more popular in daily life. The "near field" in the NFC chinese name refers to radio waves in the vicinity of an electromagnetic field. Since radio waves are actually electromagnetic waves, it follows maxwell's equations, and electric and magnetic fields alternately perform energy conversion all the time when propagating from a transmitting antenna to a receiving antenna and enhance each other when performing the conversion, for example, radio signals used by our mobile phone propagate by using this principle, which is called far-field communication. Within 10 wavelengths of electromagnetic waves, the electric field and the magnetic field are independent from each other, the electric field has little meaning, but the magnetic field can be used for short-distance communication, which is called near field communication.
Since the infrared camera has a range limitation, the farther the distance, the worse the accuracy, and thus it is difficult to detect the body temperature of a patient if the patient is far from the monitoring range of the camera. If the people overlap, the detection area is too small, and the error is also large. For manual testing, although the body temperature of a passing person can be basically tested, it is labor-consuming, and the tested person may be at risk of being infected with viruses
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a thermal imaging body temperature monitoring and positioning system based on NFC utilizes infrared thermal imaging technique to carry out the body temperature and detects for surveyed personnel's body temperature is more accurate, has improved the precision of measured temperature.
The utility model discloses a following technical scheme realizes: the NFC-based thermal imaging body temperature monitoring and positioning system is provided with an NFC intelligent terminal, an infrared thermal imaging temperature measurement module, an NFC passive communication module, a data transmission module, a data display module and a tracking module; the NFC intelligent terminal is connected with the NFC passive communication module, the NFC passive communication module is connected with the infrared thermal imaging temperature measurement module, the infrared thermal imaging temperature measurement module is connected with the data transmission module, the data transmission module is connected with the data display module, and the data display module is connected with the tracking module.
Further for better realizing the utility model discloses, adopt the following mode of setting very much: the NFC intelligent terminal is internally provided with a preset scene position database and an NFC card reader comprising an active side NFC label, and navigation data generated by information coding of corresponding preset scene positions are stored in the preset scene position database; the NFC intelligent terminal is mainly carried by a user, an NFC card reader of an NFC label at an active side is included, and a navigation database (a preset scene position database) generated by information coding of a corresponding preset scene position is stored in the NFC intelligent terminal.
Further for better realizing the utility model discloses, adopt the following mode of setting very much: the NFC passive communication module is internally provided with an NFC label loaded with scene information codes; each NFC passive communication module is provided with an NFC label, and information codes of corresponding preset scene positions are stored in the NFC labels. The NFC passive communication module can be placed in a plurality of places to conveniently synchronize the position information of the same person.
Further for better realizing the utility model discloses, adopt the following mode of setting very much: the infrared thermal imaging temperature measurement module is internally provided with an infrared detector, an amplifying circuit, a CMOS (complementary metal oxide semiconductor) multiplexer, a signal processing system and a display screen which are connected with each other, and the signal processing system and the data transmission module are in information interaction.
In the infrared thermal imaging module, when a camera lens receives thermal radiation emitted by a human body, the invisible infrared radiation is converted into a measurable electric signal through an infrared detector. And the infrared detector biases the amplifying circuit to output the required amplifying signal, and then the amplifying signal is injected into the CMOS multiplexer for multiplexing. The readout circuit of the CMOS multiplexer performs signal integration, transmission, processing and scanning output of the linear array and the planar array infrared focal plane array, and performs A/D conversion. The signal processing system carries out a series of image processing on the digital signals collected by the infrared detector, and then standard video signals are formed to display an infrared thermal image of the measured object through the display screen. And simultaneously transmitting the temperature data to the data transmission module. If the body temperature is higher than 37.3 ℃, the temperature number flickers and magnifies, and the name of the person turns red. When the body temperature is normal, the temperature number is green.
Further for better realizing the utility model discloses, adopt the following mode of setting very much: the data transmission module is internally provided with an NFC2COM module and peripherals, and can receive and transmit personal information or/and position information or/and temperature data to the data display module through the NFC2COM module, and the NFC2COM module also performs data interaction with the NFC intelligent terminal; the data transmission module realizes the transparent transmission of NFC, and comprises an NFC2COM module, and various kinds of information are subjected to point-to-point big data transmission with an NFC intelligent terminal through the NFC2COM module. The other end of the data serial port 2 in the NFC2COM module is connected to the peripheral 1(PC 1).
Further for better realizing the utility model discloses, adopt the following mode of setting very much: the data display module is internally provided with a PC, a thermodynamic diagram and a temperature display screen and is in information interaction with the data transmission module through peripheral equipment.
Further for better realizing the utility model discloses, adopt the following mode of setting very much: and a tracking side PC machine and a preset scene camera which can mutually perform information interaction are arranged in the tracking module.
And the NFC intelligent terminal and the NFC passive communication module carry out information interaction, and the information code is compared with the navigation database to realize the positioning function.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
(1) the utility model discloses utilize infrared thermal imaging technique to carry out body temperature and detect for surveyed personnel's body temperature is more accurate, has improved the precision of measured temperature.
(2) The utility model discloses use more accurate infrared thermal imaging system to carry out the temperature measurement, still increased the locate function to suspicious personnel's positional information for it is more complete, comprehensive.
(3) The utility model discloses it can effectively use manpower sparingly to carry out body temperature detection based on NFC, can trail to the patient that is in the incubation period moreover, if this patient's morbidity, can know this patient's specific information and position at once, in time report and keep apart.
(4) The utility model discloses utilize the NFC technique to carry out position tracking to the unusual personnel of performance.
Drawings
Fig. 1 is a schematic diagram of the system structure of the present invention.
Fig. 2 is an internal block diagram of the NFC passive communication module.
Fig. 3 is an internal structure diagram of the NFC smart terminal.
Fig. 4 is an internal structure diagram of the infrared thermal imaging temperature measurement module.
Fig. 5 is an internal structure diagram of the data transmission module.
Fig. 6 is an internal structure view of the data display module.
Fig. 7 is a diagram of the internal structure of the tracking module.
Fig. 8 is a diagram of a body temperature detection and location method.
Detailed Description
The present invention will be described in further detail with reference to examples, but the present invention is not limited thereto.
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Example 1:
the utility model relates to a thermal imaging body temperature monitoring and positioning system based on NFC utilizes infrared thermal imaging technique to carry out the body temperature and detects for the personnel's body temperature that surveyes is more accurate, has improved the precision of measured temperature, as shown in fig. 1 ~ 7, adopts following mode that sets up very much: the system is provided with an NFC intelligent terminal, an infrared thermal imaging temperature measurement module, an NFC passive communication module, a data transmission module, a data display module and a tracking module; the NFC intelligent terminal is connected with the NFC passive communication module, the NFC passive communication module is connected with the infrared thermal imaging temperature measurement module, the infrared thermal imaging temperature measurement module is connected with the data transmission module, the data transmission module is connected with the data display module, and the data display module is connected with the tracking module.
Example 2:
this embodiment is further optimized on the basis of above-mentioned embodiment, as shown in fig. 1-7, the same part with the foregoing technical scheme will not be described herein again, further for better realizing the utility model discloses, adopt the following mode of setting in particular: the NFC intelligent terminal is internally provided with a preset scene position database and an NFC card reader comprising an active side NFC label, and navigation data generated by information coding of corresponding preset scene positions are stored in the preset scene position database; the NFC intelligent terminal is mainly carried by a user, an NFC card reader of an NFC label at an active side is included, and a navigation database (a preset scene position database) generated by information coding of a corresponding preset scene position is stored in the NFC intelligent terminal.
Example 3:
this embodiment is further optimized on the basis of any above-mentioned embodiment, as shown in fig. 1-7, the same parts with the foregoing technical solution will not be described herein again, and further for better realizing the utility model discloses, adopt the following mode of setting in particular: the NFC passive communication module is internally provided with an NFC label loaded with scene information codes; each NFC passive communication module is provided with an NFC label, and information codes of corresponding preset scene positions are stored in the NFC labels. The NFC passive communication module can be placed in a plurality of places to facilitate the synchronization of the position information of the same person; the data of the scene position information read by the NFC card reader will be compared with the data of the scene position information in the predetermined scene position database.
Example 4:
this embodiment is further optimized on the basis of any above-mentioned embodiment, as shown in fig. 1-7, the same parts with the foregoing technical solution will not be described herein again, and further for better realizing the utility model discloses, adopt the following mode of setting in particular: the infrared thermal imaging temperature measurement module is internally provided with an infrared detector, an amplifying circuit, a CMOS (complementary metal oxide semiconductor) multiplexer, a signal processing system and a display screen which are connected with each other, and the signal processing system and the data transmission module are in information interaction.
In the infrared thermal imaging module, when a camera lens receives thermal radiation emitted by a human body, the invisible infrared radiation is converted into a measurable electric signal through an infrared detector. And the infrared detector biases the amplifying circuit to output the required amplifying signal, and then the amplifying signal is injected into the CMOS multiplexer for multiplexing. The readout circuit of the CMOS multiplexer performs signal integration, transmission, processing and scanning output of the linear array and the planar array infrared focal plane array, and performs A/D conversion. The signal processing system carries out a series of image processing on the digital signals collected by the infrared detector, and then standard video signals are formed to display an infrared thermal image of the measured object through the display screen. And simultaneously transmitting the temperature data to the data transmission module. If the body temperature is higher than 37.3 ℃, the temperature number flickers and magnifies, and the name of the person turns red. When the body temperature is normal, the temperature number is green.
Example 5:
this embodiment is further optimized on the basis of any above-mentioned embodiment, as shown in fig. 1-7, the same parts with the foregoing technical solution will not be described herein again, and further for better realizing the utility model discloses, adopt the following mode of setting in particular: the data transmission module is internally provided with an NFC2COM module and peripherals, and can receive and transmit personal information or/and position information or/and temperature data to the data display module through the NFC2COM module, and the NFC2COM module also performs data interaction with the NFC intelligent terminal; the data transmission module realizes the transparent transmission of NFC, and comprises an NFC2COM module, and various kinds of information are subjected to point-to-point big data transmission with an NFC intelligent terminal through the NFC2COM module. The other end of the data serial port 2 in the NFC2COM module is connected to the peripheral 1(PC 1).
Example 6:
this embodiment is further optimized on the basis of any above-mentioned embodiment, as shown in fig. 1-7, the same parts with the foregoing technical solution will not be described herein again, and further for better realizing the utility model discloses, adopt the following mode of setting in particular: the data display module is internally provided with a PC, a thermodynamic diagram and a temperature display screen and is in information interaction with the data transmission module through peripheral equipment.
Example 7:
this embodiment is further optimized on the basis of any above-mentioned embodiment, as shown in fig. 1-7, the same parts with the foregoing technical solution will not be described herein again, and further for better realizing the utility model discloses, adopt the following mode of setting in particular: a tracking side PC machine and a preset scene camera which can perform information interaction with each other are arranged in the tracking module; the camera in the preset scene transmits the processed video information to the PC; the PC can call the camera mapping table to start the camera of the preset scene.
And the NFC intelligent terminal and the NFC passive communication module carry out information interaction, and the information code is compared with the navigation database to realize the positioning function.
The main interface of the data display module is shown in table 1;
TABLE 1
| Name (I) | Sex | Address | Body temperature | Status of state | Position of |
| ... | ... | ... | ... | ... (Green) | ... |
| ... | ... | ... | ... | ... (yellow) | ... |
| ... | ... | ... | ... | ... (Red) | ... |
In this table, there are three states, normal, abnormal, and suspicious; green highlighting (e.g., "green" in the form indicates normal, and when displayed, the form may be displayed in green color), red highlighting (e.g., "red" in the form indicates abnormal, and when displayed, the form may be displayed in red color), yellow highlighting (e.g., "yellow" in the form indicates suspicious, and when displayed, the form may be displayed in yellow color), respectively, but is not limited thereto. The position information is a URL link, and the specific position information of the person can be checked by clicking.
The method for realizing body temperature detection and positioning by combining the NFC-based thermal imaging body temperature monitoring and positioning system shown in FIG. 8 comprises the following steps:
the method comprises the following steps: the method comprises the following steps that personal information is bound through an NFC intelligent terminal so that information can be processed and uploaded subsequently; the user uses the NFC intelligent terminal to approach the NFC passive communication module (NFC passive communication equipment).
Step two (infrared temperature measurement): when the testee arrives at the appointed temperature measurement position, the temperature measurement module is started, the infrared thermal imaging temperature measurement module scans the face of the user to generate a thermodynamic diagram, and the temperature information is expressed in the thermodynamic diagram through calculation.
And (3) updating the position:
step three: and selecting a corresponding code of a preset scene position on the NFC label loaded with the scene information code in advance, and introducing the information code into the NFC label of the NFC passive communication module.
Step four: and the NFC intelligent terminal held by the user receives the information code read by the NFC card reader, and compares the information code with the preset scene position database to obtain position information.
Step five: the collected personal information, temperature information and position information of the holder are transmitted to the peripheral 2 through the NFC2COM module.
Step six: through the peripheral equipment, the personal information, the temperature information and the position information of each holder are recorded and classified, and the places where suspicious people are often located and people who may contact are analyzed.
Step seven: and arranging a plurality of cameras in each preset area. When people need to search and track suspicious people, a mapping table of the camera is called through the peripheral equipment, and the camera of the area where the suspicious people are located is called. When the suspicious personnel move in different areas, the cameras at the current positions are automatically called.
The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the technical matters of the present invention all fall into the protection scope of the present invention to any simple modification and equivalent change of the above embodiments.
Claims (7)
1. Thermal imaging body temperature monitoring and positioning system based on NFC, its characterized in that: the system is provided with an NFC intelligent terminal, an infrared thermal imaging temperature measurement module, an NFC passive communication module, a data transmission module, a data display module and a tracking module; the NFC intelligent terminal is connected with the NFC passive communication module, the infrared thermal imaging temperature measurement module is connected with the data transmission module, the data transmission module is connected with the data display module, and the data display module is connected with the tracking module.
2. The NFC-based thermographic body temperature monitoring and locating system of claim 1, wherein: the NFC intelligent terminal is internally provided with a preset scene position database and an NFC card reader comprising an active side NFC label, and navigation data generated by information coding of corresponding preset scene positions are stored in the preset scene position database.
3. The NFC-based thermographic body temperature monitoring and locating system of claim 1, wherein: and the NFC passive communication module is internally provided with an NFC label loaded with scene information codes.
4. The NFC-based thermographic body temperature monitoring and locating system of claim 1, wherein: the infrared thermal imaging temperature measurement module is internally provided with an infrared detector, an amplifying circuit, a CMOS (complementary metal oxide semiconductor) multiplexer, a signal processing system and a display screen which are connected with each other, and the signal processing system and the data transmission module are in information interaction.
5. The NFC-based thermographic body temperature monitoring and locating system of claim 1, wherein: the data transmission module is internally provided with an NFC2COM module and a peripheral, and can receive and transmit personal information or/and position information or/and temperature data to the data display module through the NFC2COM module, and the NFC2COM module also performs data interaction with the NFC intelligent terminal.
6. The NFC-based thermographic body temperature monitoring and locating system of claim 1, wherein: the data display module is internally provided with a PC, a thermodynamic diagram and a temperature display screen and is in information interaction with the data transmission module through peripheral equipment.
7. The NFC-based thermographic body temperature monitoring and locating system of claim 1, wherein: and a tracking side PC machine and a preset scene camera which can mutually perform information interaction are arranged in the tracking module.
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