CN113080881A - Body temperature monitoring and processing method based on Internet of things technology - Google Patents
Body temperature monitoring and processing method based on Internet of things technologyDownload PDFInfo
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- CN113080881A CN113080881ACN202110238298.XACN202110238298ACN113080881ACN 113080881 ACN113080881 ACN 113080881ACN 202110238298 ACN202110238298 ACN 202110238298ACN 113080881 ACN113080881 ACN 113080881A
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/01—Measuring temperature of body parts ; Diagnostic temperature sensing, e.g. for malignant or inflamed tissue
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
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Abstract
Translated fromChinese
Description
Technical Field
The invention relates to a temperature measurement method, in particular to a method for monitoring and processing body temperature data.
Background
In 2020, the epidemic situation is unprecedentedly abused globally, and the spread range exceeds 200 countries and regions, which brings great threat to the life health of people and seriously hinders the development of social economy. At present, no finished product exists in specific medicines and vaccines aiming at epidemic situations, so that the guarantee of preventive measures is very important. The large-batch body temperature screening is an important link for preventing and controlling new crown epidemic situation at present, has important help for finding potential infected persons as soon as possible and blocking epidemic situation transmission, and generally needs to be equipped with special body temperature detection equipment in public places with strong personnel mobility and dense personnel.
The common temperature measuring equipment has a plurality of problems: mercury thermometers, electronic thermometers and conventional ear thermometers have low measuring efficiency and have high cross infection risk, so that the mercury thermometers, the electronic thermometers and the conventional ear thermometers are rare in batch body temperature screening work; the current common forehead temperature guns which are used in large quantity have the problems of low temperature measurement precision, high requirement on operation specification, single-person single measurement and the like; the common infrared camera has the problems that the error of the target temperature along with the change of the distance is large, the influence factors of target dressing and environmental interference are more, the detection distance and the number of people are limited by the position of the camera, and the like.
In addition, in the existing body temperature monitoring and processing system, the collected personal temperature data is mostly directly sent to a mobile phone app or other data receiving terminals through a wireless radio frequency processing chip, and once the number of the collection devices is increased, the problem of multi-node data transmission competition conflict is easy to occur; meanwhile, in the existing temperature processing system, most data are not encrypted and protected, so that the situation that the data are stolen in the data transmission process is easy to occur; meanwhile, the temperature acquisition terminal and the route are connected each time, and the communication failure phenomenon occurs on the fixed frequency point by the two communication parties due to the problems of environmental interference and the like.
Moreover, joint defense joint control mechanisms need to closely monitor and predict key suspected areas of epidemic outbreaks, track suspected virus propagation tracks and provide directions for emergency plans, and at present, no simple, convenient and effective body temperature big data monitoring and processing method exists.
Disclosure of Invention
The invention aims to solve the problems that the existing body temperature monitoring method is inconvenient to monitor in real time and cannot realize big data monitoring and the like.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a body temperature monitoring and processing method based on the Internet of things technology comprises the following steps:
step A), the mobile temperature measurement node acquires temperature data of the associated and bound tested personnel; the mobile temperature measuring node moves along with the person to be measured;
step B), the mobile temperature measurement node sends the temperature data to a base station route of the Internet of things through a radio frequency communication module;
step C), the temperature data, the current routing position information and the current time information are fused into a unified data stream with time, place and personnel by the base station routing of the Internet of things, and the unified data stream is reported to a data server;
and D) the data server side realizes all-weather real-time body temperature monitoring of the personnel in the monitoring range, integrates the unified data stream and the historical data and writes the unified data stream and the historical data into the personal health file, and jointly draws a historical temperature curve.
Further, the mobile temperature measuring node in the step a) comprises an ear-hanging temperature measuring device and an information processing terminal far away from the head of the measured person, the ear-hanging temperature measuring device is used for obtaining an analog signal reflecting the temperature of the external auricle of the measured person, and the analog signal is transmitted to the information processing terminal far away from the head of the measured person for filtering and data processing to obtain temperature data.
Further, the ear-hanging temperature measuring device includes: the temperature measuring device comprises an ear-hung structural part, an NTC temperature measuring sensor and a data line, wherein the ear-hung structural part is used for being matched and hung with the external auricle of a measured person, and the NTC temperature measuring sensor is arranged at the end part of the ear-hung structural part and meets the requirement that a probe of the NTC temperature measuring sensor is effectively contacted with the temperature measuring part of the external auricle of the measured person when the measured person wears an ear-hung component; one part of the data line close to the NTC temperature measuring sensor is connected with the data output end of the NTC temperature measuring sensor in a hidden mode through penetrating the ear-hang structural part, and the other part of the data line penetrates out of the ear-hang structural part to be connected to an information processing terminal which is worn far away from the head of a person to be measured.
Further, the information processing terminal is worn or hung on an arm, a wrist, or a chest of the person to be measured.
Further, the data processing also comprises comparing the measured data after the analog-to-digital conversion with a preset threshold, outputting a judgment result and displaying an instruction; the information processing terminal is provided with an LED indicating lamp, and the display instruction prompts whether the body temperature of the tested person exceeds a normal range through the LED indicating lamp.
Further, the data processing also comprises the step of acquiring ID data of the ear-hanging temperature measuring device, and the ID data is used for inputting and binding information of the tested personnel.
Furthermore, the ear-hang structural part is of a symmetrical structure, and the two sides of the ear-hang structural part are respectively matched with and hung on the outer auricles of the left ear and the right ear of the tested person; the number of the NTC temperature measuring sensors is three, wherein two NTC temperature measuring sensors are respectively arranged at the end parts of the two sides of the ear-hung structural part; the third NTC temperature sensor is used for measuring the ambient temperature.
Further, the radio frequency communication module in the step B) adopts a variable connection time interval and an ULP (Ultra-Low Power) wireless technology to ensure the safety and reliability of data transmission; the radio frequency transmission divides the frequency band into three channels for frequency hopping transceiving, the frequency division narrow bandwidth is expanded into a wide frequency band through a frequency spectrum expansion technology, the wireless transceiver continuously performs channel conversion according to a set code sequence in each connection, and the transceiving parties communicate according to a convention; and encrypting data layer transmission on the basis of frequency hopping.
Further, in the step C), the Internet of things base station route adopts a collision scanning mechanism and alternately scans in three default channels; random delay within 10ms is added when the radio frequency communication module uploads data each time, and the fact that the routing host of the IOT base station can reliably receive data from three NTC temperature measuring sensors each time is guaranteed.
Further, the data server side in the step D) supports user management, position query, a hotspot diagram, mobile temperature measurement node management, alarm recording and route management.
The invention has the following advantages:
the mobile temperature measuring node is arranged to acquire temperature data of the related and bound measured personnel, upload the temperature data to the Internet of things base station route in real time, realize fusion positioning and mutual binding by combining the Internet of things base station route, and forward the fused temperature data through the Internet of things base station route so as to realize mass temperature data reporting to the big data cloud service platform.
The invention utilizes the ear-hanging temperature measuring device to obtain the analog signal reflecting the temperature of the external ear pinna of the measured person; transmitting the analog signal to an information processing terminal far away from the head of the tested person for filtering and data processing to obtain temperature data; and after the temperature data is subjected to signal gain, the temperature data is sent to a base station of the Internet of things for routing through a radio frequency communication module. The method is simple to operate, does not influence the normal life and work of the tested personnel, and is convenient for real-time monitoring.
After the ear-hang component is worn, the contact piece of the NTC temperature measuring sensor is naturally attached to the skin of the ear, so that the data acquisition effect is more stable; and the ear-hang component does not contain any radio frequency device, has light weight and no radiation to the brain, and ensures the health of human body.
The two NTC temperature measuring sensors are respectively arranged at the end parts of the two sides of the ear-hung structural part, the third NTC temperature measuring sensor is used for measuring the ambient temperature, the precision of +/-0.1 ℃ can be realized by a multipoint compensation and calibration method, the anti-interference performance of the temperature measuring sensors is improved, and more accurate body temperature measured data than a forehead temperature gun and an infrared thermal imager can be obtained.
Drawings
Fig. 1 is a schematic view of a body temperature monitoring processing method based on the internet of things technology.
FIG. 2 is a schematic side view of an ear-mount temperature measurement device.
Fig. 3 is an overall schematic view of the ear-hanging temperature measuring device.
FIG. 4 is a schematic view of a chest card assembly for connection with an ear-mounted temperature measuring device.
FIG. 5 is a data server GUI interface home page, in accordance with one embodiment of the present invention.
FIG. 6 is a GUI interface showing temperature change curves of individual temperature measuring nodes of the data server according to an embodiment of the present invention.
Fig. 7 is a GUI interface for routing management of a data server according to an embodiment of the present invention.
Wherein the reference numerals have the meaning:
1-an ear-hang structure; 2-NTC temperature measurement sensor; 3-a data line; 4-single-side ear hanging; 5-upper cover of chest card; 6-a charging port; 7-LED indicator lights; 8-chest card lower cover.
Detailed Description
The technical solution of the present invention is further described by embodiments with reference to the accompanying drawings.
As shown in fig. 1, a body temperature monitoring processing method based on internet of things technology includes:
step A), the mobile temperature measurement node acquires temperature data of the associated and bound tested personnel; the mobile temperature measuring node moves along with the person to be measured;
step B), the mobile temperature measurement node sends the temperature data to a base station route of the Internet of things through a radio frequency communication module;
step C), the temperature data, the current routing position information and the current time information are fused into a unified data stream with time, place and personnel by the base station routing of the Internet of things, and the unified data stream is reported to a data server;
and D) the data server side realizes all-weather real-time body temperature monitoring of the personnel in the monitoring range, integrates the unified data stream and the historical data and writes the unified data stream and the historical data into the personal health file, and jointly draws a historical temperature curve.
The mobile temperature measurement node comprises an ear-hanging temperature measurement device and an information processing terminal far away from the head of a measured person, the ear-hanging temperature measurement device is used for obtaining an analog signal reflecting the temperature of the external auricle of the measured person, and the analog signal is transmitted to the information processing terminal far away from the head of the measured person to be filtered and processed to obtain temperature data.
As shown in fig. 2 and 3, the ear-hanging temperature measuring device includes an ear-hanging structure, an NTC temperature measuring sensor, and a data line. The ear-hang structural part is of a symmetrical structure, and the two sides of the ear-hang structural part are respectively matched with and hung on the auricles of the left ear and the right ear of the tested person. The ear-hang structural part is used for being matched and connected with the external auricle of a tested person, and the NTC temperature measuring sensor is arranged at the end part of the ear-hang structural part, so that the probe of the NTC temperature measuring sensor is effectively contacted with the temperature measuring part of the external auricle of the tested person when the tested person wears the ear-hang component; one part of the data line close to the NTC temperature measuring sensor is connected with a data output end of the NTC temperature measuring sensor in a hidden mode through penetrating an ear-hanging structural part, and the other part of the data line penetrates out of the ear-hanging structural part and is connected to an information processing terminal (such as an arm, a wrist or a chest which can be worn or hung on a person to be measured) worn far away from the head of the person to be measured.
The step 2) may be specifically to transmit the analog signal to the chest card assembly (information processing terminal) through a data line. As shown in fig. 4, the structural component of the chest card assembly is divided into a chest card upper cover and a chest card lower cover, and a radio frequency processing chip is arranged in a packaging area formed by the cover closing; the external top end of the packaging area is provided with a hanging rope and/or a buckle so as to be worn by a person to be tested. And the other part of the data line is connected with a radio frequency processing chip through the external top end of the packaging area.
The outside top of encapsulation area still is provided with USB and charges the mouth. And an LED indicator lamp is arranged on the outer side surface of the packaging area, the state result output end of the radio frequency processing chip is connected with the LED indicator lamp, and the LED indicator lamp prompts whether the body temperature of the tested person exceeds a normal range or not. The LED indicator light supports red/green switching and flashing functions.
The temperature measurement sensor adopts medical NTC sensor, and two NTC temperature measurement sensor set up respectively in the both sides tip (inboard) of ear-hang structure, and the third NTC temperature measurement sensor is used for measuring ambient temperature (can set up in the outside of ear-hang structure), based on this, can adopt about ear temperature contrast calibration + the three-party complementary mode of ambient temperature calibration to gather human temperature, the precision index has reached 0.1 ℃, is superior to the data precision of frontal thermometer. Because of the collection mode of the temperature measuring instrument clinging to the human skin and the simple and convenient use method, the problems of difficult operation and poor temperature measuring precision of the conventional body temperature measuring equipment are solved.
The whole ear-hang sensing device is made of skin-friendly elastic materials, is suitable for people in a wider range, is convenient to wear and is easy to clean. After the ear-hang device is worn, theear contact pieces 1 on the two sides can naturally cling to the skin of the ear based on the elasticity of the material of the ear-hang device.
The chest card completes temperature data processing and receiving and sending by using an ultra-low power consumption radio frequency processing chip, and achieves a technical index of data intercommunication within a range of 300 meters from the routing radius of the Internet of things by using a signal gain technology; by matching with an ultra-low power consumption radio frequency chip and a specially designed communication protocol, the intelligent temperature measurement chest card achieves the technical index of continuous and uninterrupted use for 14 days.
When the body temperature of the tested object exceeds the set threshold value of the system, the red LED lamp on the front side of the chest card can flash to prompt the user to use the object, and when the object passes through the detection station, if the body temperature is normal, the red LED lamp can be turned on to show safety to prompt epidemic prevention and control personnel. Each radio frequency chip is internally provided with a unique physical identification ID, and can be bound with the identity of an object after the object is determined to be used, so that the function of a special person and a special plane is realized, and a hardware foundation is laid for the establishment of a health file of the special person later.
In terms of signal transmission and processing, the embodiment has the following characteristics:
a. safety transmission technology based on frequency division multiplexing and frequency hopping method
And the data transmission is ensured to be safe and reliable by adopting a variable connection time interval and a ULP (Ultra-Low Power) wireless technology of very quick connection. The radio frequency transmission divides a frequency band into three channels for frequency hopping transceiving, the frequency division narrow bandwidth is expanded into a wide frequency band through a frequency spectrum expansion technology, a wireless transceiver continuously performs channel conversion according to a certain code sequence in each connection, the transceiving parties communicate according to a convention, environmental interference or signal interception cannot occur according to the same rule, and the problem that communication at a fixed frequency point is prone to failure is broken through. On the basis of frequency hopping, the data layer transmission is encrypted, the integrity and the safety of a data packet are guaranteed, and the problem that data is easily stolen is solved.
b. Multi-node interaction conflict resolution technology based on scanning mechanism
The temperature acquisition terminal actively reports the acquired human body temperature data through three conversion channels, the time interval is 20-50ms each time, the Internet of things base station adopts a collision scanning mechanism to scan in three default channels alternately, the problem of multi-node data transmission competition conflict is solved in order to avoid data collision of a plurality of devices, random delay within 10ms is added when the terminal device reports the data each time, and the routing host is guaranteed to be capable of reliably receiving the data of the three terminals at least each time. In a single time point, the data volume collected by the route is three times that of the common wireless transceiving equipment, and the problem of reliable temperature data collection in a large batch is solved.
The user is through wearing temperature measurement ear-hang, temperature measurement ear-hang sensor adopts the three-party complementary mode collection human temperature of left and right ear temperature contrast calibration + ambient temperature calibration, the temperature data of gathering fuses the calibration back through the temperature measurement chest card, report to thing networking base station route initiative through the mode of initiatively reporting, temperature data combines thing networking base station route realization to fuse the location simultaneously, bind each other, establish temperature trajectory and track archives, set up the body temperature evaluation standard to individual, effectively avoid reporting to the pneumonia symptom of generating heat because of the body temperature rising that individual difference and normal condition lead to by mistake, but can never miss the abnormal condition of temperature when the pneumonia symptom of generating heat appears, and can track unusual personnel's GPS location when taking place unusually, ensure unusual personnel and contact personnel's quick health guarantee. And the fused temperature data is forwarded through the Internet of things base station route, so that mass temperature data can be reported to a big data cloud service platform. The device has the characteristic of uninterrupted measurement of temperature data, so long as a user reasonably wears the temperature measurement ear-hook, accurate temperature data can be obtained in a short time and integrated with historical data to be written into a personal health file, and a historical temperature curve is jointly drawn.
The industrial application of the embodiment has the following advantages:
(1) personal health data tracking file
The equipment can bind personal temperature data with GPS positioning, establish a temperature track tracking file, set a personal body temperature evaluation standard, effectively avoid the phenomenon that the body temperature rise caused by individual difference and normal condition is reported as pneumonia fever symptom mistakenly, but the abnormal condition of temperature can never be missed when the pneumonia fever symptom appears, and can track the GPS positioning of abnormal personnel when abnormal occurs, thereby ensuring the rapid health guarantee of the abnormal personnel and contact personnel.
Meanwhile, the cause of fever is not limited to pneumonia, and other inflammation, infection and the like can also generate abnormal fever, so that abnormal response of temperature to a tested object wearing the intelligent temperature measuring chest card can urge the rapid diagnosis of the object, the health management of body temperature data is realized, and the use value of the intelligent temperature measuring chest card equipment for predicting and warning the diseases of the tested object in non-special periods is reflected.
(2) All-weather high-precision body temperature monitoring and early warning
The device has the characteristic of uninterrupted measurement of temperature data, so long as a user reasonably wears the temperature measurement ear-hook, accurate temperature data can be obtained in a short time and integrated with historical data to be written into a personal health file, and a historical temperature curve is jointly drawn. In the occasions where the body temperature data tracks of the objects need to be acquired, such as enterprises, schools and other places where people are relatively fixed and crowded, management personnel with authority can monitor the temperature data of the objects in real time through various devices, all-weather temperature recording and sudden change early warning are achieved, the emergency response time of all-weather joint defense joint control related departments is shortened, and the safety of personnel is ensured.
(3) Big data analytics risk prediction
The data service platform is used as an assistant to customize close monitoring of related areas according to requirements, predict key suspected areas of epidemic outbreak, track suspicious virus propagation tracks, provide directions of emergency plans for the joint defense joint control mechanism, reduce epidemic prevention and control human resource cost and improve the efficiency of suspicious propagation path control.
As shown in fig. 5, the left side of the big data service platform GUI interface home page of this embodiment is an interface selection window in different scenes, and a user can select the interface selection window according to different application scenes to query the temperature-related information in different scenes. The big data service platform comprises 6 big management functions: user management, position query, heat point diagram, temperature measuring point management, alarm recording and route management. A user can add forbidden or delete a single temperature measuring node in the current temperature measuring point management interface according to actual temperature measuring needs.
Fig. 6 is a view interface of the temperature change curve of the single temperature measurement node in this embodiment, and a user may perform operations such as history query and alarm query on temperature measurement data of the single temperature measurement node according to actual needs.
Fig. 7 is a routing management interface of this embodiment, and in a current page, a user may manage a routing base station node of the internet of things to realize optimal arrangement of temperature measurement routing nodes in a current scene.
Having shown and described one embodiment of the present invention, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made herein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
Translated fromChinesePriority Applications (1)
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