CN111458037A - Body temperature screening recording device and body temperature screening processing method - Google Patents
Body temperature screening recording device and body temperature screening processing method Download PDFInfo
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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
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
- G01K1/022—Means for indicating or recording specially adapted for thermometers for recording
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
- G01K13/20—Clinical contact thermometers for use with humans or animals
- G01K13/223—Infrared clinical thermometers, e.g. tympanic
Abstract
The utility model discloses a body temperature screening recording device and a body temperature screening processing method; body temperature screening recording device includes: the body temperature screening and recording device body can be arranged on a door frame or a wall; the infrared thermal imaging temperature measurement module is used for capturing temperature data of 32 × 24 pixel points for past personnel to obtain a temperature value of the surface of a human body so as to capture and measure the temperature data of the past personnel; the processor module is used for denoising and carrying out temperature compensation on temperature data of captured and measured passing personnel, converting the temperature data into target measurement temperature, and judging whether the target measurement temperature is greater than a preset value or not to generate an alarm control signal: the alarm device alarms the abnormal body temperature measurement according to the alarm control signal of the processor module. This application is installed and can be realized rapid temperature measurement body temperature on safety inspection door or door frame, and the measurand personnel can directly pass through, need not stop, just can rapid temperature measurement body temperature, and simple structure is with low costs to can avoid the contact infection risk of current volume temperature rifle.
Description
Technical Field
The invention relates to the technical field of temperature measurement, in particular to a rapid body temperature screening recorder and a security door.
Background
In 2020, the patient is affected by the epidemic situation of pneumonia infected by the novel coronavirus, and the measurement of body temperature becomes the most daily activity of people. Temperature measuring devices are required to detect temperature in many places of industry, medical treatment, military affairs, life and the like.
The infrared temperature measurement principle is as follows: as long as the temperature of any object is higher than absolute zero (-273 ℃), heat radiation is emitted to the outside, the temperature of the object is different, the energy radiated by the object is also different, the wavelength of the radiation wave is also different, but the object always contains infrared radiation, the temperature of the object is below thousand ℃, and strong electromagnetic waves in the heat radiation are infrared waves, so that the surface temperature of the object can be accurately measured by measuring the infrared radiation of the object, and the objective basis of the temperature measurement of the infrared thermometer is provided.
The forehead temperature gun is mainly used for measuring body temperature in the prior art, a measurement result can be obtained in a short time without measuring the temperature for as long as that of a thermometer, and the measurement result is displayed on an L CD screen or sent to a display device through a serial port.
Accordingly, the prior art is yet to be improved and developed.
Disclosure of Invention
In order to overcome the defect of too short test distance in the prior art, the invention aims to provide a body temperature screening and recording device and a body temperature screening and processing method, and provides a non-contact infrared automatic temperature measuring device special for human body temperature measurement.
The technical scheme of the invention is as follows:
a body temperature screening recording device, comprising: the body temperature screening and recording device body can be arranged on a door frame or a wall through a connecting piece;
the infrared thermal imaging temperature measurement module is arranged on the body temperature screening and recording device body and is used for capturing the temperature data of 32 × 24 pixel points for the passing personnel to obtain the temperature value of the surface of the human body so as to capture and measure the temperature data of the passing personnel;
the processor module is arranged in the body temperature screening and recording device body and connected with the infrared thermal imaging temperature measurement module, and is used for denoising and carrying out temperature compensation on temperature data of captured and measured passing personnel, then converting the temperature data into target measurement temperature, and judging whether the target measurement temperature is greater than a preset value or not to generate an alarm control signal:
the display screen is arranged on the body temperature screening and recording device body and used for displaying the target measured temperature, and the display screen is connected with the processor module;
and the alarm device is arranged on the body temperature screening and recording device body and connected with the processor module and is used for alarming the abnormal body temperature measurement according to the alarm control signal of the processor module.
Body temperature screening recorder, wherein, infrared thermal imaging temperature measurement module includes:
the infrared detector is used for tracking the forehead infrared radiation signals of the passing personnel and capturing temperature data distribution images of 32 × 24 pixel points;
and the temperature processing and converting module is connected with the infrared detector and used for converting the temperature data distribution image for grabbing 32 × 24 pixel points into a video image through photoelectric conversion and signal processing to obtain a temperature value signal of the surface of the human body so as to grab and measure the temperature data of the passing personnel.
The body temperature screening recording device, wherein the processor module comprises:
the de-noising processing unit is used for de-noising the captured and measured temperature signals of the passing personnel to obtain de-noised temperature data;
the temperature compensation unit is connected with the denoising processing unit and is used for carrying out temperature compensation on the denoised temperature data and converting the denoised temperature data into a target measurement temperature;
the judging unit is connected with the temperature compensating unit and is used for judging whether the target measured temperature is greater than a preset value or not and generating an alarm control signal when the target measured temperature is greater than the preset value;
and the control unit is connected with the judging unit and used for controlling the alarm device to give an alarm according to the alarm control signal.
The body temperature screening and recording device comprises a processor module and a storage module, wherein the processor module further comprises
The operational amplifier is connected with the denoising processing unit and used for amplifying the denoised temperature signal into a simulated temperature signal;
the analog-to-digital converter is connected with the operational amplifier and is used for converting the amplified analog temperature signal into temperature data of a digital signal;
the data initialization module is connected with the analog-to-digital converter and used for initializing the acquired temperature data;
the I/O port query module is connected with the data initialization module and used for querying data, inquiring the current state of the specified peripheral equipment through an I/O instruction, inputting or outputting the data if the peripheral equipment is ready, and otherwise, the CPU waits for and circularly queries;
the data query module is connected with the I/O port query module and used for inputting query conditions, connecting data sources, opening a query record set and controlling a display screen to display a query result;
the data calibration module is connected with the temperature compensation unit and used for carrying out data calibration by utilizing an algorithm of using black body assistance and clinical data as supports to obtain corrected body temperature data;
and the data output module is connected with the data calibration module and used for converting the corrected body temperature data into decimal data and outputting the decimal data.
The body temperature screening and recording device also comprises a camera which is arranged on the body temperature screening and recording device body and is used for starting automatic snapshot of a human face image for a person with abnormal body temperature, and the camera is connected with the processor module;
and the network module is connected with the processor module and is used for sending the face image information of the person with abnormal temperature to a specified remote terminal.
The body temperature screening and recording device comprises a body temperature screening and recording device body, a body temperature screening and recording device body and a body temperature detecting device, wherein the body temperature screening and recording device body is a square box body, and the square box body comprises a square upper cover and a square lower cover which is buckled and connected with the square upper cover;
the display screen is arranged on the square upper cover;
the connecting piece is a bracket, a concave accommodating cavity is formed in the bracket, the body temperature screening and recording device body is installed on the concave accommodating cavity of the bracket in an inserting mode, and the body temperature screening and recording device body can be installed on a door frame or a wall through the bracket;
an infrared opening hole for infrared emission of the infrared thermal imaging temperature measurement module is formed in one end face of the body temperature screening and recording device body, and the display screen is installed on the other end face of the body temperature screening and recording device body; the infrared thermal imaging temperature measurement module is installed at the position, aligned with the infrared opening hole, of the body temperature screening and recording device body.
The body temperature screening recording device, wherein, still include:
the rechargeable lithium battery is arranged in the body temperature screening and recording device body;
the Micro USB interface is arranged on the body temperature screening and recording device body;
the lithium battery and the Micro USB interface are respectively connected with the processor module;
the processor module is a main control chip with the model number of ATM32F427V1T6_ L QFP 100;
the infrared thermal imaging temperature measurement module comprises a temperature sensor with the model number of M L XM L X90640;
the display screen is a 2.4-inch TFT screen;
body temperature examination recording device body lower extreme is provided with the round hole, and the alarm sound that alarm device produced passes through the round hole outdiffusion alarm sound.
The body temperature screening recording device, wherein, it still includes: the body temperature screening and recording device comprises a body temperature screening and recording device body, a power key, an increase key, a decrease key and a unit switching key, wherein the power key is used for switching a power supply, the increase key and the decrease key are used for setting alarm temperature, and the unit switching key is used for switching a temperature display mode;
the power key, the increase key, the decrease key and the unit switching key are respectively connected with the processor module.
A body temperature screening processing method of the body temperature screening recording device as described in any one of the above, comprising the steps of:
capturing the temperature data of 32 × 24 pixel points for the past personnel through an infrared thermal imaging temperature measurement module to obtain the temperature value of the surface of the human body so as to capture and measure the temperature data of the past personnel;
through the processor module who is connected with infrared thermal imaging temperature measurement module, to snatching the past personnel temperature data of measurement and removing noise and handle and trun into target measurement temperature after carrying out temperature compensation to judge and produce an alarm control signal when target measurement temperature is greater than the default:
the alarm device connected with the processor module alarms the abnormal body temperature measurement according to the alarm control signal of the processor module;
and the display screen displays the target measured temperature.
The body temperature screening and processing method further comprises the following steps:
the method comprises the steps that a body temperature screening and recording device captures measured temperature data of passing personnel, and when the target measured temperature is higher than a preset value, personal characteristic information of a person with abnormal body temperature is obtained from the body temperature screening and recording device;
comparing the personal characteristic information of the personal infrared thermal imaging with a remote database to identify the identity information of the person with abnormal body temperature;
searching a preset corresponding identity information database according to the identity information of the abnormal body temperature, and finding out a mobile phone number corresponding to the identity information of the abnormal body temperature;
according to the found mobile phone number corresponding to the identity information of the person with abnormal body temperature, finding a corresponding motion track through a corresponding operator library;
and automatically screening other contact lists with the distance to the motion trail being less than a preset range within the specified days according to the found motion trail, and generating and outputting the list lists.
The invention has the beneficial effects that: the body temperature screening and recording device provided by the invention can be arranged on a security door or a door frame through the connecting piece to realize rapid body temperature measurement, and a measured person can directly pass through the device and can rapidly measure the body temperature without stopping the device, so that the device has a simple structure and low cost, and can avoid the risk of contact infection of the conventional forehead temperature gun. The body temperature screening and recording device adopts the infrared thermal imaging temperature measurement module which is arranged on the body temperature screening and recording device body and is used for capturing and measuring the temperature of the passing personnel, and the infrared thermal imaging technology is utilized to rapidly capture temperature data, so that contact infection can be avoided. And simple structure, simple to operate.
The invention provides a non-contact infrared automatic temperature measurement system special for human body temperature measurement. The invention has the three characteristics of non-contact temperature measurement, real-time body temperature measurement of large-scale people and automatic grabbing of fever people; the body temperature screening and recording device detects infrared radiation of a human body in real time, an AI algorithm is implanted into the system, and body temperature data obtained through the algorithm is in units of milliseconds. The body temperature screening and recording device does not need any stop of people when working, and once the people enter the monitoring range of the equipment, the instrument automatically tracks the face temperature measuring area of the human body to measure body temperature data. And simultaneously supports voice alarm prompt. The body temperature monitoring device is suitable for being used in crowded places such as hospitals, airports, stations, subways and schools, and helps security check personnel to improve the body temperature screening efficiency.
Drawings
Fig. 1 is a schematic front view of a body temperature screening recording device according to a preferred embodiment of the present invention.
Fig. 2 is a rear view schematic diagram of a body temperature screening recording device according to a preferred embodiment of the invention.
Fig. 3 is a schematic view of the lower end structure of the preferred embodiment of the body temperature screening recording device of the present invention.
Fig. 4 is a schematic top end structure view of the body temperature screening recording device according to the preferred embodiment of the invention.
Fig. 5 is a schematic block diagram of the circuit of the preferred embodiment of the body temperature screening recording device of the present invention.
FIG. 6 is a schematic block diagram of the interior of the processor module of the preferred embodiment of the body temperature screening recording apparatus of the present invention.
Fig. 7 is a schematic structural view of a support of a preferred embodiment of the body temperature screening recording device of the present invention.
Fig. 8 is a functional block diagram of a body temperature screening recording system according to the present invention.
Fig. 9 is a flowchart of a body temperature screening processing method of the body temperature screening recording device according to the present invention.
Detailed Description
The invention provides a body temperature screening recording device and a body temperature screening processing method, and in order to make the purpose, technical scheme and effect of the invention clearer and clearer, the invention is further described in detail below by referring to the attached drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
If the surface temperature of the object exceeds absolute zero, electromagnetic waves can be radiated, the radiation intensity and the wavelength distribution characteristic of the electromagnetic waves are changed along with the temperature change, the electromagnetic waves with the wavelength between 0.75 mu m and 1000 mu m are called infrared rays, and the visible light of human vision is between 0.4 mu m and 0.75 mu m.
Wherein the part with the wavelength of 0.78-2.0 microns is called near infrared, and the part with the wavelength of 2.0-1000 microns is called thermal infrared. When infrared rays are transmitted on the ground, the infrared rays are absorbed by Atmospheric composition substances (particularly H2O, CO2, CH4, N2O, O3 and the like), the intensity is obviously reduced, the infrared rays only have better transmittance (Transmission) in two wave bands of 3-5 microns of medium waves and 8-12 microns of long waves, which are known as Atmospheric windows (Atmospheric windows), and most of thermal infrared imagers detect the two wave bands and calculate and display the surface temperature distribution of an object. In addition, infrared thermography is primarily used to measure the infrared radiation energy of the object surface because infrared rays have very poor penetration ability to most of solid and liquid materials.
The camera images to obtain photos, and the television camera images to obtain television images, which are all visible light images. In nature, all objects can radiate infrared rays, so that the difference in infrared rays between the object itself and the background is measured by a detector and different infrared images can be obtained, and the image formed by thermal infrared rays is called a heat map.
The inventor researches and discovers that the temperature measurement of the forehead temperature gun in the prior art mainly adopts a handheld forehead temperature gun, the temperature measurement time is not as long as that of a thermometer, the measurement result can be obtained in a short time and is displayed on an L CD screen or is sent to display equipment through a serial port, but the forehead temperature gun can only acquire single-point temperature data and can accurately measure the temperature only by fixing the position of a detected object.
In order to solve the technical problem, the invention provides a body temperature screening and recording device.
A body temperature screening recording device provided in an embodiment of the present invention is shown in fig. 1, fig. 2, and fig. 5, and includes:
a body temperature screening recording device body 100 which can be mounted on a door frame or a wall through a connector;
the infrared thermal imaging temperature measurement module 110 is arranged on the body temperature screening and recording device body 100 and is used for capturing temperature data of 32 × 24 pixels of passing personnel to obtain a temperature value of the surface of a human body so as to capture and measure the temperature data of the passing personnel;
the processor module 121 is arranged in the body temperature screening and recording device body 100 and connected with the infrared thermal imaging temperature measurement module 110, and is used for denoising and carrying out temperature compensation on temperature data of passing personnel for grabbing measurement, then converting the temperature data into target measurement temperature, and judging whether the target measurement temperature is greater than a preset value or not to generate an alarm control signal:
the display screen 130 is arranged on the body temperature screening and recording device body 100 and used for displaying the target measured temperature, and the display screen 130 is connected with the processor module 121;
and the alarm device 140 is arranged on the body temperature screening and recording device body 100 and connected with the processor module 121, and is used for alarming the abnormal body temperature measurement according to the alarm control signal of the processor module 121.
In the embodiment of the invention, when in use, the body temperature screening and recording device can be arranged on a door frame or a wall through the connecting piece, and the infrared thermal imaging temperature measurement module obtains the temperature value of the surface of a human body so as to capture and measure the temperature data of passing personnel; the processor module carries out denoising processing on the temperature data of the captured and measured passing personnel, carries out temperature compensation on the temperature data, converts the temperature data into a target measurement temperature, and judges that an alarm control signal is generated when the target measurement temperature is greater than a preset value; the alarm device alarms the abnormal body temperature measurement according to the alarm control signal of the processor module.
According to the invention, the body temperature can be rapidly measured through the infrared thermal imaging temperature measurement module 110, more importantly, the maximum temperature value of the surface of the human body can be obtained by capturing the temperature data of 32-24 pixels, so that the multi-point measurement of the passing personnel can be conveniently carried out, and the pixels are not too many, so that the measurement is more accurate, and the measurement efficiency is high.
In the invention, the display screen can adopt a 2.4-inch TFT screen, the resolution is 0.1 ℃, the temperature measurement range is 32-45 ℃, and the basic precision is +/-0.5 ℃. The system can realize unit conversion of ℃/< F >, picture alarm and sound alarm, and is convenient for timely alarming the user with abnormal body temperature.
Further, in the body temperature screening and recording device according to the embodiment of the present invention, preferably, the infrared thermal imaging temperature measuring module 110 includes:
the infrared detector is used for tracking the forehead infrared radiation signals of the passing personnel and capturing temperature data distribution images of 32 × 24 pixel points;
and the temperature processing and converting module is connected with the infrared detector and used for converting the temperature data distribution image for grabbing 32 × 24 pixel points into a video image through photoelectric conversion and signal processing to obtain a temperature value signal of the surface of the human body so as to grab and measure the temperature data of the passing personnel.
The method comprises the step of capturing the temperature data of 32 × 24 pixel points to obtain the maximum temperature value of the surface of the human body. Since the specification of the sensor used in the present invention is to capture 32 x 24 temperature data; the temperature data of the pixel points captured by the common type temperature measurement is more than 32 x 24 or less than 32 x 24 pixel points, so that the cost performance of the invention is high; to achieve the unique advantages of the present invention: the temperature can be measured by a person directly without stopping.
Further, in the body temperature screening recording apparatus according to the present application, as shown in fig. 6, the processor module 121 includes:
the denoising processing unit 211 is configured to perform denoising processing on the captured and measured temperature signal of the passing person to obtain denoised temperature data;
the temperature compensation unit 212 is connected with the denoising processing unit 211 and is used for performing temperature compensation on the denoised temperature data and converting the denoised temperature data into a target measurement temperature;
a judging unit 213 connected to the temperature compensating unit 212 for judging whether the target measured temperature is greater than a preset value, and generating an alarm control signal when the target measured temperature is judged to be greater than the preset value;
and a control unit 214 connected to the judgment unit 213, for controlling the alarm device 140 to alarm according to the alarm control signal.
The body temperature is rapidly measured through the infrared temperature measurement module, the temperature data of 32 × 24 pixel points are captured, and the maximum temperature value of the surface of the human body is obtained; denoising the temperature data through a denoising processing unit 211 to obtain denoised temperature data; converting the denoised temperature data into human body temperature; temperature compensation is carried out by taking a large amount of clinical data, namely body temperature data of a large amount of patients collected in a hospital as a reference; the corrected data is close to the real temperature of the target. The algorithm is suitable for correcting the target temperature by infrared temperature measuring equipment with various accuracies and applicable temperature ranges under complex conditions; the invention can overcome the temperature error of the infrared temperature measuring equipment when the factors such as temperature, distance, angle and the like change, and realize the purpose of quickly, accurately and safely measuring the temperature.
The corrected body temperature data is detected, if the body temperature is larger than or equal to a set value (for example, 37.3 degrees), abnormal body temperature is screened out, an alarm prompt is generated, and if the body temperature is lower than the set value, the abnormal body temperature is not screened out.
Further, as shown in fig. 7, the processor module 121 of the body temperature screening recording device according to the present application further includes:
the operational amplifier 215 is connected with the denoising processing unit 211 and is used for amplifying the denoised temperature signal into an analog temperature signal;
an analog-to-digital converter 216 connected to the operational amplifier 215 for converting the amplified analog temperature signal into temperature data of a digital signal;
the data initialization module 217 is connected with the analog-to-digital converter 216 and is used for initializing the acquired temperature data;
an I/O port query module 218 connected to the data initialization module 217, configured to query data, query a current state of a specified peripheral device through an I/O instruction, and if the peripheral device is ready, perform data input or output, otherwise, the CPU waits for a cycle query;
a data query module 219 connected to the I/O port query module 218, configured to, according to an input query condition, connect a data source, open a query record set, and control the display screen 130 to display a query result;
the data calibration module 220 is connected to the temperature compensation unit 212 and configured to perform data calibration by using an algorithm supported by blackbody assistance and clinical data to obtain corrected body temperature data;
and the data output module 221 is connected with the data calibration module 220 and is used for converting the corrected body temperature data into decimal data and outputting the decimal data.
The temperature sensor module of the invention obtains 32 × 24 temperature signals, obtains the maximum temperature value and outputs; the operational amplifier module amplifies the received temperature signal; the analog-to-digital converter module converts the analog signal into a digital signal; the data initialization module initializes the acquired data; the I/O port query module queries data, the CPU queries the current state of the specified peripheral equipment through an I/O instruction, if the peripheral equipment is ready, the data is input or output, otherwise, the CPU waits and circularly queries.
The data query module internally comprises the steps of inputting query conditions, connecting data sources, opening a query record set and displaying query results.
The data calibration module performs data calibration by using a special algorithm supported by blackbody assistance and a large amount of clinical data, so that the measured temperature meets the national standard, the data is accurate, and the data calibration module can be used for medical equipment.
The data module transmits data to be converted into decimal output. And the monitoring and screening module monitors the body temperature data, judges whether the highest point of the body temperature is higher than a set value or not, and screens the highest point of the body temperature if the highest point of the body temperature is higher than the set value.
Further, as shown in fig. 5, the body temperature screening recording device further includes a camera 150 disposed on the body temperature screening recording device body 100 for starting automatic snapshot of a human face image for a person with abnormal body temperature, wherein the camera 150 is connected to the processor module 121;
and the network module 160 is connected with the processor module 121 and is used for sending the face image information of the temperature anomaly person to a specified remote terminal. In the embodiment of the invention, the body temperature data and the face image of the abnormal person can be timely sent to the appointed remote terminal through the network module, so that the user with abnormal body temperature can be conveniently and timely recorded.
Further, as shown in fig. 1 and fig. 2, the body temperature screening and recording device body 100 of the present application is a square box, such as a small square box, and the square box includes a square upper cover 101 and a square lower cover 102 connected with the square upper cover 101 in a snap-fit manner; the square box body is convenient to install and does not occupy space. And the square upper cover 101 and the square lower cover 102 are adopted, so that the installation and the assembly are convenient.
The display screen 130 is arranged on the square upper cover 101;
further, as shown in fig. 7, the connecting member of the present application is a bracket 10, a concave accommodating cavity 11 is provided on the bracket 10, the body temperature screening recording device body 100 is inserted and installed on the concave accommodating cavity 11 of the bracket 10, and the body temperature screening recording device body 100 is installed on a door frame or a wall through the bracket 10; through the support mounting convenient to carry out temperature measurement to the personnel of passing on door frame or wall, easy to assemble dismantles on current access control system.
Further, as shown in fig. 2, an infrared opening 103 for emitting infrared rays of the infrared thermal imaging temperature measurement module 110 is disposed on one end surface of the body temperature screening and recording device body 100, and the display screen 130 is mounted on the other end surface of the body temperature screening and recording device body 100; the infrared thermal imaging temperature measurement module 110 is installed at a position where the body temperature screening and recording device body 100 is aligned with the infrared opening hole 103.
Further, as shown in fig. 5, the body temperature screening recording device according to the present application further includes:
a rechargeable lithium battery 200 disposed in the body temperature screening recording device body 100; the emergency use is convenient;
as shown in fig. 3, preferably, an SD card interface 4 is further disposed on the body temperature screening and recording device body 100, so as to facilitate the insertion of a memory card for storing temperature data and image data of abnormal body temperature.
The lithium battery 200 and the Micro USB interface 190 are respectively connected with the processor module 121;
the processor module 121 is preferably a main control chip with model number ATM32F427V1T6_ L QFP 100;
the infrared thermal imaging temperature measurement module 110 comprises a temperature sensor with the model number of M L XM L X90640;
the display screen 130 is a 2.4-inch TFT screen;
the lower end of the body temperature screening and recording device body 100 is provided with a round hole 5, as shown in fig. 4, the alarm sound generated by the alarm device 140 is diffused outwards through the round hole 5.
Further, as shown in fig. 1 and 4, the body temperature screening recording device according to the present application further includes: a power key 6 for switching on and off a power supply, an increase key 1(up key) and a decrease key 3(down key) for setting alarm temperature, and a unit switching key 2 for switching a temperature display mode are arranged on the surface of the body temperature screening and recording device body 100;
the power key 6, the increase key 1(① increase key), the decrease key 3(③ decrease key) and the unit switch key 2 are respectively connected with the processor module 121, when the measured temperature is more than or equal to a set value, the display screen 130 reminds with yellow and red backgrounds, and the alarm device 140 gives an alarm along with a sound, the alarm device simultaneously gives an alarm function (sound alarm and picture alarm at the PC end) and automatically records data, and 4 keys (the power key, the increase key, the decrease key and the unit switch key, wherein when the increase key and the decrease key are used for setting an alarm temperature value by a user, the increase key is not pressed to increase the temperature by 0.1 ℃, the unit switch key is used for switching the temperature and the F), the measurement deviation of the unit switch key and a standard mercury thermometer is less than or equal to 0.5 ℃ (1.0F), and the unit switch key can continuously work for more than 5.5h when being fully charged (the brightness in the backlight.
When the invention is implemented concretely, when the starting progress reaches 90%, pressing an OK key (2) and an UP key (an increase key 1) can display a red font 'set _ mode _ A';
pressing the up key (increment key 1) or the down key (decrement key 3) can select three modes of "mode _ A", "mode _ B" and "mode _ C". And pressing a return key to return. The next boot is the default mode.
"mode _ a": normal use mode, displaying temperature.
"mode _ B": imaging mode, maximum temperature is displayed in the middle.
"mode _ C": all temperature values usb are sent out in the mode.
In the invention, the temperature sensor of the infrared thermal imaging temperature measurement module 110 senses the temperature and converts the temperature into an analog signal, the analog signal is converted into a digital signal through the analog-to-digital converter, and the temperature data is stored.
The processor module 121 is configured to control the temperature acquisition module to complete temperature acquisition and read the acquired temperature into the data register of the control module, and then write the temperature data read from the temperature acquisition module into the display module and control the display module to complete temperature display.
The main function of the temperature display is to display the data written by the processor module 121 on the liquid crystal screen under the control of the processor module 121, so as to facilitate reading the temperature value. The display screen adopts a KD024C-4 liquid crystal screen.
The temperature alarm module mainly comprises a buzzer, and when the abnormal temperature is detected, the buzzer gives an alarm.
Based on the above embodiment, as shown in fig. 8, the invention further provides a body temperature screening recording system, which includes any one of the body temperature screening recording devices (100), and a cloud server 300 connected to the body temperature screening recording device, where the body temperature screening recording device is connected to the cloud server 300 through a network;
the cloud server 300 includes:
the characteristic acquisition module 310 is used for acquiring personal characteristic information of the person with abnormal body temperature from the body temperature screening and recording device when the target measured temperature is higher than a preset value in the past person temperature data captured and measured by the body temperature screening and recording device;
the characteristic comparison module 320 is connected with the characteristic acquisition module 310 and is used for comparing the personal characteristic information of the personal infrared thermal imaging with the characteristics of a remote database and identifying the identity information of the person with abnormal body temperature;
the mobile number matching module 330 connected to the characteristic comparison module 320 is used for identifying the identity information of the abnormal body temperature person, searching a preset corresponding identity information database, and finding out a mobile phone number corresponding to the identity information of the abnormal body temperature person;
the track query module 340 connected with the mobile number matching module 330 is used for finding a corresponding motion track through a corresponding operator library according to the found mobile phone number corresponding to the identity information of the abnormal body temperature person;
and the screening module 350 is connected with the track query module 340 and is used for automatically screening the list of other contacts within a specified number of days and with a distance to the motion track smaller than a preset range according to the found motion track, and generating a list for outputting.
The body temperature screening recording system provided by the embodiment of the invention can capture the measured temperature data of the past personnel by the body temperature screening recording device, and when the target measured temperature is higher than a preset value (for example, 37.3 ℃), the personal characteristic information of the individual infrared thermal imaging of the person with abnormal body temperature (for example, a fever person) is acquired from the body temperature screening recording device;
the personal characteristic information of the personal infrared thermal imaging is compared with a remote database through a characteristic comparison module 320 to identify the identity information of the abnormal body temperature person, then the identity information of the abnormal body temperature person is identified through a mobile number matching module 330, a preset corresponding identity information database is searched, and a mobile phone number corresponding to the identity information of the abnormal body temperature person is found; then, through a track query module 340, according to the found mobile phone number corresponding to the identity information of the abnormal body temperature person, a corresponding motion track is found through a corresponding operator library; the invention can record the identity information of the fever staff and find out the mobile phone number used by the fever staff, and the movement track of the fever staff can be found out through the mobile phone number of the fever staff. Then, the screening module 350 can automatically screen the list of other contacts within a specified number of days and with a distance from the motion trail smaller than a predetermined range according to the found motion trail, and generate a list for outputting.
The method and the device can realize that the body temperature of the user A exceeds 37.3 and is determined as abnormal body temperature, such as fever, through body temperature screening, the identity information of a person with fever is recorded, the mobile phone number used by the person with fever is found, and the motion track of the person with fever, such as whether the person goes to a dangerous area, can be found through the mobile phone number of the person with fever. And automatically screening other contact lists with the distance to the motion trail being less than a preset range (less than 1 meter radius) within a specified number of days (for example, 7 days) according to the found motion trail, and generating a list for outputting. The contact person with abnormal body temperature can be screened conveniently and timely, the screening is simple and quick, and manpower and material resources can be effectively saved.
Based on the body temperature screening recording device of the above embodiment, the invention further provides a body temperature screening processing method of the body temperature screening recording device, as shown in fig. 9, including the following steps:
step S91, capturing temperature data of 32 × 24 pixels of past personnel through the infrared thermal imaging temperature measurement module 110, and obtaining a temperature value of the surface of the human body, so as to capture and measure the temperature data of the past personnel;
step S92, through the processor module 121 connected with the infrared thermal imaging temperature measurement module 110, the temperature data of the captured and measured passing personnel is denoised, temperature compensation is carried out on the temperature data, then the temperature data is converted into a target measurement temperature, and an alarm control signal is generated when the target measurement temperature is judged to be greater than a preset value:
step S93, alarming abnormal body temperature measurement through the alarm device 140 connected with the processor module 121 according to the alarm control signal of the processor module 121;
step S94, the display 130 displays the target measured temperature.
In the embodiment of the invention, when in use, the body temperature screening and recording device can be arranged on a door frame or a wall through the connecting piece, and the infrared thermal imaging temperature measurement module obtains the temperature value of the surface of a human body so as to capture and measure the temperature data of passing personnel; the processor module carries out denoising processing on the temperature data of the captured and measured passing personnel, carries out temperature compensation on the temperature data, converts the temperature data into a target measurement temperature, and judges that an alarm control signal is generated when the target measurement temperature is greater than a preset value; the alarm device alarms the abnormal body temperature measurement according to the alarm control signal of the processor module.
According to the invention, the body temperature can be rapidly measured through the infrared thermal imaging temperature measurement module 110, more importantly, the maximum temperature value of the surface of the human body can be obtained by capturing the temperature data of 32-24 pixels, so that the multi-point measurement of the passing personnel can be conveniently carried out, and the pixels are not too many, so that the measurement is more accurate, and the measurement efficiency is high.
Further, the body temperature screening processing method further comprises the following steps:
the method comprises the steps that a body temperature screening and recording device captures measured temperature data of passing personnel, and when the target measured temperature is higher than a preset value, personal characteristic information of a person with abnormal body temperature is obtained from the body temperature screening and recording device;
comparing the personal characteristic information of the personal infrared thermal imaging with a remote database to identify the identity information of the person with abnormal body temperature;
searching a preset corresponding identity information database according to the identity information of the abnormal body temperature, and finding out a mobile phone number corresponding to the identity information of the abnormal body temperature;
according to the found mobile phone number corresponding to the identity information of the person with abnormal body temperature, finding a corresponding motion track through a corresponding operator library;
and automatically screening other contact lists with the distance to the motion trail being less than a preset range within the specified days according to the found motion trail, and generating and outputting the list lists.
The method can be used for determining that the body temperature of the user A exceeds 37.3 and is abnormal, such as fever, by screening the body temperature, recording the identity information of a person with fever and finding out the mobile phone number used by the person with fever, and finding out the motion track of the person with fever, such as whether the person goes to a dangerous area or not, by the mobile phone number of the person with fever. And automatically screening other contact lists with the distance to the motion trail being less than a preset range (less than 1 meter radius) within a specified number of days (for example, 7 days) according to the found motion trail, and generating a list for outputting. The contact person with abnormal body temperature can be screened conveniently and timely, the screening is simple and quick, and manpower and material resources can be effectively saved.
In conclusion, the beneficial effects of the invention are as follows: the body temperature screening and recording device provided by the invention can be arranged on a security door or a door frame through the connecting piece to realize rapid body temperature measurement, and a measured person can directly pass through the device and can rapidly measure the body temperature without stopping the device, so that the device has a simple structure and low cost, and can avoid the risk of contact infection of the conventional forehead temperature gun. The invention adopts the infrared thermal imaging temperature measurement module 110 which is arranged on the body temperature screening and recording device body 100 and is used for capturing and measuring the temperature of the passing personnel, and utilizes the infrared thermal imaging technology to rapidly capture temperature data, thereby avoiding contact infection. And simple structure, simple to operate.
The invention provides a non-contact infrared automatic temperature measurement system special for human body temperature measurement. The invention has the three characteristics of non-contact temperature measurement, real-time body temperature measurement of large-scale people and automatic grabbing of fever people; the body temperature screening and recording device detects infrared radiation of a human body in real time, an AI algorithm is implanted into the system, and body temperature data obtained through the algorithm is in units of milliseconds. The body temperature screening and recording device does not need any stop of people when working, and once the people enter the monitoring range of the equipment, the instrument automatically tracks the face temperature measuring area of the human body to measure body temperature data. And simultaneously supports voice alarm prompt. The body temperature monitoring device is suitable for being used in crowded places such as hospitals, airports, stations, subways and schools, and helps security check personnel to improve the body temperature screening efficiency.
It is to be understood that the invention is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the invention as defined by the appended claims.
Claims (10)
1. A body temperature screening recording device, comprising: the body temperature screening and recording device body can be arranged on a door frame or a wall through a connecting piece;
the infrared thermal imaging temperature measurement module is arranged on the body temperature screening and recording device body and is used for capturing the temperature data of 32 × 24 pixel points for the passing personnel to obtain the temperature value of the surface of the human body so as to capture and measure the temperature data of the passing personnel;
the processor module is arranged in the body temperature screening and recording device body and connected with the infrared thermal imaging temperature measurement module, and is used for denoising and carrying out temperature compensation on temperature data of captured and measured passing personnel, then converting the temperature data into target measurement temperature, and judging whether the target measurement temperature is greater than a preset value or not to generate an alarm control signal:
the display screen is arranged on the body temperature screening and recording device body and used for displaying the target measured temperature, and the display screen is connected with the processor module;
and the alarm device is arranged on the body temperature screening and recording device body and connected with the processor module and is used for alarming the abnormal body temperature measurement according to the alarm control signal of the processor module.
2. The body temperature screening recording device of claim 1, wherein the infrared thermography thermometry module comprises:
the infrared detector is used for tracking the forehead infrared radiation signals of the passing personnel and capturing temperature data distribution images of 32 × 24 pixel points;
and the temperature processing and converting module is connected with the infrared detector and used for converting the temperature data distribution image for grabbing 32 × 24 pixel points into a video image through photoelectric conversion and signal processing to obtain a temperature value signal of the surface of the human body so as to grab and measure the temperature data of the passing personnel.
3. The body temperature screening recording device of claim 1, wherein the processor module comprises:
the de-noising processing unit is used for de-noising the captured and measured temperature signals of the passing personnel to obtain de-noised temperature data;
the temperature compensation unit is connected with the denoising processing unit and is used for carrying out temperature compensation on the denoised temperature data and converting the denoised temperature data into a target measurement temperature;
the judging unit is connected with the temperature compensating unit and is used for judging whether the target measured temperature is greater than a preset value or not and generating an alarm control signal when the target measured temperature is greater than the preset value;
and the control unit is connected with the judging unit and used for controlling the alarm device to give an alarm according to the alarm control signal.
4. The body temperature screening recording device of claim 3, wherein the processor module further comprises
The operational amplifier is connected with the denoising processing unit and used for amplifying the denoised temperature signal into a simulated temperature signal;
the analog-to-digital converter is connected with the operational amplifier and is used for converting the amplified analog temperature signal into temperature data of a digital signal;
the data initialization module is connected with the analog-to-digital converter and used for initializing the acquired temperature data;
the I/O port query module is connected with the data initialization module and used for querying data, inquiring the current state of the specified peripheral equipment through an I/O instruction, inputting or outputting the data if the peripheral equipment is ready, and otherwise, the CPU waits for and circularly queries;
the data query module is connected with the I/O port query module and used for inputting query conditions, connecting data sources, opening a query record set and controlling a display screen to display a query result;
the data calibration module is connected with the temperature compensation unit and used for carrying out data calibration by utilizing an algorithm of using black body assistance and clinical data as supports to obtain corrected body temperature data;
and the data output module is connected with the data calibration module and used for converting the corrected body temperature data into decimal data and outputting the decimal data.
5. The body temperature screening recording device according to claim 1, further comprising a camera arranged on the body temperature screening recording device body and used for automatically capturing a face image of a person with abnormal body temperature, wherein the camera is connected with the processor module;
and the network module is connected with the processor module and is used for sending the face image information of the person with abnormal temperature to a specified remote terminal.
6. The body temperature screening recording device according to claim 1, wherein the body temperature screening recording device body is a square box body, and the square box body comprises a square upper cover and a square lower cover which is buckled with the square upper cover;
the display screen is arranged on the square upper cover;
the connecting piece is a bracket, a concave accommodating cavity is formed in the bracket, the body temperature screening and recording device body is installed on the concave accommodating cavity of the bracket in an inserting mode, and the body temperature screening and recording device body can be installed on a door frame or a wall through the bracket;
an infrared opening hole for infrared emission of the infrared thermal imaging temperature measurement module is formed in one end face of the body temperature screening and recording device body, and the display screen is installed on the other end face of the body temperature screening and recording device body; the infrared thermal imaging temperature measurement module is installed at the position, aligned with the infrared opening hole, of the body temperature screening and recording device body.
7. The body temperature screening recording device of claim 1, further comprising:
the rechargeable lithium battery is arranged in the body temperature screening and recording device body;
the Micro USB interface is arranged on the body temperature screening and recording device body;
the lithium battery and the Micro USB interface are respectively connected with the processor module;
the processor module is a main control chip with the model number of ATM32F427V1T6_ L QFP 100;
the infrared thermal imaging temperature measurement module comprises a temperature sensor with the model number of M L XM L X90640;
the display screen is a 2.4-inch TFT screen;
body temperature examination recording device body lower extreme is provided with the round hole, and the alarm sound that alarm device produced passes through the round hole outdiffusion alarm sound.
8. The body temperature screening recording device of claim 1, further comprising: the body temperature screening and recording device comprises a body temperature screening and recording device body, a power key, an increase key, a decrease key and a unit switching key, wherein the power key is used for switching a power supply, the increase key and the decrease key are used for setting alarm temperature, and the unit switching key is used for switching a temperature display mode;
the power key, the increase key, the decrease key and the unit switching key are respectively connected with the processor module.
9. A body temperature screening processing method of the body temperature screening recording apparatus as set forth in any one of claims 1 to 8, comprising the steps of:
capturing the temperature data of 32 × 24 pixel points for the past personnel through an infrared thermal imaging temperature measurement module to obtain the temperature value of the surface of the human body so as to capture and measure the temperature data of the past personnel;
through the processor module who is connected with infrared thermal imaging temperature measurement module, to snatching the past personnel temperature data of measurement and removing noise and handle and trun into target measurement temperature after carrying out temperature compensation to judge and produce an alarm control signal when target measurement temperature is greater than the default:
the alarm device connected with the processor module alarms the abnormal body temperature measurement according to the alarm control signal of the processor module;
the display screen displays the target measured temperature.
10. The body temperature screening process of claim 9, further comprising the steps of:
the method comprises the steps that a body temperature screening and recording device captures measured temperature data of passing personnel, and when the target measured temperature is higher than a preset value, personal characteristic information of a person with abnormal body temperature is obtained from the body temperature screening and recording device;
comparing the personal characteristic information of the personal infrared thermal imaging with a remote database to identify the identity information of the person with abnormal body temperature;
searching a preset corresponding identity information database according to the identity information of the abnormal body temperature, and finding out a mobile phone number corresponding to the identity information of the abnormal body temperature;
according to the found mobile phone number corresponding to the identity information of the person with abnormal body temperature, finding a corresponding motion track through a corresponding operator library;
and automatically screening other contact lists with the distance to the motion trail being less than a preset range within the specified days according to the found motion trail, and generating and outputting the list lists.
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