CN214121422U - Control system applied to non-contact infrared temperature measurement - Google Patents
Control system applied to non-contact infrared temperature measurement Download PDFInfo
- Publication number
- CN214121422U CN214121422U CN202022914886.4U CN202022914886U CN214121422U CN 214121422 U CN214121422 U CN 214121422U CN 202022914886 U CN202022914886 U CN 202022914886U CN 214121422 U CN214121422 U CN 214121422U
- Authority
- CN
- China
- Prior art keywords
- module
- measurement
- temperature
- body temperature
- control system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000009529 body temperature measurement Methods 0.000 title claims abstract description 32
- 230000036760 body temperature Effects 0.000 claims abstract description 37
- 238000005259 measurement Methods 0.000 claims abstract description 36
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 15
- 238000004891 communication Methods 0.000 claims abstract description 11
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 6
- 230000000007 visual effect Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 208000035473 Communicable disease Diseases 0.000 description 1
- 241000711573 Coronaviridae Species 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
Images
Landscapes
- Radiation Pyrometers (AREA)
Abstract
本实用新型公开了一种应用于非接触式红外测温的控制系统，包括直流供电模块、微控制器模块、体温采集模块、环境温度采集模块、按键设置模块、距离测量模块、LCD液晶显示模块、声光报警模块和蓝牙通信模块；本实用新型通过对环境温度、人体温度、测量距离进行采集，并将处理数据及时显示在LCD液晶，同时伴有声光报警信号，并可通过蓝牙技术把数据传输到监控端、手机等终端；本采集和控制电路可以为红外测温仪的制作者或开发者提供指导参考。
The utility model discloses a control system applied to non-contact infrared temperature measurement, comprising a DC power supply module, a microcontroller module, a body temperature acquisition module, an ambient temperature acquisition module, a key setting module, a distance measurement module, and an LCD liquid crystal display module , a sound and light alarm module and a bluetooth communication module; the utility model collects the ambient temperature, human body temperature and measurement distance, and displays the processed data on the LCD liquid crystal in time, accompanied by sound and light alarm signals, and can be connected by bluetooth technology. Data is transmitted to monitoring terminals, mobile phones and other terminals; this acquisition and control circuit can provide guidance and reference for manufacturers or developers of infrared thermometers.
Description
Technical Field
The utility model relates to a human temperature or ambient temperature measurement technical field specifically are a control system who is applied to infrared temperature measurement of non-contact.
Background
The current epidemic situation of the novel coronavirus (2019-nCoV) is still prevalent in some countries, and in order to prevent the spread of the epidemic situation, various airports, ports, stations, public places, offices, enterprises, schools and the like are equipped with an entrance or domestic infrared radiation thermometer and an infrared ear thermometer for rapid and non-contact temperature measurement to measure the temperature of a human body.
Although infrared thermometer has the characteristics of the quick temperature measurement of non-contact, nevertheless receive ambient temperature and distance influence, and infrared thermometer is generally expensive on the market at present, the utility model discloses the target that realizes is on the basis of looking neat to the performance index of high-grade infrared thermometer, through using the components and parts that the price is moderate, when realizing development cost reduction, effectively reduces factors such as ambient temperature, distance and influences the temperature measurement precision.
The principle of the infrared temperature measurement technology is that the radiation energy of infrared rays emitted by an object is converted into an electric signal, the magnitude of the infrared radiation energy has a close relation with the temperature of the object, and the temperature of the object can be determined according to the magnitude of the converted electric signal. The infrared thermometer is the only tool which can be used for rapid heating screening of large-scale people at present.
The infrared thermometer is most important to the accuracy of body temperature measurement. The environment temperature has an influence on the infrared temperature measurement result, when the external temperature is higher, the temperature of the equipment is relatively higher, namely the temperature of the equipment in a non-running state is higher, namely the equipment has certain virtual heat, and the measured result after the equipment runs is not very accurate. If the ambient temperature is too low, the equipment dissipates heat too fast, the temperature difference between the running part and the normal part is small, and the test result is easy to reduce. In addition, the difference in measurement distance may cause the measured body temperature to deviate from the actual body temperature, and may cause the normal body temperature to be misjudged.
The difficulty in realizing the accurate measurement of the infrared measuring instrument mainly lies in how to accurately and quickly measure signals such as required body temperature, ambient temperature, measuring distance and the like by using a circuit and embedded equipment, and compensating the measuring distance and the ambient temperature by combining a software algorithm with good fault tolerance and strong generalization capability. The control circuit can realize the acquisition and control of information such as environmental temperature, human-computer distance and the like so as to ensure that the requirement of accurate measurement is met.
SUMMERY OF THE UTILITY MODEL
In view of the technical deficiencies, the utility model aims to provide a control system applied to non-contact infrared temperature measurement, which collects the environmental temperature, the human body temperature and the measurement distance, displays the processed data on the LCD liquid crystal in time, simultaneously accompanies with the audible and visual alarm signals, and can transmit the data to the terminals such as a monitoring terminal and a mobile phone through the Bluetooth technology; the acquisition and control circuit can provide guidance reference for a manufacturer or a developer of the infrared thermometer.
In order to solve the technical problem, the utility model adopts the following technical scheme: the device comprises a direct current power supply module, a microcontroller module, a body temperature acquisition module, an ambient temperature acquisition module, a key setting module, a distance measurement module, an LCD (liquid crystal display) module, an audible and visual alarm module and a Bluetooth communication module;
the direct current power supply module provides direct current for the rest modules, and the body temperature acquisition module, the environment temperature acquisition module, the key setting module, the distance measurement module, the LCD liquid crystal display module, the sound-light alarm module and the Bluetooth communication module are connected with the microprocessor module to realize the exchange of input and output quantities.
Preferably, the microcontroller module adopts a single chip microcomputer to realize the exchange of input and output quantities.
Preferably, the body temperature acquisition module is a non-contact infrared detector and is sent to the microcontroller module in the form of digital quantity.
Preferably, the ambient temperature acquisition module is sent into the microcontroller module in the form of a digital quantity.
Preferably, the key setting module comprises three independent keys, namely a measurement key, a room temperature key and a body temperature key, the measurement realizes the control of the microcontroller module, and the room temperature key and the body temperature key respectively realize the selection of room temperature measurement and body temperature measurement modes.
Preferably, the distance measuring module is an ultrasonic distance measuring module and is transmitted into the microcontroller module in the form of digital quantity.
Preferably, the sound and light alarm module consists of a buzzer circuit built by a triode driving circuit and a red LED controlled by an IO port of the singlechip.
The beneficial effects of the utility model reside in that:
the utility model adopts the singlechip as the microprocessor, realizes the accurate collection of the environmental temperature, the human body temperature and the measuring distance, displays the processed data on the LCD liquid crystal in time, is accompanied with the acousto-optic alarm signal, and can transmit the data to the terminals such as a monitoring terminal and a mobile phone by the Bluetooth technology;
the utility model discloses select for use moderate components and parts of price, when realizing development cost reduction, for effectively cooperating the fault tolerance good, the software algorithm that the generalization ability is strong realizes that measuring distance and ambient temperature compensate and provide hardware assurance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of a control system applied to non-contact infrared temperature measurement according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a microcontroller module, a key setting module, and a distance measuring module;
FIG. 3 is a schematic view of a body temperature acquisition module;
FIG. 4 is a schematic diagram of an ambient temperature acquisition module;
FIG. 5 is a schematic diagram of an audible and visual alarm module;
FIG. 6 is a schematic diagram of an LCD liquid crystal module;
FIG. 7 is a schematic diagram of a Bluetooth communication module;
fig. 8 is a schematic diagram of a power module.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only 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.
Example (b):
as shown in fig. 1, the utility model provides a control system applied to non-contact infrared temperature measurement, which comprises a direct current power supply module, a microcontroller module, a body temperature acquisition module, an ambient temperature acquisition module, a key setting module, a distance measurement module, a Liquid Crystal Display (LCD) module, an audible and visual alarm module and a Bluetooth communication module;
wherein the dc power supply module provides dc power for the rest of the modules, and the dc power supply module is 3.3V dc power (as shown in fig. 8); the body temperature acquisition module, the environment temperature acquisition module, the key setting module, the distance measurement module, the LCD module, the sound-light alarm module and the Bluetooth communication module are connected with the microprocessor module to realize the exchange of input and output quantities;
specifically, the method comprises the following steps:
as shown in fig. 2, the microcontroller module is a rassa R7F microcontroller series, which is an 8-bit single chip microcomputer R7F0C001G2, and the body temperature acquisition module, the environment temperature acquisition module, the key setting module, the distance measurement module, the LCD liquid crystal display module, the sound and light alarm module and the bluetooth communication module are connected to realize electric signal acquisition and display and transmission of related data.
As shown in fig. 3, the body temperature acquisition module is a non-contact infrared detector MLX90614, the infrared sensitive thermopile detector chip, a low noise amplifier in signal regulation, a 17-bit ADC and a powerful DSP unit are integrated together by the detector, the requirements of high precision and high resolution are met, and the human body temperature acquired by the module is communicated through I2C and sent to a microprocessor in a digital quantity form.
As shown in fig. 4, the ambient temperature collecting module is a temperature measuring module DS18B20, which has an analog-to-digital conversion circuit integrated therein, outputs a digital signal, and is connected to the microprocessor module through a signal line 18B 20.
As shown in fig. 2, the key setting module is arranged at the upper right of fig. 2, the key setting module includes three independent keys, namely a measurement key, a room temperature key and a body temperature key, the measurement key realizes power supply to the microcontroller module, and the room temperature key and the body temperature key respectively realize selection of room temperature measurement and body temperature measurement modes, that is, corresponding room temperature key and body temperature key are pressed to measure corresponding temperatures; (in FIG. 2, it is simply referred to as measurement, body temperature, and room temperature)
As shown in fig. 2, the distance measuring module is at the lower left of fig. 2, and the distance measuring module is an HC-SR04 ultrasonic distance measuring module, which can provide a non-contact distance sensing function of 2cm-400cm, and the distance measuring accuracy can reach as high as 3 mm; the human body temperature collected by the module is communicated through I2C and is sent to a microprocessor in a digital quantity form; the module triggers ranging through an IO port Trig and gives a high level signal of at least 10 us; HC-SR04 automatically sends 8 square waves of 40khz and automatically detects whether a signal returns; when a signal returns, a high level is output through the IO port Echo, and the duration of the high level is the time from the emission to the return of the ultrasonic wave.
As shown in fig. 5, the sound and light alarm module is composed of a buzzer circuit built by a triode drive circuit and a red LED controlled by an IO port of a single chip microcomputer; starting temperature measurement, wherein the buzzer sounds and the LED lamp is lightened; after the measurement is finished, the buzzer is turned off, the LED lamp is turned off, and the measurement is prompted to be finished; the body temperature is tested to exceed 37.5 degrees, the buzzer continuously alarms in the test process, and the LED lamp continuously flickers at 1 Hz.
As shown in fig. 6, the LCD liquid crystal module uses LCD12864 liquid crystal with chinese character library, and has a plurality of interface modes such as 4 bit/8 bit parallel, 2 line or 3 line serial, etc. The utility model discloses choose eight IO mouths of PA0 ~ PA7 for use as the output of parallel port, select end, data/command end and control enable end as the reading and writing respectively by PB0 ~ PB 2. The PC6 acts as a screen reset terminal and the low level liquid crystal is reset.
As shown in fig. 7, the bluetooth communication module selects an industrial-grade bluetooth module WH-BLE103, so as to implement a function of transmitting bluetooth through UART, support long-distance transmission, and transmit the bluetooth through 60 m; the remote transmission of temperature measurement data is mainly realized.
The infrared body temperature monitor measures skin surface temperature, cannot represent actual temperature of a human body, is mostly used in public places, and is easily influenced by a plurality of complex factors such as environment and the like. The utility model discloses the mode that has combined together of ambient temperature measurement module and body temperature collection module has realized the measurement of ambient temperature and two kinds of modes of human problem. Meanwhile, in order to ensure the accuracy of measurement data, a distance measurement sensor is introduced to realize distance measurement so as to ensure that the body temperature measurement is within the optimal measurement distance of 2-6 cm, thereby ensuring that the infrared body temperature measuring instrument can be reliably used when the primary screening of fever symptoms in an extremely period such as infectious disease outbreak is carried out;
when the temperature measuring device is used, a 'measuring' button is pressed firstly, temperature measurement is started, the buzzer sounds at the moment, and the LED lamp is lightened; and after the measurement is finished, the buzzer is turned off, and the LED lamp is turned off to prompt that the measurement is finished. The LCD liquid crystal display displays the measured temperature value in degrees celsius digitally. There are 2 modes of temperature measurement: a "body temperature" mode and a "room temperature" mode. The two temperature measurements are switched by 2 keys of a body temperature key and a room temperature key. In order to ensure the measurement accuracy of the temperature, a distance measurement module is also added. The utility model discloses set for the best measuring distance of temperature and be 2cm ~ 6cm, if measuring distance outside this scope, the accessible is to distance measurement module's setting, through LCD suggestion "measuring distance is too near or too far away, needs to measure again". The body temperature measurement result can be transmitted to a data server or a mobile phone of a user in real time through the Bluetooth communication module.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022914886.4U CN214121422U (en) | 2020-12-07 | 2020-12-07 | Control system applied to non-contact infrared temperature measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022914886.4U CN214121422U (en) | 2020-12-07 | 2020-12-07 | Control system applied to non-contact infrared temperature measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214121422U true CN214121422U (en) | 2021-09-03 |
Family
ID=77510818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022914886.4U Active CN214121422U (en) | 2020-12-07 | 2020-12-07 | Control system applied to non-contact infrared temperature measurement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214121422U (en) |
-
2020
- 2020-12-07 CN CN202022914886.4U patent/CN214121422U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113576428A (en) | Non-contact temperature measuring device and temperature information correction method | |
| CN214121422U (en) | Control system applied to non-contact infrared temperature measurement | |
| CN203705069U (en) | Portable wireless thermometer | |
| CN105361860A (en) | Safety morning detection terminal and detection method thereof | |
| CN209790819U (en) | Two-minute stepping test evaluation system | |
| CN207036302U (en) | Charge type water thermometer | |
| CN212110347U (en) | Ear thermometer for detecting auditory meatus | |
| CN212180100U (en) | Convenient operation's infrared forehead temperature rifle | |
| CN206281524U (en) | A kind of Outdoor Air Quality environment measuring equipment | |
| CN211783956U (en) | Medical electronic thermometer, intelligent body temperature detection system and monitoring system | |
| CN206102627U (en) | Children's bluetooth thermometer | |
| CN204882571U (en) | Blood glucose meter based on zigbee | |
| CN206102624U (en) | Bluetooth thermometer | |
| CN209559802U (en) | A portable salinity meter based on STM8L052 microcontroller | |
| CN207335761U (en) | Home environment intelligent detection device based on FPGA | |
| CN216905315U (en) | Remote temperature measurement circuit with double-sided display function and temperature measurement device | |
| CN212206367U (en) | Convenient operation's infrared forehead thermometer | |
| CN212693076U (en) | Multi-screen thermodetector | |
| CN2643298Y (en) | A non-contact infrared temperature measuring device combined with a multifunctional digital multimeter | |
| CN210961294U (en) | A human body temperature detector with mirror display | |
| CN102421355A (en) | Method for measuring blood oxygen of fingers and finger gripping oximeter | |
| CN213090976U (en) | Infrared thermometer and temperature data statistics terminal | |
| CN201096799Y (en) | Automatic recording instrument for wind speed | |
| CN218002708U (en) | Forehead temperature gun control system convenient for detecting body temperature | |
| CN205144517U (en) | Examine terminal safe morning |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231030 Address after: Room 505, Private Technology Entrepreneurship Service Center, No. 605, Mount Huangshan Road, High tech Zone, Hefei City, Anhui Province, 230000 Patentee after: Hefei Tanzhen Testing Technology Co.,Ltd. Address before: 214121 No. 1600 West high wave road, Jiangsu, Wuxi Patentee before: WUXI INSTITUTE OF TECHNOLOGY |
|
| TR01 | Transfer of patent right |