CN213688689U - Non-contact infrared temperature measuring equipment - Google Patents
Non-contact infrared temperature measuring equipment Download PDFInfo
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- CN213688689U CN213688689U CN202022059121.7U CN202022059121U CN213688689U CN 213688689 U CN213688689 U CN 213688689U CN 202022059121 U CN202022059121 U CN 202022059121U CN 213688689 U CN213688689 U CN 213688689U
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Abstract
The utility model belongs to the technical field of infrared measurement, and particularly provides a non-contact infrared temperature measurement device, which comprises a camera, an infrared thermopile temperature measurement sensor, a Fresnel lens, a main control module, a touch screen and a power module for supplying power; the output end of the camera is connected with the main control module and is used for acquiring a portrait and estimating the distance between a person and the temperature measuring sensor; the photosensitive surface of the infrared thermopile temperature measuring sensor is arranged at the focal plane of the Fresnel lens and is used for acquiring the forehead temperature of a human body; the main control module is used for acquiring portrait information of the camera and temperature information of the infrared thermopile temperature measuring sensor and outputting the portrait information and the temperature information to the touch screen and the cloud platform. When the human body approaches the camera to reach a proper temperature measurement range, the temperature measurement program automatically runs and displays the portrait and the body temperature, so that real household non-contact temperature measurement is realized; and has the functions of timing audio reminding temperature measurement, temperature measurement time distance reminding, body temperature abnormity reminding and the like, and is simple and convenient to use.
Description
Technical Field
The utility model belongs to the technical field of infrared measurement, concretely relates to infrared temperature measurement equipment of non-contact.
Background
During epidemic outbreak, the old at one's own place needs a temperature measuring tool which is easy to use and can automatically upload data. The existing household electronic body temperature measuring tool mainly comprises a forehead temperature gun and an ear temperature gun, wherein the ear temperature gun is required to be held by hands during measurement and is also required to be contacted with the ear skin of a person to be measured; although the forehead temperature gun does not need to directly contact the skin of a tested person, the forehead temperature gun needs to be held by a hand to carry out measurement; therefore, the two household electronic temperature measuring tools cannot meet the requirement of automatic temperature measurement in the market of the old, and under the condition of insufficient disinfection, the risk of cross infection exists. In addition, the existing household electronic temperature measuring tools do not have the function of uploading temperature values to a cloud platform, and effective data cannot be provided for temperature measurement monitoring of communities or nationwide areas.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide a simple structure, convenient to use's infrared temperature measurement equipment of non-contact solves the unable self-completion temperature measurement's of old person problem.
Therefore, the utility model provides an infrared temperature measurement equipment of non-contact, include: the device comprises a camera, an infrared thermopile temperature measuring sensor, a Fresnel lens, a main control module, a touch screen and a power supply module for supplying power;
the output end of the camera is connected with the main control module and is used for acquiring a portrait and estimating the distance between a person and the temperature measuring sensor;
the photosensitive surface of the infrared thermopile temperature measuring sensor is arranged at the focal plane of the Fresnel lens and is used for acquiring the forehead temperature of a human body;
the main control module is used for acquiring portrait information of the camera and temperature information of the infrared thermopile temperature measuring sensor and outputting the portrait information and the temperature information to the touch screen and the cloud platform.
Preferably, the fresnel lens is disposed above a housing of the camera.
Preferably, the shell of the camera is made of ABS material.
Preferably, the device further comprises a cloud platform, and the master control module and the cloud platform perform wireless data transmission in a WiFi or mobile data communication mode.
Preferably, the main control module adopts an ESP32 chip with a WiFi function.
Preferably, the main control module is internally provided with a wireless module, and the wireless module is LTE WH-G405 tf.
Preferably, the camera adopts a camera module with an OV5647 photosensitive chip, and the camera module is electrically connected with the main control module.
Preferably, the model of the infrared thermopile temperature measurement sensor is Melexis MLX 90614.
Preferably, I of the infrared thermopile temperature measuring sensor2And the C/PWM output interface is connected with the serial port of the main control module.
Preferably, the processor model of the main control module is xtensia 32-bit LX 6.
The utility model has the advantages that: the utility model provides an infrared temperature measurement equipment of this kind of non-contact, include: the device comprises a camera, an infrared thermopile temperature measuring sensor, a Fresnel lens, a main control module, a touch screen and a power supply module for supplying power; the output end of the camera is connected with the main control module and is used for acquiring a portrait and estimating the distance between a person and the temperature measuring sensor; the photosensitive surface of the infrared thermopile temperature measuring sensor is arranged at the focal plane of the Fresnel lens and is used for acquiring the forehead temperature of a human body; the main control module is used for acquiring portrait information of the camera and temperature information of the infrared thermopile temperature measuring sensor, and outputting the portrait information and the temperature information to the touch screen and the cloud platform for display respectively. When the human body approaches the camera to reach a proper temperature measurement range, the temperature measurement program automatically runs and displays the portrait and the body temperature, so that real household non-contact temperature measurement is realized; the device has the functions of timing audio reminding temperature measurement, temperature measurement time distance reminding, body temperature abnormity reminding and the like, and is simple and convenient to use; the cloud platform has a personal information registration menu, a networking configuration menu, temperature measurement data and personal information uploading function, and is convenient for big data management and personal body temperature tracing.
The present invention will be described in further detail with reference to the accompanying drawings.
Drawings
FIG. 1 is a block diagram of the overall scheme of the non-contact infrared temperature measuring device of the present invention;
FIG. 2 is a structural diagram of the infrared temperature measuring device of the non-contact infrared temperature measuring device of the present invention;
fig. 3 is a flow chart of the non-contact infrared temperature measuring device of the present invention.
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 efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature; in the description of the present invention, "a plurality" means two or more unless otherwise specified.
The embodiment of the utility model provides an infrared temperature measurement equipment of non-contact, as shown in fig. 1 to fig. 3, include: the device comprises a camera, an infrared thermopile temperature measuring sensor, a Fresnel lens, a main control module, a touch screen and a power supply module for supplying power; the output end of the camera is connected with the main control module and is used for acquiring a portrait and estimating the distance between a person and the temperature measuring sensor; the photosensitive surface of the infrared thermopile temperature measuring sensor is arranged at the focal plane of the Fresnel lens and is used for acquiring the forehead temperature of a human body; the main control module is used for acquiring portrait information of the camera and temperature information of the infrared thermopile temperature measuring sensor and outputting the portrait information and the temperature information to the touch screen and the cloud platform.
The input end of the main control module is connected with the camera and the temperature sensor, the output end of the main control module is connected with the touch screen and the cloud platform, the main control module is always in an operation state after being electrified, and whether people appear in front of the equipment is judged according to images collected by the camera; when the algorithm identifies a complete face, a head portrait can be displayed, and the function of a mirror is shown; and if the distance between the forehead and the sensor is 30-50 cm, starting a temperature measurement and identity recognition program, uploading the temperature measurement and identity recognition program to a cloud platform, and outputting a response image and temperature information on a screen. The cloud platform mainly functions to store data and backup. In addition, the main control module can also remind temperature measurement by voice at regular time every day. And judging the image information acquired by the camera by a face recognition algorithm in the main control module, if the judgment result is that the person is a real person, acquiring the outline of the head image of the person, and judging whether the forehead is in the optimal distance range acquired by the infrared hot spot pile temperature measurement sensor according to the proportion and the relative position of the forehead in the whole picture.
Specifically, the output end of the camera is connected with the main control module and used for acquiring a portrait and estimating the distance between a person and the temperature measuring sensor. The output end of the infrared thermopile temperature measuring sensor is connected with the main control module, and the photosensitive surface of the infrared thermopile temperature measuring sensor is installed on the focal plane of the Fresnel lens and used for measuring the forehead temperature of a human body. And the Fresnel lens is used for prolonging the temperature measuring distance. The input end of the main control module is connected with the camera and the temperature sensor, and the output end of the main control module is connected with the touch screen and the cloud end and used for acquiring portrait information detected by the camera, receiving electric signals of the temperature sensor, quantizing the electric signals into temperature values and outputting the temperature values to the touch screen to display a portrait and a forehead temperature in real time. The touch screen is used for man-machine interaction, people can configure temperature measurement equipment networking, working states and the like through the touch screen, and the touch screen can display head portraits and measured human body temperature value information pushing. The output end of the power supply module is respectively connected with the camera and the main control module to supply power to the camera and the main control module.
After the electric heating equipment is started, human face characteristics are automatically recognized and whether the human face is in a proper temperature measuring distance is judged, and the forehead temperature of a human body is automatically measured under the condition that the; and if the human face is not identified, the picture is played in a black screen state or in an electronic picture frame state.
The light-sensitive surface of the infrared thermopile temperature sensor is positioned on the focal plane of the Fresnel lens, and the optimal temperature measuring distance between a human body and the infrared thermopile temperature sensor is prolonged from 5-10cm to 30-50 cm.
Preferably, the camera adopts a camera module with an OV5647 photosensitive chip, and is mainly used for commercial-grade consumer products. The infrared thermopile temperature measurement sensor adopts Melexis MLX90614, the MLX90614 is a simple and easy-to-use temperature measurement sensor, integrates an infrared thermopile and a signal processing circuit, is calibrated when leaving a factory, and adopts digital I2℃/PWM output, the temperature range of a measured object is-70-380 ℃, the forehead temperature measurement distance is 5-10cm, and the precision is +/-0.2 ℃.
Preferably, the Fresnel lens is used for prolonging the temperature measuring distance. The main control module is used for acquiring portrait information detected by the camera, receiving electric signals of the temperature sensor, quantizing the electric signals into temperature values, outputting the temperature values to the touch screen to display a portrait and a forehead temperature in real time, and uploading identity information and temperature values to the cloud platform in a WiFi or mobile data communication mode. The main control module adopts an ESP32 chip with WiFi function, ESP32 is a low-power consumption chip, the processor is an Xtensa 32-bit LX6 single/double-core processor, a 448KB built-in ROM and a 520KB built-in SRAM, 34 GPIO ports,12-bit SAR ADC, up to 18 channels, 2 8-bit D/A converters, 10 touch sensors, 4 SPI, 2I 2S, 2I2C, 3 UARTs, an Ethernet MAC interface with a special DMA (direct memory access), IEEE 1588, CAN 2.0 and LED PWM (pulse-width modulation), 16 channels as many as 16, and a motor PWM (pulse-width modulation) supports Bluetooth and wifi protocols.
In the preferable scheme, an LTE WH-G405tf wireless module is adopted as a mobile data communication mode, and the WH-G405tf is a wireless terminal product suitable for a 4G network, supports high-speed access of all mobile networks, supports AT instruction set, SMS function, data transmission function and USB communication, and supports Windows, Linux and Android platforms.
The preferred scheme, the touch screen for human-computer interaction, people can dispose temperature measurement equipment networking, operating condition etc. through the touch screen, and observe and control the screen and can show people's head portrait and the forehead temperature value that surveys, high in the clouds message propelling movement.
The output end of the power supply module is respectively connected with the camera and the main control module to supply power to the camera and the main control module; in some preferred embodiments, an external power supply can be used for supplying power to the camera and the main control module, so that the functions of timing temperature measurement reminding, real-time detection of human images, judgment of temperature measurement requirements and the like are guaranteed to operate.
In order to better understand the embodiment, a working flow of the non-contact infrared temperature measurement device in the embodiment is described below, as shown in fig. 3, specifically:
s1, after power-on, judging whether an image acquired by a camera is a real person by a master control module face recognition technology; if the person is determined to be a real person, the process proceeds to S2, otherwise, the process proceeds to S3.
S2, the master control module acquires the head portrait outline and judges whether the head portrait outline is in a proper temperature measurement distance according to the occupation ratio and the relative position of the head portrait outline in the whole picture; if so, go to S4, otherwise, stay at S2.
And S3, the equipment is in a black screen state, or the electronic photo frame plays pictures.
And S4, starting temperature measurement and identity recognition, uploading to a cloud platform, and displaying the temperature value on a picture.
The utility model has the advantages that: the utility model provides an infrared temperature measurement equipment of this kind of non-contact, include: the device comprises a camera, an infrared thermopile temperature measuring sensor, a Fresnel lens, a main control module, a touch screen and a power supply module for supplying power; the output end of the camera is connected with the main control module and is used for acquiring a portrait and estimating the distance between a person and the temperature measuring sensor; the photosensitive surface of the infrared thermopile temperature measuring sensor is arranged at the focal plane of the Fresnel lens and is used for acquiring the forehead temperature of a human body; the main control module is used for acquiring portrait information of the camera and temperature information of the infrared thermopile temperature measuring sensor and outputting the portrait information and the temperature information to the touch screen and the cloud platform. When the human body approaches the camera to reach a proper temperature measurement range, the temperature measurement program automatically runs and displays the portrait and the body temperature, so that real household non-contact temperature measurement is realized; the device has the functions of timing audio reminding temperature measurement, temperature measurement time distance reminding, body temperature abnormity reminding and the like, and is simple and convenient to use; the cloud platform has a personal information registration menu, a networking configuration menu, temperature measurement data and personal information uploading function, and is convenient for big data management and personal body temperature tracing.
The above examples are merely illustrative of the present invention and do not limit the scope of the present invention, and all designs identical or similar to the present invention are within the scope of the present invention.
Claims (10)
1. The utility model provides an infrared temperature measurement equipment of non-contact which characterized in that: the infrared thermopile temperature measurement device comprises a camera, an infrared thermopile temperature measurement sensor, a Fresnel lens, a master control module, a touch screen and a power supply module for supplying power;
the output end of the camera is connected with the main control module and is used for acquiring a portrait and estimating the distance between a person and the temperature measuring sensor;
the photosensitive surface of the infrared thermopile temperature measuring sensor is arranged at the focal plane of the Fresnel lens and is used for acquiring the forehead temperature of a human body;
the main control module is used for acquiring portrait information of the camera and temperature information of the infrared thermopile temperature measuring sensor and outputting the portrait information and the temperature information to the touch screen.
2. The non-contact infrared temperature measuring device of claim 1, wherein: the Fresnel lens is arranged above the shell of the camera.
3. The non-contact infrared temperature measuring device according to claim 2, characterized in that: the shell of the camera is made of ABS materials.
4. The non-contact infrared temperature measuring device of claim 1, wherein: the equipment further comprises a cloud platform, and wireless data transmission is carried out between the main control module and the cloud platform in a WiFi or mobile data communication mode.
5. The non-contact infrared temperature measuring device of claim 4, wherein: the master control module adopts an ESP32 chip with a WiFi function.
6. The non-contact infrared temperature measuring device of claim 4, wherein: the main control module is internally provided with a wireless module, and the model of the wireless module is LTE WH-G405 tf.
7. The non-contact infrared temperature measuring device of claim 1, wherein: the camera adopts the module of making a video recording that has OV5647 sensitization chip, the module of making a video recording with the host system electricity is connected.
8. The non-contact infrared temperature measuring device of claim 1, wherein: the model of the infrared thermopile temperature measuring sensor is Melexis MLX 90614.
9. The non-contact infrared temperature measuring device of claim 8, wherein: i of the infrared thermopile temperature measuring sensor2And the C/PWM output interface is connected with the serial port of the main control module.
10. The non-contact infrared temperature measuring device of claim 1, wherein: the processor model of the main control module is Xtensa 32-bit LX 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022059121.7U CN213688689U (en) | 2020-09-18 | 2020-09-18 | Non-contact infrared temperature measuring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022059121.7U CN213688689U (en) | 2020-09-18 | 2020-09-18 | Non-contact infrared temperature measuring equipment |
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| Publication Number | Publication Date |
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| CN213688689U true CN213688689U (en) | 2021-07-13 |
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| CN202022059121.7U Active CN213688689U (en) | 2020-09-18 | 2020-09-18 | Non-contact infrared temperature measuring equipment |
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| CN (1) | CN213688689U (en) |
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