CN212674306U - Infrared thermal imaging temperature measurement system with automatic environmental temperature correction function - Google Patents
Infrared thermal imaging temperature measurement system with automatic environmental temperature correction function Download PDFInfo
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- CN212674306U CN212674306U CN202020807631.5U CN202020807631U CN212674306U CN 212674306 U CN212674306 U CN 212674306U CN 202020807631 U CN202020807631 U CN 202020807631U CN 212674306 U CN212674306 U CN 212674306U
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Abstract
The utility model discloses an infrared thermal imaging temperature measurement system with automatic environmental temperature correction, which comprises a temperature reference object, a temperature sensor, a temperature controller, a temperature sensor, a; the temperature measuring module is used for real-time surface temperature reference object temperature data; the communication module is used for transmitting the temperature data of the temperature reference object to the infrared thermal imaging temperature measuring instrument in real time; the temperature measuring module is electrically connected with the communication module. The utility model discloses temperature measurement module obtains the temperature that the temperature reference object is in natural environment in real time, realizes through communication module with infrared thermal imaging thermoscope dynamic data transmission, realizes the quick correction to infrared thermal imaging thermoscope, effectively improves infrared thermal imaging thermoscope's measurement accuracy; the utility model discloses need not to stabilize temperature reference object constant temperature through heating or refrigeration, power consumption is little, and is small, be convenient for install and carry.
Description
Technical Field
The utility model relates to a radiation temperature measurement technical field, in particular to infrared thermal imaging temperature measurement system of ambient temperature automatic correction.
Background
Recently, the pneumonia epidemic situation infected by the novel coronavirus has drawn everyone, and the symptoms of patients infected by the novel coronavirus mainly show symptoms of fever, cough, dyspnea, hypodynamia and the like, so that the measurement of body temperature becomes a necessary means for preventing and controlling the epidemic situation. The human body infrared temperature measuring equipment is widely used in various traffic gateways, hospitals, residential districts, enterprises and public institutions with dense people flow due to the characteristics of non-contact, high efficiency and convenient use. The commonly used human body infrared temperature measuring equipment mainly comprises an infrared thermal imaging clinical thermometer screening instrument and an infrared thermometer. The infrared thermal imaging body temperature screening instrument can be used for large-area monitoring in crowded public places, automatically tracking and alarming high-temperature areas, and can be matched with visible light videos to quickly find out and track people with high body temperature.
With the great application of the infrared thermal imaging body temperature screening instrument in airports, stations and other places, how to carry out on-site correction on the infrared thermal imaging body temperature screening instrument is very important. The blackbody radiation source is used as a universal infrared target and is mainly used for performance test, correction and calibration of an infrared thermal imaging system, and the stability precision and stability of the blackbody radiation source directly influence the final performance of a product. The traditional blackbody radiation source is fixed to be constant in temperature through heating or refrigeration and serves as a reference source for high-precision temperature measurement, the traditional blackbody radiation source is greatly influenced by the environment outdoors, particularly in extreme weather such as wind and rain, when the temperature of the blackbody radiation source changes, the traditional blackbody radiation source cannot communicate with an infrared thermal imaging temperature measuring instrument in real time to obtain the real-time temperature of the traditional blackbody radiation source, and cross errors occur, so that the precision of the infrared thermal imaging temperature measuring instrument is seriously influenced. The traditional blackbody radiation source needs heating or refrigeration to keep constant temperature, so that the power consumption and the volume are large, and the use occasion is limited.
Disclosure of Invention
The utility model aims at overcoming prior art's not enough, provide an ambient temperature automatic correction's infrared thermal imaging temperature measurement system, this system can be in real time with infrared thermal imaging thermoscope dynamic transmission data, need not the temperature through heating or refrigeration stabilization temperature reference object, and power consumption is little, and concrete technical scheme is as follows:
an infrared thermal imaging temperature measurement system with automatic environmental temperature correction function comprises:
the temperature reference object is fixed in a detected scene and is positioned in the same data acquisition plane with the detected object, the temperature changes along with the ambient temperature, and the emissivity of the surface material of the temperature reference object or the coating coated on the surface material is close to 1;
the temperature measuring module is used for measuring the temperature data of the surface of the temperature reference object in real time;
the infrared thermal imaging thermometer is used for acquiring the thermal image temperature of a measured object and a temperature reference object, and the temperature reference object is arranged in the detection range of the infrared thermal imaging thermometer;
the communication module is used for transmitting the temperature data of the surface of the temperature reference object to the infrared thermal imaging thermometer in real time;
the power supply module supplies power to the communication module and the temperature measuring module;
the temperature measuring module is electrically connected with the communication module.
Furthermore, the temperature measurement module comprises a temperature acquisition module and an operation processing module, the temperature acquisition module is used for acquiring an analog signal of the surface temperature of the temperature reference object in real time, and the operation processing module is used for converting the temperature analog signal into a temperature digital signal, analyzing, processing and outputting the temperature digital signal; the temperature acquisition module is electrically connected with the operation processing module.
Preferably, the communication module is at least one of a wired communication module, a wireless communication module or an optical communication module.
Preferably, the power supply module is at least one of an active power supply interface module, a rechargeable battery, a solar battery or a dry battery.
Preferably, the wireless communication module is at least one of a bluetooth module, a Wifi module, a Zigbee module, or an RFID module.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the temperature measuring module in the utility model obtains the temperature of the temperature reference object in the natural environment in real time, realizes the dynamic data transmission with the infrared thermal imaging thermometer through the communication module, realizes the quick correction of the infrared thermal imaging thermometer, and effectively improves the measuring precision of the infrared thermal imaging thermometer;
(2) the utility model discloses well temperature reference object exposes to the sun in natural environment, and its temperature changes along with ambient temperature, need not constant temperature system and through heating or refrigeration stable temperature reference object temperature, also need not to maintain constant temperature to the power supply of temperature reference object, and consequently entire system power consumption is little, adopts rechargeable battery or ordinary battery can accomplish the power supply, and is small, be convenient for install and carry.
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Fig. 1 is a schematic structural view of the present invention.
Detailed Description
The following detailed description and specific operation of the present invention are provided with reference to fig. 1, but the scope of the present invention is not limited to the following examples.
The utility model discloses an ambient temperature automatic correction's infrared thermal imaging temperature measurement system, as shown in fig. 1, including temperature reference object 1, temperature measurement module, infrared thermal imaging thermoscope 2, communication module and power module. The infrared thermal imaging thermometer 2 is used for acquiring the thermal image temperature of a measured object and a temperature reference object 1, the temperature reference object 1 is fixed in a measured scene, power supply is not needed, the temperature reference object is always positioned in the detection range of the infrared thermal imaging thermometer 2 and is positioned in the same data acquisition plane with the measured object, the surface temperature of the temperature reference object 1 is uniform, the emissivity of a surface material or a coating coated on the surface material is close to 1, the surface material is a sampling reference of the infrared thermal imaging thermometer 2 and is exposed in the measured scene, the temperature of the temperature reference object is not needed to be stabilized through heating or refrigeration, the surface temperature of the temperature reference object changes along with the ambient temperature, the temperature measurement module is used for measuring the real-time surface temperature data of the temperature reference object 1, the communication module is used for transmitting the temperature data of the surface of the temperature reference object and the infrared thermal imaging thermometer 2 in real time, the temperature measuring module is electrically connected with the communication module. It should be noted that the communication module can be integrated with the temperature measurement module, or can be disposed separately from the temperature measurement module; when the temperature measuring device is used specifically, the temperature measuring module measures the temperature data of the temperature reference object 1 in a scene in real time, and the communication module transmits the real-time surface temperature data of the temperature reference object 1 to the infrared thermal imaging temperature measuring instrument 2.
Furthermore, the temperature measurement module comprises a temperature acquisition module and an operation processing module, wherein the temperature acquisition module is used for acquiring a temperature analog signal of the surface of the temperature reference object in real time, and the operation processing module is used for converting the temperature analog signal into a temperature digital signal and carrying out analysis processing and output; the temperature acquisition module is connected with the operation processing module electricity, here, and the operation processing module can be integrated and form an element that can direct output temperature digital signal on the temperature acquisition module, also can separately establish with the temperature acquisition module, the utility model discloses do not restrict, as long as can accomplish temperature signal's collection analysis and output temperature digital signal's function can.
The utility model discloses in, the preferred red copper of material of temperature reference object 1 because red copper has good antioxidant power and higher heat conductivility for the temperature reference object has even temperature distribution and sexual valence relative altitude, also can coat the black body material such as dull black paint of one deck high emissivity coating on it, with the effective emissivity who improves the temperature reference object. Can set up one or more temperature measurement hole/groove 11 on the temperature reference object 1, in order to effectively improve the measurement accuracy of temperature reference object and reduce the error that the inhomogeneity arouses, can suitably set up 2-4 temperature measurement points, temperature measurement module puts into corresponding temperature measurement hole/groove 11 respectively and carries out the temperature measurement, the position that sets up of temperature measurement hole/groove can be according to the structure of temperature reference object and the shape concrete design of temperature measurement module, and the temperature measurement module also can directly adhere and realize the temperature measurement on temperature reference object 1 certainly, the utility model discloses do not specifically prescribe a limit to the fixed mode of temperature measurement module and temperature reference object.
The utility model provides a communication mode can adopt at least one in wired, wireless or the optical communication, and communication module is one in wired communication module, wireless communication module or the optical communication module at least promptly. Further, wireless communication module is at least one in bluetooth module, Wifi module, Zigbee module or the RFID module, the utility model discloses do not specifically limit.
The utility model provides a constant temperature need not be stabilized through heating or refrigeration to the temperature reference object, also need not to maintain constant temperature to the power supply of temperature reference object, therefore whole temperature measurement system low power dissipation, power consumption are little, and power module can adopt at least one of active power supply interface module, rechargeable battery, solar cell or dry battery, in view of the utility model discloses power consumption is little, need not the power continuous power supply, and preferred power module is rechargeable battery, but charge once continuous operation 5-8 days, and is small, portable and removal work use extensive occasion.
The utility model discloses a temperature measurement method specifically does: (1) the temperature reference object is fixed in a detected scene, is always positioned in the detection range of the infrared thermal imaging temperature measuring instrument and is positioned on the same data acquisition surface with the detected object, the temperature reference object is exposed in a natural environment, the temperature of the temperature reference object changes along with the ambient temperature, and the temperature measuring module measures the temperature data of the surface of the temperature reference object in real time and transmits the temperature data to the communication module; the temperature reference object can be made of red copper, and a layer of high-emissivity coating such as black body material without black paint can be coated on the surface of the temperature reference object; the temperature measurement module comprises a temperature acquisition module and an operation processing module, the temperature acquisition module is used for acquiring surface temperature analog signals of the temperature reference object in real time, and the operation processing module is used for converting the temperature analog signals into temperature digital signals, analyzing, processing and outputting the temperature digital signals; the temperature acquisition module is electrically connected with the operation processing module;
(2) the infrared thermal imaging temperature measuring instrument simultaneously collects infrared radiation energy signals of a measured object and a temperature reference object, converts the collected infrared radiation energy signals into digital signals, and then obtains the thermal image temperatures of the measured object and the temperature reference object through analysis and processing;
(3) the surface temperature of the temperature reference object is transmitted to the infrared thermal imaging temperature measuring instrument in real time through the communication module, the infrared thermal imaging temperature measuring instrument analyzes and compares the surface temperature of the temperature reference object with the thermal image temperature to obtain a deviation value, and the deviation value is used for correcting the thermal image temperature of the measured object to obtain the accurate temperature of the measured object.
The utility model discloses a temperature measurement module acquires the surface temperature of temperature reference object department in natural environment in real time, realize with infrared thermal imaging thermoscope dynamic data transmission through communication module, infrared thermal imaging thermoscope uses the surface temperature of temperature reference object as the sampling benchmark, calculate the surface temperature of temperature reference object and thermal imagery temperature's offset/rate, and realize the quick correction to infrared thermal imaging thermoscope with this, obtain the accurate temperature of measured object, infrared thermal imaging thermoscope's measurement accuracy has effectively been improved.
The above description is only exemplary of the present invention and should not be taken as limiting, and any modifications, equivalents, improvements, etc. made within the spirit and principles of the present invention should be included within the scope of the present invention.
Claims (5)
1. The utility model provides an infrared thermal imaging temperature measurement system of ambient temperature automatic correction which characterized in that includes:
the temperature reference object is fixed in a detected scene and is positioned in the same data acquisition plane with the detected object, the temperature changes along with the ambient temperature, and the emissivity of the surface material of the temperature reference object or the coating coated on the surface material is close to 1;
the temperature measuring module is used for measuring the temperature data of the surface of the temperature reference object in real time;
the infrared thermal imaging thermometer is used for acquiring the thermal image temperature of a measured object and a temperature reference object, and the temperature reference object is arranged in the detection range of the infrared thermal imaging thermometer;
the communication module is used for transmitting the temperature data of the surface of the temperature reference object to the infrared thermal imaging thermometer in real time;
the power supply module supplies power to the communication module and the temperature measuring module;
the temperature measuring module is electrically connected with the communication module.
2. The infrared thermal imaging temperature measurement system with the automatic environmental temperature correction function according to claim 1, wherein the temperature measurement module comprises a temperature acquisition module and an operation processing module, the temperature acquisition module is used for acquiring an analog signal of the surface temperature of the temperature reference object in real time, and the operation processing module is used for converting the temperature analog signal into a temperature digital signal, analyzing, processing and outputting the temperature digital signal; the temperature acquisition module is electrically connected with the operation processing module.
3. The infrared thermal imaging temperature measurement system according to claim 1, wherein the communication module is at least one of a wired communication module, a wireless communication module or an optical communication module.
4. The ambient temperature auto-correcting infrared thermographic temperature measurement system of claim 1, wherein said power module is at least one of an active power interface module, a rechargeable battery, a solar cell, or a dry cell.
5. The infrared thermal imaging temperature measurement system with automatic ambient temperature correction according to claim 3, wherein the wireless communication module is at least one of a Bluetooth module, a Wifi module, a Zigbee module or an RFID module.
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| CN202020807631.5U CN212674306U (en) | 2020-05-15 | 2020-05-15 | Infrared thermal imaging temperature measurement system with automatic environmental temperature correction function |
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| CN202020807631.5U CN212674306U (en) | 2020-05-15 | 2020-05-15 | Infrared thermal imaging temperature measurement system with automatic environmental temperature correction function |
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