A non-contact online temperature measurement method and system
A temperature measurement, non-contact technology, used in thermometers, measuring heat, measuring devices, etc., can solve problems such as the inability to achieve all-weather automatic detection, the inability to directly measure the internal temperature of the measured object, and the time-consuming manual data recording. The effect of reliable 24/7 automatic detection
Active Publication Date: 2018-10-02
NANJING UNIV OF SCI & TECH
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Problems solved by technology
A common feature of this type of temperature measurement problem is that the internal temperature of the measured object cannot be directly measured.
[0003] The traditional methods include thermocouple temperature measurement, infrared temperature measurement, spectral temperature measurement, etc. Some of these methods need to open holes for measurement, and some can only measure the surface temperature. They must directly contact the measured object, and manual recording of data is time-consuming and expensive Important data may be missed, and 24 / 7 automatic detection is not possible
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Embodiment 1
[0079] figure 1 It is a flow chart of the non-contact online temperature measurement method according to the present invention. combine figure 1 Specifically describe the implementation process of a non-contact online temperature measurement method in the embodiment of the present invention:
[0080] Step 1: Install the temperature calculation module developed based on the heat conduction differential equation established based on the heat transfer principle in the data processing unit.
[0081] Specifically, the temperature calculation module is installed on the electronic disk, and then the electronic disk is inserted into the slot in the data processing unit.
[0082] Step Step2: Connect the data processing unit with the temperature acquisition device and the host computer respectively.
[0083] Specifically, insert the cable plug of the temperature acquisition device into the interface of the data processing unit, and then insert the USB interface of the data processing...
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The invention discloses a non-contact online temperature measurement method and system. The steps of the method are as follows: the temperature solution module of the heat conduction differential equation established according to the heat transfer principle is set in the data processing unit; the data processing unit is respectively connected with the temperature acquisition device and the host computer; after the connection is completed, the data processing unit Receive the ambient temperature data around the measured object collected by the temperature acquisition device; the temperature calculation module in the data processing unit calculates the temperature change history of the measured object with time according to the sampled ambient temperature data around the measured object in real time; The upper computer stores, displays, analyzes and monitors the temperature of the measured object by receiving the temperature change history with time transmitted from the data processing unit. The invention collects the ambient temperature data around the measured object, and uses the temperature solving module based on the heat conduction differential equation to solve the temperature of the measured object in real time, and is suitable for temperature detection of the measured object that is inconvenient to directly measure its internal temperature.
Description
technical field [0001] The invention relates to the technical field of measurement and control, in particular to a non-contact online temperature measurement method and system. Background technique [0002] In the production and management process of machinery industry, chemical industry, national defense industry and other fields, it is often necessary to monitor the internal temperature field of processed products or stored and managed items in real time to eliminate potential safety hazards and promote safe production and safety management. Reduce unnecessary personal and economic losses. For example, monitor the real-time temperature in the acid, alkali, salt, oil and chemical dangerous goods storage tanks (towers, cylinders) to eliminate dangerous (point) sources; monitor the temperature of grain in the warehouse so that it will not germinate and deteriorate; monitor propellants, etc. The internal temperature change of the solid fuel prevents spontaneous combustion, et...
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IPC IPC(8): G01K1/02G01K1/024
CPCG01K1/024G01K1/028
Inventor 陆欣余永刚周彦煌陈劲操刘殿金刘东尧
Owner NANJING UNIV OF SCI & TECH