CN104483341A - Test method of temperature sensing performance of intelligent carbon fiber plate - Google Patents
Test method of temperature sensing performance of intelligent carbon fiber plate Download PDFInfo
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- CN104483341A CN104483341A CN201410763065.1A CN201410763065A CN104483341A CN 104483341 A CN104483341 A CN 104483341A CN 201410763065 A CN201410763065 A CN 201410763065A CN 104483341 A CN104483341 A CN 104483341A
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Abstract
The invention discloses a test method of the temperature sensing performance of an intelligent carbon fiber plate. The test method comprises the following steps: (1) putting an intelligent carbon fiber plate into a water bath, adhering a temperature probe and a strain gauge to the surface of the intelligent carbon fiber plate, and sealing the temperature probe in the intelligent carbon fiber plate; and (2) performing heating and heat preservation on the intelligent carbon fiber plate by adopting a water bath process, heating water at a speed of 5 DEG C per level by paying attention to temperature values, maintaining for 15 minutes after reaching the temperature load of each level to ensure that the inner part of the intelligent carbon fiber plate reaches a required temperature value, respectively recording the temperature, reading numbers of the strain gauge and wavelengths of optical fibers and gratings after temperature maintenance ends, and then heating and maintaining the temperature step by step, and recording each datum. According to the test method disclosed by the invention, the intelligent carbon fiber plate is subjected to heating and heat preservation by adopting a water bath process, water is heated at a speed of 5 DEG C per level, and the reading numbers of the strain gauge and the wavelengths of the optical fibers and gratings at each temperature are recorded so as to ensure that the temperature sensing performance of the intelligent carbon fiber plate can be analyzed, the accuracy degree of tests can be improved, and further optimization and application of the intelligent carbon fiber plate can be facilitated.
Description
Technical field
The present invention relates to the method for testing of building board, be specifically related to a kind of method of testing of intelligent carbon fiber board temperature sensing performance.
Background technology
In recent years, along with the quickening of Urbanization in China, the version of urban architecture changes to the direction of high level, Super High and large span gradually.As can be seen here, the steel construction adapting to this form naturally occupies very important status in national economy.Existing people is improving CFRP plate, combine CFRP plate with fiber grating the CFRP sheet material developed and have intellectual monitoring performance, be called for short: intelligent carbon fiber board, but, method of testing for the temperature sensing performance of intelligent carbon fiber board is not perfect, there is no concrete test method, make those skilled in the art be difficult to pass judgment on the actual temp sensing capabilities of intelligent carbon fiber board, affect its further Optimal improvements and use.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of method of testing of intelligent carbon fiber board temperature sensing performance, this test method is simple to operate, economic and practical, can test the temperature sensing performance of intelligent carbon fiber board simultaneously.
Object of the present invention carrys out specific implementation by the following technical programs:
A method of testing for intelligent carbon fiber board temperature sensing performance, comprises the following steps:
1) intelligent carbon fiber board is put into water-bath, and at intelligent carbon fiber board surface mount temp probe and foil gauge, inner inclosure temp probe;
2) immersion method is adopted to heat up to intelligent carbon fiber board and be incubated, 5 DEG C every grade water is heated, note Temperature numerical, 15 minutes are maintained after reaching every grade of temperature load, ensure that intelligent carbon fiber board inside reaches temperature required value, after holding temperature, record temperature, foil gauge reading, optic fiber grating wavelength respectively, then heat step by step, hold temperature and record above-mentioned each data.
Further, before step 1), the bare fibre light of same batch of the fiber grating that reply is embedded with intelligent carbon fiber board samples and carries out grid temperature sensing performance test, in order to contrast with intelligent carbon fiber board temperature sensing coefficient.
The method of testing of a kind of intelligent carbon fiber board temperature sensing performance of the present invention, this method of testing adopts immersion method heat up to intelligent carbon fiber board and be incubated, by 5 DEG C every grade, water is heated, record foil gauge reading, optic fiber grating wavelength at each temperature, to analyze the temperature sensing performance of intelligent carbon fiber board, improve the accuracy of test, be convenient to the further optimization to intelligent carbon fiber board and application.
Embodiment
CFRP plate (Carbon Fiber Reinforced Polymer, be called for short: CFRP), Fiber Bragg Grating FBG (Optical Fiber Bragg Grating, be called for short: OFBG), intelligent carbon fiber board (be called for short: CFRP-OFBG plate) to be combined with fiber grating the CFRP sheet material with intellectual monitoring performance developed by CFRP plate.
For above-mentioned intelligent carbon fiber board, method of testing of the present invention is as follows:
The method of testing of a kind of intelligent carbon fiber board temperature sensing performance described in the embodiment of the present invention, comprises the following steps:
1) intelligent carbon fiber board is put into water-bath, and at intelligent carbon fiber board surface mount temp probe and foil gauge, inner inclosure temp probe;
2) immersion method is adopted to heat up to intelligent carbon fiber board and be incubated, 5 DEG C every grade water is heated, note Temperature numerical, 15 minutes are maintained after reaching every grade of temperature load, ensure that intelligent carbon fiber board inside reaches temperature required value, after holding temperature, record temperature, foil gauge reading, optic fiber grating wavelength respectively, then heat step by step, hold temperature and record above-mentioned each data.
Before step 1), the bare fibre light of same batch of the fiber grating that reply is embedded with intelligent carbon fiber board samples and carries out grid temperature sensing performance test, in order to contrast, to analyze the performance of intelligent carbon fiber board with intelligent carbon fiber board temperature sensing coefficient.
When test experiments, temperature sensing performance test uses GM8037 measuring optical fiber grating wavelength.In test, electronic digital display thermometer uses TM-902C digital display thermometer, and the monitoring sensitivity of this electronic thermometer is 0.1 DEG C, and scope is-50 DEG C-900 DEG C.
The method of testing of a kind of intelligent carbon fiber board temperature sensing performance of the present invention, this method of testing adopts immersion method heat up to intelligent carbon fiber board and be incubated, by 5 DEG C every grade, water is heated, record foil gauge reading, optic fiber grating wavelength at each temperature, to analyze the temperature sensing performance of intelligent carbon fiber board, improve the accuracy of test, be convenient to the further optimization to intelligent carbon fiber board and application.
Last it is noted that the foregoing is only the preferred embodiments of the present invention; be not limited to the present invention; for a person skilled in the art; it still can regulate the technical scheme described in foregoing embodiments; or equivalent replacement is carried out to wherein portion of techniques feature; within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (2)
1. a method of testing for intelligent carbon fiber board temperature sensing performance, is characterized in that comprising the following steps:
1) intelligent carbon fiber board is put into water-bath, and at intelligent carbon fiber board surface mount temp probe and foil gauge, inner inclosure temp probe;
2) immersion method is adopted to heat up to intelligent carbon fiber board and be incubated, 5 DEG C every grade water is heated, note Temperature numerical, 15 minutes are maintained after reaching every grade of temperature load, ensure that intelligent carbon fiber board inside reaches temperature required value, after holding temperature, record temperature, foil gauge reading, optic fiber grating wavelength respectively, then heat step by step, hold temperature and record above-mentioned each data.
2. the method for testing of a kind of intelligent carbon fiber board temperature sensing performance according to claim 1, it is characterized in that: before step 1), the bare fibre light of same batch of the fiber grating that reply is embedded with intelligent carbon fiber board samples and carries out grid temperature sensing performance test, in order to contrast with intelligent carbon fiber board temperature sensing coefficient.
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| CN201410763065.1A CN104483341A (en) | 2014-12-12 | 2014-12-12 | Test method of temperature sensing performance of intelligent carbon fiber plate |
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| CN201410763065.1A CN104483341A (en) | 2014-12-12 | 2014-12-12 | Test method of temperature sensing performance of intelligent carbon fiber plate |
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Application publication date: 20150401 |