CN201637588U - Fire endurance test data acquisition system of building unit - Google Patents
Fire endurance test data acquisition system of building unit Download PDFInfo
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- CN201637588U CN201637588U CN2009202650189U CN200920265018U CN201637588U CN 201637588 U CN201637588 U CN 201637588U CN 2009202650189 U CN2009202650189 U CN 2009202650189U CN 200920265018 U CN200920265018 U CN 200920265018U CN 201637588 U CN201637588 U CN 201637588U
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Abstract
The utility model relates to the technical field of fire endurance tests of building units and provides a fire endurance test data acquisition system of a building unit; the fire endurance test data acquisition system comprises a temperature test sensor in a test furnace, a temperature test sensor on the back surface of a tested piece, a pressure test sensor in the furnace, a displacement measurement sensor, an environment temperature test sensor, a movable temperature measurement sensor, a thermal radiation flux measurement sensor, an intelligent instrument cluster, a monochrome display gauge, an interface converter and a computer; the computer is electrically connected with the interface converter, the data output ends of the intelligent instrument cluster and the monochrome display gauge are connected with the interface converter, and the temperature test sensor in the test furnace, the temperature test sensor on the back surface of a tested piece, the environment temperature test sensor, the pressure test sensor in the furnace and the displacement measurement sensor are electrically and respectively connected with the data input ends of the intelligent instrument cluster, the thermal radiation flux measurement sensor is electrically connected with the monochrome display gauge, and data processing special software is arranged in the computer; the fire endurance test data acquisition system of the building unit has the characteristics of stable data, accurate analysis result, low manufacturing cost and easy operation and the like, and all performance of the system are in accordance to the requirements of test technical standard to data acquisition.
Description
Technical field
The utility model relates to building element fire testing technical field.
Background technology
Fire testing is that the mode by the simulation natural fire detects a kind of test method of building element fire performance, comprises body of wall, ceiling, floor, beam, post, fire-proof door, fire resisting shutter, fire window, flame resistant glass, fire-resistant coating for steel structure, fire-proof sealing material, exhaust smoke valve, fire resisting damper etc. based on the building element of this test.By carrying out the fire endurance test, can correctly pass judgment on the fire performance of test specimen, thereby for architectural design and examination provide the data of directiveness, thereby improve the fire safety of buildings.
Fire endurance belongs to a kind of large-scale experiment, and process of the test is irreversible, so the importance of the process of the test data acquisition that just seems, record and the collection of accurately intactly carrying out test figure are the important leverages of carrying out the fire endurance test smoothly.
Traditional data acquisition system (DAS) adopts the integrated form design to carry out the collection of data more, and this design usually has the phenomenon with data tampering to the data multipath transmission time, and this influence to the accuracy of data monitoring result is huge.Integrated form design is bigger to the cost of system design in addition, and maintenance difficult, relatively is fit to the production of system in enormous quantities, and for short run, the exploitation of the data acquisition system (DAS) of research character is arranged, just be faced with the difficulty of design cost and later maintenance.
The utility model content
The purpose of this utility model provides a kind of building element fire endurance test data collection system, and it has advantages such as data transmission is accurate, easy to maintenance and multiple functional.
The utility model is achieved in that
A kind of building element fire endurance test data collection system is characterized in that: the intelligence instrument group that this data collector comprises temperature probe in 6～16 trial furnaces, 20～50 test specimen back side temperature probes, 1～5 furnace pressure survey sensor, 3～8 displacement measurement sensors, 1 ambient temperature measurement sensor, 1 removable sensor for measuring temperature, 1 thermal radiation flux survey sensor, be made up of a plurality of multi-channel intelligent instrument, 1 Dan Xianbiao, 1 interface convertor and computing machine; The data input pin of each multi-channel intelligent instrument is formed the data input pin of intelligence instrument group, and the data output end of each multi-channel intelligent instrument is formed the data output end of intelligence instrument group; The com mouth of computing machine or USB interface are electrically connected with the output terminal of interface convertor, the input end of interface convertor is electrically connected with the data output end of intelligence instrument group and Dan Xianbiao, temperature probe, each test specimen back side temperature probe, ambient temperature measurement sensor, each furnace pressure survey sensor, each displacement measurement sensor are electrically connected with the data input pin of intelligence instrument group respectively in each stove, the thermal radiation flux survey sensor is electrically connected with the data input pin of Dan Xianbiao, and the data processing special software is installed in the computing machine.
As optimization, described pressure transducer is the differential pressure type pressure unit, the current signal of output 4～20mA; The current signal of described displacement measurement sensor output 4～20mA or the voltage signal of 0～10V; Described interface convertor is serial interface circuit or usb circuit.
During application, temperature probe, each furnace pressure survey sensor all are fixed on the correct position of trial furnace in each stove by the test standard requirement; Each displacement measurement sensor, ambient temperature measurement sensor, removable sensor for measuring temperature, thermal radiation flux survey sensor place as required apart from test specimen and carry on the back fiery identity distance from 1 meter～3 meters position; Test specimen back side temperature probe requires to place the back of the body fire face of test specimen according to relevant criterion.
With the energising of each multi-channel intelligent instrument and computing machine and make the trial furnace fuel combustion, along with test is carried out, each test specimen back side temperature probe, the ambient temperature measurement sensor, each furnace pressure survey sensor, each displacement measurement sensor is sent to the intelligence instrument group with voltage or the current signal that collects, the thermal radiation flux survey sensor is sent to Dan Xianbiao with voltage or the current signal that collects, is digital signal by intelligence instrument group and Dan Xianbiao with analog signal conversion, be sent to computing machine after by interface convertor digital signal corresponding being changed again, by the data processing special software in the computing machine corresponding data handled again.
The exploitation of notebook data acquisition system, fully excavate modular potentiality, parameters such as all temps, pressure, displacement, thermal radiation flux are carried out system's data acquisition all sidedly, solved the variety of issue that the fire endurance test data collection is faced effectively, make that total design cost is cheap, and safeguard easily, easy to use, help promoting.The utlity model has data stabilization, analysis result accurate, cheap and and easy characteristics such as operation, test condition Pass Test technical standard is to the requirement of data collection aspect.
Description of drawings
Fig. 1 is that intelligence instrument group and Dan Xianbiao are by interface convertor and computing machine connection diagram;
Fig. 2 is each sensor and intelligence instrument group connection diagram;
Trial furnace inner sensor distribution schematic diagram when Fig. 3 is application;
Trial furnace outer sensor distribution schematic diagram when Fig. 4 is application.
Wherein,
1---computing machine
2---interface convertor
3～12---6 passage intelligence instruments
13---Dan Xianbiao
14～22---temperature probe in the stove
23～25---the furnace pressure survey sensor
26～31---displacement measurement sensor
32～71---test specimen back side temperature probe
72---the ambient temperature measurement sensor
73---removable sensor for measuring temperature
74---the thermal radiation flux survey sensor
Embodiment
With reference to figure 1 and Fig. 2, Fig. 1 and Fig. 2 are a possible embodiments synoptic diagram of the present utility model, propose a kind of building element fire endurance test data collection system, this data collector comprises temperature probe (14～22) in 9 trial furnaces, 40 test specimen back side temperature probes (32～71), 3 furnace pressure survey sensors (23～25), 6 displacement measurement sensors (26～31), 1 ambient temperature measurement sensor 72,1 removable sensor for measuring temperature 73,1 thermal radiation flux survey sensor 74,10 6 passage intelligence instruments (3～12) are formed the intelligence instrument group, 1 Dan Xianbiao 13,1 interface conversion 2 device and computing machine 1; The data input pin of 10 6 passage intelligence instruments (3～12) is formed the data input pin of intelligence instrument group, and the data output end of 10 6 passage intelligence instruments (3～12) is formed the data output end of intelligence instrument group; The com mouth of computing machine 1 or USB interface are electrically connected with the output terminal of interface convertor 2, the data output end of Dan Xianbiao 13 and intelligence instrument group is electrically connected with the input end of interface convertor, temperature probe (14～22), test specimen back side temperature probe (32～71), ambient temperature measurement sensor 72, furnace pressure survey sensor (23～25), displacement measurement sensor (26～31) are electrically connected with the data input pin of intelligence instrument group respectively in the stove, thermal radiation flux survey sensor 74 is electrically connected with Dan Xianbiao 13, and the data processing special software is installed in the computing machine.
In conjunction with reference to figure 3 and Fig. 4, temperature probe (14～22) in the stove, furnace pressure survey sensor (23～25) in use all is fixed on the correct position of trial furnace 80 by the relevant criterion requirement, test specimen back side temperature probe (32～71) is selected the back of the body fire face position of corresponding fixed amount at test specimen 90, displacement measurement sensor (26～31) for use by the test standard requirement, ambient temperature measurement sensor (72), removable sensor for measuring temperature (73), thermal radiation flux survey sensor (74) places the position apart from 1 meter～3 meters in the fiery face of test specimen 90 back ofs the body as required.
During application, various sensors (14～74) are sent to intelligence instrument group and Dan Xianbiao 13 respectively with voltage or the current signal that collects, be digital signal by intelligence instrument group and Dan Xianbiao 13 with analog signal conversion again, by interface convertor 2 digital signal corresponding conversion is sent to computing machine 1 again, by the data processing special software in the computing machine 1 corresponding data is handled again.
The software of computing machine can be provided with the time interval of data acquiring and recording, and this does not wait from 1s～60s at interval, and monitor data 1s refreshes 1 time, realizes the enforcement monitoring to test figure, several years or more historical data can be kept in the hard disc of computer simultaneously.
Claims (4)
1. building element fire endurance test data collection system is characterized in that: the intelligence instrument group that this data collector comprises temperature probe in 6～16 trial furnaces, 20～50 test specimen back side temperature probes, 1～5 furnace pressure survey sensor, 3～8 displacement measurement sensors, 1 ambient temperature measurement sensor, 1 removable sensor for measuring temperature, 1 thermal radiation flux survey sensor, be made up of a plurality of multi-channel intelligent instrument, 1 Dan Xianbiao, 1 interface convertor and computing machine; The data input pin of each multi-channel intelligent instrument is formed the data input pin of intelligence instrument group, and the data output end of each multi-channel intelligent instrument is formed the data output end of intelligence instrument group; The com mouth of computing machine or USB interface are electrically connected with the output terminal of interface convertor, the input end of interface convertor is electrically connected with the data output end of intelligence instrument group and Dan Xianbiao, temperature probe, each test specimen back side temperature probe, ambient temperature measurement sensor, each furnace pressure survey sensor, each displacement measurement sensor are electrically connected with the data input pin of intelligence instrument group respectively in each stove, the thermal radiation flux survey sensor is electrically connected with the data input pin of Dan Xianbiao, and the data processing special software is installed in the computing machine.
2. building element fire endurance test data collection according to claim 1 system, it is characterized in that: described pressure transducer is the differential pressure type pressure unit, the current signal of output 4～20mA.
3. fire endurance test data collection device according to claim 1 is characterized in that: the current signal of described displacement measurement sensor output 4～20mA or the voltage signal of 0～10V.
4. building element fire endurance test data collection according to claim 1 system, it is characterized in that: described interface convertor (2) is serial interface circuit or usb circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202650189U CN201637588U (en) | 2009-12-11 | 2009-12-11 | Fire endurance test data acquisition system of building unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202650189U CN201637588U (en) | 2009-12-11 | 2009-12-11 | Fire endurance test data acquisition system of building unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201637588U true CN201637588U (en) | 2010-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009202650189U Expired - Fee Related CN201637588U (en) | 2009-12-11 | 2009-12-11 | Fire endurance test data acquisition system of building unit |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102654469A (en) * | 2012-05-10 | 2012-09-05 | 沈阳仪表科学研究院 | Device for fire resistance tests of pressure elements |
| CN102853667A (en) * | 2012-08-31 | 2013-01-02 | 广州市建筑材料工业研究所有限公司 | Method and device for controlling pressure in fire-resistance rating test furnace |
| CN103345181A (en) * | 2013-06-24 | 2013-10-09 | 中航百慕新材料技术工程股份有限公司 | Device for testing fire-resistance limit of middle-sized I-shaped steel girder |
| CN104181187A (en) * | 2014-07-23 | 2014-12-03 | 中国人民武装警察部队学院 | Tester and test method for fire resistance of expansion fireproof paint |
| CN107390521A (en) * | 2017-06-27 | 2017-11-24 | 西安建筑科技大学 | The method and test platform that a kind of optimal measuring point of air-conditioning system indoor temperature is asked for |
-
2009
- 2009-12-11 CN CN2009202650189U patent/CN201637588U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102654469A (en) * | 2012-05-10 | 2012-09-05 | 沈阳仪表科学研究院 | Device for fire resistance tests of pressure elements |
| CN102853667A (en) * | 2012-08-31 | 2013-01-02 | 广州市建筑材料工业研究所有限公司 | Method and device for controlling pressure in fire-resistance rating test furnace |
| CN102853667B (en) * | 2012-08-31 | 2014-09-03 | 广州市建筑材料工业研究所有限公司 | Method and device for controlling pressure in fire-resistance rating test furnace |
| CN103345181A (en) * | 2013-06-24 | 2013-10-09 | 中航百慕新材料技术工程股份有限公司 | Device for testing fire-resistance limit of middle-sized I-shaped steel girder |
| CN103345181B (en) * | 2013-06-24 | 2015-07-15 | 中航百慕新材料技术工程股份有限公司 | Device for testing fire-resistance limit of middle-sized I-shaped steel girder |
| CN104181187A (en) * | 2014-07-23 | 2014-12-03 | 中国人民武装警察部队学院 | Tester and test method for fire resistance of expansion fireproof paint |
| CN107390521A (en) * | 2017-06-27 | 2017-11-24 | 西安建筑科技大学 | The method and test platform that a kind of optimal measuring point of air-conditioning system indoor temperature is asked for |
| CN107390521B (en) * | 2017-06-27 | 2020-12-25 | 西安建筑科技大学 | Method for calculating optimal indoor temperature measuring point of air conditioning system and test platform |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101117 Termination date: 20131211 |