CN114354834A - Automatic calibration device for building material incombustibility test furnace - Google Patents
Automatic calibration device for building material incombustibility test furnace Download PDFInfo
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- CN114354834A CN114354834A CN202210038237.3A CN202210038237A CN114354834A CN 114354834 A CN114354834 A CN 114354834A CN 202210038237 A CN202210038237 A CN 202210038237A CN 114354834 A CN114354834 A CN 114354834A
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- 238000012360 testing method Methods 0.000 title claims abstract description 39
- 239000004566 building material Substances 0.000 title claims abstract description 33
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
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Abstract
The invention discloses an automatic calibration device of a building material incombustibility test furnace, which comprises a case, an operation panel arranged on the front surface of the case, a host arranged in the case and connected with the operation panel, a PLC connected with the host and a linear driver controlled by the PLC, wherein the linear driver is vertically arranged in the case, and a notch opposite to the linear driver is arranged on the side surface of the case; still include the sensor bracket component, the sensor bracket component includes horizontal support, pole setting, perpendicular sleeve pipe and three temperature sensor who is connected with the sharp driver. The invention can automatically position the temperature sensor in the height direction of the incombustibility test furnace, can automatically measure the temperature of the furnace wall and the temperature in the furnace of the test furnace, and can calibrate parameters such as temperature indication error of the test furnace, temperature balance in the furnace and the like.
Description
Technical Field
The invention relates to the technical field of metering equipment, in particular to a calibration device of a non-combustibility test furnace.
Background
Along with the rapid development of economy, the urbanization rate is improved, and the urban construction is developed rapidly. High-rise buildings, even super high-rise buildings, large comprehensive buildings, landmark buildings, underground rail transit, supporting buildings and the like are more and more, and the scale is larger and larger. The buildings generally have the characteristics of large personnel density and/or large personnel mobility, and have the characteristics of large fire load, difficult natural smoke discharge, high evacuation and rescue difficulty and the like in the aspect of fire fighting, so that the fire fighting work is increasingly severe. According to the fire-fighting law, the fire-fighting working principle of 'prevention is the main and fire-fighting is combined', a large amount of non-combustible building materials are required to be used in the building engineering, and fire disasters are prevented from occurring from the source. Therefore, the fire-retardant performance of building materials is directly related to the fire prevention ability and the degree of life and property loss of the country and people in case of fire.
The building material incombustibility test furnace is a key device for judging the combustion performance grading of building materials, and is widely applied to building material inspection and detection and performance tests. However, in the prior art, a calibration device capable of calibrating the performance of the incombustibility test furnace does not exist, so that the transmission of the furnace value of the incombustibility test furnace of the building material cannot be normally carried out, uncertain factors are brought to the fireproof performance detection result of the building material, the flame retardant performance of the building material can be misjudged, and hidden dangers are caused to fireproof safety. In order to ensure the accuracy and reliability of the test result of the building material non-combustibility test furnace, a related metering standard device needs to be developed to calibrate the test result, and the quantity value tracing is realized.
Disclosure of Invention
In view of the above, the present invention provides an automatic calibration device for a building material incombustibility test furnace, so as to solve the technical problem of calibrating the temperature value of the building material incombustibility test furnace.
The automatic calibration device of the building material non-combustibility test furnace comprises a case, an operation panel arranged on the front face of the case, a host arranged in the case and connected with the operation panel, a PLC connected with the host and a linear driver controlled by the PLC, wherein the linear driver is vertically arranged in the case, and a notch opposite to the linear driver is arranged on the side face of the case;
building material incombustibility test furnace automatic calibration device still includes sensor bracket component, sensor bracket component includes the horizontal support of being connected with linear actuator, sets up in the pole setting of horizontal support tip, overlaps in the pole setting and rather than vertical sleeve pipe of upper and lower sliding fit and sets up and be used for fixing the handle on interior pole with erecting sleeve pipe locking on sleeve pipe upper portion, and the lower extreme of interior pole stretches out vertical sleeve pipe, erects sheathed tube lower extreme and is provided with first articulated seat, and the lower extreme of interior pole is provided with the articulated seat of second, sensor bracket component still includes the temperature sensor that three circumferencial direction along the articulated seat of first articulated seat and second evenly arranged, and articulated on the first articulated seat have with temperature sensor fixed connection's first adapter sleeve, articulated on the articulated seat of second have with temperature sensor sliding fit's second adapter sleeve.
Furthermore, the temperature sensor is a thermocouple, and a socket connected with the thermocouple is arranged on the side surface of the case.
Further, the transverse support comprises a transverse fixing plate and an adjusting transverse plate arranged on the transverse fixing plate, the transverse fixing plate is connected with the linear driver, a strip-shaped groove is formed in the adjusting transverse plate, and the adjusting transverse plate is fixed on the transverse fixing plate through a screw penetrating through the strip-shaped groove.
Furthermore, the end of the transverse support is provided with a U-shaped bayonet, the upper part of the vertical rod is arranged in the U-shaped bayonet, and the vertical rod is provided with a positioning ring for preventing the vertical rod from falling downwards in the U-shaped bayonet.
Further, the automatic calibration device for the building material incombustibility test furnace further comprises an AD590 integrated temperature sensor for measuring the ambient temperature at the cold end of the thermocouple, and the AD590 integrated temperature sensor is connected with a host.
Further, the linear driver is a linear motor, a lifting motor or an electric push rod.
The invention has the beneficial effects that:
the automatic calibration device for the building material incombustibility test furnace can automatically position the position of the temperature sensor in the height direction of the incombustibility test furnace, and the end part of the temperature sensor does not contact with the furnace wall when the position of the temperature sensor is adjusted up and down.
Drawings
FIG. 1 is a schematic perspective view of an automatic calibration device for a building material incombustibility test furnace;
FIG. 2 is a block diagram of the working principle of the automatic calibration device of the building material incombustibility test furnace.
Detailed Description
The invention is further described below with reference to the figures and examples.
As shown in fig. 1, the automatic calibration device for the building material incombustibility test furnace in this embodiment includes a case 1 and an operation panel 2 disposed on the front surface of the case, and further includes a host 3 disposed in the case and connected to the operation panel, a PLC 4 connected to the host, and a linear actuator 5 controlled by the PLC, the linear actuator is vertically disposed in the case, and a notch facing the linear actuator is disposed on a side surface of the case. The operation panel 2 in this embodiment includes a display and operation buttons such as on/off. The linear actuator 5 in this embodiment is a linear motor, and the linear actuator 4 may also be an electric push rod, a ball screw lifting motor, etc. in different embodiments.
Building material incombustibility test furnace automatic calibration device still includes the sensor bracket subassembly, the sensor bracket subassembly includes the horizontal support 6 of being connected with linear actuator, sets up in the pole setting 7 of horizontal support tip, overlaps in the pole setting and rather than vertical sleeve pipe 8 of up-and-down sliding fit and sets up and be used for fixing the handle 9 on interior pole with erecting sleeve pipe locking on sleeve pipe upper portion, and the lower extreme of interior pole stretches out vertical sleeve pipe, erects sheathed tube lower extreme and is provided with first articulated seat 10, and the lower extreme of interior pole is provided with the articulated seat 11 of second, the sensor bracket subassembly still includes three temperature sensor 12 along the circumferencial direction evenly arranged of the articulated seat of first articulated seat and second, and articulated on the first articulated seat have with temperature sensor fixed connection's first adapter sleeve 13, articulated on the articulated seat of second have with temperature sensor sliding fit's second adapter sleeve 14. The temperature sensor in this embodiment is an S-type standard thermocouple, and a socket 15 connected to the thermocouple is provided on the side surface of the case.
In the embodiment, when the automatic calibration device for the building material incombustibility test furnace works, the host transmits a command to the PLC, the PLC receives the command and controls the linear motor to drive the sensor support assembly to ascend or descend, so that the S-shaped standard thermocouple is accurately moved to a set measurement position in the incombustibility test furnace, then the handle 9 is loosened to enable the vertical sleeve 8 to move downwards, the vertical sleeve 8 moves downwards, namely, the end part of the S-shaped standard thermocouple is pushed to be in contact with the furnace wall, the S-shaped standard thermocouple detects the temperature of the furnace wall, the detected value is returned to the host for processing, and the host sends a processing result to the display for displaying. The automatic calibration device for the building material incombustibility test furnace in the embodiment can accurately position the thermocouple, can finish automatic measurement of the furnace wall temperature and the furnace temperature of the test furnace, and can calibrate parameters such as temperature indication error of the test furnace, temperature balance in the furnace and the like.
As a modification of the above embodiment, the lateral support 6 includes a horizontal fixing plate 61 and an adjusting transverse plate 62 disposed on the horizontal fixing bar, the horizontal fixing plate is connected with the linear actuator, the adjusting transverse plate is provided with a strip-shaped groove 63, and the adjusting transverse plate is fixed on the horizontal fixing plate through a screw penetrating in the strip-shaped groove. The length of the transverse support in the improvement is adjustable, so that the non-combustibility test furnace can be better adapted to building materials of different sizes.
As a modification of the above embodiment, the end of the lateral support is provided with a U-shaped bayonet 16 in which the upper part of the upright is arranged, and the upright is provided with a retaining ring 17 for preventing the upright from falling down in the U-shaped bayonet. This improvement makes the pole setting can be pulled down from horizontal support, and then the calibration during operation, can be convenient pack into incombustibility test stove with pole setting, perpendicular sleeve pipe and the temperature sensor on it, can improve the convenience of calibration work.
As an improvement to the above embodiment, the automatic calibration device for the building material incombustibility test furnace further comprises an AD590 integrated temperature sensor 18 for measuring the ambient temperature at the cold end of the thermocouple, and the AD590 integrated temperature sensor is connected with the host computer. When the thermocouple is used for measuring temperature, the temperature of the cold end of the thermocouple is required to be kept unchanged, and the magnitude of the thermoelectric force of the thermocouple is in a certain proportional relation with the measured temperature. If the cold end ambient temperature changes during measurement, the accuracy of measurement is seriously influenced. This improvement is passed through AD590 integrated temperature sensor and is gathered thermocouple cold junction ambient temperature for the host computer can carry out the cold junction compensation when handling thermocouple detected data, can improve the calibration result degree of accuracy.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (6)
1. Building material incombustibility test furnace automatic calibration device, including quick-witted case and set up in the positive operating panel of quick-witted case, its characterized in that: the device also comprises a host arranged in the case and connected with the operation panel, a PLC connected with the host and a linear driver controlled by the PLC, wherein the linear driver is vertically arranged in the case, and a notch opposite to the linear driver is arranged on the side surface of the case;
building material incombustibility test furnace automatic calibration device still includes sensor bracket component, sensor bracket component includes the horizontal support of being connected with linear actuator, sets up in the pole setting of horizontal support tip, overlaps in the pole setting and rather than vertical sleeve pipe of upper and lower sliding fit and sets up and be used for fixing the handle on interior pole with erecting sleeve pipe locking on sleeve pipe upper portion, and the lower extreme of interior pole stretches out vertical sleeve pipe, erects sheathed tube lower extreme and is provided with first articulated seat, and the lower extreme of interior pole is provided with the articulated seat of second, sensor bracket component still includes the temperature sensor that three circumferencial direction along the articulated seat of first articulated seat and second evenly arranged, and articulated on the first articulated seat have with temperature sensor fixed connection's first adapter sleeve, articulated on the articulated seat of second have with temperature sensor sliding fit's second adapter sleeve.
2. The automatic calibration device for the building material incombustibility test furnace according to claim 1, characterized in that: the temperature sensor is a thermocouple, and a socket connected with the thermocouple is arranged on the side surface of the case.
3. The automatic calibration device for the building material incombustibility test furnace according to claim 1, characterized in that: the transverse support comprises a transverse fixing plate and an adjusting transverse plate arranged on the transverse fixing bar, the transverse fixing plate is connected with the linear driver, a strip-shaped groove is formed in the adjusting transverse plate, and the adjusting transverse plate is fixed on the transverse fixing plate through a screw penetrating through the strip-shaped groove.
4. The automatic calibration device for the building material incombustibility test furnace according to claim 1, characterized in that: the end part of the transverse support is provided with a U-shaped bayonet, the upper part of the vertical rod is arranged in the U-shaped bayonet, and the vertical rod is provided with a positioning ring for preventing the vertical rod from falling downwards in the U-shaped bayonet.
5. The automatic calibration device for the building material incombustibility test furnace according to claim 2, characterized in that: the cold junction temperature measuring device further comprises an AD590 integrated temperature sensor used for measuring the cold junction ambient temperature of the thermocouple, and the AD590 integrated temperature sensor is connected with a host.
6. The automatic calibration device for the building material incombustibility test furnace according to claim 1, characterized in that: the linear driver is a linear motor, a lifting motor or an electric push rod.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123173885 | 2021-12-16 | ||
| CN202123173885X | 2021-12-16 |
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| CN114354834A true CN114354834A (en) | 2022-04-15 |
| CN114354834B CN114354834B (en) | 2023-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210038237.3A Active CN114354834B (en) | 2021-12-16 | 2022-01-13 | Automatic calibrating device for non-inflammability test furnace of building material |
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Citations (9)
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|---|---|---|---|---|
| US20060088077A1 (en) * | 2004-10-21 | 2006-04-27 | Ivoclar Vivadent Ag | Burning oven |
| KR20090132921A (en) * | 2008-06-23 | 2009-12-31 | 한국표준과학연구원 | System for automatic calibration of thermocouple and method for calibration using the same |
| CN202246417U (en) * | 2011-09-21 | 2012-05-30 | 莆田市诺斯顿电子发展有限公司 | Control device for liquid crystal glass breaking machine |
| CN103411993A (en) * | 2013-08-15 | 2013-11-27 | 山东方圆建筑工程检测中心 | Positioning device for non-combustibility test |
| CN203396728U (en) * | 2013-08-15 | 2014-01-15 | 山东方圆建筑工程检测中心 | Locating device for non-combustibility test |
| CN204422459U (en) * | 2014-12-17 | 2015-06-24 | 苏州泰思泰克检测仪器科技有限公司 | A kind of apparatus for automatically lifting of noncombustibility test furnace sample |
| KR20150140552A (en) * | 2014-06-05 | 2015-12-16 | 주식회사 페스텍 | All-in-one test apparatus for calculating fire-property of matter |
| CN208125301U (en) * | 2018-03-29 | 2018-11-20 | 昆山莫帝斯科燃烧技术仪器有限公司 | Building materials noninflammability test furnace in-furnace temperature calibrating installation elevating mechanism |
| CN109425552A (en) * | 2017-09-05 | 2019-03-05 | 成都美吉房地产营销策划有限公司 | The method for improving the flame resistance test accuracy of construction material |
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2022
- 2022-01-13 CN CN202210038237.3A patent/CN114354834B/en active Active
Patent Citations (9)
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|---|---|---|---|---|
| US20060088077A1 (en) * | 2004-10-21 | 2006-04-27 | Ivoclar Vivadent Ag | Burning oven |
| KR20090132921A (en) * | 2008-06-23 | 2009-12-31 | 한국표준과학연구원 | System for automatic calibration of thermocouple and method for calibration using the same |
| CN202246417U (en) * | 2011-09-21 | 2012-05-30 | 莆田市诺斯顿电子发展有限公司 | Control device for liquid crystal glass breaking machine |
| CN103411993A (en) * | 2013-08-15 | 2013-11-27 | 山东方圆建筑工程检测中心 | Positioning device for non-combustibility test |
| CN203396728U (en) * | 2013-08-15 | 2014-01-15 | 山东方圆建筑工程检测中心 | Locating device for non-combustibility test |
| KR20150140552A (en) * | 2014-06-05 | 2015-12-16 | 주식회사 페스텍 | All-in-one test apparatus for calculating fire-property of matter |
| CN204422459U (en) * | 2014-12-17 | 2015-06-24 | 苏州泰思泰克检测仪器科技有限公司 | A kind of apparatus for automatically lifting of noncombustibility test furnace sample |
| CN109425552A (en) * | 2017-09-05 | 2019-03-05 | 成都美吉房地产营销策划有限公司 | The method for improving the flame resistance test accuracy of construction material |
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