CN114354834B - Automatic calibrating device for non-inflammability test furnace of building material - Google Patents
Automatic calibrating device for non-inflammability test furnace of building material Download PDFInfo
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- CN114354834B CN114354834B CN202210038237.3A CN202210038237A CN114354834B CN 114354834 B CN114354834 B CN 114354834B CN 202210038237 A CN202210038237 A CN 202210038237A CN 114354834 B CN114354834 B CN 114354834B
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- 238000012360 testing method Methods 0.000 title claims abstract description 37
- 239000004566 building material Substances 0.000 title claims abstract description 32
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000009286 beneficial effect 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 machine case, an operation panel arranged on the front surface of the machine case, a host arranged in the machine 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 machine case, and a notch opposite to the linear driver is arranged on the side surface of the machine case; the sensor bracket assembly comprises a transverse support, a vertical rod, a vertical sleeve and three temperature sensors, wherein the transverse support, the vertical rod, the vertical sleeve and the three temperature sensors are connected with the linear driver. The invention can automatically position the temperature sensor in the height direction of the incombustible 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 calibrating device of a non-inflammability test furnace.
Background
With the rapid development of economy, the urban construction is rapidly developed due to the improvement of the urban rate. High-rise buildings, even super high-rise buildings, large-scale comprehensive buildings, landmark buildings, underground rail transit, matched buildings and the like are more and more, and the scale is larger and larger. The buildings generally have the characteristics of high personnel density and (or) high personnel mobility, and in the aspect of fire control, the characteristics of high fire load, difficult natural smoke discharge, high evacuation rescue difficulty and the like are present, so that the fire control work becomes more and more serious. According to the fire control law, the fire control working principle of 'prevention and combination of fire prevention' requires that the constructional engineering uses a large amount of incombustible building materials to prevent fire from occurring from the source. Therefore, the fire resistance of the building material is directly related to the fire prevention capability and the loss degree of lives and properties of the country and people when the fire occurs.
The building material incombustibility test furnace is key equipment for judging the combustion performance classification of building materials, and is widely applied to building material inspection and detection and performance test. However, in the prior art, there is no calibration device capable of calibrating the performance of the incombustible test furnace, so that the transfer of the incombustible test furnace value of the building material cannot be performed normally, and uncertain factors are brought to the detection result of the fireproof performance of the building material, which may cause misjudgment of the fireproof performance of the building material and hidden danger to fireproof safety. In order to ensure the accuracy and reliability of the test result of the non-combustibility test furnace for building materials, a related metering standard device is required to be developed for calibration, so that the magnitude tracing is realized.
Disclosure of Invention
In view of the above, the present invention aims to provide 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 incombustibility test furnace comprises a machine case, an operation panel arranged on the front surface of the machine case, a host arranged in the machine 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 machine case, and a notch opposite to the linear driver is arranged on the side surface of the machine case;
the automatic calibration device for the non-inflammability test furnace for the building materials further comprises a sensor support assembly, wherein the sensor support assembly comprises a transverse support connected with a linear driver, a vertical rod arranged at the end part of the transverse support, a vertical sleeve sleeved on the vertical rod and in vertical sliding fit with the vertical rod, and a handle arranged on the upper part of the vertical sleeve and used for locking and fixing the vertical sleeve on an inner rod, the lower end of the inner rod extends out of the vertical sleeve, a first hinging seat is arranged at the lower end of the vertical sleeve, a second hinging seat is arranged at the lower end of the inner rod, the sensor support assembly further comprises three temperature sensors uniformly arranged along the circumferential directions of the first hinging seat and the second hinging seat, a first connecting sleeve fixedly connected with the temperature sensors is hinged on the first hinging seat, and a second connecting sleeve in sliding fit with the temperature sensors is hinged on the second hinging seat.
Further, the temperature sensor is a thermocouple, and a socket connected with the thermocouple is arranged on the side face of the case.
Further, the horizontal support comprises a fixed transverse plate and an adjusting transverse plate arranged on the fixed transverse plate, the fixed transverse 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 fixed transverse plate through a screw penetrating through the strip-shaped groove.
Further, the end of the transverse support is provided with a U-shaped bayonet, the upper portion of the upright rod is arranged in the U-shaped bayonet, and a positioning ring for preventing the upright rod from falling down in the U-shaped bayonet is arranged on the upright rod.
Furthermore, the automatic calibration device of the building material incombustibility test furnace further comprises an AD590 integrated temperature sensor for measuring the ambient temperature of 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 non-inflammability test furnace for the building materials can automatically position the temperature sensor in the height direction of the non-inflammability test furnace, and the end part of the temperature sensor is not contacted with the furnace wall when the temperature sensor is adjusted up and down.
Drawings
FIG. 1 is a schematic perspective view of an automatic calibration device of a non-combustibility test furnace for building materials;
FIG. 2 is a functional block diagram of an automatic calibration device for a non-combustibility test furnace for building materials.
Detailed Description
The invention is further described below with reference to the drawings and examples.
As shown in fig. 1, the automatic calibration device for the non-inflammability test furnace for building materials in the embodiment comprises a machine case 1, an operation panel 2 arranged on the front surface of the machine case, a host 3 arranged in the machine case and connected with the operation panel, a PLC 4 connected with the host, and a linear driver 5 controlled by the PLC, wherein the linear driver is vertically arranged in the machine case, and a notch opposite to the linear driver is arranged on the side surface of the machine case. The operation panel 2 in the present embodiment includes a display, and operation buttons for turning on and off. The linear actuator 5 in the present embodiment is a linear motor, and the linear actuator 4 may be an electric push rod, a ball screw lifting motor, or the like in different embodiments.
The automatic calibration device for the non-inflammability test furnace for the building materials further comprises a sensor support assembly, the sensor support assembly comprises a transverse support 6 connected with a linear driver, a vertical rod 7 arranged at the end part of the transverse support, a vertical sleeve 8 sleeved on the vertical rod and in sliding fit with the vertical rod, and a handle 9 arranged on the upper part of the vertical sleeve and used for locking and fixing the vertical sleeve on an inner rod, the lower end of the inner rod extends out of the vertical sleeve, a first hinging seat 10 is arranged at the lower end of the vertical sleeve, a second hinging seat 11 is arranged at the lower end of the inner rod, the sensor support assembly further comprises three temperature sensors 12 uniformly arranged along the circumferential directions of the first hinging seat and the second hinging seat, a first connecting sleeve 13 fixedly connected with the temperature sensors is hinged on the first hinging seat, and a second connecting sleeve 14 in sliding fit with the temperature sensors is hinged on the second hinging seat. 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 of the case.
When the automatic calibration device for the non-inflammability test furnace for the building materials works, a host transmits a command to a PLC, the PLC receives the command and then 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 non-inflammability test furnace, then the handle 9 is loosened to enable the vertical sleeve 8 to move downwards, the end part of the S-shaped standard thermocouple is pushed to contact with a furnace wall after the vertical sleeve 8 moves downwards, the temperature of the furnace wall is detected by the S-shaped standard thermocouple, the detected value is returned to the host for processing, and the host sends a processing result to a display for displaying. The automatic calibrating device for the non-inflammability test furnace for the building materials can accurately position the thermocouple, 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 errors of the test furnace, temperature balance in the furnace and the like.
As a modification of the above embodiment, the transverse support 6 includes a transverse fixing plate 61 and an adjusting plate 62 disposed on the transverse fixing plate, the transverse fixing plate is connected with the linear driver, a bar-shaped groove 63 is disposed on the adjusting plate, and the adjusting plate is fixed on the transverse fixing plate by a screw penetrating through the bar-shaped groove. The length of the transverse support in the improvement is adjustable, so that the furnace can be better suitable for the non-inflammability test furnaces of building materials with different sizes.
As a modification of the above embodiment, the ends of the transverse support are provided with U-shaped bayonet 16, the upper part of the upright being provided in the U-shaped bayonet and the upright being 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 followed horizontal support and taken down, and then the calibration during operation, can be convenient with pole setting, perpendicular sleeve pipe and last temperature sensor load into incombustibility test stove in, can improve the convenience of calibration work.
As an improvement to the above embodiment, the automatic calibration device of 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, wherein the AD590 integrated temperature sensor is connected with a host. The temperature of the cold end of the thermocouple is required to be kept unchanged when the temperature is measured by the thermocouple, and the thermoelectric voltage 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 affected. According to the improvement, the AD590 integrated temperature sensor is used for collecting the ambient temperature of the cold end of the thermocouple, so that the host can perform cold end compensation when processing thermocouple detection data, and the accuracy of a calibration result can be improved.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and 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 and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered by the scope of the claims of the present invention.
Claims (4)
1. The utility model provides a building material incombustibility test stove automatic calibration device, includes quick-witted case and sets up in the positive operating panel of machine case, its characterized in that: the device also comprises a host computer, a PLC and a linear driver, wherein the host computer is arranged in the case and connected with the operation panel, the PLC is connected with the host computer, the linear driver is controlled by the PLC, 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;
the automatic calibration device of the building material incombustibility test furnace further comprises a sensor bracket assembly, the sensor bracket assembly comprises a transverse support connected with the linear driver, a vertical rod arranged at the end part of the transverse support, a vertical sleeve sleeved on the vertical rod and in up-down sliding fit with the vertical rod, and a handle arranged at the upper part of the vertical sleeve and used for locking and fixing the vertical sleeve on the vertical rod, the lower end of the vertical sleeve extends out of the vertical sleeve, a first hinging seat is arranged at the lower end of the vertical sleeve, a second hinging seat is arranged at the lower end of the vertical rod, the sensor bracket assembly further comprises three temperature sensors uniformly arranged along the circumferential directions of the first hinging seat and the second hinging seat, a first connecting sleeve fixedly connected with the temperature sensors is hinged on the first hinging seat, and a second connecting sleeve in sliding fit with the temperature sensors is hinged on the second hinging seat;
the temperature sensor is a thermocouple, and a socket connected with the thermocouple is arranged on the side surface of the case;
the automatic calibration device for the building material incombustibility test furnace further comprises an AD590 integrated temperature sensor for measuring the ambient temperature of the cold end of the thermocouple, and the AD590 integrated temperature sensor is connected with a host.
2. The automatic calibration device for a non-combustibility test furnace for building materials according to claim 1, wherein: the transverse support comprises a transverse fixing plate and an adjusting 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 plate, and the adjusting plate is fixed on the transverse fixing plate through a screw penetrating through the strip-shaped groove.
3. The automatic calibration device for a non-combustibility test furnace for building materials according to claim 1, wherein: the end of the transverse support is provided with a U-shaped bayonet, the upper part of the upright rod is arranged in the U-shaped bayonet, and the upright rod is provided with a positioning ring for preventing the upright rod from falling down in the U-shaped bayonet.
4. The automatic calibration device for a non-combustibility test furnace for building materials according to claim 1, wherein: the linear driver is a linear motor, a lifting motor or an electric push rod.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202123173885 | 2021-12-16 | ||
| CN202123173885X | 2021-12-16 |
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| CN114354834A CN114354834A (en) | 2022-04-15 |
| CN114354834B true CN114354834B (en) | 2023-12-05 |
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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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| 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102004051409B4 (en) * | 2004-10-21 | 2010-01-07 | Ivoclar Vivadent Ag | kiln |
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| 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 |
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