Infrared temperature measurement system for fire endurance test of vertical component of building

Abstract

The utility model discloses a building vertical member fire endurance test infrared temperature measurement system, which comprises a base frame, a lifting beam, a lifting mechanism, an infrared thermometer and an angle adjusting mechanism, and is characterized in that the base frame comprises a pair of upright posts, and the distance between the two upright posts is greater than the distance between any two combustors on the same horizontal plane; the two ends of the lifting beam are in sliding connection with the two stand columns in the vertical direction. The lifting mechanism can enable the lifting beam to directionally and quantitatively lift; the infrared thermometer is in sliding fit with the lifting beam through a translation mechanism, and the sliding direction is parallel to the length direction of the lifting beam; the angle adjusting mechanism is arranged at the end part of the lifting beam, and the angle adjusting mechanism can enable the lifting beam to directionally and quantitatively roll, so that the temperature measuring area of the infrared thermometer is a fan-shaped surface. The problems that an infrared thermometer cannot effectively cover and obtain accurate wall surface temperature parameters, and the influence of the flame temperature of a combustor cannot be effectively avoided can be solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to building component test technical field, concretely relates to a building vertical component fire endurance test infrared temperature measurement system. BACKGROUND

[0002] With the development of society, the material wealth and population density increase unceasingly, the frequency of fire occurrence and the harm caused are more and more serious, and among them, the flammability of building material is one of the important factors of fire risk. Therefore, using the material with higher fire performance becomes the key strategy of reducing fire hazard, and before the building material is put into use, it must be detected for fire performance.

[0003] The fire performance of building component is usually verified by test burning furnace. In the fire test, the temperature and pressure conditions in the standard are simulated in the test furnace, and the integrity, heat insulation and other indexes of building component are analyzed, so that its fire performance is evaluated. The test sample is generally horizontal component or vertical component, wherein the vertical component refers to the component mainly bearing vertical load (such as dead load, floor load, etc.) in building structure, and the most common one is vertical wall. When fire occurs, the wall top bears the weight of floor and dead load in vertical direction, and the wall surface directly bears the flame roasting, so its fire resistance performance is related to the safety of the whole building.

[0004] During the test, the wall sample is vertically arranged in the burning furnace and fixed, and then a plurality of burners arranged on the furnace wall of the burning furnace are used to spray and burn the wall surface. In the process, the infrared thermometer is used to detect the temperature of the wall surface to detect the relationship between the temperature and the support performance of the wall in the whole process.

[0005] When the infrared thermometer is used to measure the temperature of the wall, the following problems are prone to occur: the wall surface area of the sample wall is generally large, and the spray and burning of the burner on the wall surface is not uniform, so the infrared thermometer cannot effectively cover and obtain accurate wall surface temperature parameters; at the same time, the infrared thermometer cannot effectively avoid the influence of the flame temperature of the burner when detecting. UTILITY MODEL CONTENT

[0006] The utility model aims at providing a building vertical component fire endurance test infrared temperature measurement system, which can solve the problems that the infrared thermometer cannot effectively cover and obtain accurate wall surface temperature parameters, and cannot effectively avoid the influence of the flame temperature of the burner.

[0007] The utility model realizes the following technical scheme:

[0008] The application discloses an infrared temperature measuring system for building vertical component fire resistance limit test, which comprises a base frame, a lifting beam, a lifting mechanism, an infrared temperature measuring instrument and an angle adjusting mechanism.

[0009] Optionally, the angle adjusting mechanism comprises a fixed seat, a rotating seat and an angle adjusting motor; the fixed seat is slidably connected with the corresponding column in the vertical direction; the rotating seat is rotatably connected with the fixed seat, and the rotating plane is a vertical plane, which is perpendicular to the length direction of the lifting beam; the rotating seat is fixedly connected with the end of the lifting beam; the angle adjusting motor is arranged on the fixed seat, and is in transmission connection with the rotating seat, so that the rotating seat is oriented and quantitatively rotated.

[0010] Optionally, the rotating seat is in the shape of a disc gear; the output shaft of the angle adjusting motor is provided with a driving gear, which is in transmission engagement with the rotating seat.

[0011] Optionally, the lifting mechanism comprises a lead screw and a lifting motor; the lead screw is vertically arranged and rotatably connected with the base frame; the lead screw is screwed with the fixed seat; the lifting motor is fixedly arranged on the base frame and is in transmission connection with the lead screw.

[0012] Optionally, the translation mechanism comprises a translation screw and a translation motor; the translation screw is arranged along the length direction of the lifting beam and is rotatably connected with the lifting beam; the translation screw is screwed with the infrared temperature measuring instrument; the translation motor is fixedly connected with the lifting beam and is in transmission connection with the translation screw.

[0013] Optionally, one side of the lifting beam in the width direction is provided with a guard plate which is perpendicular to the lifting beam and is integrally formed with the lifting beam.

[0014] Optionally, the other side of the lifting beam in the width direction is provided with a limiting plate which is perpendicular to the lifting beam and is integrally formed with the lifting beam, so that the limiting plate, the lifting beam and the guard plate form a sliding groove; the groove width of the sliding groove is matched with the size of the infrared temperature measuring instrument, so that the infrared temperature measuring instrument is embedded in the sliding groove; the translation screw and the translation motor are arranged in the sliding groove.

[0015] Optionally, the height of the guard plate is higher than the height of the infrared thermometer, and the height of the limiting plate is slightly lower than the height of the temperature measuring end of the infrared thermometer.

[0016] Optionally, the base frame further comprises a base, a pair of support legs and a support beam; the base is horizontally arranged in a plate shape, the bottom end of the column is fixedly connected with the base; the support leg is vertically arranged in an isosceles triangular plate shape, the bottom edge of the support leg is fixedly connected with the base; the two ends of the support beam are fixedly connected with the top ends of the two support legs respectively, and the top end of the column is fixedly connected with the support beam; the top end of the lead screw is rotationally connected with the support beam, and the bottom end is rotationally connected with the base; the lifting motor is fixedly arranged on the support beam.

[0017] Optionally, a slide rail is slidably connected to the bottom of the base, the slide rail is horizontally arranged and arranged in parallel with the plane where the support leg is located; the base is provided with a longitudinal movement motor, and the longitudinal movement motor can make the base slide directionally and quantitatively along the slide rail.

[0018] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0019] The infrared temperature measuring system for building vertical component fire resistance limit test provided by the utility model provides the installation structure basis of other structures by arranging the base frame, the distance between the two columns is greater than the distance between the burners, so that when the base frame is installed, the flames of all the burners are located between the two columns; the lifting beam, the lifting mechanism and the infrared temperature measuring instrument are arranged, the lifting beam can ascend along the column through the lifting mechanism, so as to drive the infrared temperature measuring instrument at a height higher than the height of the flame sprayed by the burner, the distance between the columns is arranged, the problem that the flame temperature of the burner cannot be effectively avoided is solved; under the premise of meeting the height of avoiding the flame, the lifting mechanism can also detect the temperature of the upper part of the wall, at the same time, the translation mechanism is arranged, so that the infrared temperature measuring instrument can translate along the length direction of the lifting beam, so as to detect every point of the width direction of the wall, on this basis, the angle adjusting mechanism is arranged, so that the lifting beam can directionally and quantitatively roll, so that the infrared temperature measuring instrument has the functions of adjusting the elevation angle and the depression angle, so as to further detect the point in the vertical direction of the wall, so that the infrared temperature measuring instrument can detect every point of the wall, so as to solve the problem that the infrared temperature measuring instrument cannot effectively cover and obtain the accurate wall temperature parameter. BRIEF DESCRIPTION OF DRAWINGS

[0020] The drawings described herein are used to provide further understanding of the embodiments of the utility model and constitute a part of the application, and do not constitute the limitation to the embodiments of the utility model.

[0021] Figure 1 The front view schematic diagram of the infrared temperature measuring system for building vertical component fire resistance limit test provided by the embodiment of the utility model;

[0022] Figure 2 The side view schematic diagram of the infrared temperature measuring system for building vertical component fire resistance limit test provided by the embodiment of the utility model;

[0023] Figure 3 The top view schematic diagram of the lifting beam of the infrared temperature measuring system for building vertical component fire resistance limit test provided by the embodiment of the utility model;

[0024] Figure 4 The local enlarged schematic diagram of the lifting mechanism of the infrared temperature measuring system for building vertical component fire resistance limit test provided by the embodiment of the utility model;

[0025] Figure 5 The front view schematic diagram of the combustion furnace;

[0026] Figure 6 The schematic diagram of the infrared temperature measuring system for building vertical component fire resistance limit test provided by the embodiment of the utility model when working in the combustion furnace.

[0027] The mark and corresponding component name in the drawing:

[0028] 10-base frame; 11-stand; 12-base; 13-supporting leg; 14-supporting beam; 15-slideway; 16-longitudinal movement motor; 20-lifting beam; 21-guard plate; 22-limiting plate; 30-infrared temperature measuring instrument; 40-fixing base; 41-rotating base; 42-angle adjusting motor; 421-driving gear; 50-screw rod; 51-lifting motor; 60-translation screw rod; 61-translation motor. Specific implementation

[0029] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further explained in detail below by combining with the embodiment and drawing, and the schematic implementation mode and the explanation of the utility model are only used for explaining the utility model, and are not as the limitation of the utility model.

[0030] Embodiment

[0031] Please refer to Figures 1 to 6The embodiment provides a kind of building vertical component fire resistance limit test infrared temperature measurement system, including base frame 10, the base frame 10 includes a pair of stand 11, the distance between two stand 11 It is greater than the distance between any two burners of the same horizontal plane;Second includes lifting beam 20, the two ends of lifting beam 20 are respectively with two stand 11 along vertical direction sliding connection;Third includes lifting mechanism, the lifting mechanism can make lifting beam 20 directional and quantitative lifting;Fourth includes infrared thermometer 30, infrared thermometer 30 is slidably connected with lifting beam 20 by translation mechanism, sliding direction is parallel with the length direction of lifting beam 20;Fifth includes angle adjusting mechanism, angle adjusting mechanism is located at the end of lifting beam 20, angle adjusting mechanism can make lifting beam 20 directional and quantitative rolling, so that the temperature measurement area of infrared thermometer 30 is fan face.

[0032] The building vertical component fire resistance limit test infrared temperature measurement system provided by the embodiment, by setting the base frame 10, the mounting structure basis of other structures is provided, by setting a pair of stand 11, the distance between two stand 11 It is greater than the distance between burners, so that when base frame 10 is installed, the flame of all burners can be located between two stand 11;By setting lifting beam 20, lifting mechanism and infrared thermometer 30, lifting beam 20 can be lifted along stand 11 by lifting mechanism, to drive the height of infrared thermometer 30 on it higher than the height of flame sprayed by burner, combined with the interval setting of stand 11, solve the problem that the influence of flame temperature of burner cannot be effectively avoided;Under the premise of meeting the height of avoiding flame, lifting mechanism can also make infrared thermometer 30 consider the temperature detection of upper part of wall, at the same time, by setting translation mechanism, infrared thermometer 30 can be translated along the length direction of lifting beam 20, so as to consider the detection of each point of the width direction of wall, on this basis, by setting angle adjusting mechanism, lifting beam 20 can be directional and quantitative rolling, so that infrared thermometer 30 has adjusting elevation and depression angle, so that it further considers the detection of vertical point of wall, so that infrared thermometer 30 can detect each point of wall, so as to solve the problem that infrared thermometer 30 cannot effectively cover and obtain accurate wall temperature parameter.

[0033] In order to further explain the specific structure of the angle adjusting mechanism, the angle adjusting mechanism comprises a fixed seat 40, a rotating seat 41 and an angle adjusting motor 42; the fixed seat 40 is in sliding connection with the corresponding column 11 in the vertical direction; the rotating seat 41 is in rotating connection with the fixed seat 40, the rotating plane is a vertical plane, and the rotating plane is perpendicular to the length direction of the lifting beam 20, and the rotating seat 41 is in fixed connection with the end of the lifting beam 20; the angle adjusting motor 42 is arranged on the fixed seat 40, and the angle adjusting motor 42 is in transmission connection with the rotating seat 41, so that the rotating seat 41 is oriented and quantitatively rotated.

[0034] Through the above arrangement, the rotating seat 41 is rotated by the angle adjusting motor 42, so that the lifting beam 20 fixedly connected with the rotating seat 41 is rotated.

[0035] In order to further explain the rotating structure of the rotating seat 41, the rotating seat 41 is in the shape of a disc gear; the output shaft of the angle adjusting motor 42 is provided with a driving gear 421, and the driving gear 421 is in transmission engagement with the rotating seat 41.

[0036] Through the above arrangement, the rotating seat 41 itself is a disc gear, and the rotating seat 41 can be oriented and quantitatively rotated by being engaged with the driving gear 421 through a gear set or directly.

[0037] In order to further explain the specific structure of the lifting mechanism, the lifting mechanism comprises a lead screw 50 and a lifting motor 51; the lead screw 50 is vertically arranged and in rotating connection with the base frame 10, and the lead screw 50 is screwed with the fixed seat 40; the lifting motor 51 is fixedly arranged on the base frame 10 and in transmission connection with the lead screw 50.

[0038] Through the above arrangement, the fixed seat 40 is lifted along the column 11 by the rotating lead screw 50 driven by the lifting motor 51.

[0039] In order to further explain the specific structure of the translation mechanism, the translation mechanism comprises a translation screw 60 and a translation motor 61; the translation screw 60 is arranged along the length direction of the lifting beam 20 and in rotating connection with the lifting beam 20, and the translation screw 60 is screwed with the infrared temperature measuring instrument 30; the translation motor 61 is fixedly connected with the lifting beam 20 and in transmission connection with the translation screw 60.

[0040] Through the above arrangement, the infrared temperature measuring instrument 30 screwed with the translation screw 60 is moved along the lifting beam 20 by the rotating translation screw 60 driven by the translation motor 61, and in the process, the lifting beam 20 limits the rotation of the infrared temperature measuring instrument 30, so that the infrared temperature measuring instrument 30 can only move along the length direction of the translation screw 60.

[0041] In order to further prevent the flame from directly contacting the infrared thermometer 30, a guard plate 21 is vertically arranged on one side of the lifting beam 20 in the width direction and perpendicular to the lifting beam 20, and the guard plate 21 is integrally formed with the lifting beam 20.

[0042] In order to further protect the structure of the infrared thermometer 30, a limiting plate 22 is vertically arranged on the side of the lifting beam 20 away from the guard plate 21 in the width direction, the limiting plate 22 is integrally formed with the lifting beam 20, so that the limiting plate 22, the lifting beam 20 and the guard plate 21 form a sliding groove, the groove width of the sliding groove matches the size of the infrared thermometer 30, so that the infrared thermometer 30 is embedded in the sliding groove, and the translation screw 60 and the translation motor 61 are arranged in the sliding groove.

[0043] In order to not block the temperature measuring end of the infrared thermometer 30, the height of the guard plate 21 is higher than the height of the infrared thermometer 30, and the height of the limiting plate 22 is slightly lower than the height of the temperature measuring end of the infrared thermometer 30.

[0044] In order to further improve the structural stability and support performance of the base frame 10, the base frame 10 further comprises a base 12, a pair of support legs 13 and a support beam 14, the base 12 is a horizontally arranged plate, the bottom end of the stand column 11 is fixedly connected with the base 12, the support leg 13 is vertically arranged in the shape of an isosceles triangle plate, the bottom edge of the support leg 13 is fixedly connected with the base 12, the two ends of the support beam 14 are respectively fixedly connected with the top ends of the two support legs 13, the top end of the stand column 11 is fixedly connected with the support beam 14, the top end of the screw rod 50 is rotationally connected with the support beam 14, and the bottom end is rotationally connected with the base 12, and the lifting motor 51 is fixedly arranged on the support beam 14.

[0045] In order to compensate for the change in the distance between the infrared thermometer 30 and the wall caused by the rotation of the lifting beam 20, a sliding rail 15 is slidably connected to the bottom of the base 12, the sliding rail 15 is horizontally arranged and arranged in parallel with the plane where the support leg 13 is located, and the base 12 is provided with a longitudinal movement motor 16, which can make the base 12 slide in a certain direction and a certain amount along the sliding rail 15.

[0046] It should be noted that the above-mentioned several motors are all step motors.

[0047] The above specific embodiments further illustrate the purpose, technical scheme and beneficial effects of the present application, and it should be understood that the above description is only a specific embodiment of the present application and is not used to limit the protection scope of the present application, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. An infrared temperature measurement system for use in fire endurance testing of building vertical members, characterized by, The utility model relates to a kind of infrared temperature measurement device, including: Base frame (10), the base frame (10) includes a pair of column (11), the distance between two column (11) is greater than the distance between any two combustor of same horizontal plane; Lifting beam (20), two ends of the lifting beam (20) are respectively connected with two column (11) along vertical direction sliding; Lifting mechanism, the lifting mechanism can make lifting beam (20) directional and quantitative lifting; Infrared thermometer (30), the infrared thermometer (30) is slidably connected with lifting beam (20) by translation mechanism, and sliding direction is parallel with the length direction of lifting beam (20); Angle adjusting mechanism, the angle adjusting mechanism is arranged at the end of lifting beam (20), and the angle adjusting mechanism can make lifting beam (20) directional and quantitative rolling, so that the temperature measurement area of infrared thermometer (30) is fan-shaped surface.

2. The infrared temperature measurement system for building vertical member fire resistance test according to claim 1, wherein The angle adjusting mechanism includes fixed seat (40), rotating seat (41) and angle adjusting motor (42); The fixed seat (40) is slidably connected with the corresponding column (11) along the vertical direction; The rotating seat (41) is rotatably connected with the fixed seat (40), and the rotating plane is vertical plane, and the rotating plane is perpendicular to the length direction of the lifting beam (20), and the rotating seat (41) is fixedly connected with the end of the lifting beam (20); The angle adjusting motor (42) is arranged in the fixed seat (40), and the angle adjusting motor (42) is drivingly connected with the rotating seat (41), so that the rotating seat (41) is directional and quantitatively rotated.

3. The infrared temperature measurement system for building vertical member fire resistance test according to claim 2, characterized in that, The rotating seat (41) is disc gear-like, and the output shaft of the angle adjusting motor (42) is provided with driving gear (421), and the driving gear (421) is drivingly engaged with the rotating seat (41).

4. The infrared temperature measurement system for building vertical member fire resistance test according to claim 2, wherein The lifting mechanism includes lead screw (50) and lifting motor (51); The lead screw (50) is vertically arranged, and is rotatably connected with the base frame (10), and the lead screw (50) is screwed with the fixed seat (40); The lifting motor (51) is fixedly arranged on the base frame (10), and is drivingly connected with the lead screw (50).

5. The infrared temperature measurement system for building vertical element fire resistance test according to any one of claims 1-4, characterized in that, The translation mechanism includes translation screw (60) and translation motor (61); The translation screw (60) is arranged along the length direction of the lifting beam (20), and is rotatably connected with the lifting beam (20), and the translation screw (60) is screwed with the infrared thermometer (30); The translation motor (61) is fixedly connected with the lifting beam (20), and is drivingly connected with the translation screw (60).

6. The infrared temperature measurement system for building vertical member fire resistance test according to claim 5, wherein One side of the lifting beam (20) in width direction is provided with a guard plate (21) perpendicular to the lifting beam (20), and the guard plate (21) is integrally formed with the lifting beam (20).

7. The infrared temperature measurement system for building vertical member fire resistance test according to claim 6, characterized in that, The side of the lifting beam (20) in width direction away from the guard plate (21) is provided with a limiting plate (22) vertically, and the limiting plate (22) is integrally formed with the lifting beam (20), so that the limiting plate (22), the lifting beam (20) and the guard plate (21) form a chute. The slot width of the chute is matched with the size of the infrared temperature measuring instrument (30) so that the infrared temperature measuring instrument (30) is embedded in the chute. The translation screw (60) and the translation motor (61) are arranged in the chute.

8. The infrared temperature measurement system for building vertical member fire resistance test according to claim 7, characterized in that, The height of the guard plate (21) is higher than the height of the infrared temperature measuring instrument (30), and the height of the limiting plate (22) is slightly lower than the height of the temperature measuring end of the infrared temperature measuring instrument (30).

9. The infrared temperature measurement system for building vertical member fire resistance test according to claim 4, wherein The base frame (10) further comprises a base (12), a pair of support legs (13) and a support beam (14). The base (12) is a horizontally arranged plate, and the bottom end of the stand column (11) is fixedly connected with the base (12). The support leg (13) is a vertically arranged isosceles triangular plate, and the bottom edge of the support leg (13) is fixedly connected with the base (12). The two ends of the support beam (14) are respectively fixedly connected with the top ends of the two support legs (13), and the top end of the stand column (11) is fixedly connected with the support beam (14). The top end of the screw rod (50) is rotationally connected with the support beam (14), and the bottom end is rotationally connected with the base (12). The lifting motor (51) is fixedly arranged on the support beam (14).

10. The infrared temperature measurement system for building vertical member fire resistance test according to claim 9, wherein The bottom of the base (12) is slidingly connected with a slide rail (15), the slide rail (15) is horizontally arranged and is arranged in parallel with the plane where the support leg (13) is located. The base (12) is provided with a longitudinal movement motor (16), and the longitudinal movement motor (16) can make the base (12) slide along the slide rail (15) in a directional and quantitative manner.

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