CN204679364U - A kind of building curtain wall thermal cycling test device - Google Patents
A kind of building curtain wall thermal cycling test device Download PDFInfo
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- CN204679364U CN204679364U CN201520339590.0U CN201520339590U CN204679364U CN 204679364 U CN204679364 U CN 204679364U CN 201520339590 U CN201520339590 U CN 201520339590U CN 204679364 U CN204679364 U CN 204679364U
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- curtain wall
- test specimen
- temperature
- outside surface
- wall test
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Abstract
The utility model discloses a kind of building curtain wall thermal cycling test device, comprising curtain wall test specimen, for supporting supporting construction, heating structure, cooling structure, the test structure of described curtain wall test specimen; Described heating structure comprise face described curtain wall outside surface some illumination lamps, for supporting the lamp bracket of described illumination lamp, controlling the switch of described illumination lamp; Described cooling structure comprises water pipe and air-conditioning, and described water pipe is arranged between described lamp bracket and described curtain wall outside surface, described water pipe is provided with some apopores facing described curtain wall outside surface; Described test structure comprises the some temperature sensors be arranged on described curtain wall, and be connected with described temperature sensor and temperature controller for controlling described curtain wall temperature, the switch of described illumination lamp is connected with described temperature controller.The utility model test findings is reliable, fidelity is high, test is efficient, can be widely used in curtain wall thermal cycling test.
Description
Technical field
The utility model belongs to curtain wall thermal cycling test technical field, is specifically related to a kind of building curtain wall thermal cycling test device.
Background technology
The impact of building curtain wall physical property climate condition is comparatively large, and after high/low temperature ringing, curtain wall there will be sealing property and declines, and is out of shape, even parts damages, the problems such as weather resistance reduction after expanding with heat and contract with cold.People more and more pay close attention to the usability of building curtain wall under alternating hot and cold environment.
At present, in the application of at home and abroad engineering, the curtain wall testing standard that curtain wall test in laboratory is mainly concerned with has GB, Europe superscript, American Standard, and that wherein have thermal cycle test item is AAMA 501.5-1998 " exterior wall thermal cycling test method " and CWCT Part8:2005 " building external protects test method-thermal cycling test standard " respectively.But there is following difficult point in these standards in implementation procedure: to test specimen insulation, the manufacture and installation of insulation can; Make the realization of test specimen rapid temperature rise and drop; The homogeneity in temperature field, meets test specimen overall evenly intensification, constant temperature.Therefore, building curtain wall thermal cycle measuring technology is improved very necessary.
Utility model content
Above-mentioned curtain wall test method is complicated, the technical matters of inconvenient operation in order to solve for the utility model, provides one conveniently building curtain wall circulation test device.
In order to solve the problem, the utility model is achieved by following technical scheme:
Building curtain wall thermal cycling test device described in the utility model, comprises curtain wall test specimen, for supporting supporting construction, heating structure, cooling structure, the test structure of described curtain wall test specimen;
Described heating structure comprise face described curtain wall outside surface some illumination lamps, for supporting the lamp bracket of described illumination lamp, controlling the switch of described illumination lamp;
Described cooling structure comprises water pipe and air-conditioning, and described water pipe is arranged between described lamp bracket and described curtain wall outside surface, described water pipe is provided with some apopores facing described curtain wall outside surface;
Described test structure comprises the some temperature sensors be arranged on described curtain wall, and be connected with described temperature sensor and temperature controller for controlling described curtain wall temperature, the switch of described illumination lamp is connected with described temperature controller.
Further, also comprise the insulation can being movably arranged on the described curtain wall back side, described insulation can is connected with described curtain wall test specimen by connecting hasp.
Further, also comprise the hermetically-sealed construction forming seal cavity with described curtain wall outside surface, described hermetically-sealed construction comprises roof, two side and the antetheca parallel with described curtain wall outside surface; Described illumination lamp, water pipe, air-conditioning are all arranged in described seal cavity.
A kind of building curtain wall thermal cycle method of testing described in the utility model, comprises the following steps:
(1) according to curtain wall environment for use, maximum temperature, the minimum temperature of setting curtain wall specimen test;
(2) under illumination condition, curtain wall test specimen heats up, and reaches default maximum temperature;
(3) by the cooling of curtain wall test specimen outside surface trickle, described curtain wall test specimen is made to reach normal temperature;
(4) by air-conditioning, curtain wall test specimen is lowered the temperature, make described curtain wall test specimen reach default minimum temperature;
(5) circulation step (2), (3), (4), to the heating, cooling of curtain wall test specimen, and record the temperature of curtain wall test specimen, observe the situation of described curtain wall test specimen.
Further, some temperature sensors are all furnished with at curtain wall test specimen outside surface, curtain wall test specimen backboard, air layer between curtain wall test specimen outside surface and backboard.
Further, when described curtain wall test specimen heats up, its back side is movably set with the insulation can for sealing described curtain wall test specimen backboard; During described curtain wall test specimen cooling, remove described insulation can.
Further, described illumination condition is as follows, and the sunlamp of some 900W ~ 1200W forms lamp wall, the area of described lamp wall and the area of described curtain wall test specimen outside surface roughly equal, and parallel with described curtain wall test specimen outside surface; The distance of adjacent two sunlamps is 250mm ~ 500mm.
Further, by arranging water pipe to described curtain wall test specimen outside surface trickle between described lamp wall and described curtain wall test specimen outside surface, described water pipe is provided with some apopores, and described apopore faces the outside surface of described curtain wall test specimen.
Further, by the temperature of temperature controller monitoring curtain wall test specimen, described temperature controller is connected with temperature sensor, and controls described sunlamp, water pipe unlatching or close.
Further, the two sides of described curtain wall test specimen, end face, parallel with outside surface before be provided with hermetically-sealed construction, the outside surface of described hermetically-sealed construction and described curtain wall test specimen forms seal cavity, and described sunlamp, water pipe and air-conditioning are all arranged in described seal cavity.
Compared with prior art, the beneficial effects of the utility model are:
(1) by sunlamp, simulation sunshine condition, heat up to curtain wall test specimen, curtain wall test specimen is heated evenly, and heats up fast.
(2) adopt a water pipe to arrange multiple water delivering orifice, current cover curtain wall test specimen outside surface, can take away heat fast, and use in conjunction with air-conditioning, accelerate cooling.
(3) by the curtain wall test specimen temperature of temperature controller according to temperature sensor feedback, the unlatching of control sunlamp, water pipe, air-conditioning or closedown, automaticity is high.
(4) when heating up, insulation can is set at the curtain wall test specimen back side, accelerates programming rate, during cooling, remove insulation can, accelerate the stream energy of air, improve the efficiency of test.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail, wherein:
Fig. 1 is the structural representation of building curtain wall thermal cycling test device described in the utility model;
Fig. 2 is the vertical view of building curtain wall thermal cycling test device described in the utility model;
Fig. 3 is the front view of building curtain wall thermal cycle test specimen described in the utility model;
Fig. 4 is A-A view in Fig. 3;
Fig. 5 is the side view of building curtain wall thermal cycle test specimen described in the utility model;
Fig. 6 is insulation can and the curtain wall test specimen connection diagram of building curtain wall thermal cycling test device described in the utility model;
Fig. 7 is the utility model embodiment cyclic process schematic diagram
In figure: 1-curtain wall test specimen; 11-curtain wall test specimen outside surface; 12-curtain wall test specimen air layer; 13-curtain wall test specimen backboard; 2-hermetically-sealed construction; 21-edge sealing panel; 22-edge sealing support; 23-sealed wall, 3-moving thermal insulation case; 31-moving thermal insulation case heat insulating panel; 32-moving thermal insulation case keel; 33-connects hasp; 34-wheel; 4-supporting construction; 41-support frame beams; 42-support column; 43-inclined support bar; 5-temperature elevation system; 51-first temperature sensor; 52-second temperature sensor; 53-three-temperature sensor; 54-temperature controller; 55-lamp switch; 56-lamp bracket; 6-cooling structure; 61-water pipe; 62-air-conditioning.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the utility model, and be not used in restriction the utility model.
As shown in Fig. 1 ~ Fig. 6, building curtain wall thermal cycling test device described in the utility model, comprise curtain wall test specimen 1, for support described curtain wall test specimen 1 supporting construction, for heat described curtain wall test specimen 1 heating structure, for described curtain wall test specimen is lowered the temperature cooling structure, for testing the test structure of described curtain wall test specimen temperature.
Described curtain wall test specimen 1 comprising curtain wall test specimen outside surface 11, curtain wall test specimen backboard 13, for connecting described curtain wall test specimen outside surface 11 and the web joint of described curtain wall test specimen backboard 13, leaving curtain wall test specimen air layer 12 between described curtain wall test specimen outside surface 11 and described curtain wall test specimen backboard 13.
Described supporting construction comprises the support column 42 of some vertical settings, the support frame beams 41 be arranged on support column 42, some inclined support bars 43 for supporting described support column 42.Described support column 42 is arranged according to the code part of curtain wall test specimen 1, described support frame beams 41 is for connecting described support column 42, one end of described inclined support bar 43 is arranged on the top of described support column 42, the other end arranges on ground, the axis of its axis and described support column 42 forms angle, and described inclined support bar 43, support column 41 form firm triangular structure with ground.
The top of described curtain wall test specimen 1, the upper edge of curtain wall test specimen outside surface 11, lower edge are provided with hermetically-sealed construction 2, and described hermetically-sealed construction comprises edge sealing support 22, for warming edge sealing panel 21.
The dead ahead of described curtain wall test specimen outside surface 11 is provided with the sealed wall 23 forming a seal cavity with described curtain wall test specimen outside surface 11, arranges heating structure and cooling structure in described seal cavity.
Described heating structure comprise some sunlamps 56, for control described sunlamp 56 switch 55, for supporting the lamp bracket of described sunlamp 56, described sunlamp is the sunlamp of 1000W, it is approximately identical with described curtain wall test specimen outside surface 11 area that described sunlamp 56 forms an area, and the lamp wall be arranged in parallel, the distance of adjacent two sunlamps is 200mm ~ 400mm, preferred 300mm.Described sunlamp 56 is divided into some regions, and each region, by independent switch control rule, conveniently controls the homogeneity that curtain wall test specimen heats up.
Described cooling structure comprises some water pipes 61 be arranged between described sunlamp 56 and described curtain wall test specimen outside surface 11, described water pipe 61 faces on described curtain wall test specimen outside surface 11 and is provided with some apopores, and described water pipe and described curtain wall test specimen outside surface 11, ground are all parallel.The present embodiment comprises two water pipes, and wherein a water pipe is arranged on described curtain wall test piece upper part position, and another water pipe is arranged on the described about centre position of curtain wall test specimen, tap water is flowed down from the top of curtain wall test specimen outside surface, takes away the heat of curtain wall test specimen.Water pipe of the present utility model is not limited to two, also can arrange the many water pipes such as a water pipe, three water pipes according to actual needs.
Described cooling structure also comprises air-conditioning, and described air-conditioning is arranged in described seal cavity, and in the present embodiment, described air-conditioning is arranged between described sunlamp and described sealed wall.
Described test structure comprises some first temperature sensors 51 be arranged on described curtain wall test specimen outside surface 11, some second temperature sensors 52 be arranged on curtain wall test specimen air layer 12, the some three-temperature sensors 53 be arranged on curtain wall test specimen backboard 13, the temperature controller 54 be connected with described first temperature sensor 51, second temperature sensor 52, three-temperature sensor 53, described switch 55, the switch controlling described water pipe 61, the switch controlling described air-conditioning are all connected with described temperature controller 54.
Also comprise insulation can 3, described insulation can 3 is movably arranged on the back side of described curtain wall test specimen 1, form seal cavity with the described curtain wall test specimen back side, described insulation can 3 comprises insulation can bracing frame 32, between the heat insulating panel 31 be arranged in described insulation can bracing frame 32, described insulation can bracing frame 32 outer wall and described curtain wall test specimen edge sealing support 22, be provided with some connection hasps 33 cooperatively interacted.Described connection hasp 33 comprise the hasp seat being arranged on described insulation can bracing frame 32 outer wall, the hasp ring be articulated with on described hasp seat, described in state handle that hasp ring connects, be arranged on described curtain wall test specimen edge sealing support 22 and having contact with of coordinating with described hasp ring, by described hasp ring was coordinated with described having contact with, pressure handle, can be connected described insulation can 3 with curtain wall test specimen.The bottom of described insulation can 3 is also provided with the wheel of convenient movement.
A kind of building curtain wall thermal cycling test method, comprises the following steps:
S1, according to curtain wall environment for use, temperature controller arranges the maximum temperature of curtain wall specimen test, minimum temperature, maximum temperature are held time, minimum temperature is held time.
S2, insulation can 3 is arranged on described curtain wall test specimen 1 back side, and is connected and fixed with curtain wall test specimen hermetically-sealed construction 2.
S3, open sunlamp 56 by temperature controller gauge tap 55, heat to curtain wall test specimen outside surface 11, make it be warming up to maximum temperature, be arranged on the temperature of the temperature sensor monitors curtain wall test specimen on curtain wall test specimen, and temperature is transferred to temperature controller.
Because sunlamp heats to curtain wall test specimen, curtain wall test specimen hull-skin temperature heats up very fast, and curtain wall test specimen air layer, curtain wall test specimen backboard temperature rise comparatively slow, substep setup control temperature, curtain wall test specimen temperature is turned up full blast temperature gradually, makes curtain wall test specimen internal/external heating more even.
S4, reach maximum temperature to the temperature of curtain wall test specimen when temperature sensor monitors, temperature controller gauge tap 55 closes sunlamp 56, if the temperature of curtain wall test specimen is lower than maximum temperature, open switch 55, continue to be heated to the highest temperature to curtain wall test specimen, circulating-heating, maintain the time that curtain wall test specimen is in default maximum temperature reaches Preset Time always.
S5, dismounting insulation can 3, make the curtain wall test specimen back side ventilate, be conducive to cooling.
S6, temperature controller control water pipe 61 switch, open water pipe, to described curtain wall test specimen outside surface trickle, described curtain wall test specimen are lowered the temperature.
S7, when temperature sensor monitors reaches normal temperature to the temperature of curtain wall test specimen, close water pipe 61.
S8, temperature controller control air-conditioning switch, open air-conditioning, further curtain wall test specimen is lowered the temperature, when temperature sensor monitors reaches default lowest temperature to curtain wall test specimen temperature, close air-conditioning, if curtain wall test specimen temperature rises higher than the lowest temperature preset, open air-conditioning, the minimum temperature time making curtain wall test specimen maintain minimum temperature to reach default.
S9, repeat S3 to S8,50 circulations, and by temperature that temperature controller record temperature sensor monitors arrives.
Below for the curtain wall specimen test of a project, the utility model is further described.
Fig. 3 ~ Fig. 5 is shown in by this project curtain wall test specimen, curtain wall test specimen is divided into four regions, and each region includes curtain wall test specimen outside surface 11, curtain wall test specimen air layer 12, curtain wall test specimen backboard 13.
According to curtain wall test specimen thermal cycling test drawing, design and produce curtain wall test specimen supporting construction 4, comprise support frame beams 41, support column 42, inclined support bar 43.Curtain wall test specimen is arranged on support column 42 by code part, and support column 42 is fixed on the ground by crab-bolt, and inclined support bar 43 ensures the stability of installing curtain wall test specimen, meets testing requirements.
When to curtain wall test specimen heat temperature raising, give the insulation of curtain wall test specimen by moving thermal insulation case 3, moving thermal insulation case comprises heat insulating panel 31, insulation can bracing frame 32, connects hasp 33, wheel 34.Moving thermal insulation case is made according to sample dimensions, heat insulating panel is supported by insulation can bracing frame, by being welded and fixed between insulation can bracing frame 32, wheel 34 is installed under insulation can bracing frame 32, moving thermal insulation case be can move freely by wheel 34, and moving thermal insulation case 3 is connected as a single entity by being connected hasp with the heat insulation edge sealing of curtain wall test specimen.When curtain wall test specimen is lowered the temperature, open connection hasp, push moving thermal insulation case open, increase the back ventilation and heat of curtain wall test specimen.
Heating structure of the present utility model comprises curtain wall test specimen hull-skin temperature measuring point 51, air layer temperature point 52, backboard temperature point 53, temperature controller 54, each region sunlamp switch 55, sunlamp 56 and connection line thereof.The each areal structure of curtain wall test specimen is distinguished to some extent, must arrange that temperature point contrasts respectively, temperature sensor adopts thermopair, being covered by high temperature resistant tinfoil uses high-temp glue to be bonded on curtain wall test specimen outside surface and curtain wall test specimen backboard, the temperature of temperature controller displays temperature Sensor monitoring also transmits power-off and power on signal to sunlamp switch, controls sunlamp and opens or close.Adopt sunlamp to the heating of curtain wall test specimen, by heating maximum temperature, programming rate, monitor the homogeneity of test specimen temperature simultaneously, selected the sunlamp of 1000W by repeated tests, and determine that the spacing of adjacent two sunlamps is 300mm, separately control sunlamp power supply by region.
The sunlamp switch controlling each region is relay switch, temperature sensor scheme access temperature controller, temperature sensor and temperature controller one_to_one corresponding, by highest temperature reference mark, curtain wall test specimen each region, reference mark temperature controller is accessed each region sunlamp relay switch, control the sunlamp power supply connecting and disconnecting of each region.
Determine as required to heat maximum temperature, maintain high-temperature time and minimum temperature, formulate a complete thermal cycle process, by actual conditions determination cycle index.
The present embodiment cyclic process as shown in Figure 7, experiment process:
1, lamp is opened, make the temperature of the temperature sensor monitors of each regional air layer of curtain wall test specimen reach 93 DEG C ± 6 DEG C, and maintain 1 hour, record all temperature sensor readings.
2, allow the temperature of each area surfaces temperature sensor monitors of curtain wall test specimen be down to less than 27 DEG C, record all temperature sensor readings (as shown in Figure 7).
3, carry out with cocycle (step 1 ~ 2) 50 times.
Owing to using sunlamp to the heating of curtain wall test specimen, curtain wall test specimen hull-skin temperature heats up very fast, and curtain wall test specimen air layer and curtain wall test specimen backboard temperature rise comparatively slowly, should setup control temperature step by step, and temperature of turning up full blast gradually, makes test specimen internal/external heating more even.After reference mark temperature is raised to maximum temperature, temperature controller makes sunlamp relay switch disconnect, and stop heating, when being reduced to the maximum temperature of setting at temperature, temperature controller makes sunlamp relay switch connect, and continues heating, keeps the test specimen highest temperature, enters maintenance hot stage.Reach a high temperature after holding time, close all regions sunlamp general supply, test specimen is lowered the temperature.
Test specimen cooling is adopted tap water spraying cooling method is carried out to curtain wall test specimen outside surface, and insulation can after opening test specimen, natural ventilation.After test specimen reaches normal temperature, adopt air-conditioning temperature-reducing method further curtain wall test temperature to be down to predetermined minimum temperature, according to air-conditioning characteristic, air port can not directly to surface of test piece, in order to avoid air-conditioning enters holding state.
The utility model is curtain wall test specimen simulation elevated temp by arranging sunlamp in curtain wall test specimen front, heats up fast, and arranges insulation can, further increase the efficiency of intensification.Adopt water pipe spray tap water, to the cooling of curtain wall test specimen, give the cooling of curtain wall test specimen further by air-conditioning, reach the demand of lowest temperature.The environment that the utility model simulation curtain wall test specimen is colding and heat succeed each other, effectively test the performance of curtain wall test specimen, and record the temperature of curtain wall test specimen in test process, accurately, test efficiency is high, and fidelity is high, can be widely used in curtain wall thermal cycling test in test.
Described in the present embodiment, other structure of building curtain wall thermal cycling test device is see prior art.
The above, it is only preferred embodiment of the present utility model, not any pro forma restriction is done to the utility model, therefore everyly do not depart from technical solutions of the utility model content, the any amendment done above embodiment according to technical spirit of the present utility model, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (5)
1. a building curtain wall thermal cycling test device, is characterized in that: comprise curtain wall test specimen, for supporting supporting construction, heating structure, cooling structure, the test structure of described curtain wall test specimen;
Described heating structure comprise face described curtain wall outside surface some illumination lamps, for supporting the lamp bracket of described illumination lamp, controlling the switch of described illumination lamp;
Described cooling structure comprises water pipe and air-conditioning, and described water pipe is arranged between described lamp bracket and described curtain wall outside surface, described water pipe is provided with some apopores facing described curtain wall outside surface;
Described test structure comprises the some temperature sensors be arranged on described curtain wall, and be connected with described temperature sensor and temperature controller for controlling described curtain wall temperature, the switch of described illumination lamp is connected with described temperature controller.
2. building curtain wall thermal cycling test device according to claim 1, is characterized in that: also comprise the moving thermal insulation case being arranged on the described curtain wall back side, and described insulation can is connected with described curtain wall test specimen by connecting hasp.
3. building curtain wall thermal cycling test device according to claim 1, it is characterized in that: also comprise the hermetically-sealed construction forming seal cavity with described curtain wall outside surface, described hermetically-sealed construction comprises roof, two side and the antetheca parallel with described curtain wall outside surface;
Described illumination lamp, water pipe, air-conditioning are all arranged in described seal cavity.
4. building curtain wall thermal cycling test device according to claim 1, is characterized in that: described temperature sensor is separately positioned on the outside surface of described curtain wall test specimen, the backboard of curtain wall test specimen, air layer between the outside surface of curtain wall test specimen and backboard.
5. building curtain wall thermal cycling test device according to any one of Claims 1-4, it is characterized in that: described illumination lamp is the sunlamp of 900W ~ 1200W, the area of described lamp bracket and the area of described curtain wall test specimen outside surface roughly equal, and parallel with described curtain wall test specimen outside surface; The distance of adjacent two sunlamps is 250mm ~ 500mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520339590.0U CN204679364U (en) | 2015-05-22 | 2015-05-22 | A kind of building curtain wall thermal cycling test device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520339590.0U CN204679364U (en) | 2015-05-22 | 2015-05-22 | A kind of building curtain wall thermal cycling test device |
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| CN204679364U true CN204679364U (en) | 2015-09-30 |
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| CN201520339590.0U Expired - Fee Related CN204679364U (en) | 2015-05-22 | 2015-05-22 | A kind of building curtain wall thermal cycling test device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104990823A (en) * | 2015-05-22 | 2015-10-21 | 广州建设工程质量安全检测中心有限公司 | Building curtain wall thermal cycle test method and test apparatus |
-
2015
- 2015-05-22 CN CN201520339590.0U patent/CN204679364U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104990823A (en) * | 2015-05-22 | 2015-10-21 | 广州建设工程质量安全检测中心有限公司 | Building curtain wall thermal cycle test method and test apparatus |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150930 Termination date: 20190522 |
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| CF01 | Termination of patent right due to non-payment of annual fee |