A test device for a meltable lighting member and a test method thereof

Abstract

The application discloses a kind of fusible lighting component test device and its test method, including constant temperature heater for generating heat, heat storage bin made of civil air duct, heat storage bin is used to accumulate and guide flow hot air current generated by constant temperature heater, flow stabilizer for uniform and stable export hot air current in heat storage bin, heat conduction air duct with inlet end and flow stabilizer exhaust end communication and total station and filter paper respectively located at heat conduction air duct test mouth and drop mouth.Compared with prior art, by the effect of high-temperature gas flow discharged in heat storage bin through flow stabilizer, uniform and stable high-temperature gas flow in heat storage bin is exported and flows to fusible lighting component through heat conduction air duct, so that fusible lighting component is effectively heated by adjustable temperature airflow, and the area of melting hole of fusible lighting component is measured and calculated using the total station set to obtain the melting ratio, so as to determine the performance of fusible lighting component according to the obtained data.

Description

Technical Field

[0001] This invention relates to the field of fusible daylighting components, and in particular to a test apparatus and test method for fusible daylighting components. Background Technology

[0002] Fusible skylights are a type of fire-fighting smoke extraction facility, typically consisting of skylight strips and windows. They are made of a material that automatically melts at temperatures between 120°C and 150°C without producing molten droplets. When the temperature rises in a fire area, the material melts automatically, allowing heat and smoke to escape from the fire scene through the molten openings. The convection of hot smoke and cold air reduces the indoor temperature and smoke concentration. Currently, to ensure effective smoke extraction in a fire, fusible skylight strips and windows typically require a perforation rate of over 70% at temperatures between 120°C and 150°C, while the molten droplets must not have an ignition effect. Existing technologies lack standardized testing methods and devices for fusible skylights. Therefore, a testing device and method are needed to effectively test and classify the performance of fusible skylights. Summary of the Invention

[0003] The purpose of this invention is to provide a test device and test method for testing the performance of fusible lighting components, which can classify fusible lighting components based on the test results.

[0004] To achieve the above objectives, the technical solution adopted by the present invention is as follows: it includes a constant temperature heater for generating heat, a heat storage chamber made of civil engineering air duct, the heat storage chamber for storing and guiding the hot airflow generated by the constant temperature heater, a flow stabilizer for uniformly and stably exporting the hot airflow in the heat storage chamber, a heat-conducting air duct whose air inlet end is connected to the air outlet end of the flow stabilizer, and a total station and filter paper located at the test port and drip outlet of the heat-conducting air duct, respectively, wherein the distance between the total station and the test port is 1m.

[0005] Furthermore, the fusible light-transmitting component is a fusible light-transmitting strip or a fusible light-transmitting window.

[0006] Furthermore, the heat storage chamber is equipped with a flow stabilizer for uniformly and stably discharging the hot airflow from the heat storage chamber, and the flow stabilizer is located at the exhaust end of the heat storage chamber.

[0007] Furthermore, the flow stabilizer is composed of a plate-shaped structure with through holes in its lower half, and the edge of the flow stabilizer is tightly connected to the shell of the thermal storage chamber.

[0008] Furthermore, an airflow valve is provided inside the heat storage chamber, and the airflow valve is located between the constant temperature heater and the flow stabilizer.

[0009] Furthermore, a receiving tray is provided below the drip outlet, and the filter paper is located inside the receiving tray.

[0010] Furthermore, the test port is provided with a specimen support for fixing the soluble light-collecting component, and multiple temperature sensors are provided 5mm below the specimen support.

[0011] Furthermore, the total station is mounted on a bracket 1m above the test port.

[0012] It also includes a test method for fusible daylighting components, comprising the following steps:

[0013] Step S1: Place the fusible light-transmitting component to be tested under room temperature conditions at the test port of the heat-conducting air duct;

[0014] Step S2: Lay two sheets of filter paper flat in the receiving tray;

[0015] Step S3: Open the airflow valve and the thermostatic heater in sequence and start timing with the timing device. Measure and monitor the temperature of the test port to ensure that the temperature rises to the preset temperature of 120℃ within 60 seconds and the temperature at the test port remains constant.

[0016] Step S4: Heating for a total of 900 seconds, observe whether the dripping material in the receiving tray 5 ignites the filter paper 6 during the heating process;

[0017] Step S5: After timing to 900s, turn off the constant temperature heater and close the airflow valve. After the fusible light-transmitting strip cools down, use a total station to collect data on the molten hole and obtain the test results based on the data to determine the performance parameters of the test component.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] In this invention, the high-temperature airflow discharged from the heat storage chamber is uniformly and stably discharged from the heat storage chamber through the action of the flow stabilizer and flows to the fusible light-transmitting component through the heat-conducting air duct. This allows the fusible light-transmitting component to be effectively heated by the airflow with adjustable temperature. At the same time, the area of ​​the melting holes of the fusible light-transmitting component is measured and calculated using a total station to obtain the melting ratio. Based on the obtained data, the performance of the fusible light-transmitting component is determined. Attached Figure Description

[0020] Figure 1 This is a front view schematic diagram of the experimental apparatus in this invention;

[0021] Figure 2 This is a top view of the experimental apparatus in this invention.

[0022] Figure 3This is a top view of the test port structure in this invention;

[0023] The names corresponding to the reference numerals in the attached figures are as follows:

[0024] 1. Constant temperature heater; 2. Airflow valve; 3. Flow stabilizer; 4. Through hole 301; 5. Heat storage chamber; 6. Receiving tray; 7. Filter paper; 8. Heat conduction air duct; 9. Specimen support; 10. Fusible light-transmitting component; 11. Temperature sensor; 12. Support; 13. Total station; 14. Housing; 15. Test port; 16. Drip outlet. Detailed Implementation

[0025] The present invention will be further described below with reference to the accompanying drawings and embodiments. The embodiments of the present invention include, but are not limited to, the following embodiments.

[0026] Example 1

[0027] refer to Figures 1-3 As shown, the test device for a fusible light-transmitting component described in this embodiment includes a constant-temperature heater 1 for generating heat, a heat storage chamber 4 made of civil engineering ventilation duct, the heat storage chamber 4 for storing and guiding the hot airflow generated by the constant-temperature heater 1, a flow stabilizer for uniformly and stably exporting the hot airflow in the heat storage chamber 4, a heat-conducting duct 7 whose air inlet end is connected to the air outlet end of the flow stabilizer, and a total station 12 and filter paper 6 located at the test port 14 and the drip outlet 15 of the heat-conducting duct 7, respectively, wherein the total station 12 is 1m away from the test port 14.

[0028] The heat conduction duct 7 is a hollow T-shaped structure. A specimen support 8 is provided at the test port 14 of the heat conduction duct 7. The specimen support 8 is used to fix the fusible light-transmitting component 9 to be tested. The fusible light-transmitting component 9 is a light-transmitting strip that can be melted when heated. A temperature sensor 10 is provided 5mm below the specimen support 8. There are 8 temperature sensors 10, which are evenly distributed below the fusible light-transmitting strip.

[0029] The filter paper 6, located directly below the drip outlet 15, is placed inside the receiving tray 5. The filter paper 6 is used to detect whether the dripping material from the melted fusible light-transmitting strip can ignite the filter paper 6.

[0030] The flow stabilizer 3 is made of metal and other non-combustible materials. The flow stabilizer 3 is fixedly installed at the end of the heat storage chamber 4. The flow stabilizer 3 is composed of a plate-shaped structure with through holes 301 in the lower half. The edge of the flow stabilizer 3 is tightly connected to the shell 13 of the heat storage chamber 4.

[0031] After the heat fusion test, the area of ​​the fused holes in the fusible light-transmitting strip is measured and calculated using a total station 12 located above the test port 14 in the heat-conducting air duct 7. When multiple holes are found, the fused holes need to be measured separately, and then the areas are added together to calculate the final fused area (S). 熔The area of ​​the melting hole does not include the area of ​​components such as window frames. The melting ratio of the test will be calculated according to Formula 1.

[0032] Melting ratio = S 熔 / S×100% (Formula 1)

[0033] Where: S—effective area of ​​the test component before testing, mm 2 S 熔 —The total molten area measured by a non-cooperative total station after the hot-melt test, in mm. 2 .

[0034] The present invention includes the following steps during testing:

[0035] Step S1: The fusible light-transmitting strip to be tested, with a length, width, and thickness of 4000mm×4000mm×80mm, is fixed at the test port 14 of the heat-conducting air duct 7 by the specimen support 8 at room temperature, and ensures that the fusible light-transmitting strip is placed stably on the specimen support 8. At this time, the temperature sensors 10 are evenly arranged below the fusible light-transmitting strip.

[0036] Step S2: Lay two sheets of filter paper 6 flat in the receiving tray 5, and make the filter paper 6 50mm away from the drip outlet 15 of the heat conduction air duct 7;

[0037] Step S3: Open the airflow valve 2 and the constant temperature heater 1 in sequence and start timing through the timing device. Measure and monitor the temperature of the test port 14 to ensure that the temperature rises to the preset temperature of 120℃ within 60s and the temperature at the test port remains constant.

[0038] Step S4: Heating for a total of 900 seconds, observe whether the dripping material in the receiving tray 5 ignites the filter paper 6 during the heating process;

[0039] Step S5: After timing to 900s, turn off the constant temperature heater 1 and simultaneously close the airflow valve 2. After the fusible light-transmitting strip cools down, use the total station 12 to collect data on the molten hole, and obtain the test results based on the obtained data to determine the performance parameters of the test component.

[0040] The performance evaluation criteria include: the melting area reaching more than 80% of the test component area is considered qualified; no open flame is seen when the filter paper drips.

[0041] Example 2

[0042] refer to Figures 1-3As shown, the test device for a fusible light-transmitting component described in this embodiment includes a constant-temperature heater 1 for generating heat, a heat storage chamber 4 made of civil engineering ventilation duct, the heat storage chamber 4 for storing and guiding the hot airflow generated by the constant-temperature heater 1, a flow stabilizer for uniformly and stably exporting the hot airflow in the heat storage chamber 4, a heat-conducting duct 7 whose air inlet end is connected to the air outlet end of the flow stabilizer, and a total station 12 and filter paper 6 located at the test port 14 and the drip outlet 15 of the heat-conducting duct 7, respectively, wherein the total station 12 is 1m away from the test port 14.

[0043] The heat conduction duct 7 is a hollow T-shaped structure. A specimen support 8 is provided at the test port 14 of the heat conduction duct 7. The specimen support 8 is used to fix the fusible light-transmitting component 9 to be tested. The fusible light-transmitting component 9 is a light-transmitting window that can be melted when heated. A temperature sensor 10 is provided 5mm below the specimen support 8. There are 8 temperature sensors 10, which are evenly distributed below the fusible light-transmitting strip.

[0044] The filter paper 6, located directly below the drip outlet 15, is placed inside the receiving tray 5. The filter paper 6 is used to detect whether the dripping material from the melted fusible light-transmitting strip can ignite the filter paper 6.

[0045] The flow stabilizer 3 is made of metal and other non-combustible materials. The flow stabilizer 3 is fixedly installed at the end of the heat storage chamber 4, and the edge of the flow stabilizer 3 is tightly connected to the inner wall of the heat storage chamber 4.

[0046] After the hot-melt test, the area of ​​the molten holes in the fusible skylight is measured and calculated using a total station 12 located above the test port 14 in the heat-conducting air duct 7. When multiple holes are present, the molten holes need to be measured separately, and then the areas are added together to calculate the final molten area (S). 熔 The area of ​​the melting hole does not include the area of ​​components such as window frames. The melting ratio of the test will be calculated according to Formula 1.

[0047] Melting ratio = S 熔 / S×100% (Formula 1)

[0048] Where: S—effective area of ​​the test component before testing, mm 2 S 熔 —The total molten area measured by a non-cooperative total station after the hot-melt test, in mm. 2 .

[0049] The present invention includes the following steps during testing:

[0050] Step S1: The fusible light-transmitting window to be tested, with a length, width, and thickness of 2000mm×1000mm×80mm, is fixed at the test port 14 of the heat-conducting air duct 7 by the specimen support 8 under room temperature conditions, and ensures that the fusible light-transmitting window is placed stably on the specimen support 8. At this time, the temperature sensors 10 are evenly arranged below the fusible light-transmitting window.

[0051] Step S2: Lay two sheets of filter paper 6 flat in the receiving tray 5, and make the filter paper 6 50mm away from the drip outlet 15 of the heat conduction air duct 7;

[0052] Step S3: Open the airflow valve 2 and the constant temperature heater 1 in sequence and start timing through the timing device. Measure and monitor the temperature of the test port 14 to ensure that the temperature rises to the preset temperature of 150℃ within 60s and the temperature at the test port remains constant.

[0053] Step S4: Heating for a total of 900 seconds, observe whether the dripping material from the fusible light-transmitting window in the receiving tray 5 ignites the filter paper 6 during the heating process;

[0054] Step S5: After timing to 900s, turn off the constant temperature heater 1 and simultaneously close the airflow valve 2. After the fusible light-transmitting window cools down, use the total station 12 to collect data on the melting holes on the fusible light-transmitting window, and obtain the test results based on the obtained data to determine the performance parameters of the test component.

[0055] The performance evaluation criteria include: a melting area of ​​more than 80% of the test component area is considered qualified; no open flame is seen when the filter paper drips;

[0056] The above embodiments are merely one of the preferred embodiments of the present invention. Any modifications or refinements made to the main design concept and spirit of the present invention that are not substantial in nature, but which still solve the same technical problem as the present invention, should be included within the protection scope of the present invention.

Claims

1. A test apparatus for a fusible light-transmitting component, characterized in that: The device includes a heat storage chamber (4), a constant temperature heater (1), a heat conduction duct (7), and a total station (12). The constant temperature heater (1) is located in the heat storage chamber (4). The exhaust end of the heat storage chamber (4) is connected to the air inlet end of the heat conduction duct (7). The heat conduction duct (7) is provided with a test port (14) and a drip outlet (15). The test port (14) and the drip outlet (15) are located at the upper and lower ends of the heat conduction duct (7), respectively. The test port (14) is provided with a fusible light-collecting component (9) and the total station (12). The drip outlet (15) is provided with a filter paper (6) below it. The heat storage chamber (4) is equipped with a flow stabilizer (3) for uniformly and stably exporting the hot airflow in the heat storage chamber (4), and the flow stabilizer (3) is located at the exhaust end of the heat storage chamber (4). The flow stabilizer (3) is a plate-shaped structure with a through hole (301) in the lower half, and the edge of the flow stabilizer (3) is fixedly connected to the shell (13) of the heat storage chamber (4). An airflow valve (2) is provided inside the heat storage chamber (4), and the airflow valve (2) is located between the constant temperature heater (1) and the flow stabilizer (3); The heat conduction duct (7) is a hollow T-shaped structure.

2. The test apparatus for a fusible light-transmitting component according to claim 1, characterized in that: The fusible light-transmitting component (9) is a fusible light-transmitting strip or a fusible light-transmitting window.

3. The test apparatus for a fusible light-transmitting component according to claim 1, characterized in that: A receiving tray (5) is provided below the drip outlet (15), and the filter paper (6) is located inside the receiving tray (5).

4. The test apparatus for a fusible light-transmitting component according to claim 3, characterized in that: The test port (14) is provided with a specimen support (8) for fixing the fusible light-transmitting component (9), and multiple temperature sensors (10) are provided 5 mm below the specimen support (8).

5. The test apparatus for a fusible light-transmitting component according to claim 4, characterized in that: The total station (12) is set 1m above the test port (14) via a bracket (11).

6. The test method of the test apparatus for fusible light-transmitting components according to any one of claims 3-5, characterized in that: Includes the following steps: Step S1: Place the fusible light-transmitting component (9) to be tested under room temperature conditions at the test port (14) of the heat-conducting air duct (7); Step S2: Lay two sheets of filter paper (6) flat in the receiving tray (5); Step S3: Open the airflow valve (2) and the constant temperature heater (1) in sequence and start timing through the timing device to measure and monitor the temperature of the test port (14) to ensure that the temperature rises to the preset temperature of 120℃ within 60s and the temperature at the test port remains constant. Step S4: Heating for a total of 900s, observe whether the dripping material in the receiving tray (5) ignites the filter paper (6) during the heating process; Step S5: After timing to 900s, turn off the constant temperature heater (1) and close the airflow valve (2). After the fusible light-transmitting component (9) cools down, use a total station (12) to collect data on the melting holes, and obtain the test results based on the data to determine the performance parameters of the test component.

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