CN213068094U - Smoke-proof performance detection device for door products - Google Patents
Smoke-proof performance detection device for door products Download PDFInfo
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- CN213068094U CN213068094U CN202021410424.2U CN202021410424U CN213068094U CN 213068094 U CN213068094 U CN 213068094U CN 202021410424 U CN202021410424 U CN 202021410424U CN 213068094 U CN213068094 U CN 213068094U
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Abstract
The utility model discloses a smoke-proof performance detection device for door products, which comprises a main structure body, an airflow supply device, an installation frame, a heat exchanger, a gas processing plate, a sensor component and a spoiler; the structure main body is a box body with an opening at one side; the gas flow supply device is connected with the structure body and used for providing stable circulating gas; the mounting frame is arranged on the opening of the structure body; the air flow supply device comprises a pressure fan, a flowmeter and an air circulation fan, wherein the flowmeter is connected between the pressure fan and the structural body through a pressure pipeline; the gas circulating fan is arranged in the structure main body, and the gas circulating fan and the heat exchanger are arranged between the structure main body and the gas processing plate.
Description
Technical Field
The utility model belongs to the technical field of door class product smoke protection performance testing technique and specifically relates to door class product smoke protection performance detection device.
Background
Fire data show that 70% or even a higher proportion of casualties in a fire are caused by smoke generated during the fire. At present, the fire resistance requirements of door products are formulated by domestic relevant specifications and standards, but the requirements do not cover smoke resistance, the domestic relevant product design can not completely prevent the overflow and spread of fire smoke, and a large amount of smoke can be generated when door core materials, sealing materials and the like used by the door products are subjected to fire. Therefore, when a fire breaks out, the door products can prevent the fire from spreading, but the smoke is difficult to prevent, and the smoke generated by the door products aggravates the harm of the fire to the life safety of people.
The european union proposed test requirements and ratings for the smoke protection performance of fire doors and openable windows in 2005 and required testing according to the specified methods. The smoke prevention requirements and tests of door products are trending from the current situations of international and domestic. At present, no laboratory or device can be used for testing the smoke resistance of door products in China.
Disclosure of Invention
The utility model discloses be exactly for solving the above-mentioned not enough that prior art exists, provide a door class product smoke protection performance detection device, concrete technical scheme is as follows:
the smoke-proof performance detection device for door products comprises a structure main body, an airflow supply device, a mounting frame, a heat exchanger, a gas processing plate, a sensor assembly for measuring pressure and temperature and a spoiler;
the structure main body is a box body with an opening at one side; the gas flow supply device is connected with the structure body and used for providing stable circulating gas; the mounting frame is mounted on the opening of the structure main body and used for mounting a test piece;
the air flow supply device comprises a pressure fan, a flowmeter and an air circulation fan, wherein the flowmeter is connected between the pressure fan and the structural body through a pressure pipeline; the gas circulating fan is arranged in the structure main body, and the gas circulating fan and the heat exchanger are arranged between the structure main body and the gas processing plate.
Preferably, the gas treatment plate comprises a fixed plate and a telescopic plate, the fixed plate is fixed on the rear wall of the structure main body through a positioning rod, and the telescopic plate is arranged on the fixed plate in a sliding manner.
Preferably, the spoiler is arranged on the inner wall of the outer structural body of the gas treatment plate.
Preferably, the spoiler comprises a spoiler fixed plate and a spoiler auxiliary plate, wherein the spoiler fixed plate is fixed on the inner wall of the structure main body, and the spoiler auxiliary plate is arranged on the spoiler fixed plate in a sliding manner.
Preferably, the wall of the structure main body is respectively provided with a steel plate, a fireproof plate, high-temperature-resistant cellucotton and a fireproof plate from outside to inside.
Preferably, the heat exchanger is a hot wire.
Preferably, the sensor assembly includes an air pressure sensor and a thermocouple.
The utility model has the advantages that:
1. the utility model discloses a research has filled internal blank for relevant standard or standard accumulation test data are established domestically and reference foundation provides the research means of foundation, according to experimentation and result simultaneously to be favorable to improving the fire prevention smoke protection security performance of internal relevant product, make it and international orbit.
2. The air current flows through the gas circulating fan and the heat exchanger from the lower part of the gas treatment plate and then flows to the installation frame and the test piece from the upper part of the gas treatment plate, so that the air flows to the test piece after the temperature of the air is uniform, the air pressure balance of the position of the test piece is ensured, and the measurement precision is improved.
3. The spoiler is arranged to prevent the air flow from flowing too fast, a low-pressure area is formed at the corner position of the air flow path, the air leakage amount is influenced, and the air leakage amount is guaranteed to be measured more accurately.
4. The spoiler is similar to the gas processing plate, adopts a stretching structure, can realize different spoiler strengths, and can better adapt to test pieces of different sizes.
5. The pressure fan and the heat exchanger enable the test piece to bear the pressure difference of a fixed value under different temperature conditions. And the gas is circulated in the structure main body by using the gas circulating fan, and the gas leakage amount is measured by using the gas flowmeter. And meanwhile, the rotating speed of the pressure fan and the heating temperature of the heat exchanger are controlled by a sensor assembly and a control system.
6. The heat exchanger and the gas circulating fan are arranged on the inner side of the gas processing plate. Heating, gas circulation fan work all protect in the gas treatment inboard, and the high temperature air after the while heating passes through the test piece earlier, and the gas circulation fan is passed through again after the circulation, plays certain guard action to gas circulation fan.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the apparatus of the present invention;
FIG. 2 is a side cross-sectional view of the present invention with the spoiler removed;
FIG. 3 is a side cross-sectional view of the present invention with the mounting frame, gas treatment plate, and spoiler removed;
fig. 4 is an overall assembly view of the spoiler of the present invention.
In the figure: 1-mounting frame, 2-structural body, 3-airflow supply device, 11-test piece, 22-sensor assembly, 23-heat exchanger, 24-gas processing plate, 25-spoiler, 26-positioning rod, 31-gas circulation fan, 32-pressure pipeline, 33-flowmeter, 34-pressure fan, 241-fixing plate, 242-expansion plate, 251-spoiler and 252-spoiler auxiliary plate.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present invention, it should be understood that the terms "inside", "outside", "left" and "right" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
The utility model discloses a smoke-proof performance detection device for door products as shown in figures 1-4, which comprises a main structure body 2; a gas flow supply device 3 connected to the structure body 2 for supplying stable circulating gas; the stable air supply is ensured, and the air supply amount is controlled to ensure the stable air pressure in the structure main body 2.
The mounting frame 1 is arranged on the front opening of the structure body 2, and a test piece 11 is arranged on the mounting frame 1; the mounting frame 1 is provided at an opening of the structure body 2. The test piece 11 (door product) was mounted on the front upright mounting frame 1 of the structural body 2, and the structural body 2 was kept airtight.
As shown in fig. 1, a heat exchanger 23 is arranged in the structure body 2, the airflow supply device 3 comprises a pressure fan 34, a flow meter 33 and a gas circulation fan 31 arranged in the structure body 2, and the flow meter 33 is connected between the pressure fan 34 and the structure body 2 through a pressure pipeline 32; the structure main body 2 is internally provided with a sensor assembly 22 for measuring pressure and temperature, and the sensor assembly 22 comprises an air pressure sensor and a thermocouple.
A gas treatment plate is arranged in the structure main body, and the gas circulating fan and the heat exchanger are arranged between the furnace body and the gas treatment plate; as shown in figure 1, the air flow flows through the air circulating fan and the heat exchanger from the lower part of the gas treatment plate and then flows to the mounting frame and the test piece from the upper part of the gas treatment plate, so that the air flows to the test piece after the temperature of the air is uniform, the air pressure balance of the position of the test piece is ensured, and the measurement precision is improved.
The spoiler is arranged on the structure main body on the inner side of the mounting frame. As shown in fig. 1, the spoiler is arranged to prevent the air flow from flowing too fast, and a low-pressure area is formed at the corner position of the air flow path, so as to influence the air leakage rate and ensure more accurate measurement of the air leakage rate.
The gas treatment plate comprises a fixed plate and a telescopic plate, the fixed plate is fixed on the rear wall of the furnace body through a positioning rod, and the telescopic plate is arranged on the fixed plate in a sliding manner. When the door is small in size, the lower portion of the installation frame is generally used as a reference for installation, so that too much hot air flow is not needed to flow through the upper space of the furnace body, the telescopic plate slides downwards, and then the fixing plate and the telescopic plate are positioned in a bolt and pressure plate mode, and the purpose of adjusting the hot air flow path according to the height of a test piece can be achieved.
The spoiler comprises a spoiler fixed plate and a spoiler auxiliary plate, wherein the spoiler fixed plate is fixed on the inner wall of the furnace body, and the spoiler auxiliary plate is arranged on the spoiler fixed plate in a sliding manner. The spoiler is formed by splicing a perforated plate or a plurality of steel plate gaps, is similar to a gas treatment plate as shown in figure 1, adopts an extension structure, can be fixed in a bolt clamping plate mode after being adjusted, can realize different spoiler strengths, and can be better adapted to test pieces with different sizes.
The wall of the main structure body 2 comprises a steel plate, a fireproof plate and high-temperature-resistant cellucotton; the high-temperature resistant fiber cotton is aluminum silicate fiber cotton, the structure body 2 further comprises a gas treatment plate 24, and the heat exchanger 23 and the gas circulating fan 31 are arranged on the inner side of the gas treatment plate 24. Heating, gas circulation work all protect in gas treatment board 24 inboardly like this, and the high temperature air after the while heating passes through test piece 11 earlier, and the gas circulation fan 31 is passed through to the circulation back again, plays certain guard action to gas circulation fan 31.
The wall of the structure main body 2 is respectively provided with a steel plate, a fireproof plate, high-temperature resistant cellucotton and a fireproof plate from outside to inside. The concrete structure is that the outer side of the main structure body 2 is a 2.5-5 mm steel plate, the inner surface of the steel plate is a fire-proof plate with the thickness of 8-12mm, aluminum silicate fiber cotton with the thickness of 45-60 mm is pasted on the inner surface of the fire-proof plate, and the inner surface of the fiber cotton is covered with the fire-proof plate with the thickness of 8-12mm for protection. The heat exchanger 23 is a hot wire. For heating the circulating air.
The specific application of the device is illustrated by the following specific measurement examples:
1. test piece mounting (taking door as an example)
The actual measurement size of the test piece was 1080mm (width) × 2080mm (height). The test piece is installed in a flexible mounting frame 1 consisting of a light steel keel and a calcium silicate plate. The flexible mounting frame 1 was chosen because when the door was mounted in a flexible support structure for testing, the results of the testing were available for mounting the door in a rigid support structure. Therefore, flexible support structures were chosen for testing in view of the wide range of results available.
The leakage quantity of the system does not exceed 10 m3And h, sealing the plate seams on the supporting structure, the gaps between the supporting structure and the installation frame, the gaps between the supporting structure and the door frame and the gaps between the installation frame 1 and the furnace body by adopting sealing strips, sealing glue, aluminum foil sealing adhesive tapes and the like.
Except for the sill, the door gap length is: 870mm +1980mm × 2=4830 mm. Including the gaps between the door leaf and the upper part of the door frame and between the two side frames.
2. Test results
The test was performed at ambient temperature and then at a temperature of 200 ℃. The test results are shown in table 1.
TABLE 1 test results
The smoke leakage rate of the test piece exceeds the standard requirement under the ambient temperature condition and the 200 ℃ condition, and the relevant requirements of the smoke resistance in the standard are compared with the measured data, which are shown in the table 2.
TABLE 2 comparison of the measured results with the smoke protection-related requirements in the EN Standard
The device can measure the smoke leakage of the test piece at ambient temperature and medium temperature (200 ℃). The actual measurement test adopts a common door with one door cheek, and the test result shows that the door can not meet the smoke-proof performance requirement of the door in the standard.
The utility model discloses a research has filled internal blank for relevant standard or standard accumulation test data are established domestically and reference foundation provides the research means of foundation, according to experimentation and result simultaneously to be favorable to improving the fire safety performance of internal relevant product, make it and international orbit graft.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. The smoke-proof performance detection device for door products is characterized by comprising a structure main body, an airflow supply device, an installation frame, a heat exchanger, a gas processing plate, a sensor assembly for measuring pressure and temperature and a spoiler;
the structure main body is a box body with an opening at one side; the gas flow supply device is connected with the structure body and used for providing stable circulating gas; the mounting frame is mounted on the opening of the structure main body and used for mounting a test piece;
the air flow supply device comprises a pressure fan, a flowmeter and an air circulation fan, wherein the flowmeter is connected between the pressure fan and the structural body through a pressure pipeline; the gas circulating fan is arranged in the structure main body, and the gas circulating fan and the heat exchanger are arranged between the structure main body and the gas processing plate.
2. The smoke protection performance testing device for door type products as claimed in claim 1, wherein said gas processing plate comprises a fixed plate and a retractable plate, the fixed plate is fixed on the rear wall of the structural body by a positioning rod, and the retractable plate is slidably disposed on the fixed plate.
3. The smoke protection performance testing apparatus of claim 2, wherein said spoiler is disposed on an inner wall of said outer structural body of said gas processing plate.
4. The smoke protection performance detection device for door products as claimed in claim 3, wherein said spoiler comprises a spoiler fixed plate and a spoiler auxiliary plate, said spoiler fixed plate is fixed on the inner wall of said main body, and said spoiler auxiliary plate is slidably mounted on said spoiler fixed plate.
5. The smoke protection performance detection device for door products according to claim 1, wherein the wall of the structure body is respectively a steel plate, a fireproof plate, high temperature resistant fiber cotton and a fireproof plate from outside to inside.
6. The smoke protection performance testing apparatus of claim 1, wherein said heat exchanger is a hot wire.
7. The smoke protection performance detection device of a door type product of claim 1, wherein said sensor assembly comprises an air pressure sensor and a thermocouple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021410424.2U CN213068094U (en) | 2020-07-17 | 2020-07-17 | Smoke-proof performance detection device for door products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021410424.2U CN213068094U (en) | 2020-07-17 | 2020-07-17 | Smoke-proof performance detection device for door products |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213068094U true CN213068094U (en) | 2021-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021410424.2U Active CN213068094U (en) | 2020-07-17 | 2020-07-17 | Smoke-proof performance detection device for door products |
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|---|---|
| CN (1) | CN213068094U (en) |
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- 2020-07-17 CN CN202021410424.2U patent/CN213068094U/en active Active
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