CN110411683A - A kind of leakage cigarette test macro and its test method - Google Patents
A kind of leakage cigarette test macro and its test method Download PDFInfo
- Publication number
- CN110411683A CN110411683A CN201910822713.9A CN201910822713A CN110411683A CN 110411683 A CN110411683 A CN 110411683A CN 201910822713 A CN201910822713 A CN 201910822713A CN 110411683 A CN110411683 A CN 110411683A
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- leakage
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- 238000012360 testing method Methods 0.000 title claims abstract description 133
- 235000019504 cigarettes Nutrition 0.000 title claims abstract description 26
- 238000010998 test method Methods 0.000 title claims abstract description 8
- 230000009970 fire resistant effect Effects 0.000 claims abstract description 21
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 239000010410 layer Substances 0.000 claims description 9
- 238000005485 electric heating Methods 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 229920000742 Cotton Polymers 0.000 claims description 4
- 239000011229 interlayer Substances 0.000 claims description 4
- 238000004321 preservation Methods 0.000 claims description 4
- 238000011897 real-time detection Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 238000004088 simulation Methods 0.000 abstract description 3
- 239000000779 smoke Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 7
- 230000006837 decompression Effects 0.000 description 2
- 238000007914 intraventricular administration Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses a kind of leakage cigarette test macro and its test methods, including the test cabinet for test, it is set to the indoor heating device of test, it is set to the pressure sensor on test cabinet wall and for detecting test room pressure, it is set to the indoor temperature sensor of test, and the air blower being set to outside test cabinet；Wherein, air blower is connected with gas flowmeter and the first solenoid valve in turn by pipeline, and the first solenoid valve is connected by pipeline with test cabinet, and gas flowmeter and the first solenoid valve are parallel with exhaust line, and exhaust line is equipped with second solenoid valve.The present invention passes through in test one stable high temperature and high pressure environment of indoor simulation, and it records in interval of time, when keeping identical high temperature and high pressure environment, the difference of flow on gas flowmeter, and with the difference divided by interval time, the leakage rate of gas in the unit time is obtained, thus the equivalent leakage smoke for obtaining fire resistant doorsets.
Description
Technical field
The present invention relates to technical field of fire safety, and in particular to a kind of leakage cigarette test macro and its test method.
Background technique
Fire-fighting be guarantee people's safety of life and property important means, in building, in order to avoid fire dangerous situation into
The sprawling on one step ground, it is necessary to fire resistant doorsets are installed in passage, to completely cut off the further sprawling of fire dangerous situation, and it is fiery
It is exactly smog caused by fire that calamity dangerous situation, which causes damages maximum, and therefore, the fire-fighting fire-proof door installed in building just needs
It will be well every cigarette effect.In order to guarantee that the fire-fighting fire-proof door of installation has well every cigarette effect, it is necessary to fire resistant doorsets
It is tested every cigarette effect, it is therefore desirable to which those skilled in the art design the leakage cigarette test macro of a set of fire resistant doorsets.
Summary of the invention
The technical problem to be solved by the present invention is providing a kind of leakage cigarette test macro and its test method, fire resistant doorsets are realized
Every the test of cigarette effect, the fire resistant doorsets not met every cigarette requirement are filtered out, guarantee that fire resistant doorsets effectively every cigarette effect, prevent fire
The further sprawling of dangerous situation reduces personnel and property loss caused by fire.
To achieve the above object, The technical solution adopted by the invention is as follows:
A kind of leakage cigarette test macro is set to the indoor heating device of test including the test cabinet for test, if
It is placed in the pressure sensor on the test cabinet wall and for detecting the test room pressure, is set in the test cabinet
Temperature sensor, and the air blower being set to outside the test cabinet；Wherein, the air blower is connected in turn by pipeline
Gas flowmeter and the first solenoid valve, first solenoid valve are connected by pipeline with the test cabinet, the gas flow
Meter and first solenoid valve are parallel with exhaust line, and the exhaust line is equipped with second solenoid valve.
Further, it in order to guarantee the being consistent property of temperature everywhere in test cabinet, is additionally provided with and follows outside the test cabinet
Ring blower, the inlet and outlet of the circulating fan pass through the bottom and top that pipeline is connected to the test cabinet respectively.
Further, the first support for installing the heating device, the heating dress are additionally provided in the test cabinet
Set the multilayer electric heating sheets including being set in the first support.
Further, the second support for installing the temperature sensor, and the temperature are additionally provided in shown test cabinet
Degree sensor is provided with multiple on the vertical direction of the second support.
Preferably, the test cabinet is the confined space structure that double-deck steel plate is welded, and in its double-layer plate
Heat-preservation cotton is filled in hollow interlayer.
The present invention also provides the test methods of leakage cigarette test macro, comprising the following steps:
S1: the fire resistant doorsets for testing leakage will be needed to be sealingly mounted on the wall of test cabinet；
S2: starting air blower is pumped into gas into test cabinet, tests its pressure by pressure sensor, make in test cabinet
Pressure reach preset value, and keep stable；
S3: starting electric heating sheets heat test indoor gas, test its temperature by temperature sensor, make to survey
Examination indoor gas temperature reaches preset value, and keeps stable；
S4: indoor pressure and temperature value to be tested is kept after stablizing, and beginning timing is T1, meanwhile, read gas at this time
Numerical value Q1 on flowmeter body；
S5: after timing for a period of time, timing time T2, meanwhile, read numerical value Q2 at this time on gas flowmeter；
S6: the numerical value Q2 in step S5 on gas flowmeter subtracts the numerical value Q1 of gas flowmeter in step S4, obtains gas
The difference of body flow, with the difference divided by time interval, i.e. T2 subtracts T1, obtains the leakage rate of fire resistant doorsets.
It further,, will be in test cabinet using circulating fan when carrying out gas heating in test cabinet in the step S3
The space of upper and lower part recycled, and multiple temperature by being arranged on vertical direction in second support in test cabinet pass
Temperature in sensor real-time detection test cabinet at different height guarantees described indoor temperature homogeneous phase of test etc..
Compared with prior art, the invention has the following advantages:
(1) present invention will test indoor simulation into the environment of high pressure by the air blower of setting, pass through setting for heating device
Indoor simulation will be tested into the environment of high temperature, when effectively simulating fire generation, high temperature and pressure caused by confined space by setting
Environment, meanwhile, the simulated environment under same parameters is kept, the flow of gas in a period of time is detected by gas flowmeter to count
The leakage rate for calculating test cabinet, since test cabinet is the confined space being welded by steel plate, gas can only be tested from being mounted on
It is leaked at fire resistant doorsets on the wall of room, therefore the leakage of fire resistant doorsets can be substituted by calculating the leakage rate of entire test cabinet
Amount realizes the test of fire resistant doorsets leakage cigarette cleverly by the setting of test cabinet.
(2) the confined space structure that test cabinet of the invention is welded by double-deck steel plate, and in its double-layer plate
It is filled with heat-preservation cotton in hollow interlayer, effectively reduces the outside transmission efficiency of heat inside test cabinet, improves test
The heat insulation effect of room improves test cabinet and keeps the stability of temperature constant state, while also reducing the consumption of the energy.
(3) test cabinet of the invention is followed the gas for testing indoor top and bottom by the circulating fan of setting
Ring ensure that test indoor top and bottom temp are consistent, improve the analog rate of hot environment in test cabinet, simultaneously
Also the accuracy of leakage cigarette test is improved.
(4) the indoor temperature sensor of test of the invention is provided with multiple on the bracket vertical direction of setting, can be with
The temperature of different height gas in test cabinet is tested out, is the adjusting of circulating fan, makes being consistent property of test cabinet room temperature,
Provide the foundation of science.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention.
Wherein, the corresponding title of appended drawing reference are as follows:
1- test cabinet, 2- pressure sensor, 3- air blower, 4- gas flowmeter, the first solenoid valve of 5-, 6- exhaust line,
7- second solenoid valve, 8- circulating fan, 9- fire resistant doorsets.
Specific embodiment
The invention will be further described with embodiment for explanation with reference to the accompanying drawing, and mode of the invention includes but not only limits
In following embodiment.
As shown in Figure 1:
A kind of leakage cigarette test macro, for detecting the leakage cigarette effect of fire resistant doorsets 9, specific structure includes the survey for test
Room 1 is tried, test cabinet 1 is the confined space that double-deck steel plate is welded, and is filled in the hollow interlayer of its double-layer plate
There is heat-preservation cotton, high temperature and high pressure environment when occurring for simulated fire dangerous situation.
There are two brackets, i.e. first support and second support for the interior setting of test cabinet 1, wherein first support adds for installing
Thermal, meanwhile, first support be arranged layered structure, heating device be sheet electric heating sheets, electric heating sheets have it is multiple,
And each layer of the layer structure of first support is mounted with electric heating sheets, forms the Multi-layer warming mode on vertical；Second
Erection is set to columnar clothes rack structure form, and multiple temperature are fixedly installed in the different height on the vertical direction of second support
Sensor, to detect the temperature of different height in test cabinet, in order to keep gas in test cabinet 1 in the temperature of different height
It is identical, circulating fan 8 is set outside test cabinet 1, and so that the inlet and outlet of circulating fan 8 is respectively communicated with test by pipeline
The bottom and top of room 1, when circulating fan starts, guarantee can be recycled the gas in test cabinet between bottom and top layer
Circulation, makes the being consistent property of temperature of gas at different height in test cabinet.
The outside of test cabinet 1 be equipped with air blower 3 and circulating fan 8, air blower 3 using can positive and negative rotation air blower, be used for
To gas decompression in air blast pressurization in test cabinet or suction test cabinet, simulated environment in constant hyperbaric chamber is created.Air blower 3
It is parallel with two pipelines and is connected with test cabinet 1, a pipeline is air blast pipeline, to test cabinet 1 when rotating forward for air blower
Interior air blast pressurization；Another is exhaust line 6, gas decompression when for air blower reversion in suction test cabinet 1.Air blast pipeline
On be successively arranged gas flowmeter 4 and the first solenoid valve 5, gas flowmeter 4 is used to detect the gas flow for passing through air blast pipeline,
On-off of first solenoid valve 5 for air blast pipeline controls；Second solenoid valve 7 is set on exhaust line 6, for controlling exhaust pipe
The on-off of line 6.Wherein, when air blower rotating forward is suppressed, the first solenoid valve 5 is opened, and second solenoid valve 7 is closed, when in test cabinet
When pressure is more than preset value, air blower reversion, the first solenoid valve 5 is closed, and second solenoid valve 7 is opened, and pumps out test Indoor Air
Body, reduce test room pressure, make test intraventricular pressure try hard to keep keep steady it is qualitative, create a constant high pressure environment.
When the leakage cigarette for being carried out fire resistant doorsets using test cabinet is tested, fire resistant doorsets to be tested will be needed first, will be sealingly mounted at
On the wall of test cabinet, since test cabinet is the confined space being welded by steel plate, gas can only be from being mounted on test cabinet
It is leaked at fire resistant doorsets on wall, therefore the leakage rate of fire resistant doorsets can be substituted by calculating the leakage rate of entire test cabinet,
Its specific operating procedure is as follows:
Firstly, starting air blower, gas is pumped into test cabinet, its pressure is tested by pressure sensor, makes test cabinet
Interior pressure reaches preset value, and keeps stable；Its concrete methods of realizing are as follows: air blower rotating forward is suppressed, and the first solenoid valve 5 is beaten
It opens, second solenoid valve 7 is closed, and when testing room pressure more than preset value, air blower reversion, the first solenoid valve 5 is closed, and second
Solenoid valve 7 is opened, and pumps out test indoor gas, reduces test room pressure, is made to test intraventricular pressure and is tried hard to keep the fixed high pressure that keeps steady
Environment.
Secondly, starting electric heating sheets, heat test indoor gas, test its temperature by temperature sensor, make
Gas temperature reaches preset value in test cabinet, and keeps stable；Heating when, start circulating fan, make test building overlay and
The gas circulation of bottom, the mixing uniformity of accelerated test indoor gas temperature guarantee that the temperature of each layer in testing is kept
Consistency.
Third, indoor pressure and temperature value to be tested are kept after stablizing, beginning timing, time T1, meanwhile, it reads
Numerical value Q1 on gas flowmeter at this time.
4th, after timing for a period of time, timing time T2, meanwhile, read numerical value Q2 at this time on gas flowmeter.
5th, the numerical value Q2 on the gas flowmeter of second of reading is subtracted to the number of the gas flowmeter read for the first time
Value Q1 obtains the difference of gas flow, and with the difference divided by time interval, i.e. T2 subtracts T1, and the leakage of fire resistant doorsets is calculated
Amount.
Above-described embodiment is only one of the preferred embodiment of the present invention, should not be taken to limit protection model of the invention
It encloses, as long as that in body design thought of the invention and mentally makes has no the change of essential meaning or polishing, is solved
The technical issues of it is still consistent with the present invention, should all be included within protection scope of the present invention.
Claims (7)
1. a kind of leakage cigarette test macro, it is characterised in that: including the test cabinet (1) for test, be set to the test cabinet (1)
Interior heating device is set to the pressure sensing on the test cabinet (1) wall and for detecting the test cabinet (1) interior pressure
Device (2), the temperature sensor being set in the test cabinet (1), and it is set to the air blower (3) of the test cabinet (1) outside；
Wherein, the air blower (3) is connected with gas flowmeter (4) and the first solenoid valve (5), first electromagnetism in turn by pipeline
Valve (5) is connected by pipeline with the test cabinet (1), and the gas flowmeter (4) and first solenoid valve (5) are parallel with
Exhaust line (6), the exhaust line (6) are equipped with second solenoid valve (7).
2. a kind of leakage cigarette test macro according to claim 1, it is characterised in that: be additionally provided with and follow outside the test cabinet (1)
Ring blower (8), the inlet and outlet of the circulating fan (8) pass through bottom and top that pipeline is connected to the test cabinet (1) respectively
Portion.
3. a kind of leakage cigarette test macro according to claim 1 or 2, it is characterised in that: be additionally provided in the test cabinet (1)
For installing the first support of the heating device, the heating device includes that the multilayer electricity being set in the first support adds
Backing.
4. a kind of leakage cigarette test macro according to claim 3, it is characterised in that: be additionally provided with use in shown test cabinet (1)
In the second support for installing the temperature sensor, and the temperature sensor is arranged on the vertical direction of the second support
Have multiple.
5. a kind of leakage cigarette test macro according to claim 1 or 4, it is characterised in that: the test cabinet (1) is double-deck
The confined space structure that steel plate is welded, and heat-preservation cotton is filled in the hollow interlayer of its double-layer plate.
6. a kind of test method of leakage cigarette test macro as described in Claims 1 to 5, it is characterised in that: the following steps are included:
S1: the fire resistant doorsets for testing leakage will be needed to be sealingly mounted on the wall of test cabinet；
S2: starting air blower is pumped into gas into test cabinet, tests its pressure by pressure sensor, makes to test indoor pressure
Power reaches preset value, and keeps stable；
S3: starting electric heating sheets heat test indoor gas, test its temperature by temperature sensor, make test cabinet
Interior gas temperature reaches preset value, and keeps stable；
S4: indoor pressure and temperature value to be tested is kept after stablizing, and beginning timing is T1, meanwhile, read gas stream at this time
Numerical value Q1 on meter；
S5: after timing for a period of time, timing time T2, meanwhile, read numerical value Q2 at this time on gas flowmeter；
S6: the numerical value Q2 in step S5 on gas flowmeter subtracts the numerical value Q1 of gas flowmeter in step S4, obtains gas stream
The difference of amount, with the difference divided by time interval, i.e. T2 subtracts T1, obtains the leakage rate of fire resistant doorsets.
7. a kind of test method for leaking cigarette test macro according to claim 6, it is characterised in that: in the step S3,
When carrying out gas heating in test cabinet, the space for testing indoor upper and lower part is recycled using circulating fan, and
Pass through different height in multiple temperature sensor real-time detection test cabinets for being arranged on vertical direction in second support in test cabinet
The temperature at place guarantees described indoor temperature homogeneous phase of test etc..
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910822713.9A CN110411683A (en) | 2019-09-02 | 2019-09-02 | A kind of leakage cigarette test macro and its test method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910822713.9A CN110411683A (en) | 2019-09-02 | 2019-09-02 | A kind of leakage cigarette test macro and its test method |
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| Publication Number | Publication Date |
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| CN110411683A true CN110411683A (en) | 2019-11-05 |
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| CN201910822713.9A Pending CN110411683A (en) | 2019-09-02 | 2019-09-02 | A kind of leakage cigarette test macro and its test method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110987307A (en) * | 2019-11-11 | 2020-04-10 | 首钢环境产业有限公司 | Method for detecting airtightness of garbage storage |
| CN111024315A (en) * | 2019-12-24 | 2020-04-17 | 山东和富工程检测有限公司 | Automatic testing device for smoke-proof performance of fireproof door |
| CN111854857A (en) * | 2020-07-17 | 2020-10-30 | 应急管理部消防产品合格评定中心 | Method for testing smoke leakage amount of fireproof and smoke-proof safety door |
| CN112326149A (en) * | 2020-10-31 | 2021-02-05 | 江苏华洋新思路能源装备股份有限公司 | Large-scale high temperature gas tightness test device |
| CN113916309A (en) * | 2021-11-03 | 2022-01-11 | 中船黄埔文冲船舶有限公司 | Air leakage detection device for ship and use method thereof |
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| CN207133139U (en) * | 2017-09-01 | 2018-03-23 | 公安部四川消防研究所 | A kind of fire resistant doorsets heatproof experimental rig of pressure adjustable |
| CN109032205A (en) * | 2018-06-20 | 2018-12-18 | 郑州轻工业学院 | A kind of controllable temperature tobacco control fire field environmental simulation experimental rig |
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| CN207133139U (en) * | 2017-09-01 | 2018-03-23 | 公安部四川消防研究所 | A kind of fire resistant doorsets heatproof experimental rig of pressure adjustable |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110987307A (en) * | 2019-11-11 | 2020-04-10 | 首钢环境产业有限公司 | Method for detecting airtightness of garbage storage |
| CN110987307B (en) * | 2019-11-11 | 2022-03-15 | 首钢环境产业有限公司 | Method for detecting airtightness of garbage storage |
| CN111024315A (en) * | 2019-12-24 | 2020-04-17 | 山东和富工程检测有限公司 | Automatic testing device for smoke-proof performance of fireproof door |
| CN111024315B (en) * | 2019-12-24 | 2024-04-26 | 山东和富工程检测有限公司 | Automatic test device for smoke prevention performance of fireproof door |
| CN111854857A (en) * | 2020-07-17 | 2020-10-30 | 应急管理部消防产品合格评定中心 | Method for testing smoke leakage amount of fireproof and smoke-proof safety door |
| CN112326149A (en) * | 2020-10-31 | 2021-02-05 | 江苏华洋新思路能源装备股份有限公司 | Large-scale high temperature gas tightness test device |
| CN113916309A (en) * | 2021-11-03 | 2022-01-11 | 中船黄埔文冲船舶有限公司 | Air leakage detection device for ship and use method thereof |
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