CN206300916U - A kind of high-power fire heat release rate test system - Google Patents
A kind of high-power fire heat release rate test system Download PDFInfo
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- CN206300916U CN206300916U CN201621428997.1U CN201621428997U CN206300916U CN 206300916 U CN206300916 U CN 206300916U CN 201621428997 U CN201621428997 U CN 201621428997U CN 206300916 U CN206300916 U CN 206300916U
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- heat release
- release rate
- rate test
- test system
- gas
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- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The utility model provides a kind of high-power fire heat release rate test system, including combustion system, measuring system, control system, and the measuring system includes thermocouple, bi-directional probing probe, differential pressure gauge, Laser emission/receiver, gas sampling probe；The control system includes data acquisition controller, operation terminal；Flue gas in the combustion system introduces flue by exhaust fume collecting hood, and in flue, the gas sampling probe connects gas analyzer for the thermocouple, bi-directional probing probe, differential pressure gauge, Laser emission/receiver, gas sampling probe；The thermocouple, bi-directional probing probe, differential pressure gauge, Laser emission/receiver connection data acquisition controller, the data acquisition controller attended operation terminal.A kind of high-power fire heat release rate test system described in the utility model, can be applied to the heat release rate testing to tunnel fire hazard.
Description
Technical field
The utility model belongs to fire hazard thermal release testing field, is surveyed more particularly, to a kind of high-power fire heat release rate
Test system.
Background technology
In recent years, with the construction of urban three-dimensional transportation network network, all kinds of city tunnels, subway, transport hub synthesis etc.
Architectural engineering is more and more, the features such as newly built tunnels are often presented overlength, longitudinal multilevel access, stereochemical structure and complicate.Due to
Tunnel space is narrow and small；Fire heat release rate is fast；Poisonous gas concentration is high, fire scale is big, temperature rise is fast, fire and smoke spread is rapid；
, Evacuation difficulty big serious to structure destruction, casualties and economic loss are serious, in addition its both sides closing unique texture.
Based on above reason, once there is fire, " flue formula " burning is easily formed, the difficult discharge of smog, low visibility easily causes a large amount of cars
Personnel are stranded, and cause huge injury.
Therefore, traffic tunnel fire, flue gas characteristic need to be carried out and spreads the research of the aspects such as rule, to fire under if tunnel conditions
Calamity heat emission characteistics carry out real yardstick measurement analysis, help to understand and grasp relevant tunnel, subway, transport hub synthesis in depth
Body fire characteristics, carry out the research to its fire and flue gas Control Technology.
The content of the invention
In view of this, the utility model is directed to a kind of high-power fire heat release rate test system, with to tunnel
Under the conditions of fire heat emission characteistics accurately measured, analyzed.
To reach above-mentioned purpose, what the technical solution of the utility model was realized in：
A kind of high-power fire heat release rate test system, including combustion system, measuring system, control system, it is described
Measuring system includes thermocouple, bi-directional probing probe, differential pressure gauge, Laser emission/receiver, gas sampling probe；The control
System processed includes data acquisition controller, operation terminal；
Flue gas in the combustion system introduces flue by exhaust fume collecting hood, the thermocouple, bi-directional probing probe, micro-
In flue, the gas sampling probe connection gas divides for difference gauge, Laser emission/receiver, gas sampling probe
Analyzer；
The thermocouple, bi-directional probing probe, differential pressure gauge, Laser emission/receiver connection data acquisition controller, institute
State data acquisition controller attended operation terminal.
Further, the combustion system includes mobile hoistable platform, sample food tray, weighing measurement unit, the title
Remeasurement unit connects data acquisition controller.
Further, the Laser emission/receiver includes LASER Light Source, optical signal receiver, the automatic calibration cartridge of light path
Put.
Further, the gas analyzer is 02Analyzer, C02Analyzer, C0 analyzers.
Further, the operation terminal is computer, and the computer is provided with Labview softwares.
Further, the thermocouple is armoured K-thermocouple.
Further, cooling de-watering device is provided between the gas sampling probe and gas analyzer.
Relative to prior art, a kind of high-power fire heat release rate test system described in the utility model have with
Lower advantage：Fire simulation experiment platform for tunnel is set up, development carries out measurement point in real time to the various parameters in fire process, scene
Analysis, helps fully to rest in fire behavior, the fire spread rule of big load comburant in restricted clearance, and accumulate dependency basis
Plinth database.
Brief description of the drawings
Fig. 1 is the test system structure schematic diagram described in the utility model embodiment；
Fig. 2 is the combustion system structural representation described in the utility model embodiment；
Fig. 3 is the measuring system structural representation described in the utility model embodiment；
Fig. 4 is the test philosophy figure of the laser measurement smoke density described in the utility model embodiment.
Specific embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the utility model can
To be mutually combined.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", D score,
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description, rather than instruction
Or imply that the device or element of meaning with specific orientation, with specific azimuth configuration and operation, therefore must not be understood that
It is to limitation of the present utility model.Additionally, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicating
Or imply relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, " first ", " second " etc. are defined
Feature can express or implicitly include one or more this feature.In description of the present utility model, unless separately
It is described, " multiple " is meant that two or more.
, it is necessary to explanation, unless otherwise clearly defined and limited, term " is pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integratedly
Connection；Can mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary,
Can be two connections of element internal.For the ordinary skill in the art, can be by concrete condition understanding
State concrete meaning of the term in the utility model.
Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
As shown in figure 1, a kind of high-power fire heat release rate test system, including combustion system, measuring system, control
System, the measuring system includes that thermocouple, bi-directional probing probe, differential pressure gauge, Laser emission/receiver, gas sample are visited
Head；The control system includes data acquisition controller, operation terminal；
Flue gas in the combustion system introduces flue by exhaust fume collecting hood, the thermocouple, bi-directional probing probe, micro-
In flue, the gas sampling probe connection gas divides for difference gauge, Laser emission/receiver, gas sampling probe
Analyzer；
The thermocouple, bi-directional probing probe, differential pressure gauge, Laser emission/receiver connection data acquisition controller, institute
State data acquisition controller attended operation terminal.
Wherein, the combustion system block diagram is as shown in Fig. 2 including mobile hoistable platform, sample food tray, weighing measurement list
Unit, the weighing measurement unit connects data acquisition controller.The weighing measurement is made up of pit scale, by mobile platform and
Sample food tray is placed on weighbridge, constitutes a weighing system, can in real time measure the mass loss rate of sample.The present embodiment
In, the size of sample food tray：Diameter 10M, height 50mm, material SUS304, hold release 50MW heats when being used to meet experiment
Sample.
During the utility model is implemented, the theory diagram of test system as shown in figure 3, the main temperature for including measurement gas,
Flow velocity, pressure difference, concentration and smoke density, thermocouple measuring temperature；Popped one's head in by bi-directional probing and differential pressure gauge is combined, measurement
The flow velocity and pressure difference of gas；Combined by gas sampling probe and analyzer, measure gas concentration；Surveyed by laser photoelectricity system
Amount smoke density.
Wherein, the Laser emission/receiver includes LASER Light Source, optical signal receiver, light path self-checking device.Cigarette
Density photoeletric measuring system is a branch of to be used as reference as shown in figure 4, LASER Light Source is divided into two beams by beam splitter (spectroscope)
Value, another beam is used for radiating, and to measure smoke density, the method is referred to as " transmitting laser scattering method ".In order to ensure connecing for optical signal
Stabilization is received, while in order to verify the stabilization of optical path signal with linearly, system can carry out optical path signal equipped with neutral optical filtering
Calibration.
Wherein, the gas analyzer is 02Analyzer, C02Analyzer, C0 analyzers.
Wherein, the operation terminal is computer, and the computer is provided with Labview softwares.
Wherein, the thermocouple is armoured K-thermocouple.Using 3 armoured K-thermocouples of a diameter of 1.5mm, detection
The temperature change in composite measurement area, calculating is compensated by temperature data acquisition to control system.
Wherein, cooling de-watering device is provided between the gas sampling probe and gas analyzer.
Preferred embodiment of the present utility model is the foregoing is only, is not used to limit the utility model, it is all at this
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc. should be included in the utility model
Protection domain within.
Claims (7)
1. a kind of high-power fire heat release rate test system, it is characterised in that：Including combustion system, measuring system, control
System, the measuring system includes that thermocouple, bi-directional probing probe, differential pressure gauge, Laser emission/receiver, gas sample are visited
Head；The control system includes data acquisition controller, operation terminal；
Flue gas in the combustion system introduces flue, the thermocouple, bi-directional probing probe, differential pressure by exhaust fume collecting hood
In flue, the gas sampling probe connects gas analyzer for meter, Laser emission/receiver, gas sampling probe；
The thermocouple, bi-directional probing probe, differential pressure gauge, Laser emission/receiver connection data acquisition controller, the number
According to acquisition controller attended operation terminal.
2. a kind of high-power fire heat release rate test system according to claim 1, it is characterised in that：The burning
System includes mobile hoistable platform, sample food tray, weighing measurement unit, and the weighing measurement unit connects data acquisition control
Device.
3. a kind of high-power fire heat release rate test system according to claim 1, it is characterised in that：The laser
Emitting/receiving includes LASER Light Source, optical signal receiver, light path self-checking device.
4. a kind of high-power fire heat release rate test system according to claim 1, it is characterised in that：The gas
Analyzer is 02Analyzer, C02Analyzer, C0 analyzers.
5. a kind of high-power fire heat release rate test system according to claim 1, it is characterised in that：The operation
Terminal is computer, and the computer is provided with Labview softwares.
6. a kind of high-power fire heat release rate test system according to claim 1, it is characterised in that：The thermoelectricity
Even is armoured K-thermocouple.
7. a kind of high-power fire heat release rate test system according to claim 1, it is characterised in that：The gas
Cooling de-watering device is provided between sampling probe and gas analyzer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621428997.1U CN206300916U (en) | 2016-12-24 | 2016-12-24 | A kind of high-power fire heat release rate test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621428997.1U CN206300916U (en) | 2016-12-24 | 2016-12-24 | A kind of high-power fire heat release rate test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206300916U true CN206300916U (en) | 2017-07-04 |
Family
ID=59205396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621428997.1U Expired - Fee Related CN206300916U (en) | 2016-12-24 | 2016-12-24 | A kind of high-power fire heat release rate test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206300916U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108008083A (en) * | 2017-12-22 | 2018-05-08 | 南京工业大学 | Lithium ion battery pack thermal runaway automatic alarm based on gas monitoring and monitoring method thereof |
| CN108627538A (en) * | 2018-03-28 | 2018-10-09 | 武汉理工大学 | Full-scale ventilation restricted clearance burning heat release rate measurement method |
| CN114460134A (en) * | 2022-01-20 | 2022-05-10 | 广东省建筑材料研究院有限公司 | Detection device and detection method for evaluating flame retardant property of finishing type fireproof coating |
-
2016
- 2016-12-24 CN CN201621428997.1U patent/CN206300916U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108008083A (en) * | 2017-12-22 | 2018-05-08 | 南京工业大学 | Lithium ion battery pack thermal runaway automatic alarm based on gas monitoring and monitoring method thereof |
| CN108627538A (en) * | 2018-03-28 | 2018-10-09 | 武汉理工大学 | Full-scale ventilation restricted clearance burning heat release rate measurement method |
| CN108627538B (en) * | 2018-03-28 | 2020-01-31 | 武汉理工大学 | Method for measuring combustion heat release rate of full-size ventilation restricted space |
| CN114460134A (en) * | 2022-01-20 | 2022-05-10 | 广东省建筑材料研究院有限公司 | Detection device and detection method for evaluating flame retardant property of finishing type fireproof coating |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170704 Termination date: 20191224 |