CN202066575U - High-temperature resistant weighbridge for measuring burning rate of combustibles - Google Patents
High-temperature resistant weighbridge for measuring burning rate of combustibles Download PDFInfo
- Publication number
- CN202066575U CN202066575U CN2011201657525U CN201120165752U CN202066575U CN 202066575 U CN202066575 U CN 202066575U CN 2011201657525 U CN2011201657525 U CN 2011201657525U CN 201120165752 U CN201120165752 U CN 201120165752U CN 202066575 U CN202066575 U CN 202066575U
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- weighbridge
- ground weigher
- main body
- shell
- ground
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Abstract
The utility model belongs to the technical field of fire-fighting, in particular to a high-temperature resistant weighbridge for measuring the burning rate of combustibles. The weighbridge consists of a main weighbridge body, a weighbridge shell, weight sensors, a leveling pivot, an R232 data line, a power line and a display, wherein the leveling pivot is arranged below the main weighbridge body; the weight sensors are arranged at four corners in the main weighbridge body; a fireproof coating is coated on the weighbridge shell; the weighbridge shell is sleeved above the main weighbridge body; the four corners of the weighbridge shell are contacted with the four weight sensors; a water tank is arranged in the main weighbridge body; water is filled in the water tank to isolate the heat; the display is connected with a 220V power supply through a power line; and pressure signals measured by the weight sensors are inputted to a computer through the R232 data line. The device has a simple structure, is convenient in calculation, is free from the limitation of the laboratory conditions and the fire source power, and is applicable to measure the burning rate of the large combustibles in the engineering application.
Description
Technical field
The utility model belongs to the fire prevention field, as the important component part of combustible ignition quality measurement mechanism, is specifically related to a kind of resistant to elevated temperatures apparatus for measuring quality.
Background technology
Burning things which may cause a fire disaster combustion rate, thermal power are the major parameters of fire test.Mass loss rate in the quantitative measurment combustible combustion process, the acquisition test data are analyzed its ignition quality in real time, and are significant to fire test.
The method of measuring at present the thermal power of combustible in the world mainly is to adopt the taper calorimeter.This calorimeter calculates thermal power by measuring oxygen utilization and smoke components, laboratory and experiment condition there is strict requirement, calculation of complex, the cost height, the fire source power that can survey is less, be mainly used in the fire research in the testing laboratory, can't realize measuring, also can't realize the measurement under the wind condition for the combustion rate and the thermal power of large-scale actual scene of fire.Also having a kind of method is by measuring the combustion rate of combustible, mass loss rate just, by of the variation of the mass loss rate of measurement combustible in combustion process, draw the important ignition qualities of combustible such as combustible burning rate, HRR, hot merit with burning time.But the apparatus structure that this method is used is comparatively complicated, and the experiment condition restriction is big.
Summary of the invention
The purpose of this utility model is to provide a kind of apparatus structure simple, convenience of calculation, and it is little limited by laboratory condition, fire source power, is applicable in the engineering application to carry out the test unit that large-scale combustible burning rate is measured.
The test unit that the combustible burning rate that the utility model provides is measured, but form by on-ground weigher main body 1, on-ground weigher shell 2, weight sensor 3 leveling fulcrums 4, R232 data line 8, power lead 9, display instrument 10.Its structure such as Fig. 1--shown in Figure 3.This test unit can show measurement data in real time by Displaying Meter, simultaneously measurement data is transferred to terminal device (computer), the data of real time record storage of collected time and measurement.
In the utility model, on-ground weigher main body 1 directly is positioned on the ground, but leveling fulcrum 4 is arranged at the below of on-ground weigher main body 1, is used to regulate the level of on-ground weigher main body; Weight sensor 3 is positioned over 4 edges in the on-ground weigher main body 1, is used to measure combustible mass; On-ground weigher shell 2 scribbles frie retardant coating, is enclosed within the top of on-ground weigher main body, and its 4 jiaos contact with 4 weight sensors 3; Be provided with tank 6 in the on-ground weigher main body, be contained with water in the tank 6, play heat-blocking action, the on-ground weigher main body is provided with water drain valve 7 and outlet valve 5, and this water drain valve 7 and outlet valve 5 communicate with tank 6 respectively; During measurement, flow into cold water from water drain valve 7, outlet valve 5 flows out hot water, makes the temperature of weight sensor 3 can not surpass its temperature resistant range; Display instrument connects the 220V power supply by power lead 9; R232 data line 8 links to each other with computer by the R232 socket of computer; The pressure signal that weight sensor 3 records is input to computer by R232 data line 8.
During measurement, the R232 data line is linked on the R232 socket of computer, power lead is inserted on the 220V power supply, presses the on ﹠ off switch on the display instrument, presses the zero setting key on the display instrument, with on-ground weigher zero setting; Object to be measured is positioned over on-ground weigher shell top, opens the data acquisition system (DAS) of computer during measurement; The Measuring Object of igniting, the signal that weight sensor records is transferred to computer by the R232 data line, by the data acquisition system (DAS) recording storage.When the temperature of measuring is higher, open water drain valve, water pipe links to each other with water swivel, slowly flows into cold water from water drain valve; Open outlet valve, cooled hot water is flowed out through outlet valve.
The utility model is simple in structure, convenience of calculation, and it is little limited by laboratory condition, fire source power, is highly suitable for carrying out in the engineering application measurement of large-scale combustible burning rate.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is STRUCTURE DECOMPOSITION figure of the present utility model.Wherein, last figure is a side view, and figure below is a vertical view.
Embodiment
Further specify as follows below in conjunction with drawings and Examples:
The test unit that combustible burning rate of the present utility model is measured, but comprise on-ground weigher main body 1, on-ground weigher shell 2, weight sensor 3 leveling fulcrums 4, outlet valve 5, tank 6, water drain valve 7, R232 data line 8, power lead 9, display instrument 10.Its structure such as Fig. 1--shown in Figure 3.On-ground weigher main body 1 directly is positioned on the ground, but 4 leveling fulcrums 4 are arranged at the below of on-ground weigher main body 1, is used to regulate the level of on-ground weigher main body 1; 4 weight sensors 3 are positioned over 4 edges in the on-ground weigher main body 1, are used to measure combustible mass, and measurement range is 0-300kg, and precision ± 2g can be high temperature resistant 120 ℃; The pressure signal that weight sensor 3 records is input to computer system by R232 data line 8; On-ground weigher shell 2 scribbles frie retardant coating, and the wide 1.2m of long 1.2m* is enclosed within the top of on-ground weigher main body 1, and its 4 jiaos contact with 4 weight sensors 3; Be provided with tank 6 in the on-ground weigher main body 1, be placed with water in the tank 6, play heat-blocking action, on-ground weigher main body 1 edge is provided with water drain valve 7 and outlet valve 5, communicates with tank 6 respectively; During measurement, flow into cold water from water drain valve 7, outlet valve 5 flows out hot water, makes the temperature of weight sensor 3 can not surpass its temperature resistant range; Display instrument 10 connects the 220V power supply by power lead 9.Display instrument 10 is provided with on ﹠ off switch and zero setting key, and on ﹠ off switch is used for the opening and closing of display instrument 10, and the zero setting key is used for on-ground weigher zero setting.R232 data line 8 links to each other with computer by the R232 socket of computer.High temperature resistant on-ground weigher can be high temperature resistant more than 1000 ℃.
This on-ground weigher can have 2 kinds of reading modes, promptly by the display instrument reading with by the computer reading.
By the display instrument reading: power lead 9 is inserted on the 220V power supply, presses the on ﹠ off switch on the display instrument, press the zero setting key on the display instrument, with on-ground weigher zero setting, the object that needs are weighed is positioned on the on-ground weigher, after 10 seconds, carries out reading after the data stabilization on the instrument to be shown.
By the computer reading: R232 data line 8 is linked on the R232 socket of computer, power lead 9 is inserted on the 220V power supply, press the on ﹠ off switch on the display instrument, press the zero setting key on the display instrument, with on-ground weigher zero setting, the object that needs are weighed is positioned on the on-ground weigher, starts the data acquisition software on the computer, begins to read and storage of measurement data.
Claims (1)
1. one kind is used for the high temperature resistant on-ground weigher that combustible burning rate is measured, it is characterized in that by on-ground weigher main body (1), on-ground weigher shell (2), weight sensor (3) but leveling fulcrum (4), R232 data line (8), power lead (9), display instrument (10) are formed; Wherein, on-ground weigher main body (1) directly is positioned on the ground, but leveling fulcrum (4) is arranged at the below of on-ground weigher main body (1), the level that is used to regulate on-ground weigher main body (1); Weight sensor (3) is positioned over 4 edges in the on-ground weigher main body (1), is used to measure combustible mass; On-ground weigher shell (2) scribbles frie retardant coating, is enclosed within the top of on-ground weigher main body (1), and its 4 jiaos contact with 4 weight sensors (3); Be provided with tank (6) in the on-ground weigher main body (1), tank is contained with water in (6), and on-ground weigher main body (1) is provided with water drain valve (7) and outlet valve (5), and this water drain valve (7) and outlet valve (5) communicate with tank (6) respectively; Display instrument connects the 220V power supply by power lead (9); R232 data line (8) links to each other with computer by the R232 socket of computer; The pressure signal that weight sensor (3) records is input to computer by R232 data line (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201657525U CN202066575U (en) | 2011-05-23 | 2011-05-23 | High-temperature resistant weighbridge for measuring burning rate of combustibles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201657525U CN202066575U (en) | 2011-05-23 | 2011-05-23 | High-temperature resistant weighbridge for measuring burning rate of combustibles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202066575U true CN202066575U (en) | 2011-12-07 |
Family
ID=45060436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201657525U Expired - Lifetime CN202066575U (en) | 2011-05-23 | 2011-05-23 | High-temperature resistant weighbridge for measuring burning rate of combustibles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202066575U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105606648A (en) * | 2016-03-07 | 2016-05-25 | 公安部四川消防研究所 | Portable fire disaster test heat release rate measuring device |
| CN105929103A (en) * | 2016-04-18 | 2016-09-07 | 中国石油化工股份有限公司 | Device and method for measuring combustion speed of combustible liquids |
-
2011
- 2011-05-23 CN CN2011201657525U patent/CN202066575U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105606648A (en) * | 2016-03-07 | 2016-05-25 | 公安部四川消防研究所 | Portable fire disaster test heat release rate measuring device |
| CN105929103A (en) * | 2016-04-18 | 2016-09-07 | 中国石油化工股份有限公司 | Device and method for measuring combustion speed of combustible liquids |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111207 |