CN2765187Y - A device for testing flame resistance performance of obstructing and flameproof materials - Google Patents
A device for testing flame resistance performance of obstructing and flameproof materials Download PDFInfo
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- CN2765187Y CN2765187Y CN 200520001544 CN200520001544U CN2765187Y CN 2765187 Y CN2765187 Y CN 2765187Y CN 200520001544 CN200520001544 CN 200520001544 CN 200520001544 U CN200520001544 U CN 200520001544U CN 2765187 Y CN2765187 Y CN 2765187Y
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Abstract
The utility model relates to a device for testing explosion prevention performance of obstructing and explosion proof materials, which comprises a flammable and explosive container positioned on a supporting frame. The flammable and explosive container is composed of three sections of flammable and explosive barrels and can be assembled sectionally, and thus, the flammable and explosive container is convenient for filling and disassembling the obstructing and explosion proof materials. The flammable and explosive container is connected with a propane gas bottle, an air compressing pump and an explosion testing ball. The bottom of the supporting frame is provided with a gas circulating pump which is connected in series with the flammable and explosive container and a flammable and explosive ball, besides, compared with the gas circulating pump with connection in parallel, the gas circulating pump has higher efficiency and better quality of mixing gases. The flammable and explosive container and the flammable and explosive ball are provided with high pressure spark plugs which are connected with a high pressure igniter, a pressure meter, a pressure sensor and a temperature sensor, and the pressure sensor and the temperature sensor are connected with a multipath automation data acquisition system by conducting wires. Because the test method provided by the utility model uses the multipath automation data acquisition system, the utility model overcomes the man induced defect, realizes quick acquisition, reliable data, high accuracy and little error, and raises testing precision.
Description
Technical field
The utility model relates to a kind of device of testing the explosion-proof performance of block blast-proof materials.Specifically, the utility model is the proving installation that fires surge pressure to block blast-proof materials.
Technical background
Intercepting explosion-proof technology is in the storage tank of inflammable, explosive danger product (as oil, rock gas etc.) block blast-proof materials to be housed, and prevents that danger product are subjected to the blast that mishaies such as naked light, static, collision, gunslinging cause.The key of this technology is to identify that block blast-proof materials quality and explosion-proof performance thereof should meet the specialized range that intercepts explosion-proof technology AQ standard, and its explosion-proof performance satisfies that to fire supercharging value≤0.14Mpa scope be specification product.Block blast-proof materials is to be drawn into netted or chondritic by aluminium alloy foil material through drawing machine.
The explosion-proof performance of block blast-proof materials is in explosive vessel, become the exploded gas of finite concentration and pressure with air mixed with specific inflammable gas, under original pressure and temperature one stable condition, via identical ignition energy with after identical sparking mode is lighted, determine original pressure that block blast-proof materials is not installed in the explosive vessel and the pressure that fires that block blast-proof materials is installed, explosion-proof performance is evaluated in the peak pressure increment that fires when calculating block blast-proof materials.
At present, above-mentioned testing apparatus and method are more coarse, and directly tensimeter and the thermometer changing value on the quick-fried container surveyed in the range estimation record, and error is bigger; Especially can not write down the instantaneous pressure peak value of exploded gas exactly, operating personnel are apart from surveying quick-fried container close together, and accident easily meets accident.
The utility model content
The purpose of this utility model is to provide a kind of device of testing the explosion-proof performance of block blast-proof materials, at explosive vessel with fire and be provided with gas circulation pump between the ball, can make all even original pressure unanimity of exploded gas concentration in the explosive vessel, and meet the condition of firing, satisfy test request, this explosive vessel segmentation assembling design is convenient to the loading and unloading of material.Adopt the robotization multi-path data acquiring system simultaneously, realize quick moment collection, data are reliable, accuracy is high, error is little.
Proving installation of the present utility model is such:
A kind of device of testing the explosion-proof performance of block blast-proof materials, comprise support, explosive vessel and fire ball, it is characterized in that explosive vessel is located on the support that is welded into by angle steel, propane cylinder is connected explosive vessel with air pressure pump by gas piping, and explosive vessel connects the quick-fried ball of examination by gas piping.Bottom at support is equipped with gas circulation pump, by gas piping and explosive vessel with fire the ball series connection.Tensimeter, pressure transducer, temperature sensor and high-tension spark plug are installed on explosive vessel, and pressure transducer and temperature sensor are connected with the robotization multi-path data acquiring system by lead, and high-tension spark plug connects isolating high-pressure ignitor.
Described explosive vessel by three sections fire the tube constitute, between connect by flange.Its internal diameter is that 300 millimeters, wall thickness are that 8 millimeters stainless-steel tube is made.The length of explosive vessel is that 2000 millimeters, volume are 150 liters.It is middle that to fire tube be 1000 millimeters, by support bar by screw retention on support, left and right two fire tube and respectively are 500 millimeters, the left and right bottom that fires tube all is equipped with roller, can along bracket track left, move right.A left side fires tube and is provided with ball valve and gas outlet, and the left end place that the right side fires tube is provided with the high-tension ignition plug, and the high-tension ignition plug links to each other with the high-tension ignition plug that fires ball, and the high-tension ignition plug links to each other with isolating high-pressure ignitor.
Be provided with six view windows in the side of explosive vessel, view window is made by the heatproof of 130 * 20 millimeters of Φ, withstand voltage tempered glass.
Trying quick-fried ball is spherical structure, 250 millimeters of internal diameter Φ, 8 millimeters of wall thickness, selects for use the 16MnR steel plate to make.Try quick-fried ball and be provided with pressure transducer and high-tension ignition plug and ball valve, the high-tension ignition plug also links to each other with isolating high-pressure ignitor.
The gas piping of propane cylinder and air pressure pump is connected with needle-valve, and needle-valve is installed in the pulpit.
The robotization multi-path data acquiring system includes SC-801C single trigger, A/D converter, 100 bus slots, display and printer.Picking rate is 1000 times/second.
Temperature sensor adopts SI-PN pn junction p n temperature sensor.Temperature test is selected three half words of TD-1 indicator gauge for use.
The tensimeter of selecting for use on the explosive vessel is the precision pressure gauge of YB-160 type 1.6MPa.Atmospheric pressure is measured and is selected boxlike rain glass DYM-3 type for use, and the test error value is not more than 200Pa.
A kind of device of testing the explosion-proof performance of block blast-proof materials of the present utility model fires a segmentation assembling because explosive vessel is designed to three sections, is convenient to the filling or the dismounting of block blast-proof materials.Explosive vessel with fire the Root's blower of connecting between the ball and replace gas circulation pump through transforming, combustion gas mixing efficient height than gas circulation pump in parallel, quality is good, and Root's blower is not less than circulation gas transmission in 7 minutes the duration of runs, guarantee that the exploded gas concentration in the explosive vessel is even, be convenient to igniting and fire.Adopt the data acquisition system (DAS) of robotization multichannel in the test of this device, can gather instantaneous pressure and temperature value under the different conditions, improved measuring accuracy, data are accurate, reliable, and error is little.
Description of drawings
Fig. 1 is the apparatus structure synoptic diagram of the explosion-proof performance of test block blast-proof materials.
Fig. 2 is cancellated block blast-proof materials structural representation.
Fig. 3 is the block blast-proof materials structural representation of chondritic.
1 propane cylinder wherein, 2 air pressure pumps, 3 propane gas pipings, 4 waste gas exhaust pipes, 5 explosive vessels, 6 ball valves, 7 pressure transducers, 8 master gauges, 9 temperature sensors, 10 gas circulating tubes, 11 high-tension spark plugs, the quick-fried ball of 12 examinations, 13 needle-valves, 14 isolating high-pressure ignitors, the data acquisition system (DAS) of 15 robotization multichannels, 16 temperature indicators, 17 view windows, 18 gas circulation pumps, 19 rollers, 20 supports, 21 netted block blast-proof materialss, 22 spherical block blast-proof materialss.
The embodiment explanation
In conjunction with the accompanying drawings 1,2,3, device of the present utility model is specifically described:
A kind of proving installation of testing the explosion-proof performance of block blast-proof materials comprises support 20, explosive vessel 5 and fire ball 12.Support 20 is welded by angle steel, drops on the ground by roller mount, moves freely.Explosive vessel 5 is located on the support 20, is provided with the block blast-proof materials 21 or 22 (material does not demonstrate in the accompanying drawing 1) that will test in the explosive vessel 5.Block blast-proof materials is that my company develops, and is drawn into netted or chondritic by aluminium alloy foil material through drawing machine.In testing the explosion-proof performance process of block blast-proof materials, outward appearance, the quality of at first identifying block blast-proof materials must meet the regulation that intercepts explosion-proof technology AQ standard, as the breakage rate of block blast-proof materials mesh and packed density etc.Be decided to be substandard product for the material that does not meet afore mentioned rules, can not test.
Explosive vessel 5 is connected with propane cylinder 1 and air pressure pump 2 by gas piping, and explosive vessel 5 connects the quick-fried ball 12 of examination by gas circulating tube 10 simultaneously, tries quick-fried ball 12 and is supported on the ground by bracing frame.In the bottom of support 20 gas circulation pump 18 is installed, gas circulation pump 18 and explosive vessel 5 and fire ball 12 and connect by gas piping.On explosive vessel 5 and the quick-fried ball 12 of examination, tensimeter 8, pressure transducer 7, temperature sensor 9, high-tension spark plug 11 and ball valve 6 are installed.Pressure transducer 7 and temperature sensor 9 are connected with robotization multi-path data acquiring system 15 by lead, and high-tension spark plug 11 is connected with isolating high-pressure ignitor 14.
The gas piping of propane cylinder 1 and air pressure pump 2 is connected with metering pin valve 13, and needle-valve 13 is installed in the pulpit.Propane cylinder 1 be with about 95% industrial propane flammable gas can in liquefied petroleum gas steel cylinder.
By the regulation that intercepts explosion-proof technology AQ standard, the leave a blank rate of block blast-proof materials in explosive vessel is 5%.
Propane gas of selecting for use in test and Air mixing gas are as exploded gas; its concentration is that propane gas accounts for the 5%+ air and accounts for 95%; exploded gas fire the condition that fires that pressure must satisfy exploded gas; the state that fires that just can meet dangerization product in the storage tank; for example after measured; the pressure that fires of above-mentioned exploded gas is 814Kpa, fires about 1500 ℃ of temperature.The original pressure value of the exploded gas of Que Dinging just has authenticity thus.Fire ball 12 purposes and be exactly the pressure that fires, thereby determine the not original pressure of exploded gas in order to the check exploded gas.
Described explosive vessel 5 by three sections fire the tube constitute, between connect by flange.Its internal diameter is that 300 millimeters, wall thickness are that 8 millimeters stainless-steel tube is made.The length of explosive vessel is that 2000 millimeters, volume are 150 liters.It is middle that to fire tube be 1000 millimeters, by support bar by screw retention on support 20, left and right two fire tube and respectively are 500 millimeters, the bottom is equipped with roller 19, can along the track of support 20 left, move right.A left side fires tube and is provided with venting ball valve 6 and gas outlet 4, and the left end place that the right side fires tube is provided with high-tension ignition plug 11, and high-tension ignition plug 11 is connected with the high-tension ignition plug that fires ball 12, the isolating high-pressure ignitor 14 that high-tension spark plug 11 connects in the pulpit.
Be provided with six view windows 17 in the side of explosive vessel 5, view window 17 is made by the heatproof of 130 * 20 millimeters of Φ, withstand voltage tempered glass.
The starting condition of the exploded gas in the explosive vessel 5 is by trying the quick-fried mensuration of quick-fried ball 12 examinations.Because Theoretical Calculation is different with the proving installation condition, all will try quick-fried at every turn.The concentration that fires mixed gas, original pressure, the initial temperature that fire in the concentration that fires mixed gas, original pressure, initial temperature and the explosive vessel 5 in the ball 12 are in full accord.
Try quick-fried ball 12 and be spherical structure, internal diameter is that 250 millimeters of Φ, wall thickness are that 8 millimeters 16MnR steel plate is made.Try quick-fried ball 12 and be provided with pressure transducer 7, high-tension ignition plug 11 and ball valve 6.Trying quick-fried ball 12 is connected with explosive vessel 5 and gas circulation pump 18 by gas pipe line.All be connected with needle-valve 13 in the gas pipe line of propane cylinder 1 and air pressure pump 2, needle-valve 13 is installed in the pulpit.
Gas circulation pump that this device uses 18 forms Root's blower transformation, it with explosive vessel 5 with fire ball 12 and be connected into a linker.During distribution, control gas circuits with the ball valve 6 that stainless steel is made; During test, close ball valve 6 and fire.The flammable propane gas of carrying by propane cylinder 1 and be conveyed into explosive vessel 5 and fire by the pressurized air of air pressure pump 2 and be made into certain pressure and concentration in the ball 12, and constantly circulate by gas circulation pump 18, must not make the exploded gas concentration of mixing reach uniformity the duration of runs of gas circulation pump 18 less than 7 minutes.The gas circulation pump 18 of this device adopts the transformations of LGB 0.25-2000 type Root's blower to form, and flow is 0.25 cubic meters per minute, and pressure is 0 to 2KPa.
Isolating high-pressure ignitor 14 is the DC pulse that the alternating current of 220V become 2KV, discharges by automobile-used high-tension spark plug, and its ignition energy is 20mJ.
Temperature sensor 9 adopts SI-PN pn junction p n temperature sensor, temperature indicator 16 to select three half words of TD-1 indicator gauge for use.
The tensimeter 8 that uses on explosive vessel 5 is the precision pressure gauge of YB-160 type 1.6Mpa.Atmospheric pressure is measured and is adopted boxlike rain glass DYM-3 type, and the test error value is not more than 200Pa.
Measure block blast-proof materials fire the supercharging value time, the one, test the original pressure value that the combustion gas that fires ball 12 does not fire, in order to substitute the original pressure value of in the explosive vessel 5 block blast-proof materials not being installed, the 2nd, test is equipped with the force value that fires of block blast-proof materials in explosive vessel 5, by the supercharging value that fires surge pressure is compared, evaluate the explosion-proof performance of this block blast-proof materials.Can repeatedly test, be preferably more than 3 times or 3 times for above-mentioned test process, the precision of averaging height.The original pressure that all the sensors is measured in this device and fire force value and temperature value is finished by robotization multi-path data acquiring system 15.
Robotization multi-path data acquiring system 15 includes 8 drive test amount passages, 100 bus slots, SC--801C single trigger, A/D converter, display and printer.Picking rate is 1000 times/second.Above-mentioned pressure and temperature measuring signal are transported to the SC-801C single trigger by passage, show by display that through A/D converter, temperature pressure is by printer prints.
With above-mentioned mensuration pressure data, by the computing machine computing of programming, draw out corresponding curve by following formula, therefrom obtain firing the supercharging value of peak value.
ΔP＝(p
1+p
2......+p
n)/n-p
b.....
Wherein
Δ p is for firing peak pressure increment (Pa)
p
bBe the original pressure value (Pa) of exploded gas not in the explosive vessel.
p
i(i=1,2......n) is for being equipped with the exploded gas of block blast-proof materials, the force value that pressure transducer records when firing (Pa) in the explosive vessel.
N is the number of pressure transducer.
A kind of test process of testing the explosion-proof performance of block blast-proof materials of the present utility model specifically describes as follows:
1, at first the block blast-proof materials that will measure is carried out the inspection of outward appearance and quality, make it meet the requirement that intercepts explosion-proof technology AQ standard.Breakage rate as netted block blast-proof materials mesh does not allow to exceed 5 places for every square metre, the damaged area at every place must not be greater than 60 millimeters * 50 millimeters, the packed density of block blast-proof materials is 28-30 kilogram/cubic meter etc., all will meet the regulation that intercepts explosion-proof technology AQ standard.
2, before the test, to explosive vessel 5 with fire ball 12 and carry out airtight test.
3, regulate via needle-valve 13, fill into to fire in the ball 12 with the propane gas of propane cylinder 1 with by the air of the supercharging of air pressure pump 2 and mix, make exploded gas reach test condition, and by robotization multi-path data acquiring system 15 record original pressure and temperature values.
4, the high-tension ignition plug 11 that fires ball 12 through 14 pairs of the isolating high-pressure ignitors examination of discharging, light a fire is quick-fried, gathers the pressure and temperature value of examination when quick-fried, and emptying fires the waste gas of ball 12 then.
5, block blast-proof materials 21 laminations are packed in the explosive vessel 5, guarantee that the rates of leaving a blank in the explosive vessel 5 are 5%.
6, according to the original pressure and the concentration that fire the not exploded gas that ball 12 determines, regulate propane gas and pressurized air filled into explosive vessel 5 simultaneously and fire in the ball 12 by needle-valve 13 and prepare, open gas circulation pump 18 and make its running, the time of running is not less than 7 minutes, make explosive vessel 5 in full accord with the pressure and the concentration of the exploded gas of the quick-fried ball 12 of examination, the initial value that meets above-mentioned exploded gas is closed each valve, gathers original pressure and the temperature value of this moment.
7, the exploded gas that are equipped with in the explosive vessel 5 of block blast-proof materials by 14 pairs of isolating high-pressure ignitors carry out discharge igniting, fire, each pressure transducer 7 of record on the explosive vessel 5 fire pressure and temperature value, by the printer prints result, temperature is shown by display.
8, with the pressure data of said determination by the computing machine computing of programming, draw out the pressure curve that fires of this block blast-proof materials, compare with the original pressure value of exploded gas not firing pressure peak, obtain firing the supercharging value of peak value, whether meet the regulation that intercepts explosion-proof technology AQ standard in order to evaluate this block blast-proof materials; Satisfy that to fire supercharging value≤0.14MPa be specification product, otherwise be substandard product.
The method of the explosion-proof performance of the test block blast-proof materials that the utility model provides owing to adopt the robotization multi-path data acquiring system, overcomes artificial defect, realizes gathering fast, and data are reliable, accuracy is high, error is little.
Illustrate the situation that a kind of hexagonal block blast-proof materials is measured:
1, selecting the mesh of block blast-proof materials for use is hexagon (shown in Figure 2), and the quality of its block blast-proof materials is 4.560 kilograms.On inspection, the breakage rate of mesh is 0, and the packed density of material is 29.8 kilograms/cubic metre, meets the regulation that intercepts explosion-proof technology AQ standard.
2, charging into 4.8% propane gas and 95.2% pressurized air in firing ball 12 prepares.After tested, the original pressure value that fires ball 12 is 109.5KPa, and initial temperature is 20 ℃ (calculated value of this value is between the 102-112KPa).
3, block blast-proof materials 21 is enclosed in the explosive vessel 5, the rate of leaving a blank in the explosive vessel 5 is 5%.
4, charge into above-mentioned mixed gas and lighting a fire in explosive vessel 5 and fire, the peak pressure increment that fires that records block blast-proof materials is 41.3KPa, meets the regulation that intercepts explosion-proof technology AQ standard.
Draw thus, a kind of device and method of testing thereof of testing the explosion-proof performance of block blast-proof materials provided by the utility model satisfies the regulation that intercepts explosion-proof technology AQ standard fully.Simultaneously, this device also satisfies the mensuration to the explosion-proof performance of spherical block blast-proof materials 22.
Claims (8)
1, a kind of device of testing the explosion-proof performance of block blast-proof materials, comprise support, explosive vessel and fire ball, it is characterized in that explosive vessel is located on the support that is welded into by angle steel, propane cylinder is connected explosive vessel with air pressure pump by gas piping, explosive vessel connects the quick-fried ball of examination by gas piping, bottom at support is equipped with gas circulation pump, by gas piping and explosive vessel with fire ball and connect, tensimeter is installed on explosive vessel, pressure transducer, temperature sensor and high-tension spark plug, pressure transducer and temperature sensor are connected with the robotization multi-path data acquiring system by lead, and high-tension spark plug connects isolating high-pressure ignitor.
2, a kind of device of testing the explosion-proof performance of block blast-proof materials according to claim 1, it is characterized in that described explosive vessel by three sections fire the tube constitute, between connect by flange; The middle tube that fires is fixed on the support by support bar, left and right two bottoms that fire tube are equipped with roller, a left side fires tube and is provided with ball valve and gas outlet, and the left end place that the right side fires tube is provided with the high-tension ignition plug, and the high-tension ignition plug is connected with the high-tension ignition plug that fires ball.
3, a kind of device of testing the explosion-proof performance of block blast-proof materials according to claim 1 is characterized in that the gas piping of described propane cylinder and air pressure pump is connected with needle-valve, and needle-valve is installed in the pulpit.
4, a kind of device of testing the explosion-proof performance of block blast-proof materials according to claim 1 is characterized in that the quick-fried ball of described examination is a spherical structure, tries quick-fried ball and is provided with pressure transducer and high-tension ignition plug.
5, a kind of device of testing the explosion-proof performance of block blast-proof materials according to claim 1, it is characterized in that described robotization multi-path data acquiring system includes SC-801C single trigger, A/D converter, 100 bus slots, display and printer, picking rate is 1000 times/second.
6, a kind of device of testing the explosion-proof performance of block blast-proof materials according to claim 2 is characterized in that the side of described explosive vessel is provided with six view windows, and view window is made by the heatproof of 130 * 20 millimeters of Φ, withstand voltage tempered glass.
7, a kind of device of testing the explosion-proof performance of block blast-proof materials according to claim 2, the internal diameter that it is characterized in that described explosive vessel are that 300 millimeters, wall thickness are that 8 millimeters stainless-steel tube is made.
8, a kind of device of testing the explosion-proof performance of block blast-proof materials according to claim 4 is characterized in that the described internal diameter that fires ball is that 250 millimeters of Φ, wall thickness are 8 millimeters, select for use the 16MnR steel plate to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520001544 CN2765187Y (en) | 2005-01-28 | 2005-01-28 | A device for testing flame resistance performance of obstructing and flameproof materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520001544 CN2765187Y (en) | 2005-01-28 | 2005-01-28 | A device for testing flame resistance performance of obstructing and flameproof materials |
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| Publication Number | Publication Date |
|---|---|
| CN2765187Y true CN2765187Y (en) | 2006-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200520001544 Expired - Lifetime CN2765187Y (en) | 2005-01-28 | 2005-01-28 | A device for testing flame resistance performance of obstructing and flameproof materials |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100442045C (en) * | 2005-01-28 | 2008-12-10 | 黄晓东 | Device for testing explosion-proof performance of barrier explosion-proof material and testing method thereof |
| CN101995449A (en) * | 2009-08-21 | 2011-03-30 | 中国石油化工股份有限公司 | Acetylene gas pressure sensitivity explosion testing device |
| CN102937605A (en) * | 2012-10-23 | 2013-02-20 | 中国石油化工股份有限公司 | Pressure-sensitive explosion test device |
| CN103076363A (en) * | 2012-10-23 | 2013-05-01 | 中国石油化工股份有限公司 | Method for determining critical pressure range for explosive decomposition of pressure sensitive gas |
| CN105158091A (en) * | 2015-08-19 | 2015-12-16 | 天地（常州）自动化股份有限公司 | Explosion-proof performance test system |
| CN108593424A (en) * | 2018-05-17 | 2018-09-28 | 北京海纳川汽车部件股份有限公司 | Explosion-proof lamp detonation test dynamic data measuring device |
| CN110006949A (en) * | 2019-04-30 | 2019-07-12 | 北京石油化工学院 | Gas burst experimental provision and method based on product analysis |
-
2005
- 2005-01-28 CN CN 200520001544 patent/CN2765187Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100442045C (en) * | 2005-01-28 | 2008-12-10 | 黄晓东 | Device for testing explosion-proof performance of barrier explosion-proof material and testing method thereof |
| CN101995449A (en) * | 2009-08-21 | 2011-03-30 | 中国石油化工股份有限公司 | Acetylene gas pressure sensitivity explosion testing device |
| CN101995449B (en) * | 2009-08-21 | 2014-02-05 | 中国石油化工股份有限公司 | Acetylene gas pressure sensitivity explosion testing device |
| CN102937605A (en) * | 2012-10-23 | 2013-02-20 | 中国石油化工股份有限公司 | Pressure-sensitive explosion test device |
| CN103076363A (en) * | 2012-10-23 | 2013-05-01 | 中国石油化工股份有限公司 | Method for determining critical pressure range for explosive decomposition of pressure sensitive gas |
| CN105158091A (en) * | 2015-08-19 | 2015-12-16 | 天地（常州）自动化股份有限公司 | Explosion-proof performance test system |
| CN108593424A (en) * | 2018-05-17 | 2018-09-28 | 北京海纳川汽车部件股份有限公司 | Explosion-proof lamp detonation test dynamic data measuring device |
| CN110006949A (en) * | 2019-04-30 | 2019-07-12 | 北京石油化工学院 | Gas burst experimental provision and method based on product analysis |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI HUAPENG ANTIEXPLOSIVE SCIENCE & TECHNOLO Free format text: FORMER OWNER: HUANG XIAODONG Effective date: 20060421 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20060421 Address after: 200031 Huaihai Road Shanghai City No. 1720 villa Zhonglian building E Patentee after: Shanghai Huapeng Explosion-Proof Technology Co., Ltd. Address before: 100009 room 1828, Tibet office, Beijing 149, West Tower Street, Beijing Patentee before: Huang Xiaodong |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150128 Granted publication date: 20060315 |