CN109358093A - A kind of fiber-wound gas cylinder infrared thermal imaging detection system and its detection method - Google Patents
A kind of fiber-wound gas cylinder infrared thermal imaging detection system and its detection method Download PDFInfo
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- CN109358093A CN109358093A CN201811434871.9A CN201811434871A CN109358093A CN 109358093 A CN109358093 A CN 109358093A CN 201811434871 A CN201811434871 A CN 201811434871A CN 109358093 A CN109358093 A CN 109358093A
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- 238000001514 detection method Methods 0.000 title claims abstract description 52
- 238000001931 thermography Methods 0.000 title claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 129
- 238000001816 cooling Methods 0.000 claims abstract description 28
- 230000000630 rising effect Effects 0.000 claims abstract description 11
- 239000007789 gas Substances 0.000 claims description 101
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 18
- 239000007788 liquid Substances 0.000 claims description 11
- 229910052757 nitrogen Inorganic materials 0.000 claims description 9
- 239000011490 mineral wool Substances 0.000 claims description 7
- 238000004321 preservation Methods 0.000 claims description 6
- 210000005239 tubule Anatomy 0.000 claims description 4
- 238000010792 warming Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 238000012546 transfer Methods 0.000 abstract description 9
- 230000005284 excitation Effects 0.000 abstract description 4
- 230000035939 shock Effects 0.000 abstract description 2
- 238000007689 inspection Methods 0.000 description 11
- 238000004804 winding Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 239000000835 fiber Substances 0.000 description 6
- 230000000737 periodic effect Effects 0.000 description 5
- 239000002131 composite material Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000002604 ultrasonography Methods 0.000 description 2
- 239000010963 304 stainless steel Substances 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003915 liquefied petroleum gas Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000004451 qualitative analysis Methods 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/72—Investigating presence of flaws
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Radiation Pyrometers (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The invention discloses a kind of fiber-wound gas cylinder infrared thermal imaging detection systems characterized by comprising cooling component, for tested the surface of gas cylinder to be cooled down, and the cooling component cooling device that includes low temperature cell and the water filling in low temperature cell cools down；Temperature rising module, for by tested gas cylinder internal cooling, the temperature rising module includes hot water storgae and heat riser that the water filling in hot water storgae heats up；Connection component, including being detected the water valve being arranged on gas cylinder and the hot water pipeline for connecting water valve with hot water storgae, the water valve is used to control the inlet and outlet of hot water；At least one thermal imaging system, for acquiring the thermal-image data of the tested gas cylinder.The present invention carries out cold shock to tested gas cylinder by cooling component and encourages, and reduces detected pieces entirety fiducial temperature, carries out thermal excitation to tested gas cylinder internal by temperature rising module, expands plastic inner container inside and outside heat transfer temperature difference, improve heat transfer efficiency.
Description
Technical field
The present invention relates to special equipment detection techniques, in particular to a kind of fiber-wound gas cylinder infrared thermal imaging detection system
And its detection method.
Background technique
Fiber-wound gas cylinder is primarily used for the special equipment of carrying, transport of compressed gas, mainly there is steel inner container at present
Several forms such as fiber-wound gas cylinder, aluminum liner fiber-wound gas cylinder and plastic inner container fiber-wound gas cylinder (composite material),
It is mainly used in the carrying and use of the fuel such as CNG, the liquefied petroleum gas under the environment such as bus, taxi at present, future is also
Oriented hydrogen energy source carriage direction development, and the trend used is expanded to other industry developments such as food and drink, it is widely used.Such gas
Bottle, which belongs to, is related to the equipment of major safety problems, need to can use after inspection body's periodic inspection is qualified, domestic at present right
In metal liner fiber-wound gas cylinder, there is related periodic inspection standard, it is still blank that plastic inner container fiber, which winds the bottle country, which to be examined,.
Vehicle CNG winding gas cylinder is usually made of metal liner (or composite material liner), fiber winding layer and valve.
The current domestic inspection to CNG fiber-wound gas cylinder, mainly according to GB24162-2009 " compressed natural gas for automobile metal liner
The periodic inspection of fiber hoop wrapped cylinders and evaluation " standard regulation, according to visual examination, whorl of bottleneck inspection, the water pressure test, inside
Purging and dry, cylinder valve replacement and assembly, hermeticity experiment, carry out periodic inspection using pipeline system check system.
However the step and method are not directed to the detection of gas cylinder internal defect, especially layering, degumming of fiber winding layer etc. always and lack
It falls into, the failure of winding layer may be directly resulted under fatigue state.
Internal lossless detection method domestic at present, it is main according to modes such as ray, ultrasound and sound emissions.In fiber winding layer
Heterogeneity speech, the mode of ultrasound detection less be applicable in；Ray detection is at high cost, time-consuming and has radiation, nor too
It is suitable for plastic material；Application of the acoustic emission detection on winding gas cylinder, at present still in probing into.Recently as infrared thermal imaging
The rapid development of technology and the detection application in terms of space flight and aviation, infrared detection method are increasingly becoming a kind of new-type lossless inspection
Survey method, this patent has developed a kind of complete detection device and detection method based on infrared thermal imaging, for solving such gas
The detection problem of the defects of layering of bottle fiber winding layer, degumming.
The Chinese invention patent of Publication No. 203479715U discloses a kind of composite cylinder inspection based on infrared thermal imaging
Examining system, including pressure surge tank, thermal imaging system, processor, equipment principle relies primarily on air compressor, surge tank comes pair
Tested gas cylinder plenum carries out internal thermal excitation, fault location heat transfer coefficient to winding bottle using the principle for being pressurized heating in bottle
It is different from normal homogeneous heat transfer, the outer surface temperature difference is formed in diabatic process from inside to outside, in outside infrared thermal imaging
Instrument observes and records.But the system has the following deficiencies: that 1. provide compressed gas into tested gas cylinder by pressure surge tank, suppresses
Process time is longer, and temperature-rise period efficiency is slow, and the inside and outside diabatic process period is too long under the unstable temperature difference, is unfavorable for gas cylinder biography
Heat detection；2. getting over the principle of high-temperature based on pressure under gas medium volume inconvenience case, apparatus is needed at elevated pressures
Pressure-bearing detection detection could obtain high temperature difference, and there are certain risk；3. tested cylinder outer surface is without any processing unit,
Influenced by environmental temperature, winter, the summer environment temperature difference are larger, are unfavorable for the unification and standardization of characterization processes；4. basis
Standard, composite inner liner fiber-wound gas cylinder, it is 80 DEG C that liner material, which can bear maximum temperature, above detection technique outer surface temperature
Degree is room temperature, and the maximum temperature difference that surfaces externally and internally can be generated only has tens degree, influences heat transfer efficiency.
It is a kind of without high pressure warming, tested cylinder outer surface state unification, the surfaces externally and internally temperature difference therefore, it is necessary to develop
Greatly, heat transfer efficiency high fiber-wound gas cylinder infrared thermal imaging detection system and its detection method.
Summary of the invention
The purpose of the present invention is to solve the deficiency of the above background technology, provides a kind of without pressure surge tank high pressure liter
Temperature, the fiber-wound gas cylinder infrared thermal imaging inspection that tested cylinder outer surface state is unified, the surfaces externally and internally temperature difference is big, heat transfer efficiency is high
Measurement equipment.
The technical solution of the present invention is as follows: a kind of fiber-wound gas cylinder infrared thermal imaging detection system, which is characterized in that packet
It includes:
Cool down component, and for tested the surface of gas cylinder to cool down, the cooling component includes low temperature cell and will be in low temperature cell
The cooling device that cools down of water filling；
Temperature rising module, for by tested gas cylinder internal cooling, the temperature rising module to include hot water storgae and will be in hot water storgae
The heat riser that heats up of water filling；
Connection component, including being detected the water valve being arranged on gas cylinder and the hot water pipeline for connecting water valve with hot water storgae, institute
Water valve is stated for controlling the inlet and outlet of hot water；
At least one thermal imaging system, for acquiring the thermal-image data of the tested gas cylinder.
Preferably, the cooling device includes the liquid nitrogen container being set to outside low temperature cell and is set to bottom in low temperature cell
Heat exchanger tube, the outlet connection of described heat exchanger tube one end and liquid nitrogen container, the other end are connect with the evacuated tube led to outside low temperature cell.
Further, the low temperature cell is open-topped box-structure and surrounding outer wall is equipped with rock wool heat-preservation layer.
Preferably, the heat riser be electrical bar or steam heat exchanging tube, the hot water storgae be closed box-structure and
Equipped with thermometer, the hot water storgae is equipped with cold water inlet, hot water outlet.
Further, when the heat riser is steam heat exchanging tube, hot water storgae is equipped with and is connected to steam from outside and changes
The steam inlet duct of heat pipe one end, and from the steam heat exchanging tube other end connection outside steam exhaust pipe.
Preferably, the water valve include valve body that lower end is threadedly coupled with tested gas cylinder and valve body two sides settings into
Mouthful pipe and outlet, the inlet tube connect hot water pipeline, and the outlet connects evacuated tube, the valve body lower end be equipped with into
The inlet hole of mouth pipe connection and the outlet opening being connected to outlet, the inlet hole are equipped with and extend to the thin of checked gas bottom of bottle portion
Pipe, the hot water trench bottom and hot water pipeline junction are equipped with electric control valve, and the hot water pipeline is equipped with pump.
It preferably, further include the hanging device of tested gas cylinder upper end setting.
It is special the present invention also provides the detection method of upper any fiber-wound gas cylinder infrared thermal imaging detection system
Sign is, step are as follows:
A. starting cooling device is cooled to 0 DEG C to low temperature pool inner water, and tested gas cylinder is settled down to low temperature cell and carries out cooling 5-
20min；
B. starting heat riser is warming up to 70-80 DEG C to hot water trough inner water, and assembly connects after tested gas cylinder is removed low temperature cell
Connected components, the hot water being passed through into tested gas cylinder in hot water storgae；
C. starting infrared thermal imager detects tested gas cylinder hull-skin temperature variation, after the completion of detection, stops to checked gas
It is passed through hot water in bottle, connection component is unloaded from tested gas cylinder, hot water in tested gas cylinder is discharged.
Preferably, hot water is passed through in detection gas cylinder until tested gas cylinder is full of, then is passed through and is discharged simultaneously in the step b
Hot water makes tested gas cylinder remain full of 5-20min.
Further, when infrared thermal imager has just been passed through hot water out of tested gas cylinder in the step c or in tested gas cylinder
Start to detect tested gas cylinder hull-skin temperature when being just full of hot water.
The invention has the benefit that
1. carrying out cold shock to tested gas cylinder by cooling component to encourage, detected pieces entirety fiducial temperature is reduced, heating group is passed through
Part carries out thermal excitation to tested gas cylinder internal, expands plastic inner container inside and outside heat transfer temperature difference, improves heat transfer efficiency.
2. temperature rising module, which enters tested gas cylinder by hot aqueous medium, carries out hot water thermal excitation, whole without pressure, to tested
The quality of part itself bearing capacity is not necessarily to preposition requirement, securely and reliably.By the continual and steady supply constant-temperature hot water of hot water storgae, lead to
It crosses water valve and realizes that the disengaging of hot water in bottle substitutes to keep the constant temperature thermal source environment in bottle.
3. this system structure is simple and convenient to operate, using low temperature fiducial temperature and stablize heat source temperature, convenient for the mark of technique
Standardization is formulated and the qualitative and quantitative analysis of defect property, improves detection accuracy.It can also be detected in conventional metals winding gas cylinder
Line increases this system detection, can normally be connected with detections other in periodic inspection.
Detailed description of the invention
Fig. 1 is tested gas cylinder, temperature rising module, connection component connection schematic diagram
Fig. 2 is cooling component structure diagram (liquid nitrogen container is main view, low temperature cell is vertical view)
Fig. 3 is low temperature cell structural vertical sectional view
Wherein: 1- is detected gas cylinder 2- low temperature cell 3- cooling device 4- hot water storgae 5- heat riser 6- water valve 7- hot water
Pipeline 8- infrared thermal imager 9- hanging device 21- the first rock wool heat-preservation layer 31- liquid nitrogen container 32- heat exchanger tube 33- emptying
Pipe 41- thermometer 42- liquidometer 43- steam inlet duct 44- steam exhaust pipe 45- the second rock wool heat-preservation layer 51- steam
Heat exchanger tube 61- inlet tube 62- outlet 63- valve body 64- tubule 65- evacuated tube 71- electric control valve 72- pump.
Specific embodiment
The present invention is described in further detail for specific embodiment below.
As shown in Figure 1-3, a kind of fiber-wound gas cylinder infrared thermal imaging detection system provided by the invention, comprising: cooling
Component, for by tested 1 surface cooling of gas cylinder, the component that cools down to include low temperature cell 2 and the water filling in low temperature cell 2 cools down
Cooling device 3；Temperature rising module, for by tested 1 internal cooling of gas cylinder, temperature rising module includes hot water storgae 4 and by hot water storgae 4
The heat riser 5 that interior water filling heats up；Connection component, including be detected on gas cylinder 1 water valve 6 that is arranged and by water valve 6 with
The hot water pipeline 7 that hot water storgae 4 connects, water valve 6 are used to control the inlet and outlet of hot water；At least one infrared thermal imager 8 is used
In the thermal-image data for acquiring tested gas cylinder 1.
Cooling device 3 includes the liquid nitrogen container 31 being set to outside low temperature cell 2 and the heat exchanger tube for being set to bottom in low temperature cell 2
32 (materials be 304 Stainless Steel Coils), 32 one end of heat exchanger tube is connect with the outlet of liquid nitrogen container 31, the other end with lead to low temperature cell 2
Outer evacuated tube 33 connects.Low temperature cell 2 is open-topped box-structure and surrounding outer wall is equipped with the first rock wool heat-preservation layer 21.
Heat riser 5 is electrical bar or steam heat exchanging tube 51, and hot water storgae 4 is closed box-structure and outside is equipped with second
Rock wool heat-preservation layer 45, hot water storgae 4 is interior to be equipped with thermometer 41, liquidometer 42.The present embodiment heat riser 5 is steam heat exchanging tube 51,
Hot water storgae 4 is equipped with the steam inlet duct 43 that 51 one end of steam heat exchanging tube is connected to from outside, and another from steam heat exchanging tube 51
Steam exhaust pipe 44 outside the connection of one end.Water inlet, the steam exhaust pipe 44 of hot water storgae 4 are located at top, 4 inner wall water of hot water storgae
Jointing temp meter 41 under bit line, inner wall connect liquidometer 42, and the water outlet of hot water storgae 4 is set to bottom.
Water valve 6 includes the valve body 63 that lower end is threadedly coupled with tested gas cylinder 1 and the inlet tube in the setting of 63 two sides of valve body
61 and outlet 62, inlet tube 61 connects hot water pipeline 7, and outlet pipe 62 connects evacuated tube 65, and 63 lower end of valve body is equipped with and import
The inlet hole that pipe 61 is connected to and the outlet opening being connected to outlet 62, inlet hole are equipped with and extend to the thin of tested 1 bottom of gas cylinder
Pipe 64,4 bottom of hot water storgae and 7 junction of hot water pipeline are equipped with electric control valve 71, and hot water pipeline 7 is equipped with pump 72, because of tubule 64
Internal diameter is smaller, therefore the increase water inlet flow velocity of increasing pump 72.Inlet tube 61, tubule 64 are for intaking in the present embodiment, outlet 62
When for intaking in bottle gas discharge, without switch on water valve 6, inlet tube 61,62 any time of outlet are unimpeded state,
Water valve 6 is mounted on Primordial Qi valve installation place on tested gas cylinder.63 upper end of valve body is equipped with hanging device 9, and the present embodiment is hanging ring.
The detection method of above-mentioned fiber-wound gas cylinder infrared thermal imaging detection system, step are as follows:
A. after low temperature cell 2 fills the water, start cooling device 3, that is, that opens liquid nitrogen container 31 uses air valve, and cryogenic gas passes through heat exchange
Pipe 32 cools down to the water in low temperature cell 2, and until mixture of ice and water, water temperature is maintained at zero degree at this time, to detect benchmark temperature
Tested gas cylinder 1 is assembled water valve 6, bottle is settled down to low temperature cell 2 by hanging device 9 and carries out cooling 5-20min by degree；
B. to filling the water in hot water storgae 4, starting heat riser 5 is warming up to 70-80 DEG C to water in hot water storgae 4, keeps hot water storgae 4
Interior water temperature, will cooling finish tested gas cylinder 1 lifting emersion 2 water surface of low temperature cell, water valve 6 by ready-packaged joint make inlet tube 61,
Outlet 62 respectively on hot water storgae 4 hot water pipeline 7 and drainpipe 63 connect, open hot water pipeline 7 on electric control valve 71
With pump 72, it is passed through hot water in hot water storgae 4, hot water is passed through in detection gas cylinder until tested gas cylinder is full of, then is passed through and is discharged simultaneously
Hot water makes tested gas cylinder remain full of state 5-20min；
C. starting infrared thermal imager 8 detects tested 1 hull-skin temperature of gas cylinder variation, and infrared thermal imager 8 is from checked gas
Start to detect tested 1 hull-skin temperature of gas cylinder when being just full of hot water when being just passed through hot water in bottle 1 or in tested gas cylinder 1,
Electric control valve 71 and pump 72 are closed after the completion of detection, water valve 6, lifting to next link are unloaded from tested gas cylinder 1, and discharge is detected
Liquid in gas cylinder 1.
Claims (10)
1. a kind of fiber-wound gas cylinder infrared thermal imaging detection system characterized by comprising
Cool down component, and for by tested gas cylinder (1) surface cooling, the cooling component includes low temperature cell (2) and by low temperature cell
(2) cooling device (3) that the water filling in cools down；
Temperature rising module, for will heat up inside tested gas cylinder (1), the temperature rising module includes hot water storgae (4) and by hot water storgae
(4) heat riser (5) that the water filling in heats up；
Connection component, including being detected the water valve (6) being arranged on gas cylinder (1) and the hot water for connecting water valve (6) with hot water storgae (4)
Pipeline (7), the water valve (6) are used to control the inlet and outlet of hot water；
At least one infrared thermal imager (8), for acquiring the thermal-image data of the tested gas cylinder (1).
2. fiber-wound gas cylinder infrared thermal imaging detection system as described in claim 1, which is characterized in that the cooling device
It (3) include the liquid nitrogen container (31) being set to low temperature cell (2) outside and the heat exchanger tube (32) for being set to low temperature cell (2) interior bottom, institute
It states heat exchanger tube (32) one end to connect with the outlet of liquid nitrogen container (31), the other end connects with the evacuated tube (33) of low temperature cell (2) outside is led to
It connects.
3. fiber-wound gas cylinder infrared thermal imaging detection system as claimed in claim 2, which is characterized in that the low temperature cell
(2) be open-topped box-structure and surrounding outer wall is equipped with the first rock wool heat-preservation layer (21).
4. fiber-wound gas cylinder infrared thermal imaging detection system as described in claim 1, which is characterized in that the heat riser
It (5) is electrical bar or steam heat exchanging tube (51), the hot water storgae (4) is closed box-structure and outside is equipped with the second rock wool and protects
Warm layer (45), the hot water storgae (4) is interior to be equipped with thermometer (41), liquidometer (42).
5. fiber-wound gas cylinder infrared thermal imaging detection system as claimed in claim 4, which is characterized in that when the heating fills
When to set (5) be steam heat exchanging tube (51), hot water storgae (4) be equipped with from outside be connected to the steam of steam heat exchanging tube (51) one end into
Tracheae (43), and from steam heat exchanging tube (51) other end connection outside steam exhaust pipe (44).
6. fiber-wound gas cylinder infrared thermal imaging detection system as described in claim 1, which is characterized in that the water valve (6)
The valve body (63) that is threadedly coupled including lower end with tested gas cylinder (1) and inlet tube (61) and out in the setting of valve body (63) two sides
Mouth pipe (62), the inlet tube (61) connect hot water pipeline (7), and the outlet (62) connects evacuated tube (65), the valve body
(63) lower end is equipped with the inlet hole being connected to inlet tube (61) and the outlet opening being connected to outlet (62), sets on the inlet hole
There is the tubule (64) for extending to tested gas cylinder (1) bottom, hot water storgae (4) bottom and hot water pipeline (7) junction are equipped with electricity
It controls valve (71), the hot water pipeline (7) is equipped with pump (72).
7. fiber-wound gas cylinder infrared thermal imaging detection system as described in claim 1, which is characterized in that it is characterized in that,
It further include the hanging device (9) for being set to water valve (6) upper end.
8. a kind of detection method of the fiber-wound gas cylinder infrared thermal imaging detection system as described in any in claim 1-7,
It is characterized in that, step are as follows:
A. starting cooling device (3) 0 DEG C is cooled to low temperature cell (2) interior water, by tested gas cylinder (1) be settled down to low temperature cell (2) into
Row cooling 5-20min；
B. starting heat riser (5) is warming up to 70-80 DEG C to hot water storgae (4) interior water, and tested gas cylinder (1) is removed low temperature cell (2)
Assembly connection component afterwards, the hot water being passed through into tested gas cylinder (1) in hot water storgae (4)；
C. starting infrared thermal imager (8) detects tested gas cylinder (1) hull-skin temperature variation, after the completion of detection, stops to tested
It is passed through hot water in gas cylinder (1), connection component is unloaded from tested gas cylinder (1), tested gas cylinder (1) interior liquid is discharged.
9. the detection method of fiber-wound gas cylinder infrared thermal imaging detection system as described in claim 8, which is characterized in that
Hot water is passed through in detection gas cylinder until tested gas cylinder is full of in the step b, then is passed through and be discharged simultaneously hot water and make to be detected gas cylinder
Remain full of state 5-20min.
10. the detection method of fiber-wound gas cylinder infrared thermal imaging detection system as described in claim 9, feature exist
In being just full of when infrared thermal imager (8) has just been passed through hot water out of tested gas cylinder (1) in the step c or in tested gas cylinder (1)
Start to detect tested gas cylinder (1) hull-skin temperature when hot water.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811434871.9A CN109358093B (en) | 2018-11-28 | 2018-11-28 | Infrared thermal imaging detection system and detection method for fiber wound gas cylinder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811434871.9A CN109358093B (en) | 2018-11-28 | 2018-11-28 | Infrared thermal imaging detection system and detection method for fiber wound gas cylinder |
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| CN109358093A true CN109358093A (en) | 2019-02-19 |
| CN109358093B CN109358093B (en) | 2024-06-07 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109781742A (en) * | 2019-03-01 | 2019-05-21 | 中国特种设备检测研究院 | A kind of composite cylinder defect infrared detecting device and method |
| CN110261437A (en) * | 2019-07-01 | 2019-09-20 | 重庆科技学院 | A kind of natural gas station press device defect census method based on infrared thermal imagery |
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| CN109781742B (en) * | 2019-03-01 | 2021-12-17 | 中国特种设备检测研究院 | Infrared detection device and method for composite gas cylinder defects |
| CN110261437A (en) * | 2019-07-01 | 2019-09-20 | 重庆科技学院 | A kind of natural gas station press device defect census method based on infrared thermal imagery |
| CN110261437B (en) * | 2019-07-01 | 2021-10-29 | 重庆科技学院 | Natural gas station pressure equipment defect general investigation method based on infrared thermal image |
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