CN201867381U - Heat insulation defect detector for pressure container - Google Patents

Heat insulation defect detector for pressure container Download PDF

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Publication number
CN201867381U
CN201867381U CN2010206221289U CN201020622128U CN201867381U CN 201867381 U CN201867381 U CN 201867381U CN 2010206221289 U CN2010206221289 U CN 2010206221289U CN 201020622128 U CN201020622128 U CN 201020622128U CN 201867381 U CN201867381 U CN 201867381U
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China
Prior art keywords
power supply
heat insulation
infrared thermal
generator
industrial computer
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Expired - Fee Related
Application number
CN2010206221289U
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Chinese (zh)
Inventor
吴国忠
李栋
齐晗兵
宋芬芬
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Northeast Petroleum University
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Northeast Petroleum University
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Priority to CN2010206221289U priority Critical patent/CN201867381U/en
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Publication of CN201867381U publication Critical patent/CN201867381U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a heat insulation defect detector for a pressure container, which mainly solves the problem that the fast and convenient detection of heat insulation defects of the pressure container in the prior art is difficult to realize. The utility model is characterized in that the detector comprises an auxiliary heat source generator, an infrared thermal imaging instrument, a tripod head, an electric generator, a power supply adapter and an industrial computer, wherein the auxiliary heat source generator and the infrared thermal imaging instrument are respectively fixed on a platform through the tripod head, the power supply output end of the electric generator is connected to the power supply input end of the power supply adapter, the power supply adapter respectively provides work power supply for the auxiliary heat source generator, the infrared thermal imaging instrument and the industrial computer through cables, and the signal output end of the infrared thermal imaging instrument is connected to the signal input end of the industrial computer through signal cables. The heat insulation defect detector has the advantages of definite principle, simple structure, high speed, high precision, wide detection range and the like and is convenient to operate. In addition, the real-time detection and the non-contact detection can also be realized, and the heat insulation defect detector is particularly suitable for industrial popularization.

Description

A kind of pick-up unit of pressure vessel heat insulation defect
Technical field
The utility model relates to a kind of pick-up unit that is applied in the technical field of nondestructive testing, specifically, relates to a kind of device that can detect the pressure vessel heat insulation defect.
Background technology
Pressure vessel is the common equipment in the commercial production, is widely used in industries such as chemical industry, petrochemical industry, oil refining, machinery, power, weaving, metallurgy, nuclear energy and transportation, and in order to reach the requirement of pressure vessel thermal property, Pressure vessels all disposes heat-insulation layer.Because pressure vessel operation operating mode is more abominable, medium often is high pressure, high temperature and has corrosivity, and himself often because of perforate and other structure uncontinuity, make in reason such as uncontinuity under covering, make pressure vessel have heat insulation defect.To these heat insulation defects, conventional device exists and is difficult to the accurately problem of detection.This be because: because the existence of heat-insulation layer, can't use conventional ultrasonic, eddy current, magnetic, infiltration and detection method such as visual.Though and the employing ray detection method can detect the pressure vessel heat insulation defect, need to carry out complicated technology in actual applications and handle, for example need accurately and rapidly the ray image to be carried out information extraction etc., be difficult to apply.In addition, this ray detection method for detecting required time is long, and on-the-spot radiation dose is bigger, and personal safety is had very major injury.
Summary of the invention
The technical matters that proposes in order to solve in the background technology, the utility model proposes a kind of pick-up unit of pressure vessel heat insulation defect, the pick-up unit of this kind pressure vessel heat insulation defect can overcome pressure vessel restrictive conditions such as heat-insulation layer, can judge and locate Defects in Pressure Container, its corresponding measures is taked in the high-temperature region that in time notes abnormalities.This kind pick-up unit also has advantages such as principle is clear and definite, simple in structure, easy to operate, contactless, quick, real-time, precision is high, sensing range is wide in addition.
The technical solution of the utility model is: the pick-up unit of this kind pressure vessel heat insulation defect comprises that one has the go-cart of article carrying platform, an auxiliary thermal source generator, infrared thermal imager, The Cloud Terrace, generator, power supply adaptor and an industrial computer.Described auxiliary thermal source generator, infrared thermal imager, The Cloud Terrace, generator, power supply adaptor and industrial computer all place on the platform of go-cart.Wherein, auxiliary thermal source generator, infrared thermal imager are fixed on this platform by The Cloud Terrace respectively; The power output end of described generator is connected to the power input of described power supply adaptor, and described power supply adaptor provides working power by cable for described auxiliary thermal source generator, infrared thermal imager and industrial computer respectively; The signal output part of described infrared thermal imager is connected to the signal input part of described industrial computer by signal cable.
Described auxiliary thermal source generator can be xenon lamp or iodine-tungsten lamp.
The utlity model has following beneficial effect: the pick-up unit of the pressure vessel heat insulation defect that the utility model proposed is made of auxiliary thermal source, infrared thermal imager, The Cloud Terrace, generator, power supply adaptor, industrial computer and go-cart etc., by The Cloud Terrace fixedly auxiliary thermal source and infrared thermal imager, by described generator and power supply adaptor to auxiliary thermal source, infrared thermal imager and computer processing system power supply.During work,,, thereby make tested pressure vessel insulation material produce thermograde with pressure vessel insulation material Fast Heating by described auxiliary thermal source irradiation pressure vessel insulation surface.Afterwards, detect tested pressure vessel insulation surface temperature distribution by described infrared thermal imager, obtain the infrared figure of described tested pressure vessel insulation surface temperature field distribution, after passing to computing machine, by described computer processing system the infrared radiation photo of described infrared thermal imager record is handled, thereby obtained the detection case of testing pressure vessel insulation defective.Utilize this kind pressure vessel heat insulation defect pick-up unit, can judge the position of pressure vessel heat insulation defect quickly and accurately, and can realize the online detection of pressure vessel heat insulation defect.In addition, the utility model is simple in structure, be easy to carry, easy to operate, is very suitable for industrial applications.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
1-auxiliary thermal source generator among the figure, 2-infrared thermal imager, 3-The Cloud Terrace, 4-generator, 5-power supply adaptor, 6-industrial computer, 7-go-cart.
Embodiment
The invention will be further described below in conjunction with accompanying drawing:
At first, introduce detection principle of the present utility model.When pressure vessel inside existed defective or pressure vessel guarantor surface heat preservation material to have defective, because normal insulation material zone is different with the thermal diffusion coefficient of defect area, the temperature of body surface relevant position was also with regard to difference.Therefore, if can make pressure vessel insulation surface local zone produce thermograde by external heat source, just can cause Surface Pressure Vessel infrared radiation generation notable difference.If detect the extraradial differential image of these surface red like this, just can judge the heat insulation defect of this pressure vessel.
The pick-up unit of this kind of pressure vessel heat insulation defect as shown in Figure 1, comprises a go-cart that has an article carrying platform 7, auxiliary thermal source generator 1, infrared thermal imager 2, The Cloud Terrace 3, generator 4, power supply adaptor 5 and an industrial computer 6.Described auxiliary thermal source generator 1, infrared thermal imager 2, The Cloud Terrace 3, generator 4, power supply adaptor 5 and an industrial computer 6 all place on the platform of go-cart 7.Wherein, auxiliary thermal source generator 1, infrared thermal imager 2 are fixed on this platform by The Cloud Terrace 3 respectively, the level of The Cloud Terrace scalable auxiliary thermal source generator and infrared thermal imager and the angle of pitching and the height of vertical direction.The power output end of described generator 4 is connected to the power input of described power supply adaptor 5, and described power supply adaptor 5 provides working power by cable for described auxiliary thermal source generator 1, infrared thermal imager 2 and industrial computer 6 respectively; The signal output part of described infrared thermal imager 2 is connected to the signal input part of described industrial computer 6 by signal cable.
During concrete enforcement, described auxiliary thermal source generator can be xenon lamp or iodine-tungsten lamp.The infrared thermal imager response wave length is 8-11 μ m, and pixel is 320 * 240, and minimum temperature resolution is 0.02K.Because go-cart is used to carry auxiliary thermal source, infrared thermal imager, generator, power supply adaptor and computer processing system etc., can move easily.Described computer processing system is used for the infrared radiation photo of described thermal infrared imager record is handled; Described auxiliary thermal source is used to shine pressure vessel insulation surface, with pressure vessel insulation material Fast Heating, makes tested pressure vessel insulation material produce thermograde; Described infrared thermal imager is used to detect the Temperature Distribution on tested pressure vessel insulation surface, obtains described tested pressure vessel insulation surface temperature field pattern.

Claims (3)

1. the pick-up unit of a pressure vessel heat insulation defect, comprise a go-cart (7) that has article carrying platform, it is characterized in that: described pick-up unit also comprises an auxiliary thermal source generator (1), an infrared thermal imager (2), The Cloud Terrace (3), generator (4), power supply adaptor (5) and industrial computer (6); Described auxiliary thermal source generator (1), infrared thermal imager (2), The Cloud Terrace (3), generator (4), power supply adaptor (5) and industrial computer (6) all place on the platform of go-cart (7), wherein, auxiliary thermal source generator (1), infrared thermal imager (2) are fixed on this platform by The Cloud Terrace (3) respectively; The power output end of described generator (4) is connected to the power input of described power supply adaptor (5), and described power supply adaptor (5) is that described auxiliary thermal source generator (1), infrared thermal imager (2) and industrial computer (6) provide working power by cable respectively; The signal output part of described infrared thermal imager (2) is connected to the signal input part of described industrial computer (6) by signal cable.
2. the pick-up unit of a kind of pressure vessel heat insulation defect according to claim 1 is characterized in that: described auxiliary thermal source generator (1) is an xenon lamp.
3. the pick-up unit of a kind of pressure vessel heat insulation defect according to claim 1 is characterized in that: described auxiliary thermal source generator (1) is an iodine-tungsten lamp.
CN2010206221289U 2010-11-24 2010-11-24 Heat insulation defect detector for pressure container Expired - Fee Related CN201867381U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010206221289U CN201867381U (en) 2010-11-24 2010-11-24 Heat insulation defect detector for pressure container

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010206221289U CN201867381U (en) 2010-11-24 2010-11-24 Heat insulation defect detector for pressure container

Publications (1)

Publication Number Publication Date
CN201867381U true CN201867381U (en) 2011-06-15

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CN2010206221289U Expired - Fee Related CN201867381U (en) 2010-11-24 2010-11-24 Heat insulation defect detector for pressure container

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CN (1) CN201867381U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103267476A (en) * 2013-05-22 2013-08-28 东北石油大学 Device used for detecting defects of attached layers of iron-based sealing container
CN103424412A (en) * 2013-08-13 2013-12-04 中国特种设备检测研究院 Composite gas cylinder detecting system based on infrared thermal imaging
CN106596896A (en) * 2016-12-30 2017-04-26 山东大学 On-site tunnel real-time surrounding rock classification system and method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103267476A (en) * 2013-05-22 2013-08-28 东北石油大学 Device used for detecting defects of attached layers of iron-based sealing container
CN103267476B (en) * 2013-05-22 2015-07-29 东北石油大学 A kind of device detecting iron-based closed container adhesion layer defect
CN103424412A (en) * 2013-08-13 2013-12-04 中国特种设备检测研究院 Composite gas cylinder detecting system based on infrared thermal imaging
CN103424412B (en) * 2013-08-13 2016-04-20 中国特种设备检测研究院 Based on the composite cylinder detection system of infrared thermal imaging
CN106596896A (en) * 2016-12-30 2017-04-26 山东大学 On-site tunnel real-time surrounding rock classification system and method

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GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110615

Termination date: 20111124