CN106769799A - The mode identification method and system of a kind of latent heat of vaporization on-line monitoring - Google Patents
The mode identification method and system of a kind of latent heat of vaporization on-line monitoring Download PDFInfo
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- CN106769799A CN106769799A CN201610994375.3A CN201610994375A CN106769799A CN 106769799 A CN106769799 A CN 106769799A CN 201610994375 A CN201610994375 A CN 201610994375A CN 106769799 A CN106769799 A CN 106769799A
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- Prior art keywords
- vaporization
- latent heat
- bubble
- porous material
- real time
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- 230000008016 vaporization Effects 0.000 title claims abstract description 40
- 238000009834 vaporization Methods 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000012544 monitoring process Methods 0.000 title claims abstract description 27
- 239000011148 porous material Substances 0.000 claims abstract description 28
- 230000009466 transformation Effects 0.000 claims abstract description 9
- 229910010293 ceramic material Inorganic materials 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract description 5
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 206010037660 Pyrexia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification 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
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/10—Investigating individual particles
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/02—Investigating particle size or size distribution
- G01N15/0205—Investigating particle size or size distribution by optical means, e.g. by light scattering, diffraction, holography or imaging
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- G01N2015/1029—
Abstract
The present invention provides the mode identification method and system of a kind of latent heat of vaporization on-line monitoring, the method first respectively irradiates on the porous material white light source in tri- directions of x y z, then bubble formation process in captured in real-time porous material is carried out using the high-resolution high-speed camera in these three directions, photographed data is transmitted to processor simultaneously, the size of bubble generation in real time is identified followed by the bubble image border dynamic monitoring algorithm based on wavelet transformation, number and distribution, the latent heat of vaporization of now bubble is calculated with this, last automatic storage real time data, renewal is integrated into a database for latent heat of vaporization online monitoring system;The present invention can be applied to the thermal control demand of electronic component, and its latent heat of vaporization data is accurately obtained in real time by realizing non-cpntact measurement.
Description
Technical field
The present invention relates to electronic component fever monitoring field, more particularly, to a kind of latent heat of vaporization on-line monitoring
Mode identification method and system.
Background technology
High-tech development and popularization so that electronic component is constantly sent out towards the direction of high-power, high density, miniaturization
Exhibition.While performance more and more higher, device power also constantly increases, produced heat then more and more higher in unit area.
High performance cooling means and radiating mode are particularly important and in a hurry.Wherein, method of real-time and device can make thermal control
Technology becomes more timely and effective, and Land use models identification carries out non-cpntact measurement, reduces conventional measuring equipment to diabatic process
Interference, so as to realize accuracy controlling.
The content of the invention
The present invention provides a kind of mode identification method of latent heat of vaporization on-line monitoring, and the method can realize non-cpntact measurement i.e.
Its latent heat of vaporization data can be accurately obtained in real time.
A further object of the present invention is to provide a kind of PRS of latent heat of vaporization on-line monitoring.
In order to reach above-mentioned technique effect, technical scheme is as follows:
A kind of mode identification method of latent heat of vaporization on-line monitoring, comprises the following steps:
S1:It is irradiated with white light source respectively on tri- directions of x-y-z of porous material;
S2:The process of bubble is produced to be clapped in real time the porous material irradiated by white light source using high-speed camera
Take the photograph;
S3:Collect photographed data and be identified bubble reality using the bubble image border dynamic monitoring based on wavelet transformation
The size of Shi Shengcheng, number and distribution;
S4:The latent heat of vaporization of bubble is calculated using the bubble for the obtaining size of generation, number and distribution in real time.
Further, the porous material includes metal material and ceramic material, and the thickness of porous material is much smaller than level
The yardstick in direction.
Further, automatic storage real time data after the latent heat of vaporization result of real-time bubble is obtained, renewal is integrated into one
The database of individual latent heat of vaporization online monitoring system.
A kind of PRS of latent heat of vaporization on-line monitoring, including:
White light source, is irradiated for tri- directions of x-y-z to porous material;
High-speed camera, for producing the process of bubble to carry out captured in real-time to the porous material irradiated by white light source;
Processor, for collecting photographed data and being known using the bubble image border dynamic monitoring based on wavelet transformation
Other bubble the size of generation, number and is distributed and calculates the latent heat of vaporization of bubble in real time;
The white light source and high-speed camera are relative direction in the arrangement in the x-y-z directions of porous material, and
It is connected with processor.
Further, including archival memory, for store after the latent heat of vaporization result for obtaining real-time bubble from
The database of dynamic storage real time data, the archival memory is also connected with processor.
Compared with prior art, the beneficial effect of technical solution of the present invention is:
The present invention first tri- directions of x-y-z respectively by white light source irradiation on the porous material, then using this three
The high-resolution high-speed camera in individual direction carries out bubble formation process in captured in real-time porous material, while photographed data is passed
Processor is led, be identified bubble followed by the bubble image border dynamic monitoring algorithm based on wavelet transformation generates in real time
Size, number and distribution, the latent heat of vaporization of now bubble is calculated with this, last automatic storage real time data updates and integrates
Into a database for latent heat of vaporization online monitoring system;The present invention can be applied to the thermal control demand of electronic component, realize non-
Contact measurement can accurately obtain its latent heat of vaporization data in real time.
Brief description of the drawings
Fig. 1 is the flow chart of the inventive method;
Fig. 2 is the structure chart of present system.
Specific embodiment
Accompanying drawing being for illustration only property explanation, it is impossible to be interpreted as the limitation to this patent;
In order to more preferably illustrate the present embodiment, accompanying drawing some parts have omission, zoom in or out, and do not represent actual product
Size;
To those skilled in the art, it can be to understand that some known features and its explanation may be omitted in accompanying drawing
's.
Technical scheme is described further with reference to the accompanying drawings and examples.
Embodiment 1
As shown in figure 1, a kind of mode identification method of latent heat of vaporization on-line monitoring, comprises the following steps:
S1:It is irradiated with white light source respectively on tri- directions of x-y-z of porous material;
S2:The process of bubble is produced to be clapped in real time the porous material irradiated by white light source using high-speed camera
Take the photograph;
S3:Collect photographed data and be identified bubble reality using the bubble image border dynamic monitoring based on wavelet transformation
The size of Shi Shengcheng, number and distribution;
S4:The latent heat of vaporization of bubble is calculated using the bubble for the obtaining size of generation, number and distribution in real time.
Porous material includes metal material and ceramic material, the yardstick of the thickness much smaller than horizontal direction of porous material.
Automatic storage real time data after the latent heat of vaporization result of real-time bubble is obtained, renewal is integrated into a latent heat of vaporization
The database of online monitoring system.
The method is also applied for limiting case, i.e., when it is 100% that porous material is porosity, porous media becomes empty
Cavity configuration.
Embodiment 2
As shown in Fig. 2 a kind of PRS of latent heat of vaporization on-line monitoring, including:
White light source 1, is irradiated for tri- directions of x-y-z to porous material 2;
High-speed camera 3, for producing the process of bubble to be clapped in real time the porous material 2 irradiated by white light source
Take the photograph;
Processor 4, for collecting photographed data and being carried out using the bubble image border dynamic monitoring based on wavelet transformation
Identification bubble the size of generation, number and is distributed and calculates the latent heat of vaporization of bubble in real time;
The white light source 1 and high-speed camera 3 are relative direction in the arrangement in the x-y-z directions of porous material 2, and
And be connected with processor 4.
It is real for storing the automatic storage after the latent heat of vaporization result for obtaining real-time bubble including archival memory 5
When data database, the archival memory 5 is also connected with processor 4.
The present invention white light source 1 is irradiated on the porous material respectively in tri- directions of x-y-z first, then using this three
The high-resolution high-speed camera 3 in individual direction carries out the inner bubble formation process of captured in real-time porous material 2, while photographed data
Processor 4 is transmitted to, it is real-time to be identified bubble followed by the bubble image border dynamic monitoring algorithm based on wavelet transformation
The size of generation, number and distribution, the latent heat of vaporization of now bubble is calculated with this, last automatic storage real time data, is updated
It is integrated into a database for latent heat of vaporization online monitoring system;The present invention can be applied to the thermal control demand of electronic component, real
Existing non-cpntact measurement can accurately obtain its latent heat of vaporization data in real time.
The same or analogous part of same or analogous label correspondence;
Position relationship for the explanation of being for illustration only property described in accompanying drawing, it is impossible to be interpreted as the limitation to this patent;
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not right
The restriction of embodiments of the present invention.For those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms.There is no need and unable to be exhaustive to all of implementation method.It is all this
Any modification, equivalent and improvement made within the spirit and principle of invention etc., should be included in the claims in the present invention
Protection domain within.
Claims (5)
1. the mode identification method that a kind of latent heat of vaporization is monitored on-line, it is characterised in that comprise the following steps:
S1:It is irradiated with white light source respectively on tri- directions of x-y-z of porous material;
S2:The process of the porous material generation bubble using high-speed camera to being irradiated by white light source carries out captured in real-time;
S3:Collect photographed data and be identified bubble using the bubble image border dynamic monitoring based on wavelet transformation and give birth in real time
Into size, number and distribution;
S4:The latent heat of vaporization of bubble is calculated using the bubble for the obtaining size of generation, number and distribution in real time.
2. the mode identification method that the latent heat of vaporization according to claim 1 is monitored on-line, it is characterised in that the porous material
Material includes metal material and ceramic material, the yardstick of the thickness much smaller than horizontal direction of porous material.
3. the mode identification method that the latent heat of vaporization according to claim 1 is monitored on-line, it is characterised in that obtain in real time
Automatic storage real time data after the latent heat of vaporization result of bubble, renewal is integrated into a data for latent heat of vaporization online monitoring system
Storehouse.
4. a kind of system of the mode identification method for applying the latent heat of vaporization as claimed in claim 1 on-line monitoring, its feature exists
In, including:
White light source, is irradiated for tri- directions of x-y-z to porous material;
High-speed camera, for producing the process of bubble to carry out captured in real-time to the porous material irradiated by white light source;
Processor, for collecting photographed data and being identified gas using the bubble image border dynamic monitoring based on wavelet transformation
Bubble the size of generation, number and is distributed and calculates the latent heat of vaporization of bubble in real time;
The white light source and high-speed camera in the arrangement in the x-y-z directions of porous material be relative direction, and with
Processor is connected.
5. the PRS that the latent heat of vaporization according to claim 4 is monitored on-line, it is characterised in that including database
Memory, the database for storing the automatic storage real time data after the latent heat of vaporization result for obtaining real-time bubble, the number
Also it is connected with processor according to storehouse memorizer.
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Citations (5)
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---|---|---|---|---|
CN101324533A (en) * | 2007-06-13 | 2008-12-17 | 中国科学院工程热物理研究所 | System for observing and measuring multiphase system microjet phase-change energy mass transfer course |
CN101865864A (en) * | 2010-06-08 | 2010-10-20 | 华东理工大学 | System for testing phase transformation cooling effect of electronic components |
CN102725622A (en) * | 2009-12-09 | 2012-10-10 | 罗地亚管理公司 | Method and facility, using transfer between a gas and a liquid, for predetermining at least one conversion parameter |
CN103487459A (en) * | 2013-10-15 | 2014-01-01 | 北京大学 | Test system and method for cooling performance of microscale liquid cooler |
CN204514743U (en) * | 2015-03-17 | 2015-07-29 | 上海易尔思节能系统有限公司 | A kind of latent heat of vaporization determinator of water |
-
2016
- 2016-11-11 CN CN201610994375.3A patent/CN106769799A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101324533A (en) * | 2007-06-13 | 2008-12-17 | 中国科学院工程热物理研究所 | System for observing and measuring multiphase system microjet phase-change energy mass transfer course |
CN102725622A (en) * | 2009-12-09 | 2012-10-10 | 罗地亚管理公司 | Method and facility, using transfer between a gas and a liquid, for predetermining at least one conversion parameter |
CN101865864A (en) * | 2010-06-08 | 2010-10-20 | 华东理工大学 | System for testing phase transformation cooling effect of electronic components |
CN103487459A (en) * | 2013-10-15 | 2014-01-01 | 北京大学 | Test system and method for cooling performance of microscale liquid cooler |
CN204514743U (en) * | 2015-03-17 | 2015-07-29 | 上海易尔思节能系统有限公司 | A kind of latent heat of vaporization determinator of water |
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Application publication date: 20170531 |