CN113029806B - Visual detection equipment for high-temperature performance of material with external magnetic field - Google Patents

Visual detection equipment for high-temperature performance of material with external magnetic field Download PDF

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CN113029806B
CN113029806B CN202110241837.5A CN202110241837A CN113029806B CN 113029806 B CN113029806 B CN 113029806B CN 202110241837 A CN202110241837 A CN 202110241837A CN 113029806 B CN113029806 B CN 113029806B
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module
unit
oven door
hearth
heating
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CN113029806A (en
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黄奥
李昇昊
顾华志
付绿平
张美杰
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Wuhan University of Science and Engineering WUSE
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Wuhan University of Science and Engineering WUSE
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Priority to PCT/CN2021/082434 priority patent/WO2022183544A1/en
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
    • G01N3/18—Performing tests at high or low temperatures
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/02—Details
    • G01N3/04—Chucks
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02—Details not specific for a particular testing method
    • G01N2203/022—Environment of the test
    • G01N2203/0222—Temperature
    • G01N2203/0226—High temperature; Heating means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02—Details not specific for a particular testing method
    • G01N2203/06—Indicating or recording means; Sensing means
    • G01N2203/0617—Electrical or magnetic indicating, recording or sensing means
    • G01N2203/0635—Electrical or magnetic indicating, recording or sensing means using magnetic properties
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02—Details not specific for a particular testing method
    • G01N2203/06—Indicating or recording means; Sensing means
    • G01N2203/0641—Indicating or recording means; Sensing means using optical, X-ray, ultraviolet, infrared or similar detectors
    • G01N2203/0647—Image analysis

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
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  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
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  • Pathology (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
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Abstract

The invention relates to a visual detection device for high-temperature performance of a material with an external magnetic field, which comprises: the furnace body unit is used for providing a detected space for the detected material; the furnace body unit is provided with a visible window module, and the visible window module is used for providing a window for the optical detection unit to detect the detected material; the heating and cooling unit is used for heating the detected material and cooling the furnace body unit; the cooling module of the heating and cooling unit is arranged on the outer side of the furnace body unit; the magnetic supply unit is used for providing a magnetic field environment for the detected material; the vacuum unit is used for providing a vacuum environment for the inner space of the furnace body unit; the optical detection unit is used for detecting the change of the detected material in real time; the optical detection unit is arranged on the outer side of the furnace body unit and is matched with the height of the visible window module. The invention can intuitively observe the change state of the detected material in the high-temperature service process under the environment of an external magnetic field in real time, and has high image acquisition quality.

Description

Visual detection equipment for high-temperature performance of material with external magnetic field
Technical Field
The invention relates to the technical field of detection of service performance of materials, in particular to visual detection equipment for high-temperature performance of a material with an external magnetic field.
Background
The electromagnetic process of the material is a new leading-edge interdisciplinary subject and research direction, and has important significance for metal smelting, non-metallic materials, new materials and the like. The electromagnetic field widely exists in the field of metallurgy, and along with the deep development of electromagnetic metallurgy theory research and basic research work, the application of the electromagnetic field in the field of metallurgy is mature day by day, and an important way is provided for smelting new steel types and improving the quality of steel. The refractory material plays a vital role in the high-efficiency and safe production of hot working equipment such as steel smelting and the like and the quality of products, is an essential basic material in the high-temperature industrial production such as metallurgy, electric power, petrochemical industry, aerospace industry and the like, and the damage of the refractory material has great influence on the safe and efficient operation of a high-temperature kiln and the quality of steel production. The external electromagnetic field can influence the motion state of molten steel and the properties of molten slag in the steel smelting process, and finally influences the steel performance, the slag corrosion behavior of refractory materials and the like, so that the research on the high-temperature mechanical property, the erosion resistance and the like of the materials in the magnetic field environment has great significance.
The existing strain measurement methods are generally classified into a contact strain measurement method and a non-contact strain measurement method. The contact type strain measurement method is characterized by the strain of a material according to the displacement of a measuring head, on one hand, the measurement range is limited, and generally only single-point or local strain can be measured; on the other hand, the contact strain measurement can only obtain average strain information, and cannot accurately represent asymmetric strain. Compared with the traditional contact type strain measurement technology, the main principle of the non-contact type strain measurement technology is based on the digital image correlation technology, the deformation measurement is realized based on the machine vision principle, the contact with a test piece can be avoided, the whole process of stretching or compression can be detected, any influence on the measurement test piece can not be generated, but the change of the heated density of the gas in the test environment influences the light refractive index, so that the image acquisition quality and the calculation precision are influenced. And at present, no means for effectively realizing the visual detection of the high-temperature performance of the material in an external magnetic field environment at 1600 ℃ is available.
Disclosure of Invention
The invention aims to provide visual detection equipment for high-temperature performance of a material with an external magnetic field, which aims to solve the defects in the prior art and solve the technical problem by adopting the following technical scheme.
A visual detection device for high-temperature performance of a material with an applied magnetic field comprises:
the furnace body unit is used for providing a detected space for the detected material; the furnace body unit is provided with a visible window module, and the visible window module is used for providing a window for the optical detection unit to detect the detected material;
the heating and cooling unit is used for heating the detected material and cooling the furnace body unit; the cooling module of the heating and cooling unit is arranged on the outer side of the furnace body unit;
the magnetic supply unit is used for providing a magnetic field environment for the detected material;
the vacuum unit is used for providing a vacuum environment for the inner space of the furnace body unit;
the optical detection unit is used for detecting the change of the detected material in real time; the optical detection unit is arranged on the outer side of the furnace body unit and is matched with the height of the visible window module.
Preferably, the furnace body unit comprises a hearth module, and the hearth module comprises a furnace shell and a hearth brick which is attached to the inner wall of the furnace shell and is hollow inside; the furnace shell and the hearth brick are provided with holes matched with the heating and cooling units at corresponding positions on the upper surfaces, and the furnace shell and the hearth brick are provided with holes matched with the vacuum units at corresponding positions on the side surfaces.
Preferably, the furnace shell is provided with a furnace door module, the furnace door module comprises a furnace door hinged with the furnace shell and a furnace door heat-resistant rubber ring arranged on the inner surface of the furnace door, the non-hinged end of the furnace door is provided with a furnace door buckle, and the furnace door buckle is matched with the bolt screw and the bolt nut to tightly press the furnace door on the furnace shell.
Preferably, the furnace door is provided with a visible window module, the visible window module comprises a visible window arranged on the furnace door, quartz glass positioned outside the furnace door and covering the visible window, and a heat-resistant rubber ring arranged between the furnace door and the quartz glass, and the quartz glass and the heat-resistant rubber ring are fixedly arranged on the outer side surface of the furnace door through flanges.
Preferably, the heating and cooling unit comprises a heating temperature measuring module, the heating temperature measuring module comprises a heating element arranged in the hearth module, a thermocouple arranged in the hearth module and externally sleeved with a corundum protective sleeve, and a heating controller connected with the heating element and the thermocouple, and the heating element penetrates through holes in the upper surfaces of the furnace shell and the hearth brick and extends into the hearth module.
Preferably, the cooling module comprises a water pump and a cooling water pipeline which is connected with the water pump and is spirally arranged on the periphery of the furnace shell.
Preferably, the magnetism supply unit comprises a power supply positioned outside the furnace body unit, a coil connected with the power supply, and a sample table positioned in the hearth module; the magnetic coil furnace is characterized in that a magnetic coil empty slot is formed in the hearth brick, the coil is placed in the magnetic coil empty slot, through hole holes are formed in the side surfaces of the hearth brick and the furnace shell, and two ends of the coil penetrate through the through hole holes to be connected with the power supply.
Preferably, the sample table is a square table made of silicon carbide ceramic, alumina ceramic or graphite, the coil is a mica-coated pure nickel core high-temperature resistant coil, and the power supply is a direct current power supply or an alternating current power supply.
Preferably, the vacuum unit comprises a vacuum pump, an exhaust pipe connecting the vacuum pump and the hearth module, a vacuum valve and a pressure gauge, and the vacuum valve and the pressure gauge are arranged on the exhaust pipe, and the exhaust pipe is communicated with the inner space of the hearth module.
Preferably, the optical detection unit includes the fixed bolster, locates two industry cameras on the fixed bolster, locate on the fixed bolster and be located the initiative light source between two industry cameras, install band-pass filter lens and neutral gray mirror in proper order on the camera lens of industry camera, mutually perpendicular between two industry cameras.
Compared with the prior art, the invention has the following beneficial effects:
(1) according to the invention, through the optical detection unit, an active light source imaging technology is adopted, and a band-pass filter lens with the same central wavelength as that of the active light source is matched, so that the influence of thermal radiation on the acquisition contrast of the pattern marking image signal on the surface of the detected sample in a 1600-DEG C high-temperature service state can be effectively eliminated. The detection area is subjected to vacuum processing, a neutral gray scale mirror with low light flux is loaded at the lens to prolong the exposure time, and heat flow disturbance is averaged through a physical means, so that the interference of light refraction fluctuation caused by air density change in the optical path system on image signal acquisition is reduced. The monochromatic light source illumination and band-pass filter imaging technology based on the active light source can intuitively observe the change state of the detected material in the high-temperature service process in real time.
(2) According to the invention, the vacuum unit is arranged, so that a vacuum environment is provided for the sample, the influence of the change of the heated density of the gas on the light refractive index is reduced, and the image acquisition quality and the calculation precision are improved.
(3) The magnetic supply system is arranged, so that a static magnetic field and an alternating magnetic field can be provided, so that the surface strain information of the material in the service process under different magnetic field environments can be obtained, and the service performance parameters of the material under the high-temperature electromagnetic environment can be obtained; the magnetic coil is arranged in the high-temperature furnace, so that the magnetic loss of the electromagnetic coil is reduced to the maximum extent, and the magnetic field lines generated by the electromagnetic coil can be ensured to be uniform and controllable; the electromagnetic coil is a mica-coated pure nickel core high-temperature resistant coil, so that the equipment can be ensured to realize strong electromagnetic field stable long-term loading in a high-temperature environment of 1600 ℃ at most.
(4) The equipment is constructed in a modularized mode and comprises five unit systems including a furnace body unit, a heating and cooling unit, a magnetic supply unit, a vacuum unit and an optical detection unit, consumable materials are easy to replace, and replacement cost is low. The optical path system including the optical detection unit is simple, low in cost, and easy to maintain and repair.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of a furnace body unit according to the present invention;
FIG. 3 is a schematic view showing the structure of the furnace shell according to the present invention;
FIG. 4 is a schematic structural view of a hearth brick of the present invention;
FIG. 5 is a schematic cross-sectional view of a furnace module according to the present invention;
FIG. 6 is a schematic view of a furnace door module according to the present invention;
FIG. 7 is an exploded view of the visible window module of the present invention;
FIG. 8 is a schematic sectional view of a visual window module according to the present invention;
FIG. 9 is a schematic view of a heating and cooling unit according to the present invention;
FIG. 10 is a schematic structural diagram of a heating and temperature measuring module according to the present invention;
FIG. 11 is a schematic view of the cooling module of the present invention;
FIG. 12 is a schematic view showing the installation of the heating and cooling unit according to the present invention;
FIG. 13 is a schematic view of a magnetic unit according to the present invention;
FIG. 14 is a schematic view of the installation of the magnet unit in the present invention;
FIG. 15 is a schematic cross-sectional view of a magnetic unit according to the present invention;
FIG. 16 is a schematic view showing the structure of a vacuum unit according to the present invention;
FIG. 17 is a schematic structural diagram of an optical detection unit according to the present invention;
FIG. 18 is a schematic view of the installation of the optical detection unit of the present invention;
the reference numbers in the drawings are, in order: 100. a furnace body unit; 110. the furnace comprises a hearth module 111, a furnace shell 112, hearth bricks 113 and a magnetic coil empty slot; 120. the oven door module comprises an oven door module 121, an oven door 122, an oven door heat-resistant rubber ring 123, hinges 124, an oven door buckle 125, a door bolt screw 126 and a door bolt nut; 130. a visible window module 131, a visible window 132, quartz glass 133, a heat-resistant rubber ring 134 and a flange; 200. a heating and cooling unit; 210. the heating temperature measuring module 211, the heating element 212, the thermocouple 213 and the heating controller; 220. the cooling module 221, the water pump 222, the cooling water pipeline 223, the cooling water inlet 224 and the cooling water outlet; 300. a magnetic supply unit; 301. a coil 302, a through hole 303, a power supply 304, a sample table 305 and a sample; 400. a vacuum unit; 401. a vacuum pump 402, an exhaust tube 403, a vacuum valve 404 and a pressure gauge; 500. an optical detection unit; 501. industrial camera 502, active light source 503, band-pass filter lens 504, neutral gray mirror 505, fixed support.
Detailed Description
It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Example 1:
referring to fig. 1 to 18, a visual inspection device for high temperature performance of a material with an applied magnetic field is improved by comprising:
a furnace body unit 100 for providing a detected space for a detected material; the furnace body unit 100 is provided with a visible window module 130, and the visible window module 130 is used for providing a window for the optical detection unit 500 to detect the detected material;
a heating and cooling unit 200 for heating the material to be detected and cooling the furnace body unit 100; the cooling module 220 of the heating and cooling unit 200 is arranged outside the furnace body unit 100;
a magnetic supply unit 300 for providing a magnetic field environment for the detected material;
a vacuum unit 400 for providing a vacuum environment for the inner space of the furnace body unit 100;
an optical detection unit 500 for detecting a change of the detected material in real time; the optical detection unit 500 is disposed outside the furnace body unit 100 and matches with the height of the visible window module 130.
In this embodiment: the furnace body unit 100 is an apparatus main body of the present invention, and is configured to provide an experimental space for detecting a detected material; the heating and cooling unit 200 is used for heating the sample 305 of the detected material and cooling the furnace body unit 100; the magnetic supply unit 300 is used for providing a magnetic field environment for a sample 305 of a detected material; the vacuum unit 400 is used to provide a vacuum environment for the sample 305 of the material to be tested; the optical detection unit 500 is used to detect changes in the sample 305 of the material being detected in real time.
The detection device of the embodiment is a non-contact strain detection device, so that the limitation of a contact strain detection/measurement device in the prior art is overcome. The vacuum unit 400 is arranged in the embodiment, a vacuum environment is provided for the sample 305, so that the influence of the change of the heated density of the gas on the light refractive index is reduced, and the image acquisition quality and the calculation precision are improved. In the embodiment, the magnetic supply system 300 is arranged, so that service performance parameters of the material in a high-temperature electromagnetic environment can be acquired.
Further, referring to fig. 16, the vacuum unit 400 includes a vacuum pump 401, an exhaust pipe 402 connecting the vacuum pump 401 and the furnace module 110, a vacuum valve 403 disposed on the exhaust pipe 402, and a pressure gauge 404, wherein the exhaust pipe 402 is in communication with the inner space of the furnace module 110.
In this embodiment: the vacuum unit 400 is used for providing a vacuum environment for the furnace module 110, the vacuum pump 401 is used for providing power for the vacuum unit 400, the vacuum valve 403 is used for controlling the on-off of the vacuum unit 400, and the pressure gauge 404 is used for observing the air pressure in the furnace module 110.
Example 2:
on the basis of embodiment 1, referring to fig. 2 to 5, the furnace body unit 100 includes a furnace module 110, where the furnace module 110 includes a furnace shell 111 and furnace bricks 112 attached to an inner wall of the furnace shell 111 and having a hollow interior; holes matched with the heating and cooling unit 200 are formed in the positions corresponding to the upper surfaces of the furnace shell 111 and the hearth bricks 112, and holes matched with the vacuum unit 400 are formed in the positions corresponding to the side surfaces of the furnace shell 111 and the hearth bricks 112.
Further, the furnace shell 111 is a steel square shell.
Further, the hearth brick 112 is made of corundum refractory material, and the inside of the hearth brick is a hollow square space.
In this embodiment: the hearth modules 110 and the furnace shell 111 are used for providing a supporting function for components of the whole detection device, and the hearth bricks 112 are used for protecting the furnace shell 111.
Further, referring to fig. 6, an oven door module 120 is disposed on the oven shell 111, the oven door module 120 includes an oven door 121 hinged to the oven shell 111, and an oven door heat-resistant rubber ring 122 disposed on an inner surface of the oven door 121, an oven door buckle 124 is disposed at a non-hinged end of the oven door 121, and the oven door buckle 124 cooperates with the door bolt rod 125 and the door bolt nut 126 to press the oven door 121 against the oven shell 111.
Further, the oven door 121 is a steel square door.
Further, one end of the oven door 121 is hinged to the oven shell 111 through a hinge 123, and an oven door buckle 124 is welded to the other end of the oven door 121, so that the oven door 121 can be opened and closed around the hinge 123.
Further, the hinge 123 is a steel hinge, one end of which is connected to the furnace shell 111, and the other end of which is connected to the furnace door 121.
Further, the oven door buckle 124 is made of steel and has a semicircular ring shape, and one end of the steel is welded on the oven door 121; the bolt screw 125 is a steel screw, one end of which is connected to the furnace shell 111, and the other end of which is matched with a bolt nut 126; the bolt nut 126 is a steel nut.
In this embodiment: the oven door module 120 and the oven door 121 are used for taking and placing a sample 305 of a detected material, the oven door heat-resistant rubber ring 122 is used for sealing the oven door 121, the hinge 123 is used for opening and closing the oven door 121, and the oven door buckle 124, the door bolt screw 125 and the door bolt nut 126 are matched with each other to press the oven door 121 on the oven shell 111.
Further, referring to fig. 7 and 8, a visible window module 130 is disposed on the oven door 121, and the visible window module 130 includes a visible window 131 opened on the oven door 121, a quartz glass 132 located outside the oven door 121 and covering the visible window 131, and a heat-resistant rubber ring 133 disposed between the oven door 121 and the quartz glass 132, where the quartz glass 132 and the heat-resistant rubber ring 133 are fixed on an outer side surface of the oven door 121 by a flange 134.
Further, the visible window 131 is a rectangular through hole and is formed in the center of the oven door 121.
Further, the quartz glass 132 is a quartz rectangular glass slightly larger than the viewing window 131.
Further, the flange 134 is a steel rectangle, the center is a square through hole, the periphery is provided with a threaded hole, the flange is fixed on the furnace door 121 through bolts, and the quartz glass 132 and the heat-resistant rubber ring 133 are fixedly arranged on the furnace door 121.
In this embodiment, the visual window module 130, the visual window 131 and the quartz glass 132 are used for providing a window for the optical detection unit 500 to detect the sample 305 of the detected material, the quartz glass 132 is used for blocking part of the heat radiation in the furnace module 110, the heat-resistant rubber ring 133 is used for sealing the visual window 131, and the flange 134 is used for fixing the quartz glass 132 and the heat-resistant rubber ring 133 on the furnace door 121.
Example 3:
on the basis of embodiment 2, referring to fig. 9, 10 and 12, the heating and cooling unit 200 comprises a heating temperature measuring module 210, wherein the heating temperature measuring module 210 comprises a heating element 211 installed in the hearth module 110, a thermocouple 212 installed in the hearth module 110 and externally sheathed with a corundum protective sleeve, and a heating controller 213 connected with the heating element 211 and the thermocouple 212, and the heating element 211 extends into the hearth module 110 through holes on the upper surfaces of the furnace shell 111 and the hearth bricks 112.
Further, the heating element 211 is a silicon-molybdenum rod or a silicon-molybdenum band or a tungsten rod or a tungsten wire, and the upper end of the heating element 211 is connected with a heating controller.
In this embodiment: the heating element 211 is used for increasing the heat energy to heat the sample 305 of the detected material; the thermocouple 212 is used to measure the temperature within the furnace module 110; the heating controller 213 is configured to control the heating efficiency of the heating element 211 and adjust the heating efficiency of the heating element 211 according to the measurement signal of the thermocouple 212, so as to adjust the heating temperature in the furnace module 110, and thus adjust the heated temperature of the sample 305 of the detected material.
Further, referring to fig. 9, 11 and 12, the cooling module 220 includes a water pump 221, and a cooling water pipe 222 connected to the water pump 221 and spirally installed on the outer periphery of the furnace shell 111.
Further, the cooling water pipe 222 is a spiral steel round pipe, and is spirally wound and welded on the outer side surface of the furnace shell 111.
Further, one end of the cooling water pipeline 222 is a cooling water inlet 223, and the other end is a cooling water outlet 224; the cooling water inlet 223 is connected to a cooling water source, and the cooling water outlet 224 is connected to a water inlet end of the water pump 221.
In this embodiment: the cooling module 220 is used for cooling the furnace shell 111 of the furnace module 110, the water pump 221 is used for providing power for the cooling module 220, and the cooling water pipeline 222 is used for providing a flow passage for cooling water.
Example 4:
in addition to embodiment 2 or 3, referring to fig. 13, 14 and 15, the magnetic supply unit 300 includes a power supply 303 located outside the furnace body unit 100, a coil 301 connected to the power supply 303, and a sample table 304 located inside the furnace module 110; the hearth brick 112 is internally provided with a magnetic coil empty groove 113, the coil 301 is placed in the magnetic coil empty groove 113, the side surfaces of the hearth brick 112 and the furnace shell 111 are both provided with through hole 302, and two ends of the coil 301 penetrate through the through hole 302 to be connected with the power supply 303.
Further, the sample table 304 is a square table made of silicon carbide ceramic or aluminum oxide ceramic or graphite, and the height of the sample table 304 is not lower than the lower side of the visible window 131 of the visible window module 130; further, the specimen stage 304 is slightly above the bottom of the viewing window 131.
Further, the magnetic coil empty slots 113 are two in number and are respectively located above and below the sample table 304.
Further, the coil 301 is a mica-coated pure nickel core high-temperature resistant coil, the coil 301 is wound into a multi-turn spiral shape, and the coil 301 is wound in the same direction and coaxially placed in the magnetic coil holding empty slot 113.
Further, the power supply 303 is a direct current power supply or an alternating current power supply, and the positive and negative poles of the power supply 303 are connected with the coil 301 placed in the magnetic coil empty slot 113 to supply power to the coil 301, so that the coil generates an induction magnetic field with certain strength and direction in the middle of the hearth module 110.
In this embodiment: the magnetic supply unit 300 is used for providing an electromagnetic field with a certain intensity for a sample 305 of a detected material, the sample table 304 is used for placing the sample 305 of the detected material, and the power supply 303 can provide a static magnetic field and an alternating magnetic field so as to obtain surface strain information of the sample 305 in a service process under different magnetic field environments, thereby obtaining service performance parameters of the sample 305 under a high-temperature electromagnetic environment.
Example 5:
in any of embodiments 1 to 4, referring to fig. 17 and 18, the optical detection unit 500 includes a fixing bracket 505, two industrial cameras 501 disposed on the fixing bracket 505, and an active light source 502 disposed on the fixing bracket 505 and located between the two industrial cameras 501, wherein a band-pass filter 503 and a neutral gray scale mirror 504 are sequentially mounted on a lens of the industrial camera 501, and the two industrial cameras 501 are perpendicular to each other.
Further, the light emitted by the active light source 502 is visible light with a wavelength of 350-450 nm.
Further, the cut-off range of the optical wave of the band-pass filter 503 is 10 to 30nm, and the central wavelength is the same as the wavelength of the light emitted by the active light source 502.
Further, the light flux of the neutral gray-scale mirror 504 is 0.2-10%.
Further, the fixing bracket 505 is a triangular bracket and is placed right in front of the visible window 131.
Further, the height of the fixing bracket 505 is not lower than the lower side of the visual window 131 of the visual window module 130; further, the fixing bracket 505 is slightly higher than the lower side of the visual window 131.
In this embodiment: the optical detection unit 500 is used for detecting the change of the sample 306 of the detected material in real time, the industrial camera 501 is used for photographing the sample 306, the active light source 502 is used for providing a light source for photographing the sample 306, and the fixing support 505 is used for fixing the industrial camera 501 and the active light source 502.
It should be noted that the above detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise. Furthermore, it will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the accompanying drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in other sequences than described of illustrated herein.
Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements explicitly listed, but may include other steps or elements not explicitly listed or inherent to such process, method, article, or apparatus.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may also be oriented in other different ways, such as by rotating it 90 degrees or at other orientations, and the spatially relative descriptors used herein interpreted accordingly.
In the foregoing detailed description, reference is made to the accompanying drawings, which form a part hereof. In the drawings, like symbols typically identify like components, unless context dictates otherwise. The illustrated embodiments described in the detailed description, drawings, and claims are not meant to be limiting. Other embodiments may be utilized, and other changes may be made, without departing from the spirit or scope of the subject matter presented here.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The visual detection equipment of the high temperature performance of the material of an applied magnetic field is characterized by comprising:
a furnace body unit (100) for providing a detected space for a detected material; the furnace body unit (100) is provided with a visible window module (130), and the visible window module (130) is used for providing a window for the optical detection unit (500) to detect the detected material; the furnace body unit (100) comprises a hearth module (110), wherein the hearth module (110) comprises a furnace shell (111) and hearth bricks (112) which are attached to the inner wall of the furnace shell (111) and are hollow inside; holes matched with the heating and cooling unit (200) are formed in the positions corresponding to the upper surfaces of the furnace shell (111) and the hearth brick (112), and holes matched with the vacuum unit (400) are formed in the positions corresponding to the side surfaces of the furnace shell (111) and the hearth brick (112);
a heating and cooling unit (200) for heating the material to be detected and cooling the furnace body unit (100); the cooling module (220) of the heating and cooling unit (200) is arranged at the outer side of the furnace body unit (100); the cooling module (220) comprises a water pump (221) and a cooling water pipeline (222) which is connected with the water pump (221) and is spirally arranged on the periphery of the furnace shell (111); the heating and cooling unit (200) comprises a heating temperature measuring module (210), the heating temperature measuring module (210) comprises a heating element (211) arranged in the hearth module (110), a thermocouple (212) which is arranged in the hearth module (110) and is externally sleeved with a corundum protective sleeve, and a heating controller (213) connected with the heating element (211) and the thermocouple (212), and the heating element (211) penetrates through holes in the upper surfaces of the furnace shell (111) and the hearth brick (112) and extends into the hearth module (110);
a magnetic supply unit (300) for providing a magnetic field environment for the detected material;
a vacuum unit (400) for providing a vacuum environment for the inner space of the furnace body unit (100);
an optical detection unit (500) for detecting a change in the detected material in real time; the optical detection unit (500) is arranged on the outer side of the furnace body unit (100) and is matched with the height of the visible window module (130); the optical detection unit (500) comprises a fixing support (505), two industrial cameras (501) arranged on the fixing support (505), and an active light source (502) arranged on the fixing support (505) and located between the two industrial cameras (501), wherein a band-pass filter lens (503) and a neutral gray scale mirror (504) are sequentially arranged on a lens of each industrial camera (501), and the two industrial cameras (501) are perpendicular to each other.
2. A testing device according to claim 1, characterized in that: the oven door structure is characterized in that an oven door module (120) is arranged on the oven shell (111), the oven door module (120) comprises an oven door (121) hinged to the oven shell (111) and an oven door heat-resistant rubber ring (122) arranged on the inner surface of the oven door (121), an oven door buckle (124) is arranged at the non-hinged end of the oven door (121), and the oven door buckle (124) is matched with the door bolt screw rod (125) and the door bolt nut (126) to tightly press the oven door (121) on the oven shell (111).
3. A testing device according to claim 2, characterized in that: the oven door (121) is provided with a visible window module (130), the visible window module (130) comprises a visible window (131) arranged on the oven door (121), quartz glass (132) located on the outer side of the oven door (121) and covering the visible window (131), and a heat-resistant rubber ring (133) arranged between the oven door (121) and the quartz glass (132), and the quartz glass (132) and the heat-resistant rubber ring (133) are fixedly arranged on the outer side surface of the oven door (121) through flanges (134).
4. A testing device according to claim 1, characterized in that: the magnetic supply unit (300) comprises a power supply (303) positioned outside the furnace body unit (100), a coil (301) connected with the power supply (303), and a sample table (304) positioned in the hearth module (110); the magnetic coil placing hollow groove (113) is formed in the hearth brick (112), the coil (301) is placed in the magnetic coil placing hollow groove (113), through-wire holes (302) are formed in the side faces of the hearth brick (112) and the furnace shell (111), and two ends of the coil (301) penetrate through the through-wire holes (302) to be connected with the power supply (303).
5. A testing device according to claim 4, characterized in that: the sample table (304) is a square table made of silicon carbide ceramic, aluminum oxide ceramic or graphite, the coil (301) is a mica-coated pure nickel core high-temperature resistant coil, and the power supply (303) is a direct current power supply or an alternating current power supply.
6. A testing device according to claim 1, characterized in that: the vacuum unit (400) comprises a vacuum pump (401), an exhaust pipe (402) connected with the vacuum pump (401) and the hearth module (110), a vacuum valve (403) arranged on the exhaust pipe (402) and a pressure gauge (404), wherein the exhaust pipe (402) is communicated with the inner space of the hearth module (110).
CN202110241837.5A 2021-03-04 2021-03-04 Visual detection equipment for high-temperature performance of material with external magnetic field Active CN113029806B (en)

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PCT/CN2021/082434 WO2022183544A1 (en) 2021-03-04 2021-03-23 Visualization detection device and detection method for high-temperature performance of material in external magnetic field

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113865512A (en) * 2021-12-02 2021-12-31 北京中天星控科技开发有限公司 Contour scanning and measuring device and method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63290927A (en) * 1987-05-25 1988-11-28 Hitachi Ltd Photodetecton by superconducting material
JP2004247438A (en) * 2003-02-13 2004-09-02 Canon Inc Cooling apparatus
AU2011306857A1 (en) * 2010-09-24 2013-03-28 Sicpa Holding Sa Device, system and method for producing a magnetically induced visual effect
CN206132719U (en) * 2016-07-20 2017-04-26 兰州大学 Does strong magnetic field environment exert oneself electric coupling loading and non -contact flash ranging anamorphotic system
CN208140497U (en) * 2018-01-26 2018-11-23 吉林大学 Patch electrified regulation formula high-temp in-situ dual-spindle testing instrument
KR101932882B1 (en) * 2018-06-22 2019-03-20 주식회사 형제레이저 Laser manufacturing apparatus

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2675586B1 (en) * 1991-04-19 1993-08-06 Aerospatiale DEVICE FOR ESTIMATING, AT HIGH TEMPERATURE, THE ELECTROMAGNETIC CHARACTERISTICS OF A MATERIAL.
CN100485063C (en) * 2006-01-24 2009-05-06 东北大学 High temperature treating device under strong magnetic field
US7821630B2 (en) * 2008-05-02 2010-10-26 Siemens Aktiengesellschaft Device for monitoring a turret in a cryomagnet
EP2223719A1 (en) * 2009-02-27 2010-09-01 Koninklijke Philips Electronics N.V. Therapeutic apparatus for treating a subject using magnetic nanoparticles
CN101813417B (en) * 2010-03-19 2012-05-23 南昌航空大学 High temperature moire experimental furnace
CN203037038U (en) * 2012-12-21 2013-07-03 湖南阳东微波科技有限公司 Integral type microwave vacuum sintering furnace
CN103341618B (en) * 2013-07-29 2015-03-25 张莫南 Microcell high-intensity magnetic field micro high temperature device capable of carrying out microscopic observation
CN104390739A (en) * 2014-11-26 2015-03-04 西安微纳传感器研究所有限公司 Piezoresistive micro-melted high temperature pressure sensor and manufacturing method thereof
CN105628487B (en) * 2015-12-23 2018-08-10 吉林大学 Combined load pattern power electric heating coupling material performance in-situ test instrument and method
CN105571320B (en) * 2016-02-18 2017-10-10 西北工业大学 Multi-temperature zone tube furnace based on real time temperature measurement
CN106018707B (en) * 2016-07-20 2018-06-19 兰州大学 Piezoelectric media loading and contactless flash ranging anamorphotic system under strong magnetic field circumstance
CN106769525B (en) * 2016-11-28 2019-05-31 哈尔滨工业大学 The system and test method of tested conductor material mechanical performance under vacuum environment
CN207006878U (en) * 2017-05-17 2018-02-13 江西森阳科技股份有限公司 A kind of magnetic material vacuum sintering furnace cooling system
CN207248683U (en) * 2017-06-16 2018-04-17 武汉科技大学 Viscosity coefficient of dross measure and control device under a kind of electromagnetic field
CN107202651B (en) * 2017-07-05 2019-12-24 西安交通大学 Measuring device and measuring method for combustion temperature field of microscale initiating explosive device
CN207456181U (en) * 2017-11-07 2018-06-05 沈阳格竹科技有限公司 Fire door component and industrial furnace
CN109142406B (en) * 2018-09-07 2020-10-16 上海大学 Metal phase transition research device
CN118501054A (en) * 2019-05-31 2024-08-16 苏州基元科技有限公司 High-temperature tube furnace suitable for in-situ optical microscopic observation and spectral analysis
CN110715862B (en) * 2019-11-13 2024-06-04 吉林大学 Instrument and method for testing mechanical properties of materials under tension-torsion compound-force thermal coupling working condition
CN211626081U (en) * 2019-11-22 2020-10-02 浙江晨华科技有限公司 High-precision double-pressure-range vacuum hot-pressing furnace
CN111595176A (en) * 2020-04-08 2020-08-28 潍坊中创新材料科技有限公司 Cooling water tower and basalt fiber industrial production line cooling system
CN111829896A (en) * 2020-06-30 2020-10-27 北京航空航天大学 Ultra-high temperature strain field-temperature field synchronous measurement system and measurement method based on ultraviolet imaging

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63290927A (en) * 1987-05-25 1988-11-28 Hitachi Ltd Photodetecton by superconducting material
JP2004247438A (en) * 2003-02-13 2004-09-02 Canon Inc Cooling apparatus
AU2011306857A1 (en) * 2010-09-24 2013-03-28 Sicpa Holding Sa Device, system and method for producing a magnetically induced visual effect
CN206132719U (en) * 2016-07-20 2017-04-26 兰州大学 Does strong magnetic field environment exert oneself electric coupling loading and non -contact flash ranging anamorphotic system
CN208140497U (en) * 2018-01-26 2018-11-23 吉林大学 Patch electrified regulation formula high-temp in-situ dual-spindle testing instrument
KR101932882B1 (en) * 2018-06-22 2019-03-20 주식회사 형제레이저 Laser manufacturing apparatus

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Visualization and comparative investigations of pulsating ferro-fluid;A. Gandomkar;《Applied Thermal Engineering》;20170119(第116期);第56-65页 *
极低温—力—电—磁多场环境场下高温超导材料性能测试仪器研制及其应用研究;刘伟;《博士学位论文全文库 工程科技Ⅰ辑》;20171130(第11期);第1-148页 *

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