CN107024500A - A kind of high stability noncontact dilatometer measured for low amplitude temperature modulation - Google Patents
A kind of high stability noncontact dilatometer measured for low amplitude temperature modulation Download PDFInfo
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- CN107024500A CN107024500A CN201710195120.5A CN201710195120A CN107024500A CN 107024500 A CN107024500 A CN 107024500A CN 201710195120 A CN201710195120 A CN 201710195120A CN 107024500 A CN107024500 A CN 107024500A
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- heating tube
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- laser
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- 238000010438 heat treatment Methods 0.000 claims abstract description 69
- 229910052736 halogen Inorganic materials 0.000 claims abstract description 25
- 150000002367 halogens Chemical class 0.000 claims abstract description 25
- 239000001307 helium Substances 0.000 claims abstract description 15
- 229910052734 helium Inorganic materials 0.000 claims abstract description 15
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000007789 gas Substances 0.000 claims abstract description 13
- 239000000498 cooling water Substances 0.000 claims abstract description 12
- 230000001939 inductive effect Effects 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000001816 cooling Methods 0.000 claims abstract description 9
- 239000010453 quartz Substances 0.000 claims abstract description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000000523 sample Substances 0.000 claims description 63
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 21
- 229910052710 silicon Inorganic materials 0.000 claims description 21
- 239000010703 silicon Substances 0.000 claims description 21
- 239000002184 metal Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 239000013068 control sample Substances 0.000 claims description 5
- 239000011888 foil Substances 0.000 claims description 5
- 239000003365 glass fiber Substances 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 10
- 238000005259 measurement Methods 0.000 abstract description 9
- 238000002474 experimental method Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 239000007787 solid Substances 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000011000 absolute method Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005305 interferometry Methods 0.000 description 1
- 238000011326 mechanical measurement Methods 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000001073 sample cooling Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Classifications
-
- 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
- G01N25/16—Investigating or analyzing materials by the use of thermal means by investigating thermal coefficient of expansion
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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)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The present invention relates to material heat expansion fields of measurement, it is a kind of to include vacuum furnace for the high stability noncontact dilatometer that low amplitude temperature modulation is measured, sample cell, specimen holder, laser interferometer inductive head, laser, cooling water machine, helium gas flow control system, air flow control system, heating tube power supply, feedback circuit, computer, tracheae, water pipe, light path, heating tube, quartz window, reflector, the sample cell, heating tube is respectively provided with three sets and is respectively positioned in vacuum furnace, sample cell is in the center of vacuum furnace, the intracavity sidewall of vacuum furnace be three cross sections be elliptic contour shape reflector, the Halogen lamp LED position that a respective elliptic focus for each reflector is both corresponded in a heating tube, another respective elliptic focus coincides with sample cell position, so as to which most heats of heating tube are all converged at sample cell, the vacuum furnace cavity wall is enabled to keep the state of cooling.
Description
Technical field
The present invention relates to material heat expansion fields of measurement, particularly a kind of height measured for low amplitude temperature modulation is surely
Surely noncontact dilatometer is spent.
Background technology
Thermal coefficient of expansion is an important parameter in material physical property, determines solid thermal expansion coefficient to studying the material
The fundamental characteristics of material has important practical significance, is measured usually using dilatometer；Dilatometer is for study of various material
Thermal expansion and the method for phase in version, it is adaptable to the material such as metal, ceramics, high molecular polymer；Measure the difficult point of thermal coefficient of expansion
It is how accurately to determine length change when solid is varied with temperature.Conventional thermal coefficient of expansion measuring method is broadly divided at present
Mechanical and two kinds of optical interference formula, wherein Mechanical measurement is a kind of non-absolute method of measurement, and this is owned by France in contact type measurement,
Due to the presence of mechanical stress so that the accuracy of measurement of this method is not high；And though Through Optical Interference Spectra measurement accuracy compares Mechanical Method
Increase, but the scope of test sample is restricted, and the sample that such as michelson interferometry is measured is non-transparent material, mikey
Your inferior thermal expansion interference instrument be it is a kind of realize interference using the method for splitting light wave amplitude, and measure with this solid lengths change
Precision instrument, its principle is laser beam through sample or intermediate interface reflection produces interference with incident light, by mobile
The conversion of interference fringe quantity obtains thermal coefficient of expansion, a kind of double light beam laser interference of material thermal expansion coefficient of Chinese invention patent
Measuring method, the patent No. 200710176227.1 is exactly the measuring method of this kind of thermal expansion interference instrument.Temperature modulation technology, also
Sample temperature is had controllable change within the specific limits at former temperature, such as apply a sinusoidal alternating temperature amount, most early in
It was used in special heating measurement, is used in again on Differential Scanning Calorimeter afterwards before 30 years；The ermal physics of temperature modulation
Measurement experiment can obtain the information of the phase in version behavior of a variety of different materials, particularly to the nonmetallic system under low temperature, have
A variety of research methods, still, are not suitable for the high temperature instrument of the temperature modulation test of reguline metal alloy sample.Temperature modulation
Experiment needs the stove heated to sample to meet such characteristic：Excessive temperature can be raised to, and thermal inertia is very low simultaneously, i.e., can
Quick regulation sample temperature, the fast-changing needs of heat stream are adapted to this, simultaneously for the longer experiment of time scale,
It can guarantee that enough temperature stabilities.Traditional dependence heat radiation heats the stove of sample because the temperature of heating element heater is relative
It is relatively low, the very limited sample rate of heat addition can only be provided, moreover, the heating of the material around sample is also surveyed to prolonged temperature
Amount experiment is impacted, furthermore, input energy only has sub-fraction to be heated with sample, and other parts energy is all with radiation
Or the approach of conduction dissipates.
The content of the invention
In order to solve the above problems, a kind of high stability noncontact expansion measured for low amplitude temperature modulation
Meter, heating tube and sample are respectively positioned in vacuum chamber, and vacuum has effectively completely cut off the heat transfer of heating tube, only heating element heater, sample
It is heated with specimen holder, i.e., cold wall is heated, enables to the other parts such as vacuum furnace cavity wall to keep the state of cooling；Energy
Enough be rapidly heated, and can with higher precision quick regulation sample temperature, meet temperature modulation experiment the need for, for it is long when
Between experiment also have very high temperature stability.
The technical solution adopted in the present invention is：
A kind of high stability noncontact dilatometer measured for low amplitude temperature modulation mainly includes heating in vacuum
Stove, sample cell, the specimen holder I in sample cell and specimen holder II, laser interferometer inductive head, laser, cooling water machine, helium
Airflow volume control system, air flow control system, heating tube power supply, feedback circuit, computer, tracheae I, tracheae II, water pipe,
Light path I, light path II, the main heating tube being made up of Halogen lamp LED and silicon protection pipe, heating furnace lid, quartz window, reflector, institute
State sample cell to be connected with the heating furnace lid by screw, the laser transmitting light path I and the beam laser of light path II two can
Beat respectively in the sample on specimen holder I and on the control sample surface on specimen holder II, the laser interference
Instrument inductive head is connected by single mode glass fiber cable with the laser, and the helium gas flow control system passes through the tracheae
The I connections sample cell, the air flow control system passes through the silicon protection pipe of the tracheae II connections heating tube, position
The silicon protection pipe of the heating tube is connected by the water pipe in the cooling water machine outside the vacuum furnace, to cool down
State the heat generating component of Halogen lamp LED, the helium gas flow control system, air flow control system, heating tube power supply, feedback circuit
It is respectively positioned on outside the vacuum furnace and connects the computer, the sample cell, heating tube is respectively provided with three sets and is respectively positioned on institute
State in vacuum furnace, the sample cell is on the center of the vacuum furnace, the inner chamber of the vacuum furnace
Under be respectively provided with the reflector that metal foil reflectance coating, side wall are elliptic contour shape for three cross sections, each reflector
A respective elliptic focus both correspond in a heating tube Halogen lamp LED position, it is respective that another is oval
Focus coincides with the sample cell position, so as to which most heats of the heating tube are all converged into the sample
At QC, the vacuum furnace cavity wall is enabled to keep the state of cooling, the vacuum furnace has a transparent stone
English window enters so as to laser beam or sample, and the air light path of laser beam is maintained at 100mm or so, the vacuum furnace and
A scheelite table that passive air suspension system is housed is connected between the laser interferometer inductive head, vibration can be isolated.
The helium gas flow control system is used to control air-flow, and by the tracheae I connections sample cell, helium both may be used
For cooling to sample, air-flow is passed through the silicon protection pipe outside Halogen lamp LED, the heat exported with quick regulation Halogen lamp LED, while
It can cool to the heating unit of Halogen lamp LED, prevent Halogen lamp LED from overheating so that its temperature is maintained at optimum temperature range.Silicon is protected
Pipe separates Halogen lamp LED with vacuum system, i.e., air-flow is passed through in silicon protection pipe, is flowed between Halogen lamp LED and silicon protection pipe, due to
Needed during experiment to the heating in vacuum stove evacuation, be vacuum environment between silicon protection pipe outside and the reflector.
The air flow control system is passed through by the silicon protection pipe of the tracheae II connections heating tube, air-flow
Afterwards, with the quantity of heat given up of heating tube described in quick regulation, while the heating unit to Halogen lamp LED cools.Cooling water machine passes through water pipe
Heating tube is connected, output cooling water to cool to related heating unit.
Metal foil reflectance coating is respectively provided with above and below the inner chamber of the vacuum furnace can effectively reflect heat, intracavity sidewall
Ellipsoidal reflector the heating tube can be radiated most of heat reflection, add the heating tube and the sample cell
Position all in oval focus, the heat of reflection can be made to focus on as far as possible on the sample cell, and protect cavity wall
Hold cooling.
Non-contacting linear measure longimetry realizes that its double-beam principle used can by the Mechelson, A. A. laser interferometer of dual-beam
For measuring sample simultaneously relative to some object of reference (based on differential expansion) or some reference plane (high stability absolute value survey
Amount) length change.The dual-beam is the light path I and light path II, when the laser launches light path I and the beams of light path II two
Laser is beaten in the sample on specimen holder I and on the control sample surface on specimen holder II respectively, adjusts laser
Light-beam position, makes two beam laser be reflected each along backtracking to Laser emission mouthful through sample surfaces, interferes with incident light formation；
Laser beam optical path I and light path II light path change in displacement are measured using the laser interferometer inductive head, then by subsequent analysis just
The swell increment of sample can be calculated.
The beneficial effects of the invention are as follows：
The present invention makes the temperature of heating element heater change in 2000K/s using Halogen lamp LED, is adapted to the time delay for controlling feedback,
The change of heat rate is almost synchronous with the change of power input power；Heating tube and sample are respectively positioned in vacuum chamber, and vacuum is effective
Ground has completely cut off the heat transfer of heating tube, and only heating element heater, sample and specimen holder is heated, i.e., cold wall is heated, and is enabled to
The other parts such as vacuum furnace cavity wall keep the state of cooling, and the other assemblies of vacuum furnace are maintained at a constant temperature
Temperature control in degree, such experimentation can be more stable；It is that optics heating furnace that is quick, accurately controlling and contactless high-resolution are dry
The combination of measuring principle is related to, the measurement potentiality of temperature modulation dilatometer are extended.
Brief description of the drawings
Further illustrated with reference to the figure of the present invention：
Fig. 1 is organigram of the present invention；
Fig. 2 is vacuum furnace enlarged diagram；
Fig. 3 is Fig. 2 A-A diagrammatic cross-sections；
Fig. 4 is the cross section enlarged diagram of three reflectors.
In figure, 1. vacuum furnaces, 2. sample cells, 3. specimen holder I, 4. specimen holder II, 5. laser interferometer inductive heads, 6.
Laser, 7. cooling water machines, 8. helium gas flow control systems, 9. air flow control systems, 10. heating tube power supplys, 11. feedbacks
Circuit, 12. computers, 13. tracheae I, 14. tracheae II, 15. water pipes, 16. light path I, 17. light path II, 18. heating tubes, 19. plus
Hot bell, 20. quartz windows, 21. reflectors.
Embodiment
If Fig. 1 is organigram of the present invention, mainly include vacuum furnace 1, sample cell 2, the sample in sample cell 2
Product frame I 3 and specimen holder II 4, laser interferometer inductive head 5, laser 6, cooling water machine 7, helium gas flow control system 8, sky
Airflow volume control system 9, heating tube power supply 10, feedback circuit 11, computer 12, tracheae I 13, tracheae II 14, water pipe 15, light
Road I 16, light path II 17, the main heating tube 18 being made up of Halogen lamp LED and silicon protection pipe, heating furnace lid 19, quartz window
20th, reflector 21, the sample cell 2 is connected by screw with the heating furnace lid 19, the transmitting light path of laser 6 I 16
It can be beaten respectively in the sample on specimen holder I 3 and on specimen holder II 4 with 17 liang of beam laser of light path II
On control sample surface, the laser interferometer inductive head 5 is connected by single mode glass fiber cable with the laser 6, institute
State helium gas flow control system 8 and the sample cell 2 is connected by the tracheae I 13, the air flow control system 9 passes through
The tracheae II 14 connects the silicon protection pipe of the heating tube 18, the cooling water machine 7 outside the vacuum furnace 1
The silicon protection pipe of the heating tube 18 is connected by the water pipe 15, to cool down the heat generating component of the Halogen lamp LED, the helium
Flow control system 8, air flow control system 9, heating tube power supply 10, feedback circuit 11 are respectively positioned on the vacuum furnace 1
It is outer and connect the computer 12.
If Fig. 2 is vacuum furnace enlarged diagram；
If Fig. 3 is Fig. 2 A-A diagrammatic cross-sections, Fig. 3 reflections have three partly overlapping identical ellipses on cross section,
The sample cell 2, heating tube 18 are respectively provided with three sets and are respectively positioned in the vacuum furnace 1, and the sample cell 2 is in described true
Metal foil reflectance coating, side wall are respectively provided with above and below the center of empty heating furnace 1, the inner chamber of the vacuum furnace 1 for three
Cross section is the reflector 21 of elliptic contour shape, and a respective elliptic focus for each reflector 21 both corresponds to one
It is in place that Halogen lamp LED position, another respective elliptic focus in the individual heating tube 18 coincide with the institute of sample cell 2
Put, so as to which most heats of the heating tube 18 are all converged at the sample cell 2, enable to the vacuum
The cavity wall of heating furnace 1 keeps the state of cooling, the vacuum furnace 1 have transparent quartz window 20 so as to laser beam or
Sample enters, and the air light path of laser beam is maintained at 100mm or so, the vacuum furnace 1 and laser interferometer sensing
A scheelite table that passive air suspension system is housed is connected between first 5, vibration can be isolated.
If Fig. 4 is the cross section enlarged diagram of three reflectors, three oval integrity profile lines, three institutes are reflected
The respective one of focus for stating ellipse coincides with the sample cell (2) position.
The helium gas flow control system 8 is used to control air-flow, and the sample cell 2, helium are connected by the tracheae I 13
Gas had both been used to sample cooling, and air-flow is passed through the silicon protection pipe outside Halogen lamp LED, the heat exported with quick regulation Halogen lamp LED,
It can also cool simultaneously to the heating unit of Halogen lamp LED, prevent Halogen lamp LED from overheating so that its temperature is maintained at optimum temperature range.
Silicon protection pipe separates Halogen lamp LED with vacuum system, i.e., air-flow is passed through in silicon protection pipe, is flowed between Halogen lamp LED and silicon protection pipe
It is dynamic, need to vacuumize the vacuum furnace 1 during due to experiment, being vacuum between the reflector 21 on the outside of silicon protection pipe
Environment.
The air flow control system 9 connects the silicon protection pipe of the heating tube 18, air-flow by the tracheae II 14
After being passed through, with the quantity of heat given up of heating tube described in quick regulation 18, while the heating unit to Halogen lamp LED cools.Cooling water machine 7
Heating tube 18 is connected by water pipe 15, output cooling water to cool to related heating unit.
Metal foil reflectance coating is respectively provided with above and below the inner chamber of the vacuum furnace 1 can effectively reflect heat, lumen side
Most of heat reflection that the ellipsoidal reflector 21 of wall can radiate the heating tube 18, adds the heating tube 18 and institute
The position of sample cell 2 is stated all in oval focus, the heat of reflection can be made to focus on as far as possible on the sample cell 2,
And cavity wall is kept cooling.
Non-contacting linear measure longimetry realizes that its double-beam principle used can by the Mechelson, A. A. laser interferometer of dual-beam
For measuring sample simultaneously relative to some object of reference (based on differential expansion) or some reference plane (high stability absolute value survey
Amount) length change.The dual-beam is the light path I 16 and light path II 17, when the Hes of the laser 6 transmitting light path I 16
17 liang of beam laser of light path II are beaten in the sample on specimen holder I 3 and the control sample on specimen holder II 4 respectively
On product surface, laser beam position is adjusted, two beam laser is reflected through sample surfaces each along backtracking to Laser emission mouthful,
Interfere with incident light formation；Laser beam optical path I 16 and the light paths of light path II 17 position are measured using the laser interferometer inductive head 5
Change is moved, then the swell increment of sample can be just calculated by subsequent analysis.
Claims (1)
1. it is a kind of for low amplitude temperature modulation measure high stability noncontact dilatometer, mainly including vacuum furnace (1),
Sample cell (2), the specimen holder I (3) in sample cell (2) and specimen holder II (4), laser interferometer inductive head (5), laser
(6), cooling water machine (7), helium gas flow control system (8), air flow control system (9), heating tube power supply (10), feedback electricity
It is road (11), computer (12), tracheae I (13), tracheae II (14), water pipe (15), light path I (16), light path II (17), main by halogen
The heating tube (18) of plain lamp and silicon protection pipe composition, heating furnace lid (19), quartz window (20), reflector (21), the sample
QC (2) is connected by screw with the heating furnace lid (19), laser (6) the transmitting light path I (16) and light path II
(17) two beam laser can be beaten in the sample on specimen holder I (3) and the control sample on specimen holder II (4) respectively
On product surface, the laser interferometer inductive head (5) is connected by single mode glass fiber cable with the laser (6), described
Helium gas flow control system (8) connects the sample cell (2), the air flow control system (9) by the tracheae I (13)
The silicon protection pipe of the heating tube (18) is connected by the tracheae II (14), positioned at the vacuum furnace (1) outside described
Cooling water machine (7) connects the silicon protection pipe of the heating tube (18) by the water pipe (15), to cool down the hair of the Halogen lamp LED
Hot component, the helium gas flow control system (8), air flow control system (9), heating tube power supply (10), feedback circuit
(11) it is respectively positioned on the vacuum furnace (1) outside and connects the computer (12),
It is characterized in that：The sample cell (2), heating tube (18) are respectively provided with three sets and are respectively positioned in the vacuum furnace (1), institute
State and be respectively provided with above and below the center that sample cell (2) is in the vacuum furnace (1), the inner chamber of the vacuum furnace (1)
Metal foil reflectance coating, side wall are the reflector (21) that three cross sections are elliptic contour shapes, each reflector (21)
A respective elliptic focus both correspond in a heating tube (18) Halogen lamp LED position, it is respective another
Elliptic focus coincides with the sample cell (2) position, so as to by most heats of the heating tube (18) all
The sample cell (2) place is converged to, enables to the vacuum furnace (1) cavity wall to keep the state of cooling, the heating in vacuum
Stove (1) has a transparent quartz window (20) so as to laser beam or sample entrance, and the air light path of laser beam is maintained at
100mm or so, is connected with one equipped with passive empty between the vacuum furnace (1) and the laser interferometer inductive head (5)
The scheelite table of gas suspension system, can isolate vibration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710195120.5A CN107024500A (en) | 2017-03-20 | 2017-03-20 | A kind of high stability noncontact dilatometer measured for low amplitude temperature modulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710195120.5A CN107024500A (en) | 2017-03-20 | 2017-03-20 | A kind of high stability noncontact dilatometer measured for low amplitude temperature modulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107024500A true CN107024500A (en) | 2017-08-08 |
Family
ID=59526305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710195120.5A Pending CN107024500A (en) | 2017-03-20 | 2017-03-20 | A kind of high stability noncontact dilatometer measured for low amplitude temperature modulation |
Country Status (1)
| Country | Link |
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| CN (1) | CN107024500A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86207267U (en) * | 1986-09-26 | 1987-12-12 | 北京航空学院 | Power-saving rapid heating furnace |
| CN2053326U (en) * | 1989-05-05 | 1990-02-21 | 上海钢铁研究所 | Apparatus for testing line expanding coefficient of materials by interfering method |
| JPH09257374A (en) * | 1996-03-22 | 1997-10-03 | Sumitomo Kinzoku Technol Kk | Infrared heating furnace and thermodilatometer |
| JP2007040715A (en) * | 2005-07-29 | 2007-02-15 | Ulvac-Riko Inc | Michelson optical interferometer, thermal expansion meter using optical interferometer, and thermal expansion amount measuring method |
| CN201141843Y (en) * | 2007-10-23 | 2008-10-29 | 北京科技大学 | Double-beam laser interferometry instrument for material heat expansibility |
| US20080304540A1 (en) * | 2007-06-06 | 2008-12-11 | Waters Investments Limited | System and method for thermal analysis using variable thermal resistance |
| CN201653137U (en) * | 2010-02-22 | 2010-11-24 | 长春机械科学研究院有限公司 | 1000DEG C infrared heating furnace |
| CN103411453A (en) * | 2013-08-12 | 2013-11-27 | 吕夏春 | Method or device for absorbing heat of low temperature heat sources to achieve temperature rising of object with the same temperature or high temperature |
| CN104320868A (en) * | 2014-09-29 | 2015-01-28 | 绵阳力洋英伦科技有限公司 | Elliptical surface focusing type pipe type heating device |
| CN206540858U (en) * | 2017-03-20 | 2017-10-03 | 金华职业技术学院 | A kind of high stability noncontact dilatometer measured for low amplitude temperature modulation |
-
2017
- 2017-03-20 CN CN201710195120.5A patent/CN107024500A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86207267U (en) * | 1986-09-26 | 1987-12-12 | 北京航空学院 | Power-saving rapid heating furnace |
| CN2053326U (en) * | 1989-05-05 | 1990-02-21 | 上海钢铁研究所 | Apparatus for testing line expanding coefficient of materials by interfering method |
| JPH09257374A (en) * | 1996-03-22 | 1997-10-03 | Sumitomo Kinzoku Technol Kk | Infrared heating furnace and thermodilatometer |
| JP2007040715A (en) * | 2005-07-29 | 2007-02-15 | Ulvac-Riko Inc | Michelson optical interferometer, thermal expansion meter using optical interferometer, and thermal expansion amount measuring method |
| US20080304540A1 (en) * | 2007-06-06 | 2008-12-11 | Waters Investments Limited | System and method for thermal analysis using variable thermal resistance |
| CN201141843Y (en) * | 2007-10-23 | 2008-10-29 | 北京科技大学 | Double-beam laser interferometry instrument for material heat expansibility |
| CN201653137U (en) * | 2010-02-22 | 2010-11-24 | 长春机械科学研究院有限公司 | 1000DEG C infrared heating furnace |
| CN103411453A (en) * | 2013-08-12 | 2013-11-27 | 吕夏春 | Method or device for absorbing heat of low temperature heat sources to achieve temperature rising of object with the same temperature or high temperature |
| CN104320868A (en) * | 2014-09-29 | 2015-01-28 | 绵阳力洋英伦科技有限公司 | Elliptical surface focusing type pipe type heating device |
| CN206540858U (en) * | 2017-03-20 | 2017-10-03 | 金华职业技术学院 | A kind of high stability noncontact dilatometer measured for low amplitude temperature modulation |
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