CN112525947A - Halogen lamp complex gradient thermal fatigue test device of test piece liquid cooling isolation layer - Google Patents
Halogen lamp complex gradient thermal fatigue test device of test piece liquid cooling isolation layer Download PDFInfo
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- CN112525947A CN112525947A CN202011497499.3A CN202011497499A CN112525947A CN 112525947 A CN112525947 A CN 112525947A CN 202011497499 A CN202011497499 A CN 202011497499A CN 112525947 A CN112525947 A CN 112525947A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/56—Cooling arrangements using liquid coolants
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/0033—Heating devices using lamps
- H05B3/0038—Heating devices using lamps for industrial applications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/02—Details
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Abstract
The invention discloses a halogen lamp complex gradient thermal fatigue test device of a test piece liquid cooling isolation layer, which comprises a sheet metal outer cover box body (1) with a hexagonal section, a box body upper cover (2) arranged at the top of the sheet metal outer cover box body (1), a quartz lamp holder (3) and a plurality of quartz lamp tubes (4) arranged in the sheet metal outer cover box body (1), and a test piece quartz isolation cover (5) arranged on the quartz lamp holder (3). The invention can heat the small-area sample to be measured in a high temperature gradient way and cool the small-area sample in salt spray and water mist. The quartz protective cover also has the functions of protecting the quartz glass lamp tube and prolonging the service life of the quartz glass lamp tube. Therefore, the invention realizes an economical, safe, clean, quiet, flexible and efficient gradient thermal shock test device.
Description
Technical Field
The invention relates to a complex gradient thermal fatigue heating device for a halogen lamp of a liquid cooling isolation layer of a test piece, which is suitable for a thermal fatigue heating experiment of a small-area complex curved surface structure and can be used for simulating a high-temperature experiment in an extreme thermal environment or a thin flow environment such as an aircraft engine blade, a small-sized high-temperature thermal structure and the like.
Background
The aero-engine is a pearl on the crown of modern industry, and is an important mark for measuring the comprehensive technological level, the basic strength and the comprehensive national strength of the national comprehensive technology and technology industry. With the improvement of the performance of the aircraft, the thrust-weight ratio required by the aircraft engine has higher requirements. Along with the improvement of the performance of the aircraft engine, the gas temperature of the air inlet of the high-pressure turbine of the aircraft engine is increased, and extremely strict requirements are provided for the service life of blades of the aircraft engine. For an aircraft engine blade, the interior of the blade contains a flow channel and a high temperature gradient (the local heating temperature is more than 200 ℃/cm), a more advanced thermal examination mode needs to be provided.
At present, for the thermal fatigue examination problem of a test piece containing a flow channel in an aero-engine blade, the current method comprises the following steps: the position of a high-frequency induction heating component is adjusted according to the required heating surface by adopting a high-frequency electromagnetic induction mode, so that a complete experimental workpiece is difficult to heat; and a quartz lamp is adopted to adjust the position of the workpiece containing the flow channel in the blade, and exposed quartz lamp heating pipes are arranged between the supports to carry out heating test on the curved surface. Wherein, the quartz lamp heating tube is difficult to be cooled forcibly, and the electric wire of the quartz lamp tube is directly connected with the heating control power supply bus. In the experimental process, the heating curved surface is firstly pushed into a bracket of the heating equipment. The conventional heating method has the following problems:
1. the radiation from the back of the tube cannot be efficiently utilized in the heating process by the bare quartz lamp heating tube.
2. The customized equipment is simplified, and the adaptability of the pneumatic heating test for different types and sizes of curved surfaces is not realized.
3. The temperature field distribution of the blades of the aero-engine is complex, the temperature gradient is large, the area of the blades is small, the compiling difficulty of a control system is large for customizing equipment, and the experiment period is long.
4. When the test piece is cooled, the cooling liquid may splash onto the quartz lamp tube, which causes large thermal stress on the surface of the quartz lamp tube and damages the quartz lamp tube.
5. It is impossible to simulate a high-altitude thin flow environment or even a vacuum environment, and it is impossible to perform an experiment using a shielding gas.
Disclosure of Invention
In order to solve the problems, the invention provides a halogen lamp with a liquid cooling interlayer and a plane heating device, which have the characteristics of compact structure, stable performance, large-scale modular splicing, easy temperature control and better efficiency, and meanwhile, a protective cover is added to protect a quartz lamp tube and prolong the service life of the quartz lamp tube, and conditions are created for further experiments of high-altitude thin flow and the like.
The invention is realized by adopting the following technical scheme:
a halogen lamp complex gradient thermal fatigue test device for a test piece liquid cooling isolation layer comprises a metal plate outer cover box body with a hexagonal section, a box body upper cover arranged at the top of the metal plate outer cover box body, a quartz lamp holder and a plurality of quartz lamp tubes arranged in the metal plate outer cover box body, and a test piece quartz isolation cover arranged on the quartz lamp holder;
the quartz lamp holder is provided with a plurality of quartz lamp clamping grooves, a plurality of quartz lamp tubes are uniformly arranged on the quartz lamp clamping grooves in the circumferential direction, three identical first cooling pipelines, second cooling pipelines and third cooling pipelines are arranged in three non-adjacent first wall surfaces, third wall surfaces and fifth wall surfaces of the sheet metal outer cover box body, and in order to ensure that cooling water flows uniformly, a flowing mode of bottom-in and top-out is adopted, wherein a right lower hole on each wall surface is a water inlet of the first side wall water cooling pipeline, a right upper hole is a water outlet of the first side wall water cooling pipeline, a left lower hole is a water inlet of the second side wall water cooling pipeline, and a left upper hole is a water outlet of the second side wall water cooling pipeline; in a first cooling pipeline of the first wall surface, cooling liquid flows into the sheet metal outer cover box body from a water inlet of a first side wall water cooling pipeline, flows out from a water outlet of the first side wall water cooling pipeline, is switched to a water inlet of a second side wall water cooling pipeline, and then flows out from a water outlet of the second side wall water cooling pipeline; the upper cover of the box body is covered with an upper cover cooling liquid pipeline, and cooling liquid flows in from a water inlet of the upper cover water cooling pipeline and flows out from a water outlet of the upper cover water cooling pipeline along a channel.
The invention is further improved in that the lamp tube cooling liquid flows into the water inlet of the upper cover water cooling pipeline from the upper cover inner water cooling pipeline, then sequentially passes through the water outlet of the upper cover water cooling pipeline, the first water cooling pipeline on the first wall surface, the second water cooling pipeline on the third wall surface and the third water cooling pipeline on the fifth wall surface, and then flows out for the subsequent industrial cooling circulation process.
The invention has the further improvement that the upper cover of the box body is provided with a threaded hole, the aperture of the threaded hole is the outer diameter of the quartz isolation cover of the test piece, and the quartz isolation cover of the test piece is inserted into the sheet metal outer cover box body to separate the test piece from the quartz lamp tube, thereby playing the role of protecting the lamp tube and simultaneously realizing the thermal fatigue test in a closed environment; after the test piece is inserted, a threaded cover is screwed in the threaded hole of the upper cover of the box body to play a role in sealing, and a clamping groove for fixing the quartz glass cover on the lower bottom surface is formed in the bottom surface of the sheet metal outer cover box body, so that the quartz isolation cover of the test piece can be conveniently fixed.
The invention is further improved in that a lower boss for fixing the test piece extends above the threaded cover to play a role in supporting the test piece.
The invention has the further improvement that the threaded cover, the clamping groove for fixing the quartz glass cover and the lower boss for fixing the test piece are all penetrated by a threaded hole on the threaded cover and a threaded hole penetrating through the lower boss and the bottom surface of the box body, the threaded hole on the threaded cover and the threaded hole penetrating through the lower boss and the bottom surface of the box body are sealed by bolts in a sealing experiment to play a role in sealing, and the threaded hole on the threaded cover can be connected with a water cooling pipe and an air cooling pipe in an air circulation experiment to play a role in regulating and controlling the temperature of the test piece.
The invention has the further improvement that the second wall surface, the fourth wall surface and the sixth wall surface of the sheet metal outer cover box body are respectively provided with three round holes with the same size as observation holes, and the temperature of a test piece is measured by utilizing an infrared temperature measurement technology; the observation hole is embedded with quartz glass, and a layer of round mullite heat insulation board is added on the outer side of the quartz glass, so that the effects of heat preservation and heat insulation are achieved.
The invention has at least the following beneficial technical effects:
1. the quartz lamp heating mode belongs to remote non-contact heating, the principle is that electric energy is input and converted into a high-efficiency heat source for infrared radiation, compared with gas heating, the distribution, the size and the lifting speed of the temperature of the quartz lamp are greatly improved, and the quartz lamp has the advantages of being quiet, clean and the like;
2. the quartz lamp heating mode has a larger heating area than that of heating modes such as laser and the like, and heating is not easily limited by heated materials.
3. The device isolates the test piece from the quartz lamp heating element through the quartz isolation cover of the test piece, and the function of rapidly cooling the test piece by adopting salt mist and water mist while realizing area heating of the test piece in a small range. Further through the quartz isolation cover of the test piece, the heating capacity of the quartz lamp is guaranteed not to be lost while the quartz lamp is isolated from the test piece. Meanwhile, the quartz lamp heating components separated by the test piece quartz isolation cover have the capability of adopting independent centralized cooling, are not influenced by the cooling mode of the blades in the test piece quartz isolation cover, and further improve the capability of the quartz heating components.
5. The power of each independent quartz lamp is independently controlled by a control system, and the heating of the device is easy to control and adjust on a large scale.
6. The back of the quartz lamp tube is filled with the reflective coating, so that the irradiation influence of heating light on the rear side wall surface is reduced, the irradiation intensity of the front irradiated surface is further enhanced, and the heating efficiency of the heating surface is improved.
7. The modular design concept, control theory and independent cooling units are adopted. Meanwhile, in the heating process of the single device, the temperature is constantly in a stable state during normal work. Compared with the traditional quartz lamp heating technology, the large-scale splicing and combination can be realized, and the quartz lamp heating technology can be applied to heating occasions with large areas and complex curved surfaces.
8. The middle inserted quartz glass cover separates the experimental article from the lamp tube group, can effectively prevent the sprayed cooling liquid from splashing on the quartz lamp tube, and prevent the quartz lamp tube from being damaged due to the fact that the temperature difference inside and outside the quartz lamp tube is too large and large thermal stress is generated. In addition, the upper and lower spraying holes are sealed to form a sealed space, protective gas can be filled in the glass cover, and the glass cover can also be pumped to simulate a real high-altitude thin flow environment.
9. Three observation windows are reserved for an infrared temperature measurement technology, and the temperature of the test piece is measured in real time.
In conclusion, the halogen lamp complex gradient thermal fatigue test device for the test piece liquid cooling isolation layer provided by the invention can be used for carrying out gas cooling on high-density complex quartz lamp arrays and the like and carrying out water mist cooling on tested workpieces, and the problem that the service life of a quartz lamp heating module is rapidly damaged in a test piece water mist and salt mist environment is solved. The integral device overcomes the defects that the traditional gas thermal shock experimental device is high in cost, large in noise pollution, low in safety and incapable of realizing gradient thermal shock due to the fact that the temperature distribution size and the lifting speed are difficult to control, and the traditional quartz lamp heating device is low in efficiency, low in temperature rise, short in continuous heating time, poor in adaptability and the like. Meanwhile, the large temperature gradient of 200 ℃/cm in a minimum range of 100-1500 ℃ can be realized by adjusting the heating power, the heating distance and the modularized splicing number of the quartz lamp, and the minimum heating area is 70 mm. The heat damage process under the real environment is simulated by adjusting the gas composition in the glass cover. In addition, the quartz isolation cover can realize the cooling of a complex structure and the cooling of water mist and salt mist of the complex structure and prolong the service life of the quartz isolation cover through an isolation test and a quartz lamp heating device. Therefore, the invention realizes an economical, safe, clean, quiet, flexible and efficient thermal fatigue testing device.
Drawings
Fig. 1 is an overall view of the present invention.
Fig. 2 (a) to (d) are a front view, a rear view, a left view and a top view of the present invention, respectively.
Fig. 3 is a front perspective view.
Fig. 4 (a) and (B) are sectional views a-a and B-B of fig. 3, respectively.
Fig. 5 is a front perspective view.
Fig. 6 (a) and (b) are cross-sectional views C-C and D-D of fig. 5, respectively.
In the figure: the bottom surface of the metal plate outer cover box body is a supportable surface;
the device comprises a metal plate outer cover box body 1, a box body upper cover 2, a quartz lamp holder 3, a quartz lamp tube 4, a test piece quartz isolation cover 5, a quartz lamp clamping groove 6, a side wall surface cooling liquid pipeline 7, an upper cover cooling liquid pipeline 8, a threaded hole in the box body upper cover 9, a threaded cover 10, a threaded hole in the threaded cover 11, a test piece 12, a threaded hole penetrating through a lower boss and the bottom surface of the box body 13, a lower boss for fixing the test piece 14, a clamping groove for fixing the quartz glass cover on the lower bottom surface 15 and quartz glass 16;
1-1, 1-2, 1-3, 1-4, 1-5 and 1-6 are first to sixth wall surfaces, 7-1, 7-3 and 7-5 are first to third water cooling pipelines, a and c are water inlets of the first and second side wall water cooling pipelines, b and d are water outlets of the first and second side wall water cooling pipelines, e is a water inlet of the upper cover water cooling pipeline, and f is a water outlet of the upper cover water cooling pipeline.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
As shown in fig. 1, 2 and 3, the halogen lamp and plane heating device with a liquid cooling interlayer provided by the invention comprises a sheet metal outer cover box body 1, a box body upper cover 2, a quartz lamp holder 3, a quartz lamp tube 4, a quartz glass cover 5, a quartz lamp clamping groove 6, a cooling liquid pipeline 7 in a side wall surface, a cooling liquid pipeline 8 in the upper cover, a threaded hole 9 formed in the hexagonal upper cover, a threaded cover 10, a threaded hole 11 formed in the threaded cover, a test piece 12, a threaded hole 13 penetrating through a lower boss and the bottom surface of the box body, a lower boss 14 for fixing the test piece, a clamping groove 15 for fixing the quartz glass cover on the lower bottom surface, and quartz glass 16.
The hexagonal quartz lamp holder 3 is fixedly connected with the bottom surface of the metal plate outer cover box body 1, quartz lamp clamping grooves 6 which are evenly distributed on the circumference are machined in the quartz lamp holder 3, and quartz lamp tubes 4 are fixed on the quartz lamp clamping grooves 6. Hexagonal box upper cover 2 and panel beating dustcoat box 1 pass through bolted connection, and it has screw hole 9 to open on box upper cover 2, is convenient for insert quartz lamp shade 5, and the draw-in groove 15 inside survey of the fixed quartz glass cover of lower bottom surface of panel beating dustcoat box 1 has the sealing rubber circle, and the lamp shade inserts the back and fixes through the draw-in groove 15 fixed seal of the fixed quartz glass cover of bottom surface down. The screw cap 10 is screwed into the screw hole 9, the screw hole 11 on the screw cap is opened at the center of the screw cap 10 for connecting the external air cooling and water cooling pipeline, and a lower boss 14 for fixing the test piece is arranged at the lower bottom surface for fixing the test piece. And a threaded hole 13 penetrating through the lower boss and the bottom surface of the box body is formed and penetrates through the lower boss and the bottom surface of the box body, and outlets of cooling gas or cooling liquid are formed on the left and the right.
First to third cooling liquid channels 7-1, 7-2 and 7-3 and an upper cover cooling liquid pipeline 8 are further formed in the first wall surface 1-1, the third wall surface 1-3 and the fifth wall surface 1-5 of the sheet metal outer cover box body 1 and the upper cover 2 of the box body, and lamp tube cooling liquid flows into a water inlet e of the upper cover cooling liquid pipeline from the upper cover cooling liquid pipeline 8, sequentially passes through a water outlet f of the upper cover cooling liquid pipeline, the first water cooling pipeline 7-1 of the first wall surface 1-1, the second water cooling pipeline 7-3 of the third wall surface 1-3 and the third water cooling pipeline 7-5 of the fifth wall surface 1-5, and then enters the water cooling box for cooling and further circulation.
The first to third cooling channels 7-1, 7-2 and 7-3 all adopt a flow mode of downward inlet and upward outlet, wherein the right lower hole of each surface is a water inlet a of a first side wall water cooling pipeline, the right upper hole is a water outlet b of the first side wall water cooling pipeline, the left lower hole is a water inlet c of a second side wall water cooling pipeline, and the left upper hole is a water outlet d of the second side wall water cooling pipeline. For example, in the first cooling pipeline 7-1 of the first wall surface 1-1, the cooling liquid (mainly water-based cooling liquid or oil-based cooling liquid) flows into the tank body from the water inlet a of the first sidewall water-cooling pipeline, flows out from the water outlet b of the first sidewall water-cooling pipeline, is switched to the water inlet c of the second sidewall water-cooling pipeline, flows out from the water outlet d of the second sidewall water-cooling pipeline, and is switched to the water inlet a of the first sidewall water-cooling pipeline of the second water-cooling pipeline 7-3, so as to circulate.
The sheet metal outer cover box body 1 is made by directly bending stainless steel. The back of the lamp tube is coated with a high-temperature resistant coating, so that the back of the lamp tube has a total reflectivity of 80-85%.
Furthermore, the length of the lamp tube group is changed by adjusting the number of the lamp tube group, and the external structural member is adaptively changed, so that the size and the power of a single module of the lamp are improved. The shape of the lamp tube interlayer is changed, and the structural member is adaptively changed, so that the purpose of adaptively changing the required heating surface is achieved. And spraying heat insulating coating on partial surfaces of the structural member and the lamp tube so as to reduce the temperature of partial parts during actual operation. The number and the diameter of cooling liquid inflow and outflow ports are adjusted, the arrangement range and the distance of internal cooling liquid pipelines are adjusted, and the cooling efficiency of the cooling liquid is improved.
Furthermore, the whole device can be fixed by a material which can resist the temperature of more than 100 ℃ under the normal working temperature (below 1100 ℃).
The lower surface of the box body is fixed, and the upper cover and the side wall surface of the box body are protected by adopting a cooling channel.
The electrical lines in the lamp were high temperature fiberglass braided insulated wires. The quartz lamp tube adopts a tungsten filament halogen heating tube, the rated voltage is 220V, the rated power is 2KW, the quartz lamp tube can be adjusted and customized, the heating temperature is as high as 3300K, the radiation energy is stable, the remote rapid heating at 1800 ℃ can be realized, the quartz lamp tube is not influenced by the surrounding environment, the quartz lamp tube is only effective to a radiated object, and the power of the halogen lamp can be changed by adjusting the power supply. Meanwhile, the heating mode belongs to electric control non-contact heating, and has the advantages of economy, safety, cleanness, quietness and high efficiency, and the service life is as long as more than 5000 hours.
The heating lamp is characterized in that the cooling pipeline inside the heating lamp, the quartz lamp holder and the quartz lamp mounting end seat are made of the same material and have high heat conductivity coefficient and low thermal expansion coefficient.
The sheet metal shell is made of stainless steel.
The invention provides a halogen lamp with a liquid cooling interlayer and a plane heating device, and the using method comprises the following steps:
the method comprises the following steps of putting the device right, checking whether a cooling pipeline of the test device is complete, nondestructive and free of blockage, checking whether oil stains and shelters exist on a quartz lamp tube, and checking whether an electric circuit is short-circuited and exposed. And when all the items meet the requirements, completing equipment safety inspection.
And step two, slowly injecting cooling water from the water inlet, and observing whether bubbles exist in the flowing water or not when the cooling water in the water outlet flows out. When there are no bubbles in the outflow water, the flow speed of the cooling water is increased. When the cooling water flows out stably and without pulsation from the outflow port, the device can be placed at a correct position according to the required heating angle, and the cooling water injection is completed.
And step three, switching on a power supply, preheating the lamp tube for one minute in advance according to the actual working condition, and observing whether the equipment has problems.
And step four, entering an experimental stage, controlling the heating power of the lamp tube by controlling the signal change in the power supply, and realizing a long-time heating or thermal fatigue cycle process.
And fifthly, observing the cooling condition of the test workpiece in the salt fog cooling atmosphere of the quartz isolation cover of the test piece, and checking whether the quartz isolation cover of the test piece is damaged or not in a high-temperature environment and quartz atomization caused by high temperature is generated.
And step six, after the test is finished, firstly closing the power supply system, and stopping injecting the cooling liquid after the equipment is cooled to the room temperature. And finally, discharging redundant cooling water in the pipeline and finishing the heating process.
While the invention has been described in detail with reference to specific embodiments thereof, it will be understood by those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. A halogen lamp complex gradient thermal fatigue test device of a test piece liquid cooling isolation layer is characterized by comprising a metal plate outer cover box body (1) with a hexagonal section, a box body upper cover (2) arranged at the top of the metal plate outer cover box body (1), a quartz lamp holder (3) and a plurality of quartz lamp tubes (4) arranged in the metal plate outer cover box body (1), and a test piece quartz isolation cover (5) arranged on the quartz lamp holder (3);
the quartz lamp holder (3) is provided with a plurality of quartz lamp clamping grooves (6), a plurality of quartz lamp tubes (4) are uniformly arranged on the quartz lamp holder in the circumferential direction, three identical first cooling pipelines (7-1), second cooling pipelines (7-3) and third cooling pipelines (7-5) are arranged in three non-adjacent first wall surfaces (1-1), third wall surfaces (1-3) and fifth wall surfaces (1-5) of the sheet metal outer cover box body (1), and a flow mode of bottom inlet and top outlet is adopted to ensure that cooling water flows uniformly, wherein, the upper and lower right holes of each wall surface are the water inlet (a) of the first side wall water cooling pipeline, the upper right hole is the water outlet (b) of the first side wall water cooling pipeline, the lower left hole is the water inlet (c) of the second side wall water cooling pipeline, and the upper left hole is the water outlet (d) of the second side wall water cooling pipeline; in a first cooling pipeline (7-1) of the first wall surface (1-1), cooling liquid flows into the sheet metal outer cover box body (1) from a water inlet (a) of a first side wall water cooling pipeline, flows out from a water outlet (b) of the first side wall water cooling pipeline, is switched to a water inlet (c) of a second side wall water cooling pipeline, and then flows out from a water outlet (d) of the second side wall water cooling pipeline; and a cooling liquid pipeline (8) in the upper cover is arranged on the upper cover (2) of the box body, and cooling liquid flows in from a water inlet (e) of the water cooling pipeline of the upper cover and flows out from a water outlet (f) of the water cooling pipeline of the upper cover along a channel.
2. The halogen lamp complex gradient thermal fatigue test device of the test piece liquid cooling isolation layer according to claim 1, characterized in that the lamp tube cooling liquid flows from the upper cover inner water cooling pipeline (8), flows into the upper cover water cooling pipeline water inlet (e), then sequentially passes through the upper cover water cooling pipeline water outlet (f), the first water cooling pipeline (7-1) of the first wall surface (1-1), the second water cooling pipeline (7-3) of the third wall surface (1-3) and the third water cooling pipeline (7-5) of the fifth wall surface (1-5), and then flows out for the subsequent industrial cooling cycle process.
3. The halogen lamp complex gradient thermal fatigue test device for the test piece liquid cooling isolation layer according to claim 1, characterized in that a threaded hole (9) is formed in the box body upper cover (2), the aperture of the threaded hole is the outer diameter of the test piece quartz isolation cover (5), the test piece quartz isolation cover (5) is inserted into the sheet metal outer cover box body (1) to separate the test piece (12) from the quartz lamp tube (4) to protect the lamp tube and realize the thermal fatigue test in a closed environment; after the test piece is inserted, a threaded cover (10) is screwed into a threaded hole of the upper cover (2) of the box body to play a role in sealing, and a clamping groove (15) for fixing a quartz glass cover on the lower bottom surface is arranged on the bottom surface of the sheet metal outer cover box body, so that the quartz isolation cover (5) of the test piece can be conveniently fixed.
4. The halogen lamp complex gradient thermal fatigue test device for the test piece liquid cooling isolation layer is characterized in that a lower boss (14) for fixing the test piece extends above the threaded cover (10) and plays a role in supporting the test piece (12).
5. The halogen lamp complex gradient thermal fatigue testing device of the test piece liquid cooling isolation layer according to claim 4, characterized in that the screw cover (10), the clamping groove (15) of the fixed quartz glass cover and the lower boss (14) of the fixed test piece are all penetrated by a screw hole (11) on the screw cover and a screw hole (13) penetrating through the lower boss and the bottom surface of the box body, the screw hole (11) on the screw cover and the screw hole (13) penetrating through the lower boss and the bottom surface of the box body are sealed by bolts in a sealing experiment to play a role in sealing, and in an air circulation experiment, the screw hole (11) on the screw cover can be connected with a water cooling pipe and a wind cooling pipe to play a role in temperature regulation and control on the test piece (12).
6. The halogen lamp complex gradient thermal fatigue test device for the test piece liquid cooling isolation layer according to claim 1, is characterized in that three round holes with the same size are respectively formed in a second wall surface (1-2), a fourth wall surface (1-4) and a sixth wall surface (1-6) of a sheet metal outer cover box body (1) and used as observation holes, and the temperature of the test piece is measured by utilizing an infrared temperature measurement technology; the observation hole is embedded with quartz glass (16), and a layer of round-sheet mullite heat insulation plate is added on the outer side of the quartz glass (16) to play a role in heat preservation and heat insulation.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011497499.3A CN112525947A (en) | 2020-12-17 | 2020-12-17 | Halogen lamp complex gradient thermal fatigue test device of test piece liquid cooling isolation layer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011497499.3A CN112525947A (en) | 2020-12-17 | 2020-12-17 | Halogen lamp complex gradient thermal fatigue test device of test piece liquid cooling isolation layer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113606337A (en) * | 2021-07-30 | 2021-11-05 | 上海汉虹精密机械有限公司 | High vacuum sealing structure for inner circle of quartz cylinder |
| CN114136594A (en) * | 2021-10-20 | 2022-03-04 | 中国航发四川燃气涡轮研究院 | Turbine blade thermal shock test device |
| CN114778345A (en) * | 2022-06-16 | 2022-07-22 | 江苏欧辉照明灯具有限公司 | Lampshade inspection device for explosion-proof lamp |
-
2020
- 2020-12-17 CN CN202011497499.3A patent/CN112525947A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113606337A (en) * | 2021-07-30 | 2021-11-05 | 上海汉虹精密机械有限公司 | High vacuum sealing structure for inner circle of quartz cylinder |
| CN114136594A (en) * | 2021-10-20 | 2022-03-04 | 中国航发四川燃气涡轮研究院 | Turbine blade thermal shock test device |
| CN114778345A (en) * | 2022-06-16 | 2022-07-22 | 江苏欧辉照明灯具有限公司 | Lampshade inspection device for explosion-proof lamp |
| CN114778345B (en) * | 2022-06-16 | 2022-09-06 | 江苏欧辉照明灯具有限公司 | Lampshade inspection device for explosion-proof lamp |
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