CN212060007U - Laser heat conduction instrument - Google Patents
Laser heat conduction instrument Download PDFInfo
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- CN212060007U CN212060007U CN202020493581.8U CN202020493581U CN212060007U CN 212060007 U CN212060007 U CN 212060007U CN 202020493581 U CN202020493581 U CN 202020493581U CN 212060007 U CN212060007 U CN 212060007U
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Abstract
The utility model discloses a laser heat conduction instrument, including shell part and structural component, the shell part includes frame and panel, the structural component includes power splitter, infrared detector, vacuum heating furnace, industry PC, multi-functional high-speed collection card, signal amplifier, trigger circuit, photoelectric detector, infrared detector, with the temperature control device that the vacuum heating furnace is connected, with the detector power adapter that infrared detector is connected, with industry PC power adapter that industry PC is connected, with trigger circuit connection's trigger power, with the amplifier power that signal amplifier is connected; the power splitter is connected with the temperature control device, the industrial PC power adapter, the trigger power supply, the amplifier power supply and the detector power adapter. The utility model discloses can realize the measurement to thermal diffusivity, specific heat coefficient, the coefficient of heat conductivity of various materials, ensure material data reliability.
Description
Technical Field
The utility model relates to a measurement test technical field especially relates to a laser heat conduction appearance.
Background
The thermal diffusivity, the specific heat coefficient and the heat conductivity coefficient of the material are thermophysical parameters of the material, are important characteristic quantities for representing the thermophysical properties of the material, and are key parameters for carrying out basic research, analysis and calculation and engineering design on a specific thermal process. Thermal diffusivity reflects the ability of a material to spread heat, the ability of an object to approach a uniform temperature during heating or cooling. In the unsteady state heat conduction process, the thermal diffusivity, the specific heat coefficient and the heat conductivity coefficient of the material are very important parameters.
In the field of national defense science and technology industry, hypersonic aircrafts, aerospace engines, future aircrafts and the like are subjected to unsteady pneumatic heating stages with different degrees in the processes of launching, orbit entering, flying and the like, effective thermal control technology must be adopted for heat insulation and heat prevention, the thermal diffusivity, the specific heat coefficient and the heat conductivity coefficient of thermal barrier materials and important part materials of the aircrafts are important parameters in the thermal control technology of the aircrafts, the thermal diffusivity of the thermal barrier materials is required to be low, the impact of high temperature on main body materials and parts of the aircrafts in the pneumatic heating process is relieved, and the accurate measurement of the thermal diffusivity of the thermal barrier materials is an important basis for selecting the thermal barrier materials of the aircrafts.
At present, a set of thermal diffusivity testing device in the temperature range of 20-1000 ℃ is established by scientific research institutions such as China metrological scientific research institute, but a thermal diffusivity metering system is not established yet. And no material thermal diffusivity standard device is established in the national defense system in China, so that the measurement value tracing service cannot be provided for the thermal diffusivity, specific heat coefficient and thermal conductivity measurement instrument equipment of the national defense system, and the accuracy of the measurement value cannot be guaranteed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a laser heat conduction appearance can solve the thermal diffusivity of material, specific heat coefficient, coefficient of heat conductivity problem of tracing to the source, ensures material data reliability.
In order to achieve the above object, an embodiment of the present invention provides a laser thermal conductivity meter, which includes a housing portion and a structural portion, wherein the housing portion includes a frame and a panel, and the structural portion includes a power splitter, an infrared detector, a vacuum heating furnace, an industrial PC, a multifunctional high-speed acquisition card, a signal amplifier, a trigger circuit, a photodetector, and an infrared detector; the infrared detector is arranged on the vacuum heating furnace, the vacuum heating furnace is connected with the multifunctional high-speed acquisition card and the photoelectric detector, the industrial PC is connected with the multifunctional high-speed acquisition card and the signal amplifier, the trigger circuit is connected with the multifunctional high-speed acquisition card and the photoelectric detector, and the signal amplifier is connected with the infrared detector; the structural part further includes: the temperature control device is connected with the vacuum heating furnace, the detector power adapter is connected with the infrared detector, the industrial PC power adapter is connected with the industrial PC, the trigger power supply is connected with the trigger circuit, and the amplifier power supply is connected with the signal amplifier; the power splitter is connected with the temperature control device, the industrial PC power adapter, the trigger power supply, the amplifier power supply and the detector power adapter.
Preferably, the structure part further comprises a deflation valve, a deflation valve switch connected with the deflation valve, a lifting platform and a lifting platform controller connected with the lifting platform.
Preferably, the power supply splitter is connected to the air release valve switch and the lift platform controller.
Preferably, the frame comprises a left side frame, a right side frame, a rear frame, a front upper beam, a front lower beam, a bent frame and a fixed bottom plate.
Preferably, the panels include a left side panel, a right side panel, a front panel, a rear panel, a right upper panel, and a slant upper panel.
Preferably, the fixing base plate further comprises a bottom surface support foot, wherein the bottom surface support foot is used for supporting the fixing base plate and comprises an adjusting screw, a stainless steel material assembly arranged between the adjusting screw and the fixing base plate and a base for supporting the adjusting screw.
Preferably, the housing portion is provided with an external interface.
Preferably, the external interface comprises a laser injection window, a vacuum interface, a cooling water interface, a control panel interface and a main power supply interface.
Preferably, the panel is provided with the heating switch, the deflation valve switch, a power main switch and the switch of the lifting platform controller.
The utility model discloses laser heat conduction appearance can realize the measurement to thermal diffusivity, specific heat coefficient, the coefficient of heat conductivity of various materials, ensures material data reliability.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts:
fig. 1 is a schematic front structural view of a laser thermal conductivity meter according to an embodiment of the present invention;
fig. 2 is a schematic side view of a laser thermal conductivity meter according to an embodiment of the present invention;
fig. 3 is a block diagram of a structural part of the laser thermal conductivity meter according to an embodiment of the present invention;
fig. 4 is a schematic view of a structural part of a laser thermal conductivity meter according to an embodiment of the present invention;
fig. 5 is a schematic view of a bottom surface foot of the laser thermal conductivity meter according to an embodiment of the present invention.
Wherein, in fig. 1-5:
a left side frame 1, a left side panel 2, a right side frame 3, a right side panel 4, a bent frame 5, a rear frame 6, a rear panel 7, a right upper panel 8, a right upper beam 9, an inclined upper panel 10, a front upper beam 11, a front panel 12, a front lower beam 13, a fixed bottom plate 14, a stainless steel component 15, an adjusting screw 16, a base 17, an inner hexagonal adjusting hole 18, an outer hexagonal adjusting cap 19, a power splitter 20, a temperature control device 21, a lifting platform controller 22, a deflation valve switch 23, an industrial PC power adapter 24, a trigger power supply 25, an amplifier power supply 26, a detector power adapter 27, a heating switch 28, a lifting platform 29, a deflation valve 30, an industrial PC 31, a trigger circuit 32, a signal amplifier 33, an infrared detector 34, a vacuum heating furnace 35, a multifunctional high-speed acquisition card 36, a photoelectric detector 37, a weak current 38, a strong current 39, a fixed frame 40, an, A wire groove 41.
Detailed Description
The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
An embodiment of the present invention provides a laser thermal conductivity meter, which includes a housing portion and a structural portion, and each portion is described in detail below. In the following description, the laser thermal conductivity meter of the present embodiment is also referred to as an apparatus for convenience.
Housing part
The shell part of the laser heat conduction instrument comprises a frame and a panel, wherein the frame and the panel mainly play roles in centralized control, convenience in operation, safety protection, attractiveness and the like. Fig. 1 is a schematic front structural view of the laser thermal conductivity meter of the present invention; fig. 2 is a schematic side view of the laser thermal conductivity meter of the present invention. As shown in fig. 1 and 2, the frame portion includes a left side frame 1, a right side frame 3, a rear side frame 6, a front upper beam 9, a front upper beam 11, a front lower beam 13, a bending frame 5, and a fixed bottom plate 14, and is mainly formed by sheet metal bending, welding, assembling, and spraying a deep blue paint. Nuts are arranged on the left side frame 1, the right side frame 3, the rear frame 6 and the bent frame 5 and are fixed at the setting positions in a rivet mode for fixing the panel. Round holes are designed on the fixed bottom plate 14 and the side surfaces of the frames, and the fixed bottom plate and the device bottom plate are connected and fixed in a screw mode.
The panel section includes a left side panel 2, a right side panel 4, a rear panel 7, a right top panel 8, a slanted top panel 10, and a front panel 12. After the front panel 8, the inclined upper panel 10 and the front panel 12 are installed, a gap with the width of about 15mm is reserved between the front panel and the right side frame 3, and the gap is used for externally leaking power lines, data lines and the like. The inclined upper panel 10 is provided with a main power switch, a heating switch 28, a switch of the lifting platform controller 22, a deflation valve switch 23 and related indicator lights, and the inclined upper panel 10 is designed to be an inclined plane, for example, forming an angle of 23 degrees with the horizontal plane, so as to be convenient to operate. The right upper panel 8 is provided with a lifting platform passing square hole through which a heating wire, a temperature control thermocouple, a temperature measurement thermocouple, a detector power wire, a detector signal wire, a cooling water pipe and the like pass. The left panel 2 is provided with a round hole for a vacuum pumping pipeline to pass through. The rear panel 7 is provided with a round hole for a laser light path to pass through; and designing a square hole for leading in a power line. The right side panel 4 and the front panel 12 are both blind plates, and design unit names, device models and other marks are installed in a sticking mode. The left side panel 2 and the right side panel 4 are both sprayed with white paint.
Structural part
Fig. 3 is a block diagram of the structure part of the laser thermal conductivity meter of the present invention. The structure part comprises a power supply splitter 20, an infrared detector 34, a vacuum heating furnace 35, an industrial PC 31, a multifunctional high-speed acquisition card 36, a signal amplifier 33, a trigger circuit 32, a photoelectric detector 37 and an infrared detector 34, wherein the infrared detector 34 is installed on the vacuum heating furnace 35, the vacuum heating furnace 35 is connected with the multifunctional high-speed acquisition card 36 and the photoelectric detector 37, the industrial PC 31 is connected with the multifunctional high-speed acquisition card 36 and the signal amplifier 33, the trigger circuit 32 is connected with the multifunctional high-speed acquisition card 36 and the photoelectric detector 37, and the infrared detector 34 is connected with the signal amplifier 33.
The structural part further includes: a lift table controller 22 connected to a lift table 29, a temperature control device 21 connected to a vacuum heating furnace 35 through a heating switch 28, a detector power adapter 27 connected to the infrared detector 34, an industrial PC power adapter 24 connected to an industrial PC 31, a trigger power supply 25 connected to a trigger circuit 32, and an amplifier power supply 26 connected to a signal amplifier 33.
The power splitter 20 is connected to a temperature control device 21, an industrial PC power adapter 24, a trigger power supply 25, an amplifier power supply 26, and a probe power adapter 27.
In addition, the structural part also comprises a deflation valve 30, a deflation valve switch 23 connected with the deflation valve 30, a lifting platform 29, a lifting platform controller 22 connected with the lifting platform 29, corresponding connecting wires, communication wires, data wires, a USB splitter, a USB-to-multi serial port converter and the like. The power supply splitter 20 is connected to a bleed valve switch 23 and an elevator platform controller 22. The heater switch 28, the purge valve switch 23, and the like are mounted on the device panel, and the industrial PC 31 is mounted on a dedicated rack.
Fig. 4 is a schematic view of the installation of the structural part of the laser thermal conductivity meter of the present invention. The mounting area of the structural part is as shown in fig. 4, a three-dimensional electrical appliance fixing frame 40 is arranged, a power supply splitter 20, a temperature control device 21 and a multifunctional high-speed acquisition card 36 are sequentially mounted from the back to the front of the device, electrical elements are inserted from the left side of the electrical appliance fixing frame 40 and are fixed by screws, a wiring groove 41 is designed on the periphery of the whole frame for wiring, the wiring principle is strong and weak, strong electricity 39 is wired at the back and the right of the area, and weak electricity 38 is wired at the left and the front of.
Among the electrical components of the structural portion, the temperature control device 21, the signal amplifier 33 and the trigger circuit 32 can be designed and assembled by themselves, and the rest of the electrical components can be procured components.
Bottom support
Preferably, the laser thermal conductivity meter of the embodiment of the present invention further includes a bottom surface support leg. Fig. 5 is a schematic view of a bottom surface foot of the laser thermal conductivity meter according to an embodiment of the present invention. The bottom support leg is used for supporting the fixed base plate 14, and as shown in fig. 5, includes an adjusting screw 16, a stainless steel assembly 15 disposed between the adjusting screw 16 and the fixed base plate 14, and a base 17 supporting the adjusting screw 16.
In order to increase the supporting force of the fixing base plate 14 (duralumin), a stainless steel component 15 is added between the adjusting screw 16 and the fixing base plate 14, the stainless steel component 15 is fixed on the fixing base plate 14 through screws, and the base 17 is also made of stainless steel and can be fixed on the optical platform through screws, so that the stability is increased. The adjusting screw 16 adopts a double-section reverse thread mode for adjustment, the adjusting mode is designed in two modes, the adjustment of two positions of the edge supporting leg and the center supporting leg of the fixed bottom plate 14 is met, an outer hexagonal adjusting cap 19 is designed in the middle of the adjusting screw 16 and is adjusted by an outer wrench, and an inner hexagonal adjusting hole 18 is designed at the upper end and is adjusted by an inner hexagonal wrench.
In the laser heat conduction instrument of the embodiment, the device shell (including the internal electric part) is designed into a module form, the fixing bottom plate 14, the frame (formed by welding), the panel (fixed by screws), the electric appliance fixing frame 40 (installed by screws) and the electric element are all convenient to assemble and disassemble, and all the line connectors all adopt a plug-in mode, so that the laser heat conduction instrument is convenient to overhaul.
The device shell (the shell part) provides an external interface and comprises a mechanical part mounting hole, a vacuum pipeline hole (comprising a vacuum interface), a laser access hole (comprising a laser injection window), an industrial PC fixing frame fixing hole, a main power supply interface, a water path interface (comprising a cooling water interface), a control panel interface, a USB data line interface and the like.
The device can measure the thermal diffusivity, the specific heat coefficient and the heat conductivity coefficient of standard samples such as austenitic stainless steel, red copper, alumina, pure iron, corundum and the like and the thermal diffusivity, the specific heat coefficient and the heat conductivity coefficient of composite materials such as C/C, Si/C and the like, solves the problem of measuring the thermal diffusivity, the specific heat coefficient and the heat conductivity coefficient of various metal materials, composite materials and the like at room temperature-1600 ℃ in the research of thermal barrier coating materials, and ensures the reliability of material data.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (9)
1. The laser heat conduction instrument is characterized by comprising a shell part and a structure part, wherein the shell part comprises a frame and a panel, and the structure part comprises a power supply splitter, an infrared detector, a vacuum heating furnace, an industrial PC (personal computer), a multifunctional high-speed acquisition card, a signal amplifier, a trigger circuit, a photoelectric detector and an infrared detector; the infrared detector is arranged on the vacuum heating furnace, the vacuum heating furnace is connected with the multifunctional high-speed acquisition card and the photoelectric detector, the industrial PC is connected with the multifunctional high-speed acquisition card and the signal amplifier, the trigger circuit is connected with the multifunctional high-speed acquisition card and the photoelectric detector, and the signal amplifier is connected with the infrared detector; the structural part further includes: the temperature control device is connected with the vacuum heating furnace, the detector power adapter is connected with the infrared detector, the industrial PC power adapter is connected with the industrial PC, the trigger power supply is connected with the trigger circuit, and the amplifier power supply is connected with the signal amplifier; the power splitter is connected with the temperature control device, the industrial PC power adapter, the trigger power supply, the amplifier power supply and the detector power adapter.
2. The laser thermal conductivity meter according to claim 1, wherein the structural part further comprises a purge valve, a purge valve switch connected to the purge valve, a lift table, and a lift table controller connected to the lift table.
3. The laser thermal conductivity meter according to claim 2, wherein the power supply splitter is connected to the bleed valve switch and the lift stage controller.
4. The laser thermal conductivity meter according to any one of claims 1 to 3, wherein the frame comprises a left side frame, a right side frame, a rear frame, a front upper beam, a front lower beam, a bent frame and a fixed bottom plate.
5. The laser thermal conductivity meter according to any one of claims 1 to 3, wherein the panels include a left side panel, a right side panel, a front panel, a rear panel, a right top panel and a slanted top panel.
6. The laser thermal conductivity meter according to claim 4, further comprising bottom legs for supporting the fixing base plate, including an adjusting screw, a stainless steel member disposed between the adjusting screw and the fixing base plate, and a base for supporting the adjusting screw.
7. The laser thermal conductivity meter according to any one of claims 1 to 3, wherein the housing portion is provided with an external interface.
8. The laser thermal conductivity meter according to claim 7, wherein the external interfaces comprise a laser injection window, a vacuum interface, a cooling water interface, a control panel interface and a main power interface.
9. The laser thermal conductivity instrument according to claim 2 or 3, wherein a heating switch, the air release valve switch, a power main switch and a switch of the lifting platform controller are arranged on the panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020493581.8U CN212060007U (en) | 2020-04-07 | 2020-04-07 | Laser heat conduction instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020493581.8U CN212060007U (en) | 2020-04-07 | 2020-04-07 | Laser heat conduction instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212060007U true CN212060007U (en) | 2020-12-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020493581.8U Active CN212060007U (en) | 2020-04-07 | 2020-04-07 | Laser heat conduction instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212060007U (en) |
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2020
- 2020-04-07 CN CN202020493581.8U patent/CN212060007U/en active Active
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