Real-time temperature measuring device for thermal shock test of silicon carbide sample
By designing a real-time temperature measurement device for thermal shock testing of silicon carbide samples, and utilizing a structure of a hanging cylinder, hook, and basket, the problem of difficulty in real-time measurement of sample surface temperature was solved, and accurate measurement of sample surface temperature at high temperatures was achieved.
Patent Information
- Application Number
- CN202422936218.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2026-01-06
- Estimated Expiration
- 2034-11-29
AI Technical Summary
Existing technologies make it difficult to achieve real-time measurement of sample surface temperature during thermal shock tests of silicon carbide samples.
A real-time temperature measurement device for thermal shock testing of silicon carbide samples was designed, including a hanging cylinder, a hook, a mesh basket, and a thermocouple sleeve. The thermocouple contact head is tightly attached to the sample surface, and the thermocouple is fixed by the hanging cylinder and the hook. The mesh basket is made of molybdenum alloy, which can prevent it from reacting with the sample at high temperatures, ensuring that the thermocouple is not subjected to tension at high temperatures and can measure the temperature in real time.
It enables real-time measurement of the surface temperature of silicon carbide samples during thermal shock testing, ensuring that the temperature measuring device does not react with the sample at high temperatures and that the thermocouple remains in close contact with the sample surface, providing accurate temperature data.
Smart Images
Figure CN223769892U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of thermal shock of silicon carbide samples, and specifically relates to a real-time temperature measurement device for thermal shock testing of silicon carbide samples. Background Technology
[0002] Thermal shock testing of silicon carbide samples involves rapidly transferring the sample from a high-temperature furnace to a low-temperature zone, heating it to over 1300°C according to technical requirements, and then cooling it down to the specified temperature within seconds. Generally, the thermal shock test of moving the sample from a high-temperature furnace to a low-temperature furnace is relatively easy to achieve, but real-time monitoring of the sample surface temperature and ensuring that the sample surface temperature drops to the required temperature within a specified time is more difficult to achieve. Utility Model Content
[0003] The purpose of this invention is to provide a real-time temperature measurement device for thermal shock testing of silicon carbide samples, thereby solving the problem of measuring the surface temperature of silicon carbide samples in existing thermal shock tests.
[0004] The technical solution adopted by this utility model to solve its technical problem is: a real-time temperature measurement device for thermal shock testing of silicon carbide samples, wherein the device includes: a hanging cylinder and a hook located above it, the hanging cylinder is connected to a thermocouple sleeve by screws, the thermocouple for temperature measurement is placed inside the thermocouple sleeve, a basket for placing the impact test sample is provided below the thermocouple sleeve, and the thermocouple contact head located below the thermocouple is in contact with the surface of the impact test sample to measure the surface temperature of the impact test sample in real time.
[0005] The aforementioned real-time temperature measurement device for thermal shock testing of silicon carbide samples includes a frame-shaped cylinder with a circular protruding hook at the center of the upper end of the frame-shaped structure.
[0006] In the aforementioned real-time temperature measurement device for thermal shock testing of silicon carbide samples, the hook contacts the upper end of the thermocouple, thus fixing the thermocouple in place.
[0007] In the aforementioned real-time temperature measurement device for thermal shock testing of silicon carbide samples, the basket is made of metal and the material of the basket does not react with the sample at high temperatures.
[0008] The aforementioned real-time temperature measuring device for thermal shock testing of silicon carbide samples, wherein the material used in the temperature measuring device can withstand high temperatures not exceeding 00℃ during the heating process of the thermal shock test.
[0009] In the aforementioned real-time temperature measurement device for thermal shock testing of silicon carbide samples, the thermocouple sleeve serves to protect the thermocouple from natural drooping and ensure that the thermocouple is not subjected to tension during lifting and does not separate from the impact test sample.
[0010] In the aforementioned real-time temperature measurement device for thermal shock testing of silicon carbide samples, the thermocouple contact head of the thermocouple is always in close contact with the surface of the impact test sample during the temperature measurement process, and the impact test sample and the thermocouple move simultaneously during the impact process.
[0011] Compared with the prior art, the beneficial effects of this utility model are: a real-time temperature measuring device for thermal shock testing of silicon carbide samples, on the one hand, the sample and the hanger are assembled together for use, which can accurately measure the real-time temperature of the sample surface; on the other hand, the metal basket design does not react with the sample, and can protect the sample from always being in contact with the thermocouple contact during the process of removing it from the furnace. Attached Figure Description
[0012] Figure 1 The image shown is a front view of the lifting device for a real-time temperature measurement device for thermal shock testing of silicon carbide samples according to this utility model.
[0013] Figure 2 The diagram shows the assembly of the hanger and sample in a real-time temperature measurement device for thermal shock testing of silicon carbide samples according to this utility model.
[0014] The following are the labels in the attached diagram: 1. Hook; 2. Hanging cylinder; 3. Wire basket; 4. Screw; 5. Thermocouple sleeve; 6. Impact test sample; 7. Thermocouple; 8. Thermocouple contact head. Detailed Implementation
[0015] To address the problem of measuring the sample surface temperature in existing silicon carbide sample impact tests, this invention provides a real-time temperature measurement device for silicon carbide sample thermal shock tests. For example... Figure 1 , Figure 2 As shown, the real-time temperature measuring device includes: a hook 1, a hanging cylinder 2, a wire basket 3, a screw 4, a thermocouple sleeve 5, an impact test sample 6, a thermocouple 7, and a thermocouple contact head 8. During the thermal shock test heating process, the materials used in the temperature measuring device can withstand high temperatures not exceeding 1400℃ and do not react with the test sample.
[0016] The upper part of the temperature measuring device consists of a hanging cylinder 2 and a hook 1 located on the upper part of the hanging cylinder 2. The hanging cylinder 2 has a frame-shaped structure with a circular protruding hook 1 at the center of the upper end of the frame structure. The hanging cylinder 2 is connected to a thermocouple sleeve 5 by screws 4. The thermocouple 7 used for temperature measurement is placed inside the thermocouple sleeve 5. The function of the thermocouple sleeve 5 is to protect the thermocouple 7 from natural drooping, allowing the thermocouple contact head 8 to droop naturally under gravity and adhere to the surface of the impact test sample 6. During the lifting process, it ensures that the thermocouple 7 is not subjected to tension and does not separate from the impact test sample 6. Below the thermocouple sleeve 5 is a wire basket 3 for placing the impact test sample 6. The wire basket 3 is made of metal, and its material does not react with the sample at high temperatures. The size of the wire basket 3 can be designed according to the size of the sample, and its material is preferably molybdenum alloy. The design of the wire basket 3 allows the sample to be heated evenly in the furnace. The hook 1 contacts the upper end of the thermocouple 7, providing a fixed support for the thermocouple 7. Thermocouple contact 8, located below thermocouple 7, contacts the surface of impact test sample 6 to measure the surface temperature of impact test sample 6 in real time. During the temperature measurement process, thermocouple contact 8 of thermocouple 7 remains in close contact with the surface of impact test sample 6, and impact test sample 6 and thermocouple 7 move simultaneously during the impact.
[0017] It should be noted that the combination of the technical features in the embodiments of this utility model is not limited to the combination methods recorded in the embodiments of this utility model or the combination methods recorded in specific embodiments. All technical features recorded in this utility model can be freely combined or combined in any way, unless there is a contradiction between them.
[0018] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications or equivalent substitutions made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A device for measuring the temperature of a silicon carbide sample in real time during a thermal shock test, characterized in that it comprises: The device comprises a hanging cylinder (2) and a hook (1) above it, the hanging cylinder (2) is connected with a thermocouple sleeve (5) through a screw (4), a thermocouple (7) for temperature measurement is placed in the thermocouple sleeve (5), a mesh basket (3) capable of placing an impact test sample (6) is arranged below the thermocouple sleeve (5), a thermocouple contact head (8) below the thermocouple (7) is in contact with the surface of the impact test sample (6), and the surface temperature of the impact test sample (6) is measured in real time.
2. The apparatus according to claim 1, wherein The hanging cylinder (2) is a frame structure, and the hook (1) with a circular protrusion is arranged at the center of the upper end of the frame structure.
3. The apparatus according to claim 2, wherein the apparatus is characterized by: The hook (1) is in contact with the upper end of the thermocouple (7) and plays a fixing role for the thermocouple (7).
4. The apparatus according to claim 1, wherein The mesh basket (3) is a metal product, and the mesh basket material does not react with the sample at high temperature.
5. The apparatus according to claim 1, wherein the apparatus is characterized by: During the heating process of the thermal shock test, the material used by the temperature measuring device can withstand high temperature of not higher than 1400 DEG C.
6. The apparatus according to claim 1, wherein The thermocouple sleeve (5) protects the thermocouple (7) from natural drooping, and ensures that the thermocouple (7) is not subjected to tension and separated from the impact test sample (6) during lifting.
7. The apparatus according to claim 6, wherein the apparatus is characterized by: During the temperature measurement process, the thermocouple contact head (8) of the thermocouple (7) is always closely combined with the surface of the impact test sample (6), and the impact test sample (6) and the thermocouple (7) move simultaneously during the impact process.