CN213022001U - Device for measuring uniformity of temperature inside honeycomb under high-temperature test condition - Google Patents
Device for measuring uniformity of temperature inside honeycomb under high-temperature test condition Download PDFInfo
- Publication number
- CN213022001U CN213022001U CN202021492132.8U CN202021492132U CN213022001U CN 213022001 U CN213022001 U CN 213022001U CN 202021492132 U CN202021492132 U CN 202021492132U CN 213022001 U CN213022001 U CN 213022001U
- Authority
- CN
- China
- Prior art keywords
- honeycomb
- temperature
- sample
- holes
- pressure plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model belongs to the technical field of the combined material test, a measure device of the inside temperature homogeneity of honeycomb under the high temperature test condition is disclosed, including a plurality of K type thermocouple, one of them K type thermocouple is established in the check hole that honeycomb sample central point put, and other a plurality of K type thermocouples are evenly established in other check holes that surround its central point and put of honeycomb sample, and the position in the middle of honeycomb sample thickness direction is all established to a plurality of K type thermocouple. The utility model discloses can realize testing the homogeneity in the inside temperature field of honeycomb under the high temperature environment to the inside temperature distribution condition under the high temperature environment of reflection honeycomb that can be true, and can be used in mechanical properties is experimental.
Description
Technical Field
The utility model belongs to the technical field of the combined material test, a honeycomb's temperature measuring device is related to, concretely relates to measure device of the inside temperature homogeneity of honeycomb under the high temperature test condition.
Background
When a honeycomb structure in the field of aviation needs to be tested for pressure, structural strength and the like, the test is usually carried out in a high-temperature environment, and parameters of the honeycomb structure in the working environment are obtained by simulating the real working environment of the honeycomb structure.
Traditional simulation high temperature environment is put into high temperature environment case with the honeycomb, and high temperature heating is carried out to high temperature environment case's thermal resistance, and the inside temperature of environment case rises gradually to the settlement temperature, and the temperature that environment incasement wall temperature sensor measured generally regards as the temperature of honeycomb. Since the space of the environmental chamber is large, the internal temperature field has unevenness, that is, the temperature inside the honeycomb also has unevenness when the temperature measured by the temperature sensor on the inner wall of the environmental chamber is regarded as the honeycomb temperature. Therefore, in order to more truly reflect the internal temperature of the honeycomb under the high-temperature test condition, the accuracy of the measurement of the internal temperature of the honeycomb needs to be ensured. At present, no test device for accurately testing the uniformity of the temperature inside the honeycomb under a high-temperature environment exists. Therefore, a new test method is required to accurately test the uniformity of the temperature inside the honeycomb in a high temperature environment.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a measure the device of the inside temperature homogeneity of honeycomb under the high temperature test condition to the mesh of honeycomb mechanical properties under the true reflection high temperature environment has been realized.
The technical scheme of the utility model is that:
the utility model provides a measure device of honeycomb inside temperature homogeneity under high temperature test condition, includes a plurality of K type thermocouple, and one of them K type thermocouple is established in the cell of honeycomb sample central point position, and other a plurality of K type thermocouple are evenly established in other cell that surround its central point of honeycomb sample.
Furthermore, a plurality of K-type thermocouples are arranged in the middle of the honeycomb sample in the thickness direction. Thus, the thermocouple is ensured to be positioned at the center of the honeycomb sample, and more average temperature can be detected, so that an accurate honeycomb sample temperature field is obtained.
Furthermore, the test device comprises an upper pressure plate, wherein a plurality of through grooves and a plurality of through holes are formed in the upper pressure plate, and a plurality of K-type thermocouples are introduced into the grid holes of the honeycomb sample from the plurality of through grooves and the plurality of through holes in the upper pressure plate. The pressure plate structure is utilized to pressurize the honeycomb sample, so that the pressure bearing capacity of the honeycomb sample in a certain temperature environment can be detected, and the real working condition can be simulated; and the thermocouple is also put into the honeycomb sample through the pressure plate structure, so that the structure of the honeycomb sample is not damaged, and the accuracy of the test result is not influenced.
Further, the honeycomb sample testing device further comprises a spherical support, the honeycomb sample is placed between the upper pressing plate and the spherical support, and the honeycomb sample is located in the center of the spherical support. The spherical support is placed below the honeycomb sample and can be matched with the upper pressing plate to pressurize the honeycomb sample, the angle of the honeycomb sample can be automatically adjusted by the spherical support, and the actual mechanical property of the honeycomb sample can be conveniently measured.
Furthermore, 5K-type thermocouples are provided, 3 through grooves are provided on the upper pressure plate, 5 through holes are provided on the upper pressure plate, one through groove on the upper pressure plate traverses the central position of the upper pressure plate, and the other two through grooves are respectively and uniformly arranged in parallel on the upper side and the lower side of the through groove at the central position at intervals; one through hole is arranged in the middle of the through groove at the central position, the other four through holes are respectively arranged on the other two through grooves, and the through holes based on the central position are centrosymmetric; 5K-type thermocouples extend into the cells of the honeycomb sample through the 3 through grooves and the 5 through holes respectively. The inside temperature field distribution that 5 thermocouples can the complete measurement honeycomb style, the position of thermocouple can be fixed to the structural design who leads to the groove three, guarantees that 5 thermocouples can put into the honeycomb sample according to the requirement of design to the processing of being convenient for of reasonable in design, the line of walking of thermocouple can not interfere each other.
Further, 1 type K thermocouple was provided at the center of the honeycomb sample, and 4 other type K thermocouples were provided at 4 positions from both side edges of the honeycomb sample to the inner edge 1/3 of the honeycomb sample, respectively. These 4 positions, in combination with the center position of the honeycomb sample, enable the distribution of the temperature field inside the honeycomb sample which needs the most attention in the test to be obtained.
The utility model has the advantages that:
the utility model discloses can realize testing the homogeneity in the inside temperature field of honeycomb under the high temperature environment to the inside temperature distribution condition of reflection honeycomb under the high temperature environment that can be true.
Drawings
FIG. 1 is a schematic diagram of an apparatus for testing the temperature uniformity inside a honeycomb under a high temperature environment;
FIG. 2 is a schematic structural view of the upper platen of the present invention;
FIG. 3 is a schematic view A-A of FIG. 1;
FIG. 4 is a schematic view of a thermocouple penetration honeycomb location;
the device comprises a base, a pressure plate, a spherical support, a honeycomb sample, a through groove, a through hole, a thermocouple, a temperature measuring point and a temperature measuring device, wherein the pressure plate is 1-an upper pressure plate, the spherical support is 2-a honeycomb sample, the through groove is 4-a through hole, the through hole is 5-a through hole, the thermocouple is.
Detailed Description
This section is an embodiment of the present invention for explaining and explaining the technical solution of the present invention.
The utility model discloses a measure inside temperature homogeneity of honeycomb's device under high temperature test condition, including a plurality of K type thermocouple 6, one of them K type thermocouple 6 is established in the grid hole that 3 central points put of honeycomb sample, and other a plurality of K type thermocouples 6 are evenly established in other grid holes that surround its central point and put of honeycomb sample 3.
A plurality of K-type thermocouples 6 were provided at positions in the middle in the thickness direction of the honeycomb sample 3. Thus, the thermocouple is ensured to be positioned at the center of the honeycomb sample, and more average temperature can be detected, so that an accurate honeycomb sample temperature field is obtained.
The device of the utility model also comprises an upper press plate 1, wherein the upper press plate 1 is provided with a plurality of through grooves and a plurality of through holes, and a plurality of K-type thermocouples 6 are arranged in the through grooves and the grid holes of the honeycomb sample 3 from the upper press plate 1. The pressure plate structure is utilized to pressurize the honeycomb sample, so that the pressure bearing capacity of the honeycomb sample in a certain temperature environment can be detected, and the real working condition can be simulated; and the thermocouple is also put into the honeycomb sample through the pressure plate structure, so that the structure of the honeycomb sample is not damaged, and the accuracy of the test result is not influenced.
The utility model discloses a device still includes spherical bearing, and honeycomb sample 3 is placed between top board and spherical bearing, and honeycomb sample 3 puts at the central point of spherical bearing. The spherical support is placed below the honeycomb sample and can be matched with the upper pressing plate to pressurize the honeycomb sample, the angle of the honeycomb sample can be automatically adjusted by the spherical support, and the actual mechanical property of the honeycomb sample can be conveniently measured.
The number of the K-type thermocouples is 5, the number of the through grooves on the upper pressure plate 1 is 3, the number of the through holes on the upper pressure plate 1 is 5, one through groove on the upper pressure plate 1 transversely penetrates through the central position of the upper pressure plate 1, and the other two through grooves are respectively uniformly arranged on the upper side and the lower side of the through groove at the central position in parallel at intervals; one through hole is arranged in the middle of the through groove at the central position, the other four through holes are respectively arranged on the other two through grooves, and the through holes based on the central position are centrosymmetric; 5K-type thermocouples 6 respectively extend into the cells of the honeycomb sample 3 through the 3 through grooves and the 5 through holes. The inside temperature field distribution that 5 thermocouples can the complete measurement honeycomb style, the position of thermocouple can be fixed to the structural design who leads to the groove three, guarantees that 5 thermocouples can put into the honeycomb sample according to the requirement of design to the processing of being convenient for of reasonable in design, the line of walking of thermocouple can not interfere each other.
Further, 1 type K thermocouple 6 was disposed at the center of the honeycomb sample 3, and 4 other type K thermocouples 6 were disposed at 4 positions from both side edges of the honeycomb sample 3 to the inner edge 1/3 of the honeycomb sample 3, respectively. These 4 positions, in combination with the center position of the honeycomb sample, enable the distribution of the temperature field inside the honeycomb sample which needs the most attention in the test to be obtained.
Another embodiment of the present invention is described below with reference to the drawings.
The invention adopts an upper pressure plate 1 and a spherical support 2, a honeycomb sample 3 is placed between the upper pressure plate and the spherical support, and the honeycomb sample is arranged at the central position of the spherical support. Three through grooves 4 are formed in the upper side of the upper pressure plate 1, five through holes 5 are drilled, an OMEGA brand K-type thermocouple 6 with the specification of TT-K-24-SLE penetrates into a honeycomb lattice hole through the through grooves and the through holes and is placed in the middle position of the honeycomb thickness, and the schematic diagram of the testing device is shown in figures 1, 2 and 3: the temperature inside the honeycomb under the high-temperature environment is tested by thermocouples arranged at five temperature measuring points 7 of the honeycomb sample, so that the uniformity of the temperature inside the honeycomb is reflected.
The upper platen and the spherical seat function to give a pressure to the honeycomb because the purpose of this test is to measure the strength of the honeycomb in a high temperature environment.
K-type thermocouples penetrate into the honeycomb from the upper surface of the honeycomb, away from the edge 1/3 of the honeycomb and from grid holes in the center of the honeycomb through the through grooves and the through holes of the upper pressure plate, are placed in the middle of the honeycomb in the thickness direction as shown in FIG. 4, and the temperature of 5 temperature measuring points is measured to reflect the uniformity of the honeycomb.
The utility model discloses the concrete realization process is placed the honeycomb test piece between top board and spherical bearing, penetrates the through-hole of K type thermocouple through the top board inside the honeycomb lattice hole, measures the temperature homogeneity of honeycomb.
Claims (6)
1. The device for measuring the temperature uniformity inside the honeycomb under the high-temperature test condition is characterized by comprising a plurality of K-type thermocouples (6), wherein one K-type thermocouple (6) is arranged in a grid hole in the center of a honeycomb sample (3), and the other K-type thermocouples (6) are uniformly arranged in other grid holes surrounding the center of the honeycomb sample (3).
2. The apparatus for measuring the temperature uniformity inside a honeycomb under high temperature test conditions according to claim 1, wherein the plurality of K-type thermocouples (6) are arranged at the middle positions in the thickness direction of the honeycomb specimen (3).
3. The device for measuring the temperature uniformity inside the honeycomb under the high-temperature test condition according to claim 1, further comprising an upper pressure plate (1), wherein a plurality of through grooves and a plurality of through holes are formed in the upper pressure plate (1), and a plurality of K-type thermocouples (6) are introduced into the lattice holes of the honeycomb sample (3) from the plurality of through grooves and the plurality of through holes in the upper pressure plate (1).
4. The device for measuring the temperature uniformity in the honeycomb under the high-temperature test condition according to claim 3, further comprising a spherical support, wherein the honeycomb sample (3) is placed between the upper pressing plate and the spherical support, and the honeycomb sample (3) is arranged in the center of the spherical support.
5. The device for measuring the temperature uniformity inside the honeycomb under the high-temperature test condition according to claim 1, wherein the number of the K-type thermocouples (6) is 5, the number of the through grooves on the upper pressure plate (1) is 3, the number of the through holes on the upper pressure plate (1) is 5, one through groove on the upper pressure plate (1) traverses the central position of the upper pressure plate (1), and the other two through grooves are respectively and uniformly spaced and parallelly arranged on the upper side and the lower side of the through groove at the central position; one through hole is arranged in the middle of the through groove at the central position, the other four through holes are respectively arranged on the other two through grooves, and the through holes based on the central position are centrosymmetric; 5K-type thermocouples (6) respectively extend into the grid holes of the honeycomb sample (3) through the 3 through grooves and the 5 through holes.
6. The apparatus for measuring the uniformity of temperature inside a honeycomb under high temperature test conditions according to claim 5, wherein 1 type K thermocouple (6) is provided at the center of the honeycomb specimen (3), and the other 4 type K thermocouples (6) are provided at 4 positions from both side edges of the honeycomb specimen (3) to the inner edge 1/3 of the honeycomb specimen (3), respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021492132.8U CN213022001U (en) | 2020-07-24 | 2020-07-24 | Device for measuring uniformity of temperature inside honeycomb under high-temperature test condition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021492132.8U CN213022001U (en) | 2020-07-24 | 2020-07-24 | Device for measuring uniformity of temperature inside honeycomb under high-temperature test condition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213022001U true CN213022001U (en) | 2021-04-20 |
Family
ID=75518385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021492132.8U Active CN213022001U (en) | 2020-07-24 | 2020-07-24 | Device for measuring uniformity of temperature inside honeycomb under high-temperature test condition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213022001U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113418621A (en) * | 2021-06-04 | 2021-09-21 | 中国航空工业集团公司济南特种结构研究所 | Device for accurately testing internal temperature of large-thickness Nomex paper honeycomb in high-temperature environment |
-
2020
- 2020-07-24 CN CN202021492132.8U patent/CN213022001U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113418621A (en) * | 2021-06-04 | 2021-09-21 | 中国航空工业集团公司济南特种结构研究所 | Device for accurately testing internal temperature of large-thickness Nomex paper honeycomb in high-temperature environment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104535609A (en) | Device for determining heat-conductivity coefficient | |
| CN108693049B (en) | Unsaturated soil evaporation and dehumidification direct shear apparatus and use method thereof | |
| CN213022001U (en) | Device for measuring uniformity of temperature inside honeycomb under high-temperature test condition | |
| CN112257303B (en) | Temperature stabilization time testing method based on thermal simulation model | |
| CN110320221B (en) | Quantitative determination method for interface void of steel shell and non-homogeneous structure | |
| CN105784523A (en) | Device and method for testing real hardness value of material based on indentation test | |
| CN109870258B (en) | Instrumented spherical indentation detection method for plane random residual stress | |
| CN104964760A (en) | Dry friction pair infrared thermocouple embedded type dynamic temperature measurement method | |
| CN112197895A (en) | Square electricity core bulging force testing arrangement | |
| CN109507021B (en) | Method for rapidly characterizing mechanical property of composite material | |
| CN111443106A (en) | Method and system for testing equivalent thermal conductivity coefficient of heterogeneous material | |
| CN109490334B (en) | Nondestructive testing method for T-shaped forge piece by using residual stress prediction model | |
| CN101980008B (en) | Method for testing contact thermal resistance of GH4169/GH4169 by additional heating | |
| CN106501321B (en) | Dynamic water content testing device and system | |
| CN103399974B (en) | Quantize the method comparing random vibration emulated data and experimental data | |
| CN106225759B (en) | The measuring device and system of new energy car battery cool-heat-exchanger flatness | |
| CN115628992A (en) | Shearing device | |
| CN102033077B (en) | Method for testing contact thermal resistance of GH4169/K417 alloy | |
| CN101975795A (en) | Contact thermal resistance test method applied to GH4169/GH4169 high temperature alloy | |
| CN208350697U (en) | A kind of Seebeck factor detection device | |
| CN209429098U (en) | A kind of three-dimensional soil pressure cell with flat base | |
| CN206387755U (en) | A kind of heat conduction efficiency contrast test device | |
| CN212747749U (en) | Quick depth detection device | |
| CN210426376U (en) | Assembly part aperture detection gauge | |
| CN113418621A (en) | Device for accurately testing internal temperature of large-thickness Nomex paper honeycomb in high-temperature environment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |