CN215263223U - Building materials detects coefficient of heat conductivity survey device - Google Patents
Building materials detects coefficient of heat conductivity survey device Download PDFInfo
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- CN215263223U CN215263223U CN202120000715.2U CN202120000715U CN215263223U CN 215263223 U CN215263223 U CN 215263223U CN 202120000715 U CN202120000715 U CN 202120000715U CN 215263223 U CN215263223 U CN 215263223U
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- fixedly connected
- heat insulation
- box body
- insulation box
- plate
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- 239000004566 building material Substances 0.000 title claims abstract description 23
- 238000009413 insulation Methods 0.000 claims abstract description 35
- 238000001514 detection method Methods 0.000 claims abstract description 33
- 238000001125 extrusion Methods 0.000 claims abstract description 25
- 238000003466 welding Methods 0.000 claims abstract description 9
- 238000010438 heat treatment Methods 0.000 claims description 14
- 238000005485 electric heating Methods 0.000 claims description 8
- 238000012360 testing method Methods 0.000 abstract description 11
- 239000000463 material Substances 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 9
- 238000005192 partition Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
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- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The utility model provides a device for measuring the heat conductivity coefficient of building material detection, which comprises a heat insulation box body; the bottom of the heat insulation box body is provided with a base through threaded connection; the number of the bases is four; the inner surface of the heat insulation box body is fixedly connected with a nano-base heat insulation soft felt; the top surface of the outer part of the heat insulation box body is fixedly connected with a control part; the left side surface inside the heat insulation box body is provided with a fixed cold plate through a molded surface in a connecting way; the right side surface of the heat insulation box body is fixedly connected with a hydraulic cylinder; the tail end of a hydraulic rod on the side surface of the hydraulic cylinder is connected with an extrusion hot plate through welding; the bottom of the extrusion hot plate is provided with a bottom guide rail through a molded surface in a connecting way; when the device internal temperature is less than the ambient temperature, through the first detection device internal temperature of temperature detection, do the contrast with device external temperature, start the compensation heat lamp through the control part, make the device inside and outside temperature unanimous, reduce the influence of device external temperature to experimental materials to reduce the deviation of testing result.
Description
Technical Field
The utility model belongs to the technical field of the building materials detects, more specifically says, in particular to building materials detects coefficient of heat transfer survey device.
Background
The ability of an object to conduct heat is also known as thermal conductivity. Defined as the amount of heat transferred per unit time per unit temperature gradient (1K temperature drop over a 1m length) through the unit heat-conducting surface. The units are in watts per meter Kelvin [ W/(m.K) ], where K can be replaced by ℃ C. Various heat conductivity coefficient measuring methods have been developed, and have different application fields, measuring ranges, precision, accuracy, sample size requirements and the like, and different methods may have great difference on the measuring result of the same sample, so that the selection of a proper measuring method is the first priority, and a steady state method is a classical heat conductivity coefficient measuring method for heat-insulating materials and is still widely applied up to now. The principle is that the heat conductivity coefficient is calculated according to the heat flow density, the temperature difference at two sides and the thickness of a sample according to a Fourier one-dimensional steady heat conduction model by utilizing the equilibrium state that the heat transfer rate is equal to the heat dissipation rate in the stable heat transfer process.
Through retrieving for example, patent No. CN210894181U discloses a thermal conductivity tester, relates to building materials check out test set field, has solved among the prior art thermal conductivity tester heat loss in the testing process and has leaded to the great problem of testing result error, and its technical scheme main points are: the device comprises a box body with an opening, wherein the interior of the box body is divided into a detection bin and a driving bin by a partition plate; a first telescopic rod is arranged on the inner wall of the driving bin, which is far away from the partition plate, and a thermal protection furnace is arranged at the end part of the first telescopic rod; the partition board is provided with a through hole for inserting the heat supply protection furnace; the bottom end of the detection bin is provided with a detection table, and the side wall of the detection bin is symmetrically provided with second telescopic rods; clamping plates are arranged at the end parts of the second telescopic rods; a heat flow sensor is arranged at the top end of the detection table; the heat flow sensor is electrically connected with the control unit; the first telescopic rod, the second telescopic rod and the thermal protection furnace are electrically connected with the control unit; the effects of improving the detection efficiency and reducing the detection error are achieved.
Based on the above, the conventional building material detection heat conductivity coefficient measuring device is mainly of a box-shaped structure, a structure for thermal compensation in a detection process is not generally arranged, a structure for reducing the influence of external temperature on experimental materials in the device is not arranged, the temperature balance in the detection device cannot be maintained, and a detection result is easy to deviate.
In view of the above, the present invention provides a thermal conductivity measuring device for building material detection, which is improved in view of the existing structure and defects, so as to achieve the purpose of higher practical value.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a building materials detect coefficient of heat conductivity survey device to solve present common building materials that provide in the above-mentioned background art and detect coefficient of heat conductivity survey device and mainly be the box structure, generally do not set up the structure that is used for the heating power compensation in the testing process, do not set up the structure that reduces ambient temperature to the influence of the inside experimental materials of device, can not maintain the inside temperature balance of detection device, make the testing result produce the problem of deviation easily.
The utility model relates to a purpose and efficiency of building materials detection coefficient of heat survey device is reached by following specific technological means:
a device for detecting the heat conductivity coefficient of building materials comprises a heat insulation box body; the bottom of the heat insulation box body is provided with a base through threaded connection; the number of the bases is four; the inner surface of the heat insulation box body is fixedly connected with a nano-base heat insulation soft felt; the top surface of the outer part of the heat insulation box body is fixedly connected with a control part; the left side surface inside the heat insulation box body is provided with a fixed cold plate through a molded surface in a connecting way; the right side surface of the heat insulation box body is fixedly connected with a hydraulic cylinder; the tail end of a hydraulic rod on the side surface of the hydraulic cylinder is connected with an extrusion hot plate through welding; the bottom of the extrusion hot plate is provided with a bottom guide rail through a molded surface in a connecting way; the bottom of the bottom guide rail is fixedly connected with a groove; and the top of the extrusion hot plate is provided with a top guide rail through profile connection.
Furthermore, the fixed cold plate also comprises a fixed sliding plate A, a support body A and a bearing groove A; the side surface of the fixed cold plate is fixedly connected with a fixed sliding plate A; the fixed sliding plates A are arranged into two groups in number; the side surface of the fixed sliding plate A is fixedly connected with a support body A; the side surface of the support body A is fixedly connected with a bearing groove A through welding.
Further, the side surface of the bearing groove A is provided with a pressure sensor through a molded surface in a connecting way; the bottom of the pressure sensor is provided with a cold plate temperature measuring head; the compensation heating lamp is connected with the control part through a circuit.
Furthermore, the extrusion hot plate also comprises a fixed sliding plate B, a support body B and a buffer groove; the side surface of the extrusion hot plate is fixedly connected with a fixed sliding plate B; the fixed sliding plates B are arranged into two groups; a support body B is connected with the side surface of the fixed sliding plate B in a prescribed way; the support body B right flank is connected with the spring through welded fastening, and spring one end is connected with the inside side of extrusion hot plate, support body B side fixedly connected with dashpot.
Furthermore, the extrusion hot plate also comprises a bearing groove B and an electric hot plate; the left side surface of the support body B is fixedly connected with a bearing groove B; the side surface of the bearing groove B is provided with an electric heating plate through a molded surface; the number of the electric heating plates is set to five groups.
Further, a temperature detection head is fixedly connected to the top surface inside the heat insulation box body; the temperature detection head is connected with the control part through a circuit, and the bottom surface in the heat insulation box body is fixedly connected with a compensation heating lamp.
Compared with the prior art, the utility model discloses following beneficial effect has:
the setting of compensation heating lamp when the device internal temperature is less than ambient temperature, detects first detection device internal temperature through the temperature, does the contrast with device external temperature, starts the compensation heating lamp through the control part, makes the inside and outside temperature of device unanimous, reduces the influence of device external temperature change to experimental materials to reduce the deviation of testing result.
The setting of thermal-insulated box through with inside the cooperation of receiving the thermal-insulated soft felt of base, can keep the device internal temperature at invariable standard, reduces the device ambient temperature and to the device internal influence to reduce detection error.
Drawings
Fig. 1 is a schematic front sectional view of the present invention.
Fig. 2 is a partially enlarged schematic view of a in fig. 1.
Fig. 3 is a schematic side sectional structure view of the heating portion of the present invention.
Fig. 4 is a schematic perspective view of the heating portion of the present invention.
Fig. 5 is a schematic side view of the guide rail of the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. a heat insulation box body; 101. a base; 2. nano-base heat-insulating soft felt; 3. a control unit; 4. fixing the cold plate; 401. fixing the sliding plate A; 402. a support body A; 403. a bearing groove A; 5. extruding the hot plate; 501. fixing the sliding plate B; 502. a support body B; 503. a buffer tank; 504. a bearing groove B; 505. an electric hot plate; 6. a bottom rail; 601. a groove; 7. a top rail; 8. a temperature detection head; 801. a compensation heating lamp; 9. a hydraulic cylinder; 10. a pressure sensor; 1001. a cold plate temperature measuring head.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 5:
the utility model provides a device for measuring the heat conductivity coefficient of building material detection, which comprises a heat insulation box body 1; the bottom of the heat insulation box body 1 is provided with a base 101 through thread connection; the number of the bases 101 is set to four groups; the inner surface of the heat insulation box body 1 is fixedly connected with a nano-base heat insulation soft felt 2; the top surface of the outer part of the heat insulation box body 1 is fixedly connected with a control part 3; the left side surface inside the heat insulation box body 1 is connected with a fixed cold plate 4 through a molded surface; a hydraulic cylinder 9 is fixedly connected to the right side surface of the heat insulation box body 1; the tail end of a hydraulic rod on the side surface of the hydraulic cylinder 9 is connected with an extrusion hot plate 5 through welding; the bottom of the extrusion hot plate 5 is provided with a bottom guide rail 6 through a molded surface; the bottom of the bottom guide rail 6 is fixedly connected with a groove 601; the top of the extrusion hot plate 5 is provided with a top guide rail 7 through a profile connection; the fixed cold plate 4 further comprises a fixed sliding plate A401, a support body A402 and a receiving groove A403; the side surface of the fixed cold plate 4 is fixedly connected with a fixed sliding plate A401; the fixed sliding plates a401 are provided in two groups in number; the side surface of the fixed sliding plate A401 is fixedly connected with a support body A402; the side surface of the support body A402 is fixedly connected with a bearing groove A403 through welding; the side surface of the bearing groove A403 is provided with a pressure sensor 10 through profile connection; a cold plate temperature measuring head 1001 is arranged at the bottom of the pressure sensor 10; the compensation heating lamp 801 is connected with the control part 3 through a circuit; the extrusion hot plate 5 also comprises a fixed sliding plate B501, a support body B502 and a buffer groove 503; the side surface of the extrusion hot plate 5 is fixedly connected with a fixed sliding plate B501; the fixed sliding plates B501 are provided in two groups in number; a support body B502 is fixedly connected to the side surface of the fixed sliding plate B501; the right side of the support body B502 is fixedly connected with a spring through welding, one end of the spring is connected with the inner side of the extrusion hot plate 5, and the side of the support body B502 is fixedly connected with a buffer groove 503.
The pressure sensor 10 referred to in the present invention is an HQ-308 diffused silicon pressure sensor, which has reverse polarity and current limiting protection; laser resistance-adjusting temperature compensation; zero point and measuring range can be adjusted on site; the range is wide, corrosion resistance is realized, and the coating is suitable for various media; the overload and anti-interference capability is strong, the performance is stable, and the anti-interference device can be obtained by market purchase.
Wherein, the extrusion hot plate 5 also comprises a receiving groove B504 and an electric hot plate 505; the left side surface of the support body B502 is fixedly connected with a bearing groove B504; the side surface of the bearing groove B504 is provided with an electric heating plate 505 through profile connection; the number of the electric heating plates 505 is set to five groups. The building material raw material plate is placed between the receiving groove B504 and the receiving groove A403, the hydraulic cylinder 9 is operated through the control part 3 through a circuit to drive the extrusion hot plate 5 to move horizontally, the test plate between the receiving groove A403 and the receiving groove B504 is fixed, the pressure of the experimental material is sensed through the pressure sensor 10, the hydraulic cylinder 9 is stopped and pushed by the control part 3 through the controller, one end of the experimental plate is heated through the electric heating plate 505, the temperature of the other end of the experimental plate is detected through the cold plate temperature measuring head 1001, and the heat conductivity coefficient of the building material is measured through measuring and calculating the heat conductivity speed.
Wherein, the top surface inside the heat insulation box body 1 is fixedly connected with a temperature detection head 8; the temperature detection head 8 is connected with the control part 3 through a circuit, and the inner bottom surface of the heat insulation box body 1 is fixedly connected with a compensation heating lamp 801. Through the inside temperature of 8 detection device of temperature detection head, do the contrast with the device outside temperature, start compensation heating lamp 801 through control portion 3, make the inside and outside temperature of device unanimous, reduce the influence of the change of device outside temperature to experimental materials to reduce the deviation of testing result.
The specific use mode and function of the embodiment are as follows:
in the utility model, when in use, the building material plate is placed between the receiving groove B504 and the receiving groove A403, the hydraulic cylinder 9 is operated by the control part 3 through a circuit to drive the extrusion hot plate 5 to do horizontal movement, so that the test plate between the bearing groove A403 and the bearing groove B504 is fixed, the pressure sensor 10 senses the pressure of the test material, the controller causes the control unit 3 to stop the advance of the hydraulic cylinder 9, one end of the experimental plate is heated by the electric heating plate 505, the temperature of the other end of the experimental plate is detected by the cold plate temperature measuring head 1001, the heat conduction coefficient of the building material is measured by measuring and calculating the heat conduction speed, the temperature inside the device is detected by the temperature detection head 8 and is compared with the temperature outside the device, the compensation heating lamp 801 is started through the control part 3, so that the internal temperature and the external temperature of the device are consistent, the influence of the external temperature of the device on experimental materials is reduced, and the deviation of a detection result is reduced.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (6)
1. A building materials detects coefficient of heat conductivity survey device which characterized in that includes: a heat insulation box body (1); the bottom of the heat insulation box body (1) is provided with a base (101) through thread connection; the number of the bases (101) is four; the inner surface of the heat insulation box body (1) is fixedly connected with a nano-base heat insulation soft felt (2); the top surface of the outer part of the heat insulation box body (1) is fixedly connected with a control part (3); the left side surface inside the heat insulation box body (1) is provided with a fixed cold plate (4) through a molded surface in a connecting way; a hydraulic cylinder (9) is fixedly connected to the right side surface of the heat insulation box body (1); the tail end of a hydraulic rod on the side surface of the hydraulic cylinder (9) is connected with an extrusion hot plate (5) through welding; the bottom of the extrusion hot plate (5) is provided with a bottom guide rail (6) through a molded surface connection; the bottom of the bottom guide rail (6) is fixedly connected with a groove (601); and the top of the extrusion hot plate (5) is provided with a top guide rail (7) through profile connection.
2. The building material detecting heat conductivity measuring device according to claim 1, wherein: the fixed cold plate (4) also comprises a fixed sliding plate A (401), a support body A (402) and a receiving groove A (403); the side surface of the fixed cold plate (4) is fixedly connected with a fixed sliding plate A (401); the number of the fixed sliding plates A (401) is set to two groups; a support body A (402) is fixedly connected to the side surface of the fixed sliding plate A (401); the side surface of the support body A (402) is fixedly connected with a receiving groove A (403) through welding.
3. The building material detection thermal conductivity measuring device according to claim 2, wherein: the side surface of the bearing groove A (403) is provided with a pressure sensor (10) through profile connection; a cold plate temperature measuring head (1001) is arranged at the bottom of the pressure sensor (10); the pressure sensor (10) is connected to the control unit (3) via a circuit.
4. The building material detecting heat conductivity measuring device according to claim 1, wherein: the extrusion hot plate (5) also comprises a fixed sliding plate B (501), a support body B (502) and a buffer groove (503); a fixed sliding plate B (501) is fixedly connected to the side surface of the extrusion hot plate (5); the number of the fixed sliding plates B (501) is set to two groups; a support body B (502) is fixedly connected to the side surface of the fixed sliding plate B (501); the right side of the support body B (502) is fixedly connected with a spring through welding, one end of the spring is connected with the inner side of the extrusion hot plate (5), and the side of the support body B (502) is fixedly connected with a buffer groove (503).
5. The building material detection thermal conductivity measuring device according to claim 4, wherein: the extrusion hot plate (5) also comprises a bearing groove B (504) and an electric hot plate (505); the left side surface of the support body B (502) is fixedly connected with a bearing groove B (504); the side surface of the bearing groove B (504) is provided with an electric heating plate (505) through profile connection; the number of the electric heating plates (505) is set to five groups.
6. The building material detecting heat conductivity measuring device according to claim 1, wherein: the top surface in the heat insulation box body (1) is fixedly connected with a temperature detection head (8); the temperature detection head (8) is connected with the control part (3) through a circuit, and the inner bottom surface of the heat insulation box body (1) is fixedly connected with a compensation heating lamp (801); the compensation heating lamp (801) is connected with the control part (3) through a circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120000715.2U CN215263223U (en) | 2021-01-02 | 2021-01-02 | Building materials detects coefficient of heat conductivity survey device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120000715.2U CN215263223U (en) | 2021-01-02 | 2021-01-02 | Building materials detects coefficient of heat conductivity survey device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215263223U true CN215263223U (en) | 2021-12-21 |
Family
ID=79489295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120000715.2U Expired - Fee Related CN215263223U (en) | 2021-01-02 | 2021-01-02 | Building materials detects coefficient of heat conductivity survey device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215263223U (en) |
-
2021
- 2021-01-02 CN CN202120000715.2U patent/CN215263223U/en not_active Expired - Fee Related
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Granted publication date: 20211221 |