CN111398345A - Heat conductivity coefficient detector for cylindrical vacuum insulation panel - Google Patents
Heat conductivity coefficient detector for cylindrical vacuum insulation panel Download PDFInfo
- Publication number
- CN111398345A CN111398345A CN202010391735.7A CN202010391735A CN111398345A CN 111398345 A CN111398345 A CN 111398345A CN 202010391735 A CN202010391735 A CN 202010391735A CN 111398345 A CN111398345 A CN 111398345A
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- Prior art keywords
- heat
- heat conduction
- base
- pipe
- vacuum insulation
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- 238000009413 insulation Methods 0.000 title claims abstract description 43
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 description 10
- 238000001514 detection method Methods 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000013480 data collection Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003908 quality control method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 239000011162 core material Substances 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Images
Classifications
-
- 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
- G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
Abstract
The invention discloses a heat conductivity coefficient detector of a cylindrical vacuum insulation panel, which comprises a base and a data processor, wherein the top of the base is vertically and fixedly connected with a heat conduction pipe, the surface of the heat conduction pipe is provided with a data acquisition device, the top of the base and one side of the heat conduction pipe are fixedly connected with a fixed seat, one side of the top of the base is provided with a clamping block, the top of the clamping block is vertically and fixedly connected with an adjustable telescopic rod, one side of the top of the adjustable telescopic rod is fixedly connected with a first temperature sensor, the side surface of the base is provided with a second temperature sensor, a temperature-adjustable heating pipe is arranged in the heat conduction pipe, and the side surface of the. The detector for the heat conductivity coefficient of the cylindrical vacuum insulation panel solves the problem that the heat conductivity coefficient of the cylindrical vacuum insulation pipe cannot be rapidly detected, and avoids unqualified products from being applied to terminal products.
Description
Technical Field
The invention relates to the technical field of heat insulation material detection, in particular to a heat conductivity coefficient detector for a cylindrical vacuum heat insulation plate.
Background
The vacuum heat-insulating plate is one of vacuum heat-insulating materials, is formed by compounding a filling core material and a vacuum protection surface layer, and effectively avoids heat transfer caused by air convection, so that the heat conductivity value can be greatly reduced, and the heat conductivity value is the lowest in the existing known materials. The product does not contain any ODS material, has the characteristics of environmental protection, high efficiency and energy conservation, and meets the aims of energy conservation and environmental protection in the current society.
The heat pipe technology is a heat transfer element called a heat pipe invented by g.m. grover of L osAlamos national laboratory in 1963, which makes full use of the principle of heat conduction and the rapid heat transfer property of a refrigeration medium, and the heat of a heat-generating object is rapidly transferred out of a heat source through the heat pipe, and the heat conduction capability of the heat pipe exceeds the heat conduction capability of any known metal.
Application No. 201510448791.9 describes a cylindrical vacuum insulation panel and a method for manufacturing the same;
application No. 2015100586027 describes a silica vacuum insulation panel crimping process;
the cylindrical vacuum insulation panel has certain application market by combining the above patents and market demand feedback. The quality control of the vacuum insulation panel is generally performed by testing the heat conductivity value of the planar vacuum insulation panel through planar detection equipment; for the cylindrical vacuum insulation panel, no better test method exists at present. It is a common practice to perform a thermal conductivity value test on an unrolled flat-type vacuum insulation panel, and then to perform a rolling process to make a cylindrical shape. However, the performance of the final product cannot be tested by the process, and the curled processing process may also have a certain destructive effect on the vacuum insulation panel, so that the product has potential quality risks. This risk, due to the defects of the test, is not discovered when the end customer is in use, which in turn causes a quality loss for the customer.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a heat conductivity coefficient detector for a cylindrical vacuum insulation panel, which solves the problem that the heat conductivity coefficient of a cylindrical vacuum insulation pipe cannot be rapidly detected, and avoids unqualified products from being applied to terminal products.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a heat conductivity coefficient detector for a cylindrical vacuum insulation panel comprises a base and a data processor, wherein a heat conduction pipe is vertically and fixedly connected to the top of the base, a data collector is arranged on the surface of the heat conduction pipe, a fixed seat is fixedly connected to the top of the base and positioned on one side of the heat conduction pipe, a threaded rod is connected to the center thread of the fixed seat, a clamping block is arranged on one side of the top of the base, one end of the threaded rod is movably connected with the clamping block, a rotating handle is fixedly connected to the other end of the threaded rod, an adjustable telescopic rod is vertically and fixedly connected to the top of the clamping block, a first temperature sensor is fixedly connected to one side of the top of the adjustable telescopic rod, a second temperature sensor is arranged on the side of the base, the output ends of the data collector, the first temperature sensor, the inside of heat pipe is provided with the heating pipe that can adjust the temperature, the side of base is provided with temperature regulation knob.
Preferably, a cylindrical heat insulation plate is arranged on the surface of the heat conduction pipe, the inner wall of the cylindrical heat insulation plate is in contact with the surface of the heat conduction pipe, and the inner diameter of the cylindrical heat insulation plate is not smaller than the diameter of the heat conduction pipe.
Preferably, the data collector comprises a third temperature sensor and a heat flow sensor, and the data collector is uniformly distributed on the surface of the heat conduction pipe.
Preferably, the surface temperature of the heat conductive pipe is 50 to 100 ℃.
Preferably, the bottom of the clamping block is connected with the top of the base in a sliding mode.
Preferably, the heat conduction pipe is a copper pipe, and the heat conduction pipe is provided with a plurality of heat conduction pipes.
(III) advantageous effects
The invention provides a heat conductivity coefficient detector of a cylindrical vacuum insulation panel, which is characterized in that a heat conducting pipe is arranged in the cylindrical vacuum insulation panel during detection, an internal data collector and an external temperature sensor are combined, and the data collector is used for acquiring related data, so that the heat conductivity coefficient of the cylindrical vacuum insulation panel can be calculated, the blank of heat conductivity coefficient control of the cylindrical vacuum insulation panel is filled, the heat conductivity coefficient detector can be used as a quality control tool of a factory production line, and unqualified products are prevented from being applied to terminal products.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the base of the present invention;
FIG. 3 is an enlarged view taken at A of FIG. 2 according to the present invention;
FIG. 4 is a schematic view illustrating the inspection of the cylindrical insulating plate according to the present invention;
FIG. 5 is a schematic view showing the positions of the cylindrical heat insulating plate and the heat conducting pipe during the detection of the present invention.
In the figure: the device comprises a base 1, a heat conduction pipe 2, a third temperature sensor 3, a heat flow sensor 4, a fixed seat 5, a threaded rod 6, a clamping block 7, a rotating handle 8, an adjustable telescopic rod 9, a first temperature sensor 10, a temperature adjusting knob 11, a second temperature sensor 12, a cylindrical heat insulation plate 13 and a data processor 14.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a heat conductivity coefficient detector for a cylindrical vacuum insulation panel comprises a base 1 and a data processor 14, wherein the top of the base 1 is vertically and fixedly connected with a heat conduction tube 2, the surface of the heat conduction tube 2 is provided with a data acquisition device, the top of the base 1 and one side of the heat conduction tube 2 are fixedly connected with a fixed seat 5, the central thread of the fixed seat 5 is connected with a threaded rod 6, one side of the top of the base 1 is provided with a clamping block 7, one end of the threaded rod 6 is movably connected with the clamping block 7, the other end of the threaded rod 6 is fixedly connected with a rotating handle 8, the threaded rod 6 can be rotated by rotating the rotating handle 8 to drive the clamping block 7 to move, so that a cylindrical insulation panel 13 is clamped, and; the top of the clamping block 7 is vertically and fixedly connected with an adjustable telescopic rod 9, one side of the top of the adjustable telescopic rod 9 is fixedly connected with a first temperature sensor 10, the temperature of the outer surface of the cylindrical heat-insulating plate 13 can be acquired through the first temperature sensor 10, the position of the first temperature sensor 10 can be conveniently adjusted through the adjustable telescopic rod 9, and the temperatures of different positions of the surface of the cylindrical heat-insulating plate 13 can be acquired; a second temperature sensor 12 is arranged on the side surface of the base 1 and used for acquiring the current environment temperature, and the environment temperature is considered in influencing factors, so that the detection accuracy is improved; the output ends of the data acquisition unit, the first temperature sensor 10 and the second temperature sensor 12 are connected with the data processor 14 through data lines to realize data acquisition; the inside of heat pipe 2 is provided with the heating pipe that adjusts the temperature, and the side of base 1 is provided with temperature regulation knob 11, is convenient for adjust the temperature.
The surface of the heat conduction pipe 2 is provided with a cylindrical heat insulation plate 13, the inner wall of the cylindrical heat insulation plate 13 is in contact with the surface of the heat conduction pipe 2, the inner diameter of the cylindrical heat insulation plate 13 is not smaller than the diameter of the heat conduction pipe 2, and the length of the heat conduction pipe 2 is not smaller than the length of the cylindrical heat insulation plate 13, so that the cylindrical heat insulation plate 13 can be sleeved on the surface of the heat conduction pipe 2.
Data collection station includes third temperature sensor 3 and heat flow sensor 4, and data collection station evenly distributed improves the accuracy that detects on the surface of heat pipe 2.
The surface temperature of the heat conductive pipe 2 is 50 to 100 ℃.
The bottom of the clamping block 7 is connected with the top of the base 1 in a sliding way.
The heat conduction pipe 2 is a copper pipe, and the copper pipe conducts heat uniformly; the heat conduction pipes 2 are provided with a plurality of cylindrical heat insulation plates 13, so that the detection efficiency is improved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The term "comprising", without further limitation, means that the element so defined is not excluded from the group consisting of additional identical elements in the process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a heat conductivity coefficient detector of cylinder type vacuum insulation panel which characterized in that: comprises a base (1) and a data processor (14), the top of the base (1) is vertically and fixedly connected with a heat pipe (2), the surface of the heat pipe (2) is provided with a data acquisition device, the top of the base (1) is fixedly connected with a fixing seat (5) on one side of the heat pipe (2), the central thread of the fixing seat (5) is connected with a threaded rod (6), one side of the top of the base (1) is provided with a clamping block (7), one end of the threaded rod (6) is movably connected with the clamping block (7), the other end of the threaded rod (6) is fixedly connected with a rotating handle (8), the top of the clamping block (7) is vertically and fixedly connected with an adjustable telescopic rod (9), one side of the top of the adjustable telescopic rod (9) is fixedly connected with a first temperature sensor (10), and the side of the base (1) is provided with a, the output ends of the data acquisition device, the first temperature sensor (10) and the second temperature sensor (12) are connected with the data processor (14) through data lines, the temperature-adjustable heating pipe is arranged inside the heat conduction pipe (2), and the temperature adjusting knob (11) is arranged on the side face of the base (1).
2. The instrument for detecting the thermal conductivity of the cylindrical vacuum insulation panel according to claim 1, wherein: the heat conduction pipe heat insulation structure is characterized in that a cylindrical heat insulation plate (13) is arranged on the surface of the heat conduction pipe (2), the inner wall of the cylindrical heat insulation plate (13) is in contact with the surface of the heat conduction pipe (2), and the inner diameter of the cylindrical heat insulation plate (13) is not smaller than the diameter of the heat conduction pipe (2).
3. The instrument for detecting the thermal conductivity of the cylindrical vacuum insulation panel according to claim 1, wherein: the data collector comprises a third temperature sensor (3) and a heat flow sensor (4), and the data collector is uniformly distributed on the surface of the heat conduction pipe (2).
4. The instrument for detecting the thermal conductivity of the cylindrical vacuum insulation panel according to claim 1, wherein: the surface temperature of the heat conduction pipe (2) is 50-100 ℃.
5. The instrument for detecting the thermal conductivity of the cylindrical vacuum insulation panel according to claim 1, wherein: the bottom of the clamping block (7) is connected with the top of the base (1) in a sliding mode.
6. The instrument for detecting the thermal conductivity of the cylindrical vacuum insulation panel according to claim 1, wherein: the heat conduction pipes (2) are copper pipes, and the heat conduction pipes (2) are arranged in a plurality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010391735.7A CN111398345A (en) | 2020-05-11 | 2020-05-11 | Heat conductivity coefficient detector for cylindrical vacuum insulation panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010391735.7A CN111398345A (en) | 2020-05-11 | 2020-05-11 | Heat conductivity coefficient detector for cylindrical vacuum insulation panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111398345A true CN111398345A (en) | 2020-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010391735.7A Pending CN111398345A (en) | 2020-05-11 | 2020-05-11 | Heat conductivity coefficient detector for cylindrical vacuum insulation panel |
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| Country | Link |
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| CN (1) | CN111398345A (en) |
Citations (12)
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|---|---|---|---|---|
| US20070165692A1 (en) * | 2006-01-16 | 2007-07-19 | Foxconn Technology Co., Ltd. | Performance testing apparatus for heat pipes |
| CN201464397U (en) * | 2009-08-12 | 2010-05-12 | 长沙理工大学 | Field detecting device for heat transfer coefficient of building envelope |
| CN203053902U (en) * | 2013-01-16 | 2013-07-10 | 重庆大学 | Building envelope structure heat transfer coefficient field detection system |
| CN103217454A (en) * | 2013-03-22 | 2013-07-24 | 南京航空航天大学 | Fiber bragg grating measurement system and method for cylindrical structure thermal diffusivity |
| CN205941189U (en) * | 2016-07-29 | 2017-02-08 | 张家港清研检测技术有限公司 | Be used for sheet metal cross -section vickers hardness measuring clamping device |
| CN107300571A (en) * | 2017-08-02 | 2017-10-27 | 广东建粤工程检测有限公司 | A kind of building wall heat transfer coefficient detection means and building wall heat transfer coefficient detection method |
| CN206696212U (en) * | 2017-04-25 | 2017-12-01 | 苏州市建设工程质量检测中心有限公司 | Tubular insulation material heat conducting coefficient measurement device |
| CN109613055A (en) * | 2018-12-27 | 2019-04-12 | 上海工程技术大学 | A kind of the stable state measuring method and measurement device of cylindrical battery radial direction thermal coefficient |
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2020
- 2020-05-11 CN CN202010391735.7A patent/CN111398345A/en active Pending
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Application publication date: 20200710 |
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