CN211785262U - Building environmental protection material coefficient of heat conductivity detection device - Google Patents
Building environmental protection material coefficient of heat conductivity detection device Download PDFInfo
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- CN211785262U CN211785262U CN202020348991.3U CN202020348991U CN211785262U CN 211785262 U CN211785262 U CN 211785262U CN 202020348991 U CN202020348991 U CN 202020348991U CN 211785262 U CN211785262 U CN 211785262U
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Abstract
The utility model discloses a building environmental protection material coefficient of heat conductivity detection device relates to material detection area, and its technical scheme main points are including measuring the case and installing the test piece model in measuring the case, the test piece model includes the holding casing and compresses tightly the push pedal, the holding casing includes fixed square plate of fixed mounting on the cold plate and sets up and fix all around and connect the curb plate in four of measuring the incasement wall in fixed square plate, compress tightly the push pedal and set up relatively with fixed square plate and mutually support with the holding casing and form the holding chamber, the holding intracavity is provided with the elastic component that is used for connecting fixed square plate and test piece model, thereby its technological effect can compress tightly powdered material that awaits measuring and comparatively accurately obtain its coefficient of heat conductivity that corresponds.
Description
Technical Field
The utility model relates to a material detection area, in particular to building environmental protection material coefficient of heat conductivity detection device.
Background
The heat conductivity coefficient is an important parameter for measuring the heat conductivity and heat insulation performance of the heat insulating material and the heat insulation material, and is a key index for measuring and identifying the heat dissipation and heat insulation capability of the material, the heat insulating material and the heat insulation material are applied to various industries, such as building, metallurgy, military industry, aerospace and the like, the performance is determined by the heat conductivity coefficient of the material, and therefore, the accurate measurement of the heat conductivity coefficient serving as an important parameter for measuring the performance of the heat insulating material and the heat insulation material has important practical significance for modern production.
In the prior art, use the biplate method to carry out the coefficient of heat conductivity and detect usually, its test principle is at first to set up heating panel and cold drawing, and put into the test piece model in the clearance of cold drawing and hot drawing, during the experiment, impel the cold drawing to the heating panel and press from both sides the test piece model tightly, later heat the heating panel, the heat and then give the test piece model and spread into the cold drawing, the temperature of heating panel and cold drawing all can set for the regulation and control, along with the lapse of time, the temperature of heating panel and cold drawing no longer changes, for one-dimensional heat conduction state, can obtain the coefficient of heat conductivity of test piece model.
This method generally requires that the powdered material be loaded into a sample plate before the testing operation is performed. However, in the detection process, the powdered material is usually difficult to compact when being loaded into the sample plate of the test piece, and the measured thermal conductivity is usually greatly influenced due to the different compactness of the powdered material in the sample plate of the test piece.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a building environmental protection material coefficient of heat conductivity detection device, thereby it can compress tightly powdered material that awaits measuring and comparatively accurately obtains its coefficient of heat conductivity that corresponds.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides a building environmental protection material coefficient of heat conductivity detection device, includes the measuring box and installs the test piece model in the measuring box, the test piece model includes the holding casing and compresses tightly the push pedal, the holding casing includes fixed square plate of fixed mounting on cold plate and sets up and fix all around and in four connection curb plates of measuring box inner wall in fixed square plate, compress tightly the push pedal and set up relatively with fixed square plate and mutually support with the holding casing and form the holding chamber, the holding intracavity is provided with the elastic component that is used for connecting fixed square plate and test piece model.
Through adopting above-mentioned technical scheme, after the powdered material that awaits measuring was packed into the holding chamber, the hot plate extrudees towards the cold drawing, compresses tightly the push pedal and removes towards fixed square plate under the crowded of hot plate to with the powdered material compaction that awaits measuring of holding intracavity portion, thereby avoid the material that awaits measuring to cause great error to measuring result under the circumstances of compaction not.
Further setting: the test piece sample plate measuring device is characterized by further comprising a cold plate fixedly mounted on the inner side wall of the measuring box and a hot plate arranged opposite to the cold plate, wherein the hot plate is connected with the inner side wall of the measuring box in a sliding mode in the direction towards the test piece sample plate, a hydraulic cylinder is arranged on the side wall of the measuring box, and a piston rod of the hydraulic cylinder is fixedly connected with the hot plate.
Through adopting above-mentioned technical scheme, when experimental, the pneumatic cylinder impels the test piece model with the hot plate to the cold drawing tight, later heats the hot plate, and the heat and then transmits the test piece model and spread into cold board, and the temperature of hot plate and cold board all can set for the regulation and control, and along with the lapse of time, the temperature of hot plate and cold board no longer changes, for one-dimensional heat conduction state, can reachs the coefficient of heat conductivity of test piece model.
Further setting: the hot plate comprises a sliding part and an extrusion part arranged on the sliding part, the shape of the extrusion part is matched with that of the compression push plate, and the sliding part is abutted against the inner side wall of the measuring box and is in sliding connection with the inner side wall of the measuring box.
Through adopting above-mentioned technical scheme, the extrusion portion can be crowded to fixed square plate with compressing tightly the push pedal, and does not receive the space of connecting the curb plate to interfere.
Further setting: and a feeding through hole communicated with the accommodating cavity is arranged at the top of the measuring box in a penetrating manner.
Further setting: the weighing device comprises a weighing meter arranged on the machine table and a measuring cup arranged on the weighing meter.
By adopting the technical scheme, the weight and the volume of feeding can be conveniently controlled, when the situation that the added sample powder to be tested in the sample plate of the test piece is too little after compression is found, or the thickness of the sample plate of the test piece after compression is too low, the feeding can be carried out in real time in the sample plate of the test piece, so that the thickness of the sample plate of the test piece is improved.
Further setting: still include vibrator, vibrator includes the vibrating motor of fixed mounting in the board bottom.
Through adopting above-mentioned technical scheme, when vibrating motor started, the air gap of the inside powdered material of holding casing will reduce or even disappear because of the vibration to improve the fine and close degree of the inside powdered material of holding casing, improve coefficient of heat conductivity's measurement accuracy.
Further setting: the side wall of the extrusion part facing the connecting side plate is provided with scales, the scales are arranged along the sliding direction of the pressing push plate, and the side wall of the measuring box is provided with a transparent observation window.
Through adopting above-mentioned technical scheme, after compressing tightly the inside powdered material of push pedal extrusion holding casing, can see through the scale of observation window observation extrusion portion directly perceivedly to the thickness of the material that awaits measuring in the test piece model is derived according to the degree of depth that the extrusion portion impressed the test piece model, thereby obtains the coefficient of heat conductivity that this thickness corresponds.
Further setting: the elastic piece is a pressure spring.
Through adopting above-mentioned technical scheme, the pressure spring can make fixed square slab and test piece model keep away from each other, struts the holding chamber in order to make things convenient for the powdery material that the holding is awaited measuring.
To sum up, the utility model discloses following beneficial effect has: the powdery material to be detected can be compressed, so that the corresponding heat conductivity coefficient can be obtained more accurately; the powder material to be tested can be conveniently added into the sample plate of the test piece, and the thickness of the sample plate of the test piece can be observed through the observation window.
Drawings
FIG. 1 is a schematic overall view of a thermal conductivity detection apparatus for a building environment-friendly material according to the present embodiment;
fig. 2 is a partial sectional view of a thermal conductivity detection device for a building environment-friendly material in the present embodiment.
In the figure, the position of the upper end of the main shaft,
1. a machine platform;
2. a measuring box; 21. a cold plate; 22. a sample plate of the test piece; 221. an accommodating case; 2211. fixing the square plate; 2212. connecting the side plates; 2213. calibration; 222. a pressing push plate; 223. an accommodating cavity; 224. an elastic member; 23. a hot plate; 231. a sliding part; 232. a pressing section; 24. a feed through hole; 25. an observation window; 26. a hydraulic cylinder;
3. a weighing device; 31. a weighing meter; 32. a measuring cup;
4. a vibration device; 41. a vibration motor.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
A heat conductivity coefficient detection device for a building environment-friendly material refers to fig. 1 and comprises a machine table 1, a measuring box 2 arranged on the machine table 1, a weighing device 3 used for weighing powdery materials and a vibrating device 4 arranged at the bottom of the machine table 1.
Referring to fig. 2, the measuring box 2 is a hollow square box, and the bottom of the box is fixedly mounted on the machine table 1. A cold plate 21, a sample plate 22 and a hot plate 23 are sequentially arranged in parallel in the measuring box 2. The cold plate 21 is a square plate in this embodiment and is fixedly mounted on the inner side wall of the measuring box 2. The sample plate 22 comprises a containing shell 221 and a pressing push plate 222, the containing shell 221 comprises a fixed square plate 2211 and four connecting side plates 2212, the fixed square plate 2211 is attached to the cold plate 21 and fixedly mounted on the cold plate 21, and the four connecting side plates 2212 are respectively arranged on the periphery of the fixed square plate 2211 and fixedly connected to the inner wall of the measuring box 2. The pressing plate 222 is a square plate and is disposed opposite to the fixed square plate 2211, each side of the pressing plate 222 facing the connecting side plate 2212 abuts against the connecting side plate 2212 and is slidably connected with the connecting side plate 2212, and the pressing plate 222 and the accommodating shell 221 are matched with each other to form the accommodating cavity 223. The top of the measuring box 2 is provided with a feeding through hole 24 communicated with the accommodating cavity 223 in a penetrating manner, so that people can conveniently add powdery material to be measured into the accommodating cavity 223 through the feeding through hole 24.
With continued reference to fig. 2, an elastic member 224 for connecting the fixed square plate 2211 and the sample plate 22 is further disposed in the accommodating cavity 223, and in this embodiment, the elastic member 224 is a compression spring. The pressure spring can make the fixed square plate 2211 and the test piece sample plate 22 be far away from each other, and the containing cavity 223 is opened to conveniently contain the powdery material to be measured. The side wall of the pressing portion 232 facing the connecting side plate 2212 is provided with a scale 2213, the scale 2213 is arranged along the sliding direction of the pressing push plate 222, the side wall of the measuring box 2 is provided with a transparent observation window 25 (refer to fig. 1), after the pressing push plate 222 presses the powder material in the accommodating shell 221, the scale 2213 on the pressing portion 232 can be visually observed through the observation window 25, the thickness of the material to be measured in the test piece template 22 is obtained through the depth of the pressing portion pressing into the test piece template, and the heat conductivity coefficient corresponding to the thickness is obtained.
With continued reference to fig. 2, the hot plate 23 includes a sliding portion 231 and a pressing portion 232 provided on the sliding portion 231, the pressing portion 232 is configured to abut against the pressing push plate 222, and the pressing portion 232 and the opposite side surfaces of the pressing push plate 222 are configured to be matched in shape. The slide portion 231 abuts against the connection side plate 2212, and is slidably connected to the inner wall of the measurement box 2 in the direction toward the sample plate 22. The side wall of the measuring box 2 away from the cold plate 21 is provided with a hydraulic cylinder 26, and a piston rod of the hydraulic cylinder 26 is fixedly connected with the hot plate 23. When experimental, pneumatic cylinder 26 impels the test piece model 22 with hot plate 23 to cold drawing 21 and presss from both sides tightly, later heats hot plate 23, and the heat then transmits for test piece model 22 and spreads into cold drawing 21, and the temperature of hot plate 23 and cold drawing 21 all can set for regulation and control, and along with the lapse of time, the temperature of hot plate 23 and cold drawing 21 no longer changes, for one-dimensional heat conduction state, can reachd the coefficient of heat conductivity of test piece model 22.
Weighing device 3 is including setting up weighing meter 31 and the measuring cup 32 of installing on weighing meter 31 on board 1, and people can conveniently control reinforced weight and volume, and the sample powder that awaits measuring that adds in finding test piece model 22 after the compression is too little, or test piece model 22 is when the thickness after the compression is low excessively, can be in real time reinforced to test piece model 22 inside to improve the thickness of test piece model 22.
Vibrating device 4 includes fixed mounting in the vibrating motor 41 of board 1 bottom, and after adding the powdery material that awaits measuring in to test piece model 22, start vibrating motor 41, when vibrating motor 41 started, the air gap of the inside powdery material of holding chamber 223 will reduce or even disappear because of the vibration to improve the fine and close degree of the inside powdery material of holding chamber 223, improve coefficient of heat conductivity's measurement accuracy.
The above-mentioned embodiments are merely illustrative of the present invention, and are not intended to limit the present invention, and those skilled in the art can make modifications of the present embodiments without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent law within the scope of the present invention.
Claims (8)
1. The utility model provides a building environmental protection material coefficient of heat conductivity detection device, its characterized in that, includes measurement box (2) and installs test piece model (22) in measurement box (2), test piece model (22) are including holding casing (221) and compress tightly push pedal (222), holding casing (221) are including fixed square board (2211) of fixed mounting on cold plate (21) and set up around fixed square board (2211) and fixed in four connection curb plate (2212) of measurement box (2) inner wall, compress tightly push pedal (222) and fixed square board (2211) and set up relatively and mutually support with holding casing (221) and form holding chamber (223), be provided with in holding chamber (223) and be used for connecting elastic component (224) of fixed square board (2211) and test piece model (22).
2. The building environment-friendly material thermal conductivity detection device according to claim 1, further comprising a cold plate (21) fixedly mounted on the inner side wall of the measurement box (2), and a hot plate (23) arranged opposite to the cold plate (21), wherein the hot plate (23) is slidably connected with the inner side wall of the measurement box (2) in the direction towards the sample plate (22), a hydraulic cylinder (26) is arranged on the side wall of the measurement box (2), and a piston rod of the hydraulic cylinder (26) is fixedly connected with the hot plate (23).
3. The device for detecting the thermal conductivity of the building environment-friendly material as claimed in claim 2, wherein the hot plate (23) comprises a sliding portion (231) and an extrusion portion (232) arranged on the sliding portion (231), the shape of the extrusion portion (232) is matched with the shape of the pressing push plate (222), and the sliding portion (231) abuts against the inner side wall of the measuring box (2) and is connected with the inner side wall of the measuring box (2) in a sliding manner.
4. The building environment-friendly material thermal conductivity detection device according to claim 1, wherein a feed through hole (24) communicated with the accommodating cavity (223) is formed in the top of the measuring box (2) in a penetrating manner.
5. The building environment-friendly material thermal conductivity coefficient detection device according to claim 1, further comprising a weighing device (3) for weighing the powdery material and a machine table (1) for carrying the measurement box (2), wherein the weighing device (3) comprises a weighing meter (31) arranged on the machine table (1) and a measurement cup (32) arranged on the weighing meter (31).
6. The device for detecting the thermal conductivity of the building environment-friendly material as claimed in claim 5, further comprising a vibration device (4), wherein the vibration device (4) comprises a vibration motor (41) fixedly installed at the bottom of the machine table (1).
7. The device for detecting the thermal conductivity of the building environment-friendly material as claimed in claim 3, wherein a scale (2213) is arranged on the side wall of the pressing portion (232) facing the connecting side plate (2212), the scale (2213) is arranged along the sliding direction of the pressing push plate (222), and a transparent observation window (25) is arranged on the side wall of the measuring box (2).
8. The device for detecting the thermal conductivity of the building environment-friendly material as claimed in claim 1, wherein the elastic member (224) is a compression spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020348991.3U CN211785262U (en) | 2020-03-18 | 2020-03-18 | Building environmental protection material coefficient of heat conductivity detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020348991.3U CN211785262U (en) | 2020-03-18 | 2020-03-18 | Building environmental protection material coefficient of heat conductivity detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211785262U true CN211785262U (en) | 2020-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020348991.3U Expired - Fee Related CN211785262U (en) | 2020-03-18 | 2020-03-18 | Building environmental protection material coefficient of heat conductivity detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211785262U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112033994A (en) * | 2020-11-06 | 2020-12-04 | 南京宏佳金属制品有限公司 | Building curtain wall material heat conductivity coefficient tester |
| CN114814105A (en) * | 2022-04-29 | 2022-07-29 | 中天昊建设管理集团股份有限公司 | Engineering overall process consultation detection acceptance device |
-
2020
- 2020-03-18 CN CN202020348991.3U patent/CN211785262U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112033994A (en) * | 2020-11-06 | 2020-12-04 | 南京宏佳金属制品有限公司 | Building curtain wall material heat conductivity coefficient tester |
| CN112033994B (en) * | 2020-11-06 | 2021-04-06 | 湖北省建筑材料节能检测中心有限公司 | Building curtain wall material heat conductivity coefficient tester |
| CN114814105A (en) * | 2022-04-29 | 2022-07-29 | 中天昊建设管理集团股份有限公司 | Engineering overall process consultation detection acceptance device |
| CN114814105B (en) * | 2022-04-29 | 2023-08-15 | 中天昊建设管理集团股份有限公司 | Inspection and acceptance device for consultation detection of whole engineering process |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201027 |
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| CF01 | Termination of patent right due to non-payment of annual fee |