CN111351817A - Building wall heat insulation effect detection assembly - Google Patents
Building wall heat insulation effect detection assembly Download PDFInfo
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- CN111351817A CN111351817A CN202010320001.XA CN202010320001A CN111351817A CN 111351817 A CN111351817 A CN 111351817A CN 202010320001 A CN202010320001 A CN 202010320001A CN 111351817 A CN111351817 A CN 111351817A
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Abstract
The invention discloses a building wall heat insulation effect detection assembly, and relates to the technical field of wall heat insulation effect detection. The first temperature sensor, the second temperature sensor and the third temperature sensor are respectively used for acquiring the temperature in a room to be measured, the temperature outside the room to be measured and the temperature of an acquisition point in real time; the data correction unit is used for performing temperature correction according to the temperature acquired each time; and the detection and analysis unit performs data analysis to obtain the performance penetration value of the thermal insulation wall to be detected. According to the invention, the temperature correction step is carried out through the data correction unit, so that the influence of the external temperature is reduced, and the detection accuracy is improved; and marking the time spent by the performance penetration point of the acquisition point as a performance penetration value, removing data to obtain a new performance penetration value data set, wherein the performance penetration value E of the thermal insulation wall body to be detected is the average value of the new performance penetration value data set, and reducing the influence on detection caused by operation and time factors.
Description
Technical Field
The invention belongs to the technical field of wall heat insulation and preservation effect detection, and particularly relates to a building wall heat insulation and preservation effect detection assembly.
Background
At present, the influence of building energy consumption waste is the most serious in energy consumption loss in China, so that the detection work of the building heat-insulating material is well done, the performance index of the heat-insulating material can be truly provided, the energy-saving heat-insulating quality of the building is ensured, and the overall quality of the building is improved.
Thermal insulation is generally a heat transfer process from outdoor to indoor and from indoor to outdoor, taking into account the fluctuating heat transfer over a 24 hour period. The detection of the heat insulation performance of the existing wall body is very complex, detection is needed on two sides of the wall, and the influence of external temperature is easily received due to the heat transfer process, so that the heat insulation detection is inaccurate.
The utility model provides a building wall heat insulation effect determine module, solves above-mentioned problem.
Disclosure of Invention
The invention aims to provide a building wall heat insulation effect detection assembly, which is characterized in that a temperature correction step is carried out on corresponding temperature Qji according to temperature Wi and temperature Pi obtained each time through the arrangement of a first temperature sensor, a second temperature sensor, a third temperature sensor, a data correction unit and a monitoring analysis unit, so that the influence of the outside temperature is reduced, and the detection accuracy is improved.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a building wall heat insulation and preservation effect detection assembly, which comprises a heat insulation and preservation wall to be detected, wherein the heat insulation and preservation wall to be detected is one wall in a room to be detected, which is selected from a building to be detected, and one side of the heat insulation and preservation wall to be detected is set as a processing side and the other side is set as a collecting side; the collecting side of the thermal insulation wall body to be detected is provided with m collecting points, wherein m is a positive integer greater than or equal to 10; the temperature adjusting device is arranged on the processing side of the thermal insulation wall body to be detected and used for heating/cooling the processing side of the thermal insulation wall body to be detected, and the temperature adjusting device is in communication connection with a controller; the first temperature sensor is arranged in the room to be measured and is used for acquiring the temperature W in the room to be measured in real time; the second temperature sensor is arranged outside the room to be measured and is used for acquiring the temperature P outside the room to be measured in real time; the third temperature sensor is arranged on the acquisition side of the thermal insulation wall body to be detected and is used for respectively acquiring the temperatures Q of m acquisition points on the acquisition side of the thermal insulation wall body to be detected; the detection and analysis unit is used for acquiring temperature W, temperature P and temperature Q from the first temperature sensor, the second temperature sensor and the third temperature sensor at intervals of time T, sequentially marking the temperature W acquired each time as Wi, the temperature P acquired each time as Pi and sequentially marking the temperature Q corresponding to each acquisition point acquired each time as Qji, wherein i is a positive integer, i is 1, 2, 3, …, n, and j is 1, 2, 3, … and m; the data correction unit is used for carrying out temperature correction on the corresponding temperature Qji according to the temperature Wi and the temperature Pi obtained each time, and obtaining a corrected temperature Xji corresponding to each acquisition point; the detection and analysis unit performs an initial performance penetration analysis step on the correction temperature Xji corresponding to each acquisition point acquired each time to acquire a performance penetration value Ej corresponding to each acquisition point, and performs a total performance penetration analysis step according to the performance penetration value Ej corresponding to each acquisition point to acquire a performance penetration value E of the thermal insulation wall to be detected; the detection and analysis unit is also used for transmitting the analysis results of the initial performance penetration analysis step and the total performance penetration analysis step to the controller; the controller is used for transmitting the analysis results of the initial performance penetration analysis step and the total performance penetration analysis step to the chart generation unit to generate a penetration analysis chart.
Further, the method for acquiring the corrected temperature Xji corresponding to each collection point by the data correction unit performing the temperature correction step includes:
s001: the data correction unit calculates the difference between the temperature Wi and the temperature Pi acquired at intervals of time T to acquire the temperature difference Ci, wherein Ci is | Wi-Pi |;
s002: when Ci is not less than t1, the corrected temperature corresponding to each collection point temperature Qji is Xji, and Xji is Qji (Wi/Pi);
when Ci is less than t1, the correction temperature corresponding to each collection point temperature Qji is Xji, Xji is Qji, wherein t1 is a preset value.
Further, the detection and analysis unit performs an initial performance penetration analysis step on the corrected temperature Xji corresponding to each acquired collection point each time, and the method for acquiring the performance penetration value Ej corresponding to each acquisition point includes:
s01: the detection and analysis unit acquires the corrected temperature Xji corresponding to any acquisition point j once every time T, calculates the stable value Rji corresponding to the acquisition point j once every time T from i ≧ 2,
wherein the content of the first and second substances,
s02: when the | Rji-Rj2| ≧ A1, marking a time point corresponding to Rji as a performance penetration point, wherein A1 is a preset value;
s03: the time taken for acquisition point j to occur a performance breakthrough is labeled as the performance breakthrough value Ej, (i-1) × T.
Further, the method for obtaining the performance penetration value E of the thermal insulation wall to be tested by the detection and analysis unit performing the total performance penetration analysis step includes:
s1: acquiring a performance penetration value Ej corresponding to each acquisition point of the heat insulation wall body to be detected, and sequentially arranging the Ej from large to small to obtain a performance penetration value data set;
s2: and (3) eliminating data to obtain a new performance penetration value data set, specifically:
when Ej ismax-EjminWhen the value is not less than A2, the new performance penetration value data set is to eliminate Ej from the performance penetration value data setmaxThe latter data set; wherein A2 is a preset value；
Otherwise, not eliminating, the new performance penetration value data set is the same as the performance penetration value data set;
s3: and the performance penetration value E of the heat insulation wall body to be detected is the average value of the new performance penetration value data set.
Further, the graph generating unit generates a penetration analysis graph which comprises a performance penetration value Ej dispersion graph of all collection points of the thermal insulation wall to be tested, and the penetration analysis graph is displayed through the display unit.
Further, the device also comprises a parameter setting unit used for setting the preset values T, A1, A2 and t1, and the parameter setting unit is in communication connection with the controller.
Further, the device comprises a storage unit which is in communication connection with the controller and is used for storing the analysis results of the temperature Wi, the temperature Pi, the temperature Qji, the corrected temperature Xji, the initial performance penetration analysis step and the total performance penetration analysis step.
The invention has the following beneficial effects:
according to the invention, through the arrangement of the first temperature sensor, the second temperature sensor, the third temperature sensor, the data correction unit and the monitoring analysis unit, the temperature correction step is carried out on the corresponding temperature Qji according to the temperature Wi and the temperature Pi obtained each time, so that the influence of the external temperature is reduced, and the detection accuracy is improved;
and marking the time spent by the collection point j when the performance penetration point appears as a performance penetration value Ej, removing data to obtain a new performance penetration value data set, wherein the performance penetration value E of the thermal insulation wall body to be detected is the average value of the new performance penetration value data set, and the influence on detection caused by operation and time factors is reduced.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a heat insulation effect detection assembly of a building wall;
FIG. 2 is a schematic diagram of an embodiment of the present invention.
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.
In the description of the present invention, it is to be understood that the terms "one side," "upper," "lower," "side," "inner," "middle," and the like are used for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the present invention.
Referring to fig. 1-2, the present invention is a component for detecting thermal insulation effect of a building wall, including a thermal insulation wall to be detected, wherein the thermal insulation wall to be detected is one wall of a room to be detected selected from a building to be detected, and one side of the thermal insulation wall to be detected is set as a processing side, and the other side is set as a collecting side, so as to detect indoor-outdoor/outdoor-indoor thermal insulation effect; as shown in fig. 2, 20 collection points are arranged on the collection side of the thermal insulation wall to be measured (only 4 collection points in a single row are shown in the figure, it can be understood that 20 collection points are uniformly distributed on the thermal insulation wall to be measured in a 4X5 square matrix), and the specific number can be determined according to the area of the thermal insulation wall to be measured; the temperature adjusting device is arranged on the processing side of the thermal insulation wall body to be detected and used for heating/cooling the processing side of the thermal insulation wall body to be detected, and the temperature adjusting device is in communication connection with a controller; the first temperature sensor is arranged in the room to be measured and is used for acquiring the temperature W in the room to be measured in real time; the second temperature sensor is arranged outside the room to be measured and is used for acquiring the temperature P outside the room to be measured in real time; the third temperature sensor is arranged on the acquisition side of the thermal insulation wall body to be detected and is used for respectively acquiring the temperatures Q of 20 acquisition points on the acquisition side of the thermal insulation wall body to be detected; in consideration of equipment cost, the temperature Q of each acquisition point can be acquired by one third temperature sensor in sequence, or the temperature Q of each acquisition point can be acquired by a plurality of third temperature sensors directly at the same time, and the detection and analysis unit is used for acquiring the temperature W, the temperature P and the temperature Q from the first temperature sensor, the second temperature sensor and the third temperature sensor at intervals of time T, sequentially marking the acquired temperature W as Wi, the acquired temperature P as Pi and the temperature Q corresponding to each acquisition point as Qji, wherein i is a positive integer, i is 1, 2, 3, …, n, j is 1, 2, 3, … and 20; the data correction unit is used for carrying out temperature correction on the corresponding temperature Qji according to the temperature Wi and the temperature Pi acquired each time, and acquiring a corrected temperature Xji corresponding to each acquisition point; the detection and analysis unit performs an initial performance penetration analysis step on the correction temperature Xji corresponding to each acquisition point acquired each time to acquire a performance penetration value Ej corresponding to each acquisition point, and performs a total performance penetration analysis step according to the performance penetration value Ej corresponding to each acquisition point to acquire a performance penetration value E of the thermal insulation wall to be detected; the detection and analysis unit is also used for transmitting the analysis results of the initial performance penetration analysis step and the total performance penetration analysis step to the controller; the controller is used for transmitting the analysis results of the initial performance penetration analysis step and the total performance penetration analysis step to the chart generation unit to generate a penetration analysis chart.
The method for acquiring the corrected temperature Xji corresponding to each acquisition point by the data correction unit in the temperature correction step comprises the following steps:
s001: the data correction unit calculates the difference between the temperature Wi and the temperature Pi acquired at intervals of time T to acquire the temperature difference Ci, wherein Ci is | Wi-Pi |;
s002: when Ci is not less than t1, the corrected temperature corresponding to each collection point temperature Qji is Xji, and Xji is Qji (Wi/Pi);
when Ci is less than t1, the correction temperature corresponding to each collection point temperature Qji is Xji, Xji is Qji, t1 is a preset value, temperature correction is carried out on each collection point temperature Qji, and the influence of outdoor environment temperature change on detection is reduced.
The detection and analysis unit performs an initial performance penetration analysis step on the corrected temperature Xji corresponding to each acquired collection point each time, and the method for acquiring the performance penetration value Ej corresponding to each acquisition point comprises the following steps:
s01: the detection and analysis unit acquires the corrected temperature Xji corresponding to any collection point j once every time T, calculates the stable value Rji corresponding to the collection point j once every time T from i ≧ 2,
wherein the content of the first and second substances,
s02: when the | Rji-Rj2| ≧ A1, marking a time point corresponding to Rji as a performance penetration point, wherein A1 is a preset value;
s03: the time taken for acquisition point j to occur a performance breakthrough is labeled as the performance breakthrough value Ej, (i-1) × T.
The method for acquiring the performance penetration value E of the thermal insulation wall to be detected by the detection and analysis unit in the step of total performance penetration analysis comprises the following steps:
s1: acquiring a performance penetration value Ej corresponding to each acquisition point of the heat insulation wall body to be detected, and sequentially arranging the Ej from large to small to obtain a performance penetration value data set;
s2: and (3) eliminating data to obtain a new performance penetration value data set, specifically:
when Ej ismax-EjminWhen the value is not less than A2, the new performance penetration value data set is to eliminate Ej from the performance penetration value data setmaxThe latter data set; whereinA2 is a preset value;
otherwise, not eliminating, the new performance penetration value data set is the same as the performance penetration value data set;
s3: and the performance penetration value E of the thermal insulation wall body to be detected is the average value of the new performance penetration value data set, and the thermal insulation effect of the thermal insulation wall body to be detected is reflected by the performance penetration value E.
The graph generating unit generates a penetration analysis graph which comprises a performance penetration value Ej dispersion graph of all collection points of the thermal insulation wall to be tested, and the penetration analysis graph is displayed through the display unit.
The system further comprises a parameter setting unit, wherein the parameter setting unit is used for setting preset values T, A1, A2 and t1 and is in communication connection with the controller; and the storage unit is in communication connection with the controller and is used for storing the analysis results of the temperature Wi, the temperature Pi, the temperature Qji, the corrected temperature Xji, the initial performance penetration analysis step and the total performance penetration analysis step.
When the heat insulation and preservation effect detection assembly for the building wall is used, a temperature correction step is carried out on the corresponding temperature Qji according to the temperature Wi and the temperature Pi obtained each time through the arrangement of the first temperature sensor, the second temperature sensor, the third temperature sensor, the data correction unit and the monitoring analysis unit, so that the influence of the outside temperature is reduced, and the detection accuracy is improved; and marking the time spent by the collection point j when the performance penetration point appears as a performance penetration value Ej, removing data to obtain a new performance penetration value data set, wherein the performance penetration value E of the thermal insulation wall body to be detected is the average value of the new performance penetration value data set, and the influence on detection caused by operation and time factors is reduced.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. Building wall heat insulation effect determine module, its characterized in that includes:
the method comprises the following steps that a to-be-detected heat insulation wall is a wall in a to-be-detected room optional in a to-be-detected building, one side of the to-be-detected heat insulation wall is set as a processing side, and the other side of the to-be-detected heat insulation wall is set as a collecting side; the collecting side of the thermal insulation wall body to be detected is provided with m collecting points, wherein m is a positive integer greater than or equal to 10;
the temperature adjusting device is arranged on the processing side of the thermal insulation wall body to be detected and used for heating/cooling the processing side of the thermal insulation wall body to be detected, and the temperature adjusting device is in communication connection with a controller;
the first temperature sensor is arranged in the room to be measured and is used for acquiring the temperature W in the room to be measured in real time;
the second temperature sensor is arranged outside the room to be measured and is used for acquiring the temperature P outside the room to be measured in real time;
the third temperature sensor is arranged on the acquisition side of the thermal insulation wall body to be detected and is used for respectively acquiring the temperatures Q of m acquisition points on the acquisition side of the thermal insulation wall body to be detected;
the detection and analysis unit is used for acquiring temperature W, temperature P and temperature Q from the first temperature sensor, the second temperature sensor and the third temperature sensor at intervals of time T, sequentially marking the temperature W acquired each time as Wi, the temperature P acquired each time as Pi and sequentially marking the temperature Q corresponding to each acquisition point acquired each time as Qji, wherein i is a positive integer, i is 1, 2, 3, …, n, and j is 1, 2, 3, … and m;
the data correction unit is used for carrying out temperature correction on the corresponding temperature Qji according to the temperature Wi and the temperature Pi obtained each time, and obtaining a corrected temperature Xji corresponding to each acquisition point;
the detection and analysis unit performs an initial performance penetration analysis step on the correction temperature Xji corresponding to each acquisition point acquired each time to acquire a performance penetration value Ej corresponding to each acquisition point, and performs a total performance penetration analysis step according to the performance penetration value Ej corresponding to each acquisition point to acquire a performance penetration value E of the thermal insulation wall to be detected; the detection and analysis unit is also used for transmitting the analysis results of the initial performance penetration analysis step and the total performance penetration analysis step to the controller;
the controller is used for transmitting the analysis results of the initial performance penetration analysis step and the total performance penetration analysis step to the chart generation unit to generate a penetration analysis chart.
2. The building wall heat insulation and preservation effect detection assembly according to claim 1, wherein the data correction unit performs the temperature correction step to obtain the corrected temperature Xji corresponding to each collection point by:
s001: the data correction unit calculates the difference between the temperature Wi and the temperature Pi acquired at intervals of time T to acquire the temperature difference Ci, wherein Ci is | Wi-Pi |;
s002: when Ci is not less than t1, the corrected temperature corresponding to each collection point temperature Qji is Xji, and Xji is Qji (Wi/Pi);
when Ci is less than t1, the correction temperature corresponding to each collection point temperature Qji is Xji, Xji is Qji, wherein t1 is a preset value.
3. The building wall heat insulation and preservation effect detection assembly according to claim 1, wherein the detection and analysis unit performs an initial performance penetration analysis step on the corrected temperature Xji corresponding to each acquired collection point each time, and the method for acquiring the performance penetration value Ej corresponding to each acquired collection point comprises the following steps:
s01: the detection and analysis unit acquires the corrected temperature Xji corresponding to any acquisition point j once every time T, calculates the stable value Rji corresponding to the acquisition point j once every time T from i ≧ 2,
wherein the content of the first and second substances,
s02: when the | Rji-Rj2| ≧ A1, marking a time point corresponding to Rji as a performance penetration point, wherein A1 is a preset value;
s03: the time taken for acquisition point j to occur a performance breakthrough is labeled as the performance breakthrough value Ej, (i-1) × T.
4. The building wall heat insulation and preservation effect detection assembly according to claim 1, wherein the method for obtaining the performance penetration value E of the heat insulation and preservation wall to be detected by the detection and analysis unit through the total performance penetration analysis step comprises the following steps:
s1: acquiring a performance penetration value Ej corresponding to each acquisition point of the heat insulation wall body to be detected, and sequentially arranging the Ej from large to small to obtain a performance penetration value data set;
s2: and (3) eliminating data to obtain a new performance penetration value data set, specifically:
when Ej ismax-EjminWhen the value is not less than A2, the new performance penetration value data set is to eliminate Ej from the performance penetration value data setmaxThe latter data set; wherein A2 is a preset value;
otherwise, not eliminating, the new performance penetration value data set is the same as the performance penetration value data set;
s3: and the performance penetration value E of the heat insulation wall body to be detected is the average value of the new performance penetration value data set.
5. The building wall heat insulation effect detection assembly according to claim 1, wherein the graph generation unit generates a penetration analysis graph including a dispersion graph of performance penetration values Ej of all collection points of the heat insulation wall to be detected, and the penetration analysis graph is displayed through the display unit.
6. The building wall heat insulation and preservation effect detection assembly according to claim 1, further comprising a parameter setting unit for setting the preset values T, A1, A2 and t1, wherein the parameter setting unit is in communication connection with the controller.
7. The building wall insulation effect detection assembly according to claim 1, further comprising a storage unit communicatively connected to the controller for storing the analysis results of the temperature Wi, the temperature Pi, the temperature Qji, the corrected temperature Xji, the initial performance penetration analysis step, and the total performance penetration analysis step.
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| CN113252724A (en) * | 2021-05-21 | 2021-08-13 | 山东中坚工程质量检测有限公司 | Method for detecting heat preservation performance of external wall |
| CN116026884A (en) * | 2023-03-29 | 2023-04-28 | 山东美生热能科技有限公司 | High-temperature high-pressure integral testing system for heat-insulating oil casing based on data analysis |
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