CN111157570B - Method, system and device for testing thermal inertia of house - Google Patents
Method, system and device for testing thermal inertia of house Download PDFInfo
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Abstract
The application discloses a method, a system and a device for testing house thermal inertia. The method comprises the steps of obtaining testing conditions of a house, wherein the testing conditions comprise: different heating interruption time periods and different house heat insulation materials; monitoring temperature data of the house in different heating interruption time periods and/or using different house heat insulation materials through temperature detection equipment; and acquiring the thermal inertia of the house based on the temperature data monitored by the temperature detection equipment, wherein the thermal inertia of the house is used for representing the relation between the heating interruption time period and the house thermal insulation material and the house temperature decay time. Through the application, the technical problem that in the prior art, when the process that the heating of the electric heating equipment is stopped under the power failure condition is simulated and tested through the testing equipment, the testing result is inaccurate due to the fact that the different electric heating equipment acquisition communication modules are mutually independent and the related data are difficult to acquire is solved.
Description
Technical Field
The application relates to the technical field of temperature measurement, in particular to a method, a system and a device for testing house thermal inertia.
Background
In recent years, the air pollution problem continuously exists in China, particularly in the heating season, long-time and high-peak haze heavy pollution weather continuously occurs, the air pollution problem represented by haze seriously influences the air quality, and high attention in the world is brought to the world. From the composition of atmospheric pollutants, haze is formed by coal-fired dust, automobile exhaust, fugitive dust and industrial waste gas, wherein coal dust is the most major cause of haze pollution, specifically, 50% -60% of PM2.5 is derived from coal combustion.
In order to adapt to the national energy development strategy, in order to adjust the energy structure and popularize the production and use of clean energy; the proportion of coal in primary energy is gradually reduced, the emission of atmospheric pollutants in the production, use and conversion processes of the coal is reduced, in recent years, the work of changing coal into electricity is vigorously carried out, and some defects exist in the process of promoting the work of changing coal into electricity.
Specifically, for remote areas such as mountainous areas, due to low power supply reliability, in case of power supply problems in heating seasons, it is difficult to quickly perform emergency repair work, so that it is necessary to realize that a client changes from coal to electricity has power failure without stopping heating, and in the implementation process, the heating condition of each electric heater in the power failure process needs to be tested first. Some testing methods appear in the related art, but certain standards and basis lack exist, so that a testing scheme is not feasible, or the basis for balancing or comparing the working condition selection and the testing result analysis is lacked. In addition, the test method in the related art cannot acquire the operation data of the electric heating equipment. Because the electric heating equipment acquisition communication modules of different manufacturers are mutually independent and the communication protocols are inconsistent, the existing testing technology cannot acquire related data, and therefore, the prior art cannot provide functions such as remote monitoring and the like for the electric heating equipment.
Aiming at the technical problem that when the heating stop process of the electric heating equipment under the power failure condition is simulated and tested through the testing equipment in the related technology, the testing result is inaccurate due to the fact that different electric heating equipment acquisition communication modules are mutually independent and related data are difficult to obtain, an effective solution is not provided at present.
Disclosure of Invention
The application provides a method, a system and a device for testing thermal inertia of a house, which are used for solving the technical problem that in the prior art, when the process of heating stop of electric heating equipment under the condition of power failure is simulated and tested through testing equipment, because different electric heating equipment acquisition communication modules are mutually independent, related data is difficult to obtain, and the test result is inaccurate.
According to one aspect of the application, a method for testing thermal inertia of a house is provided. The method comprises the following steps of arranging heat insulation materials in an experimental house, and arranging electric heating equipment, equipment for simulating indoor and outdoor environments, heat dissipation equipment and temperature detection equipment, wherein the method comprises the following steps: acquiring test conditions of a house, wherein the test conditions comprise: different heating interruption time periods and different house heat insulation materials; monitoring temperature data of the house in different heating interruption time periods and/or using different house heat insulation materials through temperature detection equipment; and acquiring the thermal inertia of the house based on the temperature data monitored by the temperature detection equipment, wherein the thermal inertia of the house is used for representing the relation between the heating interruption time period and the house thermal insulation material and the house temperature decay time.
Optionally, the temperature detection device comprises: a plurality of thermocouples and a humidity sensor, the thermocouples comprising at least one of: the system comprises a lifting sensor, a wall sensor, a ground sensor and a ceiling sensor, wherein the lifting sensor is arranged into temperature monitoring points at intervals in different directions.
Optionally, the at least one electrical heating device is switched off at different predetermined periods of time to simulate different heating interruption periods, wherein the heating interruption periods comprise: an extreme cold time node, an extreme warm time node, and a normal time node.
Optionally, the heat dissipating device comprises at least one of: ground heating, fan coil and radiator.
Optionally, the building thermal inertia has an associated relationship with a building shape coefficient S value of the building and a thermal inertia index D value of the building wall enclosure.
Optionally, the building form factor S is a ratio of an external surface area of the building in contact with outdoor air to a building volume, wherein the building heat loss is proportional to the building form factor S.
Optionally, the value D of the thermal inertia index is used for representing a comparison relationship between heat storage and heat conduction of the building outer wall, and is a dimensionless index representing the degree of attenuation of the building envelope to the periodic temperature wave in the building outer wall.
Optionally, in a case where the house thermal inertia of the different house is obtained, the house thermal inertia of the different house is transmitted to the analysis server, wherein the analysis server compares the temperature decay time of the different house based on the house thermal inertia of the different house.
Alternatively, if the geographical locations of the different houses are different, the analysis server determines a coping scheme of the house thermal insulation material and the heating interruption period of the houses in the different geographical locations based on the temperature decay time of the houses in the different geographical locations.
According to another aspect of the present application, a system for testing thermal inertia of a building is provided. The system comprises: the method comprises the following steps that a heat insulation material used for determining testing conditions of a house and a heating interruption controller used for obtaining different heating interruption time periods are arranged in an experimental house, and electric heating equipment, equipment used for simulating indoor and outdoor environments, heat dissipation equipment and temperature detection equipment are arranged in the house, wherein the temperature detection equipment monitors the temperature data of the house in the different heating interruption time periods and/or different house heat insulation materials; the processor of the test system acquires the thermal inertia of the house based on the temperature data monitored by the temperature detection equipment, wherein the thermal inertia of the house is used for representing the relation between the heating interruption time period and the house thermal insulation material and the house temperature decay time.
According to another aspect of the present application, a testing apparatus for thermal inertia of a building is provided. The device includes: the acquisition module is used for acquiring the test conditions of the house, and the test conditions comprise: different heating interruption time periods and different house heat insulation materials; the system comprises a detection module, a data processing module and a data processing module, wherein the detection module is used for monitoring temperature data of the house in different heating interruption time periods and/or different house heat insulation materials; and the processor is used for acquiring the house thermal inertia based on the monitored temperature data, wherein the house thermal inertia is used for representing the relation between the heating interruption time period and the house thermal insulation material and the house temperature decay time.
In order to achieve the above object, according to another aspect of the present application, there is provided a storage medium including a stored program, wherein the program performs any one of the above-described methods of testing thermal inertia of a house.
In order to achieve the above object, according to another aspect of the present application, there is provided a processor for executing a program, wherein the program executes any one of the above methods for testing the thermal inertia of a house.
By the application, the following steps are adopted: by acquiring the test conditions of the house, the test conditions comprise: different heating interruption time periods and different house heat insulation materials; monitoring temperature data of the house in different heating interruption time periods and/or using different house heat insulation materials through temperature detection equipment; the method comprises the steps of acquiring house thermal inertia based on temperature data monitored by temperature detection equipment, wherein the house thermal inertia is used for representing the relation between a heating interruption time period and house heat insulation materials and house temperature decay time, and solving the technical problem that in the related technology, when the process of stopping heating of electric heating equipment under the condition of power failure is simulated and tested through test equipment, the test result is inaccurate due to the fact that different electric heating equipment acquisition communication modules are mutually independent and related data are difficult to acquire. And then the effect of acquiring related data of different heating equipment, and accurately simulating and testing the process of stopping heating of the electric heating equipment under the condition of power failure is achieved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application. In the drawings:
FIG. 1 is a flow chart of a method for testing thermal inertia of a house provided according to an embodiment of the present application;
FIG. 2 is a front view of a laboratory house in a method for testing thermal inertia of a house provided according to an embodiment of the present application;
FIG. 3 is a front view of a laboratory house in a method for testing thermal inertia of a house provided according to an embodiment of the present application; and
fig. 4 is a schematic diagram of a testing device for thermal inertia of a house provided according to an embodiment of the application.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all 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 application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Moreover, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
According to an embodiment of the application, a method for testing thermal inertia of a house is provided.
Fig. 1 is a flowchart of a method for testing thermal inertia of a house according to an embodiment of the present application. The method comprises the steps that a heat insulation material is arranged in an experimental house, and electric heating equipment, equipment for simulating indoor and outdoor environments, heat dissipation equipment and temperature detection equipment are arranged;
it should be noted that the test in this embodiment is performed in a laboratory house, as shown in fig. 2 and fig. 3, the laboratory uses an internal environment laboratory as an experimental object to simulate a typical house in a northern mountain area, and explores the thermal inertia of the house.
The inner environmental laboratory area 80m2, specifically, 12m long by 6.7m wide by 4m high, is a two-room-one-hall structure. The wall of the laboratory adopts a design scheme combining gypsum boards, wood boards and flame-retardant materials, the heat conductivity coefficient of the wall surface is 2.62W/m.K, and is similar to that of a typical brick structure house, namely, the heat conductivity coefficient of the traditional 24 walls is 2.5W/m.K, so that the true and effective simulation experiment is guaranteed. The aluminum alloy frame on the outer wall surface of the wall body is a grid, and different types of heat insulation materials can be embedded in the grid. The temperature detection equipment arranged in the internal environment laboratory can comprise a thermocouple, can monitor the temperature field in a room in real time, and is also provided with a mobile temperature and humidity sensor. The east side of the house is an equipment room, and the three rooms are all provided with radiating terminal forms.
The experimental environment is an external environment laboratory, the climate conditions of most regions in north and even China can be comprehensively simulated, the temperature can be controlled within the range of minus 40 ℃ to 50 ℃, the stability is controlled to be +/-1 ℃, the indoor temperature difference is required to be not more than 2.0 ℃, the average cooling rate is 20 ℃/h, and the weather conditions such as solar radiation, rain, snow, wind, fog and the like can be simulated. 213 spray heads are arranged at the top of the external environment laboratory, so that 0-30mm/h rainfall and 0-5mm/h snowfall can be realized, and the 24-hour rainfall exceeds the level of rainstorm and snowstorm; the sunlight simulation system adopts a mode of combining an infrared lamp and a full-spectrum lamp to radiate an internal environment laboratory, 240 infrared lamps are arranged on a roof, and automatically movable lamp brackets, such as 44 full-spectrum lamps and 22 infrared lamps, are arranged on a south wall to simulate solar radiation conditions.
Dynamic continuous experiment working conditions (including temperature, humidity and illumination intensity) can be set in an environmental laboratory according to 24-hour weather conditions of typical days in Beijing in winter, and test experiments can be carried out.
As shown in fig. 1, the method comprises the steps of:
step S101, obtaining the test conditions of the house, wherein the test conditions comprise: different heating interruption periods and different house heat insulation materials.
In practice, the thermal inertia of the house is affected by the test conditions of different houses, for example, the temperature decay time of the house is inevitably affected by different indoor and outdoor temperature and humidity and illumination conditions corresponding to different heating interruption moments, so that a comparison experiment can be set to analyze the relationship between the heating interruption and the thermal inertia of the house at different moments.
For another example, different house heat insulation materials also affect the heat insulation performance of a house, and further affect the temperature decay time of the house, so that a comparison experiment can be set to analyze the relationship between the different house heat insulation materials and the heat inertia of the house.
Step S102, monitoring temperature data of the house in different heating interruption time periods and/or different house heat insulation materials through temperature detection equipment.
Specifically, in order to explore the influence of different heating interruption moments on thermal inertia, heating is interrupted at different times selected for three times, data of an indoor lifting type temperature sensor is recorded, a curve of indoor temperature changing along with time is drawn, and temperature decay time is obtained.
The first experiment is set to be 3 points in the morning, the node is an extremely cold time node, then the temperature can be continuously reduced, at least 5 hours are left from normal illumination, and the minimum house temperature decay time can be obtained. The second experiment is set at 10 am, which is an extreme warm time node, the temperature at this time is high, and the maximum house temperature decay time can be obtained after normal illumination for 7 hours. The third time is set to be 15 pm, the time is a common time node, the temperature in the time period is higher, but only 2 hours of illumination is needed later, and the moderate house temperature decay time can be obtained.
Simultaneously, for the different influence to thermal inertia of test insulation material, insulation material A, B is adopted in proper order to interior environment laboratory house outer wall, and different moments of day of interior environment laboratory, the first experiment sets up 3 am, and the second experiment sets up 10 am, and the third experiment sets up that 15 am heating is interrupted, the temperature drops to the scene of the cold tolerance temperature of human body and simulates, records the data of indoor three aspect over-and-under type temperature sensor, draws the curve of indoor temperature along with time variation, obtains the temperature decay time.
And S103, acquiring the thermal inertia of the house based on the temperature data monitored by the temperature detection equipment, wherein the thermal inertia of the house is used for representing the relation between the heating interruption time period and the house thermal insulation material and the house temperature decay time.
The house thermal inertia refers to a gradual change characteristic that the house temperature is reduced from a normal heating temperature to an indoor human body cold tolerance temperature in winter after the user heating is interrupted, and is represented by house temperature decay time. The house temperature decay time refers to the time for the house temperature to drop from the normal heating temperature to the indoor human body cold tolerance temperature in winter after the user heating is interrupted. The house thermal inertia can be determined from the measured house temperature decay time.
Optionally, in the method for testing thermal inertia of a house provided in the embodiment of the present application, the temperature detection device includes: a plurality of thermocouples and a humidity sensor, the thermocouples comprising at least one of: the system comprises a lifting sensor, a wall sensor, a ground sensor and a ceiling sensor, wherein the lifting sensor is arranged into temperature monitoring points at intervals in different directions.
Specifically, 375T-type thermocouples can be arranged in an internal environment laboratory, wherein the number of the T-type thermocouples is 108, specifically, temperature measuring points are arranged at intervals of 1m in the horizontal and longitudinal directions, 3 measuring points, 129 wall sensors, 72 ground sensors and 66 suspended ceilings are arranged at intervals of 0.3m, 1.3m and 2.3m from the ground by 1 vertical sensor, a room temperature field is monitored in real time, and 6 mobile temperature and humidity sensors are arranged at the same time, and the internal environment temperature is detected by combining the thermocouples with the humidity sensors.
Optionally, in the method for testing thermal inertia of a house provided in the embodiment of the present application, the electric heating device is turned off at least once in different predetermined time periods to simulate different heating interruption time periods, where the heating interruption time periods include: an extreme cold time node, an extreme warm time node, and a normal time node.
It should be noted that when determining an extreme cold time node, an extreme warm time node and a common time node, according to the provisions of national design for heating, ventilation and air conditioning of civil buildings GB50736-2012, the winter indoor heating temperature of the main rooms of the civil buildings in cold and severe cold areas is designed to be 18-24 ℃, and the indoor highest standard temperature is taken as 24 ℃; meanwhile, the requirement of indoor sanitation in winter in China on temperature is as follows: the indoor temperature in winter in any area is not lower than 13 ℃, and 13 ℃ is the temperature limit for obvious cold feeling of human body, namely the indoor human body cold tolerance temperature in winter is 13 ℃ as the minimum allowable indoor temperature.
Optionally, in the method for testing thermal inertia of a house provided in the embodiment of the present application, the heat dissipation device includes at least one of: ground heating, fan coil and radiator.
Specifically, three heat dissipation terminal forms of a floor heater, a fan coil and a radiator are configured in the experimental house, only one heat dissipation terminal form can be configured, and pipelines between the heat dissipation terminals are mutually independent under the condition of multiple configurations.
Optionally, in the method for testing the thermal inertia of the house provided in the embodiment of the present application, the thermal inertia of the house has an association relationship with the building form factor S value of the house and the thermal inertia index D value of the building wall enclosure.
It should be noted that the building thermal inertia is related to the building shape coefficient S value of the building and the thermal inertia index D value of the building wall enclosure, and since the laboratory does not perform the lateral comparison between the building a thermal inertia and the building B thermal inertia, it is only necessary to describe two boundary conditions, namely the building shape coefficient of the building and the wall enclosure of the building in the laboratory.
Optionally, in the method for testing thermal inertia of a house provided in the embodiment of the present application, the building shape coefficient S is a ratio of an external surface area of the building in contact with outdoor air to a building volume, where the building heat consumption is proportional to the building shape coefficient S.
Specifically, because the heat transfer and consumption amount through the building enclosure is in direct proportion to the heat transfer area, and the heat transfer and consumption amount occupies a larger proportion in the heat consumption amount of the building, the heat consumption amount of the building is inevitably larger for the building with a larger figure coefficient; and vice versa, smaller.
The embodiment of the application provides a method for testing house thermal inertia, sets up insulation material in experimental house, arranges electric heating equipment, is used for simulating indoor outer environment's equipment, radiating equipment, temperature check out test set, acquires the test condition in house, and the test condition includes: different heating interruption time periods and different house heat insulation materials; monitoring temperature data of the house in different heating interruption time periods and/or using different house heat insulation materials through temperature detection equipment; the method comprises the steps of acquiring house thermal inertia based on temperature data monitored by temperature detection equipment, wherein the house thermal inertia is used for representing the relation between a heating interruption time period and house heat insulation materials and house temperature decay time, and solving the technical problem that in the related technology, when the process of stopping heating of electric heating equipment under the condition of power failure is simulated and tested through test equipment, the test result is inaccurate due to the fact that different electric heating equipment acquisition communication modules are mutually independent and related data are difficult to acquire. And then the effect of acquiring related data of different heating equipment, and accurately simulating and testing the process of stopping heating of the electric heating equipment under the condition of power failure is achieved.
It should be noted that the building form factor S is the most important factor affecting the energy consumption of the building, and from the viewpoint of reducing the energy consumption of the building, the form factor should be controlled to a lower level. Generally, the building form factor of northern areas is controlled within 0.3, and the form factor of summer hot and winter cold areas is controlled within 0.35, so that the residential building is required to be not too concave and convex on the plane layout, and the residential building should be complete as far as possible. In the house in the test experiment of this example, the building shape coefficient S was calculated to be 0.77.
Optionally, in the method for testing thermal inertia of a building provided in the embodiment of the present application, the value D of the thermal inertia index is used to represent a comparison relationship between heat storage and heat conduction of an outer wall of the building, and is a dimensionless index representing the degree of attenuation of the enclosure structure to the periodic temperature wave in the enclosure structure.
It should be noted that the thermal inertia refers to a basic relationship between heat storage and heat conduction of the outer wall of the building. The property that the temperature of the surface of a material changes rapidly and slowly when a certain amount of heat is added to the material in a certain time is expressed in cal/cm < 2 >. DEG C. The thermal inertia of the building envelope refers to the resistance of the building envelope to outside temperature fluctuations. The greater the thermal inertia of the building envelope, the less the temperature of the interior surface of the building is affected by the temperature fluctuations of the exterior surface.
Specifically, the value of the thermal inertia index D is a dimensionless index representing the attenuation degree of the enclosure structure to the periodic temperature wave in the enclosure structure, and the single-layer structure D = R.S; multilayer structure D = ∑ r.s. Wherein R is the thermal resistance of the structural layer, and S is the heat storage coefficient of the corresponding material layer. The larger the value D is, the faster the periodic temperature wave is attenuated in the enclosure structure, and the better the thermal stability of the enclosure structure is.
Optionally, in the method for testing the thermal inertia of the house provided in the embodiment of the present application, the thermal inertia of the house of different houses is transmitted to the analysis server under the condition that the thermal inertia of the house of different houses is obtained, where the analysis server compares the temperature decay time of different houses based on the thermal inertia of the house of different houses.
Specifically, the internal environment laboratory is a two-room one-room, all the lifting temperature sensors on three layers of each room are selected in order to study the attenuation of a space temperature field, and it should be noted that the lifting temperature sensors placed in a house are selected instead of wall surface and ground surface temperature sensors because the experiment mainly explores the human body space feeling.
For example, three temperature sensors are arranged at each row at 0.3m, 1.3m and 2.3m from the ground, and the attenuation of the house temperature field after the heating interruption can be analyzed from three layers.
After the experiment is started, the real-time temperature values of the 36 temperature sensors on the same layer are averaged, and the temperature values of the layer are represented and input into the analysis server.
Optionally, in the method for testing thermal inertia of a house provided in the embodiment of the present application, if the geographic locations of different houses are different, the analysis server determines a solution for dealing with the house thermal insulation material and the heating interruption time period of the house in different geographic locations based on the temperature decay time of the house in different geographic locations.
The following is a specific test process of the embodiment of the present application, and firstly, working condition setting is performed: referring to the 24-hour weather conditions of typical winter days (1/2018) in Beijing, an external environment laboratory sets dynamic continuous experimental conditions (temperature, humidity, illumination intensity) as shown in the following table:
real-time temperature, humidity and illumination intensity data of 24 hours in 1 month and 1 day in 2018
| Time of day | Temperature (. degree. C.) | Moisture content (g/Kg) | Relative humidity (%) | Illumination radiation (W/M) 2 ） |
| 0 | -5.08 | 1.600 | 64.83 | 0.00 |
| 1 | -5.19 | 1.710 | 69.27 | 0.00 |
| 2 | -5.40 | 1.790 | 72.50 | 0.00 |
| 3 | -5.79 | 1.830 | 80.75 | 0.00 |
| 4 | -6.29 | 1.820 | 80.31 | 0.00 |
| 5 | -6.78 | 1.780 | 85.65 | 0.00 |
| 6 | -7.15 | 1.720 | 82.77 | 0.00 |
| 7 | -7.30 | 1.650 | 79.41 | 0.00 |
| 8 | -6.50 | 1.650 | 72.83 | 37.59 |
| 9 | -4.49 | 1.740 | 64.72 | 147.92 |
| 10 | -1.77 | 1.860 | 58.46 | 256.54 |
| 11 | 1.17 | 1.920 | 55.47 | 339.67 |
| 12 | 3.87 | 1.830 | 36.55 | 222.38 |
| 13 | 5.84 | 1.640 | 28.51 | 364.39 |
| 14 | 6.60 | 1.450 | 23.54 | 371.24 |
| 15 | 6.24 | 1.410 | 24.52 | 200.99 |
| 16 | 5.30 | 1.510 | 28.14 | 109.29 |
| 17 | 3.96 | 1.680 | 33.56 | 0.00 |
| 18 | 2.44 | 1.840 | 42.37 | 0.00 |
| 19 | 0.92 | 1.960 | 48.43 | 0.00 |
| 20 | -0.40 | 2.000 | 53.20 | 0.00 |
| 21 | -1.37 | 2.010 | 63.16 | 0.00 |
| 22 | -2.04 | 2.010 | 63.16 | 0.00 |
| 23 | -2.51 | 2.020 | 68.99 | 0.00 |
| 24 | -2.88 | 2.030 | 69.33 | 0.00 |
The experiment aims at different heating interruption moments and different house heat insulation materials, a scene that the temperature of the heated house is reduced to the human body cold tolerance temperature after the heating interruption is simulated, the indoor real-time temperature is recorded, a curve of the indoor temperature changing along with time is drawn, and the relation between the heating interruption moments and the house heat insulation materials and the house thermal inertia is researched.
Specifically, exploring the relationship between indoor and outdoor temperature and house thermal inertia comprises:
the semiconductor boiler is adopted in the internal environment laboratory for heating, and the external wall of the house of the internal environment laboratory does not adopt heat-insulating materials, and the scene that the heating is interrupted and the indoor temperature is reduced to the cold tolerance temperature of the human body is simulated at different moments of a day in the internal environment laboratory (the first time operation is set to 3 am, the second time operation is set to 10 am, and the third time operation is set to 15 pm).
The method comprises the following specific steps: an external environment laboratory sets a 24-hour real-time continuous working condition according to typical weather data of Beijing winter; starting the semiconductor electric boiler, setting the indoor temperature value to be 24 ℃, adopting a radiator as a radiating terminal, and starting operation after the temperature of a constant temperature and humidity system and an internal environment laboratory is stable; the semiconductor electric boiler is closed at 3 am (10 am/15 pm in the third operation) set in the first operation, the real-time temperature data of 108 sensors in the background are sequentially obtained, then the temperature of 36 sensors of each layer is averaged to obtain the temperature decay time of each layer from the heating temperature (24 ℃) to the human body cold tolerance temperature (13 ℃), different layer temperature field differences can be contrastively analyzed, the average temperature values of three layers are recorded into a table, and the temperature curves of three layers are drawn.
Specifically, the exploration of the thermal inertia relationship between the thermal insulation material and the house comprises the following steps: the outer wall of the house of the internal environment laboratory sequentially adopts thermal insulation materials A, B, other experimental conditions are the same as 3.2.1, heating interruption and temperature drop to human body cold tolerance temperature scenes at different moments of a day of the internal environment laboratory (the first operation is set to be 3 am, the second operation is set to be 10 am, and the third operation is set to be 15 pm) are simulated, and the specific steps are the same as the steps for exploring the relation between indoor and outdoor temperature and house thermal inertia.
Through this application embodiment, "coal changes electricity" user can obtain the heating test result, sets up reasonable reliable foundation for the indoor humidity of self. Meanwhile, the invention can also develop the research on the power utilization strategy for orderly guiding the user.
The embodiment of the present application further provides a house thermal inertia's test system, and the system includes: the method comprises the following steps that a heat insulation material used for determining testing conditions of a house and a heating interruption controller used for obtaining different heating interruption time periods are arranged in an experimental house, and electric heating equipment, equipment used for simulating indoor and outdoor environments, heat dissipation equipment and temperature detection equipment are arranged in the house, wherein the temperature detection equipment monitors the temperature data of the house in the different heating interruption time periods and/or different house heat insulation materials; the processor of the test system acquires the thermal inertia of the house based on the temperature data monitored by the temperature detection equipment, wherein the thermal inertia of the house is used for representing the relation between the heating interruption time period and the house thermal insulation material and the house temperature decay time.
It should be noted that different heating interruption moments correspond to different indoor and outdoor temperature and humidity and illumination conditions, and will certainly affect the house temperature decay time, and different house heat insulation materials will also affect the heat insulation performance of the house, and further affect the house temperature decay time, so that the heat insulation materials of the test conditions of the house can be determined through the heating interruption controller, and different heating interruption time periods can be obtained.
The temperature sensing device disposed in the premises may include a plurality of thermocouples and a humidity sensor, the thermocouples including at least one of: over-and-under type sensor, wall sensor, ground sensor and furred ceiling sensor, the heat-radiating equipment can include following at least one: ground heating, fan coil and radiator.
And a processor of the test system acquires temperature data monitored by the temperature detection equipment under different test conditions, and calculates the relationship between the heating interruption time period and the house heat insulation material and the house temperature decay time, so as to obtain the house thermal inertia.
It should be noted that the steps illustrated in the flowcharts of the figures may be performed in a computer system such as a set of computer-executable instructions and that, although a logical order is illustrated in the flowcharts, in some cases, the steps illustrated or described may be performed in an order different than presented herein.
The embodiment of the present application further provides a device for testing thermal inertia of a house, and it should be noted that the device for testing thermal inertia of a house according to the embodiment of the present application can be used for executing the method for testing thermal inertia of a house according to the embodiment of the present application. The following describes a device for testing thermal inertia of a house provided in an embodiment of the present application.
Fig. 4 is a schematic diagram of a testing device for thermal inertia of a house according to an embodiment of the application. As shown in fig. 4, the apparatus includes: an acquisition module 10, a detection module 20 and a processor 30.
Specifically, the obtaining module 10 is configured to obtain test conditions of a house, where the test conditions include: different heating interruption periods and different house heat insulation materials.
A detection module 20 for monitoring temperature data of the premises at different heating interruption periods and/or using different insulation for the premises.
And a processor 30 configured to obtain a house thermal inertia based on the monitored temperature data, wherein the house thermal inertia is used to characterize a relationship between a heating interruption time period, a house insulation material, and a house temperature decay time.
The testing device for the thermal inertia of the house provided by the embodiment of the application acquires the testing conditions of the house through the acquisition module 10, wherein the testing conditions comprise: different heating interruption time periods and different house heat insulation materials; the detection module 20 monitors temperature data of the house at different heating interruption periods and/or using different house insulation materials; the processor 30 is configured to obtain the thermal inertia of the house based on the monitored temperature data, where the thermal inertia of the house is used to represent a heating interruption time period and a relation between a house thermal insulation material and a house temperature decay time, so that a technical problem that a test result is inaccurate due to difficulty in obtaining related data because different electric heating equipment acquisition communication modules are independent from each other when a process of stopping heating of the electric heating equipment under a power failure condition is simulated and tested by using a test device in the related art is solved, and an effect of obtaining related data of different heating equipment so as to accurately simulate and test a process of stopping heating of the electric heating equipment under the power failure condition is achieved.
The device for testing the thermal inertia of the house comprises a processor and a memory, wherein the acquiring module 10, the detecting module 20, the processor 30 and the like are stored in the memory as program units, and the processor executes the program units stored in the memory to realize corresponding functions.
The processor comprises a kernel, and the kernel calls the corresponding program unit from the memory. The kernel can be set to be one or more than one, and the technical problem that in the related technology, when the process of heating stop of the electric heating equipment under the power failure condition is simulated and tested through the test equipment, the test result is inaccurate because the acquisition communication modules of different electric heating equipment are mutually independent and the related data is difficult to obtain is solved by adjusting the kernel parameters.
The memory may include volatile memory in a computer readable medium, Random Access Memory (RAM) and/or nonvolatile memory such as Read Only Memory (ROM) or flash memory (flash RAM), and the memory includes at least one memory chip.
An embodiment of the present invention provides a storage medium on which a program is stored, the program implementing the method for testing the thermal inertia of a house when executed by a processor.
The embodiment of the invention provides a processor, which is used for running a program, wherein the program executes a testing method of the house thermal inertia when running.
The embodiment of the invention provides equipment, which comprises a processor, a memory and a program which is stored on the memory and can run on the processor, wherein the processor executes the program and realizes the following steps: arranging a heat insulation material in an experimental house, and arranging electric heating equipment, equipment for simulating indoor and outdoor environments, heat dissipation equipment and temperature detection equipment; acquiring test conditions of a house, wherein the test conditions comprise: different heating interruption time periods and different house heat insulation materials; monitoring temperature data of the house in different heating interruption time periods and/or using different house heat insulation materials through temperature detection equipment; and acquiring the thermal inertia of the house based on the temperature data monitored by the temperature detection equipment, wherein the thermal inertia of the house is used for representing the relation between the heating interruption time period and the house thermal insulation material and the house temperature decay time.
Optionally, the temperature detection device comprises: a plurality of thermocouples and a humidity sensor, the thermocouples comprising at least one of: the system comprises a lifting sensor, a wall sensor, a ground sensor and a ceiling sensor, wherein the lifting sensor is arranged into temperature monitoring points at intervals in different directions.
Optionally, the at least one electrical heating device is switched off at different predetermined periods of time to simulate different heating interruption periods, wherein the heating interruption periods comprise: an extreme cold time node, an extreme warm time node, and a normal time node.
Optionally, the heat dissipating device comprises at least one of: ground heating, fan coil and radiator.
Optionally, the building thermal inertia has an associated relationship with a building shape coefficient S value of the building and a thermal inertia index D value of the building wall enclosure.
Optionally, the building form factor S is a ratio of an external surface area of the building in contact with outdoor air to a building volume, wherein the building heat loss is proportional to the building form factor S.
Optionally, the value D of the thermal inertia index is used for representing a comparison relationship between heat storage and heat conduction of the building outer wall, and is a dimensionless index representing the degree of attenuation of the building envelope to the periodic temperature wave in the building outer wall.
Optionally, in a case where the house thermal inertia of the different house is obtained, the house thermal inertia of the different house is transmitted to the analysis server, wherein the analysis server compares the temperature decay time of the different house based on the house thermal inertia of the different house.
Alternatively, if the geographical locations of the different houses are different, the analysis server determines a coping scheme of the house thermal insulation material and the heating interruption period of the houses in the different geographical locations based on the temperature decay time of the houses in the different geographical locations. The device herein may be a server, a PC, a PAD, a mobile phone, etc.
The present application further provides a computer program product adapted to perform a program for initializing the following method steps when executed on a data processing device: arranging a heat insulation material in an experimental house, and arranging electric heating equipment, equipment for simulating indoor and outdoor environments, heat dissipation equipment and temperature detection equipment; acquiring test conditions of a house, wherein the test conditions comprise: different heating interruption time periods and different house heat insulation materials; monitoring temperature data of the house in different heating interruption time periods and/or using different house heat insulation materials through temperature detection equipment; and acquiring the thermal inertia of the house based on the temperature data monitored by the temperature detection equipment, wherein the thermal inertia of the house is used for representing the relation between the heating interruption time period and the house thermal insulation material and the house temperature decay time.
Optionally, the temperature detection device comprises: a plurality of thermocouples and a humidity sensor, the thermocouples comprising at least one of: the system comprises a lifting sensor, a wall sensor, a ground sensor and a ceiling sensor, wherein the lifting sensor is arranged into temperature monitoring points at intervals in different directions.
Optionally, the at least one electrical heating device is switched off at different predetermined periods of time to simulate different heating interruption periods, wherein the heating interruption periods comprise: an extreme cold time node, an extreme warm time node, and a common time node.
Optionally, the heat dissipating device comprises at least one of: ground heating, fan coil and radiator.
Optionally, the building thermal inertia has an associated relationship with a building shape coefficient S value of the building and a thermal inertia index D value of the building wall enclosure.
Optionally, the building form factor S is a ratio of an external surface area of the building in contact with outdoor air to a building volume, wherein the building heat loss is proportional to the building form factor S.
Optionally, the value D of the thermal inertia index is used for representing a comparison relationship between heat storage and heat conduction of the building outer wall, and is a dimensionless index representing the degree of attenuation of the building envelope to the periodic temperature wave in the building outer wall.
Optionally, in a case where the house thermal inertia of the different house is obtained, the house thermal inertia of the different house is transmitted to the analysis server, wherein the analysis server compares the temperature decay time of the different house based on the house thermal inertia of the different house.
Alternatively, if the geographical locations of the different houses are different, the analysis server determines a coping scheme of the house thermal insulation material and the heating interruption period of the houses in the different geographical locations based on the temperature decay time of the houses in the different geographical locations.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
In a typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include forms of volatile memory in a computer readable medium, Random Access Memory (RAM) and/or non-volatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). The memory is an example of a computer-readable medium.
Computer-readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, a computer readable medium does not include a transitory computer readable medium such as a modulated data signal and a carrier wave.
It should also be noted that 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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (13)
1. A method for testing thermal inertia of a house is characterized in that a thermal insulation material is arranged in an experimental house, and electric heating equipment, equipment for simulating indoor and outdoor environments, heat dissipation equipment and temperature detection equipment are arranged, wherein the method for testing the thermal inertia of the house comprises the following steps:
acquiring test conditions of the house, wherein the test conditions comprise: different heating interruption time periods and different house heat insulation materials;
monitoring temperature data of the house in different heating interruption time periods and/or using different house heat insulation materials through temperature detection equipment;
and acquiring the thermal inertia of the house based on the temperature data monitored by the temperature detection equipment, wherein the thermal inertia of the house is used for representing the relation between the heating interruption time period and the house thermal insulation material and the house temperature decay time.
2. The method of claim 1, wherein the temperature detection device comprises: a plurality of thermocouples and a humidity sensor, the thermocouples comprising at least one of: the system comprises a lifting sensor, a wall sensor, a ground sensor and a ceiling sensor, wherein the lifting sensor is arranged into temperature monitoring points at intervals in different directions.
3. The method of claim 1, wherein the electrical heating device is turned off at least once at different predetermined periods of time to simulate the different heating interruption periods, wherein the heating interruption periods comprise: an extreme cold time node, an extreme warm time node, and a normal time node.
4. The method of claim 1, wherein the heat sink device comprises at least one of: ground heating, fan coil and radiator.
5. The method of claim 1, wherein the building thermal inertia is correlated to a building shape factor S value for the building and a thermal inertia index D value for the building wall enclosure.
6. The method of claim 5, wherein the building build factor S is a ratio of an external surface area of the building in contact with outdoor air to a building volume, and wherein the building heat loss is proportional to the building build factor S.
7. The method of claim 5, wherein the value of the thermal inertia index D is used for representing the comparison relationship between the heat storage and the heat conduction of the outer wall of the building, and is a dimensionless index for representing the attenuation speed of the periodic temperature wave in the building envelope.
8. The method according to any one of claims 1 to 7, wherein in case a house thermal inertia of a different house is obtained, transmitting the house thermal inertia of the different house to an analysis server, wherein the analysis server compares the temperature decay time of the different house based on the house thermal inertia of the different house.
9. The method of claim 8, wherein if the different premises are geographically different, the analysis server determines a solution to the premises insulation, the heating outage period, of the premises in the different geographic locations based on the temperature decay time of the premises in the different geographic locations.
10. A test system for house thermal inertia is characterized in that a thermal insulation material for determining test conditions of a house and a heating interruption controller for acquiring different heating interruption time periods are arranged in an experimental house, and electric heating equipment, equipment for simulating indoor and outdoor environments, heat dissipation equipment and temperature detection equipment are arranged in the house, wherein the temperature detection equipment monitors temperature data of the house in the different heating interruption time periods and/or under different house thermal insulation materials;
the processor of the test system obtains the house thermal inertia based on the temperature data monitored by the temperature detection device, wherein the house thermal inertia is used for representing the relation between the heating interruption time period and the house thermal insulation material and the house temperature decay time.
11. A testing arrangement of house thermal inertia, characterized by, includes:
an obtaining module, configured to obtain test conditions of the house, where the test conditions include: different heating interruption time periods and different house heat insulation materials;
the system comprises a detection module, a data processing module and a data processing module, wherein the detection module is used for monitoring temperature data of the house in different heating interruption time periods and/or different house heat insulation materials;
a processor configured to obtain the house thermal inertia based on the monitored temperature data, wherein the house thermal inertia is used to characterize a relationship between the heating interruption time period, the house insulation material, and the house temperature decay time.
12. A storage medium, characterized in that the storage medium comprises a stored program, wherein the apparatus in which the storage medium is located is controlled to execute the house thermal inertia test method of claim 1 when the program is run.
13. A processor, wherein the processor is configured to run a program, wherein the program when executed performs the method of testing the thermal inertia of a premises of claim 1.
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