CN113406383B - Roof greening building energy-saving effect detection method - Google Patents
Roof greening building energy-saving effect detection method Download PDFInfo
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- CN113406383B CN113406383B CN202110639073.5A CN202110639073A CN113406383B CN 113406383 B CN113406383 B CN 113406383B CN 202110639073 A CN202110639073 A CN 202110639073A CN 113406383 B CN113406383 B CN 113406383B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
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- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
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Abstract
The invention discloses a method for detecting the energy-saving effect of a roof greening building, which comprises the following steps: s1, building a room A and a room B; enclosing the outside of the rooms A and B by buildings to form an enclosed space C; s2, installing air conditioners in the room A, the room B and the enclosed space C, and installing electric quantity recorders in the room A and the room B; s3, before roof greening is not carried out on the room A, doors of the room A and the room B are opened and communicated with the shielding space C, all air conditioners are opened, a uniform refrigeration mode is set for all the air conditioners, the refrigeration temperature is set, after the temperature of the whole environment air is stable, the power consumption of the air conditioners in the room A and the room B in the same time is recorded and recorded as W rA 、W rB And obtaining the calibration parameters. The method for detecting the energy-saving effect of the roof greening building is simple, can reduce the difficulty of the work of measuring and evaluating the energy-saving effect of the roof greening building, simplifies the workload of the roof greening building, and has good accuracy, reliability and contrast.
Description
Technical Field
The invention relates to the technical field of greening detection, in particular to a method for detecting the energy-saving effect of a roof greening building.
Background
In recent years, with the rapid progress of urbanization in china, the total amount of energy consumption in china has increased year by year. The building industry is always the 'big household' of energy consumption, wherein the energy consumption ratio of heating and air conditioning is the highest. In the energy consumption of heating and air conditioning, the proportion of the heat transfer between the building and the environment is 20-50%, so that the heat preservation and heat insulation performance of the building is improved, and the energy consumption of the building can be reduced to a certain extent. Roof greening is an effective building energy-saving measure, direct heat conduction between a roof and the external environment is retarded by isolating planting soil and a vegetation layer, the heat insulation performance of the roof is effectively improved, and therefore energy consumption of an air conditioner caused by heat transfer through the roof is reduced.
Most of existing roof greening energy-saving detection methods are complex, the roof greening heat-insulating and cooling effects are calculated through a mathematical model by measuring indexes such as ambient air temperature, indoor temperature and solar radiation quantity, and the electricity is saved through conversion by combining with the common refrigeration energy efficiency level in the refrigeration industry. The method is used for measuring the energy-saving effect of the roof greening building, on one hand, the result accuracy and the reliability are relatively low due to the fact that data calculation is adopted instead of direct measurement, and on the other hand, the method is difficult to popularize and apply in a large range due to the fact that the calculation process is complex and the data amount is huge.
Disclosure of Invention
The invention provides a method for detecting the energy-saving effect of a roof greening building, which has real-time performance and is more intuitive, can reduce the difficulty of the work of measuring and evaluating the energy-saving effect of the roof greening building, simplifies the workload, and has good accuracy, reliability and contrast.
The invention adopts the following technical scheme for solving the technical problems:
a roof greening building energy-saving effect detection method comprises the following steps:
s1, building a room A and a room B, wherein the structures, the areas, the heights and the gate opening positions of the room A and the room B are consistent; enclosing the outside of the rooms A and B by buildings to form an enclosed space C;
s2, installing air conditioners in the room A, the room B and the enclosed space C, and installing electric quantity recorders in the room A and the room B;
s3, before roof greening is not carried out on the room A, doors of the room A and the room B are opened and communicated with the shielding space C, all air conditioners are opened, a uniform refrigeration mode is set for all the air conditioners, the refrigeration temperature is set, after the temperature of the whole environment air is stable, the power consumption of the air conditioners in the room A and the room B in the same time is recorded and recorded as W rA 、W rB Obtaining the calibration parameters
；
S4, performing roof greening on the room A, after the roof greening coverage rate reaches 100%, tightly closing doors of the room A and the room B to form 3 mutually isolated rooms with the enclosed space C, turning on all air conditioners, setting a unified refrigeration mode for all the air conditioners, recording the power consumption of the air conditioners in the room A and the room B at the same time after the temperature of the whole ambient air is stable, and recording the power consumption as W A 、W B Roof greening building energy-saving effect
×100%。
The method for detecting the energy-saving effect of the roof greening building can calculate the energy-saving effect of the greening building only by detecting the power consumption of the air conditioners in the room A and the room B, is simple and intuitive, and has good accuracy, reliability and contrast.
The inventor of the present invention found through extensive studies that the enclosed space C is formed by enclosing the outside of the rooms a and B with buildings, the air conditioners are installed in the rooms a, B and C by enclosing the rooms a and B with the enclosed space C, the detection accuracy can be effectively improved, if the enclosed space C is not installed, the sunlight is difficult to uniformly irradiate the rooms a and B, the experimental result is seriously affected, the reliability of the detection result is reduced, the position of the sun moves along with the passage of the test time, the irradiation of the sunlight changes along with the passage of the test time, if the enclosed space C is not installed, the reliability of the detection result is affected along with the change of the irradiation of the sun, the enclosed space C is formed by enclosing the outside of the rooms a and B with buildings, the detection accuracy and the reliability can be greatly improved.
Preferably, the rooms a and B are constructed in an open area, so that the rooms a and B can block direct sunlight without any object. The detection accuracy can be improved, and the influence of interference factors on an experimental result is avoided.
Preferably, the air conditioner refrigerating capacity can meet the space requirement.
Preferably, the power consumption is measured by a power recorder, and the power recorder is electrically connected with the air conditioner.
Preferably, the refrigeration temperature is 26 ℃.
Preferably, the air conditioners installed in the room A, the room B and the enclosed space C are the same type of air conditioners with the same brand.
As a preferable scheme, the room a and the room B are provided with electric quantity recorders of the same brand and the same model.
Preferably, in S3, the air conditioner power consumption in room a and room B at the same time is recorded as the air conditioner power consumption in room a and room B at 24 h.
Preferably, in S4, the air-conditioner power consumption amounts in room a and room B at the same time are recorded as the air-conditioner power consumption amounts in room a and room B at 72 h.
The invention has the beneficial effects that: (1) the method for detecting the energy-saving effect of the roof greening building is simple, does not need to measure indexes such as air temperature, indoor temperature, solar radiation and the like, has real-time performance and is more intuitive, the difficulty of the work of measuring and evaluating the energy-saving effect of the roof greening building can be reduced, the workload of the roof greening building can be simplified, and the result of measuring and evaluating the energy-saving effect of the roof greening building has good accuracy, reliability and contrast; (2) the detection accuracy can be greatly improved, the detection result reliability can be seriously influenced by the sunlight which is hardly and uniformly irradiated to the rooms A and B if the enclosure space C is not installed, the reliability of the detection result is reduced, the position of the sun can move along with the passing of the test time, the irradiation of the sunlight can be changed along with the passing of the time if the enclosure space C is not installed, the detection result reliability can be influenced along with the change of the solar irradiation, and the enclosure space C is formed by enclosing the buildings outside the rooms A and B, so that the detection accuracy can be greatly improved, And (4) reliability.
Drawings
FIG. 1 is a schematic view of a method for detecting energy-saving effect of a roof greening building according to the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are a part of the embodiments of the present invention, but 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.
A roof greening building energy-saving effect detection method comprises the following steps:
s1, building a room A and a room B, wherein the structures, the areas, the heights and the gate opening positions of the room A and the room B are consistent; enclosing the outside of the rooms A and B by buildings to form an enclosed space C;
s2, installing air conditioners in the room A, the room B and the enclosed space C, and installing electric quantity recorders in the room A and the room B;
s3, before roof greening is not carried out on the room A, the doors of the room A and the room B are opened and communicated with the shielding space C, all air conditioners are opened, and all the air conditioners are set to be in a unified refrigeration modeThe refrigeration temperature is the power consumption of the air conditioners in the room A and the room B at the same time after the temperature of the whole environment is stable, and is recorded as W rA 、W rB Obtaining the calibration parameters
；
S4, performing roof greening on the room A, after the roof greening coverage rate reaches 100%, tightly closing doors of the room A and the room B to form 3 mutually isolated rooms with the enclosed space C, turning on all air conditioners, setting a unified refrigeration mode for all the air conditioners, recording the power consumption of the air conditioners in the room A and the room B at the same time after the temperature of the whole ambient air is stable, and recording the power consumption as W A 、W B Roof greening building energy-saving effect
×100%。
Preferably, the rooms a and B are constructed in an open area, so that the rooms a and B can block direct sunlight without any object.
Preferably, the air conditioner refrigerating capacity can meet the space requirement.
Preferably, the power consumption is measured by a power recorder, and the power recorder is electrically connected with the air conditioner.
Preferably, the refrigeration temperature is 26 ℃.
Preferably, the air conditioners installed in the room A, the room B and the enclosed space C are the same type of air conditioners with the same brand.
As a preferable scheme, the room a and the room B are provided with electric quantity recorders of the same brand and the same model.
Preferably, in S3, the air conditioner power consumption in room a and room B at the same time is recorded as the air conditioner power consumption in room a and room B at 24 h.
Preferably, in S4, the air-conditioner power consumption amounts in room a and room B at the same time are recorded as the air-conditioner power consumption amounts in room a and room B at 72 h.
Example 1
A roof greening building energy-saving effect detection method comprises the following steps:
s1, constructing a room A and a room B in an open area, wherein the structures, areas, heights and gate opening positions of the room A and the room B are consistent; enclosing the outside of the rooms A and B by buildings to form an enclosed space C;
s2, air conditioners with the same brand and the same model are installed in the room A, the room B and the enclosed space C, the refrigerating capacity of the air conditioners can meet the space requirement, electric quantity recorders with the same brand and the same model are installed in the room A and the room B, the electric quantity is measured through the electric quantity recorders, and the electric quantity recorders are electrically connected with the air conditioners;
s3, before roof greening is not carried out on the room A, doors of the room A and the room B are opened and are communicated with the shielding space C, all air conditioners are opened, a unified refrigeration mode is set for all the air conditioners, the refrigeration temperature is 26 ℃, after the temperature of the whole environment is stable, the power consumption of the air conditioners in the room A and the room B in 24h is recorded and is recorded as W rA 、W rB Obtaining the calibration parameters
；
S4, performing roof greening on the room A, after the roof greening coverage rate reaches 100%, tightly closing doors of the room A and the room B to form 3 mutually isolated rooms with the enclosed space C, turning on all air conditioners, setting a unified refrigeration mode for all the air conditioners, wherein the refrigeration temperature is 26 ℃, and after the temperature of the whole ambient air is stable, recording the power consumption of the air conditioners in the room A and the room B within 72h, and recording as W A 、W B Roof greening building energy-saving effect
×100%。
The room A and the room B are built in an open area, so that the room A and the room B can shield direct sunlight without objects, the detection accuracy can be improved, and the influence of interference factors on an experimental result is avoided.
The method for detecting the energy-saving effect of the roof greening building is simple, does not need to measure indexes such as air temperature, indoor temperature and solar radiation, has real-time performance and is more intuitive, the difficulty of the work of measuring and evaluating the energy-saving effect of the roof greening building can be reduced, the workload of the roof greening building is simplified, and the result of measuring and evaluating the energy-saving effect of the roof greening building has good accuracy, reliability and contrast.
The invention can effectively improve the detection accuracy by enclosing the rooms A and B with the buildings to form the enclosed space C, and installing the air conditioners in the rooms A, B and C by enclosing the rooms A and B with the enclosed space C, if the enclosed space C is not installed, the sunlight is difficult to uniformly irradiate the rooms A and B, the experimental result can be seriously influenced, the reliability of the detection result is reduced, the sun position can move along with the passage of the test time, the irradiation of the sunlight can be changed along with the passage of the test time, if the enclosed space C is not installed, the reliability of the detection result can be influenced along with the change of the irradiation of the sun, and the enclosed space C is enclosed by enclosing the buildings outside the rooms A and B to form the enclosed space C, so the detection accuracy can be greatly improved, And (4) reliability.
In light of the foregoing description of preferred embodiments according to the invention, it is clear that many changes and modifications can be made by the person skilled in the art without departing from the scope of the invention. The technical scope of the present invention is not limited to the contents of the specification, and must be determined according to the scope of the claims.
Claims (9)
1. A roof greening building energy-saving effect detection method is characterized by comprising the following steps:
s1, building a room A and a room B, wherein the structures, the areas, the heights and the gate opening positions of the room A and the room B are consistent; enclosing the outside of the rooms A and B by buildings to form an enclosed space C;
s2, installing air conditioners in the room A, the room B and the enclosed space C, and installing electric quantity recorders in the room A and the room B;
s3, before roof greening is not carried out on the room A, doors of the room A and the room B are opened and communicated with the shielding space C, all air conditioners are opened, a uniform refrigeration mode is set for all the air conditioners, the refrigeration temperature is set, after the temperature of the whole environment air is stable, the power consumption of the air conditioners in the room A and the room B in the same time is recorded and recorded as W rA 、W rB Obtaining the calibration parameters
；
S4, performing roof greening on the room A, after the roof greening coverage rate reaches 100%, tightly closing doors of the room A and the room B to form 3 mutually isolated rooms with the enclosed space C, turning on all air conditioners, setting a unified refrigeration mode for all the air conditioners, recording the power consumption of the air conditioners in the room A and the room B at the same time after the temperature of the whole ambient air is stable, and recording the power consumption as W A 、W B Roof greening building energy-saving effect
×100%。
2. The method for detecting the energy-saving effect of the roof greening building as recited in claim 1, wherein the rooms a and B are constructed in an open area, so that no object is present in the rooms a and B to block direct sunlight.
3. The method for detecting the energy-saving effect of the roof greening building as claimed in claim 1, wherein the air-conditioning refrigerating capacity can meet the space requirement.
4. The method for detecting the energy-saving effect of a roof greening building as claimed in claim 1, wherein the power consumption is measured by a power recorder, and the power recorder is electrically connected with an air conditioner.
5. The method for detecting the energy-saving effect of a roof greening building as claimed in claim 1, wherein the refrigeration temperatures are all 26 ℃.
6. The method for detecting the energy-saving effect of a roof greening building as claimed in claim 1, wherein the air conditioners installed in the room A, the room B and the enclosed space C are the same type of air conditioners of the same brand.
7. The method for detecting the energy-saving effect of a roof greening building as claimed in claim 1, wherein the electricity recorders of the same brand and the same model are installed in the room A and the room B.
8. The method for detecting energy saving effect of a roof greening building according to claim 1, wherein in S3, the power consumption of the air conditioners in room a and room B at the same time is recorded as the power consumption of the air conditioners in room a and room B at 24 h.
9. The method for detecting energy saving effect of a roof greening building according to claim 1, wherein in S4, the air conditioner power consumption of room a and room B recorded at the same time is the air conditioner power consumption of room a and room B recorded for 72 h.
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