Air conditioner energy efficiency test method, indoor side temperature and humidity dynamic adjustment method in test process, air conditioner energy efficiency test system, computer device and readable storage medium

Abstract

The application provides an air conditioner energy efficiency test method, an indoor side temperature and humidity dynamic adjustment method in a test process, an air conditioner energy efficiency test system, a computer device and a readable storage medium. The indoor side temperature and humidity dynamic adjustment method comprises the following steps: obtaining an outdoor dry bulb temperature at a current time, an outdoor wet bulb temperature at the current time, an indoor dry bulb temperature at the current time and an indoor wet bulb temperature at the current time; an air conditioner energy efficiency test unit measures each energy efficiency parameter of the air conditioner in real time within a preset test period; according to the outdoor dry bulb temperature at the current time, the outdoor wet bulb temperature at the current time, the indoor dry bulb temperature at the current time, the indoor wet bulb temperature at the current time and at least part of the energy efficiency parameter at the current time, the indoor dry bulb temperature at a next time after a preset time interval and the indoor wet bulb temperature at the next time are calculated; and the indoor dry bulb temperature and the indoor wet bulb temperature of the air conditioner energy efficiency test unit are adjusted according to the indoor dry bulb temperature at the next time and the indoor wet bulb temperature at the next time. The method can measure the dynamic energy efficiency of the air conditioner in the process of the dynamic change of the indoor side dry bulb temperature and the indoor side wet bulb temperature, and can reflect the energy efficiency level of the air conditioner in actual operation.

Description

Technical Field

[0001] This invention relates to the field of air conditioning technology, specifically to an air conditioning energy efficiency testing method and a method for dynamically adjusting indoor temperature and humidity during the testing process, an air conditioning energy efficiency testing system, a computer device, and a readable storage medium. Background Technology

[0002] With the increasing demand for cooling and heating and the widespread adoption of inverter compressor technology, inverter air conditioners account for over 95% of the market share in my country. During the cooling and heating operation of inverter air conditioners, the indoor ambient temperature and compressor frequency dynamically change. Furthermore, the dehumidification and indoor-outdoor air exchange during cooling also cause dynamic changes in indoor humidity. However, according to the current energy efficiency evaluation standards GB 21455 and GB 7725 for room air conditioners, the indoor temperature and humidity (dry-bulb and wet-bulb temperatures) remain constant during energy efficiency testing, and the compressor frequency is fixed throughout the test. This testing standard does not match the actual dynamic operating state of the air conditioner, and the test results cannot reflect the actual dynamic energy efficiency of the air conditioner. Consequently, there are instances where sample units with the same Level 1 energy efficiency rating exhibit significant differences in actual power consumption during operation.

[0003] The reason why indoor temperature and humidity cannot be dynamically adjusted in current testing standards and experimental setups is that laboratories cannot analyze the relationship between building heat load and air conditioning capacity (cooling or heating capacity), and cannot predict the dynamic changes in indoor temperature and humidity during air conditioning operation.

[0004] There is a model-based predictive control method and system for regulating indoor temperature in buildings. It establishes an indoor dry-bulb temperature prediction model and uses it to control the air conditioning system. However, it does not provide a method for predicting indoor humidity. Moreover, in this patent, the change in indoor dry-bulb temperature is predicted only once every hour, which is too long an interval. Therefore, this method cannot be used for air conditioning energy efficiency testing.

[0005] Another existing air conditioner performance testing laboratory proposes to improve the accuracy of test results by changing the indoor environment simulation chamber from an insulated board structure to a brick wall structure, making the thermal conductivity of the indoor environment simulation chamber the same as that of a real room. However, in this patent, the indoor temperature and humidity remain unchanged during performance testing, which does not match the actual operating conditions of the air conditioner. Summary of the Invention

[0006] The first objective of this invention is to provide a method for dynamically adjusting indoor temperature and humidity during air conditioner energy efficiency testing. This method enables the indoor temperature and humidity to be dynamically adjusted according to the actual operation of the air conditioner during the energy efficiency testing process, thereby measuring the dynamic energy efficiency of the air conditioner during the dynamic changes of indoor dry-bulb and wet-bulb temperatures, and reflecting the energy efficiency level of the air conditioner during actual operation.

[0007] The second objective of this invention is to provide an air conditioning energy efficiency testing method that employs the above-mentioned indoor temperature and humidity dynamic adjustment method.

[0008] A third objective of this invention is to provide an air conditioning energy efficiency testing system that implements the above-described method for dynamic adjustment of indoor temperature and humidity.

[0009] A fourth objective of this invention is to provide a computer device for implementing the above-described method for dynamic adjustment of indoor temperature and humidity.

[0010] A fifth objective of this invention is to provide a readable storage medium that implements the above-described method for dynamic adjustment of indoor temperature and humidity.

[0011] To achieve the aforementioned first objective, the present invention provides a method for dynamically adjusting indoor temperature and humidity during air conditioner energy efficiency testing, comprising: acquiring the current outdoor dry-bulb temperature, the current outdoor wet-bulb temperature, the current indoor dry-bulb temperature, and the current indoor wet-bulb temperature; the air conditioner energy efficiency testing unit measuring various energy efficiency parameters of the air conditioner in real time within a preset testing period; calculating the indoor dry-bulb temperature and the indoor wet-bulb temperature at the next moment after a preset time interval based on the current outdoor dry-bulb temperature, the current outdoor wet-bulb temperature, the current indoor dry-bulb temperature, the current indoor wet-bulb temperature, and at least some of the current energy efficiency parameters; and adjusting the indoor dry-bulb temperature and the indoor wet-bulb temperature of the air conditioner energy efficiency testing unit based on the indoor dry-bulb temperature and the indoor wet-bulb temperature at the next moment.

[0012] As can be seen from the above scheme, when an air conditioner is in cooling mode, the indoor dry-bulb and wet-bulb temperatures gradually decrease; when the air conditioner is in heating mode, the indoor dry-bulb and wet-bulb temperatures gradually increase. However, in the existing air conditioner energy efficiency test process, the indoor dry-bulb and wet-bulb temperatures remain constant. That is, the air conditioner energy efficiency is measured under the condition of fixed indoor dry-bulb and wet-bulb temperatures, which does not match the actual operation of the air conditioner. Therefore, the test standard does not match the actual dynamic operating state of the air conditioner. The air conditioner energy efficiency obtained by testing under constant indoor dry-bulb and wet-bulb temperatures cannot reflect the actual energy efficiency level of the air conditioner. There are cases where the power consumption of the same level 1 energy efficiency prototypes varies greatly during actual operation.

[0013] When the indoor dry-bulb and wet-bulb temperatures change dynamically according to the actual operation of the air conditioner during the test, the resulting air conditioner energy efficiency can reflect the true energy efficiency level. However, in existing air conditioner energy efficiency testing standards, the test bench cannot analyze the relationship between building heat load and air conditioning capacity, nor can it predict the dynamic changes in indoor temperature and humidity during air conditioner operation. Therefore, the indoor dry-bulb and wet-bulb temperatures remain constant during the test, which does not match the actual operating state of the air conditioner. For example, when the air conditioner is cooling, the indoor dry-bulb and wet-bulb temperatures gradually decrease.

[0014] The present invention provides a method for dynamically adjusting indoor temperature and humidity during air conditioner energy efficiency testing. This method can predict the dynamic changes in indoor dry-bulb and wet-bulb temperatures according to the actual operating state of the air conditioner, and further dynamically adjust the indoor dry-bulb and wet-bulb temperatures. This allows for dynamic adjustment of indoor temperature and humidity during air conditioner energy efficiency testing, based on the actual operating process of the air conditioner. It also allows for the measurement of the dynamic energy efficiency of the air conditioner during these dynamic changes, reflecting the actual energy efficiency level of the air conditioner. This method overcomes the shortcomings of existing air conditioner energy efficiency testing methods, which do not allow for adjustment of indoor temperature and humidity, and also addresses the discrepancy between existing air conditioner energy efficiency testing standards and the actual dynamic operating state of the air conditioner.

[0015] A preferred approach is to calculate the indoor dry-bulb temperature at the next moment by the following steps: calculating the building heat load at the current moment based on the indoor dry-bulb temperature at the current moment, and calculating the indoor dry-bulb temperature at the next moment by combining the air conditioning operation mode and air conditioning capacity at the current moment.

[0016] A further solution is to calculate the indoor dry-bulb temperature at the next moment in cooling mode using the following formula: In heating mode, the indoor dry-bulb temperature at the next moment is calculated using the following formula: In the formula: T in (t+Δt) represents the indoor dry-bulb temperature at the next moment, in °C; T in (t) represents the current indoor dry-bulb temperature, in °C; Q BL (t) represents the building heat load at the current moment, in W; Q AC (t) represents the air conditioning capacity at the current moment, in W; HC represents the total heat capacity of indoor air, interior walls, and furniture surfaces, in J / ℃; Δt represents the time interval, in s.

[0017] Therefore, by analyzing the relationship between building heat load and air conditioning cooling / heating capacity, a formula for updating the indoor dry-bulb temperature of the indoor environment is proposed for the indoor temperature and humidity calculation module. The indoor temperature and humidity calculation module first obtains whether the air conditioner is currently operating in cooling or heating mode, then obtains the current indoor dry-bulb temperature from the air conditioning energy efficiency testing unit, and calculates the building heat load at the current moment. Additionally, the indoor temperature and humidity calculation module obtains the air conditioning capacity measured by the air conditioning energy efficiency testing unit at the current moment, which is used to calculate the indoor dry-bulb temperature value at the next moment.

[0018] A further solution is to calculate the building heat load in cooling mode using the following formula: Q BL =Q BL,1 +Q BL,2 +Q BL,3 +QBL,4 In heating mode, the building heat load is calculated using the following formula: Q BL =-Q BL,1 -Q BL,2 -Q BL,3 -Q BL,4 In the formula: Q BL Q represents building heat load, measured in W; BL,1 For heat conduction due to indoor and outdoor temperature difference, the unit is W; Q BL,2 Q is the heat of infiltration into the outside air, measured in W; BL,3 Solar radiation heat, measured in W; Q BL,4 Heat generated by refrigeration equipment and the human body is measured in W.

[0019] A further solution is to use the heat conduction Q due to the temperature difference between indoors and outdoors. BL,1 Calculate Q using the following formula: BL,1 =(K c ×A c +K m ×A m +K q ×A q +K wm ×A wm )×(T out -T in A B =2×(L) B +W B )×H B A c =A B ×β;A m =W m ×H m A q =A B -A c -A m A wm =L B ×W B ; A room =L B ×W B ; In the formula: Q BL,1 For conducting heat due to indoor and outdoor temperature differences, the unit is W; K c The heat transfer coefficient of a building's exterior windows, expressed in W / (m²). 2 ·K); K m The heat transfer coefficient of a building's entrance door, expressed in W / (m²). 2 ·K); K q The heat transfer coefficient of the building's exterior walls, expressed in W / (m²). 2 ·K); K wmThe heat transfer coefficient of the building roof, expressed in W / (m²). 2 ·K); A c The area of ​​the building's exterior windows, in square meters. 2 A m This refers to the area of ​​the building's entrance doors, in square meters (m²). 2 A q This refers to the area of ​​the building's exterior walls, in square meters (m²). 2 A wm This refers to the area of ​​the building's roof, expressed in square meters (m²). 2 ;T out Outdoor dry-bulb temperature, in °C; T in The indoor dry-bulb temperature is expressed in °C; A B The total area of ​​the building's four facades, in square meters. 2 L B W is the total length of the building, in meters (m). B H is the total width of the building, in meters (m). B H represents the total height of the building, in meters (m). m W is the height of the door, in meters (m). m β is the width of the entrance door, in meters; β is the window-to-wall ratio (the ratio of the exterior window area to the total facade area); A room The area of ​​the room is expressed in square meters (m²). 2 CC represents the rated cooling capacity of the air conditioner, measured in W.

[0020] A further approach is to use the heat of infiltration from outside air, Q. BL,2 Calculate Q using the following formula: BL,2 =Cp k ×ρ out ×N k ×V k ×(T out -T in );V k = (0.1~0.6)×V B V B =L B ×W B ×H B In the formula: Cp k ρ is the specific heat capacity of air, expressed in W·h / (kg·K), taken as 0.28 W·h / (kg·K); out Outdoor air density, unit: kg / m³ 3 N k The number of air exchanges is expressed in hours (h). -1 V k The ventilation volume is expressed in cubic meters (m³). 3 Take V k = (0.10~0.6)V B ;Tout Outdoor dry-bulb temperature, in °C; T in The indoor dry-bulb temperature is expressed in °C; V B The volume of the building is expressed in meters (m). 3 L B W is the total length of the building, in meters (m). B H is the total width of the building, in meters (m). B The total height of the building is expressed in meters (m).

[0021] A further proposal is to use solar radiation heat Q. BL,3 Calculate using the following formula: In the formula: I E I S I W I N The average total solar radiation intensity for east, south, west, and north directions is expressed in W / m². 2 C E C S C W C N For east, south, west, and north-facing exterior windows, the solar radiation correction factor is A. c The area of ​​the exterior window is expressed in square meters (m²). 2 .

[0022] A further solution is to integrate refrigeration equipment and human body heat generation (Q). BL,4 Calculate Q using the following formula: BL,4 =e×L B ×W B +e p ×p e In the formula: e is the sum of indoor lighting power density and electrical equipment power density, with units of W / m³. 2 L B W is the total length of the building, in meters (m). B e is the total width of the building, in meters (m). p The average heating power per person is expressed in W / person; p e The number of people in the room is expressed in person.

[0023] A preferred approach is to calculate the indoor wet-bulb temperature at the next moment using the following steps: First, based on the current indoor dry-bulb temperature and the current indoor wet-bulb temperature, calculate the saturated vapor pressure corresponding to the current indoor dry-bulb temperature and the current indoor wet-bulb temperature; Second, based on the saturated vapor pressures calculated in the first step, and combined with the current indoor dry-bulb temperature and the current indoor wet-bulb temperature, calculate the current indoor relative humidity; Third, based on the current indoor relative humidity and the saturated vapor pressure corresponding to the current indoor dry-bulb temperature, calculate the current indoor water vapor partial pressure, the current indoor air moisture content, and the current indoor air specific humidity; Fourth, based on the current outdoor dry-bulb temperature and the current indoor wet-bulb temperature... The steps are as follows: 1. Calculate the outdoor wet-bulb temperature and the specific humidity of the outdoor air at the current moment; 2. Obtain the current dehumidification capacity of the air conditioner, and based on the current dehumidification capacity, the current outdoor specific humidity, and the current indoor specific humidity, calculate the indoor specific humidity, the indoor moisture content, and the indoor water vapor partial pressure at the next moment; 3. Calculate the saturated water vapor pressure corresponding to the indoor dry-bulb temperature at the next moment; 4. Calculate the indoor relative humidity at the next moment based on the indoor water vapor partial pressure obtained in step 5 and the saturated water vapor pressure corresponding to the indoor dry-bulb temperature obtained in step 6; 5. Calculate the indoor wet-bulb temperature at the next moment based on the indoor dry-bulb temperature and the indoor relative humidity obtained in step 7.

[0024] A further approach is that, in the first step, the saturated water vapor pressure corresponding to the current indoor dry-bulb temperature is calculated according to the following formula;

[0025]

[0026] P ws,d (t)=100×P ws,d_1 (t);

[0027] The saturated water vapor pressure corresponding to the current indoor wet-bulb temperature is calculated using the following formula:

[0028]

[0029] P ws,s (t)=100×P ws,s_1 (t);

[0030] In the formula: P ws,d_1 (t) represents the current indoor dry-bulb temperature T. in (t) corresponds to the saturated water vapor pressure, in hPa; P ws,d(t) represents the current indoor dry-bulb temperature T. in (t) corresponds to the saturated water vapor pressure, in Pa; T in (t) represents the current indoor dry-bulb temperature, in °C; P ws,s_1 (t) represents the current indoor wet-bulb temperature T. in,s (t) corresponds to the saturated water vapor pressure, in hPa; P ws,s (t) represents the current indoor wet-bulb temperature T. in,s (t) corresponds to the saturated water vapor pressure, in Pa; T in,s (t) represents the current indoor wet-bulb temperature in °C; T1 represents the triple point temperature of water in K; c1, c2, c3, c4, c5, c6, and c7 are preset coefficients.

[0031] A preferred approach is that, in the second step, the current indoor relative humidity is calculated using the following formula; In the formula: RH(t) is the indoor relative humidity at the current moment, in %; P ws,s (t) represents the current indoor wet-bulb temperature T. in,s (t) corresponds to the saturated water vapor pressure, in Pa; P air P is atmospheric pressure, measured in Pa. ws,d (t) represents the current indoor dry-bulb temperature T. in (t) corresponds to the saturated water vapor pressure, in Pa; T in (t) represents the current indoor dry-bulb temperature, in °C; T in,s (t) represents the current indoor wet-bulb temperature, in °C.

[0032] A preferred approach is that, in the third step, the current indoor water vapor partial pressure P... w (t), in Pa, is calculated using the following formula;

[0033] A further approach is that, in the third step, the humidity content of the indoor air at the current moment is calculated using the following formula; In the formula: ds(t) is the humidity of the indoor air at the current moment, in kg / kg; P air Atmospheric pressure, unit: Pa.

[0034] A further approach is that, in the third step, the specific humidity of the indoor air at the current moment, xs(t), in kg / kg, is calculated according to the following formula;

[0035] A preferred approach is that, in step five, the specific humidity of the indoor air at the next moment is calculated according to the following formula; In the formula: xs(t+Δt) is the specific humidity of the indoor air at the next moment, in kg / kg; xs(t) is the specific humidity of the indoor air at the current moment, in kg / kg; xs0 is the specific humidity of the outdoor air at the current moment, in kg / kg; ρ out Outdoor air density, unit: kg / m³ 3 N k The number of air exchanges is expressed in hours (h). -1 V k The ventilation volume is expressed in cubic meters (m³). 3 Take V k =0.10-0.6V room V room This refers to the volume of the indoor room, in meters (m). 3 d(t) represents the dehumidification rate at the current moment, in kg / h; ρ in Indoor air density, unit: kg / m³ 3 Δt is the time interval in seconds, which is the same as the time interval for adjusting the indoor dry-bulb temperature.

[0036] A further approach is that, in the fifth step, the humidity of the indoor air at the next moment, ds(t+Δt), in kg / kg, is calculated using the following formula;

[0037] A further approach is that, in the fifth step, the indoor water vapor partial pressure at the next moment is calculated according to the following formula; In the formula: P w (t+Δt) represents the indoor water vapor partial pressure at the next moment, in Pa; P air Atmospheric pressure, unit: Pa.

[0038] Therefore, it is evident that indoor and outdoor air exchange and dehumidification during air conditioning operation both affect the specific humidity, moisture content, and water vapor partial pressure of indoor air. Thus, the impact of indoor and outdoor air exchange and dehumidification during air conditioning operation must be considered when calculating the next time step. Based on the calculated specific humidity xs0(t) of the outdoor air and xs(t) of the indoor air at the current time step, and the current dehumidification capacity d(t) output by the air conditioning energy efficiency test unit, the specific humidity of the indoor air at the next time step is calculated.

[0039] A preferred approach is that, in step six, the saturated water vapor pressure corresponding to the indoor dry-bulb temperature at the next moment is calculated according to the following formula;

[0040]

[0041] P ws,d (t+Δt)=100×P ws,d_1 (t+Δt);

[0042] In the formula: P ws,d_1 (t+Δt) represents the saturated water vapor pressure corresponding to the indoor dry-bulb temperature at the next moment, in hPa; P ws,d (t+Δt) represents the saturated water vapor pressure corresponding to the indoor dry-bulb temperature at the next moment, in Pa; T in (t+Δt) is the indoor dry-bulb temperature at the next moment, in °C; T1 is the triple point temperature of water, in K; c1, c2, c3, c4, c5, c6, and c7 are preset coefficients.

[0043] A preferred approach is that, in step seven, the indoor relative humidity at the next moment is calculated using the following formula; In the formula: RH(t+Δt) is the indoor relative humidity at the next moment, in %; P w (t+Δt) represents the indoor water vapor partial pressure at the next moment, in Pa; P ws,d (t+Δt) represents the saturated water vapor pressure corresponding to the indoor dry-bulb temperature at the next moment, in Pa.

[0044] A preferred approach is that, in step eight, the indoor wet-bulb temperature at the next moment is calculated using the following formula;

[0045]

[0046] In the formula: T in,s (t+Δt) represents the indoor wet-bulb temperature at the next moment, in °C; T in (t+Δt) represents the indoor dry-bulb temperature at the next moment, in °C; RH(t+Δt) represents the indoor relative humidity at the next moment, in %; τ0, A 01 B 01 B 02 B 03 A1, A2, A3, B1, and B2 are preset coefficients.

[0047] To achieve the second objective mentioned above, the present invention provides an air conditioner energy efficiency testing method, including the above-mentioned indoor temperature and humidity dynamic adjustment method.

[0048] To achieve the third objective mentioned above, the present invention provides an air conditioning energy efficiency testing system, including an air conditioning energy efficiency testing unit and a processor, wherein the processor is used to execute a program stored in a memory to implement the above-mentioned indoor temperature and humidity dynamic adjustment method.

[0049] To achieve the fourth objective mentioned above, the present invention provides a computer device including a processor, which executes a program stored in a memory to implement the above-described method for dynamic adjustment of indoor temperature and humidity.

[0050] To achieve the fifth objective mentioned above, the present invention provides a readable storage medium on which a program is stored, which, when executed by a processor, implements the above-described method for dynamic adjustment of indoor temperature and humidity. Attached Figure Description

[0051] Figure 1 This is a system block diagram of the air conditioner energy efficiency testing system of the present invention.

[0052] Figure 2 This is a flowchart of an embodiment of the air conditioner energy efficiency testing method of the present invention.

[0053] Figure 3 This is a flowchart of an embodiment of the indoor temperature and humidity dynamic adjustment method during the air conditioner energy efficiency test of the present invention.

[0054] Figure 4 This is a flowchart illustrating the calculation method for the indoor dry-bulb temperature at the next moment in an embodiment of the indoor temperature and humidity dynamic adjustment method of the present invention.

[0055] Figure 5 This is a comparison chart of the indoor dry-bulb temperature control value and the actual indoor dry-bulb temperature value in an embodiment of the indoor temperature and humidity dynamic adjustment method of the present invention.

[0056] Figure 6 This is a flowchart illustrating the calculation method for the indoor wet-bulb temperature at the next moment in an embodiment of the indoor temperature and humidity dynamic adjustment method of the present invention.

[0057] Figure 7 This is a comparison chart of the indoor wet-bulb temperature control value and the actual indoor wet-bulb temperature value in an embodiment of the indoor temperature and humidity dynamic adjustment method of the present invention.

[0058] The present invention will be further described below with reference to the accompanying drawings and embodiments. Detailed Implementation

[0059] Various exemplary embodiments of the invention will now be described in detail with reference to the accompanying drawings. The descriptions of the exemplary embodiments are merely illustrative and are in no way intended to limit the invention or its application or use. The invention can be embodied in many different forms and is not limited to the embodiments described herein. These embodiments are provided to make the invention thorough and complete, and to fully express the scope of the invention to those skilled in the art. It should be noted that, unless otherwise specifically stated, the relative arrangement of components and steps, the composition of materials, numerical expressions, and values ​​set forth in these embodiments should be interpreted as merely exemplary and not as limiting.

[0060] All terms used in this invention (including technical or scientific terms) have the same meaning as understood by one of ordinary skill in the art, unless otherwise specifically defined. It should also be understood that terms defined in general dictionaries should be interpreted as having the meaning consistent with their meaning in the context of the relevant art, and not as having an idealized or highly formalized meaning, unless expressly defined herein.

[0061] Techniques, methods, and equipment known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and equipment should be considered part of the specification.

[0062] Air conditioner energy efficiency testing methods and methods for dynamic adjustment of indoor temperature and humidity during the testing process; examples of air conditioner energy efficiency testing systems:

[0063] See Figure 1 The air conditioning energy efficiency testing system includes an air conditioning energy efficiency testing unit, an indoor temperature and humidity calculation module, an indoor temperature and humidity adjustment module, a data transmission module, and a processor. The processor is used to execute the program stored in the memory to implement the following air conditioning energy efficiency testing method. In this embodiment, the air conditioning energy efficiency testing unit is an air enthalpy difference test bench.

[0064] The data transmission module transmits the output results of the air conditioner energy efficiency testing unit to the indoor temperature and humidity calculation module, and then transmits the output results of the indoor temperature and humidity calculation module to the indoor temperature and humidity control module. Upon receiving the signal, the indoor temperature and humidity control module begins to adjust the indoor temperature and humidity. The results output by the air conditioner energy efficiency testing unit to the data transmission module include, but are not limited to, outdoor dry-bulb temperature, outdoor wet-bulb temperature, indoor dry-bulb temperature, indoor wet-bulb temperature, cooling / heating capacity, and dehumidification capacity. After receiving the above data, the indoor temperature and humidity calculation module calculates the indoor dry-bulb temperature and indoor wet-bulb temperature for the next moment according to certain algorithms, and outputs the calculation results to the indoor temperature and humidity control module. After receiving the updated values ​​of indoor dry-bulb temperature and indoor wet-bulb temperature, the indoor temperature and humidity control module adjusts the indoor dry-bulb temperature and indoor wet-bulb temperature of the air conditioner energy efficiency test unit through the adjustment mode machine. This enables the indoor temperature and humidity to change dynamically according to the actual operating status of the air conditioner. When the air conditioner is in cooling mode, the indoor dry-bulb temperature and indoor wet-bulb temperature are gradually reduced; when the air conditioner is in heating mode, the indoor dry-bulb temperature and indoor wet-bulb temperature are gradually increased. The air conditioner energy efficiency obtained from the test can reflect the true energy efficiency level of the air conditioner.

[0065] See Figure 2 The air conditioner energy efficiency testing method in this embodiment includes the following steps:

[0066] First, execute step S11, using the operating conditioner to adjust the outdoor dry-bulb temperature, outdoor wet-bulb temperature, indoor initial dry-bulb temperature, and indoor initial wet-bulb temperature.

[0067] Next, when the tolerance requirements are met, step S12 is executed to set the air conditioner's fan speed and set the temperature, and then the air conditioner is turned on to perform an energy efficiency test.

[0068] Next, step S13 is executed. During the air conditioner energy efficiency test, the indoor dry bulb temperature and indoor wet bulb temperature are dynamically adjusted according to the actual operating status of the air conditioner using the indoor temperature and humidity dynamic adjustment method.

[0069] Next, step S14 is executed to determine whether the air conditioner energy efficiency test process has ended. If the test has not ended, the indoor dry-bulb temperature and wet-bulb temperature are continuously adjusted according to a preset time interval Δt. Simultaneously, the air conditioner energy efficiency test unit continuously measures parameters such as air conditioner capacity (cooling or heating), operating power, airflow, indoor dry-bulb and wet-bulb temperatures, and dehumidification capacity. If the test has ended, step S15 is executed to collect the air conditioner capacity and power throughout the entire test cycle and calculate the dynamic energy efficiency of the air conditioner. Dynamic energy efficiency is the air conditioner energy efficiency measured while the indoor temperature and humidity dynamically change according to the actual operating state of the air conditioner, reflecting the actual energy efficiency level of the air conditioner.

[0070] See Figure 3 The method for dynamically adjusting indoor temperature and humidity includes the following steps:

[0071] First, execute step S21 to obtain the current outdoor dry-bulb temperature, the current outdoor wet-bulb temperature, the current indoor dry-bulb temperature, and the current indoor wet-bulb temperature.

[0072] Meanwhile, the air conditioner energy efficiency testing unit measures various energy efficiency parameters of the air conditioner in real time within a preset testing period. These parameters include air conditioner capacity, operating power, operating energy efficiency, air volume, dehumidification capacity, and other data.

[0073] Next, step S22 is executed. The indoor temperature and humidity calculation module calculates the indoor dry-bulb temperature and indoor wet-bulb temperature at the next preset time interval Δt based on the current outdoor dry-bulb temperature, the current outdoor wet-bulb temperature, the current indoor dry-bulb temperature, the current indoor wet-bulb temperature, and at least some of the energy efficiency parameters at the current time, and feeds them back to the indoor temperature and humidity control module.

[0074] Finally, step S23 is executed, whereby the indoor temperature and humidity control module controls the indoor operating unit and adjusts the indoor dry-bulb temperature and indoor wet-bulb temperature of the air conditioning energy efficiency test unit according to the calculated indoor dry-bulb temperature and indoor wet-bulb temperature at the next moment. Specifically, the indoor dry-bulb temperature and wet-bulb temperature are adjusted to the target values, which are the indoor dry-bulb temperature and indoor wet-bulb temperature at the next moment calculated in the previous step.

[0075] See Figure 4 The calculation method for the indoor dry-bulb temperature at the next moment includes the following steps:

[0076] First, execute step S31 to obtain the current indoor dry-bulb temperature.

[0077] Next, step S32 is executed to calculate the building heat load at the current moment based on the current indoor dry-bulb temperature.

[0078] Next, proceed to step S33 to obtain the current air conditioning operating mode and the current air conditioning capacity.

[0079] Finally, according to step S34, the indoor dry-bulb temperature at the next moment is calculated based on the current air conditioning operation mode and the current air conditioning capacity. Specifically, in cooling mode, the indoor dry-bulb temperature at the next moment is calculated according to equation (1), and in heating mode, the indoor dry-bulb temperature at the next moment is calculated according to equation (2).

[0080]

[0081] In the formula: T in (t+Δt) represents the indoor dry-bulb temperature (°C) at the next moment;

[0082] T in (t) represents the current indoor dry-bulb temperature (°C);

[0083] Q BL (t) represents the building heat load (W) at the current moment;

[0084] Q AC (t) represents the cooling or heating capacity (W) at the current moment;

[0085] HC is the total heat capacity of indoor air, interior walls and furniture surfaces (J / ℃);

[0086] Δt is the time interval (s), which can take different values, such as 5s, 10s, 15s, 20s, 25s, 30s, 35s, 40s, 45s, 50s, 55s, 60s, 120s, etc.

[0087] Wherein, the building heat load Q at the current moment BLThe calculation process for (t) is as follows:

[0088] Building heat load comprises four parts: heat conduction due to indoor-outdoor temperature difference, heat infiltration from outside air, solar radiation heat, and heat generated by equipment and people. The building heat load Q during air conditioning operation... BL Calculate Q using the following formula: BL =Q BL,1 +Q BL,2 +Q BL,3 +Q BL,4 ;

[0089] The building heat load during air conditioning heating operation is calculated using the following formula: Q BL =-Q BL,1 -Q BL,2 -Q BL,3 -Q BL,4 ;

[0090] In the formula: Q BL Building heat load (W); Q BL,1 For conducting heat due to indoor and outdoor temperature difference (W); Q BL,2 Heat of infiltration into the outside air (W); Q BL,3 Solar radiation heat (W); Q BL,4 Heat (W) generated by refrigeration equipment and the human body.

[0091] Indoor and outdoor temperature difference heat conduction Q BL,1 Calculate using the following formula:

[0092] Q BL,1 =(K c ×A c +K m ×A m +K q ×A q +K wm ×A wm )×(T out -T in );

[0093] A B =2×(L) B +W B )×H B ;

[0094] A c =A B ×β;

[0095] A m =W m ×H m ;

[0096] A q =A B -Ac -A m ;

[0097] A wm =L B ×W B ;

[0098]

[0099] A room =L B ×W B ;

[0100]

[0101] In the formula: Q BL,1 For conducting heat due to indoor and outdoor temperature difference (W); K c The heat transfer coefficient of building exterior windows (W / (m²)) 2 ·K));K m The heat transfer coefficient of the building's doors (W / (m²)) 2 ·K));K q The heat transfer coefficient of the building's exterior walls (W / (m²)) 2 ·K));K wm The heat transfer coefficient of the building roof (W / (m²)) 2 ·K));A c The area of ​​the building's exterior windows (m²) 2 A m The area of ​​the building's entrance door (m²) 2 A q The area of ​​the building's exterior walls (m²) 2 A wm The area of ​​the building roof (m²) 2 );T out Outdoor dry-bulb temperature (°C); T in Indoor dry-bulb temperature (°C); A B The total area of ​​the four facades of the building (m²) 2 );L B W is the total length of the building (m). B H is the total width of the building (m); B H represents the total height of the building (m). m The height of the door (m); W m β is the width of the entrance door (m); β is the window-to-wall ratio (the ratio of the exterior window area to the total facade area); A room The area of ​​the room (m²) 2 CC represents the rated cooling capacity (W) of the air conditioner.

[0102] external air infiltration heat Q BL,2 Calculate using the following formula:

[0103] Q BL,2 =Cp k ×ρ out ×N k ×V k ×(T out -T in );

[0104] V k = (0.1~0.6)×V B ;

[0105] V B =L B ×W B ×H B ;

[0106] Where: Cp k Let ρ be the specific heat capacity of air (W·h / (kg·K)), taken as 0.28 W·h / (kg·K); out Outdoor air density (kg / m³) 3 );N k The number of air exchanges (h) -1 );V k air exchange volume (m³) 3 ), take V k = (0.10~0.6)V B ;T out Outdoor dry-bulb temperature (°C); T in Indoor dry-bulb temperature (°C); V B Building volume (m) 3 );L B W is the total length of the building (m). B H is the total width of the building (m); B The total height of the building (m).

[0107] Solar radiation heat Q BL,3 Calculate using the following formula:

[0108]

[0109] In the formula: I E I S I W I N The average total solar radiation intensity (W / m²) for east, south, west, and north orientations. 2 );C E C S C W C N For east, south, west, and north-facing exterior windows, the solar radiation correction factor is A. cThe area of ​​the exterior window (m²) 2 ).

[0110] Refrigeration equipment and human body heat generation Q BL,4 Calculate using the following formula:

[0111] Q BL,4 =e×L B ×W B +e p ×p e ;

[0112] In the formula: e is the sum of indoor lighting power density and electrical equipment power density (W / m²). 2 );L B W is the total length of the building (m). B e is the total width of the building (m); p The average heating power per person (W / person) is taken as (70~150) W / person; p e The number of people indoors is shown in Table 1.

[0113] Table 1 Number of people indoors (p) e The value of

[0114]

[0115] After the indoor temperature and humidity calculation module calculates the indoor dry-bulb temperature control value for the next moment, it is input to the indoor temperature and humidity adjustment module through the data transmission module, and the indoor dry-bulb temperature of the air conditioner energy efficiency test unit is adjusted, thereby realizing the measurement of air conditioner energy efficiency during indoor temperature changes.

[0116] Comparison of indoor dry bulb temperature control value and actual indoor dry bulb temperature value Figure 5 As shown in the figure, the actual indoor dry-bulb temperature matches the controlled indoor dry-bulb temperature well, indicating that the proposed method can dynamically adjust the indoor dry-bulb temperature according to the actual operating status of the air conditioner.

[0117] See Figure 6 The calculation method for the indoor wet-bulb temperature at the next moment includes the following steps:

[0118] First, execute step S41, calculating the saturated vapor pressure corresponding to the current indoor dry-bulb temperature and the current indoor wet-bulb temperature. There are various models for calculating saturated vapor pressure; this invention uses the Goff Gratch formula recommended by the World Meteorological Organization as an example to calculate the saturated vapor pressure.

[0119] Specifically, the saturated water vapor pressure corresponding to the current indoor dry-bulb temperature is calculated according to equations (3) and (4), and the saturated water vapor pressure corresponding to the current indoor wet-bulb temperature is calculated according to equations (5) and (6).

[0120]

[0121] P ws,d (t)=100×P ws,d_1 (t) Equation (4);

[0122]

[0123] P ws,s (t)=100×P ws,s_1 (t) Equation (6);

[0124] In the formula: T in (t) represents the current indoor dry-bulb temperature (°C);

[0125] P ws,d_1 (t) represents the current indoor dry-bulb temperature T. in (t) corresponds to the saturated water vapor pressure (hPa);

[0126] P ws,d (t) represents the current indoor dry-bulb temperature T. in (t) corresponds to the saturated water vapor pressure (Pa);

[0127] T in,s (t) represents the current indoor wet-bulb temperature (°C);

[0128] P ws,s_1 (t) represents the current indoor wet-bulb temperature T. in,s (t) corresponds to the saturated water vapor pressure (hPa);

[0129] P ws,s (t) represents the current indoor wet-bulb temperature T. in,s (t) corresponds to the saturated water vapor pressure (Pa);

[0130] T1 is the triple point temperature of water (K), which is equal to 273.16K;

[0131] c1, c2, c3, c4, c5, c6, and c7 are preset coefficients, where c1 = 10.79574, c2 = -5.028, and c7 are preset coefficients.

[0132] c3=0.150475 / 1000, c4=0.42873 / 1000, c5=0.78614, c6=-0.82969×10,

[0133] c7 = 0.476955 × 10.

[0134] Next, the second step S42 is executed. Based on the saturated water vapor pressures calculated in the first step, and combined with the indoor dry-bulb temperature and indoor wet-bulb temperature of the air conditioning energy efficiency test unit at the current moment, the indoor relative humidity at the current moment is calculated. Specifically, the indoor relative humidity at the current moment is calculated according to equation (7).

[0135]

[0136] In the formula: RH(t) is the indoor relative humidity (%) at the current moment;

[0137] P ws,s (t) represents the current indoor wet-bulb temperature T. in,s (t) corresponds to the saturated water vapor pressure (Pa);

[0138] P air The pressure is atmospheric pressure (Pa), which is 101325 Pa.

[0139] P ws,d (t) represents the current indoor dry-bulb temperature T. in (t) corresponds to the saturated water vapor pressure (Pa);

[0140] T in (t) represents the current indoor dry-bulb temperature (°C);

[0141] T in,s (t) represents the current indoor wet-bulb temperature (°C).

[0142] Next, execute step S43, and calculate the indoor dry-bulb temperature T at the current moment based on the indoor relative humidity calculated in step two and the saturated water vapor pressure corresponding to the indoor dry-bulb temperature at the current moment. in (t) corresponds to the partial pressure of water vapor (i.e., the indoor partial pressure of water vapor at the current moment), the humidity of indoor air at the current moment, and the specific humidity of indoor air at the current moment. Specifically, the indoor partial pressure of water vapor at the current moment is calculated according to equation (8), the humidity of indoor air at the current moment is calculated according to equation (9), and the specific humidity of indoor air at the current moment is calculated according to equation (10).

[0143]

[0144]

[0145] In the formula: P w (t) represents the current indoor dry-bulb temperature T. in (t) corresponds to the partial pressure of water vapor (Pa);

[0146] RH(t) represents the indoor relative humidity (%) at the current moment;

[0147] P ws,d (t) represents the current indoor dry-bulb temperature T. in (t) corresponds to the saturated water vapor pressure (Pa);

[0148] ds(t) represents the humidity of the indoor air at the current moment (kg / kg);

[0149] P air The pressure is atmospheric pressure (Pa), which is 101325 Pa.

[0150] xs(t) represents the specific humidity of the indoor air at the current moment (kg / kg).

[0151] Next, step S44 is executed to calculate the specific humidity of the outdoor air at the current moment based on the current outdoor dry-bulb temperature and the current outdoor wet-bulb temperature. The indoor temperature and humidity calculation module obtains the current outdoor dry-bulb temperature T from the air conditioning energy efficiency test unit. out (t) and the current outdoor wet-bulb temperature T out,s (t), where T is the indoor dry-bulb temperature at the current moment in equations (3) to (10). in (t) is replaced with the current outdoor dry-bulb temperature T. out (t), where T is the indoor wet-bulb temperature at the current moment in equations (3) to (10). in,s (t) is replaced with the current outdoor wet-bulb temperature T. out,s The specific humidity of the outdoor air at the current moment can be calculated using xs0(t), which will not be elaborated here.

[0152] Next, step S45 is executed to obtain the current air conditioning dehumidification capacity. Based on the current air conditioning dehumidification capacity, the current outdoor air specific humidity, and the current indoor air specific humidity, the next indoor air specific humidity, the next indoor air moisture content, and the next indoor water vapor partial pressure are calculated. Specifically, the next indoor air specific humidity is calculated according to equation (11), the next indoor air moisture content is calculated according to equation (12), and the next indoor water vapor partial pressure is calculated according to equation (13).

[0153]

[0154]

[0155] In the formula: xs(t+Δt) is the specific humidity of the indoor air at the next moment (kg / kg);

[0156] xs(t) is the specific humidity of the indoor air at the current moment (kg / kg);

[0157] xs0(t) is the specific humidity of the outdoor air at the current moment (kg / kg);

[0158] ρ out Outdoor air density (kg / m³) 3 );

[0159] N k The number of air exchanges (h) -1 Different air exchange rates are selected for different climate zones, as shown in Table 2.

[0160] V k air exchange volume (m³) 3 ), take V k =0.10-0.6V room ;

[0161] V room The volume of the indoor room (m³) 3 );

[0162] d(t) represents the dehumidification rate (kg / h) at the current moment;

[0163] ρ in Indoor air density (kg / m³) 3 );

[0164] Δt is the time interval (s), which is the same as the time interval for adjusting the indoor dry bulb temperature. Δt can take different values, such as 5s, 10s, 15s, 20s, 25s, 30s, 35s, 40s, 45s, 50s, 55s, 60s, 120s, etc.

[0165] ds(t+Δt) is the humidity of the indoor air at the next moment (kg / kg);

[0166] P w (t+Δt) represents the indoor water vapor partial pressure (Pa) at the next moment;

[0167] P air The pressure is atmospheric pressure (Pa), which is 101325 Pa.

[0168] Table 2 Values ​​of air exchange rate

[0169] <![CDATA[Ventilation rate (h -1 )]]> 0.5 0.5 1.0 1.0 1.0

[0170] Next, proceed to step S46 to calculate the saturated vapor pressure corresponding to the indoor dry-bulb temperature at the next moment, based on the indoor dry-bulb temperature at the next moment. The saturated vapor pressure corresponding to the indoor dry-bulb temperature at the next moment is calculated using the Goff Gratch formula recommended by the World Meteorological Organization. Specifically, the saturated vapor pressure corresponding to the indoor dry-bulb temperature at the next moment is calculated according to equations (14) and (15).

[0171]

[0172] P ws,d (t+Δt)=100×P ws,d_1 (t+Δt) Equation (15);

[0173] In the formula:

[0174] P ws,d_1 (t+Δt) is the saturated water vapor pressure (hPa) corresponding to the indoor dry-bulb temperature at the next moment;

[0175] P ws,d (t+Δt) is the saturated water vapor pressure (Pa) corresponding to the indoor dry-bulb temperature at the next moment;

[0176] T in (t+Δt) represents the indoor dry-bulb temperature (°C) at the next moment;

[0177] T1 is the triple point temperature of water (K), which is equal to 273.16K;

[0178] c1, c2, c3, c4, c5, c6, and c7 are preset coefficients, with c1 = 10.79574, c2 = -5.028, c3 = 0.150475 / 1000, c4 = 0.42873 / 1000, c5 = 0.78614, c6 = -0.82969×10, and c7 = 0.476955×10.

[0179] Next, proceed to step seven, S47, and calculate the indoor relative humidity at the next moment based on the indoor water vapor partial pressure obtained in step five and the saturated water vapor pressure corresponding to the indoor dry-bulb temperature obtained in step six. Specifically, the indoor relative humidity at the next moment is calculated according to equation (16).

[0180]

[0181] In the formula:

[0182] RH(t+Δt) represents the indoor relative humidity (%) at the next moment;

[0183] P w (t+Δt) represents the indoor water vapor partial pressure (Pa) at the next moment;

[0184] P ws,d (t+Δt) is the saturated water vapor pressure (Pa) corresponding to the indoor dry-bulb temperature at the next moment.

[0185] Finally, perform step eight, S48, to calculate the indoor wet-bulb temperature at the next moment based on the indoor dry-bulb temperature at the next moment and the indoor relative humidity at the next moment obtained in step seven. Specifically, the indoor wet-bulb temperature at the next moment is calculated according to equation (17).

[0186]

[0187] In the formula:

[0188] T in,s (t+Δt) represents the indoor wet-bulb temperature (°C) at the next moment;

[0189] T in (t+Δt) represents the indoor dry-bulb temperature (°C) at the next moment;

[0190] RH(t+Δt) represents the indoor relative humidity (%) at the next moment;

[0191] τ0、A 01 B 01 B 02 B 03 A1, A2, A3, B1, and B2 are preset coefficients, and τ0 = -5.86154. 01 =0.58174, B 01 =0.1485, B 02 =-0.00191, B 03 =1.01768×10 -5 A1 = 0.0036

[0192] A2 = -9.79822 × 10 -5 A3 = 9.26824 × 10 -7 , B1=-0.00899, B2=4.38111×10 -5 .

[0193] After the indoor temperature and humidity calculation module calculates the indoor wet-bulb temperature at the next moment through the above steps, it is input to the indoor temperature and humidity adjustment module through the data transmission module, and the indoor wet-bulb temperature of the air conditioner energy efficiency test unit is adjusted, thereby realizing the measurement of air conditioner energy efficiency during the change of indoor humidity.

[0194] Comparison of indoor wet-bulb temperature control value and actual indoor wet-bulb temperature value Figure 7As shown in the figure, the actual indoor wet-bulb temperature matches the controlled indoor wet-bulb temperature well, indicating that the proposed method can dynamically adjust the indoor wet-bulb temperature according to the actual operating status of the air conditioner.

[0195] As can be seen above, during typical air conditioner cooling operation, the indoor dry-bulb and wet-bulb temperatures gradually decrease; during heating operation, they gradually increase. However, in existing air conditioner energy efficiency tests, these temperatures remain constant, which does not match actual air conditioner operation. Therefore, the testing standard does not align with the actual dynamic operating state of the air conditioner. The energy efficiency measured based on constant indoor dry-bulb and wet-bulb temperatures cannot reflect the actual energy efficiency level of the air conditioner, leading to significant differences in power consumption between prototypes with the same Level 1 energy efficiency rating during actual operation. When the indoor dry-bulb and wet-bulb temperatures dynamically change according to the actual air conditioner operation during testing, the measured energy efficiency can reflect the true energy efficiency level of the air conditioner. This invention's method for dynamically adjusting indoor temperature and humidity during air conditioner energy efficiency testing enables dynamic adjustment of indoor temperature and humidity according to the actual air conditioner operation, thereby measuring the dynamic energy efficiency of the air conditioner during dynamic changes in indoor dry-bulb and wet-bulb temperatures, reflecting the actual energy efficiency level of the air conditioner during operation.

[0196] Computer device embodiment:

[0197] The computer device of the present invention is a controller, including a processor and a memory, such as a microcontroller containing a central processing unit. Furthermore, the processor executes the computer program stored in the memory to implement the steps of the above-described indoor temperature and humidity dynamic adjustment method.

[0198] The processor can be a Central Processing Unit (CPU), or other general-purpose processors, digital signal processors (DSPs), application-specific integrated circuits (ASICs), field-programmable gate arrays (FPGAs), or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. A general-purpose processor can be a microprocessor or any conventional processor.

[0199] The memory can primarily include a program storage area and a data storage area. The program storage area can store the operating system and at least one application program required for a function (such as sound playback, image playback, etc.); the data storage area can store data created based on the use of the phone (such as audio data, phonebook, etc.). Furthermore, the memory can include high-speed random access memory, and can also include non-volatile memory, such as hard disks, RAM, plug-in hard disks, smart media cards (SMC), secure digital cards (SD cards), flash cards, at least one disk storage device, flash memory device, or other volatile solid-state storage devices.

[0200] Examples of computer-readable storage media:

[0201] The computer-readable storage medium of the present invention can be any form of storage medium that can be read by the processor of a computer device, including but not limited to non-volatile memory, volatile memory, ferroelectric memory, etc. The computer-readable storage medium stores a computer program. When the processor of the computer device reads and executes the computer program stored in the memory, the steps of the above-mentioned indoor temperature and humidity dynamic adjustment method can be implemented.

[0202] Computer programs include computer program code, which can be in the form of source code, object code, executable files, or certain intermediate forms. Computer-readable media can include: any entity or device capable of carrying computer program code, recording media, USB flash drives, portable hard drives, magnetic disks, optical disks, computer memory, read-only memory (ROM), random access memory (RAM), electrical carrier signals, telecommunication signals, and software distribution media, etc. It should be noted that the content included in computer-readable media can be appropriately added to or subtracted according to the requirements of legislation and patent practice in a jurisdiction. For example, in some jurisdictions, according to legislation and patent practice, computer-readable media do not include electrical carrier signals and telecommunication signals.

[0203] Finally, it should be emphasized that the above are merely preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention can have various changes and modifications. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A method for dynamically adjusting indoor temperature and humidity during air conditioner energy efficiency testing, characterized in that, include: Get the current outdoor dry-bulb temperature, the current outdoor wet-bulb temperature, the current indoor dry-bulb temperature, and the current indoor wet-bulb temperature; The air conditioner energy efficiency testing unit measures various energy efficiency parameters of the air conditioner in real time within a preset testing period; Based on the current outdoor dry-bulb temperature, the current outdoor wet-bulb temperature, the current indoor dry-bulb temperature, the current indoor wet-bulb temperature, and at least some of the energy efficiency parameters at the current time, calculate the indoor dry-bulb temperature and the indoor wet-bulb temperature at the next time after a preset time interval. The indoor dry-bulb temperature and indoor wet-bulb temperature of the air conditioning energy efficiency test unit are adjusted according to the indoor dry-bulb temperature and the indoor wet-bulb temperature at the next moment. The calculation method for the indoor dry-bulb temperature at the next moment includes the following steps: The building heat load at the current moment is calculated based on the current indoor dry-bulb temperature, and the indoor dry-bulb temperature at the next moment is calculated by combining the current air conditioning operation mode and the current air conditioning capacity. The method for calculating the indoor wet-bulb temperature at the next moment includes the following steps: Calculate the indoor wet-bulb temperature at the next moment based on the current dehumidification capacity of the air conditioner, the current outdoor specific humidity, the current indoor specific humidity, and the indoor dry-bulb temperature at the next moment.

2. The method for dynamic adjustment of indoor temperature and humidity during air conditioning energy efficiency testing according to claim 1, characterized in that: In cooling mode, the indoor dry-bulb temperature at the next moment is calculated using the following formula: ； In heating mode, the indoor dry-bulb temperature at the next moment is calculated using the following formula: ； In the formula: T in (t+Δt) represents the indoor dry-bulb temperature at the next moment, in °C; T in (t) represents the current indoor dry-bulb temperature, in °C; Q BL (t) represents the building heat load at the current moment, in W; Q AC (t) represents the air conditioning capacity at the current moment, in W; HC is the total heat capacity of indoor air, interior walls and furniture surfaces, expressed in J / ℃. Δt is the time interval, in seconds.

3. The method for dynamic adjustment of indoor temperature and humidity during air conditioning energy efficiency testing according to claim 2, characterized in that: In cooling mode, the building heat load is calculated using the following formula: ； In heating mode, the building heat load is calculated using the following formula: ； In the formula: Q BL Building heat load, in W; Q BL,1 Heat conduction for indoor and outdoor temperature differences, measured in W; Q BL,2 Heat of infiltration into the outside air, measured in W; Q BL,3 Solar radiation heat, measured in W; Q BL,4 Heat generated by refrigeration equipment and the human body is measured in W.

4. The method for dynamic adjustment of indoor temperature and humidity during air conditioning energy efficiency testing according to claim 3, characterized in that: Indoor and outdoor temperature difference heat conduction Q BL,1 Calculate using the following formula: ; ; ; ; ; ; ; ; ; In the formula: Q BL,1 Heat conduction for indoor and outdoor temperature differences, measured in W; K c The heat transfer coefficient of a building's exterior windows, expressed in W / (m²). 2 ·K); K m The heat transfer coefficient of a building's entrance door, expressed in W / (m²). 2 ·K); K q The heat transfer coefficient of the building's exterior walls, expressed in W / (m²). 2 ·K); K wm The heat transfer coefficient of the building roof, expressed in W / (m²). 2 ·K); A c The area of ​​the building's exterior windows, in square meters. 2 ; A m This refers to the area of ​​the building's entrance doors, in square meters (m²). 2 ; A q This refers to the area of ​​the building's exterior walls, in square meters (m²). 2 ; A wm This refers to the area of ​​the building's roof, expressed in square meters (m²). 2 ; T out The outdoor dry-bulb temperature is expressed in °C. T in The indoor dry-bulb temperature is expressed in °C. A B The total area of ​​the building's four facades, in square meters. 2 ; L B The total length of the building, in meters; W B The total width of the building, in meters; H B The total height of the building, in meters (m). H m The height of the door is in meters (m). W m The width of the door is in meters (m). The window-to-wall ratio is the ratio of the area of ​​the exterior windows to the total area of ​​the facade. A room The area of ​​the room is expressed in square meters (m²). 2 ; CC represents the rated cooling capacity of the air conditioner, measured in W.

5. The method for dynamic adjustment of indoor temperature and humidity during air conditioning energy efficiency testing according to claim 3, characterized in that: external air infiltration heat Q BL,2 Calculate using the following formula: ； ； ； In the formula: Cp k The specific heat capacity of air is expressed in W·h / (kg·K), and is taken as 0.28 W·h / (kg·K). out Outdoor air density, unit: kg / m³ 3 ; N k The number of air exchanges is expressed in hours (h). -1 ; V k The ventilation volume is expressed in cubic meters (m³). 3 Take V k =(0.10~0.6) V B ; T out The outdoor dry-bulb temperature is expressed in °C. T in The indoor dry-bulb temperature is expressed in °C. V B The volume of the building is expressed in meters (m). 3 ; L B The total length of the building, in meters; W B The total width of the building, in meters; H B The total height of the building is expressed in meters (m).

6. The method for dynamic adjustment of indoor temperature and humidity during air conditioning energy efficiency testing according to claim 3, characterized in that: Solar radiation heat Q BL,3 Calculate using the following formula: ； In the formula: I E I S I W I N The average total solar radiation intensity for east, south, west, and north directions is expressed in W / m². 2 ; C E C S C W C N The correction factor for solar radiation of exterior windows facing east, south, west, and north; A c The area of ​​the exterior window is expressed in square meters (m²). 2 .

7. The method for dynamic adjustment of indoor temperature and humidity during air conditioning energy efficiency testing according to claim 3, characterized in that: Refrigeration equipment and human body heat generation Q BL,4 Calculate using the following formula: ； In the formula: e is the sum of indoor lighting power density and electrical equipment power density, with units of W / m². 2 ; L B The total length of the building, in meters; W B The total width of the building, in meters; e p This refers to the average heating power per person, expressed in W / person. p e The number of people in the room is expressed in person.

8. The method for dynamic adjustment of indoor temperature and humidity during air conditioning energy efficiency testing according to any one of claims 1 to 7, characterized in that: The method for calculating the indoor wet-bulb temperature at the next moment includes the following steps: The first step is to calculate the saturated vapor pressure corresponding to the current indoor dry-bulb temperature and the current indoor wet-bulb temperature, based on the current indoor dry-bulb temperature and the current indoor wet-bulb temperature. The second step is to calculate the indoor relative humidity at the current moment based on the saturated water vapor pressures obtained in the first step, and in conjunction with the current indoor dry-bulb temperature and the current indoor wet-bulb temperature. The third step is to calculate the indoor water vapor partial pressure, indoor air moisture content, and indoor air specific humidity at the current time based on the indoor relative humidity and the saturated water vapor pressure corresponding to the indoor dry-bulb temperature at the current time. The fourth step is to calculate the specific humidity of the outdoor air at the current moment based on the current outdoor dry-bulb temperature and the current outdoor wet-bulb temperature. The fifth step is to obtain the current dehumidification capacity of the air conditioner, and based on the current dehumidification capacity of the air conditioner, the current outdoor air specific humidity, and the current indoor air specific humidity, calculate the indoor air specific humidity, the indoor air moisture content, and the indoor water vapor partial pressure at the next moment. Step 6: Calculate the saturated water vapor pressure corresponding to the indoor dry-bulb temperature at the next moment, based on the indoor dry-bulb temperature at the next moment. Step 7: Calculate the indoor relative humidity at the next moment based on the indoor water vapor partial pressure at the next moment obtained in Step 5 and the saturated water vapor pressure corresponding to the indoor dry-bulb temperature at the next moment obtained in Step 6. Step 8: Calculate the indoor wet-bulb temperature at the next moment based on the indoor dry-bulb temperature at the next moment and the indoor relative humidity at the next moment obtained in Step 7.

9. The method for dynamic adjustment of indoor temperature and humidity during air conditioning energy efficiency testing according to claim 8, characterized in that: In the first step, the saturated water vapor pressure corresponding to the current indoor dry-bulb temperature is calculated according to the following formula: ； ； The saturated water vapor pressure corresponding to the current indoor wet-bulb temperature is calculated using the following formula: ； ； In the formula: P ws,d_1 (t) represents the current indoor dry-bulb temperature T. in (t) represents the saturated water vapor pressure, in hPa. P ws,d (t) represents the current indoor dry-bulb temperature T. in (t) represents the saturated water vapor pressure, in Pa. T in (t) represents the current indoor dry-bulb temperature, in °C; P ws,s_1 (t) represents the current indoor wet-bulb temperature T. in,s (t) represents the saturated water vapor pressure, in hPa. P ws,s (t) represents the current indoor wet-bulb temperature T. in,s (t) represents the saturated water vapor pressure, in Pa. T in,s (t) represents the current indoor wet-bulb temperature, in °C; T1 is the triple point temperature of water, in K. c1, c2, c3, c4, c5, c6, and c7 are preset coefficients.

10. The method for dynamic adjustment of indoor temperature and humidity during air conditioning energy efficiency testing according to claim 8, characterized in that: In the second step, the indoor relative humidity at the current moment is calculated according to the following formula; ； In the formula: RH(t) represents the indoor relative humidity at the current moment, expressed in % %. P ws,s (t) represents the current indoor wet-bulb temperature T. in,s (t) represents the saturated water vapor pressure, in Pa. P air Atmospheric pressure, unit: Pa; P ws,d (t) represents the current indoor dry-bulb temperature T. in (t) represents the saturated water vapor pressure, in Pa. T in (t) represents the current indoor dry-bulb temperature, in °C; T in,s (t) represents the current indoor wet-bulb temperature, in °C.

11. The method for dynamic adjustment of indoor temperature and humidity during air conditioning energy efficiency testing according to claim 8, characterized in that: In the third step, the indoor water vapor partial pressure P at the current moment w (t), in Pa, is calculated using the following formula; ; In the formula: RH(t) represents the indoor relative humidity at the current moment, expressed in % %. P ws,d (t) represents the current indoor dry-bulb temperature T. in (t) represents the saturated water vapor pressure, expressed in Pa.

12. The method for dynamic adjustment of indoor temperature and humidity during air conditioning energy efficiency testing according to claim 11, characterized in that: In the third step, the humidity of the indoor air at the current moment is calculated according to the following formula; ； In the formula: ds(t) represents the humidity of the indoor air at the current moment, in kg / kg; P air Atmospheric pressure, unit: Pa.

13. The method for dynamic adjustment of indoor temperature and humidity during air conditioning energy efficiency testing according to claim 12, characterized in that: In the third step, the specific humidity of the indoor air at the current moment, xs(t), is expressed in kg / kg and is calculated according to the following formula; 。 14. The method for dynamic adjustment of indoor temperature and humidity during air conditioning energy efficiency testing according to claim 8, characterized in that: In the fifth step, the specific humidity of the indoor air at the next moment is calculated according to the following formula: ； In the formula: xs(t+Δt) is the specific humidity of the indoor air at the next moment, in kg / kg; xs(t) represents the specific humidity of the indoor air at the current moment, in kg / kg. xs0 represents the specific humidity of the outdoor air at the current moment, in kg / kg. "out" refers to the outdoor air density, measured in kg / m³. 3 ; N k The number of air exchanges is expressed in hours (h). -1 ; V k The ventilation volume is expressed in cubic meters (m³). 3 Take V k =0.10-0.6V room ; V room This refers to the volume of the indoor room, in meters (m). 3 ; d(t) represents the dehumidification rate at the current moment, in kg / h. in Indoor air density, unit: kg / m³ 3 ; Δt is the time interval in seconds, which is the same as the time interval for adjusting the indoor dry-bulb temperature.

15. The method for dynamic adjustment of indoor temperature and humidity during air conditioning energy efficiency testing according to claim 14, characterized in that: In the fifth step, the humidity of the indoor air at the next moment, ds(t+Δt), in kg / kg, is calculated according to the following formula: 。 16. The method for dynamic adjustment of indoor temperature and humidity during air conditioning energy efficiency testing according to claim 15, characterized in that: In the fifth step, the indoor water vapor partial pressure at the next moment is calculated according to the following formula; ； In the formula: P w (t+Δt) represents the indoor water vapor partial pressure at the next moment, in Pa; P air Atmospheric pressure, unit: Pa.

17. The method for dynamic adjustment of indoor temperature and humidity during air conditioning energy efficiency testing according to claim 8, characterized in that: In the sixth step, the saturated water vapor pressure corresponding to the indoor dry-bulb temperature at the next moment is calculated according to the following formula; ； ； In the formula: P ws,d_1 (t+Δt) is the saturated water vapor pressure corresponding to the indoor dry-bulb temperature at the next moment, in hPa; P ws,d (t+Δt) is the saturated water vapor pressure corresponding to the indoor dry-bulb temperature at the next moment, in Pa; T in (t+Δt) represents the indoor dry-bulb temperature at the next moment, in °C; T1 is the triple point temperature of water, in K. c1, c2, c3, c4, c5, c6, and c7 are preset coefficients.

18. The method for dynamic adjustment of indoor temperature and humidity during air conditioning energy efficiency testing according to claim 8, characterized in that: In the seventh step, the indoor relative humidity at the next moment is calculated according to the following formula; ； In the formula: RH(t+Δt) represents the indoor relative humidity at the next moment, expressed in % %. P w (t+Δt) represents the indoor water vapor partial pressure at the next moment, in Pa; P ws,d (t+Δt) represents the saturated water vapor pressure corresponding to the indoor dry-bulb temperature at the next moment, in Pa.

19. The method for dynamic adjustment of indoor temperature and humidity during air conditioning energy efficiency testing according to claim 8, characterized in that: In the eighth step, the indoor wet-bulb temperature at the next moment is calculated according to the following formula; ； In the formula: T in,s (t+Δt) represents the indoor wet-bulb temperature at the next moment, in °C. T in (t+Δt) represents the indoor dry-bulb temperature at the next moment, in °C; RH(t+Δt) represents the indoor relative humidity at the next moment, expressed in % %. 0, A 01 B 01 B 02 B 03 A1, A2, A3, B1, and B2 are preset coefficients.

20. An air conditioner energy efficiency testing method, characterized in that, Including the indoor temperature and humidity dynamic adjustment method as described in any one of claims 1 to 19.

21. An air conditioning energy efficiency testing system, comprising an air conditioning energy efficiency testing unit and a processor, characterized in that, When the processor executes a program stored in the memory, it implements the indoor temperature and humidity dynamic adjustment method as described in any one of claims 1 to 19.

22. A computer device, characterized in that: The computer device includes a processor that executes a program stored in a memory to implement the indoor temperature and humidity dynamic adjustment method as described in any one of claims 1 to 19.

23. A readable storage medium having a program stored thereon, characterized in that: When the program is executed by the processor, it implements the indoor temperature and humidity dynamic adjustment method as described in any one of claims 1 to 19.

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