Defrosting method of air energy heat pump evaporator

Abstract

The invention discloses a defrosting method for an air energy heat pump evaporator, relates to the field of equipment control, solves the problem that an existing defrosting method for the air energy heat pump evaporator is poor in defrosting effect, and comprises the steps that S1, a periodic temperature monitoring coefficient and a periodic humidity monitoring coefficient are obtained respectively, periodic physical index monitoring data are obtained, and the periodic physical index monitoring data are stored in a database; s2, dividing the air energy heat pump evaporator into a first operation state and a second operation state by analyzing the periodic physical index monitoring data to obtain equipment state division data, and S3, performing intelligent defrosting on the air energy heat pump evaporator according to the equipment state division data. The flexibility of the defrosting method of the air energy heat pump evaporator can be effectively guaranteed, and the defrosting effect is further guaranteed.

Description

Technical Field

[0001] The invention belongs to the field of equipment control and relates to data analysis technology, in particular to a defrosting method for an air energy heat pump evaporator. Background Art

[0002] The existing air energy heat pump evaporator defrosting method has the following specific defects during the defrosting process: 1. Existing defrosting methods for air-to-energy heat pump evaporators often lack flexibility and cannot automatically adjust defrosting strategies according to real-time environmental changes, resulting in poor results; 2. The existing defrosting method for air-energy heat pump evaporators often performs manual defrosting according to a fixed defrosting time cycle, which results in a certain time lag in the defrosting process.

[0003] Therefore, we propose a defrosting method for an air energy heat pump evaporator. Summary of the invention

[0004] In view of the deficiencies in the prior art, an object of the present invention is to provide a defrosting method for an air energy heat pump evaporator. The present invention aims to improve the working flexibility of the defrosting method for an air energy heat pump evaporator.

[0005] In order to achieve the above object, the present invention adopts the following technical solution: a defrosting method for an air energy heat pump evaporator, comprising the following specific steps: Step S1: obtaining a physical data monitoring cycle, monitoring the temperature data of the air energy heat pump evaporator in the physical data monitoring cycle to obtain the periodic temperature monitoring coefficient, monitoring the humidity data of the air energy heat pump evaporator in the physical data monitoring cycle to obtain the periodic humidity monitoring coefficient, and obtaining periodic physical indicator monitoring data; Step S2: obtaining the equipment state division coefficient by analyzing the periodic physical indicator monitoring data, obtaining the equipment state division coefficient threshold and performing numerical comparison with the equipment state division coefficient, and dividing the air energy heat pump evaporator into a first operating state and a second operating state according to the numerical comparison result to obtain equipment state division data; Step S3: Intelligently defrost the air energy heat pump evaporator according to the equipment status classification data.

[0006] The step S1 further includes the following specific steps: Step S11: marking a physical data monitoring cycle during the period when the air energy heat pump evaporator is in the working state; Step S12: monitoring the temperature data of the air energy heat pump evaporator in the physical data monitoring cycle to obtain a periodic temperature monitoring coefficient; Step S13: monitoring humidity data of the air energy heat pump evaporator in the physical data monitoring cycle to obtain a periodic humidity monitoring coefficient; Step S14: defining the periodic temperature monitoring coefficient and the periodic humidity monitoring coefficient as periodic physical indicator monitoring data.

[0007] Furthermore, the step S12 further includes the following specific steps: Step S121: randomly selecting a number of temperature monitoring time points within the physical data monitoring cycle, and marking the selected temperature monitoring time points in chronological order as the first temperature monitoring time point to the ath temperature monitoring time point; Step S122: obtaining the first defrost area temperature coefficient; Step S123: respectively acquiring the defrost region temperature coefficients corresponding to the second temperature monitoring time point to the ath temperature monitoring time point, to obtain the second defrost region temperature coefficient to the ath defrost region temperature coefficient; Step S124: obtaining the temperature coefficient of the first environment area; Step S125: respectively acquiring the temperature coefficients of the environmental areas corresponding to the second temperature monitoring time point to the ath temperature monitoring time point, to obtain the temperature coefficients of the second environmental area to the ath environmental area; Step S126: Calculating the temperature coefficient of the first defrost area to the temperature coefficient of the ath defrost area and the temperature coefficient of the first environmental area to the temperature coefficient of the ath environmental area to obtain a periodic temperature monitoring coefficient; The cycle temperature monitoring coefficient is calculated, and the specific formula is as follows: ; Among them, Wzx is the periodic temperature monitoring coefficient, Xwsi is the temperature coefficient of the i-th defrost area, Hwsi is the temperature coefficient of the i-th environmental area, and a is the quantity value corresponding to the temperature monitoring time point.

[0008] Furthermore, the step S122 further includes the following specific steps: Step S1221: setting a plurality of temperature monitoring points in the defrosting area of ​​the air energy heat pump evaporator, respectively obtaining the temperature value of each temperature monitoring point at the first temperature monitoring time point, and obtaining the temperature values ​​of the plurality of monitoring points; Step S1222: Calculate the average of the temperature values ​​of the multiple monitoring points to obtain the average temperature value of the defrost area; Step S1223: performing variance calculation on the temperature values ​​of the multiple monitoring points obtained to obtain the defrost area temperature variance; Step S1224: Calculate the defrost area temperature coefficient corresponding to the first temperature monitoring time point by using the defrost area average temperature value and the defrost area temperature variance, and name it the first defrost area temperature coefficient; Calculate the temperature coefficient of the first defrost area. The specific formula is as follows: ; Among them, Xwx1 is the temperature coefficient of the first defrost area, Wsp is the average temperature value of the defrost area, and Wsf is the temperature variance of the defrost area.

[0009] Furthermore, the step S124 further includes the following specific steps: Step S1241: setting a plurality of temperature monitoring points in the environment area of ​​the air energy heat pump evaporator, respectively obtaining the temperature value of each temperature monitoring point at the first temperature monitoring time point, and obtaining the temperature values ​​of the plurality of monitoring points; Step S1242: Calculate the average of the temperature values ​​of the multiple monitoring points to obtain the average temperature value of the environmental area; Step S1243: performing variance calculation on the temperature values ​​of the multiple monitoring points obtained to obtain the temperature variance of the environmental area; Step S1244: obtaining the temperature coefficient of the environment area corresponding to the first temperature monitoring time point by calculating the average temperature value of the environment area and the temperature variance of the environment area, and naming it the first temperature coefficient of the environment area; Calculate the temperature coefficient of the first environmental area. The specific formula is as follows: ; Among them, Hwx1 is the temperature coefficient of the first environmental area, Whp is the average temperature value of the environmental area, and WHF is the temperature variance of the environmental area.

[0010] Furthermore, the step S13 further includes the following specific steps: Step S131: randomly selecting a number of humidity monitoring time points within the physical data monitoring cycle, and marking the selected humidity monitoring time points in chronological order as the first humidity monitoring time point to the bth humidity monitoring time point; Step S132: obtaining the humidity coefficient of the first defrost area; Step S133: respectively acquiring the defrost area humidity coefficients corresponding to the second humidity monitoring time point to the bth humidity monitoring time point, to obtain the second defrost area humidity coefficient to the bth defrost area humidity coefficient; Step S134: obtaining the humidity coefficient of the first environmental area; Step S135: respectively acquiring the humidity coefficients of the environmental areas corresponding to the second humidity monitoring time point to the bth humidity monitoring time point, to obtain the humidity coefficients of the second environmental area to the bth environmental area; Step S136: Calculating the humidity coefficient of the first defrost area to the humidity coefficient of the bth defrost area and the humidity coefficient of the first environmental area to the humidity coefficient of the bth environmental area to obtain a periodic humidity monitoring coefficient; The periodic humidity monitoring coefficient is calculated as follows: ; Among them, Szx is the periodic humidity monitoring coefficient, Xssi is the humidity coefficient of the i-th defrost area, Hssi is the humidity coefficient of the i-th environmental area, and b is the quantitative value corresponding to the humidity monitoring time point.

[0011] Furthermore, the step S132 further includes the following specific steps: Step S1321: multiple humidity monitoring points are set in the defrosting area of ​​the air energy heat pump evaporator, and the humidity value of each humidity monitoring point at the first humidity monitoring time point is obtained to obtain the humidity values ​​of multiple monitoring points; Step S1322: Calculate the average of the humidity values ​​of the multiple monitoring points to obtain the average humidity value of the defrost area; Step S1323: Calculate the variance of the humidity values ​​of the multiple monitoring points obtained to obtain the humidity variance of the defrost area; Step S1324: Calculate the defrost area humidity coefficient corresponding to the first humidity monitoring time point by using the defrost area average humidity value and the defrost area humidity variance, and name it the first defrost area humidity coefficient; Calculate the humidity coefficient of the first defrost area. The specific formula is as follows: ; Among them, Xsx1 is the humidity coefficient of the first defrost area, Ssp is the average humidity value of the defrost area, and Ssf is the humidity variance of the defrost area.

[0012] Furthermore, the step S134 further includes the following specific steps: Step S1341: multiple humidity monitoring points are set in the environment area of ​​the air energy heat pump evaporator, and the humidity value of each humidity monitoring point at the first humidity monitoring time point is obtained to obtain the humidity values ​​of multiple monitoring points; Step S1342: Calculate the average of the humidity values ​​of the multiple monitoring points to obtain the average humidity value of the environmental area; Step S1343: performing variance calculation on the humidity values ​​of the multiple monitoring points obtained to obtain the humidity variance of the environmental area; Step S1344: obtaining the humidity coefficient of the environment area corresponding to the first humidity monitoring time point by calculating the average humidity value of the environment area and the humidity variance of the environment area, and naming it the first humidity coefficient of the environment area; Calculate the humidity coefficient of the first environmental area. The specific formula is as follows: ; Among them, Hsx1 is the humidity coefficient of the first environmental area, Shp is the average humidity value of the environmental area, and Shf is the humidity variance of the environmental area.

[0013] Furthermore, the step S2 further includes the following specific steps: Step S21: acquiring periodic physical indicator monitoring data, and acquiring a periodic humidity monitoring coefficient and a periodic temperature monitoring coefficient respectively according to the periodic physical indicator monitoring data; Step S22: Calculate the equipment status division coefficient. The specific formula is as follows: ; Among them, Shx is the equipment status division coefficient, Szx is the periodic humidity monitoring coefficient, and Wzx is the periodic temperature monitoring coefficient; Step S23: obtaining a device state division coefficient threshold, performing a numerical comparison between the device state division coefficient threshold and the device state division coefficient, and dividing the air energy heat pump evaporator into a first operating state and a second operating state according to the numerical comparison result to obtain device state division data; The step S23 further includes the following specific steps: Step S231: respectively obtaining a periodic humidity monitoring coefficient threshold and a periodic temperature monitoring coefficient threshold; Step S232: Calculating the periodic humidity monitoring coefficient threshold and the periodic temperature monitoring coefficient threshold to obtain the device state division coefficient threshold; The device status division coefficient threshold is calculated, and the specific formula is as follows: ; Among them, Shxy is the equipment status division coefficient threshold, Szsy is the periodic humidity monitoring coefficient threshold, and Wzsy is the periodic temperature monitoring coefficient threshold; Step S233: if the periodic humidity monitoring coefficient is less than the periodic humidity monitoring coefficient threshold, the device state division coefficient is divided into the first operating state; Step S234: If the periodic humidity monitoring coefficient is greater than or equal to the periodic humidity monitoring coefficient threshold, the device state division coefficient is divided into the second operating state.

[0014] Furthermore, the step S3 further includes the following specific steps: Step S31: Acquire device status classification data, and acquire the air energy heat pump evaporator in the first operating state and the second operating state respectively according to the device status classification data; Step S32: if the air energy heat pump evaporator is in the first operating state, the air energy heat pump evaporator heat pump stops heating, reversely circulates the coolant, and releases heat to the evaporator; Step S33: If the air energy heat pump evaporator is in the second operating state, the air energy heat pump evaporator heat pump absorbs heat from the outside air, passes through the compressor refrigerant, and then releases the heat to the room.

[0015] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are: 1. The present invention obtains a physical data monitoring cycle, performs temperature data monitoring on the air energy heat pump evaporator in the physical data monitoring cycle to obtain a periodic temperature monitoring coefficient, performs humidity data monitoring on the air energy heat pump evaporator in the physical data monitoring cycle to obtain a periodic humidity monitoring coefficient, and comprehensively analyzes the periodic temperature monitoring coefficient and the periodic humidity monitoring coefficient to perform defrosting control on the air energy heat pump evaporator, which can effectively ensure the flexibility of the defrosting process; 2. The present invention obtains the equipment state division coefficient by analyzing the periodic physical indicator monitoring data, obtains the equipment state division coefficient threshold and performs numerical comparison with the equipment state division coefficient, divides the air energy heat pump evaporator into a first operating state and a second operating state according to the numerical comparison result, obtains the equipment state division data, and performs intelligent defrosting on the air energy heat pump evaporator according to the equipment state division data, which can effectively improve the accuracy of time control of the defrosting process and further ensure the defrosting effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to facilitate understanding by those skilled in the art, the present invention is further described below with reference to the accompanying drawings.

[0017] Figure 1 It is a diagram of the implementation steps of the present invention; Figure 2 It is the overall system block diagram of the present invention. DETAILED DESCRIPTION

[0018] The technical solution of the present invention will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] Embodiment 1 See also Figure 1The present invention provides a technical solution: a defrosting method for an air energy heat pump evaporator, comprising the following specific steps: Step S1: obtaining a physical data monitoring cycle, monitoring the temperature data of the air energy heat pump evaporator in the physical data monitoring cycle to obtain the periodic temperature monitoring coefficient, monitoring the humidity data of the air energy heat pump evaporator in the physical data monitoring cycle to obtain the periodic humidity monitoring coefficient, and obtaining periodic physical indicator monitoring data; The step S1 further includes the following specific steps: Step S11: In the period when the air-to-energy heat pump evaporator is in the working state, the time value corresponding to the current moment is marked as the first working characteristic time point, in the period before the first working characteristic time point, a second working characteristic time point is marked, and the period between the first working characteristic time point and the second working characteristic time point is marked as the physical data monitoring period; Step S12: monitoring the temperature data of the air energy heat pump evaporator in the physical data monitoring cycle to obtain a periodic temperature monitoring coefficient; The step S12 further includes the following specific steps: Step S121: randomly selecting a number of temperature monitoring time points within the physical data monitoring cycle, and marking the selected temperature monitoring time points in chronological order as the first temperature monitoring time point to the ath temperature monitoring time point; Step S122: obtaining the first defrost area temperature coefficient; The step S122 further includes the following specific steps: Step S1221: setting a plurality of temperature monitoring points in the defrosting area of ​​the air energy heat pump evaporator, respectively obtaining the temperature value of each temperature monitoring point at the first temperature monitoring time point, and obtaining the temperature values ​​of the plurality of monitoring points; Step S1222: Calculate the average of the temperature values ​​of the multiple monitoring points to obtain the average temperature value of the defrost area; Step S1223: performing variance calculation on the temperature values ​​of the multiple monitoring points obtained to obtain the defrost area temperature variance; Step S1224: Calculate the defrost area temperature coefficient corresponding to the first temperature monitoring time point by using the defrost area average temperature value and the defrost area temperature variance, and name it the first defrost area temperature coefficient; Calculate the temperature coefficient of the first defrost area. The specific formula is as follows: ; Among them, Xwx1 is the temperature coefficient of the first defrost area, Wsp is the average temperature value of the defrost area, and Wsf is the temperature variance of the defrost area; Step S123: respectively acquiring the defrost region temperature coefficients corresponding to the second temperature monitoring time point to the ath temperature monitoring time point, to obtain the second defrost region temperature coefficient to the ath defrost region temperature coefficient; Step S124: obtaining the temperature coefficient of the first environment area; The step S124 further includes the following specific steps: Step S1241: setting a plurality of temperature monitoring points in the environment area of ​​the air energy heat pump evaporator, respectively obtaining the temperature value of each temperature monitoring point at the first temperature monitoring time point, and obtaining the temperature values ​​of the plurality of monitoring points; Step S1242: Calculate the average of the temperature values ​​of the multiple monitoring points to obtain the average temperature value of the environmental area; Step S1243: performing variance calculation on the temperature values ​​of the multiple monitoring points obtained to obtain the temperature variance of the environmental area; Step S1244: obtaining the temperature coefficient of the environment area corresponding to the first temperature monitoring time point by calculating the average temperature value of the environment area and the temperature variance of the environment area, and naming it the first temperature coefficient of the environment area; Calculate the temperature coefficient of the first environmental area. The specific formula is as follows: ; Among them, Hwx1 is the temperature coefficient of the first environmental area, Whp is the average temperature value of the environmental area, and WHF is the temperature variance of the environmental area; Step S125: respectively acquiring the temperature coefficients of the environmental areas corresponding to the second temperature monitoring time point to the ath temperature monitoring time point, to obtain the temperature coefficients of the second environmental area to the ath environmental area; Step S126: Calculating the temperature coefficient of the first defrost area to the temperature coefficient of the ath defrost area and the temperature coefficient of the first environmental area to the temperature coefficient of the ath environmental area to obtain a periodic temperature monitoring coefficient; The cycle temperature monitoring coefficient is calculated, and the specific formula is as follows: ; Among them, Wzx is the periodic temperature monitoring coefficient, Xwsi is the temperature coefficient of the i-th defrost area, Hwsi is the temperature coefficient of the i-th environmental area, and a is the quantity value corresponding to the temperature monitoring time point; Step S13: monitoring humidity data of the air energy heat pump evaporator in the physical data monitoring cycle to obtain a periodic humidity monitoring coefficient; The step S13 further includes the following specific steps: Step S131: randomly selecting a number of humidity monitoring time points within the physical data monitoring cycle, and marking the selected humidity monitoring time points in chronological order as the first humidity monitoring time point to the bth humidity monitoring time point; Step S132: obtaining the humidity coefficient of the first defrost area; The step S132 further includes the following specific steps: Step S1321: multiple humidity monitoring points are set in the defrosting area of ​​the air energy heat pump evaporator, and the humidity value of each humidity monitoring point at the first humidity monitoring time point is obtained to obtain the humidity values ​​of multiple monitoring points; Step S1322: Calculate the average of the humidity values ​​of the multiple monitoring points to obtain the average humidity value of the defrost area; Step S1323: Calculate the variance of the humidity values ​​of the multiple monitoring points obtained to obtain the humidity variance of the defrost area; Step S1324: Calculate the defrost area humidity coefficient corresponding to the first humidity monitoring time point by using the defrost area average humidity value and the defrost area humidity variance, and name it the first defrost area humidity coefficient; Calculate the humidity coefficient of the first defrost area. The specific formula is as follows: ; Among them, Xsx1 is the humidity coefficient of the first defrost area, Ssp is the average humidity value of the defrost area, and Ssf is the humidity variance of the defrost area; Step S133: respectively acquiring the defrost area humidity coefficients corresponding to the second humidity monitoring time point to the bth humidity monitoring time point, to obtain the second defrost area humidity coefficient to the bth defrost area humidity coefficient; Step S134: obtaining the humidity coefficient of the first environmental area; The step S134 further includes the following specific steps: Step S1341: multiple humidity monitoring points are set in the environment area of ​​the air energy heat pump evaporator, and the humidity value of each humidity monitoring point at the first humidity monitoring time point is obtained to obtain the humidity values ​​of multiple monitoring points; Step S1342: Calculate the average of the humidity values ​​of the multiple monitoring points to obtain the average humidity value of the environmental area; Step S1343: performing variance calculation on the humidity values ​​of the multiple monitoring points obtained to obtain the humidity variance of the environmental area; Step S1344: obtaining the humidity coefficient of the environment area corresponding to the first humidity monitoring time point by calculating the average humidity value of the environment area and the humidity variance of the environment area, and naming it the first humidity coefficient of the environment area; Calculate the humidity coefficient of the first environmental area. The specific formula is as follows: ; Among them, Hsx1 is the humidity coefficient of the first environmental area, Shp is the average humidity value of the environmental area, and Shf is the humidity variance of the environmental area; Step S135: respectively acquiring the humidity coefficients of the environmental areas corresponding to the second humidity monitoring time point to the bth humidity monitoring time point, to obtain the humidity coefficients of the second environmental area to the bth environmental area; Step S136: Calculating the humidity coefficient of the first defrost area to the humidity coefficient of the bth defrost area and the humidity coefficient of the first environmental area to the humidity coefficient of the bth environmental area to obtain a periodic humidity monitoring coefficient; The periodic humidity monitoring coefficient is calculated as follows: ; Among them, Szx is the periodic humidity monitoring coefficient, Xssi is the humidity coefficient of the i-th defrost area, Hssi is the humidity coefficient of the i-th environmental area, and b is the quantity value corresponding to the humidity monitoring time point; Step S14: defining the periodic temperature monitoring coefficient and the periodic humidity monitoring coefficient as periodic physical indicator monitoring data; Step S2: obtaining the equipment state division coefficient by analyzing the periodic physical indicator monitoring data, obtaining the equipment state division coefficient threshold and performing numerical comparison with the equipment state division coefficient, and dividing the air energy heat pump evaporator into a first operating state and a second operating state according to the numerical comparison result to obtain equipment state division data; The step S2 further includes the following specific steps: Step S21: acquiring periodic physical indicator monitoring data, and acquiring a periodic humidity monitoring coefficient and a periodic temperature monitoring coefficient respectively according to the periodic physical indicator monitoring data; Step S22: obtaining an equipment state division coefficient by calculating the periodic humidity monitoring coefficient and the periodic temperature monitoring coefficient; The equipment status division coefficient is calculated as follows: ; Among them, Shx is the equipment status division coefficient, Szx is the periodic humidity monitoring coefficient, and Wzx is the periodic temperature monitoring coefficient; Step S23: obtaining a device state division coefficient threshold, performing a numerical comparison between the device state division coefficient threshold and the device state division coefficient, and dividing the air energy heat pump evaporator into a first operating state and a second operating state according to the numerical comparison result to obtain device state division data; The step S23 further includes the following specific steps: Step S231: respectively obtaining a periodic humidity monitoring coefficient threshold and a periodic temperature monitoring coefficient threshold; Step S232: Calculating the periodic humidity monitoring coefficient threshold and the periodic temperature monitoring coefficient threshold to obtain the device state division coefficient threshold; The device status division coefficient threshold is calculated, and the specific formula is as follows: ; Among them, Shxy is the equipment status division coefficient threshold, Szsy is the periodic humidity monitoring coefficient threshold, and Wzsy is the periodic temperature monitoring coefficient threshold; Step S233: if the periodic humidity monitoring coefficient is less than the periodic humidity monitoring coefficient threshold, the device state division coefficient is divided into the first operating state; Step S234: if the periodic humidity monitoring coefficient is greater than or equal to the periodic humidity monitoring coefficient threshold, the device state division coefficient is divided into the second operating state; Step S3: Intelligently defrosting the air energy heat pump evaporator according to the equipment status classification data; The step S3 further includes the following specific steps: Step S31: Acquire device status classification data, and acquire the air energy heat pump evaporator in the first operating state and the second operating state respectively according to the device status classification data; Step S32: if the air energy heat pump evaporator is in the first operating state, the air energy heat pump evaporator heat pump stops heating, reversely circulates the coolant, releases heat to the evaporator, and melts the frost layer; Step S33: If the air energy heat pump evaporator is in the second operating state, the air energy heat pump evaporator heat pump absorbs heat from the outside air, passes through the compressor refrigerant, and then releases the heat into the room.

[0020] In this application, if corresponding calculation formulas appear, the above calculation formulas are all dimensionless and take their numerical calculations. The weight coefficients, proportional coefficients and other coefficients in the formulas are set to a result value obtained by quantifying each parameter. The size of the weight coefficient and the proportional coefficient can be determined as long as it does not affect the proportional relationship between the parameter and the result value.

[0021] Embodiment 2 See also Figure 2 , based on another concept of the same invention, a defrosting system for an air energy heat pump evaporator is now proposed, which is applied to a defrosting method for an air energy heat pump evaporator, the defrosting system comprises a physical data module, a data analysis module, a mode switching module and a server, the physical data module, the data analysis module and the mode switching module are respectively connected to the server, and the server controls the physical data module, the data analysis module and the mode switching module respectively; The physical data module marks a physical data monitoring cycle, performs temperature data monitoring on the air energy heat pump evaporator in the physical data monitoring cycle to obtain the periodic temperature monitoring coefficient, performs humidity data monitoring on the air energy heat pump evaporator in the physical data monitoring cycle to obtain the periodic humidity monitoring coefficient, and obtains the periodic physical index monitoring data; The details are as follows: During the period when the air-to-energy heat pump evaporator is in working state, the time value corresponding to the current moment is marked as the first working characteristic time point, and in the period before the first working characteristic time point, a second working characteristic time point is marked, and the period between the first working characteristic time point and the second working characteristic time point is marked as the physical data monitoring cycle; It should be noted here that: In the present application, as the time value corresponding to the current moment changes, the first working characteristic time point and the second working characteristic time point also change accordingly, thereby achieving dynamic update of the physical data monitoring cycle.

[0022] Monitor the temperature data of the air energy heat pump evaporator in the physical data monitoring cycle to obtain the periodic temperature monitoring coefficient; The details are as follows: In the physical data monitoring cycle, a number of temperature monitoring time points are randomly selected, and the selected temperature monitoring time points are marked in chronological order as the first temperature monitoring time point to the ath temperature monitoring time point; It should be noted here that: In this application, a referred to herein is a numerical value corresponding to a temperature monitoring time point, and a is an integer greater than 0; A plurality of temperature monitoring points are set in the defrosting area of ​​the air energy heat pump evaporator, and the temperature value of each temperature monitoring point at the first temperature monitoring time point is obtained to obtain the temperature values ​​of the plurality of monitoring points; It should be noted here that: In the present application, the defrost area referred to herein includes but is not limited to the evaporator surface, the evaporator air duct area, and the outer wall of the evaporator connecting duct; Calculate the average of the temperature values ​​of multiple monitoring points to obtain the average temperature value of the defrost area; The variance of the temperature values ​​of the multiple monitoring points is calculated to obtain the temperature variance of the defrost area; The defrost area temperature coefficient corresponding to the first temperature monitoring time point is obtained by calculating the defrost area average temperature value and the defrost area temperature variance, and the defrost area temperature coefficient is named as the first defrost area temperature coefficient; Calculate the temperature coefficient of the first defrost area. The specific formula is as follows: ; Among them, Xwx1 is the temperature coefficient of the first defrost area, Wsp is the average temperature value of the defrost area, and Wsf is the temperature variance of the defrost area; It should be noted here that: In the specific implementation, there are the following experimental data: Temperature monitoring point Temperature value 1 0.2 2 -0.2 3 -0.2 4 0.3 5 0.8 The calculated average temperature value (Wsp) of the defrost area is 0.18°C, the temperature variance (Wsf) of the defrost area is 0.13752, and the temperature coefficient of the first defrost area is 1.49.

[0023] Repeat the process of acquiring the defrost area temperature coefficient corresponding to the first temperature monitoring time point, and respectively acquire the defrost area temperature coefficients corresponding to the second temperature monitoring time point to the a-th temperature monitoring time point, to obtain the second defrost area temperature coefficient to the a-th defrost area temperature coefficient; A plurality of temperature monitoring points are set in the environment area of ​​the air energy heat pump evaporator, and the temperature value of each temperature monitoring point at the first temperature monitoring time point is obtained to obtain the temperature values ​​of the plurality of monitoring points; It should be noted here that: In this application, the environmental area referred to herein is specifically the external natural environment where the air energy heat pump evaporator is installed; The temperature values ​​of multiple monitoring points are averaged to obtain the average temperature value of the environmental area; The variance of the temperature values ​​of multiple monitoring points is calculated to obtain the temperature variance of the environmental area; The average temperature value of the environment area and the temperature variance of the environment area are calculated to obtain the environment area temperature coefficient corresponding to the first temperature monitoring time point, and the environment area temperature coefficient is named as the first environment area temperature coefficient; Calculate the temperature coefficient of the first environmental area. The specific formula is as follows: ; Among them, Hwx1 is the temperature coefficient of the first environmental area, Whp is the average temperature value of the environmental area, and WHF is the temperature variance of the environmental area; It should be noted here that: In the specific implementation, there are the following experimental data: Temperature monitoring point Temperature value 1 22.5 2 23.0 3 22.8 4 23.2 5 22.7 The calculated average temperature value of the environmental area (Wsp) is 22.84°C, the temperature variance of the environmental area (Wsf) is 0.0584, and the temperature coefficient of the first environmental area is 44.4.

[0024] Repeat the process of obtaining the environmental area temperature coefficient corresponding to the first temperature monitoring time point, respectively obtain the environmental area temperature coefficients corresponding to the second temperature monitoring time point to the a-th temperature monitoring time point, and obtain the second environmental area temperature coefficient to the a-th environmental area temperature coefficient; The periodic temperature monitoring coefficient is obtained by calculating the temperature coefficient of the first defrost area to the temperature coefficient of the ath defrost area and the temperature coefficient of the first environmental area to the temperature coefficient of the ath environmental area; The cycle temperature monitoring coefficient is calculated, and the specific formula is as follows: ; Among them, Wzx is the periodic temperature monitoring coefficient, Xwsi is the temperature coefficient of the i-th defrost area, Hwsi is the temperature coefficient of the i-th environmental area, and a is the quantity value corresponding to the temperature monitoring time point; It should be noted here that: In the present application, the i-th defrost region temperature coefficient involved here may be any defrost region temperature coefficient from the first defrost region temperature coefficient to the a-th defrost region temperature coefficient, and the i-th environmental region temperature coefficient designed here may be any environmental region temperature coefficient from the first environmental region temperature coefficient to the a-th environmental region temperature coefficient; In the specific implementation, there are the following experimental data: Xws1 is 1.49, Hws1 is 44.4, Xws2 is 4.49, Hws2 is 24.4, Xws3 is 3.49, Hws3 is 34.4, then the periodic temperature monitoring coefficient can be calculated to be 45.9, a=3; The numerical range of the periodic temperature monitoring coefficient involved here is [0,100]. If the calculated periodic temperature monitoring coefficient is not in [0,100], this defrosting method is not applicable.

[0025] Monitor the humidity data of the air energy heat pump evaporator in the physical data monitoring cycle to obtain the periodic humidity monitoring coefficient; The details are as follows: In the physical data monitoring cycle, a number of humidity monitoring time points are randomly selected, and the selected humidity monitoring time points are marked in chronological order as the first humidity monitoring time point to the bth humidity monitoring time point; It should be noted here that: In this application, b referred to herein is a quantitative value corresponding to a humidity monitoring time point, and b is an integer greater than 0; A plurality of humidity monitoring points are set in the defrosting area of ​​the air energy heat pump evaporator, and the humidity value of each humidity monitoring point at the first humidity monitoring time point is obtained to obtain the humidity values ​​of the plurality of monitoring points; It should be noted here that: In the present application, the defrost area referred to herein includes but is not limited to the evaporator surface, the evaporator air duct area, and the outer wall of the evaporator connecting duct; The humidity values ​​of multiple monitoring points are averaged to obtain the average humidity value of the defrost area; The humidity values ​​at multiple monitoring points are calculated with variance to obtain the humidity variance in the defrost area. The defrost area humidity coefficient corresponding to the first humidity monitoring time point is obtained by calculating the average humidity value of the defrost area and the humidity variance of the defrost area, and is named the first defrost area humidity coefficient; Calculate the humidity coefficient of the first defrost area. The specific formula is as follows: ; Among them, Xsx1 is the humidity coefficient of the first defrost area, Ssp is the average humidity value of the defrost area, and Ssf is the humidity variance of the defrost area; It should be noted here that: In the specific implementation, there are the following experimental data: Humidity monitoring point Humidity value 1 0.91 2 0.46 3 0.87 4 0.43 5 0.68 The average humidity value of the defrost area is calculated to be 0.67, the humidity variance of the defrost area is 0.04, and the humidity coefficient of the first defrost area is calculated to be 1.314.

[0026] Repeat the process of obtaining the defrost area humidity coefficient corresponding to the first humidity monitoring time point, respectively obtain the defrost area humidity coefficients corresponding to the second humidity monitoring time point to the bth humidity monitoring time point, and obtain the second defrost area humidity coefficient to the bth defrost area humidity coefficient; A plurality of humidity monitoring points are set in the environment area of ​​the air energy heat pump evaporator, and the humidity value of each humidity monitoring point at the first humidity monitoring time point is obtained to obtain the humidity values ​​of the plurality of monitoring points; It should be noted here that: In this application, the environmental area referred to herein is specifically the external natural environment where the air energy heat pump evaporator is installed; The humidity values ​​of multiple monitoring points are averaged to obtain the average humidity value of the environmental area; The humidity values ​​of multiple monitoring points are calculated with variance to obtain the humidity variance of the environmental area; The average humidity value of the environmental area and the humidity variance of the environmental area are calculated to obtain the humidity coefficient of the environmental area corresponding to the first humidity monitoring time point, and the humidity coefficient is named the first environmental area humidity coefficient; Calculate the humidity coefficient of the first environmental area. The specific formula is as follows: ; Among them, Hsx1 is the humidity coefficient of the first environmental area, Shp is the average humidity value of the environmental area, and Shf is the humidity variance of the environmental area; It should be noted here that: In the specific implementation, there are the following experimental data: Humidity monitoring point Humidity value 1 0.34 2 0.46 3 0.44 4 0.36 5 0.68 The calculated average humidity value of the environmental area is 0.456, the humidity variance of the environmental area is 0.013, and the humidity coefficient of the first environmental area is 0.91.

[0027] Repeat the process of obtaining the humidity coefficient of the environmental area corresponding to the first humidity monitoring time point, respectively obtain the humidity coefficients of the environmental area corresponding to the second humidity monitoring time point to the bth humidity monitoring time point, and obtain the humidity coefficients of the second environmental area to the bth environmental area; The periodic humidity monitoring coefficient is obtained by calculating the humidity coefficient of the first defrost area to the humidity coefficient of the bth defrost area and the humidity coefficient of the first environmental area to the humidity coefficient of the bth environmental area; The periodic humidity monitoring coefficient is calculated as follows: ; Among them, Szx is the periodic humidity monitoring coefficient, Xssi is the humidity coefficient of the i-th defrost area, Hssi is the humidity coefficient of the i-th environmental area, and b is the quantity value corresponding to the humidity monitoring time point; It should be noted here that: In the specific implementation, there are experimental data as follows: When Xss1 is 1.02, Hss1 is 1.04, Xss1 is 1.12, Hss1 is 1.24, Xss1 is 1.07, Hss1 is 1.14, and b=3, the calculated periodic humidity monitoring coefficient is 2.299.

[0028] In the present application, the value range corresponding to the periodic humidity monitoring coefficient is [0, 10]. If the calculated periodic humidity monitoring coefficient is not in [0, 10], this defrosting method is not applicable.

[0029] It should be noted here that: In the present application, the i-th defrost area humidity coefficient involved here may be any one of the defrost area humidity coefficients from the first defrost area humidity coefficient to the a-th defrost area humidity coefficient, and the i-th environmental area humidity coefficient designed here may be any one of the environmental area humidity coefficients from the first environmental area humidity coefficient to the a-th environmental area humidity coefficient; The periodic temperature monitoring coefficient and the periodic humidity monitoring coefficient are defined as periodic physical indicator monitoring data; The physical data module acquires the periodic physical index monitoring data and transmits it to the data analysis module; The data analysis module obtains the equipment state division coefficient by analyzing the periodic physical indicator monitoring data, obtains the equipment state division coefficient threshold and compares the value with the equipment state division coefficient, divides the air energy heat pump evaporator into the first operating state and the second operating state according to the numerical comparison result, and obtains the equipment state division data; The details are as follows: Obtain periodic physical indicator monitoring data, and obtain periodic humidity monitoring coefficient and periodic temperature monitoring coefficient respectively according to the periodic physical indicator monitoring data; The equipment state division coefficient is obtained by calculating the periodic humidity monitoring coefficient and the periodic temperature monitoring coefficient; The equipment status division coefficient is calculated as follows: ; Among them, Shx is the equipment status division coefficient, Szx is the periodic humidity monitoring coefficient, and Wzx is the periodic temperature monitoring coefficient; In the specific implementation, the following experimental data were measured: When the periodic humidity monitoring coefficient is 2.299 and the periodic temperature monitoring coefficient is 45.9, the equipment state division coefficient can be calculated to be 4.48.

[0030] Obtaining a device state division coefficient threshold, performing a numerical comparison between the device state division coefficient threshold and the device state division coefficient, and dividing the air energy heat pump evaporator into a first operating state and a second operating state according to the numerical comparison result to obtain device state division data; The details are as follows: Obtaining a periodic humidity monitoring coefficient threshold and a periodic temperature monitoring coefficient threshold respectively; The periodic humidity monitoring coefficient threshold and the periodic temperature monitoring coefficient threshold are calculated to obtain the device state division coefficient threshold; The device status division coefficient threshold is calculated, and the specific formula is as follows: ; Among them, Shxy is the equipment status division coefficient threshold, Szsy is the periodic humidity monitoring coefficient threshold, and Wzsy is the periodic temperature monitoring coefficient threshold; If the periodic humidity monitoring coefficient is less than the periodic humidity monitoring coefficient threshold, the device state division coefficient is divided into the first operating state; If the periodic humidity monitoring coefficient is greater than or equal to the periodic humidity monitoring coefficient threshold, the device state division coefficient is divided into the second operating state; The data analysis module acquires the equipment status classification data and transmits it to the mode switching module; The mode switching module performs intelligent defrosting of the air energy heat pump evaporator according to the device status division data; The details are as follows: Acquire device status classification data, and acquire the air energy heat pump evaporator in the first operating state and the second operating state respectively according to the device status classification data; If the air energy heat pump evaporator is in the first operating state, the air energy heat pump evaporator heat pump stops heating, reversely circulates the coolant, releases heat to the evaporator, and melts the frost layer; If the air energy heat pump evaporator is in the second operating state, the air energy heat pump evaporator heat pump absorbs heat from the outside air, passes through the compressor refrigerant, and then releases the heat into the room.

[0031] The preferred embodiments of the present invention disclosed above are only used to help explain the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A defrosting method for an air energy heat pump evaporator, characterized in that: include: Step S1: obtaining a physical data monitoring cycle, monitoring the temperature data of the air energy heat pump evaporator in the physical data monitoring cycle to obtain the periodic temperature monitoring coefficient, monitoring the humidity data of the air energy heat pump evaporator in the physical data monitoring cycle to obtain the periodic humidity monitoring coefficient, and obtaining periodic physical indicator monitoring data; Step S2: obtaining the equipment state division coefficient by analyzing the periodic physical indicator monitoring data, obtaining the equipment state division coefficient threshold and performing numerical comparison with the equipment state division coefficient, and dividing the air energy heat pump evaporator into a first operating state and a second operating state according to the numerical comparison result to obtain equipment state division data; Step S3: Intelligently defrost the air energy heat pump evaporator according to the equipment status classification data.

2. The defrosting method of an air energy heat pump evaporator according to claim 1, characterized in that: The step S1 further includes the following specific steps: Step S11: marking a physical data monitoring cycle during the period when the air energy heat pump evaporator is in the working state; Step S12: monitoring the temperature data of the air energy heat pump evaporator in the physical data monitoring cycle to obtain a periodic temperature monitoring coefficient; Step S13: monitoring humidity data of the air energy heat pump evaporator in the physical data monitoring cycle to obtain a periodic humidity monitoring coefficient; Step S14: defining the periodic temperature monitoring coefficient and the periodic humidity monitoring coefficient as periodic physical indicator monitoring data.

3. The defrosting method of an air energy heat pump evaporator according to claim 2, characterized in that: The step S12 further includes the following specific steps: Step S121: randomly selecting a number of temperature monitoring time points within the physical data monitoring cycle, and marking the selected temperature monitoring time points in chronological order as the first temperature monitoring time point to the ath temperature monitoring time point; Step S122: obtaining the first defrost area temperature coefficient; Step S123: respectively acquiring the defrost region temperature coefficients corresponding to the second temperature monitoring time point to the ath temperature monitoring time point, to obtain the second defrost region temperature coefficient to the ath defrost region temperature coefficient; Step S124: obtaining the temperature coefficient of the first environment area; Step S125: respectively acquiring the temperature coefficients of the environmental areas corresponding to the second temperature monitoring time point to the ath temperature monitoring time point, to obtain the temperature coefficients of the second environmental area to the ath environmental area; Step S126: Calculating the temperature coefficient of the first defrost area to the temperature coefficient of the ath defrost area and the temperature coefficient of the first environmental area to the temperature coefficient of the ath environmental area to obtain a periodic temperature monitoring coefficient; The cycle temperature monitoring coefficient is calculated, and the specific formula is as follows: ； Among them, Wzx is the periodic temperature monitoring coefficient, Xwsi is the temperature coefficient of the i-th defrost area, Hwsi is the temperature coefficient of the i-th environmental area, and a is the quantity value corresponding to the temperature monitoring time point.

4. The defrosting method of an air energy heat pump evaporator according to claim 3, characterized in that: The step S122 further includes the following specific steps: Step S1221: setting a plurality of temperature monitoring points in the defrosting area of ​​the air energy heat pump evaporator, respectively obtaining the temperature value of each temperature monitoring point at the first temperature monitoring time point, and obtaining the temperature values ​​of the plurality of monitoring points; Step S1222: Calculate the average of the temperature values ​​of the multiple monitoring points to obtain the average temperature value of the defrost area; Step S1223: performing variance calculation on the temperature values ​​of the multiple monitoring points obtained to obtain the defrost area temperature variance; Step S1224: Calculate the defrost area temperature coefficient corresponding to the first temperature monitoring time point by using the defrost area average temperature value and the defrost area temperature variance, and name it the first defrost area temperature coefficient; Calculate the temperature coefficient of the first defrost area. The specific formula is as follows: ； Among them, Xwx1 is the temperature coefficient of the first defrost area, Wsp is the average temperature value of the defrost area, and Wsf is the temperature variance of the defrost area.

5. The defrosting method of an air energy heat pump evaporator according to claim 3, characterized in that: The step S124 further includes the following specific steps: Step S1241: setting a plurality of temperature monitoring points in the environment area of ​​the air energy heat pump evaporator, respectively obtaining the temperature value of each temperature monitoring point at the first temperature monitoring time point, and obtaining the temperature values ​​of the plurality of monitoring points; Step S1242: Calculate the average of the temperature values ​​of the multiple monitoring points to obtain the average temperature value of the environmental area; Step S1243: performing variance calculation on the temperature values ​​of the multiple monitoring points obtained to obtain the temperature variance of the environmental area; Step S1244: Calculate the average temperature value of the environment area and the temperature variance of the environment area to obtain the environment area temperature coefficient corresponding to the first temperature monitoring time point, and name it the first environment area temperature coefficient; Calculate the temperature coefficient of the first environmental area. The specific formula is as follows: ； Among them, Hwx1 is the temperature coefficient of the first environmental area, Whp is the average temperature value of the environmental area, and WHF is the temperature variance of the environmental area.

6. The defrosting method of an air energy heat pump evaporator according to claim 2, characterized in that: The step S13 further includes the following specific steps: Step S131: randomly selecting a number of humidity monitoring time points within the physical data monitoring cycle, and marking the selected humidity monitoring time points in chronological order as the first humidity monitoring time point to the bth humidity monitoring time point; Step S132: obtaining the humidity coefficient of the first defrost area; Step S133: respectively acquiring the humidity coefficients of the defrost area corresponding to the second humidity monitoring time point to the bth humidity monitoring time point, to obtain the humidity coefficients of the second defrost area to the bth defrost area; Step S134: obtaining the humidity coefficient of the first environmental area; Step S135: respectively acquiring the humidity coefficients of the environmental areas corresponding to the second humidity monitoring time point to the bth humidity monitoring time point, to obtain the humidity coefficients of the second environmental area to the bth environmental area; Step S136: Calculating the humidity coefficient of the first defrost area to the humidity coefficient of the bth defrost area and the humidity coefficient of the first environmental area to the humidity coefficient of the bth environmental area to obtain a periodic humidity monitoring coefficient; The periodic humidity monitoring coefficient is calculated as follows: ； Among them, Szx is the periodic humidity monitoring coefficient, Xssi is the humidity coefficient of the i-th defrost area, Hssi is the humidity coefficient of the i-th environmental area, and b is the quantitative value corresponding to the humidity monitoring time point.

7. The defrosting method of an air energy heat pump evaporator according to claim 6, characterized in that: The step S132 further includes the following specific steps: Step S1321: multiple humidity monitoring points are set in the defrosting area of ​​the air energy heat pump evaporator, and the humidity value of each humidity monitoring point at the first humidity monitoring time point is obtained to obtain the humidity values ​​of multiple monitoring points; Step S1322: Calculate the average of the humidity values ​​of the multiple monitoring points to obtain the average humidity value of the defrost area; Step S1323: Calculate the variance of the humidity values ​​of the multiple monitoring points obtained to obtain the humidity variance of the defrost area; Step S1324: Calculate the defrost area humidity coefficient corresponding to the first humidity monitoring time point by using the defrost area average humidity value and the defrost area humidity variance, and name it the first defrost area humidity coefficient; Calculate the humidity coefficient of the first defrost area. The specific formula is as follows: ； Among them, Xsx1 is the humidity coefficient of the first defrost area, Ssp is the average humidity value of the defrost area, and Ssf is the humidity variance of the defrost area.

8. The defrosting method of an air energy heat pump evaporator according to claim 6, characterized in that: The step S134 further includes the following specific steps: Step S1341: multiple humidity monitoring points are set in the environment area of ​​the air energy heat pump evaporator, and the humidity value of each humidity monitoring point at the first humidity monitoring time point is obtained to obtain the humidity values ​​of multiple monitoring points; Step S1342: Calculate the average of the humidity values ​​of the multiple monitoring points to obtain the average humidity value of the environmental area; Step S1343: performing variance calculation on the humidity values ​​of the multiple monitoring points obtained to obtain the humidity variance of the environmental area; Step S1344: obtaining the humidity coefficient of the environment area corresponding to the first humidity monitoring time point by calculating the average humidity value of the environment area and the humidity variance of the environment area, and naming it the first humidity coefficient of the environment area; Calculate the humidity coefficient of the first environmental area. The specific formula is as follows: ； Among them, Hsx1 is the humidity coefficient of the first environmental area, Shp is the average humidity value of the environmental area, and Shf is the humidity variance of the environmental area.

9. The defrosting method of an air energy heat pump evaporator according to claim 1, characterized in that: The step S2 further includes the following specific steps: Step S21: acquiring periodic physical indicator monitoring data, and acquiring a periodic humidity monitoring coefficient and a periodic temperature monitoring coefficient respectively according to the periodic physical indicator monitoring data; Step S22: Calculate the equipment status division coefficient. The specific formula is as follows: ； Among them, Shx is the equipment status division coefficient, Szx is the periodic humidity monitoring coefficient, and Wzx is the periodic temperature monitoring coefficient; Step S23: obtaining a device state division coefficient threshold, performing a numerical comparison between the device state division coefficient threshold and the device state division coefficient, and dividing the air energy heat pump evaporator into a first operating state and a second operating state according to the numerical comparison result to obtain device state division data; The step S23 further includes the following specific steps: Step S231: respectively obtaining a periodic humidity monitoring coefficient threshold and a periodic temperature monitoring coefficient threshold; Step S232: Calculating the periodic humidity monitoring coefficient threshold and the periodic temperature monitoring coefficient threshold to obtain the device state division coefficient threshold; The device status division coefficient threshold is calculated, and the specific formula is as follows: ； Among them, Shxy is the equipment status division coefficient threshold, Szsy is the periodic humidity monitoring coefficient threshold, and Wzsy is the periodic temperature monitoring coefficient threshold; Step S233: if the periodic humidity monitoring coefficient is less than the periodic humidity monitoring coefficient threshold, the device state division coefficient is divided into the first operating state; Step S234: If the periodic humidity monitoring coefficient is greater than or equal to the periodic humidity monitoring coefficient threshold, the device state division coefficient is divided into the second operating state.

10. The defrosting method of an air energy heat pump evaporator according to claim 1, characterized in that: The step S3 further includes the following specific steps: Step S31: Acquire device status classification data, and acquire the air energy heat pump evaporator in the first operating state and the second operating state respectively according to the device status classification data; Step S32: if the air energy heat pump evaporator is in the first operating state, the air energy heat pump evaporator heat pump stops heating, reversely circulates the coolant, and releases heat to the evaporator; Step S33: If the air energy heat pump evaporator is in the second operating state, the air energy heat pump evaporator heat pump absorbs heat from the outside air, passes through the compressor refrigerant, and then releases the heat to the room.

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