Air conditioner fan regulation and control method, air conditioner, electronic equipment and storage medium

By monitoring the condensing temperature difference and exhaust superheat in real time and dynamically adjusting the parameters of the condensing side fan, the problem of abnormal refrigerant pressure in the air conditioning system under different ambient temperatures was solved, thus achieving stable operation and comfort of the air conditioning system.

CN121993884APending Publication Date: 2026-05-08GD MIDEA HEATING & VENTILATING EQUIP CO LTD +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
GD MIDEA HEATING & VENTILATING EQUIP CO LTD
Filing Date
2024-11-05
Publication Date
2026-05-08

AI Technical Summary

Technical Problem

Insufficient or excessive heat dissipation caused by a fixed fan airflow in the air conditioner condenser under different ambient temperatures can lead to abnormal pressure in the air conditioning system and affect the normal operation of the compressor.

Method used

Based on real-time monitoring of the condensing temperature difference and exhaust superheat, the operating parameters of the condensing side fan, including speed, air volume, air pressure, and power, are dynamically adjusted to maintain the heat exchange capacity of the condenser within a reasonable range.

Benefits of technology

Ensure that the pressure and temperature of the air conditioning system are within a reasonable range, guarantee the normal operation of the compressor, and improve the stability and operating efficiency of the air conditioning system.

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Abstract

The invention discloses an air conditioner fan regulation and control method, an air conditioner, electronic equipment and a storage medium. The method comprises the steps that according to the current condensation temperature difference and the exhaust superheat degree, the adjustment amplitude of operation parameters of a condensation side draught fan is determined; and according to the adjustment amplitude, re-determining an operation parameter value so as to control the condensation side fan to operate. According to the scheme, according to the condensation temperature difference and the exhaust superheat degree which are detected in real time, the adjustment amplitude of the operation parameters of the condensation side draught fan is dynamically determined, and then the operation parameters of the draught fan are adjusted accordingly, so that the pressure and temperature of an air conditioner system are kept within a certain range, and the normal work requirement of a compressor is met; and stable operation of the air-conditioning system is ensured.
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Description

Technical Field

[0001] This article relates to air conditioning control technology, and more particularly to an air conditioning fan control method, air conditioner, electronic equipment and storage medium. Background Technology

[0002] During operation, the refrigerant absorbs heat and, after passing through the compressor, forms a high-temperature, high-pressure refrigerant gas. This gas creates a temperature difference with the ambient air, and then flows through the condenser, releasing heat into the outdoor air and condensing. Because the condenser has a very high heat dissipation load, natural convection alone cannot meet the cooling requirements. Therefore, air conditioner condensers are usually equipped with one or more fans to create forced convection and enhance heat exchange.

[0003] Taking the air conditioner in cooling mode as an example, the condenser is usually placed outdoors. As the ambient temperature changes with the seasons and weather, the condenser's heat exchange capacity also changes. If the condenser fan always operates at the same airflow, it can easily lead to insufficient heat dissipation or over-cooling, causing abnormal refrigerant pressure in the air conditioning system and preventing the compressor from working properly. Therefore, it is necessary to adjust the operating parameters of the condenser fan to maintain the condenser's heat exchange capacity within a certain range under different ambient temperatures, ensuring stable operation of the air conditioning system. Summary of the Invention

[0004] This application provides an air conditioning fan control method, an air conditioner, an electronic device, and a storage medium. Based on the real-time detected condensing temperature difference and exhaust superheat, the adjustment range of the condensing side fan operating parameters is dynamically determined, and the fan operating parameters are adjusted accordingly to keep the pressure and temperature of the air conditioning system within a certain range, meet the normal operating requirements of the compressor, and ensure the stable operation of the air conditioning system.

[0005] This application provides an air conditioner fan control method, including: Based on the current condensing temperature difference and exhaust superheat, determine the adjustment range of the condensing side fan operating parameters; Based on the adjustment amplitude, the operating parameter values ​​are redefined to control the operation of the condenser side fan.

[0006] This application also provides an air conditioning fan control method, including: After the air conditioner is started, when the set execution conditions are met, the method described in the embodiments of this application is executed to control the operation of the condenser-side fan of the air conditioner; The execution conditions include any of the following: the set time period arrives, or a set user operation instruction is received.

[0007] This application also provides an air conditioner, including: Control module, condenser, and condenser-side fan; The control module is configured to perform the method described in any embodiment of this application, controlling the operation of the condenser-side fan to assist the condenser in heat dissipation.

[0008] This application also provides an electronic device, including: One or more processors; Storage device for storing one or more programs. When the one or more programs are executed by the one or more processors, the one or more processors implement the air conditioning fan control method as described in any embodiment of this application.

[0009] This application also provides a computer storage medium storing a computer program, wherein the computer program is configured to execute the air conditioning fan control method as described in any embodiment of this application when it is run.

[0010] Other features and advantages of this application will be set forth in the following description, and will be apparent in part from the description, or may be learned by practicing the application. Other advantages of this application can be realized and obtained by means of the solutions described in the description and the accompanying drawings. Attached Figure Description

[0011] The accompanying drawings are used to provide an understanding of the technical solutions of this application and constitute a part of the specification. They are used together with the embodiments of this application to explain the technical solutions of this application and do not constitute a limitation on the technical solutions of this application.

[0012] Figure 1 This is a flowchart of an air conditioner fan control method according to an embodiment of this application; Figure 2 This is a flowchart of another air conditioner fan control method in the embodiments of this application; Figure 3 This is a flowchart of another air conditioner fan control method in the embodiments of this application; Figure 4 This is a flowchart of another air conditioner fan control method in the embodiments of this application; Figure 5 This is a schematic diagram of an air conditioner structure in an embodiment of this application. Detailed Implementation

[0013] This application describes several embodiments, but these descriptions are exemplary and not restrictive, and it will be apparent to those skilled in the art that many more embodiments and implementations are possible within the scope of the embodiments described herein. Although many possible combinations of features are shown in the drawings and discussed in the detailed description, many other combinations of the disclosed features are also possible. Unless specifically limited, any feature or element of any embodiment may be used in combination with, or may replace, any feature or element of any other embodiment.

[0014] This application includes and contemplates combinations of features and elements known to those skilled in the art. The embodiments, features, and elements disclosed in this application may also be combined with any conventional features or elements to form a unique inventive scheme as defined by the claims. Any feature or element of any embodiment may also be combined with features or elements from other inventive schemes to form another unique inventive scheme as defined by the claims. Therefore, it should be understood that any feature shown and / or discussed in this application may be implemented individually or in any suitable combination. Therefore, the embodiments are not limited except by the limitations imposed by the appended claims and their equivalents. Furthermore, various modifications and changes may be made within the scope of the appended claims.

[0015] Furthermore, in describing representative embodiments, the specification may have presented methods and / or processes as a specific sequence of steps. However, the method or process should not be limited to the specific order of steps described herein, to the extent that it does not depend on such a specific order. As will be understood by those skilled in the art, other sequences of steps are also possible. Therefore, the specific order of steps set forth in the specification should not be construed as a limitation of the claims. Moreover, the claims concerning the method and / or process should not be limited to the steps performed in the written order, and those skilled in the art will readily understand that these orders can be varied and still remain within the spirit and scope of the embodiments of this application.

[0016] Air conditioners, as common devices with cooling, heating, dehumidifying, and air purification functions, are generally divided into indoor and outdoor units based on their installation location; and functionally into heat exchange systems, air circulation systems, and electrical systems. The heat exchange system mainly includes four core components: the compressor, condenser, evaporator, and expansion valve. The air circulation system mainly includes condenser-side fans and evaporator-side fans, which work in conjunction with the condenser and evaporator, respectively. Depending on whether it's cooling or heating mode, the refrigerant circulates in opposite directions among the four core components. In the outdoor unit, the condenser functions as a condenser in cooling mode and as an evaporator in heating mode; similarly, in the indoor unit, the evaporator functions as an evaporator in cooling mode and as a condenser in heating mode. Correspondingly, the outdoor unit's fan is considered a condenser-side fan in cooling mode and an evaporator-side fan in heating mode, while the indoor unit's fan is considered an evaporator-side fan in cooling mode and a condenser-side fan in heating mode.

[0017] In the embodiments of this application, the condenser and evaporator are relative concepts based on functional objectives, and are not fixed as components in the outdoor unit and indoor unit, respectively; the condenser-side fan is a fan that works in conjunction with the condenser, and is not fixedly understood as the fan in the outdoor unit. The solutions described in this application take the fan control during air conditioning operation in cooling mode as an example, with the condenser located in the outdoor unit and the condenser-side fan corresponding to the fan in the outdoor unit. In heating mode, the condenser and condenser-side fan can be adjusted to correspond to the components in the indoor unit; repetitive examples are not described one by one.

[0018] This disclosure provides an air conditioning fan control scheme for adjusting the operating parameter values ​​of the condenser-side fan, which solves the problem of abnormal air conditioning system caused by insufficient condenser cooling or excessive cooling when the ambient temperature is too high or too low.

[0019] This disclosure provides an air conditioning fan control method, such as... Figure 1 As shown, it includes: Step 110: Determine the adjustment range of the condenser side fan operating parameters based on the current condensing temperature difference and exhaust superheat. Step 120: Based on the adjustment amplitude, redetermine the operating parameter values ​​to control the operation of the condenser side fan.

[0020] The adjustment amplitude represents the change in the operating parameters. It can be greater than 0 to indicate an increase based on the current operating parameter value, or less than 0 to indicate a decrease based on the current operating parameter value, and equal to 0 to indicate that the current operating parameter value remains unchanged.

[0021] In some exemplary embodiments, the operating parameters include one or more of the following: rotational speed, airflow, air pressure, power, etc. When there are multiple operating parameters, each corresponds to an adjustment range, and the adjustment range varies depending on the parameter.

[0022] In some exemplary embodiments, determining the adjustment range of the condenser-side fan operating parameters based on the current condensing temperature difference and exhaust superheat includes: The first adjustment component is determined based on the current condensing temperature difference, the set target value of the condensing temperature difference, and the condensing temperature difference adjustment coefficient; The second adjustment component is determined based on the current exhaust superheat, the set exhaust superheat target value, and the superheat adjustment coefficient. The adjustment amplitude is determined based on the first adjustment component, the second adjustment component, and the set amplitude adjustment coefficient.

[0023] The condensing temperature difference, denoted as HCTD, is the difference between the condensing temperature and the ambient temperature. According to heat transfer theory, under the same conditions, the heat dissipation of a heat exchanger is directly proportional to the temperature difference between the heat transfer points; the larger the temperature difference, the better the heat transfer. However, due to the limitations of the air conditioning system, excessively high condensing pressure / temperature will cause abnormal compressor operation and irreversible damage. Therefore, the condensing temperature difference / condensing temperature needs to be controlled within a certain range to ensure that the compressor's operating temperature and compression ratio are always within the design range. The condensing temperature Tc refers to the temperature at which the refrigerant in the condenser condenses from a gas into a liquid under a certain pressure, i.e., the temperature corresponding to the saturation pressure. The target condensing temperature difference value HCTDs is preset based on the properties of the air conditioning compressor and its refrigerant. In some exemplary embodiments, the target condensing temperature difference value is any temperature value between 10-20℃, for example, a target condensing temperature difference value of 15℃.

[0024] Exhaust superheat, denoted as HDSH, is the difference between the exhaust temperature and the condensing temperature. Appropriate superheat is essential for compressor reliability; excessively low superheat can lead to liquid compression, while excessively high superheat can cause high-temperature carbonization of the lubricating oil. The target exhaust superheat value (HDSHs) is predetermined based on the properties of the refrigerant used. In some exemplary embodiments, the target exhaust superheat value is any temperature between 15-30°C, depending on the boiling point of different refrigerants and their miscibility with lubricating oil. For example, if the refrigerant is R454B, the target exhaust superheat value (HDSHs) is 25°C.

[0025] In the embodiments of this application, the values ​​of the current operating parameters are adjusted, taking into account both the condensing temperature difference and the exhaust superheat, and the adjustment components are determined separately to jointly determine the comprehensive adjustment amplitude, making the adjustment result more scientific and effectively ensuring the stable operation of the air conditioning system.

[0026] The target values ​​for condensing temperature difference, exhaust superheat, condensing temperature difference adjustment coefficient, superheat adjustment coefficient, and amplitude adjustment coefficient involved in determining the first adjustment component, the second adjustment component, and the final adjustment amplitude are all preset. These values ​​are pre-set based on design constraints, experimental data, and product experience during the R&D and production phases of the same air conditioner model. These values / coefficients for different air conditioner models are set independently and can be the same or different.

[0027] Since the location of the condenser fan differs between cooling and heating modes, in some exemplary embodiments, the adjustment amplitude is determined based on a first set of values ​​in cooling mode; and the adjustment amplitude is determined based on a second set of values ​​in heating mode. The five values ​​included in the first set of values ​​may be partially or completely different from the five values ​​included in the second set of values, and are not limited to specific aspects.

[0028] In some exemplary embodiments, the adjustment amplitude is determined according to the following method: ODS=Kp×(HCTD-HCTDs)+Kt×(HDSH-HDSHs)+k; Wherein, ODS is the adjustment amplitude, HCTD is the condensing temperature difference, HCTDs is the target value of the condensing temperature difference, HDSH is the exhaust superheat, HDSHs is the target value of the exhaust superheat, Kp is the condensing temperature difference adjustment coefficient, Kt is the superheat adjustment coefficient, and k is the amplitude adjustment coefficient.

[0029] In some exemplary embodiments, the method further includes: determining corresponding configuration data based on the current condenser-side ambient temperature, the configuration data including: condenser temperature difference target value HCTDs, exhaust superheat target value HDSHs, condenser temperature difference adjustment coefficient Kp, superheat adjustment coefficient Kt, and amplitude adjustment coefficient k.

[0030] The configuration data is determined based on a preset correspondence between temperature and configuration data. For example, the preset correspondence includes: when T4 < 10℃, HCTDs = 25℃, HDSHs = 25℃, Kp = 1.5, Kt = 0.5, k = 2; when T4 ≥ 10℃, HCTDs = 15℃, HDSHs = 25℃, Kp = 1.5, Kt = 0.5, k = 2. Alternatively, the preset correspondence includes: when T4 < 10℃, HCTDs = 25℃, HDSHs = 25℃, Kp = 1.5, Kt = 0.5, k = 2; when T4 ≥ 10℃, HCTDs = 15℃, HDSHs = 25℃, Kp = 2.3, Kt = 0.5, k = 1. The preset correspondence is set based on relevant test data and may vary for different air conditioner models, and is not limited to the examples provided.

[0031] In some exemplary embodiments, the step of redetermining the operating parameter value based on the adjusted amplitude includes: When the absolute value of the adjusted amplitude is less than the first preset amplitude, the operating parameter value remains unchanged.

[0032] In some exemplary embodiments, the step of redetermining the operating parameter value based on the adjusted amplitude further includes: If the absolute value of the adjustment amplitude is greater than the second preset amplitude, the operating parameter value is re-determined based on the adjustment amplitude, with the second preset amplitude as the upper limit of the absolute value of the adjustment amplitude; Wherein, the second preset amplitude is greater than the first preset amplitude; both the second preset amplitude and the first preset amplitude are numbers greater than 0.

[0033] In some exemplary embodiments, the operating parameters include: rotational speed, adjusting the fan operating parameters and adjusting the fan rotational speed.

[0034] For example, the first preset amplitude is 10 revolutions per minute (r / min). When the determined adjustment amplitude is within ±10 r / min (i.e., less than +10 r / min and greater than -10 r / min), the current speed is maintained without adjustment, effectively avoiding frequent fan adjustments. For example, the second preset amplitude is 50 revolutions per minute (r / min). When the determined adjustment amplitude is outside ±50 r / min (i.e., less than -50 r / min or greater than +50 r / min), the operating parameter value is re-determined based on an absolute upper limit of 50 revolutions per minute (r / min). This effectively avoids system oscillations caused by excessive fan adjustment, which could affect the comfort of air conditioning use.

[0035] In some exemplary embodiments, the step of re-determining the operating parameter value based on the adjustment amplitude includes: the re-determined operating parameter value = the current operating parameter value + the adjustment amplitude. That is, if the adjustment amplitude is greater than 0, it indicates that the operating parameter value will be increased; if the adjustment amplitude is less than 0, it indicates that the operating parameter value will be decreased.

[0036] Specifically, based on the adjustment amplitude, and using the second preset amplitude as the upper limit of the absolute value of the adjustment amplitude, the operating parameter value is re-determined, including: If the adjustment amplitude is greater than 0, then the redefined operating parameter value = current operating parameter value + second preset amplitude; If the adjustment amplitude is less than 0, then the redefined operating parameter value = current operating parameter value - second preset amplitude.

[0037] In some exemplary embodiments, such as Figure 2As shown, the method further includes: Step 100: When the air conditioner is started and running, determine the parameter value corresponding to the current ambient temperature according to the preset temperature and parameter value correspondence, and use it as the initial parameter value of the condenser side fan operation parameter.

[0038] In some exemplary embodiments, the current ambient temperature includes the current condenser-side ambient temperature.

[0039] It can be understood that the preset temperature and parameter value correspondence is used to determine the condenser fan operating parameter values ​​based on the current ambient temperature, thus serving as the initial values ​​for the condenser fan operating parameters. This correspondence can be represented by a mapping table, a mapping function, etc., and is not limited to any specific aspect. For example, a temperature and parameter value mapping table is as follows:

[0040]

[0041] When the current ambient temperature is below 10℃, the initial speed is 200; when the current ambient temperature is greater than or equal to 10℃ but less than 18℃, the initial speed is 450. More examples are not listed here. These correspondences are optimal initial values ​​preset based on experience or product testing. It can be understood that dynamically selecting optimal initial operating parameter values ​​based on the ambient temperature, compared to using fixed initial values, effectively avoids frequent adjustments to operating parameter values ​​after startup, maintaining the stability of the air conditioner's operation.

[0042] This application also provides an air conditioning fan control method, including: After the air conditioner is started, if the set execution conditions are met, steps 110-120 are executed to control the operation of the condenser side fan of the air conditioner; The execution conditions include any of the following: the set time period arrives, or a set user operation instruction is received.

[0043] In some exemplary embodiments, such as Figure 3 As shown, after the air conditioner is turned on, when the set time period arrives, steps 110-120 are executed to control the operation of the condenser side fan of the air conditioner.

[0044] This application also provides an air conditioning fan control method, such as... Figure 4 As shown, it includes: Step 410: Turn on the air conditioner and obtain configuration data, including: condensing temperature difference target value HCTDs, exhaust superheat target value HDSHs, condensing temperature difference adjustment coefficient Kp, superheat adjustment coefficient Kt, and amplitude adjustment coefficient k. Step 420: Obtain the current ambient temperature T4; Step 430: Obtain the initial value of the fan speed S0 by looking up the table according to T4, and run the fan at a speed of S=S0; Step 440: After running for a set time M=2 minutes, obtain the current condensing temperature difference and exhaust superheat, and determine the speed adjustment amplitude ODS; Step 450: Determine whether |ODS| is less than the first preset amplitude of 10. If it is less, update ODS=0; if it is greater than or equal to, proceed to step 460. Step 460: Determine whether |ODS| is greater than the second preset amplitude of 50. If it is, proceed to step 470. Step 470: Update ODS based on ODS and the second preset amplitude 50; if ODS is greater than 0, then ODS = +50; if ODS is less than 0, then ODS = -50. Step 480: Redetermine the rotational speed S = S + ODS, and adjust the fan operation. Step 490: According to the set period M, wait for the next adjustment.

[0045] In step 410, the acquired configuration data includes: HCTDs = 15℃, HDSHs = 25℃, Kp = 2.3, Kt = 0.5, k = 1. Step 440 includes: acquiring the current condenser pressure Pc in MPa, acquiring the condenser-side ambient temperature T4 in ℃, acquiring the compressor discharge temperature T5 in ℃; and determining the condensing temperature Tc, i.e., the temperature corresponding to the condenser saturation pressure, based on the condenser pressure Pc.

[0046] Calculate the difference between the condensing temperature and the ambient temperature to obtain the condensing temperature difference HCTD = Tc - T4; calculate the difference between the exhaust temperature and the condensing temperature to obtain the superheat HDSH = T5 - Tc; calculate the speed adjustment range using the following formula: ODS=Kp×(HCTD-HCTDs)+Kt×(HDSH-HDSHs)+k; Wherein, ODS is the adjustment amplitude, HCTD is the condensing temperature difference, HCTDs is the target value of the condensing temperature difference, HDSH is the exhaust superheat, HDSHs is the target value of the exhaust superheat, Kp is the condensing temperature difference adjustment coefficient, Kt is the superheat adjustment coefficient, and k is the amplitude adjustment coefficient.

[0047] This application also provides an air conditioner, such as... Figure 5 As shown, it includes: Control module 510, condenser 520 and condenser-side fan 530; The control module is configured to perform the method described in any embodiment of this application, controlling the operation of the condenser-side fan 530 to assist the condenser 520 in heat dissipation.

[0048] In some exemplary embodiments, the condenser-side fan 530 is an adjustable speed axial flow fan, the speed of which can be infinitely adjusted from 0 to 1050 r / min. It is installed on the condenser 520 side to provide air convection for heat dissipation to the condenser 520.

[0049] In some exemplary embodiments, the system further includes: sensors; the sensors include: a first temperature sensor for detecting the ambient temperature T4 on the condenser side, a first pressure sensor for detecting the condenser pressure Pc, and a second temperature sensor for detecting the compressor discharge temperature T5.

[0050] As can be seen, the sensor is used to collect sensing data to determine the difference between the condensation temperature and the ambient temperature, as well as the difference between the exhaust temperature and the condensation temperature.

[0051] In some exemplary embodiments, the condenser-side fan 530 is an indoor fan or an outdoor fan.

[0052] In some exemplary embodiments, the control module is further configured to determine the condensation difference and the superheat as follows: HCTD=Tc-T4, HDSH=T5-Tc; Wherein, HCTD is the condensing temperature difference, HDSH is the exhaust superheat, T4 is the condensing side ambient temperature, T5 is the compressor exhaust temperature, and Tc is the condensing temperature. The condensing temperature is calculated based on the condenser pressure Pc according to a set algorithm, or obtained by looking up a table based on the condenser pressure Pc.

[0053] In some exemplary embodiments, a first pressure sensor is disposed on the air conditioning refrigerant pipe, located in the flow path between the compressor discharge pipe outlet and the condenser inlet. A first temperature sensor is disposed on the air conditioning unit casing, exposed to the condenser-side environment, and detects the ambient temperature. A second temperature sensor is disposed on the air conditioning refrigerant pipe, located in the flow path between the compressor discharge pipe outlet and the condenser inlet.

[0054] In some exemplary embodiments, the first pressure sensor includes at least two sensors, which are respectively set at the corresponding positions mentioned above according to the different components of the condenser and the direction of the refrigerant flow path in the cooling and heating modes, and can be used selectively in either the cooling or heating mode.

[0055] In some exemplary embodiments, the air conditioner housing includes an indoor unit housing and an outdoor unit housing. The first temperature sensor includes at least two sensors, which are respectively set at the corresponding positions mentioned above according to the different components of the condenser and the direction of the refrigerant flow path in the cooling and heating modes. One sensor can be selected for use in either the cooling or heating mode.

[0056] In some exemplary embodiments, the second temperature sensor includes at least two sensors, which are respectively set at the corresponding positions mentioned above according to the different components of the condenser and the direction of the refrigerant flow path in the cooling and heating modes, and can be used selectively in either the cooling or heating mode.

[0057] It should be noted that the specific installation location of the aforementioned sensor is not limited to the aspects exemplified in the embodiments of this application. With the goal of obtaining sensing data and then calculating the current condensing temperature difference and exhaust superheat of the air conditioner, the location can be flexibly selected according to the layout of the various components and structures of the air conditioner, and is not limited to a specific location.

[0058] In some exemplary embodiments, the air conditioner further includes an evaporator, an expansion valve, and a compressor.

[0059] This application also provides an electronic device, including: One or more processors; Storage device for storing one or more programs. When the one or more programs are executed by the one or more processors, the one or more processors implement the air conditioning fan control method as described in any embodiment of this application.

[0060] This disclosure also provides a computer storage medium storing a computer program, wherein the computer program is configured to execute the air conditioning fan control method as described in any embodiment of this application when running.

[0061] According to the fan control scheme provided in this embodiment, the operating parameters of the condenser fan are dynamically adjusted based on the real-time monitoring of the condensing temperature difference and exhaust superheat, so as to ensure that the pressure and temperature of the air conditioning system are kept within the set optimal range, so as to meet the optimal operating conditions of the compressor and ensure the stable operation of the air conditioning system.

[0062] It will be understood by those skilled in the art that all or some of the steps, systems, or apparatuses disclosed above, and their functional modules / units, can be implemented as software, firmware, hardware, or suitable combinations thereof. In hardware implementations, the division between functional modules / units mentioned above does not necessarily correspond to the division of physical components; for example, a physical component may have multiple functions, or a function or step may be performed collaboratively by several physical components. Some or all components may be implemented as software executed by a processor, such as a digital signal processor or microprocessor, or as hardware, or as an integrated circuit, such as an application-specific integrated circuit (ASIC). Such software may be distributed on a computer-readable medium, which may include computer storage media (or non-transitory media) and communication media (or transient media). As is known to those skilled in the art, the term computer storage media includes volatile and non-volatile, removable and non-removable media implemented in any method or technology for storing information (such as computer-readable instructions, data structures, program modules, or other data). Computer storage media include, but are not limited to, RAM, ROM, EEPROM, flash memory or other memory technologies, CD-ROM, digital versatile disc (DVD) or other optical disc storage, magnetic cartridges, magnetic tape, disk storage or other magnetic storage devices, or any other medium that can be used to store desired information and can be accessed by a computer. Furthermore, it is well known to those skilled in the art that communication media typically contain computer-readable instructions, data structures, program modules, or other data in modulated data signals such as carrier waves or other transmission mechanisms, and may include any information delivery medium.

Claims

1. A method for controlling an air conditioner fan, characterized in that, include: Based on the current condensing temperature difference and exhaust superheat, determine the adjustment range of the condensing side fan operating parameters; Based on the adjustment amplitude, the operating parameter values ​​are redefined to control the operation of the condenser side fan.

2. The air conditioning fan control method according to claim 1, characterized in that, The step of determining the adjustment range of the condenser side fan operating parameters based on the current condensing temperature difference and exhaust superheat includes: The first adjustment component is determined based on the current condensing temperature difference, the set target value of the condensing temperature difference, and the condensing temperature difference adjustment coefficient; The second adjustment component is determined based on the current exhaust superheat, the set exhaust superheat target value, and the superheat adjustment coefficient. The adjustment amplitude is determined based on the first adjustment component, the second adjustment component, and the set amplitude adjustment coefficient.

3. The air conditioning fan control method according to claim 1, characterized in that, The adjustment range is determined according to the following method: ODS=Kp×(HCTD-HCTDs)+Kt×(HDSH-HDSHs)+k; Wherein, ODS is the adjustment amplitude, HCTD is the condensing temperature difference, HCTDs is the target value of the condensing temperature difference, HDSH is the exhaust superheat, HDSHs is the target value of the exhaust superheat, Kp is the condensing temperature difference adjustment coefficient, Kt is the superheat adjustment coefficient, and k is the amplitude adjustment coefficient.

4. The air conditioning fan control method according to any one of claims 1-3, characterized in that, The step of re-determining the operating parameter values ​​based on the adjusted amplitude includes: When the absolute value of the adjusted amplitude is less than the first preset amplitude, the operating parameter value remains unchanged.

5. The air conditioning fan control method according to claim 4, characterized in that, The step of re-determining the operating parameter values ​​based on the adjusted amplitude also includes: If the absolute value of the adjustment amplitude is greater than the second preset amplitude, the operating parameter value is re-determined based on the adjustment amplitude, with the second preset amplitude as the upper limit of the absolute value of the adjustment amplitude; Wherein, the second preset amplitude is greater than the first preset amplitude.

6. The air conditioning fan control method according to any one of claims 1-3, characterized in that, It also includes: when the air conditioner is started and running, determining the parameter value corresponding to the current ambient temperature according to the preset temperature and parameter value correspondence, and using it as the initial parameter value of the condenser side fan operation parameter.

7. A method for controlling an air conditioner fan, characterized in that, include: After the air conditioner is started, when the set execution conditions are met, the method described in any one of claims 1-5 is executed to control the operation of the condenser-side fan of the air conditioner; The execution conditions include any of the following: the set time period arrives, or a set user operation instruction is received.

8. An air conditioner, characterized in that, include: Control module, condenser, and condenser-side fan; The control module is configured to perform the method as described in any one of claims 1-7, controlling the operation of the condenser-side fan to assist the condenser in heat dissipation.

9. The air conditioner according to claim 8, characterized in that, Also includes: Sensors are used to collect sensing data to determine the difference between condensation temperature and ambient temperature, as well as the difference between exhaust temperature and condensation temperature. The sensors include: a temperature sensor for detecting the ambient temperature on the condenser side, a pressure sensor for detecting the pressure of the condenser, and a temperature sensor for detecting the exhaust temperature of the compressor.

10. The air conditioner according to claim 9, characterized in that, The control module is also configured to determine the condensation difference and the exhaust superheat according to the following methods: HCTD = Tc - T4, HDSH = T5 - Tc; Wherein, HCTD is the condensing temperature difference, HDSH is the exhaust superheat, T4 is the condensing side ambient temperature, T5 is the compressor exhaust temperature, and Tc is the condensing temperature. The condensing temperature is calculated or determined by referring to a table based on the condenser pressure Pc.

11. An electronic device, characterized in that, include: One or more processors; Storage device for storing one or more programs. When the one or more programs are executed by the one or more processors, the one or more processors implement the air conditioning fan control method as described in any one of claims 1-7.

12. A computer storage medium, characterized in that, The storage medium stores a computer program, wherein the computer program is configured to execute the air conditioning fan control method as described in any one of claims 1-7 when it is run.