Air conditioner control method, air conditioner system, and nonvolatile storage medium

Abstract

The application provides an air conditioner control method, an air conditioner system and a nonvolatile storage medium. When an oxygen production module of the air conditioner system is turned on, the air conditioner control method comprises the following steps: determining the temperature control urgency of the current indoor environment according to a first temperature difference between the actual temperature of the indoor environment and the target temperature set by a user and the temperature difference change rate of the first temperature difference within a first predetermined time; determining the upper limit of the power of the oxygen production module according to the temperature control urgency of the current indoor environment and the real-time concentration of oxygen in the indoor environment; determining the theoretical target power of the oxygen production module according to the number of people in the indoor environment, the real-time concentration of oxygen in the indoor environment and the target oxygen concentration; determining the execution power of the oxygen production module according to the theoretical target power of the oxygen production module and the upper limit of the power of the oxygen production module, and controlling the oxygen production module to operate at the execution power, thereby at least solving the problem that the total power is overloaded due to the superposition of the high power consumption of temperature control and the high power consumption of oxygen production in the prior art.

Description

Technical Field

[0001] This invention relates to the field of air conditioning technology, and more specifically, to an air conditioning control method, an air conditioning system, and a non-volatile storage medium. Background Technology

[0002] As consumers increasingly focus on indoor environmental health and quality of life, air conditioning products are evolving from a single temperature control mode to multi-mode, health-oriented designs. Oxygen-generating air conditioners, as an emerging category in this trend, integrate an oxygen-generating module into the traditional air conditioning architecture, achieving a dual mode of temperature control and oxygen supply. Currently, oxygen generation technologies applicable to the air conditioning field are mainly divided into two types: pressure swing adsorption (PSA) and membrane separation. Among them, PSA technology is widely used due to its high oxygen concentration and high technological maturity.

[0003] However, existing oxygen-generating air conditioning control strategies mostly adopt simple start-stop logic based on oxygen concentration thresholds (i.e., oxygen generation starts when the oxygen concentration is below the set value and stops when it is above the set value). This crude control method exposes the following significant technical drawbacks in practical applications:

[0004] Overload risk caused by the superposition of temperature control and oxygen generation power: The existing solution fails to effectively coordinate the power distribution between the air conditioner's temperature control module (compressor, fan, etc.) and oxygen generation module (air compressor, etc.). During periods of high cooling or heating load, if the oxygen generation module operates at high power at the same time, the superposition of power consumption of the two can easily cause the total power of the air conditioner to exceed the electrical safety limit. This not only aggravates the mechanical load and thermal stress of the core components and shortens the service life of the equipment, but may also trigger circuit overload protection or even safety hazards, seriously affecting the operational stability and electrical safety of the equipment.

[0005] The lack of dynamic peak-shifting strategies leads to low energy efficiency and compromised comfort: The existing control logic lacks dynamic coupling analysis of indoor heat load and oxygen demand. When the temperature control module is operating at high power and the room temperature has not yet reached the set target (i.e., there is a large temperature difference or a large rate of temperature change), forcibly starting the oxygen generation module will cause a significant drop in the energy efficiency ratio (COP / EER) and drastic fluctuations in room temperature, which seriously affects the user's temperature control comfort and makes it impossible to achieve the best balance between energy consumption and user experience while ensuring healthy oxygen levels. Summary of the Invention

[0006] The main objective of this invention is to provide an air conditioning control method, an air conditioning system, and a non-volatile storage medium, so as to at least solve the problem that the existing air conditioning system is prone to total power overload due to the superposition of high power consumption for temperature control and high power consumption for oxygen production.

[0007] To achieve the above objectives, according to a first aspect of the present invention, an air conditioning control method is provided, wherein when the oxygen generation module of the air conditioning system is turned on, the air conditioning control method includes:

[0008] Based on the actual indoor temperature T in and the user-defined target temperature T target The first temperature difference ΔT and the rate of change of the first temperature difference ΔT within a first predetermined time t, dΔT / dt, determine the current urgency of indoor temperature control.

[0009] Based on the current urgency of indoor temperature control and the real-time indoor oxygen concentration C O2 Determine the upper limit P of the oxygen generation module. limit ;

[0010] Based on the number of people indoors (N) and the real-time oxygen concentration indoors (C) O2 With the target oxygen concentration C target_O2 Determine the theoretical target power P of the oxygen generation module req ;

[0011] Based on the theoretical target power P of the oxygen generation module req The upper limit of the oxygen generation module P limit Determine the operating power P of the oxygen generation module target =min(P req ,P limit ), control the oxygen generation module to execute power P target run.

[0012] Furthermore, based on the number of people N indoors and the real-time oxygen concentration C indoors... O2 With the target oxygen concentration C target_O2 Determine the theoretical target power P of the oxygen generation module req ,include:

[0013] Based on the number of people indoors (N) and the real-time oxygen concentration indoors (C) O2 With the target oxygen concentration C target_O2 Determine the basic oxygen demand rate V demand ;

[0014] Based on the upper power limit P of the oxygen generation module limit and basal oxygen demand V demand Determine the required output power P of the oxygen generation module. O2 ;

[0015] According to the required output power P of the oxygen generation module O2 Determine the theoretical target power P of the oxygen generation module req .

[0016] Furthermore, based on the number of people N indoors and the real-time oxygen concentration C indoors... O2 With the target oxygen concentration C target_O2 Determine the basic oxygen demand rate V demand ,include:

[0017] Calculate the basic oxygen demand rate V using the following formula. demand :

[0018] V demand =N R O2 +(V room (C target_O2 -C O2 )) / τ;

[0019] Among them, R O2 The baseline value for resting oxygen consumption per person is 0.2 L / min ≤ R. O2 ≤0.3L / min; V room τ is the effective volume of the room; τ is the control time constant, 10min≤τ≤30min.

[0020] Furthermore, based on the upper limit P of the oxygen generation module... limit and basal oxygen demand V demand Determine the required output power P of the oxygen generation module. O2 ,include:

[0021] Calculate the required output power P of the oxygen generator module using the following formula. O2 :

[0022] P O2 =min(P maxO2 ,P i +K O2 (V demand +α dC O2 / dt));

[0023] Among them, P maxO2 The maximum safe operating power of the oxygen generation module, in watts (W); P i The minimum standby or maintenance power consumption of the oxygen generation module, in watts (W); K O2 α represents the power conversion factor of the oxygen generation module, expressed in W / (L / min); dC O2 / dt is the power used to increase the oxygen generation module in advance when the oxygen concentration is rapidly decreasing or to decrease the oxygen generation module in advance when the oxygen concentration is rapidly increasing. The unit is L / min, and 0.5≤α≤2.0.

[0024] Furthermore, based on the required output power P of the oxygen generation module... O2 Determine the theoretical target power P of the oxygen generation module req ,include:

[0025] The theoretical target power P of the oxygen generation module is calculated using the following formula. req :

[0026] P req =P O2_ff +P O2_pid ;

[0027] P O2_ff =P i +K O2 ×V demand ;

[0028] P O2_pid =K p ×e(t)+K i × e(t)dt+K d × ;

[0029] e(t) = C target_O2 -C 02 ;

[0030] Among them, P O2_ff This refers to feedforward oxygen demand, expressed in W; P O2_pid P represents the power regulated by PID feedback, in watts (W). i The minimum standby or maintenance power consumption of the oxygen generation module, in watts (W); K O2 is the power conversion factor of the oxygen generation module, in W / (L / min); e(t) is in %Vol (volume percentage), e(t) > 0 indicates that the current oxygen concentration is lower than the target value, and the oxygen generation power needs to be increased; e(t) < 0 indicates that the current oxygen concentration is higher than the target value, and the oxygen generation power needs to be decreased; K p For standard proportional gain coefficient, 50W / %Vol≤K p ≤500W / %Vol;K i For the standard integral gain coefficient, 1W / (%Vol·s)≤K i ≤50W / (%Vol·s); K d The standard differential gain coefficient is 10 W·s / %Vol≤K. d ≤200W·s / %Vol.

[0031] Furthermore, the oxygen generation module is controlled to execute power P. target Run, including:

[0032] Determine the current proportional gain coefficient of the PID controller of the air conditioning system. p Current integral gain coefficient i and the current differential gain coefficient d The actual power of the oxygen generating module is adjusted to the execution power P by a PID controller. target .

[0033] Furthermore, determine the current proportional gain coefficient of the PID controller of the air conditioning system. p Current integral gain coefficient i and the current differential gain coefficient d ,include:

[0034] According to the formula p =λ×K p Determine the current proportional gain coefficient of the PID controller p , where K p For standard proportional gain coefficient, 50W / %Vol≤K p ≤500W / %Vol;

[0035] According to the formula i =λ×K i Determine the current integral gain coefficient of the PID controller i , where K i For the standard integral gain coefficient, 1W / (%Vol·s)≤K i ≤50W / (%Vol·s);

[0036] According to the formula d =λ×K d Determine the current derivative gain coefficient of the PID controller d , where K d The standard differential gain coefficient is 10 W·s / %Vol≤K. d ≤200W·s / %Vol.

[0037] Furthermore, the air conditioning system has a running mode. When the air conditioning system activates the running mode, the current proportional gain coefficient of the PID controller of the air conditioning system is determined. p Current integral gain coefficient i and the current differential gain coefficient d In the process, the gain λ of the PID controller remains at 100%; when the air conditioning system is not in motion mode, the current proportional gain coefficient of the PID controller of the air conditioning system is determined. p Current integral gain coefficient i and the current differential gain coefficient d middle,

[0038] If the current indoor temperature control urgency level is low, then the gain λ of the PID controller is 100%.

[0039] If the current indoor temperature control urgency level is medium, then the gain λ of the PID controller is 50%≤λ≤70%;

[0040] If the current indoor temperature control urgency level is high, then the gain λ of the PID controller is 30%≤λ≤50%.

[0041] Furthermore, the air conditioning control method also includes:

[0042] Obtain the real-time power P of the temperature control module of the air conditioning system T Real-time power P of the oxygen generation module Y ;

[0043] According to the real-time power P of the temperature control module T Real-time power P of the oxygen generation module Y Determine the real-time total power P0 of the air conditioning system, where P0 = P T +P Y ;

[0044] If the real-time total power P0 of the air conditioning system is greater than the preset total power limit P max Then, depending on the urgency of the current indoor temperature control, the power of the temperature control module or the oxygen generation module will be reduced to ensure that the real-time total power P0 of the air conditioning system is less than or equal to the preset total power limit P. max .

[0045] Furthermore, depending on the urgency of current indoor temperature control, the power of the temperature control module or the oxygen generation module can be reduced, including:

[0046] If the current indoor temperature control urgency level is high, reduce the power of the oxygen generation module;

[0047] If the current indoor temperature control urgency level is medium urgency, then keep the power of the oxygen generation module and the temperature control module unchanged;

[0048] If the current indoor temperature control urgency level is low, then reduce the power of the temperature control module.

[0049] Furthermore, based on the actual indoor temperature T in and the user-defined target temperature T target The first temperature difference ΔT and the rate of change of the first temperature difference ΔT within a first predetermined time t, dΔT / dt, determine the current urgency of indoor temperature control, including:

[0050] Obtain the preset temperature difference value ΔT0;

[0051] Compare the absolute value of the first temperature difference ΔT, |ΔT|, with the preset temperature difference value ΔT0;

[0052] Determine whether the first temperature difference ΔT and the rate of change of temperature dΔT / dt are positive or negative;

[0053] The urgency of indoor temperature control is determined based on the comparison and judgment results.

[0054] Furthermore, based on the comparison and judgment results, the current urgency of indoor temperature control is determined, including:

[0055] If |ΔT|>ΔT0 and both the first temperature difference ΔT and the rate of change of temperature difference dΔT / dt are positive or negative, then it indicates that the actual indoor temperature T in Approaching the user-set target temperature T target The difference between them is large and is worsening, and the current urgency of indoor temperature control is high.

[0056] If |ΔT|>ΔT0 and one of the first temperature difference ΔT and the rate of change of temperature difference dΔT / dt is positive and the other is negative, then it indicates that the actual indoor temperature T in and the user-defined target temperature T target The difference between the two values ​​is large but is improving; the current level of urgency for indoor temperature control is moderate.

[0057] If |ΔT|≤ΔT0, then it represents the actual indoor temperature T. in Approaching the user-defined target temperature T target The current indoor temperature control urgency level is low.

[0058] Further, obtaining the preset temperature difference value ΔT0 includes:

[0059] The preset temperature difference when the air conditioning system is not in sleep mode is less than the preset temperature difference when the air conditioning system is in sleep mode; and / or,

[0060] With the air conditioning system not in sleep mode, ΔT0 = 3℃; and / or,

[0061] When the air conditioning system is in sleep mode, ΔT0 = 5℃.

[0062] Furthermore, based on the actual indoor temperature T in and the user-defined target temperature T target Before determining the urgency of indoor temperature control based on the first temperature difference ΔT and the rate of change of the first temperature difference ΔT within a first predetermined time t, dΔT / dt, the air conditioning control method includes:

[0063] Obtain the real-time concentration C of indoor oxygen. O2 The actual indoor temperature T in The following parameters are considered: the number of people in the room (N), the current operating frequency (F) of the air conditioning system compressor, the real-time operating power (P) of the oxygen generator module, and the user-set target temperature (T). target ;

[0064] Based on the actual indoor temperature T in and the user-defined target temperature T target Calculate the first temperature difference ΔT, where ΔT = T in -T target ;

[0065] Based on the rate of change of temperature difference dΔT / dt within a first predetermined time t;

[0066] Based on the real-time indoor oxygen concentration C O2 The rate of change of oxygen concentration dC during the second predetermined time t1 O2 / dt.

[0067] Furthermore, the air conditioning system has a forced oxygen production mode, and the air conditioning control method also includes:

[0068] Based on the real-time indoor oxygen concentration C O2 Real-time oxygen concentration C in the room O2 The rate of change of oxygen concentration dC during the second predetermined time t1 O2 / dt predicts the oxygen concentration C after the third predetermined time t2. O2预 ;

[0069] If C is predicted to occur after the third predetermined time t2 O2预 ≤19.5%, even if the real-time indoor oxygen concentration C O2 Forced oxygen production mode has not yet been triggered, and the oxygen production module is also controlled to operate at low power.

[0070] If C is predicted to occur after the third predetermined time t2 O2预 If the oxygen level is ≤19.0%, a window opening suggestion will be sent to the user, and the oxygen generation module will be controlled to operate at medium power.

[0071] Furthermore, based on the current urgency of indoor temperature control and the real-time indoor oxygen concentration C... O2 Determine the upper limit P of the oxygen generation module. limit ,include:

[0072] The real-time concentration of oxygen in the room, C O2 Compared with the preset oxygen safety threshold C O2_0 First preset oxygen concentration C O2_1 Second preset oxygen concentration C O2_2 Compare;

[0073] The upper limit of the oxygen generating module's power is determined based on the comparison results of oxygen concentration and the current urgency of indoor temperature control.

[0074] Furthermore, based on the comparison results of oxygen concentrations and the current urgency of indoor temperature control, the upper limit of the oxygen generation module's power is determined, including:

[0075] If C O2 >C O2_2 If so, the oxygen generation module remains off;

[0076] If the current indoor temperature control urgency level is high and C O2_1 ≤C O2 ≤C O2_2 Then the upper limit of the oxygen generation module P limit 30% of the rated power of the oxygen generating module;

[0077] If the current indoor temperature control urgency level is high and C O2_0 ≤C O2 ≤C O2_1 Then the upper limit of the oxygen generation module P limit 50% of the rated power of the oxygen generating module;

[0078] If the current indoor temperature control urgency level is medium urgency and C O2_1 ≤C O2 ≤C O2_2 Then the upper limit of the oxygen generation module P limit This is 55% of the rated power of the oxygen generating module;

[0079] If the current indoor temperature control urgency level is medium urgency and C O2_0 ≤C O2 ≤C O2_1 Then the upper limit of the oxygen generation module P limit This is 75% of the rated power of the oxygen generating module;

[0080] If the current indoor temperature control urgency level is low and C O2_1 ≤C O2 ≤C O2_2Then the upper limit of the oxygen generation module P limit This is 75% of the rated power of the oxygen generating module;

[0081] If the current indoor temperature control urgency level is low and C O2_0 ≤C O2 ≤C O2_1 Then the upper limit of the oxygen generation module P limit This is 100% of the rated power of the oxygen generation module.

[0082] Furthermore, the air conditioning system has a forced oxygen production mode, and the air conditioning control methods include:

[0083] If the real-time oxygen concentration C in the room O2 Less than the preset oxygen safety threshold C O2_0 Then the air conditioning system will be controlled to execute the forced oxygen production mode;

[0084] When the air conditioning system is in forced oxygen production mode, if the real-time indoor oxygen concentration C O2 Rebound to greater than or equal to the preset oxygen safety threshold C O2_0 And the real-time indoor carbon dioxide concentration C CO2 Decrease to below the preset carbon dioxide concentration value C CO2_1 Then, the air conditioning system will exit the forced oxygen production mode after a predetermined time.

[0085] Furthermore, C O2_0 =19.0%; and / or, C CO2_1 =2500ppm.

[0086] Furthermore, when the air conditioning system operates in forced oxygen production mode, the air conditioning control method includes:

[0087] The oxygen generator module is controlled to operate at its maximum safe power, and the temperature control module of the air conditioning system is controlled to forcibly reduce the operating frequency of the air conditioning system compressor.

[0088] Furthermore, when the air conditioning system operates in forced oxygen production mode, the air conditioning control method also includes:

[0089] If the air conditioning system includes a fresh air module, then the fresh air control valve of the fresh air module of the air conditioning system is fully opened.

[0090] Furthermore, in the process of controlling the temperature control module of the air conditioning system to forcibly reduce the operating frequency of the air conditioning system compressor, the operating frequency of the compressor is reduced to 50% to 60% of the compressor's highest frequency.

[0091] Furthermore, the air conditioning system has an elderly mode. When the elderly mode is activated, in the air conditioning control method, C... O2_0 =19.3%, C target_O2=21.2%; and / or,

[0092] The air conditioning system has a child mode. When the child mode is activated, in the air conditioning control method, C... O2_0 =19.3%, C target_O2 =21.2%, and the upper limit of the oxygen generation module's power P limit Sleep duration is less than or equal to 60%;

[0093] Furthermore, the air conditioning system has:

[0094] In sleep mode, when the air conditioning system is in sleep mode, the upper limit P of the oxygen generation module's power is set in the air conditioning control method. limit During sleep periods, the power consumption should be less than or equal to 60% of the rated power of the oxygen generator module.

[0095] According to a second aspect of the present invention, an air conditioning system is provided, applicable to the above-described air conditioning control method, the air conditioning system comprising:

[0096] The first determining module is configured to determine the indoor temperature T. in and the user-defined target temperature T target The first temperature difference ΔT and the rate of change of the first temperature difference ΔT within a first predetermined time t, dΔT / dt, determine the current urgency of indoor temperature control.

[0097] The second determining module is configured to determine the current indoor temperature control urgency and the real-time indoor oxygen concentration C. O2 Determine the upper limit P of the oxygen generation module. limit ;

[0098] The third determining module is configured to determine the number of people in the room (N) and the real-time oxygen concentration in the room (C). O2 With the target oxygen concentration C target_O2 Determine the theoretical target power P of the oxygen generation module req ;

[0099] The fourth determining module is configured to determine the theoretical target power P of the oxygen generation module. req The upper limit of the oxygen generation module P limit Determine the operating power P of the oxygen generation module target =min(P req ,P limit ), control the oxygen generation module to execute power P target run.

[0100] According to a third aspect of the present invention, a non-volatile storage medium is provided, the non-volatile storage medium including a stored program, wherein, when the program is running, the device where the non-volatile storage medium is located is controlled to execute the above-described air conditioning control method.

[0101] Applying the technical solution of this invention, the air conditioning control method of this application constructs a control system based on the actual indoor temperature T. in and the user-defined target temperature T target The temperature control urgency determination mechanism, combined with the real-time indoor oxygen concentration C O2 Dynamically determine the upper limit P of the oxygen generation module's power. limit This effectively solves the problem of total power overload in existing air conditioning systems caused by the combined high power consumption of temperature control and oxygen generation, avoiding the technical difficulty of the temperature control module and oxygen generation module competing for power resources during operation in traditional oxygen-generating air conditioners. Specifically, when the oxygen generation module of the air conditioning system is turned on, it first accurately quantifies the current indoor heat load state based on the first temperature difference ΔT and the rate of change of temperature difference dΔT / dt, thereby determining the current urgency of indoor temperature control and avoiding the lag and blindness of control based solely on a single temperature threshold; subsequently, it determines the current urgency of indoor temperature control and the real-time indoor oxygen concentration C. O2 Collaboratively determine the upper limit P of the oxygen generation module's power. limit This enables adaptive adjustment of the oxygen generation function in response to the urgency of temperature control. Based on this, the system monitors the number of people (N) and the real-time oxygen concentration (C) in the room. O2 With the target oxygen concentration C target_O2 Determine the theoretical target power P of the oxygen generation module req And finally, the theoretical target power P of the oxygen generation module is obtained. req Power limit P of the oxygen generation module limit The smaller value is taken as the execution power P of the oxygen generation module. target This ensures that the oxygen generation module operates only within the power limits allowed by the air conditioning system. This not only guarantees the safety of the air conditioning system but also maximizes the system's energy efficiency throughout the day while maintaining healthy indoor oxygen levels, significantly improving user comfort and equipment stability. Attached Figure Description

[0102] The accompanying drawings, which form part of this application, are used to provide a further understanding of the invention. The illustrative embodiments of the invention and their descriptions are used to explain the invention and do not constitute an undue limitation of the invention. In the drawings:

[0103] Figure 1 A schematic diagram of an embodiment of the air conditioning control method according to the present invention is shown;

[0104] Figure 2 A schematic diagram of a second embodiment of the air conditioning control method according to the present invention is shown;

[0105] Figure 3A schematic diagram of an embodiment three of the air conditioning control method according to the present invention is shown. Detailed Implementation

[0106] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0107] like Figures 1 to 3 As shown, the present invention provides an air conditioning control method. When the oxygen generation module of the air conditioning system is turned on, the air conditioning control method includes:

[0108] Based on the actual indoor temperature T in and the user-defined target temperature T target The first temperature difference ΔT and the rate of change of the first temperature difference ΔT within a first predetermined time t, dΔT / dt, determine the current urgency of indoor temperature control.

[0109] Based on the current urgency of indoor temperature control and the real-time indoor oxygen concentration C O2 Determine the upper limit P of the oxygen generation module. limit ;

[0110] Based on the number of people indoors (N) and the real-time oxygen concentration indoors (C) O2 With the target oxygen concentration C target_O2 Determine the theoretical target power P of the oxygen generation module req ;

[0111] Based on the theoretical target power P of the oxygen generation module req The upper limit of the oxygen generation module P limit Determine the operating power P of the oxygen generation module target =min(P req ,P limit ), control the oxygen generation module to execute power P target run.

[0112] Thus, the air conditioning control method of this application constructs a control system based on the actual indoor temperature T. in and the user-defined target temperature T target The temperature control urgency determination mechanism, combined with the real-time indoor oxygen concentration C O2 Dynamically determine the upper limit P of the oxygen generation module's power. limit This effectively solves the problem of total power overload in existing air conditioning systems caused by the superposition of high power consumption for temperature control and high power consumption for oxygen production, and avoids the technical problem of the temperature control module and oxygen production module competing for power resources during the operation of traditional oxygen-generating air conditioners.

[0113] Specifically, when the oxygen generation module of the air conditioning system is turned on, it first accurately quantifies the current indoor heat load state based on the first temperature difference ΔT and the rate of change of temperature difference dΔT / dt, thereby determining the urgency of indoor temperature control and avoiding the lag and blindness of relying solely on a single temperature threshold for control; subsequently, it determines the urgency of indoor temperature control and the real-time indoor oxygen concentration C. O2 Collaboratively determine the upper limit P of the oxygen generation module's power. limit This enables adaptive adjustment of the oxygen generation function in response to the urgency of temperature control. Based on this, the system monitors the number of people (N) and the real-time oxygen concentration (C) in the room. O2 With the target oxygen concentration C target_O2 Determine the theoretical target power P of the oxygen generation module req And finally, the theoretical target power P of the oxygen generation module is obtained. req Power limit P of the oxygen generation module limit The smaller value is taken as the execution power P of the oxygen generation module. target This ensures that the oxygen generation module operates only within the power limits allowed by the air conditioning system. This not only guarantees the safety of the air conditioning system but also maximizes the system's energy efficiency throughout the day while maintaining healthy indoor oxygen levels, significantly improving user comfort and equipment stability.

[0114] Where 1min≤t≤5min; when the air conditioning system is a 1.5 horsepower split wall-mounted unit, t=3min can be taken.

[0115] Furthermore, based on the number of people N indoors and the real-time oxygen concentration C indoors... O2 With the target oxygen concentration C target_O2 Determine the theoretical target power P of the oxygen generation module req ,include:

[0116] Based on the number of people indoors (N) and the real-time oxygen concentration indoors (C) O2 With the target oxygen concentration C target_O2 Determine the basic oxygen demand rate V demand ;

[0117] Based on the upper power limit P of the oxygen generation module limit and basal oxygen demand V demand Determine the required output power P of the oxygen generation module. O2 ;

[0118] According to the required output power P of the oxygen generation module O2 Determine the theoretical target power P of the oxygen generation module req .

[0119] This application describes a method for determining the theoretical target power of an oxygen module by introducing a basic oxygen demand rate V. demandThe required output power P of the oxygen generation module O2 The step-by-step calculation logic enables the precise conversion of oxygen production demand from physiological metabolic needs to hardware execution power, solving the problem that existing fixed-power oxygen production cannot adapt to varying population densities and environmental volumes.

[0120] First, based on the number of people N indoors and the real-time oxygen concentration C indoors... O2 With the target oxygen concentration C target_O2 The difference determines the basic oxygen demand rate V demand It directly reflects the amount of oxygen required to maintain an ideal indoor oxygen environment, demonstrating respect for the physiological oxygen consumption characteristics of indoor occupants.

[0121] Next, considering the upper limit P of the oxygen generation module... limit And the above-mentioned basic oxygen demand rate V demand Determine the required output power P of the oxygen generation module. O2 The abstract oxygen demand is transformed into a specific indicator, and a hardware power limit is introduced as a constraint to prevent the theoretical calculation value from exceeding the hardware's capacity.

[0122] Finally, the theoretical target power P of the oxygen generation module is determined based on the power output required by the oxygen generation module. req This ensures the final output power P of the oxygen generation module. target Meeting health needs without violating energy efficiency and safety limits makes oxygen production control more scientific and reasonable, avoiding energy waste caused by excessive oxygen production or air quality degradation caused by insufficient oxygen production, and improving the level of precision in control.

[0123] Furthermore, based on the number of people N indoors and the real-time oxygen concentration C indoors... O2 With the target oxygen concentration C target_O2 Determine the basic oxygen demand rate V demand ,include:

[0124] Calculate the basic oxygen demand rate V using the following formula. demand :

[0125] V demand =N R O2 +(V room (C target_O2 -C O2 )) / τ;

[0126] Among them, R O2 The baseline value for resting oxygen consumption per person is 0.2 L / min ≤ R. O2 ≤0.3L / min; V roomτ is the effective volume of the room; τ is the control time constant, 10min≤τ≤30min.

[0127] The basic oxygen demand rate calculation formula in this application takes into account the number of people N in the room and the baseline value of resting oxygen consumption per person R. O2 Effective indoor volume V room Target oxygen concentration C target_O2 Real-time indoor oxygen concentration C O2 By controlling the time constant τ, dynamic and quantitative assessment of oxygen demand is achieved, solving the problem of inaccurate oxygen production caused by empirical estimation.

[0128] In the above formula, the baseline value of single-person resting oxygen consumption rate R O2 The product of the indoor number of people (N) and the basal oxygen load rate generated by human metabolism accurately reflects the basal oxygen load rate; while the effective indoor volume (V) room The ratio of the difference between the oxygen concentration and the control time constant τ quantifies the oxygen replenishment rate required to raise the ambient oxygen concentration from the current state to the target state, without considering the basal oxygen consumption rate generated by human metabolism.

[0129] In addition, the introduction of the control time constant τ is crucial. It represents the expected time for the air conditioning system to restore the target oxygen concentration, allowing users to flexibly adjust the response speed according to the room size and ventilation conditions, and avoiding frequent start-stop or power oscillation of the oxygen generation module due to an excessively small control time constant τ.

[0130] The above formula makes the basic oxygen demand rate V demand It is no longer a fixed value, but a dynamic parameter that fluctuates in real time with personnel activities and environmental changes, providing reliable data support for the accurate calculation of subsequent oxygen production power and significantly improving the adaptability and control accuracy of the oxygen production module to environmental changes.

[0131] Furthermore, based on the upper limit P of the oxygen generation module... limit and basal oxygen demand V demand Determine the required output power P of the oxygen generation module. O2 ,include:

[0132] Calculate the required output power P of the oxygen generator module using the following formula. O2 :

[0133] P O2 =min(P maxO2 ,P i +K O2 (V demand +α dC O2 / dt));

[0134] Among them, P maxO2 P represents the maximum safe operating power of the oxygen generator module, measured in watts (W). It is also the highest power the oxygen generator module is allowed to continuously operate under rated conditions, determined by the module's hardware specifications, and is typically 100% to 110% of the rated power. i The minimum standby or maintenance power consumption of the oxygen generation module, in watts (W); K O2 α represents the power conversion factor of the oxygen generation module, expressed in W / (L / min); dC O2 / dt is the power used to increase the oxygen generation module in advance when the oxygen concentration is rapidly decreasing or to decrease the oxygen generation module in advance when the oxygen concentration is rapidly increasing. The unit is L / min, and 0.5≤α≤2.0.

[0135] The oxygen generation module in this application needs to output power P. O2 The calculation formula introduces the power conversion coefficient K of the oxygen generation module. O2 Minimum standby or maintenance power consumption P of the oxygen generation module i In addition, a dynamic compensation term for the rate of change of oxygen concentration is provided, which realizes the feedforward control of oxygen production power on the trend of oxygen concentration change, avoiding the problem of oxygen concentration fluctuation caused by the lag in feedback control response.

[0136] In the above formula, the minimum standby power consumption ensures the basic operating capability of the oxygen generation module under low load; the power conversion coefficient linearly maps the oxygen flow demand to the power demand, which is in line with the hardware energy efficiency characteristics.

[0137] Crucially, the product of the oxygen concentration change rate and the coefficient allows the air conditioning system to adjust its power in advance based on whether the oxygen concentration is rapidly decreasing or increasing: increasing power in advance when the oxygen concentration is rapidly decreasing to prevent a sudden drop in concentration; and reducing power in advance when the oxygen concentration is increasing to avoid overshoot.

[0138] This control strategy, which combines feedforward and feedback, significantly improves the dynamic response speed and stability of the oxygen generation module, reduces noise and impact caused by emergency acceleration, ensures that the oxygen generation module operates within a safe and efficient range, and optimizes the overall energy efficiency ratio.

[0139] Furthermore, based on the required output power P of the oxygen generation module... O2 Determine the theoretical target power P of the oxygen generation module req ,include:

[0140] The theoretical target power P of the oxygen generation module is calculated using the following formula. req :

[0141] P req =P O2_ff +P O2_pid ;

[0142] P O2_ff =P i +K O2 ×V demand ;

[0143] P O2_pid =K p ×e(t)+K i × e(t)dt+K d × ;

[0144] e(t) = C target_O2 -C 02 ;

[0145] Among them, P O2_ff This refers to feedforward oxygen demand, expressed in W; P O2_pid This refers to the PID feedback regulation power, measured in watts (W). A positive value indicates an increase in oxygen production power, while a negative value indicates a decrease. In actual control, if P... O2_pid If the value is negative, set it to 0; P i This represents the minimum standby or maintenance power consumption of the oxygen generation module; e(t) is in %Vol (volume percentage), e(t) > 0 indicates that the current oxygen concentration is lower than the target value, requiring an increase in oxygen generation power, and e(t) < 0 indicates that the current oxygen concentration is higher than the target value, requiring a decrease in oxygen generation power; K p For standard proportional gain coefficient, 50W / %Vol≤K p ≤500W / %Vol;K i For the standard integral gain coefficient, 1W / (%Vol·s)≤K i ≤50W / (%Vol·s); K d The standard differential gain coefficient is 10 W·s / %Vol≤K. d ≤200W·s / %Vol.

[0146] Among them, K p Typical value 200W / %Vol, K i The typical value is 10W / (%Vol·s), K d The typical value is 50W·s / %Vol. Here, the typical value refers to the recommended value for a wall-mounted oxygen-generating air conditioner with a cooling capacity of 3500W and an oxygen production capacity of 5L / min.

[0147] Specifically, since the lowest power of the oxygen generator module is obtained when the oxygen generator module is not turned on, which is 0, if the power of the oxygen generator module were to fall to a negative value, it would violate the laws of physics. Therefore, in the actual implementation of the air conditioning control method of this invention, if the obtained PID feedback adjustment power P O2_pidIf the value is negative, it is calculated as if it equals 0, which conforms to the physical characteristics of the oxygen generation module and avoids the logical error of reverse oxygen generation.

[0148] The theoretical target power calculation formula in this application uses the feedforward oxygen demand P O2_ff P is superimposed with PID feedback regulation power O2_pid This approach achieves a balance between stability and speed in oxygen production control, overcoming the technical limitations of a single control mode in balancing steady-state accuracy and dynamic response.

[0149] Feedforward oxygen demand P O2_ff Based directly on the deviation between the current oxygen concentration and the target value, as well as the personnel load, it provides basic power support, ensuring immediate response to known loads; PID feedback regulation of power P O2_pid The system corrects errors generated by feedforward control through three stages: proportional, integral, and derivative. The proportional term quickly responds to instantaneous deviations, the integral term eliminates steady-state errors, and the derivative term suppresses overshoot and predicts trends. In particular, the derivative term's sensitive capture of oxygen concentration change rate allows the air conditioning system to anticipate oxygen concentration trends and make adjustments in advance. This enables the oxygen generation module to smoothly and accurately track the target oxygen concentration, and even under disturbances such as people entering or leaving the room, it can quickly restore stability, improving the user's breathing comfort.

[0150] Furthermore, the oxygen generation module is controlled to execute power P. target Run, including:

[0151] Determine the current proportional gain coefficient of the PID controller of the air conditioning system. p Current integral gain coefficient i and the current differential gain coefficient d The actual power of the oxygen generating module is adjusted to the execution power P by a PID controller. target .

[0152] The method proposed in this application, which adjusts the actual power of the oxygen generation module to the executed power using a PID controller, achieves closed-loop precise control of the oxygen generation output command, thus solving the problems of open-loop control's inability to eliminate system deviations and its weak anti-interference capability.

[0153] The PID controller, as the core regulating unit, receives the execution power as the target setpoint, monitors the actual operating status of the oxygen generation module in real time, and dynamically adjusts the output signal through proportional, integral, and derivative algorithms until the actual power matches the execution power. This process ensures that the oxygen generation module can strictly follow the power plan set by the upper-level control strategy, achieving a smooth transition whether the power changes abruptly or gradually.

[0154] The introduction of a PID controller enables the air conditioning system to have self-correcting capabilities, automatically compensating for power deviations caused by sensor errors, actuator aging, or environmental fluctuations, thus ensuring the long-term stability and accuracy of oxygen generation power output. This not only extends the lifespan of the oxygen generation module but also ensures that the indoor oxygen concentration is always maintained within the set range, providing users with a continuous and reliable healthy breathing environment.

[0155] Furthermore, determine the current proportional gain coefficient of the PID controller of the air conditioning system. p Current integral gain coefficient i and the current differential gain coefficient d ,include:

[0156] According to the formula p =λ×K p Determine the current proportional gain coefficient of the PID controller p , where K p For standard proportional gain coefficient, 50W / %Vol≤K p ≤500W / %Vol;

[0157] According to the formula i =λ×K i Determine the current integral gain coefficient of the PID controller i , where K i For the standard integral gain coefficient, 1W / (%Vol·s)≤K i ≤50W / (%Vol·s);

[0158] According to the formula d =λ×K d Determine the current derivative gain coefficient of the PID controller d , where K d The standard differential gain coefficient is 10 W·s / %Vol≤K. d ≤200W·s / %Vol.

[0159] The method for determining the current gain coefficient of the PID controller in this application achieves dynamic scheduling of PID control parameters by multiplying the standard gain coefficient and the scaling factor. This solves the problem of poor adaptability of PID controllers with fixed parameters under different operating conditions, ensures the coordinated change of the functions of each part of the PID controller, and avoids the imbalance of control characteristics caused by the adjustment of a single parameter.

[0160] The standard gain coefficient represents the controller's optimal performance under ideal conditions, while the scaling factor is dynamically adjusted based on the current system operating status (such as the urgency of temperature control). This gain scheduling strategy allows the PID controller to flexibly adjust its response speed and stability margin according to different control requirements, greatly enhancing the robustness and adaptability of the PID controller and enabling the oxygen generation module to maintain optimal control performance in complex indoor environments.

[0161] Furthermore, the air conditioning system has a motion mode; when the air conditioning system activates motion mode, the current proportional gain coefficient of the PID controller of the air conditioning system is determined. p Current integral gain coefficient i and the current differential gain coefficient d In the process, the gain λ of the PID controller remains at 100%; when the air conditioning system is not in motion mode, the current proportional gain coefficient of the PID controller of the air conditioning system is determined. p Current integral gain coefficient i and the current differential gain coefficient d middle,

[0162] If the current indoor temperature control urgency level is low, then the gain λ of the PID controller is 100%.

[0163] If the current indoor temperature control urgency level is medium, then the gain λ of the PID controller is 50%≤λ≤70%;

[0164] If the current indoor temperature control urgency level is high, then the gain λ of the PID controller is 30%≤λ≤50%.

[0165] When indoor users need to exercise, they can select the exercise button on the remote control to activate the air conditioning system in exercise mode, thereby accelerating the response of oxygen concentration.

[0166] The method of determining the gain factor of the PID controller based on the urgency of temperature control in this application constructs a multi-scenario adaptive control logic, which solves the problem that a single control strategy cannot meet the needs of multiple scenarios.

[0167] When the sports mode is activated, the gain factor is kept at 100% to ensure that the oxygen generation module responds most sensitively to changes in oxygen concentration and meets the needs for rapid oxygen replenishment during high-intensity exercise.

[0168] When the exercise mode is not activated, the gain factor is dynamically adjusted according to the current indoor temperature control urgency: when the urgency is high, it is reduced to 30%-50% to prioritize temperature control stability and suppress oxygen production interference; when the urgency is medium, it is moderately reduced to 50%-70% to achieve a balance between temperature control and oxygen production; when the urgency is low, it is restored to 100% to fully utilize oxygen production efficiency.

[0169] This fine-grained gain scheduling based on scenarios and states enables the air conditioning system to intelligently identify user intentions and environmental conditions, automatically match the best control parameters, ensure user comfort, and embody a human-centered design philosophy.

[0170] Furthermore, the air conditioning control method also includes:

[0171] Obtain the real-time power P of the temperature control module of the air conditioning system T Real-time power P of the oxygen generation module Y ;

[0172] According to the real-time power P of the temperature control module T Real-time power P of the oxygen generation module Y Determine the real-time total power P0 of the air conditioning system, where P0 = P T +P Y ;

[0173] If the real-time total power P0 of the air conditioning system is greater than the preset total power limit P max Then, depending on the urgency of the current indoor temperature control, the power of the temperature control module or the oxygen generation module will be reduced to ensure that the real-time total power P0 of the air conditioning system is less than or equal to the preset total power limit P. max .

[0174] The real-time total power P0 monitoring and power reduction method of the air conditioning system in this application obtains the power of the temperature control module and the oxygen generation module in real time and calculates the real-time total power, enabling the air conditioning system to detect power abnormalities in the first instance, thus building a safety defense line for the air conditioning system and solving the risk of instantaneous power overload and overload that may occur when multiple modules operate in coordination.

[0175] When the real-time total power P0 of the air conditioning system exceeds the preset total power limit P max When the system is in operation, the power reduction mechanism is immediately triggered, forcing the air conditioning system back to a safe operating range. This proactive power management strategy effectively prevents safety hazards such as damage to the air conditioning system caused by multiple high-power modules running at full speed at the same time.

[0176] Meanwhile, the aforementioned differentiated reduction strategy based on the urgency of temperature control ensures that the normal operation of the temperature control mode or oxygen generation mode is prioritized in emergency situations, avoiding the deterioration of the user experience caused by a one-size-fits-all shutdown. This significantly improves the electrical safety and operational reliability of the air conditioning system, extends the service life of the air conditioning system, and provides users with peace of mind.

[0177] Furthermore, depending on the urgency of current indoor temperature control, the power of the temperature control module or the oxygen generation module can be reduced, including:

[0178] If the current indoor temperature control urgency level is high, reduce the power of the oxygen generation module;

[0179] If the current indoor temperature control urgency level is medium urgency, then keep the power of the oxygen generation module and the temperature control module unchanged;

[0180] If the current indoor temperature control urgency level is low, then reduce the power of the temperature control module.

[0181] Specifically, the power reduction of the oxygen generation module or temperature control module each time can be 10% to 20% of the current real-time power of the compressor.

[0182] The differentiated power reduction strategy based on the urgency of temperature control proposed in this application achieves optimal resource allocation under power-constrained conditions of the air conditioning system, and solves the control failure problem caused by the lack of priority judgment during power reduction.

[0183] When the current indoor temperature control urgency level is high, the power of the oxygen generation module is reduced first to ensure that the compressor has sufficient capacity to quickly adjust the indoor temperature and avoid drastic temperature fluctuations that may affect user comfort. When the current indoor temperature control urgency level is medium, the power of both the oxygen generation module and the temperature control module remains unchanged to balance the basic needs of temperature control and oxygen generation. When the current indoor temperature control urgency level is low, the power of the temperature control module is reduced first, allowing the oxygen generation module to operate at a higher power to prioritize meeting air quality requirements.

[0184] This hierarchical and decentralized power management logic reflects an intelligent decision-making logic that prioritizes temperature control while also considering health, or prioritizes health while fine-tuning temperature control. This ensures that under any power limitation, the air conditioning system can make the control choice that best serves the user's interests, thereby improving the intelligence level of the air conditioning system and the user experience.

[0185] Furthermore, based on the actual indoor temperature T in and the user-defined target temperature T target The first temperature difference ΔT and the rate of change of the first temperature difference ΔT within a first predetermined time t, dΔT / dt, determine the current urgency of indoor temperature control, including:

[0186] Obtain the preset temperature difference value ΔT0;

[0187] Compare the absolute value of the first temperature difference ΔT, |ΔT|, with the preset temperature difference value ΔT0;

[0188] Determine whether the first temperature difference ΔT and the rate of change of temperature dΔT / dt are positive or negative;

[0189] The urgency of indoor temperature control is determined based on the comparison and judgment results.

[0190] The method for determining the urgency of indoor temperature control in this application achieves accurate capture of the dynamic trend of indoor heat load by analyzing the sign relationship between the first temperature difference and its rate of change, thus solving the control lag problem caused by the inability to determine the direction of temperature change based solely on the absolute value of the temperature difference.

[0191] By comparing the absolute value of the first temperature difference |ΔT| with the preset temperature difference value ΔT0, the air conditioning system can distinguish between two basic states: excessive temperature difference and normal temperature difference. By judging the positive and negative values ​​of the first temperature difference ΔT and the rate of change of temperature difference dΔT / dt, the air conditioning system can further identify whether the indoor temperature is moving away from the target value (deteriorating) or approaching the target value (improving).

[0192] This multi-dimensional logical judgment enables the air conditioning system to more accurately assess the urgency of the current temperature control task, providing a scientific basis for subsequent oxygen production power limits and avoiding resource waste or control failure caused by misjudgment.

[0193] Furthermore, based on the comparison and judgment results, the current urgency of indoor temperature control is determined, including:

[0194] If |ΔT|>ΔT0 and both the first temperature difference ΔT and the rate of change of temperature difference dΔT / dt are positive or negative, then it indicates that the actual indoor temperature T in Approaching the user-set target temperature T target The difference between them is large and is worsening, and the current urgency of indoor temperature control is high.

[0195] If |ΔT|>ΔT0 and one of the first temperature difference ΔT and the rate of change of temperature difference dΔT / dt is positive and the other is negative, then it indicates that the actual indoor temperature T in and the user-defined target temperature T target The difference between the two values ​​is large but is improving; the current level of urgency for indoor temperature control is moderate.

[0196] If |ΔT|≤ΔT0, then it represents the actual indoor temperature T. in Approaching the user-defined target temperature T targetThe current indoor temperature control urgency level is low.

[0197] This application uses specific logic to determine the current indoor temperature control urgency level based on comparison and judgment results, mapping complex physical states into three clear control levels: high urgency, medium urgency, and low urgency, thus solving the problem of control logic confusion caused by the ambiguity of urgency definition.

[0198] If the absolute value of the first temperature difference is large and both the first temperature difference and its rate of change have the same sign as the temperature difference, it is considered a high stress level, meaning the actual indoor temperature deviates significantly and is worsening, requiring strict restriction of oxygen production. If the absolute value of the first temperature difference is large but the first temperature difference and its rate of change have opposite signs, it is considered a medium stress level, meaning the actual indoor temperature deviates significantly but is improving, and oxygen production restrictions can be moderately relaxed. If the absolute value of the first temperature difference is small, it is considered a low stress level, meaning the actual indoor temperature is close to the user-set target temperature T. target Oxygen production can be prioritized.

[0199] This clear grading standard of high, medium and low urgency levels covers all operating conditions from extreme urgency to complete idleness, ensuring the continuity and integrity of the control strategy. This makes the control algorithm highly executable and interpretable, and the air conditioning system can adopt corresponding power limit strategies according to different levels, realizing a smooth transition and optimal coordination between temperature control and oxygen production in the dynamic process.

[0200] Further, obtaining the preset temperature difference value ΔT0 includes:

[0201] The preset temperature difference when the air conditioning system is not in sleep mode is less than the preset temperature difference when the air conditioning system is in sleep mode; and / or,

[0202] With the air conditioning system not in sleep mode, ΔT0 = 3℃; and / or,

[0203] When the air conditioning system is in sleep mode, ΔT0 = 5℃.

[0204] The sleep mode adjustment mechanism of this application, by relaxing the threshold for judging the urgency of temperature control, realizes personalized optimization of temperature control and oxygen production control in sleep mode, and solves the problems of sensitivity to small temperature fluctuations and oxygen production noise interference during nighttime sleep.

[0205] When the air conditioning system is in sleep mode, the preset temperature difference value is relaxed from the standard 3℃ to 5℃. This means that at night, only when the room temperature deviation is large is it considered high or medium, and slight temperature fluctuations are ignored.

[0206] This adjustment reduces the need for frequent temperature control adjustments due to minor changes in indoor temperature, making the system more inclined to maintain stable low-power operation, which is conducive to users' restful sleep. This parameter optimization for specific scenarios reflects a deep understanding of users' physiological rhythms and sleep needs, and improves sleep comfort.

[0207] Furthermore, based on the actual indoor temperature T in and the user-defined target temperature T target Before determining the urgency of indoor temperature control based on the first temperature difference ΔT and the rate of change of the first temperature difference ΔT within a first predetermined time t, dΔT / dt, the air conditioning control method includes:

[0208] Obtain the real-time concentration C of indoor oxygen. O2 The actual indoor temperature T in The following parameters are considered: the number of people in the room (N), the current operating frequency (F) of the air conditioning system compressor, the real-time operating power (P) of the oxygen generator module, and the user-set target temperature (T). target ;

[0209] Based on the actual indoor temperature T in and the user-defined target temperature T target Calculate the first temperature difference ΔT, where ΔT = T in -T target ;

[0210] Based on the rate of change of temperature difference dΔT / dt within a first predetermined time t;

[0211] Based on the real-time indoor oxygen concentration C O2 The rate of change of oxygen concentration dC during the second predetermined time t1 O2 / dt.

[0212] The data acquisition and preprocessing steps in this application not only collect the real-time concentration C of indoor oxygen. O2 and the actual indoor temperature T in It also acquires key parameters such as the number of people in the room (N), the current operating frequency of the compressor (F), and the real-time operating power (P) of the oxygen generation module, providing a comprehensive and multi-dimensional data foundation for subsequent precise control and solving the problem of perception blind spots caused by the single data source in traditional control schemes.

[0213] The introduction of the number of people N indoors makes the oxygen demand calculation more realistic; the collection of compressor frequency and oxygen production power provides a real-time basis for total power monitoring and urgency determination; by calculating the first temperature difference and oxygen concentration change rate, the air conditioning system realizes quantitative analysis of the dynamic trend of environmental conditions.

[0214] The comprehensive collection and preprocessing of this data enables the control module to have a panoramic view of the indoor environment and the operation of the air conditioning system, providing solid data support for the complex logical judgment of the air conditioning control method of this application, ensuring the scientific, timely and accurate nature of control decisions, and improving the intelligence level of the overall control system.

[0215] Where 5min≤t1≤15min; when the air conditioning system is a 1.5 horsepower split wall-mounted unit, t1=10min can be taken.

[0216] Furthermore, the air conditioning system has a forced oxygen production mode, and the air conditioning control method also includes:

[0217] Based on the real-time indoor oxygen concentration C O2 Real-time oxygen concentration C in the room O2 The rate of change of oxygen concentration dC during the second predetermined time t1 O2 / dt predicts the oxygen concentration C after the third predetermined time t2. O2预 ;

[0218] If C is predicted to occur after the third predetermined time t2 O2预 ≤19.5%, even if the real-time indoor oxygen concentration C O2 Forced oxygen generation mode has not yet been triggered, and the oxygen generation module is controlled to operate at low power; where t2=5min;

[0219] If C is predicted to occur after the third predetermined time t2 O2预 If the oxygen level is ≤19.0%, a window opening suggestion will be sent to the user, and the oxygen generation module will be controlled to operate at medium power; where t2=10min.

[0220] The oxygen concentration trend prediction and early intervention method of this application realizes the advanced prediction of oxygen production control and solves the problem of sudden drop in oxygen concentration and poor experience caused by the lag in response of existing single threshold trigger control.

[0221] By predicting the oxygen concentration C after the third predetermined time t2 O2预 If C is predicted O2预 The concentration will drop below 19.5%. Even if the current concentration has not yet triggered the forced mode, the oxygen generation module will be activated in advance to generate oxygen at low power, serving as a pre-oxygen supplement to prevent further deterioration of the concentration. If C is predicted... O2预 If the oxygen level drops below 19.0%, the oxygen generator will be upgraded to medium power and a window opening suggestion will be sent to the user, taking multiple measures to address the issue.

[0222] This feedforward control strategy advances oxygen production before a potential danger occurs, resulting in a smoother oxygen concentration curve and preventing abrupt starts and stops of the oxygen production module, thus reducing noise and energy consumption. Simultaneously, the window opening suggestion provides an alternative to natural ventilation, enriching the means of improving air quality, demonstrating human-centered design, and significantly enhancing users' breathing comfort and sense of security.

[0223] Among them, the medium power of the oxygen generating module is equal to 50% of the rated power of the oxygen generating module; the low power of the oxygen generating module is less than 50% of the rated power of the oxygen generating module, and can be greater than or equal to 30% and less than 50%; the high power of the oxygen generating module is greater than 50% of the rated power of the oxygen generating module, and can be 75%-100%.

[0224] Furthermore, based on the current urgency of indoor temperature control and the real-time indoor oxygen concentration C... O2 Determine the upper limit P of the oxygen generation module. limit ,include:

[0225] The real-time concentration of oxygen in the room, C O2 Compared with the preset oxygen safety threshold C O2_0 First preset oxygen concentration C O2_1 Second preset oxygen concentration C O2_2 Compare;

[0226] The upper limit of the oxygen generating module's power is determined based on the comparison results of oxygen concentration and the current urgency of indoor temperature control.

[0227] The upper limit of the oxygen generating module's power is determined based on the comparison results of oxygen concentrations and the current urgency of indoor temperature control, including:

[0228] If C O2 >C O2_2 If so, the oxygen generation module remains off;

[0229] If the current indoor temperature control urgency level is high and C O2_1 ≤C O2 ≤C O2_2 Then the upper limit of the oxygen generation module P limit 30% of the rated power of the oxygen generating module;

[0230] If the current indoor temperature control urgency level is high and C O2_0 ≤C O2 ≤C O2_1 Then the upper limit of the oxygen generation module P limit 50% of the rated power of the oxygen generating module;

[0231] If the current indoor temperature control urgency level is medium urgency and C O2_1 ≤C O2≤C O2_2 Then the upper limit of the oxygen generation module P limit This is 55% of the rated power of the oxygen generating module;

[0232] If the current indoor temperature control urgency level is medium urgency and C O2_0 ≤C O2 ≤C O2_1 Then the upper limit of the oxygen generation module P limit This is 75% of the rated power of the oxygen generating module;

[0233] If the current indoor temperature control urgency level is low and C O2_1 ≤C O2 ≤C O2_2 Then the upper limit of the oxygen generation module P limit This is 75% of the rated power of the oxygen generating module;

[0234] If the current indoor temperature control urgency level is low and C O2_0 ≤C O2 ≤C O2_1 Then the upper limit of the oxygen generation module P limit This is 100% of the rated power of the oxygen generation module.

[0235] The method in this application for determining the upper limit of the oxygen generating module's power based on oxygen concentration comparison results and temperature control urgency, sets the real-time indoor oxygen concentration C... O2 Compared with the preset oxygen safety threshold C O2_0 First preset oxygen concentration C O2_1 Second preset oxygen concentration C O2_2 By comparing three key nodes, different oxygen concentration ranges were defined, and a multi-dimensional permission judgment matrix was constructed, which solved the problem that traditional single oxygen concentration threshold control could not take into account temperature control loads.

[0236] Based on the current indoor temperature control urgency, the air conditioning system can determine the corresponding power limit by consulting a table. For example, when the oxygen concentration is low but the temperature control urgency is high, the power limit of the oxygen generation module is limited to prevent overload; when the oxygen concentration is high and the current indoor temperature control urgency is low, the oxygen generation module is allowed to operate at a higher power to quickly increase the oxygen concentration.

[0237] This dual-factor cross-judgment mechanism makes the power allocation of the air conditioning system more flexible and reasonable. It avoids competing for power when the temperature control is busy, and makes full use of resources when the temperature control is idle, achieving the optimal balance between energy efficiency and health, and improving the precision of the control strategy.

[0238] The specific determination logic of the upper limit of the oxygen generation module power in this application achieves step-by-step precise control of oxygen generation power by refining the power limit ratio of different urgency levels and oxygen concentration ranges, thus solving the problem of relatively coarse and gradient-less power control of the oxygen generation module.

[0239] From a limit of 30% to 50% for high urgency levels, to a permissible range of 75% to 100% for low urgency levels, each range corresponds to a clear power limit. This tiered power limitation allows the oxygen generation module to smoothly adjust its output power according to the current load status of the air conditioning system.

[0240] This refined power management not only protects the operational stability of the compressor used for temperature control and the air compressor used for oxygen production, but also makes the process of increasing indoor oxygen concentration smoother and more comfortable, reduces noise and temperature fluctuations caused by power surges, and improves overall control quality.

[0241] Furthermore, the air conditioning system has a forced oxygen production mode, and the air conditioning control methods include:

[0242] If the real-time oxygen concentration C in the room O2 Less than the preset oxygen safety threshold C O2_0 Then the air conditioning system will be controlled to execute the forced oxygen production mode;

[0243] When the air conditioning system is in forced oxygen production mode, if the real-time indoor oxygen concentration C O2 Rebound to greater than or equal to the preset oxygen safety threshold C O2_0 And the real-time indoor carbon dioxide concentration C CO2 Decrease to below the preset carbon dioxide concentration value C CO2_1 Then, the air conditioning system will exit the forced oxygen production mode after a predetermined time.

[0244] The forced oxygen production mode and its exit mechanism proposed in this application establish a highest priority safety protection system under extreme hypoxia conditions, thus solving the safety hazard of insufficient response of conventional control strategies in emergency situations.

[0245] When the real-time oxygen concentration C in the room O2 Below the preset oxygen safety threshold C O2_0 In such cases, the air conditioning system immediately ignores the normal coordination logic and forcibly executes the forced oxygen production mode to ensure that the oxygen production module operates at the maximum safe power to quickly increase the indoor oxygen concentration. This safety precaution strategy effectively prevents oxygen deficiency accidents caused by overcrowding or poor ventilation.

[0246] At the same time, strict exit conditions were set, namely, the forced oxygen production mode would only be exited when the oxygen concentration rebounded and the carbon dioxide concentration dropped to a safe range and remained there for a certain period of time, thus avoiding excessive operation of the oxygen production module and energy waste.

[0247] This design, which combines mandatory intervention based on safety thresholds with logical exit, ensures the absolute safety of the system under extreme conditions while also taking into account the economy of daily operation, reflecting a human-centered safety design philosophy.

[0248] Furthermore, C O2_0 =19.0%; and / or, C CO2_1 =2500ppm.

[0249] The preset oxygen safety threshold C in this application O2_0 and the preset carbon dioxide concentration value C CO2_1 The specific settings provide a scientific and clear standard for triggering and exiting the forced oxygen generation mode, solving the problem of unstable control effect or false alarms caused by arbitrary threshold settings.

[0250] The preset oxygen safety threshold C O2_0 The setting of 19.0% meets the internationally accepted low-oxygen risk warning standard and can promptly identify the danger of hypoxia; the preset carbon dioxide concentration value C... CO2_1 The setting of 2500ppm serves as an important indicator for measuring the deterioration of indoor air quality, ensuring that the indoor environment has truly improved when the forced mode is exited.

[0251] This threshold setting, based on medical and environmental science data, improves the accuracy and reliability of the control logic, avoiding the inability to issue timely warnings due to excessively high thresholds or the frequent triggering of forced modes due to excessively low thresholds, thus providing users with stable and reliable security.

[0252] Furthermore, when the air conditioning system operates in forced oxygen production mode, the air conditioning control method includes:

[0253] The oxygen generator module is controlled to operate at its maximum safe power, and the temperature control module of the air conditioning system is controlled to forcibly reduce the operating frequency of the air conditioning system compressor.

[0254] The forced oxygen production mode of this application, by coordinating the reduction of the compressor's operating frequency and full-power oxygen production, ensures the maximization of oxygen production efficiency and the controllability of system safety under extreme operating conditions.

[0255] In forced oxygen production mode, the oxygen production module is controlled to operate at maximum safe power to quickly replenish oxygen. At the same time, the temperature control module is controlled to forcibly reduce the operating frequency of the compressor, releasing the total power budget of the air conditioning system, ensuring the priority of the oxygen production mode, and avoiding the limitation of oxygen production power caused by high-load operation of the compressor. Reducing the compressor frequency not only reduces the power consumption of the temperature control, but also reduces the mechanical stress of the compressor and extends the equipment life.

[0256] This collaborative execution mechanism ensures that in emergency situations of oxygen deficiency, the air conditioning system can quickly increase the indoor oxygen concentration while avoiding overload of the entire unit. This demonstrates the close cooperation between control logic and hardware control, and improves the efficiency of safety measures.

[0257] Furthermore, when the air conditioning system operates in forced oxygen production mode, the air conditioning control method also includes:

[0258] If the air conditioning system includes a fresh air module, then the fresh air control valve of the fresh air module of the air conditioning system is fully opened.

[0259] The collaborative control of the fresh air module in the forced oxygen generation mode of this application constructs a safety guarantee system for combined oxygen generation through multiple ventilation methods, solving the problem of limited efficiency or excessive energy consumption of single mechanical oxygen generation under high load.

[0260] In forced oxygen production mode, if the air conditioning system includes a fresh air module, the fresh air control valve must be fully opened simultaneously to quickly replace the indoor stale air with fresh outdoor air, thereby increasing the indoor oxygen concentration and reducing the indoor carbon dioxide concentration as quickly as possible.

[0261] The full operation of the fresh air module not only accelerates the improvement of air quality, but also reduces the burden and energy consumption of the oxygen generation module, avoiding the risk of overheating caused by the oxygen generation module operating at full load for a long time. This strategy of combining physical ventilation and mechanical oxygen generation provides an additional source of oxygen for the room, complementing the oxygen generation module and significantly improving oxygen generation efficiency.

[0262] This multi-pronged, collaborative safety intervention mechanism significantly enhances the emergency response capability and safety assurance level of air conditioning systems in emergency situations, providing more comprehensive and reliable technical support for users' health and safety.

[0263] Furthermore, in the process of controlling the temperature control module of the air conditioning system to forcibly reduce the operating frequency of the air conditioning system compressor, the operating frequency of the compressor is reduced to 50% to 60% of the compressor's highest frequency.

[0264] This application selects a range of compressor operating frequency reductions, achieving precise control of power release in forced oxygen production mode and solving the control imbalance problem caused by excessive or insufficient compressor power reduction.

[0265] Limiting the compressor's operating frequency to 50% to 60% of its maximum frequency significantly reduces the power consumption of the temperature control module, freeing up sufficient power for the oxygen generation module, and also avoids the complete loss of room temperature regulation capability or unstable compressor operation caused by excessively low compressor frequency.

[0266] This specific operating frequency range setting is the optimal solution derived from an in-depth analysis of the compressor's energy efficiency characteristics and the air conditioning system's heat load characteristics. It ensures that while prioritizing oxygen production, the temperature control module can still maintain basic operating capabilities, avoiding drastic fluctuations in room temperature.

[0267] This refined power allocation strategy reflects the control algorithm's deep understanding of hardware characteristics, improves the safety and stability of the air conditioning system, and ensures safe operation of the equipment under extreme conditions.

[0268] Furthermore, the air conditioning system has an elderly mode. When the elderly mode is activated, in the air conditioning control method, C... O2_0 =19.3%, C target_O2 =21.2%; and / or,

[0269] The air conditioning system has a child mode. When the child mode is activated, in the air conditioning control method, C... O2_0 =19.3%, C target_O2 =21.2%, and the upper limit of the oxygen generation module's power P limit The child is in a sleep period of less than or equal to 60% (this can be verified by time determination and environmental conditions to determine whether the child is in a sleep period in children's mode).

[0270] The elderly and children modes in this application, by raising the oxygen safety threshold and target oxygen concentration, reflect special care for the health needs of vulnerable groups and solve the problem that uniform control standards cannot take into account the respiratory health of special groups.

[0271] When there are elderly or children in the user's household, the elderly or children can be selected via the remote control using the elderly or children's button to activate the air conditioning system in elderly or children's mode. Because the cardiopulmonary function of the elderly and children is relatively weaker, they are more sensitive to hypoxia. Therefore, the preset oxygen safety threshold is increased to 19.3%, and the target oxygen concentration is increased to 21.2%, ensuring they are always in a healthier, more oxygen-rich environment.

[0272] In addition, the air conditioning system limits the power limit of the oxygen generation module during the sleep period in child mode, effectively reducing the noise of oxygen generation at night and ensuring the sleep quality of children. The system can be verified by time determination and environmental conditions to determine whether the air conditioning system is in the sleep period in child mode.

[0273] This parameter customization for specific groups allows air conditioning systems to automatically adjust control strategies based on the physiological characteristics of different users, providing more personalized and refined health services. This not only enhances the product's market competitiveness but also reflects the company's strong sense of responsibility for user health and meets increasingly diverse health needs.

[0274] Furthermore, the air conditioning system has:

[0275] In sleep mode, when the air conditioning system is in sleep mode, the upper limit P of the oxygen generation module's power is set in the air conditioning control method. limit During sleep periods, the power consumption should be less than or equal to 60% of the rated power of the oxygen generator module.

[0276] The sleep mode of this application limits the upper limit of the oxygen generation module's power, optimizes silent operation at night, and solves the technical problem of the oxygen generation module's operating noise interfering with users' sleep.

[0277] When users need to sleep, they can select the sleep button on the remote control to activate the air conditioning system's sleep mode. During sleep hours, the oxygen generator's power is limited to 60% of its rated power. This means the oxygen generator will operate at a lower power, significantly reducing noise from components such as the air compressor. Lower power operation not only reduces noise interference but also avoids temperature fluctuations caused by frequent starts and stops or high-power operation of the oxygen generator, helping to maintain a quiet and constant temperature in the bedroom.

[0278] This control strategy, designed for special nighttime scenarios, fully considers users' needs for a quiet and comfortable sleep environment, sacrificing a certain oxygen production rate in exchange for higher sleep quality.

[0279] At the same time, the 60% power limit is sufficient to maintain basic oxygen levels, ensuring both health and comfort.

[0280] This invention provides an air conditioning system applicable to the aforementioned air conditioning control method. The air conditioning system includes:

[0281] The first determining module is configured to determine the indoor temperature T. in and the user-defined target temperature T target The first temperature difference ΔT and the rate of change of the first temperature difference ΔT within a first predetermined time t, dΔT / dt, determine the current urgency of indoor temperature control.

[0282] The second determining module is configured to determine the current indoor temperature control urgency and the real-time indoor oxygen concentration C. O2 Determine the upper limit P of the oxygen generation module. limit ;

[0283] The third determining module is configured to determine the number of people in the room (N) and the real-time oxygen concentration in the room (C). O2 With the target oxygen concentration C target_O2 Determine the theoretical target power P of the oxygen generation module req ;

[0284] The fourth determining module is configured to determine the theoretical target power P of the oxygen generation module. req The upper limit of the oxygen generation module P limit Determine the operating power P of the oxygen generation module target =min(P req ,P limit ), control the oxygen generation module to execute power P target run.

[0285] Thus, the air conditioning system of the present invention, by integrating the first determining module, the second determining module, the third determining module and the fourth determining module, constructs a complete hardware-level collaborative control architecture, which solves the problems of control lag, resource conflict and low energy efficiency caused by the lack of dedicated hardware logic support in the oxygen production function integration of traditional air conditioners.

[0286] The modular design described above not only improves the execution efficiency and reliability of the air conditioning control method of the present invention, but also realizes deep collaboration between temperature control and oxygen production through dedicated hardware logic, which significantly improves the overall intelligence level, operational stability and user experience of the air conditioning system, while reducing the risk of system failure caused by complex software logic.

[0287] The present invention also provides a non-volatile storage medium, which includes a stored program, wherein the program controls the device where the non-volatile storage medium is located to execute the above-described air conditioning control method when it is running.

[0288] In this way, the non-volatile storage medium of the present invention, by storing code containing the air conditioning control method program, realizes the solidification of complex collaborative control logic at the device bottom layer, and solves the problems of response delay, network dependence and high cost caused by the existing air conditioning relying on external cloud or high-performance processor.

[0289] When the program is running, the non-volatile storage medium of the present invention can directly control the device to execute a complete set of control processes, including temperature difference analysis, oxygen concentration monitoring, power upper limit determination and power calculation. This ensures low-latency processing of control commands, enabling the air conditioning system to respond to changes in the indoor environment in real time and accurately adjust the operating status of the oxygen generation module.

[0290] Meanwhile, by storing the program of the air conditioning control method of the present invention in a non-volatile medium, the program is ensured not to be lost even in the event of a power outage, thereby enhancing the safety and stability of the air conditioning system. This makes the functional upgrade and maintenance of the air conditioning system more convenient. Users only need to update the program in the storage medium to enjoy new control strategies and optimized algorithms without replacing hardware. This not only reduces hardware manufacturing costs but also enhances the life cycle value of the air conditioning system, enabling the air conditioning control method based on the coordinated control of temperature difference and oxygen concentration to be more widely applied in various air conditioning products.

[0291] As can be seen from the above description, the embodiments of the present invention achieve the following technical effects:

[0292] The air conditioning control method of the present invention includes:

[0293] Based on the actual indoor temperature T in and the user-defined target temperature T target The first temperature difference ΔT and the rate of change of the first temperature difference ΔT within a first predetermined time t, dΔT / dt, determine the current urgency of indoor temperature control.

[0294] Based on the current urgency of indoor temperature control and the real-time indoor oxygen concentration C O2 Determine the upper limit P of the oxygen generation module. limit ;

[0295] Based on the number of people indoors (N) and the real-time oxygen concentration indoors (C) O2 With the target oxygen concentration C target_O2 Determine the theoretical target power P of the oxygen generation module req ;

[0296] Based on the theoretical target power P of the oxygen generation module req The upper limit of the oxygen generation module P limit Determine the operating power P of the oxygen generation module target =min(P req ,P limit ), control the oxygen generation module to execute power P target run.

[0297] Thus, the air conditioning control method of this application constructs a control system based on the actual indoor temperature T. in and the user-defined target temperature T target The temperature control urgency determination mechanism, combined with the real-time indoor oxygen concentration C O2 Dynamically determine the upper limit P of the oxygen generation module's power. limitThis effectively solves the problem of total power overload in existing air conditioning systems caused by the combined high power consumption of temperature control and oxygen production, avoiding the technical difficulty of traditional oxygen-generating air conditioners where the temperature control module and oxygen production module compete for power resources during operation. Specifically, it first accurately quantifies the current indoor heat load state based on the first temperature difference ΔT and the rate of change of temperature difference dΔT / dt, thereby determining the urgency of temperature control in the room and avoiding the lag and blindness of relying solely on a single temperature threshold for control; subsequently, it determines the urgency of temperature control in the room and the real-time oxygen concentration C in the room based on the current urgency of temperature control in the room. O2 Collaboratively determine the upper limit P of the oxygen generation module's power. limit This enables adaptive adjustment of the oxygen generation function in response to the urgency of temperature control. Based on this, the system monitors the number of people (N) and the real-time oxygen concentration (C) in the room. O2 With the target oxygen concentration C target_O2 Determine the theoretical target power P of the oxygen generation module req And finally, the theoretical target power P of the oxygen generation module is obtained. req Power limit P of the oxygen generation module limit The smaller value is taken as the execution power P of the oxygen generation module. target This ensures that the oxygen generation module operates only within the power limits allowed by the air conditioning system. This not only guarantees the safety of the air conditioning system but also maximizes the system's energy efficiency throughout the day while maintaining healthy indoor oxygen levels, significantly improving user comfort and equipment stability.

[0298] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0299] Unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps described in these embodiments do not limit the scope of this application. It should also be understood that, for ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following drawings denote similar items; therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.

[0300] In the description of this application, it should be understood that the orientation or positional relationship indicated by directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" is usually based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing this application and simplifying the description. Unless otherwise stated, these directional terms do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of this application; the directional terms "inner" and "outer" refer to the inner and outer contours relative to the outline of each component itself.

[0301] For ease of description, spatial relative terms such as "above," "on top of," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation beyond the orientation of the device as described in the figures. For example, if the device in the figures were inverted, a device described as "above" or "on top of" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.

[0302] Furthermore, it should be noted that the use of terms such as "first" and "second" to define components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be construed as limiting the scope of protection of this application.

[0303] The above description is merely a preferred embodiment of the present invention and is not intended to limit the invention. Various modifications and variations can be made to the present invention by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. An air conditioning control method, characterized in that, When the oxygen generation module of the air conditioning system is turned on, the air conditioning control method includes: Based on the actual indoor temperature T in and the user-defined target temperature T target The first temperature difference ΔT and the rate of change of the first temperature difference ΔT within a first predetermined time t, dΔT / dt, determine the current urgency of indoor temperature control. Based on the current urgency of indoor temperature control and the real-time indoor oxygen concentration C O2 Determine the upper power limit P of the oxygen generation module. limit ; Based on the number of people N in the room and the real-time oxygen concentration C in the room. O2 With the target oxygen concentration C target_O2 Determine the theoretical target power P of the oxygen generation module. req ; According to the theoretical target power P of the oxygen generation module req and the upper power limit P of the oxygen generation module limit Determine the execution power P of the oxygen generation module. target =min(P req ,P limit ), control the oxygen generating module to operate at the specified power P target run.

2. The air conditioning control method according to claim 1, characterized in that, The number of people N in the room and the real-time oxygen concentration C in the room are used as the basis. O2 With the target oxygen concentration C target_O2 Determine the theoretical target power P of the oxygen generation module. req ,include: Based on the number of people N in the room and the real-time oxygen concentration C in the room. O2 With the target oxygen concentration C target_O2 Determine the basic oxygen demand rate V demand ; According to the power limit P of the oxygen generating module limit and the baseline oxygen demand rate V demand Determine the required output power P of the oxygen generation module. O2 ; According to the required output power P of the oxygen generating module O2 Determine the theoretical target power P of the oxygen generation module. req .

3. The air conditioning control method according to claim 2, characterized in that, The number of people N in the room and the real-time oxygen concentration C in the room are used as the basis. O2 With the target oxygen concentration C target_O2 Determine the basic oxygen demand rate V demand ,include: The basic oxygen demand rate V is calculated using the following formula. demand : V demand =N R O2 +(V room (C target_O2 -C O2 )) / τ; Among them, R O2 The baseline value for resting oxygen consumption per person is 0.2 L / min ≤ R. O2 ≤0.3L / min; V room τ is the effective volume of the room; τ is the control time constant, 10min≤τ≤30min.

4. The air conditioning control method according to claim 2, characterized in that, The power limit P of the oxygen generating module is as follows limit and the baseline oxygen demand rate V demand Determine the required output power P of the oxygen generation module. O2 ,include: The required output power P of the oxygen generating module is calculated using the following formula. O2 : P O2 =min(P maxO2 ,P i +K O2 (V demand +α dC O2 / dt)); Among them, P maxO2 The maximum safe operating power of the oxygen generating module is expressed in watts (W); P i The minimum standby or maintenance power consumption of the oxygen generation module, in watts (W); K O2 α is the power conversion coefficient of the oxygen generation module, expressed in W / (L / min); dC O2 / dt is the power that the oxygen generating module increases in advance when the oxygen concentration is rapidly decreasing or decreases in advance when the oxygen concentration is rapidly increasing, in units of L / min, 0.5≤α≤2.

0.

5. The air conditioning control method according to claim 2, characterized in that, The power P required to be output by the oxygen generating module is... O2 Determine the theoretical target power P of the oxygen generation module. req ,include: The theoretical target power P of the oxygen generation module is calculated using the following formula. req : P req =P O2_ff +P O2_pid ; P O2_ff =P i +K O2 ×V demand ; P O2_pid =K p ×e(t)+K i × e(t)dt+K d × ; e(t)=C target_O2 -C 02 ; Among them, P O2_ff This refers to feedforward oxygen demand, expressed in W; P O2_pid The power is PID feedback regulation, in watts (W); kJ. O2 P represents the power conversion factor of the oxygen generation module, expressed in W / (L / min); i The minimum standby or maintenance power consumption of the oxygen generating module is expressed in W; e(t) is expressed in %Vol (volume percentage), e(t) > 0 indicates that the current oxygen concentration is lower than the target value, requiring an increase in oxygen generating power, and e(t) < 0 indicates that the current oxygen concentration is higher than the target value, requiring a decrease in oxygen generating power; K p For standard proportional gain coefficient, 50W / %Vol≤K p ≤500W / %Vol;K i For the standard integral gain coefficient, 1W / (%Vol·s)≤K i ≤50W / (%Vol·s); K d The standard differential gain coefficient is 10 W·s / %Vol≤K. d ≤200W·s / %Vol.

6. The air conditioning control method according to claim 1, characterized in that, The oxygen generating module is controlled to operate at the specified power P. target Run, including: Determine the current proportional gain coefficient of the PID controller of the air conditioning system. p Current integral gain coefficient i and the current differential gain coefficient d The PID controller adjusts the actual power of the oxygen generating module to the execution power P. target .

7. The air conditioning control method according to claim 1, characterized in that, The air conditioning control method further includes: Obtain the real-time power P of the temperature control module of the air conditioning system. T and the real-time power P of the oxygen generation module Y ; According to the real-time power P of the temperature control module T and the real-time power P of the oxygen generation module Y Determine the real-time total power P0 of the air conditioning system, where P0 = P T +P Y ; If the real-time total power P0 of the air conditioning system is greater than the preset total power upper limit P max Then, based on the current urgency of indoor temperature control, the power of the temperature control module or the oxygen generation module is reduced to ensure that the real-time total power P0 of the air conditioning system is less than or equal to the preset total power limit P. max ; The step of selecting to reduce the power of the temperature control module or the oxygen generation module based on the current urgency of indoor temperature control includes: If the current indoor temperature control urgency level is high, then reduce the power of the oxygen generation module; If the current indoor temperature control urgency level is medium urgency, then the power of the oxygen generation module and the temperature control module remains unchanged; If the current indoor temperature control urgency level is low, then reduce the power of the temperature control module.

8. The air conditioning control method according to claim 1, characterized in that, The actual indoor temperature T in and the user-defined target temperature T target The first temperature difference ΔT and the rate of change of the first temperature difference ΔT within a first predetermined time t, dΔT / dt, determine the current urgency of indoor temperature control, including: Obtain the preset temperature difference value ΔT0; Compare the absolute value of the first temperature difference ΔT, |ΔT|, with the preset temperature difference value ΔT0; Determine whether the first temperature difference ΔT and the rate of change of temperature dΔT / dt are positive or negative, respectively. The urgency of the current indoor temperature control is determined based on the comparison and judgment results.

9. The air conditioning control method according to claim 8, characterized in that, Determining the urgency of current indoor temperature control based on comparison and judgment results includes: If |ΔT|>ΔT0 and both the first temperature difference ΔT and the rate of change of temperature difference dΔT / dt are positive or negative, then the actual indoor temperature T is... in Approaching the user-set target temperature T target The difference between them is large and is worsening, indicating that the current indoor temperature control urgency level is high. If |ΔT|>ΔT0 and one of the first temperature difference ΔT and the rate of change of temperature difference dΔT / dt is positive and the other is negative, then it indicates that the actual indoor temperature T in and the user-set target temperature T target The difference between the values ​​is large but is improving, and the current indoor temperature control urgency level is moderately urgent. If |ΔT|≤ΔT0, then it represents the actual indoor temperature T. in Approaching the user-set target temperature T target The current indoor temperature control urgency level is low.

10. The air conditioning control method according to claim 1, characterized in that, According to the actual indoor temperature T in and the user-defined target temperature T target Before determining the urgency of indoor temperature control based on the first temperature difference ΔT and the rate of change of the first temperature difference ΔT within a first predetermined time t, the air conditioning control method includes: Obtain the real-time oxygen concentration C in the room. O2 The actual indoor temperature T in The number of people in the room, N; the current operating frequency F of the air conditioning system compressor; the real-time operating power P of the oxygen generator module; and the target temperature T set by the user. target ; Based on the actual indoor temperature T in and the user-set target temperature T target Calculate the first temperature difference ΔT, where ΔT = T in -T target ; Based on the rate of change of the first temperature difference ΔT within a first predetermined time t, dΔT / dt; According to the real-time oxygen concentration C in the room O2 The rate of change of oxygen concentration dC during the second predetermined time t1 O2 / dt.

11. The air conditioning control method according to claim 10, characterized in that, The air conditioning system has a forced oxygen production mode, and the air conditioning control method further includes: According to the real-time oxygen concentration C in the room O2 and the real-time oxygen concentration C in the room O2 The rate of change of oxygen concentration dC during the second predetermined time t1 O2 / dt predicts the oxygen concentration C after the third predetermined time t2. O2预 ; If C is predicted after the third predetermined time t2 O2预 ≤19.5%, even if the real-time oxygen concentration C in the room O2 The forced oxygen generation mode has not yet been triggered, and the oxygen generation module is also controlled to operate at low power. If C is predicted after the third predetermined time t2 O2预 If the oxygen level is ≤19.0%, a window opening suggestion will be sent to the user, and the oxygen generating module will be controlled to operate at medium power.

12. The air conditioning control method according to claim 1, characterized in that, The urgency of indoor temperature control and the real-time indoor oxygen concentration C are based on the current indoor temperature control situation. O2 Determine the upper limit P of the oxygen generation module. limit ,include: The real-time oxygen concentration C in the room O2 Compared with the preset oxygen safety threshold C O2_0 First preset oxygen concentration C O2_1 Second preset oxygen concentration C O2_2 Compare; The upper limit of the oxygen generating module's power is determined based on the comparison results of oxygen concentration and the current urgency of indoor temperature control.

13. The air conditioning control method according to claim 12, characterized in that, The air conditioning system has a forced oxygen production mode, and the air conditioning control method includes: If the real-time oxygen concentration C in the room O2 Less than the preset oxygen safety threshold C O2_0 Then, the air conditioning system is controlled to execute the forced oxygen production mode; When the air conditioning system executes the forced oxygen generation mode, if the real-time oxygen concentration C in the room... O2 The oxygen level rises to a level greater than or equal to the preset oxygen safety threshold C. O2_0 And the real-time indoor carbon dioxide concentration C CO2 Decrease to below the preset carbon dioxide concentration value C CO2_1 Then, the air conditioning system will be controlled to exit the forced oxygen generation mode after a predetermined time.

14. The air conditioning control method according to claim 13, characterized in that, When the air conditioning system executes the forced oxygen production mode, the air conditioning control method includes: The oxygen generator module is controlled to operate at maximum safe power, and the temperature control module of the air conditioning system is controlled to forcibly reduce the operating frequency of the compressor of the air conditioning system. If the air conditioning system includes a fresh air module, then the fresh air control valve of the fresh air module is fully opened.

15. An air conditioning system, characterized in that, The air conditioning control method applicable to any one of claims 1 to 14, wherein the air conditioning system comprises: The first determining module is configured to determine the indoor temperature T. in and the user-defined target temperature T target The first temperature difference ΔT and the rate of change of the first temperature difference ΔT within a first predetermined time t, dΔT / dt, determine the current urgency of indoor temperature control. The second determining module is configured to determine the current indoor temperature control urgency and the real-time indoor oxygen concentration C. O2 Determine the upper power limit P of the oxygen generation module. limit ; The third determining module is configured to determine the number of people N in the room and the real-time oxygen concentration C in the room. O2 With the target oxygen concentration C target_O2 Determine the theoretical target power P of the oxygen generation module. req ; The fourth determining module is configured to determine the theoretical target power P of the oxygen generating module. req and the upper power limit P of the oxygen generation module limit Determine the execution power P of the oxygen generation module. target =min(P req ,P limit ), control the oxygen generating module to operate at the specified power P target run.

16. A non-volatile storage medium, characterized in that, The non-volatile storage medium includes a stored program, wherein, when the program is executed, the device containing the non-volatile storage medium is controlled to perform the air conditioning control method according to any one of claims 1 to 14.

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