Automatic Control Target Algorithm for Multi-Zone Air Conditioning System in Automobile Cockpit

Abstract

The present invention discloses an automatic control target algorithm for a multi-zone air conditioning system in an automotive cockpit; it includes basic demand target calculation, sunlight demand target calculation, and calculation and output of main, deputy, and rear row demand targets / weighted demand targets; the basic demand target calculation obtains the weighted basic demand target calculation output based on the input of basic demand signals; the sunlight demand target calculation obtains the weighted sunlight demand target calculation output based on the input of sunlight signals; the calculation and output of main, deputy, and rear row demand targets / weighted demand targets are calculated and output based on the weighted basic demand target calculation output, the weighted sunlight demand target calculation output, and the input of other signals. The application of the present invention can abstract the demands and provide basic target parameters for the control of components in the vehicle's thermal management system.

Description

Technical Field

[0001] The present invention relates to the technical field of automotive cockpit multi-zone air conditioning system control, and particularly to an automatic control target algorithm for an automotive cockpit multi-zone air conditioning system. Background Art

[0002] The automatic adjustment function of automotive air conditioners includes automatic adjustment of the temperature and humidity inside the vehicle, automatic defrosting and defogging, air quality, air supply mode and blowing direction, automatic control of the air volume, and semi-automatic or manual control functions. According to the temperature setting of the driver or passenger through the air conditioner, and the parameters collected by various sensors such as the current external temperature, internal temperature, and sunlight, the required target of the passenger compartment is calculated through data filtering and target algorithms; through continuous iterative operations of the required target, the components of the thermal management system are controlled so that the members can reach the preset target in a timely and stable manner.

[0003] The existing target calculation and actual control in the market are directly coupled, and separate development and calibration are required for different vehicle models and projects, resulting in high costs and a long development cycle.

[0004] Therefore, how to perform demand abstraction calculation so that the automotive cockpit multi-zone air conditioning system can be applicable to various different vehicle models has become a technical problem that needs to be urgently solved by those skilled in the art. Summary of the Invention

[0005] In view of the above-mentioned defects of the prior art, the present invention provides an automatic control target algorithm for an automotive cockpit multi-zone air conditioning system, and the achieved purpose is to abstract the demand and provide basic target parameters for the control of the components of the vehicle's thermal management system.

[0006] To achieve the above purpose, the present invention discloses an automatic control target algorithm for an automotive cockpit multi-zone air conditioning system; it includes basic demand target calculation, sunlight demand target calculation, and calculation and output of the demand targets / weighted demand targets for the driver's seat, co-driver's seat, and rear rows.

[0007] Among them, the basic demand target calculation obtains the weighted basic demand target calculation output according to the input of the basic demand signal;

[0008] The sunlight demand target calculation obtains the weighted sunlight demand target calculation output according to the input of the sunlight signal;

[0009] The calculation and output of the demand targets / weighted demand targets for the driver's seat, co-driver's seat, and rear rows are calculated and output according to the weighted basic demand target calculation output, the weighted sunlight demand target calculation output, and other signal inputs.

[0010] Preferably, the input of the basic demand signal includes the temperature settings of the driver's seat, co-driver's seat, and rear rows, the corrected passenger compartment temperature, and the corrected ambient temperature;

[0011] The sunlight signal input includes the driver's seat illumination intensity and the passenger seat illumination intensity;

[0012] The other signal inputs include the synchronization signal and the energy-saving mode signal;

[0013] The weighted basic demand target calculation output includes the driver's seat basic demand target, the passenger seat basic demand target, and the rear row basic demand target;

[0014] The weighted sunlight demand target calculation output includes the driver's seat sunlight demand target and the passenger seat sunlight demand target;

[0015] The calculation and output of the driver's seat, passenger seat, and rear row demand targets / weighted demand targets include the driver's seat demand target, the passenger seat demand target, the rear row demand target, and the weighted demand target.

[0016] More preferably, the calculation formulas for obtaining the driver's seat basic demand target, the passenger seat basic demand target, and the rear row basic demand target from the basic demand target calculation are as follows:

[0017] TB_Dr = Kset * Tset_Dr - Kr * Tincar - Ka * Tamb + C;

[0018] TB_Psn = Kset * Tset_Psn - Kr * Tincar - Ka * Tamb + C;

[0019] TB_Rear = Kset * Tset_Rear - Kr * Tincar - Ka * Tamb + C;

[0020] Among them, TB_Dr is the driver's seat basic demand target;

[0021] TB_Psn is the passenger seat basic demand target;

[0022] TB_Rear is the rear row basic demand target;

[0023] Kset is the set temperature weight coefficient, specifically 8;

[0024] Tset_Dr, Tset_Psn, and Tset_Rear are the temperature settings for the driver's seat, passenger seat, and rear row;

[0025] Kr is the in-vehicle temperature weight coefficient; the value is taken according to the following different situations:

[0026] [[ID=4s5]]When the calibrated external temperature segment Tar is in the T7 segment, that is, when the corrected ambient temperature is greater than or equal to 35 °C, Kr = 3.75;

[0027] When the calibrated external temperature segment Tar is in the T6 segment, that is, when the corrected ambient temperature is greater than or equal to 25°C and less than 35°C, Kr = 3.85;

[0028] When the calibrated external temperature segment Tar is in the T5 segment, that is, when the corrected ambient temperature is greater than or equal to 15°C and less than 25°C, Kr = 3.95

[0029] When the calibrated external temperature segment Tar is in the T4 segment, that is, when the corrected ambient temperature is less than 15°C, Kr = 4;

[0030] Tincar is the corrected occupant compartment temperature;

[0031] Ka is the external temperature weight coefficient, specifically 1.1;

[0032] C = -45;

[0033] The calculation formula for obtaining the main driver's sunlight demand target and the co-driver's sunlight demand target from the sunlight demand target is as follows:

[0034] TS_Dr = Ks * FSi * TSC_Dr * 0.86 / 60;

[0035] TS_Psn = Ks * FSi * TSC_Psn * 0.86 / 60;

[0036] Among them, TS_Dr is the main driver's sunlight demand target

[0037] TS_Psn is the co-driver's sunlight demand target;

[0038] The value of Ks is as follows:

[0039] When the corrected ambient temperature ≤ -10°C, Ks = 0.6;

[0040] When -10°C < the corrected ambient temperature ≤ 10°C, Ks = 0.01 * Tamb + 0.7, with a precision of 0.1; where Tamb is the corrected ambient temperature;

[0041] When 10°C < the corrected ambient temperature ≤ 24°C, Ks = 0.05 * Tamb + 0.3, with a precision of 0.1;

[0042] When the corrected ambient temperature > 24°C, Ks = 1.5;

[0043] FSi is the heat demand correction parameter;

[0044] TSC_Dr is the value used for main driver sunlight calculation;

[0045] TSC_Psn is the value used for co-driver sunlight calculation.

[0046] More preferably, when the vehicle air conditioner is configured for a single zone, then, the main driver's sunlight calculated usage value TSC_Dr = the co-driver's sunlight calculated usage value TSC_Psn;

[0047] When the vehicle air conditioner is configured for a dual zone, and the synchronization signal Out_HVAC_SyncReq = 0x0, the main driver's sunlight calculated usage value TSC_Dr = H(TSd_Dr + TSd_Psn); the co-driver's sunlight calculated usage value TSC_Psn (calculated value) = (1 - H)(TSd_Dr + TSd_Psn);

[0048] When 0 < TSd_Dr / (TSd_Dr + TSd_Psn) ≤ 0.3, H = 0.3;

[0049] When 0.3 < TSd_Dr / (TSd_Dr + TSd_Psn) ≤ 0.4, H = 0.3;

[0050] When 0.4 < TSd_Dr / (TSd_Dr + TSd_Psn) ≤ 0.5, H = 0.4;

[0051] When 0.5 < TSd_Dr / (TSd_Dr + TSd_Psn) ≤ 0.6, H = 0.5;

[0052] When 0.6 < TSd_Dr / (TSd_Dr + TSd_Psn) ≤ 0.7, H = 0.6;

[0053] When 0.7 < TSd_Dr / (TSd_Dr + TSd_Psn) ≤ 1, H = 0.7;

[0054] When 1 < TSd_Dr / (TSd_Dr + TSd_Psn), H = 0.7.

[0055] More preferably, the formulas for calculating the main driver's demand target, the co-driver's demand target, and the rear row demand target by the main, co-driver, and rear row demand targets / weighted demand targets are as follows:

[0056] T_Dr = TB_Dr - TS_Dr;

[0057] T_Psn = TB_Psn - TS_Psn;

[0058] T_Rear = TB_Rear - 0.5(TS_Dr + TS_Psn);

[0059] Wherein, T_Dr is the main driver's demand target; T_Psn is the co-driver's demand target; T_Rear is the rear row demand target;

[0060] When both T_Dr and T_Psn are between -200 and 200;

[0061] T_Rear = TB_Rear - 0.5(TS_Dr + TS_Psn);

[0062] When the synchronization signal Out_HVAC_SyncReq = 0x1, i.e., synchronization is activated, then the values of T_Dr, T_Rear, and T_Psn are the same and equal to the value of the driver's demand target;

[0063] When the synchronization signal Out_HVAC_SyncReq = 0x0, i.e., synchronization is not activated, but the temperature settings for the driver, front passenger, and rear row are set to the same value, i.e., T_Dr = T_Psn = T_Rear, then the values of T_Dr, T_Rear, and T_Psn are the same and equal to the minimum value among T_Dr, T_Psn, and T_Rear;

[0064] When the energy-saving mode signal is activated, then the values of T_Dr, T_Rear, and T_Psn are the same and equal to the value of the driver's demand target.

[0065] More preferably, the process of calculating the weighted basic demand target for the driver, front passenger, and rear row demand targets / weighted demand targets is as follows:

[0066] When the synchronization signal Out_HVAC_SyncReq = 0x0, i.e., synchronization is not activated, and the vehicle air conditioner is configured for three-zone operation, the calculation formula for the weighted basic demand target TBX is as follows:

[0067] TBX = (1 - a - b) * TB_Dr + a * TB_Psn + b * TB_Rear;

[0068] where a, b, and c are the zone weight coefficients for the three zones of the vehicle air conditioner configured in the above case, a = 0.35, b = 0.3;

[0069] When the synchronization signal Out_HVAC_SyncReq = 0x0, i.e., synchronization is not activated, and the vehicle air conditioner is configured for two-zone operation with one zone closed, the calculation formula for the weighted basic demand target TBX is as follows:

[0070] TBX = (1 - c) * TB_Dr + c * TB_Psn;

[0071] where a, b, and c are the zone weight coefficients for the three zones of the vehicle air conditioner configured in the above case, c = 0.5;

[0072] When the synchronization signal Out_HVAC_SyncReq = 0x0, that is, synchronization is not activated, and the vehicle air conditioner is configured to operate in one zone with two zones closed, the calculation formula for the weighted basic demand target TBX is as follows:

[0073] TBX = TB_Dr;

[0074] When the synchronization signal Out_HVAC_SyncReq = 0x1, that is, synchronization is activated, and the vehicle air conditioner is configured to operate in three zones, the calculation formula for the weighted basic demand target TBX is as follows:

[0075] TBX = TB_Dr;

[0076] When the energy-saving mode signal is activated, TBX = TB_Dr;

[0077] When the synchronization signal Out_HVAC_SyncReq = 0x1, that is, synchronization is activated, and any one or two of the three zones configured for the vehicle air conditioner are closed, the calculation formula for the weighted basic demand target TBX is as follows:

[0078] TBX = (1 - a - b) * TB_Dr + a * TB_Psn + b * TB_Rear; In the above case, a = 0.35; b = 0.3;

[0079] When the synchronization signal Out_HVAC_SyncReq = 0x1, that is, synchronization is activated, and any one of the three zones configured for the vehicle air conditioner is closed, the calculation formula for the weighted basic demand target TBX is as follows:

[0080] TBX = (1 - c) * TB_Dr + c * TB_Psn; And c = 0.5;

[0081] More preferably, the process of calculating the weighted demand target and the weighted sunlight demand target for the main, secondary, and rear demand targets is as follows:

[0082] When the synchronization signal Out_HVAC_SyncReq = 0x0, that is, synchronization is not activated, and the vehicle air conditioner is configured to operate in three zones, the calculation formulas for the weighted sunlight demand target TX and the weighted demand target TSX are as follows:

[0083] TX = (1 - a - b) * T_Dr + a * T_Psn + b * T_Rear;

[0084] TSX = (1 - c) * TS_Dr + c * TS_Psn;;

[0085] Among them, a, b, and c are the temperature zone weight coefficients of the three zones configured for the vehicle air conditioner. In the above case, a = 0.35, b = 0.3, and c = 0.5;

[0086] T_Dr is the main driver's demand target; T_Psn is the co-driver's demand target; T_Rear is the rear row's demand target;

[0087] TS_Dr is the main driver's sunlight demand target; TS_Psn is the co-driver's sunlight demand target;

[0088] If at the same time the energy-saving mode signal is activated, then TSX = TS_Dr;

[0089] When the synchronization signal Out_HVAC_SyncReq = 0x0, that is, synchronization is not activated, and the vehicle air conditioner is configured to operate in two zones, the calculation formulas for the weighted sunlight demand target TX and the weighted demand target TSX are as follows:

[0090] TX = (1 - c) * T_Dr + c * T_Psn;

[0091] TSX = (1 - c) * TS_Dr + c * TS_Psn;

[0092] In the above case, a = 0.5, c = 0.5;

[0093] If at the same time the energy-saving mode signal is activated, then TSX = TS_Dr;

[0094] When the synchronization signal Out_HVAC_SyncReq = 0x0, that is, synchronization is not activated, and the vehicle air conditioner is configured to operate in one zone, the calculation formulas for the weighted sunlight demand target TX and the weighted demand target TSX are as follows:

[0095] TX = TX_Dr;

[0096] TSX = TS_Dr;

[0097] When the synchronization signal Out_HVAC_SyncReq = 0x1, that is, synchronization is activated, TX = T_Dr;

[0098] If at the same time the energy-saving mode signal is activated, then TSX = TS_Dr;

[0099] When the synchronization signal Out_HVAC_SyncReq = 0x1, that is, synchronization is activated, and any one or two of the three zones configured for the vehicle air conditioner are closed, the calculation formulas for the weighted sunlight demand target TX and the weighted demand target TSX are as follows:

[0100] TX = TX=(1 - a - b)*T_Dr + a*T_Psn + b*T_Rear;

[0101] TSX=(1 - c)*TS_Dr + c*TS_Psn;

[0102] In the above case, a = 0.35, b = 0.3, c = 0.5;

[0103] If the energy-saving mode signal is activated simultaneously, then TSX = TS_Dr;

[0104] When the synchronization signal Out_HVAC_SyncReq = 0x0, that is, synchronization is not activated, and the vehicle air conditioner is configured with two zones and one zone is operating, the calculation formulas for the weighted sunlight demand target TX and the weighted demand target TSX are as follows:

[0105] TX=(1 - c)*T_Dr + c*T_Psn;

[0106] TSX=(1 - c)*TS_Dr + c*TS_Psn;

[0107] In the above case, c = 0.5;

[0108] If the energy-saving mode signal is activated simultaneously, then TSX = TS_Dr;

[0109] More preferably, the driver demand target T_Dr, the passenger demand target T_Psn, the rear row demand target T_Rear, and the weighted basic demand target TBX are used for the left and right temperature zones and air volume control of the vehicle air conditioner;

[0110] The weighted sunlight demand target TX is used for cold and hot demand, automatic air conditioner mode, and automatic control of the internal and external circulation air dampers, as well as the input for the evaporator target temperature calculation and the outlet air temperature target calculation;

[0111] The weighted demand target TSX is used for air volume compensation control.

[0112] Advantages of the present invention:

[0113] The application of the present invention can abstract the demand and provide basic target parameters for the control of components in the vehicle thermal management system.

[0114] The application of the invention can provide an abstract closed-loop algorithm for the comfort control of the vehicle cockpit, which is applicable to the expansion of single-zone, dual-zone, and multi-zone.

[0115] The present invention can not only be applied to the comfort control of the new energy vehicle cockpit, but also be applicable to the comfort control of the multi-zone of the traditional vehicle air conditioner.

[0116] The present invention can be applied to different types of vehicles and different thermal management system architectures without the need for recalibration, providing a computational basis for the target control of thermal management system components.

[0117] The concept, specific structure and technical effects of the present invention will be further described below in conjunction with the accompanying drawings to fully understand the purpose, features and effects of the present invention. Description of the Drawings

[0118] Figure 1 A flowchart showing an embodiment of the present invention.

[0119] Figure 2 A curve graph showing the value of Ks in an embodiment of the present invention.

[0120] Figure 3 A curve graph showing the value of T1 in an embodiment of the present invention.

[0121] Figure 4 A curve graph showing the value of FSi in an embodiment of the present invention.

[0122] Figure 5 A schematic diagram showing the value of H in an embodiment of the present invention. Detailed Description of the Embodiment Embodiment

[0123] As Figure 1 shown, the automatic control target algorithm for the multi-zone air conditioning system in a vehicle cockpit; includes basic demand target calculation, sunlight demand target calculation, and calculation and output of the demand targets / weighted demand targets for the driver's seat, co-driver's seat, and rear seats.

[0124] Among them, the basic demand target calculation obtains the weighted basic demand target calculation output according to the input of the basic demand signal;

[0125] The sunlight demand target calculation obtains the weighted sunlight demand target calculation output according to the input of the sunlight signal;

[0126] The calculation and output of the demand targets / weighted demand targets for the driver's seat, co-driver's seat, and rear seats are calculated and output according to the weighted basic demand target calculation output, the weighted sunlight demand target calculation output, and the input of other signals.

[0127] In some embodiments, the input of the basic demand signal includes the temperature settings for the driver's seat, co-driver's seat, and rear seats, the corrected occupant compartment temperature, and the corrected ambient temperature;

[0128] The input of the sunlight signal includes the sunlight intensity for the driver's seat and the sunlight intensity for the co-driver's seat;

[0129] The input of other signals includes a synchronization signal and an energy-saving mode signal;

[0130] The weighted basic demand target calculation output includes the driver's basic demand target, the passenger's basic demand target, and the rear row's basic demand target;

[0131] The weighted sunlight demand target calculation output includes the driver's sunlight demand target and the passenger's sunlight demand target;

[0132] The driver, passenger, and rear row demand target / weighted demand target calculation outputs include the driver's demand target, the passenger's demand target, the rear row's demand target, and the weighted demand target.

[0133] In some embodiments, the calculation formulas for obtaining the driver's basic demand target, the passenger's basic demand target, and the rear row's basic demand target in the basic demand target calculation are as follows:

[0134] TB_Dr = Kset * Tset_Dr - Kr * Tincar - Ka * Tamb + C;

[0135] TB_Psn = Kset * Tset_Psn - Kr * Tincar - Ka * Tamb + C;

[0136] TB_Rear = Kset * Tset_Rear - Kr * Tincar - Ka * Tamb + C;

[0137] Among them, TB_Dr is the driver's basic demand target;

[0138] TB_Psn is the passenger's basic demand target;

[0139] TB_Rear is the rear row's basic demand target;

[0140] Kset is the set temperature weight coefficient, specifically 8;

[0141] Tset_Dr, Tset_Psn, and Tset_Rear are the temperature settings for the driver, passenger, and rear row;

[0142] Kr is the in-vehicle temperature weight coefficient; the value is taken according to the following different situations:

[0143] When the calibrated outside temperature segment Tar is in the T7 segment, that is, the corrected ambient temperature is greater than or equal to 35°C, Kr = 3.75;

[0144] When the calibrated outside temperature segment Tar is in the T6 segment, that is, the corrected ambient temperature is greater than or equal to 25°C and less than 35°C, Kr = 3.85;

[0145] When the calibrated outside temperature segment Tar is in the T5 segment, that is, the corrected ambient temperature is greater than or equal to 15°C and less than 25°C, Kr = 3.95

[0146] When calibrating the external temperature segmented Tar in the T4 segment, that is, when the corrected ambient temperature is less than 15°C, Kr = 4;

[0147] Tincar is the corrected occupant compartment temperature;

[0148] Ka is the external temperature weight coefficient, specifically 1.1;

[0149] C = -45;

[0150] In practical applications, if the set temperatures for the driver, front passenger, and rear passengers are 24, the corrected ambient temperature is 35°C, and the corrected occupant compartment temperature is 26 degrees, the calculation process is as follows:

[0151] TB_Dr = 24 * 8 - 3.75 * 26 - 1.1 * 35 - 45 = 11;

[0152] TB_Psn = 24 * 8 - 3.75 * 26 - 1.1 * 35 - 45 = 11;

[0153] TB_Rear = 24 * 8 - 3.75 * 26 - 1.1 * 35 - 45 = 11.

[0154] The calculation formulas for obtaining the driver's sunlight demand target and the front passenger's sunlight demand target from the sunlight demand target calculation are as follows:

[0155] TS_Dr = Ks * FSi * TSC_Dr * 0.86 / 60;

[0156] TS_Psn = Ks * FSi * TSC_Psn * 0.86 / 60;

[0157] Among them, TS_Dr is the driver's sunlight demand target

[0158] TS_Psn is the front passenger's sunlight demand target;

[0159] The value of Ks is as follows:

[0160] When the corrected ambient temperature ≤ -10°C, Ks = 0.6;

[0161] When -10°C < the corrected ambient temperature ≤ 10°C, Ks = 0.01 * Tamb + 0.7, with a precision of 0.1; where Tamb is the corrected ambient temperature;

[0162] When 10°C < the corrected ambient temperature ≤ 24°C, Ks = 0.05 * Tamb + 0.3, with a precision of 0.1;

[0163] When the corrected ambient temperature > 24°C, Ks = 1.5;

[0164] The value of Ks is as Figure 2As shown, the abscissa is the calibrated ambient temperature and the ordinate is the sunlight weight correction coefficient.

[0165] FSi is the heat demand correction parameter;

[0166] TSC_Dr is the value used for calculating sunlight for the driver's seat;

[0167] TSC_Psn is the value used for calculating sunlight for the passenger's seat.

[0168] In practical applications, FSi is obtained through two-level look-up. First, look up Figure 3 to obtain T1, and then look up Figure 4 to obtain FSi.

[0169] As Figure 3 shown, the abscissa is the calibrated ambient temperature; the ordinate is the intermediate parameter T1;

[0170] As Figure 4 shown, its purpose is to limit the difference between the set temperature and the internal temperature within the range of T1, corresponding to the value of the correction coefficient FSi, and to quickly reach the set temperature in the passenger compartment by correcting the sunlight parameter.

[0171] For example: outside temperature = 10, T1 reaches the maximum = 4, T1 + 3 = 7, that is, when the set temperature - internal temperature ≤ 4, FS = 1, and at this time the sunlight correction is the smallest. Once the set temperature is more than 7 degrees higher than the internal temperature, FS = 0, and at this time the light compensation is 0, and the calculated result value of the target becomes higher, so that the sunlight calculation can be corrected to quickly reach the set temperature balance.

[0172] In some embodiments, when the vehicle air conditioner is configured as a single zone, then, the value used for calculating sunlight for the driver's seat TSC_Dr = the value used for calculating sunlight for the passenger's seat TSC_Psn;

[0173] When the vehicle air conditioner is configured as a dual zone and the synchronization signal Out_HVAC_SyncReq = 0x0, the value used for calculating sunlight for the driver's seat TSC_Dr = H(TSd_Dr + TSd_Psn); the value used for calculating sunlight for the passenger's seat TSC_Psn (calculated value) = (1 - H)(TSd_Dr + TSd_Psn);

[0174] When 0 < TSd_Dr / (TSd_Dr + TSd_Psn) ≤ 0.3, H = 0.3;

[0175] When 0.3 < TSd_Dr / (TSd_Dr + TSd_Psn) ≤ 0.4, H = 0.3;

[0176] When 0.4 < TSd_Dr / (TSd_Dr + TSd_Psn) ≤ 0.5, H = 0.4;

[0177] When 0.5 < TSd_Dr / (TSd_Dr + TSd_Psn) ≤ 0.6, H = 0.5;

[0178] When 0.6 < TSd_Dr / (TSd_Dr + TSd_Psn) ≤ 0.7, H = 0.6;

[0179] When 0.7 < TSd_Dr / (TSd_Dr + TSd_Psn) ≤ 1, H = 0.7;

[0180] When 1 < TSd_Dr / (TSd_Dr + TSd_Psn), H = 0.7.

[0181] As Figure 5 shown, the abscissa is the left - right ratio range, and the ordinate is the driver / passenger sunlight correction weight coefficient;

[0182] In practical applications, for example, the sunlight intensity of the driver's seat is 200 w / ㎡, and that of the passenger's seat is 700 w / ㎡;

[0183] The calculated H = TSd_Dr / (TSd_Dr + TSd_Psn) = 2 / 9 < 0.3;

[0184] However, the minimum value in the above table is 0.3, so the calculated value for the driver's seat is 270 w / ㎡ > the actual value of 200 W;

[0185] If TS_Dr / (TS_Dr + TS_Psn) > 0.7, it is the same, and its core idea is to correct the difference between the driver's and passenger's seats.

[0186] When Out_HVAC_SyncReq = 0x1 indicates that synchronization is effective, then TS_Dr = TS_Psn.

[0187] Another example, the sunlight intensity of the driver's seat = 1000 w / ㎡, the sunlight intensity of the passenger's seat = 1000 w / ㎡; the set temperatures of the driver's seat, passenger's seat, and rear row = 24, the corrected ambient temperature = 35 degrees, and the corrected occupant compartment temperature = 26 degrees:

[0188] TS_Dr = 1.5 * 1 * 1000 * 0.86 / 60 = 21.5;

[0189] TS_Psn = 1.5 * 1 * 1000 * 0.86 / 60 = 21.5.

[0190] In some embodiments, the formulas for calculating the driver's seat demand target, passenger's seat demand target, and rear row demand target from the main, deputy, and rear row demand targets / weighted demand targets are as follows:

[0191] T_Dr = TB_Dr - TS_Dr;

[0192] T_Psn = TB_Psn - TS_Psn;

[0193] T_Rear = TB_Rear - 0.5(TS_Dr + TS_Psn);

[0194] Wherein, T_Dr is the driver's demand target; T_Psn is the co-driver's demand target; T_Rear is the rear row demand target;

[0195] When both T_Dr and T_Psn are between -200 and 200;

[0196] T_Rear = TB_Rear - 0.5(TS_Dr + TS_Psn);

[0197] In practical applications, T_Dr, T_Psn, and T_Rear are all dimensionless, representing the urgency of the heating and cooling demand, and do not represent the actual temperature demand.

[0198] When the synchronization signal Out_HVAC_SyncReq = 0x1, i.e., synchronization is activated, then the values of T_Dr, T_Rear, and T_Psn are the same and equal to the value of the driver's demand target;

[0199] When the synchronization signal Out_HVAC_SyncReq = 0x0, i.e., synchronization is not activated, but the temperature settings for the driver, co-driver, and rear row are the same value, i.e., T_Dr = T_Psn = T_Rear, then the values of T_Dr, T_Rear, and T_Psn are the same and equal to the minimum value among T_Dr, T_Psn, and T_Rear;

[0200] When the energy-saving mode signal is activated, then the values of T_Dr, T_Rear, and T_Psn are the same and equal to the value of the driver's demand target.

[0201] In practical applications, with the driver's sunlight = 1000 w / ㎡, co-driver's sunlight = 1000 w / ㎡, the set temperatures for the driver, co-driver, and rear row = 24, the corrected ambient temperature = 35 degrees, and the corrected occupant compartment temperature = 26 degrees:

[0202] T_Dr = 8 * 24 - 3.75 * 26 - 1.1 * 35 - 1.5 * 1 * 1000 * 0.86 / 60 = -10.5;

[0203] T_Psn = 8 * 24 - 3.75 * 26 - 1.1 * 35 - 1.5 * 1 * 1000 * 0.86 / 60 = -10.5;

[0204] T_Rear = 8 * 24 - 3.75 * 26 - 1.1 * 35 - 0.5 * 21.5 = -10.5.

[0205] In some embodiments, the process of calculating the weighted basic demand target for the primary, secondary, and rear row demand targets / weighted demand targets is as follows:

[0206] When the synchronization signal Out_HVAC_SyncReq = 0x0, i.e., synchronization is not activated, and the vehicle air conditioner is configured for three-zone operation, the calculation formula for the weighted basic demand target TBX is as follows:

[0207] TBX = (1 - a - b) * TB_Dr + a * TB_Psn + b * TB_Rear;

[0208] Where a, b, and c are the zone weight coefficients for the three-zone configuration of the vehicle air conditioner. In the above case, a = 0.35 and b = 0.3;

[0209] When the synchronization signal Out_HVAC_SyncReq = 0x0, i.e., synchronization is not activated, and the vehicle air conditioner is configured for two-zone operation with one zone closed, the calculation formula for the weighted basic demand target TBX is as follows:

[0210] TBX = (1 - c) * TB_Dr + c * TB_Psn;

[0211] Where a, b, and c are the zone weight coefficients for the three-zone configuration of the vehicle air conditioner. In the above case, c = 0.5;

[0212] When the synchronization signal Out_HVAC_SyncReq = 0x0, i.e., synchronization is not activated, and the vehicle air conditioner is configured for one-zone operation with two zones closed, the calculation formula for the weighted basic demand target TBX is as follows:

[0213] TBX = TB_Dr;

[0214] When the synchronization signal Out_HVAC_SyncReq = 0x1, i.e., synchronization is activated, and the vehicle air conditioner is configured for three-zone operation, the calculation formula for the weighted basic demand target TBX is as follows:

[0215] TBX = TB_Dr;

[0216] When the energy-saving mode signal is activated, TBX = TB_Dr;

[0217] When the synchronization signal Out_HVAC_SyncReq = 0x1, i.e., synchronization is activated, and any one or two of the three zones configured for the vehicle air conditioner are closed, the calculation formula for the weighted basic demand target TBX is as follows:

[0218] TBX = (1 - a - b) * TB_Dr + a * TB_Psn + b * TB_Rear; In the above case, a = 0.35; b = 0.3;

[0219] When the synchronization signal Out_HVAC_SyncReq = 0x1, that is, synchronization is activated, and any one of the three zones configured for the vehicle air conditioner is closed, the calculation formula for the weighted basic demand target TBX is as follows:

[0220] TBX = (1 - c) * TB_Dr + c * TB_Psn; and c = 0.5;

[0221] In practical applications, for example, calculated with the driver's side sunlight = 1000 w / ㎡, the passenger's side sunlight = 1000 w / ㎡, the set temperatures for the driver's side, the passenger's side and the rear row = 24, the corrected ambient temperature = 35 degrees, the corrected occupant compartment temperature = 26 degrees, the synchronization signal is 0, and the energy-saving signal is 0:

[0222] Three zones: TBX = 0.35 * 11 + 0.35 * 11 + 0.3 * 11 = 11

[0223] Two zones: TBX = 0.5 * 11 + 0.5 * 11 = 11

[0224] Single zone: TBX = 11.

[0225] In some embodiments, the process of calculating the weighted demand target and the weighted sunlight demand target for the driver's side, the passenger's side and the rear row demand targets / weighted demand targets is as follows:

[0226] When the synchronization signal Out_HVAC_SyncReq = 0x0, that is, synchronization is not activated, and the vehicle air conditioner is configured to operate in three zones, the calculation formulas for the weighted sunlight demand target TX and the weighted demand target TSX are as follows:

[0227] TX = (1 - a - b) * T_Dr + a * T_Psn + b * T_Rear;

[0228] TSX = (1 - c) * TS_Dr + c * TS_Psn;;

[0229] Wherein, a, b, and c are the zone weight coefficients of the three zones configured for the vehicle air conditioner. In the above case, a = 0.35, b = 0.3, and c = 0.5;

[0230] T_Dr is the driver's side demand target; T_Psn is the passenger's side demand target; T_Rear is the rear row demand target;

[0231] TS_Dr is the driver's side sunlight demand target; TS_Psn is the passenger's side sunlight demand target;

[0232] If the energy-saving mode signal is activated at the same time, then TSX = TS_Dr;

[0233] When the synchronization signal Out_HVAC_SyncReq = 0x0, i.e., synchronization is not activated, and the vehicle air conditioner is configured for two-zone operation, the calculation formulas for the weighted sunlight demand target TX and the weighted demand target TSX are as follows:

[0234] TX=(1 - c)* T_Dr + c* T_Psn;

[0235] TSX=(1 - c)* TS_Dr + c* TS_Psn;

[0236] In the above case, a = 0.5 and c = 0.5;

[0237] If the energy-saving mode signal is activated at the same time, then TSX = TS_Dr;

[0238] When the synchronization signal Out_HVAC_SyncReq = 0x0, i.e., synchronization is not activated, and the vehicle air conditioner is configured for one-zone operation, the calculation formulas for the weighted sunlight demand target TX and the weighted demand target TSX are as follows:<{

[0239] TX = TX_Dr;

[0240] TSX = TS_Dr;

[0241] When the synchronization signal Out_HVAC_SyncReq = 0x1, i.e., synchronization is activated, TX = T_Dr;

[0242] If the energy-saving mode signal is activated at the same time, then TSX = TS_Dr;

[0243] When the synchronization signal Out_HVAC_SyncReq = 0x1, i.e., synchronization is activated, and any one or two adjacent zones out of the three zones configured for the vehicle air conditioner are closed, the calculation formulas for the weighted sunlight demand target TX and the weighted demand target TSX are as follows:

[0244] TX = TX=(1 - a - b)* T_Dr + a* T_Psn + b*T_Rear;

[0245] TSX=(1 - c)* TS_Dr + c* TS_Psn;

[0246] In the above case, a = 0.35, b = 0.3, and c = 0.5;

[0247] If the energy-saving mode signal is activated at the same time, then TSX = TS_Dr;

[0248] When the synchronization signal Out_HVAC_SyncReq = 0x0, i.e., synchronization is not activated, and the vehicle air conditioner is configured for two zones with one zone operating, the calculation formulas for the weighted sunlight demand target TX and the weighted demand target TSX are as follows:

[0249] TX = (1 - c) * T_Dr + c * T_Psn;

[0250] TSX = (1 - c) * TS_Dr + c * TS_Psn;

[0251] In the above case, c = 0.5;

[0252] If the energy-saving mode signal is activated simultaneously, then TSX = TS_Dr;

[0253] In practical applications, when calculated with the driver's side sunlight = 1000 w / ㎡, the passenger's side sunlight = 1000 w / ㎡, the set temperatures for the driver's side, passenger's side, and rear row = 24, the corrected ambient temperature = 35 degrees, and the corrected occupant compartment temperature = 26 degrees, with the synchronization signal = 0 and the energy-saving signal = 0:

[0254] Three-zone: TX = 0.35 * -10.5 + 0.35 * 10.5 + 0.3 * 10.5 = -10.5;

[0255] TSX = 0.5 * 21.5 + 0.5 * 21.5 = 21.5;

[0256] Two-zone: TX = 0.5 * -10.5 + 0.5 * 10.5 = -10.5;

[0257] TSX = 0.5 * 21.5 + 0.5 * 21.5 = 21.5;

[0258] Single-zone: TX = -10.5;

[0259] TSX = 21.5.

[0260] In some embodiments, the driver's demand target T_Dr, the passenger's demand target T_Psn, the rear row demand target T_Rear, and the weighted basic demand target TBX are used for the left and right temperature zones and air volume control of the vehicle air conditioner;

[0261] The weighted sunlight demand target TX is used for cold and hot demands, automatic air conditioner mode, and automatic control of the internal and external circulation air dampers, as well as the input for the evaporator target temperature calculation and the outlet air temperature target calculation;

[0262] The weighted demand target TSX is used for air volume compensation control.

[0263] The preferred specific embodiments of the present invention have been described in detail above. It should be understood that those of ordinary skill in the art can make many modifications and variations based on the concept of the present invention without creative work. Therefore, all technical solutions that can be obtained by those skilled in the art in the technical field according to the concept of the present invention through logical analysis, reasoning or limited experiments on the basis of the prior art should fall within the protection scope determined by the claims.

Claims

1. Automatic control target algorithm for multi-zone air conditioning system in vehicle cockpit; characterized in that, It includes basic demand target calculation, sunlight demand target calculation, and calculation and output of main, deputy, and rear row demand targets / weighted demand targets; The basic demand target calculation obtains the weighted basic demand target calculation output based on the input of basic demand signals; the input of basic demand signals includes the temperature settings of the driver's seat, co-driver's seat, and rear row, the corrected occupant compartment temperature, and the corrected ambient temperature; The sunlight demand target calculation obtains the weighted sunlight demand target calculation output based on the input of sunlight signals; the input of sunlight signals includes the light intensity of the driver's seat and the light intensity of the co-driver's seat; The calculation and output of the main, deputy, and rear row demand targets / weighted demand targets are calculated and output based on the weighted basic demand target calculation output, the weighted sunlight demand target calculation output, and other signal inputs; The calculation and output of the main, deputy, and rear row demand targets / weighted demand targets include the driver's seat demand target, co-driver's seat demand target, rear row demand target, and weighted demand target; The weighted basic demand target calculation output includes the driver's seat basic demand target, co-driver's seat basic demand target, and rear row basic demand target; The weighted sunlight demand target calculation output includes the driver's seat sunlight demand target and co-driver's seat sunlight demand target; The other signal inputs include a synchronization signal and an energy-saving mode signal; The formulas for the basic demand target calculation to obtain the driver's seat basic demand target, co-driver's seat basic demand target, and rear row basic demand target are as follows: TB_Dr = Kset * Tset_Dr - Kr * Tincar - Ka * Tamb + C; TB_Psn = Kset * Tset_Psn - Kr * Tincar - Ka * Tamb + C; TB_Rear = Kset * Tset_Rear - Kr * Tincar - Ka * Tamb + C; Where, TB_Dr is the driver's seat basic demand target; TB_Psn is the co-driver's seat basic demand target; TB_Rear is the rear row basic demand target; Kset is the set temperature weight coefficient; Tset_Dr, Tset_Psn, and Tset_Rear are the temperature settings of the driver's seat, co-driver's seat, and rear row; Kr is the in-vehicle temperature weight coefficient; the value is taken according to the following different situations: When the calibrated outside temperature segment Tar is in the T7 segment, that is, the corrected ambient temperature is greater than or equal to 35°C, Kr = 3.75; When the calibrated outside temperature segment Tar is in the T6 segment, that is, the corrected ambient temperature is greater than or equal to 25°C and less than 35°C, Kr = 3.85; When the calibrated outside temperature segment Tar is in the T5 segment, that is, the corrected ambient temperature is greater than or equal to 15°C and less than 25°C, Kr = 3.95 ​ ​ ​ ​ TS_Dr = Ks * FSi * TSC_Dr * 0.86 / 60; TS_Psn = Ks * FSi * TSC_Psn * 0.86 / 60; Wherein, TS_Dr is the main driver's sunlight demand target TS_Psn is the co-driver's sunlight demand target; The value of Ks is as follows: When the corrected ambient temperature ≤ -10°C, Ks = 0.6; When -10°C < the corrected ambient temperature ≤ 10°C, Ks = 0.01 * Tamb + 0.7, with an accuracy of 0.1; where Tamb is the corrected ambient temperature; When 10°C < the corrected ambient temperature ≤ 24°C, Ks = 0.05 * Tamb + 0.3, with an accuracy of 0.1; When the corrected ambient temperature > 24°C, Ks = 1.5; FSi is the heat demand correction parameter; TSC_Dr is the value used for main driver sunlight calculation; TSC_Psn is the value used for co-driver sunlight calculation.

2. The automatic control target algorithm for the multi-zone air conditioning system of an automotive cockpit according to claim 1, wherein Kset is specifically 8.

3. The automatic control target algorithm for the multi-zone air conditioning system of an automotive cockpit according to claim 1, wherein Ka is specifically 1.

1.

4. The automatic control target algorithm for the multi-zone air conditioning system of an automotive cockpit according to claim 1, wherein C =-45。 5. The automatic control target algorithm for the multi-zone air conditioning system of an automotive cockpit according to any one of claims 1 to 4, characterized in that, When the vehicle air conditioner configuration is single-zone, then, the value used for main driver sunlight calculation TSC_Dr = the value used for co-driver sunlight calculation TSC_Psn; When the vehicle air conditioner configuration is dual-zone, and the synchronization signal Out_HVAC_SyncReq = 0x0, the value used for main driver sunlight calculation TSC_Dr = H(TSd_Dr + TSd_Psn); the value used for co-driver sunlight calculation TSC_Psn (calculated value) = (1 - H)(TSd_Dr + TSd_Psn); When 0 < TSd_Dr / (TSd_Dr + TSd_Psn) ≤ 0.3, H = 0.3; When 0.3 < TSd_Dr / (TSd_Dr + TSd_Psn) ≤ 0.4, H = 0.3; When 0.4 < TSd_Dr / (TSd_Dr + TSd_Psn) ≤ 0.5, H = 0.4; When 0.5 < TSd_Dr / (TSd_Dr + TSd_Psn) ≤ 0.6, H = 0.5; When 0.6 < TSd_Dr / (TSd_Dr + TSd_Psn) ≤ 0.7, H = 0.6; When 0.7 < TSd_Dr / (TSd_Dr + TSd_Psn) ≤ 1, H = 0.7; When 1 < TSd_Dr / (TSd_Dr + TSd_Psn), H = 0.

7.

6. The automatic control target algorithm for the multi-zone air conditioning system of an automotive cockpit according to any one of claims 1 to 4, characterized in that, The formulas for calculating the main driver demand target, the co-driver demand target, and the rear row demand target using the main, co-driver, and rear row demand targets / weighted demand targets are as follows: T_Dr = TB_Dr - TS_Dr; T_Psn = TB_Psn - TS_Psn; T_Rear = TB_Rear - 0.5(TS_Dr + TS_Psn); Wherein, T_Dr is the main driver demand target; T_Psn is the co-driver demand target; T_Rear is the rear row demand target; When both T_Dr and T_Psn are between -200 and 200; T_Rear = TB_Rear - 0.5(TS_Dr + TS_Psn); When the synchronization signal Out_HVAC_SyncReq = 0x1, i.e., synchronization is activated, the values of T_Dr, T_Rear, and T_Psn are the same and equal to the value of the driver's demand target; When the synchronization signal Out_HVAC_SyncReq = 0x0, i.e., synchronization is not activated, but the temperature settings for the driver, front passenger, and rear are set to the same value, i.e., T_Dr = T_Psn = T_Rear, then the values of T_Dr, T_Rear, and T_Psn are the same and equal to the minimum value among T_Dr, T_Psn, and T_Rear; When the energy-saving mode signal is activated, the values of T_Dr, T_Rear, and T_Psn are the same and equal to the value of the driver's demand target.

7. The automatic control target algorithm for the multi-zone air conditioning system in an automotive cockpit according to any one of claims 1 to 4, characterized in that, The process of calculating the weighted basic demand target for the driver, front passenger, and rear demand targets / weighted demand targets is as follows: When the synchronization signal Out_HVAC_SyncReq = 0x0, i.e., synchronization is not activated, and the vehicle air conditioner is configured for three-zone operation, the calculation formula for the weighted basic demand target TBX is as follows: TBX = (1 - a - b) * TB_Dr + a * TB_Psn + b * TB_Rear; Where a, b, and c are the zone weight coefficients for the three zones of the vehicle air conditioner configured in the above case, a = 0.35, b = 0.3; When the synchronization signal Out_HVAC_SyncReq = 0x0, i.e., synchronization is not activated, and the vehicle air conditioner is configured for two-zone operation with one zone closed, the calculation formula for the weighted basic demand target TBX is as follows: TBX = (1 - c) * TB_Dr + c * TB_Psn; Where a, b, and c are the zone weight coefficients for the three zones of the vehicle air conditioner configured in the above case, c = 0.5; When the synchronization signal Out_HVAC_SyncReq = 0x0, i.e., synchronization is not activated, and the vehicle air conditioner is configured for one-zone operation with two zones closed, the calculation formula for the weighted basic demand target TBX is as follows: TBX = TB_Dr; When the synchronization signal Out_HVAC_SyncReq = 0x1, i.e., synchronization is activated, and the vehicle air conditioner is configured for three-zone operation, the calculation formula for the weighted basic demand target TBX is as follows: TBX = TB_Dr; When the energy-saving mode signal is activated, TBX = TB_Dr; When the synchronization signal Out_HVAC_SyncReq = 0x1, i.e., synchronization is activated, and any one or two of the three zones configured by the vehicle air conditioner are closed, the calculation formula for the weighted basic demand target TBX is as follows: TBX = (1 - a - b) * TB_Dr + a * TB_Psn + b * TB_Rear; in the above case, a = 0.35; b = 0.3; When the synchronization signal Out_HVAC_SyncReq = 0x1, i.e., synchronization is activated, and any one of the three zones configured for the vehicle air conditioner is closed, the calculation formula for the weighted basic demand target TBX is as follows: TBX = (1 - c) * TB_Dr + c * TB_Psn; and c = 0.

5.

8. The automatic control target algorithm for the multi-zone air conditioning system of an automotive cockpit according to any one of claims 1-4, characterized in that, The process of calculating the weighted demand target and the weighted sunlight demand target by the main, co-driver, and rear row demand targets / weighted demand targets is as follows: When the synchronization signal Out_HVAC_SyncReq = 0x0, i.e., synchronization is not activated, and the vehicle air conditioner is configured to operate in three zones, the calculation formulas for the weighted sunlight demand target TX and the weighted demand target TSX are as follows: TX = (1 - a - b) * T_Dr + a * T_Psn + b * T_Rear; TSX = (1 - c) * TS_Dr + c * TS_Psn; Where a, b, and c are the temperature zone weight coefficients of the three zones configured for the vehicle air conditioner. In the above case, a = 0.35, b = 0.3, and c = 0.5; T_Dr is the main driver demand target; T_Psn is the co-driver demand target; T_Rear is the rear row demand target; TS_Dr is the main driver sunlight demand target; TS_Psn is the co-driver sunlight demand target; If at the same time the energy-saving mode signal is activated, then TSX = TS_Dr; When the synchronization signal Out_HVAC_SyncReq = 0x0, i.e., synchronization is not activated, and the vehicle air conditioner is configured to operate in two zones, the calculation formulas for the weighted sunlight demand target TX and the weighted demand target TSX are as follows: TX = (1 - c) * T_Dr + c * T_Psn; TSX = (1 - c) * TS_Dr + c * TS_Psn; In the above case, a = 0.5 and c = 0.5; If at the same time the energy-saving mode signal is activated, then TSX = TS_Dr; When the synchronization signal Out_HVAC_SyncReq = 0x0, i.e., synchronization is not activated, and the vehicle air conditioner is configured to operate in one zone, the calculation formulas for the weighted sunlight demand target TX and the weighted demand target TSX are as follows: TX = TX_Dr; TSX = TS_Dr; When the synchronization signal Out_HVAC_SyncReq = 0x1, i.e., synchronization is activated, TX = T_Dr; If at the same time the energy-saving mode signal is activated, then TSX = TS_Dr; When the synchronization signal Out_HVAC_SyncReq = 0x1, i.e., synchronization is activated, and any one or two of the three zones configured for the vehicle air conditioner are closed, the calculation formulas for the weighted sunlight demand target TX and the weighted demand target TSX are as follows: TX = TX = (1 - a - b) * T_Dr + a * T_Psn + b * T_Rear; TSX = (1 - c) * TS_Dr + c * TS_Psn; In the above case, a = 0.35, b = 0.3, and c = 0.5; If the energy-saving mode signal is activated simultaneously, then TSX = TS_Dr; When the synchronization signal Out_HVAC_SyncReq = 0x0, i.e., synchronization is not activated, and the vehicle air conditioner is configured with two zones and one zone is operating, the calculation formulas for the weighted sunlight demand target TX and the weighted demand target TSX are as follows: TX = (1 - c) * T_Dr + c * T_Psn; TSX = (1 - c) * TS_Dr + c * TS_Psn; In the above case, c = 0.5; If the energy-saving mode signal is activated simultaneously, then TSX = TS_Dr.

9. The automatic control target algorithm for the multi-zone air conditioning system of an automotive cockpit according to claim 8, wherein The driver demand target T_Dr, the passenger demand target T_Psn, the rear demand target T_Rear, and the weighted basic demand target TBX are used for the left and right temperature zones and air volume control of the vehicle air conditioner; The weighted sunlight demand target TX is used for cold and hot demand, automatic air conditioner mode, and automatic control of the internal and external circulation dampers, as well as the input for the evaporator target temperature calculation and the outlet air temperature target calculation; The weighted demand target TSX is used for air volume compensation control.

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